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 | #ifdef G4VIS_BUILD_OI_DRIVER |
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27 | |
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28 | /*----------------------------HEPVis----------------------------------------*/ |
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29 | /* */ |
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30 | /* Node: SoImageWriter */ |
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31 | /* Author: Guy Barrand */ |
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32 | /* */ |
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33 | /*--------------------------------------------------------------------------*/ |
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34 | |
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35 | // this : |
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36 | #include <HEPVis/nodes/SoImageWriter.h> |
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37 | |
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38 | #include <Inventor/errors/SoDebugError.h> |
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39 | #include <Inventor/elements/SoViewportRegionElement.h> |
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40 | #include <Inventor/actions/SoGLRenderAction.h> |
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41 | |
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42 | #include <HEPVis/SbGL.h> |
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43 | #include <HEPVis/SbPainterPS.h> |
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44 | //#include <HEPVis/SbGIF.h> |
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45 | |
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46 | #include <stdlib.h> |
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47 | |
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48 | typedef struct { |
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49 | unsigned char red; |
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50 | unsigned char green; |
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51 | unsigned char blue; |
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52 | } Pixel; |
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53 | typedef unsigned char Uchar; |
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54 | |
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55 | //static void getImagePixels(int,int,float*,int&, |
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56 | // Uchar*&,Uchar*&,Uchar*&,Uchar*&); |
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57 | |
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58 | static int sWidth = 0; |
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59 | static int sHeight = 0; |
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60 | static float* sImage = 0; |
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61 | static int getRGB(unsigned int,unsigned int,double&,double&,double&); |
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62 | |
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63 | SO_NODE_SOURCE(SoImageWriter) |
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64 | ////////////////////////////////////////////////////////////////////////////// |
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65 | void SoImageWriter::initClass ( |
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66 | ) |
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67 | ////////////////////////////////////////////////////////////////////////////// |
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68 | //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!// |
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69 | { |
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70 | SO_NODE_INIT_CLASS(SoImageWriter,SoNode,"Node"); |
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71 | } |
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72 | ////////////////////////////////////////////////////////////////////////////// |
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73 | SoImageWriter::SoImageWriter( |
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74 | ) |
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75 | :fEnabled(FALSE) |
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76 | ,fStatus(FALSE) |
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77 | ////////////////////////////////////////////////////////////////////////////// |
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78 | //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!// |
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79 | { |
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80 | SO_NODE_CONSTRUCTOR(SoImageWriter); |
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81 | //SO_NODE_ADD_FIELD(format,(POST_SCRIPT)); |
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82 | SO_NODE_ADD_FIELD(fileName,("out.ps")); |
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83 | |
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84 | //SO_NODE_DEFINE_ENUM_VALUE(Format,POST_SCRIPT); |
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85 | //SO_NODE_DEFINE_ENUM_VALUE(Format,GIF); |
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86 | |
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87 | //SO_NODE_SET_SF_ENUM_TYPE(format,Format); |
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88 | } |
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89 | ////////////////////////////////////////////////////////////////////////////// |
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90 | SoImageWriter::~SoImageWriter ( |
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91 | ) |
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92 | ////////////////////////////////////////////////////////////////////////////// |
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93 | //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!// |
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94 | { |
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95 | } |
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96 | ////////////////////////////////////////////////////////////////////////////// |
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97 | void SoImageWriter::enable( |
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98 | ) |
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99 | ////////////////////////////////////////////////////////////////////////////// |
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100 | //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!// |
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101 | { |
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102 | fEnabled = TRUE; |
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103 | } |
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104 | ////////////////////////////////////////////////////////////////////////////// |
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105 | void SoImageWriter::disable( |
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106 | ) |
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107 | ////////////////////////////////////////////////////////////////////////////// |
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108 | //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!// |
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109 | { |
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110 | fEnabled = FALSE; |
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111 | } |
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112 | ////////////////////////////////////////////////////////////////////////////// |
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113 | SbBool SoImageWriter::getStatus( |
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114 | ) const |
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115 | ////////////////////////////////////////////////////////////////////////////// |
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116 | //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!// |
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117 | { |
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118 | return fStatus; |
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119 | } |
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120 | ////////////////////////////////////////////////////////////////////////////// |
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121 | void SoImageWriter::GLRender( |
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122 | SoGLRenderAction* aAction |
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123 | ) |
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124 | ////////////////////////////////////////////////////////////////////////////// |
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125 | //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!// |
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126 | { |
