gdcm_vtk8.patch

diff --git a/Utilities/VTK/vtkGDCMPolyDataWriter.cxx b/Utilities/VTK/vtkGDCMPolyDataWriter.cxx
index e2c661c39..62eda25f5 100644
--- a/Utilities/VTK/vtkGDCMPolyDataWriter.cxx
+++ b/Utilities/VTK/vtkGDCMPolyDataWriter.cxx
@@ -586,7 +586,11 @@ void vtkGDCMPolyDataWriter::WriteRTSTRUCTData(gdcm::File &file, int pdidx )
   if( darray )
     {
     double tuple[3];
+#if (VTK_MAJOR_VERSION >= 8)
+    darray->GetTypedTuple( 0, tuple );
+#else
     darray->GetTupleValue( 0, tuple );
+#endif
     intcolor[0] = (int32_t)(tuple[0] * 255.);
     intcolor[1] = (int32_t)(tuple[1] * 255.);
     intcolor[2] = (int32_t)(tuple[2] * 255.);
@@ -594,7 +598,12 @@ void vtkGDCMPolyDataWriter::WriteRTSTRUCTData(gdcm::File &file, int pdidx )
   else if( farray )
     {
     float ftuple[3];
+
+#if (VTK_MAJOR_VERSION >= 8)
+    farray->GetTypedTuple( 0, ftuple );
+#else
     farray->GetTupleValue( 0, ftuple );
+#endif
     intcolor[0] = (int32_t)(ftuple[0] * 255.);
     intcolor[1] = (int32_t)(ftuple[1] * 255.);
     intcolor[2] = (int32_t)(ftuple[2] * 255.);
diff --git a/Utilities/VTK/vtkImageColorViewer.cxx b/Utilities/VTK/vtkImageColorViewer.cxx
index 3d6df39ee..3a24595dd 100644
--- a/Utilities/VTK/vtkImageColorViewer.cxx
+++ b/Utilities/VTK/vtkImageColorViewer.cxx
@@ -539,7 +539,10 @@ public:
 
       if (event == vtkCommand::ResetWindowLevelEvent)
         {
-#if (VTK_MAJOR_VERSION >= 6)
+#if (VTK_MAJOR_VERSION >= 8)
+        this->IV->GetInputAlgorithm()->UpdateInformation();
+        this->IV->GetInputAlgorithm()->Update();
+#elif (VTK_MAJOR_VERSION >= 6)
         this->IV->GetInputAlgorithm()->UpdateInformation();
         vtkStreamingDemandDrivenPipeline::SetUpdateExtent(
           this->IV->GetInputInformation(),