1 | // |
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2 | // ******************************************************************** |
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3 | // * License and Disclaimer * |
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4 | // * * |
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5 | // * The Geant4 software is copyright of the Copyright Holders of * |
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6 | // * the Geant4 Collaboration. It is provided under the terms and * |
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7 | // * conditions of the Geant4 Software License, included in the file * |
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8 | // * LICENSE and available at http://cern.ch/geant4/license . These * |
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9 | // * include a list of copyright holders. * |
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10 | // * * |
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11 | // * Neither the authors of this software system, nor their employing * |
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12 | // * institutes,nor the agencies providing financial support for this * |
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13 | // * work make any representation or warranty, express or implied, * |
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14 | // * regarding this software system or assume any liability for its * |
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15 | // * use. Please see the license in the file LICENSE and URL above * |
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16 | // * for the full disclaimer and the limitation of liability. * |
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17 | // * * |
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18 | // * This code implementation is the result of the scientific and * |
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19 | // * technical work of the GEANT4 collaboration. * |
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20 | // * By using, copying, modifying or distributing the software (or * |
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21 | // * any work based on the software) you agree to acknowledge its * |
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22 | // * use in resulting scientific publications, and indicate your * |
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23 | // * acceptance of all terms of the Geant4 Software license. * |
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24 | // ******************************************************************** |
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25 | // |
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26 | /* |
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27 | * GL2PS, an OpenGL to PostScript Printing Library |
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28 | * Copyright (C) 1999-2003 Christophe Geuzaine |
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29 | * |
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30 | * $Id: gl2ps.h,v 1.5 2006/06/29 21:23:11 gunter Exp $ |
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31 | * |
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32 | * E-mail: geuz@geuz.org |
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33 | * URL: http://www.geuz.org/gl2ps/ |
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34 | * |
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35 | * This library is free software; you can redistribute it and/or |
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36 | * modify it under the terms of the GNU Library General Public |
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37 | * License as published by the Free Software Foundation; either |
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38 | * version 2 of the License, or (at your option) any later version. |
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39 | * |
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40 | * This library is distributed in the hope that it will be useful, |
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41 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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42 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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43 | * Library General Public License for more details. |
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44 | * |
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45 | * You should have received a copy of the GNU Library General Public |
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46 | * License along with this library; if not, write to the Free |
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47 | * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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48 | * |
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49 | */ |
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50 | |
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51 | #ifndef __GL2PS_H__ |
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52 | #define __GL2PS_H__ |
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53 | |
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54 | #include <stdio.h> |
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55 | #include <stdlib.h> |
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56 | #include <cmath> |
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57 | |
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58 | /* To generate a Windows dll, you have to define GL2PSDLL at compile |
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59 | time */ |
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60 | |
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61 | #ifdef WIN32 |
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62 | # include <windows.h> |
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63 | # ifdef GL2PSDLL |
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64 | # ifdef GL2PSDLL_EXPORTS |
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65 | # define GL2PSDLL_API __declspec(dllexport) |
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66 | # else |
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67 | # define GL2PSDLL_API __declspec(dllimport) |
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68 | # endif |
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69 | # else |
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70 | # define GL2PSDLL_API |
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71 | # endif |
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72 | #else |
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73 | # define GL2PSDLL_API |
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74 | #endif |
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75 | |
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76 | #ifdef __APPLE__ |
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77 | # include <OpenGL/gl.h> |
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78 | #else |
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79 | # include <GL/gl.h> |
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80 | #endif |
