From ffb93f10e4c2b769780b463168ce9cdf7509c6ec Mon Sep 17 00:00:00 2001
From: Christophe Geuzaine <cgeuzaine@ulg.ac.be>
Date: Fri, 9 Feb 2001 07:47:52 +0000
Subject: [PATCH] *** empty log message ***
---
jpeg/Makefile | 349 +++----
jpeg/README | 349 -------
jpeg/TAGS | 762 ---------------
jpeg/ansi2knr.1 | 19 -
jpeg/ansi2knr.c | 488 ----------
jpeg/cderror.h | 135 ---
jpeg/cdjpeg.h | 124 ---
jpeg/change.log | 39 -
jpeg/cjpeg.1 | 280 ------
jpeg/cjpeg.c | 877 -----------------
jpeg/ckconfig.c | 402 --------
jpeg/coderules.doc | 118 ---
jpeg/coderules.doc.gz | Bin 2626 -> 0 bytes
jpeg/config.status | 155 ---
jpeg/configure | 1168 ----------------------
jpeg/depend | 58 --
jpeg/djpeg.1 | 245 -----
jpeg/djpeg.c | 736 --------------
jpeg/example.c | 417 --------
jpeg/filelist.doc | 185 ----
jpeg/filelist.doc.gz | Bin 2331 -> 0 bytes
jpeg/install.doc | 745 --------------
jpeg/install.doc.gz | Bin 1325 -> 0 bytes
jpeg/jconfig.auto | 44 -
jpeg/jconfig.bcc | 44 -
jpeg/jconfig.dj | 38 -
jpeg/jconfig.doc | 155 ---
jpeg/jconfig.doc.gz | Bin 2381 -> 0 bytes
jpeg/jconfig.manx | 43 -
jpeg/jconfig.mc6 | 52 -
jpeg/jconfig.sas | 43 -
jpeg/jconfig.st | 39 -
jpeg/jconfig.vms | 37 -
jpeg/jmemansi.c | 167 ----
jpeg/jmemdos.c | 634 ------------
jpeg/jmemdosa.asm | 379 --------
jpeg/jmemname.c | 248 -----
jpeg/jmorecfg.h | 6 +-
jpeg/libjpeg.doc | 2144 -----------------------------------------
jpeg/libjpeg.doc.gz | Bin 3775 -> 0 bytes
jpeg/makcjpeg.st | 35 -
jpeg/makdjpeg.st | 36 -
jpeg/makefile.ansi | 178 ----
jpeg/makefile.auto | 238 -----
jpeg/makefile.bcc | 207 ----
jpeg/makefile.dj | 200 ----
jpeg/makefile.manx | 178 ----
jpeg/makefile.mc6 | 196 ----
jpeg/makefile.mms | 181 ----
jpeg/makefile.sas | 207 ----
jpeg/makefile.test | 185 ----
jpeg/makefile.unix | 192 ----
jpeg/makefile.vms | 104 --
jpeg/makljpeg.st | 61 --
jpeg/makvms.opt | 4 -
jpeg/rdbmp.c | 421 --------
jpeg/rdcolmap.c | 253 -----
jpeg/rdgif.c | 671 -------------
jpeg/rdjpgcom.1 | 44 -
jpeg/rdjpgcom.c | 475 ---------
jpeg/rdppm.c | 384 --------
jpeg/rdraw.c | 383 --------
jpeg/rdrle.c | 384 --------
jpeg/rdtarga.c | 499 ----------
jpeg/structure.doc | 862 -----------------
jpeg/structure.doc.gz | Bin 16346 -> 0 bytes
jpeg/testimg.gif | Bin 21701 -> 0 bytes
jpeg/testimg.jpg | Bin 5767 -> 0 bytes
jpeg/testimg.ppm | 4 -
jpeg/testorig.jpg | Bin 5782 -> 0 bytes
jpeg/usage.doc | 449 ---------
jpeg/usage.doc.gz | Bin 5882 -> 0 bytes
jpeg/wrbmp.c | 440 ---------
jpeg/wrgif.c | 500 ----------
jpeg/wrjpgcom.1 | 102 --
jpeg/wrjpgcom.c | 574 -----------
jpeg/wrppm.c | 248 -----
jpeg/wrraw.c | 189 ----
jpeg/wrrle.c | 302 ------
jpeg/wrtarga.c | 253 -----
80 files changed, 121 insertions(+), 21242 deletions(-)
delete mode 100644 jpeg/README
delete mode 100644 jpeg/TAGS
delete mode 100644 jpeg/ansi2knr.1
delete mode 100644 jpeg/ansi2knr.c
delete mode 100644 jpeg/cderror.h
delete mode 100644 jpeg/cdjpeg.h
delete mode 100644 jpeg/change.log
delete mode 100644 jpeg/cjpeg.1
delete mode 100644 jpeg/cjpeg.c
delete mode 100644 jpeg/ckconfig.c
delete mode 100644 jpeg/coderules.doc
delete mode 100644 jpeg/coderules.doc.gz
delete mode 100644 jpeg/config.status
delete mode 100644 jpeg/configure
delete mode 100644 jpeg/depend
delete mode 100644 jpeg/djpeg.1
delete mode 100644 jpeg/djpeg.c
delete mode 100644 jpeg/example.c
delete mode 100644 jpeg/filelist.doc
delete mode 100644 jpeg/filelist.doc.gz
delete mode 100644 jpeg/install.doc
delete mode 100644 jpeg/install.doc.gz
delete mode 100644 jpeg/jconfig.auto
delete mode 100644 jpeg/jconfig.bcc
delete mode 100644 jpeg/jconfig.dj
delete mode 100644 jpeg/jconfig.doc
delete mode 100644 jpeg/jconfig.doc.gz
delete mode 100644 jpeg/jconfig.manx
delete mode 100644 jpeg/jconfig.mc6
delete mode 100644 jpeg/jconfig.sas
delete mode 100644 jpeg/jconfig.st
delete mode 100644 jpeg/jconfig.vms
delete mode 100644 jpeg/jmemansi.c
delete mode 100644 jpeg/jmemdos.c
delete mode 100644 jpeg/jmemdosa.asm
delete mode 100644 jpeg/jmemname.c
delete mode 100644 jpeg/libjpeg.doc
delete mode 100644 jpeg/libjpeg.doc.gz
delete mode 100644 jpeg/makcjpeg.st
delete mode 100644 jpeg/makdjpeg.st
delete mode 100644 jpeg/makefile.ansi
delete mode 100644 jpeg/makefile.auto
delete mode 100644 jpeg/makefile.bcc
delete mode 100644 jpeg/makefile.dj
delete mode 100644 jpeg/makefile.manx
delete mode 100644 jpeg/makefile.mc6
delete mode 100644 jpeg/makefile.mms
delete mode 100644 jpeg/makefile.sas
delete mode 100644 jpeg/makefile.test
delete mode 100644 jpeg/makefile.unix
delete mode 100644 jpeg/makefile.vms
delete mode 100644 jpeg/makljpeg.st
delete mode 100644 jpeg/makvms.opt
delete mode 100644 jpeg/rdbmp.c
delete mode 100644 jpeg/rdcolmap.c
delete mode 100644 jpeg/rdgif.c
delete mode 100644 jpeg/rdjpgcom.1
delete mode 100644 jpeg/rdjpgcom.c
delete mode 100644 jpeg/rdppm.c
delete mode 100644 jpeg/rdraw.c
delete mode 100644 jpeg/rdrle.c
delete mode 100644 jpeg/rdtarga.c
delete mode 100644 jpeg/structure.doc
delete mode 100644 jpeg/structure.doc.gz
delete mode 100644 jpeg/testimg.gif
delete mode 100644 jpeg/testimg.jpg
delete mode 100644 jpeg/testimg.ppm
delete mode 100644 jpeg/testorig.jpg
delete mode 100644 jpeg/usage.doc
delete mode 100644 jpeg/usage.doc.gz
delete mode 100644 jpeg/wrbmp.c
delete mode 100644 jpeg/wrgif.c
delete mode 100644 jpeg/wrjpgcom.1
delete mode 100644 jpeg/wrjpgcom.c
delete mode 100644 jpeg/wrppm.c
delete mode 100644 jpeg/wrraw.c
delete mode 100644 jpeg/wrrle.c
delete mode 100644 jpeg/wrtarga.c
diff --git a/jpeg/Makefile b/jpeg/Makefile
index 6b3e61429f..7109131b3a 100644
--- a/jpeg/Makefile
+++ b/jpeg/Makefile
@@ -1,246 +1,131 @@
+# $Id: Makefile,v 1.5 2001-02-09 07:42:03 geuzaine Exp $
#
-# WARNING: This file was modified for inclusion in Gmsh
+# Makefile for "libJpeg.a"
#
-# Generated automatically from Makefile.auto by configure.
-# Makefile for Independent JPEG Group's software
+.IGNORE:
-# makefile.auto is edited by configure to produce a custom Makefile.
+CC = c++
+RM = rm
+RANLIB = ranlib
-# Read installation instructions before saying "make" !!
+LIB = ../lib/libJpeg.a
+INCLUDE = -I.
-# For compiling with source and object files in different directories.
-srcdir = .
-VPATH = .
+C_FLAGS = -g -Wall
+OS_FLAGS =
+VERSION_FLAGS =
-# Where to install the programs and man pages.
-prefix = /usr/cluster
-exec_prefix = $(prefix)
-bindir = $(exec_prefix)/bin
-libdir = $(exec_prefix)/lib
-includedir = $(prefix)/include
-mandir = $(prefix)/man/man1
-binprefix =
-manprefix =
-manext = 1
+RMFLAGS = -f
+CFLAGS = $(C_FLAGS) $(OS_FLAGS) $(VERSION_FLAGS) $(INCLUDE)
-# The name of your C compiler:
-#CC= gcc
-CC= g++
-C_FLAGS= -O
+SRC = jcomapi.c jutils.c jerror.c jmemmgr.c jmemnobs.c \
+ jcapi.c jcparam.c jdatadst.c jcmaster.c jcmarker.c jcmainct.c \
+ jcprepct.c jccoefct.c jccolor.c jcsample.c jchuff.c jcdctmgr.c \
+ jfdctfst.c jfdctflt.c jfdctint.c \
+ jdapi.c jdatasrc.c jdmaster.c jdmarker.c jdmainct.c jdcoefct.c \
+ jdpostct.c jddctmgr.c jidctfst.c jidctflt.c jidctint.c jidctred.c \
+ jdhuff.c jdsample.c jdcolor.c jquant1.c jquant2.c jdmerge.c
-# You may need to adjust these cc options:
-CFLAGS= $(C_FLAGS) -I$(srcdir)
-# Generally, we recommend defining any configuration symbols in jconfig.h,
-# NOT via -D switches here.
-# However, any special defines for ansi2knr.c may be included here:
-ANSI2KNRFLAGS=
+OBJ = $(SRC:.c=.o)
-# Link-time cc options:
-LDFLAGS=
+.SUFFIXES: .o .cpp
-# To link any special libraries, add the necessary -l commands here.
-LDLIBS=
+$(LIB): $(OBJ)
+ ar ruvs $(LIB) $(OBJ)
+ $(RANLIB) $(LIB)
-# Put here the object file name for the correct system-dependent memory
-# manager file. For Unix this is usually jmemnobs.o, but you may want
-# to use jmemansi.o or jmemname.o if you have limited swap space.
-SYSDEPMEM= jmemnobs.o
-
-# miscellaneous OS-dependent stuff
-SHELL= /bin/sh
-# linker
-LN= $(CC)
-# file deletion command
-RM= rm -f
-# file rename command
-MV= mv
-# library (.a) file creation command
-AR= ar rc
-# second step in .a creation (use "touch" if not needed)
-RANLIB= ranlib
-# installation program
-INSTALL= /bin/install -c
-INSTALL_PROGRAM= $(INSTALL)
-INSTALL_DATA= $(INSTALL) -m 644
-
-# End of configurable options.
-
-
-# source files: JPEG library proper
-LIBSOURCES= jcapi.c jccoefct.c jccolor.c jcdctmgr.c jchuff.c jcmainct.c \
- jcmarker.c jcmaster.c jcomapi.c jcparam.c jcprepct.c jcsample.c \
- jdapi.c jdatasrc.c jdatadst.c jdcoefct.c jdcolor.c jddctmgr.c \
- jdhuff.c jdmainct.c jdmarker.c jdmaster.c jdpostct.c jdsample.c \
- jerror.c jutils.c jfdctfst.c jfdctflt.c jfdctint.c jidctfst.c \
- jidctflt.c jidctint.c jidctred.c jquant1.c jquant2.c jdmerge.c \
- jmemmgr.c jmemansi.c jmemname.c jmemnobs.c jmemdos.c
-# source files: cjpeg/djpeg applications, also rdjpgcom/wrjpgcom
-APPSOURCES= cjpeg.c djpeg.c rdcolmap.c rdppm.c wrppm.c rdgif.c wrgif.c \
- rdtarga.c wrtarga.c rdbmp.c wrbmp.c rdrle.c wrrle.c rdjpgcom.c \
- wrjpgcom.c
-SOURCES= $(LIBSOURCES) $(APPSOURCES)
-# files included by source files
-INCLUDES= jdct.h jerror.h jinclude.h jmemsys.h jmorecfg.h jpegint.h \
- jpeglib.h jversion.h cdjpeg.h cderror.h
-# documentation, test, and support files
-DOCS= README install.doc usage.doc cjpeg.1 djpeg.1 rdjpgcom.1 wrjpgcom.1 \
- example.c libjpeg.doc structure.doc coderules.doc filelist.doc \
- change.log
-MKFILES= configure makefile.auto makefile.ansi makefile.unix makefile.manx \
- makefile.sas makcjpeg.st makdjpeg.st makljpeg.st makefile.bcc \
- makefile.mc6 makefile.dj makefile.mms makefile.vms makvms.opt
-CONFIGFILES= jconfig.auto jconfig.manx jconfig.sas jconfig.st jconfig.bcc \
- jconfig.mc6 jconfig.dj jconfig.vms
-OTHERFILES= jconfig.doc ckconfig.c ansi2knr.c ansi2knr.1 jmemdosa.asm
-TESTFILES= testorig.jpg testimg.ppm testimg.gif testimg.jpg
-DISTFILES= $(DOCS) $(MKFILES) $(CONFIGFILES) $(SOURCES) $(INCLUDES) \
- $(OTHERFILES) $(TESTFILES)
-# library object files common to compression and decompression
-COMOBJECTS= jcomapi.o jutils.o jerror.o jmemmgr.o $(SYSDEPMEM)
-# compression library object files
-CLIBOBJECTS= jcapi.o jcparam.o jdatadst.o jcmaster.o jcmarker.o jcmainct.o \
- jcprepct.o jccoefct.o jccolor.o jcsample.o jchuff.o jcdctmgr.o \
- jfdctfst.o jfdctflt.o jfdctint.o
-# decompression library object files
-DLIBOBJECTS= jdapi.o jdatasrc.o jdmaster.o jdmarker.o jdmainct.o jdcoefct.o \
- jdpostct.o jddctmgr.o jidctfst.o jidctflt.o jidctint.o jidctred.o \
- jdhuff.o jdsample.o jdcolor.o jquant1.o jquant2.o jdmerge.o
-# These objectfiles are included in libjpeg.a
-LIBOBJECTS= $(CLIBOBJECTS) $(DLIBOBJECTS) $(COMOBJECTS)
-# object files for cjpeg and djpeg applications (excluding library files)
-COBJECTS= cjpeg.o rdppm.o rdgif.o rdtarga.o rdrle.o rdbmp.o
-DOBJECTS= djpeg.o wrppm.o wrgif.o wrtarga.o wrrle.o wrbmp.o rdcolmap.o
-
-
-#all: libjpeg.a cjpeg djpeg rdjpgcom wrjpgcom
-all: libjpeg.a
-
-# This rule causes ansi2knr to be invoked.
-# .c.o:
-# ./ansi2knr $(srcdir)/$*.c T$*.c
-# $(CC) $(CFLAGS) -c T$*.c
-# $(RM) T$*.c $*.o
-# $(MV) T$*.o $*.o
-
-ansi2knr: ansi2knr.c
- $(CC) $(CFLAGS) $(ANSI2KNRFLAGS) -o ansi2knr ansi2knr.c
-
-libjpeg.a: $(LIBOBJECTS)
- $(RM) libjpeg.a
- $(AR) libjpeg.a $(LIBOBJECTS)
- $(RANLIB) libjpeg.a
-
-cjpeg: $(COBJECTS) libjpeg.a
- $(LN) $(LDFLAGS) -o cjpeg $(COBJECTS) libjpeg.a $(LDLIBS)
-
-djpeg: $(DOBJECTS) libjpeg.a
- $(LN) $(LDFLAGS) -o djpeg $(DOBJECTS) libjpeg.a $(LDLIBS)
-
-rdjpgcom: rdjpgcom.o
- $(LN) $(LDFLAGS) -o rdjpgcom rdjpgcom.o $(LDLIBS)
-
-wrjpgcom: wrjpgcom.o
- $(LN) $(LDFLAGS) -o wrjpgcom wrjpgcom.o $(LDLIBS)
-
-jconfig.h: jconfig.doc
- echo You must prepare a system-dependent jconfig.h file.
- echo Please read the installation directions in install.doc.
- exit 1
-
-install: cjpeg djpeg rdjpgcom wrjpgcom
- $(INSTALL_PROGRAM) cjpeg $(bindir)/$(binprefix)cjpeg
- $(INSTALL_PROGRAM) djpeg $(bindir)/$(binprefix)djpeg
- $(INSTALL_PROGRAM) rdjpgcom $(bindir)/$(binprefix)rdjpgcom
- $(INSTALL_PROGRAM) wrjpgcom $(bindir)/$(binprefix)wrjpgcom
- $(INSTALL_DATA) $(srcdir)/cjpeg.1 $(mandir)/$(manprefix)cjpeg.$(manext)
- $(INSTALL_DATA) $(srcdir)/djpeg.1 $(mandir)/$(manprefix)djpeg.$(manext)
- $(INSTALL_DATA) $(srcdir)/rdjpgcom.1 $(mandir)/$(manprefix)rdjpgcom.$(manext)
- $(INSTALL_DATA) $(srcdir)/wrjpgcom.1 $(mandir)/$(manprefix)wrjpgcom.$(manext)
-
-install-lib: libjpeg.a jconfig.h
- $(INSTALL_DATA) libjpeg.a $(libdir)/$(binprefix)libjpeg.a
- $(INSTALL_DATA) jconfig.h $(includedir)/jconfig.h
- $(INSTALL_DATA) $(srcdir)/jpeglib.h $(includedir)/jpeglib.h
- $(INSTALL_DATA) $(srcdir)/jmorecfg.h $(includedir)/jmorecfg.h
- $(INSTALL_DATA) $(srcdir)/jerror.h $(includedir)/jerror.h
+.cpp.o:
+ $(CC) $(CFLAGS) -c $<
clean:
- $(RM) *.o cjpeg djpeg libjpeg.a rdjpgcom wrjpgcom ansi2knr core testout.*
-
-distribute:
- $(RM) jpegsrc.tar*
- tar cvf jpegsrc.tar $(DISTFILES)
- compress -v jpegsrc.tar
-
-test: cjpeg djpeg
- $(RM) testout.ppm testout.gif testout.jpg
- ./djpeg -dct int -ppm -outfile testout.ppm testorig.jpg
- ./djpeg -dct int -gif -outfile testout.gif testorig.jpg
- ./cjpeg -dct int -outfile testout.jpg testimg.ppm
- cmp testimg.ppm testout.ppm
- cmp testimg.gif testout.gif
- cmp testimg.jpg testout.jpg
-
-check: test
-
-# GNU Make likes to know which target names are not really files to be made:
-.PHONY: all install install-lib clean distribute test check
-
-
-jcapi.o : jcapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jccoefct.o : jccoefct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jccolor.o : jccolor.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcdctmgr.o : jcdctmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jchuff.o : jchuff.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcmainct.o : jcmainct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcmarker.o : jcmarker.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcmaster.o : jcmaster.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcomapi.o : jcomapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcparam.o : jcparam.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcprepct.o : jcprepct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcsample.o : jcsample.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdapi.o : jdapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdatasrc.o : jdatasrc.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h
-jdatadst.o : jdatadst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h
-jdcoefct.o : jdcoefct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdcolor.o : jdcolor.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jddctmgr.o : jddctmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jdhuff.o : jdhuff.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmainct.o : jdmainct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmarker.o : jdmarker.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmaster.o : jdmaster.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdpostct.o : jdpostct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdsample.o : jdsample.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jerror.o : jerror.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jversion.h jerror.h
-jutils.o : jutils.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jfdctfst.o : jfdctfst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jfdctflt.o : jfdctflt.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jfdctint.o : jfdctint.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctfst.o : jidctfst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctflt.o : jidctflt.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctint.o : jidctint.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctred.o : jidctred.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jquant1.o : jquant1.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jquant2.o : jquant2.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmerge.o : jdmerge.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jmemmgr.o : jmemmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemansi.o : jmemansi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemname.o : jmemname.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemnobs.o : jmemnobs.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemdos.o : jmemdos.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-cjpeg.o : cjpeg.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h jversion.h
-djpeg.o : djpeg.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h jversion.h
-rdcolmap.o : rdcolmap.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdppm.o : rdppm.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrppm.o : wrppm.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdgif.o : rdgif.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrgif.o : wrgif.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdtarga.o : rdtarga.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrtarga.o : wrtarga.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdbmp.o : rdbmp.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrbmp.o : wrbmp.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdrle.o : rdrle.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrrle.o : wrrle.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdjpgcom.o : rdjpgcom.c jinclude.h jconfig.h
-wrjpgcom.o : wrjpgcom.c jinclude.h jconfig.h
+ $(RM) $(RMFLAGS) *.o
+
+lint:
+ $(LINT) $(CFLAGS) $(SRC)
+
+depend:
+ (sed '/^# DO NOT DELETE THIS LINE/q' Makefile && \
+ $(CC) -MM $(CFLAGS) ${SRC} \
+ ) >Makefile.new
+ cp Makefile Makefile.bak
+ cp Makefile.new Makefile
+ $(RM) $(RMFLAGS) Makefile.new
+
+# DO NOT DELETE THIS LINE
+jcomapi.o: jcomapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jpegint.h jerror.h
+jutils.o: jutils.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h \
+ jerror.h
+jerror.o: jerror.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jversion.h jerror.h
+jmemmgr.o: jmemmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jpegint.h jerror.h jmemsys.h
+jmemnobs.o: jmemnobs.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jpegint.h jerror.h jmemsys.h
+jcapi.o: jcapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h \
+ jerror.h
+jcparam.o: jcparam.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jpegint.h jerror.h
+jdatadst.o: jdatadst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jerror.h
+jcmaster.o: jcmaster.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jpegint.h jerror.h
+jcmarker.o: jcmarker.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jpegint.h jerror.h
+jcmainct.o: jcmainct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jpegint.h jerror.h
+jcprepct.o: jcprepct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jpegint.h jerror.h
+jccoefct.o: jccoefct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jpegint.h jerror.h
+jccolor.o: jccolor.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jpegint.h jerror.h
+jcsample.o: jcsample.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jpegint.h jerror.h
+jchuff.o: jchuff.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h \
+ jerror.h
+jcdctmgr.o: jcdctmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jpegint.h jerror.h jdct.h
+jfdctfst.o: jfdctfst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jpegint.h jerror.h jdct.h
+jfdctflt.o: jfdctflt.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jpegint.h jerror.h jdct.h
+jfdctint.o: jfdctint.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jpegint.h jerror.h jdct.h
+jdapi.o: jdapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h \
+ jerror.h
+jdatasrc.o: jdatasrc.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jerror.h
+jdmaster.o: jdmaster.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jpegint.h jerror.h
+jdmarker.o: jdmarker.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jpegint.h jerror.h
+jdmainct.o: jdmainct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jpegint.h jerror.h
+jdcoefct.o: jdcoefct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jpegint.h jerror.h
+jdpostct.o: jdpostct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jpegint.h jerror.h
+jddctmgr.o: jddctmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jpegint.h jerror.h jdct.h
+jidctfst.o: jidctfst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jpegint.h jerror.h jdct.h
+jidctflt.o: jidctflt.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jpegint.h jerror.h jdct.h
+jidctint.o: jidctint.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jpegint.h jerror.h jdct.h
+jidctred.o: jidctred.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jpegint.h jerror.h jdct.h
+jdhuff.o: jdhuff.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h \
+ jerror.h
+jdsample.o: jdsample.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jpegint.h jerror.h
+jdcolor.o: jdcolor.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jpegint.h jerror.h
+jquant1.o: jquant1.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jpegint.h jerror.h
+jquant2.o: jquant2.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jpegint.h jerror.h
+jdmerge.o: jdmerge.c jinclude.h jconfig.h jpeglib.h jmorecfg.h \
+ jpegint.h jerror.h
diff --git a/jpeg/README b/jpeg/README
deleted file mode 100644
index c882ffb759..0000000000
--- a/jpeg/README
+++ /dev/null
@@ -1,349 +0,0 @@
-The Independent JPEG Group's JPEG software
-==========================================
-
-README for release 5 of 24-Sep-94
-=================================
-
-This distribution contains the fifth public release of the Independent JPEG
-Group's free JPEG software. You are welcome to redistribute this software and
-to use it for any purpose, subject to the conditions under LEGAL ISSUES, below.
-
-Serious users of this software (particularly those incorporating it into
-larger programs) should contact jpeg-info@uunet.uu.net to be added to our
-electronic mailing list. Mailing list members are notified of updates and
-have a chance to participate in technical discussions, etc.
-
-This software is the work of Tom Lane, Philip Gladstone, Luis Ortiz, Jim
-Boucher, Lee Crocker, George Phillips, Davide Rossi, Ge' Weijers, and other
-members of the Independent JPEG Group.
-
-IJG is not associated with the official ISO JPEG standards committee.
-
-
-DOCUMENTATION ROADMAP
-=====================
-
-This file contains the following sections:
-
-OVERVIEW General description of JPEG and the IJG software.
-LEGAL ISSUES Copyright, lack of warranty, terms of distribution.
-REFERENCES Where to learn more about JPEG.
-ARCHIVE LOCATIONS Where to find newer versions of this software.
-RELATED SOFTWARE Other stuff you should get.
-FILE FORMAT WARS Software *not* to get.
-TO DO Plans for future IJG releases.
-
-Other documentation files in the distribution are:
-
-User documentation:
- install.doc How to configure and install the IJG software.
- usage.doc Usage instructions for cjpeg, djpeg, rdjpgcom, wrjpgcom.
- *.1 Unix-style man pages for programs (same info as usage.doc).
- change.log Version-to-version change highlights.
-Programmer and internal documentation:
- libjpeg.doc How to use the JPEG library in your own programs.
- example.c Sample code for calling the JPEG library.
- structure.doc Overview of the JPEG library's internal structure.
- filelist.doc Road map of IJG files.
- coderules.doc Coding style rules --- please read if you contribute code.
-
-Please read at least the files install.doc and usage.doc. Useful information
-can also be found in the JPEG FAQ (Frequently Asked Questions) article. See
-ARCHIVE LOCATIONS below to find out where to obtain the FAQ article.
-
-If you want to understand how the JPEG code works, we suggest reading one or
-more of the REFERENCES, then looking at the documentation files (in roughly
-the order listed) before diving into the code.
-
-
-OVERVIEW
-========
-
-This package contains C software to implement JPEG image compression and
-decompression. JPEG (pronounced "jay-peg") is a standardized compression
-method for full-color and gray-scale images. JPEG is intended for compressing
-"real-world" scenes; cartoons and other non-realistic images are not its
-strong suit. JPEG is lossy, meaning that the output image is not necessarily
-identical to the input image. Hence you must not use JPEG if you have to have
-identical output bits. However, on typical images of real-world scenes, very
-good compression levels can be obtained with no visible change, and amazingly
-high compression levels are possible if you can tolerate a low-quality image.
-For more details, see the references, or just experiment with various
-compression settings.
-
-We provide a set of library routines for reading and writing JPEG image files,
-plus two simple applications "cjpeg" and "djpeg", which use the library to
-perform conversion between JPEG and some other popular image file formats.
-The library is intended to be reused in other applications.
-
-This software implements JPEG baseline and extended-sequential compression
-processes. Provision is made for supporting all variants of these processes,
-although some uncommon parameter settings aren't implemented yet. For legal
-reasons, we are not distributing code for the arithmetic-coding process; see
-LEGAL ISSUES. At present we have made no provision for supporting the
-progressive, hierarchical, or lossless processes defined in the standard.
-(Support for progressive mode may be offered in a future release.)
-
-In order to support file conversion and viewing software, we have included
-considerable functionality beyond the bare JPEG coding/decoding capability;
-for example, the color quantization modules are not strictly part of JPEG
-decoding, but they are essential for output to colormapped file formats or
-colormapped displays. These extra functions can be compiled out of the
-library if not required for a particular application. We have also included
-two simple applications for inserting and extracting textual comments in
-JFIF files.
-
-The emphasis in designing this software has been on achieving portability and
-flexibility, while also making it fast enough to be useful. In particular,
-the software is not intended to be read as a tutorial on JPEG. (See the
-REFERENCES section for introductory material.) While we hope that the entire
-package will someday be industrial-strength code, much remains to be done in
-performance tuning and in improving the capabilities of individual modules.
-
-We welcome the use of this software as a component of commercial products.
-No royalty is required, but we do ask for an acknowledgement in product
-documentation, as described under LEGAL ISSUES.
-
-
-LEGAL ISSUES
-============
-
-In plain English:
-
-1. We don't promise that this software works. (But if you find any bugs,
- please let us know!)
-2. You can use this software for whatever you want. You don't have to pay us.
-3. You may not pretend that you wrote this software. If you use it in a
- program, you must acknowledge somewhere in your documentation that
- you've used the IJG code.
-
-In legalese:
-
-The authors make NO WARRANTY or representation, either express or implied,
-with respect to this software, its quality, accuracy, merchantability, or
-fitness for a particular purpose. This software is provided "AS IS", and you,
-its user, assume the entire risk as to its quality and accuracy.
-
-This software is copyright (C) 1991, 1992, 1993, 1994, Thomas G. Lane.
-All Rights Reserved except as specified below.
-
-Permission is hereby granted to use, copy, modify, and distribute this
-software (or portions thereof) for any purpose, without fee, subject to these
-conditions:
-(1) If any part of the source code for this software is distributed, then this
-README file must be included, with this copyright and no-warranty notice
-unaltered; and any additions, deletions, or changes to the original files
-must be clearly indicated in accompanying documentation.
-(2) If only executable code is distributed, then the accompanying
-documentation must state that "this software is based in part on the work of
-the Independent JPEG Group".
-(3) Permission for use of this software is granted only if the user accepts
-full responsibility for any undesirable consequences; the authors accept
-NO LIABILITY for damages of any kind.
-
-These conditions apply to any software derived from or based on the IJG code,
-not just to the unmodified library. If you use our work, you ought to
-acknowledge us.
-
-Permission is NOT granted for the use of any IJG author's name or company name
-in advertising or publicity relating to this software or products derived from
-it. This software may be referred to only as "the Independent JPEG Group's
-software".
-
-We specifically permit and encourage the use of this software as the basis of
-commercial products, provided that all warranty or liability claims are
-assumed by the product vendor.
-
-
-ansi2knr.c is included in this distribution by permission of L. Peter Deutsch,
-sole proprietor of its copyright holder, Aladdin Enterprises of Menlo Park, CA.
-ansi2knr.c is NOT covered by the above copyright and conditions, but instead
-by the usual distribution terms of the Free Software Foundation; principally,
-that you must include source code if you redistribute it. (See the file
-ansi2knr.c for full details.) However, since ansi2knr.c is not needed as part
-of any program generated from the IJG code, this does not limit you more than
-the foregoing paragraphs do.
-
-The configuration script "configure" was produced by GNU Autoconf. Again,
-the FSF copyright terms apply only to configure, not to the IJG code; and
-again, that does not limit your use of the object code.
-
-It appears that the arithmetic coding option of the JPEG spec is covered by
-patents owned by IBM, AT&T, and Mitsubishi. Hence arithmetic coding cannot
-legally be used without obtaining one or more licenses. For this reason,
-support for arithmetic coding has been removed from the free JPEG software.
-(Since arithmetic coding provides only a marginal gain over the unpatented
-Huffman mode, it is unlikely that very many implementations will support it.)
-So far as we are aware, there are no patent restrictions on the remaining
-code.
-
-We are required to state that
- "The Graphics Interchange Format(c) is the Copyright property of
- CompuServe Incorporated. GIF(sm) is a Service Mark property of
- CompuServe Incorporated."
-
-
-REFERENCES
-==========
-
-We highly recommend reading one or more of these references before trying to
-understand the innards of the JPEG software.
-
-The best short technical introduction to the JPEG compression algorithm is
- Wallace, Gregory K. "The JPEG Still Picture Compression Standard",
- Communications of the ACM, April 1991 (vol. 34 no. 4), pp. 30-44.
-(Adjacent articles in that issue discuss MPEG motion picture compression,
-applications of JPEG, and related topics.) If you don't have the CACM issue
-handy, a PostScript file containing a revised version of Wallace's article is
-available at ftp.uu.net, graphics/jpeg/wallace.ps.gz. The file (actually a
-preprint for an article to appear in IEEE Trans. Consumer Electronics) omits
-the sample images that appeared in CACM, but it includes corrections and some
-added material. Note: the Wallace article is copyright ACM and IEEE, and it
-may not be used for commercial purposes.
-
-A somewhat less technical, more leisurely introduction to JPEG can be found in
-"The Data Compression Book" by Mark Nelson, published by M&T Books (Redwood
-City, CA), 1991, ISBN 1-55851-216-0. This book provides good explanations and
-example C code for a multitude of compression methods including JPEG. It is
-an excellent source if you are comfortable reading C code but don't know much
-about data compression in general. The book's JPEG sample code is far from
-industrial-strength, but when you are ready to look at a full implementation,
-you've got one here...
-
-The best full description of JPEG is the textbook "JPEG Still Image Data
-Compression Standard" by William B. Pennebaker and Joan L. Mitchell, published
-by Van Nostrand Reinhold, 1993, ISBN 0-442-01272-1. Price US$59.95, 638 pp.
-The book includes the complete text of the ISO JPEG standards (DIS 10918-1
-and draft DIS 10918-2). This is by far the most complete exposition of JPEG
-in existence, and we highly recommend it.
-
-The JPEG standard itself is not available electronically; you must order a
-paper copy through ISO. (Unless you feel a need to own a certified official
-copy, we recommend buying the Pennebaker and Mitchell book instead; it's much
-cheaper and includes a great deal of useful explanatory material.) In the US,
-copies of the standard may be ordered from ANSI Sales at (212) 642-4900, or
-from Global Engineering Documents at (800) 854-7179. (ANSI doesn't take
-credit card orders, but Global does.) It's not cheap: as of 1992, ANSI was
-charging $95 for Part 1 and $47 for Part 2, plus 7% shipping/handling. The
-standard is divided into two parts, Part 1 being the actual specification,
-while Part 2 covers compliance testing methods. Part 1 is titled "Digital
-Compression and Coding of Continuous-tone Still Images, Part 1: Requirements
-and guidelines" and has document number ISO/IEC IS 10918-1. As of mid-1994,
-Part 2 is still at Draft International Standard status. It is titled "Digital
-Compression and Coding of Continuous-tone Still Images, Part 2: Compliance
-testing" and has document number ISO/IEC DIS 10918-2. (The document number
-will change to IS 10918-2 when final approval is obtained.) A Part 3,
-covering extensions, is likely to appear in draft form in late 1994.
-
-The JPEG standard does not specify all details of an interchangeable file
-format. For the omitted details we follow the "JFIF" conventions, revision
-1.02. A copy of the JFIF spec is available from:
- Literature Department
- C-Cube Microsystems, Inc.
- 1778 McCarthy Blvd.
- Milpitas, CA 95035
- phone (408) 944-6300, fax (408) 944-6314
-A PostScript version of this document is available at ftp.uu.net, file
-graphics/jpeg/jfif.ps.gz. It can also be obtained by e-mail from the C-Cube
-mail server, netlib@c3.pla.ca.us. Send the message "send jfif_ps from jpeg"
-to the server to obtain the JFIF document; send the message "help" if you have
-trouble.
-
-The TIFF 6.0 file format specification can be obtained by FTP from sgi.com
-(192.48.153.1), file graphics/tiff/TIFF6.ps.Z; or you can order a printed copy
-from Aldus Corp. at (206) 628-6593. It should be noted that the TIFF 6.0 spec
-of 3-June-92 has a number of serious problems in its JPEG features. A
-redesign effort is currently underway to correct these problems; it is
-expected to result in a new, incompatible, spec. IJG intends to support the
-corrected version of TIFF when the new spec is issued.
-
-
-ARCHIVE LOCATIONS
-=================
-
-The "official" archive site for this software is ftp.uu.net (Internet
-address 192.48.96.9). The most recent released version can always be found
-there in directory graphics/jpeg. This particular version will be archived
-as graphics/jpeg/jpegsrc.v5.tar.gz. If you are on the Internet, you
-can retrieve files from ftp.uu.net by standard anonymous FTP. If you don't
-have FTP access, UUNET's archives are also available via UUCP; contact
-help@uunet.uu.net for information on retrieving files that way.
-
-Numerous Internet sites maintain copies of the UUNET files; in particular,
-you can probably find a copy at any site that archives comp.sources.misc
-submissions. However, only ftp.uu.net is guaranteed to have the latest
-official version.
-
-You can also obtain this software from CompuServe, in the GRAPHSUPPORT forum
-(GO GRAPHSUP); this version will be file jpsrc5.zip in library 15. Again,
-CompuServe is not guaranteed to have the very latest version.
-
-The JPEG FAQ (Frequently Asked Questions) article is a useful source of
-general information about JPEG. It is updated constantly and therefore
-is not included in this distribution. The FAQ is posted every two weeks
-to Usenet newsgroups comp.graphics, news.answers, and other groups. You
-can always obtain the latest version from the news.answers archive at
-rtfm.mit.edu (18.181.0.24). By FTP, fetch /pub/usenet/news.answers/jpeg-faq.
-If you don't have FTP, send e-mail to mail-server@rtfm.mit.edu with body
-"send usenet/news.answers/jpeg-faq".
-
-
-RELATED SOFTWARE
-================
-
-Numerous viewing and image manipulation programs now support JPEG. (Quite a
-few of them use this library to do so.) The JPEG FAQ described above lists
-some of the more popular free and shareware viewers, and tells where to
-obtain them on Internet.
-
-If you are on a Unix machine, we highly recommend Jef Poskanzer's free
-PBMPLUS image software, which provides many useful operations on PPM-format
-image files. In particular, it can convert PPM images to and from a wide
-range of other formats. You can obtain this package by FTP from ftp.x.org
-(contrib/pbmplus*.tar.Z) or ftp.ee.lbl.gov (pbmplus*.tar.Z). There is also
-a newer update of this package called NETPBM, available from
-wuarchive.wustl.edu under directory /graphics/graphics/packages/NetPBM/.
-Unfortunately PBMPLUS/NETPBM is not nearly as portable as the IJG software
-is; you are likely to have difficulty making it work on any non-Unix machine.
-
-A different free JPEG implementation, written by the PVRG group at Stanford,
-is available from havefun.stanford.edu in directory pub/jpeg. This program
-is designed for research and experimentation rather than production use;
-it is slower, harder to use, and less portable than the IJG code, but it
-implements a larger subset of the JPEG standard. In particular, it supports
-lossless JPEG.
-
-
-FILE FORMAT WARS
-================
-
-Some JPEG programs produce files that are not compatible with our library.
-The root of the problem is that the ISO JPEG committee failed to specify a
-concrete file format. Some vendors "filled in the blanks" on their own,
-creating proprietary formats that no one else could read. (For example, none
-of the early commercial JPEG implementations for the Macintosh were able to
-exchange compressed files.)
-
-The file format we have adopted is called JFIF (see REFERENCES). This format
-has been agreed to by a number of major commercial JPEG vendors, and it has
-become the de facto standard. JFIF is a minimal or "low end" representation.
-Work is also going forward to incorporate JPEG compression into the TIFF
-standard, for use in "high end" applications that need to record a lot of
-additional data about an image. We intend to support TIFF in the future.
-We hope that these two formats will be sufficient and that other,
-incompatible JPEG file formats will not proliferate.
-
-Indeed, part of the reason for developing and releasing this free software is
-to help force rapid convergence to de facto standards for JPEG file formats.
-SUPPORT STANDARD, NON-PROPRIETARY FORMATS: demand JFIF or TIFF/JPEG!
-
-
-TO DO
-=====
-
-In future versions, we are considering supporting progressive JPEG
-compression, the upcoming JPEG Part 3 extensions, and other improvements.
-
-As always, speeding things up is high on our priority list.
-
-Please send bug reports, offers of help, etc. to jpeg-info@uunet.uu.net.
diff --git a/jpeg/TAGS b/jpeg/TAGS
deleted file mode 100644
index be11a10e15..0000000000
--- a/jpeg/TAGS
+++ /dev/null
@@ -1,762 +0,0 @@
-
-ansi2knr.c,156
-convert1(370,13445
-#define isidchar(220,9913
-#define isidfirstchar(221,9963
-main(230,10135
-skipspace(285,11319
-test1(323,12206
-writeblanks(305,11755
-
-cderror.h,0
-
-cdjpeg.h,0
-
-cjpeg.c,287
-keymatch 276,8909
-main 703,22146
-parse_switches 472,14622
-progress_monitor 185,5560
-qt_getc 301,9712
-read_qt_integer 318,10025
-read_quant_tables 347,10625
-select_file_type 107,4015
-set_quant_slots 404,12602
-set_sample_factors 438,13566
-signal_catcher 165,5180
-usage 221,6639
-
-ckconfig.c,411
-int is_char_signed 243,6953
-int is_char_signed 245,6988
-int is_shifting_signed 261,7435
-int is_shifting_signed 263,7475
-int main 286,8178
-int main 288,8218
-int possibly_dupli_function 222,6346
-int possibly_duplicate_function 217,6294
-int test2function 116,4131
-void test3function 163,5239
-void test3function 165,5296
-int test4function 187,5772
-int test4function 189,5813
-int testfunction 111,4041
-
-djpeg.c,172
-COM_handler 472,15110
-jpeg_getc 457,14768
-keymatch 240,7793
-main 522,16176
-parse_switches 265,8596
-progress_monitor 132,3835
-signal_catcher 112,3455
-usage 168,4914
-
-example.c,76
-my_error_exit 257,10295
-read_JPEG_file 278,10849
-write_JPEG_file 72,2388
-
-jcapi.c,300
-jpeg_abort_compress 366,11862
-jpeg_create_compress 26,741
-jpeg_destroy_compress 69,1729
-jpeg_finish_compress 261,8308
-jpeg_start_compress 124,3650
-jpeg_suppress_tables 88,2423
-jpeg_write_marker 307,9959
-jpeg_write_raw_data 206,6531
-jpeg_write_scanlines 163,5143
-jpeg_write_tables 341,11094
-
-jccoefct.c,141
-compress_data 113,3369
-compress_first_pass 205,7426
-compress_output 301,11224
-jinit_c_coef_controller 373,13780
-start_pass_coef 73,2330
-
-jccolor.c,232
-#define FIX(55,2046
-cmyk_ycck_convert 215,7252
-grayscale_convert 270,9078
-jinit_color_converter 342,10739
-null_convert 299,9841
-null_method 331,10589
-rgb_gray_convert 176,6112
-rgb_ycc_convert 120,4334
-rgb_ycc_start 80,2909
-
-jcdctmgr.c,107
-forward_DCT 192,6059
-forward_DCT_float 282,9149
-jinit_forward_dct 356,11705
-start_pass_fdctmgr 68,1951
-
-jchuff.c,450
-#define ASSIGN_STATE(48,1611
-#define ASSIGN_STATE(51,1693
-dump_buffer 251,8106
-emit_bits 275,8859
-#define emit_byte(243,7901
-emit_restart 416,12785
-encode_mcu_gather 609,18163
-encode_mcu_huff 441,13331
-encode_one_block 326,10278
-finish_pass_gather 784,23520
-finish_pass_huff 498,14976
-fix_huff_tbl 183,6342
-flush_bits 313,9972
-gen_huff_coding 643,19203
-htest_one_block 544,16606
-jinit_huff_encoder 829,24796
-start_pass_huff 115,3873
-
-jcmainct.c,129
-jinit_c_main_controller 251,7686
-process_data_buffer_main 174,5156
-process_data_simple_main 115,3336
-start_pass_main 70,2242
-
-jcmarker.c,435
-emit_2bytes 120,2380
-emit_adobe_app14 358,8324
-emit_byte 97,1921
-emit_dac 209,4215
-emit_dht 171,3422
-emit_dqt 133,2639
-emit_dri 252,5337
-emit_jfif_app0 320,7097
-emit_marker 111,2227
-emit_sof 264,5540
-emit_sos 295,6450
-jinit_marker_writer 592,14876
-write_any_marker 412,10032
-write_file_header 441,10909
-write_file_trailer 549,13994
-write_frame_header 461,11502
-write_scan_header 511,13011
-write_tables_only 563,14350
-
-jcmaster.c,188
-finish_pass_master 356,12072
-initial_setup 35,802
-jinit_master_compress 374,12520
-master_selection 201,7220
-pass_startup 342,11803
-per_scan_setup 115,4120
-prepare_for_pass 256,8888
-
-jcomapi.c,104
-jpeg_abort 29,821
-jpeg_alloc_huff_table 86,2485
-jpeg_alloc_quant_table 74,2208
-jpeg_destroy 57,1684
-
-jconfig.h,0
-
-jcparam.c,265
-add_huff_table 148,5075
-jpeg_add_quant_table 23,547
-jpeg_default_colorspace 332,12102
-jpeg_quality_scaling 102,3569
-jpeg_set_colorspace 364,12816
-jpeg_set_defaults 250,9476
-jpeg_set_linear_quality 59,1801
-jpeg_set_quality 128,4462
-std_huff_tables 164,5543
-
-jcprepct.c,178
-create_context_buffer 284,9650
-expand_bottom_edge 106,3501
-jinit_c_prep_controller 332,11402
-pre_process_context 195,6424
-pre_process_data 128,4074
-start_pass_prep 78,2668
-
-jcsample.c,315
-typedef JMETHOD(54,2543
-expand_right_edge 87,3225
-fullsize_downsample 187,6197
-fullsize_smooth_downsample 392,14104
-h2v1_downsample 212,7135
-h2v2_downsample 249,8266
-h2v2_smooth_downsample 292,9611
-int_downsample 140,4727
-jinit_downsampler 464,16776
-sep_downsample 114,3872
-start_pass_downsample 75,3011
-
-jdapi.c,321
-default_decompress_parms 100,2467
-jpeg_abort_decompress 435,13700
-jpeg_create_decompress 25,691
-jpeg_destroy_decompress 72,1821
-jpeg_finish_decompress 396,12455
-jpeg_read_header 215,6664
-jpeg_read_raw_data 352,11095
-jpeg_read_scanlines 321,10213
-jpeg_set_marker_processor 83,2023
-jpeg_start_decompress 269,8321
-
-jdatadst.c,108
-empty_output_buffer 81,2925
-init_destination 43,1295
-jpeg_stdio_dest 130,4223
-term_destination 106,3565
-
-jdatasrc.c,121
-fill_input_buffer 90,3492
-init_source 44,1311
-jpeg_stdio_src 179,6114
-skip_input_data 128,4660
-term_source 166,5859
-
-jdcoefct.c,140
-decompress_data 103,3107
-decompress_output 261,8918
-decompress_read 184,6064
-jinit_d_coef_controller 318,10729
-start_pass_coef 61,1961
-
-jdcolor.c,205
-#define FIX(62,2368
-grayscale_convert 204,7041
-jinit_color_deconverter 283,9433
-null_convert 172,6170
-null_method 272,9280
-ycc_rgb_convert 120,4434
-ycc_rgb_start 70,2499
-ycck_cmyk_convert 221,7511
-
-jdct.h,292
-#define DESCALE(146,5796
-#define FIX(139,5549
-#define IDCT_range_limit(76,3112
-typedef JMETHOD(35,1357
-typedef JMETHOD(36,1422
-#define MULTIPLY16C16(158,6404
-#define MULTIPLY16C16(161,6548
-#define MULTIPLY16C16(165,6676
-#define MULTIPLY16V16(171,6840
-#define MULTIPLY16V16(175,6968
-
-jddctmgr.c,82
-jinit_inverse_dct 221,6983
-start_input_pass 76,2406
-start_output_pass 201,6586
-
-jdhuff.c,460
-#define ASSIGN_STATE(63,2269
-#define ASSIGN_STATE(66,2351
-#define check_bit_buffer(368,12632
-decode_mcu 549,18539
-#define drop_bits(379,13045
-fill_bit_buffer 269,9218
-fix_huff_tbl 153,5228
-#define get_bits(373,12792
-#define huff_DECODE(399,13894
-#define huff_EXTEND(461,15568
-#define huff_EXTEND(465,15655
-jinit_huff_decoder 671,21716
-#define peek_bits(376,12918
-process_restart 486,16393
-slow_DECODE 422,14565
-start_pass_huff_decoder 116,3961
-
-jdmainct.c,300
-jinit_d_main_controller 489,19467
-make_funny_pointers 159,7787
-process_data_context_main 377,15376
-process_data_crank_post 472,19075
-process_data_input_only 451,18501
-process_data_simple_main 337,14015
-set_bottom_pointers 244,10913
-set_wraparound_pointers 216,9984
-start_pass_main 285,12405
-
-jdmarker.c,577
-#define INPUT_2BYTES(134,3312
-#define INPUT_BYTE(127,3054
-#define INPUT_RELOAD(108,2407
-#define INPUT_SYNC(103,2207
-#define INPUT_VARS(97,1941
-#define MAKE_BYTE_AVAIL(116,2747
-first_marker 701,18970
-get_app0 346,9812
-get_app14 402,11513
-get_dac 449,12814
-get_dht 486,13697
-get_dqt 551,15272
-get_dri 603,16524
-get_sof 204,5447
-get_soi 166,4596
-get_sos 279,8030
-jinit_marker_reader 1031,30254
-jpeg_resync_to_restart 965,28301
-next_marker 654,17620
-read_markers 733,19870
-read_restart_marker 887,24484
-reset_marker_reader 1016,29886
-skip_variable 627,16922
-
-jdmaster.c,249
-finish_pass_master 589,21500
-jinit_master_decompress 636,22919
-jpeg_calc_output_dimensions 91,2932
-master_selection 391,14928
-per_scan_setup 237,8578
-prepare_for_pass 510,18655
-prepare_range_limit_table 353,13450
-use_merged_upsample 50,1407
-
-jdmerge.c,211
-#define FIX(74,2797
-h2v1_merged_upsample 217,7610
-h2v2_merged_upsample 279,9732
-jinit_merged_upsampler 361,12767
-merged_1v_upsample 184,6602
-merged_2v_upsample 135,4885
-start_pass_merged_upsample 82,2916
-
-jdpostct.c,149
-jinit_d_post_controller 239,7639
-post_process_1pass 117,3808
-post_process_2pass 192,6210
-post_process_prepass 149,4806
-start_pass_dpost 73,2495
-
-jdsample.c,286
-typedef JMETHOD(27,908
-fullsize_upsample 157,5201
-h2v1_fancy_upsample 304,9755
-h2v1_upsample 233,7543
-h2v2_fancy_upsample 345,11191
-h2v2_upsample 261,8272
-int_upsample 189,6246
-jinit_upsampler 399,13107
-noop_upsample 170,5523
-sep_upsample 89,2858
-start_pass_upsample 69,2279
-
-jerror.c,142
-emit_message 87,2577
-error_exit 44,1491
-format_message 116,3518
-jpeg_std_error 190,5715
-output_message 63,1884
-reset_error_mgr 171,5181
-
-jerror.h,463
-#define ERREXIT(184,8633
-#define ERREXIT1(187,8759
-#define ERREXIT2(191,8930
-#define ERREXIT3(196,9145
-#define ERREXIT4(202,9404
-#define ERREXITS(209,9707
-#define MAKESTMT(214,9905
-#define TRACEMS(231,10597
-#define TRACEMS1(234,10736
-#define TRACEMS2(238,10920
-#define TRACEMS3(243,11148
-#define TRACEMS4(248,11403
-#define TRACEMS8(253,11676
-#define TRACEMSS(259,12027
-#define WARNMS(217,10030
-#define WARNMS1(220,10161
-#define WARNMS2(224,10337
-
-jfdctflt.c,25
-jpeg_fdct_float 59,2189
-
-jfdctfst.c,78
-#define DESCALE(98,3997
-#define MULTIPLY(106,4158
-jpeg_fdct_ifast 114,4310
-
-jfdctint.c,80
-#define MULTIPLY(129,5535
-#define MULTIPLY(131,5595
-jpeg_fdct_islow 140,5723
-
-jidctflt.c,53
-#define DEQUANTIZE(60,2393
-jpeg_idct_float 68,2559
-
-jidctfst.c,253
-#define DEQUANTIZE(129,5272
-#define DEQUANTIZE(131,5355
-#define DESCALE(111,4744
-#define IDESCALE(152,5934
-#define IDESCALE(154,6009
-#define IRIGHT_SHIFT(142,5670
-#define IRIGHT_SHIFT(148,5852
-#define MULTIPLY(119,4905
-jpeg_idct_ifast 163,6160
-
-jidctint.c,109
-#define DEQUANTIZE(140,5942
-#define MULTIPLY(129,5611
-#define MULTIPLY(131,5671
-jpeg_idct_islow 148,6113
-
-jidctred.c,155
-#define DEQUANTIZE(109,4058
-#define MULTIPLY(98,3727
-#define MULTIPLY(100,3787
-jpeg_idct_1x1 378,12780
-jpeg_idct_2x2 270,9268
-jpeg_idct_4x4 118,4275
-
-jinclude.h,173
-#define JFREAD(88,3012
-#define JFWRITE(90,3127
-#define MEMCOPY(62,2021
-#define MEMCOPY(68,2255
-#define MEMZERO(61,1952
-#define MEMZERO(67,2182
-#define SIZEOF(80,2737
-
-jmemansi.c,296
-close_backing_store 123,3485
-jpeg_free_large 62,1684
-jpeg_free_small 42,1173
-jpeg_get_large 56,1566
-jpeg_get_small 36,1059
-jpeg_mem_available 81,2260
-jpeg_mem_init 158,4430
-jpeg_mem_term 164,4544
-jpeg_open_backing_store 141,3974
-read_backing_store 97,2732
-write_backing_store 110,3106
-
-jmemdos.c,1112
-#define DST_HANDLE(475,14605
-#define DST_OFFSET(476,14653
-#define DST_PAGE(477,14711
-#define DST_PTR(478,14768
-#define DST_TYPE(474,14558
-#define FIELD_AT(468,14233
-#define HIBYTE(482,14877
-#define LOBYTE(483,14916
-#define ODD(325,10102
-#define SRC_HANDLE(470,14351
-#define SRC_OFFSET(471,14398
-#define SRC_PAGE(472,14455
-#define SRC_PTR(473,14511
-#define SRC_TYPE(469,14305
-close_ems_store 537,16339
-close_file_store 271,8638
-close_xms_store 397,12067
-#define far_free(59,2101
-#define far_free(64,2295
-#define far_free(70,2400
-#define far_malloc(58,2066
-#define far_malloc(63,2261
-#define far_malloc(69,2368
-jpeg_free_large 185,5695
-jpeg_free_small 168,5392
-jpeg_get_large 179,5573
-jpeg_get_small 162,5278
-jpeg_mem_available 204,6279
-jpeg_mem_init 619,18370
-jpeg_mem_term 626,18548
-jpeg_open_backing_store 595,17790
-open_ems_store 550,16653
-open_file_store 284,9064
-open_xms_store 410,12393
-read_ems_store 487,14965
-read_file_store 239,7572
-read_xms_store 329,10152
-select_file_name 124,4158
-write_ems_store 512,15650
-write_file_store 255,8102
-write_xms_store 362,11059
-
-jmemmgr.c,418
-access_virt_barray 817,30868
-access_virt_sarray 761,28694
-alloc_barray 439,16331
-alloc_large 338,12917
-alloc_sarray 391,14964
-alloc_small 253,9643
-do_barray_io 730,27490
-do_sarray_io 699,26305
-free_pool 877,33096
-jinit_memory_mgr 975,35998
-out_of_memory 213,8354
-print_mem_stats 182,7411
-realize_virt_arrays 594,22357
-request_virt_barray 562,21283
-request_virt_sarray 530,20205
-self_destruct 949,35298
-
-jmemname.c,354
-close_backing_store 202,6159
-jpeg_free_large 141,4358
-jpeg_free_small 121,3847
-jpeg_get_large 135,4240
-jpeg_get_small 115,3733
-jpeg_mem_available 160,4934
-jpeg_mem_init 238,7225
-jpeg_mem_term 245,7403
-jpeg_open_backing_store 219,6639
-read_backing_store 176,5406
-select_file_name 76,2692
-select_file_name 98,3305
-write_backing_store 189,5780
-
-jmemnobs.c,207
-jpeg_free_large 61,1754
-jpeg_free_small 41,1243
-jpeg_get_large 55,1636
-jpeg_get_small 35,1129
-jpeg_mem_available 73,1997
-jpeg_mem_init 100,2605
-jpeg_mem_term 106,2709
-jpeg_open_backing_store 87,2324
-
-jmemsys.h,0
-
-jmorecfg.h,196
-#define GETJOCTET(111,3417
-#define GETJOCTET(117,3533
-#define GETJOCTET(119,3573
-#define GETJSAMPLE(60,2109
-#define GETJSAMPLE(66,2235
-#define GETJSAMPLE(68,2284
-#define GETJSAMPLE(85,2662
-
-jpegint.h,132
-typedef JMETHOD(204,7857
-#define MAX(251,9451
-#define MIN(253,9503
-#define RIGHT_SHIFT(268,10163
-#define RIGHT_SHIFT(274,10338
-
-jpeglib.h,123
-#define JMETHOD(54,1998
-#define JMETHOD(56,2073
-typedef JMETHOD(709,28849
-#define JPP(718,29127
-#define JPP(720,29162
-
-jquant1.c,344
-color_quantize 367,14848
-color_quantize3 395,15615
-create_colormap 235,9523
-finish_pass_1_quant 641,24400
-jinit_1pass_quantizer 652,24566
-largest_input_value 220,9046
-output_value 206,8496
-quantize3_ord_dither 473,18294
-quantize_fs_dither 518,19859
-quantize_ord_dither 423,16527
-select_ncolors 154,6663
-start_pass_1_quant 630,24238
-
-jquant2.c,471
-compute_color 493,17241
-fill_inverse_cmap 850,31263
-find_best_colors 770,28348
-find_biggest_color_pop 267,10702
-find_biggest_volume 287,11173
-find_nearby_colors 641,23942
-finish_pass1 1138,42546
-finish_pass2 1146,42698
-init_error_limit 1103,41565
-jinit_2pass_quantizer 1188,43697
-median_cut 418,14872
-pass2_fs_dither 944,34611
-pass2_no_dither 910,33527
-prescan_quantize 218,9321
-select_colors 533,18588
-start_pass_2_quant 1157,42821
-update_box 307,11611
-
-jutils.c,216
-#define FMEMCOPY(52,1461
-#define FMEMCOPY(56,1627
-#define FMEMZERO(53,1516
-#define FMEMZERO(57,1729
-jcopy_block_row 97,2789
-jcopy_sample_rows 63,1837
-jdiv_round_up 24,526
-jround_up 33,690
-jzero_far 117,3286
-
-jversion.h,0
-
-rdbmp.c,280
-#define ReadOK(45,1416
-#define UCH(33,1183
-#define UCH(37,1287
-#define UCH(40,1341
-finish_input_bmp 394,12543
-get_24bit_row 149,4322
-get_8bit_row 119,3445
-jinit_read_bmp 405,12715
-preload_image 185,5375
-read_byte 68,2107
-read_colormap 81,2348
-start_input_bmp 238,6960
-
-rdcolmap.c,139
-add_map_entry 46,1663
-pbm_getc 121,3543
-read_color_map 231,6229
-read_gif_map 79,2529
-read_pbm_integer 138,3852
-read_ppm_map 171,4659
-
-rdgif.c,442
-#define BitSet(55,2222
-DoExtension 363,12310
-GetCode 203,7137
-GetDataBlock 146,5578
-InitLZWCode 184,6518
-#define LM_to_uint(53,2163
-LZWReadByte 257,8877
-ReInitLZW 173,6143
-ReadByte 133,5347
-ReadColorMap 349,12000
-#define ReadOK(59,2410
-SkipDataBlocks 162,5945
-finish_input_gif 644,21671
-get_interlaced_row 597,20299
-get_pixel_rows 526,18077
-jinit_read_gif 655,21843
-load_interlaced_image 552,18745
-start_input_gif 382,12731
-
-rdjpgcom.c,288
-#define ERREXIT(63,1700
-#define NEXTBYTE(59,1640
-first_marker 166,4514
-keymatch 387,10776
-main 416,11589
-next_marker 131,3647
-process_COM 214,5666
-process_SOFn 259,6640
-read_1_byte 68,1823
-read_2_bytes 81,2068
-scan_JPEG_header 317,8867
-skip_variable 188,5058
-usage 372,10400
-
-rdppm.c,348
-#define ReadOK(54,1759
-#define UCH(42,1526
-#define UCH(46,1630
-#define UCH(49,1684
-finish_input_ppm 358,11171
-get_raw_row 222,6566
-get_scaled_gray_row 178,5237
-get_scaled_rgb_row 199,5861
-get_text_gray_row 140,4124
-get_text_rgb_row 158,4626
-jinit_read_ppm 369,11343
-pbm_getc 83,2727
-read_pbm_integer 100,3036
-start_input_ppm 240,7092
-
-rdrle.c,152
-finish_input_rle 357,10690
-get_pseudocolor_row 203,6311
-get_rle_row 186,5891
-jinit_read_rle 368,10862
-load_image 238,7460
-start_input_rle 80,2497
-
-rdtarga.c,413
-#define ReadOK(41,1174
-#define UCH(29,941
-#define UCH(33,1045
-#define UCH(36,1099
-finish_input_tga 472,14193
-get_16bit_row 211,5838
-get_24bit_row 239,6660
-get_8bit_gray_row 174,4756
-get_8bit_row 190,5230
-get_memory_row 273,7784
-jinit_read_targa 483,14367
-preload_image 299,8592
-read_byte 88,2671
-read_colormap 101,2914
-read_non_rle_pixel 123,3461
-read_rle_pixel 136,3750
-start_input_tga 332,9652
-
-wrbmp.c,210
-finish_output_bmp 342,10649
-jinit_write_bmp 388,11990
-put_gray_rows 105,3132
-put_pixel_rows 71,2166
-start_output_bmp 140,4064
-write_bmp_header 155,4343
-write_colormap 290,9172
-write_os2_header 228,7127
-
-wrgif.c,407
-#define CHAR_OUT(129,4584
-#define HASH_ENTRY(70,2624
-#define MAXCODE(49,1803
-clear_block 180,5888
-clear_hash 171,5695
-compress_byte 214,6882
-compress_init 192,6236
-compress_term 272,8465
-emit_header 312,9342
-finish_output_gif 431,13169
-flush_packet 115,4135
-jinit_write_gif 453,13739
-output 139,4828
-put_3bytes 302,9093
-put_pixel_rows 412,12786
-put_word 293,8903
-start_output_gif 395,12416
-
-wrjpgcom.c,389
-#define ERREXIT(81,2233
-#define NEXTBYTE(72,2059
-#define PUTBYTE(77,2167
-copy_rest_of_file 136,3150
-copy_variable 238,6031
-first_marker 216,5487
-keymatch 375,10036
-main 404,10849
-next_marker 181,4620
-read_1_byte 86,2356
-read_2_bytes 99,2601
-scan_JPEG_header 283,7071
-skip_variable 258,6497
-usage 342,8759
-write_1_byte 116,2916
-write_2_bytes 122,2968
-write_marker 129,3071
-
-wrppm.c,239
-#define DOWNSCALE(32,1123
-#define DOWNSCALE(34,1155
-copy_pixel_rows 88,2719
-finish_output_ppm 186,5485
-jinit_write_ppm 200,5788
-put_demapped_gray 136,4193
-put_demapped_rgb 111,3338
-put_pixel_rows 73,2333
-start_output_ppm 159,4803
-
-wrrle.c,109
-finish_output_rle 171,4942
-jinit_write_rle 274,8142
-rle_put_pixel_rows 153,4494
-start_output_rle 77,2091
-
-wrtarga.c,181
-finish_output_tga 211,6214
-jinit_write_targa 225,6519
-put_demapped_gray 144,4202
-put_gray_rows 120,3540
-put_pixel_rows 99,2882
-start_output_tga 167,4800
-write_header 54,1514
diff --git a/jpeg/ansi2knr.1 b/jpeg/ansi2knr.1
deleted file mode 100644
index 434ce8f042..0000000000
--- a/jpeg/ansi2knr.1
+++ /dev/null
@@ -1,19 +0,0 @@
-.TH ANSI2KNR 1 "31 December 1990"
-.SH NAME
-ansi2knr \- convert ANSI C to Kernighan & Ritchie C
-.SH SYNOPSIS
-.I ansi2knr
-input_file output_file
-.SH DESCRIPTION
-If no output_file is supplied, output goes to stdout.
-.br
-There are no error messages.
-.sp
-.I ansi2knr
-recognizes functions by seeing a non-keyword identifier at the left margin, followed by a left parenthesis, with a right parenthesis as the last character on the line. It will recognize a multi-line header if the last character on each line but the last is a left parenthesis or comma. These algorithms ignore whitespace and comments, except that the function name must be the first thing on the line.
-.sp
-The following constructs will confuse it:
-.br
- - Any other construct that starts at the left margin and follows the above syntax (such as a macro or function call).
-.br
- - Macros that tinker with the syntax of the function header.
diff --git a/jpeg/ansi2knr.c b/jpeg/ansi2knr.c
deleted file mode 100644
index 392421543e..0000000000
--- a/jpeg/ansi2knr.c
+++ /dev/null
@@ -1,488 +0,0 @@
-/* Copyright (C) 1989, 1991, 1993 Aladdin Enterprises. All rights reserved. */
-
-/* ansi2knr.c */
-/* Convert ANSI function declarations to K&R syntax */
-
-/*
-ansi2knr is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY. No author or distributor accepts responsibility
-to anyone for the consequences of using it or for whether it serves any
-particular purpose or works at all, unless he says so in writing. Refer
-to the GNU General Public License for full details.
-
-Everyone is granted permission to copy, modify and redistribute
-ansi2knr, but only under the conditions described in the GNU
-General Public License. A copy of this license is supposed to have been
-given to you along with ansi2knr so you can know your rights and
-responsibilities. It should be in a file named COPYING. Among other
-things, the copyright notice and this notice must be preserved on all
-copies.
-*/
-
-/*
----------- Here is the GNU GPL file COPYING, referred to above ----------
------ These terms do NOT apply to the JPEG software itself; see README ------
-
- GHOSTSCRIPT GENERAL PUBLIC LICENSE
- (Clarified 11 Feb 1988)
-
- Copyright (C) 1988 Richard M. Stallman
- Everyone is permitted to copy and distribute verbatim copies of this
- license, but changing it is not allowed. You can also use this wording
- to make the terms for other programs.
-
- The license agreements of most software companies keep you at the
-mercy of those companies. By contrast, our general public license is
-intended to give everyone the right to share Ghostscript. To make sure
-that you get the rights we want you to have, we need to make
-restrictions that forbid anyone to deny you these rights or to ask you
-to surrender the rights. Hence this license agreement.
-
- Specifically, we want to make sure that you have the right to give
-away copies of Ghostscript, that you receive source code or else can get
-it if you want it, that you can change Ghostscript or use pieces of it
-in new free programs, and that you know you can do these things.
-
- To make sure that everyone has such rights, we have to forbid you to
-deprive anyone else of these rights. For example, if you distribute
-copies of Ghostscript, you must give the recipients all the rights that
-you have. You must make sure that they, too, receive or can get the
-source code. And you must tell them their rights.
-
- Also, for our own protection, we must make certain that everyone finds
-out that there is no warranty for Ghostscript. If Ghostscript is
-modified by someone else and passed on, we want its recipients to know
-that what they have is not what we distributed, so that any problems
-introduced by others will not reflect on our reputation.
-
- Therefore we (Richard M. Stallman and the Free Software Foundation,
-Inc.) make the following terms which say what you must do to be allowed
-to distribute or change Ghostscript.
-
-
- COPYING POLICIES
-
- 1. You may copy and distribute verbatim copies of Ghostscript source
-code as you receive it, in any medium, provided that you conspicuously
-and appropriately publish on each copy a valid copyright and license
-notice "Copyright (C) 1989 Aladdin Enterprises. All rights reserved.
-Distributed by Free Software Foundation, Inc." (or with whatever year is
-appropriate); keep intact the notices on all files that refer to this
-License Agreement and to the absence of any warranty; and give any other
-recipients of the Ghostscript program a copy of this License Agreement
-along with the program. You may charge a distribution fee for the
-physical act of transferring a copy.
-
- 2. You may modify your copy or copies of Ghostscript or any portion of
-it, and copy and distribute such modifications under the terms of
-Paragraph 1 above, provided that you also do the following:
-
- a) cause the modified files to carry prominent notices stating
- that you changed the files and the date of any change; and
-
- b) cause the whole of any work that you distribute or publish,
- that in whole or in part contains or is a derivative of Ghostscript
- or any part thereof, to be licensed at no charge to all third
- parties on terms identical to those contained in this License
- Agreement (except that you may choose to grant more extensive
- warranty protection to some or all third parties, at your option).
-
- c) You may charge a distribution fee for the physical act of
- transferring a copy, and you may at your option offer warranty
- protection in exchange for a fee.
-
-Mere aggregation of another unrelated program with this program (or its
-derivative) on a volume of a storage or distribution medium does not bring
-the other program under the scope of these terms.
-
- 3. You may copy and distribute Ghostscript (or a portion or derivative
-of it, under Paragraph 2) in object code or executable form under the
-terms of Paragraphs 1 and 2 above provided that you also do one of the
-following:
-
- a) accompany it with the complete corresponding machine-readable
- source code, which must be distributed under the terms of
- Paragraphs 1 and 2 above; or,
-
- b) accompany it with a written offer, valid for at least three
- years, to give any third party free (except for a nominal
- shipping charge) a complete machine-readable copy of the
- corresponding source code, to be distributed under the terms of
- Paragraphs 1 and 2 above; or,
-
- c) accompany it with the information you received as to where the
- corresponding source code may be obtained. (This alternative is
- allowed only for noncommercial distribution and only if you
- received the program in object code or executable form alone.)
-
-For an executable file, complete source code means all the source code for
-all modules it contains; but, as a special exception, it need not include
-source code for modules which are standard libraries that accompany the
-operating system on which the executable file runs.
-
- 4. You may not copy, sublicense, distribute or transfer Ghostscript
-except as expressly provided under this License Agreement. Any attempt
-otherwise to copy, sublicense, distribute or transfer Ghostscript is
-void and your rights to use the program under this License agreement
-shall be automatically terminated. However, parties who have received
-computer software programs from you with this License Agreement will not
-have their licenses terminated so long as such parties remain in full
-compliance.
-
- 5. If you wish to incorporate parts of Ghostscript into other free
-programs whose distribution conditions are different, write to the Free
-Software Foundation at 675 Mass Ave, Cambridge, MA 02139. We have not
-yet worked out a simple rule that can be stated here, but we will often
-permit this. We will be guided by the two goals of preserving the free
-status of all derivatives of our free software and of promoting the
-sharing and reuse of software.
-
-Your comments and suggestions about our licensing policies and our
-software are welcome! Please contact the Free Software Foundation,
-Inc., 675 Mass Ave, Cambridge, MA 02139, or call (617) 876-3296.
-
- NO WARRANTY
-
- BECAUSE GHOSTSCRIPT IS LICENSED FREE OF CHARGE, WE PROVIDE ABSOLUTELY
-NO WARRANTY, TO THE EXTENT PERMITTED BY APPLICABLE STATE LAW. EXCEPT
-WHEN OTHERWISE STATED IN WRITING, FREE SOFTWARE FOUNDATION, INC, RICHARD
-M. STALLMAN, ALADDIN ENTERPRISES, L. PETER DEUTSCH, AND/OR OTHER PARTIES
-PROVIDE GHOSTSCRIPT "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER
-EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
-ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF GHOSTSCRIPT IS WITH
-YOU. SHOULD GHOSTSCRIPT PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL
-NECESSARY SERVICING, REPAIR OR CORRECTION.
-
- IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW WILL RICHARD M.
-STALLMAN, THE FREE SOFTWARE FOUNDATION, INC., L. PETER DEUTSCH, ALADDIN
-ENTERPRISES, AND/OR ANY OTHER PARTY WHO MAY MODIFY AND REDISTRIBUTE
-GHOSTSCRIPT AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING
-ANY LOST PROFITS, LOST MONIES, OR OTHER SPECIAL, INCIDENTAL OR
-CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE
-(INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED
-INACCURATE OR LOSSES SUSTAINED BY THIRD PARTIES OR A FAILURE OF THE
-PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS) GHOSTSCRIPT, EVEN IF YOU
-HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES, OR FOR ANY CLAIM
-BY ANY OTHER PARTY.
-
--------------------- End of file COPYING ------------------------------
-*/
-
-
-#include <stdio.h>
-#include <ctype.h>
-
-#ifdef BSD
-#include <strings.h>
-#else
-#ifdef VMS
- extern int strlen(), strncmp();
-#else
-#include <string.h>
-#endif
-#endif
-
-/* malloc and free should be declared in stdlib.h, */
-/* but if you've got a K&R compiler, they probably aren't. */
-#ifdef MSDOS
-#include <malloc.h>
-#else
-#ifdef VMS
- extern char *malloc();
- extern void free();
-#else
- extern char *malloc();
- extern int free();
-#endif
-#endif
-
-/* Usage:
- ansi2knr input_file [output_file]
- * If no output_file is supplied, output goes to stdout.
- * There are no error messages.
- *
- * ansi2knr recognizes functions by seeing a non-keyword identifier
- * at the left margin, followed by a left parenthesis,
- * with a right parenthesis as the last character on the line.
- * It will recognize a multi-line header provided that the last character
- * of the last line of the header is a right parenthesis,
- * and no intervening line ends with a left brace or a semicolon.
- * These algorithms ignore whitespace and comments, except that
- * the function name must be the first thing on the line.
- * The following constructs will confuse it:
- * - Any other construct that starts at the left margin and
- * follows the above syntax (such as a macro or function call).
- * - Macros that tinker with the syntax of the function header.
- */
-
-/* Scanning macros */
-#define isidchar(ch) (isalnum(ch) || (ch) == '_')
-#define isidfirstchar(ch) (isalpha(ch) || (ch) == '_')
-
-/* Forward references */
-char *skipspace();
-int writeblanks();
-int test1();
-int convert1();
-
-/* The main program */
-main(argc, argv)
- int argc;
- char *argv[];
-{ FILE *in, *out;
-#define bufsize 5000 /* arbitrary size */
- char *buf;
- char *line;
- switch ( argc )
- {
- default:
- printf("Usage: ansi2knr input_file [output_file]\n");
- exit(0);
- case 2:
- out = stdout; break;
- case 3:
- out = fopen(argv[2], "w");
- if ( out == NULL )
- { fprintf(stderr, "Cannot open %s\n", argv[2]);
- exit(1);
- }
- }
- in = fopen(argv[1], "r");
- if ( in == NULL )
- { fprintf(stderr, "Cannot open %s\n", argv[1]);
- exit(1);
- }
- fprintf(out, "#line 1 \"%s\"\n", argv[1]);
- buf = malloc(bufsize);
- line = buf;
- while ( fgets(line, (unsigned)(buf + bufsize - line), in) != NULL )
- { switch ( test1(buf) )
- {
- case 1: /* a function */
- convert1(buf, out);
- break;
- case -1: /* maybe the start of a function */
- line = buf + strlen(buf);
- if ( line != buf + (bufsize - 1) ) /* overflow check */
- continue;
- /* falls through */
- default: /* not a function */
- fputs(buf, out);
- break;
- }
- line = buf;
- }
- if ( line != buf ) fputs(buf, out);
- free(buf);
- fclose(out);
- fclose(in);
- return 0;
-}
-
-/* Skip over space and comments, in either direction. */
-char *
-skipspace(p, dir)
- register char *p;
- register int dir; /* 1 for forward, -1 for backward */
-{ for ( ; ; )
- { while ( isspace(*p) ) p += dir;
- if ( !(*p == '/' && p[dir] == '*') ) break;
- p += dir; p += dir;
- while ( !(*p == '*' && p[dir] == '/') )
- { if ( *p == 0 ) return p; /* multi-line comment?? */
- p += dir;
- }
- p += dir; p += dir;
- }
- return p;
-}
-
-/*
- * Write blanks over part of a string.
- */
-int
-writeblanks(start, end)
- char *start;
- char *end;
-{ char *p;
- for ( p = start; p < end; p++ ) *p = ' ';
- return 0;
-}
-
-/*
- * Test whether the string in buf is a function definition.
- * The string may contain and/or end with a newline.
- * Return as follows:
- * 0 - definitely not a function definition;
- * 1 - definitely a function definition;
- * -1 - may be the beginning of a function definition,
- * append another line and look again.
- */
-int
-test1(buf)
- char *buf;
-{ register char *p = buf;
- char *bend;
- char *endfn;
- int contin;
- if ( !isidfirstchar(*p) )
- return 0; /* no name at left margin */
- bend = skipspace(buf + strlen(buf) - 1, -1);
- switch ( *bend )
- {
- case ')': contin = 1; break;
- case '{':
- case ';': return 0; /* not a function */
- default: contin = -1;
- }
- while ( isidchar(*p) ) p++;
- endfn = p;
- p = skipspace(p, 1);
- if ( *p++ != '(' )
- return 0; /* not a function */
- p = skipspace(p, 1);
- if ( *p == ')' )
- return 0; /* no parameters */
- /* Check that the apparent function name isn't a keyword. */
- /* We only need to check for keywords that could be followed */
- /* by a left parenthesis (which, unfortunately, is most of them). */
- { static char *words[] =
- { "asm", "auto", "case", "char", "const", "double",
- "extern", "float", "for", "if", "int", "long",
- "register", "return", "short", "signed", "sizeof",
- "static", "switch", "typedef", "unsigned",
- "void", "volatile", "while", 0
- };
- char **key = words;
- char *kp;
- int len = endfn - buf;
- while ( (kp = *key) != 0 )
- { if ( strlen(kp) == len && !strncmp(kp, buf, len) )
- return 0; /* name is a keyword */
- key++;
- }
- }
- return contin;
-}
-
-int
-convert1(buf, out)
- char *buf;
- FILE *out;
-{ char *endfn;
- register char *p;
- char **breaks;
- unsigned num_breaks = 2; /* for testing */
- char **btop;
- char **bp;
- char **ap;
- /* Pre-ANSI implementations don't agree on whether strchr */
- /* is called strchr or index, so we open-code it here. */
- for ( endfn = buf; *(endfn++) != '('; ) ;
-top: p = endfn;
- breaks = (char **)malloc(sizeof(char *) * num_breaks * 2);
- if ( breaks == 0 )
- { /* Couldn't allocate break table, give up */
- fprintf(stderr, "Unable to allocate break table!\n");
- fputs(buf, out);
- return -1;
- }
- btop = breaks + num_breaks * 2 - 2;
- bp = breaks;
- /* Parse the argument list */
- do
- { int level = 0;
- char *end = NULL;
- if ( bp >= btop )
- { /* Filled up break table. */
- /* Allocate a bigger one and start over. */
- free((char *)breaks);
- num_breaks <<= 1;
- goto top;
- }
- *bp++ = p;
- /* Find the end of the argument */
- for ( ; end == NULL; p++ )
- { switch(*p)
- {
- case ',': if ( !level ) end = p; break;
- case '(': level++; break;
- case ')': if ( --level < 0 ) end = p; break;
- case '/': p = skipspace(p, 1) - 1; break;
- default: ;
- }
- }
- p--; /* back up over terminator */
- /* Find the name being declared. */
- /* This is complicated because of procedure and */
- /* array modifiers. */
- for ( ; ; )
- { p = skipspace(p - 1, -1);
- switch ( *p )
- {
- case ']': /* skip array dimension(s) */
- case ')': /* skip procedure args OR name */
- { int level = 1;
- while ( level )
- switch ( *--p )
- {
- case ']': case ')': level++; break;
- case '[': case '(': level--; break;
- case '/': p = skipspace(p, -1) + 1; break;
- default: ;
- }
- }
- if ( *p == '(' && *skipspace(p + 1, 1) == '*' )
- { /* We found the name being declared */
- while ( !isidfirstchar(*p) )
- p = skipspace(p, 1) + 1;
- goto found;
- }
- break;
- default: goto found;
- }
- }
-found: if ( *p == '.' && p[-1] == '.' && p[-2] == '.' )
- { p++;
- if ( bp == breaks + 1 ) /* sole argument */
- writeblanks(breaks[0], p);
- else
- writeblanks(bp[-1] - 1, p);
- bp--;
- }
- else
- { while ( isidchar(*p) ) p--;
- *bp++ = p+1;
- }
- p = end;
- }
- while ( *p++ == ',' );
- *bp = p;
- /* Make a special check for 'void' arglist */
- if ( bp == breaks+2 )
- { p = skipspace(breaks[0], 1);
- if ( !strncmp(p, "void", 4) )
- { p = skipspace(p+4, 1);
- if ( p == breaks[2] - 1 )
- { bp = breaks; /* yup, pretend arglist is empty */
- writeblanks(breaks[0], p + 1);
- }
- }
- }
- /* Put out the function name */
- p = buf;
- while ( p != endfn ) putc(*p, out), p++;
- /* Put out the declaration */
- for ( ap = breaks+1; ap < bp; ap += 2 )
- { p = *ap;
- while ( isidchar(*p) ) putc(*p, out), p++;
- if ( ap < bp - 1 ) fputs(", ", out);
- }
- fputs(") ", out);
- /* Put out the argument declarations */
- for ( ap = breaks+2; ap <= bp; ap += 2 ) (*ap)[-1] = ';';
- fputs(breaks[0], out);
- free((char *)breaks);
- return 0;
-}
diff --git a/jpeg/cderror.h b/jpeg/cderror.h
deleted file mode 100644
index 6479a4d6d4..0000000000
--- a/jpeg/cderror.h
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
- * cderror.h
- *
- * Copyright (C) 1994, Thomas G. Lane.
- * This file is part of the Independent JPEG Group's software.
- * For conditions of distribution and use, see the accompanying README file.
- *
- * This file defines the error and message codes for the cjpeg/djpeg
- * applications. These strings are not needed as part of the JPEG library
- * proper.
- * Edit this file to add new codes, or to translate the message strings to
- * some other language.
- */
-
-
-/* To define the enum list of message codes, include this file without
- * defining JMAKE_MSG_TABLE. To create the message string table, include it
- * again with JMAKE_MSG_TABLE defined (this should be done in just one module).
- */
-
-#ifdef JMAKE_MSG_TABLE
-
-#ifdef NEED_SHORT_EXTERNAL_NAMES
-#define addon_message_table cdMsgTable
-#endif
-
-const char * const addon_message_table[] = {
-
-#define JMESSAGE(code,string) string ,
-
-#else /* not JMAKE_MSG_TABLE */
-
-typedef enum {
-
-#define JMESSAGE(code,string) code ,
-
-#endif /* JMAKE_MSG_TABLE */
-
-JMESSAGE(JMSG_FIRSTADDONCODE=1000, NULL) /* Must be first entry! */
-
-#ifdef BMP_SUPPORTED
-JMESSAGE(JERR_BMP_BADCMAP, "Unsupported BMP colormap format")
-JMESSAGE(JERR_BMP_BADDEPTH, "Only 8- and 24-bit BMP files are supported")
-JMESSAGE(JERR_BMP_BADHEADER, "Invalid BMP file: bad header length")
-JMESSAGE(JERR_BMP_BADPLANES, "Invalid BMP file: biPlanes not equal to 1")
-JMESSAGE(JERR_BMP_COLORSPACE, "BMP output must be grayscale or RGB")
-JMESSAGE(JERR_BMP_COMPRESSED, "Sorry, compressed BMPs not yet supported")
-JMESSAGE(JERR_BMP_NOT, "Not a BMP file - does not start with BM")
-JMESSAGE(JTRC_BMP, "%ux%u 24-bit BMP image")
-JMESSAGE(JTRC_BMP_MAPPED, "%ux%u 8-bit colormapped BMP image")
-JMESSAGE(JTRC_BMP_OS2, "%ux%u 24-bit OS2 BMP image")
-JMESSAGE(JTRC_BMP_OS2_MAPPED, "%ux%u 8-bit colormapped OS2 BMP image")
-#endif /* BMP_SUPPORTED */
-
-#ifdef GIF_SUPPORTED
-JMESSAGE(JERR_GIF_BUG, "GIF output got confused")
-JMESSAGE(JERR_GIF_CODESIZE, "Bogus GIF codesize %d")
-JMESSAGE(JERR_GIF_COLORSPACE, "GIF output must be grayscale or RGB")
-JMESSAGE(JERR_GIF_IMAGENOTFOUND, "Too few images in GIF file")
-JMESSAGE(JERR_GIF_NOT, "Not a GIF file")
-JMESSAGE(JTRC_GIF, "%ux%ux%d GIF image")
-JMESSAGE(JTRC_GIF_BADVERSION,
- "Warning: unexpected GIF version number '%c%c%c'")
-JMESSAGE(JTRC_GIF_EXTENSION, "Ignoring GIF extension block of type 0x%02x")
-JMESSAGE(JTRC_GIF_NONSQUARE, "Caution: nonsquare pixels in input")
-JMESSAGE(JWRN_GIF_BADDATA, "Corrupt data in GIF file")
-JMESSAGE(JWRN_GIF_CHAR, "Bogus char 0x%02x in GIF file, ignoring")
-JMESSAGE(JWRN_GIF_ENDCODE, "Premature end of GIF image")
-JMESSAGE(JWRN_GIF_NOMOREDATA, "Ran out of GIF bits")
-#endif /* GIF_SUPPORTED */
-
-#ifdef PPM_SUPPORTED
-JMESSAGE(JERR_PPM_COLORSPACE, "PPM output must be grayscale or RGB")
-JMESSAGE(JERR_PPM_NONNUMERIC, "Nonnumeric data in PPM file")
-JMESSAGE(JERR_PPM_NOT, "Not a PPM file")
-JMESSAGE(JTRC_PGM, "%ux%u PGM image")
-JMESSAGE(JTRC_PGM_TEXT, "%ux%u text PGM image")
-JMESSAGE(JTRC_PPM, "%ux%u PPM image")
-JMESSAGE(JTRC_PPM_TEXT, "%ux%u text PPM image")
-#endif /* PPM_SUPPORTED */
-
-#ifdef RLE_SUPPORTED
-JMESSAGE(JERR_RLE_BADERROR, "Bogus error code from RLE library")
-JMESSAGE(JERR_RLE_COLORSPACE, "RLE output must be grayscale or RGB")
-JMESSAGE(JERR_RLE_DIMENSIONS, "Image dimensions (%ux%u) too large for RLE")
-JMESSAGE(JERR_RLE_EMPTY, "Empty RLE file")
-JMESSAGE(JERR_RLE_EOF, "Premature EOF in RLE header")
-JMESSAGE(JERR_RLE_MEM, "Insufficient memory for RLE header")
-JMESSAGE(JERR_RLE_NOT, "Not an RLE file")
-JMESSAGE(JERR_RLE_TOOMANYCHANNELS, "Cannot handle %d output channels for RLE")
-JMESSAGE(JERR_RLE_UNSUPPORTED, "Cannot handle this RLE setup")
-JMESSAGE(JTRC_RLE, "%ux%u full-color RLE file")
-JMESSAGE(JTRC_RLE_FULLMAP, "%ux%u full-color RLE file with map of length %d")
-JMESSAGE(JTRC_RLE_GRAY, "%ux%u grayscale RLE file")
-JMESSAGE(JTRC_RLE_MAPGRAY, "%ux%u grayscale RLE file with map of length %d")
-JMESSAGE(JTRC_RLE_MAPPED, "%ux%u colormapped RLE file with map of length %d")
-#endif /* RLE_SUPPORTED */
-
-#ifdef TARGA_SUPPORTED
-JMESSAGE(JERR_TGA_BADCMAP, "Unsupported Targa colormap format")
-JMESSAGE(JERR_TGA_BADPARMS, "Invalid or unsupported Targa file")
-JMESSAGE(JERR_TGA_COLORSPACE, "Targa output must be grayscale or RGB")
-JMESSAGE(JTRC_TGA, "%ux%u RGB Targa image")
-JMESSAGE(JTRC_TGA_GRAY, "%ux%u grayscale Targa image")
-JMESSAGE(JTRC_TGA_MAPPED, "%ux%u colormapped Targa image")
-#else
-JMESSAGE(JERR_TGA_NOTCOMP, "Targa support was not compiled")
-#endif /* TARGA_SUPPORTED */
-
-JMESSAGE(JERR_BAD_CMAP_FILE,
- "Color map file is invalid or of unsupported format")
-JMESSAGE(JERR_TOO_MANY_COLORS,
- "Output file format cannot handle %d colormap entries")
-JMESSAGE(JERR_UNGETC_FAILED, "ungetc failed")
-#ifdef TARGA_SUPPORTED
-JMESSAGE(JERR_UNKNOWN_FORMAT,
- "Unrecognized input file format --- perhaps you need -targa")
-#else
-JMESSAGE(JERR_UNKNOWN_FORMAT, "Unrecognized input file format")
-#endif
-JMESSAGE(JERR_UNSUPPORTED_FORMAT, "Unsupported output file format")
-
-#ifdef JMAKE_MSG_TABLE
-
- NULL
-};
-
-#else /* not JMAKE_MSG_TABLE */
-
- JMSG_LASTADDONCODE
-} ADDON_MESSAGE_CODE;
-
-#endif /* JMAKE_MSG_TABLE */
-
-#undef JMESSAGE
diff --git a/jpeg/cdjpeg.h b/jpeg/cdjpeg.h
deleted file mode 100644
index 35acc35543..0000000000
--- a/jpeg/cdjpeg.h
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- * cdjpeg.h
- *
- * Copyright (C) 1994, Thomas G. Lane.
- * This file is part of the Independent JPEG Group's software.
- * For conditions of distribution and use, see the accompanying README file.
- *
- * This file contains common declarations for the sample applications
- * cjpeg and djpeg. It is NOT used by the core JPEG library.
- */
-
-#define JPEG_CJPEG_DJPEG /* define proper options in jconfig.h */
-#define JPEG_INTERNAL_OPTIONS /* cjpeg.c,djpeg.c need to see xxx_SUPPORTED */
-#include "jinclude.h"
-#include "jpeglib.h"
-#include "jerror.h" /* get library error codes too */
-#include "cderror.h" /* get application-specific error codes */
-
-
-/*
- * Object interface for cjpeg's source file decoding modules
- */
-
-typedef struct cjpeg_source_struct * cjpeg_source_ptr;
-
-struct cjpeg_source_struct {
- JMETHOD(void, start_input, (j_compress_ptr cinfo,
- cjpeg_source_ptr sinfo));
- JMETHOD(JDIMENSION, get_pixel_rows, (j_compress_ptr cinfo,
- cjpeg_source_ptr sinfo));
- JMETHOD(void, finish_input, (j_compress_ptr cinfo,
- cjpeg_source_ptr sinfo));
-
- FILE *input_file;
-
- JSAMPARRAY buffer;
- JDIMENSION buffer_height;
-};
-
-
-/*
- * Object interface for djpeg's output file encoding modules
- */
-
-typedef struct djpeg_dest_struct * djpeg_dest_ptr;
-
-struct djpeg_dest_struct {
- /* start_output is called after jpeg_start_decompress finishes.
- * The color map will be ready at this time, if one is needed.
- */
- JMETHOD(void, start_output, (j_decompress_ptr cinfo,
- djpeg_dest_ptr dinfo));
- /* Emit the specified number of pixel rows from the buffer. */
- JMETHOD(void, put_pixel_rows, (j_decompress_ptr cinfo,
- djpeg_dest_ptr dinfo,
- JDIMENSION rows_supplied));
- /* Finish up at the end of the image. */
- JMETHOD(void, finish_output, (j_decompress_ptr cinfo,
- djpeg_dest_ptr dinfo));
-
- /* Target file spec; filled in by djpeg.c after object is created. */
- FILE * output_file;
-
- /* Output pixel-row buffer. Created by module init or start_output.
- * Width is cinfo->output_width * cinfo->output_components;
- * height is buffer_height.
- */
- JSAMPARRAY buffer;
- JDIMENSION buffer_height;
-};
-
-
-/*
- * cjpeg/djpeg may need to perform extra passes to convert to or from
- * the source/destination file format. The JPEG library does not know
- * about these passes, but we'd like them to be counted by the progress
- * monitor. We use an expanded progress monitor object to hold the
- * additional pass count.
- */
-
-struct cdjpeg_progress_mgr {
- struct jpeg_progress_mgr pub; /* fields known to JPEG library */
- int completed_extra_passes; /* extra passes completed */
- int total_extra_passes; /* total extra */
- /* last printed percentage stored here to avoid multiple printouts */
- int percent_done;
-};
-
-typedef struct cdjpeg_progress_mgr * cd_progress_ptr;
-
-
-/* Short forms of external names for systems with brain-damaged linkers. */
-
-#ifdef NEED_SHORT_EXTERNAL_NAMES
-#define jinit_read_bmp jIRdBMP
-#define jinit_write_bmp jIWrBMP
-#define jinit_read_gif jIRdGIF
-#define jinit_write_gif jIWrGIF
-#define jinit_read_ppm jIRdPPM
-#define jinit_write_ppm jIWrPPM
-#define jinit_read_rle jIRdRLE
-#define jinit_write_rle jIWrRLE
-#define jinit_read_targa jIRdTarga
-#define jinit_write_targa jIWrTarga
-#define read_color_map RdCMap
-#endif /* NEED_SHORT_EXTERNAL_NAMES */
-
-/* Module selection routines for I/O modules. */
-
-EXTERN cjpeg_source_ptr jinit_read_bmp JPP((j_compress_ptr cinfo));
-EXTERN djpeg_dest_ptr jinit_write_bmp JPP((j_decompress_ptr cinfo,
- boolean is_os2));
-EXTERN cjpeg_source_ptr jinit_read_gif JPP((j_compress_ptr cinfo));
-EXTERN djpeg_dest_ptr jinit_write_gif JPP((j_decompress_ptr cinfo));
-EXTERN cjpeg_source_ptr jinit_read_ppm JPP((j_compress_ptr cinfo));
-EXTERN djpeg_dest_ptr jinit_write_ppm JPP((j_decompress_ptr cinfo));
-EXTERN cjpeg_source_ptr jinit_read_rle JPP((j_compress_ptr cinfo));
-EXTERN djpeg_dest_ptr jinit_write_rle JPP((j_decompress_ptr cinfo));
-EXTERN cjpeg_source_ptr jinit_read_targa JPP((j_compress_ptr cinfo));
-EXTERN djpeg_dest_ptr jinit_write_targa JPP((j_decompress_ptr cinfo));
-
-/* Other global routines */
-
-EXTERN void read_color_map JPP((j_decompress_ptr cinfo, FILE * infile));
diff --git a/jpeg/change.log b/jpeg/change.log
deleted file mode 100644
index ac2bbea2b8..0000000000
--- a/jpeg/change.log
+++ /dev/null
@@ -1,39 +0,0 @@
-CHANGE LOG for Independent JPEG Group's JPEG software
-
-
-Version 5 24-Sep-94
---------------------
-
-Version 5 represents a nearly complete redesign and rewrite of the IJG
-software. Major user-visible changes include:
- * Automatic configuration simplifies installation for most Unix systems.
- * A range of speed vs. image quality tradeoffs are supported.
- This includes resizing of an image during decompression: scaling down
- by a factor of 1/2, 1/4, or 1/8 is handled very efficiently.
- * New programs rdjpgcom and wrjpgcom allow insertion and extraction
- of text comments in a JPEG file.
-
-The application programmer's interface to the library has changed completely.
-Notable improvements include:
- * We have eliminated the use of callback routines for handling the
- uncompressed image data. The application now sees the library as a
- set of routines that it calls to read or write image data on a
- scanline-by-scanline basis.
- * The application image data is represented in a conventional interleaved-
- pixel format, rather than as a separate array for each color channel.
- This can save a copying step in many programs.
- * The handling of compressed data has been cleaned up: the application can
- supply routines to source or sink the compressed data. It is possible to
- suspend processing on source/sink buffer overrun, although this is not
- supported in all operating modes.
- * All static state has been eliminated from the library, so that multiple
- instances of compression or decompression can be active concurrently.
- * JPEG abbreviated datastream formats are supported, ie, quantization and
- Huffman tables can be stored separately from the image data.
- * And not only that, but the documentation of the library has improved
- considerably!
-
-
-The last widely used release before the version 5 rewrite was version 4A of
-18-Feb-93. Change logs before that point have been discarded, since they
-are not of much interest after the rewrite.
diff --git a/jpeg/cjpeg.1 b/jpeg/cjpeg.1
deleted file mode 100644
index 80c21103a4..0000000000
--- a/jpeg/cjpeg.1
+++ /dev/null
@@ -1,280 +0,0 @@
-.TH CJPEG 1 "30 August 1994"
-.SH NAME
-cjpeg \- compress an image file to a JPEG file
-.SH SYNOPSIS
-.B cjpeg
-[
-.I options
-]
-[
-.I filename
-]
-.LP
-.SH DESCRIPTION
-.LP
-.B cjpeg
-compresses the named image file, or the standard input if no file is
-named, and produces a JPEG/JFIF file on the standard output.
-The currently supported input file formats are: PPM (PBMPLUS color
-format), PGM (PBMPLUS gray-scale format), BMP, GIF, Targa, and RLE (Utah Raster
-Toolkit format). (RLE is supported only if the URT library is available.)
-.SH OPTIONS
-All switch names may be abbreviated; for example,
-.B \-grayscale
-may be written
-.B \-gray
-or
-.BR \-gr .
-Most of the "basic" switches can be abbreviated to as little as one letter.
-Upper and lower case are equivalent (thus
-.B \-GIF
-is the same as
-.BR \-gif ).
-British spellings are also accepted (e.g.,
-.BR \-greyscale ),
-though for brevity these are not mentioned below.
-.PP
-The basic switches are:
-.TP
-.BI \-quality " N"
-Scale quantization tables to adjust image quality. Quality is 0 (worst) to
-100 (best); default is 75. (See below for more info.)
-.TP
-.B \-grayscale
-Create monochrome JPEG file from color input. Be sure to use this switch when
-compressing a grayscale GIF file, because
-.B cjpeg
-isn't bright enough to notice whether a GIF file uses only shades of gray.
-By saying
-.BR \-grayscale ,
-you'll get a smaller JPEG file that takes less time to process.
-.TP
-.B \-optimize
-Perform optimization of entropy encoding parameters. Without this, default
-encoding parameters are used.
-.B \-optimize
-usually makes the JPEG file a little smaller, but
-.B cjpeg
-runs somewhat slower and needs much more memory. Image quality and speed of
-decompression are unaffected by
-.BR \-optimize .
-.TP
-.B \-targa
-Input file is Targa format. Targa files that contain an "identification"
-field will not be automatically recognized by
-.BR cjpeg ;
-for such files you must specify
-.B \-targa
-to make
-.B cjpeg
-treat the input as Targa format.
-For most Targa files, you won't need this switch.
-.PP
-The
-.B \-quality
-switch lets you trade off compressed file size against quality of the
-reconstructed image: the higher the quality setting, the larger the JPEG file,
-and the closer the output image will be to the original input. Normally you
-want to use the lowest quality setting (smallest file) that decompresses into
-something visually indistinguishable from the original image. For this
-purpose the quality setting should be between 50 and 95; the default of 75 is
-often about right. If you see defects at
-.B \-quality
-75, then go up 5 or 10 counts at a time until you are happy with the output
-image. (The optimal setting will vary from one image to another.)
-.PP
-.B \-quality
-100 will generate a quantization table of all 1's, eliminating loss in the
-quantization step (but there is still information loss in subsampling, as well
-as roundoff error). This setting is mainly of interest for experimental
-purposes. Quality values above about 95 are
-.B not
-recommended for normal use; the compressed file size goes up dramatically for
-hardly any gain in output image quality.
-.PP
-In the other direction, quality values below 50 will produce very small files
-of low image quality. Settings around 5 to 10 might be useful in preparing an
-index of a large image library, for example. Try
-.B \-quality
-2 (or so) for some amusing Cubist effects. (Note: quality
-values below about 25 generate 2-byte quantization tables, which are
-considered optional in the JPEG standard.
-.B cjpeg
-emits a warning message when you give such a quality value, because some
-commercial JPEG programs may be unable to decode the resulting file. Use
-.B \-baseline
-if you need to ensure compatibility at low quality values.)
-.PP
-Switches for advanced users:
-.TP
-.B \-dct int
-Use integer DCT method (default).
-.TP
-.B \-dct fast
-Use fast integer DCT (less accurate).
-.TP
-.B \-dct float
-Use floating-point DCT method.
-The floating-point method is the most accurate, but will be the slowest unless
-your machine has very fast floating-point hardware. Also note that results of
-the floating-point method may vary slightly across machines, while the integer
-methods should give the same results everywhere. The fast integer method is
-much less accurate than the other two.
-.TP
-.BI \-restart " N"
-Emit a JPEG restart marker every N MCU rows, or every N MCU blocks if "B" is
-attached to the number.
-.B \-restart 0
-(the default) means no restart markers.
-.TP
-.BI \-smooth " N"
-Smooth the input image to eliminate dithering noise. N, ranging from 1 to
-100, indicates the strength of smoothing. 0 (the default) means no smoothing.
-.TP
-.BI \-maxmemory " N"
-Set limit for amount of memory to use in processing large images. Value is
-in thousands of bytes, or millions of bytes if "M" is attached to the
-number. For example,
-.B \-max 4m
-selects 4000000 bytes. If more space is needed, temporary files will be used.
-.TP
-.BI \-outfile " name"
-Send output image to the named file, not to standard output.
-.TP
-.B \-verbose
-Enable debug printout. More
-.BR \-v 's
-give more output. Also, version information is printed at startup.
-.TP
-.B \-debug
-Same as
-.BR \-verbose .
-.PP
-The
-.B \-restart
-option inserts extra markers that allow a JPEG decoder to resynchronize after
-a transmission error. Without restart markers, any damage to a compressed
-file will usually ruin the image from the point of the error to the end of the
-image; with restart markers, the damage is usually confined to the portion of
-the image up to the next restart marker. Of course, the restart markers
-occupy extra space. We recommend
-.B \-restart 1
-for images that will be transmitted across unreliable networks such as Usenet.
-.PP
-The
-.B \-smooth
-option filters the input to eliminate fine-scale noise. This is often useful
-when converting GIF files to JPEG: a moderate smoothing factor of 10 to 50
-gets rid of dithering patterns in the input file, resulting in a smaller JPEG
-file and a better-looking image. Too large a smoothing factor will visibly
-blur the image, however.
-.PP
-Switches for wizards:
-.TP
-.B \-arithmetic
-Use arithmetic coding rather than Huffman coding. (Not currently
-supported for legal reasons.)
-.TP
-.B \-baseline
-Force a baseline JPEG file to be generated. This clamps quantization values
-to 8 bits even at low quality settings.
-.TP
-.B \-nointerleave
-Generate noninterleaved JPEG file (not yet supported).
-.TP
-.BI \-qtables " file"
-Use the quantization tables given in the specified file. The file should
-contain one to four tables (64 values each) as plain text. Comments preceded
-by '#' may be included in the file. The tables are implicitly numbered
-0,1,etc. If
-.BI \-quality " N"
-is also specified, the values in the file are scaled according to
-.BR cjpeg 's
-quality scaling curve.
-.TP
-.BI \-qslots " N[,...]"
-Select which quantization table to use for each color component. By default,
-table 0 is used for luminance and table 1 for chrominance components.
-.TP
-.BI \-sample " HxV[,...]"
-Set JPEG sampling factors. If you specify fewer H/V pairs than there are
-components, the remaining components are set to 1x1 sampling. The default
-setting is equivalent to \fB\-sample 2x2\fR.
-.PP
-The "wizard" switches are intended for experimentation with JPEG. If you
-don't know what you are doing, \fBdon't use them\fR. You can easily produce
-files with worse image quality and/or poorer compression than you'll get from
-the default settings. Furthermore, these switches should not be used when
-making files intended for general use, because not all JPEG implementations
-will support unusual JPEG parameter settings.
-.SH EXAMPLES
-.LP
-This example compresses the PPM file foo.ppm with a quality factor of
-60 and saves the output as foo.jpg:
-.IP
-.B cjpeg \-quality
-.I 60 foo.ppm
-.B >
-.I foo.jpg
-.SH HINTS
-Color GIF files are not the ideal input for JPEG; JPEG is really intended for
-compressing full-color (24-bit) images. In particular, don't try to convert
-cartoons, line drawings, and other images that have only a few distinct
-colors. GIF works great on these, JPEG does not. If you want to convert a
-GIF to JPEG, you should experiment with
-.BR cjpeg 's
-.B \-quality
-and
-.B \-smooth
-options to get a satisfactory conversion.
-.B \-smooth 10
-or so is often helpful.
-.PP
-Avoid running an image through a series of JPEG compression/decompression
-cycles. Image quality loss will accumulate; after ten or so cycles the image
-may be noticeably worse than it was after one cycle. It's best to use a
-lossless format while manipulating an image, then convert to JPEG format when
-you are ready to file the image away.
-.PP
-The
-.B \-optimize
-option to
-.B cjpeg
-is worth using when you are making a "final" version for posting or archiving.
-It's also a win when you are using low quality settings to make very small
-JPEG files; the percentage improvement is often a lot more than it is on
-larger files.
-.SH ENVIRONMENT
-.TP
-.B JPEGMEM
-If this environment variable is set, its value is the default memory limit.
-The value is specified as described for the
-.B \-maxmemory
-switch.
