gl2ps.h   gl2ps.h 
/* /*
* GL2PS, an OpenGL to PostScript Printing Library * GL2PS, an OpenGL to PostScript Printing Library
* Copyright (C) 1999-2001 Christophe Geuzaine * Copyright (C) 1999-2002 Christophe Geuzaine
* *
* $Id: gl2ps.h,v 1.11 2001/11/19 10:54:04 geuzaine Exp $ * $Id: gl2ps.h,v 1.19 2002/06/05 01:55:52 geuzaine Exp $
* *
* E-mail: Christophe.Geuzaine@AdValvas.be * E-mail: geuz@geuz.org
* URL: http://www.geuz.org/gl2ps/ * 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
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
* *
*/ */
#ifndef __GL2PS_H__ #ifndef __GL2PS_H__
#define __GL2PS_H__ #define __GL2PS_H__
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
/* To generate a Windows dll, you have to define GL2PSDLL at compile
time */
#ifdef WIN32 #ifdef WIN32
#include <windows.h> #include <windows.h>
#endif #ifdef GL2PSDLL
#ifdef GL2PSDLL_EXPORTS
#define GL2PSDLL_API __declspec(dllexport)
#else
#define GL2PSDLL_API __declspec(dllimport)
#endif /* GL2PSDLL_EXPORTS */
#else
#define GL2PSDLL_API
#endif /* GL2PSDLL */
#else
#define GL2PSDLL_API
#endif /* WIN32 */
#ifdef __APPLE__
#include <OpenGL/gl.h>
#else
#include <GL/gl.h> #include <GL/gl.h>
#endif /* __APPLE__ */
#define GL2PS_VERSION 0.5 #define GL2PS_VERSION 0.6
#define GL2PS_NONE 0 #define GL2PS_NONE 0
/* Output file format */ /* Output file format */
#define GL2PS_PS 1 #define GL2PS_PS 1
#define GL2PS_TEX 2 #define GL2PS_TEX 2
/* Sorting algorithms */ /* Sorting algorithms */
#define GL2PS_NO_SORT 1 #define GL2PS_NO_SORT 1
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#define GL2PS_BSP_SORT 3 #define GL2PS_BSP_SORT 3
/* Options for gl2psBeginPage */ /* Options for gl2psBeginPage */
#define GL2PS_DRAW_BACKGROUND (1<<0) #define GL2PS_DRAW_BACKGROUND (1<<0)
#define GL2PS_SIMPLE_LINE_OFFSET (1<<1) #define GL2PS_SIMPLE_LINE_OFFSET (1<<1)
#define GL2PS_SILENT (1<<2) #define GL2PS_SILENT (1<<2)
#define GL2PS_BEST_ROOT (1<<3) #define GL2PS_BEST_ROOT (1<<3)
#define GL2PS_OCCLUSION_CULL (1<<4) #define GL2PS_OCCLUSION_CULL (1<<4)
#define GL2PS_NO_TEXT (1<<5) #define GL2PS_NO_TEXT (1<<5)
#define GL2PS_LANDSCAPE (1<<6)
/* 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 #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
#define GL2PS_SIMPLE_OFFSET_LARGE 1.0
/* Message levels */ /* Message levels */
#define GL2PS_INFO 1 #define GL2PS_INFO 1
#define GL2PS_WARNING 2 #define GL2PS_WARNING 2
#define GL2PS_ERROR 3 #define GL2PS_ERROR 3
/* Error codes */ /* Error codes */
#define GL2PS_SUCCESS 0 #define GL2PS_SUCCESS 0
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} GL2PSlist; } GL2PSlist;
typedef struct _GL2PSbsptree GL2PSbsptree; typedef struct _GL2PSbsptree GL2PSbsptree;
struct _GL2PSbsptree { struct _GL2PSbsptree {
GL2PSplane plane; GL2PSplane plane;
GL2PSlist *primitives; GL2PSlist *primitives;
GL2PSbsptree *front, *back; GL2PSbsptree *front, *back;
}; };
typedef struct _GL2PSbsptree2d GL2PSbsptree2d;
struct _GL2PSbsptree2d {
GLshort flag;
GL2PSxy a, b;
GL2PSbsptree2d *front, *back;
};
typedef struct { typedef struct {
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;
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GLfloat width, depth; GLfloat width, depth;
GL2PSvertex *verts; GL2PSvertex *verts;
GL2PSstring *text; GL2PSstring *text;
} GL2PSprimitive; } GL2PSprimitive;
typedef struct { typedef struct {
GLint format, sort, options, colorsize, colormode, buffersize; GLint format, sort, options, colorsize, colormode, buffersize;
char *title, *producer, *filename; char *title, *producer, *filename;
GLboolean shade, boundary; GLboolean shade, boundary;
GLfloat *feedback, offset[2]; GLfloat *feedback, offset[2];
GL2PSrgba *colormap; GL2PSrgba *colormap, lastrgba;
float lastlinewidth;
GL2PSlist *primitives; GL2PSlist *primitives;
FILE *stream; FILE *stream;
} GL2PScontext; } GL2PScontext;
/* public functions */ /* public functions */
GLvoid gl2psBeginPage(char *title, char *producer, #ifdef __cplusplus
GLint format, GLint sort, GLint options, extern "C" {
GLint colormode, GLint colorsize, GL2PSrgba *colormap, #endif
GLint buffersize, FILE *stream, char *filename);
GLint gl2psEndPage(GLvoid); GL2PSDLL_API GLvoid gl2psBeginPage(char *title, char *producer,
GLvoid gl2psText(char *str, char *fontname, GLint size); GLint format, GLint sort, GLint options,
GLvoid gl2psEnable(GLint mode); GLint colormode, GLint colorsize,
GLvoid gl2psDisable(GLint mode); GL2PSrgba *colormap, GLint buffersize,
GLvoid gl2psPointSize(GLfloat value); FILE *stream, char *filename);
GLvoid gl2psLineWidth(GLfloat value); GL2PSDLL_API GLint gl2psEndPage(GLvoid);
GL2PSDLL_API GLvoid gl2psText(char *str, char *fontname, GLint size);
GL2PSDLL_API GLvoid gl2psEnable(GLint mode);
GL2PSDLL_API GLvoid gl2psDisable(GLint mode);
GL2PSDLL_API GLvoid gl2psPointSize(GLfloat value);
GL2PSDLL_API GLvoid gl2psLineWidth(GLfloat value);
#ifdef __cplusplus
};
#endif #endif
#endif /* __GL2PS_H__ */
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