itkApproximateSignedDistanceMapImageFilter.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 itkApproximateSignedDistanceMapImageFilter_h
#define itkApproximateSignedDistanceMapImageFilter_h
 
#include "itkFastChamferDistanceImageFilter.h"
#include "itkIsoContourDistanceImageFilter.h"
 
namespace itk
{
template <typename TInputImage, typename TOutputImage>
class ITK_TEMPLATE_EXPORT ApproximateSignedDistanceMapImageFilter : public ImageToImageFilter<TInputImage, TOutputImage>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(ApproximateSignedDistanceMapImageFilter);
 
  using Self = ApproximateSignedDistanceMapImageFilter;
  using Superclass = ImageToImageFilter<TInputImage, TOutputImage>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;
 
  itkOverrideGetNameOfClassMacro(ApproximateSignedDistanceMapImageFilter);
 
  itkNewMacro(Self);
 
  using InputImageType = TInputImage;
 
  using OutputImageType = TOutputImage;
 
  using InputPixelType = typename InputImageType::PixelType;
 
  using OutputPixelType = typename OutputImageType::PixelType;
 
  using OutputSizeType = typename OutputImageType::SizeType;
  using OutputSizeValueType = typename OutputSizeType::SizeValueType;
 
  static constexpr unsigned int InputImageDimension = InputImageType::ImageDimension;
 
  using InputImagePointer = typename InputImageType::ConstPointer;
 
  using OutputImagePointer = typename OutputImageType::Pointer;
 
  itkSetMacro(InsideValue, InputPixelType);
  itkGetConstMacro(InsideValue, InputPixelType);
  itkSetMacro(OutsideValue, InputPixelType);
  itkGetConstMacro(OutsideValue, InputPixelType);
#ifdef ITK_USE_CONCEPT_CHECKING
  // Begin concept checking
  itkConceptMacro(InputEqualityComparableCheck, (Concept::EqualityComparable<typename InputImageType::PixelType>));
  // End concept checking
#endif
 
protected:
  ApproximateSignedDistanceMapImageFilter();
  ~ApproximateSignedDistanceMapImageFilter() override = default;
  void
  GenerateData() override;
 
  void
  PrintSelf(std::ostream & os, Indent indent) const override;
 
private:
  using IsoContourType = IsoContourDistanceImageFilter<InputImageType, OutputImageType>;
  using ChamferType = FastChamferDistanceImageFilter<OutputImageType, OutputImageType>;
  typename IsoContourType::Pointer m_IsoContourFilter{};
 
  typename ChamferType::Pointer m_ChamferFilter{};
 
  InputPixelType m_InsideValue{};
  InputPixelType m_OutsideValue{};
};
} // end of namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkApproximateSignedDistanceMapImageFilter.hxx"
#endif
 
#endif