From ffa30ffca0e90ece637fadde1f3dd65166f20ab4 Mon Sep 17 00:00:00 2001
From: schaerer <schaerer>
Date: Wed, 4 Aug 2010 16:15:51 +0000
Subject: [PATCH] attempt to fix some leaks. Note that vv still leaks: memory
 is never given back to the OS when an image is closed

---
 common/vvFromITK.h               | 4 ++--
 common/vvImage.cxx               | 1 +
 itk/itkImageToVTKImageFilter.txx | 4 ++++
 vv/vvImageReader.txx             | 5 +++--
 4 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/common/vvFromITK.h b/common/vvFromITK.h
index 8187051..fb1e882 100644
--- a/common/vvFromITK.h
+++ b/common/vvFromITK.h
@@ -80,7 +80,7 @@ template<unsigned int Dim, class PixelType> vvImage::Pointer vvImageFromITK(type
                 return vv_image;
             }
             vtkImageData *image = vtkImageData::New();
-            image->DeepCopy(connector->GetOutput());
+            image->ShallowCopy(connector->GetOutput());
             vv_image->AddImage(image);
         }
         vv_image->SetTimeSpacing(input->GetSpacing()[Dim-1]);
@@ -102,7 +102,7 @@ template<unsigned int Dim, class PixelType> vvImage::Pointer vvImageFromITK(type
             return vv_image;
         }
         vtkImageData *image = vtkImageData::New();
-        image->DeepCopy(connector->GetOutput());
+        image->ShallowCopy(connector->GetOutput());
         vv_image->AddImage(image);
     }
     return vv_image;
diff --git a/common/vvImage.cxx b/common/vvImage.cxx
index 55a56ef..4675cf5 100644
--- a/common/vvImage.cxx
+++ b/common/vvImage.cxx
@@ -50,6 +50,7 @@ void vvImage::Init()
 //--------------------------------------------------------------------
 vvImage::~vvImage()
 {
+  DD("vvImage got deleted!");
   Reset();
 }
 //--------------------------------------------------------------------
diff --git a/itk/itkImageToVTKImageFilter.txx b/itk/itkImageToVTKImageFilter.txx
index 5bce506..25fcf7c 100644
--- a/itk/itkImageToVTKImageFilter.txx
+++ b/itk/itkImageToVTKImageFilter.txx
@@ -65,6 +65,10 @@ ImageToVTKImageFilter<TInputImage>
     m_Importer->Delete();
     m_Importer = 0;
   }
+  if ( m_Exporter ) {
+    m_Exporter->Delete();
+    m_Exporter = 0;
+  }
 }
 
 
diff --git a/vv/vvImageReader.txx b/vv/vvImageReader.txx
index fd1c575..d0247fe 100644
--- a/vv/vvImageReader.txx
+++ b/vv/vvImageReader.txx
@@ -100,8 +100,9 @@ void vvImageReader::UpdateWithDimAndInputPixelType()
         std::cerr << "Error while setting vvImage from ITK (MERGEDWITHTIME)"
                   << " " << err << std::endl;
       }
-      vtkImageData *image = vtkImageData::New();
-      image->DeepCopy(connector->GetOutput());
+      //vtkImageData *image = vtkImageData::New();
+      //image->ShallowCopy(connector->GetOutput());
+      vtkImageData *image = connector->GetOutput();
       mImage->AddImage(image);
     }
   } else {
-- 
2.47.1