itkMovingHistogramImageFilter.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 itkMovingHistogramImageFilter_h
#define itkMovingHistogramImageFilter_h
 
#include "itkMovingHistogramImageFilterBase.h"
#include "itkLexicographicCompare.h"
 
namespace itk
{
 
template <typename TInputImage, typename TOutputImage, typename TKernel, typename THistogram>
class ITK_TEMPLATE_EXPORT MovingHistogramImageFilter
  : public MovingHistogramImageFilterBase<TInputImage, TOutputImage, TKernel>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(MovingHistogramImageFilter);

  using Self = MovingHistogramImageFilter;
  using Superclass = MovingHistogramImageFilterBase<TInputImage, TOutputImage, TKernel>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;

  itkNewMacro(Self);

  itkOverrideGetNameOfClassMacro(MovingHistogramImageFilter);

  using InputImageType = TInputImage;
  using OutputImageType = TOutputImage;
  using RegionType = typename TInputImage::RegionType;
  using SizeType = typename TInputImage::SizeType;
  using IndexType = typename TInputImage::IndexType;
  using PixelType = typename TInputImage::PixelType;
  using OffsetType = typename TInputImage::OffsetType;
  using typename Superclass::OutputImageRegionType;
  using OutputPixelType = typename TOutputImage::PixelType;

  static constexpr unsigned int ImageDimension = TInputImage::ImageDimension;

  using KernelType = TKernel;

  using KernelIteratorType = typename KernelType::ConstIterator;

  using RadiusType = typename KernelType::SizeType;
 
  using OffsetListType = typename std::list<OffsetType>;
 
  using OffsetMapType = typename std::map<OffsetType, OffsetListType, Functor::LexicographicCompare>;

  virtual void
  ConfigureHistogram(THistogram &)
  {}
 
protected:
  MovingHistogramImageFilter();
  ~MovingHistogramImageFilter() override = default;

  void
  DynamicThreadedGenerateData(const OutputImageRegionType & outputRegionForThread) override;
 
 
  // declare the type used to store the histogram
  using HistogramType = THistogram;
 
  void
  PushHistogram(HistogramType &        histogram,
                const OffsetListType * addedList,
                const OffsetListType * removedList,
                const RegionType &     inputRegion,
                const RegionType &     kernRegion,
                const InputImageType * inputImage,
                const IndexType        currentIdx);
}; // end of class
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkMovingHistogramImageFilter.hxx"
#endif
 
#endif