Strain/include/itkSplitComponentsImageFilter.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 itkSplitComponentsImageFilter_h
#define itkSplitComponentsImageFilter_h

#include "itkFixedArray.h"
#include "itkImageToImageFilter.h"

namespace itk
{

template< typename TInputImage, typename TOutputImage, unsigned int TComponents = TInputImage::ImageDimension >
class SplitComponentsImageFilter:
  public ImageToImageFilter< TInputImage, TOutputImage >
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(SplitComponentsImageFilter);

  static constexpr unsigned int ImageDimension = TInputImage::ImageDimension;

  static constexpr unsigned int Components = TComponents;

  using InputImageType = TInputImage;
  using OutputImageType = TOutputImage;
  using InputPixelType = typename InputImageType::PixelType;
  using OutputPixelType = typename OutputImageType::PixelType;
  using OutputRegionType = typename OutputImageType::RegionType;

  using Self = SplitComponentsImageFilter;
  using Superclass = ImageToImageFilter< InputImageType, OutputImageType >;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  using ComponentsMaskType = FixedArray< bool, TComponents >;

  itkTypeMacro( SplitComponentsImageFilter, ImageToImageFilter );

  itkNewMacro( Self );

  itkSetMacro( ComponentsMask, ComponentsMaskType );
  itkGetConstReferenceMacro( ComponentsMask, ComponentsMaskType );

protected:
  SplitComponentsImageFilter();
  ~SplitComponentsImageFilter() override {}

  void AllocateOutputs() override;

  void DynamicThreadedGenerateData( const OutputRegionType& outputRegion ) override;

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

private:
  ComponentsMaskType m_ComponentsMask;
};

} // end namespace itk

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

#endif