itkMIDASImageUpdateRegionProcessor.h

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/*=============================================================================

  NifTK: A software platform for medical image computing.

  Copyright (c) University College London (UCL). All rights reserved.

  This software is distributed WITHOUT ANY WARRANTY; without even
  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  PURPOSE.

  See LICENSE.txt in the top level directory for details.

=============================================================================*/

#ifndef itkMIDASImageUpdateRegionProcessor_h
#define itkMIDASImageUpdateRegionProcessor_h

#include "itkMIDASImageUpdateProcessor.h"
#include <itkExtractImageFilter.h>
#include <itkPasteImageFilter.h>

namespace itk
{

template <class TPixel, unsigned int VImageDimension>
class ITK_EXPORT MIDASImageUpdateRegionProcessor : public MIDASImageUpdateProcessor<TPixel, VImageDimension> {

public:

  typedef MIDASImageUpdateRegionProcessor                    Self;
  typedef MIDASImageUpdateProcessor<TPixel, VImageDimension> Superclass;
  typedef SmartPointer<Self>                                 Pointer;
  typedef SmartPointer<const Self>                           ConstPointer;

  itkTypeMacro(MIDASImageUpdateRegionProcessor, MIDASImageUpdateProcessor);

  typedef TPixel PixelType;
  typedef Image<TPixel, VImageDimension>  ImageType;
  typedef typename ImageType::Pointer     ImagePointer;
  typedef typename ImageType::IndexType   IndexType;
  typedef typename ImageType::SizeType    SizeType;
  typedef typename ImageType::RegionType  RegionType;
  typedef itk::ExtractImageFilter<ImageType, ImageType> ExtractImageFilterType;
  typedef typename ExtractImageFilterType::Pointer      ExtractImageFilterPointer;
  typedef itk::PasteImageFilter<ImageType, ImageType>   PasteImageFilterType;
  typedef typename PasteImageFilterType::Pointer        PasteImageFilterPointer;

  itkSetMacro(DestinationRegionOfInterest, RegionType);
  itkGetMacro(DestinationRegionOfInterest, RegionType);

  void SetDestinationRegionOfInterest(std::vector<int> &region);

  virtual void Undo();

  virtual void Redo();

protected:
  MIDASImageUpdateRegionProcessor();
  void PrintSelf(std::ostream& os, Indent indent) const;
  virtual ~MIDASImageUpdateRegionProcessor() {}

  itkGetObjectMacro(AfterImage, ImageType);
  itkSetObjectMacro(AfterImage, ImageType);

  virtual void ApplyUpdateToAfterImage() = 0;

  virtual void ValidateInputs();

private:
  MIDASImageUpdateRegionProcessor(const Self&); //purposely not implemented
  void operator=(const Self&); //purposely not implemented

  void CopyImageRegionToDestination(ImagePointer sourceImage);

  bool         m_UpdateCalculated;
  RegionType   m_DestinationRegionOfInterest;
  ImagePointer m_BeforeImage;
  ImagePointer m_AfterImage;

};

}

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkMIDASImageUpdateRegionProcessor.txx"
#endif

#endif