/* * GL2PS, an OpenGL to PostScript Printing Library * Copyright (C) 1999-2003 Christophe Geuzaine * * $Id: gl2ps.h,v 1.1 2003/03/24 23:09:51 MPHodges 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 #include #include /* To generate a Windows dll, define GL2PSDLL at compile time */ #ifdef WIN32 # include # 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 #else # include #endif #define GL2PS_VERSION 0.81 #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) #define GL2PS_NO_PIXMAP (1<<8) /* 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) /* Message levels and error codes */ #define GL2PS_SUCCESS 0 #define GL2PS_INFO 1 #define GL2PS_WARNING 2 #define GL2PS_ERROR 3 #define GL2PS_NO_FEEDBACK 4 #define GL2PS_OVERFLOW 5 #define GL2PS_UNINITIALIZED 6 /* Primitive types */ #define GL2PS_TEXT 1 #define GL2PS_POINT 2 #define GL2PS_LINE 3 #define GL2PS_QUADRANGLE 4 #define GL2PS_TRIANGLE 5 #define GL2PS_PIXMAP 6 /* 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 { GLsizei width, height; GLenum format, type; GLfloat *pixels; } GL2PSimage; typedef struct { GLshort type, numverts; char boundary, dash, culled; GLfloat width, depth; GL2PSvertex *verts; GL2PSstring *text; GL2PSimage *image; } GL2PSprimitive; typedef struct { GLint format, sort, options, colorsize, colormode, buffersize, maxbestroot; const char *title, *producer, *filename; GLboolean shade, boundary; GLfloat *feedback, offset[2]; GLint viewport[4]; GL2PSrgba *colormap, lastrgba, threshold; float lastlinewidth; GL2PSlist *primitives; GL2PSbsptree2d *imagetree; FILE *stream; } GL2PScontext; /* public functions */ #ifdef __cplusplus extern "C" { #endif GL2PSDLL_API GLint gl2psBeginPage(const char *title, const char *producer, GLint viewport[4], GLint format, GLint sort, GLint options, GLint colormode, GLint colorsize, GL2PSrgba *colormap, GLint nr, GLint ng, GLint nb, GLint buffersize, 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 *pixels); 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 /* __GL2PS_H__ */