-.B JPEGMEM
-overrides the default value specified when the program was compiled, and
-itself is overridden by an explicit
-.BR \-maxmemory .
-.SH SEE ALSO
-.BR djpeg (1),
-.BR rdjpgcom (1),
-.BR wrjpgcom (1)
-.br
-.BR ppm (5),
-.BR pgm (5)
-.br
-Wallace, Gregory K. "The JPEG Still Picture Compression Standard",
-Communications of the ACM, April 1991 (vol. 34, no. 4), pp. 30-44.
-.SH AUTHOR
-Independent JPEG Group
-.SH BUGS
-Arithmetic coding is not supported for legal reasons.
-.PP
-Not all variants of BMP and Targa file formats are supported.
-.PP
-The
-.B \-targa
-switch is not a bug, it's a feature. (It would be a bug if the Targa format
-designers had not been clueless.)
-.PP
-Still not as fast as we'd like.
diff --git a/jpeg/cjpeg.c b/jpeg/cjpeg.c
deleted file mode 100644
index 33347f3f42..0000000000
--- a/jpeg/cjpeg.c
+++ /dev/null
@@ -1,877 +0,0 @@
-/*
- * cjpeg.c
- *
- * Copyright (C) 1991-1994, Thomas G. Lane.
- * This file is part of the Independent JPEG Group's software.
- * For conditions of distribution and use, see the accompanying README file.
- *
- * This file contains a command-line user interface for the JPEG compressor.
- * It should work on any system with Unix- or MS-DOS-style command lines.
- *
- * Two different command line styles are permitted, depending on the
- * compile-time switch TWO_FILE_COMMANDLINE:
- * cjpeg [options] inputfile outputfile
- * cjpeg [options] [inputfile]
- * In the second style, output is always to standard output, which you'd
- * normally redirect to a file or pipe to some other program. Input is
- * either from a named file or from standard input (typically redirected).
- * The second style is convenient on Unix but is unhelpful on systems that
- * don't support pipes. Also, you MUST use the first style if your system
- * doesn't do binary I/O to stdin/stdout.
- * To simplify script writing, the "-outfile" switch is provided. The syntax
- * cjpeg [options] -outfile outputfile inputfile
- * works regardless of which command line style is used.
- */
-
-#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */
-#define JMAKE_MSG_TABLE
-#include "cderror.h" /* create message string table */
-#include "jversion.h" /* for version message */
-
-#include <ctype.h> /* to declare isupper(), tolower() */
-#ifdef NEED_SIGNAL_CATCHER
-#include <signal.h> /* to declare signal() */
-#endif
-#ifdef USE_SETMODE
-#include <fcntl.h> /* to declare setmode()'s parameter macros */
-/* If you have setmode() but not <io.h>, just delete this line: */
-#include <io.h> /* to declare setmode() */
-#endif
-
-#ifdef USE_CCOMMAND /* command-line reader for Macintosh */
-#ifdef __MWERKS__
-#include <SIOUX.h> /* Metrowerks declares it here */
-#endif
-#ifdef THINK_C
-#include <console.h> /* Think declares it here */
-#endif
-#endif
-
-#ifdef DONT_USE_B_MODE /* define mode parameters for fopen() */
-#define READ_BINARY "r"
-#define WRITE_BINARY "w"
-#else
-#define READ_BINARY "rb"
-#define WRITE_BINARY "wb"
-#endif
-
-#ifndef EXIT_FAILURE /* define exit() codes if not provided */
-#define EXIT_FAILURE 1
-#endif
-#ifndef EXIT_SUCCESS
-#ifdef VMS
-#define EXIT_SUCCESS 1 /* VMS is very nonstandard */
-#else
-#define EXIT_SUCCESS 0
-#endif
-#endif
-#ifndef EXIT_WARNING
-#ifdef VMS
-#define EXIT_WARNING 1 /* VMS is very nonstandard */
-#else
-#define EXIT_WARNING 2
-#endif
-#endif
-
-
-/*
- * This routine determines what format the input file is,
- * and selects the appropriate input-reading module.
- *
- * To determine which family of input formats the file belongs to,
- * we may look only at the first byte of the file, since C does not
- * guarantee that more than one character can be pushed back with ungetc.
- * Looking at additional bytes would require one of these approaches:
- * 1) assume we can fseek() the input file (fails for piped input);
- * 2) assume we can push back more than one character (works in
- * some C implementations, but unportable);
- * 3) provide our own buffering (breaks input readers that want to use
- * stdio directly, such as the RLE library);
- * or 4) don't put back the data, and modify the input_init methods to assume
- * they start reading after the start of file (also breaks RLE library).
- * #1 is attractive for MS-DOS but is untenable on Unix.
- *
- * The most portable solution for file types that can't be identified by their
- * first byte is to make the user tell us what they are. This is also the
- * only approach for "raw" file types that contain only arbitrary values.
- * We presently apply this method for Targa files. Most of the time Targa
- * files start with 0x00, so we recognize that case. Potentially, however,
- * a Targa file could start with any byte value (byte 0 is the length of the
- * seldom-used ID field), so we provide a switch to force Targa input mode.
- */
-
-static boolean is_targa; /* records user -targa switch */
-
-
-LOCAL cjpeg_source_ptr
-select_file_type (j_compress_ptr cinfo, FILE * infile)
-{
- int c;
-
- if (is_targa) {
-#ifdef TARGA_SUPPORTED
- return jinit_read_targa(cinfo);
-#else
- ERREXIT(cinfo, JERR_TGA_NOTCOMP);
-#endif
- }
-
- if ((c = getc(infile)) == EOF)
- ERREXIT(cinfo, JERR_INPUT_EMPTY);
- if (ungetc(c, infile) == EOF)
- ERREXIT(cinfo, JERR_UNGETC_FAILED);
-
- switch (c) {
-#ifdef BMP_SUPPORTED
- case 'B':
- return jinit_read_bmp(cinfo);
-#endif
-#ifdef GIF_SUPPORTED
- case 'G':
- return jinit_read_gif(cinfo);
-#endif
-#ifdef PPM_SUPPORTED
- case 'P':
- return jinit_read_ppm(cinfo);
-#endif
-#ifdef RLE_SUPPORTED
- case 'R':
- return jinit_read_rle(cinfo);
-#endif
-#ifdef TARGA_SUPPORTED
- case 0x00:
- return jinit_read_targa(cinfo);
-#endif
- default:
- ERREXIT(cinfo, JERR_UNKNOWN_FORMAT);
- break;
- }
-
- return NULL; /* suppress compiler warnings */
-}
-
-
-/*
- * Signal catcher to ensure that temporary files are removed before aborting.
- * NB: for Amiga Manx C this is actually a global routine named _abort();
- * we put "#define signal_catcher _abort" in jconfig.h. Talk about bogus...
- */
-
-#ifdef NEED_SIGNAL_CATCHER
-
-static j_common_ptr sig_cinfo;
-
-GLOBAL void
-signal_catcher (int signum)
-{
- if (sig_cinfo != NULL) {
- if (sig_cinfo->err != NULL) /* turn off trace output */
- sig_cinfo->err->trace_level = 0;
- jpeg_destroy(sig_cinfo); /* clean up memory allocation & temp files */
- }
- exit(EXIT_FAILURE);
-}
-
-#endif
-
-
-/*
- * Optional routine to display a percent-done figure on stderr.
- */
-
-#ifdef PROGRESS_REPORT
-
-METHODDEF void
-progress_monitor (j_common_ptr cinfo)
-{
- cd_progress_ptr prog = (cd_progress_ptr) cinfo->progress;
- int total_passes = prog->pub.total_passes + prog->total_extra_passes;
- int percent_done = (int) (prog->pub.pass_counter*100L/prog->pub.pass_limit);
-
- if (percent_done != prog->percent_done) {
- prog->percent_done = percent_done;
- if (total_passes > 1) {
- fprintf(stderr, "\rPass %d/%d: %3d%% ",
- prog->pub.completed_passes + prog->completed_extra_passes + 1,
- total_passes, percent_done);
- } else {
- fprintf(stderr, "\r %3d%% ", percent_done);
- }
- fflush(stderr);
- }
-}
-
-#endif
-
-
-/*
- * Argument-parsing code.
- * The switch parser is designed to be useful with DOS-style command line
- * syntax, ie, intermixed switches and file names, where only the switches
- * to the left of a given file name affect processing of that file.
- * The main program in this file doesn't actually use this capability...
- */
-
-
-static const char * progname; /* program name for error messages */
-static char * outfilename; /* for -outfile switch */
-
-
-LOCAL void
-usage (void)
-/* complain about bad command line */
-{
- fprintf(stderr, "usage: %s [switches] ", progname);
-#ifdef TWO_FILE_COMMANDLINE
- fprintf(stderr, "inputfile outputfile\n");
-#else
- fprintf(stderr, "[inputfile]\n");
-#endif
-
- fprintf(stderr, "Switches (names may be abbreviated):\n");
- fprintf(stderr, " -quality N Compression quality (0..100; 5-95 is useful range)\n");
- fprintf(stderr, " -grayscale Create monochrome JPEG file\n");
-#ifdef ENTROPY_OPT_SUPPORTED
- fprintf(stderr, " -optimize Optimize Huffman table (smaller file, but slow compression)\n");
-#endif
-#ifdef TARGA_SUPPORTED
- fprintf(stderr, " -targa Input file is Targa format (usually not needed)\n");
-#endif
- fprintf(stderr, "Switches for advanced users:\n");
-#ifdef DCT_ISLOW_SUPPORTED
- fprintf(stderr, " -dct int Use integer DCT method%s\n",
- (JDCT_DEFAULT == JDCT_ISLOW ? " (default)" : ""));
-#endif
-#ifdef DCT_IFAST_SUPPORTED
- fprintf(stderr, " -dct fast Use fast integer DCT (less accurate)%s\n",
- (JDCT_DEFAULT == JDCT_IFAST ? " (default)" : ""));
-#endif
-#ifdef DCT_FLOAT_SUPPORTED
- fprintf(stderr, " -dct float Use floating-point DCT method%s\n",
- (JDCT_DEFAULT == JDCT_FLOAT ? " (default)" : ""));
-#endif
- fprintf(stderr, " -restart N Set restart interval in rows, or in blocks with B\n");
-#ifdef INPUT_SMOOTHING_SUPPORTED
- fprintf(stderr, " -smooth N Smooth dithered input (N=1..100 is strength)\n");
-#endif
- fprintf(stderr, " -maxmemory N Maximum memory to use (in kbytes)\n");
- fprintf(stderr, " -outfile name Specify name for output file\n");
- fprintf(stderr, " -verbose or -debug Emit debug output\n");
- fprintf(stderr, "Switches for wizards:\n");
-#ifdef C_ARITH_CODING_SUPPORTED
- fprintf(stderr, " -arithmetic Use arithmetic coding\n");
-#endif
- fprintf(stderr, " -baseline Force baseline output\n");
-#ifdef C_MULTISCAN_FILES_SUPPORTED
- fprintf(stderr, " -nointerleave Create noninterleaved JPEG file\n");
-#endif
- fprintf(stderr, " -qtables file Use quantization tables given in file\n");
- fprintf(stderr, " -qslots N[,...] Set component quantization tables\n");
- fprintf(stderr, " -sample HxV[,...] Set component sampling factors\n");
- exit(EXIT_FAILURE);
-}
-
-
-LOCAL boolean
-keymatch (char * arg, const char * keyword, int minchars)
-/* Case-insensitive matching of (possibly abbreviated) keyword switches. */
-/* keyword is the constant keyword (must be lower case already), */
-/* minchars is length of minimum legal abbreviation. */
-{
- register int ca, ck;
- register int nmatched = 0;
-
- while ((ca = *arg++) != '\0') {
- if ((ck = *keyword++) == '\0')
- return FALSE; /* arg longer than keyword, no good */
- if (isupper(ca)) /* force arg to lcase (assume ck is already) */
- ca = tolower(ca);
- if (ca != ck)
- return FALSE; /* no good */
- nmatched++; /* count matched characters */
- }
- /* reached end of argument; fail if it's too short for unique abbrev */
- if (nmatched < minchars)
- return FALSE;
- return TRUE; /* A-OK */
-}
-
-
-LOCAL int
-qt_getc (FILE * file)
-/* Read next char, skipping over any comments (# to end of line) */
-/* A comment/newline sequence is returned as a newline */
-{
- register int ch;
-
- ch = getc(file);
- if (ch == '#') {
- do {
- ch = getc(file);
- } while (ch != '\n' && ch != EOF);
- }
- return ch;
-}
-
-
-LOCAL long
-read_qt_integer (FILE * file)
-/* Read an unsigned decimal integer from a quantization-table file */
-/* Swallows one trailing character after the integer */
-{
- register int ch;
- register long val;
-
- /* Skip any leading whitespace, detect EOF */
- do {
- ch = qt_getc(file);
- if (ch == EOF)
- return EOF;
- } while (isspace(ch));
-
- if (! isdigit(ch)) {
- fprintf(stderr, "%s: bogus data in quantization file\n", progname);
- exit(EXIT_FAILURE);
- }
-
- val = ch - '0';
- while (ch = qt_getc(file), isdigit(ch)) {
- val *= 10;
- val += ch - '0';
- }
- return val;
-}
-
-
-LOCAL void
-read_quant_tables (j_compress_ptr cinfo, char * filename, int scale_factor,
- boolean force_baseline)
-/* Read a set of quantization tables from the specified file.
- * The file is plain ASCII text: decimal numbers with whitespace between.
- * Comments preceded by '#' may be included in the file.
- * There may be one to NUM_QUANT_TBLS tables in the file, each of 64 values.
- * The tables are implicitly numbered 0,1,etc.
- * NOTE: does not affect the qslots mapping, which will default to selecting
- * table 0 for luminance (or primary) components, 1 for chrominance components.
- * You must use -qslots if you want a different component->table mapping.
- */
-{
- /* ZIG[i] is the zigzag-order position of the i'th element of a DCT block */
- /* read in natural order (left to right, top to bottom). */
- static const int ZIG[DCTSIZE2] = {
- 0, 1, 5, 6, 14, 15, 27, 28,
- 2, 4, 7, 13, 16, 26, 29, 42,
- 3, 8, 12, 17, 25, 30, 41, 43,
- 9, 11, 18, 24, 31, 40, 44, 53,
- 10, 19, 23, 32, 39, 45, 52, 54,
- 20, 22, 33, 38, 46, 51, 55, 60,
- 21, 34, 37, 47, 50, 56, 59, 61,
- 35, 36, 48, 49, 57, 58, 62, 63
- };
- FILE * fp;
- int tblno, i;
- long val;
- unsigned int table[DCTSIZE2];
-
- if ((fp = fopen(filename, "r")) == NULL) {
- fprintf(stderr, "%s: can't open %s\n", progname, filename);
- exit(EXIT_FAILURE);
- }
- tblno = 0;
-
- while ((val = read_qt_integer(fp)) != EOF) { /* read 1st element of table */
- if (tblno >= NUM_QUANT_TBLS) {
- fprintf(stderr, "%s: too many tables in file %s\n", progname, filename);
- exit(EXIT_FAILURE);
- }
- table[0] = (unsigned int) val;
- for (i = 1; i < DCTSIZE2; i++) {
- if ((val = read_qt_integer(fp)) == EOF) {
- fprintf(stderr, "%s: incomplete table in file %s\n", progname, filename);
- exit(EXIT_FAILURE);
- }
- table[ZIG[i]] = (unsigned int) val;
- }
- jpeg_add_quant_table(cinfo, tblno, table, scale_factor, force_baseline);
- tblno++;
- }
-
- fclose(fp);
-}
-
-
-LOCAL void
-set_quant_slots (j_compress_ptr cinfo, char *arg)
-/* Process a quantization-table-selectors parameter string, of the form
- * N[,N,...]
- * If there are more components than parameters, the last value is replicated.
- */
-{
- int val = 0; /* default table # */
- int ci;
- char ch;
-
- for (ci = 0; ci < MAX_COMPONENTS; ci++) {
- if (*arg) {
- ch = ','; /* if not set by sscanf, will be ',' */
- if (sscanf(arg, "%d%c", &val, &ch) < 1)
- usage();
- if (ch != ',')
- usage(); /* syntax check */
- if (val < 0 || val >= NUM_QUANT_TBLS) {
- fprintf(stderr, "JPEG quantization tables are numbered 0..%d\n",
- NUM_QUANT_TBLS-1);
- exit(EXIT_FAILURE);
- }
- cinfo->comp_info[ci].quant_tbl_no = val;
- while (*arg && *arg++ != ',') /* advance to next segment of arg string */
- ;
- } else {
- /* reached end of parameter, set remaining components to last table */
- cinfo->comp_info[ci].quant_tbl_no = val;
- }
- }
-}
-
-
-LOCAL void
-set_sample_factors (j_compress_ptr cinfo, char *arg)
-/* Process a sample-factors parameter string, of the form
- * HxV[,HxV,...]
- * If there are more components than parameters, "1x1" is assumed.
- */
-{
- int ci, val1, val2;
- char ch1, ch2;
-
- for (ci = 0; ci < MAX_COMPONENTS; ci++) {
- if (*arg) {
- ch2 = ','; /* if not set by sscanf, will be ',' */
- if (sscanf(arg, "%d%c%d%c", &val1, &ch1, &val2, &ch2) < 3)
- usage();
- if ((ch1 != 'x' && ch1 != 'X') || ch2 != ',')
- usage(); /* syntax check */
- if (val1 <= 0 || val1 > 4 || val2 <= 0 || val2 > 4) {
- fprintf(stderr, "JPEG sampling factors must be 1..4\n");
- exit(EXIT_FAILURE);
- }
- cinfo->comp_info[ci].h_samp_factor = val1;
- cinfo->comp_info[ci].v_samp_factor = val2;
- while (*arg && *arg++ != ',') /* advance to next segment of arg string */
- ;
- } else {
- /* reached end of parameter, set remaining components to 1x1 sampling */
- cinfo->comp_info[ci].h_samp_factor = 1;
- cinfo->comp_info[ci].v_samp_factor = 1;
- }
- }
-}
-
-
-LOCAL int
-parse_switches (j_compress_ptr cinfo, int argc, char **argv,
- int last_file_arg_seen, boolean for_real)
-/* Parse optional switches.
- * Returns argv[] index of first file-name argument (== argc if none).
- * Any file names with indexes <= last_file_arg_seen are ignored;
- * they have presumably been processed in a previous iteration.
- * (Pass 0 for last_file_arg_seen on the first or only iteration.)
- * for_real is FALSE on the first (dummy) pass; we may skip any expensive
- * processing.
- */
-{
- int argn;
- char * arg;
- int quality; /* -quality parameter */
- int q_scale_factor; /* scaling percentage for -qtables */
- boolean force_baseline;
- char * qtablefile = NULL; /* saves -qtables filename if any */
- char * qslotsarg = NULL; /* saves -qslots parm if any */
- char * samplearg = NULL; /* saves -sample parm if any */
-
- /* Set up default JPEG parameters. */
- /* Note that default -quality level need not, and does not,
- * match the default scaling for an explicit -qtables argument.
- */
- quality = 75; /* default -quality value */
- q_scale_factor = 100; /* default to no scaling for -qtables */
- force_baseline = FALSE; /* by default, allow 16-bit quantizers */
- is_targa = FALSE;
- outfilename = NULL;
- cinfo->err->trace_level = 0;
-
- /* Scan command line options, adjust parameters */
-
- for (argn = 1; argn < argc; argn++) {
- arg = argv[argn];
- if (*arg != '-') {
- /* Not a switch, must be a file name argument */
- if (argn <= last_file_arg_seen) {
- outfilename = NULL; /* -outfile applies to just one input file */
- continue; /* ignore this name if previously processed */
- }
- break; /* else done parsing switches */
- }
- arg++; /* advance past switch marker character */
-
- if (keymatch(arg, "arithmetic", 1)) {
- /* Use arithmetic coding. */
-#ifdef C_ARITH_CODING_SUPPORTED
- cinfo->arith_code = TRUE;
-#else
- fprintf(stderr, "%s: sorry, arithmetic coding not supported\n",
- progname);
- exit(EXIT_FAILURE);
-#endif
-
- } else if (keymatch(arg, "baseline", 1)) {
- /* Force baseline output (8-bit quantizer values). */
- force_baseline = TRUE;
-
- } else if (keymatch(arg, "dct", 2)) {
- /* Select DCT algorithm. */
- if (++argn >= argc) /* advance to next argument */
- usage();
- if (keymatch(argv[argn], "int", 1)) {
- cinfo->dct_method = JDCT_ISLOW;
- } else if (keymatch(argv[argn], "fast", 2)) {
- cinfo->dct_method = JDCT_IFAST;
- } else if (keymatch(argv[argn], "float", 2)) {
- cinfo->dct_method = JDCT_FLOAT;
- } else
- usage();
-
- } else if (keymatch(arg, "debug", 1) || keymatch(arg, "verbose", 1)) {
- /* Enable debug printouts. */
- /* On first -d, print version identification */
- static boolean printed_version = FALSE;
-
- if (! printed_version) {
- fprintf(stderr, "Independent JPEG Group's CJPEG, version %s\n%s\n",
- JVERSION, JCOPYRIGHT);
- printed_version = TRUE;
- }
- cinfo->err->trace_level++;
-
- } else if (keymatch(arg, "grayscale", 2) || keymatch(arg, "greyscale",2)) {
- /* Force a monochrome JPEG file to be generated. */
- jpeg_set_colorspace(cinfo, JCS_GRAYSCALE);
-
- } else if (keymatch(arg, "maxmemory", 3)) {
- /* Maximum memory in Kb (or Mb with 'm'). */
- long lval;
- char ch = 'x';
-
- if (++argn >= argc) /* advance to next argument */
- usage();
- if (sscanf(argv[argn], "%ld%c", &lval, &ch) < 1)
- usage();
- if (ch == 'm' || ch == 'M')
- lval *= 1000L;
- cinfo->mem->max_memory_to_use = lval * 1000L;
-
- } else if (keymatch(arg, "nointerleave", 3)) {
- /* Create noninterleaved file. */
-#ifdef C_MULTISCAN_FILES_SUPPORTED
- cinfo->interleave = FALSE;
-#else
- fprintf(stderr, "%s: sorry, multiple-scan support was not compiled\n",
- progname);
- exit(EXIT_FAILURE);
-#endif
-
- } else if (keymatch(arg, "optimize", 1) || keymatch(arg, "optimise", 1)) {
- /* Enable entropy parm optimization. */
-#ifdef ENTROPY_OPT_SUPPORTED
- cinfo->optimize_coding = TRUE;
-#else
- fprintf(stderr, "%s: sorry, entropy optimization was not compiled\n",
- progname);
- exit(EXIT_FAILURE);
-#endif
-
- } else if (keymatch(arg, "outfile", 4)) {
- /* Set output file name. */
- if (++argn >= argc) /* advance to next argument */
- usage();
- outfilename = argv[argn]; /* save it away for later use */
-
- } else if (keymatch(arg, "quality", 1)) {
- /* Quality factor (quantization table scaling factor). */
- if (++argn >= argc) /* advance to next argument */
- usage();
- if (sscanf(argv[argn], "%d", &quality) != 1)
- usage();
- /* Change scale factor in case -qtables is present. */
- q_scale_factor = jpeg_quality_scaling(quality);
-
- } else if (keymatch(arg, "qslots", 2)) {
- /* Quantization table slot numbers. */
- if (++argn >= argc) /* advance to next argument */
- usage();
- qslotsarg = argv[argn];
- /* Must delay setting qslots until after we have processed any
- * colorspace-determining switches, since jpeg_set_colorspace sets
- * default quant table numbers.
- */
-
- } else if (keymatch(arg, "qtables", 2)) {
- /* Quantization tables fetched from file. */
- if (++argn >= argc) /* advance to next argument */
- usage();
- qtablefile = argv[argn];
- /* We postpone actually reading the file in case -quality comes later. */
-
- } else if (keymatch(arg, "restart", 1)) {
- /* Restart interval in MCU rows (or in MCUs with 'b'). */
- long lval;
- char ch = 'x';
-
- if (++argn >= argc) /* advance to next argument */
- usage();
- if (sscanf(argv[argn], "%ld%c", &lval, &ch) < 1)
- usage();
- if (lval < 0 || lval > 65535L)
- usage();
- if (ch == 'b' || ch == 'B') {
- cinfo->restart_interval = (unsigned int) lval;
- cinfo->restart_in_rows = 0; /* else prior '-restart n' overrides me */
- } else {
- cinfo->restart_in_rows = (int) lval;
- /* restart_interval will be computed during startup */
- }
-
- } else if (keymatch(arg, "sample", 2)) {
- /* Set sampling factors. */
- if (++argn >= argc) /* advance to next argument */
- usage();
- samplearg = argv[argn];
- /* Must delay setting sample factors until after we have processed any
- * colorspace-determining switches, since jpeg_set_colorspace sets
- * default sampling factors.
- */
-
- } else if (keymatch(arg, "smooth", 2)) {
- /* Set input smoothing factor. */
- int val;
-
- if (++argn >= argc) /* advance to next argument */
- usage();
- if (sscanf(argv[argn], "%d", &val) != 1)
- usage();
- if (val < 0 || val > 100)
- usage();
- cinfo->smoothing_factor = val;
-
- } else if (keymatch(arg, "targa", 1)) {
- /* Input file is Targa format. */
- is_targa = TRUE;
-
- } else {
- usage(); /* bogus switch */
- }
- }
-
- /* Post-switch-scanning cleanup */
-
- if (for_real) {
-
- /* Set quantization tables for selected quality. */
- /* Some or all may be overridden if -qtables is present. */
- jpeg_set_quality(cinfo, quality, force_baseline);
-
- if (qtablefile != NULL) /* process -qtables if it was present */
- read_quant_tables(cinfo, qtablefile, q_scale_factor, force_baseline);
-
- if (qslotsarg != NULL) /* process -qslots if it was present */
- set_quant_slots(cinfo, qslotsarg);
-
- if (samplearg != NULL) /* process -sample if it was present */
- set_sample_factors(cinfo, samplearg);
-
- }
-
- return argn; /* return index of next arg (file name) */
-}
-
-
-/*
- * The main program.
- */
-
-GLOBAL int
-main (int argc, char **argv)
-{
- struct jpeg_compress_struct cinfo;
- struct jpeg_error_mgr jerr;
-#ifdef PROGRESS_REPORT
- struct cdjpeg_progress_mgr progress;
-#endif
- int file_index;
- cjpeg_source_ptr src_mgr;
- FILE * input_file;
- FILE * output_file;
- JDIMENSION num_scanlines;
-
- /* On Mac, fetch a command line. */
-#ifdef USE_CCOMMAND
- argc = ccommand(&argv);
-#endif
-
- progname = argv[0];
- if (progname == NULL || progname[0] == 0)
- progname = "cjpeg"; /* in case C library doesn't provide it */
-
- /* Initialize the JPEG compression object with default error handling. */
- cinfo.err = jpeg_std_error(&jerr);
- jpeg_create_compress(&cinfo);
- /* Add some application-specific error messages (from cderror.h) */
- jerr.addon_message_table = addon_message_table;
- jerr.first_addon_message = JMSG_FIRSTADDONCODE;
- jerr.last_addon_message = JMSG_LASTADDONCODE;
-
- /* Now safe to enable signal catcher. */
-#ifdef NEED_SIGNAL_CATCHER
- sig_cinfo = (j_common_ptr) &cinfo;
- signal(SIGINT, signal_catcher);
-#ifdef SIGTERM /* not all systems have SIGTERM */
- signal(SIGTERM, signal_catcher);
-#endif
-#endif
-
- /* Initialize JPEG parameters.
- * Much of this may be overridden later.
- * In particular, we don't yet know the input file's color space,
- * but we need to provide some value for jpeg_set_defaults() to work.
- */
-
- cinfo.in_color_space = JCS_RGB; /* arbitrary guess */
- jpeg_set_defaults(&cinfo);
-
- /* Scan command line to find file names.
- * It is convenient to use just one switch-parsing routine, but the switch
- * values read here are ignored; we will rescan the switches after opening
- * the input file.
- */
-
- file_index = parse_switches(&cinfo, argc, argv, 0, FALSE);
-
-#ifdef TWO_FILE_COMMANDLINE
- /* Must have either -outfile switch or explicit output file name */
- if (outfilename == NULL) {
- if (file_index != argc-2) {
- fprintf(stderr, "%s: must name one input and one output file\n",
- progname);
- usage();
- }
- outfilename = argv[file_index+1];
- } else {
- if (file_index != argc-1) {
- fprintf(stderr, "%s: must name one input and one output file\n",
- progname);
- usage();
- }
- }
-#else
- /* Unix style: expect zero or one file name */
- if (file_index < argc-1) {
- fprintf(stderr, "%s: only one input file\n", progname);
- usage();
- }
-#endif /* TWO_FILE_COMMANDLINE */
-
- /* Open the input file. */
- if (file_index < argc) {
- if ((input_file = fopen(argv[file_index], READ_BINARY)) == NULL) {
- fprintf(stderr, "%s: can't open %s\n", progname, argv[file_index]);
- exit(EXIT_FAILURE);
- }
- } else {
- /* default input file is stdin */
-#ifdef USE_SETMODE /* need to hack file mode? */
- setmode(fileno(stdin), O_BINARY);
-#endif
-#ifdef USE_FDOPEN /* need to re-open in binary mode? */
- if ((input_file = fdopen(fileno(stdin), READ_BINARY)) == NULL) {
- fprintf(stderr, "%s: can't open stdin\n", progname);
- exit(EXIT_FAILURE);
- }
-#else
- input_file = stdin;
-#endif
- }
-
- /* Open the output file. */
- if (outfilename != NULL) {
- if ((output_file = fopen(outfilename, WRITE_BINARY)) == NULL) {
- fprintf(stderr, "%s: can't open %s\n", progname, outfilename);
- exit(EXIT_FAILURE);
- }
- } else {
- /* default output file is stdout */
-#ifdef USE_SETMODE /* need to hack file mode? */
- setmode(fileno(stdout), O_BINARY);
-#endif
-#ifdef USE_FDOPEN /* need to re-open in binary mode? */
- if ((output_file = fdopen(fileno(stdout), WRITE_BINARY)) == NULL) {
- fprintf(stderr, "%s: can't open stdout\n", progname);
- exit(EXIT_FAILURE);
- }
-#else
- output_file = stdout;
-#endif
- }
-
-#ifdef PROGRESS_REPORT
- /* Enable progress display, unless trace output is on */
- if (jerr.trace_level == 0) {
- progress.pub.progress_monitor = progress_monitor;
- progress.completed_extra_passes = 0;
- progress.total_extra_passes = 0;
- progress.percent_done = -1;
- cinfo.progress = &progress.pub;
- }
-#endif
-
- /* Figure out the input file format, and set up to read it. */
- src_mgr = select_file_type(&cinfo, input_file);
- src_mgr->input_file = input_file;
-
- /* Read the input file header to obtain file size & colorspace. */
- (*src_mgr->start_input) (&cinfo, src_mgr);
-
- /* Now that we know input colorspace, fix colorspace-dependent defaults */
- jpeg_default_colorspace(&cinfo);
-
- /* Adjust default compression parameters by re-parsing the options */
- file_index = parse_switches(&cinfo, argc, argv, 0, TRUE);
-
- /* Specify data destination for compression */
- jpeg_stdio_dest(&cinfo, output_file);
-
- /* Start compressor */
- jpeg_start_compress(&cinfo, TRUE);
-
- /* Process data */
- while (cinfo.next_scanline < cinfo.image_height) {
- num_scanlines = (*src_mgr->get_pixel_rows) (&cinfo, src_mgr);
- (void) jpeg_write_scanlines(&cinfo, src_mgr->buffer, num_scanlines);
- }
-
- /* Finish compression and release memory */
- (*src_mgr->finish_input) (&cinfo, src_mgr);
- jpeg_finish_compress(&cinfo);
- jpeg_destroy_compress(&cinfo);
-
-#ifdef PROGRESS_REPORT
- /* Clear away progress display */
- if (jerr.trace_level == 0) {
- fprintf(stderr, "\r \r");
- fflush(stderr);
- }
-#endif
-
- /* All done. */
- exit(jerr.num_warnings ? EXIT_WARNING : EXIT_SUCCESS);
- return 0; /* suppress no-return-value warnings */
-}
diff --git a/jpeg/ckconfig.c b/jpeg/ckconfig.c
deleted file mode 100644
index 34baf795b0..0000000000
--- a/jpeg/ckconfig.c
+++ /dev/null
@@ -1,402 +0,0 @@
-/*
- * ckconfig.c
- *
- * Copyright (C) 1991-1994, Thomas G. Lane.
- * This file is part of the Independent JPEG Group's software.
- * For conditions of distribution and use, see the accompanying README file.
- */
-
-/*
- * This program is intended to help you determine how to configure the JPEG
- * software for installation on a particular system. The idea is to try to
- * compile and execute this program. If your compiler fails to compile the
- * program, make changes as indicated in the comments below. Once you can
- * compile the program, run it, and it will produce a "jconfig.h" file for
- * your system.
- *
- * As a general rule, each time you try to compile this program,
- * pay attention only to the *first* error message you get from the compiler.
- * Many C compilers will issue lots of spurious error messages once they
- * have gotten confused. Go to the line indicated in the first error message,
- * and read the comments preceding that line to see what to change.
- *
- * Almost all of the edits you may need to make to this program consist of
- * changing a line that reads "#define SOME_SYMBOL" to "#undef SOME_SYMBOL",
- * or vice versa. This is called defining or undefining that symbol.
- */
-
-
-/* First we must see if your system has the include files we need.
- * We start out with the assumption that your system has all the ANSI-standard
- * include files. If you get any error trying to include one of these files,
- * undefine the corresponding HAVE_xxx symbol.
- */
-
-#define HAVE_STDDEF_H /* replace 'define' by 'undef' if error here */
-#ifdef HAVE_STDDEF_H /* next line will be skipped if you undef... */
-#include <stddef.h>
-#endif
-
-#define HAVE_STDLIB_H /* same thing for stdlib.h */
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-
-#include <stdio.h> /* If you ain't got this, you ain't got C. */
-
-/* We have to see if your string functions are defined by
- * strings.h (old BSD convention) or string.h (everybody else).
- * We try the non-BSD convention first; define NEED_BSD_STRINGS
- * if the compiler says it can't find string.h.
- */
-
-#undef NEED_BSD_STRINGS
-
-#ifdef NEED_BSD_STRINGS
-#include <strings.h>
-#else
-#include <string.h>
-#endif
-
-/* On some systems (especially older Unix machines), type size_t is
- * defined only in the include file <sys/types.h>. If you get a failure
- * on the size_t test below, try defining NEED_SYS_TYPES_H.
- */
-
-#undef NEED_SYS_TYPES_H /* start by assuming we don't need it */
-#ifdef NEED_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-
-
-/* Usually type size_t is defined in one of the include files we've included
- * above. If not, you'll get an error on the "typedef size_t my_size_t;" line.
- * In that case, first try defining NEED_SYS_TYPES_H just above.
- * If that doesn't work, you'll have to search through your system library
- * to figure out which include file defines "size_t". Look for a line that
- * says "typedef something-or-other size_t;". Then, change the line below
- * that says "#include <someincludefile.h>" to instead include the file
- * you found size_t in, and define NEED_SPECIAL_INCLUDE. If you can't find
- * type size_t anywhere, try replacing "#include <someincludefile.h>" with
- * "typedef unsigned int size_t;".
- */
-
-#undef NEED_SPECIAL_INCLUDE /* assume we DON'T need it, for starters */
-
-#ifdef NEED_SPECIAL_INCLUDE
-#include <someincludefile.h>
-#endif
-
-typedef size_t my_size_t; /* The payoff: do we have size_t now? */
-
-
-/* The next question is whether your compiler supports ANSI-style function
- * prototypes. You need to know this in order to choose between using
- * makefile.ansi and using makefile.unix.
- * The #define line below is set to assume you have ANSI function prototypes.
- * If you get an error in this group of lines, undefine HAVE_PROTOTYPES.
- */
-
-#define HAVE_PROTOTYPES
-
-#ifdef HAVE_PROTOTYPES
-int testfunction (int arg1, int * arg2); /* check prototypes */
-
-struct methods_struct { /* check method-pointer declarations */
- int (*error_exit) (char *msgtext);
- int (*trace_message) (char *msgtext);
- int (*another_method) (void);
-};
-
-int testfunction (int arg1, int * arg2) /* check definitions */
-{
- return arg2[arg1];
-}
-
-int test2function (void) /* check void arg list */
-{
- return 0;
-}
-#endif
-
-
-/* Now we want to find out if your compiler knows what "unsigned char" means.
- * If you get an error on the "unsigned char un_char;" line,
- * then undefine HAVE_UNSIGNED_CHAR.
- */
-
-#define HAVE_UNSIGNED_CHAR
-
-#ifdef HAVE_UNSIGNED_CHAR
-unsigned char un_char;
-#endif
-
-
-/* Now we want to find out if your compiler knows what "unsigned short" means.
- * If you get an error on the "unsigned short un_short;" line,
- * then undefine HAVE_UNSIGNED_SHORT.
- */
-
-#define HAVE_UNSIGNED_SHORT
-
-#ifdef HAVE_UNSIGNED_SHORT
-unsigned short un_short;
-#endif
-
-
-/* Now we want to find out if your compiler understands type "void".
- * If you get an error anywhere in here, undefine HAVE_VOID.
- */
-
-#define HAVE_VOID
-
-#ifdef HAVE_VOID
-/* Caution: a C++ compiler will insist on complete prototypes */
-typedef void * void_ptr; /* check void * */
-#ifdef HAVE_PROTOTYPES /* check ptr to function returning void */
-typedef void (*void_func) (int a, int b);
-#else
-typedef void (*void_func) ();
-#endif
-
-#ifdef HAVE_PROTOTYPES /* check void function result */
-void test3function (void_ptr arg1, void_func arg2)
-#else
-void test3function (arg1, arg2)
- void_ptr arg1;
- void_func arg2;
-#endif
-{
- char * locptr = (char *) arg1; /* check casting to and from void * */
- arg1 = (void *) locptr;
- (*arg2) (1, 2); /* check call of fcn returning void */
-}
-#endif
-
-
-/* Now we want to find out if your compiler knows what "const" means.
- * If you get an error here, undefine HAVE_CONST.
- */
-
-#define HAVE_CONST
-
-#ifdef HAVE_CONST
-static const int carray[3] = {1, 2, 3};
-
-#ifdef HAVE_PROTOTYPES
-int test4function (const int arg1)
-#else
-int test4function (arg1)
- const int arg1;
-#endif
-{
- return carray[arg1];
-}
-#endif
-
-
-/* If you get an error or warning about this structure definition,
- * define INCOMPLETE_TYPES_BROKEN.
- */
-
-#undef INCOMPLETE_TYPES_BROKEN
-
-#ifndef INCOMPLETE_TYPES_BROKEN
-typedef struct undefined_structure * undef_struct_ptr;
-#endif
-
-
-/* If you get an error about duplicate names,
- * define NEED_SHORT_EXTERNAL_NAMES.
- */
-
-#undef NEED_SHORT_EXTERNAL_NAMES
-
-#ifndef NEED_SHORT_EXTERNAL_NAMES
-
-int possibly_duplicate_function ()
-{
- return 0;
-}
-
-int possibly_dupli_function ()
-{
- return 1;
-}
-
-#endif
-
-
-
-/************************************************************************
- * OK, that's it. You should not have to change anything beyond this
- * point in order to compile and execute this program. (You might get
- * some warnings, but you can ignore them.)
- * When you run the program, it will make a couple more tests that it
- * can do automatically, and then it will create jconfig.h and print out
- * any additional suggestions it has.
- ************************************************************************
- */
-
-
-#ifdef HAVE_PROTOTYPES
-int is_char_signed (int arg)
-#else
-int is_char_signed (arg)
- int arg;
-#endif
-{
- if (arg == 189) { /* expected result for unsigned char */
- return 0; /* type char is unsigned */
- }
- else if (arg != -67) { /* expected result for signed char */
- printf("Hmm, it seems 'char' is not eight bits wide on your machine.\n");
- printf("I fear the JPEG software will not work at all.\n\n");
- }
- return 1; /* assume char is signed otherwise */
-}
-
-
-#ifdef HAVE_PROTOTYPES
-int is_shifting_signed (long arg)
-#else
-int is_shifting_signed (arg)
- long arg;
-#endif
-/* See whether right-shift on a long is signed or not. */
-{
- long res = arg >> 4;
-
- if (res == -0x7F7E80CL) { /* expected result for signed shift */
- return 1; /* right shift is signed */
- }
- /* see if unsigned-shift hack will fix it. */
- /* we can't just test exact value since it depends on width of long... */
- res |= (~0L) << (32-4);
- if (res == -0x7F7E80CL) { /* expected result now? */
- return 0; /* right shift is unsigned */
- }
- printf("Right shift isn't acting as I expect it to.\n");
- printf("I fear the JPEG software will not work at all.\n\n");
- return 0; /* try it with unsigned anyway */
-}
-
-
-#ifdef HAVE_PROTOTYPES
-int main (int argc, char ** argv)
-#else
-int main (argc, argv)
- int argc;
- char ** argv;
-#endif
-{
- char signed_char_check = (char) (-67);
- FILE *outfile;
-
- /* Attempt to write jconfig.h */
- if ((outfile = fopen("jconfig.h", "w")) == NULL) {
- printf("Failed to write jconfig.h\n");
- return 1;
- }
-
- /* Write out all the info */
- fprintf(outfile, "/* jconfig.h --- generated by ckconfig.c */\n");
- fprintf(outfile, "/* see jconfig.doc for explanations */\n\n");
-#ifdef HAVE_PROTOTYPES
- fprintf(outfile, "#define HAVE_PROTOTYPES\n");
-#else
- fprintf(outfile, "#undef HAVE_PROTOTYPES\n");
-#endif
-#ifdef HAVE_UNSIGNED_CHAR
- fprintf(outfile, "#define HAVE_UNSIGNED_CHAR\n");
-#else
- fprintf(outfile, "#undef HAVE_UNSIGNED_CHAR\n");
-#endif
-#ifdef HAVE_UNSIGNED_SHORT
- fprintf(outfile, "#define HAVE_UNSIGNED_SHORT\n");
-#else
- fprintf(outfile, "#undef HAVE_UNSIGNED_SHORT\n");
-#endif
-#ifdef HAVE_VOID
- fprintf(outfile, "/* #define void char */\n");
-#else
- fprintf(outfile, "#define void char\n");
-#endif
-#ifdef HAVE_CONST
- fprintf(outfile, "/* #define const */\n");
-#else
- fprintf(outfile, "#define const\n");
-#endif
- if (is_char_signed((int) signed_char_check))
- fprintf(outfile, "#undef CHAR_IS_UNSIGNED\n");
- else
- fprintf(outfile, "#define CHAR_IS_UNSIGNED\n");
-#ifdef HAVE_STDDEF_H
- fprintf(outfile, "#define HAVE_STDDEF_H\n");
-#else
- fprintf(outfile, "#undef HAVE_STDDEF_H\n");
-#endif
-#ifdef HAVE_STDLIB_H
- fprintf(outfile, "#define HAVE_STDLIB_H\n");
-#else
- fprintf(outfile, "#undef HAVE_STDLIB_H\n");
-#endif
-#ifdef NEED_BSD_STRINGS
- fprintf(outfile, "#define NEED_BSD_STRINGS\n");
-#else
- fprintf(outfile, "#undef NEED_BSD_STRINGS\n");
-#endif
-#ifdef NEED_SYS_TYPES_H
- fprintf(outfile, "#define NEED_SYS_TYPES_H\n");
-#else
- fprintf(outfile, "#undef NEED_SYS_TYPES_H\n");
-#endif
- fprintf(outfile, "#undef NEED_FAR_POINTERS\n");
-#ifdef NEED_SHORT_EXTERNAL_NAMES
- fprintf(outfile, "#define NEED_SHORT_EXTERNAL_NAMES\n");
-#else
- fprintf(outfile, "#undef NEED_SHORT_EXTERNAL_NAMES\n");
-#endif
-#ifdef INCOMPLETE_TYPES_BROKEN
- fprintf(outfile, "#define INCOMPLETE_TYPES_BROKEN\n");
-#else
- fprintf(outfile, "#undef INCOMPLETE_TYPES_BROKEN\n");
-#endif
- fprintf(outfile, "\n#ifdef JPEG_INTERNALS\n\n");
- if (is_shifting_signed(-0x7F7E80B1L))
- fprintf(outfile, "#undef RIGHT_SHIFT_IS_UNSIGNED\n");
- else
- fprintf(outfile, "#define RIGHT_SHIFT_IS_UNSIGNED\n");
- fprintf(outfile, "\n#endif /* JPEG_INTERNALS */\n");
- fprintf(outfile, "\n#ifdef JPEG_CJPEG_DJPEG\n\n");
- fprintf(outfile, "#define BMP_SUPPORTED /* BMP image file format */\n");
- fprintf(outfile, "#define GIF_SUPPORTED /* GIF image file format */\n");
- fprintf(outfile, "#define PPM_SUPPORTED /* PBMPLUS PPM/PGM image file format */\n");
- fprintf(outfile, "#undef RLE_SUPPORTED /* Utah RLE image file format */\n");
- fprintf(outfile, "#define TARGA_SUPPORTED /* Targa image file format */\n\n");
- fprintf(outfile, "#undef TWO_FILE_COMMANDLINE /* You may need this on non-Unix systems */\n");
- fprintf(outfile, "#undef NEED_SIGNAL_CATCHER /* Define this if you use jmemname.c */\n");
- fprintf(outfile, "#undef DONT_USE_B_MODE\n");
- fprintf(outfile, "/* #define PROGRESS_REPORT */ /* optional */\n");
- fprintf(outfile, "\n#endif /* JPEG_CJPEG_DJPEG */\n");
-
- /* Close the jconfig.h file */
- fclose(outfile);
-
- /* User report */
- printf("Configuration check for Independent JPEG Group's software done.\n");
- printf("\nI have written the jconfig.h file for you.\n\n");
-#ifdef HAVE_PROTOTYPES
- printf("You should use makefile.ansi as the starting point for your Makefile.\n");
-#else
- printf("You should use makefile.unix as the starting point for your Makefile.\n");
-#endif
-
-#ifdef NEED_SPECIAL_INCLUDE
- printf("\nYou'll need to change jconfig.h to include the system include file\n");
- printf("that you found type size_t in, or add a direct definition of type\n");
- printf("size_t if that's what you used. Just add it to the end.\n");
-#endif
-
- return 0;
-}
diff --git a/jpeg/coderules.doc b/jpeg/coderules.doc
deleted file mode 100644
index b28034eac2..0000000000
--- a/jpeg/coderules.doc
+++ /dev/null
@@ -1,118 +0,0 @@
-IJG JPEG LIBRARY: CODING RULES
-
-Copyright (C) 1991-1994, Thomas G. Lane.
-This file is part of the Independent JPEG Group's software.
-For conditions of distribution and use, see the accompanying README file.
-
-
-Since numerous people will be contributing code and bug fixes, it's important
-to establish a common coding style. The goal of using similar coding styles
-is much more important than the details of just what that style is.
-
-In general we follow the recommendations of "Recommended C Style and Coding
-Standards" revision 6.1 (Cannon et al. as modified by Spencer, Keppel and
-Brader). This document is available in the IJG FTP archive (see
-jpeg/doc/cstyle.ms.tbl.Z, or cstyle.txt.Z for those without nroff/tbl).
-
-Block comments should be laid out thusly:
-
-/*
- * Block comments in this style.
- */
-
-We indent statements in K&R style, e.g.,
- if (test) {
- then-part;
- } else {
- else-part;
- }
-with two spaces per indentation level. (This indentation convention is
-handled automatically by GNU Emacs and many other text editors.)
-
-Multi-word names should be written in lower case with underscores, e.g.,
-multi_word_name (not multiWordName). Preprocessor symbols and enum constants
-are similar but upper case (MULTI_WORD_NAME). Names should be unique within
-the first fifteen characters. (On some older systems, global names must be
-unique within six characters. We accommodate this without cluttering the
-source code by using macros to substitute shorter names.)
-
-We use function prototypes everywhere; we rely on automatic source code
-transformation to feed prototype-less C compilers. Transformation is done
-by the simple and portable tool 'ansi2knr.c' (courtesy of Ghostscript).
-ansi2knr is not very bright, so it imposes a format requirement on function
-declarations: the function name MUST BEGIN IN COLUMN 1. Thus all functions
-should be written in the following style:
-
-LOCAL int *
-function_name (int a, char *b)
-{
- code...
-}
-
-Note that each function definition is prefixed with GLOBAL, LOCAL, or
-METHODDEF. These macros expand to "static" or nothing as appropriate.
-They provide a readable indication of the routine's usage and can readily be
-changed for special needs. (For instance, all routines can be made global for
-use with debuggers or code profilers that require it.)
-
-ansi2knr does not transform method declarations (function pointers in
-structs). We handle these with a macro JMETHOD, defined as
- #ifdef HAVE_PROTOTYPES
- #define JMETHOD(type,methodname,arglist) type (*methodname) arglist
- #else
- #define JMETHOD(type,methodname,arglist) type (*methodname) ()
- #endif
-which is used like this:
- struct function_pointers {
- JMETHOD(void, init_entropy_encoder, (int somearg, jparms *jp));
- JMETHOD(void, term_entropy_encoder, (void));
- };
-Note the set of parentheses surrounding the parameter list.
-
-A similar solution is used for external function declarations (see the JPP
-macro).
-
-If the code is to work on non-ANSI compilers, we cannot rely on a prototype
-declaration to coerce actual parameters into the right types. Therefore, use
-explicit casts on actual parameters whenever the actual parameter type is not
-identical to the formal parameter. Beware of implicit conversions to "int".
-
-It seems there are some non-ANSI compilers in which the sizeof() operator
-is defined to return int, yet size_t is defined as long. Needless to say,
-this is brain-damaged. Always use the SIZEOF() macro in place of sizeof(),
-so that the result is guaranteed to be of type size_t.
-
-
-The JPEG library is intended to be used within larger programs. Furthermore,
-we want it to be reentrant so that it can be used by applications that process
-multiple images concurrently. The following rules support these requirements:
-
-1. Avoid direct use of file I/O, "malloc", error report printouts, etc;
-pass these through the common routines provided.
-
-2. Minimize global namespace pollution. Functions should be declared static
-wherever possible. (Note that our method-based calling conventions help this
-a lot: in many modules only the initialization function will ever need to be
-called directly, so only that function need be externally visible.) All
-global function names should begin with "jpeg_", and should have an
-abbreviated name (unique in the first six characters) substituted by macro
-when NEED_SHORT_EXTERNAL_NAMES is set.
-
-3. Don't use global variables; anything that must be used in another module
-should be in the common data structures.
-
-4. Don't use static variables except for read-only constant tables. Variables
-that should be private to a module can be placed into private structures (see
-the system architecture document, structure.doc).
-
-5. Source file names should begin with "j" for files that are part of the
-library proper; source files that are not part of the library, such as cjpeg.c
-and djpeg.c, do not begin with "j". Keep source file names to eight
-characters (plus ".c" or ".h", etc) to make life easy for MS-DOSers. Keep
-compression and decompression code in separate source files --- some
-applications may want only one half of the library.
-
-Note: these rules (particularly #4) are not followed religiously in the
-modules that are used in cjpeg/djpeg but are not part of the JPEG library
-proper. Those modules are not really intended to be used in other
-applications.
diff --git a/jpeg/coderules.doc.gz b/jpeg/coderules.doc.gz
deleted file mode 100644
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diff --git a/jpeg/config.status b/jpeg/config.status
deleted file mode 100644
index 8603493b8b..0000000000
--- a/jpeg/config.status
+++ /dev/null
@@ -1,155 +0,0 @@
-#!/bin/sh
-# Generated automatically by configure.
-# Run this file to recreate the current configuration.
-# This directory was configured as follows,
-# on host dogbert:
-#
-# ./configure
-
-for arg
-do
- case "$arg" in
- -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
- echo running ${CONFIG_SHELL-/bin/sh} ./configure
- exec ${CONFIG_SHELL-/bin/sh} ./configure ;;
- *) echo "Usage: config.status --recheck" 2>&1; exit 1 ;;
- esac
-done
-
-trap 'rm -fr Makefile jconfig.h conftest*; exit 1' 1 3 15
-CC='gcc'
-CPP='gcc -E'
-INSTALL='/usr/cluster/bin/install -c'
-INSTALL_PROGRAM='$(INSTALL)'
-INSTALL_DATA='$(INSTALL) -m 644'
-RANLIB='ranlib'
-MEMORYMGR='jmemnobs.o'
-ANSI2KNR=''
-ISANSICOM='# '
-ANSI2KNRFLAGS=''
-LIBS=''
-srcdir='.'
-prefix=''
-exec_prefix=''
-prsub=''
-extrasub=''
-
-top_srcdir=$srcdir
-
-CONFIG_FILES=${CONFIG_FILES-"Makefile"}
-for file in .. ${CONFIG_FILES}; do if test "x$file" != x..; then
- srcdir=$top_srcdir
- # Remove last slash and all that follows it. Not all systems have dirname.
- dir=`echo $file|sed 's%/[^/][^/]*$%%'`
- if test "$dir" != "$file"; then
- test "$top_srcdir" != . && srcdir=$top_srcdir/$dir
- test ! -d $dir && mkdir $dir
- fi
- echo creating $file
- rm -f $file
- echo "# Generated automatically from `echo $file|sed 's|.*/||'`.auto by configure." > $file
- sed -e "
-$prsub
-$extrasub
-s%@CC@%$CC%g
-s%@CPP@%$CPP%g
-s%@INSTALL@%$INSTALL%g
-s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
-s%@INSTALL_DATA@%$INSTALL_DATA%g
-s%@RANLIB@%$RANLIB%g
-s%@MEMORYMGR@%$MEMORYMGR%g
-s%@ANSI2KNR@%$ANSI2KNR%g
-s%@ISANSICOM@%$ISANSICOM%g
-s%@ANSI2KNRFLAGS@%$ANSI2KNRFLAGS%g
-s%@LIBS@%$LIBS%g
-s%@srcdir@%$srcdir%g
-s%@DEFS@%-DHAVE_CONFIG_H%" $top_srcdir/makefile.auto >> $file
-fi; done
-
-CONFIG_HEADERS=${CONFIG_HEADERS-"jconfig.h"}
-for file in .. ${CONFIG_HEADERS}; do if test "x$file" != x..; then
-echo creating $file
-
-# These sed commands are put into SEDDEFS when defining a macro.
-# They are broken into pieces to make the sed script easier to manage.
-# They are passed to sed as "A NAME B NAME C VALUE D", where NAME
-# is the cpp macro being defined and VALUE is the value it is being given.
-# Each defining turns into a single global substitution command.
-#
-# SEDd sets the value in "#define NAME VALUE" lines.
-SEDdA='s@^\([ ]*\)#\([ ]*define[ ][ ]*\)'
-SEDdB='\([ ][ ]*\)[^ ]*@\1#\2'
-SEDdC='\3'
-SEDdD='@g'
-# SEDu turns "#undef NAME" with trailing blanks into "#define NAME VALUE".
-SEDuA='s@^\([ ]*\)#\([ ]*\)undef\([ ][ ]*\)'
-SEDuB='\([ ]\)@\1#\2define\3'
-SEDuC=' '
-SEDuD='\4@g'
-# SEDe turns "#undef NAME" without trailing blanks into "#define NAME VALUE".
-SEDeA='s@^\([ ]*\)#\([ ]*\)undef\([ ][ ]*\)'
-SEDeB='$@\1#\2define\3'
-SEDeC=' '
-SEDeD='@g'
-rm -f conftest.sed
-cat >> conftest.sed <<CONFEOF
-${SEDdA}HAVE_PROTOTYPES${SEDdB}HAVE_PROTOTYPES${SEDdC}${SEDdD}
-${SEDuA}HAVE_PROTOTYPES${SEDuB}HAVE_PROTOTYPES${SEDuC}${SEDuD}
-${SEDeA}HAVE_PROTOTYPES${SEDeB}HAVE_PROTOTYPES${SEDeC}${SEDeD}
-${SEDdA}HAVE_STDDEF_H${SEDdB}HAVE_STDDEF_H${SEDdC}${SEDdD}
-${SEDuA}HAVE_STDDEF_H${SEDuB}HAVE_STDDEF_H${SEDuC}${SEDuD}
-${SEDeA}HAVE_STDDEF_H${SEDeB}HAVE_STDDEF_H${SEDeC}${SEDeD}
-${SEDdA}HAVE_STDLIB_H${SEDdB}HAVE_STDLIB_H${SEDdC}${SEDdD}
-${SEDuA}HAVE_STDLIB_H${SEDuB}HAVE_STDLIB_H${SEDuC}${SEDuD}
-${SEDeA}HAVE_STDLIB_H${SEDeB}HAVE_STDLIB_H${SEDeC}${SEDeD}
-CONFEOF
-cat >> conftest.sed <<CONFEOF
-${SEDdA}HAVE_UNSIGNED_CHAR${SEDdB}HAVE_UNSIGNED_CHAR${SEDdC}${SEDdD}
-${SEDuA}HAVE_UNSIGNED_CHAR${SEDuB}HAVE_UNSIGNED_CHAR${SEDuC}${SEDuD}
-${SEDeA}HAVE_UNSIGNED_CHAR${SEDeB}HAVE_UNSIGNED_CHAR${SEDeC}${SEDeD}
-${SEDdA}HAVE_UNSIGNED_SHORT${SEDdB}HAVE_UNSIGNED_SHORT${SEDdC}${SEDdD}
-${SEDuA}HAVE_UNSIGNED_SHORT${SEDuB}HAVE_UNSIGNED_SHORT${SEDuC}${SEDuD}
-${SEDeA}HAVE_UNSIGNED_SHORT${SEDeB}HAVE_UNSIGNED_SHORT${SEDeC}${SEDeD}
-${SEDdA}INLINE${SEDdB}INLINE${SEDdC}inline${SEDdD}
-${SEDuA}INLINE${SEDuB}INLINE${SEDuC}inline${SEDuD}
-${SEDeA}INLINE${SEDeB}INLINE${SEDeC}inline${SEDeD}
-CONFEOF
-# This sed command replaces #undef's with comments. This is necessary, for
-# example, in the case of _POSIX_SOURCE, which is predefined and required
-# on some systems where configure will not decide to define it in
-# jconfig.h.
-cat >> conftest.sed <<\CONFEOF
-CONFEOF
-rm -f conftest.h
-# Break up the sed commands because old seds have small limits.
-maxsedlines=20
-cp $top_srcdir/jconfig.auto conftest.h1
-while :
-do
- lines=`grep -c . conftest.sed`
- if test -z "$lines" || test "$lines" -eq 0; then break; fi
- rm -f conftest.s1 conftest.s2 conftest.h2
- sed ${maxsedlines}q conftest.sed > conftest.s1 # Like head -20.
- sed 1,${maxsedlines}d conftest.sed > conftest.s2 # Like tail +21.
- sed -f conftest.s1 < conftest.h1 > conftest.h2
- rm -f conftest.s1 conftest.h1 conftest.sed
- mv conftest.h2 conftest.h1
- mv conftest.s2 conftest.sed
-done
-rm -f conftest.sed conftest.h
-echo "/* $file. Generated automatically by configure. */" > conftest.h
-cat conftest.h1 >> conftest.h
-rm -f conftest.h1
-if cmp -s $file conftest.h 2>/dev/null; then
- # The file exists and we would not be changing it.
- echo "$file is unchanged"
- rm -f conftest.h
-else
- rm -f $file
- mv conftest.h $file
-fi
-fi; done
-
-
-
-exit 0
diff --git a/jpeg/configure b/jpeg/configure
deleted file mode 100644
index 0d62d685bd..0000000000
--- a/jpeg/configure
+++ /dev/null
@@ -1,1168 +0,0 @@
-#!/bin/sh
-# Guess values for system-dependent variables and create Makefiles.
-# Generated automatically using autoconf.
-# Copyright (C) 1991, 1992, 1993 Free Software Foundation, Inc.
-
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
-
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-# Usage: configure [--srcdir=DIR] [--host=HOST] [--gas] [--nfp]
-# [--prefix=PREFIX] [--exec-prefix=PREFIX] [--with-PACKAGE[=VALUE]]
-# Ignores all args except --srcdir, --prefix, --exec-prefix, and
-# --with-PACKAGE[=VALUE] unless this script has special code to handle it.
-
-for arg
-do
- # Handle --exec-prefix with a space before the argument.
- if test x$next_exec_prefix = xyes; then exec_prefix=$arg; next_exec_prefix=
- # Handle --host with a space before the argument.
- elif test x$next_host = xyes; then next_host=
- # Handle --prefix with a space before the argument.
- elif test x$next_prefix = xyes; then prefix=$arg; next_prefix=
- # Handle --srcdir with a space before the argument.
- elif test x$next_srcdir = xyes; then srcdir=$arg; next_srcdir=
- else
- case $arg in
- # For backward compatibility, recognize -exec-prefix and --exec_prefix.
- -exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* | --exec=* | --exe=* | --ex=* | --e=*)
- exec_prefix=`echo $arg | sed 's/[-a-z_]*=//'` ;;
- -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- | --exec | --exe | --ex | --e)
- next_exec_prefix=yes ;;
-
- -gas | --gas | --ga | --g) ;;
-
- -host=* | --host=* | --hos=* | --ho=* | --h=*) ;;
- -host | --host | --hos | --ho | --h)
- next_host=yes ;;
-
- -nfp | --nfp | --nf) ;;
-
- -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
- prefix=`echo $arg | sed 's/[-a-z_]*=//'` ;;
- -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
- next_prefix=yes ;;
-
- -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=* | --s=*)
- srcdir=`echo $arg | sed 's/[-a-z_]*=//'` ;;
- -srcdir | --srcdir | --srcdi | --srcd | --src | --sr | --s)
- next_srcdir=yes ;;
-
- -with-* | --with-*)
- package=`echo $arg|sed -e 's/-*with-//' -e 's/=.*//'`
- # Reject names that aren't valid shell variable names.
- if test -n "`echo $package| sed 's/[-a-zA-Z0-9_]//g'`"; then
- echo "configure: $package: invalid package name" >&2; exit 1
- fi
- package=`echo $package| sed 's/-/_/g'`
- case "$arg" in
- *=*) val="`echo $arg|sed 's/[^=]*=//'`" ;;
- *) val=1 ;;
- esac
- eval "with_$package='$val'" ;;
-
- -v | -verbose | --verbose | --verbos | --verbo | --verb | --ver | --ve | --v)
- verbose=yes ;;
-
- *=*)
- varname=`echo $arg|sed -e 's/=.*//'`
- # Reject names that aren't valid shell variable names.
- if test -n "`echo $varname| sed 's/[a-zA-Z0-9_]//g'`"; then
- echo "configure: $varname: invalid shell variable name" >&2; exit 1
- fi
- val="`echo $arg|sed 's/[^=]*=//'`"
- test -n "$verbose" && echo " setting shell variable $varname to $val"
- eval "$varname='$val'"
- eval "export $varname" ;;
-
- *) ;;
- esac
- fi
-done
-
-trap 'rm -fr conftest* confdefs* core; exit 1' 1 3 15
-trap 'rm -f confdefs*' 0
-
-# NLS nuisances.
-# These must not be set unconditionally because not all systems understand
-# e.g. LANG=C (notably SCO).
-if test "${LC_ALL+set}" = 'set' ; then LC_ALL=C; export LC_ALL; fi
-if test "${LANG+set}" = 'set' ; then LANG=C; export LANG; fi
-
-rm -f conftest* confdefs.h
-# AIX cpp loses on an empty file, so make sure it contains at least a newline.
-echo > confdefs.h
-compile='${CC-cc} $CFLAGS conftest.c -o conftest $LIBS >/dev/null 2>&1'
-
-# A filename unique to this package, relative to the directory that
-# configure is in, which we can look for to find out if srcdir is correct.
-unique_file=jcmaster.c
-
-# Find the source files, if location was not specified.
-if test -z "$srcdir"; then
- srcdirdefaulted=yes
- # Try the directory containing this script, then `..'.
- prog=$0
- confdir=`echo $prog|sed 's%/[^/][^/]*$%%'`
- test "X$confdir" = "X$prog" && confdir=.
- srcdir=$confdir
- if test ! -r $srcdir/$unique_file; then
- srcdir=..
- fi
-fi
-if test ! -r $srcdir/$unique_file; then
- if test x$srcdirdefaulted = xyes; then
- echo "configure: Can not find sources in \`${confdir}' or \`..'." 1>&2
- else
- echo "configure: Can not find sources in \`${srcdir}'." 1>&2
- fi
- exit 1
-fi
-# Preserve a srcdir of `.' to avoid automounter screwups with pwd.
-# But we can't avoid them for `..', to make subdirectories work.
-case $srcdir in
- .|/*|~*) ;;
- *) srcdir=`cd $srcdir; pwd` ;; # Make relative path absolute.
-esac
-
-
-# Save the original args to write them into config.status later.
-configure_args="$*"
-
-
-if test -z "$CC"; then
- # Extract the first word of `gcc', so it can be a program name with args.
- set dummy gcc; word=$2
- echo checking for $word
- IFS="${IFS= }"; saveifs="$IFS"; IFS="${IFS}:"
- for dir in $PATH; do
- test -z "$dir" && dir=.
- if test -f $dir/$word; then
- CC="gcc"
- break
- fi
- done
- IFS="$saveifs"
-fi
-test -z "$CC" && CC="cc"
-test -n "$CC" && test -n "$verbose" && echo " setting CC to $CC"
-
-# Find out if we are using GNU C, under whatever name.
-cat > conftest.c <<EOF
-#ifdef __GNUC__
- yes
-#endif
-EOF
-${CC-cc} -E conftest.c > conftest.out 2>&1
-if egrep yes conftest.out >/dev/null 2>&1; then
- GCC=1 # For later tests.
-fi
-rm -f conftest*
-
-echo checking how to run the C preprocessor
-if test -z "$CPP"; then
- # This must be in double quotes, not single quotes, because CPP may get
- # substituted into the Makefile and ``${CC-cc}'' will simply confuse
- # make. It must be expanded now.
- CPP="${CC-cc} -E"
- cat > conftest.c <<EOF
-#include "confdefs.h"
-#include <stdio.h>
-Syntax Error
-EOF
-err=`eval "($CPP conftest.c >/dev/null) 2>&1"`
-if test -z "$err"; then
- :
-else
- rm -rf conftest*
- CPP=/lib/cpp
-fi
-rm -f conftest*
-fi
-test ".${verbose}" != "." && echo " setting CPP to $CPP"
-
-echo checking whether cross-compiling
-# If we cannot run a trivial program, we must be cross compiling.
-cat > conftest.c <<EOF
-#include "confdefs.h"
-main(){exit(0);}
-EOF
-eval $compile
-if test -s conftest && (./conftest; exit) 2>/dev/null; then
- :
-else
- cross_compiling=1
-fi
-rm -fr conftest*
-
-echo checking for function prototypes
-cat > conftest.c <<EOF
-#include "confdefs.h"
-
-int testfunction (int arg1, int * arg2); /* check prototypes */
-struct methods_struct { /* check method-pointer declarations */
- int (*error_exit) (char *msgtext);
- int (*trace_message) (char *msgtext);
- int (*another_method) (void);
-};
-int testfunction (int arg1, int * arg2) /* check definitions */
-{ return arg2[arg1]; }
-int test2function (void) /* check void arg list */
-{ return 0; }
-
-int main() { exit(0); }
-int t() { }
-EOF
-if eval $compile; then
- rm -rf conftest*
-
-{
-test -n "$verbose" && \
-echo " defining" HAVE_PROTOTYPES to be empty
-echo "#define" HAVE_PROTOTYPES >> confdefs.h
-DEFS="$DEFS -DHAVE_PROTOTYPES="
-SEDDEFS="${SEDDEFS}\${SEDdA}HAVE_PROTOTYPES\${SEDdB}HAVE_PROTOTYPES\${SEDdC}\${SEDdD}
-\${SEDuA}HAVE_PROTOTYPES\${SEDuB}HAVE_PROTOTYPES\${SEDuC}\${SEDuD}
-\${SEDeA}HAVE_PROTOTYPES\${SEDeB}HAVE_PROTOTYPES\${SEDeC}\${SEDeD}
-"
-}
-
-
-else
- rm -rf conftest*
- echo Your compiler does not seem to know about function prototypes.
-echo Perhaps it needs a special switch to enable ANSI C mode.
-echo If so, we recommend running configure like this:
-echo " ./configure CC='cc -switch'"
-echo where -switch is the proper switch.
-
-fi
-rm -f conftest*
-echo checking for stddef.h
-cat > conftest.c <<EOF
-#include "confdefs.h"
-#include <stddef.h>
-EOF
-err=`eval "($CPP conftest.c >/dev/null) 2>&1"`
-if test -z "$err"; then
- rm -rf conftest*
-
-{
-test -n "$verbose" && \
-echo " defining" HAVE_STDDEF_H to be empty
-echo "#define" HAVE_STDDEF_H >> confdefs.h
-DEFS="$DEFS -DHAVE_STDDEF_H="
-SEDDEFS="${SEDDEFS}\${SEDdA}HAVE_STDDEF_H\${SEDdB}HAVE_STDDEF_H\${SEDdC}\${SEDdD}
-\${SEDuA}HAVE_STDDEF_H\${SEDuB}HAVE_STDDEF_H\${SEDuC}\${SEDuD}
-\${SEDeA}HAVE_STDDEF_H\${SEDeB}HAVE_STDDEF_H\${SEDeC}\${SEDeD}
-"
-}
-
-
-fi
-rm -f conftest*
-
-echo checking for stdlib.h
-cat > conftest.c <<EOF
-#include "confdefs.h"
-#include <stdlib.h>
-EOF
-err=`eval "($CPP conftest.c >/dev/null) 2>&1"`
-if test -z "$err"; then
- rm -rf conftest*
-
-{
-test -n "$verbose" && \
-echo " defining" HAVE_STDLIB_H to be empty
-echo "#define" HAVE_STDLIB_H >> confdefs.h
-DEFS="$DEFS -DHAVE_STDLIB_H="
-SEDDEFS="${SEDDEFS}\${SEDdA}HAVE_STDLIB_H\${SEDdB}HAVE_STDLIB_H\${SEDdC}\${SEDdD}
-\${SEDuA}HAVE_STDLIB_H\${SEDuB}HAVE_STDLIB_H\${SEDuC}\${SEDuD}
-\${SEDeA}HAVE_STDLIB_H\${SEDeB}HAVE_STDLIB_H\${SEDeC}\${SEDeD}
-"
-}
-
-
-fi
-rm -f conftest*
-
-echo checking for string.h
-cat > conftest.c <<EOF
-#include "confdefs.h"
-#include <string.h>
-EOF
-err=`eval "($CPP conftest.c >/dev/null) 2>&1"`
-if test -z "$err"; then
- :
-else
- rm -rf conftest*
-
-{
-test -n "$verbose" && \
-echo " defining" NEED_BSD_STRINGS to be empty
-echo "#define" NEED_BSD_STRINGS >> confdefs.h
-DEFS="$DEFS -DNEED_BSD_STRINGS="
-SEDDEFS="${SEDDEFS}\${SEDdA}NEED_BSD_STRINGS\${SEDdB}NEED_BSD_STRINGS\${SEDdC}\${SEDdD}
-\${SEDuA}NEED_BSD_STRINGS\${SEDuB}NEED_BSD_STRINGS\${SEDuC}\${SEDuD}
-\${SEDeA}NEED_BSD_STRINGS\${SEDeB}NEED_BSD_STRINGS\${SEDeC}\${SEDeD}
-"
-}
-
-fi
-rm -f conftest*
-
-echo checking for size_t
-cat > conftest.c <<EOF
-#include "confdefs.h"
-
-#ifdef HAVE_STDDEF_H
-#include <stddef.h>
-#endif
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-#include <stdio.h>
-#ifdef NEED_BSD_STRINGS
-#include <strings.h>
-#else
-#include <string.h>
-#endif
-typedef size_t my_size_t;
-
-int main() { exit(0); }
-int t() { my_size_t foovar; }
-EOF
-if eval $compile; then
- :
-else
- rm -rf conftest*
- echo checking for sys/types.h
-cat > conftest.c <<EOF
-#include "confdefs.h"
-#include <sys/types.h>
-EOF
-err=`eval "($CPP conftest.c >/dev/null) 2>&1"`
-if test -z "$err"; then
- rm -rf conftest*
-
-{
-test -n "$verbose" && \
-echo " defining" NEED_SYS_TYPES_H to be empty
-echo "#define" NEED_SYS_TYPES_H >> confdefs.h
-DEFS="$DEFS -DNEED_SYS_TYPES_H="
-SEDDEFS="${SEDDEFS}\${SEDdA}NEED_SYS_TYPES_H\${SEDdB}NEED_SYS_TYPES_H\${SEDdC}\${SEDdD}
-\${SEDuA}NEED_SYS_TYPES_H\${SEDuB}NEED_SYS_TYPES_H\${SEDuC}\${SEDuD}
-\${SEDeA}NEED_SYS_TYPES_H\${SEDeB}NEED_SYS_TYPES_H\${SEDeC}\${SEDeD}
-"
-}
-
-
-else
- rm -rf conftest*
- echo Type size_t is not defined in any of the usual places.
-echo Try putting '"typedef unsigned int size_t;"' in jconfig.h.
-
-fi
-rm -f conftest*
-
-fi
-rm -f conftest*
-echo checking for unsigned char
-cat > conftest.c <<EOF
-#include "confdefs.h"
-
-int main() { exit(0); }
-int t() { unsigned char un_char; }
-EOF
-if eval $compile; then
- rm -rf conftest*
-
-{
-test -n "$verbose" && \
-echo " defining" HAVE_UNSIGNED_CHAR to be empty
-echo "#define" HAVE_UNSIGNED_CHAR >> confdefs.h
-DEFS="$DEFS -DHAVE_UNSIGNED_CHAR="
-SEDDEFS="${SEDDEFS}\${SEDdA}HAVE_UNSIGNED_CHAR\${SEDdB}HAVE_UNSIGNED_CHAR\${SEDdC}\${SEDdD}
-\${SEDuA}HAVE_UNSIGNED_CHAR\${SEDuB}HAVE_UNSIGNED_CHAR\${SEDuC}\${SEDuD}
-\${SEDeA}HAVE_UNSIGNED_CHAR\${SEDeB}HAVE_UNSIGNED_CHAR\${SEDeC}\${SEDeD}
-"
-}
-
-
-fi
-rm -f conftest*
-echo checking for unsigned short
-cat > conftest.c <<EOF
-#include "confdefs.h"
-
-int main() { exit(0); }
-int t() { unsigned short un_short; }
-EOF
-if eval $compile; then
- rm -rf conftest*
-
-{
-test -n "$verbose" && \
-echo " defining" HAVE_UNSIGNED_SHORT to be empty
-echo "#define" HAVE_UNSIGNED_SHORT >> confdefs.h
-DEFS="$DEFS -DHAVE_UNSIGNED_SHORT="
-SEDDEFS="${SEDDEFS}\${SEDdA}HAVE_UNSIGNED_SHORT\${SEDdB}HAVE_UNSIGNED_SHORT\${SEDdC}\${SEDdD}
-\${SEDuA}HAVE_UNSIGNED_SHORT\${SEDuB}HAVE_UNSIGNED_SHORT\${SEDuC}\${SEDuD}
-\${SEDeA}HAVE_UNSIGNED_SHORT\${SEDeB}HAVE_UNSIGNED_SHORT\${SEDeC}\${SEDeD}
-"
-}
-
-
-fi
-rm -f conftest*
-echo checking for type void
-cat > conftest.c <<EOF
-#include "confdefs.h"
-
-/* Caution: a C++ compiler will insist on valid prototypes */
-typedef void * void_ptr; /* check void * */
-#ifdef HAVE_PROTOTYPES /* check ptr to function returning void */
-typedef void (*void_func) (int a, int b);
-#else
-typedef void (*void_func) ();
-#endif
-
-#ifdef HAVE_PROTOTYPES /* check void function result */
-void test3function (void_ptr arg1, void_func arg2)
-#else
-void test3function (arg1, arg2)
- void_ptr arg1;
- void_func arg2;
-#endif
-{
- char * locptr = (char *) arg1; /* check casting to and from void * */
- arg1 = (void *) locptr;
- (*arg2) (1, 2); /* check call of fcn returning void */
-}
-
-int main() { exit(0); }
-int t() { }
-EOF
-if eval $compile; then
- :
-else
- rm -rf conftest*
-
-{
-test -n "$verbose" && \
-echo " defining" void to be char
-echo "#define" void char >> confdefs.h
-DEFS="$DEFS -Dvoid=char"
-SEDDEFS="${SEDDEFS}\${SEDdA}void\${SEDdB}void\${SEDdC}char\${SEDdD}
-\${SEDuA}void\${SEDuB}void\${SEDuC}char\${SEDuD}
-\${SEDeA}void\${SEDeB}void\${SEDeC}char\${SEDeD}
-"
-}
-
-fi
-rm -f conftest*
-prog='/* Ultrix mips cc rejects this. */
-typedef int charset[2]; const charset x;
-/* SunOS 4.1.1 cc rejects this. */
-char const *const *ccp;
-char **p;
-/* AIX XL C 1.02.0.0 rejects this.
- It does not let you subtract one const X* pointer from another in an arm
- of an if-expression whose if-part is not a constant expression */
-const char *g = "string";
-ccp = &g + (g ? g-g : 0);
-/* HPUX 7.0 cc rejects these. */
-++ccp;
-p = (char**) ccp;
-ccp = (char const *const *) p;
-{ /* SCO 3.2v4 cc rejects this. */
- char *t;
- char const *s = 0 ? (char *) 0 : (char const *) 0;
-
- *t++ = 0;
-}
-{ /* Someone thinks the Sun supposedly-ANSI compiler will reject this. */
- int x[] = {25,17};
- const int *foo = &x[0];
- ++foo;
-}
-{ /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */
- typedef const int *iptr;
- iptr p = 0;
- ++p;
-}
-{ /* AIX XL C 1.02.0.0 rejects this saying
- "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */
- struct s { int j; const int *ap[3]; };
- struct s *b; b->j = 5;
-}
-{ /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */
- const int foo = 10;
-}'
-echo checking for lack of working const
-cat > conftest.c <<EOF
-#include "confdefs.h"
-
-int main() { exit(0); }
-int t() { $prog }
-EOF
-if eval $compile; then
- :
-else
- rm -rf conftest*
-
-{
-test -n "$verbose" && \
-echo " defining" const to be empty
-echo "#define" const >> confdefs.h
-DEFS="$DEFS -Dconst="
-SEDDEFS="${SEDDEFS}\${SEDdA}const\${SEDdB}const\${SEDdC}\${SEDdD}
-\${SEDuA}const\${SEDuB}const\${SEDuC}\${SEDuD}
-\${SEDeA}const\${SEDeB}const\${SEDeC}\${SEDeD}
-"
-}
-
-fi
-rm -f conftest*
-
-echo checking for inline
-cat > conftest.c <<EOF
-#include "confdefs.h"
-
-int main() { exit(0); }
-int t() { } inline int foo() { return 0; }
-int bar() { return foo(); }
-EOF
-if eval $compile; then
- rm -rf conftest*
-
-{
-test -n "$verbose" && \
-echo " defining" INLINE to be inline
-echo "#define" INLINE inline >> confdefs.h
-DEFS="$DEFS -DINLINE=inline"
-SEDDEFS="${SEDDEFS}\${SEDdA}INLINE\${SEDdB}INLINE\${SEDdC}inline\${SEDdD}
-\${SEDuA}INLINE\${SEDuB}INLINE\${SEDuC}inline\${SEDuD}
-\${SEDeA}INLINE\${SEDeB}INLINE\${SEDeC}inline\${SEDeD}
-"
-}
-
-
-else
- rm -rf conftest*
- cat > conftest.c <<EOF
-#include "confdefs.h"
-
-int main() { exit(0); }
-int t() { } __inline__ int foo() { return 0; }
-int bar() { return foo(); }
-EOF
-if eval $compile; then
- rm -rf conftest*
-
-{
-test -n "$verbose" && \
-echo " defining" INLINE to be __inline__
-echo "#define" INLINE __inline__ >> confdefs.h
-DEFS="$DEFS -DINLINE=__inline__"
-SEDDEFS="${SEDDEFS}\${SEDdA}INLINE\${SEDdB}INLINE\${SEDdC}__inline__\${SEDdD}
-\${SEDuA}INLINE\${SEDuB}INLINE\${SEDuC}__inline__\${SEDuD}
-\${SEDeA}INLINE\${SEDeB}INLINE\${SEDeC}__inline__\${SEDeD}
-"
-}
-
-
-else
- rm -rf conftest*
- cat > conftest.c <<EOF
-#include "confdefs.h"
-
-int main() { exit(0); }
-int t() { } __inline int foo() { return 0; }
-int bar() { return foo(); }
-EOF
-if eval $compile; then
- rm -rf conftest*
-
-{
-test -n "$verbose" && \
-echo " defining" INLINE to be __inline
-echo "#define" INLINE __inline >> confdefs.h
-DEFS="$DEFS -DINLINE=__inline"
-SEDDEFS="${SEDDEFS}\${SEDdA}INLINE\${SEDdB}INLINE\${SEDdC}__inline\${SEDdD}
-\${SEDuA}INLINE\${SEDuB}INLINE\${SEDuC}__inline\${SEDuD}
-\${SEDeA}INLINE\${SEDeB}INLINE\${SEDeC}__inline\${SEDeD}
-"
-}
-
-
-else
- rm -rf conftest*
-
-{
-test -n "$verbose" && \
-echo " defining" INLINE to be empty
-echo "#define" INLINE >> confdefs.h
-DEFS="$DEFS -DINLINE="
-SEDDEFS="${SEDDEFS}\${SEDdA}INLINE\${SEDdB}INLINE\${SEDdC}\${SEDdD}
-\${SEDuA}INLINE\${SEDuB}INLINE\${SEDuC}\${SEDuD}
-\${SEDeA}INLINE\${SEDeB}INLINE\${SEDeC}\${SEDeD}
-"
-}
-
-fi
-rm -f conftest*
-
-fi
-rm -f conftest*
-
-fi
-rm -f conftest*
-echo checking for broken incomplete types
-cat > conftest.c <<EOF
-#include "confdefs.h"
- typedef struct undefined_structure * undef_struct_ptr;
-int main() { exit(0); }
-int t() { }
-EOF
-if eval $compile; then
- :
-else
- rm -rf conftest*
-
-{
-test -n "$verbose" && \
-echo " defining" INCOMPLETE_TYPES_BROKEN to be empty
-echo "#define" INCOMPLETE_TYPES_BROKEN >> confdefs.h
-DEFS="$DEFS -DINCOMPLETE_TYPES_BROKEN="
-SEDDEFS="${SEDDEFS}\${SEDdA}INCOMPLETE_TYPES_BROKEN\${SEDdB}INCOMPLETE_TYPES_BROKEN\${SEDdC}\${SEDdD}
-\${SEDuA}INCOMPLETE_TYPES_BROKEN\${SEDuB}INCOMPLETE_TYPES_BROKEN\${SEDuC}\${SEDuD}
-\${SEDeA}INCOMPLETE_TYPES_BROKEN\${SEDeB}INCOMPLETE_TYPES_BROKEN\${SEDeC}\${SEDeD}
-"
-}
-
-fi
-rm -f conftest*
-echo checking for short external names
-cat > conftest.c <<EOF
-#include "confdefs.h"
-
-int possibly_duplicate_function () { return 0; }
-int possibly_dupli_function () { return 1; }
-
-int main() { exit(0); }
-int t() { }
-EOF
-if eval $compile; then
- :
-else
- rm -rf conftest*
-
-{
-test -n "$verbose" && \
-echo " defining" NEED_SHORT_EXTERNAL_NAMES to be empty
-echo "#define" NEED_SHORT_EXTERNAL_NAMES >> confdefs.h
-DEFS="$DEFS -DNEED_SHORT_EXTERNAL_NAMES="
-SEDDEFS="${SEDDEFS}\${SEDdA}NEED_SHORT_EXTERNAL_NAMES\${SEDdB}NEED_SHORT_EXTERNAL_NAMES\${SEDdC}\${SEDdD}
-\${SEDuA}NEED_SHORT_EXTERNAL_NAMES\${SEDuB}NEED_SHORT_EXTERNAL_NAMES\${SEDuC}\${SEDuD}
-\${SEDeA}NEED_SHORT_EXTERNAL_NAMES\${SEDeB}NEED_SHORT_EXTERNAL_NAMES\${SEDeC}\${SEDeD}
-"
-}
-
-fi
-rm -f conftest*
-
-echo checking to see if char is signed
-if test -n "$cross_compiling"
-then
- echo Assuming that char is signed on target machine.
-echo If it is unsigned, this will be a little bit inefficient.
-
-else
-cat > conftest.c <<EOF
-#include "confdefs.h"
-
-#ifdef HAVE_PROTOTYPES
-int is_char_signed (int arg)
-#else
-int is_char_signed (arg)
- int arg;
-#endif
-{
- if (arg == 189) { /* expected result for unsigned char */
- return 0; /* type char is unsigned */
- }
- else if (arg != -67) { /* expected result for signed char */
- printf("Hmm, it seems 'char' is not eight bits wide on your machine.\n");
- printf("I fear the JPEG software will not work at all.\n\n");
- }
- return 1; /* assume char is signed otherwise */
-}
-char signed_char_check = (char) (-67);
-main() {
- exit(is_char_signed((int) signed_char_check));
-}
-EOF
-eval $compile
-if test -s conftest && (./conftest; exit) 2>/dev/null; then
-
-{
-test -n "$verbose" && \
-echo " defining" CHAR_IS_UNSIGNED to be empty
-echo "#define" CHAR_IS_UNSIGNED >> confdefs.h
-DEFS="$DEFS -DCHAR_IS_UNSIGNED="
-SEDDEFS="${SEDDEFS}\${SEDdA}CHAR_IS_UNSIGNED\${SEDdB}CHAR_IS_UNSIGNED\${SEDdC}\${SEDdD}
-\${SEDuA}CHAR_IS_UNSIGNED\${SEDuB}CHAR_IS_UNSIGNED\${SEDuC}\${SEDuD}
-\${SEDeA}CHAR_IS_UNSIGNED\${SEDeB}CHAR_IS_UNSIGNED\${SEDeC}\${SEDeD}
-"
-}
-
-
-fi
-fi
-rm -fr conftest*
-echo checking to see if right shift is signed
-if test -n "$cross_compiling"
-then
- echo Assuming that right shift is signed on target machine.
-
-else
-cat > conftest.c <<EOF
-#include "confdefs.h"
-
-#ifdef HAVE_PROTOTYPES
-int is_shifting_signed (long arg)
-#else
-int is_shifting_signed (arg)
- long arg;
-#endif
-/* See whether right-shift on a long is signed or not. */
-{
- long res = arg >> 4;
-
- if (res == -0x7F7E80CL) { /* expected result for signed shift */
- return 1; /* right shift is signed */
- }
- /* see if unsigned-shift hack will fix it. */
- /* we can't just test exact value since it depends on width of long... */
- res |= (~0L) << (32-4);
- if (res == -0x7F7E80CL) { /* expected result now? */
- return 0; /* right shift is unsigned */
- }
- printf("Right shift isn't acting as I expect it to.\n");
- printf("I fear the JPEG software will not work at all.\n\n");
- return 0; /* try it with unsigned anyway */
-}
-main() {
- exit(is_shifting_signed(-0x7F7E80B1L));
-}
-EOF
-eval $compile
-if test -s conftest && (./conftest; exit) 2>/dev/null; then
-
-{
-test -n "$verbose" && \
-echo " defining" RIGHT_SHIFT_IS_UNSIGNED to be empty
-echo "#define" RIGHT_SHIFT_IS_UNSIGNED >> confdefs.h
-DEFS="$DEFS -DRIGHT_SHIFT_IS_UNSIGNED="
-SEDDEFS="${SEDDEFS}\${SEDdA}RIGHT_SHIFT_IS_UNSIGNED\${SEDdB}RIGHT_SHIFT_IS_UNSIGNED\${SEDdC}\${SEDdD}
-\${SEDuA}RIGHT_SHIFT_IS_UNSIGNED\${SEDuB}RIGHT_SHIFT_IS_UNSIGNED\${SEDuC}\${SEDuD}
-\${SEDeA}RIGHT_SHIFT_IS_UNSIGNED\${SEDeB}RIGHT_SHIFT_IS_UNSIGNED\${SEDeC}\${SEDeD}
-"
-}
-
-
-fi
-fi
-rm -fr conftest*
-echo checking to see if fopen accepts b spec
-if test -n "$cross_compiling"
-then
- echo Assuming that it does.
-
-else
-cat > conftest.c <<EOF
-#include "confdefs.h"
-
-#include <stdio.h>
-main() {
- if (fopen("conftestdata", "wb") != NULL)
- exit(0);
- exit(1);
-}
-EOF
-eval $compile
-if test -s conftest && (./conftest; exit) 2>/dev/null; then
- :
-else
-
-{
-test -n "$verbose" && \
-echo " defining" DONT_USE_B_MODE to be empty
-echo "#define" DONT_USE_B_MODE >> confdefs.h
-DEFS="$DEFS -DDONT_USE_B_MODE="
-SEDDEFS="${SEDDEFS}\${SEDdA}DONT_USE_B_MODE\${SEDdB}DONT_USE_B_MODE\${SEDdC}\${SEDdD}
-\${SEDuA}DONT_USE_B_MODE\${SEDuB}DONT_USE_B_MODE\${SEDuC}\${SEDuD}
-\${SEDeA}DONT_USE_B_MODE\${SEDeB}DONT_USE_B_MODE\${SEDeC}\${SEDeD}
-"
-}
-
-fi
-fi
-rm -fr conftest*
-# Make sure to not get the incompatible SysV /etc/install and
-# /usr/sbin/install, which might be in PATH before a BSD-like install,
-# or the SunOS /usr/etc/install directory, or the AIX /bin/install,
-# or the AFS install, which mishandles nonexistent args, or
-# /usr/ucb/install on SVR4, which tries to use the nonexistent group
-# `staff'. On most BSDish systems install is in /usr/bin, not /usr/ucb
-# anyway. Sigh.
-if test "z${INSTALL}" = "z" ; then
- echo checking for install
- IFS="${IFS= }"; saveifs="$IFS"; IFS="${IFS}:"
- for dir in $PATH; do
- test -z "$dir" && dir=.
- case $dir in
- /etc|/usr/sbin|/usr/etc|/usr/afsws/bin|/usr/ucb) ;;
- *)
- if test -f $dir/installbsd; then
- INSTALL="$dir/installbsd -c" # OSF1
- INSTALL_PROGRAM='$(INSTALL)'
- INSTALL_DATA='$(INSTALL) -m 644'
- break
- fi
- if test -f $dir/install; then
- if grep dspmsg $dir/install >/dev/null 2>&1; then
- : # AIX
- else
- INSTALL="$dir/install -c"
- INSTALL_PROGRAM='$(INSTALL)'
- INSTALL_DATA='$(INSTALL) -m 644'
- break
- fi
- fi
- ;;
- esac
- done
- IFS="$saveifs"
-fi
-INSTALL=${INSTALL-cp}
-test -n "$verbose" && echo " setting INSTALL to $INSTALL"
-INSTALL_PROGRAM=${INSTALL_PROGRAM-'$(INSTALL)'}
-test -n "$verbose" && echo " setting INSTALL_PROGRAM to $INSTALL_PROGRAM"
-INSTALL_DATA=${INSTALL_DATA-'$(INSTALL)'}
-test -n "$verbose" && echo " setting INSTALL_DATA to $INSTALL_DATA"
-
-if test -z "$RANLIB"; then
- # Extract the first word of `ranlib', so it can be a program name with args.
- set dummy ranlib; word=$2
- echo checking for $word
- IFS="${IFS= }"; saveifs="$IFS"; IFS="${IFS}:"
- for dir in $PATH; do
- test -z "$dir" && dir=.
- if test -f $dir/$word; then
- RANLIB="ranlib"
- break
- fi
- done
- IFS="$saveifs"
-fi
-test -z "$RANLIB" && RANLIB=":"
-test -n "$RANLIB" && test -n "$verbose" && echo " setting RANLIB to $RANLIB"
-
-# check whether --with-maxmem was given
-withval="$with_maxmem"
-if test -n "$withval"; then
- DEFAULTMAXMEM=`expr $withval \* 1048576`
-
-{
-test -n "$verbose" && \
-echo " defining" DEFAULT_MAX_MEM to be ${DEFAULTMAXMEM}
-echo "#define" DEFAULT_MAX_MEM ${DEFAULTMAXMEM} >> confdefs.h
-DEFS="$DEFS -DDEFAULT_MAX_MEM=${DEFAULTMAXMEM}"
-SEDDEFS="${SEDDEFS}\${SEDdA}DEFAULT_MAX_MEM\${SEDdB}DEFAULT_MAX_MEM\${SEDdC}${DEFAULTMAXMEM}\${SEDdD}
-\${SEDuA}DEFAULT_MAX_MEM\${SEDuB}DEFAULT_MAX_MEM\${SEDuC}${DEFAULTMAXMEM}\${SEDuD}
-\${SEDeA}DEFAULT_MAX_MEM\${SEDeB}DEFAULT_MAX_MEM\${SEDeC}${DEFAULTMAXMEM}\${SEDeD}
-"
-}
-
-echo checking for 'tmpfile()'
-cat > conftest.c <<EOF
-#include "confdefs.h"
-#include <stdio.h>
-int main() { exit(0); }
-int t() { FILE * tfile = tmpfile(); }
-EOF
-if eval $compile; then
- rm -rf conftest*
- MEMORYMGR="jmemansi.o"
-
-else
- rm -rf conftest*
- MEMORYMGR="jmemname.o"
-
-{
-test -n "$verbose" && \
-echo " defining" NEED_SIGNAL_CATCHER to be empty
-echo "#define" NEED_SIGNAL_CATCHER >> confdefs.h
-DEFS="$DEFS -DNEED_SIGNAL_CATCHER="
-SEDDEFS="${SEDDEFS}\${SEDdA}NEED_SIGNAL_CATCHER\${SEDdB}NEED_SIGNAL_CATCHER\${SEDdC}\${SEDdD}
-\${SEDuA}NEED_SIGNAL_CATCHER\${SEDuB}NEED_SIGNAL_CATCHER\${SEDuC}\${SEDuD}
-\${SEDeA}NEED_SIGNAL_CATCHER\${SEDeB}NEED_SIGNAL_CATCHER\${SEDeC}\${SEDeD}
-"
-}
-echo checking for 'mktemp()'
-cat > conftest.c <<EOF
-#include "confdefs.h"
-
-int main() { exit(0); }
-int t() { char fname[80]; mktemp(fname); }
-EOF
-if eval $compile; then
- :
-else
- rm -rf conftest*
-
-{
-test -n "$verbose" && \
-echo " defining" NO_MKTEMP to be empty
-echo "#define" NO_MKTEMP >> confdefs.h
-DEFS="$DEFS -DNO_MKTEMP="
-SEDDEFS="${SEDDEFS}\${SEDdA}NO_MKTEMP\${SEDdB}NO_MKTEMP\${SEDdC}\${SEDdD}
-\${SEDuA}NO_MKTEMP\${SEDuB}NO_MKTEMP\${SEDuC}\${SEDuD}
-\${SEDeA}NO_MKTEMP\${SEDeB}NO_MKTEMP\${SEDeC}\${SEDeD}
-"
-}
-
-fi
-rm -f conftest*
-
-fi
-rm -f conftest*
-
-else
- MEMORYMGR="jmemnobs.o"
-fi
-
-# Prepare to massage makefile.auto correctly.
-case "$DEFS" in
- *HAVE_PROTOTYPES*)
- ANSI2KNR=""
- ISANSICOM="# "
- ;;
- *)
- ANSI2KNR="ansi2knr"
- ISANSICOM=""
- ;;
-esac
-case "$DEFS" in
- *NEED_BSD_STRINGS*)
- ANSI2KNRFLAGS="-DBSD"
- ;;
- *)
- ANSI2KNRFLAGS=""
- ;;
-esac
-# Set default prefixes.
-if test -n "$prefix"; then
- test -z "$exec_prefix" && exec_prefix='${prefix}'
- prsub="s%^prefix\\([ ]*\\)=\\([ ]*\\).*$%prefix\\1=\\2$prefix%"
-fi
-if test -n "$exec_prefix"; then
- prsub="$prsub
-s%^exec_prefix\\([ ]*\\)=\\([ ]*\\).*$%exec_prefix\\1=\\2$exec_prefix%"
-fi
-# Quote sed substitution magic chars in DEFS.
-cat >conftest.def <<EOF
-$DEFS
-EOF
-escape_ampersand_and_backslash='s%[&\\]%\\&%g'
-DEFS=`sed "$escape_ampersand_and_backslash" <conftest.def`
-rm -f conftest.def
-# Substitute for predefined variables.
-
-trap 'rm -f config.status; exit 1' 1 3 15
-echo creating config.status
-rm -f config.status
-cat > config.status <<EOF
-#!/bin/sh
-# Generated automatically by configure.
-# Run this file to recreate the current configuration.
-# This directory was configured as follows,
-# on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
-#
-# $0 $configure_args
-
-for arg
-do
- case "\$arg" in
- -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
- echo running \${CONFIG_SHELL-/bin/sh} $0 $configure_args
- exec \${CONFIG_SHELL-/bin/sh} $0 $configure_args ;;
- *) echo "Usage: config.status --recheck" 2>&1; exit 1 ;;
- esac
-done
-
-trap 'rm -fr Makefile jconfig.h conftest*; exit 1' 1 3 15
-CC='$CC'
-CPP='$CPP'
-INSTALL='$INSTALL'
-INSTALL_PROGRAM='$INSTALL_PROGRAM'
-INSTALL_DATA='$INSTALL_DATA'
-RANLIB='$RANLIB'
-MEMORYMGR='$MEMORYMGR'
-ANSI2KNR='$ANSI2KNR'
-ISANSICOM='$ISANSICOM'
-ANSI2KNRFLAGS='$ANSI2KNRFLAGS'
-LIBS='$LIBS'
-srcdir='$srcdir'
-prefix='$prefix'
-exec_prefix='$exec_prefix'
-prsub='$prsub'
-extrasub='$extrasub'
-EOF
-cat >> config.status <<\EOF
-
-top_srcdir=$srcdir
-
-CONFIG_FILES=${CONFIG_FILES-"Makefile"}
-for file in .. ${CONFIG_FILES}; do if test "x$file" != x..; then
- srcdir=$top_srcdir
- # Remove last slash and all that follows it. Not all systems have dirname.
- dir=`echo $file|sed 's%/[^/][^/]*$%%'`
- if test "$dir" != "$file"; then
- test "$top_srcdir" != . && srcdir=$top_srcdir/$dir
- test ! -d $dir && mkdir $dir
- fi
- echo creating $file
- rm -f $file
- echo "# Generated automatically from `echo $file|sed 's|.*/||'`.auto by configure." > $file
- sed -e "
-$prsub
-$extrasub
-s%@CC@%$CC%g
-s%@CPP@%$CPP%g
-s%@INSTALL@%$INSTALL%g
-s%@INSTALL_PROGRAM@%$INSTALL_PROGRAM%g
-s%@INSTALL_DATA@%$INSTALL_DATA%g
-s%@RANLIB@%$RANLIB%g
-s%@MEMORYMGR@%$MEMORYMGR%g
-s%@ANSI2KNR@%$ANSI2KNR%g
-s%@ISANSICOM@%$ISANSICOM%g
-s%@ANSI2KNRFLAGS@%$ANSI2KNRFLAGS%g
-s%@LIBS@%$LIBS%g
-s%@srcdir@%$srcdir%g
-s%@DEFS@%-DHAVE_CONFIG_H%" $top_srcdir/makefile.auto >> $file
-fi; done
-
-CONFIG_HEADERS=${CONFIG_HEADERS-"jconfig.h"}
-for file in .. ${CONFIG_HEADERS}; do if test "x$file" != x..; then
-echo creating $file
-
-# These sed commands are put into SEDDEFS when defining a macro.
-# They are broken into pieces to make the sed script easier to manage.
-# They are passed to sed as "A NAME B NAME C VALUE D", where NAME
-# is the cpp macro being defined and VALUE is the value it is being given.
-# Each defining turns into a single global substitution command.
-#
-# SEDd sets the value in "#define NAME VALUE" lines.
-SEDdA='s@^\([ ]*\)#\([ ]*define[ ][ ]*\)'
-SEDdB='\([ ][ ]*\)[^ ]*@\1#\2'
-SEDdC='\3'
-SEDdD='@g'
-# SEDu turns "#undef NAME" with trailing blanks into "#define NAME VALUE".
-SEDuA='s@^\([ ]*\)#\([ ]*\)undef\([ ][ ]*\)'
-SEDuB='\([ ]\)@\1#\2define\3'
-SEDuC=' '
-SEDuD='\4@g'
-# SEDe turns "#undef NAME" without trailing blanks into "#define NAME VALUE".
-SEDeA='s@^\([ ]*\)#\([ ]*\)undef\([ ][ ]*\)'
-SEDeB='$@\1#\2define\3'
-SEDeC=' '
-SEDeD='@g'
-rm -f conftest.sed
-EOF
-# Turn off quoting long enough to insert the sed commands.
-rm -f conftest.sh
-cat > conftest.sh <<EOF
-$SEDDEFS
-EOF
-
-# Break up $SEDDEFS (now in conftest.sh) because some shells have a limit
-# on the size of here documents.
-
-# Maximum number of lines to put in a single here document.
-maxshlines=9
-
-while :
-do
- # wc gives bogus results for an empty file on some systems.
- lines=`grep -c . conftest.sh`
- if test -z "$lines" || test "$lines" -eq 0; then break; fi
- rm -f conftest.s1 conftest.s2
- sed ${maxshlines}q conftest.sh > conftest.s1 # Like head -20.
- sed 1,${maxshlines}d conftest.sh > conftest.s2 # Like tail +21.
- # Write a limited-size here document to append to conftest.sed.
- echo 'cat >> conftest.sed <<CONFEOF' >> config.status
- cat conftest.s1 >> config.status
- echo 'CONFEOF' >> config.status
- rm -f conftest.s1 conftest.sh
- mv conftest.s2 conftest.sh
-done
-rm -f conftest.sh
-
-# Now back to your regularly scheduled config.status.
-cat >> config.status <<\EOF
-# This sed command replaces #undef's with comments. This is necessary, for
-# example, in the case of _POSIX_SOURCE, which is predefined and required
-# on some systems where configure will not decide to define it in
-# jconfig.h.
-cat >> conftest.sed <<\CONFEOF
-CONFEOF
-rm -f conftest.h
-# Break up the sed commands because old seds have small limits.
-maxsedlines=20
-cp $top_srcdir/jconfig.auto conftest.h1
-while :
-do
- lines=`grep -c . conftest.sed`
- if test -z "$lines" || test "$lines" -eq 0; then break; fi
- rm -f conftest.s1 conftest.s2 conftest.h2
- sed ${maxsedlines}q conftest.sed > conftest.s1 # Like head -20.
- sed 1,${maxsedlines}d conftest.sed > conftest.s2 # Like tail +21.
- sed -f conftest.s1 < conftest.h1 > conftest.h2
- rm -f conftest.s1 conftest.h1 conftest.sed
- mv conftest.h2 conftest.h1
- mv conftest.s2 conftest.sed
-done
-rm -f conftest.sed conftest.h
-echo "/* $file. Generated automatically by configure. */" > conftest.h
-cat conftest.h1 >> conftest.h
-rm -f conftest.h1
-if cmp -s $file conftest.h 2>/dev/null; then
- # The file exists and we would not be changing it.
- echo "$file is unchanged"
- rm -f conftest.h
-else
- rm -f $file
- mv conftest.h $file
-fi
-fi; done
-
-
-
-exit 0
-EOF
-chmod +x config.status
-${CONFIG_SHELL-/bin/sh} config.status
-
diff --git a/jpeg/depend b/jpeg/depend
deleted file mode 100644
index b9835ccf40..0000000000
--- a/jpeg/depend
+++ /dev/null
@@ -1,58 +0,0 @@
-cjpeg.o : cjpeg.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h \
- cderror.h jversion.h
-djpeg.o : djpeg.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h \
- cderror.h jversion.h
-jdatasrc.o : jdatasrc.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h
-jdatadst.o : jdatadst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h
-jcapi.o : jcapi.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h jerror.h
-jccoefct.o : jccoefct.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h \
- jerror.h
-jccolor.o : jccolor.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h jerror.h
-jcdctmgr.o : jcdctmgr.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h \
- jerror.h
-jchuff.o : jchuff.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h jerror.h
-jcmainct.o : jcmainct.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h \
- jerror.h
-jcmarker.o : jcmarker.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h \
- jerror.h
-jcmaster.o : jcmaster.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h \
- jerror.h
-jcomapi.o : jcomapi.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h jerror.h
-jcparam.o : jcparam.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h jerror.h
-jcprepct.o : jcprepct.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h \
- jerror.h
-jcsample.o : jcsample.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h \
- jerror.h
-jdapi.o : jdapi.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h jerror.h
-jdcoefct.o : jdcoefct.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h \
- jerror.h
-jdcolor.o : jdcolor.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h jerror.h
-jddctmgr.o : jddctmgr.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h \
- jerror.h
-jdhuff.o : jdhuff.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h jerror.h
-jdmainct.o : jdmainct.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h \
- jerror.h
-jdmarker.o : jdmarker.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h \
- jerror.h
-jdmaster.o : jdmaster.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h \
- jerror.h
-jdpostct.o : jdpostct.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h \
- jerror.h
-jdsample.o : jdsample.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h \
- jerror.h
-jerror.o : jerror.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jversion.h jerror.h
-jfwddct.o : jfwddct.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h jerror.h
-jmemmgr.o : jmemmgr.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h jerror.h \
- jmemsys.h
-jmemnobs.o : jmemnobs.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h \
- jerror.h jmemsys.h
-jrevdct.o : jrevdct.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h jerror.h
-jutils.o : jutils.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h jerror.h
-rdppm.o : rdppm.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h \
- cderror.h
-wrppm.o : wrppm.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h \
- cderror.h
-wrraw.o : wrraw.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h \
- cderror.h
-rdraw.o : rdraw.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h \
- cderror.h
diff --git a/jpeg/djpeg.1 b/jpeg/djpeg.1
deleted file mode 100644
index 08f80c5c07..0000000000
--- a/jpeg/djpeg.1
+++ /dev/null
@@ -1,245 +0,0 @@
-.TH DJPEG 1 "28 August 1994"
-.SH NAME
-djpeg \- decompress a JPEG file to an image file
-.SH SYNOPSIS
-.B djpeg
-[
-.I options
-]
-[
-.I filename
-]
-.LP
-.SH DESCRIPTION
-.LP
-.B djpeg
-decompresses the named JPEG file, or the standard input if no file is named,
-and produces an image file on the standard output. PBMPLUS (PPM/PGM), BMP,
-GIF, Targa, or RLE (Utah Raster Toolkit) output format can be selected.
