src/OpenGl/OpenGl_GraphicDriver_Export.cxx

   1 /************************************************************************/
   2 /* Includes                                                             */
   3 /************************************************************************/
   4
   5 #include <OpenGl_GraphicDriver.jxx>
   6 #include <OSD_Localizer.hxx>
   7
   8 #ifdef HAVE_GL2PS
   9 #include <gl2ps.h>
  10 #endif
  11
  12 #include <locale.h>
  13
  14
  15
  16 /************************************************************************/
  17 /* Print Methods                                                        */
  18 /************************************************************************/
  19
  20 void OpenGl_GraphicDriver::Export( const Standard_CString FileName,
  21                                    const Graphic3d_ExportFormat Format,
  22                                    const Graphic3d_SortType aSortType,
  23                                    const Standard_Integer W,
  24                                    const Standard_Integer H,
  25                                    const Graphic3d_CView& View,
  26                                    const Aspect_CLayer2d& Under,
  27                                    const Aspect_CLayer2d& Over,
  28                                    const Standard_Real Precision,
  29                                    const Standard_Address ProgressBarFunc,
  30                                    const Standard_Address ProgressObject )
  31 {
  32 #ifdef HAVE_GL2PS
  33
  34   OSD_Localizer locate(LC_NUMERIC,"C");
  35
  36   Standard_Integer mode = -1;
  37   Standard_Integer sortType = Graphic3d_ST_BSP_Tree;
  38   switch( Format )
  39   {
  40   case Graphic3d_EF_PostScript:
  41     mode = GL2PS_PS;
  42     break;
  43   case Graphic3d_EF_EnhPostScript:
  44     mode = GL2PS_EPS;
  45     break;
  46   case Graphic3d_EF_TEX:
  47     mode = GL2PS_TEX;
  48     break;
  49   case Graphic3d_EF_PDF:
  50     mode = GL2PS_PDF;
  51     break;
  52   case Graphic3d_EF_SVG:
  53     mode = GL2PS_SVG;
  54     break;
  55   case Graphic3d_EF_PGF:
  56     mode = GL2PS_PGF;
  57     break;
  58   }
  59
  60   switch( aSortType )
  61   {
  62   case Graphic3d_ST_Simple:
  63     sortType = GL2PS_SIMPLE_SORT;
  64     break;
  65   case Graphic3d_ST_BSP_Tree:
  66     sortType = GL2PS_BSP_SORT;
  67     break;
  68   }
  69
  70   GLint viewport[4];
  71   viewport[0] = 0;
  72   viewport[1] = 0;
  73   viewport[2] = W;
  74   viewport[3] = H;
  75
  76   GLint buffersize = 1024*1024;
  77
  78   while( buffersize>0 )
  79   {
  80     FILE *file = fopen(FileName,"wb");
  81     gl2psBeginPage( "", "", viewport, mode, sortType,
  82                     GL2PS_DRAW_BACKGROUND | GL2PS_OCCLUSION_CULL | GL2PS_BEST_ROOT/* | GL2PS_SIMPLE_LINE_OFFSET*/,
  83                     GL_RGBA, 0, NULL,
  84                     0, 0, 0, buffersize, file, FileName);
  85
  86     Redraw( View, Under, Over );
  87
  88     GLint num = gl2psEndPage();
  89
  90     fclose(file);
  91
  92     if( num==GL2PS_OVERFLOW )
  93        buffersize *= 2;
  94      else
  95        break;
  96   }
  97
  98   locate.Restore();
  99
 100 #endif
 101
 102 }