//BasicViewerWidget<TImage>::BasicViewerWidget(TImage* const image, Mask* const mask) :
BasicViewerWidget<TImage>::BasicViewerWidget(typename TImage::Pointer image, Mask::Pointer mask) :
  Image(image), MaskImage(mask)
{
  qRegisterMetaType<itk::ImageRegion<2> >("itkImageRegion");

  this->setupUi(this);

  int dims[3];
  this->ImageLayer.ImageData->GetDimensions(dims);

  typename TImage::Pointer tempImage = TImage::New();
  ITKHelpers::DeepCopy(image.GetPointer(), tempImage.GetPointer());

  typename TImage::PixelType zeroPixel(tempImage->GetNumberOfComponentsPerPixel());
  zeroPixel = itk::NumericTraits<typename TImage::PixelType>::ZeroValue(zeroPixel);
  mask->ApplyToImage(tempImage.GetPointer(), zeroPixel);
  ITKVTKHelpers::ITKVectorImageToVTKImageFromDimension(tempImage.GetPointer(), this->ImageLayer.ImageData);

//   if(chkScaleImage->isChecked())
//   {
//     VTKHelpers::ScaleImage(this->ImageLayer.ImageData);
//   }

  this->ImageDimension[0] = dims[0];
  this->ImageDimension[1] = dims[1];
  this->ImageDimension[2] = dims[2];

  SetupScenes();

//  this->InteractorStyle = vtkSmartPointer<InteractorStyleImageWithDrag>::New();
  this->InteractorStyle = vtkSmartPointer<vtkInteractorStyleImage>::New();

  this->Renderer = vtkSmartPointer<vtkRenderer>::New();
  this->qvtkWidget->GetRenderWindow()->AddRenderer(this->Renderer);

  this->Renderer->AddViewProp(ImageLayer.ImageSlice);

  this->InteractorStyle->SetCurrentRenderer(this->Renderer);
  this->qvtkWidget->GetRenderWindow()->GetInteractor()->SetInteractorStyle(this->InteractorStyle);
//  this->InteractorStyle->Init();

//  this->Camera = new ImageCamera(this->Renderer);
  this->ItkVtkCamera = new ITKVTKCamera(this->InteractorStyle, this->Renderer,
                                        this->qvtkWidget->GetRenderWindow());
  this->ItkVtkCamera->SetCameraPositionPNG();
}
ManualPatchSelectionDialog<TImage>::ManualPatchSelectionDialog(TImage* const image, Mask* const mask,
                                                               const itk::ImageRegion<2>& targetRegion)
: Image(image), MaskImage(mask), TargetRegion(targetRegion)
{
  // Allow the type itkImageRegion to be used in signals/slots.
  qRegisterMetaType<itk::ImageRegion<2> >("itkImageRegion");

  this->setupUi(this);

  this->ImageLayer.ImageSlice->SetDragable(false);
  this->ImageLayer.ImageSlice->SetPickable(false);

  typename TImage::Pointer tempImage = TImage::New();
  ITKHelpers::DeepCopy(image, tempImage.GetPointer());
  typename TImage::PixelType zeroPixel(tempImage->GetNumberOfComponentsPerPixel());
  zeroPixel.Fill(0);
  mask->ApplyToImage(tempImage.GetPointer(), zeroPixel);
  ITKVTKHelpers::ITKVectorImageToVTKImageFromDimension(tempImage.GetPointer(), this->ImageLayer.ImageData);

  SetupScenes();

  this->Renderer = vtkSmartPointer<vtkRenderer>::New();
  this->InteractorStyle = vtkSmartPointer<InteractorStyleImageWithDrag>::New();

  this->qvtkWidget->GetRenderWindow()->AddRenderer(this->Renderer);

  this->Renderer->AddViewProp(ImageLayer.ImageSlice);

  // Per the comment in InteractorStyleImageWithDrag, the next 3 lines must be in this order
  this->InteractorStyle->SetCurrentRenderer(this->Renderer);
  this->qvtkWidget->GetRenderWindow()->GetInteractor()->SetInteractorStyle(this->InteractorStyle);
  this->InteractorStyle->Init();

  this->PatchSelector = new MovablePatch(this->TargetRegion.GetSize()[0]/2, this->InteractorStyle, this->gfxSource);

  // slot_UpdateImage();

  this->Renderer->ResetCamera();
  this->qvtkWidget->GetRenderWindow()->Render();
  // this->Camera = new ImageCamera(this->Renderer);

  connect(this->PatchSelector, SIGNAL(signal_PatchMoved()), this, SLOT(slot_PatchMoved()));
}