-(RLE is supported only if the URT library is available.)
-.SH OPTIONS
-All switch names may be abbreviated; for example,
-.B \-grayscale
-may be written
-.B \-gray
-or
-.BR \-gr .
-Most of the "basic" switches can be abbreviated to as little as one letter.
-Upper and lower case are equivalent (thus
-.B \-GIF
-is the same as
-.BR \-gif ).
-British spellings are also accepted (e.g.,
-.BR \-greyscale ),
-though for brevity these are not mentioned below.
-.PP
-The basic switches are:
-.TP
-.BI \-colors " N"
-Reduce image to at most N colors. This reduces the number of colors used in
-the output image, so that it can be displayed on a colormapped display or
-stored in a colormapped file format. For example, if you have an 8-bit
-display, you'd need to reduce to 256 or fewer colors.
-.TP
-.BI \-quantize " N"
-Same as
-.BR \-colors .
-.B \-colors
-is the recommended name,
-.B \-quantize
-is provided only for backwards compatibility.
-.TP
-.B \-fast
-Select recommended processing options for fast, low quality output. (The
-default options are chosen for highest quality output.) Currently, this is
-equivalent to \fB\-dct fast \-nosmooth \-onepass \-dither ordered\fR.
-.TP
-.B \-grayscale
-Force gray-scale output even if JPEG file is color. Useful for viewing on
-monochrome displays; also,
-.B djpeg
-runs noticeably faster in this mode.
-.TP
-.BI \-scale " M/N"
-Scale the output image by a factor M/N. Currently the scale factor must be
-1/1, 1/2, 1/4, or 1/8. Scaling is handy if the image is larger than your
-screen; also,
-.B djpeg
-runs much faster when scaling down the output.
-.TP
-.B \-bmp
-Select BMP output format (Windows flavor). 8-bit colormapped format is
-emitted if
-.B \-colors
-or
-.B \-grayscale
-is specified, or if the JPEG file is gray-scale; otherwise, 24-bit full-color
-format is emitted.
-.TP
-.B \-gif
-Select GIF output format. Since GIF does not support more than 256 colors,
-.B \-colors 256
-is assumed (unless you specify a smaller number of colors).
-.TP
-.B \-os2
-Select BMP output format (OS/2 1.x flavor). 8-bit colormapped format is
-emitted if
-.B \-colors
-or
-.B \-grayscale
-is specified, or if the JPEG file is gray-scale; otherwise, 24-bit full-color
-format is emitted.
-.TP
-.B \-pnm
-Select PBMPLUS (PPM/PGM) output format (this is the default format).
-PGM is emitted if the JPEG file is gray-scale or if
-.B \-grayscale
-is specified; otherwise PPM is emitted.
-.TP
-.B \-rle
-Select RLE output format. (Requires URT library.)
-.TP
-.B \-targa
-Select Targa output format. Gray-scale format is emitted if the JPEG file is
-gray-scale or if
-.B \-grayscale
-is specified; otherwise, colormapped format is emitted if
-.B \-colors
-is specified; otherwise, 24-bit full-color format is emitted.
-.PP
-Switches for advanced users:
-.TP
-.B \-dct int
-Use integer DCT method (default).
-.TP
-.B \-dct fast
-Use fast integer DCT (less accurate).
-.TP
-.B \-dct float
-Use floating-point DCT method.
-The floating-point method is the most accurate, but will be the slowest unless
-your machine has very fast floating-point hardware. Also note that results of
-the floating-point method may vary slightly across machines, while the integer
-methods should give the same results everywhere. The fast integer method is
-much less accurate than the other two.
-.TP
-.B \-dither fs
-Use Floyd-Steinberg dithering in color quantization.
-.TP
-.B \-dither ordered
-Use ordered dithering in color quantization.
-.TP
-.B \-dither none
-Do not use dithering in color quantization.
-By default, Floyd-Steinberg dithering is applied when quantizing colors; this
-is slow but usually produces the best results. Ordered dither is a compromise
-between speed and quality; no dithering is fast but usually looks awful. Note
-that these switches have no effect unless color quantization is being done.
-Ordered dither is only available in
-.B \-onepass
-mode.
-.TP
-.BI \-map " file"
-Quantize to the colors used in the specified image file. This is useful for
-producing multiple files with identical color maps, or for forcing a
-predefined set of colors to be used. The
-.I file
-must be a GIF or PPM file. This option overrides
-.B \-colors
-and
-.BR \-onepass .
-.TP
-.B \-nosmooth
-Use a faster, lower-quality upsampling routine.
-.TP
-.B \-onepass
-Use one-pass instead of two-pass color quantization. The one-pass method is
-faster and needs less memory, but it produces a lower-quality image.
-.B \-onepass
-is ignored unless you also say
-.B \-colors
-.IR N .
-Also, the one-pass method is always used for gray-scale output (the two-pass
-method is no improvement then).
-.TP
-.BI \-maxmemory " N"
-Set limit for amount of memory to use in processing large images. Value is
-in thousands of bytes, or millions of bytes if "M" is attached to the
-number. For example,
-.B \-max 4m
-selects 4000000 bytes. If more space is needed, temporary files will be used.
-.TP
-.BI \-outfile " name"
-Send output image to the named file, not to standard output.
-.TP
-.B \-verbose
-Enable debug printout. More
-.BR \-v 's
-give more output. Also, version information is printed at startup.
-.TP
-.B \-debug
-Same as
-.BR \-verbose .
-.SH EXAMPLES
-.LP
-This example decompresses the JPEG file foo.jpg, automatically quantizes to
-256 colors, and saves the output in GIF format in foo.gif:
-.IP
-.B djpeg \-gif
-.I foo.jpg
-.B >
-.I foo.gif
-.SH HINTS
-To get a quick preview of an image, use the
-.B \-grayscale
-and/or
-.B \-scale
-switches.
-.B \-grayscale \-scale 1/8
-is the fastest case.
-.PP
-Several options are available that trade off image quality to gain speed.
-.B \-fast
-turns on the recommended settings.
-.PP
-.B \-dct fast
-and/or
-.B \-nosmooth
-gain speed at a small sacrifice in quality.
-When producing a color-quantized image,
-.B \-onepass \-dither ordered
-is fast but much lower quality than the default behavior.
-.B \-dither none
-may give acceptable results in two-pass mode, but is seldom tolerable in
-one-pass mode.
-.PP
-If you are fortunate enough to have very fast floating point hardware,
-.B \-dct float
-may be even faster than \fB\-dct fast\fR.
-.SH ENVIRONMENT
-.TP
-.B JPEGMEM
-If this environment variable is set, its value is the default memory limit.
-The value is specified as described for the
-.B \-maxmemory
-switch.
-.B JPEGMEM
-overrides the default value specified when the program was compiled, and
-itself is overridden by an explicit
-.BR \-maxmemory .
-.SH SEE ALSO
-.BR cjpeg (1),
-.BR rdjpgcom (1),
-.BR wrjpgcom (1)
-.br
-.BR ppm (5),
-.BR pgm (5)
-.br
-Wallace, Gregory K. "The JPEG Still Picture Compression Standard",
-Communications of the ACM, April 1991 (vol. 34, no. 4), pp. 30-44.
-.SH AUTHOR
-Independent JPEG Group
-.SH BUGS
-Arithmetic coding is not supported for legal reasons.
-.PP
-Still not as fast as we'd like.
diff --git a/jpeg/djpeg.c b/jpeg/djpeg.c
deleted file mode 100644
index 0df37552e8..0000000000
--- a/jpeg/djpeg.c
+++ /dev/null
@@ -1,736 +0,0 @@
-/*
- * djpeg.c
- *
- * Copyright (C) 1991-1994, Thomas G. Lane.
- * This file is part of the Independent JPEG Group's software.
- * For conditions of distribution and use, see the accompanying README file.
- *
- * This file contains a command-line user interface for the JPEG decompressor.
- * It should work on any system with Unix- or MS-DOS-style command lines.
- *
- * Two different command line styles are permitted, depending on the
- * compile-time switch TWO_FILE_COMMANDLINE:
- * djpeg [options] inputfile outputfile
- * djpeg [options] [inputfile]
- * In the second style, output is always to standard output, which you'd
- * normally redirect to a file or pipe to some other program. Input is
- * either from a named file or from standard input (typically redirected).
- * The second style is convenient on Unix but is unhelpful on systems that
- * don't support pipes. Also, you MUST use the first style if your system
- * doesn't do binary I/O to stdin/stdout.
- * To simplify script writing, the "-outfile" switch is provided. The syntax
- * djpeg [options] -outfile outputfile inputfile
- * works regardless of which command line style is used.
- */
-
-#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */
-#define JMAKE_MSG_TABLE
-#include "cderror.h" /* create message string table */
-#include "jversion.h" /* for version message */
-
-#include <ctype.h> /* to declare isupper(),tolower(),isprint() */
-#ifdef NEED_SIGNAL_CATCHER
-#include <signal.h> /* to declare signal() */
-#endif
-#ifdef USE_SETMODE
-#include <fcntl.h> /* to declare setmode()'s parameter macros */
-/* If you have setmode() but not <io.h>, just delete this line: */
-#include <io.h> /* to declare setmode() */
-#endif
-
-#ifdef USE_CCOMMAND /* command-line reader for Macintosh */
-#ifdef __MWERKS__
-#include <SIOUX.h> /* Metrowerks declares it here */
-#endif
-#ifdef THINK_C
-#include <console.h> /* Think declares it here */
-#endif
-#endif
-
-#ifdef DONT_USE_B_MODE /* define mode parameters for fopen() */
-#define READ_BINARY "r"
-#define WRITE_BINARY "w"
-#else
-#define READ_BINARY "rb"
-#define WRITE_BINARY "wb"
-#endif
-
-#ifndef EXIT_FAILURE /* define exit() codes if not provided */
-#define EXIT_FAILURE 1
-#endif
-#ifndef EXIT_SUCCESS
-#ifdef VMS
-#define EXIT_SUCCESS 1 /* VMS is very nonstandard */
-#else
-#define EXIT_SUCCESS 0
-#endif
-#endif
-#ifndef EXIT_WARNING
-#ifdef VMS
-#define EXIT_WARNING 1 /* VMS is very nonstandard */
-#else
-#define EXIT_WARNING 2
-#endif
-#endif
-
-
-/*
- * This list defines the known output image formats
- * (not all of which need be supported by a given version).
- * You can change the default output format by defining DEFAULT_FMT;
- * indeed, you had better do so if you undefine PPM_SUPPORTED.
- */
-
-typedef enum {
- FMT_BMP, /* BMP format (Windows flavor) */
- FMT_GIF, /* GIF format */
- FMT_OS2, /* BMP format (OS/2 flavor) */
- FMT_PPM, /* PPM/PGM (PBMPLUS formats) */
- FMT_RLE, /* RLE format */
- FMT_TARGA, /* Targa format */
- FMT_TIFF /* TIFF format */
-} IMAGE_FORMATS;
-
-#ifndef DEFAULT_FMT /* so can override from CFLAGS in Makefile */
-#define DEFAULT_FMT FMT_PPM
-#endif
-
-static IMAGE_FORMATS requested_fmt;
-
-
-/*
- * Signal catcher to ensure that temporary files are removed before aborting.
- * NB: for Amiga Manx C this is actually a global routine named _abort();
- * we put "#define signal_catcher _abort" in jconfig.h. Talk about bogus...
- */
-
-#ifdef NEED_SIGNAL_CATCHER
-
-static j_common_ptr sig_cinfo;
-
-GLOBAL void
-signal_catcher (int signum)
-{
- if (sig_cinfo != NULL) {
- if (sig_cinfo->err != NULL) /* turn off trace output */
- sig_cinfo->err->trace_level = 0;
- jpeg_destroy(sig_cinfo); /* clean up memory allocation & temp files */
- }
- exit(EXIT_FAILURE);
-}
-
-#endif
-
-
-/*
- * Optional routine to display a percent-done figure on stderr.
- */
-
-#ifdef PROGRESS_REPORT
-
-METHODDEF void
-progress_monitor (j_common_ptr cinfo)
-{
- cd_progress_ptr prog = (cd_progress_ptr) cinfo->progress;
- int total_passes = prog->pub.total_passes + prog->total_extra_passes;
- int percent_done = (int) (prog->pub.pass_counter*100L/prog->pub.pass_limit);
-
- if (percent_done != prog->percent_done) {
- prog->percent_done = percent_done;
- if (total_passes > 1) {
- fprintf(stderr, "\rPass %d/%d: %3d%% ",
- prog->pub.completed_passes + prog->completed_extra_passes + 1,
- total_passes, percent_done);
- } else {
- fprintf(stderr, "\r %3d%% ", percent_done);
- }
- fflush(stderr);
- }
-}
-
-#endif
-
-
-/*
- * Argument-parsing code.
- * The switch parser is designed to be useful with DOS-style command line
- * syntax, ie, intermixed switches and file names, where only the switches
- * to the left of a given file name affect processing of that file.
- * The main program in this file doesn't actually use this capability...
- */
-
-
-static const char * progname; /* program name for error messages */
-static char * outfilename; /* for -outfile switch */
-
-
-LOCAL void
-usage (void)
-/* complain about bad command line */
-{
- fprintf(stderr, "usage: %s [switches] ", progname);
-#ifdef TWO_FILE_COMMANDLINE
- fprintf(stderr, "inputfile outputfile\n");
-#else
- fprintf(stderr, "[inputfile]\n");
-#endif
-
- fprintf(stderr, "Switches (names may be abbreviated):\n");
- fprintf(stderr, " -colors N Reduce image to no more than N colors\n");
- fprintf(stderr, " -fast Fast, low-quality processing\n");
- fprintf(stderr, " -grayscale Force grayscale output\n");
-#ifdef IDCT_SCALING_SUPPORTED
- fprintf(stderr, " -scale M/N Scale output image by fraction M/N, eg, 1/8\n");
-#endif
-#ifdef BMP_SUPPORTED
- fprintf(stderr, " -bmp Select BMP output format (Windows style)%s\n",
- (DEFAULT_FMT == FMT_BMP ? " (default)" : ""));
-#endif
-#ifdef GIF_SUPPORTED
- fprintf(stderr, " -gif Select GIF output format%s\n",
- (DEFAULT_FMT == FMT_GIF ? " (default)" : ""));
-#endif
-#ifdef BMP_SUPPORTED
- fprintf(stderr, " -os2 Select BMP output format (OS/2 style)%s\n",
- (DEFAULT_FMT == FMT_OS2 ? " (default)" : ""));
-#endif
-#ifdef PPM_SUPPORTED
- fprintf(stderr, " -pnm Select PBMPLUS (PPM/PGM) output format%s\n",
- (DEFAULT_FMT == FMT_PPM ? " (default)" : ""));
-#endif
-#ifdef RLE_SUPPORTED
- fprintf(stderr, " -rle Select Utah RLE output format%s\n",
- (DEFAULT_FMT == FMT_RLE ? " (default)" : ""));
-#endif
-#ifdef TARGA_SUPPORTED
- fprintf(stderr, " -targa Select Targa output format%s\n",
- (DEFAULT_FMT == FMT_TARGA ? " (default)" : ""));
-#endif
- fprintf(stderr, "Switches for advanced users:\n");
-#ifdef DCT_ISLOW_SUPPORTED
- fprintf(stderr, " -dct int Use integer DCT method%s\n",
- (JDCT_DEFAULT == JDCT_ISLOW ? " (default)" : ""));
-#endif
-#ifdef DCT_IFAST_SUPPORTED
- fprintf(stderr, " -dct fast Use fast integer DCT (less accurate)%s\n",
- (JDCT_DEFAULT == JDCT_IFAST ? " (default)" : ""));
-#endif
-#ifdef DCT_FLOAT_SUPPORTED
- fprintf(stderr, " -dct float Use floating-point DCT method%s\n",
- (JDCT_DEFAULT == JDCT_FLOAT ? " (default)" : ""));
-#endif
- fprintf(stderr, " -dither fs Use F-S dithering (default)\n");
- fprintf(stderr, " -dither none Don't use dithering in quantization\n");
- fprintf(stderr, " -dither ordered Use ordered dither (medium speed, quality)\n");
-#ifdef QUANT_2PASS_SUPPORTED
- fprintf(stderr, " -map FILE Map to colors used in named image file\n");
-#endif
- fprintf(stderr, " -nosmooth Don't use high-quality upsampling\n");
-#ifdef QUANT_1PASS_SUPPORTED
- fprintf(stderr, " -onepass Use 1-pass quantization (fast, low quality)\n");
-#endif
- fprintf(stderr, " -maxmemory N Maximum memory to use (in kbytes)\n");
- fprintf(stderr, " -outfile name Specify name for output file\n");
- fprintf(stderr, " -verbose or -debug Emit debug output\n");
- exit(EXIT_FAILURE);
-}
-
-
-LOCAL boolean
-keymatch (char * arg, const char * keyword, int minchars)
-/* Case-insensitive matching of (possibly abbreviated) keyword switches. */
-/* keyword is the constant keyword (must be lower case already), */
-/* minchars is length of minimum legal abbreviation. */
-{
- register int ca, ck;
- register int nmatched = 0;
-
- while ((ca = *arg++) != '\0') {
- if ((ck = *keyword++) == '\0')
- return FALSE; /* arg longer than keyword, no good */
- if (isupper(ca)) /* force arg to lcase (assume ck is already) */
- ca = tolower(ca);
- if (ca != ck)
- return FALSE; /* no good */
- nmatched++; /* count matched characters */
- }
- /* reached end of argument; fail if it's too short for unique abbrev */
- if (nmatched < minchars)
- return FALSE;
- return TRUE; /* A-OK */
-}
-
-
-LOCAL int
-parse_switches (j_decompress_ptr cinfo, int argc, char **argv,
- int last_file_arg_seen, boolean for_real)
-/* Parse optional switches.
- * Returns argv[] index of first file-name argument (== argc if none).
- * Any file names with indexes <= last_file_arg_seen are ignored;
- * they have presumably been processed in a previous iteration.
- * (Pass 0 for last_file_arg_seen on the first or only iteration.)
- * for_real is FALSE on the first (dummy) pass; we may skip any expensive
- * processing.
- */
-{
- int argn;
- char * arg;
-
- /* Set up default JPEG parameters. */
- requested_fmt = DEFAULT_FMT; /* set default output file format */
- outfilename = NULL;
- cinfo->err->trace_level = 0;
-
- /* Scan command line options, adjust parameters */
-
- for (argn = 1; argn < argc; argn++) {
- arg = argv[argn];
- if (*arg != '-') {
- /* Not a switch, must be a file name argument */
- if (argn <= last_file_arg_seen) {
- outfilename = NULL; /* -outfile applies to just one input file */
- continue; /* ignore this name if previously processed */
- }
- break; /* else done parsing switches */
- }
- arg++; /* advance past switch marker character */
-
- if (keymatch(arg, "bmp", 1)) {
- /* BMP output format. */
- requested_fmt = FMT_BMP;
-
- } else if (keymatch(arg, "colors", 1) || keymatch(arg, "colours", 1) ||
- keymatch(arg, "quantize", 1) || keymatch(arg, "quantise", 1)) {
- /* Do color quantization. */
- int val;
-
- if (++argn >= argc) /* advance to next argument */
- usage();
- if (sscanf(argv[argn], "%d", &val) != 1)
- usage();
- cinfo->desired_number_of_colors = val;
- cinfo->quantize_colors = TRUE;
-
- } else if (keymatch(arg, "dct", 2)) {
- /* Select IDCT algorithm. */
- if (++argn >= argc) /* advance to next argument */
- usage();
- if (keymatch(argv[argn], "int", 1)) {
- cinfo->dct_method = JDCT_ISLOW;
- } else if (keymatch(argv[argn], "fast", 2)) {
- cinfo->dct_method = JDCT_IFAST;
- } else if (keymatch(argv[argn], "float", 2)) {
- cinfo->dct_method = JDCT_FLOAT;
- } else
- usage();
-
- } else if (keymatch(arg, "dither", 2)) {
- /* Select dithering algorithm. */
- if (++argn >= argc) /* advance to next argument */
- usage();
- if (keymatch(argv[argn], "fs", 2)) {
- cinfo->dither_mode = JDITHER_FS;
- } else if (keymatch(argv[argn], "none", 2)) {
- cinfo->dither_mode = JDITHER_NONE;
- } else if (keymatch(argv[argn], "ordered", 2)) {
- cinfo->dither_mode = JDITHER_ORDERED;
- } else
- usage();
-
- } else if (keymatch(arg, "debug", 1) || keymatch(arg, "verbose", 1)) {
- /* Enable debug printouts. */
- /* On first -d, print version identification */
- static boolean printed_version = FALSE;
-
- if (! printed_version) {
- fprintf(stderr, "Independent JPEG Group's DJPEG, version %s\n%s\n",
- JVERSION, JCOPYRIGHT);
- printed_version = TRUE;
- }
- cinfo->err->trace_level++;
-
- } else if (keymatch(arg, "fast", 1)) {
- /* Select recommended processing options for quick-and-dirty output. */
- cinfo->two_pass_quantize = FALSE;
- cinfo->dither_mode = JDITHER_ORDERED;
- if (! cinfo->quantize_colors) /* don't override an earlier -colors */
- cinfo->desired_number_of_colors = 216;
- cinfo->dct_method = JDCT_FASTEST;
- cinfo->do_fancy_upsampling = FALSE;
-
- } else if (keymatch(arg, "gif", 1)) {
- /* GIF output format. */
- requested_fmt = FMT_GIF;
-
- } else if (keymatch(arg, "grayscale", 2) || keymatch(arg, "greyscale",2)) {
- /* Force monochrome output. */
- cinfo->out_color_space = JCS_GRAYSCALE;
-
- } else if (keymatch(arg, "map", 3)) {
- /* Quantize to a color map taken from an input file. */
- if (++argn >= argc) /* advance to next argument */
- usage();
- if (for_real) { /* too expensive to do twice! */
-#ifdef QUANT_2PASS_SUPPORTED /* otherwise can't quantize to supplied map */
- FILE * mapfile;
-
- if ((mapfile = fopen(argv[argn], READ_BINARY)) == NULL) {
- fprintf(stderr, "%s: can't open %s\n", progname, argv[argn]);
- exit(EXIT_FAILURE);
- }
- read_color_map(cinfo, mapfile);
- fclose(mapfile);
- cinfo->quantize_colors = TRUE;
-#else
- ERREXIT(cinfo, JERR_NOT_COMPILED);
-#endif
- }
-
- } else if (keymatch(arg, "maxmemory", 3)) {
- /* Maximum memory in Kb (or Mb with 'm'). */
- long lval;
- char ch = 'x';
-
- if (++argn >= argc) /* advance to next argument */
- usage();
- if (sscanf(argv[argn], "%ld%c", &lval, &ch) < 1)
- usage();
- if (ch == 'm' || ch == 'M')
- lval *= 1000L;
- cinfo->mem->max_memory_to_use = lval * 1000L;
-
- } else if (keymatch(arg, "nosmooth", 3)) {
- /* Suppress fancy upsampling */
- cinfo->do_fancy_upsampling = FALSE;
-
- } else if (keymatch(arg, "onepass", 3)) {
- /* Use fast one-pass quantization. */
- cinfo->two_pass_quantize = FALSE;
-
- } else if (keymatch(arg, "os2", 3)) {
- /* BMP output format (OS/2 flavor). */
- requested_fmt = FMT_OS2;
-
- } else if (keymatch(arg, "outfile", 4)) {
- /* Set output file name. */
- if (++argn >= argc) /* advance to next argument */
- usage();
- outfilename = argv[argn]; /* save it away for later use */
-
- } else if (keymatch(arg, "pnm", 1) || keymatch(arg, "ppm", 1)) {
- /* PPM/PGM output format. */
- requested_fmt = FMT_PPM;
-
- } else if (keymatch(arg, "rle", 1)) {
- /* RLE output format. */
- requested_fmt = FMT_RLE;
-
- } else if (keymatch(arg, "scale", 1)) {
- /* Scale the output image by a fraction M/N. */
- if (++argn >= argc) /* advance to next argument */
- usage();
- if (sscanf(argv[argn], "%d/%d",
- &cinfo->scale_num, &cinfo->scale_denom) != 2)
- usage();
-
- } else if (keymatch(arg, "targa", 1)) {
- /* Targa output format. */
- requested_fmt = FMT_TARGA;
-
- } else {
- usage(); /* bogus switch */
- }
- }
-
- return argn; /* return index of next arg (file name) */
-}
-
-
-/*
- * Marker processor for COM markers.
- * This replaces the library's built-in processor, which just skips the marker.
- * We want to print out the marker as text, if possible.
- * Note this code relies on a non-suspending data source.
- */
-
-LOCAL unsigned int
-jpeg_getc (j_decompress_ptr cinfo)
-/* Read next byte */
-{
- struct jpeg_source_mgr * datasrc = cinfo->src;
-
- if (datasrc->bytes_in_buffer == 0) {
- if (! (*datasrc->fill_input_buffer) (cinfo))
- ERREXIT(cinfo, JERR_CANT_SUSPEND);
- }
- datasrc->bytes_in_buffer--;
- return GETJOCTET(*datasrc->next_input_byte++);
-}
-
-
-METHODDEF boolean
-COM_handler (j_decompress_ptr cinfo)
-{
- boolean traceit = (cinfo->err->trace_level >= 1);
- INT32 length;
- unsigned int ch;
- unsigned int lastch = 0;
-
- length = jpeg_getc(cinfo) << 8;
- length += jpeg_getc(cinfo);
- length -= 2; /* discount the length word itself */
-
- if (traceit)
- fprintf(stderr, "Comment, length %ld:\n", (long) length);
-
- while (--length >= 0) {
- ch = jpeg_getc(cinfo);
- if (traceit) {
- /* Emit the character in a readable form.
- * Nonprintables are converted to \nnn form,
- * while \ is converted to \\.
- * Newlines in CR, CR/LF, or LF form will be printed as one newline.
- */
- if (ch == '\r') {
- fprintf(stderr, "\n");
- } else if (ch == '\n') {
- if (lastch != '\r')
- fprintf(stderr, "\n");
- } else if (ch == '\\') {
- fprintf(stderr, "\\\\");
- } else if (isprint(ch)) {
- putc(ch, stderr);
- } else {
- fprintf(stderr, "\\%03o", ch);
- }
- lastch = ch;
- }
- }
-
- if (traceit)
- fprintf(stderr, "\n");
-
- return TRUE;
-}
-
-
-/*
- * The main program.
- */
-
-GLOBAL int
-main (int argc, char **argv)
-{
- struct jpeg_decompress_struct cinfo;
- struct jpeg_error_mgr jerr;
-#ifdef PROGRESS_REPORT
- struct cdjpeg_progress_mgr progress;
-#endif
- int file_index;
- djpeg_dest_ptr dest_mgr = NULL;
- FILE * input_file;
- FILE * output_file;
- JDIMENSION num_scanlines;
-
- /* On Mac, fetch a command line. */
-#ifdef USE_CCOMMAND
- argc = ccommand(&argv);
-#endif
-
- progname = argv[0];
- if (progname == NULL || progname[0] == 0)
- progname = "djpeg"; /* in case C library doesn't provide it */
-
- /* Initialize the JPEG decompression object with default error handling. */
- cinfo.err = jpeg_std_error(&jerr);
- jpeg_create_decompress(&cinfo);
- /* Add some application-specific error messages (from cderror.h) */
- jerr.addon_message_table = addon_message_table;
- jerr.first_addon_message = JMSG_FIRSTADDONCODE;
- jerr.last_addon_message = JMSG_LASTADDONCODE;
- /* Insert custom COM marker processor. */
- jpeg_set_marker_processor(&cinfo, JPEG_COM, COM_handler);
-
- /* Now safe to enable signal catcher. */
-#ifdef NEED_SIGNAL_CATCHER
- sig_cinfo = (j_common_ptr) &cinfo;
- signal(SIGINT, signal_catcher);
-#ifdef SIGTERM /* not all systems have SIGTERM */
- signal(SIGTERM, signal_catcher);
-#endif
-#endif
-
- /* Scan command line to find file names. */
- /* It is convenient to use just one switch-parsing routine, but the switch
- * values read here are ignored; we will rescan the switches after opening
- * the input file.
- * (Exception: tracing level set here controls verbosity for COM markers
- * found during jpeg_read_header...)
- */
-
- file_index = parse_switches(&cinfo, argc, argv, 0, FALSE);
-
-#ifdef TWO_FILE_COMMANDLINE
- /* Must have either -outfile switch or explicit output file name */
- if (outfilename == NULL) {
- if (file_index != argc-2) {
- fprintf(stderr, "%s: must name one input and one output file\n",
- progname);
- usage();
- }
- outfilename = argv[file_index+1];
- } else {
- if (file_index != argc-1) {
- fprintf(stderr, "%s: must name one input and one output file\n",
- progname);
- usage();
- }
- }
-#else
- /* Unix style: expect zero or one file name */
- if (file_index < argc-1) {
- fprintf(stderr, "%s: only one input file\n", progname);
- usage();
- }
-#endif /* TWO_FILE_COMMANDLINE */
-
- /* Open the input file. */
- if (file_index < argc) {
- if ((input_file = fopen(argv[file_index], READ_BINARY)) == NULL) {
- fprintf(stderr, "%s: can't open %s\n", progname, argv[file_index]);
- exit(EXIT_FAILURE);
- }
- } else {
- /* default input file is stdin */
-#ifdef USE_SETMODE /* need to hack file mode? */
- setmode(fileno(stdin), O_BINARY);
-#endif
-#ifdef USE_FDOPEN /* need to re-open in binary mode? */
- if ((input_file = fdopen(fileno(stdin), READ_BINARY)) == NULL) {
- fprintf(stderr, "%s: can't open stdin\n", progname);
- exit(EXIT_FAILURE);
- }
-#else
- input_file = stdin;
-#endif
- }
-
- /* Open the output file. */
- if (outfilename != NULL) {
- if ((output_file = fopen(outfilename, WRITE_BINARY)) == NULL) {
- fprintf(stderr, "%s: can't open %s\n", progname, outfilename);
- exit(EXIT_FAILURE);
- }
- } else {
- /* default output file is stdout */
-#ifdef USE_SETMODE /* need to hack file mode? */
- setmode(fileno(stdout), O_BINARY);
-#endif
-#ifdef USE_FDOPEN /* need to re-open in binary mode? */
- if ((output_file = fdopen(fileno(stdout), WRITE_BINARY)) == NULL) {
- fprintf(stderr, "%s: can't open stdout\n", progname);
- exit(EXIT_FAILURE);
- }
-#else
- output_file = stdout;
-#endif
- }
-
-#ifdef PROGRESS_REPORT
- /* Enable progress display, unless trace output is on */
- if (jerr.trace_level == 0) {
- progress.pub.progress_monitor = progress_monitor;
- progress.completed_extra_passes = 0;
- progress.total_extra_passes = 0;
- progress.percent_done = -1;
- cinfo.progress = &progress.pub;
- }
-#endif
-
- /* Specify data source for decompression */
- jpeg_stdio_src(&cinfo, input_file);
-
- /* Read file header, set default decompression parameters */
- (void) jpeg_read_header(&cinfo, TRUE);
-
- /* Adjust default decompression parameters by re-parsing the options */
- file_index = parse_switches(&cinfo, argc, argv, 0, TRUE);
-
- /* Initialize the output module now to let it override any crucial
- * option settings (for instance, GIF wants to force color quantization).
- */
- switch (requested_fmt) {
-#ifdef BMP_SUPPORTED
- case FMT_BMP:
- dest_mgr = jinit_write_bmp(&cinfo, FALSE);
- break;
- case FMT_OS2:
- dest_mgr = jinit_write_bmp(&cinfo, TRUE);
- break;
-#endif
-#ifdef GIF_SUPPORTED
- case FMT_GIF:
- dest_mgr = jinit_write_gif(&cinfo);
- break;
-#endif
-#ifdef PPM_SUPPORTED
- case FMT_PPM:
- dest_mgr = jinit_write_ppm(&cinfo);
- break;
-#endif
-#ifdef RLE_SUPPORTED
- case FMT_RLE:
- dest_mgr = jinit_write_rle(&cinfo);
- break;
-#endif
-#ifdef TARGA_SUPPORTED
- case FMT_TARGA:
- dest_mgr = jinit_write_targa(&cinfo);
- break;
-#endif
- default:
- ERREXIT(&cinfo, JERR_UNSUPPORTED_FORMAT);
- break;
- }
- dest_mgr->output_file = output_file;
-
- /* Start decompressor */
- jpeg_start_decompress(&cinfo);
-
- /* Write output file header */
- (*dest_mgr->start_output) (&cinfo, dest_mgr);
-
- /* Process data */
- while (cinfo.output_scanline < cinfo.output_height) {
- num_scanlines = jpeg_read_scanlines(&cinfo, dest_mgr->buffer,
- dest_mgr->buffer_height);
- (*dest_mgr->put_pixel_rows) (&cinfo, dest_mgr, num_scanlines);
- }
-
-#ifdef PROGRESS_REPORT
- /* Hack: count final pass as done in case finish_output does an extra pass.
- * The library won't have updated completed_passes.
- */
- progress.pub.completed_passes = progress.pub.total_passes;
-#endif
-
- /* Finish decompression and release memory.
- * I must do it in this order because output module has allocated memory
- * of lifespan JPOOL_IMAGE; it needs to finish before releasing memory.
- */
- (*dest_mgr->finish_output) (&cinfo, dest_mgr);
- jpeg_finish_decompress(&cinfo);
- jpeg_destroy_decompress(&cinfo);
-
-#ifdef PROGRESS_REPORT
- /* Clear away progress display */
- if (jerr.trace_level == 0) {
- fprintf(stderr, "\r \r");
- fflush(stderr);
- }
-#endif
-
- /* All done. */
- exit(jerr.num_warnings ? EXIT_WARNING : EXIT_SUCCESS);
- return 0; /* suppress no-return-value warnings */
-}
diff --git a/jpeg/example.c b/jpeg/example.c
deleted file mode 100644
index cb8c64a179..0000000000
--- a/jpeg/example.c
+++ /dev/null
@@ -1,417 +0,0 @@
-/*
- * example.c
- *
- * This file illustrates how to use the IJG code as a subroutine library
- * to read or write JPEG image files. You should look at this code in
- * conjunction with the documentation file libjpeg.doc.
- *
- * This code will not do anything useful as-is, but it may be helpful as a
- * skeleton for constructing routines that call the JPEG library.
- *
- * We present these routines in the same coding style used in the JPEG code
- * (ANSI function definitions, etc); but you are of course free to code your
- * routines in a different style if you prefer.
- */
-
-#include <stdio.h>
-
-/*
- * Include file for users of JPEG library.
- * You will need to have included system headers that define at least
- * the typedefs FILE and size_t before you can include jpeglib.h.
- * (stdio.h is sufficient on ANSI-conforming systems.)
- * You may also wish to include "jerror.h".
- */
-
-#include "jpeglib.h"
-
-/*
- * <setjmp.h> is used for the optional error recovery mechanism shown in
- * the second part of the example.
- */
-
-#include <setjmp.h>
-
-
-
-/******************** JPEG COMPRESSION SAMPLE INTERFACE *******************/
-
-/* This half of the example shows how to feed data into the JPEG compressor.
- * We present a minimal version that does not worry about refinements such
- * as error recovery (the JPEG code will just exit() if it gets an error).
- */
-
-
-/*
- * IMAGE DATA FORMATS:
- *
- * The standard input image format is a rectangular array of pixels, with
- * each pixel having the same number of "component" values (color channels).
- * Each pixel row is an array of JSAMPLEs (which typically are unsigned chars).
- * If you are working with color data, then the color values for each pixel
- * must be adjacent in the row; for example, R,G,B,R,G,B,R,G,B,... for 24-bit
- * RGB color.
- *
- * For this example, we'll assume that this data structure matches the way
- * our application has stored the image in memory, so we can just pass a
- * pointer to our image buffer. In particular, let's say that the image is
- * RGB color and is described by:
- */
-
-extern JSAMPLE * image_buffer; /* Points to large array of R,G,B-order data */
-extern int image_height; /* Number of rows in image */
-extern int image_width; /* Number of columns in image */
-
-
-/*
- * Sample routine for JPEG compression. We assume that the target file name
- * and a compression quality factor are passed in.
- */
-
-GLOBAL void
-write_JPEG_file (char * filename, int quality)
-{
- /* This struct contains the JPEG compression parameters and pointers to
- * working space (which is allocated as needed by the JPEG library).
- * It is possible to have several such structures, representing multiple
- * compression/decompression processes, in existence at once. We refer
- * to any one struct (and its associated working data) as a "JPEG object".
- */
- struct jpeg_compress_struct cinfo;
- /* This struct represents a JPEG error handler. It is declared separately
- * because applications often want to supply a specialized error handler
- * (see the second half of this file for an example). But here we just
- * take the easy way out and use the standard error handler, which will
- * print a message on stderr and call exit() if compression fails.
- */
- struct jpeg_error_mgr jerr;
- /* More stuff */
- FILE * outfile; /* target file */
- JSAMPROW row_pointer[1]; /* pointer to JSAMPLE row[s] */
- int row_stride; /* physical row width in image buffer */
-
- /* Step 1: allocate and initialize JPEG compression object */
-
- /* We have to set up the error handler first, in case the initialization
- * step fails. (Unlikely, but it could happen if you are out of memory.)
- * This routine fills in the contents of struct jerr, and returns jerr's
- * address which we place into the link field in cinfo.
- */
- cinfo.err = jpeg_std_error(&jerr);
- /* Now we can initialize the JPEG compression object. */
- jpeg_create_compress(&cinfo);
-
- /* Step 2: specify data destination (eg, a file) */
- /* Note: steps 2 and 3 can be done in either order. */
-
- /* Here we use the library-supplied code to send compressed data to a
- * stdio stream. You can also write your own code to do something else.
- * VERY IMPORTANT: use "b" option to fopen() if you are on a machine that
- * requires it in order to write binary files.
- */
- if ((outfile = fopen(filename, "wb")) == NULL) {
- fprintf(stderr, "can't open %s\n", filename);
- exit(1);
- }
- jpeg_stdio_dest(&cinfo, outfile);
-
- /* Step 3: set parameters for compression */
-
- /* First we supply a description of the input image.
- * Four fields of the cinfo struct must be filled in:
- */
- cinfo.image_width = image_width; /* image width and height, in pixels */
- cinfo.image_height = image_height;
- cinfo.input_components = 3; /* # of color components per pixel */
- cinfo.in_color_space = JCS_RGB; /* colorspace of input image */
- /* Now use the library's routine to set default compression parameters.
- * (You must set at least cinfo.in_color_space before calling this,
- * since the defaults depend on the source color space.)
- */
- jpeg_set_defaults(&cinfo);
- /* Now you can set any non-default parameters you wish to.
- * Here we just illustrate the use of quality (quantization table) scaling:
- */
- jpeg_set_quality(&cinfo, quality, TRUE /* limit to baseline-JPEG values */);
-
- /* Step 4: Start compressor */
-
- /* TRUE ensures that we will write a complete interchange-JPEG file.
- * Pass TRUE unless you are very sure of what you're doing.
- */
- jpeg_start_compress(&cinfo, TRUE);
-
- /* Step 5: while (scan lines remain to be written) */
- /* jpeg_write_scanlines(...); */
-
- /* Here we use the library's state variable cinfo.next_scanline as the
- * loop counter, so that we don't have to keep track ourselves.
- * To keep things simple, we pass one scanline per call; you can pass
- * more if you wish, though.
- */
- row_stride = image_width * 3; /* JSAMPLEs per row in image_buffer */
-
- while (cinfo.next_scanline < cinfo.image_height) {
- row_pointer[0] = & image_buffer[cinfo.next_scanline * row_stride];
- (void) jpeg_write_scanlines(&cinfo, row_pointer, 1);
- }
-
- /* Step 6: Finish compression */
-
- jpeg_finish_compress(&cinfo);
- /* After finish_compress, we can close the output file. */
- fclose(outfile);
-
- /* Step 7: release JPEG compression object */
-
- /* This is an important step since it will release a good deal of memory. */
- jpeg_destroy_compress(&cinfo);
-
- /* And we're done! */
-}
-
-
-/*
- * SOME FINE POINTS:
- *
- * In the above loop, we ignored the return value of jpeg_write_scanlines,
- * which is the number of scanlines actually written. We could get away
- * with this because we were only relying on the value of cinfo.next_scanline,
- * which will be incremented correctly. If you maintain additional loop
- * variables then you should be careful to increment them properly.
- * Actually, for output to a stdio stream you needn't worry, because
- * then jpeg_write_scanlines will write all the lines passed (or else exit
- * with a fatal error). Partial writes can only occur if you use a data
- * destination module that can demand suspension of the compressor.
- * (If you don't know what that's for, you don't need it.)
- *
- * If the compressor requires full-image buffers (for entropy-coding
- * optimization or a noninterleaved JPEG file), it will create temporary
- * files for anything that doesn't fit within the maximum-memory setting.
- * (Note that temp files are NOT needed if you use the default parameters.)
- * On some systems you may need to set up a signal handler to ensure that
- * temporary files are deleted if the program is interrupted. See libjpeg.doc.
- *
- * Scanlines MUST be supplied in top-to-bottom order if you want your JPEG
- * files to be compatible with everyone else's. If you cannot readily read
- * your data in that order, you'll need an intermediate array to hold the
- * image. See rdtarga.c or rdbmp.c for examples of handling bottom-to-top
- * source data using the JPEG code's internal virtual-array mechanisms.
- */
-
-
-
-/******************** JPEG DECOMPRESSION SAMPLE INTERFACE *******************/
-
-/* This half of the example shows how to read data from the JPEG decompressor.
- * It's a bit more refined than the above, in that we show:
- * (a) how to modify the JPEG library's standard error-reporting behavior;
- * (b) how to allocate workspace using the library's memory manager.
- *
- * Just to make this example a little different from the first one, we'll
- * assume that we do not intend to put the whole image into an in-memory
- * buffer, but to send it line-by-line someplace else. We need a one-
- * scanline-high JSAMPLE array as a work buffer, and we will let the JPEG
- * memory manager allocate it for us. This approach is actually quite useful
- * because we don't need to remember to deallocate the buffer separately: it
- * will go away automatically when the JPEG object is cleaned up.
- */
-
-
-/*
- * ERROR HANDLING:
- *
- * The JPEG library's standard error handler (jerror.c) is divided into
- * several "methods" which you can override individually. This lets you
- * adjust the behavior without duplicating a lot of code, which you might
- * have to update with each future release.
- *
- * Our example here shows how to override the "error_exit" method so that
- * control is returned to the library's caller when a fatal error occurs,
- * rather than calling exit() as the standard error_exit method does.
- *
- * We use C's setjmp/longjmp facility to return control. This means that the
- * routine which calls the JPEG library must first execute a setjmp() call to
- * establish the return point. We want the replacement error_exit to do a
- * longjmp(). But we need to make the setjmp buffer accessible to the
- * error_exit routine. To do this, we make a private extension of the
- * standard JPEG error handler object. (If we were using C++, we'd say we
- * were making a subclass of the regular error handler.)
- *
- * Here's the extended error handler struct:
- */
-
-struct my_error_mgr {
- struct jpeg_error_mgr pub; /* "public" fields */
-
- jmp_buf setjmp_buffer; /* for return to caller */
-};
-
-typedef struct my_error_mgr * my_error_ptr;
-
-/*
- * Here's the routine that will replace the standard error_exit method:
- */
-
-METHODDEF void
-my_error_exit (j_common_ptr cinfo)
-{
- /* cinfo->err really points to a my_error_mgr struct, so coerce pointer */
- my_error_ptr myerr = (my_error_ptr) cinfo->err;
-
- /* Always display the message. */
- /* We could postpone this until after returning, if we chose. */
- (*cinfo->err->output_message) (cinfo);
-
- /* Return control to the setjmp point */
- longjmp(myerr->setjmp_buffer, 1);
-}
-
-
-/*
- * Sample routine for JPEG decompression. We assume that the source file name
- * is passed in. We want to return 1 on success, 0 on error.
- */
-
-
-GLOBAL int
-read_JPEG_file (char * filename)
-{
- /* This struct contains the JPEG decompression parameters and pointers to
- * working space (which is allocated as needed by the JPEG library).
- */
- struct jpeg_decompress_struct cinfo;
- /* We use our private extension JPEG error handler. */
- struct my_error_mgr jerr;
- /* More stuff */
- FILE * infile; /* source file */
- JSAMPARRAY buffer; /* Output row buffer */
- int row_stride; /* physical row width in output buffer */
-
- /* In this example we want to open the input file before doing anything else,
- * so that the setjmp() error recovery below can assume the file is open.
- * VERY IMPORTANT: use "b" option to fopen() if you are on a machine that
- * requires it in order to read binary files.
- */
-
- if ((infile = fopen(filename, "rb")) == NULL) {
- fprintf(stderr, "can't open %s\n", filename);
- return 0;
- }
-
- /* Step 1: allocate and initialize JPEG decompression object */
-
- /* We set up the normal JPEG error routines, then override error_exit. */
- cinfo.err = jpeg_std_error(&jerr.pub);
- jerr.pub.error_exit = my_error_exit;
- /* Establish the setjmp return context for my_error_exit to use. */
- if (setjmp(jerr.setjmp_buffer)) {
- /* If we get here, the JPEG code has signaled an error.
- * We need to clean up the JPEG object, close the input file, and return.
- */
- jpeg_destroy_decompress(&cinfo);
- fclose(infile);
- return 0;
- }
- /* Now we can initialize the JPEG decompression object. */
- jpeg_create_decompress(&cinfo);
-
- /* Step 2: specify data source (eg, a file) */
-
- jpeg_stdio_src(&cinfo, infile);
-
- /* Step 3: read file parameters with jpeg_read_header() */
-
- (void) jpeg_read_header(&cinfo, TRUE);
- /* We can ignore the return value from jpeg_read_header since
- * (a) suspension is not possible with the stdio data source, and
- * (b) we passed TRUE to reject a tables-only JPEG file as an error.
- * See libjpeg.doc for more info.
- */
-
- /* Step 4: set parameters for decompression */
-
- /* In this example, we don't need to change any of the defaults set by
- * jpeg_read_header(), so we do nothing here.
- */
-
- /* Step 5: Start decompressor */
-
- jpeg_start_decompress(&cinfo);
-
- /* We may need to do some setup of our own at this point before reading
- * the data. After jpeg_start_decompress() we have the correct scaled
- * output image dimensions available, as well as the output colormap
- * if we asked for color quantization.
- * In this example, we need to make an output work buffer of the right size.
- */
- /* JSAMPLEs per row in output buffer */
- row_stride = cinfo.output_width * cinfo.output_components;
- /* Make a one-row-high sample array that will go away when done with image */
- buffer = (*cinfo.mem->alloc_sarray)
- ((j_common_ptr) &cinfo, JPOOL_IMAGE, row_stride, 1);
-
- /* Step 6: while (scan lines remain to be read) */
- /* jpeg_read_scanlines(...); */
-
- /* Here we use the library's state variable cinfo.output_scanline as the
- * loop counter, so that we don't have to keep track ourselves.
- */
- while (cinfo.output_scanline < cinfo.output_height) {
- (void) jpeg_read_scanlines(&cinfo, buffer, 1);
- /* Assume put_scanline_someplace wants a pointer and sample count. */
- put_scanline_someplace(buffer[0], row_stride);
- }
-
- /* Step 7: Finish decompression */
-
- (void) jpeg_finish_decompress(&cinfo);
- /* We can ignore the return value since suspension is not possible
- * with the stdio data source.
- */
-
- /* Step 8: Release JPEG decompression object */
-
- /* This is an important step since it will release a good deal of memory. */
- jpeg_destroy_decompress(&cinfo);
-
- /* After finish_decompress, we can close the input file.
- * Here we postpone it until after no more JPEG errors are possible,
- * so as to simplify the setjmp error logic above. (Actually, I don't
- * think that jpeg_destroy can do an error exit, but why assume anything...)
- */
- fclose(infile);
-
- /* At this point you may want to check to see whether any corrupt-data
- * warnings occurred (test whether jerr.pub.num_warnings is nonzero).
- */
-
- /* And we're done! */
- return 1;
-}
-
-
-/*
- * SOME FINE POINTS:
- *
- * In the above code, we ignored the return value of jpeg_read_scanlines,
- * which is the number of scanlines actually read. We could get away with
- * this because we asked for only one line at a time and we weren't using
- * a suspending data source. See libjpeg.doc for more info.
- *
- * We cheated a bit by calling alloc_sarray() after jpeg_start_decompress();
- * we should have done it beforehand to ensure that the space would be
- * counted against the JPEG max_memory setting. In some systems the above
- * code would risk an out-of-memory error. However, in general we don't
- * know the output image dimensions before jpeg_start_decompress(), unless we
- * call jpeg_calc_output_dimensions(). See libjpeg.doc for more about this.
- *
- * Scanlines are returned in the same order as they appear in the JPEG file,
- * which is standardly top-to-bottom. If you must emit data bottom-to-top,
- * you can use one of the virtual arrays provided by the JPEG memory manager
- * to invert the data. See wrbmp.c for an example.
- *
- * As with compression, some operating modes may require temporary files.
- * On some systems you may need to set up a signal handler to ensure that
- * temporary files are deleted if the program is interrupted. See libjpeg.doc.
- */
diff --git a/jpeg/filelist.doc b/jpeg/filelist.doc
deleted file mode 100644
index 0965b74315..0000000000
--- a/jpeg/filelist.doc
+++ /dev/null
@@ -1,185 +0,0 @@
-IJG JPEG LIBRARY: FILE LIST
-
-Copyright (C) 1994, Thomas G. Lane.
-This file is part of the Independent JPEG Group's software.
-For conditions of distribution and use, see the accompanying README file.
-
-
-Here is a road map to the files in the IJG JPEG distribution. The
-distribution includes the JPEG library proper, plus two application
-programs ("cjpeg" and "djpeg") which use the library to convert JPEG
-files to and from some other popular image formats. There are also
-two stand-alone applications, "rdjpgcom" and "wrjpgcom".
-
-
-THE JPEG LIBRARY
-================
-
-Include files:
-
-jpeglib.h JPEG library's exported data and function declarations.
-jconfig.h Configuration declarations. Note: this file is not present
- in the distribution; it is generated during installation.
-jmorecfg.h Additional configuration declarations; need not be changed
- for a standard installation.
-jerror.h Declares JPEG library's error and trace message codes.
-jinclude.h Central include file used by library's .c files.
-jpegint.h JPEG library's internal data structures.
-jdct.h Private declarations for forward & reverse DCT subsystems.
-jmemsys.h Private declarations for memory management subsystem.
-jversion.h Version information.
-
-Applications using the library should include jpeglib.h (which in turn
-includes jconfig.h and jmorecfg.h). Optionally, jerror.h may be included
-if the application needs to reference individual JPEG error codes. The
-other include files are intended for internal use and would not normally
-be included by an application program. (cjpeg/djpeg do use jinclude.h,
-since its function is to improve portability of the whole IJG distribution.
-Most other applications will directly include the system include files they
-want, and hence won't need jinclude.h.)
-
-
-C source code files:
-
-These files contain most of the functions intended to be called directly by
-an application program:
-
-jcapi.c Application program interface routines for compression.
-jdapi.c Application program interface routines for decompression.
-jcomapi.c Application program interface routines common to compression
- and decompression.
-jcparam.c Compression parameter setting helper routines.
-
-Compression side of the library:
-
-jcmaster.c Master control: determines which other modules to use.
-jcmainct.c Main buffer controller (preprocessor => JPEG compressor).
-jcprepct.c Preprocessor buffer controller.
-jccoefct.c Buffer controller for DCT coefficient buffer.
-jccolor.c Color space conversion.
-jcsample.c Downsampling.
-jcdctmgr.c DCT manager (DCT implementation selection & control).
-jfdctint.c Forward DCT using slow-but-accurate integer method.
-jfdctfst.c Forward DCT using faster, less accurate integer method.
-jfdctflt.c Forward DCT using floating-point arithmetic.
-jchuff.c Huffman entropy coding.
-jcmarker.c JPEG marker writing.
-jdatadst.c Data destination manager for stdio output.
-
-Decompression side of the library:
-
-jdmaster.c Master control: determines which other modules to use.
-jdmainct.c Main buffer controller (JPEG decompressor => postprocessor).
-jdcoefct.c Buffer controller for DCT coefficient buffer.
-jdpostct.c Postprocessor buffer controller.
-jdmarker.c JPEG marker reading.
-jdhuff.c Huffman entropy decoding.
-jddctmgr.c IDCT manager (IDCT implementation selection & control).
-jidctint.c Inverse DCT using slow-but-accurate integer method.
-jidctfst.c Inverse DCT using faster, less accurate integer method.
-jidctflt.c Inverse DCT using floating-point arithmetic.
-jidctred.c Inverse DCTs with reduced-size outputs.
-jdsample.c Upsampling.
-jdcolor.c Color space conversion.
-jdmerge.c Merged upsampling/color conversion (faster, lower quality).
-jquant1.c One-pass color quantization using a fixed-spacing colormap.
-jquant2.c Two-pass color quantization using a custom-generated colormap.
- Also handles one-pass quantization to an externally given map.
-jdatasrc.c Data source manager for stdio input.
-
-Support files for both compression and decompression:
-
-jerror.c Standard error handling routines (application replaceable).
-jmemmgr.c System-independent (more or less) memory management code.
-jutils.c Miscellaneous utility routines.
-
-jmemmgr.c relies on a system-dependent memory management module. The IJG
-distribution includes the following implementations of the system-dependent
-module:
-
-jmemnobs.c "No backing store": assumes adequate virtual memory exists.
-jmemansi.c Makes temporary files with ANSI-standard routine tmpfile().
-jmemname.c Makes temporary files with program-generated file names.
-jmemdos.c Custom implementation for MS-DOS: knows about extended and
- expanded memory as well as temporary files.
-
-Exactly one of the system-dependent modules should be configured into an
-installed JPEG library (see install.doc for hints about which one to use).
-On unusual systems you may find it worthwhile to make a special
-system-dependent memory manager.
-
-
-Non-C source code files:
-
-jmemdosa.asm 80x86 assembly code support for jmemdos.c; used only in
- MS-DOS-specific configurations of the JPEG library.
-
-
-CJPEG/DJPEG
-===========
-
-Include files:
-
-cdjpeg.h Declarations shared by cjpeg/djpeg modules.
-cderror.h Additional error and trace message codes for cjpeg/djpeg.
-
-C source code files:
-
-cjpeg.c Main program for cjpeg.
-djpeg.c Main program for djpeg.
-rdcolmap.c Code to read a colormap file for djpeg's "-map" option.
-
-Image file reader modules for cjpeg:
-
-rdbmp.c BMP file input.
-rdgif.c GIF file input.
-rdppm.c PPM/PGM file input.
-rdrle.c Utah RLE file input.
-rdtarga.c Targa file input.
-
-Image file writer modules for djpeg:
-
-wrbmp.c BMP file output.
-wrgif.c GIF file output.
-wrppm.c PPM/PGM file output.
-wrrle.c Utah RLE file output.
-wrtarga.c Targa file output.
-
-
-RDJPGCOM/WRJPGCOM
-=================
-
-C source code files:
-
-rdjpgcom.c Stand-alone rdjpgcom application.
-wrjpgcom.c Stand-alone wrjpgcom application.
-
-These programs do not depend on the IJG library. They do use
-jconfig.h and jinclude.h, simply to improve portability.
-
-
-ADDITIONAL FILES
-================
-
-Documentation (see README for a guide to the documentation files):
-
-README Master documentation file.
-*.doc Other documentation files.
-*.1 Documentation in Unix man page format.
-change.log Version-to-version change highlights.
-example.c Sample code for calling JPEG library.
-
-Configuration/installation files and programs (see install.doc for more info):
-
-configure Unix shell script to perform automatic configuration.
-ckconfig.c Program to generate jconfig.h on non-Unix systems.
-jconfig.doc Template for making jconfig.h by hand.
-makefile.* Sample makefiles for particular systems.
-jconfig.* Sample jconfig.h for particular systems.
-ansi2knr.c De-ANSIfier for pre-ANSI C compilers (courtesy of
- L. Peter Deutsch and Aladdin Enterprises).
-
-Test files (see install.doc for test procedure):
-
-test*.* Source and comparison files for confidence test.
- These are binary image files, NOT text files.
diff --git a/jpeg/filelist.doc.gz b/jpeg/filelist.doc.gz
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diff --git a/jpeg/install.doc b/jpeg/install.doc
deleted file mode 100644
index 289ce24566..0000000000
--- a/jpeg/install.doc
+++ /dev/null
@@ -1,745 +0,0 @@
-INSTALLATION INSTRUCTIONS for the Independent JPEG Group's JPEG software
-
-Copyright (C) 1991-1994, Thomas G. Lane.
-This file is part of the Independent JPEG Group's software.
-For conditions of distribution and use, see the accompanying README file.
-
-
-This file explains how to configure and install the IJG software. We have
-tried to make this software extremely portable and flexible, so that it can be
-adapted to almost any environment. The downside of this decision is that the
-installation process is complicated. We have provided shortcuts to simplify
-the task on common systems. But in any case, you will need at least a little
-familiarity with C programming and program build procedures for your system.
-
-If you are only using this software as part of a larger program, the larger
-program's installation procedure may take care of configuring the IJG code.
-For example, Ghostscript's installation script will configure the IJG code.
-You don't need to read this file if you just want to compile Ghostscript.
-
-If you are on a Unix machine, you may not need to read this file at all.
-Try doing
- ./configure
- make
- make test
-If that doesn't complain, do
- make install
-(better do "make -n install" first to see if the makefile will put the files
-where you want them). Read further if you run into snags or want to customize
-the code for your system.
-
-
-TABLE OF CONTENTS
------------------
-
-Before you start
-Configuring the software:
- using the automatic "configure" script
- using one of the supplied jconfig and makefile files
- by hand
-Building the software
-Testing the software
-Installing the software
-Optional stuff
-Optimization
-Hints for specific systems
-
-
-BEFORE YOU START
-================
-
-Before installing the software you must unpack the distributed source code.
-Since you are reading this file, you have probably already succeeded in this
-task. However, there is a potential for error if you needed to convert the
-files to the local standard text file format (for example, if you are on
-MS-DOS you may have converted LF end-of-line to CR/LF). You must apply
-such conversion to all the files EXCEPT those whose names begin with "test".
-The test files contain binary data; if you change them in any way then the
-self-test will give bad results.
-
-Please check the last section of this file to see if there are hints for the
-specific machine or compiler you are using.
-
-
-CONFIGURING THE SOFTWARE
-========================
-
-To configure the IJG code for your system, you need to create two files:
- * jconfig.h: contains values for system-dependent #define symbols.
- * Makefile: controls the compilation process.
-(On a non-Unix machine, you may create "project files" or some other
-substitute for a Makefile. jconfig.h is needed in any environment.)
-
-We provide three different ways to generate these files:
- * On a Unix system, you can just run the "configure" script.
- * We provide sample jconfig files and makefiles for popular machines;
- if your machine matches one of the samples, just copy the right sample
- files to jconfig.h and Makefile.
- * If all else fails, read the instructions below and make your own files.
-
-
-Configuring the software using the automatic "configure" script
----------------------------------------------------------------
-
-If you are on a Unix machine, you can just type
- ./configure
-and let the configure script construct appropriate configuration files.
-If you're using "csh" on an old version of System V, you might need to type
- sh configure
-instead to prevent csh from trying to execute configure itself.
-Expect configure to run for a few minutes, particularly on slower machines;
-it works by compiling a series of test programs.
-
-Configure was created with GNU Autoconf and it follows the usual conventions
-for GNU configure scripts. It makes a few assumptions that you may want to
-override. You can do this by providing optional switches to configure:
-
-* Configure will use gcc (GNU C compiler) if it's available, otherwise cc.
-To force a particular compiler to be selected, use the CC option, for example
- ./configure CC='cc'
-The same method can be used to include any unusual compiler switches.
-For example, on HP-UX you probably want to say
- ./configure CC='cc -Aa'
-to get HP's compiler to run in ANSI mode.
-
-* Configure will set up the makefile so that "make install" will install files
-into /usr/local/bin, /usr/local/man, etc. You can specify an installation
-prefix other than "/usr/local" by giving configure the option "--prefix=PATH".
-
-* If you don't have a lot of swap space, you may need to enable the IJG
-software's internal virtual memory mechanism. To do this, give the option
-"--with-maxmem=N" where N is the default maxmemory limit in megabytes.
-This is discussed in more detail under "Selecting a memory manager", below.
-You probably don't need to worry about this on reasonably-sized Unix machines,
-unless you plan to process very large images.
-
-Configure has some other features that are useful if you are cross-compiling
-or working in a network of multiple machine types; but if you need those
-features, you probably already know how to use them.
-
-
-Configuring the software using one of the supplied jconfig and makefile files
------------------------------------------------------------------------------
-
-If you have one of these systems, you can just use the provided configuration
-files:
-
-Makefile jconfig file System and/or compiler
-
-makefile.manx jconfig.manx Amiga, Manx Aztec C
-makefile.sas jconfig.sas Amiga, SAS C
-mak*jpeg.st jconfig.st Atari ST/STE/TT, Pure C or Turbo C
-makefile.bcc jconfig.bcc MS-DOS, Borland C (Turbo C)
-makefile.dj jconfig.dj MS-DOS, DJGPP (Delorie's port of GNU C)
-makefile.mc6 jconfig.mc6 MS-DOS, Microsoft C version 6.x and up
-makefile.mms jconfig.vms Digital VMS, with MMS software
-makefile.vms jconfig.vms Digital VMS, without MMS software
-
-Copy the proper jconfig file to jconfig.h and the makefile to Makefile
-(or whatever your system uses as the standard makefile name). For the
-Atari, we provide three project files; see the Atari hints below.
-
-
-Configuring the software by hand
---------------------------------
-
-First, generate a jconfig.h file. If you are moderately familiar with C,
-the comments in jconfig.doc should be enough information to do this; just
-copy jconfig.doc to jconfig.h and edit it appropriately. Otherwise, you may
-prefer to use the ckconfig.c program. You will need to compile and execute
-ckconfig.c by hand --- we hope you know at least enough to do that.
-ckconfig.c may not compile the first try (in fact, the whole idea is for it
-to fail if anything is going to). If you get compile errors, fix them by
-editing ckconfig.c according to the directions given in ckconfig.c. Once
-you get it to run, it will write a suitable jconfig.h file, and will also
-print out some advice about which makefile to use.
-
-You may also want to look at the canned jconfig files, if there is one for a
-system similar to yours.
-
-Second, select a makefile and copy it to Makefile (or whatever your system
-uses as the standard makefile name). The most generic makefiles we provide
-are
- makefile.ansi: if your C compiler supports function prototypes
- makefile.unix: if not.
-(You have function prototypes if ckconfig.c put "#define HAVE_PROTOTYPES"
-in jconfig.h.) You may want to start from one of the other makefiles if
-there is one for a system similar to yours.
-
-Look over the selected Makefile and adjust options as needed. In particular
-you may want to change the CC and CFLAGS definitions. For instance, if you
-are using GCC, set CC=gcc. If you had to use any compiler switches to get
-ckconfig.c to work, make sure the same switches are in CFLAGS.
-
-If you are on a system that doesn't use makefiles, you'll need to set up
-project files (or whatever you do use) to compile all the source files and
-link them into executable files cjpeg, djpeg, rdjpgcom, and wrjpgcom. See
-the file lists in any of the makefiles to find out which files go into each
-program. Note that the provided makefiles all make a "library" file libjpeg
-first, but you don't have to do that if you don't want to; the file lists
-identify which source files are actually needed for compression,
-decompression, or both. As a last resort, you can make a batch script that
-just compiles everything and links it all together; makefile.vms is an
-example of this (it's for VMS systems that have no make-like utility).
-
-Here are comments about some specific configuration decisions you'll
-need to make:
-
-Command line style
-------------------
-
-cjpeg and djpeg can use a Unix-like command line style which supports
-redirection and piping, like this:
- cjpeg inputfile >outputfile
- cjpeg <inputfile >outputfile
- source program | cjpeg >outputfile
-The simpler "two file" command line style is just
- cjpeg inputfile outputfile
-You may prefer the two-file style, particularly if you don't have pipes.
-
-You MUST use two-file style on any system that doesn't cope well with binary
-data fed through stdin/stdout; this is true for some MS-DOS compilers, for
-example. If you're not on a Unix system, it's safest to assume you need
-two-file style. (But if your compiler provides either the Posix-standard
-fdopen() library routine or a Microsoft-compatible setmode() routine, you
-can safely use the Unix command line style, by defining USE_FDOPEN or
-USE_SETMODE respectively.)
-
-To use the two-file style, make jconfig.h say "#define TWO_FILE_COMMANDLINE".
-
-Selecting a memory manager
---------------------------
-
-The IJG code is capable of working on images that are too big to fit in main
-memory; data is swapped out to temporary files as necessary. However, the
-code to do this is rather system-dependent. We provide four different
-memory managers:
-
-* jmemansi.c This version uses the ANSI-standard library routine tmpfile(),
- which not all non-ANSI systems have. On some systems
- tmpfile() may put the temporary file in a non-optimal
- location; if you don't like what it does, use jmemname.c.
-
-* jmemname.c This version creates named temporary files. For anything
- except a Unix machine, you'll need to configure the
- select_file_name() routine appropriately; see the comments
- near the head of jmemname.c. If you use this version, define
- NEED_SIGNAL_CATCHER in jconfig.h to make sure the temp files
- are removed if the program is aborted.
-
-* jmemnobs.c (That stands for No Backing Store :-).) This will compile on
- almost any system, but it assumes you have enough main memory
- or virtual memory to hold the biggest images you work with.
-
-* jmemdos.c This should be used with most 16-bit MS-DOS compilers.
- See the system-specific notes about MS-DOS for more info.
- IMPORTANT: if you use this, define USE_MSDOS_MEMMGR in
- jconfig.h, and include the assembly file jmemdosa.asm in the
- programs. The supplied makefiles and jconfig files for
- MS-DOS compilers already do both.
-
-To use a particular memory manager, change the SYSDEPMEM variable in your
-makefile to equal the corresponding object file name (for example, jmemansi.o
-or jmemansi.obj for jmemansi.c).
-
-If you have plenty of (real or virtual) main memory, just use jmemnobs.c.
-"Plenty" means about ten bytes for every pixel in the largest images
-you plan to process, so a lot of systems don't meet this criterion.
-If yours doesn't, try jmemansi.c first. If that doesn't compile, you'll have
-to use jmemname.c; be sure to adjust select_file_name() for local conditions.
-You may also need to change unlink() to remove() in close_backing_store().
-
-Except with jmemnobs.c, you need to adjust the DEFAULT_MAX_MEM setting to a
-reasonable value for your system (either by adding a #define for
-DEFAULT_MAX_MEM to jconfig.h, or by adding a -D switch to the Makefile).
-This value limits the amount of data space the program will attempt to
-allocate. Code and static data space isn't counted, so the actual memory
-needs for cjpeg or djpeg are typically 100 to 150Kb more than the max-memory
-setting. Larger max-memory settings reduce the amount of I/O needed to
-process a large image, but too large a value can result in "insufficient
-memory" failures. On most Unix machines (and other systems with virtual
-memory), just set DEFAULT_MAX_MEM to several million and forget it. At the
-other end of the spectrum, for MS-DOS machines you probably can't go much
-above 300K to 400K. (On MS-DOS the value refers to conventional memory only.
-Extended/expanded memory is handled separately by jmemdos.c.)
-
-
-BUILDING THE SOFTWARE
-=====================
-
-Now you should be able to compile the software. Just say "make" (or
-whatever's necessary to start the compilation). Have a cup of coffee.
-
-Here are some things that could go wrong:
-
-If your compiler complains about undefined structures, you should be able to
-shut it up by putting "#define INCOMPLETE_TYPES_BROKEN" in jconfig.h.
-
-If you have trouble with missing system include files or inclusion of the
-wrong ones, read jinclude.h. This shouldn't happen if you used configure
-or ckconfig.c to set up jconfig.h.
-
-There are a fair number of routines that do not use all of their parameters;
-some compilers will issue warnings about this, which you can ignore. There
-are also a few configuration checks that may give "unreachable code" warnings.
-Any other warning deserves investigation.
-
-If you don't have a getenv() library routine, define NO_GETENV.
-
-Also see the system-specific hints, below.
-
-
-TESTING THE SOFTWARE
-====================
-
-As a quick test of functionality we've included a small sample image in
-several forms:
- testorig.jpg Starting point for the djpeg tests.
- testimg.ppm The output of djpeg testorig.jpg
- testimg.gif The output of djpeg -gif testorig.jpg
- testimg.jpg The output of cjpeg testimg.ppm
-(The two .jpg files aren't identical since JPEG is lossy.) If you can
-generate duplicates of the testimg.* files then you probably have working
-programs.
-
-With most of the makefiles, "make test" will perform the necessary
-comparisons.
-
-If you're using a makefile that doesn't provide the test option, run djpeg
-and cjpeg by hand to generate testout.ppm, testout.gif, and testout.jpg,
-then compare these to testimg.* with whatever binary file comparison tool
-you have. The files should be bit-for-bit identical.
-
-If the programs complain "MAX_ALLOC_CHUNK is wrong, please fix", then you
-need to reduce MAX_ALLOC_CHUNK to a value that fits in type size_t.
-Try adding "#define MAX_ALLOC_CHUNK 65520L" to jconfig.h. A less likely
-configuration error is "ALIGN_TYPE is wrong, please fix": defining ALIGN_TYPE
-as long should take care of that one.
-
-If the cjpeg test run fails with "Missing Huffman code table entry", it's a
-good bet that you needed to define RIGHT_SHIFT_IS_UNSIGNED. Go back to the
-configuration step and run ckconfig.c. (This is a good plan for any other
-test failure, too.)
-
-If you are using Unix (one-file) command line style on a non-Unix system,
-it's a good idea to check that binary I/O through stdin/stdout actually
-works. You should get the same results from "djpeg <testorig.jpg >out.ppm"
-as from "djpeg -outfile out.ppm testorig.jpg". Note that the makefiles all
-use the latter style and therefore do not exercise stdin/stdout! If this
-check fails, try recompiling cjpeg.c and djpeg.c with USE_SETMODE or
-USE_FDOPEN. If it still doesn't work, better use two-file style.
-(rdjpgcom.c and wrjpgcom.c will also need to be recompiled.)
-
-If you chose a memory manager other than jmemnobs.c, you should test that
-temporary-file usage works. Try "djpeg -gif -max 0 testorig.jpg" and make
-sure its output matches testimg.gif. If you have any really large images
-handy, try compressing them with -optimize and/or decompressing with -gif to
-make sure your DEFAULT_MAX_MEM setting is not too large.
-
-NOTE: this is far from an exhaustive test of the JPEG software; some modules,
-such as 1-pass color quantization, are not exercised at all. It's just a
-quick test to give you some confidence that you haven't missed something
-major.
-
-
-INSTALLING THE SOFTWARE
-=======================
-
-Once you're done with the above steps, you can install the software by
-copying the executable files (cjpeg, djpeg, rdjpgcom, and wrjpgcom) to
-wherever you normally install programs. On Unix systems, you'll also want
-to put the man pages (cjpeg.1, djpeg.1, rdjpgcom.1, wrjpgcom.1) in the
-man-page directory. The canned makefiles don't support this step since
-there's such a wide variety of installation procedures on different systems.
-
-If you generated a Makefile with the "configure" script, you can just say
- make install
-to install the programs and their man pages into the standard places.
-(You'll probably need to be root to do this.) We recommend first saying
- make -n install
-to see where configure thought the files should go. You may need to edit
-the Makefile, particularly if your system's conventions for man page
-filenames don't match what configure expects.
-
-If you want to install the library file libjpeg.a and the include files j*.h
-(for use in compiling other programs besides cjpeg/djpeg), then say
- make install-lib
-
-
-OPTIONAL STUFF
-==============
-
-Progress monitor:
-
-If you like, you can #define PROGRESS_REPORT (in jconfig.h) to enable display
-of percent-done progress reports. The routines provided in cjpeg.c/djpeg.c
-merely print percentages to stderr, but you can customize them to do
-something fancier.
-
-Utah RLE file format support:
-
-We distribute the software with support for RLE image files (Utah Raster
-Toolkit format) disabled, because the RLE support won't compile without the
-Utah library. If you have URT version 3.1 or later, you can enable RLE
-support as follows:
- 1. #define RLE_SUPPORTED in jconfig.h.
- 2. Add a -I option to CFLAGS in the Makefile for the directory
- containing the URT .h files (typically the "include"
- subdirectory of the URT distribution).
- 3. Add -L... -lrle to LDLIBS in the Makefile, where ... specifies
- the directory containing the URT "librle.a" file (typically the
- "lib" subdirectory of the URT distribution).
-
-Removing code:
-
-If you need to make a smaller version of the JPEG software, some optional
-functions can be removed at compile time. See the xxx_SUPPORTED #defines in
-jconfig.h and jmorecfg.h. If at all possible, we recommend that you leave in
-decoder support for all valid JPEG files, to ensure that you can read anyone's
-output. Taking out support for image file formats that you don't use is the
-most painless way to make the programs smaller. Another possibility is to
-remove some of the DCT methods: in particular, the "IFAST" method may not be
-enough faster than the others to be worth keeping on your machine. (If you
-do remove ISLOW or IFAST, be sure to redefine JDCT_DEFAULT or JDCT_FASTEST
-to a supported method, by adding a #define in jconfig.h.)
-
-
-OPTIMIZATION
-============
-
-Unless you own a Cray, you'll probably be interested in making the JPEG
-software go as fast as possible. This section covers some machine-dependent
-optimizations you may want to try. We suggest that before trying any of
-this, you first get the basic installation to pass the self-test step.
-Repeat the self-test after any optimization to make sure that you haven't
-broken anything.
-
-The integer DCT routines perform a lot of multiplications. These
-multiplications must yield 32-bit results, but none of their input values
-are more than 16 bits wide. On many machines, notably the 680x0 and 80x86
-CPUs, a 16x16=>32 bit multiply instruction is faster than a full 32x32=>32
-bit multiply. Unfortunately there is no portable way to specify such a
-multiplication in C, but some compilers can generate one when you use the
-right combination of casts. See the MULTIPLYxxx macro definitions in
-jdct.h. If your compiler makes "int" be 32 bits and "short" be 16 bits,
-defining SHORTxSHORT_32 is fairly likely to work. When experimenting with
-alternate definitions, be sure to test not only whether the code still works
-(use the self-test), but also whether it is actually faster --- on some
-compilers, alternate definitions may compute the right answer, yet be slower
-than the default. Timing cjpeg on a large PPM input file is the best way to
-check this, as the DCT will be the largest fraction of the runtime in that
-mode. (Note: some of the distributed compiler-specific jconfig files
-already contain #define switches to select appropriate MULTIPLYxxx
-definitions.)
-
-If your machine has sufficiently fast floating point hardware, you may find
-that the float DCT method is faster than the integer DCT methods, even
-after tweaking the integer multiply macros. In that case you may want to
-make the float DCT be the default method. (The only objection to this is
-that float DCT results may vary slightly across machines.) To do that, add
-"#define JDCT_DEFAULT JDCT_FLOAT" to jconfig.h. Even if you don't change
-the default, you should redefine JDCT_FASTEST, which is the method selected
-by djpeg's -fast switch. Don't forget to update the documentation files
-(usage.doc and/or cjpeg.1, djpeg.1) to agree with what you've done.
-
-If access to "short" arrays is slow on your machine, it may be a win to
-define type JCOEF as int rather than short. This will cost a good deal of
-memory though, particularly in some multi-pass modes, so don't do it unless
-you have memory to burn and short is REALLY slow.
-
-If your compiler can compile function calls in-line, make sure the INLINE
-macro in jmorecfg.h is defined as the keyword that marks a function
-inline-able. Some compilers have a switch that tells the compiler to inline
-any function it thinks is profitable (e.g., -finline-functions for gcc).
-Enabling such a switch is likely to make the compiled code bigger but faster.
-
-In general, it's worth trying the maximum optimization level of your compiler,
-and experimenting with any optional optimizations such as loop unrolling.
-(Unfortunately, far too many compilers have optimizer bugs ... be prepared to
-back off if the code fails self-test.) If you do any experimentation along
-these lines, please report the optimal settings to jpeg-info@uunet.uu.net so
-we can mention them in future releases. Be sure to specify your machine and
-compiler version.
-
-
-HINTS FOR SPECIFIC SYSTEMS
-==========================
-
-We welcome reports on changes needed for systems not mentioned here. Submit
-'em to jpeg-info@uunet.uu.net. Also, if configure or ckconfig.c is wrong
-about how to configure the JPEG software for your system, please let us know.
-
-
-Acorn RISC OS:
-
-(Thanks to Simon Middleton for these hints on compiling with Desktop C.)
-After renaming the files according to Acorn conventions, take a copy of
-makefile.ansi, change all occurrences of 'libjpeg.a' to 'libjpeg.o' and
-change these definitions as indicated:
-
-CFLAGS= -throwback -IC: -Wn
-LDLIBS=C:o.Stubs
-SYSDEPMEM=jmemansi.o
-LN=Link
-AR=LibFile -c -o
-
-Also add a new line '.c.o:; $(cc) $< $(cflags) -c -o $@'. Remove the
-lines '$(RM) libjpeg.o' and '$(AR2) libjpeg.o' and the 'jconfig.h'
-dependency section.
-
-Copy jconfig.doc to jconfig.h. Edit jconfig.h to define TWO_FILE_COMMANDLINE
-and CHAR_IS_UNSIGNED.
-
-Run the makefile using !AMU not !Make. If you want to use the 'clean' and
-'test' makefile entries then you will have to fiddle with the syntax a bit
-and rename the test files.
-
-
-Amiga:
-
-SAS C 6.50 reportedly is too buggy to compile the IJG code properly.
-A patch to update to 6.51 is available from SAS or AmiNet FTP sites.
-
-
-Atari ST/STE/TT:
-
-Copy the project files makcjpeg.st, makdjpeg.st, and makljpeg.st to cjpeg.prj,
-djpeg.prj, and libjpeg.prj respectively. The project files should work as-is
-with Pure C. For Turbo C, change library filenames "PC..." to "TC..." in
-cjpeg.prj and djpeg.prj. Note that libjpeg.prj selects jmemansi.c as the
-recommended memory manager. You'll probably want to adjust the
-DEFAULT_MAX_MEM setting --- you want it to be a couple hundred K less than
-your normal free memory. Put "#define DEFAULT_MAX_MEM nnnn" into jconfig.h
-to do this.
-
-To use the 68881/68882 coprocessor for the floating point DCT, add the
-compiler option "-8" to the project files and replace PCFLTLIB.LIB with
-PC881LIB.LIB in cjpeg.prj and djpeg.prj. Or if you don't have a
-coprocessor, you may prefer to remove the float DCT code by undefining
-DCT_FLOAT_SUPPORTED in jmorecfg.h (since without a coprocessor, the float
-code will be too slow to be useful). In that case, you can delete
-PCFLTLIB.LIB from the project files.
-
-Note that you must make libjpeg.lib before making cjpeg.ttp or djpeg.ttp.
-You'll have to perform the self-test by hand.
-
-We haven't bothered to include project files for rdjpgcom and wrjpgcom.
-Those source files should just be compiled by themselves; they don't
-depend on the JPEG library.
-
-There is a bug in some older versions of the Turbo C library which causes the
-space used by temporary files created with "tmpfile()" not to be freed after
-an abnormal program exit. If you check your disk afterwards, you will find
-cluster chains that are allocated but not used by a file. This should not
-happen in cjpeg or djpeg, since we enable a signal catcher to explicitly close
-temp files before exiting. But if you use the JPEG library with your own
-code, be sure to supply a signal catcher, or else use a different
-system-dependent memory manager.
-
-
-Cray:
-
-Should you be so fortunate as to be running JPEG on a Cray YMP, there is a
-compiler bug in old versions of Cray's Standard C (prior to 3.1). If you
-still have an old compiler, you'll need to insert a line reading
-"#pragma novector" just before the loop
- for (i = 1; i <= (int) htbl->bits[l]; i++)
- huffsize[p++] = (char) l;
-in fix_huff_tbl (in V5beta1, line 204 of jchuff.c and line 176 of jdhuff.c).
-[This bug may or may not still occur with the current IJG code, but it's
-probably a dead issue anyway...]
-
-
-HP-UX:
-
-If you have HP-UX 7.05 or later with the "software development" C compiler,
-you should run the compiler in ANSI mode. If using the configure script,
-say
- ./configure CC='cc -Aa'
-(or -Ae if you prefer). If configuring by hand, use makefile.ansi and add
-"-Aa" to the CFLAGS line in the makefile.
-
-If you have a pre-7.05 system, or if you are using the non-ANSI C compiler
-delivered with a minimum HP-UX system, then you must use makefile.unix
-(and do NOT add -Aa); or just run configure without the CC option.
-
-On HP 9000 series 800 machines, the HP C compiler is buggy in revisions prior
-to A.08.07. If you get complaints about "not a typedef name", you'll have to
-use makefile.unix, or run configure without the CC option.
-
-
-Macintosh, MPW:
-
-We don't directly support MPW in the current release, but Larry Rosenstein
-ported an earlier version of the IJG code without very much trouble. There's
-useful notes and conversion scripts in his kit for porting PBMPLUS to MPW.
-You can obtain the kit by FTP to ftp.apple.com, files /pub/lsr/pbmplus-port*.
-
-
-Macintosh, Metrowerks CodeWarrior:
-
-Metrowerks release DR2 has problems with the IJG code; don't use it. Release
-DR3.5 or later should be OK.
-
-The command-line-style interface can be used by defining USE_CCOMMAND and
-TWO_FILE_COMMANDLINE (see next entry for more details).
-
-On 680x0 Macs, Metrowerks defines type "double" as a 10-byte IEEE extended
-float. jmemmgr.c won't like this: it wants sizeof(ALIGN_TYPE) to be a power
-of 2. Add "#define ALIGN_TYPE long" to jconfig.h to eliminate the complaint.
-
-
-Macintosh, Think C:
-
-The supplied user-interface files (cjpeg.c and djpeg.c) are set up to provide
-a Unix-style command line interface. You can use this interface on the Mac
-by means of Think's ccommand() library routine. However, a much better
-Mac-style user interface has been prepared by Jim Brunner. You can obtain
-the additional source code needed for that user interface by FTP to
-sumex-aim.stanford.edu, file /info-mac/dev/src/jpeg-convert-c.hqx. Jim's
-documentation also includes more detailed build instructions for Think C.
-(Jim is working on updating this code to work with v5 of the IJG library,
-but it wasn't ready as of v5 release time. Should be out before too long.)
-
-If you want to build the minimal command line version, proceed as follows.
-You'll have to prepare project files for the programs; we don't include any
-in the distribution since they are not text files. Use the file lists in
-any of the supplied makefiles as a guide. Also add the ANSI and Unix C
-libraries in a separate segment. You may need to divide the JPEG files into
-more than one segment; we recommend dividing compression and decompression
-modules. Define USE_CCOMMAND in jconfig.h so that the ccommand() routine is
-called. You must also define TWO_FILE_COMMANDLINE because stdin/stdout
-don't handle binary data correctly.
-
-On 680x0 Macs, Think C defines type "double" as a 12-byte IEEE extended float.
-jmemmgr.c won't like this: it wants sizeof(ALIGN_TYPE) to be a power of 2.
-Add "#define ALIGN_TYPE long" to jconfig.h to eliminate the complaint.
-
-
-MIPS R3000:
-
-MIPS's cc version 1.31 has a rather nasty optimization bug. Don't use -O
-if you have that compiler version. (Use "cc -V" to check the version.)
-Note that the R3000 chip is found in workstations from DEC and others.
-
-
-MS-DOS, generic comments for 16-bit compilers:
-
-The IJG code is designed to be compiled in 80x86 "small" or "medium" memory
-models (i.e., data pointers are 16 bits unless explicitly declared "far";
-code pointers can be either size). You may be able to use small model to
-compile cjpeg or djpeg by itself, but you will probably have to use medium
-model for any larger application. This won't make much difference in
-performance. You *will* take a noticeable performance hit if you use a
-large-data memory model, and you should avoid "huge" model if at all
-possible. Be sure that NEED_FAR_POINTERS is defined in jconfig.h if you use
-a small-data memory model; be sure it is NOT defined if you use a large-data
-model. (The supplied makefiles and jconfig files for Borland and Microsoft C
-compile in medium model and define NEED_FAR_POINTERS.)
-
-The DOS-specific memory manager, jmemdos.c, should be used if possible.
-It needs some assembly-code routines which are in jmemdosa.asm; make sure
-your makefile assembles that file and includes it in the library. If you
-don't have a suitable assembler, you can get pre-assembled object files for
-jmemdosa by FTP from ftp.uu.net: graphics/jpeg/jdosaobj.zip.
-
-When using jmemdos.c, jconfig.h must define USE_MSDOS_MEMMGR and must set
-MAX_ALLOC_CHUNK to less than 64K (65520L is a typical value). If your
-C library's far-heap malloc() can't allocate blocks that large, reduce
-MAX_ALLOC_CHUNK to whatever it can handle.
-
-If you can't use jmemdos.c for some reason --- for example, because you
-don't have an assembler to assemble jmemdosa.asm --- you'll have to fall
-back to jmemansi.c or jmemname.c. You'll probably still need to set
-MAX_ALLOC_CHUNK in jconfig.h, because most DOS C libraries won't malloc()
-more than 64K at a time. IMPORTANT: if you use jmemansi.c or jmemname.c,
-you will have to compile in a large-data memory model in order to get the
-right stdio library. Too bad.
-
-wrjpgcom needs to be compiled in large model, because it malloc()s a 64KB
-work area to hold the comment text. If your C library's malloc can't
-handle that, reduce MAX_COM_LENGTH as necessary in wrjpgcom.c.
-
-Most MS-DOS compilers treat stdin/stdout as text files, so you must use
-two-file command line style. But if your compiler has either fdopen() or
-setmode(), you can use one-file style if you like. To do this, define
-USE_SETMODE or USE_FDOPEN so that stdin/stdout will be set to binary mode.
-(USE_SETMODE seems to work with more DOS compilers than USE_FDOPEN.) You
-should test that I/O through stdin/stdout produces the same results as I/O
-to explicitly named files... the "make test" procedures in the supplied
-makefiles do NOT use stdin/stdout.
-
-
-MS-DOS, generic comments for 32-bit compilers:
-
-None of the above comments about memory models apply if you are using a
-32-bit flat-memory-space environment, such as DJGPP or Watcom C. (And you
-should use one if you have it, as performance will be much better than
-8086-compatible code!) For flat-memory-space compilers, do NOT define
-NEED_FAR_POINTERS, and do NOT use jmemdos.c. Use jmemnobs.c if the
-environment supplies adequate virtual memory, otherwise use jmemansi.c or
-jmemname.c.
-
-You'll still need to be careful about binary I/O through stdin/stdout.
-See the last paragraph of the previous section.
-
-
-MS-DOS, Borland C:
-
-If you want one-file command line style, just undefine TWO_FILE_COMMANDLINE.
-jconfig.bcc includes #define USE_SETMODE. (fdopen does not work correctly.)
-
-Be sure to convert all the source files to DOS text format (CR/LF newlines).
-Although Borland C will often work OK with unmodified Unix (LF newlines)
-source files, sometimes it will give bogus compile errors.
-"Illegal character '#'" is the most common such error.
-
-
-MS-DOS, DJGPP:
-
-Use a recent version of DJGPP (1.11 or better). If you prefer two-file
-command line style, change the supplied jconfig.dj to define
-TWO_FILE_COMMANDLINE. makefile.dj is set up to generate only COFF files
-(cjpeg, djpeg, etc) when you say make. After testing, say "make exe" to
-make executables with stub.exe, or "make standalone" if you want executables
-that include go32. You will probably need to tweak the makefile's pointer to
-go32.exe to do "make standalone".
-
-
-MS-DOS, Microsoft C:
-
-If you want one-file command line style, just undefine TWO_FILE_COMMANDLINE.
-jconfig.mc6 includes #define USE_SETMODE. (fdopen does not work correctly.)
-
-Old versions of MS C fail with an "out of macro expansion space" error
-because they can't cope with the macro TRACEMS8 (defined in jerror.h).
-If this happens to you, the easiest solution is to change TRACEMS8 to
-expand to nothing. You'll lose the ability to dump out JPEG coefficient
-tables with djpeg -debug -debug, but at least you can compile.
-
-Original MS C 6.0 is very buggy; it compiles incorrect code unless you turn
-off optimization entirely (remove -O from CFLAGS). 6.00A is better, but it
-still generates bad code if you enable loop optimizations (-Ol or -Ox).
-
-MS C 8.0 reportedly fails to compile jquant1.c if optimization is turned off
-(yes, off).
-
-
-SGI:
-
-Set "AR2= ar -ts" rather than "AR2= ranlib" in the Makefile. If you are
-using configure, you should say
- ./configure RANLIB='ar -ts'
-
-
-VMS:
-
-On an Alpha/VMS system with MMS, be sure to use the "/Marco=Alpha=1"
-qualifier with MMS when building the JPEG package.
-
-VAX/VMS v5.5-1 may have problems with the test step of the build procedure
-reporting differences when it compares the original and test GIF and JPG
-images. If the error points to the last block of the files, it is most
-likely bogus and may be safely ignored. It seems to be because the files
-are Stream_LF and Backup/Compare has difficulty with the (presumably) null
-padded files. This problem was not observed on VAX/VMS v6.1 or AXP/VMS v6.1.
diff --git a/jpeg/install.doc.gz b/jpeg/install.doc.gz
deleted file mode 100644
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diff --git a/jpeg/jconfig.auto b/jpeg/jconfig.auto
deleted file mode 100644
index eb565eac20..0000000000
--- a/jpeg/jconfig.auto
+++ /dev/null
@@ -1,44 +0,0 @@
-/* jconfig.auto --- source file edited by configure script */
-/* see jconfig.doc for explanations */
-
-#undef HAVE_PROTOTYPES
-#undef HAVE_UNSIGNED_CHAR
-#undef HAVE_UNSIGNED_SHORT
-#undef void
-#undef const
-#undef CHAR_IS_UNSIGNED
-#undef HAVE_STDDEF_H
-#undef HAVE_STDLIB_H
-#undef NEED_BSD_STRINGS
-#undef NEED_SYS_TYPES_H
-#undef NEED_FAR_POINTERS
-#undef NEED_SHORT_EXTERNAL_NAMES
-/* Define this if you get warnings about undefined structures. */
-#undef INCOMPLETE_TYPES_BROKEN
-
-#ifdef JPEG_INTERNALS
-
-#undef RIGHT_SHIFT_IS_UNSIGNED
-#undef INLINE
-/* These are for configuring the JPEG memory manager. */
-#undef DEFAULT_MAX_MEM
-#undef NO_MKTEMP
-
-#endif /* JPEG_INTERNALS */
-
-#ifdef JPEG_CJPEG_DJPEG
-
-#define BMP_SUPPORTED /* BMP image file format */
-#define GIF_SUPPORTED /* GIF image file format */
-#define PPM_SUPPORTED /* PBMPLUS PPM/PGM image file format */
-#undef RLE_SUPPORTED /* Utah RLE image file format */
-#define TARGA_SUPPORTED /* Targa image file format */
-
-#undef TWO_FILE_COMMANDLINE
-#undef NEED_SIGNAL_CATCHER
-#undef DONT_USE_B_MODE
-
-/* Define this if you want percent-done progress reports from cjpeg/djpeg. */
-#undef PROGRESS_REPORT
-
-#endif /* JPEG_CJPEG_DJPEG */
diff --git a/jpeg/jconfig.bcc b/jpeg/jconfig.bcc
deleted file mode 100644
index 3271ee6b3a..0000000000
--- a/jpeg/jconfig.bcc
+++ /dev/null
@@ -1,44 +0,0 @@
-/* jconfig.bcc --- jconfig.h for Borland C (Turbo C) on MS-DOS. */
-/* see jconfig.doc for explanations */
-
-#define HAVE_PROTOTYPES
-#define HAVE_UNSIGNED_CHAR
-#define HAVE_UNSIGNED_SHORT
-/* #define void char */
-/* #define const */
-#undef CHAR_IS_UNSIGNED
-#define HAVE_STDDEF_H
-#define HAVE_STDLIB_H
-#undef NEED_BSD_STRINGS
-#undef NEED_SYS_TYPES_H
-#define NEED_FAR_POINTERS /* for small or medium memory model */
-#undef NEED_SHORT_EXTERNAL_NAMES
-#define INCOMPLETE_TYPES_BROKEN /* suppress undefined-structure warnings */
-
-#ifdef JPEG_INTERNALS
-
-#undef RIGHT_SHIFT_IS_UNSIGNED
-
-#define USE_MSDOS_MEMMGR /* Define this if you use jmemdos.c */
-
-#define MAX_ALLOC_CHUNK 65520L /* Maximum request to malloc() */
-
-#define USE_FMEM /* Borland has _fmemcpy() and _fmemset() */
-
-#endif /* JPEG_INTERNALS */
-
-#ifdef JPEG_CJPEG_DJPEG
-
-#define BMP_SUPPORTED /* BMP image file format */
-#define GIF_SUPPORTED /* GIF image file format */
-#define PPM_SUPPORTED /* PBMPLUS PPM/PGM image file format */
-#undef RLE_SUPPORTED /* Utah RLE image file format */
-#define TARGA_SUPPORTED /* Targa image file format */
-
-#define TWO_FILE_COMMANDLINE
-#define USE_SETMODE /* Borland has setmode() */
-#define NEED_SIGNAL_CATCHER /* Define this if you use jmemdos.c */
-#undef DONT_USE_B_MODE
-#undef PROGRESS_REPORT /* optional */
-
-#endif /* JPEG_CJPEG_DJPEG */
diff --git a/jpeg/jconfig.dj b/jpeg/jconfig.dj
deleted file mode 100644
index f759a9dbd6..0000000000
--- a/jpeg/jconfig.dj
+++ /dev/null
@@ -1,38 +0,0 @@
-/* jconfig.dj --- jconfig.h for DJGPP (Delorie's GNU C port) on MS-DOS. */
-/* see jconfig.doc for explanations */
-
-#define HAVE_PROTOTYPES
-#define HAVE_UNSIGNED_CHAR
-#define HAVE_UNSIGNED_SHORT
-/* #define void char */
-/* #define const */
-#undef CHAR_IS_UNSIGNED
-#define HAVE_STDDEF_H
-#define HAVE_STDLIB_H
-#undef NEED_BSD_STRINGS
-#undef NEED_SYS_TYPES_H
-#undef NEED_FAR_POINTERS /* DJGPP uses flat 32-bit addressing */
-#undef NEED_SHORT_EXTERNAL_NAMES
-#undef INCOMPLETE_TYPES_BROKEN
-
-#ifdef JPEG_INTERNALS
-
-#undef RIGHT_SHIFT_IS_UNSIGNED
-
-#endif /* JPEG_INTERNALS */
-
-#ifdef JPEG_CJPEG_DJPEG
-
-#define BMP_SUPPORTED /* BMP image file format */
-#define GIF_SUPPORTED /* GIF image file format */
-#define PPM_SUPPORTED /* PBMPLUS PPM/PGM image file format */
-#undef RLE_SUPPORTED /* Utah RLE image file format */
-#define TARGA_SUPPORTED /* Targa image file format */
-
-#undef TWO_FILE_COMMANDLINE /* optional */
-#define USE_SETMODE /* Needed to make one-file style work in DJGPP */
-#undef NEED_SIGNAL_CATCHER /* Define this if you use jmemname.c */
-#undef DONT_USE_B_MODE
-#undef PROGRESS_REPORT /* optional */
-
-#endif /* JPEG_CJPEG_DJPEG */
diff --git a/jpeg/jconfig.doc b/jpeg/jconfig.doc
deleted file mode 100644
index c18d1c064b..0000000000
--- a/jpeg/jconfig.doc
+++ /dev/null
@@ -1,155 +0,0 @@
-/*
- * jconfig.doc
- *
- * Copyright (C) 1991-1994, Thomas G. Lane.
- * This file is part of the Independent JPEG Group's software.
- * For conditions of distribution and use, see the accompanying README file.
- *
- * This file documents the configuration options that are required to
- * customize the JPEG software for a particular system.
- *
- * The actual configuration options for a particular installation are stored
- * in jconfig.h. On many machines, jconfig.h can be generated automatically
- * or copied from one of the "canned" jconfig files that we supply. But if
- * you need to generate a jconfig.h file by hand, this file tells you how.
- *
- * DO NOT EDIT THIS FILE --- IT WON'T ACCOMPLISH ANYTHING.
- * EDIT A COPY NAMED JCONFIG.H.
- */
-
-
-/*
- * These symbols indicate the properties of your machine or compiler.
- * #define the symbol if yes, #undef it if no.
- */
-
-/* Does your compiler support function prototypes?
- * (If not, you also need to use ansi2knr, see install.doc)
- */
-#define HAVE_PROTOTYPES
-
-/* Does your compiler support the declaration "unsigned char" ?
- * How about "unsigned short" ?
- */
-#define HAVE_UNSIGNED_CHAR
-#define HAVE_UNSIGNED_SHORT
-
-/* Define "void" as "char" if your compiler doesn't know about type void.
- * NOTE: be sure to define void such that "void *" represents the most general
- * pointer type, e.g., that returned by malloc().
- */
-/* #define void char */
-
-/* Define "const" as empty if your compiler doesn't know the "const" keyword.
- */
-/* #define const */
-
-/* Define this if an ordinary "char" type is unsigned.
- * If you're not sure, leaving it undefined will work at some cost in speed.
- * If you defined HAVE_UNSIGNED_CHAR then the speed difference is minimal.
- */
-#undef CHAR_IS_UNSIGNED
-
-/* Define this if your system has an ANSI-conforming <stddef.h> file.
- */
-#define HAVE_STDDEF_H
-
-/* Define this if your system has an ANSI-conforming <stdlib.h> file.
- */
-#define HAVE_STDLIB_H
-
-/* Define this if your system does not have an ANSI/SysV <string.h>,
- * but does have a BSD-style <strings.h>.
- */
-#undef NEED_BSD_STRINGS
-
-/* Define this if your system does not provide typedef size_t in any of the
- * ANSI-standard places (stddef.h, stdlib.h, or stdio.h), but places it in
- * <sys/types.h> instead.
- */
-#undef NEED_SYS_TYPES_H
-
-/* For 80x86 machines, you need to define NEED_FAR_POINTERS,
- * unless you are using a large-data memory model or 80386 flat-memory mode.
- * On less brain-damaged CPUs this symbol must not be defined.
- * (Defining this symbol causes large data structures to be referenced through
- * "far" pointers and to be allocated with a special version of malloc.)
- */
-#undef NEED_FAR_POINTERS
-
-/* Define this if your linker needs global names to be unique in less
- * than the first 15 characters.
- */
-#undef NEED_SHORT_EXTERNAL_NAMES
-
-/* Although a real ANSI C compiler can deal perfectly well with pointers to
- * unspecified structures (see "incomplete types" in the spec), a few pre-ANSI
- * and pseudo-ANSI compilers get confused. To keep one of these bozos happy,
- * define INCOMPLETE_TYPES_BROKEN. This is not recommended unless you
- * actually get "missing structure definition" warnings or errors while
- * compiling the JPEG code.
- */
-#undef INCOMPLETE_TYPES_BROKEN
-
-
-/*
- * The following options affect code selection within the JPEG library,
- * but they don't need to be visible to applications using the library.
- * To minimize application namespace pollution, the symbols won't be
- * defined unless JPEG_INTERNALS has been defined.
- */
-
-#ifdef JPEG_INTERNALS
-
-/* Define this if your compiler implements ">>" on signed values as a logical
- * (unsigned) shift; leave it undefined if ">>" is a signed (arithmetic) shift,
- * which is the normal and rational definition.
- */
-#undef RIGHT_SHIFT_IS_UNSIGNED
-
-
-#endif /* JPEG_INTERNALS */
-
-
-/*
- * The remaining options do not affect the JPEG library proper,
- * but only the sample applications cjpeg/djpeg (see cjpeg.c, djpeg.c).
- * Other applications can ignore these.
- */
-
-#ifdef JPEG_CJPEG_DJPEG
-
-/* These defines indicate which image (non-JPEG) file formats are allowed. */
-
-#define BMP_SUPPORTED /* BMP image file format */
-#define GIF_SUPPORTED /* GIF image file format */
-#define PPM_SUPPORTED /* PBMPLUS PPM/PGM image file format */
-#undef RLE_SUPPORTED /* Utah RLE image file format */
-#define TARGA_SUPPORTED /* Targa image file format */
-
-/* Define this if you want to name both input and output files on the command
- * line, rather than using stdout and optionally stdin. You MUST do this if
- * your system can't cope with binary I/O to stdin/stdout. See comments at
- * head of cjpeg.c or djpeg.c.
- */
-#undef TWO_FILE_COMMANDLINE
-
-/* Define this if your system needs explicit cleanup of temporary files.
- * This is crucial under MS-DOS, where the temporary "files" may be areas
- * of extended memory; on most other systems it's not as important.
- */
-#undef NEED_SIGNAL_CATCHER
-
-/* By default, we open image files with fopen(...,"rb") or fopen(...,"wb").
- * This is necessary on systems that distinguish text files from binary files,
- * and is harmless on most systems that don't. If you have one of the rare
- * systems that complains about the "b" spec, define this symbol.
- */
-#undef DONT_USE_B_MODE
-
-/* Define this if you want percent-done progress reports from cjpeg/djpeg.
- */
-#undef PROGRESS_REPORT
-
-
-#endif /* JPEG_CJPEG_DJPEG */
diff --git a/jpeg/jconfig.doc.gz b/jpeg/jconfig.doc.gz
deleted file mode 100644
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diff --git a/jpeg/jconfig.manx b/jpeg/jconfig.manx
deleted file mode 100644
index 6dd0d008ea..0000000000
--- a/jpeg/jconfig.manx
+++ /dev/null
@@ -1,43 +0,0 @@
-/* jconfig.manx --- jconfig.h for Amiga systems using Manx Aztec C ver 5.x. */
-/* see jconfig.doc for explanations */
-
-#define HAVE_PROTOTYPES
-#define HAVE_UNSIGNED_CHAR
-#define HAVE_UNSIGNED_SHORT
-/* #define void char */
-/* #define const */
-#undef CHAR_IS_UNSIGNED
-#define HAVE_STDDEF_H
-#define HAVE_STDLIB_H
-#undef NEED_BSD_STRINGS
-#undef NEED_SYS_TYPES_H
-#undef NEED_FAR_POINTERS
-#undef NEED_SHORT_EXTERNAL_NAMES
-#undef INCOMPLETE_TYPES_BROKEN
-
-#ifdef JPEG_INTERNALS
-
-#undef RIGHT_SHIFT_IS_UNSIGNED
-
-#define TEMP_DIRECTORY "JPEGTMP:" /* recommended setting for Amiga */
-
-#define SHORTxSHORT_32 /* produces better DCT code with Aztec C */
-
-#endif /* JPEG_INTERNALS */
-
-#ifdef JPEG_CJPEG_DJPEG
-
-#define BMP_SUPPORTED /* BMP image file format */
-#define GIF_SUPPORTED /* GIF image file format */
-#define PPM_SUPPORTED /* PBMPLUS PPM/PGM image file format */
-#undef RLE_SUPPORTED /* Utah RLE image file format */
-#define TARGA_SUPPORTED /* Targa image file format */
-
-#define TWO_FILE_COMMANDLINE
-#define NEED_SIGNAL_CATCHER
-#undef DONT_USE_B_MODE
-#undef PROGRESS_REPORT /* optional */
-
-#define signal_catcher _abort /* hack for Aztec C naming requirements */
-
-#endif /* JPEG_CJPEG_DJPEG */
diff --git a/jpeg/jconfig.mc6 b/jpeg/jconfig.mc6
deleted file mode 100644
index c55082df43..0000000000
--- a/jpeg/jconfig.mc6
+++ /dev/null
@@ -1,52 +0,0 @@
-/* jconfig.mc6 --- jconfig.h for Microsoft C on MS-DOS, version 6.00A & up. */
-/* see jconfig.doc for explanations */
-
-#define HAVE_PROTOTYPES
-#define HAVE_UNSIGNED_CHAR
-#define HAVE_UNSIGNED_SHORT
-/* #define void char */
-/* #define const */
-#undef CHAR_IS_UNSIGNED
-#define HAVE_STDDEF_H
-#define HAVE_STDLIB_H
-#undef NEED_BSD_STRINGS
-#undef NEED_SYS_TYPES_H
-#define NEED_FAR_POINTERS /* for small or medium memory model */
-#undef NEED_SHORT_EXTERNAL_NAMES
-#undef INCOMPLETE_TYPES_BROKEN
-
-#ifdef JPEG_INTERNALS
-
-#undef RIGHT_SHIFT_IS_UNSIGNED
-
-#define USE_MSDOS_MEMMGR /* Define this if you use jmemdos.c */
-
-#define MAX_ALLOC_CHUNK 65520L /* Maximum request to malloc() */
-
-#define USE_FMEM /* Microsoft has _fmemcpy() and _fmemset() */
-
-#define NEED_FHEAPMIN /* far heap management routines are broken */
-
-#define SHORTxLCONST_32 /* enable compiler-specific DCT optimization */
-/* Note: the above define is known to improve the code with Microsoft C 6.00A.
- * I do not know whether it is good for later compiler versions.
- * Please report any info on this point to jpeg-info@uunet.uu.net.
