*** empty log message ***

Graphics/gl2jpeg.cpp

+
+#include "Gmsh.h"
+#include "GmshUI.h"
+#include "Context.h"
+
+#include "jpeglib.h"
+#include "jerror.h"
+
+extern Context_T CTX ;
+
+void my_output_message (j_common_ptr cinfo){
+  char buffer[JMSG_LENGTH_MAX];
+
+  /* Create the message */
+  (*cinfo->err->format_message) (cinfo, buffer);
+
+  Msg(DEBUG, "%s", buffer);
+}
+
+void create_jpeg(FILE *outfile, int width, int height){
+  int i;
+  unsigned char *pixels;
+  struct jpeg_compress_struct cinfo;
+  struct jpeg_error_mgr jerr;
+  JSAMPROW row_pointer[1];      /* pointer to JSAMPLE row[s] */
+  int row_stride;               /* physical row width in image buffer */
+            
+  cinfo.err = jpeg_std_error(&jerr);
+  cinfo.err->output_message = my_output_message;
+
+  jpeg_create_compress(&cinfo);
+  jpeg_stdio_dest(&cinfo, outfile);
+  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);                            
+  jpeg_set_quality(&cinfo, CTX.print.jpeg_quality, TRUE /* limit to baseline-JPEG values */);
+  jpeg_start_compress(&cinfo, TRUE);
+
+  pixels=(unsigned char *)Malloc(height*width*3);
+  glReadPixels(0,0,width,height,GL_RGB,GL_UNSIGNED_BYTE,pixels);
+
+  row_stride = width * 3;
+  i=cinfo.image_height-1;
+  while (i >= 0) {
+    /* jpeg_write_scanlines expects an array of pointers to scanlines.
+     * Here the array is only one element long, but you could pass
+     * more than one scanline at a time if that's more convenient.
+     */
+    row_pointer[0] = &pixels[i * row_stride];
+    (void) jpeg_write_scanlines(&cinfo, row_pointer, 1);
+    i--;
+  }
+  jpeg_finish_compress(&cinfo);
+  jpeg_destroy_compress(&cinfo);                                 
+
+  Free(pixels);
+}

Graphics/gl2jpeg.h

+#ifndef _GL2JPEG_H_
+#define _GL2JPEG_H_
+
+void create_jpeg(FILE *outfile, int width, int height);
+
+#endif

Makefile

-# $Id: Makefile,v 1.26 2000-12-18 14:54:46 geuzaine Exp $
+# $Id: Makefile,v 1.27 2000-12-20 10:40:28 geuzaine Exp $
 # ----------------------------------------------------------------------
 #  Makefile for Gmsh  
 # ----------------------------------------------------------------------
@@ -25,8 +25,9 @@
        MOTIF_LIB = -L/usr/local/lib -L/usr/X11R6/LessTif/Motif1.2/lib -lXm 
            X_LIB = -L/usr/X11R6/lib -lXt -lX11 -lXext
       THREAD_LIB = -L/usr/lib -lpthread
+        JPEG_LIB = jpeg/libjpeg.a
 
-        GMSH_DIR = Adapt Common DataStr Geo Graphics Mesh Parser Unix
+        GMSH_DIR = Adapt Common DataStr Geo Graphics Mesh Parser Unix jpeg
 GMSH_DISTRIB_DIR = $(GMSH_DIR) utils
     GMSH_BOX_DIR = Adapt Box Common DataStr Geo Mesh Parser
     GMSH_BIN_DIR = bin
@@ -36,7 +37,7 @@ GMSH_DISTRIB_DIR = $(GMSH_DIR) utils
   GMSH_TUTOR_DIR = tutorial
 GMSH_ARCHIVE_DIR = archives
         GMSH_LIB = -L$(GMSH_LIB_DIR) -lUnix -lGraphics -lParser -lMesh -lGeo\
-                                     -lAdapt -lCommon -lDataStr
+                                     -lAdapt -lCommon -lDataStr $(JPEG_LIB)
     GMSH_BOX_LIB = -L$(GMSH_LIB_DIR) -lBox -lParser -lMesh -lGeo\
                                      -lAdapt -lCommon -lDataStr
     GMSH_ARCHIVE = $(GMSH_ARCHIVE_DIR)/gmsh-`date "+%Y.%m.%d"`

jpeg/Makefile~

-# Generated automatically from Makefile.auto by configure.
-# 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 = .
-VPATH = .
-
-# 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 = $(prefix)/man/man1
-binprefix =
-manprefix =
-manext = 1
-
-# The name of your C compiler:
-CC= gcc
-
-# You may need to adjust these cc options:
-CFLAGS= -O -I$(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= 
-
-# 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
-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= /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)
-	$(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

tutorial/t8.geo

@@ -87,11 +87,12 @@ EndFor
 
 // Here is the list of available scripting commands:
 //  
-//  Merge string;    (to merge a file)
-//  Draw;            (to draw the scene)
-//  Mesh int;        (to perform the mesh generation; 'int' = 0, 1, 2 or 3)
-//  Save string;     (to save the mesh)
-//  Print string;    (to print the graphic window)
-//  Sleep expr;      (to sleep during expr seconds)
-//  Delete View[int] (to free the view int)
-//  Delete Meshes    (to free all meshes)
+//  Merge string;     (to merge a file)
+//  Draw;             (to draw the scene)
+//  Mesh int;         (to perform the mesh generation; 'int' = 0, 1, 2 or 3)
+//  Save string;      (to save the mesh)
+//  Print string;     (to print the graphic window)
+//  Sleep expr;       (to sleep during expr seconds)
+//  Delete View[int]; (to free the view int)
+//  Delete Meshes;    (to free all meshes)
+//  System string;    (to execute a system call)