itkCyclicShiftImageFilter.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
#ifndef itkCyclicShiftImageFilter_h
#define itkCyclicShiftImageFilter_h

#include "itkImageToImageFilter.h"

namespace itk
{
template< typename TInputImage, typename TOutputImage = TInputImage >
class CyclicShiftImageFilter:
  public ImageToImageFilter< TInputImage, TOutputImage >
{
public:
  typedef CyclicShiftImageFilter                          Self;
  typedef ImageToImageFilter< TInputImage, TOutputImage > Superclass;
  typedef SmartPointer< Self >                            Pointer;
  typedef SmartPointer< const Self >                      ConstPointer;

  typedef TInputImage                               InputImageType;
  typedef TOutputImage                              OutputImageType;
  typedef typename InputImageType::Pointer          InputImagePointer;
  typedef typename InputImageType::ConstPointer     InputImageConstPointer;
  typedef typename InputImageType::RegionType       InputImageRegionType;
  typedef typename InputImageType::PixelType        InputImagePixelType;
  typedef typename OutputImageType::Pointer         OutputImagePointer;
  typedef typename OutputImageType::ConstPointer    OutputImageConstPointer;
  typedef typename OutputImageType::RegionType      OutputImageRegionType;
  typedef typename OutputImageType::PixelType       OutputImagePixelType;
  typedef typename OutputImageType::IndexType       IndexType;
  typedef typename OutputImageType::SizeType        SizeType;
  typedef typename OutputImageType::OffsetType      OffsetType;
  typedef typename OutputImageType::OffsetValueType OffsetValueType;

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

  itkNewMacro(Self);

  itkTypeMacro(CyclicShiftImageFilter, ImageToImageFilter);

  itkSetMacro(Shift, OffsetType);
  itkGetConstMacro(Shift, OffsetType);

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

  void GenerateInputRequestedRegion() ITK_OVERRIDE;

  void  ThreadedGenerateData(const OutputImageRegionType &
                             outputRegionForThread,
                             ThreadIdType threadId) ITK_OVERRIDE;

  OffsetType m_Shift;

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

}; // end of class
} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkCyclicShiftImageFilter.hxx"
#endif


#endif