- */
-
-#endif /* JPEG_INTERNALS */
-
-#ifdef JPEG_CJPEG_DJPEG
-
-#define BMP_SUPPORTED /* BMP image file format */
-#define GIF_SUPPORTED /* GIF image file format */
-#define PPM_SUPPORTED /* PBMPLUS PPM/PGM image file format */
-#undef RLE_SUPPORTED /* Utah RLE image file format */
-#define TARGA_SUPPORTED /* Targa image file format */
-
-#define TWO_FILE_COMMANDLINE
-#define USE_SETMODE /* Microsoft has setmode() */
-#define NEED_SIGNAL_CATCHER /* Define this if you use jmemdos.c */
-#undef DONT_USE_B_MODE
-#undef PROGRESS_REPORT /* optional */
-
-#endif /* JPEG_CJPEG_DJPEG */
diff --git a/jpeg/jconfig.sas b/jpeg/jconfig.sas
deleted file mode 100644
index efdac22294..0000000000
--- a/jpeg/jconfig.sas
+++ /dev/null
@@ -1,43 +0,0 @@
-/* jconfig.sas --- jconfig.h for Amiga systems using SAS C 6.0 and up. */
-/* see jconfig.doc for explanations */
-
-#define HAVE_PROTOTYPES
-#define HAVE_UNSIGNED_CHAR
-#define HAVE_UNSIGNED_SHORT
-/* #define void char */
-/* #define const */
-#undef CHAR_IS_UNSIGNED
-#define HAVE_STDDEF_H
-#define HAVE_STDLIB_H
-#undef NEED_BSD_STRINGS
-#undef NEED_SYS_TYPES_H
-#undef NEED_FAR_POINTERS
-#undef NEED_SHORT_EXTERNAL_NAMES
-#undef INCOMPLETE_TYPES_BROKEN
-
-#ifdef JPEG_INTERNALS
-
-#undef RIGHT_SHIFT_IS_UNSIGNED
-
-#define TEMP_DIRECTORY "JPEGTMP:" /* recommended setting for Amiga */
-
-#define NO_MKTEMP /* SAS C doesn't have mktemp() */
-
-#define SHORTxSHORT_32 /* produces better DCT code with SAS C */
-
-#endif /* JPEG_INTERNALS */
-
-#ifdef JPEG_CJPEG_DJPEG
-
-#define BMP_SUPPORTED /* BMP image file format */
-#define GIF_SUPPORTED /* GIF image file format */
-#define PPM_SUPPORTED /* PBMPLUS PPM/PGM image file format */
-#undef RLE_SUPPORTED /* Utah RLE image file format */
-#define TARGA_SUPPORTED /* Targa image file format */
-
-#define TWO_FILE_COMMANDLINE
-#define NEED_SIGNAL_CATCHER
-#undef DONT_USE_B_MODE
-#undef PROGRESS_REPORT /* optional */
-
-#endif /* JPEG_CJPEG_DJPEG */
diff --git a/jpeg/jconfig.st b/jpeg/jconfig.st
deleted file mode 100644
index ab3b5b4d6c..0000000000
--- a/jpeg/jconfig.st
+++ /dev/null
@@ -1,39 +0,0 @@
-/* jconfig.st --- jconfig.h for Atari ST/STE/TT using Pure C or Turbo C. */
-/* see jconfig.doc for explanations */
-
-#define HAVE_PROTOTYPES
-#define HAVE_UNSIGNED_CHAR
-#define HAVE_UNSIGNED_SHORT
-/* #define void char */
-/* #define const */
-#undef CHAR_IS_UNSIGNED
-#define HAVE_STDDEF_H
-#define HAVE_STDLIB_H
-#undef NEED_BSD_STRINGS
-#undef NEED_SYS_TYPES_H
-#undef NEED_FAR_POINTERS
-#undef NEED_SHORT_EXTERNAL_NAMES
-#define INCOMPLETE_TYPES_BROKEN /* suppress undefined-structure warnings */
-
-#ifdef JPEG_INTERNALS
-
-#undef RIGHT_SHIFT_IS_UNSIGNED
-
-#define ALIGN_TYPE long /* apparently double is a weird size? */
-
-#endif /* JPEG_INTERNALS */
-
-#ifdef JPEG_CJPEG_DJPEG
-
-#define BMP_SUPPORTED /* BMP image file format */
-#define GIF_SUPPORTED /* GIF image file format */
-#define PPM_SUPPORTED /* PBMPLUS PPM/PGM image file format */
-#undef RLE_SUPPORTED /* Utah RLE image file format */
-#define TARGA_SUPPORTED /* Targa image file format */
-
-#define TWO_FILE_COMMANDLINE /* optional -- undef if you like Unix style */
-#define NEED_SIGNAL_CATCHER /* needed if you use jmemname.c */
-#undef DONT_USE_B_MODE
-#undef PROGRESS_REPORT /* optional */
-
-#endif /* JPEG_CJPEG_DJPEG */
diff --git a/jpeg/jconfig.vms b/jpeg/jconfig.vms
deleted file mode 100644
index 55a6ffba5c..0000000000
--- a/jpeg/jconfig.vms
+++ /dev/null
@@ -1,37 +0,0 @@
-/* jconfig.vms --- jconfig.h for use on Digital VMS. */
-/* see jconfig.doc for explanations */
-
-#define HAVE_PROTOTYPES
-#define HAVE_UNSIGNED_CHAR
-#define HAVE_UNSIGNED_SHORT
-/* #define void char */
-/* #define const */
-#undef CHAR_IS_UNSIGNED
-#define HAVE_STDDEF_H
-#define HAVE_STDLIB_H
-#undef NEED_BSD_STRINGS
-#undef NEED_SYS_TYPES_H
-#undef NEED_FAR_POINTERS
-#undef NEED_SHORT_EXTERNAL_NAMES
-#undef INCOMPLETE_TYPES_BROKEN
-
-#ifdef JPEG_INTERNALS
-
-#undef RIGHT_SHIFT_IS_UNSIGNED
-
-#endif /* JPEG_INTERNALS */
-
-#ifdef JPEG_CJPEG_DJPEG
-
-#define BMP_SUPPORTED /* BMP image file format */
-#define GIF_SUPPORTED /* GIF image file format */
-#define PPM_SUPPORTED /* PBMPLUS PPM/PGM image file format */
-#undef RLE_SUPPORTED /* Utah RLE image file format */
-#define TARGA_SUPPORTED /* Targa image file format */
-
-#define TWO_FILE_COMMANDLINE /* Needed on VMS */
-#undef NEED_SIGNAL_CATCHER
-#undef DONT_USE_B_MODE
-#undef PROGRESS_REPORT /* optional */
-
-#endif /* JPEG_CJPEG_DJPEG */
diff --git a/jpeg/jmemansi.c b/jpeg/jmemansi.c
deleted file mode 100644
index 70010f96de..0000000000
--- a/jpeg/jmemansi.c
+++ /dev/null
@@ -1,167 +0,0 @@
-/*
- * jmemansi.c
- *
- * Copyright (C) 1992-1994, Thomas G. Lane.
- * This file is part of the Independent JPEG Group's software.
- * For conditions of distribution and use, see the accompanying README file.
- *
- * This file provides a simple generic implementation of the system-
- * dependent portion of the JPEG memory manager. This implementation
- * assumes that you have the ANSI-standard library routine tmpfile().
- * Also, the problem of determining the amount of memory available
- * is shoved onto the user.
- */
-
-#define JPEG_INTERNALS
-#include "jinclude.h"
-#include "jpeglib.h"
-#include "jmemsys.h" /* import the system-dependent declarations */
-
-#ifndef HAVE_STDLIB_H /* <stdlib.h> should declare malloc(),free() */
-extern void * malloc JPP((size_t size));
-extern void free JPP((void *ptr));
-#endif
-
-#ifndef SEEK_SET /* pre-ANSI systems may not define this; */
-#define SEEK_SET 0 /* if not, assume 0 is correct */
-#endif
-
-
-/*
- * Memory allocation and freeing are controlled by the regular library
- * routines malloc() and free().
- */
-
-GLOBAL void *
-jpeg_get_small (j_common_ptr cinfo, size_t sizeofobject)
-{
- return (void *) malloc(sizeofobject);
-}
-
-GLOBAL void
-jpeg_free_small (j_common_ptr cinfo, void * object, size_t sizeofobject)
-{
- free(object);
-}
-
-
-/*
- * "Large" objects are treated the same as "small" ones.
- * NB: although we include FAR keywords in the routine declarations,
- * this file won't actually work in 80x86 small/medium model; at least,
- * you probably won't be able to process useful-size images in only 64KB.
- */
-
-GLOBAL void FAR *
-jpeg_get_large (j_common_ptr cinfo, size_t sizeofobject)
-{
- return (void FAR *) malloc(sizeofobject);
-}
-
-GLOBAL void
-jpeg_free_large (j_common_ptr cinfo, void FAR * object, size_t sizeofobject)
-{
- free(object);
-}
-
-
-/*
- * This routine computes the total memory space available for allocation.
- * It's impossible to do this in a portable way; our current solution is
- * to make the user tell us (with a default value set at compile time).
- * If you can actually get the available space, it's a good idea to subtract
- * a slop factor of 5% or so.
- */
-
-#ifndef DEFAULT_MAX_MEM /* so can override from makefile */
-#define DEFAULT_MAX_MEM 1000000L /* default: one megabyte */
-#endif
-
-GLOBAL long
-jpeg_mem_available (j_common_ptr cinfo, long min_bytes_needed,
- long max_bytes_needed, long already_allocated)
-{
- return cinfo->mem->max_memory_to_use - already_allocated;
-}
-
-
-/*
- * Backing store (temporary file) management.
- * Backing store objects are only used when the value returned by
- * jpeg_mem_available is less than the total space needed. You can dispense
- * with these routines if you have plenty of virtual memory; see jmemnobs.c.
- */
-
-
-METHODDEF void
-read_backing_store (j_common_ptr cinfo, backing_store_ptr info,
- void FAR * buffer_address,
- long file_offset, long byte_count)
-{
- if (fseek(info->temp_file, file_offset, SEEK_SET))
- ERREXIT(cinfo, JERR_TFILE_SEEK);
- if (JFREAD(info->temp_file, buffer_address, byte_count)
- != (size_t) byte_count)
- ERREXIT(cinfo, JERR_TFILE_READ);
-}
-
-
-METHODDEF void
-write_backing_store (j_common_ptr cinfo, backing_store_ptr info,
- void FAR * buffer_address,
- long file_offset, long byte_count)
-{
- if (fseek(info->temp_file, file_offset, SEEK_SET))
- ERREXIT(cinfo, JERR_TFILE_SEEK);
- if (JFWRITE(info->temp_file, buffer_address, byte_count)
- != (size_t) byte_count)
- ERREXIT(cinfo, JERR_TFILE_WRITE);
-}
-
-
-METHODDEF void
-close_backing_store (j_common_ptr cinfo, backing_store_ptr info)
-{
- fclose(info->temp_file);
- /* Since this implementation uses tmpfile() to create the file,
- * no explicit file deletion is needed.
- */
-}
-
-
-/*
- * Initial opening of a backing-store object.
- *
- * This version uses tmpfile(), which constructs a suitable file name
- * behind the scenes. We don't have to use info->temp_name[] at all;
- * indeed, we can't even find out the actual name of the temp file.
- */
-
-GLOBAL void
-jpeg_open_backing_store (j_common_ptr cinfo, backing_store_ptr info,
- long total_bytes_needed)
-{
- if ((info->temp_file = tmpfile()) == NULL)
- ERREXITS(cinfo, JERR_TFILE_CREATE, "");
- info->read_backing_store = read_backing_store;
- info->write_backing_store = write_backing_store;
- info->close_backing_store = close_backing_store;
-}
-
-
-/*
- * These routines take care of any system-dependent initialization and
- * cleanup required.
- */
-
-GLOBAL long
-jpeg_mem_init (j_common_ptr cinfo)
-{
- return DEFAULT_MAX_MEM; /* default for max_memory_to_use */
-}
-
-GLOBAL void
-jpeg_mem_term (j_common_ptr cinfo)
-{
- /* no work */
-}
diff --git a/jpeg/jmemdos.c b/jpeg/jmemdos.c
deleted file mode 100644
index 4db8ec574a..0000000000
--- a/jpeg/jmemdos.c
+++ /dev/null
@@ -1,634 +0,0 @@
-/*
- * jmemdos.c
- *
- * Copyright (C) 1992-1994, Thomas G. Lane.
- * This file is part of the Independent JPEG Group's software.
- * For conditions of distribution and use, see the accompanying README file.
- *
- * This file provides an MS-DOS-compatible implementation of the system-
- * dependent portion of the JPEG memory manager. Temporary data can be
- * stored in extended or expanded memory as well as in regular DOS files.
- *
- * If you use this file, you must be sure that NEED_FAR_POINTERS is defined
- * if you compile in a small-data memory model; it should NOT be defined if
- * you use a large-data memory model. This file is not recommended if you
- * are using a flat-memory-space 386 environment such as DJGCC or Watcom C.
- * Also, this code will NOT work if struct fields are aligned on greater than
- * 2-byte boundaries.
- *
- * Based on code contributed by Ge' Weijers.
- */
-
-/*
- * If you have both extended and expanded memory, you may want to change the
- * order in which they are tried in jopen_backing_store. On a 286 machine
- * expanded memory is usually faster, since extended memory access involves
- * an expensive protected-mode-and-back switch. On 386 and better, extended
- * memory is usually faster. As distributed, the code tries extended memory
- * first (what? not everyone has a 386? :-).
- *
- * You can disable use of extended/expanded memory entirely by altering these
- * definitions or overriding them from the Makefile (eg, -DEMS_SUPPORTED=0).
- */
-
-#ifndef XMS_SUPPORTED
-#define XMS_SUPPORTED 1
-#endif
-#ifndef EMS_SUPPORTED
-#define EMS_SUPPORTED 1
-#endif
-
-
-#define JPEG_INTERNALS
-#include "jinclude.h"
-#include "jpeglib.h"
-#include "jmemsys.h" /* import the system-dependent declarations */
-
-#ifndef HAVE_STDLIB_H /* <stdlib.h> should declare these */
-extern void * malloc JPP((size_t size));
-extern void free JPP((void *ptr));
-extern char * getenv JPP((const char * name));
-#endif
-
-#ifdef NEED_FAR_POINTERS
-
-#ifdef __TURBOC__
-/* These definitions work for Borland C (Turbo C) */
-#include <alloc.h> /* need farmalloc(), farfree() */
-#define far_malloc(x) farmalloc(x)
-#define far_free(x) farfree(x)
-#else
-/* These definitions work for Microsoft C and compatible compilers */
-#include <malloc.h> /* need _fmalloc(), _ffree() */
-#define far_malloc(x) _fmalloc(x)
-#define far_free(x) _ffree(x)
-#endif
-
-#else /* not NEED_FAR_POINTERS */
-
-#define far_malloc(x) malloc(x)
-#define far_free(x) free(x)
-
-#endif /* NEED_FAR_POINTERS */
-
-#ifdef DONT_USE_B_MODE /* define mode parameters for fopen() */
-#define READ_BINARY "r"
-#else
-#define READ_BINARY "rb"
-#endif
-
-#if MAX_ALLOC_CHUNK >= 65535L /* make sure jconfig.h got this right */
- MAX_ALLOC_CHUNK should be less than 64K. /* deliberate syntax error */
-#endif
-
-
-/*
- * Declarations for assembly-language support routines (see jmemdosa.asm).
- *
- * The functions are declared "far" as are all pointer arguments;
- * this ensures the assembly source code will work regardless of the
- * compiler memory model. We assume "short" is 16 bits, "long" is 32.
- */
-
-typedef void far * XMSDRIVER; /* actually a pointer to code */
-typedef struct { /* registers for calling XMS driver */
- unsigned short ax, dx, bx;
- void far * ds_si;
- } XMScontext;
-typedef struct { /* registers for calling EMS driver */
- unsigned short ax, dx, bx;
- void far * ds_si;
- } EMScontext;
-
-EXTERN short far jdos_open JPP((short far * handle, char far * filename));
-EXTERN short far jdos_close JPP((short handle));
-EXTERN short far jdos_seek JPP((short handle, long offset));
-EXTERN short far jdos_read JPP((short handle, void far * buffer,
- unsigned short count));
-EXTERN short far jdos_write JPP((short handle, void far * buffer,
- unsigned short count));
-EXTERN void far jxms_getdriver JPP((XMSDRIVER far *));
-EXTERN void far jxms_calldriver JPP((XMSDRIVER, XMScontext far *));
-EXTERN short far jems_available JPP((void));
-EXTERN void far jems_calldriver JPP((EMScontext far *));
-
-
-/*
- * Selection of a file name for a temporary file.
- * This is highly system-dependent, and you may want to customize it.
- */
-
-static int next_file_num; /* to distinguish among several temp files */
-
-LOCAL void
-select_file_name (char * fname)
-{
- const char * env;
- char * ptr;
- FILE * tfile;
-
- /* Keep generating file names till we find one that's not in use */
- for (;;) {
- /* Get temp directory name from environment TMP or TEMP variable;
- * if none, use "."
- */
- if ((env = (const char *) getenv("TMP")) == NULL)
- if ((env = (const char *) getenv("TEMP")) == NULL)
- env = ".";
- if (*env == '\0') /* null string means "." */
- env = ".";
- ptr = fname; /* copy name to fname */
- while (*env != '\0')
- *ptr++ = *env++;
- if (ptr[-1] != '\\' && ptr[-1] != '/')
- *ptr++ = '\\'; /* append backslash if not in env variable */
- /* Append a suitable file name */
- next_file_num++; /* advance counter */
- sprintf(ptr, "JPG%03d.TMP", next_file_num);
- /* Probe to see if file name is already in use */
- if ((tfile = fopen(fname, READ_BINARY)) == NULL)
- break;
- fclose(tfile); /* oops, it's there; close tfile & try again */
- }
-}
-
-
-/*
- * Near-memory allocation and freeing are controlled by the regular library
- * routines malloc() and free().
- */
-
-GLOBAL void *
-jpeg_get_small (j_common_ptr cinfo, size_t sizeofobject)
-{
- return (void *) malloc(sizeofobject);
-}
-
-GLOBAL void
-jpeg_free_small (j_common_ptr cinfo, void * object, size_t sizeofobject)
-{
- free(object);
-}
-
-
-/*
- * "Large" objects are allocated in far memory, if possible
- */
-
-GLOBAL void FAR *
-jpeg_get_large (j_common_ptr cinfo, size_t sizeofobject)
-{
- return (void FAR *) far_malloc(sizeofobject);
-}
-
-GLOBAL void
-jpeg_free_large (j_common_ptr cinfo, void FAR * object, size_t sizeofobject)
-{
- far_free(object);
-}
-
-
-/*
- * This routine computes the total memory space available for allocation.
- * It's impossible to do this in a portable way; our current solution is
- * to make the user tell us (with a default value set at compile time).
- * If you can actually get the available space, it's a good idea to subtract
- * a slop factor of 5% or so.
- */
-
-#ifndef DEFAULT_MAX_MEM /* so can override from makefile */
-#define DEFAULT_MAX_MEM 300000L /* for total usage about 450K */
-#endif
-
-GLOBAL long
-jpeg_mem_available (j_common_ptr cinfo, long min_bytes_needed,
- long max_bytes_needed, long already_allocated)
-{
- return cinfo->mem->max_memory_to_use - already_allocated;
-}
-
-
-/*
- * Backing store (temporary file) management.
- * Backing store objects are only used when the value returned by
- * jpeg_mem_available is less than the total space needed. You can dispense
- * with these routines if you have plenty of virtual memory; see jmemnobs.c.
- */
-
-/*
- * For MS-DOS we support three types of backing storage:
- * 1. Conventional DOS files. We access these by direct DOS calls rather
- * than via the stdio package. This provides a bit better performance,
- * but the real reason is that the buffers to be read or written are FAR.
- * The stdio library for small-data memory models can't cope with that.
- * 2. Extended memory, accessed per the XMS V2.0 specification.
- * 3. Expanded memory, accessed per the LIM/EMS 4.0 specification.
- * You'll need copies of those specs to make sense of the related code.
- * The specs are available by Internet FTP from the SIMTEL archives
- * (oak.oakland.edu and its various mirror sites). See files
- * pub/msdos/microsoft/xms20.arc and pub/msdos/info/limems41.zip.
- */
-
-
-/*
- * Access methods for a DOS file.
- */
-
-
-METHODDEF void
-read_file_store (j_common_ptr cinfo, backing_store_ptr info,
- void FAR * buffer_address,
- long file_offset, long byte_count)
-{
- if (jdos_seek(info->handle.file_handle, file_offset))
- ERREXIT(cinfo, JERR_TFILE_SEEK);
- /* Since MAX_ALLOC_CHUNK is less than 64K, byte_count will be too. */
- if (byte_count > 65535L) /* safety check */
- ERREXIT(cinfo, JERR_BAD_ALLOC_CHUNK);
- if (jdos_read(info->handle.file_handle, buffer_address,
- (unsigned short) byte_count))
- ERREXIT(cinfo, JERR_TFILE_READ);
-}
-
-
-METHODDEF void
-write_file_store (j_common_ptr cinfo, backing_store_ptr info,
- void FAR * buffer_address,
- long file_offset, long byte_count)
-{
- if (jdos_seek(info->handle.file_handle, file_offset))
- ERREXIT(cinfo, JERR_TFILE_SEEK);
- /* Since MAX_ALLOC_CHUNK is less than 64K, byte_count will be too. */
- if (byte_count > 65535L) /* safety check */
- ERREXIT(cinfo, JERR_BAD_ALLOC_CHUNK);
- if (jdos_write(info->handle.file_handle, buffer_address,
- (unsigned short) byte_count))
- ERREXIT(cinfo, JERR_TFILE_WRITE);
-}
-
-
-METHODDEF void
-close_file_store (j_common_ptr cinfo, backing_store_ptr info)
-{
- jdos_close(info->handle.file_handle); /* close the file */
- remove(info->temp_name); /* delete the file */
-/* If your system doesn't have remove(), try unlink() instead.
- * remove() is the ANSI-standard name for this function, but
- * unlink() was more common in pre-ANSI systems.
- */
- TRACEMSS(cinfo, 1, JTRC_TFILE_CLOSE, info->temp_name);
-}
-
-
-LOCAL boolean
-open_file_store (j_common_ptr cinfo, backing_store_ptr info,
- long total_bytes_needed)
-{
- short handle;
-
- select_file_name(info->temp_name);
- if (jdos_open((short far *) & handle, (char far *) info->temp_name)) {
- /* might as well exit since jpeg_open_backing_store will fail anyway */
- ERREXITS(cinfo, JERR_TFILE_CREATE, info->temp_name);
- return FALSE;
- }
- info->handle.file_handle = handle;
- info->read_backing_store = read_file_store;
- info->write_backing_store = write_file_store;
- info->close_backing_store = close_file_store;
- TRACEMSS(cinfo, 1, JTRC_TFILE_OPEN, info->temp_name);
- return TRUE; /* succeeded */
-}
-
-
-/*
- * Access methods for extended memory.
- */
-
-#if XMS_SUPPORTED
-
-static XMSDRIVER xms_driver; /* saved address of XMS driver */
-
-typedef union { /* either long offset or real-mode pointer */
- long offset;
- void far * ptr;
- } XMSPTR;
-
-typedef struct { /* XMS move specification structure */
- long length;
- XMSH src_handle;
- XMSPTR src;
- XMSH dst_handle;
- XMSPTR dst;
- } XMSspec;
-
-#define ODD(X) (((X) & 1L) != 0)
-
-
-METHODDEF void
-read_xms_store (j_common_ptr cinfo, backing_store_ptr info,
- void FAR * buffer_address,
- long file_offset, long byte_count)
-{
- XMScontext ctx;
- XMSspec spec;
- char endbuffer[2];
-
- /* The XMS driver can't cope with an odd length, so handle the last byte
- * specially if byte_count is odd. We don't expect this to be common.
- */
-
- spec.length = byte_count & (~ 1L);
- spec.src_handle = info->handle.xms_handle;
- spec.src.offset = file_offset;
- spec.dst_handle = 0;
- spec.dst.ptr = buffer_address;
-
- ctx.ds_si = (void far *) & spec;
- ctx.ax = 0x0b00; /* EMB move */
- jxms_calldriver(xms_driver, (XMScontext far *) & ctx);
- if (ctx.ax != 1)
- ERREXIT(cinfo, JERR_XMS_READ);
-
- if (ODD(byte_count)) {
- read_xms_store(cinfo, info, (void FAR *) endbuffer,
- file_offset + byte_count - 1L, 2L);
- ((char FAR *) buffer_address)[byte_count - 1L] = endbuffer[0];
- }
-}
-
-
-METHODDEF void
-write_xms_store (j_common_ptr cinfo, backing_store_ptr info,
- void FAR * buffer_address,
- long file_offset, long byte_count)
-{
- XMScontext ctx;
- XMSspec spec;
- char endbuffer[2];
-
- /* The XMS driver can't cope with an odd length, so handle the last byte
- * specially if byte_count is odd. We don't expect this to be common.
- */
-
- spec.length = byte_count & (~ 1L);
- spec.src_handle = 0;
- spec.src.ptr = buffer_address;
- spec.dst_handle = info->handle.xms_handle;
- spec.dst.offset = file_offset;
-
- ctx.ds_si = (void far *) & spec;
- ctx.ax = 0x0b00; /* EMB move */
- jxms_calldriver(xms_driver, (XMScontext far *) & ctx);
- if (ctx.ax != 1)
- ERREXIT(cinfo, JERR_XMS_WRITE);
-
- if (ODD(byte_count)) {
- read_xms_store(cinfo, info, (void FAR *) endbuffer,
- file_offset + byte_count - 1L, 2L);
- endbuffer[0] = ((char FAR *) buffer_address)[byte_count - 1L];
- write_xms_store(cinfo, info, (void FAR *) endbuffer,
- file_offset + byte_count - 1L, 2L);
- }
-}
-
-
-METHODDEF void
-close_xms_store (j_common_ptr cinfo, backing_store_ptr info)
-{
- XMScontext ctx;
-
- ctx.dx = info->handle.xms_handle;
- ctx.ax = 0x0a00;
- jxms_calldriver(xms_driver, (XMScontext far *) & ctx);
- TRACEMS1(cinfo, 1, JTRC_XMS_CLOSE, info->handle.xms_handle);
- /* we ignore any error return from the driver */
-}
-
-
-LOCAL boolean
-open_xms_store (j_common_ptr cinfo, backing_store_ptr info,
- long total_bytes_needed)
-{
- XMScontext ctx;
-
- /* Get address of XMS driver */
- jxms_getdriver((XMSDRIVER far *) & xms_driver);
- if (xms_driver == NULL)
- return FALSE; /* no driver to be had */
-
- /* Get version number, must be >= 2.00 */
- ctx.ax = 0x0000;
- jxms_calldriver(xms_driver, (XMScontext far *) & ctx);
- if (ctx.ax < (unsigned short) 0x0200)
- return FALSE;
-
- /* Try to get space (expressed in kilobytes) */
- ctx.dx = (unsigned short) ((total_bytes_needed + 1023L) >> 10);
- ctx.ax = 0x0900;
- jxms_calldriver(xms_driver, (XMScontext far *) & ctx);
- if (ctx.ax != 1)
- return FALSE;
-
- /* Succeeded, save the handle and away we go */
- info->handle.xms_handle = ctx.dx;
- info->read_backing_store = read_xms_store;
- info->write_backing_store = write_xms_store;
- info->close_backing_store = close_xms_store;
- TRACEMS1(cinfo, 1, JTRC_XMS_OPEN, ctx.dx);
- return TRUE; /* succeeded */
-}
-
-#endif /* XMS_SUPPORTED */
-
-
-/*
- * Access methods for expanded memory.
- */
-
-#if EMS_SUPPORTED
-
-/* The EMS move specification structure requires word and long fields aligned
- * at odd byte boundaries. Some compilers will align struct fields at even
- * byte boundaries. While it's usually possible to force byte alignment,
- * that causes an overall performance penalty and may pose problems in merging
- * JPEG into a larger application. Instead we accept some rather dirty code
- * here. Note this code would fail if the hardware did not allow odd-byte
- * word & long accesses, but all 80x86 CPUs do.
- */
-
-typedef void far * EMSPTR;
-
-typedef union { /* EMS move specification structure */
- long length; /* It's easy to access first 4 bytes */
- char bytes[18]; /* Misaligned fields in here! */
- } EMSspec;
-
-/* Macros for accessing misaligned fields */
-#define FIELD_AT(spec,offset,type) (*((type *) &(spec.bytes[offset])))
-#define SRC_TYPE(spec) FIELD_AT(spec,4,char)
-#define SRC_HANDLE(spec) FIELD_AT(spec,5,EMSH)
-#define SRC_OFFSET(spec) FIELD_AT(spec,7,unsigned short)
-#define SRC_PAGE(spec) FIELD_AT(spec,9,unsigned short)
-#define SRC_PTR(spec) FIELD_AT(spec,7,EMSPTR)
-#define DST_TYPE(spec) FIELD_AT(spec,11,char)
-#define DST_HANDLE(spec) FIELD_AT(spec,12,EMSH)
-#define DST_OFFSET(spec) FIELD_AT(spec,14,unsigned short)
-#define DST_PAGE(spec) FIELD_AT(spec,16,unsigned short)
-#define DST_PTR(spec) FIELD_AT(spec,14,EMSPTR)
-
-#define EMSPAGESIZE 16384L /* gospel, see the EMS specs */
-
-#define HIBYTE(W) (((W) >> 8) & 0xFF)
-#define LOBYTE(W) ((W) & 0xFF)
-
-
-METHODDEF void
-read_ems_store (j_common_ptr cinfo, backing_store_ptr info,
- void FAR * buffer_address,
- long file_offset, long byte_count)
-{
- EMScontext ctx;
- EMSspec spec;
-
- spec.length = byte_count;
- SRC_TYPE(spec) = 1;
- SRC_HANDLE(spec) = info->handle.ems_handle;
- SRC_PAGE(spec) = (unsigned short) (file_offset / EMSPAGESIZE);
- SRC_OFFSET(spec) = (unsigned short) (file_offset % EMSPAGESIZE);
- DST_TYPE(spec) = 0;
- DST_HANDLE(spec) = 0;
- DST_PTR(spec) = buffer_address;
-
- ctx.ds_si = (void far *) & spec;
- ctx.ax = 0x5700; /* move memory region */
- jems_calldriver((EMScontext far *) & ctx);
- if (HIBYTE(ctx.ax) != 0)
- ERREXIT(cinfo, JERR_EMS_READ);
-}
-
-
-METHODDEF void
-write_ems_store (j_common_ptr cinfo, backing_store_ptr info,
- void FAR * buffer_address,
- long file_offset, long byte_count)
-{
- EMScontext ctx;
- EMSspec spec;
-
- spec.length = byte_count;
- SRC_TYPE(spec) = 0;
- SRC_HANDLE(spec) = 0;
- SRC_PTR(spec) = buffer_address;
- DST_TYPE(spec) = 1;
- DST_HANDLE(spec) = info->handle.ems_handle;
- DST_PAGE(spec) = (unsigned short) (file_offset / EMSPAGESIZE);
- DST_OFFSET(spec) = (unsigned short) (file_offset % EMSPAGESIZE);
-
- ctx.ds_si = (void far *) & spec;
- ctx.ax = 0x5700; /* move memory region */
- jems_calldriver((EMScontext far *) & ctx);
- if (HIBYTE(ctx.ax) != 0)
- ERREXIT(cinfo, JERR_EMS_WRITE);
-}
-
-
-METHODDEF void
-close_ems_store (j_common_ptr cinfo, backing_store_ptr info)
-{
- EMScontext ctx;
-
- ctx.ax = 0x4500;
- ctx.dx = info->handle.ems_handle;
- jems_calldriver((EMScontext far *) & ctx);
- TRACEMS1(cinfo, 1, JTRC_EMS_CLOSE, info->handle.ems_handle);
- /* we ignore any error return from the driver */
-}
-
-
-LOCAL boolean
-open_ems_store (j_common_ptr cinfo, backing_store_ptr info,
- long total_bytes_needed)
-{
- EMScontext ctx;
-
- /* Is EMS driver there? */
- if (! jems_available())
- return FALSE;
-
- /* Get status, make sure EMS is OK */
- ctx.ax = 0x4000;
- jems_calldriver((EMScontext far *) & ctx);
- if (HIBYTE(ctx.ax) != 0)
- return FALSE;
-
- /* Get version, must be >= 4.0 */
- ctx.ax = 0x4600;
- jems_calldriver((EMScontext far *) & ctx);
- if (HIBYTE(ctx.ax) != 0 || LOBYTE(ctx.ax) < 0x40)
- return FALSE;
-
- /* Try to allocate requested space */
- ctx.ax = 0x4300;
- ctx.bx = (unsigned short) ((total_bytes_needed + EMSPAGESIZE-1L) / EMSPAGESIZE);
- jems_calldriver((EMScontext far *) & ctx);
- if (HIBYTE(ctx.ax) != 0)
- return FALSE;
-
- /* Succeeded, save the handle and away we go */
- info->handle.ems_handle = ctx.dx;
- info->read_backing_store = read_ems_store;
- info->write_backing_store = write_ems_store;
- info->close_backing_store = close_ems_store;
- TRACEMS1(cinfo, 1, JTRC_EMS_OPEN, ctx.dx);
- return TRUE; /* succeeded */
-}
-
-#endif /* EMS_SUPPORTED */
-
-
-/*
- * Initial opening of a backing-store object.
- */
-
-GLOBAL void
-jpeg_open_backing_store (j_common_ptr cinfo, backing_store_ptr info,
- long total_bytes_needed)
-{
- /* Try extended memory, then expanded memory, then regular file. */
-#if XMS_SUPPORTED
- if (open_xms_store(cinfo, info, total_bytes_needed))
- return;
-#endif
-#if EMS_SUPPORTED
- if (open_ems_store(cinfo, info, total_bytes_needed))
- return;
-#endif
- if (open_file_store(cinfo, info, total_bytes_needed))
- return;
- ERREXITS(cinfo, JERR_TFILE_CREATE, "");
-}
-
-
-/*
- * These routines take care of any system-dependent initialization and
- * cleanup required.
- */
-
-GLOBAL long
-jpeg_mem_init (j_common_ptr cinfo)
-{
- next_file_num = 0; /* initialize temp file name generator */
- return DEFAULT_MAX_MEM; /* default for max_memory_to_use */
-}
-
-GLOBAL void
-jpeg_mem_term (j_common_ptr cinfo)
-{
- /* Microsoft C, at least in v6.00A, will not successfully reclaim freed
- * blocks of size > 32Kbytes unless we give it a kick in the rear, like so:
- */
-#ifdef NEED_FHEAPMIN
- _fheapmin();
-#endif
-}
diff --git a/jpeg/jmemdosa.asm b/jpeg/jmemdosa.asm
deleted file mode 100644
index ecd43729fe..0000000000
--- a/jpeg/jmemdosa.asm
+++ /dev/null
@@ -1,379 +0,0 @@
-;
-; jmemdosa.asm
-;
-; Copyright (C) 1992, Thomas G. Lane.
-; This file is part of the Independent JPEG Group's software.
-; For conditions of distribution and use, see the accompanying README file.
-;
-; This file contains low-level interface routines to support the MS-DOS
-; backing store manager (jmemdos.c). Routines are provided to access disk
-; files through direct DOS calls, and to access XMS and EMS drivers.
-;
-; This file should assemble with Microsoft's MASM or any compatible
-; assembler (including Borland's Turbo Assembler). If you haven't got
-; a compatible assembler, better fall back to jmemansi.c or jmemname.c.
-;
-; To minimize dependence on the C compiler's register usage conventions,
-; we save and restore all 8086 registers, even though most compilers only
-; require SI,DI,DS to be preserved. Also, we use only 16-bit-wide return
-; values, which everybody returns in AX.
-;
-; Based on code contributed by Ge' Weijers.
-;
-
-JMEMDOSA_TXT segment byte public 'CODE'
-
- assume cs:JMEMDOSA_TXT
-
- public _jdos_open
- public _jdos_close
- public _jdos_seek
- public _jdos_read
- public _jdos_write
- public _jxms_getdriver
- public _jxms_calldriver
- public _jems_available
- public _jems_calldriver
-
-;
-; short far jdos_open (short far * handle, char far * filename)
-;
-; Create and open a temporary file
-;
-_jdos_open proc far
- push bp ; linkage
- mov bp,sp
- push si ; save all registers for safety
- push di
- push bx
- push cx
- push dx
- push es
- push ds
- mov cx,0 ; normal file attributes
- lds dx,dword ptr [bp+10] ; get filename pointer
- mov ah,3ch ; create file
- int 21h
- jc open_err ; if failed, return error code
- lds bx,dword ptr [bp+6] ; get handle pointer
- mov word ptr [bx],ax ; save the handle
- xor ax,ax ; return zero for OK
-open_err: pop ds ; restore registers and exit
- pop es
- pop dx
- pop cx
- pop bx
- pop di
- pop si
- pop bp
- ret
-_jdos_open endp
-
-
-;
-; short far jdos_close (short handle)
-;
-; Close the file handle
-;
-_jdos_close proc far
- push bp ; linkage
- mov bp,sp
- push si ; save all registers for safety
- push di
- push bx
- push cx
- push dx
- push es
- push ds
- mov bx,word ptr [bp+6] ; file handle
- mov ah,3eh ; close file
- int 21h
- jc close_err ; if failed, return error code
- xor ax,ax ; return zero for OK
-close_err: pop ds ; restore registers and exit
- pop es
- pop dx
- pop cx
- pop bx
- pop di
- pop si
- pop bp
- ret
-_jdos_close endp
-
-
-;
-; short far jdos_seek (short handle, long offset)
-;
-; Set file position
-;
-_jdos_seek proc far
- push bp ; linkage
- mov bp,sp
- push si ; save all registers for safety
- push di
- push bx
- push cx
- push dx
- push es
- push ds
- mov bx,word ptr [bp+6] ; file handle
- mov dx,word ptr [bp+8] ; LS offset
- mov cx,word ptr [bp+10] ; MS offset
- mov ax,4200h ; absolute seek
- int 21h
- jc seek_err ; if failed, return error code
- xor ax,ax ; return zero for OK
-seek_err: pop ds ; restore registers and exit
- pop es
- pop dx
- pop cx
- pop bx
- pop di
- pop si
- pop bp
- ret
-_jdos_seek endp
-
-
-;
-; short far jdos_read (short handle, void far * buffer, unsigned short count)
-;
-; Read from file
-;
-_jdos_read proc far
- push bp ; linkage
- mov bp,sp
- push si ; save all registers for safety
- push di
- push bx
- push cx
- push dx
- push es
- push ds
- mov bx,word ptr [bp+6] ; file handle
- lds dx,dword ptr [bp+8] ; buffer address
- mov cx,word ptr [bp+12] ; number of bytes
- mov ah,3fh ; read file
- int 21h
- jc read_err ; if failed, return error code
- cmp ax,word ptr [bp+12] ; make sure all bytes were read
- je read_ok
- mov ax,1 ; else return 1 for not OK
- jmp short read_err
-read_ok: xor ax,ax ; return zero for OK
-read_err: pop ds ; restore registers and exit
- pop es
- pop dx
- pop cx
- pop bx
- pop di
- pop si
- pop bp
- ret
-_jdos_read endp
-
-
-;
-; short far jdos_write (short handle, void far * buffer, unsigned short count)
-;
-; Write to file
-;
-_jdos_write proc far
- push bp ; linkage
- mov bp,sp
- push si ; save all registers for safety
- push di
- push bx
- push cx
- push dx
- push es
- push ds
- mov bx,word ptr [bp+6] ; file handle
- lds dx,dword ptr [bp+8] ; buffer address
- mov cx,word ptr [bp+12] ; number of bytes
- mov ah,40h ; write file
- int 21h
- jc write_err ; if failed, return error code
- cmp ax,word ptr [bp+12] ; make sure all bytes written
- je write_ok
- mov ax,1 ; else return 1 for not OK
- jmp short write_err
-write_ok: xor ax,ax ; return zero for OK
-write_err: pop ds ; restore registers and exit
- pop es
- pop dx
- pop cx
- pop bx
- pop di
- pop si
- pop bp
- ret
-_jdos_write endp
-
-
-;
-; void far jxms_getdriver (XMSDRIVER far *)
-;
-; Get the address of the XMS driver, or NULL if not available
-;
-_jxms_getdriver proc far
- push bp ; linkage
- mov bp,sp
- push si ; save all registers for safety
- push di
- push bx
- push cx
- push dx
- push es
- push ds
- mov ax,4300h ; call multiplex interrupt with
- int 2fh ; a magic cookie, hex 4300
- cmp al,80h ; AL should contain hex 80
- je xmsavail
- xor dx,dx ; no XMS driver available
- xor ax,ax ; return a nil pointer
- jmp short xmsavail_done
-xmsavail: mov ax,4310h ; fetch driver address with
- int 2fh ; another magic cookie
- mov dx,es ; copy address to dx:ax
- mov ax,bx
-xmsavail_done: les bx,dword ptr [bp+6] ; get pointer to return value
- mov word ptr es:[bx],ax
- mov word ptr es:[bx+2],dx
- pop ds ; restore registers and exit
- pop es
- pop dx
- pop cx
- pop bx
- pop di
- pop si
- pop bp
- ret
-_jxms_getdriver endp
-
-
-;
-; void far jxms_calldriver (XMSDRIVER, XMScontext far *)
-;
-; The XMScontext structure contains values for the AX,DX,BX,SI,DS registers.
-; These are loaded, the XMS call is performed, and the new values of the
-; AX,DX,BX registers are written back to the context structure.
-;
-_jxms_calldriver proc far
- push bp ; linkage
- mov bp,sp
- push si ; save all registers for safety
- push di
- push bx
- push cx
- push dx
- push es
- push ds
- les bx,dword ptr [bp+10] ; get XMScontext pointer
- mov ax,word ptr es:[bx] ; load registers
- mov dx,word ptr es:[bx+2]
- mov si,word ptr es:[bx+6]
- mov ds,word ptr es:[bx+8]
- mov bx,word ptr es:[bx+4]
- call dword ptr [bp+6] ; call the driver
- mov cx,bx ; save returned BX for a sec
- les bx,dword ptr [bp+10] ; get XMScontext pointer
- mov word ptr es:[bx],ax ; put back ax,dx,bx
- mov word ptr es:[bx+2],dx
- mov word ptr es:[bx+4],cx
- pop ds ; restore registers and exit
- pop es
- pop dx
- pop cx
- pop bx
- pop di
- pop si
- pop bp
- ret
-_jxms_calldriver endp
-
-
-;
-; short far jems_available (void)
-;
-; Have we got an EMS driver? (this comes straight from the EMS 4.0 specs)
-;
-_jems_available proc far
- push si ; save all registers for safety
- push di
- push bx
- push cx
- push dx
- push es
- push ds
- mov ax,3567h ; get interrupt vector 67h
- int 21h
- push cs
- pop ds
- mov di,000ah ; check offs 10 in returned seg
- lea si,ASCII_device_name ; against literal string
- mov cx,8
- cld
- repe cmpsb
- jne no_ems
- mov ax,1 ; match, it's there
- jmp short avail_done
-no_ems: xor ax,ax ; it's not there
-avail_done: pop ds ; restore registers and exit
- pop es
- pop dx
- pop cx
- pop bx
- pop di
- pop si
- ret
-
-ASCII_device_name db "EMMXXXX0"
-
-_jems_available endp
-
-
-;
-; void far jems_calldriver (EMScontext far *)
-;
-; The EMScontext structure contains values for the AX,DX,BX,SI,DS registers.
-; These are loaded, the EMS trap is performed, and the new values of the
-; AX,DX,BX registers are written back to the context structure.
-;
-_jems_calldriver proc far
- push bp ; linkage
- mov bp,sp
- push si ; save all registers for safety
- push di
- push bx
- push cx
- push dx
- push es
- push ds
- les bx,dword ptr [bp+6] ; get EMScontext pointer
- mov ax,word ptr es:[bx] ; load registers
- mov dx,word ptr es:[bx+2]
- mov si,word ptr es:[bx+6]
- mov ds,word ptr es:[bx+8]
- mov bx,word ptr es:[bx+4]
- int 67h ; call the EMS driver
- mov cx,bx ; save returned BX for a sec
- les bx,dword ptr [bp+6] ; get EMScontext pointer
- mov word ptr es:[bx],ax ; put back ax,dx,bx
- mov word ptr es:[bx+2],dx
- mov word ptr es:[bx+4],cx
- pop ds ; restore registers and exit
- pop es
- pop dx
- pop cx
- pop bx
- pop di
- pop si
- pop bp
- ret
-_jems_calldriver endp
-
-JMEMDOSA_TXT ends
-
- end
diff --git a/jpeg/jmemname.c b/jpeg/jmemname.c
deleted file mode 100644
index f6c9562461..0000000000
--- a/jpeg/jmemname.c
+++ /dev/null
@@ -1,248 +0,0 @@
-/*
- * jmemname.c
- *
- * Copyright (C) 1992-1994, Thomas G. Lane.
- * This file is part of the Independent JPEG Group's software.
- * For conditions of distribution and use, see the accompanying README file.
- *
- * This file provides a generic implementation of the system-dependent
- * portion of the JPEG memory manager. This implementation assumes that
- * you must explicitly construct a name for each temp file.
- * Also, the problem of determining the amount of memory available
- * is shoved onto the user.
- */
-
-#define JPEG_INTERNALS
-#include "jinclude.h"
-#include "jpeglib.h"
-#include "jmemsys.h" /* import the system-dependent declarations */
-
-#ifndef HAVE_STDLIB_H /* <stdlib.h> should declare malloc(),free() */
-extern void * malloc JPP((size_t size));
-extern void free JPP((void *ptr));
-#endif
-
-#ifndef SEEK_SET /* pre-ANSI systems may not define this; */
-#define SEEK_SET 0 /* if not, assume 0 is correct */
-#endif
-
-#ifdef DONT_USE_B_MODE /* define mode parameters for fopen() */
-#define READ_BINARY "r"
-#define RW_BINARY "w+"
-#else
-#define READ_BINARY "rb"
-#define RW_BINARY "w+b"
-#endif
-
-
-/*
- * Selection of a file name for a temporary file.
- * This is system-dependent!
- *
- * The code as given is suitable for most Unix systems, and it is easily
- * modified for most non-Unix systems. Some notes:
- * 1. The temp file is created in the directory named by TEMP_DIRECTORY.
- * The default value is /usr/tmp, which is the conventional place for
- * creating large temp files on Unix. On other systems you'll probably
- * want to change the file location. You can do this by editing the
- * #define, or (preferred) by defining TEMP_DIRECTORY in jconfig.h.
- *
- * 2. If you need to change the file name as well as its location,
- * you can override the TEMP_FILE_NAME macro. (Note that this is
- * actually a printf format string; it must contain %s and %d.)
- * Few people should need to do this.
- *
- * 3. mktemp() is used to ensure that multiple processes running
- * simultaneously won't select the same file names. If your system
- * doesn't have mktemp(), define NO_MKTEMP to do it the hard way.
- *
- * 4. You probably want to define NEED_SIGNAL_CATCHER so that cjpeg.c/djpeg.c
- * will cause the temp files to be removed if you stop the program early.
- */
-
-#ifndef TEMP_DIRECTORY /* can override from jconfig.h or Makefile */
-#define TEMP_DIRECTORY "/usr/tmp/" /* recommended setting for Unix */
-#endif
-
-static int next_file_num; /* to distinguish among several temp files */
-
-#ifdef NO_MKTEMP
-
-#ifndef TEMP_FILE_NAME /* can override from jconfig.h or Makefile */
-#define TEMP_FILE_NAME "%sJPG%03d.TMP"
-#endif
-
-LOCAL void
-select_file_name (char * fname)
-{
- FILE * tfile;
-
- /* Keep generating file names till we find one that's not in use */
- for (;;) {
- next_file_num++; /* advance counter */
- sprintf(fname, TEMP_FILE_NAME, TEMP_DIRECTORY, next_file_num);
- if ((tfile = fopen(fname, READ_BINARY)) == NULL)
- break;
- fclose(tfile); /* oops, it's there; close tfile & try again */
- }
-}
-
-#else /* ! NO_MKTEMP */
-
-/* Note that mktemp() requires the initial filename to end in six X's */
-#ifndef TEMP_FILE_NAME /* can override from jconfig.h or Makefile */
-#define TEMP_FILE_NAME "%sJPG%dXXXXXX"
-#endif
-
-LOCAL void
-select_file_name (char * fname)
-{
- next_file_num++; /* advance counter */
- sprintf(fname, TEMP_FILE_NAME, TEMP_DIRECTORY, next_file_num);
- mktemp(fname); /* make sure file name is unique */
- /* mktemp replaces the trailing XXXXXX with a unique string of characters */
-}
-
-#endif /* NO_MKTEMP */
-
-
-/*
- * Memory allocation and freeing are controlled by the regular library
- * routines malloc() and free().
- */
-
-GLOBAL void *
-jpeg_get_small (j_common_ptr cinfo, size_t sizeofobject)
-{
- return (void *) malloc(sizeofobject);
-}
-
-GLOBAL void
-jpeg_free_small (j_common_ptr cinfo, void * object, size_t sizeofobject)
-{
- free(object);
-}
-
-
-/*
- * "Large" objects are treated the same as "small" ones.
- * NB: although we include FAR keywords in the routine declarations,
- * this file won't actually work in 80x86 small/medium model; at least,
- * you probably won't be able to process useful-size images in only 64KB.
- */
-
-GLOBAL void FAR *
-jpeg_get_large (j_common_ptr cinfo, size_t sizeofobject)
-{
- return (void FAR *) malloc(sizeofobject);
-}
-
-GLOBAL void
-jpeg_free_large (j_common_ptr cinfo, void FAR * object, size_t sizeofobject)
-{
- free(object);
-}
-
-
-/*
- * This routine computes the total memory space available for allocation.
- * It's impossible to do this in a portable way; our current solution is
- * to make the user tell us (with a default value set at compile time).
- * If you can actually get the available space, it's a good idea to subtract
- * a slop factor of 5% or so.
- */
-
-#ifndef DEFAULT_MAX_MEM /* so can override from makefile */
-#define DEFAULT_MAX_MEM 1000000L /* default: one megabyte */
-#endif
-
-GLOBAL long
-jpeg_mem_available (j_common_ptr cinfo, long min_bytes_needed,
- long max_bytes_needed, long already_allocated)
-{
- return cinfo->mem->max_memory_to_use - already_allocated;
-}
-
-
-/*
- * Backing store (temporary file) management.
- * Backing store objects are only used when the value returned by
- * jpeg_mem_available is less than the total space needed. You can dispense
- * with these routines if you have plenty of virtual memory; see jmemnobs.c.
- */
-
-
-METHODDEF void
-read_backing_store (j_common_ptr cinfo, backing_store_ptr info,
- void FAR * buffer_address,
- long file_offset, long byte_count)
-{
- if (fseek(info->temp_file, file_offset, SEEK_SET))
- ERREXIT(cinfo, JERR_TFILE_SEEK);
- if (JFREAD(info->temp_file, buffer_address, byte_count)
- != (size_t) byte_count)
- ERREXIT(cinfo, JERR_TFILE_READ);
-}
-
-
-METHODDEF void
-write_backing_store (j_common_ptr cinfo, backing_store_ptr info,
- void FAR * buffer_address,
- long file_offset, long byte_count)
-{
- if (fseek(info->temp_file, file_offset, SEEK_SET))
- ERREXIT(cinfo, JERR_TFILE_SEEK);
- if (JFWRITE(info->temp_file, buffer_address, byte_count)
- != (size_t) byte_count)
- ERREXIT(cinfo, JERR_TFILE_WRITE);
-}
-
-
-METHODDEF void
-close_backing_store (j_common_ptr cinfo, backing_store_ptr info)
-{
- fclose(info->temp_file); /* close the file */
- unlink(info->temp_name); /* delete the file */
-/* If your system doesn't have unlink(), use remove() instead.
- * remove() is the ANSI-standard name for this function, but if
- * your system was ANSI you'd be using jmemansi.c, right?
- */
- TRACEMSS(cinfo, 1, JTRC_TFILE_CLOSE, info->temp_name);
-}
-
-
-/*
- * Initial opening of a backing-store object.
- */
-
-GLOBAL void
-jpeg_open_backing_store (j_common_ptr cinfo, backing_store_ptr info,
- long total_bytes_needed)
-{
- select_file_name(info->temp_name);
- if ((info->temp_file = fopen(info->temp_name, RW_BINARY)) == NULL)
- ERREXITS(cinfo, JERR_TFILE_CREATE, info->temp_name);
- info->read_backing_store = read_backing_store;
- info->write_backing_store = write_backing_store;
- info->close_backing_store = close_backing_store;
- TRACEMSS(cinfo, 1, JTRC_TFILE_OPEN, info->temp_name);
-}
-
-
-/*
- * These routines take care of any system-dependent initialization and
- * cleanup required.
- */
-
-GLOBAL long
-jpeg_mem_init (j_common_ptr cinfo)
-{
- next_file_num = 0; /* initialize temp file name generator */
- return DEFAULT_MAX_MEM; /* default for max_memory_to_use */
-}
-
-GLOBAL void
-jpeg_mem_term (j_common_ptr cinfo)
-{
- /* no work */
-}
diff --git a/jpeg/jmorecfg.h b/jpeg/jmorecfg.h
index d609d90e28..e7a1a0d2bf 100644
--- a/jpeg/jmorecfg.h
+++ b/jpeg/jmorecfg.h
@@ -207,14 +207,16 @@ typedef unsigned int JDIMENSION;
* Defining HAVE_BOOLEAN before including jpeglib.h should make it work.
*/
-#ifndef WIN32
+//#ifndef WIN32 //geuz
#ifndef HAVE_BOOLEAN
typedef int boolean;
#endif
-#endif
+//#endif //geuz
+
#ifndef FALSE /* in case these macros already exist */
#define FALSE 0 /* values of boolean */
#endif
+
#ifndef TRUE
#define TRUE 1
#endif
diff --git a/jpeg/libjpeg.doc b/jpeg/libjpeg.doc
deleted file mode 100644
index 83067d1e89..0000000000
--- a/jpeg/libjpeg.doc
+++ /dev/null
@@ -1,2144 +0,0 @@
-USING THE IJG JPEG LIBRARY
-
-Copyright (C) 1994, Thomas G. Lane.
-This file is part of the Independent JPEG Group's software.
-For conditions of distribution and use, see the accompanying README file.
-
-
-This file describes how to use the IJG JPEG library within an application
-program. Read it if you want to write a program that uses the library.
-
-The file example.c provides heavily commented skeleton code for calling the
-JPEG library. Also see jpeglib.h (the include file to be used by application
-programs) for full details about data structures and function parameter lists.
-The library source code, of course, is the ultimate reference.
-
-Note that there have been *major* changes from the application interface
-presented by IJG version 4 and earlier versions. The old design had several
-inherent limitations, and it had accumulated a lot of cruft as we added
-features while trying to minimize application-interface changes. We have
-sacrificed backward compatibility in the version 5 rewrite, but we think the
-improvements justify this.
-
-
-TABLE OF CONTENTS
------------------
-
-Overview:
- Functions provided by the library
- Outline of typical usage
-Basic library usage:
- Data formats
- Compression details
- Decompression details
- Mechanics of usage: include files, linking, etc
-Advanced features:
- Compression parameter selection
- Decompression parameter selection
- Special color spaces
- Error handling
- Compressed data handling (source and destination managers)
- I/O suspension
- Abbreviated datastreams and multiple images
- Special markers
- Raw (downsampled) image data
- Progress monitoring
- Memory management
- Library compile-time options
- Portability considerations
- Notes for MS-DOS implementors
-
-You should read at least the overview and basic usage sections before trying
-to program with the library. The sections on advanced features can be read
-if and when you need them.
-
-
-OVERVIEW
-========
-
-Functions provided by the library
----------------------------------
-
-The IJG JPEG library provides C code to read and write JPEG-compressed image
-files. The surrounding application program receives or supplies image data a
-scanline at a time, using a straightforward uncompressed image format. All
-details of color conversion and other preprocessing/postprocessing can be
-handled by the library.
-
-The library includes a substantial amount of code that is not covered by the
-JPEG standard but is necessary for typical applications of JPEG. These
-functions preprocess the image before JPEG compression or postprocess it after
-decompression. They include colorspace conversion, downsampling/upsampling,
-and color quantization. The application indirectly selects use of this code
-by specifying the format in which it wishes to supply or receive image data.
-For example, if colormapped output is requested, then the decompression
-library automatically invokes color quantization.
-
-A wide range of quality vs. speed tradeoffs are possible in JPEG processing,
-and even more so in decompression postprocessing. The decompression library
-provides multiple implementations that cover most of the useful tradeoffs,
-ranging from very-high-quality down to fast-preview operation. On the
-compression side we have generally not provided low-quality choices, since
-compression is normally less time-critical. It should be understood that the
-low-quality modes may not meet the JPEG standard's accuracy requirements;
-nonetheless, they are useful for viewers.
-
-A word about functions *not* provided by the library. We handle a subset of
-the ISO JPEG standard; most baseline and extended-sequential JPEG processes
-are supported. (Our subset includes all features now in common use.)
-Unsupported ISO options include:
- * Progressive storage (may be supported in future versions)
- * Hierarchical storage
- * Lossless JPEG
- * Arithmetic entropy coding (unsupported for legal reasons)
- * DNL marker
- * Nonintegral subsampling ratios
-We support both 8- and 12-bit data precision, but this is a compile-time
-choice rather than a run-time choice; hence it is difficult to use both
-precisions in a single application.
-
-By itself, the library handles only interchange JPEG datastreams --- in
-particular the widely used JFIF file format. The library can be used by
-surrounding code to process interchange or abbreviated JPEG datastreams that
-are embedded in more complex file formats. (For example, we anticipate that
-Sam Leffler's LIBTIFF library will use this code to support the revised TIFF
-JPEG format.)
-
-
-Outline of typical usage
-------------------------
-
-The rough outline of a JPEG compression operation is:
-
- Allocate and initialize a JPEG compression object
- Specify the destination for the compressed data (eg, a file)
- Set parameters for compression, including image size & colorspace
- jpeg_start_compress(...);
- while (scan lines remain to be written)
- jpeg_write_scanlines(...);
- jpeg_finish_compress(...);
- Release the JPEG compression object
-
-A JPEG compression object holds parameters and working state for the JPEG
-library. We make creation/destruction of the object separate from starting
-or finishing compression of an image; the same object can be re-used for a
-series of image compression operations. This makes it easy to re-use the
-same parameter settings for a sequence of images. Re-use of a JPEG object
-also has important implications for processing abbreviated JPEG datastreams,
-as discussed later.
-
-The image data to be compressed is supplied to jpeg_write_scanlines() from
-in-memory buffers. If the application is doing file-to-file compression,
-reading image data from the source file is the application's responsibility.
-The library emits compressed data by calling a "data destination manager",
-which typically will write the data into a file; but the application can
-provide its own destination manager to do something else.
-
-Similarly, the rough outline of a JPEG decompression operation is:
-
- Allocate and initialize a JPEG decompression object
- Specify the source of the compressed data (eg, a file)
- Call jpeg_read_header() to obtain image info
- Set parameters for decompression
- jpeg_start_decompress(...);
- while (scan lines remain to be read)
- jpeg_read_scanlines(...);
- jpeg_finish_decompress(...);
- Release the JPEG decompression object
-
-This is comparable to the compression outline except that reading the
-datastream header is a separate step. This is helpful because information
-about the image's size, colorspace, etc is available when the application
-selects decompression parameters. For example, the application can choose an
-output scaling ratio that will fit the image into the available screen size.
-
-The decompression library obtains compressed data by calling a data source
-manager, which typically will read the data from a file; but other behaviors
-can be obtained with a custom source manager. Decompressed data is delivered
-into in-memory buffers passed to jpeg_read_scanlines().
-
-It is possible to abort an incomplete compression or decompression operation
-by calling jpeg_abort(); or, if you do not need to retain the JPEG object,
-simply release it by calling jpeg_destroy().
-
-JPEG compression and decompression objects are two separate struct types.
-However, they share some common fields, and certain routines such as
-jpeg_destroy() can work on either type of object.
-
-The JPEG library has no static variables: all state is in the compression
-or decompression object. Therefore it is possible to process multiple
-compression and decompression operations concurrently, using multiple JPEG
-objects.
-
-Both compression and decompression can be done in an incremental memory-to-
-memory fashion, if suitable source/destination managers are used. However,
-there are some restrictions on the processing that can be done in this mode.
-See the section on "I/O suspension" for more details.
-
-
-BASIC LIBRARY USAGE
-===================
-
-Data formats
-------------
-
-Before diving into procedural details, it is helpful to understand the
-image data format that the JPEG library expects or returns.
-
-The standard input image format is a rectangular array of pixels, with each
-pixel having the same number of "component" values (color channels). You
-must specify how many components there are and the colorspace interpretation
-of the components. Most applications will use RGB data (three components
-per pixel) or grayscale data (one component per pixel).
-
-Note that there is no provision for colormapped input. You can feed in a
-colormapped image by expanding it to full-color format. However JPEG often
-doesn't work very well with colormapped source data, because of dithering
-noise. This is discussed in more detail in the JPEG FAQ and the other
-references mentioned in the README file.
-
-Pixels are stored by scanlines, with each scanline running from left to
-right. The component values for each pixel are adjacent in the row; for
-example, R,G,B,R,G,B,R,G,B,... for 24-bit RGB color. Each scanline is an
-array of data type JSAMPLE --- which is typically "unsigned char", unless
-you've changed jmorecfg.h. (You can also change the RGB pixel layout, say
-to B,G,R order, by modifying jmorecfg.h. But see the restrictions listed in
-that file before doing so.)
-
-A 2-D array of pixels is formed by making a list of pointers to the starts of
-scanlines; so the scanlines need not be physically adjacent in memory. Even
-if you process just one scanline at a time, you must make a one-element
-pointer array to serve this purpose. Pointers to JSAMPLE rows are of type
-JSAMPROW, and the pointer to the pointer array is of type JSAMPARRAY.
-
-The library accepts or supplies one or more complete scanlines per call.
-It is not possible to process part of a row at a time. Scanlines are always
-processed top-to-bottom. You can process an entire image in one call if you
-have it all in memory, but usually it's simplest to process one scanline at
-a time.
-
-For best results, source data values should have the precision specified by
-BITS_IN_JSAMPLE (normally 8 bits). For instance, if you choose to compress
-data that's only 6 bits/channel, you should left-justify each value in a
-byte before passing it to the compressor. If you need to compress data
-that has more than 8 bits/channel, compile with BITS_IN_JSAMPLE = 12.
-(See "Library compile-time options", later.)
-
-The data format returned by the decompressor is the same in all details,
-except that colormapped data is supported. If you request colormapped
-output then the returned data array contains a single JSAMPLE per pixel;
-its value is an index into a color map. The color map is represented as
-a 2-D JSAMPARRAY in which each row holds the values of one color component,
-that is, colormap[i][j] is the value of the i'th color component for pixel
-value (map index) j. Note that since the colormap indexes are stored in
-JSAMPLEs, the maximum number of colors is limited by the size of JSAMPLE
-(ie, at most 256 colors for an 8-bit JPEG library).
-
-
-Compression details
--------------------
-
-Here we revisit the JPEG compression outline given in the overview.
-
-1. Allocate and initialize a JPEG compression object.
-
-A JPEG compression object is a "struct jpeg_compress_struct" (plus a bunch of
-subsidiary structures which are allocated via malloc(), but the application
-doesn't control those directly). This struct can be just a local variable in
-the calling routine, if a single routine is going to execute the whole JPEG
-compression sequence. Otherwise it can be static or allocated from malloc().
-
-You will also need a structure representing a JPEG error handler. The part
-of this that the library cares about is a "struct jpeg_error_mgr". If you
-are providing your own error handler, you'll typically want to embed the
-jpeg_error_mgr struct in a larger structure; this is discussed later under
-"Error handling". For now we'll assume you are just using the default error
-handler. The default error handler will print JPEG error/warning messages
-on stderr, and it will call exit() if a fatal error occurs.
-
-You must initialize the error handler structure, store a pointer to it into
-the JPEG object's "err" field, and then call jpeg_create_compress() to
-initialize the rest of the JPEG object.
-
-Typical code for this step, if you are using the default error handler, is
-
- struct jpeg_compress_struct cinfo;
- struct jpeg_error_mgr jerr;
- ...
- cinfo.err = jpeg_std_error(&jerr);
- jpeg_create_compress(&cinfo);
-
-jpeg_create_compress allocates a small amount of memory, so it could fail
-if you are out of memory. In that case it will exit via the error handler;
-that's why the error handler must be initialized first.
-
-
-2. Specify the destination for the compressed data (eg, a file).
-
-As previously mentioned, the JPEG library delivers compressed data to a
-"data destination" module. The library includes one data destination
-module which knows how to write to a stdio stream. You can use your own
-destination module if you want to do something else, as discussed later.
-
-If you use the standard destination module, you must open the target stdio
-stream beforehand. Typical code for this step looks like:
-
- FILE * outfile;
- ...
- if ((outfile = fopen(filename, "wb")) == NULL) {
- fprintf(stderr, "can't open %s\n", filename);
- exit(1);
- }
- jpeg_stdio_dest(&cinfo, outfile);
-
-where the last line invokes the standard destination module.
-
-WARNING: it is critical that the binary compressed data be delivered to the
-output file unchanged. On non-Unix systems the stdio library may perform
-newline translation or otherwise corrupt binary data. To suppress this
-behavior, you may need to use a "b" option to fopen (as shown above), or use
-setmode() or another routine to put the stdio stream in binary mode. See
-cjpeg.c and djpeg.c for code that has been found to work on many systems.
-
-You can select the data destination after setting other parameters (step 3),
-if that's more convenient. You may not change the destination between
-calling jpeg_start_compress() and jpeg_finish_compress().
-
-
-3. Set parameters for compression, including image size & colorspace.
-
-You must supply information about the source image by setting the following
-fields in the JPEG object (cinfo structure):
-
- image_width Width of image, in pixels
- image_height Height of image, in pixels
- input_components Number of color channels (samples per pixel)
- in_color_space Color space of source image
-
-The image dimensions are, hopefully, obvious. JPEG supports image dimensions
-of 1 to 64K pixels in either direction. The input color space is typically
-RGB or grayscale, and input_components is 3 or 1 accordingly. (See "Special
-color spaces", later, for more info.) The in_color_space field must be
-assigned one of the J_COLOR_SPACE enum constants, typically JCS_RGB or
-JCS_GRAYSCALE.
-
-JPEG has a large number of compression parameters that determine how the
-image is encoded. Most applications don't need or want to know about all
-these parameters. You can set all the parameters to reasonable defaults by
-calling jpeg_set_defaults(); then, if there are particular values you want
-to change, you can do so after that. The "Compression parameter selection"
-section tells about all the parameters.
-
-You must set in_color_space correctly before calling jpeg_set_defaults(),
-because the defaults depend on the source image colorspace. However the
-other three source image parameters need not be valid until you call
-jpeg_start_compress(). There's no harm in calling jpeg_set_defaults() more
-than once, if that happens to be convenient.
-
-Typical code for a 24-bit RGB source image is
-
- cinfo.image_width = Width; /* image width and height, in pixels */
- cinfo.image_height = Height;
- cinfo.input_components = 3; /* # of color components per pixel */
- cinfo.in_color_space = JCS_RGB; /* colorspace of input image */
-
- jpeg_set_defaults(&cinfo);
- /* Make optional parameter settings here */
-
-
-4. jpeg_start_compress(...);
-
-After you have established the data destination and set all the necessary
-source image info and other parameters, call jpeg_start_compress() to begin
-a compression cycle. This will initialize internal state, allocate working
-storage, and emit the first few bytes of the JPEG datastream header.
-
-Typical code:
-
- jpeg_start_compress(&cinfo, TRUE);
-
-The "TRUE" parameter ensures that a complete JPEG interchange datastream
-will be written. This is appropriate in most cases. If you think you might
-want to use an abbreviated datastream, read the section on abbreviated
-datastreams, below.
-
-Once you have called jpeg_start_compress(), you may not alter any JPEG
-parameters or other fields of the JPEG object until you have completed
-the compression cycle.
-
-
-5. while (scan lines remain to be written)
- jpeg_write_scanlines(...);
-
-Now write all the required image data by calling jpeg_write_scanlines()
-one or more times. You can pass one or more scanlines in each call, up
-to the total image height. In most applications it is convenient to pass
-just one or a few scanlines at a time. The expected format for the passed
-data is discussed under "Data formats", above.
-
-Image data should be written in top-to-bottom scanline order. The JPEG spec
-contains some weasel wording about how top and bottom are application-defined
-terms (a curious interpretation of the English language...) but if you want
-your files to be compatible with everyone else's, you WILL use top-to-bottom
-order. If the source data must be read in bottom-to-top order, you can use
-the JPEG library's virtual array mechanism to invert the data efficiently.
-Examples of this can be found in the sample application cjpeg.
-
-The library maintains a count of the number of scanlines written so far
-in the next_scanline field of the JPEG object. Usually you can just use
-this variable as the loop counter, so that the loop test looks like
-"while (cinfo.next_scanline < cinfo.image_height)".
-
-Code for this step depends heavily on the way that you store the source data.
-example.c shows the following code for the case of a full-size 2-D source
-array containing 3-byte RGB pixels:
-
- JSAMPROW row_pointer[1]; /* pointer to a single row */
- int row_stride; /* physical row width in buffer */
-
- row_stride = image_width * 3; /* JSAMPLEs per row in image_buffer */
-
- while (cinfo.next_scanline < cinfo.image_height) {
- row_pointer[0] = & image_buffer[cinfo.next_scanline * row_stride];
- jpeg_write_scanlines(&cinfo, row_pointer, 1);
- }
-
-jpeg_write_scanlines() returns the number of scanlines actually written.
-This will normally be equal to the number passed in, so you can usually
-ignore the return value. It is different in just two cases:
- * If you try to write more scanlines than the declared image height,
- the additional scanlines are ignored.
- * If you use a suspending data destination manager, output buffer overrun
- will cause the compressor to return before accepting all the passed lines.
- This feature is discussed under "I/O suspension", below. The normal
- stdio destination manager will NOT cause this to happen.
-In any case, the return value is the same as the change in the value of
-next_scanline.
-
-
-6. jpeg_finish_compress(...);
-
-After all the image data has been written, call jpeg_finish_compress() to
-complete the compression cycle. This step is ESSENTIAL to ensure that the
-last bufferload of data is written to the data destination.
-jpeg_finish_compress() also releases working memory associated with the JPEG
-object.
-
-Typical code:
-
- jpeg_finish_compress(&cinfo);
-
-If using the stdio destination manager, don't forget to close the output
-stdio stream if necessary.
-
-If you have requested a multi-pass operating mode, such as Huffman code
-optimization, jpeg_finish_compress() will perform the additional passes using
-data buffered by the first pass. In this case jpeg_finish_compress() may take
-quite a while to complete. With the default compression parameters, this will
-not happen.
-
-It is an error to call jpeg_finish_compress() before writing the necessary
-total number of scanlines. If you wish to abort compression, call
-jpeg_abort() as discussed below.
-
-After completing a compression cycle, you may dispose of the JPEG object
-as discussed next, or you may use it to compress another image. In that case
-return to step 2, 3, or 4 as appropriate. If you do not change the
-destination manager, the new datastream will be written to the same target.
-If you do not change any JPEG parameters, the new datastream will be written
-with the same parameters as before. Note that you can change the input image
-dimensions freely between cycles, but if you change the input colorspace, you
-should call jpeg_set_defaults() to adjust for the new colorspace; and then
-you'll need to repeat all of step 3.
-
-
-7. Release the JPEG compression object.
-
-When you are done with a JPEG compression object, destroy it by calling
-jpeg_destroy_compress(). This will free all subsidiary memory. Or you can
-call jpeg_destroy() which works for either compression or decompression
-objects --- this may be more convenient if you are sharing code between
-compression and decompression cases. (Actually, these routines are equivalent
-except for the declared type of the passed pointer. To avoid gripes from
-ANSI C compilers, pass a j_common_ptr to jpeg_destroy().)
-
-If you allocated the jpeg_compress_struct structure from malloc(), freeing
-it is your responsibility --- jpeg_destroy() won't. Ditto for the error
-handler structure.
-
-Typical code:
-
- jpeg_destroy_compress(&cinfo);
-
-
-8. Aborting.
-
-If you decide to abort a compression cycle before finishing, you can clean up
-in either of two ways:
-
-* If you don't need the JPEG object any more, just call
- jpeg_destroy_compress() or jpeg_destroy() to release memory. This is
- legitimate at any point after calling jpeg_create_compress() --- in fact,
- it's safe even if jpeg_create_compress() fails.
-
-* If you want to re-use the JPEG object, call jpeg_abort_compress(), or
- jpeg_abort() which works on both compression and decompression objects.
- This will return the object to an idle state, releasing any working memory.
- jpeg_abort() is allowed at any time after successful object creation.
-
-Note that cleaning up the data destination, if required, is your
-responsibility.
-
-
-Decompression details
----------------------
-
-Here we revisit the JPEG decompression outline given in the overview.
-
-1. Allocate and initialize a JPEG decompression object.
-
-This is just like initialization for compression, as discussed above,
-except that the object is a "struct jpeg_decompress_struct" and you
-call jpeg_create_decompress(). Error handling is exactly the same.
-
-Typical code:
-
- struct jpeg_decompress_struct cinfo;
- struct jpeg_error_mgr jerr;
- ...
- cinfo.err = jpeg_std_error(&jerr);
- jpeg_create_decompress(&cinfo);
-
-(Both here and in the IJG code, we usually use variable name "cinfo" for
-both compression and decompression objects.)
-
-
-2. Specify the source of the compressed data (eg, a file).
-
-As previously mentioned, the JPEG library reads compressed data from a "data
-source" module. The library includes one data source module which knows how
-to read from a stdio stream. You can use your own source module if you want
-to do something else, as discussed later.
-
-If you use the standard source module, you must open the source stdio stream
-beforehand. Typical code for this step looks like:
-
- FILE * infile;
- ...
- if ((infile = fopen(filename, "rb")) == NULL) {
- fprintf(stderr, "can't open %s\n", filename);
- exit(1);
- }
- jpeg_stdio_src(&cinfo, infile);
-
-where the last line invokes the standard source module.
-
-WARNING: it is critical that the binary compressed data be read unchanged.
-On non-Unix systems the stdio library may perform newline translation or
-otherwise corrupt binary data. To suppress this behavior, you may need to use
-a "b" option to fopen (as shown above), or use setmode() or another routine to
-put the stdio stream in binary mode. See cjpeg.c and djpeg.c for code that
-has been found to work on many systems.
-
-You may not change the data source between calling jpeg_read_header() and
-jpeg_finish_decompress(). If you wish to read a series of JPEG images from
-a single source file, you should repeat the jpeg_read_header() to
-jpeg_finish_decompress() sequence without reinitializing either the JPEG
-object or the data source module; this prevents buffered input data from
-being discarded.
-
-
-3. Call jpeg_read_header() to obtain image info.
-
-Typical code for this step is just
-
- jpeg_read_header(&cinfo, TRUE);
-
-This will read the source datastream header markers, up to the beginning
-of the compressed data proper. On return, the image dimensions and other
-info have been stored in the JPEG object. The application may wish to
-consult this information before selecting decompression parameters.
-
-More complex code is necessary if
- * A suspending data source is used --- in that case jpeg_read_header()
- may return before it has read all the header data. See "I/O suspension",
- below. The normal stdio source manager will NOT cause this to happen.
- * Abbreviated JPEG files are to be processed --- see the section on
- abbreviated datastreams. Standard applications that deal only in
- interchange JPEG files need not be concerned with this case either.
-
-It is permissible to stop at this point if you just wanted to find out the
-image dimensions and other header info for a JPEG file. In that case,
-call jpeg_destroy() when you are done with the JPEG object, or call
-jpeg_abort() to return it to an idle state before selecting a new data
-source and reading another header.
-
-
-4. Set parameters for decompression.
-
-jpeg_read_header() sets appropriate default decompression parameters based on
-the properties of the image (in particular, its colorspace). However, you
-may well want to alter these defaults before beginning the decompression.
-For example, the default is to produce full color output from a color file.
-If you want colormapped output you must ask for it. Other options allow the
-returned image to be scaled and allow various speed/quality tradeoffs to be
-selected. "Decompression parameter selection", below, gives details.
-
-If the defaults are appropriate, nothing need be done at this step.
-
-Note that all default values are set by each call to jpeg_read_header().
-If you reuse a decompression object, you cannot expect your parameter
-settings to be preserved across cycles, as you can for compression.
-You must adjust parameter values each time.
-
-
-5. jpeg_start_decompress(...);
-
-Once the parameter values are satisfactory, call jpeg_start_decompress() to
-begin decompression. This will initialize internal state, allocate working
-memory, and prepare for returning data.
-
-Typical code is just
-
- jpeg_start_decompress(&cinfo);
-
-If you have requested a multi-pass operating mode, such as 2-pass color
-quantization, jpeg_start_decompress() will do everything needed before data
-output can begin. In this case jpeg_start_decompress() may take quite a while
-to complete. With a single-scan (fully interleaved) JPEG file and default
-decompression parameters, this will not happen; jpeg_start_decompress() will
-return quickly.
-
-After this call, the final output image dimensions, including any requested
-scaling, are available in the JPEG object; so is the selected colormap, if
-colormapped output has been requested. Useful fields include
-
- output_width image width and height, as scaled
- output_height
- out_color_components # of color components in out_color_space
- output_components # of color components returned per pixel
- colormap the selected colormap, if any
- actual_number_of_colors number of entries in colormap
-
-output_components is 1 (a colormap index) when quantizing colors; otherwise it
-equals out_color_components. It is the number of JSAMPLE values that will be
-emitted per pixel in the output arrays.
-
-Typically you will need to allocate data buffers to hold the incoming image.
-You will need output_width * output_components JSAMPLEs per scanline in your
-output buffer, and a total of output_height scanlines will be returned.
-
-Note: if you are using the JPEG library's internal memory manager to allocate
-data buffers (as djpeg does), then the manager's protocol requires that you
-request large buffers *before* calling jpeg_start_decompress(). This is a
-little tricky since the output_XXX fields are not normally valid then. You
-can make them valid by calling jpeg_calc_output_dimensions() after setting the
-relevant parameters (scaling, output color space, and quantization flag).
-
-
-6. while (scan lines remain to be read)
- jpeg_read_scanlines(...);
-
-Now you can read the decompressed image data by calling jpeg_read_scanlines()
-one or more times. At each call, you pass in the maximum number of scanlines
-to be read (ie, the height of your working buffer); jpeg_read_scanlines()
-will return up to that many lines. The return value is the number of lines
-actually read. The format of the returned data is discussed under "Data
-formats", above.
-
-Image data is returned in top-to-bottom scanline order. If you must write
-out the image in bottom-to-top order, you can use the JPEG library's virtual
-array mechanism to invert the data efficiently. Examples of this can be
-found in the sample application djpeg.
-
-The library maintains a count of the number of scanlines returned so far
-in the output_scanline field of the JPEG object. Usually you can just use
-this variable as the loop counter, so that the loop test looks like
-"while (cinfo.output_scanline < cinfo.output_height)". (Note that the test
-should NOT be against image_height, unless you never use scaling. The
-image_height field is the height of the original unscaled image.)
-
-If you don't use a suspending data source, it is safe to assume that
-jpeg_read_scanlines() reads at least one scanline per call, until the
-bottom of the image has been reached. If you use a buffer larger than one
-scanline, it is NOT safe to assume that jpeg_read_scanlines() fills it.
-In any case, the return value is the same as the change in the value of
-output_scanline.
-
-
-7. jpeg_finish_decompress(...);
-
-After all the image data has been read, call jpeg_finish_decompress() to
-complete the decompression cycle. This causes working memory associated
-with the JPEG object to be released.
-
-Typical code:
-
- jpeg_finish_decompress(&cinfo);
-
-If using the stdio source manager, don't forget to close the source stdio
-stream if necessary.
-
-It is an error to call jpeg_finish_decompress() before reading the correct
-total number of scanlines. If you wish to abort compression, call
-jpeg_abort() as discussed below.
-
-After completing a decompression cycle, you may dispose of the JPEG object as
-discussed next, or you may use it to decompress another image. In that case
-return to step 2 or 3 as appropriate. If you do not change the source
-manager, the next image will be read from the same source.
-
-
-8. Release the JPEG decompression object.
-
-When you are done with a JPEG decompression object, destroy it by calling
-jpeg_destroy_decompress() or jpeg_destroy(). The previous discussion of
-destroying compression objects applies here too.
-
-Typical code:
-
- jpeg_destroy_decompress(&cinfo);
-
-
-9. Aborting.
-
-You can abort a decompression cycle by calling jpeg_destroy_decompress() or
-jpeg_destroy() if you don't need the JPEG object any more, or
-jpeg_abort_decompress() or jpeg_abort() if you want to reuse the object.
-The previous discussion of aborting compression cycles applies here too.
-
-
-Mechanics of usage: include files, linking, etc
------------------------------------------------
-
-Applications using the JPEG library should include the header file jpeglib.h
-to obtain declarations of data types and routines. Before including
-jpeglib.h, include system headers that define at least the typedefs FILE and
-size_t. On ANSI-conforming systems, including <stdio.h> is sufficient; on
-older Unix systems, you may need <sys/types.h> to define size_t.
-
-If the application needs to refer to individual JPEG library error codes, also
-include jerror.h to define those symbols.
-
-jpeglib.h indirectly includes the files jconfig.h and jmorecfg.h. If you are
-installing the JPEG header files in a system directory, you will want to
-install all four files: jpeglib.h, jerror.h, jconfig.h, jmorecfg.h.
-
-The most convenient way to include the JPEG code into your executable program
-is to prepare a library file ("libjpeg.a", or a corresponding name on non-Unix
-machines) and reference it at your link step. If you use only half of the
-library (only compression or only decompression), only that much code will be
-included from the library, unless your linker is hopelessly brain-damaged.
-The supplied makefiles build libjpeg.a automatically (see install.doc).
-
-On some systems your application may need to set up a signal handler to ensure
-that temporary files are deleted if the program is interrupted. This is most
-critical if you are on MS-DOS and use the jmemdos.c memory manager back end;
-it will try to grab extended memory for temp files, and that space will NOT be
-freed automatically. See cjpeg.c or djpeg.c for an example signal handler.
-
-It may be worth pointing out that the core JPEG library does not actually
-require the stdio library: only the default source/destination managers and
-error handler need it. You can use the library in a stdio-less environment
-if you replace those modules and use jmemnobs.c (or another memory manager of
-your own devising). More info about the minimum system library requirements
-may be found in jinclude.h.
-
-
-ADVANCED FEATURES
-=================
-
-Compression parameter selection
--------------------------------
-
-This section describes all the optional parameters you can set for JPEG
-compression, as well as the "helper" routines provided to assist in this
-task. Proper setting of some parameters requires detailed understanding
-of the JPEG standard; if you don't know what a parameter is for, it's best
-not to mess with it! See REFERENCES in the README file for pointers to
-more info about JPEG.
-
-It's a good idea to call jpeg_set_defaults() first, even if you plan to set
-all the parameters; that way your code is more likely to work with future JPEG
-libraries that have additional parameters. For the same reason, we recommend
-you use a helper routine where one is provided, in preference to twiddling
-cinfo fields directly.
-
-The helper routines are:
-
-jpeg_set_defaults (j_compress_ptr cinfo)
- This routine sets all JPEG parameters to reasonable defaults, using
- only the input image's color space (field in_color_space, which must
- already be set in cinfo). Many applications will only need to use
- this routine and perhaps jpeg_set_quality().
-
-jpeg_set_colorspace (j_compress_ptr cinfo, J_COLOR_SPACE colorspace)
- Sets the JPEG file's colorspace (field jpeg_color_space) as specified,
- and sets other color-space-dependent parameters appropriately. See
- "Special color spaces", below, before using this. A large number of
- parameters, including all per-component parameters, are set by this
- routine; if you want to twiddle individual parameters you should call
- jpeg_set_colorspace() before rather than after.
-
-jpeg_default_colorspace (j_compress_ptr cinfo)
- Selects an appropriate JPEG colorspace based on cinfo->in_color_space,
- and calls jpeg_set_colorspace(). This is actually a subroutine of
- jpeg_set_defaults(). It's broken out in case you want to change
- just the colorspace-dependent JPEG parameters.
-
-jpeg_set_quality (j_compress_ptr cinfo, int quality, boolean force_baseline)
- Constructs JPEG quantization tables appropriate for the indicated
- quality setting. The quality value is expressed on the 0..100 scale
- recommended by IJG (cjpeg's "-quality" switch uses this routine).
- Note that the exact mapping from quality values to tables may change
- in future IJG releases as more is learned about DCT quantization.
- If the force_baseline parameter is TRUE, then the quantization table
- entries are constrained to the range 1..255 for full JPEG baseline
- compatibility. In the current implementation, this only makes a
- difference for quality settings below 25, and it effectively prevents
- very small/low quality files from being generated. The IJG decoder
- is capable of reading the non-baseline files generated at low quality
- settings when force_baseline is FALSE, but other decoders may not be.
-
-jpeg_set_linear_quality (j_compress_ptr cinfo, int scale_factor,
- boolean force_baseline)
- Same as jpeg_set_quality() except that the generated tables are the
- sample tables given in the JPEC spec section K.1, multiplied by the
- specified scale factor (which is expressed as a percentage; thus
- scale_factor = 100 reproduces the spec's tables). Note that larger
- scale factors give lower quality. This entry point is useful for
- conforming to the Adobe PostScript DCT conventions, but we do not
- recommend linear scaling as a user-visible quality scale otherwise.
- force_baseline again constrains the computed table entries to 1..255.
-
-int jpeg_quality_scaling (int quality)
- Converts a value on the IJG-recommended quality scale to a linear
- scaling percentage. Note that this routine may change or go away
- in future releases --- IJG may choose to adopt a scaling method that
- can't be expressed as a simple scalar multiplier, in which case the
- premise of this routine collapses. Caveat user.
-
-jpeg_add_quant_table (j_compress_ptr cinfo, int which_tbl,
- const unsigned int *basic_table,
- int scale_factor, boolean force_baseline));
- Allows an arbitrary quantization table to be created. which_tbl
- indicates which table slot to fill. basic_table points to an array
- of 64 unsigned ints given in JPEG zigzag order. These values are
- multiplied by scale_factor/100 and then clamped to the range 1..65535
- (or to 1..255 if force_baseline is TRUE).
-
-
-Compression parameters (cinfo fields) include:
-
-boolean optimize_coding
- TRUE causes the compressor to compute optimal Huffman coding tables
- for the image. This requires an extra pass over the data and
- therefore costs a good deal of space and time. The default is
- FALSE, which tells the compressor to use the supplied or default
- Huffman tables. In most cases optimal tables save only a few percent
- of file size compared to the default tables. Note that when this is
- TRUE, you need not supply Huffman tables at all, and any you do
- supply will be overwritten.
-
-int smoothing_factor
- If non-zero, the input image is smoothed; the value should be 1 for
- minimal smoothing to 100 for maximum smoothing. Consult jcsample.c
- for details of the smoothing algorithm. The default is zero.
-
-J_DCT_METHOD dct_method
- Selects the algorithm used for the DCT step. Choices are:
- JDCT_ISLOW: slow but accurate integer algorithm
- JDCT_IFAST: faster, less accurate integer method
- JDCT_FLOAT: floating-point method
- JDCT_DEFAULT: default method (normally JDCT_ISLOW)
- JDCT_FASTEST: fastest method (normally JDCT_IFAST)
- The floating-point method is the most accurate, but may give slightly
- different results on different machines due to varying roundoff
- behavior. The integer methods should give the same results on all
- machines. On machines with sufficiently fast FP hardware, the
- floating-point method may also be the fastest. The IFAST method is
- considerably less accurate than the other two; its use is not
- recommended if high quality is a concern. JDCT_DEFAULT and
- JDCT_FASTEST are macros configurable by each installation.
-
-unsigned int restart_interval
-int restart_in_rows
- To emit restart markers in the JPEG file, set one of these nonzero.
- Set restart_interval to specify the exact interval in MCU blocks.
- Set restart_in_rows to specify the interval in MCU rows. (If
- restart_in_rows is not 0, then restart_interval is set after the
- image width in MCUs is computed.) Defaults are zero (no restarts).
-
-J_COLOR_SPACE jpeg_color_space
-int num_components
- The JPEG color space and corresponding number of components; see
- "Special color spaces", below, for more info. We recommend using
- jpeg_set_color_space() if you want to change these.
-
-boolean write_JFIF_header
- If TRUE, a JFIF APP0 marker is emitted. jpeg_set_defaults() and
- jpeg_set_colorspace() set this TRUE if a JFIF-legal JPEG color space
- (ie, YCbCr or grayscale) is selected, otherwise FALSE.
-
-UINT8 density_unit
-UINT16 X_density
-UINT16 Y_density
- The resolution information to be written into the JFIF marker;
- not used otherwise. density_unit may be 0 for unknown,
- 1 for dots/inch, or 2 for dots/cm. The default values are 0,1,1
- indicating square pixels of unknown size.
-
-boolean write_Adobe_marker
- If TRUE, an Adobe APP14 marker is emitted. jpeg_set_defaults() and
- jpeg_set_colorspace() set this TRUE if JPEG color space RGB, CMYK,
- or YCCK is selected, otherwise FALSE. It is generally a bad idea
- to set both write_JFIF_header and write_Adobe_marker. In fact,
- you probably shouldn't change the default settings at all --- the
- default behavior ensures that the JPEG file's color space can be
- recognized by the decoder.
-
-JQUANT_TBL * quant_tbl_ptrs[NUM_QUANT_TBLS]
- Pointers to coefficient quantization tables, one per table slot,
- or NULL if no table is defined for a slot. Usually these should
- be set via one of the above helper routines; jpeg_add_quant_table()
- is general enough to define any quantization table. The other
- routines will set up table slot 0 for luminance quality and table
- slot 1 for chrominance.
-
-JHUFF_TBL * dc_huff_tbl_ptrs[NUM_HUFF_TBLS]
-JHUFF_TBL * ac_huff_tbl_ptrs[NUM_HUFF_TBLS]
- Pointers to Huffman coding tables, one per table slot, or NULL if
- no table is defined for a slot. Slots 0 and 1 are filled with the
- JPEG sample tables by jpeg_set_defaults(). If you need to allocate
- more table structures, jpeg_alloc_huff_table() may be used.
- Note that optimal Huffman tables can be computed for an image
- by setting optimize_coding, as discussed above; there's seldom
- any need to mess with providing your own Huffman tables.
-
-There are some additional cinfo fields which are not documented here
-because you currently can't change them; for example, you can't set
-arith_code TRUE because arithmetic coding is unsupported.
-
-
-Per-component parameters are stored in the struct cinfo.comp_info[i] for
-component number i. Note that components here refer to components of the
-JPEG color space, *not* the source image color space. A suitably large
-comp_info[] array is allocated by jpeg_set_defaults(); if you choose not
-to use that routine, it's up to you to allocate the array.
-
-int component_id
- The one-byte identifier code to be recorded in the JPEG file for
- this component. For the standard color spaces, we recommend you
- leave the default values alone.
-
-int h_samp_factor
-int v_samp_factor
- Horizontal and vertical sampling factors for the component; must
- be 1..4 according to the JPEG standard. Note that larger sampling
- factors indicate a higher-resolution component; many people find
- this behavior quite unintuitive. The default values are 2,2 for
- luminance components and 1,1 for chrominance components, except
- for grayscale where 1,1 is used.
-
-int quant_tbl_no
- Quantization table number for component. The default value is
- 0 for luminance components and 1 for chrominance components.
-
-int dc_tbl_no
-int ac_tbl_no
- DC and AC entropy coding table numbers. The default values are
- 0 for luminance components and 1 for chrominance components.
-
-int component_index
- Must equal the component's index in comp_info[].
-
-
-Decompression parameter selection
----------------------------------
-
-Decompression parameter selection is somewhat simpler than compression
-parameter selection, since all of the JPEG internal parameters are
-recorded in the source file and need not be supplied by the application.
-(Unless you are working with abbreviated files, in which case see
-"Abbreviated datastreams", below.) Decompression parameters control
-the postprocessing done on the image to deliver it in a format suitable
-for the application's use. Many of the parameters control speed/quality
-tradeoffs, in which faster decompression may be obtained at the price of
-a poorer-quality image. The defaults select the highest quality (slowest)
-processing.
-
-The following fields in the JPEG object are set by jpeg_read_header() and
-may be useful to the application in choosing decompression parameters:
-
-JDIMENSION image_width Width and height of image
-JDIMENSION image_height
-int num_components Number of color components
-J_COLOR_SPACE jpeg_color_space Colorspace of image
-boolean saw_JFIF_marker TRUE if a JFIF APP0 marker was seen
- UINT8 density_unit Resolution data from JFIF marker
- UINT16 X_density
- UINT16 Y_density
-boolean saw_Adobe_marker TRUE if an Adobe APP14 marker was seen
- UINT8 Adobe_transform Color transform code from Adobe marker
-
-The JPEG color space, unfortunately, is something of a guess since the JPEG
-standard proper does not provide a way to record it. In practice most files
-adhere to the JFIF or Adobe conventions, and the decoder will recognize these
-correctly. See "Special color spaces", below, for more info.
-
-
-The decompression parameters that determine the basic properties of the
-returned image are:
-
-J_COLOR_SPACE out_color_space
- Output color space. jpeg_read_header() sets an appropriate default
- based on jpeg_color_space; typically it will be RGB or grayscale.
- The application can change this field to request output in a different
- colorspace. For example, set it to JCS_GRAYSCALE to get grayscale
- output from a color file. (This is useful for previewing: grayscale
- output is faster than full color since the color components need not
- be processed.) Note that not all possible color space transforms are
- currently implemented; you may need to extend jdcolor.c if you want an
- unusual conversion.
-
-unsigned int scale_num, scale_denom
- Scale the image by the fraction scale_num/scale_denom. Default is
- 1/1, or no scaling. Currently, the only supported scaling ratios
- are 1/1, 1/2, 1/4, and 1/8. (The library design allows for arbitrary
- scaling ratios but this is not likely to be implemented any time soon.)
- Smaller scaling ratios permit significantly faster decoding since
- fewer pixels need be processed and a simpler IDCT method can be used.
-
-boolean quantize_colors
- If set TRUE, colormapped output will be delivered. Default is FALSE,
- meaning that full-color output will be delivered.
-
-The next three parameters are relevant only if quantize_colors is TRUE.
-
-int desired_number_of_colors
- Maximum number of colors to use in generating a library-supplied color
- map (the actual number of colors is returned in a different field).
- Default 256. Ignored when the application supplies its own color map.
-
-boolean two_pass_quantize
- If TRUE, an extra pass over the image is made to select a custom color
- map for the image. This usually looks a lot better than the one-size-
- fits-all colormap that is used otherwise. Default is TRUE. Ignored
- when the application supplies its own color map.
-
-J_DITHER_MODE dither_mode
- Selects color dithering method. Supported values are:
- JDITHER_NONE no dithering: fast, very low quality
- JDITHER_ORDERED ordered dither: moderate speed and quality
- JDITHER_FS Floyd-Steinberg dither: slow, high quality
- Default is JDITHER_FS. (At present, ordered dither is implemented
- only in the single-pass, standard-colormap case. If you ask for
- ordered dither when two_pass_quantize is TRUE or when you supply
- an external color map, you'll get F-S dithering.)
-
-When quantize_colors is TRUE, the target color map is described by the next
-two fields. colormap is set to NULL by jpeg_read_header(). The application
-can supply a color map by setting colormap non-NULL and setting
-actual_number_of_colors to the map size. Otherwise, jpeg_start_decompress()
-selects a suitable color map and sets these two fields itself.
-[Implementation restriction: at present, an externally supplied colormap is
-only accepted for 3-component output color spaces.]
-
-JSAMPARRAY colormap
- The color map, represented as a 2-D pixel array of out_color_components
- rows and actual_number_of_colors columns. Ignored if not quantizing.
-
-int actual_number_of_colors
- The number of colors in the color map.
-
-Additional decompression parameters that the application may set include:
-
-J_DCT_METHOD dct_method
- Selects the algorithm used for the DCT step. Choices are the same
- as described above for compression.
-
-boolean do_fancy_upsampling
- If TRUE, do careful upsampling of chroma components. If FALSE,
- a faster but sloppier method is used. Default is TRUE. The visual
- impact of the sloppier method is often very small.
-
-
-The output image dimensions are given by the following fields. These are
-computed from the source image dimensions and the decompression parameters
-by jpeg_start_decompress(). You can also call jpeg_calc_output_dimensions()
-to obtain the values that will result from the current parameter settings.
-This can be useful if you are trying to pick a scaling ratio that will get
-close to a desired target size. It's also important if you are using the
-JPEG library's memory manager to allocate output buffer space, because you
-are supposed to request such buffers *before* jpeg_start_decompress().
-
-JDIMENSION output_width Actual dimensions of output image.
-JDIMENSION output_height
-int out_color_components Number of color components in out_color_space.
-int output_components Number of color components returned.
-int rec_outbuf_height Recommended height of scanline buffer.
-
-When quantizing colors, output_components is 1, indicating a single color map
-index per pixel. Otherwise it equals out_color_components. The output arrays
-are required to be output_width * output_components JSAMPLEs wide.
-
-rec_outbuf_height is the recommended minimum height (in scanlines) of the
-buffer passed to jpeg_read_scanlines(). If the buffer is smaller, the
-library will still work, but time will be wasted due to unnecessary data
-copying. In high-quality modes, rec_outbuf_height is always 1, but some
-faster, lower-quality modes set it to larger values (typically 2 to 4).
-If you are going to ask for a high-speed processing mode, you may as well
-go to the trouble of honoring rec_outbuf_height so as to avoid data copying.
-
-
-Special color spaces
---------------------
-
-The JPEG standard itself is "color blind" and doesn't specify any particular
-color space. It is customary to convert color data to a luminance/chrominance
-color space before compressing, since this permits greater compression. The
-existing de-facto JPEG file format standards specify YCbCr or grayscale data
-(JFIF), or grayscale, RGB, YCbCr, CMYK, or YCCK (Adobe). For special
-applications such as multispectral images, other color spaces can be used,
-but it must be understood that such files will be unportable.
-
-The JPEG library can handle the most common colorspace conversions (namely
-RGB <=> YCbCr and CMYK <=> YCCK). It can also deal with data of an unknown
-color space, passing it through without conversion. If you deal extensively
-with an unusual color space, you can easily extend the library to understand
-additional color spaces and perform appropriate conversions.
-
-For compression, the source data's color space is specified by field
-in_color_space. This is transformed to the JPEG file's color space given
-by jpeg_color_space. jpeg_set_defaults() chooses a reasonable JPEG color
-space depending on in_color_space, but you can override this by calling
-jpeg_set_colorspace(). Of course you must select a supported transformation.
-jccolor.c currently supports the following transformations:
- RGB => YCbCr
- RGB => GRAYSCALE
- YCbCr => GRAYSCALE
- CMYK => YCCK
-plus the null transforms: GRAYSCALE => GRAYSCALE, RGB => RGB,
-YCbCr => YCbCr, CMYK => CMYK, YCCK => YCCK, and UNKNOWN => UNKNOWN.
-
-The de-facto file format standards (JFIF and Adobe) specify APPn markers that
-indicate the color space of the JPEG file. It is important to ensure that
-these are written correctly, or omitted if the JPEG file's color space is not
-one of the ones supported by the de-facto standards. jpeg_set_colorspace()
-will set the compression parameters to include or omit the APPn markers
-properly, so long as it is told the truth about the JPEG color space.
-For example, if you are writing some random 3-component color space without
-conversion, don't try to fake out the library by setting in_color_space and
-jpeg_color_space to JCS_YCbCr; use JCS_UNKNOWN. You may want to write an
-APPn marker of your own devising to identify the colorspace --- see "Special
-markers", below.
-
-When told that the color space is UNKNOWN, the library will default to using
-luminance-quality compression parameters for all color components. You may
-well want to change these parameters. See the source code for
-jpeg_set_colorspace(), in jcparam.c, for details.
-
-For decompression, the JPEG file's color space is given in jpeg_color_space,
-and this is transformed to the output color space out_color_space.
-jpeg_read_header's setting of jpeg_color_space can be relied on if the file
-conforms to JFIF or Adobe conventions, but otherwise it is no better than a
-guess. If you know the JPEG file's color space for certain, you can override
-jpeg_read_header's guess by setting jpeg_color_space. jpeg_read_header also
-selects a default output color space based on (its guess of) jpeg_color_space;
-set out_color_space to override this. Again, you must select a supported
-transformation. jdcolor.c currently supports
- YCbCr => GRAYSCALE
- YCbCr => RGB
- YCCK => CMYK
-as well as the null transforms.
-
-The two-pass color quantizer, jquant2.c, is specialized to handle RGB data
-(it weights distances appropriately for RGB colors). You'll need to modify
-the code if you want to use it for non-RGB output color spaces. Note that
-jquant2.c is used to map to an application-supplied colormap as well as for
-the normal two-pass colormap selection process.
-
-CAUTION: it appears that Adobe Photoshop writes inverted data in CMYK JPEG
-files: 0 represents 100% ink coverage, rather than 0% ink as you'd expect.
-This is arguably a bug in Photoshop, but if you need to work with Photoshop
-CMYK files, you will have to deal with it in your application. We cannot
-"fix" this in the library by inverting the data during the CMYK<=>YCCK
-transform, because that would break other applications, notably Ghostscript.
-Photoshop versions prior to 3.0 write EPS files containing JPEG-encoded CMYK
-data in the same inverted-YCCK representation used in bare JPEG files, but
-the surrounding PostScript code performs an inversion using the PS image
-operator. I am told that Photoshop 3.0 will write uninverted YCCK in
-EPS/JPEG files, and will omit the PS-level inversion. (But the data
-polarity used in bare JPEG files will not change in 3.0.) In either case,
-the JPEG library must not invert the data itself, or else Ghostscript would
-read these EPS files incorrectly.
-
-
-Error handling
---------------
-
-When the default error handler is used, any error detected inside the JPEG
-routines will cause a message to be printed on stderr, followed by exit().
-You can supply your own error handling routines to override this behavior
-and to control the treatment of nonfatal warnings and trace/debug messages.
-The file example.c illustrates the most common case, which is to have the
-application regain control after an error rather than exiting.
-
-The JPEG library never writes any message directly; it always goes through
-the error handling routines. Three classes of messages are recognized:
- * Fatal errors: the library cannot continue.
- * Warnings: the library can continue, but the data is corrupt, and a
- damaged output image is likely to result.
- * Trace/informational messages. These come with a trace level indicating
- the importance of the message; you can control the verbosity of the
- program by adjusting the maximum trace level that will be displayed.
-
-You may, if you wish, simply replace the entire JPEG error handling module
-(jerror.c) with your own code. However, you can avoid code duplication by
-only replacing some of the routines depending on the behavior you need.
-This is accomplished by calling jpeg_std_error() as usual, but then overriding
-some of the method pointers in the jpeg_error_mgr struct, as illustrated by
-example.c.
-
-All of the error handling routines will receive a pointer to the JPEG object
-(a j_common_ptr which points to either a jpeg_compress_struct or a
-jpeg_decompress_struct; if you need to tell which, test the is_decompressor
-field). This struct includes a pointer to the error manager struct in its
-"err" field. Frequently, custom error handler routines will need to access
-additional data which is not known to the JPEG library or the standard error
-handler. The most convenient way to do this is to embed either the JPEG
-object or the jpeg_error_mgr struct in a larger structure that contains
-additional fields; then casting the passed pointer provides access to the
-additional fields. Again, see example.c for one way to do it.
-
-The individual methods that you might wish to override are:
-
-error_exit (j_common_ptr cinfo)
- Receives control for a fatal error. Information sufficient to
- generate the error message has been stored in cinfo->err; call
- output_message to display it. Control must NOT return to the caller;
- generally this routine will exit() or longjmp() somewhere.
- Typically you would override this routine to get rid of the exit()
- default behavior. Note that if you continue processing, you should
- clean up the JPEG object with jpeg_abort() or jpeg_destroy().
-
-output_message (j_common_ptr cinfo)
- Actual output of any JPEG message. Override this to send messages
- somewhere other than stderr. Note that this method does not know
- how to generate a message, only where to send it.
-
-format_message (j_common_ptr cinfo, char * buffer)
- Constructs a readable error message string based on the error info
- stored in cinfo->err. This method is called by output_message. Few
- applications should need to override this method. One possible
- reason for doing so is to implement dynamic switching of error message
- language.
-
-emit_message (j_common_ptr cinfo, int msg_level)
- Decide whether or not to emit a warning or trace message; if so,
- calls output_message. The main reason for overriding this method
- would be to abort on warnings. msg_level is -1 for warnings,
- 0 and up for trace messages.
-
-Only error_exit() and emit_message() are called from the rest of the JPEG
-library; the other two are internal to the error handler.
-
-The actual message texts are stored in an array of strings which is pointed to
-by the field err->jpeg_message_table. The messages are numbered from 0 to
-err->last_jpeg_message, and it is these code numbers that are used in the
-JPEG library code. You could replace the message texts (for instance, with
-messages in French or German) by changing the message table pointer. See
-jerror.h for the default texts. CAUTION: this table will almost certainly
-change or grow from one library version to the next.
-
-It may be useful for an application to add its own message texts that are
-handled by the same mechanism. The error handler supports a second "add-on"
-message table for this purpose. To define an addon table, set the pointer
-err->addon_message_table and the message numbers err->first_addon_message and
-err->last_addon_message. If you number the addon messages beginning at 1000
-or so, you won't have to worry about conflicts with the library's built-in
-messages. See the sample applications cjpeg/djpeg for an example of using
-addon messages (the addon messages are defined in cderror.h).
-
-Actual invocation of the error handler is done via macros defined in jerror.h:
- ERREXITn(...) for fatal errors
- WARNMSn(...) for corrupt-data warnings
- TRACEMSn(...) for trace and informational messages.
-These macros store the message code and any additional parameters into the
-error handler struct, then invoke the error_exit() or emit_message() method.
-The variants of each macro are for varying numbers of additional parameters.
