itkGradientAnisotropicDiffusionImageFilter.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 __itkGradientAnisotropicDiffusionImageFilter_h
#define __itkGradientAnisotropicDiffusionImageFilter_h

#include "itkAnisotropicDiffusionImageFilter.h"
#include "itkGradientNDAnisotropicDiffusionFunction.h"

namespace itk
{
template< class TInputImage, class TOutputImage >
class ITK_EXPORT GradientAnisotropicDiffusionImageFilter:
  public AnisotropicDiffusionImageFilter< TInputImage, TOutputImage >
{
public:
  typedef GradientAnisotropicDiffusionImageFilter Self;
  typedef AnisotropicDiffusionImageFilter< TInputImage, TOutputImage >
  Superclass;
  typedef SmartPointer< Self >       Pointer;
  typedef SmartPointer< const Self > ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(GradientAnisotropicDiffusionImageFilter,
               AnisotropicDiffusionImageFilter);

  typedef typename Superclass::UpdateBufferType UpdateBufferType;

  itkStaticConstMacro(ImageDimension, unsigned int, Superclass::ImageDimension);

#ifdef ITK_USE_CONCEPT_CHECKING

  itkConceptMacro( UpdateBufferHasNumericTraitsCheck,
                   ( Concept::HasNumericTraits< typename UpdateBufferType::PixelType > ) );

#endif
protected:
  GradientAnisotropicDiffusionImageFilter()
  {
    typename GradientNDAnisotropicDiffusionFunction< UpdateBufferType >::Pointer p =
      GradientNDAnisotropicDiffusionFunction< UpdateBufferType >::New();
    this->SetDifferenceFunction(p);
  }

  ~GradientAnisotropicDiffusionImageFilter() {}
private:
  GradientAnisotropicDiffusionImageFilter(const Self &); //purposely not
                                                         // implemented
  void operator=(const Self &);                          //purposely not

  // implemented
};
} // end namspace itk

#endif