itkRegionGrowImageFilter.h

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/*=========================================================================
 *
 *  Copyright NumFOCUS
 *
 *  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
 *
 *         https://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 itkRegionGrowImageFilter_h
#define itkRegionGrowImageFilter_h
 
#include "itkObject.h"
#include "itkImageToImageFilter.h"
 
namespace itk
{
template <typename TInputImage, typename TOutputImage>
class ITK_TEMPLATE_EXPORT RegionGrowImageFilter : public ImageToImageFilter<TInputImage, TOutputImage>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(RegionGrowImageFilter);

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

  itkOverrideGetNameOfClassMacro(RegionGrowImageFilter);

  using InputImageType = TInputImage;
  using InputImagePointer = typename TInputImage::Pointer;
  using InputImageConstPointer = typename TInputImage::ConstPointer;

  using InputImagePixelType = typename TInputImage::PixelType;

  using OutputImageType = TOutputImage;
  using OutputImagePointer = typename TOutputImage::Pointer;

  using OutputImagePixelType = typename TOutputImage::PixelType;

  using GridSizeType = typename TInputImage::SizeType;

  itkSetMacro(GridSize, GridSizeType);
  itkGetConstReferenceMacro(GridSize, GridSizeType);

  itkSetMacro(MaximumNumberOfRegions, unsigned int);
  itkGetConstReferenceMacro(MaximumNumberOfRegions, unsigned int);

  virtual void
  ApplyRegionGrowImageFilter() = 0;

  virtual void
  MergeRegions() = 0;
 
protected:
  RegionGrowImageFilter();
  ~RegionGrowImageFilter() override = default;
  void
  PrintSelf(std::ostream & os, Indent indent) const override;
 
private:
  unsigned int m_MaximumNumberOfRegions{};
 
  GridSizeType m_GridSize{};
}; // class RegionGrowImageFilter
} // namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkRegionGrowImageFilter.hxx"
#endif
 
#endif