-The additional parameters are inserted into the generated message using
-standard printf() format codes.
-
-See jerror.h and jerror.c for further details.
-
-
-Compressed data handling (source and destination managers)
-----------------------------------------------------------
-
-The JPEG compression library sends its compressed data to a "destination
-manager" module. The default destination manager just writes the data to a
-stdio stream, but you can provide your own manager to do something else.
-Similarly, the decompression library calls a "source manager" to obtain the
-compressed data; you can provide your own source manager if you want the data
-to come from somewhere other than a stdio stream.
-
-In both cases, compressed data is processed a bufferload at a time: the
-destination or source manager provides a work buffer, and the library invokes
-the manager only when the buffer is filled or emptied. (You could define a
-one-character buffer to force the manager to be invoked for each byte, but
-that would be rather inefficient.) The buffer's size and location are
-controlled by the manager, not by the library. For example, if you desired to
-decompress a JPEG datastream that was all in memory, you could just make the
-buffer pointer and length point to the original data in memory. Then the
-buffer-reload procedure would be invoked only if the decompressor ran off the
-end of the datastream, which would indicate an erroneous datastream.
-
-The work buffer is defined as an array of datatype JOCTET, which is generally
-"char" or "unsigned char". On a machine where char is not exactly 8 bits
-wide, you must define JOCTET as a wider data type and then modify the data
-source and destination modules to transcribe the work arrays into 8-bit units
-on external storage.
-
-A data destination manager struct contains a pointer and count defining the
-next byte to write in the work buffer and the remaining free space:
-
- JOCTET * next_output_byte; /* => next byte to write in buffer */
- size_t free_in_buffer; /* # of byte spaces remaining in buffer */
-
-The library increments the pointer and decrements the count until the buffer
-is filled. The manager's empty_output_buffer method must reset the pointer
-and count. The manager is expected to remember the buffer's starting address
-and total size in private fields not visible to the library.
-
-A data destination manager provides three methods:
-
-init_destination (j_compress_ptr cinfo)
- Initialize destination. This is called by jpeg_start_compress()
- before any data is actually written. It must initialize
- next_output_byte and free_in_buffer. free_in_buffer must be
- initialized to a positive value.
-
-empty_output_buffer (j_compress_ptr cinfo)
- This is called whenever the buffer has filled (free_in_buffer
- reaches zero). In typical applications, it should write out the
- *entire* buffer (use the saved start address and buffer length;
- ignore the current state of next_output_byte and free_in_buffer).
- Then reset the pointer & count to the start of the buffer, and
- return TRUE indicating that the buffer has been dumped.
- free_in_buffer must be set to a positive value when TRUE is
- returned. A FALSE return should only be used when I/O suspension is
- desired (this operating mode is discussed in the next section).
-
-term_destination (j_compress_ptr cinfo)
- Terminate destination --- called by jpeg_finish_compress() after all
- data has been written. In most applications, this must flush any
- data remaining in the buffer. Use either next_output_byte or
- free_in_buffer to determine how much data is in the buffer.
-
-term_destination() is NOT called by jpeg_abort() or jpeg_destroy(). If you
-want the destination manager to be cleaned up during an abort, you must do it
-yourself.
-
-You will also need code to create a jpeg_destination_mgr struct, fill in its
-method pointers, and insert a pointer to the struct into the "dest" field of
-the JPEG compression object. This can be done in-line in your setup code if
-you like, but it's probably cleaner to provide a separate routine similar to
-the jpeg_stdio_dest() routine of the supplied destination manager.
-
-Decompression source managers follow a parallel design, but with some
-additional frammishes. The source manager struct contains a pointer and count
-defining the next byte to read from the work buffer and the number of bytes
-remaining:
-
- const JOCTET * next_input_byte; /* => next byte to read from buffer */
- size_t bytes_in_buffer; /* # of bytes remaining in buffer */
-
-The library increments the pointer and decrements the count until the buffer
-is emptied. The manager's fill_input_buffer method must reset the pointer and
-count. In most applications, the manager must remember the buffer's starting
-address and total size in private fields not visible to the library.
-
-A data source manager provides five methods:
-
-init_source (j_decompress_ptr cinfo)
- Initialize source. This is called by jpeg_read_header() before any
- data is actually read. Unlike init_destination(), it may leave
- bytes_in_buffer set to 0 (in which case a fill_input_buffer() call
- will occur immediately).
-
-fill_input_buffer (j_decompress_ptr cinfo)
- This is called whenever bytes_in_buffer has reached zero and more
- data is wanted. In typical applications, it should read fresh data
- into the buffer (ignoring the current state of next_input_byte and
- bytes_in_buffer), reset the pointer & count to the start of the
- buffer, and return TRUE indicating that the buffer has been reloaded.
- It is not necessary to fill the buffer entirely, only to obtain at
- least one more byte. bytes_in_buffer MUST be set to a positive value
- if TRUE is returned. A FALSE return should only be used when I/O
- suspension is desired (this mode is discussed in the next section).
-
-skip_input_data (j_decompress_ptr cinfo, long num_bytes)
- Skip num_bytes worth of data. The buffer pointer and count should
- be advanced over num_bytes input bytes, refilling the buffer as
- needed. This is used to skip over a potentially large amount of
- uninteresting data (such as an APPn marker). In some applications
- it may be possible to optimize away the reading of the skipped data,
- but it's not clear that being smart is worth much trouble; large
- skips are uncommon. bytes_in_buffer may be zero on return.
- A zero or negative skip count should be treated as a no-op.
-
-resync_to_restart (j_decompress_ptr cinfo)
- This routine is called only when the decompressor has failed to find
- a restart (RSTn) marker where one is expected. Its mission is to
- find a suitable point for resuming decompression. For most
- applications, we recommend that you just use the default resync
- procedure, jpeg_resync_to_restart(). However, if you are able to back
- up in the input data stream, or if you have a-priori knowledge about
- the likely location of restart markers, you may be able to do better.
- Read the read_restart_marker() and jpeg_resync_to_restart() routines
- in jdmarker.c if you think you'd like to implement your own resync
- procedure.
-
-term_source (j_decompress_ptr cinfo)
- Terminate source --- called by jpeg_finish_decompress() after all
- data has been read. Often a no-op.
-
-For both fill_input_buffer() and skip_input_data(), there is no such thing
-as an EOF return. If the end of the file has been reached, the routine has
-a choice of exiting via ERREXIT() or inserting fake data into the buffer.
-In most cases, generating a warning message and inserting a fake EOI marker
-is the best course of action --- this will allow the decompressor to output
-however much of the image is there. In pathological cases, the decompressor
-may swallow the EOI and again demand data ... just keep feeding it fake EOIs.
-jdatasrc.c illustrates the recommended error recovery behavior.
-
-term_source() is NOT called by jpeg_abort() or jpeg_destroy(). If you want
-the source manager to be cleaned up during an abort, you must do it yourself.
-
-You will also need code to create a jpeg_source_mgr struct, fill in its method
-pointers, and insert a pointer to the struct into the "src" field of the JPEG
-decompression object. This can be done in-line in your setup code if you
-like, but it's probably cleaner to provide a separate routine similar to the
-jpeg_stdio_src() routine of the supplied source manager.
-
-For more information, consult the stdio source and destination managers
-in jdatasrc.c and jdatadst.c.
-
-
-I/O suspension
---------------
-
-Some applications need to use the JPEG library as an incremental memory-to-
-memory filter: when the compressed data buffer is filled or emptied, they want
-control to return to the outer loop, rather than expecting that the buffer can
-be flushed or reloaded within the data source/destination manager subroutine.
-The library supports this need by providing an "I/O suspension" mode, which we
-describe in this section.
-
-The I/O suspension mode is a limited solution: it works only in the simplest
-operating modes (namely single-pass processing of single-scan JPEG files), and
-it has several other restrictions which are documented below. Furthermore,
-nothing is guaranteed about the maximum amount of time spent in any one call
-to the library, so a single-threaded application may still have response-time
-problems. If you need multi-pass processing or guaranteed response time, we
-suggest you "bite the bullet" and implement a real multi-tasking capability.
-
-To use I/O suspension, cooperation is needed between the calling application
-and the data source or destination manager; you will always need a custom
-source/destination manager. (Please read the previous section if you haven't
-already.) The basic idea is that the empty_output_buffer() or
-fill_input_buffer() routine is a no-op, merely returning FALSE to indicate
-that it has done nothing. Upon seeing this, the JPEG library suspends
-operation and returns to its caller. The surrounding application is
-responsible for emptying or refilling the work buffer before calling the JPEG
-library again.
-
-Compression suspension:
-
-For compression suspension, use an empty_output_buffer() routine that
-returns FALSE; typically it will not do anything else. This will cause the
-compressor to return to the caller of jpeg_write_scanlines(), with the
-return value indicating that not all the supplied scanlines have been
-accepted. The application must make more room in the output buffer, adjust
-the buffer pointer/count appropriately, and then call jpeg_write_scanlines()
-again, pointing to the first unconsumed scanline.
-
-When forced to suspend, the compressor will backtrack to a convenient stopping
-point (usually the start of the current MCU); it will regenerate some output
-data when restarted. Therefore, although empty_output_buffer() is only called
-when the buffer is filled, you should NOT dump out the entire buffer, only the
-data up to the current position of next_output_byte/free_in_buffer. The data
-beyond that point will be regenerated after resumption.
-
-Because of the backtracking behavior, a good-size output buffer is essential
-for efficiency; you don't want the compressor to suspend often. (In fact, an
-overly small buffer could lead to infinite looping, if a single MCU required
-more data than would fit in the buffer.) We recommend a buffer of at least
-several Kbytes. You may want to insert explicit code to ensure that you don't
-call jpeg_write_scanlines() unless there is a reasonable amount of space in
-the output buffer; in other words, flush the buffer before trying to compress
-more data.
-
-The JPEG compressor does not support suspension while it is trying to write
-JPEG markers at the beginning and end of the file. This means that
- * At the beginning of a compression operation, there must be enough free
- space in the output buffer to hold the header markers (typically 600 or
- so bytes). The recommended buffer size is bigger than this anyway, so
- this is not a problem as long as you start with an empty buffer. However,
- this restriction might catch you if you insert large special markers, such
- as a JFIF thumbnail image.
- * When you call jpeg_finish_compress(), there must be enough space in the
- output buffer to emit any buffered data and the final EOI marker. In the
- current implementation, half a dozen bytes should suffice for this, but
- for safety's sake we recommend ensuring that at least 100 bytes are free
- before calling jpeg_finish_compress().
-Furthermore, since jpeg_finish_compress() cannot suspend, you cannot request
-multi-pass operating modes such as Huffman code optimization or multiple-scan
-output. That would imply that a large amount of data would be written inside
-jpeg_finish_compress(), which would certainly trigger a buffer overrun.
-
-Decompression suspension:
-
-For decompression suspension, use a fill_input_buffer() routine that simply
-returns FALSE (except perhaps during error recovery, as discussed below).
-This will cause the decompressor to return to its caller with an indication
-that suspension has occurred. This can happen at three places:
- * jpeg_read_header(): will return JPEG_SUSPENDED.
- * jpeg_read_scanlines(): will return the number of scanlines already
- completed (possibly 0).
- * jpeg_finish_decompress(): will return FALSE, rather than its usual TRUE.
-The surrounding application must recognize these cases, load more data into
-the input buffer, and repeat the call. In the case of jpeg_read_scanlines(),
-adjust the passed pointers to reflect any scanlines successfully read.
-
-Just as with compression, the decompressor will typically backtrack to a
-convenient restart point before suspending. The data beyond the current
-position of next_input_byte/bytes_in_buffer must NOT be discarded; it will
-be re-read upon resumption. In most implementations, you'll need to shift
-this data down to the start of your work buffer and then load more data
-after it. Again, this behavior means that a several-Kbyte work buffer is
-essential for decent performance; furthermore, you should load a reasonable
-amount of new data before resuming decompression. (If you loaded, say,
-only one new byte each time around, you could waste a LOT of cycles.)
-
-The skip_input_data() source manager routine requires special care in a
-suspension scenario. This routine is NOT granted the ability to suspend the
-decompressor; it can decrement bytes_in_buffer to zero, but no more. If the
-requested skip distance exceeds the amount of data currently in the input
-buffer, then skip_input_data() must set bytes_in_buffer to zero and record the
-additional skip distance somewhere else. The decompressor will immediately
-call fill_input_buffer(), which will return FALSE, which will cause a
-suspension return. The surrounding application must then arrange to discard
-the right number of bytes before it resumes loading the input buffer. (Yes,
-this design is rather baroque, but it avoids complexity in the far more common
-case where a non-suspending source manager is used.)
-
-If the input data has been exhausted, we recommend that you emit a warning
-and insert dummy EOI markers just as a non-suspending data source manager
-would do. This can be handled either in the surrounding application logic or
-within fill_input_buffer(); the latter is probably more efficient. If
-fill_input_buffer() knows that no more data is available, it can set the
-pointer/count to point to a dummy EOI marker and then return TRUE just as
-though it had read more data in a non-suspending situation.
-
-The decompressor does not support suspension within jpeg_start_decompress().
-This means that you cannot use suspension with any multi-pass processing mode
-(eg, two-pass color quantization or multiple-scan JPEG files). In single-pass
-modes, jpeg_start_decompress() reads no data and thus need never suspend.
-
-The decompressor does not attempt to suspend within any JPEG marker; it will
-backtrack to the start of the marker. Hence the input buffer must be large
-enough to hold the longest marker in the file. We recommend at least a 2K
-buffer. The buffer would need to be 64K to allow for arbitrary COM or APPn
-markers, but the decompressor does not actually try to read these; it just
-skips them by calling skip_input_data(). If you provide a special marker
-handling routine that does look at such markers, coping with buffer overflow
-is your problem. Ordinary JPEG markers should normally not exceed a few
-hundred bytes each (DHT tables are typically the longest). For robustness
-against damaged marker length counts, you may wish to insert a test in your
-application for the case that the input buffer is completely full and yet the
-decoder has suspended without consuming any data --- otherwise, if this
-situation did occur, it would lead to an endless loop.
-
-
-Abbreviated datastreams and multiple images
--------------------------------------------
-
-A JPEG compression or decompression object can be reused to process multiple
-images. This saves a small amount of time per image by eliminating the
-"create" and "destroy" operations, but that isn't the real purpose of the
-feature. Rather, reuse of an object provides support for abbreviated JPEG
-datastreams. Object reuse can also simplify processing a series of images in
-a single input or output file. This section explains these features.
-
-A JPEG file normally contains several hundred bytes worth of quantization
-and Huffman tables. In a situation where many images will be stored or
-transmitted with identical tables, this may represent an annoying overhead.
-The JPEG standard therefore permits tables to be omitted. The standard
-defines three classes of JPEG datastreams:
- * "Interchange" datastreams contain an image and all tables needed to decode
- the image. These are the usual kind of JPEG file.
- * "Abbreviated image" datastreams contain an image, but are missing some or
- all of the tables needed to decode that image.
- * "Abbreviated table specification" (henceforth "tables-only") datastreams
- contain only table specifications.
-To decode an abbreviated image, it is necessary to load the missing table(s)
-into the decoder beforehand. This can be accomplished by reading a separate
-tables-only file. A variant scheme uses a series of images in which the first
-image is an interchange (complete) datastream, while subsequent ones are
-abbreviated and rely on the tables loaded by the first image. It is assumed
-that once the decoder has read a table, it will remember that table until a
-new definition for the same table number is encountered.
-
-It is the application designer's responsibility to figure out how to associate
-the correct tables with an abbreviated image. While abbreviated datastreams
-can be useful in a closed environment, their use is strongly discouraged in
-any situation where data exchange with other applications might be needed.
-Caveat designer.
-
-The JPEG library provides support for reading and writing any combination of
-tables-only datastreams and abbreviated images. In both compression and
-decompression objects, a quantization or Huffman table will be retained for
-the lifetime of the object, unless it is overwritten by a new table definition.
-
-
-To create abbreviated image datastreams, it is only necessary to tell the
-compressor not to emit some or all of the tables it is using. Each
-quantization and Huffman table struct contains a boolean field "sent_table",
-which normally is initialized to FALSE. For each table used by the image, the
-header-writing process emits the table and sets sent_table = TRUE unless it is
-already TRUE. (In normal usage, this prevents outputting the same table
-definition multiple times, as would otherwise occur because the chroma
-components typically share tables.) Thus, setting this field to TRUE before
-calling jpeg_start_compress() will prevent the table from being written at
-all.
-
-If you want to create a "pure" abbreviated image file containing no tables,
-just call "jpeg_suppress_tables(&cinfo, TRUE)" after constructing all the
-tables. If you want to emit some but not all tables, you'll need to set the
-individual sent_table fields directly.
-
-To create an abbreviated image, you must also call jpeg_start_compress()
-with a second parameter of FALSE, not TRUE. Otherwise jpeg_start_compress()
-will force all the sent_table fields to FALSE. (This is a safety feature to
-prevent abbreviated images from being created accidentally.)
-
-To create a tables-only file, perform the same parameter setup that you
-normally would, but instead of calling jpeg_start_compress() and so on, call
-jpeg_write_tables(&cinfo). This will write an abbreviated datastream
-containing only SOI, DQT and/or DHT markers, and EOI. All the quantization
-and Huffman tables that are currently defined in the compression object will
-be emitted unless their sent_tables flag is already TRUE, and then all the
-sent_tables flags will be set TRUE.
-
-A sure-fire way to create matching tables-only and abbreviated image files
-is to proceed as follows:
-
- create JPEG compression object
- set JPEG parameters
- set destination to tables-only file
- jpeg_write_tables(&cinfo);
- set destination to image file
- jpeg_start_compress(&cinfo, FALSE);
- write data...
- jpeg_finish_compress(&cinfo);
-
-Since the JPEG parameters are not altered between writing the table file and
-the abbreviated image file, the same tables are sure to be used. Of course,
-you can repeat the jpeg_start_compress() ... jpeg_finish_compress() sequence
-many times to produce many abbreviated image files matching the table file.
-
-You cannot suppress output of the computed Huffman tables when Huffman
-optimization is selected. (If you could, there'd be no way to decode the
-image...) Generally, you don't want to set optimize_coding = TRUE when
-you are trying to produce abbreviated files.
-
-In some cases you might want to compress an image using tables which are
-not stored in the application, but are defined in an interchange or
-tables-only file readable by the application. This can be done by setting up
-a JPEG decompression object to read the specification file, then copying the
-tables into your compression object.
-
-
-To read abbreviated image files, you simply need to load the proper tables
-into the decompression object before trying to read the abbreviated image.
-If the proper tables are stored in the application program, you can just
-allocate the table structs and fill in their contents directly. More commonly
-you'd want to read the tables from a tables-only file. The jpeg_read_header()
-call is sufficient to read a tables-only file. You must pass a second
-parameter of FALSE to indicate that you do not require an image to be present.
-Thus, the typical scenario is
-
- create JPEG decompression object
- set source to tables-only file
- jpeg_read_header(&cinfo, FALSE);
- set source to abbreviated image file
- jpeg_read_header(&cinfo, TRUE);
- set decompression parameters
- jpeg_start_decompress(&cinfo);
- read data...
- jpeg_finish_decompress(&cinfo);
-
-In some cases, you may want to read a file without knowing whether it contains
-an image or just tables. In that case, pass FALSE and check the return value
-from jpeg_read_header(): it will be JPEG_HEADER_OK if an image was found,
-JPEG_HEADER_TABLES_ONLY if only tables were found. (A third return value,
-JPEG_SUSPENDED, is possible when using a suspending data source manager.)
-Note that jpeg_read_header() will not complain if you read an abbreviated
-image for which you haven't loaded the missing tables; the missing-table check
-occurs in jpeg_start_decompress().
-
-
-It is possible to read a series of images from a single source file by
-repeating the jpeg_read_header() ... jpeg_finish_decompress() sequence,
-without releasing/recreating the JPEG object or the data source module.
-(If you did reinitialize, any partial bufferload left in the data source
-buffer at the end of one image would be discarded, causing you to lose the
-start of the next image.) When you use this method, stored tables are
-automatically carried forward, so some of the images can be abbreviated images
-that depend on tables from earlier images.
-
-If you intend to write a series of images into a single destination file,
-you might want to make a specialized data destination module that doesn't
-flush the output buffer at term_destination() time. This would speed things
-up by some trifling amount. Of course, you'd need to remember to flush the
-buffer after the last image. You can make the later images be abbreviated
-ones by passing FALSE to jpeg_start_compress().
-
-
-Special markers
----------------
-
-Some applications may need to insert or extract special data in the JPEG
-datastream. The JPEG standard provides marker types "COM" (comment) and
-"APP0" through "APP15" (application) to hold application-specific data.
-Unfortunately, the use of these markers is not specified by the standard.
-COM markers are fairly widely used to hold user-supplied text. The JFIF file
-format spec uses APP0 markers with specified initial strings to hold certain
-data. Adobe applications use APP14 markers beginning with the string "Adobe"
-for miscellaneous data. Other APPn markers are rarely seen, but might
-contain almost anything.
-
-If you wish to store user-supplied text, we recommend you use COM markers
-and place readable 7-bit ASCII text in them. Newline conventions are not
-standardized --- expect to find LF (Unix style), CR/LF (DOS style), or CR
-(Mac style). A robust COM reader should be able to cope with random binary
-garbage, including nulls, since some applications generate COM markers
-containing non-ASCII junk. (But yours should not be one of them.)
-
-For program-supplied data, use an APPn marker, and be sure to begin it with an
-identifying string so that you can tell whether the marker is actually yours.
-It's probably best to avoid using APP0 or APP14 for any private markers.
-
-Keep in mind that at most 65533 bytes can be put into one marker, but you
-can have as many markers as you like.
-
-By default, the JPEG compression library will write a JFIF APP0 marker if the
-selected JPEG colorspace is grayscale or YCbCr, or an Adobe APP14 marker if
-the selected colorspace is RGB, CMYK, or YCCK. You can disable this, but
-we don't recommend it. The decompression library will recognize JFIF and
-Adobe markers and will set the JPEG colorspace properly when one is found.
-
-You can write special markers immediately following the datastream header by
-calling jpeg_write_marker() after jpeg_start_compress() and before the first
-call to jpeg_write_scanlines(). When you do this, the markers appear after
-the SOI and the JFIF APP0 and Adobe APP14 markers (if written), but before
-all else. Write the marker type parameter as "JPEG_COM" for COM or
-"JPEG_APP0 + n" for APPn. (Actually, jpeg_write_marker will let you write
-any marker type, but we don't recommend writing any other kinds of marker.)
-For example, to write a user comment string pointed to by comment_text:
- jpeg_write_marker(cinfo, JPEG_COM, comment_text, strlen(comment_text));
-Or if you prefer to synthesize the marker byte sequence yourself, you can
-just cram it straight into the data destination module.
-
-For decompression, you can supply your own routine to process COM or APPn
-markers by calling jpeg_set_marker_processor(). Usually you'd call this
-after creating a decompression object and before calling jpeg_read_header(),
-because the markers of interest will normally be scanned by jpeg_read_header.
-Once you've supplied a routine, it will be used for the life of that
-decompression object. A separate routine may be registered for COM and for
-each APPn marker code.
-
-A marker processor routine must have the signature
- boolean jpeg_marker_parser_method (j_decompress_ptr cinfo)
-Although the marker code is not explicitly passed, the routine can find it
-in cinfo->unread_marker. At the time of call, the marker proper has been
-read from the data source module. The processor routine is responsible for
-reading the marker length word and the remaining parameter bytes, if any.
-Return TRUE to indicate success. (FALSE should be returned only if you are
-using a suspending data source and it tells you to suspend. See the standard
-marker processors in jdmarker.c for appropriate coding methods if you need to
-use a suspending data source.)
-
-If you override the default APP0 or APP14 processors, it is up to you to
-recognize JFIF and Adobe markers if you want colorspace recognition to occur
-properly. We recommend copying and extending the default processors if you
-want to do that.
-
-A simple example of an external COM processor can be found in djpeg.c.
-
-
-Raw (downsampled) image data
-----------------------------
-
-Some applications need to supply already-downsampled image data to the JPEG
-compressor, or to receive raw downsampled data from the decompressor. The
-library supports this requirement by allowing the application to write or
-read raw data, bypassing the normal preprocessing or postprocessing steps.
-The interface is different from the standard one and is somewhat harder to
-use. If your interest is merely in bypassing color conversion, we recommend
-that you use the standard interface and simply set jpeg_color_space =
-in_color_space (or jpeg_color_space = out_color_space for decompression).
-The mechanism described in this section is necessary only to supply or
-receive downsampled image data, in which not all components have the same
-dimensions.
-
-
-To compress raw data, you must supply the data in the colorspace to be used
-in the JPEG file (please read the earlier section on Special color spaces)
-and downsampled to the sampling factors specified in the JPEG parameters.
-You must supply the data in the format used internally by the JPEG library,
-namely a JSAMPIMAGE array. This is an array of pointers to two-dimensional
-arrays, each of type JSAMPARRAY. Each 2-D array holds the values for one
-color component. This structure is necessary since the components are of
-different sizes. If the image dimensions are not a multiple of the MCU size,
-you must also pad the data correctly (usually, this is done by replicating
-the last column and/or row). The data must be padded to a multiple of a DCT
-block in each component: that is, each downsampled row must contain a
-multiple of 8 valid samples, and there must be a multiple of 8 sample rows
-for each component. (For applications such as conversion of digital TV
-images, the standard image size is usually a multiple of the DCT block size,
-so that no padding need actually be done.)
-
-The procedure for compression of raw data is basically the same as normal
-compression, except that you call jpeg_write_raw_data() in place of
-jpeg_write_scanlines(). Before calling jpeg_start_compress(), you must do
-the following:
- * Set cinfo->raw_data_in to TRUE. (It is set FALSE by jpeg_set_defaults().)
- This notifies the library that you will be supplying raw data.
- * Ensure jpeg_color_space is correct --- an explicit jpeg_set_colorspace()
- call is a good idea. Note that since color conversion is bypassed,
- in_color_space is ignored, except that jpeg_set_defaults() uses it to
- choose the default jpeg_color_space setting.
- * Ensure the sampling factors, cinfo->comp_info[i].h_samp_factor and
- cinfo->comp_info[i].v_samp_factor, are correct. Since these indicate the
- dimensions of the data you are supplying, it's wise to set them
- explicitly, rather than assuming the library's defaults are what you want.
-
-To pass raw data to the library, call jpeg_write_raw_data() in place of
-jpeg_write_scanlines(). The two routines work similarly except that
-jpeg_write_raw_data takes a JSAMPIMAGE data array rather than JSAMPARRAY.
-The scanlines count passed to and returned from jpeg_write_raw_data is
-measured in terms of the component with the largest v_samp_factor.
-
-jpeg_write_raw_data() processes one MCU row per call, which is to say
-v_samp_factor*DCTSIZE sample rows of each component. The passed num_lines
-value must be at least max_v_samp_factor*DCTSIZE, and the return value will
-be exactly that amount (or possibly some multiple of that amount, in future
-library versions). This is true even on the last call at the bottom of the
-image; don't forget to pad your data as necessary.
-
-The required dimensions of the supplied data can be computed for each
-component as
- cinfo->comp_info[i].width_in_blocks*DCTSIZE samples per row
- cinfo->comp_info[i].height_in_blocks*DCTSIZE rows in image
-after jpeg_start_compress() has initialized those fields. If the valid data
-is smaller than this, it must be padded appropriately. For some sampling
-factors and image sizes, additional dummy DCT blocks are inserted to make
-the image a multiple of the MCU dimensions. The library creates such dummy
-blocks itself; it does not read them from your supplied data. Therefore you
-need never pad by more than DCTSIZE samples. An example may help here.
-Assume 2h2v downsampling of YCbCr data, that is
- cinfo->comp_info[0].h_samp_factor = 2 for Y
- cinfo->comp_info[0].v_samp_factor = 2
- cinfo->comp_info[1].h_samp_factor = 1 for Cb
- cinfo->comp_info[1].v_samp_factor = 1
- cinfo->comp_info[2].h_samp_factor = 1 for Cr
- cinfo->comp_info[2].v_samp_factor = 1
-and suppose that the nominal image dimensions (cinfo->image_width and
-cinfo->image_height) are 101x101 pixels. Then jpeg_start_compress() will
-compute downsampled_width = 101 and width_in_blocks = 13 for Y,
-downsampled_width = 51 and width_in_blocks = 7 for Cb and Cr (and the same
-for the height fields). You must pad the Y data to at least 13*8 = 104
-columns and rows, the Cb/Cr data to at least 7*8 = 56 columns and rows. The
-MCU height is max_v_samp_factor = 2 DCT rows so you must pass at least 16
-scanlines on each call to jpeg_write_raw_data(), which is to say 16 actual
-sample rows of Y and 8 each of Cb and Cr. A total of 7 MCU rows are needed,
-so you must pass a total of 7*16 = 112 "scanlines". The last DCT block row
-of Y data is dummy, so it doesn't matter what you pass for it in the data
-arrays, but the scanlines count must total up to 112 so that all of the Cb
-and Cr data gets passed.
-
-Currently, output suspension is not supported with raw data output: an error
-will result if the data destination module tries to suspend.
-
-
-Decompression with raw data output implies bypassing all postprocessing:
-you cannot ask for color quantization, for instance. More seriously, you must
-deal with the color space and sampling factors present in the incoming file.
-If your application only handles, say, 2h1v YCbCr data, you must check for
-and fail on other color spaces or other sampling factors.
-
-To obtain raw data output, set cinfo->raw_data_out = TRUE before
-jpeg_start_decompress() (it is set FALSE by jpeg_read_header()). Be sure to
-verify that the color space and sampling factors are ones you can handle.
-Then call jpeg_read_raw_data() in place of jpeg_read_scanlines(). The
-decompression process is otherwise the same as usual.
-
-jpeg_read_raw_data() returns one MCU row per call, and thus you must pass a
-buffer of at least max_v_samp_factor*DCTSIZE scanlines (scanline counting is
-the same as for raw-data compression). The buffer you pass must be large
-enough to hold the actual data plus padding to DCT-block boundaries. As with
-compression, any entirely dummy DCT blocks are not processed so you need not
-allocate space for them, but the total scanline count includes them. The
-above example of computing buffer dimensions for raw-data compression is
-equally valid for decompression.
-
-Input suspension is supported with raw-data decompression: if the data source
-module suspends, jpeg_read_raw_data() will return 0.
-
-
-Progress monitoring
--------------------
-
-Some applications may need to regain control from the JPEG library every so
-often. The typical use of this feature is to produce a percent-done bar or
-other progress display. (For a simple example, see cjpeg.c or djpeg.c.)
-Although you do get control back frequently during the data-transferring pass
-(the jpeg_read_scanlines or jpeg_write_scanlines loop), any additional passes
-will occur inside jpeg_finish_compress or jpeg_start_decompress; those
-routines may take a long time to execute, and you don't get control back
-until they are done.
-
-You can define a progress-monitor routine which will be called periodically
-by the library. No guarantees are made about how often this call will occur,
-so we don't recommend you use it for mouse tracking or anything like that.
-At present, a call will occur once per MCU row, scanline, or sample row
-group, whichever unit is convenient for the current processing mode; so the
-wider the image, the longer the time between calls. (During the data
-transferring pass, only one call occurs per call of jpeg_read_scanlines or
-jpeg_write_scanlines, so don't pass a large number of scanlines at once if
-you want fine resolution in the progress count.)
-
-To establish a progress-monitor callback, create a struct jpeg_progress_mgr,
-fill in its progress_monitor field with a pointer to your callback routine,
-and set cinfo->progress to point to the struct. The callback will be called
-whenever cinfo->progress is non-NULL. (This pointer is set to NULL by
-jpeg_create_compress or jpeg_create_decompress; the library will not change
-it thereafter. So if you allocate dynamic storage for the progress struct,
-make sure it will live as long as the JPEG object does. Allocating from the
-JPEG memory manager with lifetime JPOOL_PERMANENT will work nicely.) You
-can use the same callback routine for both compression and decompression.
-
-The jpeg_progress_mgr struct contains four fields which are set by the library:
- long pass_counter; /* work units completed in this pass */
- long pass_limit; /* total number of work units in this pass */
- int completed_passes; /* passes completed so far */
- int total_passes; /* total number of passes expected */
-During any one pass, pass_counter increases from 0 up to (not including)
-pass_limit; the step size is not necessarily 1. Both the step size and the
-limit may differ from one pass to another. The expected total number of
-passes is in total_passes, and the number of passes already completed is in
-completed_passes. Thus the fraction of work completed may be estimated as
- completed_passes + (pass_counter/pass_limit)
- --------------------------------------------
- total_passes
-ignoring the fact that the passes may not be equal amounts of work.
-
-When decompressing, the total_passes value is not trustworthy, because it
-depends on the number of scans in the JPEG file, which isn't always known in
-advance. In the current implementation, completed_passes may jump by more
-than one when dealing with a multiple-scan input file. About all that is
-really safe to assume is that when completed_passes = total_passes - 1, the
-current pass will be the last one.
-
-If you really need to use the callback mechanism for time-critical tasks
-like mouse tracking, you could insert additional calls inside some of the
-library's inner loops.
-
-
-Memory management
------------------
-
-This section covers some key facts about the JPEG library's built-in memory
-manager. For more info, please read structure.doc's section about the memory
-manager, and consult the source code if necessary.
-
-All memory and temporary file allocation within the library is done via the
-memory manager. If necessary, you can replace the "back end" of the memory
-manager to control allocation yourself (for example, if you don't want the
-library to use malloc() and free() for some reason).
-
-Some data is allocated "permanently" and will not be freed until the JPEG
-object is destroyed. Most data is allocated "per image" and is freed by
-jpeg_finish_compress, jpeg_finish_decompress, or jpeg_abort. You can call the
-memory manager yourself to allocate structures that will automatically be
-freed at these times. Typical code for this is
- ptr = (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, size);
-Use JPOOL_PERMANENT to get storage that lasts as long as the JPEG object.
-Use alloc_large instead of alloc_small for anything bigger than a few Kbytes.
-There are also alloc_sarray and alloc_barray routines that automatically
-build 2-D sample or block arrays.
-
-The library's minimum space requirements to process an image depend on the
-image's width, but not on its height, because the library ordinarily works
-with "strip" buffers that are as wide as the image but just a few rows high.
-Some operating modes (eg, two-pass color quantization) require full-image
-buffers. Such buffers are treated as "virtual arrays": only the current strip
-need be in memory, and the rest can be swapped out to a temporary file.
-
-If you use the simplest memory manager back end (jmemnobs.c), then no
-temporary files are used; virtual arrays are simply malloc()'d. Images bigger
-than memory can be processed only if your system supports virtual memory.
-The other memory manager back ends support temporary files of various flavors
-and thus work in machines without virtual memory. They may also be useful on
-Unix machines if you need to process images that exceed available swap space.
-
-When using temporary files, the library will make the in-memory buffers for
-its virtual arrays just big enough to stay within a "maximum memory" setting.
-Your application can set this limit by setting cinfo->mem->max_memory_to_use
-after creating the JPEG object. (Of course, there is still a minimum size for
-the buffers, so the max-memory setting is effective only if it is bigger than
-the minimum space needed.) If you allocate any large structures yourself, you
-must allocate them before jpeg_start_compress() or jpeg_start_decompress() in
-order to have them counted against the max memory limit. Also keep in mind
-that space allocated with alloc_small() is ignored, on the assumption that
-it's too small to be worth worrying about.
-
-If you use the jmemname.c or jmemdos.c memory manager back end, it is
-important to clean up the JPEG object properly to ensure that the temporary
-files get deleted. (This is especially crucial with jmemdos.c, where the
-"temporary files" may be extended-memory segments; if they are not freed,
-DOS will require a reboot to recover the memory.) Thus, with these memory
-managers, it's a good idea to provide a signal handler that will trap any
-early exit from your program. The handler should call either jpeg_abort()
-or jpeg_destroy() for any active JPEG objects. A handler is not needed with
-jmemnobs.c, and shouldn't be necessary with jmemansi.c either, since the C
-library is supposed to take care of deleting files made with tmpfile().
-
-
-Library compile-time options
-----------------------------
-
-A number of compile-time options are available by modifying jmorecfg.h.
-
-The JPEG standard provides for both the baseline 8-bit DCT process and
-a 12-bit DCT process. 12-bit lossy JPEG is supported if you define
-BITS_IN_JSAMPLE as 12 rather than 8. Note that this causes JSAMPLE to be
-larger than a char, so it affects the surrounding application's image data.
-At present, a 12-bit library can handle *only* 12-bit images, not both
-precisions. (If you need to include both 8- and 12-bit libraries in a
-single application, you could probably do it by defining
-NEED_SHORT_EXTERNAL_NAMES for just one of the copies. You'd have to access
-the 8-bit and 12-bit copies from separate application source files. This is
-untested ... if you try it, we'd like to hear whether it works!)
-
-The maximum number of components (color channels) in the image is determined
-by MAX_COMPONENTS. The JPEG standard allows up to 255 components, but we
-expect that few applications will need more than four or so.
-
-On machines with unusual data type sizes, you may be able to improve
-performance or reduce memory space by tweaking the various typedefs in
-jmorecfg.h. In particular, on some RISC CPUs, access to arrays of "short"s
-is quite slow; consider trading memory for speed by making JCOEF, INT16, and
-UINT16 be "int" or "unsigned int". UINT8 is also a candidate to become int.
-You probably don't want to make JSAMPLE be int unless you have lots of memory
-to burn.
-
-You can reduce the size of the library by compiling out various optional
-functions. To do this, undefine xxx_SUPPORTED symbols as necessary.
-
-
-Portability considerations
---------------------------
-
-The JPEG library has been written to be extremely portable; the sample
-applications cjpeg and djpeg are slightly less so. This section summarizes
-the design goals in this area. (If you encounter any bugs that cause the
-library to be less portable than is claimed here, we'd appreciate hearing
-about them.)
-
-The code works fine on both ANSI and pre-ANSI C compilers, using any of the
-popular system include file setups, and some not-so-popular ones too. See
-install.doc for configuration procedures.
-
-The code is not dependent on the exact sizes of the C data types. As
-distributed, we make the assumptions that
- char is at least 8 bits wide
- short is at least 16 bits wide
- int is at least 16 bits wide
- long is at least 32 bits wide
-(These are the minimum requirements of the ANSI C standard.) Wider types will
-work fine, although memory may be used inefficiently if char is much larger
-than 8 bits or short is much bigger than 16 bits. The code should work
-equally well with 16- or 32-bit ints.
-
-In a system where these assumptions are not met, you may be able to make the
-code work by modifying the typedefs in jmorecfg.h. However, you will probably
-have difficulty if int is less than 16 bits wide, since references to plain
-int abound in the code.
-
-char can be either signed or unsigned, although the code runs faster if an
-unsigned char type is available. If char is wider than 8 bits, you will need
-to redefine JOCTET and/or provide custom data source/destination managers so
-that JOCTET represents exactly 8 bits of data on external storage.
-
-The JPEG library proper does not assume ASCII representation of characters.
-But some of the image file I/O modules in cjpeg/djpeg do have ASCII
-dependencies in file-header manipulation; so does cjpeg's select_file_type()
-routine.
-
-The JPEG library does not rely heavily on the C library. In particular, C
-stdio is used only by the data source/destination modules and the error
-handler, all of which are application-replaceable. (cjpeg/djpeg are more
-heavily dependent on stdio.) malloc and free are called only from the memory
-manager "back end" module, so you can use a different memory allocator by
-replacing that one file.
-
-The code generally assumes that C names must be unique in the first 15
-characters. However, global function names can be made unique in the
-first 6 characters by defining NEED_SHORT_EXTERNAL_NAMES.
-
-More info about porting the code may be gleaned by reading jconfig.doc,
-jmorecfg.h, and jinclude.h.
-
-
-Notes for MS-DOS implementors
------------------------------
-
-The IJG code is designed to work efficiently in 80x86 "small" or "medium"
-memory models (i.e., data pointers are 16 bits unless explicitly declared
-"far"; code pointers can be either size). You may be able to use small
-model to compile cjpeg or djpeg by itself, but you will probably have to use
-medium model for any larger application. This won't make much difference in
-performance. You *will* take a noticeable performance hit if you use a
-large-data memory model (perhaps 10%-25%), and you should avoid "huge" model
-if at all possible.
-
-The JPEG library typically needs 2Kb-3Kb of stack space. It will also
-malloc about 20K-30K of near heap space while executing (and lots of far
-heap, but that doesn't count in this calculation). This figure will vary
-depending on selected operating mode, and to a lesser extent on image size.
-Thus you have perhaps 25K available for static data and other modules' near
-heap space before you need to go to a larger memory model. The C library's
-static data will account for several K of this, but that still leaves a good
-deal for your needs. (If you are tight on space, you could reduce the sizes
-of the I/O buffers allocated by jdatasrc.c and jdatadst.c, say from 4K to
-1K.)
-
-About 2K of the near heap space is "permanent" memory that will not be
-released until you destroy the JPEG object. This is only an issue if you
-save a JPEG object between compression or decompression operations.
-
-Far data space may also be a tight resource when you are dealing with large
-images. The most memory-intensive case is decompression with two-pass color
-quantization, or single-pass quantization to an externally supplied color
-map. This requires a 128Kb color lookup table plus strip buffers amounting
-to about 50 bytes per column for typical sampling ratios (eg, about 32000
-bytes for a 640-pixel-wide image). You may not be able to process wide
-images if you have large data structures of your own.
-
-Of course, all of these concerns vanish if you use a 32-bit flat-memory-model
-compiler, such as DJGPP or Watcom C. We highly recommend flat model if you
-can use it; the JPEG library is significantly faster in flat model.
diff --git a/jpeg/libjpeg.doc.gz b/jpeg/libjpeg.doc.gz
deleted file mode 100644
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z=?h`sx{HdfU-$CN{yoW*h2i9UQ5Lt(Us;zg{5UBp`14U$>ffU`ORMfK>}*TdiDx?P
z67*(~!^OavS2pDs=bNr%bPQ!b`15Jz;U&Q{p59$*63t;PJLmq)9Vd^J3j0}UpH1aG
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k=RG{kxl!k?iZIKm{<taaPp@d4>Hg1fbIE+S35pC10O$!+Hvj+t
diff --git a/jpeg/makcjpeg.st b/jpeg/makcjpeg.st
deleted file mode 100644
index f524a8f7ab..0000000000
--- a/jpeg/makcjpeg.st
+++ /dev/null
@@ -1,35 +0,0 @@
-; Project file for Independent JPEG Group's software
-;
-; This project file is for Atari ST/STE/TT systems using Pure C or Turbo C.
-; Thanks to Frank Moehle (Frank.Moehle@arbi.informatik.uni-oldenburg.de)
-; and to Dr. B. Setzepfandt (bernd@gina.uni-muenster.de).
-;
-; To use this file, rename it to CJPEG.PRJ.
-; If you are using Turbo C, change filenames beginning with "PC..." to "TC..."
-; Read installation instructions before trying to make the program!
-;
-;
-; * * * Output file * * *
-cjpeg.ttp
-;
-; * * * COMPILER OPTIONS * * *
-.C[-P] ; absolute calls
-.C[-M] ; and no string merging, folks
-.C[-w-cln] ; no "constant is long" warnings
-.C[-w-par] ; no "parameter xxxx unused"
-.C[-w-rch] ; no "unreachable code"
-.C[-wsig] ; warn if significant digits may be lost
-=
-; * * * * List of modules * * * *
-PCSTART.O
-cjpeg.c (cdjpeg.h,jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jerror.h,cderror.h,jversion.h)
-rdppm.c (cdjpeg.h,jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jerror.h,cderror.h)
-rdgif.c (cdjpeg.h,jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jerror.h,cderror.h)
-rdtarga.c (cdjpeg.h,jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jerror.h,cderror.h)
-rdbmp.c (cdjpeg.h,jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jerror.h,cderror.h)
-rdrle.c (cdjpeg.h,jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jerror.h,cderror.h)
-LIBJPEG.LIB ; built by LIBJPEG.PRJ
-PCFLTLIB.LIB ; floating point library
-; the float library can be omitted if you've turned off DCT_FLOAT_SUPPORTED
-PCSTDLIB.LIB ; standard library
-PCEXTLIB.LIB ; extended library
diff --git a/jpeg/makdjpeg.st b/jpeg/makdjpeg.st
deleted file mode 100644
index 201415382e..0000000000
--- a/jpeg/makdjpeg.st
+++ /dev/null
@@ -1,36 +0,0 @@
-; Project file for Independent JPEG Group's software
-;
-; This project file is for Atari ST/STE/TT systems using Pure C or Turbo C.
-; Thanks to Frank Moehle (Frank.Moehle@arbi.informatik.uni-oldenburg.de)
-; and to Dr. B. Setzepfandt (bernd@gina.uni-muenster.de).
-;
-; To use this file, rename it to DJPEG.PRJ.
-; If you are using Turbo C, change filenames beginning with "PC..." to "TC..."
-; Read installation instructions before trying to make the program!
-;
-;
-; * * * Output file * * *
-djpeg.ttp
-;
-; * * * COMPILER OPTIONS * * *
-.C[-P] ; absolute calls
-.C[-M] ; and no string merging, folks
-.C[-w-cln] ; no "constant is long" warnings
-.C[-w-par] ; no "parameter xxxx unused"
-.C[-w-rch] ; no "unreachable code"
-.C[-wsig] ; warn if significant digits may be lost
-=
-; * * * * List of modules * * * *
-PCSTART.O
-djpeg.c (cdjpeg.h,jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jerror.h,cderror.h,jversion.h)
-rdcolmap.c (cdjpeg.h,jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jerror.h,cderror.h)
-wrppm.c (cdjpeg.h,jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jerror.h,cderror.h)
-wrgif.c (cdjpeg.h,jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jerror.h,cderror.h)
-wrtarga.c (cdjpeg.h,jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jerror.h,cderror.h)
-wrbmp.c (cdjpeg.h,jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jerror.h,cderror.h)
-wrrle.c (cdjpeg.h,jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jerror.h,cderror.h)
-LIBJPEG.LIB ; built by LIBJPEG.PRJ
-PCFLTLIB.LIB ; floating point library
-; the float library can be omitted if you've turned off DCT_FLOAT_SUPPORTED
-PCSTDLIB.LIB ; standard library
-PCEXTLIB.LIB ; extended library
diff --git a/jpeg/makefile.ansi b/jpeg/makefile.ansi
deleted file mode 100644
index b69aca2266..0000000000
--- a/jpeg/makefile.ansi
+++ /dev/null
@@ -1,178 +0,0 @@
-# Makefile for Independent JPEG Group's software
-
-# This makefile is suitable for Unix-like systems with ANSI-capable compilers.
-# If you have a non-ANSI compiler, makefile.unix is a better starting point.
-
-# Read installation instructions before saying "make" !!
-
-# The name of your C compiler:
-CC= cc
-
-# You may need to adjust these cc options:
-CFLAGS= -O
-# Generally, we recommend defining any configuration symbols in jconfig.h,
-# NOT via -D switches here.
-
-# Link-time cc options:
-LDFLAGS=
-
-# To link any special libraries, add the necessary -l commands here.
-LDLIBS=
-
-# Put here the object file name for the correct system-dependent memory
-# manager file. For Unix this is usually jmemnobs.o, but you may want
-# to use jmemansi.o or jmemname.o if you have limited swap space.
-SYSDEPMEM= jmemnobs.o
-
-# miscellaneous OS-dependent stuff
-# linker
-LN= $(CC)
-# file deletion command
-RM= rm -f
-# library (.a) file creation command
-AR= ar rc
-# second step in .a creation (use "touch" if not needed)
-AR2= ranlib
-
-# End of configurable options.
-
-
-# source files: JPEG library proper
-LIBSOURCES= jcapi.c jccoefct.c jccolor.c jcdctmgr.c jchuff.c jcmainct.c \
- jcmarker.c jcmaster.c jcomapi.c jcparam.c jcprepct.c jcsample.c \
- jdapi.c jdatasrc.c jdatadst.c jdcoefct.c jdcolor.c jddctmgr.c \
- jdhuff.c jdmainct.c jdmarker.c jdmaster.c jdpostct.c jdsample.c \
- jerror.c jutils.c jfdctfst.c jfdctflt.c jfdctint.c jidctfst.c \
- jidctflt.c jidctint.c jidctred.c jquant1.c jquant2.c jdmerge.c \
- jmemmgr.c jmemansi.c jmemname.c jmemnobs.c jmemdos.c
-# source files: cjpeg/djpeg applications, also rdjpgcom/wrjpgcom
-APPSOURCES= cjpeg.c djpeg.c rdcolmap.c rdppm.c wrppm.c rdgif.c wrgif.c \
- rdtarga.c wrtarga.c rdbmp.c wrbmp.c rdrle.c wrrle.c rdjpgcom.c \
- wrjpgcom.c
-SOURCES= $(LIBSOURCES) $(APPSOURCES)
-# files included by source files
-INCLUDES= jdct.h jerror.h jinclude.h jmemsys.h jmorecfg.h jpegint.h \
- jpeglib.h jversion.h cdjpeg.h cderror.h
-# documentation, test, and support files
-DOCS= README install.doc usage.doc cjpeg.1 djpeg.1 rdjpgcom.1 wrjpgcom.1 \
- example.c libjpeg.doc structure.doc coderules.doc filelist.doc \
- change.log
-MKFILES= configure makefile.auto makefile.ansi makefile.unix makefile.manx \
- makefile.sas makcjpeg.st makdjpeg.st makljpeg.st makefile.bcc \
- makefile.mc6 makefile.dj makefile.mms makefile.vms makvms.opt
-CONFIGFILES= jconfig.auto jconfig.manx jconfig.sas jconfig.st jconfig.bcc \
- jconfig.mc6 jconfig.dj jconfig.vms
-OTHERFILES= jconfig.doc ckconfig.c ansi2knr.c ansi2knr.1 jmemdosa.asm
-TESTFILES= testorig.jpg testimg.ppm testimg.gif testimg.jpg
-DISTFILES= $(DOCS) $(MKFILES) $(CONFIGFILES) $(SOURCES) $(INCLUDES) \
- $(OTHERFILES) $(TESTFILES)
-# library object files common to compression and decompression
-COMOBJECTS= jcomapi.o jutils.o jerror.o jmemmgr.o $(SYSDEPMEM)
-# compression library object files
-CLIBOBJECTS= jcapi.o jcparam.o jdatadst.o jcmaster.o jcmarker.o jcmainct.o \
- jcprepct.o jccoefct.o jccolor.o jcsample.o jchuff.o jcdctmgr.o \
- jfdctfst.o jfdctflt.o jfdctint.o
-# decompression library object files
-DLIBOBJECTS= jdapi.o jdatasrc.o jdmaster.o jdmarker.o jdmainct.o jdcoefct.o \
- jdpostct.o jddctmgr.o jidctfst.o jidctflt.o jidctint.o jidctred.o \
- jdhuff.o jdsample.o jdcolor.o jquant1.o jquant2.o jdmerge.o
-# These objectfiles are included in libjpeg.a
-LIBOBJECTS= $(CLIBOBJECTS) $(DLIBOBJECTS) $(COMOBJECTS)
-# object files for cjpeg and djpeg applications (excluding library files)
-COBJECTS= cjpeg.o rdppm.o rdgif.o rdtarga.o rdrle.o rdbmp.o
-DOBJECTS= djpeg.o wrppm.o wrgif.o wrtarga.o wrrle.o wrbmp.o rdcolmap.o
-
-
-all: libjpeg.a cjpeg djpeg rdjpgcom wrjpgcom
-
-libjpeg.a: $(LIBOBJECTS)
- $(RM) libjpeg.a
- $(AR) libjpeg.a $(LIBOBJECTS)
- $(AR2) libjpeg.a
-
-cjpeg: $(COBJECTS) libjpeg.a
- $(LN) $(LDFLAGS) -o cjpeg $(COBJECTS) libjpeg.a $(LDLIBS)
-
-djpeg: $(DOBJECTS) libjpeg.a
- $(LN) $(LDFLAGS) -o djpeg $(DOBJECTS) libjpeg.a $(LDLIBS)
-
-rdjpgcom: rdjpgcom.o
- $(LN) $(LDFLAGS) -o rdjpgcom rdjpgcom.o $(LDLIBS)
-
-wrjpgcom: wrjpgcom.o
- $(LN) $(LDFLAGS) -o wrjpgcom wrjpgcom.o $(LDLIBS)
-
-jconfig.h: jconfig.doc
- echo You must prepare a system-dependent jconfig.h file.
- echo Please read the installation directions in install.doc.
- exit 1
-
-clean:
- $(RM) *.o cjpeg djpeg libjpeg.a rdjpgcom wrjpgcom core testout.*
-
-test: cjpeg djpeg
- $(RM) testout.ppm testout.gif testout.jpg
- ./djpeg -dct int -ppm -outfile testout.ppm testorig.jpg
- ./djpeg -dct int -gif -outfile testout.gif testorig.jpg
- ./cjpeg -dct int -outfile testout.jpg testimg.ppm
- cmp testimg.ppm testout.ppm
- cmp testimg.gif testout.gif
- cmp testimg.jpg testout.jpg
-
-
-jcapi.o : jcapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jccoefct.o : jccoefct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jccolor.o : jccolor.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcdctmgr.o : jcdctmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jchuff.o : jchuff.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcmainct.o : jcmainct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcmarker.o : jcmarker.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcmaster.o : jcmaster.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcomapi.o : jcomapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcparam.o : jcparam.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcprepct.o : jcprepct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcsample.o : jcsample.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdapi.o : jdapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdatasrc.o : jdatasrc.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h
-jdatadst.o : jdatadst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h
-jdcoefct.o : jdcoefct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdcolor.o : jdcolor.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jddctmgr.o : jddctmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jdhuff.o : jdhuff.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmainct.o : jdmainct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmarker.o : jdmarker.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmaster.o : jdmaster.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdpostct.o : jdpostct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdsample.o : jdsample.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jerror.o : jerror.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jversion.h jerror.h
-jutils.o : jutils.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jfdctfst.o : jfdctfst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jfdctflt.o : jfdctflt.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jfdctint.o : jfdctint.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctfst.o : jidctfst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctflt.o : jidctflt.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctint.o : jidctint.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctred.o : jidctred.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jquant1.o : jquant1.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jquant2.o : jquant2.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmerge.o : jdmerge.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jmemmgr.o : jmemmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemansi.o : jmemansi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemname.o : jmemname.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemnobs.o : jmemnobs.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemdos.o : jmemdos.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-cjpeg.o : cjpeg.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h jversion.h
-djpeg.o : djpeg.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h jversion.h
-rdcolmap.o : rdcolmap.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdppm.o : rdppm.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrppm.o : wrppm.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdgif.o : rdgif.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrgif.o : wrgif.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdtarga.o : rdtarga.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrtarga.o : wrtarga.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdbmp.o : rdbmp.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrbmp.o : wrbmp.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdrle.o : rdrle.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrrle.o : wrrle.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdjpgcom.o : rdjpgcom.c jinclude.h jconfig.h
-wrjpgcom.o : wrjpgcom.c jinclude.h jconfig.h
diff --git a/jpeg/makefile.auto b/jpeg/makefile.auto
deleted file mode 100644
index 20a81b75a2..0000000000
--- a/jpeg/makefile.auto
+++ /dev/null
@@ -1,238 +0,0 @@
-# Makefile for Independent JPEG Group's software
-
-# makefile.auto is edited by configure to produce a custom Makefile.
-
-# Read installation instructions before saying "make" !!
-
-# For compiling with source and object files in different directories.
-srcdir = @srcdir@
-VPATH = @srcdir@
-
-# Where to install the programs and man pages.
-prefix = /usr/local
-exec_prefix = $(prefix)
-bindir = $(exec_prefix)/bin
-libdir = $(exec_prefix)/lib
-includedir = $(prefix)/include
-mandir = $(prefix)/man/man1
-binprefix =
-manprefix =
-manext = 1
-
-# The name of your C compiler:
-CC= @CC@
-
-# You may need to adjust these cc options:
-CFLAGS= -O -I$(srcdir)
-# Generally, we recommend defining any configuration symbols in jconfig.h,
-# NOT via -D switches here.
-# However, any special defines for ansi2knr.c may be included here:
-ANSI2KNRFLAGS= @ANSI2KNRFLAGS@
-
-# Link-time cc options:
-LDFLAGS=
-
-# To link any special libraries, add the necessary -l commands here.
-LDLIBS=
-
-# Put here the object file name for the correct system-dependent memory
-# manager file. For Unix this is usually jmemnobs.o, but you may want
-# to use jmemansi.o or jmemname.o if you have limited swap space.
-SYSDEPMEM= @MEMORYMGR@
-
-# miscellaneous OS-dependent stuff
-SHELL= /bin/sh
-# linker
-LN= $(CC)
-# file deletion command
-RM= rm -f
-# file rename command
-MV= mv
-# library (.a) file creation command
-AR= ar rc
-# second step in .a creation (use "touch" if not needed)
-AR2= @RANLIB@
-# installation program
-INSTALL= @INSTALL@
-INSTALL_PROGRAM= @INSTALL_PROGRAM@
-INSTALL_DATA= @INSTALL_DATA@
-
-# End of configurable options.
-
-
-# source files: JPEG library proper
-LIBSOURCES= jcapi.c jccoefct.c jccolor.c jcdctmgr.c jchuff.c jcmainct.c \
- jcmarker.c jcmaster.c jcomapi.c jcparam.c jcprepct.c jcsample.c \
- jdapi.c jdatasrc.c jdatadst.c jdcoefct.c jdcolor.c jddctmgr.c \
- jdhuff.c jdmainct.c jdmarker.c jdmaster.c jdpostct.c jdsample.c \
- jerror.c jutils.c jfdctfst.c jfdctflt.c jfdctint.c jidctfst.c \
- jidctflt.c jidctint.c jidctred.c jquant1.c jquant2.c jdmerge.c \
- jmemmgr.c jmemansi.c jmemname.c jmemnobs.c jmemdos.c
-# source files: cjpeg/djpeg applications, also rdjpgcom/wrjpgcom
-APPSOURCES= cjpeg.c djpeg.c rdcolmap.c rdppm.c wrppm.c rdgif.c wrgif.c \
- rdtarga.c wrtarga.c rdbmp.c wrbmp.c rdrle.c wrrle.c rdjpgcom.c \
- wrjpgcom.c
-SOURCES= $(LIBSOURCES) $(APPSOURCES)
-# files included by source files
-INCLUDES= jdct.h jerror.h jinclude.h jmemsys.h jmorecfg.h jpegint.h \
- jpeglib.h jversion.h cdjpeg.h cderror.h
-# documentation, test, and support files
-DOCS= README install.doc usage.doc cjpeg.1 djpeg.1 rdjpgcom.1 wrjpgcom.1 \
- example.c libjpeg.doc structure.doc coderules.doc filelist.doc \
- change.log
-MKFILES= configure makefile.auto makefile.ansi makefile.unix makefile.manx \
- makefile.sas makcjpeg.st makdjpeg.st makljpeg.st makefile.bcc \
- makefile.mc6 makefile.dj makefile.mms makefile.vms makvms.opt
-CONFIGFILES= jconfig.auto jconfig.manx jconfig.sas jconfig.st jconfig.bcc \
- jconfig.mc6 jconfig.dj jconfig.vms
-OTHERFILES= jconfig.doc ckconfig.c ansi2knr.c ansi2knr.1 jmemdosa.asm
-TESTFILES= testorig.jpg testimg.ppm testimg.gif testimg.jpg
-DISTFILES= $(DOCS) $(MKFILES) $(CONFIGFILES) $(SOURCES) $(INCLUDES) \
- $(OTHERFILES) $(TESTFILES)
-# library object files common to compression and decompression
-COMOBJECTS= jcomapi.o jutils.o jerror.o jmemmgr.o $(SYSDEPMEM)
-# compression library object files
-CLIBOBJECTS= jcapi.o jcparam.o jdatadst.o jcmaster.o jcmarker.o jcmainct.o \
- jcprepct.o jccoefct.o jccolor.o jcsample.o jchuff.o jcdctmgr.o \
- jfdctfst.o jfdctflt.o jfdctint.o
-# decompression library object files
-DLIBOBJECTS= jdapi.o jdatasrc.o jdmaster.o jdmarker.o jdmainct.o jdcoefct.o \
- jdpostct.o jddctmgr.o jidctfst.o jidctflt.o jidctint.o jidctred.o \
- jdhuff.o jdsample.o jdcolor.o jquant1.o jquant2.o jdmerge.o
-# These objectfiles are included in libjpeg.a
-LIBOBJECTS= $(CLIBOBJECTS) $(DLIBOBJECTS) $(COMOBJECTS)
-# object files for cjpeg and djpeg applications (excluding library files)
-COBJECTS= cjpeg.o rdppm.o rdgif.o rdtarga.o rdrle.o rdbmp.o
-DOBJECTS= djpeg.o wrppm.o wrgif.o wrtarga.o wrrle.o wrbmp.o rdcolmap.o
-
-
-all: @ANSI2KNR@ libjpeg.a cjpeg djpeg rdjpgcom wrjpgcom
-
-# This rule causes ansi2knr to be invoked.
-@ISANSICOM@.c.o:
-@ISANSICOM@ ./ansi2knr $(srcdir)/$*.c T$*.c
-@ISANSICOM@ $(CC) $(CFLAGS) -c T$*.c
-@ISANSICOM@ $(RM) T$*.c $*.o
-@ISANSICOM@ $(MV) T$*.o $*.o
-
-ansi2knr: ansi2knr.c
- $(CC) $(CFLAGS) $(ANSI2KNRFLAGS) -o ansi2knr ansi2knr.c
-
-libjpeg.a: @ANSI2KNR@ $(LIBOBJECTS)
- $(RM) libjpeg.a
- $(AR) libjpeg.a $(LIBOBJECTS)
- $(AR2) libjpeg.a
-
-cjpeg: $(COBJECTS) libjpeg.a
- $(LN) $(LDFLAGS) -o cjpeg $(COBJECTS) libjpeg.a $(LDLIBS)
-
-djpeg: $(DOBJECTS) libjpeg.a
- $(LN) $(LDFLAGS) -o djpeg $(DOBJECTS) libjpeg.a $(LDLIBS)
-
-rdjpgcom: rdjpgcom.o
- $(LN) $(LDFLAGS) -o rdjpgcom rdjpgcom.o $(LDLIBS)
-
-wrjpgcom: wrjpgcom.o
- $(LN) $(LDFLAGS) -o wrjpgcom wrjpgcom.o $(LDLIBS)
-
-jconfig.h: jconfig.doc
- echo You must prepare a system-dependent jconfig.h file.
- echo Please read the installation directions in install.doc.
- exit 1
-
-install: cjpeg djpeg rdjpgcom wrjpgcom
- $(INSTALL_PROGRAM) cjpeg $(bindir)/$(binprefix)cjpeg
- $(INSTALL_PROGRAM) djpeg $(bindir)/$(binprefix)djpeg
- $(INSTALL_PROGRAM) rdjpgcom $(bindir)/$(binprefix)rdjpgcom
- $(INSTALL_PROGRAM) wrjpgcom $(bindir)/$(binprefix)wrjpgcom
- $(INSTALL_DATA) $(srcdir)/cjpeg.1 $(mandir)/$(manprefix)cjpeg.$(manext)
- $(INSTALL_DATA) $(srcdir)/djpeg.1 $(mandir)/$(manprefix)djpeg.$(manext)
- $(INSTALL_DATA) $(srcdir)/rdjpgcom.1 $(mandir)/$(manprefix)rdjpgcom.$(manext)
- $(INSTALL_DATA) $(srcdir)/wrjpgcom.1 $(mandir)/$(manprefix)wrjpgcom.$(manext)
-
-install-lib: libjpeg.a jconfig.h
- $(INSTALL_DATA) libjpeg.a $(libdir)/$(binprefix)libjpeg.a
- $(INSTALL_DATA) jconfig.h $(includedir)/jconfig.h
- $(INSTALL_DATA) $(srcdir)/jpeglib.h $(includedir)/jpeglib.h
- $(INSTALL_DATA) $(srcdir)/jmorecfg.h $(includedir)/jmorecfg.h
- $(INSTALL_DATA) $(srcdir)/jerror.h $(includedir)/jerror.h
-
-clean:
- $(RM) *.o cjpeg djpeg libjpeg.a rdjpgcom wrjpgcom ansi2knr core testout.*
-
-distribute:
- $(RM) jpegsrc.tar*
- tar cvf jpegsrc.tar $(DISTFILES)
- compress -v jpegsrc.tar
-
-test: cjpeg djpeg
- $(RM) testout.ppm testout.gif testout.jpg
- ./djpeg -dct int -ppm -outfile testout.ppm testorig.jpg
- ./djpeg -dct int -gif -outfile testout.gif testorig.jpg
- ./cjpeg -dct int -outfile testout.jpg testimg.ppm
- cmp testimg.ppm testout.ppm
- cmp testimg.gif testout.gif
- cmp testimg.jpg testout.jpg
-
-check: test
-
-# GNU Make likes to know which target names are not really files to be made:
-.PHONY: all install install-lib clean distribute test check
-
-
-jcapi.o : jcapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jccoefct.o : jccoefct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jccolor.o : jccolor.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcdctmgr.o : jcdctmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jchuff.o : jchuff.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcmainct.o : jcmainct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcmarker.o : jcmarker.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcmaster.o : jcmaster.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcomapi.o : jcomapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcparam.o : jcparam.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcprepct.o : jcprepct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcsample.o : jcsample.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdapi.o : jdapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdatasrc.o : jdatasrc.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h
-jdatadst.o : jdatadst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h
-jdcoefct.o : jdcoefct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdcolor.o : jdcolor.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jddctmgr.o : jddctmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jdhuff.o : jdhuff.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmainct.o : jdmainct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmarker.o : jdmarker.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmaster.o : jdmaster.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdpostct.o : jdpostct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdsample.o : jdsample.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jerror.o : jerror.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jversion.h jerror.h
-jutils.o : jutils.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jfdctfst.o : jfdctfst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jfdctflt.o : jfdctflt.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jfdctint.o : jfdctint.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctfst.o : jidctfst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctflt.o : jidctflt.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctint.o : jidctint.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctred.o : jidctred.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jquant1.o : jquant1.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jquant2.o : jquant2.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmerge.o : jdmerge.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jmemmgr.o : jmemmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemansi.o : jmemansi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemname.o : jmemname.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemnobs.o : jmemnobs.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemdos.o : jmemdos.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-cjpeg.o : cjpeg.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h jversion.h
-djpeg.o : djpeg.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h jversion.h
-rdcolmap.o : rdcolmap.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdppm.o : rdppm.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrppm.o : wrppm.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdgif.o : rdgif.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrgif.o : wrgif.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdtarga.o : rdtarga.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrtarga.o : wrtarga.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdbmp.o : rdbmp.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrbmp.o : wrbmp.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdrle.o : rdrle.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrrle.o : wrrle.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdjpgcom.o : rdjpgcom.c jinclude.h jconfig.h
-wrjpgcom.o : wrjpgcom.c jinclude.h jconfig.h
diff --git a/jpeg/makefile.bcc b/jpeg/makefile.bcc
deleted file mode 100644
index d76b229e08..0000000000
--- a/jpeg/makefile.bcc
+++ /dev/null
@@ -1,207 +0,0 @@
-# Makefile for Independent JPEG Group's software
-
-# This makefile is suitable for Borland C (Turbo C) on MS-DOS.
-# It is set up for Borland C++, revision 3.0 or later.
-# For older versions (pre-3.0), replace "-O2" with "-O -G -Z" in CFLAGS.
-# If you have an even older version of Turbo C, you may be able to make it
-# work by saying "CC= tcc" below. (Very early versions of Turbo C++,
-# like 1.01, are so buggy that you may as well forget it.)
-# Thanks to Tom Wright and Ge' Weijers for this file.
-
-# Read installation instructions before saying "make" !!
-
-# The name of your C compiler:
-CC= bcc
-
-# You may need to adjust these cc options:
-CFLAGS= -mm -w-par -O2
-# -mm selects medium memory model (near data, far code pointers)
-# -w-par suppresses warnings about unused function parameters
-# -O2 enables full code optimization (for pre-3.0 Borland C++, use -O -G -Z)
-# Generally, we recommend defining any configuration symbols in jconfig.h,
-# NOT via -D switches here.
-
-# Link-time cc options:
-LDFLAGS= -mm
-# memory model option here must match CFLAGS!
-
-# Put here the object file name for the correct system-dependent memory
-# manager file. For DOS, we recommend jmemdos.c and jmemdosa.asm.
-# If you change this, you'll need to modify the linker response file
-# name list, below, by hand!
-SYSDEPMEM= jmemdos.obj jmemdosa.obj
-
-# End of configurable options.
-
-
-# source files: JPEG library proper
-LIBSOURCES= jcapi.c jccoefct.c jccolor.c jcdctmgr.c jchuff.c jcmainct.c \
- jcmarker.c jcmaster.c jcomapi.c jcparam.c jcprepct.c jcsample.c \
- jdapi.c jdatasrc.c jdatadst.c jdcoefct.c jdcolor.c jddctmgr.c \
- jdhuff.c jdmainct.c jdmarker.c jdmaster.c jdpostct.c jdsample.c \
- jerror.c jutils.c jfdctfst.c jfdctflt.c jfdctint.c jidctfst.c \
- jidctflt.c jidctint.c jidctred.c jquant1.c jquant2.c jdmerge.c \
- jmemmgr.c jmemansi.c jmemname.c jmemnobs.c jmemdos.c
-# source files: cjpeg/djpeg applications, also rdjpgcom/wrjpgcom
-APPSOURCES= cjpeg.c djpeg.c rdcolmap.c rdppm.c wrppm.c rdgif.c wrgif.c \
- rdtarga.c wrtarga.c rdbmp.c wrbmp.c rdrle.c wrrle.c rdjpgcom.c \
- wrjpgcom.c
-SOURCES= $(LIBSOURCES) $(APPSOURCES)
-# files included by source files
-INCLUDES= jdct.h jerror.h jinclude.h jmemsys.h jmorecfg.h jpegint.h \
- jpeglib.h jversion.h cdjpeg.h cderror.h
-# documentation, test, and support files
-DOCS= README install.doc usage.doc cjpeg.1 djpeg.1 rdjpgcom.1 wrjpgcom.1 \
- example.c libjpeg.doc structure.doc coderules.doc filelist.doc \
- change.log
-MKFILES= configure makefile.auto makefile.ansi makefile.unix makefile.manx \
- makefile.sas makcjpeg.st makdjpeg.st makljpeg.st makefile.bcc \
- makefile.mc6 makefile.dj makefile.mms makefile.vms makvms.opt
-CONFIGFILES= jconfig.auto jconfig.manx jconfig.sas jconfig.st jconfig.bcc \
- jconfig.mc6 jconfig.dj jconfig.vms
-OTHERFILES= jconfig.doc ckconfig.c ansi2knr.c ansi2knr.1 jmemdosa.asm
-TESTFILES= testorig.jpg testimg.ppm testimg.gif testimg.jpg
-DISTFILES= $(DOCS) $(MKFILES) $(CONFIGFILES) $(SOURCES) $(INCLUDES) \
- $(OTHERFILES) $(TESTFILES)
-# library object files common to compression and decompression
-COMOBJECTS= jcomapi.obj jutils.obj jerror.obj jmemmgr.obj $(SYSDEPMEM)
-# compression library object files
-CLIBOBJECTS= jcapi.obj jcparam.obj jdatadst.obj jcmaster.obj jcmarker.obj \
- jcmainct.obj jcprepct.obj jccoefct.obj jccolor.obj jcsample.obj \
- jchuff.obj jcdctmgr.obj jfdctfst.obj jfdctflt.obj jfdctint.obj
-# decompression library object files
-DLIBOBJECTS= jdapi.obj jdatasrc.obj jdmaster.obj jdmarker.obj jdmainct.obj \
- jdcoefct.obj jdpostct.obj jddctmgr.obj jidctfst.obj jidctflt.obj \
- jidctint.obj jidctred.obj jdhuff.obj jdsample.obj jdcolor.obj \
- jquant1.obj jquant2.obj jdmerge.obj
-# These objectfiles are included in libjpeg.lib
-LIBOBJECTS= $(CLIBOBJECTS) $(DLIBOBJECTS) $(COMOBJECTS)
-# object files for cjpeg and djpeg applications (excluding library files)
-COBJECTS= cjpeg.obj rdppm.obj rdgif.obj rdtarga.obj rdrle.obj rdbmp.obj
-DOBJECTS= djpeg.obj wrppm.obj wrgif.obj wrtarga.obj wrrle.obj wrbmp.obj \
- rdcolmap.obj
-
-# need linker response file because file list > 128 chars
-RFILE= libjpeg.ans
-
-
-all: libjpeg.lib cjpeg.exe djpeg.exe rdjpgcom.exe wrjpgcom.exe
-
-libjpeg.lib: $(LIBOBJECTS) $(RFILE)
- del libjpeg.lib
- tlib @$(RFILE)
-
-# linker response file for building libjpeg.lib
-$(RFILE) : Makefile
- del $(RFILE)
- echo libjpeg.lib & >$(RFILE)
- echo +jcapi.obj +jcparam.obj +jdatadst.obj +jcmaster.obj & >>$(RFILE)
- echo +jcmarker.obj +jcmainct.obj +jcprepct.obj & >>$(RFILE)
- echo +jccoefct.obj +jccolor.obj +jcsample.obj +jchuff.obj & >>$(RFILE)
- echo +jcdctmgr.obj +jfdctfst.obj +jfdctflt.obj & >>$(RFILE)
- echo +jfdctint.obj +jdapi.obj +jdatasrc.obj +jdmaster.obj & >>$(RFILE)
- echo +jdmarker.obj +jdmainct.obj +jdcoefct.obj & >>$(RFILE)
- echo +jdpostct.obj +jddctmgr.obj +jidctfst.obj & >>$(RFILE)
- echo +jidctflt.obj +jidctint.obj +jidctred.obj +jdhuff.obj & >>$(RFILE)
- echo +jdsample.obj +jdcolor.obj +jquant1.obj +jquant2.obj & >>$(RFILE)
- echo +jdmerge.obj +jcomapi.obj +jutils.obj +jerror.obj & >>$(RFILE)
- echo +jmemmgr.obj +jmemdos.obj +jmemdosa.obj >>$(RFILE)
-
-cjpeg.exe: $(COBJECTS) libjpeg.lib
- $(CC) $(LDFLAGS) -ecjpeg.exe $(COBJECTS) libjpeg.lib
-
-djpeg.exe: $(DOBJECTS) libjpeg.lib
- $(CC) $(LDFLAGS) -edjpeg.exe $(DOBJECTS) libjpeg.lib
-
-rdjpgcom.exe: rdjpgcom.c
- $(CC) -ms -O rdjpgcom.c
-
-# wrjpgcom needs large model so it can malloc a 64K chunk
-wrjpgcom.exe: wrjpgcom.c
- $(CC) -ml -O wrjpgcom.c
-
-.c.obj:
- $(CC) $(CFLAGS) -c $<
-
-jconfig.h: jconfig.doc
- echo You must prepare a system-dependent jconfig.h file.
- echo Please read the installation directions in install.doc.
- exit 1
-
-clean:
- del *.obj
- del libjpeg.lib
- del cjpeg.exe
- del djpeg.exe
- del rdjpgcom.exe
- del wrjpgcom.exe
- del testout.*
-
-test: cjpeg.exe djpeg.exe
- del testout.*
- djpeg -dct int -ppm -outfile testout.ppm testorig.jpg
- djpeg -dct int -gif -outfile testout.gif testorig.jpg
- cjpeg -dct int -outfile testout.jpg testimg.ppm
- fc /b testimg.ppm testout.ppm
- fc /b testimg.gif testout.gif
- fc /b testimg.jpg testout.jpg
-
-
-jcapi.obj : jcapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jccoefct.obj : jccoefct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jccolor.obj : jccolor.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcdctmgr.obj : jcdctmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jchuff.obj : jchuff.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcmainct.obj : jcmainct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcmarker.obj : jcmarker.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcmaster.obj : jcmaster.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcomapi.obj : jcomapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcparam.obj : jcparam.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcprepct.obj : jcprepct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcsample.obj : jcsample.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdapi.obj : jdapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdatasrc.obj : jdatasrc.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h
-jdatadst.obj : jdatadst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h
-jdcoefct.obj : jdcoefct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdcolor.obj : jdcolor.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jddctmgr.obj : jddctmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jdhuff.obj : jdhuff.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmainct.obj : jdmainct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmarker.obj : jdmarker.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmaster.obj : jdmaster.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdpostct.obj : jdpostct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdsample.obj : jdsample.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jerror.obj : jerror.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jversion.h jerror.h
-jutils.obj : jutils.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jfdctfst.obj : jfdctfst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jfdctflt.obj : jfdctflt.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jfdctint.obj : jfdctint.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctfst.obj : jidctfst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctflt.obj : jidctflt.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctint.obj : jidctint.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctred.obj : jidctred.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jquant1.obj : jquant1.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jquant2.obj : jquant2.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmerge.obj : jdmerge.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jmemmgr.obj : jmemmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemansi.obj : jmemansi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemname.obj : jmemname.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemnobs.obj : jmemnobs.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemdos.obj : jmemdos.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-cjpeg.obj : cjpeg.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h jversion.h
-djpeg.obj : djpeg.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h jversion.h
-rdcolmap.obj : rdcolmap.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdppm.obj : rdppm.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrppm.obj : wrppm.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdgif.obj : rdgif.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrgif.obj : wrgif.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdtarga.obj : rdtarga.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrtarga.obj : wrtarga.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdbmp.obj : rdbmp.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrbmp.obj : wrbmp.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdrle.obj : rdrle.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrrle.obj : wrrle.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdjpgcom.obj : rdjpgcom.c jinclude.h jconfig.h
-wrjpgcom.obj : wrjpgcom.c jinclude.h jconfig.h
-jmemdosa.obj : jmemdosa.asm
- tasm /mx jmemdosa.asm
diff --git a/jpeg/makefile.dj b/jpeg/makefile.dj
deleted file mode 100644
index 3988f80f57..0000000000
--- a/jpeg/makefile.dj
+++ /dev/null
@@ -1,200 +0,0 @@
-# Makefile for Independent JPEG Group's software
-
-# This makefile is for DJGPP (Delorie's GNU C port) on MS-DOS.
-# Say "make exe" to get stub-style .exe's, or
-# "make standalone" to get standalone .exe's.
-
-# Read installation instructions before saying "make" !!
-
-# To do "make standalone", you'll need to be sure this points to go32.exe:
-GO32= d:/djgpp/bin/go32.exe
-
-# The name of your C compiler:
-CC= gcc
-
-# You may need to adjust these cc options:
-CFLAGS= -O2 -Wall
-# Generally, we recommend defining any configuration symbols in jconfig.h,
-# NOT via -D switches here.
-
-# Link-time cc options:
-LDFLAGS=
-
-# To link any special libraries, add the necessary -l commands here.
-LDLIBS=
-
-# Put here the object file name for the correct system-dependent memory
-# manager file. For DJGPP this is usually jmemnobs.o, but you could
-# use jmemname.o if you want to use named temp files instead of swap space.
-SYSDEPMEM= jmemnobs.o
-
-# miscellaneous OS-dependent stuff
-# linker
-LN= $(CC)
-# file deletion command
-RM= del
-# library (.a) file creation command
-AR= ar rc
-# second step in .a creation (use "touch" if not needed)
-AR2= ranlib
-
-# End of configurable options.
-
-
-# source files: JPEG library proper
-LIBSOURCES= jcapi.c jccoefct.c jccolor.c jcdctmgr.c jchuff.c jcmainct.c \
- jcmarker.c jcmaster.c jcomapi.c jcparam.c jcprepct.c jcsample.c \
- jdapi.c jdatasrc.c jdatadst.c jdcoefct.c jdcolor.c jddctmgr.c \
- jdhuff.c jdmainct.c jdmarker.c jdmaster.c jdpostct.c jdsample.c \
- jerror.c jutils.c jfdctfst.c jfdctflt.c jfdctint.c jidctfst.c \
- jidctflt.c jidctint.c jidctred.c jquant1.c jquant2.c jdmerge.c \
- jmemmgr.c jmemansi.c jmemname.c jmemnobs.c jmemdos.c
-# source files: cjpeg/djpeg applications, also rdjpgcom/wrjpgcom
-APPSOURCES= cjpeg.c djpeg.c rdcolmap.c rdppm.c wrppm.c rdgif.c wrgif.c \
- rdtarga.c wrtarga.c rdbmp.c wrbmp.c rdrle.c wrrle.c rdjpgcom.c \
- wrjpgcom.c
-SOURCES= $(LIBSOURCES) $(APPSOURCES)
-# files included by source files
-INCLUDES= jdct.h jerror.h jinclude.h jmemsys.h jmorecfg.h jpegint.h \
- jpeglib.h jversion.h cdjpeg.h cderror.h
-# documentation, test, and support files
-DOCS= README install.doc usage.doc cjpeg.1 djpeg.1 rdjpgcom.1 wrjpgcom.1 \
- example.c libjpeg.doc structure.doc coderules.doc filelist.doc \
- change.log
-MKFILES= configure makefile.auto makefile.ansi makefile.unix makefile.manx \
- makefile.sas makcjpeg.st makdjpeg.st makljpeg.st makefile.bcc \
- makefile.mc6 makefile.dj makefile.mms makefile.vms makvms.opt
-CONFIGFILES= jconfig.auto jconfig.manx jconfig.sas jconfig.st jconfig.bcc \
- jconfig.mc6 jconfig.dj jconfig.vms
-OTHERFILES= jconfig.doc ckconfig.c ansi2knr.c ansi2knr.1 jmemdosa.asm
-TESTFILES= testorig.jpg testimg.ppm testimg.gif testimg.jpg
-DISTFILES= $(DOCS) $(MKFILES) $(CONFIGFILES) $(SOURCES) $(INCLUDES) \
- $(OTHERFILES) $(TESTFILES)
-# library object files common to compression and decompression
-COMOBJECTS= jcomapi.o jutils.o jerror.o jmemmgr.o $(SYSDEPMEM)
-# compression library object files
-CLIBOBJECTS= jcapi.o jcparam.o jdatadst.o jcmaster.o jcmarker.o jcmainct.o \
- jcprepct.o jccoefct.o jccolor.o jcsample.o jchuff.o jcdctmgr.o \
- jfdctfst.o jfdctflt.o jfdctint.o
-# decompression library object files
-DLIBOBJECTS= jdapi.o jdatasrc.o jdmaster.o jdmarker.o jdmainct.o jdcoefct.o \
- jdpostct.o jddctmgr.o jidctfst.o jidctflt.o jidctint.o jidctred.o \
- jdhuff.o jdsample.o jdcolor.o jquant1.o jquant2.o jdmerge.o
-# These objectfiles are included in libjpeg.a
-LIBOBJECTS= $(CLIBOBJECTS) $(DLIBOBJECTS) $(COMOBJECTS)
-# object files for cjpeg and djpeg applications (excluding library files)
-COBJECTS= cjpeg.o rdppm.o rdgif.o rdtarga.o rdrle.o rdbmp.o
-DOBJECTS= djpeg.o wrppm.o wrgif.o wrtarga.o wrrle.o wrbmp.o rdcolmap.o
-
-
-all: libjpeg.a cjpeg djpeg rdjpgcom wrjpgcom
-
-libjpeg.a: $(LIBOBJECTS)
- $(RM) libjpeg.a
- $(AR) libjpeg.a $(LIBOBJECTS)
- $(AR2) libjpeg.a
-
-cjpeg: $(COBJECTS) libjpeg.a
- $(LN) $(LDFLAGS) -o cjpeg $(COBJECTS) libjpeg.a $(LDLIBS)
-
-djpeg: $(DOBJECTS) libjpeg.a
- $(LN) $(LDFLAGS) -o djpeg $(DOBJECTS) libjpeg.a $(LDLIBS)
-
-rdjpgcom: rdjpgcom.o
- $(LN) $(LDFLAGS) -o rdjpgcom rdjpgcom.o $(LDLIBS)
-
-wrjpgcom: wrjpgcom.o
- $(LN) $(LDFLAGS) -o wrjpgcom wrjpgcom.o $(LDLIBS)
-
-exe: cjpeg djpeg rdjpgcom wrjpgcom
- coff2exe cjpeg
- coff2exe djpeg
- coff2exe rdjpgcom
- coff2exe wrjpgcom
-
-standalone: cjpeg djpeg rdjpgcom wrjpgcom
- coff2exe -s $(GO32) cjpeg
- coff2exe -s $(GO32) djpeg
- coff2exe -s $(GO32) rdjpgcom
- coff2exe -s $(GO32) wrjpgcom
-
-jconfig.h: jconfig.doc
- echo You must prepare a system-dependent jconfig.h file.
- echo Please read the installation directions in install.doc.
- exit 1
-
-clean:
- $(RM) *.o
- $(RM) cjpeg
- $(RM) djpeg
- $(RM) rdjpgcom
- $(RM) wrjpgcom
- $(RM) libjpeg.a
- $(RM) testout.*
-
-test: cjpeg djpeg
- $(RM) testout.*
- go32 djpeg -dct int -ppm -outfile testout.ppm testorig.jpg
- go32 djpeg -dct int -gif -outfile testout.gif testorig.jpg
- go32 cjpeg -dct int -outfile testout.jpg testimg.ppm
- fc /b testimg.ppm testout.ppm
- fc /b testimg.gif testout.gif
- fc /b testimg.jpg testout.jpg
-
-
-jcapi.o : jcapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jccoefct.o : jccoefct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jccolor.o : jccolor.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcdctmgr.o : jcdctmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jchuff.o : jchuff.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcmainct.o : jcmainct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcmarker.o : jcmarker.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcmaster.o : jcmaster.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcomapi.o : jcomapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcparam.o : jcparam.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcprepct.o : jcprepct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcsample.o : jcsample.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdapi.o : jdapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdatasrc.o : jdatasrc.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h
-jdatadst.o : jdatadst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h
-jdcoefct.o : jdcoefct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdcolor.o : jdcolor.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jddctmgr.o : jddctmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jdhuff.o : jdhuff.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmainct.o : jdmainct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmarker.o : jdmarker.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmaster.o : jdmaster.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdpostct.o : jdpostct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdsample.o : jdsample.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jerror.o : jerror.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jversion.h jerror.h
-jutils.o : jutils.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jfdctfst.o : jfdctfst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jfdctflt.o : jfdctflt.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jfdctint.o : jfdctint.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctfst.o : jidctfst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctflt.o : jidctflt.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctint.o : jidctint.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctred.o : jidctred.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jquant1.o : jquant1.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jquant2.o : jquant2.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmerge.o : jdmerge.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jmemmgr.o : jmemmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemansi.o : jmemansi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemname.o : jmemname.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemnobs.o : jmemnobs.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemdos.o : jmemdos.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-cjpeg.o : cjpeg.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h jversion.h
-djpeg.o : djpeg.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h jversion.h
-rdcolmap.o : rdcolmap.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdppm.o : rdppm.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrppm.o : wrppm.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdgif.o : rdgif.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrgif.o : wrgif.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdtarga.o : rdtarga.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrtarga.o : wrtarga.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdbmp.o : rdbmp.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrbmp.o : wrbmp.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdrle.o : rdrle.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrrle.o : wrrle.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdjpgcom.o : rdjpgcom.c jinclude.h jconfig.h
-wrjpgcom.o : wrjpgcom.c jinclude.h jconfig.h
diff --git a/jpeg/makefile.manx b/jpeg/makefile.manx
deleted file mode 100644
index 28773b3871..0000000000
--- a/jpeg/makefile.manx
+++ /dev/null
@@ -1,178 +0,0 @@
-# Makefile for Independent JPEG Group's software
-
-# This makefile is for Amiga systems using Manx Aztec C ver 5.x.
-# Thanks to D.J. James (djjames@cup.portal.com) for this version.
-
-# Read installation instructions before saying "make" !!
-
-# The name of your C compiler:
-CC= cc
-
-# You may need to adjust these cc options:
-# Uncomment for generic 68000 code (will work on any Amiga)
-ARCHFLAGS= -sn
-
-# Uncomment for 68020/68030 code (faster, but won't run on 68000 CPU)
-#ARCHFLAGS= -c2
-
-CFLAGS= -MC -MD $(ARCHFLAGS) -spfam -r4
-
-# Link-time cc options:
-LDFLAGS= -g
-
-# To link any special libraries, add the necessary -l commands here.
-LDLIBS= -lml -lcl
-
-# Put here the object file name for the correct system-dependent memory
-# manager file. For Amiga we recommend jmemname.o.
-SYSDEPMEM= jmemname.o
-
-# miscellaneous OS-dependent stuff
-# linker
-LN= ln
-# file deletion command
-RM= delete quiet
-# library (.lib) file creation command
-AR= lb
-
-# End of configurable options.
-
-
-# source files: JPEG library proper
-LIBSOURCES= jcapi.c jccoefct.c jccolor.c jcdctmgr.c jchuff.c jcmainct.c \
- jcmarker.c jcmaster.c jcomapi.c jcparam.c jcprepct.c jcsample.c \
- jdapi.c jdatasrc.c jdatadst.c jdcoefct.c jdcolor.c jddctmgr.c \
- jdhuff.c jdmainct.c jdmarker.c jdmaster.c jdpostct.c jdsample.c \
- jerror.c jutils.c jfdctfst.c jfdctflt.c jfdctint.c jidctfst.c \
- jidctflt.c jidctint.c jidctred.c jquant1.c jquant2.c jdmerge.c \
- jmemmgr.c jmemansi.c jmemname.c jmemnobs.c jmemdos.c
-# source files: cjpeg/djpeg applications, also rdjpgcom/wrjpgcom
-APPSOURCES= cjpeg.c djpeg.c rdcolmap.c rdppm.c wrppm.c rdgif.c wrgif.c \
- rdtarga.c wrtarga.c rdbmp.c wrbmp.c rdrle.c wrrle.c rdjpgcom.c \
- wrjpgcom.c
-SOURCES= $(LIBSOURCES) $(APPSOURCES)
-# files included by source files
-INCLUDES= jdct.h jerror.h jinclude.h jmemsys.h jmorecfg.h jpegint.h \
- jpeglib.h jversion.h cdjpeg.h cderror.h
-# documentation, test, and support files
-DOCS= README install.doc usage.doc cjpeg.1 djpeg.1 rdjpgcom.1 wrjpgcom.1 \
- example.c libjpeg.doc structure.doc coderules.doc filelist.doc \
- change.log
-MKFILES= configure makefile.auto makefile.ansi makefile.unix makefile.manx \
- makefile.sas makcjpeg.st makdjpeg.st makljpeg.st makefile.bcc \
- makefile.mc6 makefile.dj makefile.mms makefile.vms makvms.opt
-CONFIGFILES= jconfig.auto jconfig.manx jconfig.sas jconfig.st jconfig.bcc \
- jconfig.mc6 jconfig.dj jconfig.vms
-OTHERFILES= jconfig.doc ckconfig.c ansi2knr.c ansi2knr.1 jmemdosa.asm
-TESTFILES= testorig.jpg testimg.ppm testimg.gif testimg.jpg
-DISTFILES= $(DOCS) $(MKFILES) $(CONFIGFILES) $(SOURCES) $(INCLUDES) \
- $(OTHERFILES) $(TESTFILES)
-# library object files common to compression and decompression
-COMOBJECTS= jcomapi.o jutils.o jerror.o jmemmgr.o $(SYSDEPMEM)
-# compression library object files
-CLIBOBJECTS= jcapi.o jcparam.o jdatadst.o jcmaster.o jcmarker.o jcmainct.o \
- jcprepct.o jccoefct.o jccolor.o jcsample.o jchuff.o jcdctmgr.o \
- jfdctfst.o jfdctflt.o jfdctint.o
-# decompression library object files
-DLIBOBJECTS= jdapi.o jdatasrc.o jdmaster.o jdmarker.o jdmainct.o jdcoefct.o \
- jdpostct.o jddctmgr.o jidctfst.o jidctflt.o jidctint.o jidctred.o \
- jdhuff.o jdsample.o jdcolor.o jquant1.o jquant2.o jdmerge.o
-# These objectfiles are included in libjpeg.lib
-LIBOBJECTS= $(CLIBOBJECTS) $(DLIBOBJECTS) $(COMOBJECTS)
-# object files for cjpeg and djpeg applications (excluding library files)
-COBJECTS= cjpeg.o rdppm.o rdgif.o rdtarga.o rdrle.o rdbmp.o
-DOBJECTS= djpeg.o wrppm.o wrgif.o wrtarga.o wrrle.o wrbmp.o rdcolmap.o
-
-
-all: libjpeg.lib cjpeg djpeg rdjpgcom wrjpgcom
-
-libjpeg.lib: $(LIBOBJECTS)
- -$(RM) libjpeg.lib
- $(AR) libjpeg.lib $(LIBOBJECTS)
-
-cjpeg: $(COBJECTS) libjpeg.lib
- $(LN) $(LDFLAGS) -o cjpeg $(COBJECTS) libjpeg.lib $(LDLIBS)
-
-djpeg: $(DOBJECTS) libjpeg.lib
- $(LN) $(LDFLAGS) -o djpeg $(DOBJECTS) libjpeg.lib $(LDLIBS)
-
-rdjpgcom: rdjpgcom.o
- $(LN) $(LDFLAGS) -o rdjpgcom rdjpgcom.o $(LDLIBS)
-
-wrjpgcom: wrjpgcom.o
- $(LN) $(LDFLAGS) -o wrjpgcom wrjpgcom.o $(LDLIBS)
-
-jconfig.h: jconfig.doc
- echo You must prepare a system-dependent jconfig.h file.
- echo Please read the installation directions in install.doc.
- exit 1
-
-clean:
- -$(RM) *.o cjpeg djpeg libjpeg.lib rdjpgcom wrjpgcom core testout.*
-
-test: cjpeg djpeg
- -$(RM) testout.ppm testout.gif testout.jpg
- djpeg -dct int -ppm -outfile testout.ppm testorig.jpg
- djpeg -dct int -gif -outfile testout.gif testorig.jpg
- cjpeg -dct int -outfile testout.jpg testimg.ppm
- cmp testimg.ppm testout.ppm
- cmp testimg.gif testout.gif
- cmp testimg.jpg testout.jpg
-
-
-jcapi.o : jcapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jccoefct.o : jccoefct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jccolor.o : jccolor.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcdctmgr.o : jcdctmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jchuff.o : jchuff.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcmainct.o : jcmainct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcmarker.o : jcmarker.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcmaster.o : jcmaster.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcomapi.o : jcomapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcparam.o : jcparam.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcprepct.o : jcprepct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcsample.o : jcsample.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdapi.o : jdapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdatasrc.o : jdatasrc.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h
-jdatadst.o : jdatadst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h
-jdcoefct.o : jdcoefct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdcolor.o : jdcolor.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jddctmgr.o : jddctmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jdhuff.o : jdhuff.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmainct.o : jdmainct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmarker.o : jdmarker.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmaster.o : jdmaster.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdpostct.o : jdpostct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdsample.o : jdsample.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jerror.o : jerror.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jversion.h jerror.h
-jutils.o : jutils.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jfdctfst.o : jfdctfst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jfdctflt.o : jfdctflt.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jfdctint.o : jfdctint.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctfst.o : jidctfst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctflt.o : jidctflt.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctint.o : jidctint.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctred.o : jidctred.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jquant1.o : jquant1.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jquant2.o : jquant2.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmerge.o : jdmerge.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jmemmgr.o : jmemmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemansi.o : jmemansi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemname.o : jmemname.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemnobs.o : jmemnobs.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemdos.o : jmemdos.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-cjpeg.o : cjpeg.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h jversion.h
-djpeg.o : djpeg.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h jversion.h
-rdcolmap.o : rdcolmap.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdppm.o : rdppm.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrppm.o : wrppm.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdgif.o : rdgif.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrgif.o : wrgif.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdtarga.o : rdtarga.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrtarga.o : wrtarga.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdbmp.o : rdbmp.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrbmp.o : wrbmp.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdrle.o : rdrle.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrrle.o : wrrle.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdjpgcom.o : rdjpgcom.c jinclude.h jconfig.h
-wrjpgcom.o : wrjpgcom.c jinclude.h jconfig.h
diff --git a/jpeg/makefile.mc6 b/jpeg/makefile.mc6
deleted file mode 100644
index 8b800b789b..0000000000
--- a/jpeg/makefile.mc6
+++ /dev/null
@@ -1,196 +0,0 @@
-# Makefile for Independent JPEG Group's software
-
-# This makefile is for Microsoft C for MS-DOS, version 6.00A and up.
-# Use NMAKE, not Microsoft's brain-damaged MAKE.
-# Thanks to Alan Wright and Chris Turner of Olivetti Research Ltd.
-
-# Read installation instructions before saying "nmake" !!
-
-# You may need to adjust these compiler options:
-CFLAGS = -AM -Oecigt -Gs -W3
-# -AM medium memory model (or use -AS for small model, if you remove features)
-# -Oecigt -Gs maximum safe optimisation (-Ol has bugs in MSC 6.00A)
-# -W3 warning level 3
-# You might also want to add -G2 if you have an 80286, etc.
-# Generally, we recommend defining any configuration symbols in jconfig.h,
-# NOT via -D switches here.
-
-# Put here the object file name for the correct system-dependent memory
-# manager file. For DOS, we recommend jmemdos.c and jmemdosa.asm.
-# If you change this, you'll need to modify the linker response file
-# name list, below, by hand!
-SYSDEPMEM= jmemdos.obj jmemdosa.obj
-
-# End of configurable options.
-
-
-# source files: JPEG library proper
-LIBSOURCES= jcapi.c jccoefct.c jccolor.c jcdctmgr.c jchuff.c jcmainct.c \
- jcmarker.c jcmaster.c jcomapi.c jcparam.c jcprepct.c jcsample.c \
- jdapi.c jdatasrc.c jdatadst.c jdcoefct.c jdcolor.c jddctmgr.c \
- jdhuff.c jdmainct.c jdmarker.c jdmaster.c jdpostct.c jdsample.c \
- jerror.c jutils.c jfdctfst.c jfdctflt.c jfdctint.c jidctfst.c \
- jidctflt.c jidctint.c jidctred.c jquant1.c jquant2.c jdmerge.c \
- jmemmgr.c jmemansi.c jmemname.c jmemnobs.c jmemdos.c
-# source files: cjpeg/djpeg applications, also rdjpgcom/wrjpgcom
-APPSOURCES= cjpeg.c djpeg.c rdcolmap.c rdppm.c wrppm.c rdgif.c wrgif.c \
- rdtarga.c wrtarga.c rdbmp.c wrbmp.c rdrle.c wrrle.c rdjpgcom.c \
- wrjpgcom.c
-SOURCES= $(LIBSOURCES) $(APPSOURCES)
-# files included by source files
-INCLUDES= jdct.h jerror.h jinclude.h jmemsys.h jmorecfg.h jpegint.h \
- jpeglib.h jversion.h cdjpeg.h cderror.h
-# documentation, test, and support files
-DOCS= README install.doc usage.doc cjpeg.1 djpeg.1 rdjpgcom.1 wrjpgcom.1 \
- example.c libjpeg.doc structure.doc coderules.doc filelist.doc \
- change.log
-MKFILES= configure makefile.auto makefile.ansi makefile.unix makefile.manx \
- makefile.sas makcjpeg.st makdjpeg.st makljpeg.st makefile.bcc \
- makefile.mc6 makefile.dj makefile.mms makefile.vms makvms.opt
-CONFIGFILES= jconfig.auto jconfig.manx jconfig.sas jconfig.st jconfig.bcc \
- jconfig.mc6 jconfig.dj jconfig.vms
-OTHERFILES= jconfig.doc ckconfig.c ansi2knr.c ansi2knr.1 jmemdosa.asm
-TESTFILES= testorig.jpg testimg.ppm testimg.gif testimg.jpg
-DISTFILES= $(DOCS) $(MKFILES) $(CONFIGFILES) $(SOURCES) $(INCLUDES) \
- $(OTHERFILES) $(TESTFILES)
-# library object files common to compression and decompression
-COMOBJECTS= jcomapi.obj jutils.obj jerror.obj jmemmgr.obj $(SYSDEPMEM)
-# compression library object files
-CLIBOBJECTS= jcapi.obj jcparam.obj jdatadst.obj jcmaster.obj jcmarker.obj \
- jcmainct.obj jcprepct.obj jccoefct.obj jccolor.obj jcsample.obj \
- jchuff.obj jcdctmgr.obj jfdctfst.obj jfdctflt.obj jfdctint.obj
-# decompression library object files
-DLIBOBJECTS= jdapi.obj jdatasrc.obj jdmaster.obj jdmarker.obj jdmainct.obj \
- jdcoefct.obj jdpostct.obj jddctmgr.obj jidctfst.obj jidctflt.obj \
- jidctint.obj jidctred.obj jdhuff.obj jdsample.obj jdcolor.obj \
- jquant1.obj jquant2.obj jdmerge.obj
-# These objectfiles are included in libjpeg.lib
-LIBOBJECTS= $(CLIBOBJECTS) $(DLIBOBJECTS) $(COMOBJECTS)
-# object files for cjpeg and djpeg applications (excluding library files)
-COBJECTS= cjpeg.obj rdppm.obj rdgif.obj rdtarga.obj rdrle.obj rdbmp.obj
-DOBJECTS= djpeg.obj wrppm.obj wrgif.obj wrtarga.obj wrrle.obj wrbmp.obj \
- rdcolmap.obj
-
-# need linker response file because file list > 128 chars
-RFILE = libjpeg.ans
-
-
-all: libjpeg.lib cjpeg.exe djpeg.exe rdjpgcom.exe wrjpgcom.exe
-
-libjpeg.lib: $(LIBOBJECTS) $(RFILE)
- del libjpeg.lib
- lib @$(RFILE) ;
-
-# linker response file for building libjpeg.lib
-$(RFILE) : Makefile
- del $(RFILE)
- echo libjpeg.lib >$(RFILE)
-# silly want-to-create-it prompt:
- echo y >>$(RFILE)
- echo +jcapi.obj +jcparam.obj +jdatadst.obj +jcmaster.obj & >>$(RFILE)
- echo +jcmarker.obj +jcmainct.obj +jcprepct.obj & >>$(RFILE)
- echo +jccoefct.obj +jccolor.obj +jcsample.obj +jchuff.obj & >>$(RFILE)
- echo +jcdctmgr.obj +jfdctfst.obj +jfdctflt.obj & >>$(RFILE)
- echo +jfdctint.obj +jdapi.obj +jdatasrc.obj +jdmaster.obj & >>$(RFILE)
- echo +jdmarker.obj +jdmainct.obj +jdcoefct.obj & >>$(RFILE)
- echo +jdpostct.obj +jddctmgr.obj +jidctfst.obj & >>$(RFILE)
- echo +jidctflt.obj +jidctint.obj +jidctred.obj +jdhuff.obj & >>$(RFILE)
- echo +jdsample.obj +jdcolor.obj +jquant1.obj +jquant2.obj & >>$(RFILE)
- echo +jdmerge.obj +jcomapi.obj +jutils.obj +jerror.obj & >>$(RFILE)
- echo +jmemmgr.obj +jmemdos.obj +jmemdosa.obj >>$(RFILE)
-
-cjpeg.exe: $(COBJECTS) libjpeg.lib
- link /STACK:4096 /EXEPACK $(COBJECTS), cjpeg.exe, , libjpeg.lib, ;
-
-djpeg.exe: $(DOBJECTS) libjpeg.lib
- link /STACK:4096 /EXEPACK $(DOBJECTS), djpeg.exe, , libjpeg.lib, ;
-
-rdjpgcom.exe: rdjpgcom.c
- $(CC) -AS -O -W3 rdjpgcom.c
-
-# wrjpgcom needs large model so it can malloc a 64K chunk
-wrjpgcom.exe: wrjpgcom.c
- $(CC) -AL -O -W3 wrjpgcom.c
-
-jconfig.h: jconfig.doc
- echo You must prepare a system-dependent jconfig.h file.
- echo Please read the installation directions in install.doc.
- exit 1
-
-clean:
- del *.obj
- del libjpeg.lib
- del cjpeg.exe
- del djpeg.exe
- del rdjpgcom.exe
- del wrjpgcom.exe
- del testout.*
-
-test: cjpeg.exe djpeg.exe
- del testout.*
- djpeg -dct int -ppm -outfile testout.ppm testorig.jpg
- djpeg -dct int -gif -outfile testout.gif testorig.jpg
- cjpeg -dct int -outfile testout.jpg testimg.ppm
- fc /b testimg.ppm testout.ppm
- fc /b testimg.gif testout.gif
- fc /b testimg.jpg testout.jpg
-
-
-jcapi.obj : jcapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jccoefct.obj : jccoefct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jccolor.obj : jccolor.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcdctmgr.obj : jcdctmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jchuff.obj : jchuff.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcmainct.obj : jcmainct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcmarker.obj : jcmarker.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcmaster.obj : jcmaster.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcomapi.obj : jcomapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcparam.obj : jcparam.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcprepct.obj : jcprepct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcsample.obj : jcsample.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdapi.obj : jdapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdatasrc.obj : jdatasrc.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h
-jdatadst.obj : jdatadst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h
-jdcoefct.obj : jdcoefct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdcolor.obj : jdcolor.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jddctmgr.obj : jddctmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jdhuff.obj : jdhuff.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmainct.obj : jdmainct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmarker.obj : jdmarker.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmaster.obj : jdmaster.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdpostct.obj : jdpostct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdsample.obj : jdsample.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jerror.obj : jerror.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jversion.h jerror.h
-jutils.obj : jutils.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jfdctfst.obj : jfdctfst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jfdctflt.obj : jfdctflt.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jfdctint.obj : jfdctint.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctfst.obj : jidctfst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctflt.obj : jidctflt.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctint.obj : jidctint.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctred.obj : jidctred.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jquant1.obj : jquant1.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jquant2.obj : jquant2.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmerge.obj : jdmerge.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jmemmgr.obj : jmemmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemansi.obj : jmemansi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemname.obj : jmemname.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemnobs.obj : jmemnobs.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemdos.obj : jmemdos.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-cjpeg.obj : cjpeg.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h jversion.h
-djpeg.obj : djpeg.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h jversion.h
-rdcolmap.obj : rdcolmap.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdppm.obj : rdppm.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrppm.obj : wrppm.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdgif.obj : rdgif.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrgif.obj : wrgif.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdtarga.obj : rdtarga.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrtarga.obj : wrtarga.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdbmp.obj : rdbmp.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrbmp.obj : wrbmp.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdrle.obj : rdrle.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrrle.obj : wrrle.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdjpgcom.obj : rdjpgcom.c jinclude.h jconfig.h
-wrjpgcom.obj : wrjpgcom.c jinclude.h jconfig.h
-jmemdosa.obj : jmemdosa.asm
- masm /mx $*;
diff --git a/jpeg/makefile.mms b/jpeg/makefile.mms
deleted file mode 100644
index 0866c607ab..0000000000
--- a/jpeg/makefile.mms
+++ /dev/null
@@ -1,181 +0,0 @@
-# Makefile for Independent JPEG Group's software
-
-# This makefile is for use with MMS on Digital VMS systems.
