From a6ea44eedda768b674fbd77f6aa10b121c122ebd Mon Sep 17 00:00:00 2001
From: Romulo Pinho <romulo.pinho@lyon.unicancer.fr>
Date: Fri, 29 Jun 2012 10:58:49 +0200
Subject: [PATCH] VTK compatibility

- BlendImageActor issue with legacy VTK versions
---
 vv/vvBlendImageActor.cxx |  2 +-
 vv/vvBlendImageActor.h   | 11 +++++++++--
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/vv/vvBlendImageActor.cxx b/vv/vvBlendImageActor.cxx
index 466083a..2093c7d 100644
--- a/vv/vvBlendImageActor.cxx
+++ b/vv/vvBlendImageActor.cxx
@@ -47,7 +47,7 @@ void vvBlendImageActor::Render(vtkRenderer *ren)
   }
 
   //Call normal render
-  vtkImageActor::Render(ren);
+  VTK_IMAGE_ACTOR::Render(ren);
 
   //Move back blending to weighted sum
   if (vtkgl::BlendEquationEXT!=0) {
diff --git a/vv/vvBlendImageActor.h b/vv/vvBlendImageActor.h
index 0abe616..bb2e066 100644
--- a/vv/vvBlendImageActor.h
+++ b/vv/vvBlendImageActor.h
@@ -21,13 +21,20 @@
 
 #include <vtkActor.h>
 #include <vtkSmartPointer.h>
+
+#if VTK_MAJOR_VERSION >= 5 && VTK_MINOR_VERSION >= 10
+#define VTK_IMAGE_ACTOR vtkImageActor
 #include <vtkImageActor.h>
+#else
+#define VTK_IMAGE_ACTOR vtkOpenGLImageActor
+#include <vtkOpenGLImageActor.h>
+#endif
 
-class vvBlendImageActor : public vtkImageActor
+class vvBlendImageActor : public VTK_IMAGE_ACTOR
 {
 public:
   static vvBlendImageActor *New();
-  vtkTypeMacro(vvBlendImageActor, vtkImageActor);
+  vtkTypeMacro(vvBlendImageActor, VTK_IMAGE_ACTOR);
   virtual void PrintSelf(ostream& os, vtkIndent indent);
 
   // Description:
-- 
2.47.1