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81 | |
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82 | |
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83 | #define GL2PS_VERSION 0.8 |
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84 | #define GL2PS_NONE 0 |
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85 | |
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86 | /* Output file format */ |
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87 | |
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88 | #define GL2PS_PS 1 |
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89 | #define GL2PS_EPS 2 |
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90 | #define GL2PS_TEX 3 |
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91 | |
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92 | /* Sorting algorithms */ |
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93 | |
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94 | #define GL2PS_NO_SORT 1 |
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95 | #define GL2PS_SIMPLE_SORT 2 |
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96 | #define GL2PS_BSP_SORT 3 |
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97 | |
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98 | /* Options for gl2psBeginPage */ |
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99 | |
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100 | #define GL2PS_DRAW_BACKGROUND (1<<0) |
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101 | #define GL2PS_SIMPLE_LINE_OFFSET (1<<1) |
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102 | #define GL2PS_SILENT (1<<2) |
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103 | #define GL2PS_BEST_ROOT (1<<3) |
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104 | #define GL2PS_OCCLUSION_CULL (1<<4) |
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105 | #define GL2PS_NO_TEXT (1<<5) |
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106 | #define GL2PS_LANDSCAPE (1<<6) |
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107 | #define GL2PS_NO_PS3_SHADING (1<<7) |
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108 | #define GL2PS_NO_PIXMAP (1<<8) |
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109 | |
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110 | /* Arguments for gl2psEnable/gl2psDisable */ |
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111 | |
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112 | #define GL2PS_POLYGON_OFFSET_FILL 1 |
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113 | #define GL2PS_POLYGON_BOUNDARY 2 |
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114 | #define GL2PS_LINE_STIPPLE 3 |
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115 | |
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116 | /* Magic numbers */ |
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117 | |
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118 | #define GL2PS_EPSILON 5.e-3 |
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119 | #define GL2PS_DEPTH_FACT 1000.0 |
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120 | #define GL2PS_SIMPLE_OFFSET 0.05 |
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121 | #define GL2PS_SIMPLE_OFFSET_LARGE 1.0 |
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122 | #define GL2PS_ZERO(arg) (std::fabs(arg)<1.e-20) |
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123 | /*#define GL2PS_ZERO(arg) ((arg)==0.0)*/ |
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124 | |
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125 | /* Message levels and error codes */ |
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126 | |
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127 | #define GL2PS_SUCCESS 0 |
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128 | #define GL2PS_INFO 1 |
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129 | #define GL2PS_WARNING 2 |
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130 | #define GL2PS_ERROR 3 |
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131 | #define GL2PS_NO_FEEDBACK 4 |
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132 | #define GL2PS_OVERFLOW 5 |
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133 | #define GL2PS_UNINITIALIZED 6 |
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134 | |
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135 | /* Primitive types */ |
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136 | |
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137 | #define GL2PS_TEXT 1 |
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138 | #define GL2PS_POINT 2 |
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139 | #define GL2PS_LINE 3 |
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140 | #define GL2PS_QUADRANGLE 4 |
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141 | #define GL2PS_TRIANGLE 5 |
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142 | #define GL2PS_PIXMAP 6 |
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143 | |
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144 | /* BSP tree primitive comparison */ |
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145 | |
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146 | #define GL2PS_COINCIDENT 1 |
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147 | #define GL2PS_IN_FRONT_OF 2 |
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148 | #define GL2PS_IN_BACK_OF 3 |
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149 | #define GL2PS_SPANNING 4 |
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150 | |
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151 | /* 2D BSP tree primitive comparison */ |
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152 | |
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153 | #define GL2PS_POINT_COINCIDENT 0 |
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154 | #define GL2PS_POINT_INFRONT 1 |
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155 | #define GL2PS_POINT_BACK 2 |
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156 | |
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157 | /* Pass through options */ |
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158 | |
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159 | #define GL2PS_BEGIN_POLYGON_OFFSET_FILL 1 |
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160 | #define GL2PS_END_POLYGON_OFFSET_FILL 2 |
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161 | #define GL2PS_BEGIN_POLYGON_BOUNDARY 3 |
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162 | #define GL2PS_END_POLYGON_BOUNDARY 4 |
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163 | #define GL2PS_BEGIN_LINE_STIPPLE 5 |
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164 | #define GL2PS_END_LINE_STIPPLE 6 |
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165 | #define GL2PS_SET_POINT_SIZE 7 |
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166 | #define GL2PS_SET_LINE_WIDTH 8 |
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167 | |
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168 | typedef GLfloat GL2PSrgba[4]; |
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169 | typedef GLfloat GL2PSxyz[3]; |
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170 | typedef GLfloat GL2PSplane[4]; |
