itkZeroFluxNeumannBoundaryCondition.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
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 *         http://www.apache.org/licenses/LICENSE-2.0.txt
 *
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 *  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.
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 *=========================================================================*/
#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 >;

  using PixelType = typename Superclass::PixelType;
  using PixelPointerType = typename Superclass::PixelPointerType;
  using OutputPixelType = typename Superclass::OutputPixelType;
  using RegionType = typename Superclass::RegionType;
  using IndexType = typename Superclass::IndexType;
  using SizeType = typename Superclass::SizeType;
  using OffsetType = typename Superclass::OffsetType;
  using NeighborhoodType = typename Superclass::NeighborhoodType;

  using NeighborhoodAccessorFunctorType = typename Superclass::NeighborhoodAccessorFunctorType;

  static constexpr unsigned int ImageDimension = Superclass::ImageDimension;

  ZeroFluxNeumannBoundaryCondition() = default;

  const char * GetNameOfClass() const override
  {
    return "itkZeroFluxNeumannBoundaryCondition";
  }

  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