ENH: Merge changes from main tree into VTK-5-0 branch. (cvs -q up -j1.46...

ENH: Merge changes from main tree into VTK-5-0 branch. (cvs -q up -j1.46 -j1.47 Imaging/vtkImageCanvasSource2D.cxx)

Imaging/vtkImageCanvasSource2D.cxx

@@ -41,7 +41,7 @@ public:
 
 
 
-vtkCxxRevisionMacro(vtkImageCanvasSource2D, "1.44");
+vtkCxxRevisionMacro(vtkImageCanvasSource2D, "1.44.4.1");
 vtkStandardNewMacro(vtkImageCanvasSource2D);
 
 //----------------------------------------------------------------------------
@@ -50,11 +50,19 @@ vtkImageCanvasSource2D::vtkImageCanvasSource2D()
 {
   this->SetNumberOfInputPorts(0);
 
+  this->ImageData = vtkImageData::New();
+  this->ImageData->SetScalarType(VTK_DOUBLE);
+
+  this->WholeExtent[0] = 0;
+  this->WholeExtent[1] = 0;
+  this->WholeExtent[2] = 0;
+  this->WholeExtent[3] = 0;
+  this->WholeExtent[4] = 0;
+  this->WholeExtent[5] = 0;
+
   this->DrawColor[0] = this->DrawColor[1] =
     this->DrawColor[2] = this->DrawColor[3] = 0.0;
 
-  this->ImageData = vtkImageData::New();
-  this->ImageData->SetScalarType(VTK_DOUBLE);
   this->DefaultZ = 0;
 
   this->Ratio[0] = this->Ratio[1] = this->Ratio[2] = 1.0;