itkBasicFiniteDifferenceBaseClassImageFilter.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 itkBasicFiniteDifferenceBaseClassImageFilter_h
#define itkBasicFiniteDifferenceBaseClassImageFilter_h
#include <itkImageToImageFilter.h>

namespace itk
{

template <class TInputImage, class TOutputImage>
class ITK_EXPORT BasicFiniteDifferenceBaseClassImageFilter
  : public ImageToImageFilter<TInputImage, TOutputImage>
{
public:
  typedef BasicFiniteDifferenceBaseClassImageFilter         Self;
  typedef ImageToImageFilter<TInputImage, TOutputImage>     Superclass;
  typedef SmartPointer<Self>                                Pointer;
  typedef SmartPointer<const Self>                          ConstPointer;
  typedef typename TInputImage::IndexType                   IndexType;
  typedef typename TInputImage::SizeType                    SizeType;
  typedef typename TInputImage::RegionType                  ImageRegionType;

  itkTypeMacro(BasicFiniteDifferenceBaseClassImageFilter, ImageToImageFilter);

  void PrintSelf(std::ostream& os, Indent indent) const;

  itkStaticConstMacro(Dimension, unsigned int, TInputImage::ImageDimension);

protected:

  BasicFiniteDifferenceBaseClassImageFilter();
  virtual ~BasicFiniteDifferenceBaseClassImageFilter();

  virtual void BeforeThreadedGenerateData();

  double d(int dimension, IndexType& location, TInputImage* image);

  double dd(int dimension, IndexType& location, TInputImage* image);

  double dd(int dimension1, int dimension2, IndexType& location, TInputImage* image);

  ImageRegionType CheckAndAdjustRegion(const ImageRegionType& region, TInputImage* image);

private:

  BasicFiniteDifferenceBaseClassImageFilter(const Self&); // purposely not implemented
  void operator=(const Self&); // purposely not implemented

};

} // end namespace itk

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

#endif