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127 | fStatus = FALSE; |
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128 | //printf("debug : SoImageWriter::GLRender : enabled : %d\n",fEnabled); |
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129 | if(!fEnabled) return; |
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130 | SbViewportRegion vpr = SoViewportRegionElement::get(aAction->getState()); |
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131 | const SbVec2s& win = vpr.getWindowSize(); |
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132 | int w = win[0]; |
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133 | int h = win[1]; |
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134 | if((w*h)<=0) { |
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135 | SoDebugError::postInfo("SoImageWriter::GLRender","null area window !"); |
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136 | return; |
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137 | } |
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138 | |
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139 | int x = 0; |
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140 | int y = 0; |
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141 | int s = 3 * w * h; |
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142 | float* image = new float[s]; |
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143 | if(!image) return; |
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144 | |
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145 | //printf("debug : SoImageWriter::GLRender : %d %d %d %d\n",x,y,w,h); |
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146 | |
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147 | //glReadPixels(x,y,w,h,GL_RGB,GL_UNSIGNED_BYTE,image); Don't work ! |
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148 | glReadPixels(x,y,w,h,GL_RGB,GL_FLOAT,image); |
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149 | |
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150 | //Format fm = (Format)format.getValue(); |
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151 | //if(fm==GIF) { |
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152 | /* |
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153 | FILE* file = fopen(fileName.getValue().getString(),"wb"); |
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154 | if(!file) { |
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155 | SoDebugError::postInfo("SoImageWriter::GLRender", |
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156 | "can't open file \"%s\".",fileName.getValue().getString()); |
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157 | } else { |
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158 | int coln; |
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159 | Uchar* rs; |
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160 | Uchar* gs; |
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161 | Uchar* bs; |
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162 | Uchar* data; |
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163 | getImagePixels(w,h,image,coln,rs,gs,bs,data); |
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164 | |
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165 | SbGIF::putBytesInStream(file,data,w,h,coln,rs,gs,bs); |
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166 | |
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167 | delete [] data; |
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168 | |
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169 | if(rs) free(rs); |
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170 | if(gs) free(gs); |
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171 | if(bs) free(bs); |
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172 | |
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173 | fclose(file); |
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174 | |
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175 | fStatus = TRUE; |
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176 | } |
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177 | } else { |
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178 | */ |
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179 | |
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180 | SbPainterPS painterPS; |
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181 | painterPS.openFileForWriting(fileName.getValue().getString()); |
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182 | if(!painterPS.getStream()) { |
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183 | SoDebugError::postInfo("SoImageWriter::GLRender", |
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184 | "can't open file \"%s\".",fileName.getValue().getString()); |
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185 | } else { |
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186 | painterPS.setWindowSize(w,h); |
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187 | //painterPS.setBitsPerPixel(8); |
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188 | painterPS.setBitsPerPixel(4); |
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189 | painterPS.beginTraversal(); |
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190 | painterPS.clearColorBuffer(1.,1.,1.); |
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191 | |
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192 | sWidth = w; |
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193 | sHeight = h; |
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194 | sImage = image; |
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195 | painterPS.putImageInStream((unsigned int)w,(unsigned int)h,getRGB); |
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196 | |
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197 | painterPS.endTraversal(); |
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198 | |
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199 | painterPS.closeStream(); |
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200 | |
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201 | fStatus = TRUE; |
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202 | } |
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203 | //} |
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204 | delete [] image; |
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205 | |
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206 | } |
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207 | /* |
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208 | ////////////////////////////////////////////////////////////////////////////// |
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209 | void getImagePixels ( |
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210 | int aWidth |
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211 | ,int aHeight |
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212 | ,float* aImage |
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213 | ,int& aColorn |
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214 | ,Uchar*& aReds |
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215 | ,Uchar*& aGreens |
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216 | ,Uchar*& aBlues |
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217 | ,Uchar*& aData |
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218 | ) |
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219 | ////////////////////////////////////////////////////////////////////////////// |
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220 | //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!// |
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221 | { |
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222 | aColorn = 0; |
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223 | aReds = 0; |
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224 | aGreens = 0; |
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225 | aBlues = 0; |
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226 | aData = 0; |
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227 | if( (aWidth * aHeight) <=0) return; |
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228 | int size = 256; |
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229 | Uchar* rs = (Uchar*)malloc(size * sizeof(Uchar)); |
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230 | Uchar* gs = (Uchar*)malloc(size * sizeof(Uchar)); |
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231 | Uchar* bs = (Uchar*)malloc(size * sizeof(Uchar)); |
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232 | Uchar* data = new Uchar[aWidth * aHeight]; |
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233 | if( !rs || !gs || !bs || !data ) { |
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234 | if(rs) free(rs); |
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235 | if(gs) free(gs); |
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236 | if(bs) free(bs); |
