itkSliceBySliceImageFilter.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 __itkSliceBySliceImageFilter_h
#define __itkSliceBySliceImageFilter_h

#include "itkImageToImageFilter.h"

namespace itk
{
template< class TInputImage,
          class TOutputImage,
          class TInputFilter = ImageToImageFilter<
            Image< typename TInputImage::PixelType,  ::itk::GetImageDimension< TInputImage >::ImageDimension - 1 >,
            Image< typename TOutputImage::PixelType, ::itk::GetImageDimension< TOutputImage >::ImageDimension - 1 > >,
          class TOutputFilter = typename TInputFilter::Superclass,
          class TInternalInputImage = typename TInputFilter::InputImageType,
          class TInternalOutputImage = typename TOutputFilter::OutputImageType >
class ITK_EXPORT SliceBySliceImageFilter:
  public ImageToImageFilter< TInputImage, TOutputImage >
{
public:
  typedef SliceBySliceImageFilter                         Self;
  typedef ImageToImageFilter< TInputImage, TOutputImage > Superclass;
  typedef SmartPointer< Self >                            Pointer;
  typedef SmartPointer< const Self >                      ConstPointer;

  typedef typename Superclass::InputImagePointer InputImagePointer;

  itkNewMacro(Self);

  itkTypeMacro(SliceBySliceImageFilter, ImageToImageFilter);

  typedef TInputImage                      InputImageType;
  typedef typename TInputImage::RegionType RegionType;
  typedef typename TInputImage::SizeType   SizeType;
  typedef typename TInputImage::IndexType  IndexType;
  typedef typename TInputImage::PixelType  PixelType;
  typedef typename TInputImage::OffsetType OffsetType;

  typedef TOutputImage                     OutputImageType;
  typedef typename TOutputImage::PixelType OutputPixelType;

  typedef TInputFilter  InputFilterType;
  typedef TOutputFilter OutputFilterType;

  typedef TInternalInputImage                         InternalInputImageType;
  typedef typename InternalInputImageType::RegionType InternalRegionType;
  typedef typename InternalInputImageType::SizeType   InternalSizeType;
  typedef typename InternalInputImageType::IndexType  InternalIndexType;
  typedef typename InternalInputImageType::OffsetType InternalOffsetType;
  typedef typename InternalInputImageType::PixelType  InternalInputPixelType;

  typedef TInternalOutputImage                        InternalOutputImageType;
  typedef typename InternalOutputImageType::PixelType InternalOutputPixelType;

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

  itkStaticConstMacro(InternalImageDimension, unsigned int,
                      InternalInputImageType::ImageDimension);

  itkSetMacro(Dimension, unsigned int);
  itkGetConstMacro(Dimension, unsigned int);

  void SetFilter(InputFilterType *filter);

  InputFilterType * GetFilter()
  {
    return this->m_InputFilter;
  }

  const InputFilterType * GetFilter() const
  {
    return this->m_InputFilter;
  }

  void SetInputFilter(InputFilterType *filter);

  itkGetObjectMacro(InputFilter, InputFilterType);

  void SetOutputFilter(OutputFilterType *filter);

  itkGetObjectMacro(OutputFilter, OutputFilterType);

  itkGetConstMacro(SliceIndex, IndexValueType);
protected:
  SliceBySliceImageFilter();
  ~SliceBySliceImageFilter() {}

  void GenerateData();

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

  void GenerateInputRequestedRegion();

  void EnlargeOutputRequestedRegion( DataObject *itkNotUsed(output) );
private:
  SliceBySliceImageFilter(const Self &); //purposely not implemented
  void operator=(const Self &);          //purposely not implemented

  unsigned int m_Dimension;

  typename InputFilterType::Pointer m_InputFilter;

  typename OutputFilterType::Pointer m_OutputFilter;

  IndexValueType m_SliceIndex;
};
}

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

#endif