-# Thanks to Rick Dyson (dyson@iowasp.physics.uiowa.edu)
-# and Tim Bell (tbell@netcom.com) for their help.
-
-# Read installation instructions before saying "MMS" !!
-
-# You may need to adjust these cc options:
-CFLAGS= $(CFLAGS) /NoDebug /Optimize
-# Generally, we recommend defining any configuration symbols in jconfig.h,
-# NOT via /Define switches here.
-.ifdef ALPHA
-OPT=
-.else
-OPT= ,Sys$Disk:[]MAKVMS.OPT/Option
-.endif
-
-# Put here the object file name for the correct system-dependent memory
-# manager file. For Unix this is usually jmemnobs.o, but you may want
-# to use jmemansi.o or jmemname.o if you have limited swap space.
-SYSDEPMEM= jmemnobs.obj
-
-# End of configurable options.
-
-
-# source files: JPEG library proper
-LIBSOURCES= jcapi.c jccoefct.c jccolor.c jcdctmgr.c jchuff.c jcmainct.c \
- jcmarker.c jcmaster.c jcomapi.c jcparam.c jcprepct.c jcsample.c \
- jdapi.c jdatasrc.c jdatadst.c jdcoefct.c jdcolor.c jddctmgr.c \
- jdhuff.c jdmainct.c jdmarker.c jdmaster.c jdpostct.c jdsample.c \
- jerror.c jutils.c jfdctfst.c jfdctflt.c jfdctint.c jidctfst.c \
- jidctflt.c jidctint.c jidctred.c jquant1.c jquant2.c jdmerge.c \
- jmemmgr.c jmemansi.c jmemname.c jmemnobs.c jmemdos.c
-# source files: cjpeg/djpeg applications, also rdjpgcom/wrjpgcom
-APPSOURCES= cjpeg.c djpeg.c rdcolmap.c rdppm.c wrppm.c rdgif.c wrgif.c \
- rdtarga.c wrtarga.c rdbmp.c wrbmp.c rdrle.c wrrle.c rdjpgcom.c \
- wrjpgcom.c
-SOURCES= $(LIBSOURCES) $(APPSOURCES)
-# files included by source files
-INCLUDES= jdct.h jerror.h jinclude.h jmemsys.h jmorecfg.h jpegint.h \
- jpeglib.h jversion.h cdjpeg.h cderror.h
-# documentation, test, and support files
-DOCS= README install.doc usage.doc cjpeg.1 djpeg.1 rdjpgcom.1 wrjpgcom.1 \
- example.c libjpeg.doc structure.doc coderules.doc filelist.doc \
- change.log
-MKFILES= configure makefile.auto makefile.ansi makefile.unix makefile.manx \
- makefile.sas makcjpeg.st makdjpeg.st makljpeg.st makefile.bcc \
- makefile.mc6 makefile.dj makefile.mms makefile.vms makvms.opt
-CONFIGFILES= jconfig.auto jconfig.manx jconfig.sas jconfig.st jconfig.bcc \
- jconfig.mc6 jconfig.dj jconfig.vms
-OTHERFILES= jconfig.doc ckconfig.c ansi2knr.c ansi2knr.1 jmemdosa.asm
-TESTFILES= testorig.jpg testimg.ppm testimg.gif testimg.jpg
-DISTFILES= $(DOCS) $(MKFILES) $(CONFIGFILES) $(SOURCES) $(INCLUDES) \
- $(OTHERFILES) $(TESTFILES)
-# library object files common to compression and decompression
-COMOBJECTS= jcomapi.obj jutils.obj jerror.obj jmemmgr.obj $(SYSDEPMEM)
-# compression library object files
-CLIBOBJECTS= jcapi.obj jcparam.obj jdatadst.obj jcmaster.obj jcmarker.obj \
- jcmainct.obj jcprepct.obj jccoefct.obj jccolor.obj jcsample.obj \
- jchuff.obj jcdctmgr.obj jfdctfst.obj jfdctflt.obj jfdctint.obj
-# decompression library object files
-DLIBOBJECTS= jdapi.obj jdatasrc.obj jdmaster.obj jdmarker.obj jdmainct.obj \
- jdcoefct.obj jdpostct.obj jddctmgr.obj jidctfst.obj jidctflt.obj \
- jidctint.obj jidctred.obj jdhuff.obj jdsample.obj jdcolor.obj \
- jquant1.obj jquant2.obj jdmerge.obj
-# These objectfiles are included in libjpeg.olb
-LIBOBJECTS= $(CLIBOBJECTS) $(DLIBOBJECTS) $(COMOBJECTS)
-# object files for cjpeg and djpeg applications (excluding library files)
-COBJECTS= cjpeg.obj rdppm.obj rdgif.obj rdtarga.obj rdrle.obj rdbmp.obj
-DOBJECTS= djpeg.obj wrppm.obj wrgif.obj wrtarga.obj wrrle.obj wrbmp.obj \
- rdcolmap.obj
-# objectfile lists with commas --- what a crock
-COBJLIST= cjpeg.obj,rdppm.obj,rdgif.obj,rdtarga.obj,rdrle.obj,rdbmp.obj
-DOBJLIST= djpeg.obj,wrppm.obj,wrgif.obj,wrtarga.obj,wrrle.obj,wrbmp.obj,\
- rdcolmap.obj
-LIBOBJLIST= jcapi.obj,jcparam.obj,jdatadst.obj,jcmaster.obj,jcmarker.obj,\
- jcmainct.obj,jcprepct.obj,jccoefct.obj,jccolor.obj,jcsample.obj,\
- jchuff.obj,jcdctmgr.obj,jfdctfst.obj,jfdctflt.obj,jfdctint.obj,\
- jdapi.obj,jdatasrc.obj,jdmaster.obj,jdmarker.obj,jdmainct.obj,\
- jdcoefct.obj,jdpostct.obj,jddctmgr.obj,jidctfst.obj,jidctflt.obj,\
- jidctint.obj,jidctred.obj,jdhuff.obj,jdsample.obj,jdcolor.obj,\
- jquant1.obj,jquant2.obj,jdmerge.obj,jcomapi.obj,jutils.obj,\
- jerror.obj,jmemmgr.obj,$(SYSDEPMEM)
-
-
-.first
- @- Define /NoLog Sys Sys$Library
-
-ALL : libjpeg.olb cjpeg.exe djpeg.exe rdjpgcom.exe wrjpgcom.exe
- @ Continue
-
-libjpeg.olb : $(LIBOBJECTS)
- Library /Create libjpeg.olb $(LIBOBJLIST)
-
-cjpeg.exe : $(COBJECTS) libjpeg.olb
- $(LINK) $(LFLAGS) /Executable = cjpeg.exe $(COBJLIST),libjpeg.olb/Library$(OPT)
-
-djpeg.exe : $(DOBJECTS) libjpeg.olb
- $(LINK) $(LFLAGS) /Executable = djpeg.exe $(DOBJLIST),libjpeg.olb/Library$(OPT)
-
-rdjpgcom.exe : rdjpgcom.obj
- $(LINK) $(LFLAGS) /Executable = rdjpgcom.exe rdjpgcom.obj$(OPT)
-
-wrjpgcom.exe : wrjpgcom.obj
- $(LINK) $(LFLAGS) /Executable = wrjpgcom.exe wrjpgcom.obj$(OPT)
-
-jconfig.h : jconfig.vms
- @- Copy jconfig.vms jconfig.h
-
-clean :
- @- Set Protection = Owner:RWED *.*;-1
- @- Set Protection = Owner:RWED *.OBJ
- - Purge /NoLog /NoConfirm *.*
- - Delete /NoLog /NoConfirm *.OBJ;
-
-test : cjpeg.exe djpeg.exe
- mcr sys$disk:[]djpeg -dct int -ppm -outfile testout.ppm testorig.jpg
- mcr sys$disk:[]djpeg -dct int -gif -outfile testout.gif testorig.jpg
- mcr sys$disk:[]cjpeg -dct int -outfile testout.jpg testimg.ppm
- - Backup /Compare/Log testimg.ppm testout.ppm
- - Backup /Compare/Log testimg.gif testout.gif
- - Backup /Compare/Log testimg.jpg testout.jpg
-
-
-jcapi.obj : jcapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jccoefct.obj : jccoefct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jccolor.obj : jccolor.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcdctmgr.obj : jcdctmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jchuff.obj : jchuff.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcmainct.obj : jcmainct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcmarker.obj : jcmarker.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcmaster.obj : jcmaster.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcomapi.obj : jcomapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcparam.obj : jcparam.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcprepct.obj : jcprepct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcsample.obj : jcsample.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdapi.obj : jdapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdatasrc.obj : jdatasrc.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h
-jdatadst.obj : jdatadst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h
-jdcoefct.obj : jdcoefct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdcolor.obj : jdcolor.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jddctmgr.obj : jddctmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jdhuff.obj : jdhuff.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmainct.obj : jdmainct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmarker.obj : jdmarker.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmaster.obj : jdmaster.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdpostct.obj : jdpostct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdsample.obj : jdsample.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jerror.obj : jerror.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jversion.h jerror.h
-jutils.obj : jutils.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jfdctfst.obj : jfdctfst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jfdctflt.obj : jfdctflt.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jfdctint.obj : jfdctint.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctfst.obj : jidctfst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctflt.obj : jidctflt.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctint.obj : jidctint.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctred.obj : jidctred.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jquant1.obj : jquant1.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jquant2.obj : jquant2.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmerge.obj : jdmerge.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jmemmgr.obj : jmemmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemansi.obj : jmemansi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemname.obj : jmemname.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemnobs.obj : jmemnobs.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemdos.obj : jmemdos.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-cjpeg.obj : cjpeg.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h jversion.h
-djpeg.obj : djpeg.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h jversion.h
-rdcolmap.obj : rdcolmap.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdppm.obj : rdppm.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrppm.obj : wrppm.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdgif.obj : rdgif.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrgif.obj : wrgif.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdtarga.obj : rdtarga.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrtarga.obj : wrtarga.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdbmp.obj : rdbmp.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrbmp.obj : wrbmp.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdrle.obj : rdrle.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrrle.obj : wrrle.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdjpgcom.obj : rdjpgcom.c jinclude.h jconfig.h
-wrjpgcom.obj : wrjpgcom.c jinclude.h jconfig.h
diff --git a/jpeg/makefile.sas b/jpeg/makefile.sas
deleted file mode 100644
index f9b852c4e6..0000000000
--- a/jpeg/makefile.sas
+++ /dev/null
@@ -1,207 +0,0 @@
-# Makefile for Independent JPEG Group's software
-
-# This makefile is for Amiga systems using SAS C 6.0 and up.
-# Thanks to Ed Hanway, Mark Rinfret, and Jim Zepeda.
-
-# Read installation instructions before saying "make" !!
-
-# The name of your C compiler:
-CC= sc
-
-# You may need to adjust these cc options:
-# Uncomment the following lines for generic 680x0 version
-ARCHFLAGS= cpu=any
-SUFFIX=
-
-# Uncomment the following lines for 68030-only version
-#ARCHFLAGS= cpu=68030
-#SUFFIX=.030
-
-CFLAGS= nostackcheck data=near parms=register optimize $(ARCHFLAGS) \
- ignore=104 ignore=304 ignore=306
-# ignore=104 disables warnings for mismatched const qualifiers
-# ignore=304 disables warnings for variables being optimized out
-# ignore=306 disables warnings for the inlining of functions
-# Generally, we recommend defining any configuration symbols in jconfig.h,
-# NOT via define switches here.
-
-# Link-time cc options:
-LDFLAGS= SC SD ND BATCH
-
-# To link any special libraries, add the necessary commands here.
-LDLIBS= LIB:scm.lib LIB:sc.lib
-
-# Put here the object file name for the correct system-dependent memory
-# manager file. For Amiga we recommend jmemname.o.
-SYSDEPMEM= jmemname.o
-
-# miscellaneous OS-dependent stuff
-# linker
-LN= slink
-# file deletion command
-RM= delete quiet
-# library (.lib) file creation command
-AR= oml
-
-# End of configurable options.
-
-
-# source files: JPEG library proper
-LIBSOURCES= jcapi.c jccoefct.c jccolor.c jcdctmgr.c jchuff.c jcmainct.c \
- jcmarker.c jcmaster.c jcomapi.c jcparam.c jcprepct.c jcsample.c \
- jdapi.c jdatasrc.c jdatadst.c jdcoefct.c jdcolor.c jddctmgr.c \
- jdhuff.c jdmainct.c jdmarker.c jdmaster.c jdpostct.c jdsample.c \
- jerror.c jutils.c jfdctfst.c jfdctflt.c jfdctint.c jidctfst.c \
- jidctflt.c jidctint.c jidctred.c jquant1.c jquant2.c jdmerge.c \
- jmemmgr.c jmemansi.c jmemname.c jmemnobs.c jmemdos.c
-# source files: cjpeg/djpeg applications, also rdjpgcom/wrjpgcom
-APPSOURCES= cjpeg.c djpeg.c rdcolmap.c rdppm.c wrppm.c rdgif.c wrgif.c \
- rdtarga.c wrtarga.c rdbmp.c wrbmp.c rdrle.c wrrle.c rdjpgcom.c \
- wrjpgcom.c
-SOURCES= $(LIBSOURCES) $(APPSOURCES)
-# files included by source files
-INCLUDES= jdct.h jerror.h jinclude.h jmemsys.h jmorecfg.h jpegint.h \
- jpeglib.h jversion.h cdjpeg.h cderror.h
-# documentation, test, and support files
-DOCS= README install.doc usage.doc cjpeg.1 djpeg.1 rdjpgcom.1 wrjpgcom.1 \
- example.c libjpeg.doc structure.doc coderules.doc filelist.doc \
- change.log
-MKFILES= configure makefile.auto makefile.ansi makefile.unix makefile.manx \
- makefile.sas makcjpeg.st makdjpeg.st makljpeg.st makefile.bcc \
- makefile.mc6 makefile.dj makefile.mms makefile.vms makvms.opt
-CONFIGFILES= jconfig.auto jconfig.manx jconfig.sas jconfig.st jconfig.bcc \
- jconfig.mc6 jconfig.dj jconfig.vms
-OTHERFILES= jconfig.doc ckconfig.c ansi2knr.c ansi2knr.1 jmemdosa.asm
-TESTFILES= testorig.jpg testimg.ppm testimg.gif testimg.jpg
-DISTFILES= $(DOCS) $(MKFILES) $(CONFIGFILES) $(SOURCES) $(INCLUDES) \
- $(OTHERFILES) $(TESTFILES)
-# library object files common to compression and decompression
-COMOBJECTS= jcomapi.o jutils.o jerror.o jmemmgr.o $(SYSDEPMEM)
-# compression library object files
-CLIBOBJECTS= jcapi.o jcparam.o jdatadst.o jcmaster.o jcmarker.o jcmainct.o \
- jcprepct.o jccoefct.o jccolor.o jcsample.o jchuff.o jcdctmgr.o \
- jfdctfst.o jfdctflt.o jfdctint.o
-# decompression library object files
-DLIBOBJECTS= jdapi.o jdatasrc.o jdmaster.o jdmarker.o jdmainct.o jdcoefct.o \
- jdpostct.o jddctmgr.o jidctfst.o jidctflt.o jidctint.o jidctred.o \
- jdhuff.o jdsample.o jdcolor.o jquant1.o jquant2.o jdmerge.o
-# These objectfiles are included in libjpeg.lib
-LIBOBJECTS= $(CLIBOBJECTS) $(DLIBOBJECTS) $(COMOBJECTS)
-# object files for cjpeg and djpeg applications (excluding library files)
-COBJECTS= cjpeg.o rdppm.o rdgif.o rdtarga.o rdrle.o rdbmp.o
-DOBJECTS= djpeg.o wrppm.o wrgif.o wrtarga.o wrrle.o wrbmp.o rdcolmap.o
-
-
-all: libjpeg.lib cjpeg$(SUFFIX) djpeg$(SUFFIX) rdjpgcom$(SUFFIX) wrjpgcom$(SUFFIX)
-
-libjpeg.lib: $(LIBOBJECTS)
- -$(RM) libjpeg.lib
- $(AR) libjpeg.lib r $(LIBOBJECTS)
-
-cjpeg$(SUFFIX): $(COBJECTS) libjpeg.lib
- $(LN) <WITH <
-$(LDFLAGS)
-TO cjpeg$(SUFFIX)
-FROM LIB:c.o $(COBJECTS)
-LIB libjpeg.lib $(LDLIBS)
-<
-
-djpeg$(SUFFIX): $(DOBJECTS) libjpeg.lib
- $(LN) <WITH <
-$(LDFLAGS)
-TO djpeg$(SUFFIX)
-FROM LIB:c.o $(DOBJECTS)
-LIB libjpeg.lib $(LDLIBS)
-<
-
-rdjpgcom$(SUFFIX): rdjpgcom.o
- $(LN) <WITH <
-$(LDFLAGS)
-TO rdjpgcom$(SUFFIX)
-FROM LIB:c.o rdjpgcom.o
-LIB $(LDLIBS)
-<
-
-wrjpgcom$(SUFFIX): wrjpgcom.o
- $(LN) <WITH <
-$(LDFLAGS)
-TO wrjpgcom$(SUFFIX)
-FROM LIB:c.o wrjpgcom.o
-LIB $(LDLIBS)
-<
-
-jconfig.h: jconfig.doc
- echo You must prepare a system-dependent jconfig.h file.
- echo Please read the installation directions in install.doc.
- exit 1
-
-clean:
- -$(RM) *.o cjpeg djpeg cjpeg.030 djpeg.030 libjpeg.lib core testout.*
- -$(RM) rdjpgcom wrjpgcom rdjpgcom.030 wrjpgcom.030
-
-test: cjpeg djpeg
- -$(RM) testout.ppm testout.gif testout.jpg
- djpeg -dct int -ppm -outfile testout.ppm testorig.jpg
- djpeg -dct int -gif -outfile testout.gif testorig.jpg
- cjpeg -dct int -outfile testout.jpg testimg.ppm
- cmp testimg.ppm testout.ppm
- cmp testimg.gif testout.gif
- cmp testimg.jpg testout.jpg
-
-
-jcapi.o : jcapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jccoefct.o : jccoefct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jccolor.o : jccolor.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcdctmgr.o : jcdctmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jchuff.o : jchuff.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcmainct.o : jcmainct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcmarker.o : jcmarker.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcmaster.o : jcmaster.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcomapi.o : jcomapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcparam.o : jcparam.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcprepct.o : jcprepct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcsample.o : jcsample.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdapi.o : jdapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdatasrc.o : jdatasrc.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h
-jdatadst.o : jdatadst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h
-jdcoefct.o : jdcoefct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdcolor.o : jdcolor.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jddctmgr.o : jddctmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jdhuff.o : jdhuff.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmainct.o : jdmainct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmarker.o : jdmarker.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmaster.o : jdmaster.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdpostct.o : jdpostct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdsample.o : jdsample.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jerror.o : jerror.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jversion.h jerror.h
-jutils.o : jutils.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jfdctfst.o : jfdctfst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jfdctflt.o : jfdctflt.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jfdctint.o : jfdctint.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctfst.o : jidctfst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctflt.o : jidctflt.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctint.o : jidctint.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctred.o : jidctred.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jquant1.o : jquant1.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jquant2.o : jquant2.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmerge.o : jdmerge.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jmemmgr.o : jmemmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemansi.o : jmemansi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemname.o : jmemname.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemnobs.o : jmemnobs.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemdos.o : jmemdos.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-cjpeg.o : cjpeg.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h jversion.h
-djpeg.o : djpeg.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h jversion.h
-rdcolmap.o : rdcolmap.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdppm.o : rdppm.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrppm.o : wrppm.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdgif.o : rdgif.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrgif.o : wrgif.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdtarga.o : rdtarga.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrtarga.o : wrtarga.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdbmp.o : rdbmp.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrbmp.o : wrbmp.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdrle.o : rdrle.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrrle.o : wrrle.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdjpgcom.o : rdjpgcom.c jinclude.h jconfig.h
-wrjpgcom.o : wrjpgcom.c jinclude.h jconfig.h
diff --git a/jpeg/makefile.test b/jpeg/makefile.test
deleted file mode 100644
index d220cbf125..0000000000
--- a/jpeg/makefile.test
+++ /dev/null
@@ -1,185 +0,0 @@
-# Makefile for Independent JPEG Group's software
-
-# Temporary makefile for working on prototype V5 code.
-
-# Check and edit these settings:
-
-# The name of your C compiler:
-CC= cc
-# If your compiler does not handle ANSI function prototypes,
-# also uncomment the .c.o rule below.
-
-# You may need to adjust these cc options:
-CFLAGS= -g
-# In particular:
-# Please turn on any extra-warning switches you have.
-# For example, I normally use "-Wall" with gcc.
-# Add -DBSD if on a pure BSD system (see jinclude.h).
-# Add -DMEM_STATS to enable gathering of memory usage statistics.
-
-# Link-time cc options:
-LDFLAGS= -g
-
-# To link any special libraries, add the necessary -l commands here.
-LDLIBS=
-
-# miscellaneous OS-dependent stuff
-# linker
-LN= $(CC)
-# file deletion command
-RM= rm -f
-# library (.a) file creation command
-AR= ar rc
-# second step in .a creation (use "touch" if not needed)
-AR2= ranlib
-
-# End of settings.
-
-
-# Put here the object file name for the correct system-dependent memory
-# manager file. For Unix this is usually jmemnobs.o, but you may need
-# to use jmemansi.o or jmemname.o if you have limited swap space.
-# (For now, just use jmemnobs.o, 'cause the other options ain't ready.)
-SYSDEPMEM= jmemnobs.o
-
-
-# source files (independently compilable files)
-SOURCES= cjpeg.c djpeg.c jdatasrc.c jdatadst.c \
- jcapi.c jccoefct.c jccolor.c jcdctmgr.c \
- jchuff.c jcmainct.c jcmarker.c jcmaster.c jcomapi.c jcparam.c \
- jcprepct.c jcsample.c jdapi.c jdcoefct.c jdcolor.c jddctmgr.c \
- jdhuff.c jdmainct.c jdmarker.c jdmaster.c \
- jdpostct.c jdsample.c jerror.c jfwddct.c jmemmgr.c jmemnobs.c \
- jrevdct.c jutils.c rdppm.c wrppm.c
-# files included by source files
-INCLUDES= cdjpeg.h jerror.h jinclude.h jmemsys.h jmorecfg.h cderror.h \
- jpegint.h jpeglib.h jversion.h
-# documentation, test, and support files
-DOCS= README install.doc usage.doc cjpeg.1 djpeg.1 example.c \
- libjpeg.doc structure.doc coderules.doc filelist.doc change.log
-MAKEFILES= makefile.test
-OTHERFILES= jconfig.doc ansi2knr.c ansi2knr.1
-TESTFILES= testorig.jpg testimg.ppm testimg.jpg
-DISTFILES= $(DOCS) $(MAKEFILES) $(SOURCES) $(INCLUDES) \
- $(OTHERFILES) $(TESTFILES)
-# objectfiles common to compression and decompression
-COMOBJECTS= jcomapi.o jutils.o jerror.o jmemmgr.o $(SYSDEPMEM)
-# compression objectfiles
-CLIBOBJECTS= jcapi.o jcparam.o jdatadst.o jcmaster.o jcmarker.o \
- jcmainct.o jcprepct.o jccoefct.o \
- jccolor.o jcsample.o jchuff.o jcdctmgr.o jfwddct.o
-# COBJECTS= cjpeg.o rdgif.o rdppm.o rdrle.o rdtarga.o
-COBJECTS= cjpeg.o rdppm.o \
- $(CLIBOBJECTS) $(COMOBJECTS)
-# decompression objectfiles
-DLIBOBJECTS= jdapi.o jdatasrc.o jdmaster.o jdmarker.o \
- jdmainct.o jdcoefct.o jdpostct.o \
- jddctmgr.o jrevdct.o jdhuff.o jdsample.o jdcolor.o
-# DOBJECTS= djpeg.o wrgif.o wrppm.o wrrle.o wrtarga.o
-DOBJECTS= djpeg.o wrppm.o \
- $(DLIBOBJECTS) $(COMOBJECTS)
-# These objectfiles are included in libjpeg.a
-LIBOBJECTS= $(CLIBOBJECTS) $(DLIBOBJECTS) $(COMOBJECTS)
-
-
-all: cjpeg djpeg
-# By default, libjpeg.a is not built unless you explicitly request it.
-# You can add libjpeg.a to the line above if you want it built by default.
-
-
-# Remove the # marks to enable use of ansi2knr:
-
-#.c.o:
-# ./ansi2knr $*.c tmpansi.c
-# $(CC) $(CFLAGS) -c tmpansi.c
-# mv tmpansi.o $*.o
-# $(RM) tmpansi.c
-
-ansi2knr: ansi2knr.c
- $(CC) $(CFLAGS) -o ansi2knr ansi2knr.c
-
-
-
-cjpeg: $(COBJECTS)
- $(LN) $(LDFLAGS) -o cjpeg $(COBJECTS) $(LDLIBS)
-
-djpeg: $(DOBJECTS)
- $(LN) $(LDFLAGS) -o djpeg $(DOBJECTS) $(LDLIBS)
-
-
-# libjpeg.a is useful if you are including the JPEG software in a larger
-# program; you'd include it in your link, rather than the individual modules.
-libjpeg.a: $(LIBOBJECTS)
- $(RM) libjpeg.a
- $(AR) libjpeg.a $(LIBOBJECTS)
- $(AR2) libjpeg.a
-
-clean:
- $(RM) *.o cjpeg djpeg libjpeg.a ansi2knr core tmpansi.* testout.*
-
-test: cjpeg djpeg
- $(RM) testout.ppm testout.jpg
- ./djpeg testorig.jpg >testout.ppm
- ./cjpeg testimg.ppm >testout.jpg
- cmp testimg.ppm testout.ppm
- cmp testimg.jpg testout.jpg
-
-depend:
- gcc -MM $(SOURCES) >depend
-
-# Rest is from file 'depend'
-
-cjpeg.o : cjpeg.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h \
- cderror.h jversion.h
-djpeg.o : djpeg.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h \
- cderror.h jversion.h
-jdatasrc.o : jdatasrc.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h
-jdatadst.o : jdatadst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h
-jcapi.o : jcapi.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h jerror.h
-jccoefct.o : jccoefct.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h \
- jerror.h
-jccolor.o : jccolor.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h jerror.h
-jcdctmgr.o : jcdctmgr.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h \
- jerror.h
-jchuff.o : jchuff.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h jerror.h
-jcmainct.o : jcmainct.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h \
- jerror.h
-jcmarker.o : jcmarker.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h \
- jerror.h
-jcmaster.o : jcmaster.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h \
- jerror.h
-jcomapi.o : jcomapi.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h jerror.h
-jcparam.o : jcparam.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h jerror.h
-jcprepct.o : jcprepct.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h \
- jerror.h
-jcsample.o : jcsample.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h \
- jerror.h
-jdapi.o : jdapi.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h jerror.h
-jdcoefct.o : jdcoefct.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h \
- jerror.h
-jdcolor.o : jdcolor.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h jerror.h
-jddctmgr.o : jddctmgr.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h \
- jerror.h
-jdhuff.o : jdhuff.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h jerror.h
-jdmainct.o : jdmainct.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h \
- jerror.h
-jdmarker.o : jdmarker.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h \
- jerror.h
-jdmaster.o : jdmaster.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h \
- jerror.h
-jdpostct.o : jdpostct.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h \
- jerror.h
-jdsample.o : jdsample.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h \
- jerror.h
-jerror.o : jerror.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jversion.h jerror.h
-jfwddct.o : jfwddct.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h jerror.h
-jmemmgr.o : jmemmgr.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h jerror.h \
- jmemsys.h
-jmemnobs.o : jmemnobs.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h \
- jerror.h jmemsys.h
-jrevdct.o : jrevdct.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h jerror.h
-jutils.o : jutils.c jinclude.h jconfig.h jpegint.h jpeglib.h jmorecfg.h jerror.h
-rdppm.o : rdppm.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h \
- cderror.h
-wrppm.o : wrppm.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h \
- cderror.h
diff --git a/jpeg/makefile.unix b/jpeg/makefile.unix
deleted file mode 100644
index a2bfd554d7..0000000000
--- a/jpeg/makefile.unix
+++ /dev/null
@@ -1,192 +0,0 @@
-# Makefile for Independent JPEG Group's software
-
-# This makefile is suitable for Unix-like systems with non-ANSI compilers.
-# If you have an ANSI compiler, makefile.ansi is a better starting point.
-
-# Read installation instructions before saying "make" !!
-
-# The name of your C compiler:
-CC= cc
-
-# You may need to adjust these cc options:
-CFLAGS= -O
-# Generally, we recommend defining any configuration symbols in jconfig.h,
-# NOT via -D switches here.
-# However, any special defines for ansi2knr.c may be included here:
-ANSI2KNRFLAGS=
-
-# Link-time cc options:
-LDFLAGS=
-
-# To link any special libraries, add the necessary -l commands here.
-LDLIBS=
-
-# Put here the object file name for the correct system-dependent memory
-# manager file. For Unix this is usually jmemnobs.o, but you may want
-# to use jmemansi.o or jmemname.o if you have limited swap space.
-SYSDEPMEM= jmemnobs.o
-
-# miscellaneous OS-dependent stuff
-# linker
-LN= $(CC)
-# file deletion command
-RM= rm -f
-# file rename command
-MV= mv
-# library (.a) file creation command
-AR= ar rc
-# second step in .a creation (use "touch" if not needed)
-AR2= ranlib
-
-# End of configurable options.
-
-
-# source files: JPEG library proper
-LIBSOURCES= jcapi.c jccoefct.c jccolor.c jcdctmgr.c jchuff.c jcmainct.c \
- jcmarker.c jcmaster.c jcomapi.c jcparam.c jcprepct.c jcsample.c \
- jdapi.c jdatasrc.c jdatadst.c jdcoefct.c jdcolor.c jddctmgr.c \
- jdhuff.c jdmainct.c jdmarker.c jdmaster.c jdpostct.c jdsample.c \
- jerror.c jutils.c jfdctfst.c jfdctflt.c jfdctint.c jidctfst.c \
- jidctflt.c jidctint.c jidctred.c jquant1.c jquant2.c jdmerge.c \
- jmemmgr.c jmemansi.c jmemname.c jmemnobs.c jmemdos.c
-# source files: cjpeg/djpeg applications, also rdjpgcom/wrjpgcom
-APPSOURCES= cjpeg.c djpeg.c rdcolmap.c rdppm.c wrppm.c rdgif.c wrgif.c \
- rdtarga.c wrtarga.c rdbmp.c wrbmp.c rdrle.c wrrle.c rdjpgcom.c \
- wrjpgcom.c
-SOURCES= $(LIBSOURCES) $(APPSOURCES)
-# files included by source files
-INCLUDES= jdct.h jerror.h jinclude.h jmemsys.h jmorecfg.h jpegint.h \
- jpeglib.h jversion.h cdjpeg.h cderror.h
-# documentation, test, and support files
-DOCS= README install.doc usage.doc cjpeg.1 djpeg.1 rdjpgcom.1 wrjpgcom.1 \
- example.c libjpeg.doc structure.doc coderules.doc filelist.doc \
- change.log
-MKFILES= configure makefile.auto makefile.ansi makefile.unix makefile.manx \
- makefile.sas makcjpeg.st makdjpeg.st makljpeg.st makefile.bcc \
- makefile.mc6 makefile.dj makefile.mms makefile.vms makvms.opt
-CONFIGFILES= jconfig.auto jconfig.manx jconfig.sas jconfig.st jconfig.bcc \
- jconfig.mc6 jconfig.dj jconfig.vms
-OTHERFILES= jconfig.doc ckconfig.c ansi2knr.c ansi2knr.1 jmemdosa.asm
-TESTFILES= testorig.jpg testimg.ppm testimg.gif testimg.jpg
-DISTFILES= $(DOCS) $(MKFILES) $(CONFIGFILES) $(SOURCES) $(INCLUDES) \
- $(OTHERFILES) $(TESTFILES)
-# library object files common to compression and decompression
-COMOBJECTS= jcomapi.o jutils.o jerror.o jmemmgr.o $(SYSDEPMEM)
-# compression library object files
-CLIBOBJECTS= jcapi.o jcparam.o jdatadst.o jcmaster.o jcmarker.o jcmainct.o \
- jcprepct.o jccoefct.o jccolor.o jcsample.o jchuff.o jcdctmgr.o \
- jfdctfst.o jfdctflt.o jfdctint.o
-# decompression library object files
-DLIBOBJECTS= jdapi.o jdatasrc.o jdmaster.o jdmarker.o jdmainct.o jdcoefct.o \
- jdpostct.o jddctmgr.o jidctfst.o jidctflt.o jidctint.o jidctred.o \
- jdhuff.o jdsample.o jdcolor.o jquant1.o jquant2.o jdmerge.o
-# These objectfiles are included in libjpeg.a
-LIBOBJECTS= $(CLIBOBJECTS) $(DLIBOBJECTS) $(COMOBJECTS)
-# object files for cjpeg and djpeg applications (excluding library files)
-COBJECTS= cjpeg.o rdppm.o rdgif.o rdtarga.o rdrle.o rdbmp.o
-DOBJECTS= djpeg.o wrppm.o wrgif.o wrtarga.o wrrle.o wrbmp.o rdcolmap.o
-
-
-all: ansi2knr libjpeg.a cjpeg djpeg rdjpgcom wrjpgcom
-
-# This rule causes ansi2knr to be invoked.
-.c.o:
- ./ansi2knr $*.c T$*.c
- $(CC) $(CFLAGS) -c T$*.c
- $(RM) T$*.c $*.o
- $(MV) T$*.o $*.o
-
-ansi2knr: ansi2knr.c
- $(CC) $(CFLAGS) $(ANSI2KNRFLAGS) -o ansi2knr ansi2knr.c
-
-libjpeg.a: ansi2knr $(LIBOBJECTS)
- $(RM) libjpeg.a
- $(AR) libjpeg.a $(LIBOBJECTS)
- $(AR2) libjpeg.a
-
-cjpeg: ansi2knr $(COBJECTS) libjpeg.a
- $(LN) $(LDFLAGS) -o cjpeg $(COBJECTS) libjpeg.a $(LDLIBS)
-
-djpeg: ansi2knr $(DOBJECTS) libjpeg.a
- $(LN) $(LDFLAGS) -o djpeg $(DOBJECTS) libjpeg.a $(LDLIBS)
-
-rdjpgcom: rdjpgcom.o
- $(LN) $(LDFLAGS) -o rdjpgcom rdjpgcom.o $(LDLIBS)
-
-wrjpgcom: wrjpgcom.o
- $(LN) $(LDFLAGS) -o wrjpgcom wrjpgcom.o $(LDLIBS)
-
-jconfig.h: jconfig.doc
- echo You must prepare a system-dependent jconfig.h file.
- echo Please read the installation directions in install.doc.
- exit 1
-
-clean:
- $(RM) *.o cjpeg djpeg libjpeg.a rdjpgcom wrjpgcom ansi2knr core testout.*
-
-test: cjpeg djpeg
- $(RM) testout.ppm testout.gif testout.jpg
- ./djpeg -dct int -ppm -outfile testout.ppm testorig.jpg
- ./djpeg -dct int -gif -outfile testout.gif testorig.jpg
- ./cjpeg -dct int -outfile testout.jpg testimg.ppm
- cmp testimg.ppm testout.ppm
- cmp testimg.gif testout.gif
- cmp testimg.jpg testout.jpg
-
-
-jcapi.o : jcapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jccoefct.o : jccoefct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jccolor.o : jccolor.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcdctmgr.o : jcdctmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jchuff.o : jchuff.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcmainct.o : jcmainct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcmarker.o : jcmarker.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcmaster.o : jcmaster.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcomapi.o : jcomapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcparam.o : jcparam.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcprepct.o : jcprepct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jcsample.o : jcsample.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdapi.o : jdapi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdatasrc.o : jdatasrc.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h
-jdatadst.o : jdatadst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h
-jdcoefct.o : jdcoefct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdcolor.o : jdcolor.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jddctmgr.o : jddctmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jdhuff.o : jdhuff.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmainct.o : jdmainct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmarker.o : jdmarker.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmaster.o : jdmaster.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdpostct.o : jdpostct.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdsample.o : jdsample.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jerror.o : jerror.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jversion.h jerror.h
-jutils.o : jutils.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jfdctfst.o : jfdctfst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jfdctflt.o : jfdctflt.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jfdctint.o : jfdctint.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctfst.o : jidctfst.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctflt.o : jidctflt.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctint.o : jidctint.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jidctred.o : jidctred.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jdct.h
-jquant1.o : jquant1.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jquant2.o : jquant2.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jdmerge.o : jdmerge.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h
-jmemmgr.o : jmemmgr.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemansi.o : jmemansi.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemname.o : jmemname.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemnobs.o : jmemnobs.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-jmemdos.o : jmemdos.c jinclude.h jconfig.h jpeglib.h jmorecfg.h jpegint.h jerror.h jmemsys.h
-cjpeg.o : cjpeg.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h jversion.h
-djpeg.o : djpeg.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h jversion.h
-rdcolmap.o : rdcolmap.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdppm.o : rdppm.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrppm.o : wrppm.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdgif.o : rdgif.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrgif.o : wrgif.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdtarga.o : rdtarga.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrtarga.o : wrtarga.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdbmp.o : rdbmp.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrbmp.o : wrbmp.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdrle.o : rdrle.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-wrrle.o : wrrle.c cdjpeg.h jinclude.h jconfig.h jpeglib.h jmorecfg.h jerror.h cderror.h
-rdjpgcom.o : rdjpgcom.c jinclude.h jconfig.h
-wrjpgcom.o : wrjpgcom.c jinclude.h jconfig.h
diff --git a/jpeg/makefile.vms b/jpeg/makefile.vms
deleted file mode 100644
index e654999593..0000000000
--- a/jpeg/makefile.vms
+++ /dev/null
@@ -1,104 +0,0 @@
-$! Makefile for Independent JPEG Group's software
-$!
-$! This is a command procedure for Digital VMS systems that do not have MMS.
-$! It builds the JPEG software by brute force, recompiling everything whether
-$! or not it is necessary. It then runs the basic self-test.
-$! Thanks to Rick Dyson (dyson@iowasp.physics.uiowa.edu)
-$! and Tim Bell (tbell@netcom.com) for their help.
-$!
-$! Read installation instructions before running this!!
-$!
-$ If F$GetSyi ("HW_MODEL") .gt. 1023
-$ Then
-$ OPT = ""
-$ Else
-$ OPT = ",Sys$Disk:[]makvms.opt/Option"
-$ EndIf
-$
-$ DoCompile := CC /NoDebug /Optimize
-$!
-$ DoCompile jcapi.c
-$ DoCompile jcparam.c
-$ DoCompile jdatadst.c
-$ DoCompile jcmaster.c
-$ DoCompile jcmarker.c
-$ DoCompile jcmainct.c
-$ DoCompile jcprepct.c
-$ DoCompile jccoefct.c
-$ DoCompile jccolor.c
-$ DoCompile jcsample.c
-$ DoCompile jchuff.c
-$ DoCompile jcdctmgr.c
-$ DoCompile jfdctfst.c
-$ DoCompile jfdctflt.c
-$ DoCompile jfdctint.c
-$ DoCompile jdapi.c
-$ DoCompile jdatasrc.c
-$ DoCompile jdmaster.c
-$ DoCompile jdmarker.c
-$ DoCompile jdmainct.c
-$ DoCompile jdcoefct.c
-$ DoCompile jdpostct.c
-$ DoCompile jddctmgr.c
-$ DoCompile jidctfst.c
-$ DoCompile jidctflt.c
-$ DoCompile jidctint.c
-$ DoCompile jidctred.c
-$ DoCompile jdhuff.c
-$ DoCompile jdsample.c
-$ DoCompile jdcolor.c
-$ DoCompile jquant1.c
-$ DoCompile jquant2.c
-$ DoCompile jdmerge.c
-$ DoCompile jcomapi.c
-$ DoCompile jutils.c
-$ DoCompile jerror.c
-$ DoCompile jmemmgr.c
-$ DoCompile jmemnobs.c
-$!
-$ Library /Create libjpeg.olb jcapi.obj,jcparam.obj,jdatadst.obj, -
- jcmaster.obj,jcmarker.obj,jcmainct.obj,jcprepct.obj,jccoefct.obj, -
- jccolor.obj,jcsample.obj,jchuff.obj,jcdctmgr.obj,jfdctfst.obj, -
- jfdctflt.obj,jfdctint.obj,jdapi.obj,jdatasrc.obj,jdmaster.obj, -
- jdmarker.obj,jdmainct.obj,jdcoefct.obj,jdpostct.obj,jddctmgr.obj, -
- jidctfst.obj,jidctflt.obj,jidctint.obj,jidctred.obj,jdhuff.obj, -
- jdsample.obj,jdcolor.obj,jquant1.obj,jquant2.obj,jdmerge.obj, -
- jcomapi.obj,jutils.obj,jerror.obj,jmemmgr.obj,jmemnobs.obj
-$!
-$ DoCompile cjpeg.c
-$ DoCompile rdppm.c
-$ DoCompile rdgif.c
-$ DoCompile rdtarga.c
-$ DoCompile rdrle.c
-$ DoCompile rdbmp.c
-$!
-$ Link /Executable = cjpeg.exe cjpeg.obj,rdppm.obj,rdgif.obj,rdtarga.obj, -
- rdrle.obj,rdbmp.obj,libjpeg.olb/Library'OPT'
-$!
-$ DoCompile djpeg.c
-$ DoCompile wrppm.c
-$ DoCompile wrgif.c
-$ DoCompile wrtarga.c
-$ DoCompile wrrle.c
-$ DoCompile wrbmp.c
-$ DoCompile rdcolmap.c
-$!
-$ Link /Executable = djpeg.exe djpeg.obj,wrppm.obj,wrgif.obj,wrtarga.obj, -
- wrrle.obj,wrbmp.obj,rdcolmap.obj,libjpeg.olb/Library'OPT'
-$!
-$ DoCompile rdjpgcom.c
-$ Link /Executable = rdjpgcom.exe rdjpgcom.obj'OPT'
-$!
-$ DoCompile wrjpgcom.c
-$ Link /Executable = wrjpgcom.exe wrjpgcom.obj'OPT'
-$!
-$! Run the self-test
-$!
-$ mcr sys$disk:[]djpeg -dct int -ppm -outfile testout.ppm testorig.jpg
-$ mcr sys$disk:[]djpeg -dct int -gif -outfile testout.gif testorig.jpg
-$ mcr sys$disk:[]cjpeg -dct int -outfile testout.jpg testimg.ppm
-$ Backup /Compare/Log testimg.ppm testout.ppm
-$ Backup /Compare/Log testimg.gif testout.gif
-$ Backup /Compare/Log testimg.jpg testout.jpg
-$!
-$ Exit
diff --git a/jpeg/makljpeg.st b/jpeg/makljpeg.st
deleted file mode 100644
index a8dc41ae3d..0000000000
--- a/jpeg/makljpeg.st
+++ /dev/null
@@ -1,61 +0,0 @@
-; Project file for Independent JPEG Group's software
-;
-; This project file is for Atari ST/STE/TT systems using Pure C or Turbo C.
-; Thanks to Frank Moehle (Frank.Moehle@arbi.informatik.uni-oldenburg.de)
-; and to Dr. B. Setzepfandt (bernd@gina.uni-muenster.de).
-;
-; To use this file, rename it to LIBJPEG.PRJ.
-; Read installation instructions before trying to make the program!
-;
-;
-; * * * Output file * * *
-libjpeg.lib
-;
-; * * * COMPILER OPTIONS * * *
-.C[-P] ; absolute calls
-.C[-M] ; and no string merging, folks
-.C[-w-cln] ; no "constant is long" warnings
-.C[-w-par] ; no "parameter xxxx unused"
-.C[-w-rch] ; no "unreachable code"
-.C[-wsig] ; warn if significant digits may be lost
-.L[-J] ; link new Obj-format (so we get a library)
-=
-; * * * * List of modules * * * *
-jcapi.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h)
-jccoefct.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h)
-jccolor.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h)
-jcdctmgr.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h,jdct.h)
-jchuff.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h)
-jcmainct.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h)
-jcmarker.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h)
-jcmaster.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h)
-jcomapi.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h)
-jcparam.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h)
-jcprepct.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h)
-jcsample.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h)
-jdapi.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h)
-jdatasrc.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jerror.h)
-jdatadst.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jerror.h)
-jdcoefct.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h)
-jdcolor.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h)
-jddctmgr.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h,jdct.h)
-jdhuff.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h)
-jdmainct.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h)
-jdmarker.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h)
-jdmaster.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h)
-jdpostct.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h)
-jdsample.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h)
-jerror.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jversion.h,jerror.h)
-jutils.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h)
-jfdctfst.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h,jdct.h)
-jfdctflt.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h,jdct.h)
-jfdctint.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h,jdct.h)
-jidctfst.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h,jdct.h)
-jidctflt.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h,jdct.h)
-jidctint.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h,jdct.h)
-jidctred.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h,jdct.h)
-jquant1.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h)
-jquant2.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h)
-jdmerge.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h)
-jmemmgr.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h,jmemsys.h)
-jmemansi.c (jinclude.h,jconfig.h,jpeglib.h,jmorecfg.h,jpegint.h,jerror.h,jmemsys.h)
diff --git a/jpeg/makvms.opt b/jpeg/makvms.opt
deleted file mode 100644
index 675e8fe98a..0000000000
--- a/jpeg/makvms.opt
+++ /dev/null
@@ -1,4 +0,0 @@
-! A pointer to the VAX/VMS C Run-Time Shareable Library.
-! This file is needed by makefile.mms and makefile.vms,
-! but only for the older VAX C compiler. DEC C does not need it.
-Sys$Library:VAXCRTL.EXE /Share
diff --git a/jpeg/rdbmp.c b/jpeg/rdbmp.c
deleted file mode 100644
index f91849efc8..0000000000
--- a/jpeg/rdbmp.c
+++ /dev/null
@@ -1,421 +0,0 @@
-/*
- * rdbmp.c
- *
- * Copyright (C) 1994, Thomas G. Lane.
- * This file is part of the Independent JPEG Group's software.
- * For conditions of distribution and use, see the accompanying README file.
- *
- * This file contains routines to read input images in Microsoft "BMP"
- * format (MS Windows 3.x, OS/2 1.x, and OS/2 2.x flavors).
- * Currently, only 8-bit and 24-bit images are supported, not 1-bit or
- * 4-bit (feeding such low-depth images into JPEG would be silly anyway).
- * Also, we don't support RLE-compressed files.
- *
- * These routines may need modification for non-Unix environments or
- * specialized applications. As they stand, they assume input from
- * an ordinary stdio stream. They further assume that reading begins
- * at the start of the file; start_input may need work if the
- * user interface has already read some data (e.g., to determine that
- * the file is indeed BMP format).
- *
- * This code contributed by James Arthur Boucher.
- */
-
-#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */
-
-#ifdef BMP_SUPPORTED
-
-
-/* Macros to deal with unsigned chars as efficiently as compiler allows */
-
-#ifdef HAVE_UNSIGNED_CHAR
-typedef unsigned char U_CHAR;
-#define UCH(x) ((int) (x))
-#else /* !HAVE_UNSIGNED_CHAR */
-#ifdef CHAR_IS_UNSIGNED
-typedef char U_CHAR;
-#define UCH(x) ((int) (x))
-#else
-typedef char U_CHAR;
-#define UCH(x) ((int) (x) & 0xFF)
-#endif
-#endif /* HAVE_UNSIGNED_CHAR */
-
-
-#define ReadOK(file,buffer,len) (JFREAD(file,buffer,len) == ((size_t) (len)))
-
-
-/* Private version of data source object */
-
-typedef struct _bmp_source_struct * bmp_source_ptr;
-
-typedef struct _bmp_source_struct {
- struct cjpeg_source_struct pub; /* public fields */
-
- j_compress_ptr cinfo; /* back link saves passing separate parm */
-
- JSAMPARRAY colormap; /* BMP colormap (converted to my format) */
-
- jvirt_sarray_ptr whole_image; /* Needed to reverse row order */
- JDIMENSION source_row; /* Current source row number */
- JDIMENSION row_width; /* Physical width of scanlines in file */
-
- int bits_per_pixel; /* remembers 8- or 24-bit format */
-} bmp_source_struct;
-
-
-LOCAL int
-read_byte (bmp_source_ptr sinfo)
-/* Read next byte from BMP file */
-{
- register FILE *infile = sinfo->pub.input_file;
- register int c;
-
- if ((c = getc(infile)) == EOF)
- ERREXIT(sinfo->cinfo, JERR_INPUT_EOF);
- return c;
-}
-
-
-LOCAL void
-read_colormap (bmp_source_ptr sinfo, int cmaplen, int mapentrysize)
-/* Read the colormap from a BMP file */
-{
- int i;
-
- switch (mapentrysize) {
- case 3:
- /* BGR format (occurs in OS/2 files) */
- for (i = 0; i < cmaplen; i++) {
- sinfo->colormap[2][i] = (JSAMPLE) read_byte(sinfo);
- sinfo->colormap[1][i] = (JSAMPLE) read_byte(sinfo);
- sinfo->colormap[0][i] = (JSAMPLE) read_byte(sinfo);
- }
- break;
- case 4:
- /* BGR0 format (occurs in MS Windows files) */
- for (i = 0; i < cmaplen; i++) {
- sinfo->colormap[2][i] = (JSAMPLE) read_byte(sinfo);
- sinfo->colormap[1][i] = (JSAMPLE) read_byte(sinfo);
- sinfo->colormap[0][i] = (JSAMPLE) read_byte(sinfo);
- (void) read_byte(sinfo);
- }
- break;
- default:
- ERREXIT(sinfo->cinfo, JERR_BMP_BADCMAP);
- break;
- }
-}
-
-
-/*
- * Read one row of pixels.
- * The image has been read into the whole_image array, but is otherwise
- * unprocessed. We must read it out in top-to-bottom row order, and if
- * it is an 8-bit image, we must expand colormapped pixels to 24bit format.
- */
-
-METHODDEF JDIMENSION
-get_8bit_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-/* This version is for reading 8-bit colormap indexes */
-{
- bmp_source_ptr source = (bmp_source_ptr) sinfo;
- register JSAMPARRAY colormap = source->colormap;
- JSAMPARRAY image_ptr;
- register int t;
- register JSAMPROW inptr, outptr;
- register JDIMENSION col;
-
- /* Fetch next row from virtual array */
- source->source_row--;
- image_ptr = (*cinfo->mem->access_virt_sarray)
- ((j_common_ptr) cinfo, source->whole_image, source->source_row, FALSE);
-
- /* Expand the colormap indexes to real data */
- inptr = image_ptr[0];
- outptr = source->pub.buffer[0];
- for (col = cinfo->image_width; col > 0; col--) {
- t = GETJSAMPLE(*inptr++);
- *outptr++ = colormap[0][t]; /* can omit GETJSAMPLE() safely */
- *outptr++ = colormap[1][t];
- *outptr++ = colormap[2][t];
- }
-
- return 1;
-}
-
-
-METHODDEF JDIMENSION
-get_24bit_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-/* This version is for reading 24-bit pixels */
-{
- bmp_source_ptr source = (bmp_source_ptr) sinfo;
- JSAMPARRAY image_ptr;
- register JSAMPROW inptr, outptr;
- register JDIMENSION col;
-
- /* Fetch next row from virtual array */
- source->source_row--;
- image_ptr = (*cinfo->mem->access_virt_sarray)
- ((j_common_ptr) cinfo, source->whole_image, source->source_row, FALSE);
-
- /* Transfer data. Note source values are in BGR order
- * (even though Microsoft's own documents say the opposite).
- */
- inptr = image_ptr[0];
- outptr = source->pub.buffer[0];
- for (col = cinfo->image_width; col > 0; col--) {
- outptr[2] = *inptr++; /* can omit GETJSAMPLE() safely */
- outptr[1] = *inptr++;
- outptr[0] = *inptr++;
- outptr += 3;
- }
-
- return 1;
-}
-
-
-/*
- * This method loads the image into whole_image during the first call on
- * get_pixel_rows. The get_pixel_rows pointer is then adjusted to call
- * get_8bit_row or get_24bit_row on subsequent calls.
- */
-
-METHODDEF JDIMENSION
-preload_image (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-{
- bmp_source_ptr source = (bmp_source_ptr) sinfo;
- register FILE *infile = source->pub.input_file;
- register int c;
- register JSAMPROW out_ptr;
- JSAMPARRAY image_ptr;
- JDIMENSION row, col;
- cd_progress_ptr progress = (cd_progress_ptr) cinfo->progress;
-
- /* Read the data into a virtual array in input-file row order. */
- for (row = 0; row < cinfo->image_height; row++) {
- if (progress != NULL) {
- progress->pub.pass_counter = (long) row;
- progress->pub.pass_limit = (long) cinfo->image_height;
- (*progress->pub.progress_monitor) ((j_common_ptr) cinfo);
- }
- image_ptr = (*cinfo->mem->access_virt_sarray)
- ((j_common_ptr) cinfo, source->whole_image, row, TRUE);
- out_ptr = image_ptr[0];
- for (col = source->row_width; col > 0; col--) {
- /* inline copy of read_byte() for speed */
- if ((c = getc(infile)) == EOF)
- ERREXIT(cinfo, JERR_INPUT_EOF);
- *out_ptr++ = (JSAMPLE) c;
- }
- }
- if (progress != NULL)
- progress->completed_extra_passes++;
-
- /* Set up to read from the virtual array in top-to-bottom order */
- switch (source->bits_per_pixel) {
- case 8:
- source->pub.get_pixel_rows = get_8bit_row;
- break;
- case 24:
- source->pub.get_pixel_rows = get_24bit_row;
- break;
- default:
- ERREXIT(cinfo, JERR_BMP_BADDEPTH);
- }
- source->source_row = cinfo->image_height;
-
- /* And read the first row */
- return (*source->pub.get_pixel_rows) (cinfo, sinfo);
-}
-
-
-/*
- * Read the file header; return image size and component count.
- */
-
-METHODDEF void
-start_input_bmp (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-{
- bmp_source_ptr source = (bmp_source_ptr) sinfo;
- U_CHAR bmpfileheader[14];
- U_CHAR bmpinfoheader[64];
-#define GET_2B(array,offset) ((unsigned int) UCH(array[offset]) + \
- (((unsigned int) UCH(array[offset+1])) << 8))
-#define GET_4B(array,offset) ((INT32) UCH(array[offset]) + \
- (((INT32) UCH(array[offset+1])) << 8) + \
- (((INT32) UCH(array[offset+2])) << 16) + \
- (((INT32) UCH(array[offset+3])) << 24))
- INT32 headerSize;
- INT32 biWidth = 0; /* initialize to avoid compiler warning */
- INT32 biHeight = 0;
- unsigned int biPlanes;
- INT32 biCompression;
- INT32 biXPelsPerMeter,biYPelsPerMeter;
- INT32 biClrUsed = 0;
- int mapentrysize = 0; /* 0 indicates no colormap */
- JDIMENSION row_width;
-
- /* Read and verify the bitmap file header */
- if (! ReadOK(source->pub.input_file, bmpfileheader, 14))
- ERREXIT(cinfo, JERR_INPUT_EOF);
- if (GET_2B(bmpfileheader,0) != 0x4D42) /* 'BM' */
- ERREXIT(cinfo, JERR_BMP_NOT);
- /* We ignore the remaining fileheader fields */
-
- /* The infoheader might be 12 bytes (OS/2 1.x), 40 bytes (Windows),
- * or 64 bytes (OS/2 2.x). Check the first 4 bytes to find out which.
- */
- if (! ReadOK(source->pub.input_file, bmpinfoheader, 4))
- ERREXIT(cinfo, JERR_INPUT_EOF);
- headerSize = (INT32) GET_4B(bmpinfoheader,0);
- if (headerSize < 12 || headerSize > 64)
- ERREXIT(cinfo, JERR_BMP_BADHEADER);
- if (! ReadOK(source->pub.input_file, bmpinfoheader+4, headerSize-4))
- ERREXIT(cinfo, JERR_INPUT_EOF);
-
- switch ((int) headerSize) {
- case 12:
- /* Decode OS/2 1.x header (Microsoft calls this a BITMAPCOREHEADER) */
- biWidth = (INT32) GET_2B(bmpinfoheader,4);
- biHeight = (INT32) GET_2B(bmpinfoheader,6);
- biPlanes = GET_2B(bmpinfoheader,8);
- source->bits_per_pixel = (int) GET_2B(bmpinfoheader,10);
-
- switch (source->bits_per_pixel) {
- case 8: /* colormapped image */
- mapentrysize = 3; /* OS/2 uses RGBTRIPLE colormap */
- TRACEMS2(cinfo, 1, JTRC_BMP_OS2_MAPPED, (int) biWidth, (int) biHeight);
- break;
- case 24: /* RGB image */
- TRACEMS2(cinfo, 1, JTRC_BMP_OS2, (int) biWidth, (int) biHeight);
- break;
- default:
- ERREXIT(cinfo, JERR_BMP_BADDEPTH);
- break;
- }
- if (biPlanes != 1)
- ERREXIT(cinfo, JERR_BMP_BADPLANES);
- break;
- case 40:
- case 64:
- /* Decode Windows 3.x header (Microsoft calls this a BITMAPINFOHEADER) */
- /* or OS/2 2.x header, which has additional fields that we ignore */
- biWidth = GET_4B(bmpinfoheader,4);
- biHeight = GET_4B(bmpinfoheader,8);
- biPlanes = GET_2B(bmpinfoheader,12);
- source->bits_per_pixel = (int) GET_2B(bmpinfoheader,14);
- biCompression = GET_4B(bmpinfoheader,16);
- biXPelsPerMeter = GET_4B(bmpinfoheader,24);
- biYPelsPerMeter = GET_4B(bmpinfoheader,28);
- biClrUsed = GET_4B(bmpinfoheader,32);
- /* biSizeImage, biClrImportant fields are ignored */
-
- switch (source->bits_per_pixel) {
- case 8: /* colormapped image */
- mapentrysize = 4; /* Windows uses RGBQUAD colormap */
- TRACEMS2(cinfo, 1, JTRC_BMP_MAPPED, (int) biWidth, (int) biHeight);
- break;
- case 24: /* RGB image */
- TRACEMS2(cinfo, 1, JTRC_BMP, (int) biWidth, (int) biHeight);
- break;
- default:
- ERREXIT(cinfo, JERR_BMP_BADDEPTH);
- break;
- }
- if (biPlanes != 1)
- ERREXIT(cinfo, JERR_BMP_BADPLANES);
- if (biCompression != 0)
- ERREXIT(cinfo, JERR_BMP_COMPRESSED);
-
- if (biXPelsPerMeter > 0 && biYPelsPerMeter > 0) {
- /* Set JFIF density parameters from the BMP data */
- cinfo->X_density = (UINT16) (biXPelsPerMeter/100); /* 100 cm per meter */
- cinfo->Y_density = (UINT16) (biYPelsPerMeter/100);
- cinfo->density_unit = 2; /* dots/cm */
- }
- break;
- default:
- ERREXIT(cinfo, JERR_BMP_BADHEADER);
- break;
- }
-
- /* Read the colormap, if any */
- if (mapentrysize > 0) {
- if (biClrUsed <= 0)
- biClrUsed = 256; /* assume it's 256 */
- else if (biClrUsed > 256)
- ERREXIT(cinfo, JERR_BMP_BADCMAP);
- /* Allocate space to store the colormap */
- source->colormap = (*cinfo->mem->alloc_sarray)
- ((j_common_ptr) cinfo, JPOOL_IMAGE,
- (JDIMENSION) biClrUsed, (JDIMENSION) 3);
- /* and read it from the file */
- read_colormap(source, (int) biClrUsed, mapentrysize);
- }
-
- /* Compute row width in file, including padding to 4-byte boundary */
- if (source->bits_per_pixel == 24)
- row_width = (JDIMENSION) (biWidth * 3);
- else
- row_width = (JDIMENSION) biWidth;
- while ((row_width & 3) != 0) row_width++;
- source->row_width = row_width;
-
- /* Allocate space for inversion array, prepare for preload pass */
- source->whole_image = (*cinfo->mem->request_virt_sarray)
- ((j_common_ptr) cinfo, JPOOL_IMAGE,
- row_width, (JDIMENSION) biHeight, (JDIMENSION) 1);
- source->pub.get_pixel_rows = preload_image;
- if (cinfo->progress != NULL) {
- cd_progress_ptr progress = (cd_progress_ptr) cinfo->progress;
- progress->total_extra_passes++; /* count file input as separate pass */
- }
-
- /* Allocate one-row buffer for returned data */
- source->pub.buffer = (*cinfo->mem->alloc_sarray)
- ((j_common_ptr) cinfo, JPOOL_IMAGE,
- (JDIMENSION) (biWidth * 3), (JDIMENSION) 1);
- source->pub.buffer_height = 1;
-
- cinfo->in_color_space = JCS_RGB;
- cinfo->input_components = 3;
- cinfo->data_precision = 8;
- cinfo->image_width = (JDIMENSION) biWidth;
- cinfo->image_height = (JDIMENSION) biHeight;
-}
-
-
-/*
- * Finish up at the end of the file.
- */
-
-METHODDEF void
-finish_input_bmp (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-{
- /* no work */
-}
-
-
-/*
- * The module selection routine for BMP format input.
- */
-
-GLOBAL cjpeg_source_ptr
-jinit_read_bmp (j_compress_ptr cinfo)
-{
- bmp_source_ptr source;
-
- /* Create module interface object */
- source = (bmp_source_ptr)
- (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- SIZEOF(bmp_source_struct));
- source->cinfo = cinfo; /* make back link for subroutines */
- /* Fill in method ptrs, except get_pixel_rows which start_input sets */
- source->pub.start_input = start_input_bmp;
- source->pub.finish_input = finish_input_bmp;
-
- return (cjpeg_source_ptr) source;
-}
-
-#endif /* BMP_SUPPORTED */
diff --git a/jpeg/rdcolmap.c b/jpeg/rdcolmap.c
deleted file mode 100644
index 54f5c1de0d..0000000000
--- a/jpeg/rdcolmap.c
+++ /dev/null
@@ -1,253 +0,0 @@
-/*
- * rdcolmap.c
- *
- * Copyright (C) 1994, Thomas G. Lane.
- * This file is part of the Independent JPEG Group's software.
- * For conditions of distribution and use, see the accompanying README file.
- *
- * This file implements djpeg's "-map file" switch. It reads a source image
- * and constructs a colormap to be supplied to the JPEG decompressor.
- *
- * Currently, these file formats are supported for the map file:
- * GIF: the contents of the GIF's global colormap are used.
- * PPM (either text or raw flavor): the entire file is read and
- * each unique pixel value is entered in the map.
- * Note that reading a large PPM file will be horrendously slow.
- * Typically, a PPM-format map file should contain just one pixel
- * of each desired color. Such a file can be extracted from an
- * ordinary image PPM file with ppmtomap(1).
- *
- * Rescaling a PPM that has a maxval unequal to MAXJSAMPLE is not
- * currently implemented.
- */
-
-#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */
-
-#ifdef QUANT_2PASS_SUPPORTED /* otherwise can't quantize to supplied map */
-
-/* Portions of this code are based on the PBMPLUS library, which is:
-**
-** Copyright (C) 1988 by Jef Poskanzer.
-**
-** Permission to use, copy, modify, and distribute this software and its
-** documentation for any purpose and without fee is hereby granted, provided
-** that the above copyright notice appear in all copies and that both that
-** copyright notice and this permission notice appear in supporting
-** documentation. This software is provided "as is" without express or
-** implied warranty.
-*/
-
-
-/*
- * Add a (potentially) new color to the color map.
- */
-
-LOCAL void
-add_map_entry (j_decompress_ptr cinfo, int R, int G, int B)
-{
- JSAMPROW colormap0 = cinfo->colormap[0];
- JSAMPROW colormap1 = cinfo->colormap[1];
- JSAMPROW colormap2 = cinfo->colormap[2];
- int ncolors = cinfo->actual_number_of_colors;
- int index;
-
- /* Check for duplicate color. */
- for (index = 0; index < ncolors; index++) {
- if (GETJSAMPLE(colormap0[index]) == R &&
- GETJSAMPLE(colormap1[index]) == G &&
- GETJSAMPLE(colormap2[index]) == B)
- return; /* color is already in map */
- }
-
- /* Check for map overflow. */
- if (ncolors >= (MAXJSAMPLE+1))
- ERREXIT1(cinfo, JERR_QUANT_MANY_COLORS, (MAXJSAMPLE+1));
-
- /* OK, add color to map. */
- colormap0[ncolors] = (JSAMPLE) R;
- colormap1[ncolors] = (JSAMPLE) G;
- colormap2[ncolors] = (JSAMPLE) B;
- cinfo->actual_number_of_colors++;
-}
-
-
-/*
- * Extract color map from a GIF file.
- */
-
-LOCAL void
-read_gif_map (j_decompress_ptr cinfo, FILE * infile)
-{
- int header[13];
- int i, colormaplen;
- int R, G, B;
-
- /* Initial 'G' has already been read by read_color_map */
- /* Read the rest of the GIF header and logical screen descriptor */
- for (i = 1; i < 13; i++) {
- if ((header[i] = getc(infile)) == EOF)
- ERREXIT(cinfo, JERR_BAD_CMAP_FILE);
- }
-
- /* Verify GIF Header */
- if (header[1] != 'I' || header[2] != 'F')
- ERREXIT(cinfo, JERR_BAD_CMAP_FILE);
-
- /* There must be a global color map. */
- if ((header[10] & 0x80) == 0)
- ERREXIT(cinfo, JERR_BAD_CMAP_FILE);
-
- /* OK, fetch it. */
- colormaplen = 2 << (header[10] & 0x07);
-
- for (i = 0; i < colormaplen; i++) {
- R = getc(infile);
- G = getc(infile);
- B = getc(infile);
- if (R == EOF || G == EOF || B == EOF)
- ERREXIT(cinfo, JERR_BAD_CMAP_FILE);
- add_map_entry(cinfo,
- R << (BITS_IN_JSAMPLE-8),
- G << (BITS_IN_JSAMPLE-8),
- B << (BITS_IN_JSAMPLE-8));
- }
-}
-
-
-/* Support routines for reading PPM */
-
-
-LOCAL int
-pbm_getc (FILE * infile)
-/* Read next char, skipping over any comments */
-/* A comment/newline sequence is returned as a newline */
-{
- register int ch;
-
- ch = getc(infile);
- if (ch == '#') {
- do {
- ch = getc(infile);
- } while (ch != '\n' && ch != EOF);
- }
- return ch;
-}
-
-
-LOCAL unsigned int
-read_pbm_integer (j_decompress_ptr cinfo, FILE * infile)
-/* Read an unsigned decimal integer from the PPM file */
-/* Swallows one trailing character after the integer */
-/* Note that on a 16-bit-int machine, only values up to 64k can be read. */
-/* This should not be a problem in practice. */
-{
- register int ch;
- register unsigned int val;
-
- /* Skip any leading whitespace */
- do {
- ch = pbm_getc(infile);
- if (ch == EOF)
- ERREXIT(cinfo, JERR_BAD_CMAP_FILE);
- } while (ch == ' ' || ch == '\t' || ch == '\n' || ch == '\r');
-
- if (ch < '0' || ch > '9')
- ERREXIT(cinfo, JERR_PPM_NONNUMERIC);
-
- val = ch - '0';
- while ((ch = pbm_getc(infile)) >= '0' && ch <= '9') {
- val *= 10;
- val += ch - '0';
- }
- return val;
-}
-
-
-/*
- * Extract color map from a PPM file.
- */
-
-LOCAL void
-read_ppm_map (j_decompress_ptr cinfo, FILE * infile)
-{
- int c;
- unsigned int w, h, maxval, row, col;
- int R, G, B;
-
- /* Initial 'P' has already been read by read_color_map */
- c = getc(infile); /* save format discriminator for a sec */
-
- /* while we fetch the remaining header info */
- w = read_pbm_integer(cinfo, infile);
- h = read_pbm_integer(cinfo, infile);
- maxval = read_pbm_integer(cinfo, infile);
-
- if (w <= 0 || h <= 0 || maxval <= 0) /* error check */
- ERREXIT(cinfo, JERR_BAD_CMAP_FILE);
-
- /* For now, we don't support rescaling from an unusual maxval. */
- if (maxval != (unsigned int) MAXJSAMPLE)
- ERREXIT(cinfo, JERR_BAD_CMAP_FILE);
-
- switch (c) {
- case '3': /* it's a text-format PPM file */
- for (row = 0; row < h; row++) {
- for (col = 0; col < w; col++) {
- R = read_pbm_integer(cinfo, infile);
- G = read_pbm_integer(cinfo, infile);
- B = read_pbm_integer(cinfo, infile);
- add_map_entry(cinfo, R, G, B);
- }
- }
- break;
-
- case '6': /* it's a raw-format PPM file */
- for (row = 0; row < h; row++) {
- for (col = 0; col < w; col++) {
- R = pbm_getc(infile);
- G = pbm_getc(infile);
- B = pbm_getc(infile);
- if (R == EOF || G == EOF || B == EOF)
- ERREXIT(cinfo, JERR_BAD_CMAP_FILE);
- add_map_entry(cinfo, R, G, B);
- }
- }
- break;
-
- default:
- ERREXIT(cinfo, JERR_BAD_CMAP_FILE);
- break;
- }
-}
-
-
-/*
- * Main entry point from djpeg.c.
- * Input: opened input file (from file name argument on command line).
- * Output: colormap and actual_number_of_colors fields are set in cinfo.
- */
-
-GLOBAL void
-read_color_map (j_decompress_ptr cinfo, FILE * infile)
-{
- /* Allocate space for a color map of maximum supported size. */
- cinfo->colormap = (*cinfo->mem->alloc_sarray)
- ((j_common_ptr) cinfo, JPOOL_IMAGE,
- (JDIMENSION) (MAXJSAMPLE+1), (JDIMENSION) 3);
- cinfo->actual_number_of_colors = 0; /* initialize map to empty */
-
- /* Read first byte to determine file format */
- switch (getc(infile)) {
- case 'G':
- read_gif_map(cinfo, infile);
- break;
- case 'P':
- read_ppm_map(cinfo, infile);
- break;
- default:
- ERREXIT(cinfo, JERR_BAD_CMAP_FILE);
- break;
- }
-}
-
-#endif /* QUANT_2PASS_SUPPORTED */
diff --git a/jpeg/rdgif.c b/jpeg/rdgif.c
deleted file mode 100644
index b88660244f..0000000000
--- a/jpeg/rdgif.c
+++ /dev/null
@@ -1,671 +0,0 @@
-/*
- * rdgif.c
- *
- * Copyright (C) 1991-1994, Thomas G. Lane.
- * This file is part of the Independent JPEG Group's software.
- * For conditions of distribution and use, see the accompanying README file.
- *
- * This file contains routines to read input images in GIF format.
- *
- * These routines may need modification for non-Unix environments or
- * specialized applications. As they stand, they assume input from
- * an ordinary stdio stream. They further assume that reading begins
- * at the start of the file; input_init may need work if the
- * user interface has already read some data (e.g., to determine that
- * the file is indeed GIF format).
- */
-
-/*
- * This code is loosely based on giftoppm from the PBMPLUS distribution
- * of Feb. 1991. That file contains the following copyright notice:
- * +-------------------------------------------------------------------+
- * | Copyright 1990, David Koblas. |
- * | Permission to use, copy, modify, and distribute this software |
- * | and its documentation for any purpose and without fee is hereby |
- * | granted, provided that the above copyright notice appear in all |
- * | copies and that both that copyright notice and this permission |
- * | notice appear in supporting documentation. This software is |
- * | provided "as is" without express or implied warranty. |
- * +-------------------------------------------------------------------+
- *
- * We are also required to state that
- * "The Graphics Interchange Format(c) is the Copyright property of
- * CompuServe Incorporated. GIF(sm) is a Service Mark property of
- * CompuServe Incorporated."
- */
-
-#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */
-
-#ifdef GIF_SUPPORTED
-
-
-#define MAXCOLORMAPSIZE 256 /* max # of colors in a GIF colormap */
-#define NUMCOLORS 3 /* # of colors */
-#define CM_RED 0 /* color component numbers */
-#define CM_GREEN 1
-#define CM_BLUE 2
-
-#define MAX_LZW_BITS 12 /* maximum LZW code size */
-#define LZW_TABLE_SIZE (1<<MAX_LZW_BITS) /* # of possible LZW symbols */
-
-/* Macros for extracting header data --- note we assume chars may be signed */
-
-#define LM_to_uint(a,b) ((((b)&0xFF) << 8) | ((a)&0xFF))
-
-#define BitSet(byte, bit) ((byte) & (bit))
-#define INTERLACE 0x40 /* mask for bit signifying interlaced image */
-#define COLORMAPFLAG 0x80 /* mask for bit signifying colormap presence */
-
-#define ReadOK(file,buffer,len) (JFREAD(file,buffer,len) == ((size_t) (len)))
-
-/* LZW decompression tables look like this:
- * symbol_head[K] = prefix symbol of any LZW symbol K (0..LZW_TABLE_SIZE-1)
- * symbol_tail[K] = suffix byte of any LZW symbol K (0..LZW_TABLE_SIZE-1)
- * Note that entries 0..end_code of the above tables are not used,
- * since those symbols represent raw bytes or special codes.
- *
- * The stack represents the not-yet-used expansion of the last LZW symbol.
- * In the worst case, a symbol could expand to as many bytes as there are
- * LZW symbols, so we allocate LZW_TABLE_SIZE bytes for the stack.
- * (This is conservative since that number includes the raw-byte symbols.)
- *
- * The tables are allocated from FAR heap space since they would use up
- * rather a lot of the near data space in a PC.
- */
-
-
-/* Private version of data source object */
-
-typedef struct {
- struct cjpeg_source_struct pub; /* public fields */
-
- j_compress_ptr cinfo; /* back link saves passing separate parm */
-
- JSAMPARRAY colormap; /* GIF colormap (converted to my format) */
-
- /* State for GetCode and LZWReadByte */
- char code_buf[256+4]; /* current input data block */
- int last_byte; /* # of bytes in code_buf */
- int last_bit; /* # of bits in code_buf */
- int cur_bit; /* next bit index to read */
- boolean out_of_blocks; /* TRUE if hit terminator data block */
-
- int input_code_size; /* codesize given in GIF file */
- int clear_code,end_code; /* values for Clear and End codes */
-
- int code_size; /* current actual code size */
- int limit_code; /* 2^code_size */
- int max_code; /* first unused code value */
- boolean first_time; /* flags first call to LZWReadByte */
-
- /* Private state for LZWReadByte */
- int oldcode; /* previous LZW symbol */
- int firstcode; /* first byte of oldcode's expansion */
-
- /* LZW symbol table and expansion stack */
- UINT16 FAR *symbol_head; /* => table of prefix symbols */
- UINT8 FAR *symbol_tail; /* => table of suffix bytes */
- UINT8 FAR *symbol_stack; /* => stack for symbol expansions */
- UINT8 FAR *sp; /* stack pointer */
-
- /* State for interlaced image processing */
- boolean is_interlaced; /* TRUE if have interlaced image */
- jvirt_sarray_ptr interlaced_image; /* full image in interlaced order */
- JDIMENSION cur_row_number; /* need to know actual row number */
- JDIMENSION pass2_offset; /* # of pixel rows in pass 1 */
- JDIMENSION pass3_offset; /* # of pixel rows in passes 1&2 */
- JDIMENSION pass4_offset; /* # of pixel rows in passes 1,2,3 */
-} gif_source_struct;
-
-typedef gif_source_struct * gif_source_ptr;
-
-
-/* Forward declarations */
-METHODDEF JDIMENSION get_pixel_rows
- JPP((j_compress_ptr cinfo, cjpeg_source_ptr sinfo));
-METHODDEF JDIMENSION load_interlaced_image
- JPP((j_compress_ptr cinfo, cjpeg_source_ptr sinfo));
-METHODDEF JDIMENSION get_interlaced_row
- JPP((j_compress_ptr cinfo, cjpeg_source_ptr sinfo));
-
-
-LOCAL int
-ReadByte (gif_source_ptr sinfo)
-/* Read next byte from GIF file */
-{
- register FILE * infile = sinfo->pub.input_file;
- int c;
-
- if ((c = getc(infile)) == EOF)
- ERREXIT(sinfo->cinfo, JERR_INPUT_EOF);
- return c;
-}
-
-
-LOCAL int
-GetDataBlock (gif_source_ptr sinfo, char *buf)
-/* Read a GIF data block, which has a leading count byte */
-/* A zero-length block marks the end of a data block sequence */
-{
- int count;
-
- count = ReadByte(sinfo);
- if (count > 0) {
- if (! ReadOK(sinfo->pub.input_file, buf, count))
- ERREXIT(sinfo->cinfo, JERR_INPUT_EOF);
- }
- return count;
-}
-
-
-LOCAL void
-SkipDataBlocks (gif_source_ptr sinfo)
-/* Skip a series of data blocks, until a block terminator is found */
-{
- char buf[256];
-
- while (GetDataBlock(sinfo, buf) > 0)
- /* skip */;
-}
-
-
-LOCAL void
-ReInitLZW (gif_source_ptr sinfo)
-/* (Re)initialize LZW state; shared code for startup and Clear processing */
-{
- sinfo->code_size = sinfo->input_code_size + 1;
- sinfo->limit_code = sinfo->clear_code << 1; /* 2^code_size */
- sinfo->max_code = sinfo->clear_code + 2; /* first unused code value */
- sinfo->sp = sinfo->symbol_stack; /* init stack to empty */
-}
-
-
-LOCAL void
-InitLZWCode (gif_source_ptr sinfo)
-/* Initialize for a series of LZWReadByte (and hence GetCode) calls */
-{
- /* GetCode initialization */
- sinfo->last_byte = 2; /* make safe to "recopy last two bytes" */
- sinfo->last_bit = 0; /* nothing in the buffer */
- sinfo->cur_bit = 0; /* force buffer load on first call */
- sinfo->out_of_blocks = FALSE;
-
- /* LZWReadByte initialization: */
- /* compute special code values (note that these do not change later) */
- sinfo->clear_code = 1 << sinfo->input_code_size;
- sinfo->end_code = sinfo->clear_code + 1;
- sinfo->first_time = TRUE;
- ReInitLZW(sinfo);
-}
-
-
-LOCAL int
-GetCode (gif_source_ptr sinfo)
-/* Fetch the next code_size bits from the GIF data */
-/* We assume code_size is less than 16 */
-{
- register INT32 accum;
- int offs, ret, count;
-
- while ( (sinfo->cur_bit + sinfo->code_size) > sinfo->last_bit) {
- /* Time to reload the buffer */
- if (sinfo->out_of_blocks) {
- WARNMS(sinfo->cinfo, JWRN_GIF_NOMOREDATA);
- return sinfo->end_code; /* fake something useful */
- }
- /* preserve last two bytes of what we have -- assume code_size <= 16 */
- sinfo->code_buf[0] = sinfo->code_buf[sinfo->last_byte-2];
- sinfo->code_buf[1] = sinfo->code_buf[sinfo->last_byte-1];
- /* Load more bytes; set flag if we reach the terminator block */
- if ((count = GetDataBlock(sinfo, &sinfo->code_buf[2])) == 0) {
- sinfo->out_of_blocks = TRUE;
- WARNMS(sinfo->cinfo, JWRN_GIF_NOMOREDATA);
- return sinfo->end_code; /* fake something useful */
- }
- /* Reset counters */
- sinfo->cur_bit = (sinfo->cur_bit - sinfo->last_bit) + 16;
- sinfo->last_byte = 2 + count;
- sinfo->last_bit = sinfo->last_byte * 8;
- }
-
- /* Form up next 24 bits in accum */
- offs = sinfo->cur_bit >> 3; /* byte containing cur_bit */
-#ifdef CHAR_IS_UNSIGNED
- accum = sinfo->code_buf[offs+2];
- accum <<= 8;
- accum |= sinfo->code_buf[offs+1];
- accum <<= 8;
- accum |= sinfo->code_buf[offs];
-#else
- accum = sinfo->code_buf[offs+2] & 0xFF;
- accum <<= 8;
- accum |= sinfo->code_buf[offs+1] & 0xFF;
- accum <<= 8;
- accum |= sinfo->code_buf[offs] & 0xFF;
-#endif
-
- /* Right-align cur_bit in accum, then mask off desired number of bits */
- accum >>= (sinfo->cur_bit & 7);
- ret = ((int) accum) & ((1 << sinfo->code_size) - 1);
-
- sinfo->cur_bit += sinfo->code_size;
- return ret;
-}
-
-
-LOCAL int
-LZWReadByte (gif_source_ptr sinfo)
-/* Read an LZW-compressed byte */
-{
- register int code; /* current working code */
- int incode; /* saves actual input code */
-
- /* First time, just eat the expected Clear code(s) and return next code, */
- /* which is expected to be a raw byte. */
- if (sinfo->first_time) {
- sinfo->first_time = FALSE;
- code = sinfo->clear_code; /* enables sharing code with Clear case */
- } else {
-
- /* If any codes are stacked from a previously read symbol, return them */
- if (sinfo->sp > sinfo->symbol_stack)
- return (int) *(-- sinfo->sp);
-
- /* Time to read a new symbol */
- code = GetCode(sinfo);
-
- }
-
- if (code == sinfo->clear_code) {
- /* Reinit state, swallow any extra Clear codes, and */
- /* return next code, which is expected to be a raw byte. */
- ReInitLZW(sinfo);
- do {
- code = GetCode(sinfo);
- } while (code == sinfo->clear_code);
- if (code > sinfo->clear_code) { /* make sure it is a raw byte */
- WARNMS(sinfo->cinfo, JWRN_GIF_BADDATA);
- code = 0; /* use something valid */
- }
- /* make firstcode, oldcode valid! */
- sinfo->firstcode = sinfo->oldcode = code;
- return code;
- }
-
- if (code == sinfo->end_code) {
- /* Skip the rest of the image, unless GetCode already read terminator */
- if (! sinfo->out_of_blocks) {
- SkipDataBlocks(sinfo);
- sinfo->out_of_blocks = TRUE;
- }
- /* Complain that there's not enough data */
- WARNMS(sinfo->cinfo, JWRN_GIF_ENDCODE);
- /* Pad data with 0's */
- return 0; /* fake something usable */
- }
-
- /* Got normal raw byte or LZW symbol */
- incode = code; /* save for a moment */
-
- if (code >= sinfo->max_code) { /* special case for not-yet-defined symbol */
- /* code == max_code is OK; anything bigger is bad data */
- if (code > sinfo->max_code) {
- WARNMS(sinfo->cinfo, JWRN_GIF_BADDATA);
- incode = 0; /* prevent creation of loops in symbol table */
- }
- /* this symbol will be defined as oldcode/firstcode */
- *(sinfo->sp++) = (UINT8) sinfo->firstcode;
- code = sinfo->oldcode;
- }
-
- /* If it's a symbol, expand it into the stack */
- while (code >= sinfo->clear_code) {
- *(sinfo->sp++) = sinfo->symbol_tail[code]; /* tail is a byte value */
- code = sinfo->symbol_head[code]; /* head is another LZW symbol */
- }
- /* At this point code just represents a raw byte */
- sinfo->firstcode = code; /* save for possible future use */
-
- /* If there's room in table, */
- if ((code = sinfo->max_code) < LZW_TABLE_SIZE) {
- /* Define a new symbol = prev sym + head of this sym's expansion */
- sinfo->symbol_head[code] = sinfo->oldcode;
- sinfo->symbol_tail[code] = (UINT8) sinfo->firstcode;
- sinfo->max_code++;
- /* Is it time to increase code_size? */
- if ((sinfo->max_code >= sinfo->limit_code) &&
- (sinfo->code_size < MAX_LZW_BITS)) {
- sinfo->code_size++;
- sinfo->limit_code <<= 1; /* keep equal to 2^code_size */
- }
- }
-
- sinfo->oldcode = incode; /* save last input symbol for future use */
- return sinfo->firstcode; /* return first byte of symbol's expansion */
-}
-
-
-LOCAL void
-ReadColorMap (gif_source_ptr sinfo, int cmaplen, JSAMPARRAY cmap)
-/* Read a GIF colormap */
-{
- int i;
-
- for (i = 0; i < cmaplen; i++) {
- cmap[CM_RED][i] = (JSAMPLE) ReadByte(sinfo);
- cmap[CM_GREEN][i] = (JSAMPLE) ReadByte(sinfo);
- cmap[CM_BLUE][i] = (JSAMPLE) ReadByte(sinfo);
- }
-}
-
-
-LOCAL void
-DoExtension (gif_source_ptr sinfo)
-/* Process an extension block */
-/* Currently we ignore 'em all */
-{
- int extlabel;
-
- /* Read extension label byte */
- extlabel = ReadByte(sinfo);
- TRACEMS1(sinfo->cinfo, 1, JTRC_GIF_EXTENSION, extlabel);
- /* Skip the data block(s) associated with the extension */
- SkipDataBlocks(sinfo);
-}
-
-
-/*
- * Read the file header; return image size and component count.
- */
-
-METHODDEF void
-start_input_gif (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-{
- gif_source_ptr source = (gif_source_ptr) sinfo;
- char hdrbuf[10]; /* workspace for reading control blocks */
- unsigned int width, height; /* image dimensions */
- int colormaplen, aspectRatio;
- int c;
-
- /* Allocate space to store the colormap */
- source->colormap = (*cinfo->mem->alloc_sarray)
- ((j_common_ptr) cinfo, JPOOL_IMAGE,
- (JDIMENSION) MAXCOLORMAPSIZE, (JDIMENSION) NUMCOLORS);
-
- /* Read and verify GIF Header */
- if (! ReadOK(source->pub.input_file, hdrbuf, 6))
- ERREXIT(cinfo, JERR_GIF_NOT);
- if (hdrbuf[0] != 'G' || hdrbuf[1] != 'I' || hdrbuf[2] != 'F')
- ERREXIT(cinfo, JERR_GIF_NOT);
- /* Check for expected version numbers.
- * If unknown version, give warning and try to process anyway;
- * this is per recommendation in GIF89a standard.
- */
- if ((hdrbuf[3] != '8' || hdrbuf[4] != '7' || hdrbuf[5] != 'a') &&
- (hdrbuf[3] != '8' || hdrbuf[4] != '9' || hdrbuf[5] != 'a'))
- TRACEMS3(cinfo, 1, JTRC_GIF_BADVERSION, hdrbuf[3], hdrbuf[4], hdrbuf[5]);
-
- /* Read and decipher Logical Screen Descriptor */
- if (! ReadOK(source->pub.input_file, hdrbuf, 7))
- ERREXIT(cinfo, JERR_INPUT_EOF);
- width = LM_to_uint(hdrbuf[0],hdrbuf[1]);
- height = LM_to_uint(hdrbuf[2],hdrbuf[3]);
- colormaplen = 2 << (hdrbuf[4] & 0x07);
- /* we ignore the color resolution, sort flag, and background color index */
- aspectRatio = hdrbuf[6] & 0xFF;
- if (aspectRatio != 0 && aspectRatio != 49)
- TRACEMS(cinfo, 1, JTRC_GIF_NONSQUARE);
-
- /* Read global colormap if header indicates it is present */
- if (BitSet(hdrbuf[4], COLORMAPFLAG))
- ReadColorMap(source, colormaplen, source->colormap);
-
- /* Scan until we reach start of desired image.
- * We don't currently support skipping images, but could add it easily.
- */
- for (;;) {
- c = ReadByte(source);
-
- if (c == ';') /* GIF terminator?? */
- ERREXIT(cinfo, JERR_GIF_IMAGENOTFOUND);
-
- if (c == '!') { /* Extension */
- DoExtension(source);
- continue;
- }
-
- if (c != ',') { /* Not an image separator? */
- WARNMS1(cinfo, JWRN_GIF_CHAR, c);
- continue;
- }
-
- /* Read and decipher Local Image Descriptor */
- if (! ReadOK(source->pub.input_file, hdrbuf, 9))
- ERREXIT(cinfo, JERR_INPUT_EOF);
- /* we ignore top/left position info, also sort flag */
- width = LM_to_uint(hdrbuf[4],hdrbuf[5]);
- height = LM_to_uint(hdrbuf[6],hdrbuf[7]);
- source->is_interlaced = BitSet(hdrbuf[8], INTERLACE);
-
- /* Read local colormap if header indicates it is present */
- /* Note: if we wanted to support skipping images, */
- /* we'd need to skip rather than read colormap for ignored images */
- if (BitSet(hdrbuf[8], COLORMAPFLAG)) {
- colormaplen = 2 << (hdrbuf[8] & 0x07);
- ReadColorMap(source, colormaplen, source->colormap);
- }
-
- source->input_code_size = ReadByte(source); /* get min-code-size byte */
- if (source->input_code_size < 2 || source->input_code_size >= MAX_LZW_BITS)
- ERREXIT1(cinfo, JERR_GIF_CODESIZE, source->input_code_size);
-
- /* Reached desired image, so break out of loop */
- /* If we wanted to skip this image, */
- /* we'd call SkipDataBlocks and then continue the loop */
- break;
- }
-
- /* Prepare to read selected image: first initialize LZW decompressor */
- source->symbol_head = (UINT16 FAR *)
- (*cinfo->mem->alloc_large) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- LZW_TABLE_SIZE * SIZEOF(UINT16));
- source->symbol_tail = (UINT8 FAR *)
- (*cinfo->mem->alloc_large) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- LZW_TABLE_SIZE * SIZEOF(UINT8));
- source->symbol_stack = (UINT8 FAR *)
- (*cinfo->mem->alloc_large) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- LZW_TABLE_SIZE * SIZEOF(UINT8));
- InitLZWCode(source);
-
- /*
- * If image is interlaced, we read it into a full-size sample array,
- * decompressing as we go; then get_interlaced_row selects rows from the
- * sample array in the proper order.
- */
- if (source->is_interlaced) {
- /* We request the virtual array now, but can't access it until virtual
- * arrays have been allocated. Hence, the actual work of reading the
- * image is postponed until the first call to get_pixel_rows.
- */
- source->interlaced_image = (*cinfo->mem->request_virt_sarray)
- ((j_common_ptr) cinfo, JPOOL_IMAGE,
- (JDIMENSION) width, (JDIMENSION) height, (JDIMENSION) 1);
- if (cinfo->progress != NULL) {
- cd_progress_ptr progress = (cd_progress_ptr) cinfo->progress;
- progress->total_extra_passes++; /* count file input as separate pass */
- }
- source->pub.get_pixel_rows = load_interlaced_image;
- } else {
- source->pub.get_pixel_rows = get_pixel_rows;
- }
-
- /* Create compressor input buffer. */
- source->pub.buffer = (*cinfo->mem->alloc_sarray)
- ((j_common_ptr) cinfo, JPOOL_IMAGE,
- (JDIMENSION) width * NUMCOLORS, (JDIMENSION) 1);
- source->pub.buffer_height = 1;
-
- /* Return info about the image. */
- cinfo->in_color_space = JCS_RGB;
- cinfo->input_components = NUMCOLORS;
- cinfo->data_precision = 8;
- cinfo->image_width = width;
- cinfo->image_height = height;
-
- TRACEMS3(cinfo, 1, JTRC_GIF, width, height, colormaplen);
-}
-
-
-/*
- * Read one row of pixels.
- * This version is used for noninterlaced GIF images:
- * we read directly from the GIF file.
- */
-
-METHODDEF JDIMENSION
-get_pixel_rows (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-{
- gif_source_ptr source = (gif_source_ptr) sinfo;
- register int c;
- register JSAMPROW ptr;
- register JDIMENSION col;
- register JSAMPARRAY colormap = source->colormap;
-
- ptr = source->pub.buffer[0];
- for (col = cinfo->image_width; col > 0; col--) {
- c = LZWReadByte(source);
- *ptr++ = colormap[CM_RED][c];
- *ptr++ = colormap[CM_GREEN][c];
- *ptr++ = colormap[CM_BLUE][c];
- }
- return 1;
-}
-
-
-/*
- * Read one row of pixels.
- * This version is used for the first call on get_pixel_rows when
- * reading an interlaced GIF file: we read the whole image into memory.
- */
-
-METHODDEF JDIMENSION
-load_interlaced_image (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-{
- gif_source_ptr source = (gif_source_ptr) sinfo;
- JSAMPARRAY image_ptr;
- register JSAMPROW sptr;
- register JDIMENSION col;
- JDIMENSION row;
- cd_progress_ptr progress = (cd_progress_ptr) cinfo->progress;
-
- /* Read the interlaced image into the virtual array we've created. */
- for (row = 0; row < cinfo->image_height; row++) {
- if (progress != NULL) {
- progress->pub.pass_counter = (long) row;
- progress->pub.pass_limit = (long) cinfo->image_height;
- (*progress->pub.progress_monitor) ((j_common_ptr) cinfo);
- }
- image_ptr = (*cinfo->mem->access_virt_sarray)
- ((j_common_ptr) cinfo, source->interlaced_image, row, TRUE);
- sptr = image_ptr[0];
- for (col = cinfo->image_width; col > 0; col--) {
- *sptr++ = (JSAMPLE) LZWReadByte(source);
- }
- }
- if (progress != NULL)
- progress->completed_extra_passes++;
-
- /* Replace method pointer so subsequent calls don't come here. */
- source->pub.get_pixel_rows = get_interlaced_row;
- /* Initialize for get_interlaced_row, and perform first call on it. */
- source->cur_row_number = 0;
- source->pass2_offset = (cinfo->image_height + 7) / 8;
- source->pass3_offset = source->pass2_offset + (cinfo->image_height + 3) / 8;
- source->pass4_offset = source->pass3_offset + (cinfo->image_height + 1) / 4;
-
- return get_interlaced_row(cinfo, sinfo);
-}
-
-
-/*
- * Read one row of pixels.
- * This version is used for interlaced GIF images:
- * we read from the virtual array.
- */
-
-METHODDEF JDIMENSION
-get_interlaced_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-{
- gif_source_ptr source = (gif_source_ptr) sinfo;
- JSAMPARRAY image_ptr;
- register int c;
- register JSAMPROW sptr, ptr;
- register JDIMENSION col;
- register JSAMPARRAY colormap = source->colormap;
- JDIMENSION irow;
-
- /* Figure out which row of interlaced image is needed, and access it. */
- switch ((int) (source->cur_row_number & 7)) {
- case 0: /* first-pass row */
- irow = source->cur_row_number >> 3;
- break;
- case 4: /* second-pass row */
- irow = (source->cur_row_number >> 3) + source->pass2_offset;
- break;
- case 2: /* third-pass row */
- case 6:
- irow = (source->cur_row_number >> 2) + source->pass3_offset;
- break;
- default: /* fourth-pass row */
- irow = (source->cur_row_number >> 1) + source->pass4_offset;
- break;
- }
- image_ptr = (*cinfo->mem->access_virt_sarray)
- ((j_common_ptr) cinfo, source->interlaced_image, irow, FALSE);
- /* Scan the row, expand colormap, and output */
- sptr = image_ptr[0];
- ptr = source->pub.buffer[0];
- for (col = cinfo->image_width; col > 0; col--) {
- c = GETJSAMPLE(*sptr++);
- *ptr++ = colormap[CM_RED][c];
- *ptr++ = colormap[CM_GREEN][c];
- *ptr++ = colormap[CM_BLUE][c];
- }
- source->cur_row_number++; /* for next time */
- return 1;
-}
-
-
-/*
- * Finish up at the end of the file.
- */
-
-METHODDEF void
-finish_input_gif (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-{
- /* no work */
-}
-
-
-/*
- * The module selection routine for GIF format input.
- */
-
-GLOBAL cjpeg_source_ptr
-jinit_read_gif (j_compress_ptr cinfo)
-{
- gif_source_ptr source;
-
- /* Create module interface object */
- source = (gif_source_ptr)
- (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- SIZEOF(gif_source_struct));
- source->cinfo = cinfo; /* make back link for subroutines */
- /* Fill in method ptrs, except get_pixel_rows which start_input sets */
- source->pub.start_input = start_input_gif;
- source->pub.finish_input = finish_input_gif;
-
- return (cjpeg_source_ptr) source;
-}
-
-#endif /* GIF_SUPPORTED */
diff --git a/jpeg/rdjpgcom.1 b/jpeg/rdjpgcom.1
deleted file mode 100644
index d237bb828f..0000000000
--- a/jpeg/rdjpgcom.1
+++ /dev/null
@@ -1,44 +0,0 @@
-.TH RDJPGCOM 1 "8 July 1994"
-.SH NAME
-rdjpgcom \- display text comments from a JPEG file
-.SH SYNOPSIS
-.B rdjpgcom
-[
-.B \-verbose
-]
-[
-.I filename
-]
-.LP
-.SH DESCRIPTION
-.LP
-.B rdjpgcom
-reads the named JPEG/JFIF file, or the standard input if no file is named,
-and prints any text comments found in the file on the standard output.
-.PP
-The JPEG standard allows "comment" (COM) blocks to occur within a JPEG file.
-Although the standard doesn't actually define what COM blocks are for, they
-are widely used to hold user-supplied text strings. This lets you add
-annotations, titles, index terms, etc to your JPEG files, and later retrieve
-them as text. COM blocks do not interfere with the image stored in the JPEG
-file. The maximum size of a COM block is 64K, but you can have as many of
-them as you like in one JPEG file.
-.SH OPTIONS
-.TP
-.B \-verbose
-Causes
-.B rdjpgcom
-to also display the JPEG image dimensions.
-.PP
-Switch names may be abbreviated, and are not case sensitive.
-.SH HINTS
-.B rdjpgcom
-does not depend on the IJG JPEG library. Its source code is intended as an
-illustration of the minimum amount of code required to parse a JPEG file
-header correctly.
-.SH SEE ALSO
-.BR cjpeg (1),
-.BR djpeg (1),
-.BR wrjpgcom (1)
-.SH AUTHOR
-Independent JPEG Group
diff --git a/jpeg/rdjpgcom.c b/jpeg/rdjpgcom.c
deleted file mode 100644
index d121dc9aa9..0000000000
--- a/jpeg/rdjpgcom.c
+++ /dev/null
@@ -1,475 +0,0 @@
-/*
- * rdjpgcom.c
- *
- * Copyright (C) 1994, Thomas G. Lane.
- * This file is part of the Independent JPEG Group's software.
- * For conditions of distribution and use, see the accompanying README file.
- *
- * This file contains a very simple stand-alone application that displays
- * the text in COM (comment) markers in a JFIF file.
- * This may be useful as an example of the minimum logic needed to parse
- * JPEG markers.
- */
-
-#define JPEG_CJPEG_DJPEG /* to get the command-line config symbols */
-#include "jinclude.h" /* get auto-config symbols, <stdio.h> */
-
-#include <ctype.h> /* to declare isupper(), tolower() */
-#ifdef USE_SETMODE
-#include <fcntl.h> /* to declare setmode()'s parameter macros */
-/* If you have setmode() but not <io.h>, just delete this line: */
-#include <io.h> /* to declare setmode() */
-#endif
-
-#ifdef USE_CCOMMAND /* command-line reader for Macintosh */
-#ifdef __MWERKS__
-#include <SIOUX.h> /* Metrowerks declares it here */
-#endif
-#ifdef THINK_C
-#include <console.h> /* Think declares it here */
-#endif
-#endif
-
-#ifdef DONT_USE_B_MODE /* define mode parameters for fopen() */
-#define READ_BINARY "r"
-#else
-#define READ_BINARY "rb"
-#endif
-
-#ifndef EXIT_FAILURE /* define exit() codes if not provided */
-#define EXIT_FAILURE 1
-#endif
-#ifndef EXIT_SUCCESS
-#ifdef VMS
-#define EXIT_SUCCESS 1 /* VMS is very nonstandard */
-#else
-#define EXIT_SUCCESS 0
-#endif
-#endif
-
-
-/*
- * These macros are used to read the input file.
- * To reuse this code in another application, you might need to change these.
- */
-
-static FILE * infile; /* input JPEG file */
-
-/* Return next input byte, or EOF if no more */
-#define NEXTBYTE() getc(infile)
-
-
-/* Error exit handler */
-#define ERREXIT(msg) (fprintf(stderr, "%s\n", msg), exit(EXIT_FAILURE))
-
-
-/* Read one byte, testing for EOF */
-static int
-read_1_byte (void)
-{
- int c;
-
- c = NEXTBYTE();
- if (c == EOF)
- ERREXIT("Premature EOF in JPEG file");
- return c;
-}
-
-/* Read 2 bytes, convert to unsigned int */
-/* All 2-byte quantities in JPEG markers are MSB first */
-static unsigned int
-read_2_bytes (void)
-{
- int c1, c2;
-
- c1 = NEXTBYTE();
- if (c1 == EOF)
- ERREXIT("Premature EOF in JPEG file");
- c2 = NEXTBYTE();
- if (c2 == EOF)
- ERREXIT("Premature EOF in JPEG file");
- return (((unsigned int) c1) << 8) + ((unsigned int) c2);
-}
-
-
-/*
- * JPEG markers consist of one or more 0xFF bytes, followed by a marker
- * code byte (which is not an FF). Here are the marker codes of interest
- * in this program. (See jdmarker.c for a more complete list.)
- */
-
-#define M_SOF0 0xC0 /* Start Of Frame N */
-#define M_SOF1 0xC1 /* N indicates which compression process */
-#define M_SOF2 0xC2 /* Only SOF0 and SOF1 are now in common use */
-#define M_SOF3 0xC3
-#define M_SOF5 0xC5
-#define M_SOF6 0xC6
-#define M_SOF7 0xC7
-#define M_SOF9 0xC9
-#define M_SOF10 0xCA
-#define M_SOF11 0xCB
-#define M_SOF13 0xCD
-#define M_SOF14 0xCE
-#define M_SOF15 0xCF
-#define M_SOI 0xD8 /* Start Of Image (beginning of datastream) */
-#define M_EOI 0xD9 /* End Of Image (end of datastream) */
-#define M_SOS 0xDA /* Start Of Scan (begins compressed data) */
-#define M_COM 0xFE /* COMment */
-
-
-/*
- * Find the next JPEG marker and return its marker code.
- * We expect at least one FF byte, possibly more if the compressor used FFs
- * to pad the file.
- * There could also be non-FF garbage between markers. The treatment of such
- * garbage is unspecified; we choose to skip over it but emit a warning msg.
- * NB: this routine must not be used after seeing SOS marker, since it will
- * not deal correctly with FF/00 sequences in the compressed image data...
- */
-
-static int
-next_marker (void)
-{
- int c;
- int discarded_bytes = 0;
-
- /* Find 0xFF byte; count and skip any non-FFs. */
- c = read_1_byte();
- while (c != 0xFF) {
- discarded_bytes++;
- c = read_1_byte();
- }
- /* Get marker code byte, swallowing any duplicate FF bytes. Extra FFs
- * are legal as pad bytes, so don't count them in discarded_bytes.
- */
- do {
- c = read_1_byte();
- } while (c == 0xFF);
-
- if (discarded_bytes != 0) {
- fprintf(stderr, "Warning: garbage data found in JPEG file\n");
- }
-
- return c;
-}
-
-
-/*
- * Read the initial marker, which should be SOI.
- * For a JFIF file, the first two bytes of the file should be literally
- * 0xFF M_SOI. To be more general, we could use next_marker, but if the
- * input file weren't actually JPEG at all, next_marker might read the whole
- * file and then return a misleading error message...
- */
-
-static int
-first_marker (void)
-{
- int c1, c2;
-
- c1 = NEXTBYTE();
- c2 = NEXTBYTE();
- if (c1 != 0xFF || c2 != M_SOI)
- ERREXIT("Not a JPEG file");
- return c2;
-}
-
-
-/*
- * Most types of marker are followed by a variable-length parameter segment.
- * This routine skips over the parameters for any marker we don't otherwise
- * want to process.
- * Note that we MUST skip the parameter segment explicitly in order not to
- * be fooled by 0xFF bytes that might appear within the parameter segment;
- * such bytes do NOT introduce new markers.
- */
-
-static void
-skip_variable (void)
-/* Skip over an unknown or uninteresting variable-length marker */
-{
- unsigned int length;
-
- /* Get the marker parameter length count */
- length = read_2_bytes();
- /* Length includes itself, so must be at least 2 */
- if (length < 2)
- ERREXIT("Erroneous JPEG marker length");
- length -= 2;
- /* Skip over the remaining bytes */
- while (length > 0) {
- (void) read_1_byte();
- length--;
- }
-}
-
-
-/*
- * Process a COM marker.
- * We want to print out the marker contents as legible text;
- * we must guard against random junk and varying newline representations.
- */
-
-static void
-process_COM (void)
-{
- unsigned int length;
- int ch;
- int lastch = 0;
-
- /* Get the marker parameter length count */
- length = read_2_bytes();
- /* Length includes itself, so must be at least 2 */
- if (length < 2)
- ERREXIT("Erroneous JPEG marker length");
- length -= 2;
-
- while (length > 0) {
- ch = read_1_byte();
- /* Emit the character in a readable form.
- * Nonprintables are converted to \nnn form,
- * while \ is converted to \\.
- * Newlines in CR, CR/LF, or LF form will be printed as one newline.
- */
- if (ch == '\r') {
- printf("\n");
- } else if (ch == '\n') {
- if (lastch != '\r')
- printf("\n");
- } else if (ch == '\\') {
- printf("\\\\");
- } else if (isprint(ch)) {
- putc(ch, stdout);
- } else {
- printf("\\%03o", ch);
- }
- lastch = ch;
- length--;
- }
- printf("\n");
-}
-
-
-/*
- * Process a SOFn marker.
- * This code is only needed if you want to know the image dimensions...
