gl2ps.h   gl2ps.h 
/* /*
* GL2PS, an OpenGL to PostScript Printing Library * GL2PS, an OpenGL to Postscript Printing Library, version 0.21
* Copyright (C) 1999-2003 Christophe Geuzaine * Copyright (C) 1999-2000 Christophe Geuzaine
* *
* $Id: gl2ps.h,v 1.55 2003/07/03 17:05:58 geuzaine Exp $ * E-mail: Christophe.Geuzaine@AdValvas.be
* * URL: http://www.montfiore.ulg.ac.be/~geuzaine/gl2ps.html
* E-mail: geuz@geuz.org
* URL: http://www.geuz.org/gl2ps/
* *
* This library is free software; you can redistribute it and/or * This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public * modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either * License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version. * version 2 of the License, or (at your option) any later version.
* *
* This library is distributed in the hope that it will be useful, * This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of * but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details. * Library General Public License for more details.
* *
* You should have received a copy of the GNU Library General Public * You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free * License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
* *
* Last modified 19 Feb 2000
*/ */
#ifndef __GL2PS_H__ #ifndef __GL2PS_H__
#define __GL2PS_H__ #define __GL2PS_H__
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <math.h> #include <GL/gl.h>
/* To generate a Windows dll, 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
/* Version number */ #define GL2PS_NONE 0
#define GL2PS_MAJOR_VERSION 0
#define GL2PS_MINOR_VERSION 9
#define GL2PS_PATCH_VERSION 2
#define GL2PS_VERSION (GL2PS_MAJOR_VERSION + \
0.01 * GL2PS_MINOR_VERSION + \
0.0001 * GL2PS_PATCH_VERSION)
/* Output file format */
#define GL2PS_PS 1
#define GL2PS_EPS 2
#define GL2PS_TEX 3
/* Sorting algorithms */ /* Sorting algorithms */
#define GL2PS_NO_SORT 1 #define GL2PS_NO_SORT 1
#define GL2PS_SIMPLE_SORT 2 #define GL2PS_SIMPLE_SORT 2
#define GL2PS_BSP_SORT 3 #define GL2PS_BSP_SORT 3
/* Options for gl2psBeginPage */ /* Options for gl2psBeginPage */
#define GL2PS_NONE 0 #define GL2PS_DRAW_BACKGROUND 1
#define GL2PS_DRAW_BACKGROUND (1<<0) #define GL2PS_SIMPLE_LINE_OFFSET 2
#define GL2PS_SIMPLE_LINE_OFFSET (1<<1) #define GL2PS_SILENT 4
#define GL2PS_SILENT (1<<2) #define GL2PS_BEST_ROOT 8
#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)
#define GL2PS_NO_PIXMAP (1<<8)
#define GL2PS_USE_CURRENT_VIEWPORT (1<<9)
/* Arguments for gl2psEnable/gl2psDisable */ /* Arguments for gl2psEnable/gl2psDisable */
#define GL2PS_POLYGON_OFFSET_FILL 1 #define GL2PS_POLYGON_OFFSET_FILL 1
#define GL2PS_POLYGON_BOUNDARY 2 #define GL2PS_POLYGON_BOUNDARY 2
#define GL2PS_LINE_STIPPLE 3
/* Magic numbers */ /* Magic numbers */
#define GL2PS_EPSILON 5.e-3 #define GL2PS_EPSILON 5.e-3
#define GL2PS_DEPTH_FACT 1000.0
#define GL2PS_SIMPLE_OFFSET 0.05 /* Message levels */
#define GL2PS_SIMPLE_OFFSET_LARGE 1.0
#define GL2PS_ZERO(arg) (fabs(arg)<1.e-20) #define GL2PS_INFO 1
#define GL2PS_WARNING 2
/* Message levels and error codes */ #define GL2PS_ERROR 3
#define GL2PS_SUCCESS 0 /* Error codes */
#define GL2PS_INFO 1
#define GL2PS_WARNING 2 #define GL2PS_SUCCESS 0
#define GL2PS_ERROR 3 #define GL2PS_NO_FEEDBACK -1
#define GL2PS_NO_FEEDBACK 4 #define GL2PS_OVERFLOW -2
#define GL2PS_OVERFLOW 5
#define GL2PS_UNINITIALIZED 6
/* Primitive types */ /* Primitive types */
#define GL2PS_TEXT 1 #define GL2PS_TEXT 1
#define GL2PS_POINT 2 #define GL2PS_POINT 2
#define GL2PS_LINE 3 #define GL2PS_LINE 3
#define GL2PS_QUADRANGLE 4 #define GL2PS_QUADRANGLE 4
#define GL2PS_TRIANGLE 5 #define GL2PS_TRIANGLE 5
#define GL2PS_PIXMAP 6
/* BSP tree primitive comparison */ /* BSP tree primitive comparison */
#define GL2PS_COINCIDENT 1 #define GL2PS_COINCIDENT 1
