itkApproximateSignedDistanceMapImageFilter.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  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 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_ASSIGN(ApproximateSignedDistanceMapImageFilter);

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

  itkTypeMacro(ApproximateSignedDistanceMapImageFilter, ImageToImageFilter);

  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