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gmm_precond.h
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Jean-François Remacle authoredJean-François Remacle authored
gl2ps.h 5.82 KiB
/*
* GL2PS, an OpenGL to PostScript Printing Library
* Copyright (C) 1999-2003 Christophe Geuzaine
*
* $Id: gl2ps.h,v 1.34 2003-01-23 20:23:46 geuzaine Exp $
*
* E-mail: geuz@geuz.org
* URL: http://www.geuz.org/gl2ps/
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef __GL2PS_H__
#define __GL2PS_H__
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
/* To generate a Windows dll, you have to define GL2PSDLL at compile
time */
#ifdef WIN32
# include <windows.h>
# ifdef GL2PSDLL
# ifdef GL2PSDLL_EXPORTS
# define GL2PSDLL_API __declspec(dllexport)
# else
# define GL2PSDLL_API __declspec(dllimport)
# endif
# else
# define GL2PSDLL_API
# endif
#else
# define GL2PSDLL_API
#endif
#ifdef __APPLE__
# include <OpenGL/gl.h>
#else
# include <GL/gl.h>
#endif
#define GL2PS_VERSION 0.72
#define GL2PS_NONE 0
/* Output file format */
#define GL2PS_PS 1
#define GL2PS_EPS 2
#define GL2PS_TEX 3
/* Sorting algorithms */
#define GL2PS_NO_SORT 1
#define GL2PS_SIMPLE_SORT 2
#define GL2PS_BSP_SORT 3
/* Options for gl2psBeginPage */
#define GL2PS_DRAW_BACKGROUND (1<<0)
#define GL2PS_SIMPLE_LINE_OFFSET (1<<1)
#define GL2PS_SILENT (1<<2)
#define GL2PS_BEST_ROOT (1<<3)
#define GL2PS_OCCLUSION_CULL (1<<4)
#define GL2PS_NO_TEXT (1<<5)
#define GL2PS_LANDSCAPE (1<<6)
#define GL2PS_NO_PS3_SHADING (1<<7)
/* Arguments for gl2psEnable/gl2psDisable */
#define GL2PS_POLYGON_OFFSET_FILL 1
#define GL2PS_POLYGON_BOUNDARY 2
#define GL2PS_LINE_STIPPLE 3
/* Magic numbers */
#define GL2PS_EPSILON 5.e-3
#define GL2PS_DEPTH_FACT 1000.0
#define GL2PS_SIMPLE_OFFSET 0.05
#define GL2PS_SIMPLE_OFFSET_LARGE 1.0
#define GL2PS_ZERO(arg) (fabs(arg)<1.e-20)
/*#define GL2PS_ZERO(arg) ((arg)==0.0)*/
/* Message levels */
#define GL2PS_INFO 1
#define GL2PS_WARNING 2
#define GL2PS_ERROR 3
/* Error codes */
#define GL2PS_SUCCESS 0
#define GL2PS_NO_FEEDBACK -1
#define GL2PS_OVERFLOW -2
/* Primitive types */
#define GL2PS_TEXT 1
#define GL2PS_POINT 2
#define GL2PS_LINE 3
#define GL2PS_QUADRANGLE 4
#define GL2PS_TRIANGLE 5
/* BSP tree primitive comparison */
#define GL2PS_COINCIDENT 1
#define GL2PS_IN_FRONT_OF 2
#define GL2PS_IN_BACK_OF 3
#define GL2PS_SPANNING 4
/* 2D BSP tree primitive comparison */
#define GL2PS_POINT_COINCIDENT 0
#define GL2PS_POINT_INFRONT 1
#define GL2PS_POINT_BACK 2
/* Pass through options */
#define GL2PS_BEGIN_POLYGON_OFFSET_FILL 1
#define GL2PS_END_POLYGON_OFFSET_FILL 2
#define GL2PS_BEGIN_POLYGON_BOUNDARY 3
#define GL2PS_END_POLYGON_BOUNDARY 4
#define GL2PS_BEGIN_LINE_STIPPLE 5
#define GL2PS_END_LINE_STIPPLE 6
#define GL2PS_SET_POINT_SIZE 7
#define GL2PS_SET_LINE_WIDTH 8
typedef GLfloat GL2PSrgba[4];
typedef GLfloat GL2PSxyz[3];
typedef GLfloat GL2PSplane[4];
typedef struct _GL2PSbsptree2d GL2PSbsptree2d;
struct _GL2PSbsptree2d {
GL2PSplane plane;
GL2PSbsptree2d *front, *back;
};
typedef struct {
GLint nmax, size, incr, n;
char *array;
} GL2PSlist;
typedef struct _GL2PSbsptree GL2PSbsptree;
struct _GL2PSbsptree {
GL2PSplane plane;
GL2PSlist *primitives;
GL2PSbsptree *front, *back;
};
typedef struct {
GL2PSxyz xyz;
GL2PSrgba rgba;
} GL2PSvertex;
typedef struct {
GLshort fontsize;
char *str, *fontname;
} GL2PSstring;
typedef struct {
GLshort type, numverts;
char boundary, dash, culled;
GLfloat width, depth;
GL2PSvertex *verts;
GL2PSstring *text;
} GL2PSprimitive;
typedef struct {
GLint format, sort, options, colorsize, colormode, buffersize, maxbestroot;
const char *title, *producer, *filename;
GLboolean shade, boundary;
GLfloat *feedback, offset[2];
GL2PSrgba *colormap, lastrgba, threshold;
float lastlinewidth;
GL2PSlist *primitives;
GL2PSbsptree2d *image;
FILE *stream;
} GL2PScontext;
/* public functions */
#ifdef __cplusplus
extern "C" {
#endif
GL2PSDLL_API void gl2psBeginPage(const char *title, const char *producer,
GLint format, GLint sort, GLint options,
GLint colormode, GLint colorsize,
GL2PSrgba *colormap, GLint buffersize,
FILE *stream, const char *filename);
GL2PSDLL_API GLint gl2psEndPage(void);
GL2PSDLL_API void gl2psText(const char *str, const char *fontname, GLint size);
GL2PSDLL_API void gl2psEnable(GLint mode);
GL2PSDLL_API void gl2psDisable(GLint mode);
GL2PSDLL_API void gl2psPointSize(GLfloat value);
GL2PSDLL_API void gl2psLineWidth(GLfloat value);
GL2PSDLL_API void gl2psNumShadeColors(GLint nr, GLint ng, GLint nb);
#ifdef __cplusplus
};
#endif
#endif /* __GL2PS_H__ */