#define GL2PS_IN_FRONT_OF 2 #define GL2PS_IN_FRONT_OF 2
#define GL2PS_IN_BACK_OF 3 #define GL2PS_IN_BACK_OF 3
#define GL2PS_SPANNING 4 #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 */ /* Pass through options */
#define GL2PS_BEGIN_POLYGON_OFFSET_FILL 1 #define GL2PS_BEGIN_POLYGON_OFFSET_FILL 1
#define GL2PS_END_POLYGON_OFFSET_FILL 2 #define GL2PS_END_POLYGON_OFFSET_FILL 2
#define GL2PS_BEGIN_POLYGON_BOUNDARY 3 #define GL2PS_BEGIN_POLYGON_BOUNDARY 3
#define GL2PS_END_POLYGON_BOUNDARY 4 #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 GL2PSrgba[4];
typedef GLfloat GL2PSxyz[3]; typedef GLfloat GL2PSxyz[3];
typedef GLfloat GL2PSplane[4]; typedef GLfloat GL2PSplane[4];
typedef struct _GL2PSbsptree2d GL2PSbsptree2d;
struct _GL2PSbsptree2d {
GL2PSplane plane;
GL2PSbsptree2d *front, *back;
};
typedef struct { typedef struct {
GLint nmax, size, incr, n; GLint nmax, size, incr, n;
char *array; char *array;
} GL2PSlist; } GL2PSlist;
typedef struct _GL2PSbsptree GL2PSbsptree; typedef struct _GL2PSbsptree GL2PSbsptree;
struct _GL2PSbsptree { struct _GL2PSbsptree {
GL2PSplane plane; GL2PSplane plane;
GL2PSlist *primitives; GL2PSlist *primitives;
skipping to change at line 184 skipping to change at line 118
GL2PSxyz xyz; GL2PSxyz xyz;
GL2PSrgba rgba; GL2PSrgba rgba;
} GL2PSvertex; } GL2PSvertex;
typedef struct { typedef struct {
GLshort fontsize; GLshort fontsize;
char *str, *fontname; char *str, *fontname;
} GL2PSstring; } GL2PSstring;
typedef struct { typedef struct {
GLsizei width, height; GLshort type, numverts, boundary;
GLenum format, type; GLfloat depth;
GLfloat *pixels;
} GL2PSimage;
typedef struct {
GLshort type, numverts;
char boundary, dash, culled;
GLfloat width, depth;
GL2PSvertex *verts; GL2PSvertex *verts;
GL2PSstring *text; GL2PSstring *text;
GL2PSimage *image;
} GL2PSprimitive; } GL2PSprimitive;
typedef struct { typedef struct {
GLint format, sort, options, colorsize, colormode, buffersize, maxbestroo GLint sort, options, colorsize, colormode, buffersize;
t; char *title, *producer;
const char *title, *producer, *filename; GLboolean shade, boundary;
GLboolean boundary, zerosurfacearea;
GLfloat *feedback, offset[2]; GLfloat *feedback, offset[2];
GLint viewport[4]; GL2PSrgba *colormap;
GL2PSrgba *colormap, lastrgba, threshold;
float lastlinewidth;
GL2PSlist *primitives; GL2PSlist *primitives;
GL2PSbsptree2d *imagetree;
FILE *stream; FILE *stream;
GL2PSprimitive *primitivetoadd;
} GL2PScontext; } GL2PScontext;
/* public functions */ /* public functions */
#ifdef __cplusplus GLvoid gl2psBeginPage(char *title, char *producer, GLint sort, GLint option
extern "C" { s,
#endif GLint colormode, GLint colorsize, GL2PSrgba *colormap,
GLint buffersize, FILE * stream);
GL2PSDLL_API GLint gl2psBeginPage(const char *title, const char *producer, GLint gl2psEndPage(GLvoid);
GLint viewport[4], GLint format, GLint sor GLvoid gl2psText(char *str, char *fontname, GLint size);
t, GLvoid gl2psEnable(GLint mode);
GLint options, GLint colormode, GLvoid gl2psDisable(GLint mode);
GLint colorsize, GL2PSrgba *colormap,
GLint nr, GLint ng, GLint nb, GLint buffer
size,
FILE *stream, const char *filename);
GL2PSDLL_API GLint gl2psEndPage(void);
GL2PSDLL_API GLint gl2psBeginViewport(GLint viewport[4]);
GL2PSDLL_API GLint gl2psEndViewport(void);
GL2PSDLL_API GLint gl2psText(const char *str, const char *fontname, GLshort
fontsize);
GL2PSDLL_API GLint gl2psDrawPixels(GLsizei width, GLsizei height,
GLint xorig, GLint yorig,
GLenum format, GLenum type, const void *p
ixels);
GL2PSDLL_API GLint gl2psEnable(GLint mode);
GL2PSDLL_API GLint gl2psDisable(GLint mode);
GL2PSDLL_API GLint gl2psPointSize(GLfloat value);
GL2PSDLL_API GLint gl2psLineWidth(GLfloat value);
#ifdef __cplusplus
};
#endif #endif
#endif /* __GL2PS_H__ */
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