itkImageKernelOperator.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 itkImageKernelOperator_h
#define itkImageKernelOperator_h

#include "itkNeighborhoodOperator.h"

#include "itkImage.h"

namespace itk
{
template< typename TPixel, unsigned int VDimension = 2,
          typename TAllocator = NeighborhoodAllocator< TPixel > >
class ITK_TEMPLATE_EXPORT ImageKernelOperator :
  public NeighborhoodOperator< TPixel, VDimension, TAllocator >
{
public:

  using Self = ImageKernelOperator;
  using Superclass = NeighborhoodOperator< TPixel, VDimension, TAllocator >;

  using ImageType = Image< TPixel, VDimension >;
  using SizeType = typename Superclass::SizeType;
  using CoefficientVector = typename Superclass::CoefficientVector;

  itkTypeMacro(ImageKernelOperator, NeighborhoodOperator);

  ImageKernelOperator() = default;

  ImageKernelOperator(const Self & orig):
    Neighborhood< TPixel, VDimension, TAllocator >(orig)
  {}

  Self & operator=(const Self & orig)
  {
    Superclass::operator=(orig);
    return *this;
  }

  void SetImageKernel(const ImageType *kernel);

  const ImageType * GetImageKernel() const;

  void PrintSelf(std::ostream & os, Indent i) const override
  {
    os << i << "ImageKernelOperator { this=" << this
       << "} "  << std::endl;
    Superclass::PrintSelf( os, i.GetNextIndent() );
  }

protected:
  CoefficientVector GenerateCoefficients() override;

  void Fill(const CoefficientVector & coeff) override;

private:
  typename ImageType::ConstPointer m_ImageKernel;

};
} // namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkImageKernelOperator.hxx"
#endif

#endif