itkSobelOperator.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 itkSobelOperator_h
#define itkSobelOperator_h

#include "itkNeighborhoodOperator.h"

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

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

  itkTypeMacro(SobelOperator, NeighborhoodOperator);

  SobelOperator() {}
  SobelOperator(const Self & other):
    NeighborhoodOperator< TPixel, VDimension, TAllocator >(other)
  {}

  virtual void CreateDirectional() ITK_OVERRIDE
  {
    this->CreateToRadius(1);
  }

  // virtual void CreateToRadius(const unsigned long);

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

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

protected:
  typedef typename Superclass::CoefficientVector CoefficientVector;
  typedef typename Superclass::PixelType         PixelType;

  CoefficientVector GenerateCoefficients() ITK_OVERRIDE;

  void Fill(const CoefficientVector & c) ITK_OVERRIDE;
};
} // namespace itk

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

#endif