itkContourMeanDistanceImageFilter.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 itkContourMeanDistanceImageFilter_h
#define itkContourMeanDistanceImageFilter_h
 
#include "itkImageToImageFilter.h"
#include "itkNumericTraits.h"
 
namespace itk
{
template <typename TInputImage1, typename TInputImage2>
class ITK_TEMPLATE_EXPORT ContourMeanDistanceImageFilter : public ImageToImageFilter<TInputImage1, TInputImage1>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(ContourMeanDistanceImageFilter);

  using Self = ContourMeanDistanceImageFilter;
  using Superclass = ImageToImageFilter<TInputImage1, TInputImage1>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;

  itkNewMacro(Self);

  itkOverrideGetNameOfClassMacro(ContourMeanDistanceImageFilter);

  using InputImage1Type = TInputImage1;
  using InputImage2Type = TInputImage2;
  using InputImage1Pointer = typename TInputImage1::Pointer;
  using InputImage2Pointer = typename TInputImage2::Pointer;
  using InputImage1ConstPointer = typename TInputImage1::ConstPointer;
  using InputImage2ConstPointer = typename TInputImage2::ConstPointer;
 
  using RegionType = typename TInputImage1::RegionType;
  using SizeType = typename TInputImage1::SizeType;
  using IndexType = typename TInputImage1::IndexType;
 
  using InputImage1PixelType = typename TInputImage1::PixelType;
  using InputImage2PixelType = typename TInputImage2::PixelType;

  static constexpr unsigned int ImageDimension = TInputImage1::ImageDimension;

  using RealType = typename NumericTraits<InputImage1PixelType>::RealType;

  void
  SetInput1(const InputImage1Type * image);

  void
  SetInput2(const InputImage2Type * image);

  const InputImage1Type *
  GetInput1();

  const InputImage2Type *
  GetInput2();

  itkGetConstMacro(MeanDistance, RealType);

  itkSetMacro(UseImageSpacing, bool);
  itkGetConstMacro(UseImageSpacing, bool);
  itkBooleanMacro(UseImageSpacing);
 
  itkConceptMacro(InputHasNumericTraitsCheck, (Concept::HasNumericTraits<InputImage1PixelType>));
 
protected:
  ContourMeanDistanceImageFilter();
  ~ContourMeanDistanceImageFilter() override = default;
  void
  PrintSelf(std::ostream & os, Indent indent) const override;

  void
  GenerateData() override;
 
  // Override since the filter needs all the data for the algorithm
  void
  GenerateInputRequestedRegion() override;
 
  // Override since the filter produces all of its output
  void
  EnlargeOutputRequestedRegion(DataObject * data) override;
 
private:
  RealType m_MeanDistance{};
  bool     m_UseImageSpacing{ true };
}; // end of class
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkContourMeanDistanceImageFilter.hxx"
#endif
 
#endif