itkBinaryPruningImageFilter.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 itkBinaryPruningImageFilter_h
#define itkBinaryPruningImageFilter_h

#include "itkImageToImageFilter.h"
#include "itkImageRegionIteratorWithIndex.h"
#include "itkNeighborhoodIterator.h"

namespace itk
{
template< typename TInputImage, typename TOutputImage >
class ITK_TEMPLATE_EXPORT BinaryPruningImageFilter:
  public ImageToImageFilter< TInputImage, TOutputImage >
{
public:
  ITK_DISALLOW_COPY_AND_ASSIGN(BinaryPruningImageFilter);

  using Self = BinaryPruningImageFilter;
  using Superclass = ImageToImageFilter< TInputImage, TOutputImage >;
  using Pointer = SmartPointer< Self >;
  using ConstPointer = SmartPointer< const Self >;

  itkNewMacro(Self);

  itkTypeMacro(BinaryPruningImageFilter, ImageToImageFilter);

  using InputImageType = TInputImage;

  using OutputImageType = TOutputImage;

  using RegionType = typename InputImageType::RegionType;

  using IndexType = typename RegionType::IndexType;

  using PixelType = typename InputImageType::PixelType;

  using SizeType = typename RegionType::SizeType;

  using InputImagePointer = typename InputImageType::ConstPointer;

  using OutputImagePointer = typename OutputImageType::Pointer;

  using NeighborhoodIteratorType = NeighborhoodIterator< TInputImage >;

  OutputImageType * GetPruning();

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

  static constexpr unsigned int InputImageDimension = TInputImage::ImageDimension;
  static constexpr unsigned int OutputImageDimension = TOutputImage::ImageDimension;

#ifdef ITK_USE_CONCEPT_CHECKING
  // Begin concept checking
  itkConceptMacro( SameDimensionCheck,
                   ( Concept::SameDimension< InputImageDimension, OutputImageDimension > ) );
  itkConceptMacro( SameTypeCheck,
                   ( Concept::SameType< PixelType, typename TOutputImage::PixelType > ) );
  itkConceptMacro( AdditiveOperatorsCheck,
                   ( Concept::AdditiveOperators< PixelType > ) );
  itkConceptMacro( IntConvertibleToPixelTypeCheck,
                   ( Concept::Convertible< int, PixelType > ) );
  itkConceptMacro( PixelLessThanIntCheck,
                   ( Concept::LessThanComparable< PixelType, int > ) );
  // End concept checking
#endif

protected:
  BinaryPruningImageFilter();
  ~BinaryPruningImageFilter() override = default;
  void PrintSelf(std::ostream & os, Indent indent) const override;

  void GenerateData() override;

  void PrepareData();

  void ComputePruneImage();

private:
  unsigned int m_Iteration;
}; // end of BinaryThinningImageFilter class
} //end namespace itk

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

#endif