? commit.msg
? out
Index: QVTKWidget.cxx
===================================================================
RCS file: /cvsroot/ParaView3/ParaView3/VTK/GUISupport/Qt/QVTKWidget.cxx,v
retrieving revision 1.34
diff -u -r1.34 QVTKWidget.cxx
--- QVTKWidget.cxx	6 Nov 2006 18:14:46 -0000	1.34
+++ QVTKWidget.cxx	9 Nov 2006 19:44:05 -0000
@@ -52,6 +52,7 @@
 #include "vtkConfigure.h"
 #include "vtkToolkits.h"
 #include "vtkUnsignedCharArray.h"
+#include "vtkRendererCollection.h"
 
 
 // function to get VTK keysyms from ascii characters
@@ -63,7 +64,6 @@
 static void dirty_cache(vtkObject *, unsigned long, void *, void *);
 
 
-
 #if QT_VERSION < 0x040000
 /*! constructor */
 QVTKWidget::QVTKWidget(QWidget* parent, const char* name, Qt::WFlags f)
@@ -315,6 +315,7 @@
   this->mRenWin->GetPixelData(0, 0, this->width()-1, this->height()-1, 1,
                               this->mCachedImage);
   this->cachedImageCleanFlag = true;
+  cacheTime.Modified();
   emit cachedImageClean();
 }
 
@@ -457,6 +458,21 @@
     return;
     }
 
+  // check that the cache is up to date
+  if (this->cachedImageCleanFlag)
+    {
+    vtkRendererCollection* rens = this->mRenWin->GetRenderers();
+    vtkCollectionSimpleIterator iter;
+    rens->InitTraversal(iter);
+    int numRenderers = rens->GetNumberOfItems();
+    for(int i=0; i<numRenderers; i++)
+      {
+      if(rens->GetNextRenderer(iter)->GetMTime() > cacheTime)
+        {
+        this->cachedImageCleanFlag = false;
+        }
+      }
+    }
   
   // if we have a saved image, use it
   if (this->cachedImageCleanFlag)
Index: QVTKWidget.h
===================================================================
RCS file: /cvsroot/ParaView3/ParaView3/VTK/GUISupport/Qt/QVTKWidget.h,v
retrieving revision 1.13
diff -u -r1.13 QVTKWidget.h
--- QVTKWidget.h	18 Jun 2006 20:13:16 -0000	1.13
+++ QVTKWidget.h	9 Nov 2006 19:44:05 -0000
@@ -238,6 +238,7 @@
   bool cachedImageCleanFlag;
   bool automaticImageCache;
   double maxImageCacheRenderRate;
+  vtkTimeStamp cacheTime;
   
 private:
   //! unimplemented operator=