- */
-
-static void
-process_SOFn (int marker)
-{
- unsigned int length;
- unsigned int image_height, image_width;
- int data_precision, num_components;
- const char * process;
- int ci, c1, c2, c3;
-
- length = read_2_bytes(); /* usual parameter length count */
-
- data_precision = read_1_byte();
- image_height = read_2_bytes();
- image_width = read_2_bytes();
- num_components = read_1_byte();
-
- switch (marker) {
- case M_SOF0: process = "Baseline"; break;
- case M_SOF1: process = "Extended sequential"; break;
- case M_SOF2: process = "Progressive"; break;
- case M_SOF3: process = "Lossless"; break;
- case M_SOF5: process = "Differential sequential"; break;
- case M_SOF6: process = "Differential progressive"; break;
- case M_SOF7: process = "Differential lossless"; break;
- case M_SOF9: process = "Extended sequential, arithmetic coding"; break;
- case M_SOF10: process = "Progressive, arithmetic coding"; break;
- case M_SOF11: process = "Lossless, arithmetic coding"; break;
- case M_SOF13: process = "Differential sequential, arithmetic coding"; break;
- case M_SOF14: process = "Differential progressive, arithmetic coding"; break;
- case M_SOF15: process = "Differential lossless, arithmetic coding"; break;
- default: process = "Unknown"; break;
- }
-
- printf("JPEG image is %uw * %uh, %d color components, %d bits per sample\n",
- image_width, image_height, num_components, data_precision);
- printf("JPEG process: %s\n", process);
-
- if (length != (unsigned int) (8 + num_components * 3))
- ERREXIT("Bogus SOF marker length");
-
- for (ci = 0; ci < num_components; ci++) {
- c1 = read_1_byte(); /* Component ID code */
- c2 = read_1_byte(); /* H, V sampling factors */
- c3 = read_1_byte(); /* Quant table number */
- }
-}
-
-
-/*
- * Parse the marker stream until SOS or EOI is seen;
- * display any COM markers.
- * While the companion program wrjpgcom will always insert COM markers before
- * SOFn, other implementations might not, so we scan to SOS before stopping.
- * If we were only interested in the image dimensions, we would stop at SOFn.
- * (Conversely, if we only cared about COM markers, there would be no need
- * for special code to handle SOFn; we could treat it like other markers.)
- */
-
-static int
-scan_JPEG_header (int verbose)
-{
- int marker;
-
- /* Expect SOI at start of file */
- if (first_marker() != M_SOI)
- ERREXIT("Expected SOI marker first");
-
- /* Scan miscellaneous markers until we reach SOS. */
- for (;;) {
- marker = next_marker();
- switch (marker) {
- case M_SOF0: /* Baseline */
- case M_SOF1: /* Extended sequential, Huffman */
- case M_SOF2: /* Progressive, Huffman */
- case M_SOF3: /* Lossless, Huffman */
- case M_SOF5: /* Differential sequential, Huffman */
- case M_SOF6: /* Differential progressive, Huffman */
- case M_SOF7: /* Differential lossless, Huffman */
- case M_SOF9: /* Extended sequential, arithmetic */
- case M_SOF10: /* Progressive, arithmetic */
- case M_SOF11: /* Lossless, arithmetic */
- case M_SOF13: /* Differential sequential, arithmetic */
- case M_SOF14: /* Differential progressive, arithmetic */
- case M_SOF15: /* Differential lossless, arithmetic */
- if (verbose)
- process_SOFn(marker);
- else
- skip_variable();
- break;
-
- case M_SOS: /* stop before hitting compressed data */
- return marker;
-
- case M_EOI: /* in case it's a tables-only JPEG stream */
- return marker;
-
- case M_COM:
- process_COM();
- break;
-
- default: /* Anything else just gets skipped */
- skip_variable(); /* we assume it has a parameter count... */
- break;
- }
- } /* end loop */
-}
-
-
-/* Command line parsing code */
-
-static const char * progname; /* program name for error messages */
-
-
-static void
-usage (void)
-/* complain about bad command line */
-{
- fprintf(stderr, "rdjpgcom displays any textual comments in a JPEG file.\n");
-
- fprintf(stderr, "Usage: %s [switches] [inputfile]\n", progname);
-
- fprintf(stderr, "Switches (names may be abbreviated):\n");
- fprintf(stderr, " -verbose Also display dimensions of JPEG image\n");
-
- exit(EXIT_FAILURE);
-}
-
-
-static int
-keymatch (char * arg, const char * keyword, int minchars)
-/* Case-insensitive matching of (possibly abbreviated) keyword switches. */
-/* keyword is the constant keyword (must be lower case already), */
-/* minchars is length of minimum legal abbreviation. */
-{
- register int ca, ck;
- register int nmatched = 0;
-
- while ((ca = *arg++) != '\0') {
- if ((ck = *keyword++) == '\0')
- return 0; /* arg longer than keyword, no good */
- if (isupper(ca)) /* force arg to lcase (assume ck is already) */
- ca = tolower(ca);
- if (ca != ck)
- return 0; /* no good */
- nmatched++; /* count matched characters */
- }
- /* reached end of argument; fail if it's too short for unique abbrev */
- if (nmatched < minchars)
- return 0;
- return 1; /* A-OK */
-}
-
-
-/*
- * The main program.
- */
-
-int
-main (int argc, char **argv)
-{
- int argn;
- char * arg;
- int verbose = 0;
-
- /* On Mac, fetch a command line. */
-#ifdef USE_CCOMMAND
- argc = ccommand(&argv);
-#endif
-
- progname = argv[0];
- if (progname == NULL || progname[0] == 0)
- progname = "rdjpgcom"; /* in case C library doesn't provide it */
-
- /* Parse switches, if any */
- for (argn = 1; argn < argc; argn++) {
- arg = argv[argn];
- if (arg[0] != '-')
- break; /* not switch, must be file name */
- arg++; /* advance over '-' */
- if (keymatch(arg, "verbose", 1)) {
- verbose++;
- } else
- usage();
- }
-
- /* Open the input file. */
- /* Unix style: expect zero or one file name */
- if (argn < argc-1) {
- fprintf(stderr, "%s: only one input file\n", progname);
- usage();
- }
- if (argn < argc) {
- if ((infile = fopen(argv[argn], READ_BINARY)) == NULL) {
- fprintf(stderr, "%s: can't open %s\n", progname, argv[argn]);
- exit(EXIT_FAILURE);
- }
- } else {
- /* default input file is stdin */
-#ifdef USE_SETMODE /* need to hack file mode? */
- setmode(fileno(stdin), O_BINARY);
-#endif
-#ifdef USE_FDOPEN /* need to re-open in binary mode? */
- if ((infile = fdopen(fileno(stdin), READ_BINARY)) == NULL) {
- fprintf(stderr, "%s: can't open stdin\n", progname);
- exit(EXIT_FAILURE);
- }
-#else
- infile = stdin;
-#endif
- }
-
- /* Scan the JPEG headers. */
- (void) scan_JPEG_header(verbose);
-
- /* All done. */
- exit(EXIT_SUCCESS);
- return 0; /* suppress no-return-value warnings */
-}
diff --git a/jpeg/rdppm.c b/jpeg/rdppm.c
deleted file mode 100644
index 6aa8e6fdf8..0000000000
--- a/jpeg/rdppm.c
+++ /dev/null
@@ -1,384 +0,0 @@
-/*
- * rdppm.c
- *
- * Copyright (C) 1991-1994, Thomas G. Lane.
- * This file is part of the Independent JPEG Group's software.
- * For conditions of distribution and use, see the accompanying README file.
- *
- * This file contains routines to read input images in PPM/PGM format.
- * The PBMPLUS library is NOT required to compile this software
- * (but it is highly useful as a set of PPM image manipulation programs).
- *
- * These routines may need modification for non-Unix environments or
- * specialized applications. As they stand, they assume input from
- * an ordinary stdio stream. They further assume that reading begins
- * at the start of the file; start_input may need work if the
- * user interface has already read some data (e.g., to determine that
- * the file is indeed PPM format).
- */
-
-#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */
-
-#ifdef PPM_SUPPORTED
-
-
-/* Portions of this code are based on the PBMPLUS library, which is:
-**
-** Copyright (C) 1988 by Jef Poskanzer.
-**
-** Permission to use, copy, modify, and distribute this software and its
-** documentation for any purpose and without fee is hereby granted, provided
-** that the above copyright notice appear in all copies and that both that
-** copyright notice and this permission notice appear in supporting
-** documentation. This software is provided "as is" without express or
-** implied warranty.
-*/
-
-
-/* Macros to deal with unsigned chars as efficiently as compiler allows */
-
-#ifdef HAVE_UNSIGNED_CHAR
-typedef unsigned char U_CHAR;
-#define UCH(x) ((int) (x))
-#else /* !HAVE_UNSIGNED_CHAR */
-#ifdef CHAR_IS_UNSIGNED
-typedef char U_CHAR;
-#define UCH(x) ((int) (x))
-#else
-typedef char U_CHAR;
-#define UCH(x) ((int) (x) & 0xFF)
-#endif
-#endif /* HAVE_UNSIGNED_CHAR */
-
-
-#define ReadOK(file,buffer,len) (JFREAD(file,buffer,len) == ((size_t) (len)))
-
-
-/*
- * On most systems, reading individual bytes with getc() is drastically less
- * efficient than buffering a row at a time with fread(). On PCs, we must
- * allocate the buffer in near data space, because we are assuming small-data
- * memory model, wherein fread() can't reach far memory. If you need to
- * process very wide images on a PC, you might have to compile in large-memory
- * model, or else replace fread() with a getc() loop --- which will be much
- * slower.
- */
-
-
-/* Private version of data source object */
-
-typedef struct {
- struct cjpeg_source_struct pub; /* public fields */
-
- U_CHAR *iobuffer; /* non-FAR pointer to I/O buffer */
- JSAMPROW pixrow; /* FAR pointer to same */
- JDIMENSION buffer_width; /* width of one row */
- JSAMPLE *rescale; /* => maxval-remapping array, or NULL */
-} ppm_source_struct;
-
-typedef ppm_source_struct * ppm_source_ptr;
-
-
-LOCAL int
-pbm_getc (FILE * infile)
-/* Read next char, skipping over any comments */
-/* A comment/newline sequence is returned as a newline */
-{
- register int ch;
-
- ch = getc(infile);
- if (ch == '#') {
- do {
- ch = getc(infile);
- } while (ch != '\n' && ch != EOF);
- }
- return ch;
-}
-
-
-LOCAL unsigned int
-read_pbm_integer (j_compress_ptr cinfo, FILE * infile)
-/* Read an unsigned decimal integer from the PPM file */
-/* Swallows one trailing character after the integer */
-/* Note that on a 16-bit-int machine, only values up to 64k can be read. */
-/* This should not be a problem in practice. */
-{
- register int ch;
- register unsigned int val;
-
- /* Skip any leading whitespace */
- do {
- ch = pbm_getc(infile);
- if (ch == EOF)
- ERREXIT(cinfo, JERR_INPUT_EOF);
- } while (ch == ' ' || ch == '\t' || ch == '\n' || ch == '\r');
-
- if (ch < '0' || ch > '9')
- ERREXIT(cinfo, JERR_PPM_NONNUMERIC);
-
- val = ch - '0';
- while ((ch = pbm_getc(infile)) >= '0' && ch <= '9') {
- val *= 10;
- val += ch - '0';
- }
- return val;
-}
-
-
-/*
- * Read one row of pixels.
- *
- * We provide several different versions depending on input file format.
- * In all cases, input is scaled to the size of JSAMPLE.
- *
- * Note that a really fast path is provided for reading raw files with
- * maxval = MAXJSAMPLE, which is the normal case (at least for 8-bit JSAMPLEs).
- */
-
-
-METHODDEF JDIMENSION
-get_text_gray_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-/* This version is for reading text-format PGM files with any maxval */
-{
- ppm_source_ptr source = (ppm_source_ptr) sinfo;
- FILE * infile = source->pub.input_file;
- register JSAMPROW ptr;
- register JSAMPLE *rescale = source->rescale;
- JDIMENSION col;
-
- ptr = source->pub.buffer[0];
- for (col = cinfo->image_width; col > 0; col--) {
- *ptr++ = rescale[read_pbm_integer(cinfo, infile)];
- }
- return 1;
-}
-
-
-METHODDEF JDIMENSION
-get_text_rgb_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-/* This version is for reading text-format PPM files with any maxval */
-{
- ppm_source_ptr source = (ppm_source_ptr) sinfo;
- FILE * infile = source->pub.input_file;
- register JSAMPROW ptr;
- register JSAMPLE *rescale = source->rescale;
- JDIMENSION col;
-
- ptr = source->pub.buffer[0];
- for (col = cinfo->image_width; col > 0; col--) {
- *ptr++ = rescale[read_pbm_integer(cinfo, infile)];
- *ptr++ = rescale[read_pbm_integer(cinfo, infile)];
- *ptr++ = rescale[read_pbm_integer(cinfo, infile)];
- }
- return 1;
-}
-
-
-METHODDEF JDIMENSION
-get_scaled_gray_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-/* This version is for reading raw-format PGM files with any maxval */
-{
- ppm_source_ptr source = (ppm_source_ptr) sinfo;
- register JSAMPROW ptr;
- register U_CHAR * bufferptr;
- register JSAMPLE *rescale = source->rescale;
- JDIMENSION col;
-
- if (! ReadOK(source->pub.input_file, source->iobuffer, source->buffer_width))
- ERREXIT(cinfo, JERR_INPUT_EOF);
- ptr = source->pub.buffer[0];
- bufferptr = source->iobuffer;
- for (col = cinfo->image_width; col > 0; col--) {
- *ptr++ = rescale[UCH(*bufferptr++)];
- }
- return 1;
-}
-
-
-METHODDEF JDIMENSION
-get_scaled_rgb_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-/* This version is for reading raw-format PPM files with any maxval */
-{
- ppm_source_ptr source = (ppm_source_ptr) sinfo;
- register JSAMPROW ptr;
- register U_CHAR * bufferptr;
- register JSAMPLE *rescale = source->rescale;
- JDIMENSION col;
-
- if (! ReadOK(source->pub.input_file, source->iobuffer, source->buffer_width))
- ERREXIT(cinfo, JERR_INPUT_EOF);
- ptr = source->pub.buffer[0];
- bufferptr = source->iobuffer;
- for (col = cinfo->image_width; col > 0; col--) {
- *ptr++ = rescale[UCH(*bufferptr++)];
- *ptr++ = rescale[UCH(*bufferptr++)];
- *ptr++ = rescale[UCH(*bufferptr++)];
- }
- return 1;
-}
-
-
-METHODDEF JDIMENSION
-get_raw_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-/* This version is for reading raw-format files with maxval = MAXJSAMPLE. */
-/* In this case we just read right into the JSAMPLE buffer! */
-/* Note that same code works for PPM and PGM files. */
-{
- ppm_source_ptr source = (ppm_source_ptr) sinfo;
-
- if (! ReadOK(source->pub.input_file, source->iobuffer, source->buffer_width))
- ERREXIT(cinfo, JERR_INPUT_EOF);
- return 1;
-}
-
-
-/*
- * Read the file header; return image size and component count.
- */
-
-METHODDEF void
-start_input_ppm (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-{
- ppm_source_ptr source = (ppm_source_ptr) sinfo;
- int c;
- unsigned int w, h, maxval;
- boolean can_use_raw;
-
- if (getc(source->pub.input_file) != 'P')
- ERREXIT(cinfo, JERR_PPM_NOT);
-
- c = getc(source->pub.input_file); /* save format discriminator for a sec */
-
- /* while we fetch the remaining header info */
- w = read_pbm_integer(cinfo, source->pub.input_file);
- h = read_pbm_integer(cinfo, source->pub.input_file);
- maxval = read_pbm_integer(cinfo, source->pub.input_file);
-
- if (w <= 0 || h <= 0 || maxval <= 0) /* error check */
- ERREXIT(cinfo, JERR_PPM_NOT);
-
- cinfo->data_precision = BITS_IN_JSAMPLE; /* we always rescale data to this */
- cinfo->image_width = (JDIMENSION) w;
- cinfo->image_height = (JDIMENSION) h;
-
- /* Raw PPM/PGM matches JSAMPLE representation iff: */
- can_use_raw = (maxval == MAXJSAMPLE && SIZEOF(JSAMPLE) == SIZEOF(U_CHAR));
-
- switch (c) {
- case '2': /* it's a text-format PGM file */
- cinfo->input_components = 1;
- cinfo->in_color_space = JCS_GRAYSCALE;
- TRACEMS2(cinfo, 1, JTRC_PGM_TEXT, w, h);
- source->pub.get_pixel_rows = get_text_gray_row;
- can_use_raw = FALSE; /* force a rescale array to be made */
- break;
-
- case '3': /* it's a text-format PPM file */
- cinfo->input_components = 3;
- cinfo->in_color_space = JCS_RGB;
- TRACEMS2(cinfo, 1, JTRC_PPM_TEXT, w, h);
- source->pub.get_pixel_rows = get_text_rgb_row;
- can_use_raw = FALSE; /* force a rescale array to be made */
- break;
-
- case '5': /* it's a raw-format PGM file */
- cinfo->input_components = 1;
- cinfo->in_color_space = JCS_GRAYSCALE;
- TRACEMS2(cinfo, 1, JTRC_PGM, w, h);
- if (can_use_raw)
- source->pub.get_pixel_rows = get_raw_row;
- else
- source->pub.get_pixel_rows = get_scaled_gray_row;
- /* allocate space for I/O buffer: 1 byte/pixel */
- source->iobuffer = (U_CHAR *)
- (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- (size_t) (SIZEOF(U_CHAR) * (size_t) w));
- break;
-
- case '6': /* it's a raw-format PPM file */
- cinfo->input_components = 3;
- cinfo->in_color_space = JCS_RGB;
- TRACEMS2(cinfo, 1, JTRC_PPM, w, h);
- if (can_use_raw)
- source->pub.get_pixel_rows = get_raw_row;
- else
- source->pub.get_pixel_rows = get_scaled_rgb_row;
- /* allocate space for I/O buffer: 3 bytes/pixel */
- source->iobuffer = (U_CHAR *)
- (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- (size_t) (3 * SIZEOF(U_CHAR) * (size_t) w));
- break;
-
- default:
- ERREXIT(cinfo, JERR_PPM_NOT);
- break;
- }
-
- /* Create compressor input buffer. */
- source->buffer_width = (JDIMENSION) w * cinfo->input_components;
- if (can_use_raw) {
- /* For unscaled raw-input case, we can just map it onto the I/O buffer. */
- /* Synthesize a JSAMPARRAY pointer structure */
- /* Cast here implies near->far pointer conversion on PCs */
- source->pixrow = (JSAMPROW) source->iobuffer;
- source->pub.buffer = & source->pixrow;
- source->pub.buffer_height = 1;
- } else {
- /* Need to translate anyway, so make a separate sample buffer. */
- source->pub.buffer = (*cinfo->mem->alloc_sarray)
- ((j_common_ptr) cinfo, JPOOL_IMAGE,
- source->buffer_width, (JDIMENSION) 1);
- source->pub.buffer_height = 1;
- }
-
- /* Compute the rescaling array if required (we use it for all but raw) */
- if (can_use_raw) {
- source->rescale = NULL; /* no rescaling required */
- } else {
- INT32 val, half_maxval;
-
- /* On 16-bit-int machines we have to be careful of maxval = 65535 */
- source->rescale = (JSAMPLE *)
- (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- (size_t) (((long) maxval + 1L) * SIZEOF(JSAMPLE)));
- half_maxval = maxval / 2;
- for (val = 0; val <= (INT32) maxval; val++) {
- /* The multiplication here must be done in 32 bits to avoid overflow */
- source->rescale[val] = (JSAMPLE) ((val*MAXJSAMPLE + half_maxval)/maxval);
- }
- }
-}
-
-
-/*
- * Finish up at the end of the file.
- */
-
-METHODDEF void
-finish_input_ppm (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-{
- /* no work */
-}
-
-
-/*
- * The module selection routine for PPM format input.
- */
-
-GLOBAL cjpeg_source_ptr
-jinit_read_ppm (j_compress_ptr cinfo)
-{
- ppm_source_ptr source;
-
- /* Create module interface object */
- source = (ppm_source_ptr)
- (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- SIZEOF(ppm_source_struct));
- /* Fill in method ptrs, except get_pixel_rows which start_input sets */
- source->pub.start_input = start_input_ppm;
- source->pub.finish_input = finish_input_ppm;
-
- return (cjpeg_source_ptr) source;
-}
-
-#endif /* PPM_SUPPORTED */
diff --git a/jpeg/rdraw.c b/jpeg/rdraw.c
deleted file mode 100644
index 4d40f7118a..0000000000
--- a/jpeg/rdraw.c
+++ /dev/null
@@ -1,383 +0,0 @@
-/*
- * rdraw.c
- *
- * Copyright (C) 1991-1994, Thomas G. Lane.
- * This file is part of the Independent JPEG Group's software.
- * For conditions of distribution and use, see the accompanying README file.
- *
- * This file contains routines to read input images in PPM/PGM format.
- * The PBMPLUS library is NOT required to compile this software
- * (but it is highly useful as a set of PPM image manipulation programs).
- *
- * These routines may need modification for non-Unix environments or
- * specialized applications. As they stand, they assume input from
- * an ordinary stdio stream. They further assume that reading begins
- * at the start of the file; start_input may need work if the
- * user interface has already read some data (e.g., to determine that
- * the file is indeed PPM format).
- */
-
-#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */
-
-#ifdef RAW_SUPPORTED
-
-
-/* Portions of this code are based on the PBMPLUS library, which is:
-**
-** Copyright (C) 1988 by Jef Poskanzer.
-**
-** Permission to use, copy, modify, and distribute this software and its
-** documentation for any purpose and without fee is hereby granted, provided
-** that the above copyright notice appear in all copies and that both that
-** copyright notice and this permission notice appear in supporting
-** documentation. This software is provided "as is" without express or
-** implied warranty.
-*/
-
-
-/* Macros to deal with unsigned chars as efficiently as compiler allows */
-
-#ifdef HAVE_UNSIGNED_CHAR
-typedef unsigned char U_CHAR;
-#define UCH(x) ((int) (x))
-#else /* !HAVE_UNSIGNED_CHAR */
-#ifdef CHAR_IS_UNSIGNED
-typedef char U_CHAR;
-#define UCH(x) ((int) (x))
-#else
-typedef char U_CHAR;
-#define UCH(x) ((int) (x) & 0xFF)
-#endif
-#endif /* HAVE_UNSIGNED_CHAR */
-
-
-#define ReadOK(file,buffer,len) (JFREAD(file,buffer,len) == ((size_t) (len)))
-
-
-/*
- * On most systems, reading individual bytes with getc() is drastically less
- * efficient than buffering a row at a time with fread(). On PCs, we must
- * allocate the buffer in near data space, because we are assuming small-data
- * memory model, wherein fread() can't reach far memory. If you need to
- * process very wide images on a PC, you might have to compile in large-memory
- * model, or else replace fread() with a getc() loop --- which will be much
- * slower.
- */
-
-
-/* Private version of data source object */
-
-typedef struct {
- struct cjpeg_source_struct pub; /* public fields */
-
- U_CHAR *iobuffer; /* non-FAR pointer to I/O buffer */
- JSAMPROW pixrow; /* FAR pointer to same */
- JDIMENSION buffer_width; /* width of one row */
- JSAMPLE *rescale; /* => maxval-remapping array, or NULL */
-} raw_source_struct;
-
-typedef raw_source_struct * raw_source_ptr;
-
-
-LOCAL int
-pbm_getc (FILE * infile)
-/* Read next char, skipping over any comments */
-/* A comment/newline sequence is returned as a newline */
-{
- register int ch;
-
- ch = getc(infile);
- if (ch == '#') {
- do {
- ch = getc(infile);
- } while (ch != '\n' && ch != EOF);
- }
- return ch;
-}
-
-
-LOCAL unsigned int
-read_pbm_integer (j_compress_ptr cinfo, FILE * infile)
-/* Read an unsigned decimal integer from the PPM file */
-/* Swallows one trailing character after the integer */
-/* Note that on a 16-bit-int machine, only values up to 64k can be read. */
-/* This should not be a problem in practice. */
-{
- register int ch;
- register unsigned int val;
-
- /* Skip any leading whitespace */
- do {
- ch = pbm_getc(infile);
- if (ch == EOF)
- ERREXIT(cinfo, JERR_INPUT_EOF);
- } while (ch == ' ' || ch == '\t' || ch == '\n' || ch == '\r');
-
- if (ch < '0' || ch > '9')
- ERREXIT(cinfo, JERR_PPM_NONNUMERIC);
-
- val = ch - '0';
- while ((ch = pbm_getc(infile)) >= '0' && ch <= '9') {
- val *= 10;
- val += ch - '0';
- }
- return val;
-}
-
-
-/*
- * Read one row of pixels.
- *
- * We provide several different versions depending on input file format.
- * In all cases, input is scaled to the size of JSAMPLE.
- *
- * Note that a really fast path is provided for reading raw files with
- * maxval = MAXJSAMPLE, which is the normal case (at least for 8-bit JSAMPLEs).
- */
-
-
-METHODDEF JDIMENSION
-get_text_gray_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-/* This version is for reading text-format PGM files with any maxval */
-{
- raw_source_ptr source = (raw_source_ptr) sinfo;
- FILE * infile = source->pub.input_file;
- register JSAMPROW ptr;
- register JSAMPLE *rescale = source->rescale;
- JDIMENSION col;
-
- ptr = source->pub.buffer[0];
- for (col = cinfo->image_width; col > 0; col--) {
- *ptr++ = rescale[read_pbm_integer(cinfo, infile)];
- }
- return 1;
-}
-
-
-METHODDEF JDIMENSION
-get_text_rgb_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-/* This version is for reading text-format PPM files with any maxval */
-{
- raw_source_ptr source = (raw_source_ptr) sinfo;
- FILE * infile = source->pub.input_file;
- register JSAMPROW ptr;
- register JSAMPLE *rescale = source->rescale;
- JDIMENSION col;
-
- ptr = source->pub.buffer[0];
- for (col = cinfo->image_width; col > 0; col--) {
- *ptr++ = rescale[read_pbm_integer(cinfo, infile)];
- *ptr++ = rescale[read_pbm_integer(cinfo, infile)];
- *ptr++ = rescale[read_pbm_integer(cinfo, infile)];
- }
- return 1;
-}
-
-
-METHODDEF JDIMENSION
-get_scaled_gray_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-/* This version is for reading raw-format PGM files with any maxval */
-{
- raw_source_ptr source = (raw_source_ptr) sinfo;
- register JSAMPROW ptr;
- register U_CHAR * bufferptr;
- register JSAMPLE *rescale = source->rescale;
- JDIMENSION col;
-
- if (! ReadOK(source->pub.input_file, source->iobuffer, source->buffer_width))
- ERREXIT(cinfo, JERR_INPUT_EOF);
- ptr = source->pub.buffer[0];
- bufferptr = source->iobuffer;
- for (col = cinfo->image_width; col > 0; col--) {
- *ptr++ = rescale[UCH(*bufferptr++)];
- }
- return 1;
-}
-
-
-METHODDEF JDIMENSION
-get_scaled_rgb_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-/* This version is for reading raw-format PPM files with any maxval */
-{
- raw_source_ptr source = (raw_source_ptr) sinfo;
- register JSAMPROW ptr;
- register U_CHAR * bufferptr;
- register JSAMPLE *rescale = source->rescale;
- JDIMENSION col;
-
- if (! ReadOK(source->pub.input_file, source->iobuffer, source->buffer_width))
- ERREXIT(cinfo, JERR_INPUT_EOF);
- ptr = source->pub.buffer[0];
- bufferptr = source->iobuffer;
- for (col = cinfo->image_width; col > 0; col--) {
- *ptr++ = rescale[UCH(*bufferptr++)];
- *ptr++ = rescale[UCH(*bufferptr++)];
- *ptr++ = rescale[UCH(*bufferptr++)];
- }
- return 1;
-}
-
-
-METHODDEF JDIMENSION
-get_raw_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-/* This version is for reading raw-format files with maxval = MAXJSAMPLE. */
-/* In this case we just read right into the JSAMPLE buffer! */
-/* Note that same code works for PPM and PGM files. */
-{
- raw_source_ptr source = (raw_source_ptr) sinfo;
-
- if (! ReadOK(source->pub.input_file, source->iobuffer, source->buffer_width))
- ERREXIT(cinfo, JERR_INPUT_EOF);
- return 1;
-}
-
-
-/*
- * Read the file header; return image size and component count.
- */
-
-METHODDEF void
-start_input (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-{
- raw_source_ptr source = (raw_source_ptr) sinfo;
- int c;
- unsigned int w, h, maxval;
- boolean can_use_raw;
-
- if (getc(source->pub.input_file) != 'P')
- ERREXIT(cinfo, JERR_PPM_NOT);
-
- c = getc(source->pub.input_file); /* save format discriminator for a sec */
-
- /* while we fetch the remaining header info */
- w = read_pbm_integer(cinfo, source->pub.input_file);
- h = read_pbm_integer(cinfo, source->pub.input_file);
- maxval = read_pbm_integer(cinfo, source->pub.input_file);
-
- if (w <= 0 || h <= 0 || maxval <= 0) /* error check */
- ERREXIT(cinfo, JERR_PPM_NOT);
-
- cinfo->image_width = (JDIMENSION) w;
- cinfo->image_height = (JDIMENSION) h;
-
- /* Raw PPM/PGM matches JSAMPLE representation iff: */
- can_use_raw = (maxval == MAXJSAMPLE && SIZEOF(JSAMPLE) == SIZEOF(U_CHAR));
-
- switch (c) {
- case '2': /* it's a text-format PGM file */
- cinfo->input_components = 1;
- cinfo->in_color_space = JCS_GRAYSCALE;
- TRACEMS2(cinfo, 1, JTRC_PGM_TEXT, w, h);
- source->pub.get_pixel_rows = get_text_gray_row;
- can_use_raw = FALSE; /* force a rescale array to be made */
- break;
-
- case '3': /* it's a text-format PPM file */
- cinfo->input_components = 3;
- cinfo->in_color_space = JCS_RGB;
- TRACEMS2(cinfo, 1, JTRC_PPM_TEXT, w, h);
- source->pub.get_pixel_rows = get_text_rgb_row;
- can_use_raw = FALSE; /* force a rescale array to be made */
- break;
-
- case '5': /* it's a raw-format PGM file */
- cinfo->input_components = 1;
- cinfo->in_color_space = JCS_GRAYSCALE;
- TRACEMS2(cinfo, 1, JTRC_PGM, w, h);
- if (can_use_raw)
- source->pub.get_pixel_rows = get_raw_row;
- else
- source->pub.get_pixel_rows = get_scaled_gray_row;
- /* allocate space for I/O buffer: 1 byte/pixel */
- source->iobuffer = (U_CHAR *)
- (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- (size_t) (SIZEOF(U_CHAR) * (size_t) w));
- break;
-
- case '6': /* it's a raw-format PPM file */
- cinfo->input_components = 3;
- cinfo->in_color_space = JCS_RGB;
- TRACEMS2(cinfo, 1, JTRC_PPM, w, h);
- if (can_use_raw)
- source->pub.get_pixel_rows = get_raw_row;
- else
- source->pub.get_pixel_rows = get_scaled_rgb_row;
- /* allocate space for I/O buffer: 3 bytes/pixel */
- source->iobuffer = (U_CHAR *)
- (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- (size_t) (3 * SIZEOF(U_CHAR) * (size_t) w));
- break;
-
- default:
- ERREXIT(cinfo, JERR_PPM_NOT);
- break;
- }
-
- /* Create compressor input buffer. */
- source->buffer_width = (JDIMENSION) w * cinfo->input_components;
- if (can_use_raw) {
- /* For unscaled raw-input case, we can just map it onto the I/O buffer. */
- /* Synthesize a JSAMPARRAY pointer structure */
- /* Cast here implies near->far pointer conversion on PCs */
- source->pixrow = (JSAMPROW) source->iobuffer;
- source->pub.buffer = & source->pixrow;
- source->pub.buffer_height = 1;
- } else {
- /* Need to translate anyway, so make a separate sample buffer. */
- source->pub.buffer = (*cinfo->mem->alloc_sarray)
- ((j_common_ptr) cinfo, JPOOL_IMAGE,
- source->buffer_width, (JDIMENSION) 1);
- source->pub.buffer_height = 1;
- }
-
- /* Compute the rescaling array if required (we use it for all but raw) */
- if (can_use_raw) {
- source->rescale = NULL; /* no rescaling required */
- } else {
- INT32 val, half_maxval;
-
- /* On 16-bit-int machines we have to be careful of maxval = 65535 */
- source->rescale = (JSAMPLE *)
- (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- (size_t) (((long) maxval + 1L) * SIZEOF(JSAMPLE)));
- half_maxval = maxval / 2;
- for (val = 0; val <= (INT32) maxval; val++) {
- /* The multiplication here must be done in 32 bits to avoid overflow */
- source->rescale[val] = (JSAMPLE) ((val*MAXJSAMPLE + half_maxval)/maxval);
- }
- }
-}
-
-
-/*
- * Finish up at the end of the file.
- */
-
-METHODDEF void
-finish_input (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-{
- /* no work */
-}
-
-
-/*
- * The module selection routine for PPM format input.
- */
-
-GLOBAL cjpeg_source_ptr
-jinit_read_raw (j_compress_ptr cinfo)
-{
- raw_source_ptr source;
-
- /* Create module interface object */
- source = (raw_source_ptr)
- (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- SIZEOF(raw_source_struct));
- /* Fill in method ptrs, except get_pixel_rows which start_input sets */
- source->pub.start_input = start_input;
- source->pub.finish_input = finish_input;
-
- return (cjpeg_source_ptr) source;
-}
-
-#endif /* RAW_SUPPORTED */
diff --git a/jpeg/rdrle.c b/jpeg/rdrle.c
deleted file mode 100644
index b58eb754bc..0000000000
--- a/jpeg/rdrle.c
+++ /dev/null
@@ -1,384 +0,0 @@
-/*
- * rdrle.c
- *
- * Copyright (C) 1991-1994, Thomas G. Lane.
- * This file is part of the Independent JPEG Group's software.
- * For conditions of distribution and use, see the accompanying README file.
- *
- * This file contains routines to read input images in Utah RLE format.
- * The Utah Raster Toolkit library is required (version 3.1 or later).
- *
- * These routines may need modification for non-Unix environments or
- * specialized applications. As they stand, they assume input from
- * an ordinary stdio stream. They further assume that reading begins
- * at the start of the file; start_input may need work if the
- * user interface has already read some data (e.g., to determine that
- * the file is indeed RLE format).
- *
- * Based on code contributed by Mike Lijewski,
- * with updates from Robert Hutchinson.
- */
-
-#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */
-
-#ifdef RLE_SUPPORTED
-
-/* rle.h is provided by the Utah Raster Toolkit. */
-
-#include <rle.h>
-
-/*
- * We assume that JSAMPLE has the same representation as rle_pixel,
- * to wit, "unsigned char". Hence we can't cope with 12- or 16-bit samples.
- */
-
-#if BITS_IN_JSAMPLE != 8
- Sorry, this code only copes with 8-bit JSAMPLEs. /* deliberate syntax err */
-#endif
-
-/*
- * We support the following types of RLE files:
- *
- * GRAYSCALE - 8 bits, no colormap
- * MAPPEDGRAY - 8 bits, 1 channel colomap
- * PSEUDOCOLOR - 8 bits, 3 channel colormap
- * TRUECOLOR - 24 bits, 3 channel colormap
- * DIRECTCOLOR - 24 bits, no colormap
- *
- * For now, we ignore any alpha channel in the image.
- */
-
-typedef enum
- { GRAYSCALE, MAPPEDGRAY, PSEUDOCOLOR, TRUECOLOR, DIRECTCOLOR } rle_kind;
-
-
-/*
- * Since RLE stores scanlines bottom-to-top, we have to invert the image
- * to conform to JPEG's top-to-bottom order. To do this, we read the
- * incoming image into a virtual array on the first get_pixel_rows call,
- * then fetch the required row from the virtual array on subsequent calls.
- */
-
-typedef struct _rle_source_struct * rle_source_ptr;
-
-typedef struct _rle_source_struct {
- struct cjpeg_source_struct pub; /* public fields */
-
- rle_kind visual; /* actual type of input file */
- jvirt_sarray_ptr image; /* virtual array to hold the image */
- rle_hdr header; /* Input file information */
- rle_pixel** rle_row; /* holds a row returned by rle_getrow() */
-
-} rle_source_struct;
-
-
-/*
- * Read the file header; return image size and component count.
- */
-
-METHODDEF void
-start_input_rle (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-{
- rle_source_ptr source = (rle_source_ptr) sinfo;
- JDIMENSION width, height;
-#ifdef PROGRESS_REPORT
- cd_progress_ptr progress = (cd_progress_ptr) cinfo->progress;
-#endif
-
- /* Use RLE library routine to get the header info */
- source->header = *rle_hdr_init(NULL);
- source->header.rle_file = source->pub.input_file;
- switch (rle_get_setup(&(source->header))) {
- case RLE_SUCCESS:
- /* A-OK */
- break;
- case RLE_NOT_RLE:
- ERREXIT(cinfo, JERR_RLE_NOT);
- break;
- case RLE_NO_SPACE:
- ERREXIT(cinfo, JERR_RLE_MEM);
- break;
- case RLE_EMPTY:
- ERREXIT(cinfo, JERR_RLE_EMPTY);
- break;
- case RLE_EOF:
- ERREXIT(cinfo, JERR_RLE_EOF);
- break;
- default:
- ERREXIT(cinfo, JERR_RLE_BADERROR);
- break;
- }
-
- /* Figure out what we have, set private vars and return values accordingly */
-
- width = source->header.xmax - source->header.xmin + 1;
- height = source->header.ymax - source->header.ymin + 1;
- source->header.xmin = 0; /* realign horizontally */
- source->header.xmax = width-1;
-
- cinfo->image_width = width;
- cinfo->image_height = height;
- cinfo->data_precision = 8; /* we can only handle 8 bit data */
-
- if (source->header.ncolors == 1 && source->header.ncmap == 0) {
- source->visual = GRAYSCALE;
- TRACEMS2(cinfo, 1, JTRC_RLE_GRAY, width, height);
- } else if (source->header.ncolors == 1 && source->header.ncmap == 1) {
- source->visual = MAPPEDGRAY;
- TRACEMS3(cinfo, 1, JTRC_RLE_MAPGRAY, width, height,
- 1 << source->header.cmaplen);
- } else if (source->header.ncolors == 1 && source->header.ncmap == 3) {
- source->visual = PSEUDOCOLOR;
- TRACEMS3(cinfo, 1, JTRC_RLE_MAPPED, width, height,
- 1 << source->header.cmaplen);
- } else if (source->header.ncolors == 3 && source->header.ncmap == 3) {
- source->visual = TRUECOLOR;
- TRACEMS3(cinfo, 1, JTRC_RLE_FULLMAP, width, height,
- 1 << source->header.cmaplen);
- } else if (source->header.ncolors == 3 && source->header.ncmap == 0) {
- source->visual = DIRECTCOLOR;
- TRACEMS2(cinfo, 1, JTRC_RLE, width, height);
- } else
- ERREXIT(cinfo, JERR_RLE_UNSUPPORTED);
-
- if (source->visual == GRAYSCALE || source->visual == MAPPEDGRAY) {
- cinfo->in_color_space = JCS_GRAYSCALE;
- cinfo->input_components = 1;
- } else {
- cinfo->in_color_space = JCS_RGB;
- cinfo->input_components = 3;
- }
-
- /*
- * A place to hold each scanline while it's converted.
- * (GRAYSCALE scanlines don't need converting)
- */
- if (source->visual != GRAYSCALE) {
- source->rle_row = (rle_pixel**) (*cinfo->mem->alloc_sarray)
- ((j_common_ptr) cinfo, JPOOL_IMAGE,
- (JDIMENSION) width, (JDIMENSION) cinfo->input_components);
- }
-
- /* request a virtual array to hold the image */
- source->image = (*cinfo->mem->request_virt_sarray)
- ((j_common_ptr) cinfo, JPOOL_IMAGE,
- (JDIMENSION) (width * source->header.ncolors),
- (JDIMENSION) height, (JDIMENSION) 1);
-
-#ifdef PROGRESS_REPORT
- if (progress != NULL) {
- /* count file input as separate pass */
- progress->total_extra_passes++;
- }
-#endif
-
- source->pub.buffer_height = 1;
-}
-
-
-/*
- * Read one row of pixels.
- * Called only after load_image has read the image into the virtual array.
- * Used for GRAYSCALE, MAPPEDGRAY, TRUECOLOR, and DIRECTCOLOR images.
- */
-
-METHODDEF JDIMENSION
-get_rle_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-{
- rle_source_ptr source = (rle_source_ptr) sinfo;
-
- source->pub.buffer = (*cinfo->mem->access_virt_sarray)
- ((j_common_ptr) cinfo, source->image, cinfo->next_scanline, FALSE);
-
- return 1;
-}
-
-/*
- * Read one row of pixels.
- * Called only after load_image has read the image into the virtual array.
- * Used for PSEUDOCOLOR images.
- */
-
-METHODDEF JDIMENSION
-get_pseudocolor_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-{
- rle_source_ptr source = (rle_source_ptr) sinfo;
- JSAMPROW src_row, dest_row;
- JDIMENSION col;
- rle_map *colormap;
- int val;
-
- colormap = source->header.cmap;
- dest_row = source->pub.buffer[0];
- src_row = * (*cinfo->mem->access_virt_sarray)
- ((j_common_ptr) cinfo, source->image, cinfo->next_scanline, FALSE);
-
- for (col = cinfo->image_width; col > 0; col--) {
- val = GETJSAMPLE(*src_row++);
- *dest_row++ = colormap[val ] >> 8;
- *dest_row++ = colormap[val + 256] >> 8;
- *dest_row++ = colormap[val + 512] >> 8;
- }
-
- return 1;
-}
-
-
-/*
- * Load the image into a virtual array. We have to do this because RLE
- * files start at the lower left while the JPEG standard has them starting
- * in the upper left. This is called the first time we want to get a row
- * of input. What we do is load the RLE data into the array and then call
- * the appropriate routine to read one row from the array. Before returning,
- * we set source->pub.get_pixel_rows so that subsequent calls go straight to
- * the appropriate row-reading routine.
- */
-
-METHODDEF JDIMENSION
-load_image (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-{
- rle_source_ptr source = (rle_source_ptr) sinfo;
- JDIMENSION row, col;
- JSAMPROW scanline, red_ptr, green_ptr, blue_ptr;
- rle_pixel **rle_row;
- rle_map *colormap;
- char channel;
-#ifdef PROGRESS_REPORT
- cd_progress_ptr progress = (cd_progress_ptr) cinfo->progress;
-#endif
-
- colormap = source->header.cmap;
- rle_row = source->rle_row;
- row = cinfo->image_height;
-
- /* Read the RLE data into our virtual array.
- * We assume here that (a) rle_pixel is represented the same as JSAMPLE,
- * and (b) we are not on a machine where FAR pointers differ from regular.
- */
- RLE_CLR_BIT(source->header, RLE_ALPHA); /* don't read the alpha channel */
-
-#ifdef PROGRESS_REPORT
- if (progress != NULL) {
- progress->pub.pass_limit = cinfo->image_height;
- progress->pub.pass_counter = 0;
- (*progress->pub.progress_monitor) ((j_common_ptr) cinfo);
- }
-#endif
-
- switch (source->visual) {
-
- case GRAYSCALE:
- case PSEUDOCOLOR:
- while (row--) {
- rle_row = (rle_pixel **) (*cinfo->mem->access_virt_sarray)
- ((j_common_ptr) cinfo, source->image, row, TRUE);
- rle_getrow(&source->header, rle_row);
-#ifdef PROGRESS_REPORT
- if (progress != NULL) {
- progress->pub.pass_counter++;
- (*progress->pub.progress_monitor) ((j_common_ptr) cinfo);
- }
-#endif
- }
- break;
-
- case MAPPEDGRAY:
- case TRUECOLOR:
- while (row--) {
- scanline = * (*cinfo->mem->access_virt_sarray)
- ((j_common_ptr) cinfo, source->image, row, TRUE);
- rle_row = source->rle_row;
- rle_getrow(&source->header, rle_row);
-
- for (col = 0; col < cinfo->image_width; col++) {
- for (channel = 0; channel < source->header.ncolors; channel++) {
- *scanline++ = (JSAMPLE)
- colormap[GETJSAMPLE(rle_row[channel][col]) + 256 * channel] >> 8;
- }
- }
-
-#ifdef PROGRESS_REPORT
- if (progress != NULL) {
- progress->pub.pass_counter++;
- (*progress->pub.progress_monitor) ((j_common_ptr) cinfo);
- }
-#endif
- }
- break;
-
- case DIRECTCOLOR:
- while (row--) {
- scanline = * (*cinfo->mem->access_virt_sarray)
- ((j_common_ptr) cinfo, source->image, row, TRUE);
- rle_getrow(&source->header, rle_row);
-
- red_ptr = rle_row[0];
- green_ptr = rle_row[1];
- blue_ptr = rle_row[2];
-
- for (col = cinfo->image_width; col > 0; col--) {
- *scanline++ = *red_ptr++;
- *scanline++ = *green_ptr++;
- *scanline++ = *blue_ptr++;
- }
-
-#ifdef PROGRESS_REPORT
- if (progress != NULL) {
- progress->pub.pass_counter++;
- (*progress->pub.progress_monitor) ((j_common_ptr) cinfo);
- }
-#endif
- }
- }
-
-#ifdef PROGRESS_REPORT
- if (progress != NULL)
- progress->completed_extra_passes++;
-#endif
-
- /* Set up to call proper row-extraction routine in future */
- if (source->visual == PSEUDOCOLOR) {
- source->pub.buffer = source->rle_row;
- source->pub.get_pixel_rows = get_pseudocolor_row;
- } else {
- source->pub.get_pixel_rows = get_rle_row;
- }
-
- /* And fetch the topmost (bottommost) row */
- return (*source->pub.get_pixel_rows) (cinfo, sinfo);
-}
-
-
-/*
- * Finish up at the end of the file.
- */
-
-METHODDEF void
-finish_input_rle (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-{
- /* no work */
-}
-
-
-/*
- * The module selection routine for RLE format input.
- */
-
-GLOBAL cjpeg_source_ptr
-jinit_read_rle (j_compress_ptr cinfo)
-{
- rle_source_ptr source;
-
- /* Create module interface object */
- source = (rle_source_ptr)
- (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- SIZEOF(rle_source_struct));
- /* Fill in method ptrs */
- source->pub.start_input = start_input_rle;
- source->pub.finish_input = finish_input_rle;
- source->pub.get_pixel_rows = load_image;
-
- return (cjpeg_source_ptr) source;
-}
-
-#endif /* RLE_SUPPORTED */
diff --git a/jpeg/rdtarga.c b/jpeg/rdtarga.c
deleted file mode 100644
index 8c58138a3e..0000000000
--- a/jpeg/rdtarga.c
+++ /dev/null
@@ -1,499 +0,0 @@
-/*
- * rdtarga.c
- *
- * Copyright (C) 1991-1994, Thomas G. Lane.
- * This file is part of the Independent JPEG Group's software.
- * For conditions of distribution and use, see the accompanying README file.
- *
- * This file contains routines to read input images in Targa format.
- *
- * These routines may need modification for non-Unix environments or
- * specialized applications. As they stand, they assume input from
- * an ordinary stdio stream. They further assume that reading begins
- * at the start of the file; start_input may need work if the
- * user interface has already read some data (e.g., to determine that
- * the file is indeed Targa format).
- *
- * Based on code contributed by Lee Daniel Crocker.
- */
-
-#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */
-
-#ifdef TARGA_SUPPORTED
-
-
-/* Macros to deal with unsigned chars as efficiently as compiler allows */
-
-#ifdef HAVE_UNSIGNED_CHAR
-typedef unsigned char U_CHAR;
-#define UCH(x) ((int) (x))
-#else /* !HAVE_UNSIGNED_CHAR */
-#ifdef CHAR_IS_UNSIGNED
-typedef char U_CHAR;
-#define UCH(x) ((int) (x))
-#else
-typedef char U_CHAR;
-#define UCH(x) ((int) (x) & 0xFF)
-#endif
-#endif /* HAVE_UNSIGNED_CHAR */
-
-
-#define ReadOK(file,buffer,len) (JFREAD(file,buffer,len) == ((size_t) (len)))
-
-
-/* Private version of data source object */
-
-typedef struct _tga_source_struct * tga_source_ptr;
-
-typedef struct _tga_source_struct {
- struct cjpeg_source_struct pub; /* public fields */
-
- j_compress_ptr cinfo; /* back link saves passing separate parm */
-
- JSAMPARRAY colormap; /* Targa colormap (converted to my format) */
-
- jvirt_sarray_ptr whole_image; /* Needed if funny input row order */
- JDIMENSION current_row; /* Current logical row number to read */
-
- /* Pointer to routine to extract next Targa pixel from input file */
- JMETHOD(void, read_pixel, (tga_source_ptr sinfo));
-
- /* Result of read_pixel is delivered here: */
- U_CHAR tga_pixel[4];
-
- int pixel_size; /* Bytes per Targa pixel (1 to 4) */
-
- /* State info for reading RLE-coded pixels; both counts must be init to 0 */
- int block_count; /* # of pixels remaining in RLE block */
- int dup_pixel_count; /* # of times to duplicate previous pixel */
-
- /* This saves the correct pixel-row-expansion method for preload_image */
- JMETHOD(JDIMENSION, get_pixel_rows, (j_compress_ptr cinfo,
- cjpeg_source_ptr sinfo));
-} tga_source_struct;
-
-
-/* For expanding 5-bit pixel values to 8-bit with best rounding */
-
-static const UINT8 c5to8bits[32] = {
- 0, 8, 16, 24, 32, 41, 49, 57,
- 65, 74, 82, 90, 98, 106, 115, 123,
- 131, 139, 148, 156, 164, 172, 180, 189,
- 197, 205, 213, 222, 230, 238, 246, 255
-};
-
-
-
-LOCAL int
-read_byte (tga_source_ptr sinfo)
-/* Read next byte from Targa file */
-{
- register FILE *infile = sinfo->pub.input_file;
- register int c;
-
- if ((c = getc(infile)) == EOF)
- ERREXIT(sinfo->cinfo, JERR_INPUT_EOF);
- return c;
-}
-
-
-LOCAL void
-read_colormap (tga_source_ptr sinfo, int cmaplen, int mapentrysize)
-/* Read the colormap from a Targa file */
-{
- int i;
-
- /* Presently only handles 24-bit BGR format */
- if (mapentrysize != 24)
- ERREXIT(sinfo->cinfo, JERR_TGA_BADCMAP);
-
- for (i = 0; i < cmaplen; i++) {
- sinfo->colormap[2][i] = (JSAMPLE) read_byte(sinfo);
- sinfo->colormap[1][i] = (JSAMPLE) read_byte(sinfo);
- sinfo->colormap[0][i] = (JSAMPLE) read_byte(sinfo);
- }
-}
-
-
-/*
- * read_pixel methods: get a single pixel from Targa file into tga_pixel[]
- */
-
-LOCAL void
-read_non_rle_pixel (tga_source_ptr sinfo)
-/* Read one Targa pixel from the input file; no RLE expansion */
-{
- register FILE *infile = sinfo->pub.input_file;
- register int i;
-
- for (i = 0; i < sinfo->pixel_size; i++) {
- sinfo->tga_pixel[i] = (U_CHAR) getc(infile);
- }
-}
-
-
-LOCAL void
-read_rle_pixel (tga_source_ptr sinfo)
-/* Read one Targa pixel from the input file, expanding RLE data as needed */
-{
- register FILE *infile = sinfo->pub.input_file;
- register int i;
-
- /* Duplicate previously read pixel? */
- if (sinfo->dup_pixel_count > 0) {
- sinfo->dup_pixel_count--;
- return;
- }
-
- /* Time to read RLE block header? */
- if (--sinfo->block_count < 0) { /* decrement pixels remaining in block */
- i = read_byte(sinfo);
- if (i & 0x80) { /* Start of duplicate-pixel block? */
- sinfo->dup_pixel_count = i & 0x7F; /* number of dups after this one */
- sinfo->block_count = 0; /* then read new block header */
- } else {
- sinfo->block_count = i & 0x7F; /* number of pixels after this one */
- }
- }
-
- /* Read next pixel */
- for (i = 0; i < sinfo->pixel_size; i++) {
- sinfo->tga_pixel[i] = (U_CHAR) getc(infile);
- }
-}
-
-
-/*
- * Read one row of pixels.
- *
- * We provide several different versions depending on input file format.
- */
-
-
-METHODDEF JDIMENSION
-get_8bit_gray_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-/* This version is for reading 8-bit grayscale pixels */
-{
- tga_source_ptr source = (tga_source_ptr) sinfo;
- register JSAMPROW ptr;
- register JDIMENSION col;
-
- ptr = source->pub.buffer[0];
- for (col = cinfo->image_width; col > 0; col--) {
- (*source->read_pixel) (source); /* Load next pixel into tga_pixel */
- *ptr++ = (JSAMPLE) UCH(source->tga_pixel[0]);
- }
- return 1;
-}
-
-METHODDEF JDIMENSION
-get_8bit_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-/* This version is for reading 8-bit colormap indexes */
-{
- tga_source_ptr source = (tga_source_ptr) sinfo;
- register int t;
- register JSAMPROW ptr;
- register JDIMENSION col;
- register JSAMPARRAY colormap = source->colormap;
-
- ptr = source->pub.buffer[0];
- for (col = cinfo->image_width; col > 0; col--) {
- (*source->read_pixel) (source); /* Load next pixel into tga_pixel */
- t = UCH(source->tga_pixel[0]);
- *ptr++ = colormap[0][t];
- *ptr++ = colormap[1][t];
- *ptr++ = colormap[2][t];
- }
- return 1;
-}
-
-METHODDEF JDIMENSION
-get_16bit_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-/* This version is for reading 16-bit pixels */
-{
- tga_source_ptr source = (tga_source_ptr) sinfo;
- register int t;
- register JSAMPROW ptr;
- register JDIMENSION col;
-
- ptr = source->pub.buffer[0];
- for (col = cinfo->image_width; col > 0; col--) {
- (*source->read_pixel) (source); /* Load next pixel into tga_pixel */
- t = UCH(source->tga_pixel[0]);
- t += UCH(source->tga_pixel[1]) << 8;
- /* We expand 5 bit data to 8 bit sample width.
- * The format of the 16-bit (LSB first) input word is
- * xRRRRRGGGGGBBBBB
- */
- ptr[2] = (JSAMPLE) c5to8bits[t & 0x1F];
- t >>= 5;
- ptr[1] = (JSAMPLE) c5to8bits[t & 0x1F];
- t >>= 5;
- ptr[0] = (JSAMPLE) c5to8bits[t & 0x1F];
- ptr += 3;
- }
- return 1;
-}
-
-METHODDEF JDIMENSION
-get_24bit_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-/* This version is for reading 24-bit pixels */
-{
- tga_source_ptr source = (tga_source_ptr) sinfo;
- register JSAMPROW ptr;
- register JDIMENSION col;
-
- ptr = source->pub.buffer[0];
- for (col = cinfo->image_width; col > 0; col--) {
- (*source->read_pixel) (source); /* Load next pixel into tga_pixel */
- *ptr++ = (JSAMPLE) UCH(source->tga_pixel[2]); /* change BGR to RGB order */
- *ptr++ = (JSAMPLE) UCH(source->tga_pixel[1]);
- *ptr++ = (JSAMPLE) UCH(source->tga_pixel[0]);
- }
- return 1;
-}
-
-/*
- * Targa also defines a 32-bit pixel format with order B,G,R,A.
- * We presently ignore the attribute byte, so the code for reading
- * these pixels is identical to the 24-bit routine above.
- * This works because the actual pixel length is only known to read_pixel.
- */
-
-#define get_32bit_row get_24bit_row
-
-
-/*
- * This method is for re-reading the input data in standard top-down
- * row order. The entire image has already been read into whole_image
- * with proper conversion of pixel format, but it's in a funny row order.
- */
-
-METHODDEF JDIMENSION
-get_memory_row (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-{
- tga_source_ptr source = (tga_source_ptr) sinfo;
- JDIMENSION source_row;
-
- /* Compute row of source that maps to current_row of normal order */
- /* For now, assume image is bottom-up and not interlaced. */
- /* NEEDS WORK to support interlaced images! */
- source_row = cinfo->image_height - source->current_row - 1;
-
- /* Fetch that row from virtual array */
- source->pub.buffer = (*cinfo->mem->access_virt_sarray)
- ((j_common_ptr) cinfo, source->whole_image, source_row, FALSE);
-
- source->current_row++;
- return 1;
-}
-
-
-/*
- * This method loads the image into whole_image during the first call on
- * get_pixel_rows. The get_pixel_rows pointer is then adjusted to call
- * get_memory_row on subsequent calls.
- */
-
-METHODDEF JDIMENSION
-preload_image (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-{
- tga_source_ptr source = (tga_source_ptr) sinfo;
- JDIMENSION row;
- cd_progress_ptr progress = (cd_progress_ptr) cinfo->progress;
-
- /* Read the data into a virtual array in input-file row order. */
- for (row = 0; row < cinfo->image_height; row++) {
- if (progress != NULL) {
- progress->pub.pass_counter = (long) row;
- progress->pub.pass_limit = (long) cinfo->image_height;
- (*progress->pub.progress_monitor) ((j_common_ptr) cinfo);
- }
- source->pub.buffer = (*cinfo->mem->access_virt_sarray)
- ((j_common_ptr) cinfo, source->whole_image, row, TRUE);
- (*source->get_pixel_rows) (cinfo, sinfo);
- }
- if (progress != NULL)
- progress->completed_extra_passes++;
-
- /* Set up to read from the virtual array in unscrambled order */
- source->pub.get_pixel_rows = get_memory_row;
- source->current_row = 0;
- /* And read the first row */
- return get_memory_row(cinfo, sinfo);
-}
-
-
-/*
- * Read the file header; return image size and component count.
- */
-
-METHODDEF void
-start_input_tga (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-{
- tga_source_ptr source = (tga_source_ptr) sinfo;
- U_CHAR targaheader[18];
- int idlen, cmaptype, subtype, flags, interlace_type, components;
- unsigned int width, height, maplen;
- boolean is_bottom_up;
-
-#define GET_2B(offset) ((unsigned int) UCH(targaheader[offset]) + \
- (((unsigned int) UCH(targaheader[offset+1])) << 8))
-
- if (! ReadOK(source->pub.input_file, targaheader, 18))
- ERREXIT(cinfo, JERR_INPUT_EOF);
-
- /* Pretend "15-bit" pixels are 16-bit --- we ignore attribute bit anyway */
- if (targaheader[16] == 15)
- targaheader[16] = 16;
-
- idlen = UCH(targaheader[0]);
- cmaptype = UCH(targaheader[1]);
- subtype = UCH(targaheader[2]);
- maplen = GET_2B(5);
- width = GET_2B(12);
- height = GET_2B(14);
- source->pixel_size = UCH(targaheader[16]) >> 3;
- flags = UCH(targaheader[17]); /* Image Descriptor byte */
-
- is_bottom_up = ((flags & 0x20) == 0); /* bit 5 set => top-down */
- interlace_type = flags >> 6; /* bits 6/7 are interlace code */
-
- if (cmaptype > 1 || /* cmaptype must be 0 or 1 */
- source->pixel_size < 1 || source->pixel_size > 4 ||
- (UCH(targaheader[16]) & 7) != 0 || /* bits/pixel must be multiple of 8 */
- interlace_type != 0) /* currently don't allow interlaced image */
- ERREXIT(cinfo, JERR_TGA_BADPARMS);
-
- if (subtype > 8) {
- /* It's an RLE-coded file */
- source->read_pixel = read_rle_pixel;
- source->block_count = source->dup_pixel_count = 0;
- subtype -= 8;
- } else {
- /* Non-RLE file */
- source->read_pixel = read_non_rle_pixel;
- }
-
- /* Now should have subtype 1, 2, or 3 */
- components = 3; /* until proven different */
- cinfo->in_color_space = JCS_RGB;
-
- switch (subtype) {
- case 1: /* Colormapped image */
- if (source->pixel_size == 1 && cmaptype == 1)
- source->get_pixel_rows = get_8bit_row;
- else
- ERREXIT(cinfo, JERR_TGA_BADPARMS);
- TRACEMS2(cinfo, 1, JTRC_TGA_MAPPED, width, height);
- break;
- case 2: /* RGB image */
- switch (source->pixel_size) {
- case 2:
- source->get_pixel_rows = get_16bit_row;
- break;
- case 3:
- source->get_pixel_rows = get_24bit_row;
- break;
- case 4:
- source->get_pixel_rows = get_32bit_row;
- break;
- default:
- ERREXIT(cinfo, JERR_TGA_BADPARMS);
- break;
- }
- TRACEMS2(cinfo, 1, JTRC_TGA, width, height);
- break;
- case 3: /* Grayscale image */
- components = 1;
- cinfo->in_color_space = JCS_GRAYSCALE;
- if (source->pixel_size == 1)
- source->get_pixel_rows = get_8bit_gray_row;
- else
- ERREXIT(cinfo, JERR_TGA_BADPARMS);
- TRACEMS2(cinfo, 1, JTRC_TGA_GRAY, width, height);
- break;
- default:
- ERREXIT(cinfo, JERR_TGA_BADPARMS);
- break;
- }
-
- if (is_bottom_up) {
- /* Create a virtual array to buffer the upside-down image. */
- source->whole_image = (*cinfo->mem->request_virt_sarray)
- ((j_common_ptr) cinfo, JPOOL_IMAGE,
- (JDIMENSION) width * components, (JDIMENSION) height, (JDIMENSION) 1);
- if (cinfo->progress != NULL) {
- cd_progress_ptr progress = (cd_progress_ptr) cinfo->progress;
- progress->total_extra_passes++; /* count file input as separate pass */
- }
- /* source->pub.buffer will point to the virtual array. */
- source->pub.buffer_height = 1; /* in case anyone looks at it */
- source->pub.get_pixel_rows = preload_image;
- } else {
- /* Don't need a virtual array, but do need a one-row input buffer. */
- source->whole_image = NULL;
- source->pub.buffer = (*cinfo->mem->alloc_sarray)
- ((j_common_ptr) cinfo, JPOOL_IMAGE,
- (JDIMENSION) width * components, (JDIMENSION) 1);
- source->pub.buffer_height = 1;
- source->pub.get_pixel_rows = source->get_pixel_rows;
- }
-
- while (idlen--) /* Throw away ID field */
- (void) read_byte(source);
-
- if (maplen > 0) {
- if (maplen > 256 || GET_2B(3) != 0)
- ERREXIT(cinfo, JERR_TGA_BADCMAP);
- /* Allocate space to store the colormap */
- source->colormap = (*cinfo->mem->alloc_sarray)
- ((j_common_ptr) cinfo, JPOOL_IMAGE, (JDIMENSION) maplen, (JDIMENSION) 3);
- /* and read it from the file */
- read_colormap(source, (int) maplen, UCH(targaheader[7]));
- } else {
- if (cmaptype) /* but you promised a cmap! */
- ERREXIT(cinfo, JERR_TGA_BADPARMS);
- source->colormap = NULL;
- }
-
- cinfo->input_components = components;
- cinfo->data_precision = 8;
- cinfo->image_width = width;
- cinfo->image_height = height;
-}
-
-
-/*
- * Finish up at the end of the file.
- */
-
-METHODDEF void
-finish_input_tga (j_compress_ptr cinfo, cjpeg_source_ptr sinfo)
-{
- /* no work */
-}
-
-
-/*
- * The module selection routine for Targa format input.
- */
-
-GLOBAL cjpeg_source_ptr
-jinit_read_targa (j_compress_ptr cinfo)
-{
- tga_source_ptr source;
-
- /* Create module interface object */
- source = (tga_source_ptr)
- (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- SIZEOF(tga_source_struct));
- source->cinfo = cinfo; /* make back link for subroutines */
- /* Fill in method ptrs, except get_pixel_rows which start_input sets */
- source->pub.start_input = start_input_tga;
- source->pub.finish_input = finish_input_tga;
-
- return (cjpeg_source_ptr) source;
-}
-
-#endif /* TARGA_SUPPORTED */
diff --git a/jpeg/structure.doc b/jpeg/structure.doc
deleted file mode 100644
index 30d5828bf3..0000000000
--- a/jpeg/structure.doc
+++ /dev/null
@@ -1,862 +0,0 @@
-IJG JPEG LIBRARY: SYSTEM ARCHITECTURE
-
-Copyright (C) 1991-1994, Thomas G. Lane.
-This file is part of the Independent JPEG Group's software.
-For conditions of distribution and use, see the accompanying README file.
-
-
-This file provides an overview of the architecture of the IJG JPEG software;
-that is, the functions of the various modules in the system and the interfaces
-between modules. For more precise details about any data structure or calling
-convention, see the include files and comments in the source code.
-
-We assume that the reader is already somewhat familiar with the JPEG standard.
-The README file includes references for learning about JPEG. The file
-libjpeg.doc describes the library from the viewpoint of an application
-programmer using the library; it's best to read that file before this one.
-Also, the file coderules.doc describes the coding style conventions we use.
-
-In this document, JPEG-specific terminology follows the JPEG standard:
- A "component" means a color channel, e.g., Red or Luminance.
- A "sample" is a single component value (i.e., one number in the image data).
- A "coefficient" is a frequency coefficient (a DCT transform output number).
- A "block" is an 8x8 group of samples or coefficients.
- An "MCU" (minimum coded unit) is an interleaved set of blocks of size
- determined by the sampling factors, or a single block in a
- noninterleaved scan.
-We do not use the terms "pixel" and "sample" interchangeably. When we say
-pixel, we mean an element of the full-size image, while a sample is an element
-of the downsampled image. Thus the number of samples may vary across
-components while the number of pixels does not. (This terminology is not used
-rigorously throughout the code, but it is used in places where confusion would
-otherwise result.)
-
-
-*** System features ***
-
-The IJG distribution contains two parts:
- * A subroutine library for JPEG compression and decompression.
- * cjpeg/djpeg, two simple applications that use the library to transform
- JFIF JPEG files to and from several other image formats.
-cjpeg/djpeg are of no great intellectual complexity: they merely add a simple
-command-line user interface and I/O routines for several uncompressed image
-formats. This document concentrates on the library itself.
-
-We desire the library to be capable of supporting all JPEG baseline and
-extended sequential DCT processes. Progressive processes are also allowed
-for in the system architecture, although they are not likely to be
-implemented very soon. Hierarchical processes are not supported.
-
-The library does not support the lossless (spatial) JPEG process. Lossless
-JPEG shares little or no code with lossy JPEG, and would normally be used
-without the extensive pre- and post-processing provided by this library.
-We feel that lossless JPEG is better handled by a separate library.
-
-Within these limits, any set of compression parameters allowed by the JPEG
-spec should be readable for decompression. (We can be more restrictive about
-what formats we can generate.) Although the system design allows for all
-parameter values, some uncommon settings are not yet implemented and may
-never be; nonintegral sampling ratios are the prime example. Furthermore,
-we treat 8-bit vs. 12-bit data precision as a compile-time switch, not a
-run-time option, because most machines can store 8-bit pixels much more
-compactly than 12-bit.
-
-For legal reasons, JPEG arithmetic coding is not currently supported, but
-extending the library to include it would be straightforward.
-
-By itself, the library handles only interchange JPEG datastreams --- in
-particular the widely used JFIF file format. The library can be used by
-surrounding code to process interchange or abbreviated JPEG datastreams that
-are embedded in more complex file formats. (For example, we anticipate that
-Sam Leffler's TIFF library will use this code to support the revised TIFF
-JPEG format.)
-
-The library includes a substantial amount of code that is not covered by the
-JPEG standard but is necessary for typical applications of JPEG. These
-functions preprocess the image before JPEG compression or postprocess it after
-decompression. They include colorspace conversion, downsampling/upsampling,
-and color quantization. This code can be omitted if not needed.
-
-A wide range of quality vs. speed tradeoffs are possible in JPEG processing,
-and even more so in decompression postprocessing. The decompression library
-provides multiple implementations that cover most of the useful tradeoffs,
-ranging from very-high-quality down to fast-preview operation. On the
-compression side we have generally not provided low-quality choices, since
-compression is normally less time-critical. It should be understood that the
-low-quality modes may not meet the JPEG standard's accuracy requirements;
-nonetheless, they are useful for viewers.
-
-
-*** Portability issues ***
-
-Portability is an essential requirement for the library. The key portability
-issues that show up at the level of system architecture are:
-
-1. Memory usage. We want the code to be able to run on PC-class machines
-with limited memory. Images should therefore be processed sequentially (in
-strips), to avoid holding the whole image in memory at once. Where a
-full-image buffer is necessary, we should be able to use either virtual memory
-or temporary files.
-
-2. Near/far pointer distinction. To run efficiently on 80x86 machines, the
-code should distinguish "small" objects (kept in near data space) from
-"large" ones (kept in far data space). This is an annoying restriction, but
-fortunately it does not impact code quality for less brain-damaged machines,
-and the source code clutter turns out to be minimal with sufficient use of
-pointer typedefs.
-
-3. Data precision. We assume that "char" is at least 8 bits, "short" and
-"int" at least 16, "long" at least 32. The code will work fine with larger
-data sizes, although memory may be used inefficiently in some cases. However,
-the JPEG compressed datastream must ultimately appear on external storage as a
-sequence of 8-bit bytes if it is to conform to the standard. This may pose a
-problem on machines where char is wider than 8 bits. The library represents
-compressed data as an array of values of typedef JOCTET. If no data type
-exactly 8 bits wide is available, custom data source and data destination
-modules must be written to unpack and pack the chosen JOCTET datatype into
-8-bit external representation.
-
-
-*** System overview ***
-
-The compressor and decompressor are each divided into two main sections:
-the JPEG compressor or decompressor proper, and the preprocessing or
-postprocessing functions. The interface between these two sections is the
-image data that the official JPEG spec regards as its input or output: this
-data is in the colorspace to be used for compression, and it is downsampled
-to the sampling factors to be used. The preprocessing and postprocessing
-steps are responsible for converting a normal image representation to or from
-this form. (Those few applications that want to deal with YCbCr downsampled
-data can skip the preprocessing or postprocessing step.)
-
-Looking more closely, the compressor library contains the following main
-elements:
-
- Preprocessing:
- * Color space conversion (e.g., RGB to YCbCr). This step may also
- provide gamma adjustment.
- * Edge expansion and downsampling. Optionally, this step can do simple
- smoothing --- this is often helpful for low-quality source data.
- JPEG proper:
- * MCU assembly, DCT, quantization.
- * Entropy coding (Huffman or arithmetic).
-
-In addition to these modules we need overall control, marker generation,
-and support code (memory management & error handling). There is also a
-module responsible for physically writing the output data --- typically
-this is just an interface to fwrite(), but some applications may need to
-do something else with the data.
-
-The decompressor library contains the following main elements:
-
- JPEG proper:
- * Entropy decoding (Huffman or arithmetic).
- * Dequantization, inverse DCT, MCU disassembly.
- Postprocessing:
- * Upsampling. Optionally, this step may be able to do more general
- rescaling of the image.
- * Color space conversion (e.g., YCbCr to RGB). This step may also
- provide gamma adjustment.
- * Optional color quantization (e.g., reduction to 256 colors).
- * Optional color precision reduction (e.g., 24-bit to 15-bit color).
- [Not implemented in v5.]
-
-We also need overall control, marker parsing, and a data source module.
-The support code (memory management & error handling) can be shared with
-the compression half of the library.
-
-There may be several implementations of each of these elements, particularly
-in the decompressor, where a wide range of speed/quality tradeoffs is very
-useful. It must be understood that some of the best speedups involve
-merging adjacent steps in the pipeline. For example, upsampling, color space
-conversion, and color quantization might all be done at once when using a
-low-quality ordered-dither technique. The system architecture is designed to
-allow such merging where appropriate.
-
-
-Note: it is convenient to regard edge expansion (padding to block boundaries)
-as a preprocessing/postprocessing function, even though the JPEG spec includes
-it in compression/decompression. We do this because downsampling/upsampling
-can be simplified a little if they work on padded data: it's not necessary to
-have special cases at the right and bottom edges. Therefore the interface
-buffer is always an integral number of blocks wide and high, and we expect
-compression preprocessing to pad the source data properly. Padding will occur
-only to the next block (8-sample) boundary. In an interleaved-scan situation,
-additional dummy blocks may be used to fill out MCUs, but the MCU assembly and
-disassembly logic will create or discard these blocks internally. (This is
-advantageous for speed reasons, since we avoid DCTing the dummy blocks.
-It also permits a small reduction in file size, because the compressor can
-choose dummy block contents so as to minimize their size in compressed form.)
-Applications that wish to deal directly with the downsampled data must provide
-similar buffering and padding for odd-sized images.
-
-
-*** Poor man's object-oriented programming ***
-
-It should be clear by now that we have a lot of quasi-independent processing
-steps, many of which have several possible behaviors. To avoid cluttering the
-code with lots of switch statements, we use a simple form of object-style
-programming to separate out the different possibilities.
-
-For example, two different color quantization algorithms could be implemented
-as two separate modules that present the same external interface; at runtime,
-the calling code will access the proper module indirectly through an "object".
-
-We can get the limited features we need while staying within portable C.
-The basic tool is a function pointer. An "object" is just a struct
-containing one or more function pointer fields, each of which corresponds to
-a method name in real object-oriented languages. During initialization we
-fill in the function pointers with references to whichever module we have
-determined we need to use in this run. Then invocation of the module is done
-by indirecting through a function pointer; on most machines this is no more
-expensive than a switch statement, which would be the only other way of
-making the required run-time choice. The really significant benefit, of
-course, is keeping the source code clean and well structured.
-
-We can also arrange to have private storage that varies between different
-implementations of the same kind of object. We do this by making all the
-module-specific object structs be separately allocated entities, which will
-be accessed via pointers in the master compression or decompression struct.
-The "public" fields or methods for a given kind of object are specified by
-a commonly known struct. But a module's initialization code can allocate
-a larger struct that contains the common struct as its first member, plus
-additional private fields. With appropriate pointer casting, the module's
-internal functions can access these private fields. (For a simple example,
-see jdatadst.c, which implements the external interface specified by struct
-jpeg_destination_mgr, but adds extra fields.)
-
-(Of course this would all be a lot easier if we were using C++, but we are
-not yet prepared to assume that everyone has a C++ compiler.)
-
-An important benefit of this scheme is that it is easy to provide multiple
-versions of any method, each tuned to a particular case. While a lot of
-precalculation might be done to select an optimal implementation of a method,
-the cost per invocation is constant. For example, the upsampling step might
-have a "generic" method, plus one or more "hardwired" methods for the most
-popular sampling factors; the hardwired methods would be faster because they'd
-use straight-line code instead of for-loops. The cost to determine which
-method to use is paid only once, at startup, and the selection criteria are
-hidden from the callers of the method.
-
-This plan differs a little bit from usual object-oriented structures, in that
-only one instance of each object class will exist during execution. The
-reason for having the class structure is that on different runs we may create
-different instances (choose to execute different modules). You can think of
-the term "method" as denoting the common interface presented by a particular
-set of interchangeable functions, and "object" as denoting a group of related
-methods, or the total shared interface behavior of a group of modules.
-
-
-*** Overall control structure ***
-
-We previously mentioned the need for overall control logic in the compression
-and decompression libraries. In IJG implementations prior to v5, overall
-control was mostly provided by "pipeline control" modules, which proved to be
-large, unwieldy, and hard to understand. To improve the situation, the
-control logic has been subdivided into multiple modules. The control modules
-consist of:
-
-1. Master control for module selection and initialization. This has two
-responsibilities:
-
- 1A. Startup initialization at the beginning of image processing.
- The individual processing modules to be used in this run are selected
- and given initialization calls.
-
- 1B. Per-pass control. This determines how many passes will be performed
- and calls each active processing module to configure itself
- appropriately at the beginning of each pass. End-of-pass processing,
- where necessary, is also invoked from the master control module.
-
- Method selection is partially distributed, in that a particular processing
- module may contain several possible implementations of a particular method,
- which it will select among when given its initialization call. The master
- control code need only be concerned with decisions that affect more than
- one module.
-
-2. Data buffering control. A separate control module exists for each
- inter-processing-step data buffer. This module is responsible for
- invoking the processing steps that write or read that data buffer.
-
-Each buffer controller sees the world as follows:
-
-input data => processing step A => buffer => processing step B => output data
- | | |
- ------------------ controller ------------------
-
-The controller knows the dataflow requirements of steps A and B: how much data
-they want to accept in one chunk and how much they output in one chunk. Its
-function is to manage its buffer and call A and B at the proper times.
-
-A data buffer control module may itself be viewed as a processing step by a
-higher-level control module; thus the control modules form a binary tree with
-elementary processing steps at the leaves of the tree.
-
-The control modules are objects. A considerable amount of flexibility can
-be had by replacing implementations of a control module. For example:
-* Merging of adjacent steps in the pipeline is done by replacing a control
- module and its pair of processing-step modules with a single processing-
- step module. (Hence the possible merges are determined by the tree of
- control modules.)
-* In some processing modes, a given interstep buffer need only be a "strip"
- buffer large enough to accommodate the desired data chunk sizes. In other
- modes, a full-image buffer is needed and several passes are required.
- The control module determines which kind of buffer is used and manipulates
- virtual array buffers as needed. One or both processing steps may be
- unaware of the multi-pass behavior.
-
-In theory, we might be able to make all of the data buffer controllers
-interchangeable and provide just one set of implementations for all. In
-practice, each one contains considerable special-case processing for its
-particular job. The buffer controller concept should be regarded as an
-overall system structuring principle, not as a complete description of the
-task performed by any one controller.
-
-
-*** Compression object structure ***
-
-Here is a sketch of the logical structure of the JPEG compression library:
-
- |-- Colorspace conversion
- |-- Preprocessing controller --|
- | |-- Downsampling
-Main controller --|
- | |-- Forward DCT, quantize
- |-- Coefficient controller --|
- |-- Entropy encoding
-
-This sketch also describes the flow of control (subroutine calls) during
-typical image data processing. Each of the components shown in the diagram is
-an "object" which may have several different implementations available. One
-or more source code files contain the actual implementation(s) of each object.
-
-The objects shown above are:
-
-* Main controller: buffer controller for the subsampled-data buffer, which
- holds the preprocessed input data. This controller invokes preprocessing to
- fill the subsampled-data buffer, and JPEG compression to empty it. There is
- usually no need for a full-image buffer here; a strip buffer is adequate.
-
-* Preprocessing controller: buffer controller for the downsampling input data
- buffer, which lies between colorspace conversion and downsampling. Note
- that a unified conversion/downsampling module would probably replace this
- controller entirely.
-
-* Colorspace conversion: converts application image data into the desired
- JPEG color space; also changes the data from pixel-interleaved layout to
- separate component planes. Processes one pixel row at a time.
-
-* Downsampling: performs reduction of chroma components as required.
- Optionally may perform pixel-level smoothing as well. Processes a "row
- group" at a time, where a row group is defined as Vmax pixel rows of each
- component before downsampling, and Vk sample rows afterwards (remember Vk
- differs across components). Some downsampling or smoothing algorithms may
- require context rows above and below the current row group; the
- preprocessing controller is responsible for supplying these rows via proper
- buffering. The downsampler is responsible for edge expansion at the right
- edge (i.e., extending each sample row to a multiple of 8 samples); but the
- preprocessing controller is responsible for vertical edge expansion (i.e.,
- duplicating the bottom sample row as needed to make a multiple of 8 rows).
-
-* Coefficient controller: buffer controller for the DCT-coefficient data.
- This controller handles MCU assembly, including insertion of dummy DCT
- blocks when needed at the right or bottom edge. When performing
- Huffman-code optimization or emitting a multiscan JPEG file, this
- controller is responsible for buffering the full image.
-
-* Forward DCT and quantization: Perform DCT, quantize, and emit coefficients
- in zigzag block order. Works on one or more DCT blocks at a time.
-
-* Entropy encoding: Perform Huffman or arithmetic entropy coding and emit the
- coded data to the data destination module. Works on one MCU per call.
-
-In addition to the above objects, the compression library includes these
-objects:
-
-* Master control: determines the number of passes required, controls overall
- and per-pass initialization of the other modules.
-
-* Marker writing: generates JPEG markers (except for RSTn, which is emitted
- by the entropy encoder when needed).
-
-* Data destination manager: writes the output JPEG datastream to its final
- destination (e.g., a file). The destination manager supplied with the
- library knows how to write to a stdio stream; for other behaviors, the
- surrounding application may provide its own destination manager.
-
-* Memory manager: allocates and releases memory, controls virtual arrays
- (with backing store management, where required).
-
-* Error handler: performs formatting and output of error and trace messages;
- determines handling of nonfatal errors. The surrounding application may
- override some or all of this object's methods to change error handling.
-
-* Progress monitor: supports output of "percent-done" progress reports.
- This object represents an optional callback to the surrounding application:
- if wanted, it must be supplied by the application.
-
-The error handler, destination manager, and progress monitor objects are
-defined as separate objects in order to simplify application-specific
-customization of the JPEG library. A surrounding application may override
-individual methods or supply its own all-new implementation of one of these
-objects. The object interfaces for these objects are therefore treated as
-part of the application interface of the library, whereas the other objects
-are internal to the library.
-
-The error handler and memory manager are shared by JPEG compression and
-decompression; the progress monitor, if used, may be shared as well.
-
-
-*** Decompression object structure ***
-
-Here is a sketch of the logical structure of the JPEG decompression library:
-
- |-- Entropy decoding
- |-- Coefficient controller --|
- | |-- Dequantize, Inverse DCT
-Main controller --|
- | |-- Upsampling
- |-- Postprocessing controller --| |-- Colorspace conversion
- |-- Color quantization
- |-- Color precision reduction
-
-As before, this diagram also represents typical control flow. The objects
-shown are:
-
-* Main controller: buffer controller for the subsampled-data buffer, which
- holds the output of JPEG decompression proper. This controller's primary
- task is to feed the postprocessing procedure. Some upsampling algorithms
- may require context rows above and below the current row group; when this
- is true, the main controller is responsible for managing its buffer so as
- to make context rows available. In the current design, the main buffer is
- always a strip buffer; a full-image buffer is never required.
-
-* Coefficient controller: buffer controller for the DCT-coefficient data.
- This controller handles MCU disassembly, including deletion of any dummy
- DCT blocks at the right or bottom edge. When reading a multiscan JPEG
- file, this controller is responsible for buffering the full image.
- (Buffering DCT coefficients, rather than samples, is necessary to support
- progressive JPEG.) The equivalent of one fully interleaved MCU row of
- subsampled data is processed per call, even when the source JPEG file is
- noninterleaved.
-
-* Entropy decoding: Read coded data from the data source module and perform
- Huffman or arithmetic entropy decoding. Works on one MCU per call.
-
-* Dequantization and inverse DCT: like it says. Note that the coefficients
- buffered by the coefficient controller have NOT been dequantized; we
- merge dequantization and inverse DCT into a single step for speed reasons.
- When scaled-down output is asked for, simplified DCT algorithms may be used
- that emit only 1x1, 2x2, or 4x4 samples per DCT block, not the full 8x8.
- Works on one DCT block at a time.
-
-* Postprocessing controller: buffer controller for the color quantization
- input buffer, when quantization is in use. (Without quantization, this
- controller just calls the upsampler.) For two-pass quantization, this
- controller is responsible for buffering the full-image data.
-
-* Upsampling: restores chroma components to full size. (May support more
- general output rescaling, too. Note that if undersized DCT outputs have
- been emitted by the DCT module, this module must adjust so that properly
- sized outputs are created.) Works on one row group at a time. This module
- also calls the color conversion module, so its top level is effectively a
- buffer controller for the upsampling->color conversion buffer. However, in
- all but the highest-quality operating modes, upsampling and color
- conversion are likely to be merged into a single step.
-
-* Colorspace conversion: convert from JPEG color space to output color space,
- and change data layout from separate component planes to pixel-interleaved.
- Works on one pixel row at a time.
-
-* Color quantization: reduce the data to colormapped form, using either an
- externally specified colormap or an internally generated one. This module
- is not used for full-color output. Works on one pixel row at a time; may
- require two passes to generate a color map. Note that the output will
- always be a single component representing colormap indexes. In the current
- design, the output values are JSAMPLEs, so an 8-bit compilation cannot
- quantize to more than 256 colors. This is unlikely to be a problem in
- practice.
-
-* Color reduction: this module handles color precision reduction, e.g.,
- generating 15-bit color (5 bits/primary) from JPEG's 24-bit output.
- Not quite clear yet how this should be handled... should we merge it with
- colorspace conversion???
-
-Note that some high-speed operating modes might condense the entire
-postprocessing sequence to a single module (upsample, color convert, and
-quantize in one step).
-
-In addition to the above objects, the decompression library includes these
-objects:
-
-* Master control: determines the number of passes required, controls overall
- and per-pass initialization of the other modules.
-
-* Marker reading: decodes JPEG markers (except for RSTn).
-
-* Data source manager: supplies the input JPEG datastream. The source
- manager supplied with the library knows how to read from a stdio stream;
- for other behaviors, the surrounding application may provide its own source
- manager.
-
-* Memory manager: same as for compression library.
-
-* Error handler: same as for compression library.
-
-* Progress monitor: same as for compression library.
-
-As with compression, the data source manager, error handler, and progress
-monitor are candidates for replacement by a surrounding application.
-
-
-*** Data formats ***
-
-Arrays of pixel sample values use the following data structure:
-
- typedef something JSAMPLE; a pixel component value, 0..MAXJSAMPLE
- typedef JSAMPLE *JSAMPROW; ptr to a row of samples
- typedef JSAMPROW *JSAMPARRAY; ptr to a list of rows
- typedef JSAMPARRAY *JSAMPIMAGE; ptr to a list of color-component arrays
-
-The basic element type JSAMPLE will typically be one of unsigned char,
-(signed) char, or short. Short will be used if samples wider than 8 bits are
-to be supported (this is a compile-time option). Otherwise, unsigned char is
-used if possible. If the compiler only supports signed chars, then it is
-necessary to mask off the value when reading. Thus, all reads of JSAMPLE
-values must be coded as "GETJSAMPLE(value)", where the macro will be defined
-as "((value) & 0xFF)" on signed-char machines and "((int) (value))" elsewhere.
-
-With these conventions, JSAMPLE values can be assumed to be >= 0. This helps
-simplify correct rounding during downsampling, etc. The JPEG standard's
-specification that sample values run from -128..127 is accommodated by
-subtracting 128 just as the sample value is copied into the source array for
-the DCT step (this will be an array of signed ints). Similarly, during
-decompression the output of the IDCT step will be immediately shifted back to
-0..255. (NB: different values are required when 12-bit samples are in use.
-The code is written in terms of MAXJSAMPLE and CENTERJSAMPLE, which will be
-defined as 255 and 128 respectively in an 8-bit implementation, and as 4095
-and 2048 in a 12-bit implementation.)
-
-We use a pointer per row, rather than a two-dimensional JSAMPLE array. This
-choice costs only a small amount of memory and has several benefits:
-* Code using the data structure doesn't need to know the allocated width of
- the rows. This simplifies edge expansion/compression, since we can work
- in an array that's wider than the logical picture width.
-* Indexing doesn't require multiplication; this is a performance win on many
- machines.
-* Arrays with more than 64K total elements can be supported even on machines
- where malloc() cannot allocate chunks larger than 64K.
-* The rows forming a component array may be allocated at different times
- without extra copying. This trick allows some speedups in smoothing steps
- that need access to the previous and next rows.
-
-Note that each color component is stored in a separate array; we don't use the
-traditional layout in which the components of a pixel are stored together.
-This simplifies coding of modules that work on each component independently,
-because they don't need to know how many components there are. Furthermore,
-we can read or write each component to a temporary file independently, which
-is helpful when dealing with noninterleaved JPEG files.
-
-In general, a specific sample value is accessed by code such as
- GETJSAMPLE(image[colorcomponent][row][col])
-where col is measured from the image left edge, but row is measured from the
-first sample row currently in memory. Either of the first two indexings can
-be precomputed by copying the relevant pointer.
-
-
-Since most image-processing applications prefer to work on images in which
-the components of a pixel are stored together, the data passed to or from the
-surrounding application uses the traditional convention: a single pixel is
-represented by N consecutive JSAMPLE values, and an image row is an array of
-(# of color components)*(image width) JSAMPLEs. One or more rows of data can
-be represented by a pointer of type JSAMPARRAY in this scheme. This scheme is
-converted to component-wise storage inside the JPEG library. (Applications
-that want to skip JPEG preprocessing or postprocessing will have to contend
-with component-wise storage.)
-
-
-Arrays of DCT-coefficient values use the following data structure:
-
- typedef short JCOEF; a 16-bit signed integer
- typedef JCOEF JBLOCK[DCTSIZE2]; an 8x8 block of coefficients
- typedef JBLOCK *JBLOCKROW; ptr to one horizontal row of 8x8 blocks
- typedef JBLOCKROW *JBLOCKARRAY; ptr to a list of such rows
- typedef JBLOCKARRAY *JBLOCKIMAGE; ptr to a list of color component arrays
-
-The underlying type is at least a 16-bit signed integer; while "short" is big
-enough on all machines of interest, on some machines it is preferable to use
-"int" for speed reasons, despite the storage cost. Coefficients are grouped
-into 8x8 blocks (but we always use #defines DCTSIZE and DCTSIZE2 rather than
-"8" and "64"). The contents of a block may be either in "natural" or
-zigzagged order, and may be true values or divided by the quantization
-coefficients, depending on where the block is in the processing pipeline.
-
-Notice that the allocation unit is now a row of 8x8 blocks, corresponding to
-eight rows of samples. Otherwise the structure is much the same as for
-samples, and for the same reasons.
-
-On machines where malloc() can't handle a request bigger than 64Kb, this data
-structure limits us to rows of less than 512 JBLOCKs, or a picture width of
-4000+ pixels. This seems an acceptable restriction.
-
-
-On 80x86 machines, the bottom-level pointer types (JSAMPROW and JBLOCKROW)
-must be declared as "far" pointers, but the upper levels can be "near"
-(implying that the pointer lists are allocated in the DS segment).
-We use a #define symbol FAR, which expands to the "far" keyword when
-compiling on 80x86 machines and to nothing elsewhere.
-
-
-*** Suspendable processing ***
-
-In some applications it is desirable to use the JPEG library as an
-incremental, memory-to-memory filter. In this situation the data source or
-destination may be a limited-size buffer, and we can't rely on being able to
-empty or refill the buffer at arbitrary times. Instead the application would
-like to have control return from the library at buffer overflow/underrun, and
-then resume compression or decompression at a later time.
-
-This scenario is supported for simple cases, namely, single-pass processing
-of single-scan JPEG files. (For anything more complex, we recommend that the
-application "bite the bullet" and develop real multitasking capability.) The
-libjpeg.doc file goes into more detail about the usage and limitations of
-this capability; here we address the implications for library structure.
-
-The essence of the problem is that the entropy codec (coder or decoder) must
-be prepared to stop at arbitrary times. In turn, the controllers that call
-the entropy codec must be able to stop before having produced or consumed all
-the data that they normally would handle in one call. That part is reasonably
-straightforward: we make the controller call interfaces include "progress
-counters" which indicate the number of data chunks successfully processed, and
-we require callers to test the counter rather than just assume all of the data
-was processed.
-
-Rather than trying to restart at an arbitrary point, the current Huffman
-codecs are designed to restart at the beginning of the current MCU after a
-suspension due to buffer overflow/underrun. At the start of each call, the
-codec's internal state is loaded from permanent storage (in the JPEG object
-structures) into local variables. On successful completion of the MCU, the
-permanent state is updated. (This copying is not very expensive, and may even
-lead to *improved* performance if the local variables can be registerized.)
-If a suspension occurs, the codec simply returns without updating the state,
-thus effectively reverting to the start of the MCU. Note that this implies
-leaving some data unprocessed in the source/destination buffer (ie, the
-compressed partial MCU). The data source/destination module interfaces are
-specified so as to make this possible. This also implies that the data buffer
-must be large enough to hold a worst-case compressed MCU; a couple thousand
-bytes should be enough.
-
-This design would probably not work for an arithmetic codec, since its
-modifiable state is quite large and couldn't be copied cheaply. Instead it
-would have to suspend and resume exactly at the point of the buffer end.
-Also, a progressive JPEG decoder would have some problems with having already
-updated the output DCT coefficient buffer, since progressive decoding depends
-on the prior state of the coefficient buffer. This case might also have to be
-handled by exact restart. Currently I expect that IJG will just not support
-suspendable operation in these cases (when and if we implement them at all).
-
-The JPEG marker reader is designed to cope with suspension at an arbitrary
-point. It does so by backing up to the start of the marker parameter segment,
-so the data buffer must be big enough to hold the largest marker of interest.
-Again, a couple KB should be adequate. (A special "skip" convention is used
-to bypass COM and APPn markers, so these can be larger than the buffer size
-without causing problems; otherwise a 64K buffer would be needed in the worst
-case.)
-
-The JPEG marker writer currently does *not* cope with suspension. I feel that
-this is not necessary; it is much easier simply to require the application to
-ensure there is enough buffer space before starting. (An empty 2K buffer is
-more than sufficient for the header markers; and ensuring there are a dozen or
-two bytes available before calling jpeg_finish_compress() will suffice for the
-trailer.) Again, this would not work for writing multi-scan JPEG files, but
-we simply do not intend to support that capability with suspension.
-
-
-*** Memory manager services ***
-
-The JPEG library's memory manager controls allocation and deallocation of
-memory, and it manages large "virtual" data arrays on machines where the
-operating system does not provide virtual memory. Note that the same
-memory manager serves both compression and decompression operations.
-
-In all cases, allocated objects are tied to a particular compression or
-decompression master record, and they will be released when that master
-record is destroyed.
-
-The memory manager does not provide explicit deallocation of objects.
-Instead, objects are created in "pools" of free storage, and a whole pool
-can be freed at once. This approach helps prevent storage-leak bugs, and
-it speeds up operations whenever malloc/free are slow (as they often are).
-The pools can be regarded as lifetime identifiers for objects. Two
-pools/lifetimes are defined:
- * JPOOL_PERMANENT lasts until master record is destroyed
- * JPOOL_IMAGE lasts until done with image (JPEG datastream)
-Permanent lifetime is used for parameters and tables that should be carried
-across from one datastream to another; this includes all application-visible
-parameters. Image lifetime is used for everything else. (A third lifetime,
-JPOOL_PASS = one processing pass, was originally planned. However it was
-dropped as not being worthwhile. The actual usage patterns are such that the
-peak memory usage would be about the same anyway; and having per-pass storage
-substantially complicates the virtual memory allocation rules --- see below.)
-
-The memory manager deals with three kinds of object:
-1. "Small" objects. Typically these require no more than 10K-20K total.
-2. "Large" objects. These may require tens to hundreds of K depending on
- image size. Semantically they behave the same as small objects, but we
- distinguish them for two reasons:
- * On MS-DOS machines, large objects are referenced by FAR pointers,
- small objects by NEAR pointers.
- * Pool allocation heuristics may differ for large and small objects.
- Note that individual "large" objects cannot exceed the size allowed by
- type size_t, which may be 64K or less on some machines.
-3. "Virtual" objects. These are large 2-D arrays of JSAMPLEs or JBLOCKs
- (typically large enough for the entire image being processed). The
- memory manager provides stripwise access to these arrays. On machines
- without virtual memory, the rest of the array may be swapped out to a
- temporary file.
-
-(Note: JSAMPARRAY and JBLOCKARRAY data structures are a combination of large
-objects for the data proper and small objects for the row pointers. For
-convenience and speed, the memory manager provides single routines to create
-these structures. Similarly, virtual arrays include a small control block
-and a JSAMPARRAY or JBLOCKARRAY working buffer, all created with one call.)
-
-In the present implementation, virtual arrays are only permitted to have image
-lifespan. (Permanent lifespan would not be reasonable, and pass lifespan is
-not very useful since a virtual array's raison d'etre is to store data for
-multiple passes through the image.) We also expect that only "small" objects
-will be given permanent lifespan, though this restriction is not required by
-the memory manager.
-
-In a non-virtual-memory machine, some performance benefit can be gained by
-making the in-memory buffers for virtual arrays be as large as possible.
-(For small images, the buffers might fit entirely in memory, so blind
-swapping would be very wasteful.) The memory manager will adjust the height
-of the buffers to fit within a prespecified maximum memory usage. In order
-to do this in a reasonably optimal fashion, the manager needs to allocate all
-of the virtual arrays at once. Therefore, there isn't a one-step allocation
-routine for virtual arrays; instead, there is a "request" routine that simply
-allocates the control block, and a "realize" routine (called just once) that
-determines space allocation and creates all of the actual buffers. The
-realize routine must allow for space occupied by non-virtual large objects.
-(We don't bother to factor in the space needed for small objects, on the
-grounds that it isn't worth the trouble.)
-
-To support all this, we establish the following protocol for doing business
-with the memory manager:
- 1. Modules must request virtual arrays (which may have only image lifespan)
- during the global selection phase, i.e., in their jinit_xxx routines.
- 2. All "large" objects (including JSAMPARRAYs and JBLOCKARRAYs) must also be
- allocated at global selection time.
- 3. realize_virt_arrays will be called at the completion of global selection.
- The above conventions ensure that sufficient information is available
- for it to choose a good size for virtual array buffers.
-Small objects of any lifespan may be allocated at any time. We expect that
-the total space used for small objects will be small enough to be negligible
-in the realize_virt_arrays computation.
-
-In a virtual-memory machine, we simply pretend that the available space is
-infinite, thus causing realize_virt_arrays to decide that it can allocate all
-the virtual arrays as full-size in-memory buffers. The overhead of the
-virtual-array access protocol is very small when no swapping occurs.
-
-
-*** Memory manager internal structure ***
-
-To isolate system dependencies as much as possible, we have broken the
-memory manager into two parts. There is a reasonably system-independent
-"front end" (jmemmgr.c) and a "back end" that contains only the code
-likely to change across systems. All of the memory management methods
-outlined above are implemented by the front end. The back end provides
-the following routines for use by the front end (none of these routines
-are known to the rest of the JPEG code):
-
-jpeg_mem_init, jpeg_mem_term system-dependent initialization/shutdown
-
-jpeg_get_small, jpeg_free_small interface to malloc and free library routines
- (or their equivalents)
-
-jpeg_get_large, jpeg_free_large interface to FAR malloc/free in MSDOS machines;
- else usually the same as
- jpeg_get_small/jpeg_free_small
-
-jpeg_mem_available estimate available memory
-
-jpeg_open_backing_store create a backing-store object
-
-read_backing_store, manipulate a backing-store object
-write_backing_store,
-close_backing_store
-
-On some systems there will be more than one type of backing-store object
-(specifically, in MS-DOS a backing store file might be an area of extended
-memory as well as a disk file). jpeg_open_backing_store is responsible for
-choosing how to implement a given object. The read/write/close routines
-are method pointers in the structure that describes a given object; this
-lets them be different for different object types.
-
-It may be necessary to ensure that backing store objects are explicitly
-released upon abnormal program termination. For example, MS-DOS won't free
-extended memory by itself. To support this, we will expect the main program
-or surrounding application to arrange to call self_destruct (typically via
-jpeg_destroy) upon abnormal termination. This may require a SIGINT signal
-handler or equivalent. We don't want to have the back end module install its
-own signal handler, because that would pre-empt the surrounding application's
-ability to control signal handling.
-
-The IJG distribution includes several memory manager back end implementations.
-Usually the same back end should be suitable for all applications on a given
-system, but it is possible for an application to supply its own back end at
-need.
-
-
-*** Implications of DNL marker ***
-
-Some JPEG files may use a DNL marker to postpone definition of the image
-height (this would be useful for a fax-like scanner's output, for instance).
-In these files the SOF marker claims the image height is 0, and you only
-find out the true image height at the end of the first scan.
-
-We could read these files as follows:
-1. Upon seeing zero image height, replace it by 65535 (the maximum allowed).
-2. When the DNL is found, update the image height in the global image
- descriptor.
-This implies that control modules must avoid making copies of the image
-height, and must re-test for termination after each MCU row. This would
-be easy enough to do.
-
-In cases where image-size data structures are allocated, this approach will
-result in very inefficient use of virtual memory or much-larger-than-necessary
-temporary files. This seems acceptable for something that probably won't be a
-mainstream usage. People might have to forgo use of memory-hogging options
-(such as two-pass color quantization or noninterleaved JPEG files) if they
-want efficient conversion of such files. (One could improve efficiency by
-demanding a user-supplied upper bound for the height, less than 65536; in most
-cases it could be much less.)
-
-The standard also permits the SOF marker to overestimate the image height,
-with a DNL to give the true, smaller height at the end of the first scan.
-This would solve the space problems if the overestimate wasn't too great.
-However, it implies that you don't even know whether DNL will be used.
-
-This leads to a couple of very serious objections:
-1. Testing for a DNL marker must occur in the inner loop of the decompressor's
- Huffman decoder; this implies a speed penalty whether the feature is used
- or not.
-2. There is no way to hide the last-minute change in image height from an
- application using the decoder. Thus *every* application using the IJG
- library would suffer a complexity penalty whether it cared about DNL or
- not.
-We currently do not support DNL because of these problems.
-
-A different approach is to insist that DNL-using files be preprocessed by a
-separate program that reads ahead to the DNL, then goes back and fixes the SOF
-marker. This is a much simpler solution and is probably far more efficient.
-Even if one wants piped input, buffering the first scan of the JPEG file needs
-a lot smaller temp file than is implied by the maximum-height method. For
-this approach we'd simply treat DNL as a no-op in the decompressor (at most,
-check that it matches the SOF image height).
-
-We will not worry about making the compressor capable of outputting DNL.
-Something similar to the first scheme above could be applied if anyone ever
-wants to make that work.
diff --git a/jpeg/structure.doc.gz b/jpeg/structure.doc.gz
deleted file mode 100644
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diff --git a/jpeg/usage.doc b/jpeg/usage.doc
deleted file mode 100644
index 3fc061fc33..0000000000
--- a/jpeg/usage.doc
+++ /dev/null
@@ -1,449 +0,0 @@
-USAGE instructions for the Independent JPEG Group's JPEG software
-=================================================================
-
-This file describes usage of the JPEG conversion programs cjpeg and djpeg,
-as well as the utility programs rdjpgcom and wrjpgcom. (See the other
-documentation files if you wish to use the JPEG library within your own
-programs.)
-
-If you are on a Unix machine you may prefer to read the Unix-style manual
-pages in files cjpeg.1, djpeg.1, rdjpgcom.1, wrjpgcom.1.
-
-
-INTRODUCTION
-
-These programs implement JPEG image compression and decompression. JPEG
-(pronounced "jay-peg") is a standardized compression method for full-color
-and gray-scale images. JPEG is designed to handle "real-world" scenes,
-for example scanned photographs. Cartoons, line drawings, and other
-non-realistic images are not JPEG's strong suit; on that sort of material
-you may get poor image quality and/or little compression.
-
-JPEG is lossy, meaning that the output image is not necessarily identical to
-the input image. Hence you should not use JPEG if you have to have identical
-output bits. However, on typical real-world images, very good compression
-levels can be obtained with no visible change, and amazingly high compression
-is possible if you can tolerate a low-quality image. You can trade off image
-quality against file size by adjusting the compressor's "quality" setting.
-
-
-GENERAL USAGE
-
-We provide two programs, cjpeg to compress an image file into JPEG format,
-and djpeg to decompress a JPEG file back into a conventional image format.
-
-On Unix-like systems, you say:
- cjpeg [switches] [imagefile] >jpegfile
-or
- djpeg [switches] [jpegfile] >imagefile
-The programs read the specified input file, or standard input if none is
-named. They always write to standard output (with trace/error messages to
-standard error). These conventions are handy for piping images between
-programs.
-
-On most non-Unix systems, you say:
- cjpeg [switches] imagefile jpegfile
-or
- djpeg [switches] jpegfile imagefile
-i.e., both the input and output files are named on the command line. This
-style is a little more foolproof, and it loses no functionality if you don't
-have pipes. (You can get this style on Unix too, if you prefer, by defining
-TWO_FILE_COMMANDLINE when you compile the programs; see install.doc.)
-
-You can also say:
- cjpeg [switches] -outfile jpegfile imagefile
-or
- djpeg [switches] -outfile imagefile jpegfile
-This syntax works on all systems, so it is useful for scripts.
-
-The currently supported image file formats are: PPM (PBMPLUS color format),
-PGM (PBMPLUS gray-scale format), BMP, GIF, Targa, and RLE (Utah Raster Toolkit
-format). (RLE is supported only if the URT library is available.)
-cjpeg recognizes the input image format automatically, with the exception
-of some Targa-format files. You have to tell djpeg which format to generate.
-
-JPEG files are in the defacto standard JFIF file format. There are other,
-less widely used JPEG-based file formats, but we don't support them.
-
-All switch names may be abbreviated; for example, -grayscale may be written
--gray or -gr. Most of the "basic" switches can be abbreviated to as little as
-one letter. Upper and lower case are equivalent (-GIF is the same as -gif).
-British spellings are also accepted (e.g., -greyscale), though for brevity
-these are not mentioned below.
-
-
-CJPEG DETAILS
-
-The basic command line switches for cjpeg are:
-
- -quality N Scale quantization tables to adjust image quality.
- Quality is 0 (worst) to 100 (best); default is 75.
- (See below for more info.)
-
- -grayscale Create monochrome JPEG file from color input.
- Be sure to use this switch when compressing a grayscale
- GIF file, because cjpeg isn't bright enough to notice
- whether a GIF file uses only shades of gray. By
- saying -grayscale, you'll get a smaller JPEG file that
- takes less time to process.
-
- -optimize Perform optimization of entropy encoding parameters.
- Without this, default encoding parameters are used.
- -optimize usually makes the JPEG file a little smaller,
- but cjpeg runs somewhat slower and needs much more
- memory. Image quality and speed of decompression are
- unaffected by -optimize.
-
- -targa Input file is Targa format. Targa files that contain
- an "identification" field will not be automatically
- recognized by cjpeg; for such files you must specify
- -targa to make cjpeg treat the input as Targa format.
