Changeset 918

Timestamp:

Feb 5, 2009, 5:41:43 PM (15 years ago)

Author:

garnier

Message:

test print PS with gl2ps

Location:

trunk/source/visualization/OpenGL

Files:

• include/G4OpenGLViewer.hh (modified) (1 diff)
• src/G4OpenGLViewer.cc (modified) (4 diffs)
• src/Geant4_gl2ps.h (added)
• src/gl2ps.cc (added)
• src/gl2ps.h (added)

trunk/source/visualization/OpenGL/include/G4OpenGLViewer.hh

@@ -77 +77 @@
                    unsigned int width,
                    unsigned int height);
+  void WritePostScript(const char *aFile);
   void printBuffer(GLint, GLfloat*);
   GLfloat* spewPrimitiveEPS (FILE*, GLfloat*);

trunk/source/visualization/OpenGL/src/G4OpenGLViewer.cc

@@ -48 +48 @@
 #include "G4AttHolder.hh"
 #include "G4AttCheck.hh"
+
+#include "Geant4_gl2ps.h"
+
 #include <sstream>
 
@@ -409 +412 @@
     if (file) {
       spewWireframeEPS (file, returned, feedback_buffer, "rendereps");
+      fclose(file);
     } else {
       printf("Could not open %s\n", fPrintFilename.c_str());
@@ -804 +808 @@
   int components, pos, i;
 
+  WritePostScript("1-PostScripTest.ps");
+
   pixels = grabPixels (inColour, width, height);
 
@@ -869 +875 @@
   fclose (fp);
   return 0;
+}
+
+
+void G4OpenGLViewer::WritePostScript(const char *aFile) {
+
+  G4cout << "Produce " << aFile << "..." << G4endl;
+
+  //  fGL2PSAction->enableFileWriting();
+  FILE *fFile = fopen(aFile,"w");
+  if(!fFile) {
+    G4cout << "G4OpenGLViewer::WritePostScript. Cannot open file " <<aFile << G4endl;
+    return;
+  }
+  
+  // Get the viewport
+  GLint viewport[4]; 
+  glGetIntegerv(GL_VIEWPORT, viewport);
+
+
+
+  int psformat;
+  //  psformat = GL2PS_PDF;
+  psformat = GL2PS_PS;
+  //  psformat = GL2PS_SVG;
+  //  psformat = GL2PS_EPS;
+  
+  //  int old_bg_gradient = CTX.bg_gradient;
+  //  if(!CTX.print.eps_background) CTX.bg_gradient = 0;
+  
+//   PixelBuffer buffer(width, height, GL_RGB, GL_FLOAT);
+  
+//   if(CTX.print.eps_quality == 0)
+//     buffer.Fill(CTX.batch);
+  
+  int pssort = GL2PS_SIMPLE_SORT;
+  //       int pssort =
+  //         (CTX.print.eps_quality == 3) ? GL2PS_NO_SORT :
+  //         (CTX.print.eps_quality == 2) ? GL2PS_BSP_SORT :
+  //         GL2PS_SIMPLE_SORT;
+  int psoptions = GL2PS_SIMPLE_LINE_OFFSET | GL2PS_DRAW_BACKGROUND; 
+  //         GL2PS_SIMPLE_LINE_OFFSET | GL2PS_SILENT |
+  //         (CTX.print.eps_occlusion_culling ? GL2PS_OCCLUSION_CULL : 0) |
+  //         (CTX.print.eps_best_root ? GL2PS_BEST_ROOT : 0) |
+  //         (CTX.print.eps_background ? GL2PS_DRAW_BACKGROUND : 0) |
+  //         (CTX.print.eps_compress ? GL2PS_COMPRESS : 0) |
+  //         (CTX.print.eps_ps3shading ? 0 : GL2PS_NO_PS3_SHADING);
+  
+  GLint buffsize = 0;
+  int res = GL2PS_OVERFLOW;
+  while(res == GL2PS_OVERFLOW) {
+    buffsize += 2048 * 2048;
+    gl2psBeginPage("MyTitle", "Geant4", viewport,
+                   psformat, pssort, psoptions, GL_RGBA, 0, NULL,
+                   15, 20, 10, buffsize, fFile, aFile);
+    DrawView();
+    res = gl2psEndPage();
+  }
+  
+  //  CTX.bg_gradient = old_bg_gradient;
+  fclose(fFile);
+
 }