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 ImageKernelOperator :
  public NeighborhoodOperator< TPixel, VDimension, TAllocator >
{
public:

  typedef ImageKernelOperator                                    Self;
  typedef NeighborhoodOperator< TPixel, VDimension, TAllocator > Superclass;

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

  ImageKernelOperator() {}

  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;

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

protected:
  CoefficientVector GenerateCoefficients();

  void Fill(const CoefficientVector & coeff);

private:
  typename ImageType::ConstPointer m_ImageKernel;

  const char * GetNameOfClass()
  { return "itkImageKernelOperator"; }

};
} // namespace itk

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

#endif