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171 | |
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172 | typedef struct _GL2PSbsptree2d GL2PSbsptree2d; |
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173 | |
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174 | struct _GL2PSbsptree2d { |
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175 | GL2PSplane plane; |
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176 | GL2PSbsptree2d *front, *back; |
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177 | }; |
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178 | |
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179 | typedef struct { |
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180 | GLint nmax, size, incr, n; |
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181 | char *array; |
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182 | } GL2PSlist; |
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183 | |
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184 | typedef struct _GL2PSbsptree GL2PSbsptree; |
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185 | |
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186 | struct _GL2PSbsptree { |
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187 | GL2PSplane plane; |
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188 | GL2PSlist *primitives; |
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189 | GL2PSbsptree *front, *back; |
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190 | }; |
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191 | |
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192 | typedef struct { |
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193 | GL2PSxyz xyz; |
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194 | GL2PSrgba rgba; |
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195 | } GL2PSvertex; |
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196 | |
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197 | typedef struct { |
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198 | GLshort fontsize; |
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199 | char *str, *fontname; |
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200 | } GL2PSstring; |
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201 | |
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202 | typedef struct { |
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203 | GLsizei width, height; |
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204 | GLenum format, type; |
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205 | GLfloat *pixels; |
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206 | } GL2PSimage; |
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207 | |
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208 | typedef struct { |
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209 | GLshort type, numverts; |
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210 | char boundary, dash, culled; |
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211 | GLfloat width, depth; |
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212 | GL2PSvertex *verts; |
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213 | GL2PSstring *text; |
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214 | GL2PSimage *image; |
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215 | } GL2PSprimitive; |
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216 | |
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217 | typedef struct { |
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218 | GLint format, sort, options, colorsize, colormode, buffersize, maxbestroot; |
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219 | const char *title, *producer, *filename; |
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220 | GLboolean shade, boundary; |
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221 | GLfloat *feedback, offset[2]; |
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222 | GLint viewport[4]; |
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223 | GL2PSrgba *colormap, lastrgba, threshold; |
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224 | float lastlinewidth; |
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225 | GL2PSlist *primitives; |
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226 | GL2PSbsptree2d *imagetree; |
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227 | FILE *stream; |
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228 | } GL2PScontext; |
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229 | |
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230 | /* public functions */ |
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231 | |
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232 | #ifdef __cplusplus |
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233 | extern "C" { |
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234 | #endif |
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235 | |
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236 | GL2PSDLL_API GLint gl2psBeginPage(const char *title, const char *producer, |
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237 | GLint viewport[4], GLint format, GLint sort, |
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238 | GLint options, GLint colormode, |
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239 | GLint colorsize, GL2PSrgba *colormap, |
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240 | GLint nr, GLint ng, GLint nb, GLint buffersize, |
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241 | FILE *stream, const char *filename); |
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242 | GL2PSDLL_API GLint gl2psEndPage(void); |
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243 | GL2PSDLL_API GLint gl2psBeginViewport(GLint viewport[4]); |
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244 | GL2PSDLL_API GLint gl2psEndViewport(void); |
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245 | GL2PSDLL_API GLint gl2psText(const char *str, const char *fontname, GLshort fontsize); |
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246 | GL2PSDLL_API GLint gl2psDrawPixels(GLsizei width, GLsizei height, |
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247 | GLint xorig, GLint yorig, |
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248 | GLenum format, GLenum type, const void *pixels); |
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249 | GL2PSDLL_API GLint gl2psEnable(GLint mode); |
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250 | GL2PSDLL_API GLint gl2psDisable(GLint mode); |
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251 | GL2PSDLL_API GLint gl2psPointSize(GLfloat value); |
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252 | GL2PSDLL_API GLint gl2psLineWidth(GLfloat value); |
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253 | |
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254 | #ifdef __cplusplus |
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255 | } |
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256 | #endif |
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257 | |
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258 | #endif /* __GL2PS_H__ */ |
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