itkBackwardDifferenceOperator.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 __itkBackwardDifferenceOperator_h
#define __itkBackwardDifferenceOperator_h

#include "itkNeighborhoodOperator.h"

namespace itk
{
template< typename TPixel, unsigned int TDimension = 2,
          typename TAllocator = NeighborhoodAllocator< TPixel > >
class BackwardDifferenceOperator:
  public NeighborhoodOperator< TPixel, TDimension, TAllocator >
{
public:

  typedef BackwardDifferenceOperator                             Self;
  typedef NeighborhoodOperator< TPixel, TDimension, TAllocator > Superclass;

  typedef typename Superclass::PixelType PixelType;

  BackwardDifferenceOperator() {}

protected:
  typedef typename Superclass::CoefficientVector CoefficientVector;

  CoefficientVector GenerateCoefficients();

  void Fill(const CoefficientVector & coeff)
  { this->FillCenteredDirectional(coeff); }

private:
  BackwardDifferenceOperator(const Self & other); //purposely not implemented
  Self & operator=(const Self & other);           //purposely not implemented
};
} // namespace itk

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

#endif