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237 | delete [] data; |
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238 | return; |
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239 | } |
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240 | int pixeln = 0; |
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241 | int row,col; |
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242 | Uchar red,green,blue; |
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243 | Uchar ored = 0,ogreen = 0,oblue = 0; |
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244 | float* pimag = aImage; |
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245 | Uchar* pdata = 0; |
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246 | Uchar index = 0; |
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247 | int status = 0; |
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248 | for(row=0;row<aHeight;row++) { |
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249 | pdata = data + (aHeight - 1 - row) * aWidth; |
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250 | for(col=0;col<aWidth;col++){ |
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251 | red = (Uchar)(255 * (*pimag));pimag++; |
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252 | green = (Uchar)(255 * (*pimag));pimag++; |
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253 | blue = (Uchar)(255 * (*pimag));pimag++; |
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254 | //printf("debug : %d %d : %d %d %d\n",row,col,red,green,blue); |
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255 | if( (pixeln==0) || (red!=ored) || (green!=ogreen) || (blue!=oblue) ){ |
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256 | // Search exact color : |
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257 | int found = 0; |
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258 | for(int count=0;count<pixeln;count++){ |
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259 | if( (red==rs[count]) && (green==gs[count]) && (blue==bs[count]) ){ |
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260 | found = 1; |
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261 | index = count; |
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262 | break; |
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263 | } |
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264 | } |
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265 | if(found==0){ |
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266 | if(pixeln>=256) { |
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267 | // We can't store more than 256 on an Uchar. |
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268 | // Search closest color : |
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269 | int dr,dg,db; |
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270 | int PRECISION = 20; |
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271 | int closest = 0; |
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272 | for(int count=0;count<pixeln;count++){ |
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273 | dr = red - rs[count];dr = dr<0 ? -dr : dr; |
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274 | dg = green - gs[count];dg = dg<0 ? -dg : dg; |
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275 | db = blue - bs[count];db = db<0 ? -db : db; |
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276 | if( (dr<=PRECISION) && (dg<=PRECISION) && (db<=PRECISION) ){ |
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277 | closest = 1; |
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278 | index = count; |
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279 | break; |
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280 | } |
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281 | } |
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282 | if(closest==0) { |
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283 | index = 0; |
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284 | status = 1; |
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285 | } |
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286 | } else { |
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287 | if(pixeln>=size){ |
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288 | size += 256; |
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289 | rs = (Uchar*)realloc(rs,size * sizeof(Uchar)); |
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290 | gs = (Uchar*)realloc(gs,size * sizeof(Uchar)); |
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291 | bs = (Uchar*)realloc(bs,size * sizeof(Uchar)); |
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292 | if( !rs || !gs || !bs ) { |
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293 | if(rs) free(rs); |
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294 | if(gs) free(gs); |
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295 | if(bs) free(bs); |
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296 | delete [] data; |
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297 | return; |
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298 | } |
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299 | } |
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300 | //printf("debug : SoImageWriter pixeln %d : %d %d %d\n", |
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301 | // pixeln,red,green,blue); |
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302 | rs[pixeln] = red; |
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303 | gs[pixeln] = green; |
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304 | bs[pixeln] = blue; |
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305 | index = pixeln; |
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306 | pixeln++; |
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307 | } |
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308 | } |
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309 | } |
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310 | *pdata = index; |
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311 | pdata++; |
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312 | ored = red; |
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313 | ogreen = green; |
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314 | oblue = blue; |
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315 | } |
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316 | } |
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317 | if(status==1) |
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318 | printf("SoImageWriter : more than 256 colors in picture ; some colors approximated.\n"); |
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319 | aColorn = pixeln; |
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320 | aReds = rs; |
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321 | aGreens = gs; |
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322 | aBlues = bs; |
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323 | aData = data; |
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324 | } |
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325 | */ |
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326 | ////////////////////////////////////////////////////////////////////////////// |
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327 | int getRGB( |
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328 | unsigned int aX |
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329 | ,unsigned int aY |
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330 | ,double& aRed |
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331 | ,double& aGreen |
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332 | ,double& aBlue |
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333 | ) |
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334 | ////////////////////////////////////////////////////////////////////////////// |
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335 | // OpenGL image is from down to up. |
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336 | // PS image is up to down. |
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337 | //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!// |
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338 | { |
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339 | float* pimag = sImage + 3 * (sWidth * (sHeight - 1 - aY) + aX); |
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340 | aRed = *pimag;pimag++; |
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341 | aGreen = *pimag;pimag++; |
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342 | aBlue = *pimag;pimag++; |
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343 | return 1; |
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344 | } |
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345 | |
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346 | #endif |
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