- For most Targa files, you won't need this switch.
-
-The -quality switch lets you trade off compressed file size against quality of
-the reconstructed image: the higher the quality setting, the larger the JPEG
-file, and the closer the output image will be to the original input. Normally
-you want to use the lowest quality setting (smallest file) that decompresses
-into something visually indistinguishable from the original image. For this
-purpose the quality setting should be between 50 and 95; the default of 75 is
-often about right. If you see defects at -quality 75, then go up 5 or 10
-counts at a time until you are happy with the output image. (The optimal
-setting will vary from one image to another.)
-
--quality 100 will generate a quantization table of all 1's, eliminating loss
-in the quantization step (but there is still information loss in subsampling,
-as well as roundoff error). This setting is mainly of interest for
-experimental purposes. Quality values above about 95 are NOT recommended for
-normal use; the compressed file size goes up dramatically for hardly any gain
-in output image quality.
-
-In the other direction, quality values below 50 will produce very small files
-of low image quality. Settings around 5 to 10 might be useful in preparing an
-index of a large image library, for example. Try -quality 2 (or so) for some
-amusing Cubist effects. (Note: quality values below about 25 generate 2-byte
-quantization tables, which are considered optional in the JPEG standard.
-cjpeg emits a warning message when you give such a quality value, because
-some commercial JPEG programs may be unable to decode the resulting file.
-Use -baseline if you need to ensure compatibility at low quality values.)
-
-Switches for advanced users:
-
- -dct int Use integer DCT method (default).
- -dct fast Use fast integer DCT (less accurate).
- -dct float Use floating-point DCT method.
- The floating-point method is the most accurate, but
- will be the slowest unless your machine has very fast
- floating-point hardware. Also note that results of
- the floating-point method may vary slightly across
- machines, while the integer methods should give the
- same results everywhere. The fast integer method is
- much less accurate than the other two.
-
- -restart N Emit a JPEG restart marker every N MCU rows, or every
- N MCU blocks if "B" is attached to the number.
- -restart 0 (the default) means no restart markers.
-
- -smooth N Smooth the input image to eliminate dithering noise.
- N, ranging from 1 to 100, indicates the strength of
- smoothing. 0 (the default) means no smoothing.
-
- -maxmemory N Set limit for amount of memory to use in processing
- large images. Value is in thousands of bytes, or
- millions of bytes if "M" is attached to the number.
- For example, -max 4m selects 4000000 bytes. If more
- space is needed, temporary files will be used.
-
- -verbose Enable debug printout. More -v's give more printout.
- or -debug Also, version information is printed at startup.
-
-The -restart option inserts extra markers that allow a JPEG decoder to
-resynchronize after a transmission error. Without restart markers, any damage
-to a compressed file will usually ruin the image from the point of the error
-to the end of the image; with restart markers, the damage is usually confined
-to the portion of the image up to the next restart marker. Of course, the
-restart markers occupy extra space. We recommend -restart 1 for images that
-will be transmitted across unreliable networks such as Usenet.
-
-The -smooth option filters the input to eliminate fine-scale noise. This is
-often useful when converting GIF files to JPEG: a moderate smoothing factor of
-10 to 50 gets rid of dithering patterns in the input file, resulting in a
-smaller JPEG file and a better-looking image. Too large a smoothing factor
-will visibly blur the image, however.
-
-Switches for wizards:
-
- -arithmetic Use arithmetic coding rather than Huffman coding.
- (Not currently supported for legal reasons.)
-
- -baseline Force a baseline JPEG file to be generated. This
- clamps quantization values to 8 bits even at low
- quality settings.
-
- -nointerleave Generate noninterleaved JPEG file (not yet supported).
-
- -qtables file Use the quantization tables given in the specified
- file. The file should contain one to four tables
- (64 values each) as plain text. Comments preceded by
- '#' may be included in the file. The tables are
- implicitly numbered 0,1,etc. If -quality N is also
- specified, the values in the file are scaled according
- to cjpeg's quality scaling curve.
-
- -qslots N[,...] Select which quantization table to use for each color
- component. By default, table 0 is used for luminance
- and table 1 for chrominance components.
-
- -sample HxV[,...] Set JPEG sampling factors. If you specify
- fewer H/V pairs than there are components, the
- remaining components are set to 1x1 sampling. The
- default setting is equivalent to "-sample 2x2".
-
-The "wizard" switches are intended for experimentation with JPEG. If you
-don't know what you are doing, DON'T USE THEM. You can easily produce files
-with worse image quality and/or poorer compression than you'll get from the
-default settings. Furthermore, these switches should not be used when making
-files intended for general use, because not all JPEG implementations will
-support unusual JPEG parameter settings.
-
-
-DJPEG DETAILS
-
-The basic command line switches for djpeg are:
-
- -colors N Reduce image to at most N colors. This reduces the
- or -quantize N number of colors used in the output image, so that it
- can be displayed on a colormapped display or stored in
- a colormapped file format. For example, if you have
- an 8-bit display, you'd need to reduce to 256 or fewer
- colors. (-colors is the recommended name, -quantize
- is provided only for backwards compatibility.)
-
- -fast Select recommended processing options for fast, low
- quality output. (The default options are chosen for
- highest quality output.) Currently, this is equivalent
- to "-dct fast -nosmooth -onepass -dither ordered".
-
- -grayscale Force gray-scale output even if JPEG file is color.
- Useful for viewing on monochrome displays; also,
- djpeg runs noticeably faster in this mode.
-
- -scale M/N Scale the output image by a factor M/N. Currently
- the scale factor must be 1/1, 1/2, 1/4, or 1/8.
- Scaling is handy if the image is larger than your
- screen; also, djpeg runs much faster when scaling
- down the output.
-
- -bmp Select BMP output format (Windows flavor). 8-bit
- colormapped format is emitted if -colors or -grayscale
- is specified, or if the JPEG file is gray-scale;
- otherwise, 24-bit full-color format is emitted.
-
- -gif Select GIF output format. Since GIF does not support
- more than 256 colors, -colors 256 is assumed (unless
- you specify a smaller number of colors). If you
- specify -fast, the default number of colors is 216.
-
- -os2 Select BMP output format (OS/2 1.x flavor). 8-bit
- colormapped format is emitted if -colors or -grayscale
- is specified, or if the JPEG file is gray-scale;
- otherwise, 24-bit full-color format is emitted.
-
- -pnm Select PBMPLUS (PPM/PGM) output format (this is the
- default format). PGM is emitted if the JPEG file is
- gray-scale or if -grayscale is specified; otherwise
- PPM is emitted.
-
- -rle Select RLE output format. (Requires URT library.)
-
- -targa Select Targa output format. Gray-scale format is
- emitted if the JPEG file is gray-scale or if
- -grayscale is specified; otherwise, colormapped format
- is emitted if -colors is specified; otherwise, 24-bit
- full-color format is emitted.
-
-Switches for advanced users:
-
- -dct int Use integer DCT method (default).
- -dct fast Use fast integer DCT (less accurate).
- -dct float Use floating-point DCT method.
- The floating-point method is the most accurate, but
- will be the slowest unless your machine has very fast
- floating-point hardware. Also note that results of
- the floating-point method may vary slightly across
- machines, while the integer methods should give the
- same results everywhere. The fast integer method is
- much less accurate than the other two.
-
- -dither fs Use Floyd-Steinberg dithering in color quantization.
- -dither ordered Use ordered dithering in color quantization.
- -dither none Do not use dithering in color quantization.
- By default, Floyd-Steinberg dithering is applied when
- quantizing colors; this is slow but usually produces
- the best results. Ordered dither is a compromise
- between speed and quality; no dithering is fast but
- usually looks awful. Note that these switches have
- no effect unless color quantization is being done.
- Ordered dither is only available in -onepass mode.
-
- -map FILE Quantize to the colors used in the specified image
- file. This is useful for producing multiple files
- with identical color maps, or for forcing a predefined
- set of colors to be used. The FILE must be a GIF
- or PPM file. This option overrides -colors and
- -onepass.
-
- -nosmooth Use a faster, lower-quality upsampling routine.
-
- -onepass Use one-pass instead of two-pass color quantization.
- The one-pass method is faster and needs less memory,
- but it produces a lower-quality image. -onepass is
- ignored unless you also say -colors N. Also,
- the one-pass method is always used for gray-scale
- output (the two-pass method is no improvement then).
-
- -maxmemory N Set limit for amount of memory to use in processing
- large images. Value is in thousands of bytes, or
- millions of bytes if "M" is attached to the number.
- For example, -max 4m selects 4000000 bytes. If more
- space is needed, temporary files will be used.
-
- -verbose Enable debug printout. More -v's give more printout.
- or -debug Also, version information is printed at startup.
-
-
-HINTS FOR CJPEG
-
-Color GIF files are not the ideal input for JPEG; JPEG is really intended for
-compressing full-color (24-bit) images. In particular, don't try to convert
-cartoons, line drawings, and other images that have only a few distinct
-colors. GIF works great on these, JPEG does not. If you want to convert a
-GIF to JPEG, you should experiment with cjpeg's -quality and -smooth options
-to get a satisfactory conversion. -smooth 10 or so is often helpful.
-
-Avoid running an image through a series of JPEG compression/decompression
-cycles. Image quality loss will accumulate; after ten or so cycles the image
-may be noticeably worse than it was after one cycle. It's best to use a
-lossless format while manipulating an image, then convert to JPEG format when
-you are ready to file the image away.
-
-The -optimize option to cjpeg is worth using when you are making a "final"
-version for posting or archiving. It's also a win when you are using low
-quality settings to make very small JPEG files; the percentage improvement
-is often a lot more than it is on larger files.
-
-
-HINTS FOR DJPEG
-
-To get a quick preview of an image, use the -grayscale and/or -scale switches.
-"-grayscale -scale 1/8" is the fastest case.
-
-Several options are available that trade off image quality to gain speed.
-"-fast" turns on the recommended settings.
-
-"-dct fast" and/or "-nosmooth" gain speed at a small sacrifice in quality.
-When producing a color-quantized image, "-onepass -dither ordered" is fast but
-much lower quality than the default behavior. "-dither none" may give
-acceptable results in two-pass mode, but is seldom tolerable in one-pass mode.
-
-If you are fortunate enough to have very fast floating point hardware,
-"-dct float" may be even faster than "-dct fast".
-
-Two-pass color quantization requires a good deal of memory; on MS-DOS machines
-it may run out of memory even with -maxmemory 0. In that case you can still
-decompress, with some loss of image quality, by specifying -onepass for
-one-pass quantization.
-
-
-HINTS FOR BOTH PROGRAMS
-
-If more space is needed than will fit in the available main memory (as
-determined by -maxmemory), temporary files will be used. (MS-DOS versions
-will try to get extended or expanded memory first.) The temporary files are
-often rather large: in typical cases they occupy three bytes per pixel, for
-example 3*800*600 = 1.44Mb for an 800x600 image. If you don't have enough
-free disk space, leave out -optimize (for cjpeg) or specify -onepass (for
-djpeg).
-
-On MS-DOS, the temporary files are created in the directory named by the TMP
-or TEMP environment variable, or in the current directory if neither of those
-exist. Amiga implementations put the temp files in the directory named by
-JPEGTMP:, so be sure to assign JPEGTMP: to a disk partition with adequate free
-space.
-
-The default memory usage limit (-maxmemory) is set when the software is
-compiled. If you get an "insufficient memory" error, try specifying a smaller
--maxmemory value, even -maxmemory 0 to use the absolute minimum space. You
-may want to recompile with a smaller default value if this happens often.
-
-On machines that have "environment" variables, you can define the environment
-variable JPEGMEM to set the default memory limit. The value is specified as
-described for the -maxmemory switch. JPEGMEM overrides the default value
-specified when the program was compiled, and itself is overridden by an
-explicit -maxmemory switch.
-
-On MS-DOS machines, -maxmemory is the amount of main (conventional) memory to
-use. (Extended or expanded memory is also used if available.) Most
-DOS-specific versions of this software do their own memory space estimation
-and do not need you to specify -maxmemory.
-
-
-THE COMMENT UTILITIES
-
-The JPEG standard allows "comment" (COM) blocks to occur within a JPEG file.
-Although the standard doesn't actually define what COM blocks are for, they
-are widely used to hold user-supplied text strings. This lets you add
-annotations, titles, index terms, etc to your JPEG files, and later retrieve
-them as text. COM blocks do not interfere with the image stored in the JPEG
-file. The maximum size of a COM block is 64K, but you can have as many of
-them as you like in one JPEG file.
-
-We provide two utility programs to display COM block contents and add COM
-blocks to a JPEG file.
-
-rdjpgcom searches a JPEG file and prints the contents of any COM blocks on
-standard output. The command line syntax is
- rdjpgcom [-verbose] [inputfilename]
-The switch "-verbose" (or just "-v") causes rdjpgcom to also display the JPEG
-image dimensions. If you omit the input file name from the command line,
-the JPEG file is read from standard input. (This may not work on some
-operating systems, if binary data can't be read from stdin.)
-
-wrjpgcom adds a COM block, containing text you provide, to a JPEG file.
-Ordinarily, the COM block is added after any existing COM blocks, but you
-can delete the old COM blocks if you wish. wrjpgcom produces a new JPEG
-file; it does not modify the input file. DO NOT try to overwrite the input
-file by directing wrjpgcom's output back into it; on most systems this will
-just destroy your file.
-
-The command line syntax for wrjpgcom is similar to cjpeg's. On Unix-like
-systems, it is
- wrjpgcom [switches] [inputfilename]
-The output file is written to standard output. The input file comes from
-the named file, or from standard input if no input file is named.
-
-On most non-Unix systems, the syntax is
- wrjpgcom [switches] inputfilename outputfilename
-where both input and output file names must be given explicitly.
-
-wrjpgcom understands three switches:
- -replace Delete any existing COM blocks from the file.
- -comment "Comment text" Supply new COM text on command line.
- -cfile name Read text for new COM block from named file.
-(Switch names can be abbreviated.) If you have only one line of comment text
-to add, you can provide it on the command line with -comment. The comment
-text must be surrounded with quotes so that it is treated as a single
-argument. Longer comments can be read from a text file.
-
-If you give neither -comment nor -cfile, then wrjpgcom will read the comment
-text from standard input. (In this case an input image file name MUST be
-supplied, so that the source JPEG file comes from somewhere else.) You can
-enter multiple lines, up to 64KB worth. Type an end-of-file indicator
-(usually control-D or control-Z) to terminate the comment text entry.
-
-wrjpgcom will not add a COM block if the provided comment string is empty.
-Therefore -replace -comment "" can be used to delete all COM blocks from a
-file.
-
-These utility programs do not depend on the IJG JPEG library. In
-particular, the source code for rdjpgcom is intended as an illustration of
-the minimum amount of code required to parse a JPEG file header correctly.
diff --git a/jpeg/usage.doc.gz b/jpeg/usage.doc.gz
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diff --git a/jpeg/wrbmp.c b/jpeg/wrbmp.c
deleted file mode 100644
index 06970c6742..0000000000
--- a/jpeg/wrbmp.c
+++ /dev/null
@@ -1,440 +0,0 @@
-/*
- * wrbmp.c
- *
- * Copyright (C) 1994, Thomas G. Lane.
- * This file is part of the Independent JPEG Group's software.
- * For conditions of distribution and use, see the accompanying README file.
- *
- * This file contains routines to write output images in Microsoft "BMP"
- * format (MS Windows 3.x and OS/2 1.x flavors).
- * Either 8-bit colormapped or 24-bit full-color format can be written.
- * No compression is supported.
- *
- * These routines may need modification for non-Unix environments or
- * specialized applications. As they stand, they assume output to
- * an ordinary stdio stream.
- *
- * This code contributed by James Arthur Boucher.
- */
-
-#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */
-
-#ifdef BMP_SUPPORTED
-
-
-/*
- * To support 12-bit JPEG data, we'd have to scale output down to 8 bits.
- * This is not yet implemented.
- */
-
-#if BITS_IN_JSAMPLE != 8
- Sorry, this code only copes with 8-bit JSAMPLEs. /* deliberate syntax err */
-#endif
-
-/*
- * Since BMP stores scanlines bottom-to-top, we have to invert the image
- * from JPEG's top-to-bottom order. To do this, we save the outgoing data
- * in a virtual array during put_pixel_row calls, then actually emit the
- * BMP file during finish_output. The virtual array contains one JSAMPLE per
- * pixel if the output is grayscale or colormapped, three if it is full color.
- */
-
-/* Private version of data destination object */
-
-typedef struct {
- struct djpeg_dest_struct pub; /* public fields */
-
- boolean is_os2; /* saves the OS2 format request flag */
-
- jvirt_sarray_ptr whole_image; /* needed to reverse row order */
- JDIMENSION data_width; /* JSAMPLEs per row */
- JDIMENSION row_width; /* physical width of one row in the BMP file */
- int pad_bytes; /* number of padding bytes needed per row */
- JDIMENSION cur_output_row; /* next row# to write to virtual array */
-} bmp_dest_struct;
-
-typedef bmp_dest_struct * bmp_dest_ptr;
-
-
-/* Forward declarations */
-LOCAL void write_colormap
- JPP((j_decompress_ptr cinfo, bmp_dest_ptr dest,
- int map_colors, int map_entry_size));
-
-
-/*
- * Write some pixel data.
- * In this module rows_supplied will always be 1.
- */
-
-METHODDEF void
-put_pixel_rows (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo,
- JDIMENSION rows_supplied)
-/* This version is for writing 24-bit pixels */
-{
- bmp_dest_ptr dest = (bmp_dest_ptr) dinfo;
- JSAMPARRAY image_ptr;
- register JSAMPROW inptr, outptr;
- register JDIMENSION col;
- int pad;
-
- /* Access next row in virtual array */
- image_ptr = (*cinfo->mem->access_virt_sarray)
- ((j_common_ptr) cinfo, dest->whole_image, dest->cur_output_row, TRUE);
- dest->cur_output_row++;
-
- /* Transfer data. Note destination values must be in BGR order
- * (even though Microsoft's own documents say the opposite).
- */
- inptr = dest->pub.buffer[0];
- outptr = image_ptr[0];
- for (col = cinfo->output_width; col > 0; col--) {
- outptr[2] = *inptr++; /* can omit GETJSAMPLE() safely */
- outptr[1] = *inptr++;
- outptr[0] = *inptr++;
- outptr += 3;
- }
-
- /* Zero out the pad bytes. */
- pad = dest->pad_bytes;
- while (--pad >= 0)
- *outptr++ = 0;
-}
-
-METHODDEF void
-put_gray_rows (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo,
- JDIMENSION rows_supplied)
-/* This version is for grayscale OR quantized color output */
-{
- bmp_dest_ptr dest = (bmp_dest_ptr) dinfo;
- JSAMPARRAY image_ptr;
- register JSAMPROW inptr, outptr;
- register JDIMENSION col;
- int pad;
-
- /* Access next row in virtual array */
- image_ptr = (*cinfo->mem->access_virt_sarray)
- ((j_common_ptr) cinfo, dest->whole_image, dest->cur_output_row, TRUE);
- dest->cur_output_row++;
-
- /* Transfer data. */
- inptr = dest->pub.buffer[0];
- outptr = image_ptr[0];
- for (col = cinfo->output_width; col > 0; col--) {
- *outptr++ = *inptr++; /* can omit GETJSAMPLE() safely */
- }
-
- /* Zero out the pad bytes. */
- pad = dest->pad_bytes;
- while (--pad >= 0)
- *outptr++ = 0;
-}
-
-
-/*
- * Startup: normally writes the file header.
- * In this module we may as well postpone everything until finish_output.
- */
-
-METHODDEF void
-start_output_bmp (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo)
-{
- /* no work here */
-}
-
-
-/*
- * Finish up at the end of the file.
- *
- * Here is where we really output the BMP file.
- *
- * First, routines to write the Windows and OS/2 variants of the file header.
- */
-
-LOCAL void
-write_bmp_header (j_decompress_ptr cinfo, bmp_dest_ptr dest)
-/* Write a Windows-style BMP file header, including colormap if needed */
-{
- char bmpfileheader[14];
- char bmpinfoheader[40];
-#define PUT_2B(array,offset,value) \
- (array[offset] = (char) ((value) & 0xFF), \
- array[offset+1] = (char) (((value) >> 8) & 0xFF))
-#define PUT_4B(array,offset,value) \
- (array[offset] = (char) ((value) & 0xFF), \
- array[offset+1] = (char) (((value) >> 8) & 0xFF), \
- array[offset+2] = (char) (((value) >> 16) & 0xFF), \
- array[offset+3] = (char) (((value) >> 24) & 0xFF))
- INT32 headersize, bfSize;
- int bits_per_pixel, cmap_entries;
-
- /* Compute colormap size and total file size */
- if (cinfo->out_color_space == JCS_RGB) {
- if (cinfo->quantize_colors) {
- /* Colormapped RGB */
- bits_per_pixel = 8;
- cmap_entries = 256;
- } else {
- /* Unquantized, full color RGB */
- bits_per_pixel = 24;
- cmap_entries = 0;
- }
- } else {
- /* Grayscale output. We need to fake a 256-entry colormap. */
- bits_per_pixel = 8;
- cmap_entries = 256;
- }
- /* File size */
- headersize = 14 + 40 + cmap_entries * 4; /* Header and colormap */
- bfSize = headersize + (INT32) dest->row_width * (INT32) cinfo->output_height;
-
- /* Set unused fields of header to 0 */
- MEMZERO(bmpfileheader, SIZEOF(bmpfileheader));
- MEMZERO(bmpinfoheader, SIZEOF(bmpinfoheader));
-
- /* Fill the file header */
- bmpfileheader[0] = 0x42; /* first 2 bytes are ASCII 'B', 'M' */
- bmpfileheader[1] = 0x4D;
- PUT_4B(bmpfileheader, 2, bfSize); /* bfSize */
- /* we leave bfReserved1 & bfReserved2 = 0 */
- PUT_4B(bmpfileheader, 10, headersize); /* bfOffBits */
-
- /* Fill the info header (Microsoft calls this a BITMAPINFOHEADER) */
- PUT_2B(bmpinfoheader, 0, 40); /* biSize */
- PUT_4B(bmpinfoheader, 4, cinfo->output_width); /* biWidth */
- PUT_4B(bmpinfoheader, 8, cinfo->output_height); /* biHeight */
- PUT_2B(bmpinfoheader, 12, 1); /* biPlanes - must be 1 */
- PUT_2B(bmpinfoheader, 14, bits_per_pixel); /* biBitCount */
- /* we leave biCompression = 0, for none */
- /* we leave biSizeImage = 0; this is correct for uncompressed data */
- if (cinfo->density_unit == 2) { /* if have density in dots/cm, then */
- PUT_4B(bmpinfoheader, 24, (INT32) (cinfo->X_density*100)); /* XPels/M */
- PUT_4B(bmpinfoheader, 28, (INT32) (cinfo->Y_density*100)); /* XPels/M */
- }
- PUT_2B(bmpinfoheader, 32, cmap_entries); /* biClrUsed */
- /* we leave biClrImportant = 0 */
-
- if (JFWRITE(dest->pub.output_file, bmpfileheader, 14) != (size_t) 14)
- ERREXIT(cinfo, JERR_FILE_WRITE);
- if (JFWRITE(dest->pub.output_file, bmpinfoheader, 40) != (size_t) 40)
- ERREXIT(cinfo, JERR_FILE_WRITE);
-
- if (cmap_entries > 0)
- write_colormap(cinfo, dest, cmap_entries, 4);
-}
-
-
-LOCAL void
-write_os2_header (j_decompress_ptr cinfo, bmp_dest_ptr dest)
-/* Write an OS2-style BMP file header, including colormap if needed */
-{
- char bmpfileheader[14];
- char bmpcoreheader[12];
- INT32 headersize, bfSize;
- int bits_per_pixel, cmap_entries;
-
- /* Compute colormap size and total file size */
- if (cinfo->out_color_space == JCS_RGB) {
- if (cinfo->quantize_colors) {
- /* Colormapped RGB */
- bits_per_pixel = 8;
- cmap_entries = 256;
- } else {
- /* Unquantized, full color RGB */
- bits_per_pixel = 24;
- cmap_entries = 0;
- }
- } else {
- /* Grayscale output. We need to fake a 256-entry colormap. */
- bits_per_pixel = 8;
- cmap_entries = 256;
- }
- /* File size */
- headersize = 14 + 12 + cmap_entries * 3; /* Header and colormap */
- bfSize = headersize + (INT32) dest->row_width * (INT32) cinfo->output_height;
-
- /* Set unused fields of header to 0 */
- MEMZERO(bmpfileheader, SIZEOF(bmpfileheader));
- MEMZERO(bmpcoreheader, SIZEOF(bmpcoreheader));
-
- /* Fill the file header */
- bmpfileheader[0] = 0x42; /* first 2 bytes are ASCII 'B', 'M' */
- bmpfileheader[1] = 0x4D;
- PUT_4B(bmpfileheader, 2, bfSize); /* bfSize */
- /* we leave bfReserved1 & bfReserved2 = 0 */
- PUT_4B(bmpfileheader, 10, headersize); /* bfOffBits */
-
- /* Fill the info header (Microsoft calls this a BITMAPCOREHEADER) */
- PUT_2B(bmpcoreheader, 0, 12); /* bcSize */
- PUT_2B(bmpcoreheader, 4, cinfo->output_width); /* bcWidth */
- PUT_2B(bmpcoreheader, 6, cinfo->output_height); /* bcHeight */
- PUT_2B(bmpcoreheader, 8, 1); /* bcPlanes - must be 1 */
- PUT_2B(bmpcoreheader, 10, bits_per_pixel); /* bcBitCount */
-
- if (JFWRITE(dest->pub.output_file, bmpfileheader, 14) != (size_t) 14)
- ERREXIT(cinfo, JERR_FILE_WRITE);
- if (JFWRITE(dest->pub.output_file, bmpcoreheader, 12) != (size_t) 12)
- ERREXIT(cinfo, JERR_FILE_WRITE);
-
- if (cmap_entries > 0)
- write_colormap(cinfo, dest, cmap_entries, 3);
-}
-
-
-/*
- * Write the colormap.
- * Windows uses BGR0 map entries; OS/2 uses BGR entries.
- */
-
-LOCAL void
-write_colormap (j_decompress_ptr cinfo, bmp_dest_ptr dest,
- int map_colors, int map_entry_size)
-{
- JSAMPARRAY colormap = cinfo->colormap;
- int num_colors = cinfo->actual_number_of_colors;
- FILE * outfile = dest->pub.output_file;
- int i;
-
- if (colormap != NULL) {
- if (cinfo->out_color_components == 3) {
- /* Normal case with RGB colormap */
- for (i = 0; i < num_colors; i++) {
- putc(GETJSAMPLE(colormap[2][i]), outfile);
- putc(GETJSAMPLE(colormap[1][i]), outfile);
- putc(GETJSAMPLE(colormap[0][i]), outfile);
- if (map_entry_size == 4)
- putc(0, outfile);
- }
- } else {
- /* Grayscale colormap (only happens with grayscale quantization) */
- for (i = 0; i < num_colors; i++) {
- putc(GETJSAMPLE(colormap[0][i]), outfile);
- putc(GETJSAMPLE(colormap[0][i]), outfile);
- putc(GETJSAMPLE(colormap[0][i]), outfile);
- if (map_entry_size == 4)
- putc(0, outfile);
- }
- }
- } else {
- /* If no colormap, must be grayscale data. Generate a linear "map". */
- for (i = 0; i < 256; i++) {
- putc(i, outfile);
- putc(i, outfile);
- putc(i, outfile);
- if (map_entry_size == 4)
- putc(0, outfile);
- }
- }
- /* Pad colormap with zeros to ensure specified number of colormap entries */
- if (i > map_colors)
- ERREXIT1(cinfo, JERR_TOO_MANY_COLORS, i);
- for (; i < map_colors; i++) {
- putc(0, outfile);
- putc(0, outfile);
- putc(0, outfile);
- if (map_entry_size == 4)
- putc(0, outfile);
- }
-}
-
-
-METHODDEF void
-finish_output_bmp (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo)
-{
- bmp_dest_ptr dest = (bmp_dest_ptr) dinfo;
- register FILE * outfile = dest->pub.output_file;
- JSAMPARRAY image_ptr;
- register JSAMPROW data_ptr;
- JDIMENSION row;
- register JDIMENSION col;
- cd_progress_ptr progress = (cd_progress_ptr) cinfo->progress;
-
- /* Write the header and colormap */
- if (dest->is_os2)
- write_os2_header(cinfo, dest);
- else
- write_bmp_header(cinfo, dest);
-
- /* Write the file body from our virtual array */
- for (row = cinfo->output_height; row > 0; row--) {
- if (progress != NULL) {
- progress->pub.pass_counter = (long) (cinfo->output_height - row);
- progress->pub.pass_limit = (long) cinfo->output_height;
- (*progress->pub.progress_monitor) ((j_common_ptr) cinfo);
- }
- image_ptr = (*cinfo->mem->access_virt_sarray)
- ((j_common_ptr) cinfo, dest->whole_image, row-1, FALSE);
- data_ptr = image_ptr[0];
- for (col = dest->row_width; col > 0; col--) {
- putc(GETJSAMPLE(*data_ptr), outfile);
- data_ptr++;
- }
- }
- if (progress != NULL)
- progress->completed_extra_passes++;
-
- /* Make sure we wrote the output file OK */
- fflush(outfile);
- if (ferror(outfile))
- ERREXIT(cinfo, JERR_FILE_WRITE);
-}
-
-
-/*
- * The module selection routine for BMP format output.
- */
-
-GLOBAL djpeg_dest_ptr
-jinit_write_bmp (j_decompress_ptr cinfo, boolean is_os2)
-{
- bmp_dest_ptr dest;
- JDIMENSION row_width;
-
- /* Create module interface object, fill in method pointers */
- dest = (bmp_dest_ptr)
- (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- SIZEOF(bmp_dest_struct));
- dest->pub.start_output = start_output_bmp;
- dest->pub.finish_output = finish_output_bmp;
- dest->is_os2 = is_os2;
-
- if (cinfo->out_color_space == JCS_GRAYSCALE) {
- dest->pub.put_pixel_rows = put_gray_rows;
- } else if (cinfo->out_color_space == JCS_RGB) {
- if (cinfo->quantize_colors)
- dest->pub.put_pixel_rows = put_gray_rows;
- else
- dest->pub.put_pixel_rows = put_pixel_rows;
- } else {
- ERREXIT(cinfo, JERR_BMP_COLORSPACE);
- }
-
- /* Calculate output image dimensions so we can allocate space */
- jpeg_calc_output_dimensions(cinfo);
-
- /* Determine width of rows in the BMP file (padded to 4-byte boundary). */
- row_width = cinfo->output_width * cinfo->output_components;
- dest->data_width = row_width;
- while ((row_width & 3) != 0) row_width++;
- dest->row_width = row_width;
- dest->pad_bytes = (int) (row_width - dest->data_width);
-
- /* Allocate space for inversion array, prepare for write pass */
- dest->whole_image = (*cinfo->mem->request_virt_sarray)
- ((j_common_ptr) cinfo, JPOOL_IMAGE,
- row_width, cinfo->output_height, (JDIMENSION) 1);
- dest->cur_output_row = 0;
- if (cinfo->progress != NULL) {
- cd_progress_ptr progress = (cd_progress_ptr) cinfo->progress;
- progress->total_extra_passes++; /* count file input as separate pass */
- }
-
- /* Create decompressor output buffer. */
- dest->pub.buffer = (*cinfo->mem->alloc_sarray)
- ((j_common_ptr) cinfo, JPOOL_IMAGE, row_width, (JDIMENSION) 1);
- dest->pub.buffer_height = 1;
-
- return (djpeg_dest_ptr) dest;
-}
-
-#endif /* BMP_SUPPORTED */
diff --git a/jpeg/wrgif.c b/jpeg/wrgif.c
deleted file mode 100644
index d61e24d076..0000000000
--- a/jpeg/wrgif.c
+++ /dev/null
@@ -1,500 +0,0 @@
-/*
- * wrgif.c
- *
- * Copyright (C) 1991-1994, Thomas G. Lane.
- * This file is part of the Independent JPEG Group's software.
- * For conditions of distribution and use, see the accompanying README file.
- *
- * This file contains routines to write output images in GIF format.
- *
- * These routines may need modification for non-Unix environments or
- * specialized applications. As they stand, they assume output to
- * an ordinary stdio stream.
- */
-
-/*
- * This code is loosely based on ppmtogif from the PBMPLUS distribution
- * of Feb. 1991. That file contains the following copyright notice:
- * Based on GIFENCODE by David Rowley <mgardi@watdscu.waterloo.edu>.
- * Lempel-Ziv compression based on "compress" by Spencer W. Thomas et al.
- * Copyright (C) 1989 by Jef Poskanzer.
- * Permission to use, copy, modify, and distribute this software and its
- * documentation for any purpose and without fee is hereby granted, provided
- * that the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation. This software is provided "as is" without express or
- * implied warranty.
- *
- * We are also required to state that
- * "The Graphics Interchange Format(c) is the Copyright property of
- * CompuServe Incorporated. GIF(sm) is a Service Mark property of
- * CompuServe Incorporated."
- */
-
-#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */
-
-#ifdef GIF_SUPPORTED
-
-
-#define MAX_LZW_BITS 12 /* maximum LZW code size (4096 symbols) */
-
-typedef INT16 code_int; /* must hold -1 .. 2**MAX_LZW_BITS */
-
-#define LZW_TABLE_SIZE ((code_int) 1 << MAX_LZW_BITS)
-
-#define HSIZE 5003 /* hash table size for 80% occupancy */
-
-typedef int hash_int; /* must hold -2*HSIZE..2*HSIZE */
-
-#define MAXCODE(n_bits) (((code_int) 1 << (n_bits)) - 1)
-
-
-/*
- * The LZW hash table consists of two parallel arrays:
- * hash_code[i] code of symbol in slot i, or 0 if empty slot
- * hash_value[i] symbol's value; undefined if empty slot
- * where slot values (i) range from 0 to HSIZE-1. The symbol value is
- * its prefix symbol's code concatenated with its suffix character.
- *
- * Algorithm: use open addressing double hashing (no chaining) on the
- * prefix code / suffix character combination. We do a variant of Knuth's
- * algorithm D (vol. 3, sec. 6.4) along with G. Knott's relatively-prime
- * secondary probe.
- *
- * The hash_value[] table is allocated from FAR heap space since it would
- * use up rather a lot of the near data space in a PC.
- */
-
-typedef INT32 hash_entry; /* must hold (code_int<<8) | byte */
-
-#define HASH_ENTRY(prefix,suffix) ((((hash_entry) (prefix)) << 8) | (suffix))
-
-
-/* Private version of data destination object */
-
-typedef struct {
- struct djpeg_dest_struct pub; /* public fields */
-
- j_decompress_ptr cinfo; /* back link saves passing separate parm */
-
- /* State for packing variable-width codes into a bitstream */
- int n_bits; /* current number of bits/code */
- code_int maxcode; /* maximum code, given n_bits */
- int init_bits; /* initial n_bits ... restored after clear */
- INT32 cur_accum; /* holds bits not yet output */
- int cur_bits; /* # of bits in cur_accum */
-
- /* LZW string construction */
- code_int waiting_code; /* symbol not yet output; may be extendable */
- boolean first_byte; /* if TRUE, waiting_code is not valid */
-
- /* State for LZW code assignment */
- code_int ClearCode; /* clear code (doesn't change) */
- code_int EOFCode; /* EOF code (ditto) */
- code_int free_code; /* first not-yet-used symbol code */
-
- /* LZW hash table */
- code_int *hash_code; /* => hash table of symbol codes */
- hash_entry FAR *hash_value; /* => hash table of symbol values */
-
- /* GIF data packet construction buffer */
- int bytesinpkt; /* # of bytes in current packet */
- char packetbuf[256]; /* workspace for accumulating packet */
-
-} gif_dest_struct;
-
-typedef gif_dest_struct * gif_dest_ptr;
-
-
-/*
- * Routines to package compressed data bytes into GIF data blocks.
- * A data block consists of a count byte (1..255) and that many data bytes.
- */
-
-LOCAL void
-flush_packet (gif_dest_ptr dinfo)
-/* flush any accumulated data */
-{
- if (dinfo->bytesinpkt > 0) { /* never write zero-length packet */
- dinfo->packetbuf[0] = (char) dinfo->bytesinpkt++;
- if (JFWRITE(dinfo->pub.output_file, dinfo->packetbuf, dinfo->bytesinpkt)
- != (size_t) dinfo->bytesinpkt)
- ERREXIT(dinfo->cinfo, JERR_FILE_WRITE);
- dinfo->bytesinpkt = 0;
- }
-}
-
-
-/* Add a character to current packet; flush to disk if necessary */
-#define CHAR_OUT(dinfo,c) \
- { (dinfo)->packetbuf[++(dinfo)->bytesinpkt] = (char) (c); \
- if ((dinfo)->bytesinpkt >= 255) \
- flush_packet(dinfo); \
- }
-
-
-/* Routine to convert variable-width codes into a byte stream */
-
-LOCAL void
-output (gif_dest_ptr dinfo, code_int code)
-/* Emit a code of n_bits bits */
-/* Uses cur_accum and cur_bits to reblock into 8-bit bytes */
-{
- dinfo->cur_accum |= ((INT32) code) << dinfo->cur_bits;
- dinfo->cur_bits += dinfo->n_bits;
-
- while (dinfo->cur_bits >= 8) {
- CHAR_OUT(dinfo, dinfo->cur_accum & 0xFF);
- dinfo->cur_accum >>= 8;
- dinfo->cur_bits -= 8;
- }
-
- /*
- * If the next entry is going to be too big for the code size,
- * then increase it, if possible. We do this here to ensure
- * that it's done in sync with the decoder's codesize increases.
- */
- if (dinfo->free_code > dinfo->maxcode) {
- dinfo->n_bits++;
- if (dinfo->n_bits == MAX_LZW_BITS)
- dinfo->maxcode = LZW_TABLE_SIZE; /* free_code will never exceed this */
- else
- dinfo->maxcode = MAXCODE(dinfo->n_bits);
- }
-}
-
-
-/* The LZW algorithm proper */
-
-
-LOCAL void
-clear_hash (gif_dest_ptr dinfo)
-/* Fill the hash table with empty entries */
-{
- /* It's sufficient to zero hash_code[] */
- MEMZERO(dinfo->hash_code, HSIZE * SIZEOF(code_int));
-}
-
-
-LOCAL void
-clear_block (gif_dest_ptr dinfo)
-/* Reset compressor and issue a Clear code */
-{
- clear_hash(dinfo); /* delete all the symbols */
- dinfo->free_code = dinfo->ClearCode + 2;
- output(dinfo, dinfo->ClearCode); /* inform decoder */
- dinfo->n_bits = dinfo->init_bits; /* reset code size */
- dinfo->maxcode = MAXCODE(dinfo->n_bits);
-}
-
-
-LOCAL void
-compress_init (gif_dest_ptr dinfo, int i_bits)
-/* Initialize LZW compressor */
-{
- /* init all the state variables */
- dinfo->n_bits = dinfo->init_bits = i_bits;
- dinfo->maxcode = MAXCODE(dinfo->n_bits);
- dinfo->ClearCode = ((code_int) 1 << (i_bits - 1));
- dinfo->EOFCode = dinfo->ClearCode + 1;
- dinfo->free_code = dinfo->ClearCode + 2;
- dinfo->first_byte = TRUE; /* no waiting symbol yet */
- /* init output buffering vars */
- dinfo->bytesinpkt = 0;
- dinfo->cur_accum = 0;
- dinfo->cur_bits = 0;
- /* clear hash table */
- clear_hash(dinfo);
- /* GIF specifies an initial Clear code */
- output(dinfo, dinfo->ClearCode);
-}
-
-
-LOCAL void
-compress_byte (gif_dest_ptr dinfo, int c)
-/* Accept and compress one 8-bit byte */
-{
- register hash_int i;
- register hash_int disp;
- register hash_entry probe_value;
-
- if (dinfo->first_byte) { /* need to initialize waiting_code */
- dinfo->waiting_code = c;
- dinfo->first_byte = FALSE;
- return;
- }
-
- /* Probe hash table to see if a symbol exists for
- * waiting_code followed by c.
- * If so, replace waiting_code by that symbol and return.
- */
- i = ((hash_int) c << (MAX_LZW_BITS-8)) + dinfo->waiting_code;
- /* i is less than twice 2**MAX_LZW_BITS, therefore less than twice HSIZE */
- if (i >= HSIZE)
- i -= HSIZE;
-
- probe_value = HASH_ENTRY(dinfo->waiting_code, c);
-
- if (dinfo->hash_code[i] != 0) { /* is first probed slot empty? */
- if (dinfo->hash_value[i] == probe_value) {
- dinfo->waiting_code = dinfo->hash_code[i];
- return;
- }
- if (i == 0) /* secondary hash (after G. Knott) */
- disp = 1;
- else
- disp = HSIZE - i;
- for (;;) {
- i -= disp;
- if (i < 0)
- i += HSIZE;
- if (dinfo->hash_code[i] == 0)
- break; /* hit empty slot */
- if (dinfo->hash_value[i] == probe_value) {
- dinfo->waiting_code = dinfo->hash_code[i];
- return;
- }
- }
- }
-
- /* here when hashtable[i] is an empty slot; desired symbol not in table */
- output(dinfo, dinfo->waiting_code);
- if (dinfo->free_code < LZW_TABLE_SIZE) {
- dinfo->hash_code[i] = dinfo->free_code++; /* add symbol to hashtable */
- dinfo->hash_value[i] = probe_value;
- } else
- clear_block(dinfo);
- dinfo->waiting_code = c;
-}
-
-
-LOCAL void
-compress_term (gif_dest_ptr dinfo)
-/* Clean up at end */
-{
- /* Flush out the buffered code */
- if (! dinfo->first_byte)
- output(dinfo, dinfo->waiting_code);
- /* Send an EOF code */
- output(dinfo, dinfo->EOFCode);
- /* Flush the bit-packing buffer */
- if (dinfo->cur_bits > 0) {
- CHAR_OUT(dinfo, dinfo->cur_accum & 0xFF);
- }
- /* Flush the packet buffer */
- flush_packet(dinfo);
-}
-
-
-/* GIF header construction */
-
-
-LOCAL void
-put_word (gif_dest_ptr dinfo, unsigned int w)
-/* Emit a 16-bit word, LSB first */
-{
- putc(w & 0xFF, dinfo->pub.output_file);
- putc((w >> 8) & 0xFF, dinfo->pub.output_file);
-}
-
-
-LOCAL void
-put_3bytes (gif_dest_ptr dinfo, int val)
-/* Emit 3 copies of same byte value --- handy subr for colormap construction */
-{
- putc(val, dinfo->pub.output_file);
- putc(val, dinfo->pub.output_file);
- putc(val, dinfo->pub.output_file);
-}
-
-
-LOCAL void
-emit_header (gif_dest_ptr dinfo, int num_colors, JSAMPARRAY colormap)
-/* Output the GIF file header, including color map */
-/* If colormap==NULL, synthesize a gray-scale colormap */
-{
- int BitsPerPixel, ColorMapSize, InitCodeSize, FlagByte;
- int cshift = dinfo->cinfo->data_precision - 8;
- int i;
-
- if (num_colors > 256)
- ERREXIT1(dinfo->cinfo, JERR_TOO_MANY_COLORS, num_colors);
- /* Compute bits/pixel and related values */
- BitsPerPixel = 1;
- while (num_colors > (1 << BitsPerPixel))
- BitsPerPixel++;
- ColorMapSize = 1 << BitsPerPixel;
- if (BitsPerPixel <= 1)
- InitCodeSize = 2;
- else
- InitCodeSize = BitsPerPixel;
- /*
- * Write the GIF header.
- * Note that we generate a plain GIF87 header for maximum compatibility.
- */
- putc('G', dinfo->pub.output_file);
- putc('I', dinfo->pub.output_file);
- putc('F', dinfo->pub.output_file);
- putc('8', dinfo->pub.output_file);
- putc('7', dinfo->pub.output_file);
- putc('a', dinfo->pub.output_file);
- /* Write the Logical Screen Descriptor */
- put_word(dinfo, (unsigned int) dinfo->cinfo->output_width);
- put_word(dinfo, (unsigned int) dinfo->cinfo->output_height);
- FlagByte = 0x80; /* Yes, there is a global color table */
- FlagByte |= (BitsPerPixel-1) << 4; /* color resolution */
- FlagByte |= (BitsPerPixel-1); /* size of global color table */
- putc(FlagByte, dinfo->pub.output_file);
- putc(0, dinfo->pub.output_file); /* Background color index */
- putc(0, dinfo->pub.output_file); /* Reserved (aspect ratio in GIF89) */
- /* Write the Global Color Map */
- /* If the color map is more than 8 bits precision, */
- /* we reduce it to 8 bits by shifting */
- for (i=0; i < ColorMapSize; i++) {
- if (i < num_colors) {
- if (colormap != NULL) {
- if (dinfo->cinfo->out_color_space == JCS_RGB) {
- /* Normal case: RGB color map */
- putc(GETJSAMPLE(colormap[0][i]) >> cshift, dinfo->pub.output_file);
- putc(GETJSAMPLE(colormap[1][i]) >> cshift, dinfo->pub.output_file);
- putc(GETJSAMPLE(colormap[2][i]) >> cshift, dinfo->pub.output_file);
- } else {
- /* Grayscale "color map": possible if quantizing grayscale image */
- put_3bytes(dinfo, GETJSAMPLE(colormap[0][i]) >> cshift);
- }
- } else {
- /* Create a gray-scale map of num_colors values, range 0..255 */
- put_3bytes(dinfo, (i * 255 + (num_colors-1)/2) / (num_colors-1));
- }
- } else {
- /* fill out the map to a power of 2 */
- put_3bytes(dinfo, 0);
- }
- }
- /* Write image separator and Image Descriptor */
- putc(',', dinfo->pub.output_file); /* separator */
- put_word(dinfo, 0); /* left/top offset */
- put_word(dinfo, 0);
- put_word(dinfo, (unsigned int) dinfo->cinfo->output_width); /* image size */
- put_word(dinfo, (unsigned int) dinfo->cinfo->output_height);
- /* flag byte: not interlaced, no local color map */
- putc(0x00, dinfo->pub.output_file);
- /* Write Initial Code Size byte */
- putc(InitCodeSize, dinfo->pub.output_file);
-
- /* Initialize for LZW compression of image data */
- compress_init(dinfo, InitCodeSize+1);
-}
-
-
-/*
- * Startup: write the file header.
- */
-
-METHODDEF void
-start_output_gif (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo)
-{
- gif_dest_ptr dest = (gif_dest_ptr) dinfo;
-
- if (cinfo->quantize_colors)
- emit_header(dest, cinfo->actual_number_of_colors, cinfo->colormap);
- else
- emit_header(dest, 256, (JSAMPARRAY) NULL);
-}
-
-
-/*
- * Write some pixel data.
- * In this module rows_supplied will always be 1.
- */
-
-METHODDEF void
-put_pixel_rows (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo,
- JDIMENSION rows_supplied)
-{
- gif_dest_ptr dest = (gif_dest_ptr) dinfo;
- register JSAMPROW ptr;
- register JDIMENSION col;
-
- ptr = dest->pub.buffer[0];
- for (col = cinfo->output_width; col > 0; col--) {
- compress_byte(dest, GETJSAMPLE(*ptr++));
- }
-}
-
-
-/*
- * Finish up at the end of the file.
- */
-
-METHODDEF void
-finish_output_gif (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo)
-{
- gif_dest_ptr dest = (gif_dest_ptr) dinfo;
-
- /* Flush LZW mechanism */
- compress_term(dest);
- /* Write a zero-length data block to end the series */
- putc(0, dest->pub.output_file);
- /* Write the GIF terminator mark */
- putc(';', dest->pub.output_file);
- /* Make sure we wrote the output file OK */
- fflush(dest->pub.output_file);
- if (ferror(dest->pub.output_file))
- ERREXIT(cinfo, JERR_FILE_WRITE);
-}
-
-
-/*
- * The module selection routine for GIF format output.
- */
-
-GLOBAL djpeg_dest_ptr
-jinit_write_gif (j_decompress_ptr cinfo)
-{
- gif_dest_ptr dest;
-
- /* Create module interface object, fill in method pointers */
- dest = (gif_dest_ptr)
- (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- SIZEOF(gif_dest_struct));
- dest->cinfo = cinfo; /* make back link for subroutines */
- dest->pub.start_output = start_output_gif;
- dest->pub.put_pixel_rows = put_pixel_rows;
- dest->pub.finish_output = finish_output_gif;
-
- if (cinfo->out_color_space != JCS_GRAYSCALE &&
- cinfo->out_color_space != JCS_RGB)
- ERREXIT(cinfo, JERR_GIF_COLORSPACE);
-
- /* Force quantization if color or if > 8 bits input */
- if (cinfo->out_color_space != JCS_GRAYSCALE || cinfo->data_precision > 8) {
- /* Force quantization to at most 256 colors */
- cinfo->quantize_colors = TRUE;
- if (cinfo->desired_number_of_colors > 256)
- cinfo->desired_number_of_colors = 256;
- }
-
- /* Calculate output image dimensions so we can allocate space */
- jpeg_calc_output_dimensions(cinfo);
-
- if (cinfo->output_components != 1) /* safety check: just one component? */
- ERREXIT(cinfo, JERR_GIF_BUG);
-
- /* Create decompressor output buffer. */
- dest->pub.buffer = (*cinfo->mem->alloc_sarray)
- ((j_common_ptr) cinfo, JPOOL_IMAGE, cinfo->output_width, (JDIMENSION) 1);
- dest->pub.buffer_height = 1;
-
- /* Allocate space for hash table */
- dest->hash_code = (code_int *)
- (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- HSIZE * SIZEOF(code_int));
- dest->hash_value = (hash_entry FAR *)
- (*cinfo->mem->alloc_large) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- HSIZE * SIZEOF(hash_entry));
-
- return (djpeg_dest_ptr) dest;
-}
-
-#endif /* GIF_SUPPORTED */
diff --git a/jpeg/wrjpgcom.1 b/jpeg/wrjpgcom.1
deleted file mode 100644
index 71ec4ded3d..0000000000
--- a/jpeg/wrjpgcom.1
+++ /dev/null
@@ -1,102 +0,0 @@
-.TH WRJPGCOM 1 "30 August 1994"
-.SH NAME
-wrjpgcom \- insert text comments into a JPEG file
-.SH SYNOPSIS
-.B wrjpgcom
-[
-.B \-replace
-]
-[
-.BI \-comment " text"
-]
-[
-.BI \-cfile " name"
-]
-[
-.I filename
-]
-.LP
-.SH DESCRIPTION
-.LP
-.B wrjpgcom
-reads the named JPEG/JFIF file, or the standard input if no file is named,
-and generates a new JPEG/JFIF file on standard output. A comment block is
-added to the file.
-.PP
-The JPEG standard allows "comment" (COM) blocks to occur within a JPEG file.
-Although the standard doesn't actually define what COM blocks are for, they
-are widely used to hold user-supplied text strings. This lets you add
-annotations, titles, index terms, etc to your JPEG files, and later retrieve
-them as text. COM blocks do not interfere with the image stored in the JPEG
-file. The maximum size of a COM block is 64K, but you can have as many of
-them as you like in one JPEG file.
-.PP
-.B wrjpgcom
-adds a COM block, containing text you provide, to a JPEG file.
-Ordinarily, the COM block is added after any existing COM blocks; but you
-can delete the old COM blocks if you wish.
-.SH OPTIONS
-Switch names may be abbreviated, and are not case sensitive.
-.TP
-.B \-replace
-Delete any existing COM blocks from the file.
-.TP
-.BI \-comment " text"
-Supply text for new COM block on command line.
-.TP
-.BI \-cfile " name"
-Read text for new COM block from named file.
-.PP
-If you have only one line of comment text to add, you can provide it on the
-command line with
-.BR \-comment .
-The comment text must be surrounded with quotes so that it is treated as a
-single argument. Longer comments can be read from a text file.
-.PP
-If you give neither
-.B \-comment
-nor
-.BR \-cfile ,
-then
-.B wrjpgcom
-will read the comment text from standard input. (In this case an input image
-file name MUST be supplied, so that the source JPEG file comes from somewhere
-else.) You can enter multiple lines, up to 64KB worth. Type an end-of-file
-indicator (usually control-D) to terminate the comment text entry.
-.PP
-.B wrjpgcom
-will not add a COM block if the provided comment string is empty. Therefore
-\fB\-replace \-comment ""\fR can be used to delete all COM blocks from a file.
-.SH EXAMPLES
-.LP
-Add a short comment to in.jpg, producing out.jpg:
-.IP
-.B wrjpgcom \-c
-\fI"View of my back yard" in.jpg
-.B >
-.I out.jpg
-.PP
-Attach a long comment previously stored in comment.txt:
-.IP
-.B wrjpgcom
-.I in.jpg
-.B <
-.I comment.txt
-.B >
-.I out.jpg
-.PP
-or equivalently
-.IP
-.B wrjpgcom
-.B -cfile
-.I comment.txt
-.B <
-.I in.jpg
-.B >
-.I out.jpg
-.SH SEE ALSO
-.BR cjpeg (1),
-.BR djpeg (1),
-.BR rdjpgcom (1)
-.SH AUTHOR
-Independent JPEG Group
diff --git a/jpeg/wrjpgcom.c b/jpeg/wrjpgcom.c
deleted file mode 100644
index 0b25d69b6c..0000000000
--- a/jpeg/wrjpgcom.c
+++ /dev/null
@@ -1,574 +0,0 @@
-/*
- * wrjpgcom.c
- *
- * Copyright (C) 1994, Thomas G. Lane.
- * This file is part of the Independent JPEG Group's software.
- * For conditions of distribution and use, see the accompanying README file.
- *
- * This file contains a very simple stand-alone application that inserts
- * user-supplied text as a COM (comment) marker in a JFIF file.
- * This may be useful as an example of the minimum logic needed to parse
- * JPEG markers.
- */
-
-#define JPEG_CJPEG_DJPEG /* to get the command-line config symbols */
-#include "jinclude.h" /* get auto-config symbols, <stdio.h> */
-
-#ifndef HAVE_STDLIB_H /* <stdlib.h> should declare malloc() */
-extern void * malloc ();
-#endif
-#include <ctype.h> /* to declare isupper(), tolower() */
-#ifdef USE_SETMODE
-#include <fcntl.h> /* to declare setmode()'s parameter macros */
-/* If you have setmode() but not <io.h>, just delete this line: */
-#include <io.h> /* to declare setmode() */
-#endif
-
-#ifdef USE_CCOMMAND /* command-line reader for Macintosh */
-#ifdef __MWERKS__
-#include <SIOUX.h> /* Metrowerks declares it here */
-#endif
-#ifdef THINK_C
-#include <console.h> /* Think declares it here */
-#endif
-#endif
-
-#ifdef DONT_USE_B_MODE /* define mode parameters for fopen() */
-#define READ_BINARY "r"
-#define WRITE_BINARY "w"
-#else
-#define READ_BINARY "rb"
-#define WRITE_BINARY "wb"
-#endif
-
-#ifndef EXIT_FAILURE /* define exit() codes if not provided */
-#define EXIT_FAILURE 1
-#endif
-#ifndef EXIT_SUCCESS
-#ifdef VMS
-#define EXIT_SUCCESS 1 /* VMS is very nonstandard */
-#else
-#define EXIT_SUCCESS 0
-#endif
-#endif
-
-/* Reduce this value if your malloc() can't allocate blocks up to 64K.
- * On DOS, compiling in large model is usually a better solution.
- */
-
-#ifndef MAX_COM_LENGTH
-#define MAX_COM_LENGTH 65000 /* must be < 65534 in any case */
-#endif
-
-
-/*
- * These macros are used to read the input file and write the output file.
- * To reuse this code in another application, you might need to change these.
- */
-
-static FILE * infile; /* input JPEG file */
-
-/* Return next input byte, or EOF if no more */
-#define NEXTBYTE() getc(infile)
-
-static FILE * outfile; /* output JPEG file */
-
-/* Emit an output byte */
-#define PUTBYTE(x) putc((x), outfile)
-
-
-/* Error exit handler */
-#define ERREXIT(msg) (fprintf(stderr, "%s\n", msg), exit(EXIT_FAILURE))
-
-
-/* Read one byte, testing for EOF */
-static int
-read_1_byte (void)
-{
- int c;
-
- c = NEXTBYTE();
- if (c == EOF)
- ERREXIT("Premature EOF in JPEG file");
- return c;
-}
-
-/* Read 2 bytes, convert to unsigned int */
-/* All 2-byte quantities in JPEG markers are MSB first */
-static unsigned int
-read_2_bytes (void)
-{
- int c1, c2;
-
- c1 = NEXTBYTE();
- if (c1 == EOF)
- ERREXIT("Premature EOF in JPEG file");
- c2 = NEXTBYTE();
- if (c2 == EOF)
- ERREXIT("Premature EOF in JPEG file");
- return (((unsigned int) c1) << 8) + ((unsigned int) c2);
-}
-
-
-/* Routines to write data to output file */
-
-static void
-write_1_byte (int c)
-{
- PUTBYTE(c);
-}
-
-static void
-write_2_bytes (unsigned int val)
-{
- PUTBYTE((val >> 8) & 0xFF);
- PUTBYTE(val & 0xFF);
-}
-
-static void
-write_marker (int marker)
-{
- PUTBYTE(0xFF);
- PUTBYTE(marker);
-}
-
-static void
-copy_rest_of_file (void)
-{
- int c;
-
- while ((c = NEXTBYTE()) != EOF)
- PUTBYTE(c);
-}
-
-
-/*
- * JPEG markers consist of one or more 0xFF bytes, followed by a marker
- * code byte (which is not an FF). Here are the marker codes of interest
- * in this program. (See jdmarker.c for a more complete list.)
- */
-
-#define M_SOF0 0xC0 /* Start Of Frame N */
-#define M_SOF1 0xC1 /* N indicates which compression process */
-#define M_SOF2 0xC2 /* Only SOF0 and SOF1 are now in common use */
-#define M_SOF3 0xC3
-#define M_SOF5 0xC5
-#define M_SOF6 0xC6
-#define M_SOF7 0xC7
-#define M_SOF9 0xC9
-#define M_SOF10 0xCA
-#define M_SOF11 0xCB
-#define M_SOF13 0xCD
-#define M_SOF14 0xCE
-#define M_SOF15 0xCF
-#define M_SOI 0xD8 /* Start Of Image (beginning of datastream) */
-#define M_EOI 0xD9 /* End Of Image (end of datastream) */
-#define M_SOS 0xDA /* Start Of Scan (begins compressed data) */
-#define M_COM 0xFE /* COMment */
-
-
-/*
- * Find the next JPEG marker and return its marker code.
- * We expect at least one FF byte, possibly more if the compressor used FFs
- * to pad the file. (Padding FFs will NOT be replicated in the output file.)
- * There could also be non-FF garbage between markers. The treatment of such
- * garbage is unspecified; we choose to skip over it but emit a warning msg.
- * NB: this routine must not be used after seeing SOS marker, since it will
- * not deal correctly with FF/00 sequences in the compressed image data...
- */
-
-static int
-next_marker (void)
-{
- int c;
- int discarded_bytes = 0;
-
- /* Find 0xFF byte; count and skip any non-FFs. */
- c = read_1_byte();
- while (c != 0xFF) {
- discarded_bytes++;
- c = read_1_byte();
- }
- /* Get marker code byte, swallowing any duplicate FF bytes. Extra FFs
- * are legal as pad bytes, so don't count them in discarded_bytes.
- */
- do {
- c = read_1_byte();
- } while (c == 0xFF);
-
- if (discarded_bytes != 0) {
- fprintf(stderr, "Warning: garbage data found in JPEG file\n");
- }
-
- return c;
-}
-
-
-/*
- * Read the initial marker, which should be SOI.
- * For a JFIF file, the first two bytes of the file should be literally
- * 0xFF M_SOI. To be more general, we could use next_marker, but if the
- * input file weren't actually JPEG at all, next_marker might read the whole
- * file and then return a misleading error message...
- */
-
-static int
-first_marker (void)
-{
- int c1, c2;
-
- c1 = NEXTBYTE();
- c2 = NEXTBYTE();
- if (c1 != 0xFF || c2 != M_SOI)
- ERREXIT("Not a JPEG file");
- return c2;
-}
-
-
-/*
- * Most types of marker are followed by a variable-length parameter segment.
- * This routine skips over the parameters for any marker we don't otherwise
- * want to process.
- * Note that we MUST skip the parameter segment explicitly in order not to
- * be fooled by 0xFF bytes that might appear within the parameter segment;
- * such bytes do NOT introduce new markers.
- */
-
-static void
-copy_variable (void)
-/* Copy an unknown or uninteresting variable-length marker */
-{
- unsigned int length;
-
- /* Get the marker parameter length count */
- length = read_2_bytes();
- write_2_bytes(length);
- /* Length includes itself, so must be at least 2 */
- if (length < 2)
- ERREXIT("Erroneous JPEG marker length");
- length -= 2;
- /* Skip over the remaining bytes */
- while (length > 0) {
- write_1_byte(read_1_byte());
- length--;
- }
-}
-
-static void
-skip_variable (void)
-/* Skip over an unknown or uninteresting variable-length marker */
-{
- unsigned int length;
-
- /* Get the marker parameter length count */
- length = read_2_bytes();
- /* Length includes itself, so must be at least 2 */
- if (length < 2)
- ERREXIT("Erroneous JPEG marker length");
- length -= 2;
- /* Skip over the remaining bytes */
- while (length > 0) {
- (void) read_1_byte();
- length--;
- }
-}
-
-
-/*
- * Parse the marker stream until SOFn or EOI is seen;
- * copy data to output, but discard COM markers unless keep_COM is true.
- */
-
-static int
-scan_JPEG_header (int keep_COM)
-{
- int marker;
-
- /* Expect SOI at start of file */
- if (first_marker() != M_SOI)
- ERREXIT("Expected SOI marker first");
- write_marker(M_SOI);
-
- /* Scan miscellaneous markers until we reach SOFn. */
- for (;;) {
- marker = next_marker();
- switch (marker) {
- case M_SOF0: /* Baseline */
- case M_SOF1: /* Extended sequential, Huffman */
- case M_SOF2: /* Progressive, Huffman */
- case M_SOF3: /* Lossless, Huffman */
- case M_SOF5: /* Differential sequential, Huffman */
- case M_SOF6: /* Differential progressive, Huffman */
- case M_SOF7: /* Differential lossless, Huffman */
- case M_SOF9: /* Extended sequential, arithmetic */
- case M_SOF10: /* Progressive, arithmetic */
- case M_SOF11: /* Lossless, arithmetic */
- case M_SOF13: /* Differential sequential, arithmetic */
- case M_SOF14: /* Differential progressive, arithmetic */
- case M_SOF15: /* Differential lossless, arithmetic */
- return marker;
-
- case M_SOS: /* should not see compressed data before SOF */
- ERREXIT("SOS without prior SOFn");
- break;
-
- case M_EOI: /* in case it's a tables-only JPEG stream */
- return marker;
-
- case M_COM: /* Existing COM: conditionally discard */
- if (keep_COM) {
- write_marker(marker);
- copy_variable();
- } else {
- skip_variable();
- }
- break;
-
- default: /* Anything else just gets copied */
- write_marker(marker);
- copy_variable(); /* we assume it has a parameter count... */
- break;
- }
- } /* end loop */
-}
-
-
-/* Command line parsing code */
-
-static const char * progname; /* program name for error messages */
-
-
-static void
-usage (void)
-/* complain about bad command line */
-{
- fprintf(stderr, "wrjpgcom inserts a textual comment in a JPEG file.\n");
- fprintf(stderr, "You can add to or replace any existing comment(s).\n");
-
- fprintf(stderr, "Usage: %s [switches] ", progname);
-#ifdef TWO_FILE_COMMANDLINE
- fprintf(stderr, "inputfile outputfile\n");
-#else
- fprintf(stderr, "[inputfile]\n");
-#endif
-
- fprintf(stderr, "Switches (names may be abbreviated):\n");
- fprintf(stderr, " -replace Delete any existing comments\n");
- fprintf(stderr, " -comment \"text\" Insert comment with given text\n");
- fprintf(stderr, " -cfile name Read comment from named file\n");
- fprintf(stderr, "Notice that you must put quotes around the comment text\n");
- fprintf(stderr, "when you use -comment.\n");
- fprintf(stderr, "If you do not give either -comment or -cfile on the command line,\n");
- fprintf(stderr, "then the comment text is read from standard input.\n");
- fprintf(stderr, "It can be multiple lines, up to %u characters total.\n",
- (unsigned int) MAX_COM_LENGTH);
-#ifndef TWO_FILE_COMMANDLINE
- fprintf(stderr, "You must specify an input JPEG file name when supplying\n");
- fprintf(stderr, "comment text from standard input.\n");
-#endif
-
- exit(EXIT_FAILURE);
-}
-
-
-static int
-keymatch (char * arg, const char * keyword, int minchars)
-/* Case-insensitive matching of (possibly abbreviated) keyword switches. */
-/* keyword is the constant keyword (must be lower case already), */
-/* minchars is length of minimum legal abbreviation. */
-{
- register int ca, ck;
- register int nmatched = 0;
-
- while ((ca = *arg++) != '\0') {
- if ((ck = *keyword++) == '\0')
- return 0; /* arg longer than keyword, no good */
- if (isupper(ca)) /* force arg to lcase (assume ck is already) */
- ca = tolower(ca);
- if (ca != ck)
- return 0; /* no good */
- nmatched++; /* count matched characters */
- }
- /* reached end of argument; fail if it's too short for unique abbrev */
- if (nmatched < minchars)
- return 0;
- return 1; /* A-OK */
-}
-
-
-/*
- * The main program.
- */
-
-int
-main (int argc, char **argv)
-{
- int argn;
- char * arg;
- int keep_COM = 1;
- char * comment_arg = NULL;
- FILE * comment_file = NULL;
- unsigned int comment_length = 0;
- int marker;
-
- /* On Mac, fetch a command line. */
-#ifdef USE_CCOMMAND
- argc = ccommand(&argv);
-#endif
-
- progname = argv[0];
- if (progname == NULL || progname[0] == 0)
- progname = "wrjpgcom"; /* in case C library doesn't provide it */
-
- /* Parse switches, if any */
- for (argn = 1; argn < argc; argn++) {
- arg = argv[argn];
- if (arg[0] != '-')
- break; /* not switch, must be file name */
- arg++; /* advance over '-' */
- if (keymatch(arg, "replace", 1)) {
- keep_COM = 0;
- } else if (keymatch(arg, "cfile", 2)) {
- if (++argn >= argc) usage();
- if ((comment_file = fopen(argv[argn], "r")) == NULL) {
- fprintf(stderr, "%s: can't open %s\n", progname, argv[argn]);
- exit(EXIT_FAILURE);
- }
- } else if (keymatch(arg, "comment", 1)) {
- if (++argn >= argc) usage();
- comment_arg = argv[argn];
- /* If the comment text starts with '"', then we are probably running
- * under MS-DOG and must parse out the quoted string ourselves. Sigh.
- */
- if (comment_arg[0] == '"') {
- comment_arg = (char *) malloc((size_t) MAX_COM_LENGTH);
- if (comment_arg == NULL)
- ERREXIT("Insufficient memory");
- strcpy(comment_arg, argv[argn]+1);
- for (;;) {
- comment_length = strlen(comment_arg);
- if (comment_length > 0 && comment_arg[comment_length-1] == '"') {
- comment_arg[comment_length-1] = '\0'; /* zap terminating quote */
- break;
- }
- if (++argn >= argc)
- ERREXIT("Missing ending quote mark");
- strcat(comment_arg, " ");
- strcat(comment_arg, argv[argn]);
- }
- }
- comment_length = strlen(comment_arg);
- } else
- usage();
- }
-
- /* Cannot use both -comment and -cfile. */
- if (comment_arg != NULL && comment_file != NULL)
- usage();
- /* If there is neither -comment nor -cfile, we will read the comment text
- * from stdin; in this case there MUST be an input JPEG file name.
- */
- if (comment_arg == NULL && comment_file == NULL && argn >= argc)
- usage();
-
- /* Open the input file. */
- if (argn < argc) {
- if ((infile = fopen(argv[argn], READ_BINARY)) == NULL) {
- fprintf(stderr, "%s: can't open %s\n", progname, argv[argn]);
- exit(EXIT_FAILURE);
- }
- } else {
- /* default input file is stdin */
-#ifdef USE_SETMODE /* need to hack file mode? */
- setmode(fileno(stdin), O_BINARY);
-#endif
-#ifdef USE_FDOPEN /* need to re-open in binary mode? */
- if ((infile = fdopen(fileno(stdin), READ_BINARY)) == NULL) {
- fprintf(stderr, "%s: can't open stdin\n", progname);
- exit(EXIT_FAILURE);
- }
-#else
- infile = stdin;
-#endif
- }
-
- /* Open the output file. */
-#ifdef TWO_FILE_COMMANDLINE
- /* Must have explicit output file name */
- if (argn != argc-2) {
- fprintf(stderr, "%s: must name one input and one output file\n",
- progname);
- usage();
- }
- if ((outfile = fopen(argv[argn+1], WRITE_BINARY)) == NULL) {
- fprintf(stderr, "%s: can't open %s\n", progname, argv[argn+1]);
- exit(EXIT_FAILURE);
- }
-#else
- /* Unix style: expect zero or one file name */
- if (argn < argc-1) {
- fprintf(stderr, "%s: only one input file\n", progname);
- usage();
- }
- /* default output file is stdout */
-#ifdef USE_SETMODE /* need to hack file mode? */
- setmode(fileno(stdout), O_BINARY);
-#endif
-#ifdef USE_FDOPEN /* need to re-open in binary mode? */
- if ((outfile = fdopen(fileno(stdout), WRITE_BINARY)) == NULL) {
- fprintf(stderr, "%s: can't open stdout\n", progname);
- exit(EXIT_FAILURE);
- }
-#else
- outfile = stdout;
-#endif
-#endif /* TWO_FILE_COMMANDLINE */
-
- /* Collect comment text from comment_file or stdin, if necessary */
- if (comment_arg == NULL) {
- FILE * src_file;
- int c;
-
- comment_arg = (char *) malloc((size_t) MAX_COM_LENGTH);
- if (comment_arg == NULL)
- ERREXIT("Insufficient memory");
- comment_length = 0;
- src_file = (comment_file != NULL ? comment_file : stdin);
- while ((c = getc(src_file)) != EOF) {
- if (comment_length >= (unsigned int) MAX_COM_LENGTH) {
- fprintf(stderr, "Comment text may not exceed %u bytes\n",
- (unsigned int) MAX_COM_LENGTH);
- exit(EXIT_FAILURE);
- }
- comment_arg[comment_length++] = (char) c;
- }
- if (comment_file != NULL)
- fclose(comment_file);
- }
-
- /* Copy JPEG headers until SOFn marker;
- * we will insert the new comment marker just before SOFn.
- * This (a) causes the new comment to appear after, rather than before,
- * existing comments; and (b) ensures that comments come after any JFIF
- * or JFXX markers, as required by the JFIF specification.
- */
- marker = scan_JPEG_header(keep_COM);
- /* Insert the new COM marker, but only if nonempty text has been supplied */
- if (comment_length > 0) {
- write_marker(M_COM);
- write_2_bytes(comment_length + 2);
- while (comment_length > 0) {
- write_1_byte(*comment_arg++);
- comment_length--;
- }
- }
- /* Duplicate the remainder of the source file.
- * Note that any COM markers occuring after SOF will not be touched.
- */
- write_marker(marker);
- copy_rest_of_file();
-
- /* All done. */
- exit(EXIT_SUCCESS);
- return 0; /* suppress no-return-value warnings */
-}
diff --git a/jpeg/wrppm.c b/jpeg/wrppm.c
deleted file mode 100644
index 4f7a2cb43a..0000000000
--- a/jpeg/wrppm.c
+++ /dev/null
@@ -1,248 +0,0 @@
-/*
- * wrppm.c
- *
- * Copyright (C) 1991-1994, Thomas G. Lane.
- * This file is part of the Independent JPEG Group's software.
- * For conditions of distribution and use, see the accompanying README file.
- *
- * This file contains routines to write output images in PPM/PGM format.
- * The PBMPLUS library is NOT required to compile this software
- * (but it is highly useful as a set of PPM image manipulation programs).
- *
- * These routines may need modification for non-Unix environments or
- * specialized applications. As they stand, they assume output to
- * an ordinary stdio stream.
- */
-
-#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */
-
-#ifdef PPM_SUPPORTED
-
-
-/*
- * Currently, this code only knows how to write raw PPM or PGM format,
- * which can be no more than 8 bits/sample. As an expedient for testing
- * 12-bit JPEG mode, we support writing 12-bit data to an 8-bit file by
- * downscaling the values. Of course this implies loss of precision.
- * (When the core library supports data precision reduction, a cleaner
- * implementation will be to ask for that instead.)
- */
-
-#if BITS_IN_JSAMPLE == 8
-#define DOWNSCALE(x) (x)
-#else
-#define DOWNSCALE(x) ((x) >> (BITS_IN_JSAMPLE-8))
-#endif
-
-
-/*
- * When JSAMPLE is the same size as char, we can just fwrite() the
- * decompressed data to the PPM or PGM file. On PCs, in order to make this
- * work the output buffer must be allocated in near data space, because we are
- * assuming small-data memory model wherein fwrite() can't reach far memory.
- * If you need to process very wide images on a PC, you might have to compile
- * in large-memory model, or else replace fwrite() with a putc() loop ---
- * which will be much slower.
- */
-
-
-/* Private version of data destination object */
-
-typedef struct {
- struct djpeg_dest_struct pub; /* public fields */
-
- /* Usually these two pointers point to the same place: */
- char *iobuffer; /* fwrite's I/O buffer */
- JSAMPROW pixrow; /* decompressor output buffer */
-
- JDIMENSION buffer_width; /* width of one row */
-} ppm_dest_struct;
-
-typedef ppm_dest_struct * ppm_dest_ptr;
-
-
-/*
- * Write some pixel data.
- * In this module rows_supplied will always be 1.
- *
- * put_pixel_rows handles the "normal" 8-bit case where the decompressor
- * output buffer is physically the same as the fwrite buffer.
- */
-
-METHODDEF void
-put_pixel_rows (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo,
- JDIMENSION rows_supplied)
-{
- ppm_dest_ptr dest = (ppm_dest_ptr) dinfo;
-
- (void) JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width);
-}
-
-
-/*
- * This code is used when we have to copy the data because JSAMPLE is not
- * the same size as char. Typically this only happens in 12-bit mode.
- */
-
-METHODDEF void
-copy_pixel_rows (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo,
- JDIMENSION rows_supplied)
-{
- ppm_dest_ptr dest = (ppm_dest_ptr) dinfo;
- register char * bufferptr;
- register JSAMPROW ptr;
- register JDIMENSION col;
-
- ptr = dest->pub.buffer[0];
- bufferptr = dest->iobuffer;
- for (col = dest->buffer_width; col > 0; col--) {
- *bufferptr++ = (char) DOWNSCALE(GETJSAMPLE(*ptr++));
- }
- (void) JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width);
-}
-
-
-/*
- * Write some pixel data when color quantization is in effect.
- * We have to demap the color index values to straight data.
- */
-
-METHODDEF void
-put_demapped_rgb (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo,
- JDIMENSION rows_supplied)
-{
- ppm_dest_ptr dest = (ppm_dest_ptr) dinfo;
- register char * bufferptr;
- register int pixval;
- register JSAMPROW ptr;
- register JSAMPROW color_map0 = cinfo->colormap[0];
- register JSAMPROW color_map1 = cinfo->colormap[1];
- register JSAMPROW color_map2 = cinfo->colormap[2];
- register JDIMENSION col;
-
- ptr = dest->pub.buffer[0];
- bufferptr = dest->iobuffer;
- for (col = cinfo->output_width; col > 0; col--) {
- pixval = GETJSAMPLE(*ptr++);
- *bufferptr++ = (char) DOWNSCALE(GETJSAMPLE(color_map0[pixval]));
- *bufferptr++ = (char) DOWNSCALE(GETJSAMPLE(color_map1[pixval]));
- *bufferptr++ = (char) DOWNSCALE(GETJSAMPLE(color_map2[pixval]));
- }
- (void) JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width);
-}
-
-
-METHODDEF void
-put_demapped_gray (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo,
- JDIMENSION rows_supplied)
-{
- ppm_dest_ptr dest = (ppm_dest_ptr) dinfo;
- register char * bufferptr;
- register JSAMPROW ptr;
- register JSAMPROW color_map = cinfo->colormap[0];
- register JDIMENSION col;
-
- ptr = dest->pub.buffer[0];
- bufferptr = dest->iobuffer;
- for (col = cinfo->output_width; col > 0; col--) {
- *bufferptr++ = (char) DOWNSCALE(GETJSAMPLE(color_map[GETJSAMPLE(*ptr++)]));
- }
- (void) JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width);
-}
-
-
-/*
- * Startup: write the file header.
- */
-
-METHODDEF void
-start_output_ppm (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo)
-{
- ppm_dest_ptr dest = (ppm_dest_ptr) dinfo;
-
- /* Emit file header */
- switch (cinfo->out_color_space) {
- case JCS_GRAYSCALE:
- /* emit header for raw PGM format */
- fprintf(dest->pub.output_file, "P5\n%ld %ld\n%d\n",
- (long) cinfo->output_width, (long) cinfo->output_height, 255);
- break;
- case JCS_RGB:
- /* emit header for raw PPM format */
- fprintf(dest->pub.output_file, "P6\n%ld %ld\n%d\n",
- (long) cinfo->output_width, (long) cinfo->output_height, 255);
- break;
- default:
- ERREXIT(cinfo, JERR_PPM_COLORSPACE);
- }
-}
-
-
-/*
- * Finish up at the end of the file.
- */
-
-METHODDEF void
-finish_output_ppm (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo)
-{
- /* Make sure we wrote the output file OK */
- fflush(dinfo->output_file);
- if (ferror(dinfo->output_file))
- ERREXIT(cinfo, JERR_FILE_WRITE);
-}
-
-
-/*
- * The module selection routine for PPM format output.
- */
-
-GLOBAL djpeg_dest_ptr
-jinit_write_ppm (j_decompress_ptr cinfo)
-{
- ppm_dest_ptr dest;
-
- /* Create module interface object, fill in method pointers */
- dest = (ppm_dest_ptr)
- (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- SIZEOF(ppm_dest_struct));
- dest->pub.start_output = start_output_ppm;
- dest->pub.finish_output = finish_output_ppm;
-
- /* Calculate output image dimensions so we can allocate space */
- jpeg_calc_output_dimensions(cinfo);
-
- /* Create physical I/O buffer. Note we make this near on a PC. */
- dest->buffer_width = cinfo->output_width * cinfo->out_color_components;
- dest->iobuffer = (char *)
- (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- (size_t) (dest->buffer_width * SIZEOF(char)));
-
- if (cinfo->quantize_colors || SIZEOF(JSAMPLE) != SIZEOF(char)) {
- /* When quantizing, we need an output buffer for colormap indexes
- * that's separate from the physical I/O buffer. We also need a
- * separate buffer if JSAMPLE and char are not the same size.
- */
- dest->pub.buffer = (*cinfo->mem->alloc_sarray)
- ((j_common_ptr) cinfo, JPOOL_IMAGE,
- cinfo->output_width * cinfo->output_components, (JDIMENSION) 1);
- dest->pub.buffer_height = 1;
- if (! cinfo->quantize_colors)
- dest->pub.put_pixel_rows = copy_pixel_rows;
- else if (cinfo->out_color_space == JCS_GRAYSCALE)
- dest->pub.put_pixel_rows = put_demapped_gray;
- else
- dest->pub.put_pixel_rows = put_demapped_rgb;
- } else {
- /* We will fwrite() directly from decompressor output buffer. */
- /* Synthesize a JSAMPARRAY pointer structure */
- /* Cast here implies near->far pointer conversion on PCs */
- dest->pixrow = (JSAMPROW) dest->iobuffer;
- dest->pub.buffer = & dest->pixrow;
- dest->pub.buffer_height = 1;
- dest->pub.put_pixel_rows = put_pixel_rows;
- }
-
- return (djpeg_dest_ptr) dest;
-}
-
-#endif /* PPM_SUPPORTED */
diff --git a/jpeg/wrraw.c b/jpeg/wrraw.c
deleted file mode 100644
index d54e3d5072..0000000000
--- a/jpeg/wrraw.c
+++ /dev/null
@@ -1,189 +0,0 @@
-/*
- * wrraw.c
- *
- * Copyright (C) 1991-1994, Thomas G. Lane.
- * This file is part of the Independent JPEG Group's software.
- * For conditions of distribution and use, see the accompanying README file.
- *
- * This file contains routines to write output the raw YCC subsampled data
- * read from the jpeg file.
- *
- * These routines may need modification for non-Unix environments or
- * specialized applications. As they stand, they assume output to
- * an ordinary stdio stream.
- *
- * Based on code contributed by James Arthur Boucher
- */
-
-#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */
-
-
-#ifdef RAW_SUPPORTED
-
-
-/*
- * Haven't yet got around to making this work with text-format output,
- * hence cannot handle pixels wider than 8 bits.
- */
-
-#if BITS_IN_JSAMPLE != 8
- Sorry, this code only copes with 8-bit JSAMPLEs. /* deliberate syntax err */
-#endif
-
-/*
- *
- * The output buffer needs to be writable by fwrite(). On PCs, we must
- * allocate the buffer in near data space, because we are assuming small-data
- * memory model, wherein fwrite() can't reach far memory. If you need to
- * process very wide images on a PC, you might have to compile in large-memory
- * model, or else replace fwrite() with a putc() loop --- which will be much
- * slower.
- */
-
-
-/* Private version of data destination object */
-
-typedef struct {
- struct djpeg_dest_struct pub; /* public fields */
-
- JSAMPLE *iobuffer; /* non-FAR pointer to I/O buffer */
- JSAMPROW pixrow; /* FAR pointer to same */
- JDIMENSION buffer_width; /* width of one row */
-} raw_dest_struct;
-
-typedef raw_dest_struct * raw_dest_ptr;
-
-
-/*
- * Write some pixel data. In this module rows_supplied can be variable
- */
-
-METHODDEF void
-put_pixel_rows (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo,
- JDIMENSION rows_supplied)
-{
- raw_dest_ptr dest = (raw_dest_ptr) dinfo;
- int ci,cp;
- JDIMENSION ncols,nrows;
- jpeg_component_info *compptr;
-
- TRACEMS(cinfo,2,JERR_RAW_PPR);
- for(cp=0,compptr = cinfo->comp_info; cp <cinfo->num_components;
- cp++,compptr++){
- ncols = (JDIMENSION)((cinfo->image_width*compptr->h_samp_factor)/
- cinfo->max_h_samp_factor);
- nrows = (JDIMENSION)((rows_supplied*compptr->v_samp_factor)/
- cinfo->max_v_samp_factor);
-
- for(ci =0;ci<nrows;ci++){
- TRACEMS1(cinfo,3,JTRC_RAW_PUTROW,ci);
-(void) JFWRITE(dest->pub.output_file, dest->pub.image_buffer[cp][ci],
- ncols);
- }
-}
- TRACEMS(cinfo,2,JTRC_RAW_PUTEND);
-
-}
-
-
-
-/*
- * Startup: write null header.
- */
-
-METHODDEF void
-start_output (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo)
-{ /* do nothing*/
-}
-
-
-/*
- * Finish up at the end of the file.
- */
-
-METHODDEF void
-finish_output (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo)
-{
- /* Make sure we wrote the output file OK */
- fflush(dinfo->output_file);
- if (ferror(dinfo->output_file))
- ERREXIT(cinfo, JERR_FILE_WRITE);
-}
-
-
-/*
- * The module selection routine for raw format output.
- */
-
-GLOBAL djpeg_dest_ptr
-jinit_write_raw (j_decompress_ptr cinfo)
-{
- raw_dest_ptr dest;
- int cp;
- JDIMENSION ncols,nrows;
- jpeg_component_info *compptr;
- int temp;
- int h_samp[3],v_samp[3];
-
- TRACEMS(cinfo,1,JTRC_RAW_INIT);
-
- cinfo->out_color_space = JCS_YCbCr; /* We want YCbCr or YUV output */
- cinfo->want_raw_output = TRUE; /* boolean used in main and api */
-
- /* This module does not work unless JSAMPLE is a char. */
- /* Unfortunately, we can't test it at compile time. */
- if (SIZEOF(JSAMPLE) != SIZEOF(char))
- ERREXIT(cinfo, JERR_RAW_SAMPLESIZE);
-
- /* Create module interface object, fill in method pointers */
- dest = (raw_dest_ptr)
- (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- SIZEOF(raw_dest_struct));
-
- dest->pub.start_output = start_output;
- dest->pub.finish_output = finish_output;
-
- /* Calculate output image dimensions so we can allocate space */
- jpeg_calc_output_dimensions(cinfo);
-
- /* Create I/O buffer. Note we make this near on a PC. */
- dest->buffer_width = (cinfo->output_width);
-
-/* calculate max_h(v)_samp_factors since not done yet */
-for(cp=0,compptr = cinfo->comp_info;cp<cinfo->num_components;
- cp++,compptr++){
- h_samp[cp] = compptr->h_samp_factor;
- v_samp[cp] = compptr->v_samp_factor;
- }
- /* assumes three components */
- temp = (h_samp[0]<h_samp[1]) ? h_samp[1] : h_samp[0];
- cinfo->max_h_samp_factor = (temp<h_samp[2]) ? h_samp[2]:temp;
- temp = (v_samp[0]<v_samp[1]) ? v_samp[1]:v_samp[0];
- cinfo->max_v_samp_factor = (temp<v_samp[2]) ? v_samp[2]:temp;
-
-/* chose to make buffer up to 8 rows high, 2 and 4 also valid */
- dest->pub.buffer_height = 8;
-
-
-/* allocate sample arrays for each component */
- for(cp=0,compptr = cinfo->comp_info;cp<cinfo->num_components;
- cp++,compptr++){
-
- ncols = (JDIMENSION)((cinfo->image_width*compptr->h_samp_factor)/
- cinfo->max_h_samp_factor);
-
- nrows = (JDIMENSION)((dest->pub.buffer_height*compptr->v_samp_factor)/
- cinfo->max_v_samp_factor);
-
- dest->pub.image_buffer[cp] = (*cinfo->mem->alloc_sarray)((j_common_ptr)
- cinfo,JPOOL_IMAGE,ncols,nrows);
- }
-
-
- dest->pub.put_pixel_rows = put_pixel_rows;
- TRACEMS(cinfo,1,JTRC_RAW_IEND);
-
- return (djpeg_dest_ptr) dest;
-}
-
-#endif /* RAW_SUPPORTED */
diff --git a/jpeg/wrrle.c b/jpeg/wrrle.c
deleted file mode 100644
index c0dae01a11..0000000000
--- a/jpeg/wrrle.c
+++ /dev/null
@@ -1,302 +0,0 @@
-/*
- * wrrle.c
- *
- * Copyright (C) 1991-1994, Thomas G. Lane.
- * This file is part of the Independent JPEG Group's software.
- * For conditions of distribution and use, see the accompanying README file.
- *
- * This file contains routines to write output images in RLE format.
- * The Utah Raster Toolkit library is required (version 3.1 or later).
- *
- * These routines may need modification for non-Unix environments or
- * specialized applications. As they stand, they assume output to
- * an ordinary stdio stream.
- *
- * Based on code contributed by Mike Lijewski,
- * with updates from Robert Hutchinson.
- */
-
-#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */
-
-#ifdef RLE_SUPPORTED
-
-/* rle.h is provided by the Utah Raster Toolkit. */
-
-#include <rle.h>
-
-/*
- * We assume that JSAMPLE has the same representation as rle_pixel,
- * to wit, "unsigned char". Hence we can't cope with 12- or 16-bit samples.
- */
-
-#if BITS_IN_JSAMPLE != 8
- Sorry, this code only copes with 8-bit JSAMPLEs. /* deliberate syntax err */
-#endif
-
-
-/*
- * Since RLE stores scanlines bottom-to-top, we have to invert the image
- * from JPEG's top-to-bottom order. To do this, we save the outgoing data
- * in a virtual array during put_pixel_row calls, then actually emit the
- * RLE file during finish_output.
- */
-
-
-/*
- * For now, if we emit an RLE color map then it is always 256 entries long,
- * though not all of the entries need be used.
- */
-
-#define CMAPBITS 8
-#define CMAPLENGTH (1<<(CMAPBITS))
-
-typedef struct {
- struct djpeg_dest_struct pub; /* public fields */
-
- jvirt_sarray_ptr image; /* virtual array to store the output image */
- rle_map *colormap; /* RLE-style color map, or NULL if none */
- rle_pixel **rle_row; /* To pass rows to rle_putrow() */
-
-} rle_dest_struct;
-
-typedef rle_dest_struct * rle_dest_ptr;
-
-/* Forward declarations */
-METHODDEF void rle_put_pixel_rows
- JPP((j_decompress_ptr cinfo, djpeg_dest_ptr dinfo,
- JDIMENSION rows_supplied));
-
-
-/*
- * Write the file header.
- *
- * In this module it's easier to wait till finish_output to write anything.
- */
-
-METHODDEF void
-start_output_rle (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo)
-{
- rle_dest_ptr dest = (rle_dest_ptr) dinfo;
- size_t cmapsize;
- int i, ci;
-#ifdef PROGRESS_REPORT
- cd_progress_ptr progress = (cd_progress_ptr) cinfo->progress;
-#endif
-
- /*
- * Make sure the image can be stored in RLE format.
- *
- * - RLE stores image dimensions as *signed* 16 bit integers. JPEG
- * uses unsigned, so we have to check the width.
- *
- * - Colorspace is expected to be grayscale or RGB.
- *
- * - The number of channels (components) is expected to be 1 (grayscale/
- * pseudocolor) or 3 (truecolor/directcolor).
- * (could be 2 or 4 if using an alpha channel, but we aren't)
- */
-
- if (cinfo->output_width > 32767 || cinfo->output_height > 32767)
- ERREXIT2(cinfo, JERR_RLE_DIMENSIONS, cinfo->output_width,
- cinfo->output_height);
-
- if (cinfo->out_color_space != JCS_GRAYSCALE &&
- cinfo->out_color_space != JCS_RGB)
- ERREXIT(cinfo, JERR_RLE_COLORSPACE);
-
- if (cinfo->output_components != 1 && cinfo->output_components != 3)
- ERREXIT1(cinfo, JERR_RLE_TOOMANYCHANNELS, cinfo->num_components);
-
- /* Convert colormap, if any, to RLE format. */
-
- dest->colormap = NULL;
-
- if (cinfo->quantize_colors) {
- /* Allocate storage for RLE-style cmap, zero any extra entries */
- cmapsize = cinfo->out_color_components * CMAPLENGTH * SIZEOF(rle_map);
- dest->colormap = (rle_map *) (*cinfo->mem->alloc_small)
- ((j_common_ptr) cinfo, JPOOL_IMAGE, cmapsize);
- MEMZERO(dest->colormap, cmapsize);
-
- /* Save away data in RLE format --- note 8-bit left shift! */
- /* Shifting would need adjustment for JSAMPLEs wider than 8 bits. */
- for (ci = 0; ci < cinfo->out_color_components; ci++) {
- for (i = 0; i < cinfo->actual_number_of_colors; i++) {
- dest->colormap[ci * CMAPLENGTH + i] =
- GETJSAMPLE(cinfo->colormap[ci][i]) << 8;
- }
- }
- }
-
- /* Set the output buffer to the first row */
- dest->pub.buffer = (*cinfo->mem->access_virt_sarray)
- ((j_common_ptr) cinfo, dest->image, (JDIMENSION) 0, TRUE);
- dest->pub.buffer_height = 1;
-
- dest->pub.put_pixel_rows = rle_put_pixel_rows;
-
-#ifdef PROGRESS_REPORT
- if (progress != NULL) {
- progress->total_extra_passes++; /* count file writing as separate pass */
- }
-#endif
-}
-
-
-/*
- * Write some pixel data.
- *
- * This routine just saves the data away in a virtual array.
- */
-
-METHODDEF void
-rle_put_pixel_rows (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo,
- JDIMENSION rows_supplied)
-{
- rle_dest_ptr dest = (rle_dest_ptr) dinfo;
-
- if (cinfo->output_scanline < cinfo->output_height) {
- dest->pub.buffer = (*cinfo->mem->access_virt_sarray)
- ((j_common_ptr) cinfo, dest->image, cinfo->output_scanline, TRUE);
- }
-}
-
-/*
- * Finish up at the end of the file.
- *
- * Here is where we really output the RLE file.
- */
-
-METHODDEF void
-finish_output_rle (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo)
-{
- rle_dest_ptr dest = (rle_dest_ptr) dinfo;
- rle_hdr header; /* Output file information */
- rle_pixel **rle_row, *red, *green, *blue;
- JSAMPROW output_row;
- char cmapcomment[80];
- int row, col;
- int ci;
-#ifdef PROGRESS_REPORT
- cd_progress_ptr progress = (cd_progress_ptr) cinfo->progress;
-#endif
-
- /* Initialize the header info */
- header = *rle_hdr_init(NULL);
- header.rle_file = dest->pub.output_file;
- header.xmin = 0;
- header.xmax = cinfo->output_width - 1;
- header.ymin = 0;
- header.ymax = cinfo->output_height - 1;
- header.alpha = 0;
- header.ncolors = cinfo->output_components;
- for (ci = 0; ci < cinfo->output_components; ci++) {
- RLE_SET_BIT(header, ci);
- }
- if (cinfo->quantize_colors) {
- header.ncmap = cinfo->out_color_components;
- header.cmaplen = CMAPBITS;
- header.cmap = dest->colormap;
- /* Add a comment to the output image with the true colormap length. */
- sprintf(cmapcomment, "color_map_length=%d", cinfo->actual_number_of_colors);
- rle_putcom(cmapcomment, &header);
- }
-
- /* Emit the RLE header and color map (if any) */
- rle_put_setup(&header);
-
- /* Now output the RLE data from our virtual array.
- * We assume here that (a) rle_pixel is represented the same as JSAMPLE,
- * and (b) we are not on a machine where FAR pointers differ from regular.
- */
-
-#ifdef PROGRESS_REPORT
- if (progress != NULL) {
- progress->pub.pass_limit = cinfo->output_height;
- progress->pub.pass_counter = 0;
- (*progress->pub.progress_monitor) ((j_common_ptr) cinfo);
- }
-#endif
-
- if (cinfo->output_components == 1) {
- for (row = cinfo->output_height-1; row >= 0; row--) {
- rle_row = (rle_pixel **) (*cinfo->mem->access_virt_sarray)
- ((j_common_ptr) cinfo, dest->image, (JDIMENSION) row, FALSE);
- rle_putrow(rle_row, (int) cinfo->output_width, &header);
-#ifdef PROGRESS_REPORT
- if (progress != NULL) {
- progress->pub.pass_counter++;
- (*progress->pub.progress_monitor) ((j_common_ptr) cinfo);
- }
-#endif
- }
- } else {
- for (row = cinfo->output_height-1; row >= 0; row--) {
- rle_row = (rle_pixel **) dest->rle_row;
- output_row = * (*cinfo->mem->access_virt_sarray)
- ((j_common_ptr) cinfo, dest->image, (JDIMENSION) row, FALSE);
- red = rle_row[0];
- green = rle_row[1];
- blue = rle_row[2];
- for (col = cinfo->output_width; col > 0; col--) {
- *red++ = GETJSAMPLE(*output_row++);
- *green++ = GETJSAMPLE(*output_row++);
- *blue++ = GETJSAMPLE(*output_row++);
- }
- rle_putrow(rle_row, (int) cinfo->output_width, &header);
-#ifdef PROGRESS_REPORT
- if (progress != NULL) {
- progress->pub.pass_counter++;
- (*progress->pub.progress_monitor) ((j_common_ptr) cinfo);
- }
-#endif
- }
- }
-
-#ifdef PROGRESS_REPORT
- if (progress != NULL)
- progress->completed_extra_passes++;
-#endif
-
- /* Emit file trailer */
- rle_puteof(&header);
- fflush(dest->pub.output_file);
- if (ferror(dest->pub.output_file))
- ERREXIT(cinfo, JERR_FILE_WRITE);
-}
-
-
-/*
- * The module selection routine for RLE format output.
- */
-
-GLOBAL djpeg_dest_ptr
-jinit_write_rle (j_decompress_ptr cinfo)
-{
- rle_dest_ptr dest;
-
- /* Create module interface object, fill in method pointers */
- dest = (rle_dest_ptr)
- (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- SIZEOF(rle_dest_struct));
- dest->pub.start_output = start_output_rle;
- dest->pub.finish_output = finish_output_rle;
-
- /* Calculate output image dimensions so we can allocate space */
- jpeg_calc_output_dimensions(cinfo);
-
- /* Allocate a work array for output to the RLE library. */
- dest->rle_row = (*cinfo->mem->alloc_sarray)
- ((j_common_ptr) cinfo, JPOOL_IMAGE,
- cinfo->output_width, (JDIMENSION) cinfo->output_components);
-
- /* Allocate a virtual array to hold the image. */
- dest->image = (*cinfo->mem->request_virt_sarray)
- ((j_common_ptr) cinfo, JPOOL_IMAGE,
- (JDIMENSION) (cinfo->output_width * cinfo->output_components),
- cinfo->output_height, (JDIMENSION) 1);
-
- return (djpeg_dest_ptr) dest;
-}
-
-#endif /* RLE_SUPPORTED */
diff --git a/jpeg/wrtarga.c b/jpeg/wrtarga.c
deleted file mode 100644
index 36987127b8..0000000000
--- a/jpeg/wrtarga.c
+++ /dev/null
@@ -1,253 +0,0 @@
-/*
- * wrtarga.c
- *
- * Copyright (C) 1991-1994, Thomas G. Lane.
- * This file is part of the Independent JPEG Group's software.
- * For conditions of distribution and use, see the accompanying README file.
- *
- * This file contains routines to write output images in Targa format.
- *
- * These routines may need modification for non-Unix environments or
- * specialized applications. As they stand, they assume output to
- * an ordinary stdio stream.
- *
- * Based on code contributed by Lee Daniel Crocker.
- */
-
-#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */
-
-#ifdef TARGA_SUPPORTED
-
-
-/*
- * To support 12-bit JPEG data, we'd have to scale output down to 8 bits.
- * This is not yet implemented.
- */
-
-#if BITS_IN_JSAMPLE != 8
- Sorry, this code only copes with 8-bit JSAMPLEs. /* deliberate syntax err */
-#endif
-
-/*
- * The output buffer needs to be writable by fwrite(). On PCs, we must
- * allocate the buffer in near data space, because we are assuming small-data
- * memory model, wherein fwrite() can't reach far memory. If you need to
- * process very wide images on a PC, you might have to compile in large-memory
- * model, or else replace fwrite() with a putc() loop --- which will be much
- * slower.
- */
-
-
-/* Private version of data destination object */
-
-typedef struct {
- struct djpeg_dest_struct pub; /* public fields */
-
- char *iobuffer; /* physical I/O buffer */
- JDIMENSION buffer_width; /* width of one row */
-} tga_dest_struct;
-
-typedef tga_dest_struct * tga_dest_ptr;
-
-
-LOCAL void
-write_header (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo, int num_colors)
-/* Create and write a Targa header */
-{
- char targaheader[18];
-
- /* Set unused fields of header to 0 */
- MEMZERO(targaheader, SIZEOF(targaheader));
-
- if (num_colors > 0) {
- targaheader[1] = 1; /* color map type 1 */
- targaheader[5] = (char) (num_colors & 0xFF);
- targaheader[6] = (char) (num_colors >> 8);
- targaheader[7] = 24; /* 24 bits per cmap entry */
- }
-
- targaheader[12] = (char) (cinfo->output_width & 0xFF);
- targaheader[13] = (char) (cinfo->output_width >> 8);
- targaheader[14] = (char) (cinfo->output_height & 0xFF);
- targaheader[15] = (char) (cinfo->output_height >> 8);
- targaheader[17] = 0x20; /* Top-down, non-interlaced */
-
- if (cinfo->out_color_space == JCS_GRAYSCALE) {
- targaheader[2] = 3; /* image type = uncompressed gray-scale */
- targaheader[16] = 8; /* bits per pixel */
- } else { /* must be RGB */
- if (num_colors > 0) {
- targaheader[2] = 1; /* image type = colormapped RGB */
- targaheader[16] = 8;
- } else {
- targaheader[2] = 2; /* image type = uncompressed RGB */
- targaheader[16] = 24;
- }
- }
-
- if (JFWRITE(dinfo->output_file, targaheader, 18) != (size_t) 18)
- ERREXIT(cinfo, JERR_FILE_WRITE);
-}
-
-
-/*
- * Write some pixel data.
- * In this module rows_supplied will always be 1.
- */
-
-METHODDEF void
-put_pixel_rows (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo,
- JDIMENSION rows_supplied)
-/* used for unquantized full-color output */
-{
- tga_dest_ptr dest = (tga_dest_ptr) dinfo;
- register JSAMPROW inptr;
- register char * outptr;
- register JDIMENSION col;
-
- inptr = dest->pub.buffer[0];
- outptr = dest->iobuffer;
- for (col = cinfo->output_width; col > 0; col--) {
- outptr[0] = (char) GETJSAMPLE(inptr[2]); /* RGB to BGR order */
- outptr[1] = (char) GETJSAMPLE(inptr[1]);
- outptr[2] = (char) GETJSAMPLE(inptr[0]);
- inptr += 3, outptr += 3;
- }
- (void) JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width);
-}
-
-METHODDEF void
-put_gray_rows (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo,
- JDIMENSION rows_supplied)
-/* used for grayscale OR quantized color output */
-{
- tga_dest_ptr dest = (tga_dest_ptr) dinfo;
- register JSAMPROW inptr;
- register char * outptr;
- register JDIMENSION col;
-
- inptr = dest->pub.buffer[0];
- outptr = dest->iobuffer;
- for (col = cinfo->output_width; col > 0; col--) {
- *outptr++ = (char) GETJSAMPLE(*inptr++);
- }
- (void) JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width);
-}
-
-
-/*
- * Write some demapped pixel data when color quantization is in effect.
- * For Targa, this is only applied to grayscale data.
- */
-
-METHODDEF void
-put_demapped_gray (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo,
- JDIMENSION rows_supplied)
-{
- tga_dest_ptr dest = (tga_dest_ptr) dinfo;
- register JSAMPROW inptr;
- register char * outptr;
- register JSAMPROW color_map0 = cinfo->colormap[0];
- register JDIMENSION col;
-
- inptr = dest->pub.buffer[0];
- outptr = dest->iobuffer;
- for (col = cinfo->output_width; col > 0; col--) {
- *outptr++ = (char) GETJSAMPLE(color_map0[GETJSAMPLE(*inptr++)]);
- }
- (void) JFWRITE(dest->pub.output_file, dest->iobuffer, dest->buffer_width);
-}
-
-
-/*
- * Startup: write the file header.
- */
-
-METHODDEF void
-start_output_tga (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo)
-{
- tga_dest_ptr dest = (tga_dest_ptr) dinfo;
- int num_colors, i;
- FILE *outfile;
-
- if (cinfo->out_color_space == JCS_GRAYSCALE) {
- /* Targa doesn't have a mapped grayscale format, so we will */
- /* demap quantized gray output. Never emit a colormap. */
- write_header(cinfo, dinfo, 0);
- if (cinfo->quantize_colors)
- dest->pub.put_pixel_rows = put_demapped_gray;
- else
- dest->pub.put_pixel_rows = put_gray_rows;
- } else if (cinfo->out_color_space == JCS_RGB) {
- if (cinfo->quantize_colors) {
- /* We only support 8-bit colormap indexes, so only 256 colors */
- num_colors = cinfo->actual_number_of_colors;
- if (num_colors > 256)
- ERREXIT1(cinfo, JERR_TOO_MANY_COLORS, num_colors);
- write_header(cinfo, dinfo, num_colors);
- /* Write the colormap. Note Targa uses BGR byte order */
- outfile = dest->pub.output_file;
- for (i = 0; i < num_colors; i++) {
- putc(GETJSAMPLE(cinfo->colormap[2][i]), outfile);
- putc(GETJSAMPLE(cinfo->colormap[1][i]), outfile);
- putc(GETJSAMPLE(cinfo->colormap[0][i]), outfile);
- }
- dest->pub.put_pixel_rows = put_gray_rows;
- } else {
- write_header(cinfo, dinfo, 0);
- dest->pub.put_pixel_rows = put_pixel_rows;
- }
- } else {
- ERREXIT(cinfo, JERR_TGA_COLORSPACE);
- }
-}
-
-
-/*
- * Finish up at the end of the file.
- */
-
-METHODDEF void
-finish_output_tga (j_decompress_ptr cinfo, djpeg_dest_ptr dinfo)
-{
- /* Make sure we wrote the output file OK */
- fflush(dinfo->output_file);
- if (ferror(dinfo->output_file))
- ERREXIT(cinfo, JERR_FILE_WRITE);
-}
-
-
-/*
- * The module selection routine for Targa format output.
- */
-
-GLOBAL djpeg_dest_ptr
-jinit_write_targa (j_decompress_ptr cinfo)
-{
- tga_dest_ptr dest;
-
- /* Create module interface object, fill in method pointers */
- dest = (tga_dest_ptr)
- (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- SIZEOF(tga_dest_struct));
- dest->pub.start_output = start_output_tga;
- dest->pub.finish_output = finish_output_tga;
-
- /* Calculate output image dimensions so we can allocate space */
- jpeg_calc_output_dimensions(cinfo);
-
- /* Create I/O buffer. Note we make this near on a PC. */
- dest->buffer_width = cinfo->output_width * cinfo->output_components;
- dest->iobuffer = (char *)
- (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE,
- (size_t) (dest->buffer_width * SIZEOF(char)));
-
- /* Create decompressor output buffer. */
- dest->pub.buffer = (*cinfo->mem->alloc_sarray)
- ((j_common_ptr) cinfo, JPOOL_IMAGE, dest->buffer_width, (JDIMENSION) 1);
- dest->pub.buffer_height = 1;
-
- return (djpeg_dest_ptr) dest;
-}
-
-#endif /* TARGA_SUPPORTED */
--
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