opt for temp files

Common/Context.h

@@ -214,7 +214,7 @@ class CTX {
     int jpegQuality, jpegSmoothing, geoLabels, text, texAsEquation;
     int gifDither, gifSort, gifInterlace, gifTransparent;
     int posElementary, posElement, posGamma, posEta, posRho, posDisto;
-    int compositeWindows;
+    int compositeWindows, deleteTmpFiles;
   } print;
   // color options
   struct{

Common/CreateFile.cpp

@@ -479,14 +479,14 @@ void CreateOutputFile(std::string fileName, int format)
       char *args[] = {(char*)"gmsh", (char*)parFileName.c_str()};
       try{
         mpeg_encode_main(2, args);
-        UnlinkFile(parFileName);
-        for(unsigned int i = 0; i < frames.size(); i++)
-          UnlinkFile(CTX::instance()->homeDir + frames[i]);
       }
       catch (const char *error){
         Msg::Error("mpeg_encode: %s", error);
-        Msg::Info("Temporary image were saved in: %s.gmsh-*.ppm", 
-                  CTX::instance()->homeDir.c_str());
+      }
+      if(opt_print_delete_tmp_files(0, GMSH_GET, 0)){
+        UnlinkFile(parFileName);
+        for(unsigned int i = 0; i < frames.size(); i++)
+          UnlinkFile(CTX::instance()->homeDir + frames[i]);
       }
     }
     break;

Common/DefaultOptions.h

@@ -1604,6 +1604,9 @@ StringXNumber PrintOptions_Number[] = {
   { F|O, "CompositeWindows" , opt_print_composite_windows , 0. ,
     "Composite all window tiles in the same output image (for bitmap output only)" },
 
+  { F|O, "DeleteTemporaryFiles" , opt_print_delete_tmp_files , 1. ,
+    "Delete temporary files used during printing" },
+
   { F|O, "EpsBackground" , opt_print_eps_background , 1. ,
     "Save image background in PostScript/PDF output" },
   { F|O, "EpsBestRoot" , opt_print_eps_best_root , 1. ,

Common/Options.cpp

@@ -8514,6 +8514,13 @@ double opt_print_composite_windows(OPT_ARGS_NUM)
   return CTX::instance()->print.compositeWindows;
 }
 
+double opt_print_delete_tmp_files(OPT_ARGS_NUM)
+{
+  if(action & GMSH_SET)
+    CTX::instance()->print.deleteTmpFiles = (int)val;
+  return CTX::instance()->print.deleteTmpFiles;
+}
+
 // Color option routines
 
 #if defined(HAVE_FLTK)

Common/Options.h

@@ -736,6 +736,7 @@ double opt_print_gif_transparent(OPT_ARGS_NUM);
 double opt_print_text(OPT_ARGS_NUM);
 double opt_print_tex_as_equation(OPT_ARGS_NUM);
 double opt_print_composite_windows(OPT_ARGS_NUM);
+double opt_print_delete_tmp_files(OPT_ARGS_NUM);
 
 // COLORS
 

Fltk/fileDialogs.cpp

@@ -356,7 +356,7 @@ int mpegFileDialog(const char *name)
   struct _mpegFileDialog{
     Fl_Window *window;
     Fl_Round_Button *b[2];
-    Fl_Check_Button *c[1];
+    Fl_Check_Button *c[2];
     Fl_Value_Input *v[1];
     Fl_Button *ok, *cancel;
   };
@@ -364,7 +364,7 @@ int mpegFileDialog(const char *name)
 
   if(!dialog){
     dialog = new _mpegFileDialog;
-    int h = 3 * WB + 5 * BH, w = 2 * BB + 3 * WB, y = WB;
+    int h = 3 * WB + 6 * BH, w = 2 * BB + 3 * WB, y = WB;
     dialog->window = new Fl_Double_Window(w, h, "MPEG Options");
     dialog->window->box(GMSH_WINDOW_BOX);
     dialog->window->set_modal();
@@ -390,6 +390,10 @@ int mpegFileDialog(const char *name)
       (WB, y, 2 * BB + WB, BH, "Composite all window tiles"); y += BH;
     dialog->c[0]->type(FL_TOGGLE_BUTTON);
 
+    dialog->c[1] = new Fl_Check_Button
+      (WB, y, 2 * BB + WB, BH, "Delete temporary files"); y += BH;
+    dialog->c[1]->type(FL_TOGGLE_BUTTON);
+
     dialog->ok = new Fl_Return_Button(WB, y + WB, BB, BH, "OK");
     dialog->cancel = new Fl_Button(2 * WB + BB, y + WB, BB, BH, "Cancel");
     dialog->window->end();
@@ -400,6 +404,7 @@ int mpegFileDialog(const char *name)
   dialog->b[1]->value(CTX::instance()->post.animCycle);
   dialog->v[0]->value(CTX::instance()->post.animDelay);
   dialog->c[0]->value(CTX::instance()->print.compositeWindows);
+  dialog->c[1]->value(CTX::instance()->print.deleteTmpFiles);
   dialog->window->show();
 
   while(dialog->window->shown()){
@@ -411,6 +416,7 @@ int mpegFileDialog(const char *name)
         opt_post_anim_cycle(0, GMSH_SET | GMSH_GUI, (int)dialog->b[1]->value());
         opt_post_anim_delay(0, GMSH_SET | GMSH_GUI, dialog->v[0]->value());
         opt_print_composite_windows(0, GMSH_SET | GMSH_GUI, (int)dialog->c[0]->value());
+        opt_print_delete_tmp_files(0, GMSH_SET | GMSH_GUI, (int)dialog->c[1]->value());
         CreateOutputFile(name, FORMAT_MPEG);
         dialog->window->hide();
         return 1;