itkZeroFluxNeumannBoundaryCondition.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 itkZeroFluxNeumannBoundaryCondition_h
#define itkZeroFluxNeumannBoundaryCondition_h
#include "itkImageBoundaryCondition.h"
 
namespace itk
{
template <typename TInputImage, typename TOutputImage = TInputImage>
class ITK_TEMPLATE_EXPORT ZeroFluxNeumannBoundaryCondition : public ImageBoundaryCondition<TInputImage, TOutputImage>
{
public:
  using Self = ZeroFluxNeumannBoundaryCondition;
  using Superclass = ImageBoundaryCondition<TInputImage, TOutputImage>;
 
  itkOverrideGetNameOfClassMacro(ZeroFluxNeumannBoundaryCondition);
 
  using typename Superclass::PixelType;
  using typename Superclass::PixelPointerType;
  using typename Superclass::OutputPixelType;
  using typename Superclass::RegionType;
  using typename Superclass::IndexType;
  using typename Superclass::SizeType;
  using typename Superclass::OffsetType;
  using typename Superclass::NeighborhoodType;
 
  using typename Superclass::NeighborhoodAccessorFunctorType;
 
  static constexpr unsigned int ImageDimension = Superclass::ImageDimension;
 
  ZeroFluxNeumannBoundaryCondition() = default;
 
  OutputPixelType
  operator()(const OffsetType &       point_index,
             const OffsetType &       boundary_offset,
             const NeighborhoodType * data) const override;
 
  OutputPixelType
  operator()(const OffsetType &                      point_index,
             const OffsetType &                      boundary_offset,
             const NeighborhoodType *                data,
             const NeighborhoodAccessorFunctorType & neighborhoodAccessorFunctor) const override;
 
  RegionType
  GetInputRequestedRegion(const RegionType & inputLargestPossibleRegion,
                          const RegionType & outputRequestedRegion) const override;
 
  OutputPixelType
  GetPixel(const IndexType & index, const TInputImage * image) const override;
};
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkZeroFluxNeumannBoundaryCondition.hxx"
#endif
 
/*
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkZeroFluxNeumannBoundaryCondition.hxx"
#endif
*/
 
#endif