itkScalarImageToCooccurrenceListSampleFilter.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
 *
 *         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 itkScalarImageToCooccurrenceListSampleFilter_h
#define itkScalarImageToCooccurrenceListSampleFilter_h
 
#include <typeinfo>
 
#include "itkImageToListSampleFilter.h"
#include "itkSmartPointer.h"
#include "itkImageRegionIterator.h"
#include "itkShapedNeighborhoodIterator.h"
#include "itkNeighborhoodAlgorithm.h"
#include "itkConstantBoundaryCondition.h"
#include "itkFixedArray.h"
 
#include <vector>
#include <algorithm>
#include <iostream>
 
namespace itk
{
namespace Statistics
{
template <typename TImage>
class ITK_TEMPLATE_EXPORT ScalarImageToCooccurrenceListSampleFilter : public ProcessObject
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(ScalarImageToCooccurrenceListSampleFilter);
 
  using ImageType = TImage;
 
  using MeasurementVectorType = FixedArray<typename TImage::PixelType, 2>;
 
  using SampleType = itk::Statistics::ListSample<MeasurementVectorType>;
  using MeasurementVectorSizeType = typename SampleType::MeasurementVectorSizeType;
 
  using Self = ScalarImageToCooccurrenceListSampleFilter;
  using Superclass = ProcessObject;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;
 
  using ShapedNeighborhoodIteratorType = itk::ShapedNeighborhoodIterator<TImage, ConstantBoundaryCondition<TImage>>;
 
  using OffsetType = typename ShapedNeighborhoodIteratorType::OffsetType;
  using OffsetTable = std::vector<OffsetType>;
 
  void
  UseNeighbor(const OffsetType & offset);
 
  using Superclass::SetInput;
  void
  SetInput(const ImageType * image);
 
  const ImageType *
  GetInput() const;
 
  const SampleType *
  GetOutput() const;
 
  itkTypeMacro(ScalarImageToCooccurrenceListSampleFilter, ProcessObject);
 
  itkNewMacro(Self);
 
  static constexpr unsigned int MeasurementVectorSize = 2;
 
  static constexpr unsigned int ImageDimension = TImage::ImageDimension;
 
protected:
  ScalarImageToCooccurrenceListSampleFilter();
  ~ScalarImageToCooccurrenceListSampleFilter() override = default;
  void
  PrintSelf(std::ostream & os, Indent indent) const override;
 
  using DataObjectPointer = DataObject::Pointer;
  using DataObjectPointerArraySizeType = ProcessObject::DataObjectPointerArraySizeType;
  using Superclass::MakeOutput;
  DataObjectPointer
  MakeOutput(DataObjectPointerArraySizeType idx) override;
 
  void
  GenerateData() override;
 
private:
  OffsetTable m_OffsetTable;
}; // end of class ScalarImageToListSampleFilter
} // end of namespace Statistics
} // end of namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkScalarImageToCooccurrenceListSampleFilter.hxx"
#endif
 
#endif