itkGPUGradientAnisotropicDiffusionImageFilter.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 __itkGPUGradientAnisotropicDiffusionImageFilter_h
#define __itkGPUGradientAnisotropicDiffusionImageFilter_h

#include "itkOpenCLUtil.h"
#include "itkGradientAnisotropicDiffusionImageFilter.h"
#include "itkGPUAnisotropicDiffusionImageFilter.h"
#include "itkGPUGradientNDAnisotropicDiffusionFunction.h"

namespace itk
{
template< class TInputImage, class TOutputImage, class TParentImageFilter =
            GradientAnisotropicDiffusionImageFilter< TInputImage, TOutputImage > >
class ITK_EXPORT GPUGradientAnisotropicDiffusionImageFilter :
  public GPUAnisotropicDiffusionImageFilter< TInputImage, TOutputImage, TParentImageFilter >
{
public:
  typedef GPUGradientAnisotropicDiffusionImageFilter                                          Self;
  typedef GPUAnisotropicDiffusionImageFilter< TInputImage, TOutputImage, TParentImageFilter > GPUSuperclass;
  typedef SmartPointer< Self >                                                                Pointer;
  typedef SmartPointer< const Self >                                                          ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(GPUGradientAnisotropicDiffusionImageFilter,
               GPUAnisotropicDiffusionImageFilter);

  typedef typename GPUSuperclass::UpdateBufferType UpdateBufferType;

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

#ifdef ITK_USE_CONCEPT_CHECKING

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

#endif

protected:
  GPUGradientAnisotropicDiffusionImageFilter()
  {
    // Set DiffusionFunction
    typename GPUGradientNDAnisotropicDiffusionFunction< UpdateBufferType >::Pointer p =
      GPUGradientNDAnisotropicDiffusionFunction< UpdateBufferType >::New();
    this->SetDifferenceFunction(p);
  }

  ~GPUGradientAnisotropicDiffusionImageFilter() {
  }

private:
  GPUGradientAnisotropicDiffusionImageFilter(const Self &); //purposely not
                                                            // implemented
  void operator=(const Self &);                             //purposely not

  // implemented
};

class GPUGradientAnisotropicDiffusionImageFilterFactory : public ObjectFactoryBase
{
public:
  typedef GPUGradientAnisotropicDiffusionImageFilterFactory Self;
  typedef ObjectFactoryBase                                 Superclass;
  typedef SmartPointer<Self>                                Pointer;
  typedef SmartPointer<const Self>                          ConstPointer;

  virtual const char* GetITKSourceVersion() const {
    return ITK_SOURCE_VERSION;
  }
  const char* GetDescription() const {
    return "A Factory for GPUGradientAnisotropicDiffusionImageFilter";
  }

  itkFactorylessNewMacro(Self);

  itkTypeMacro(GPUGradientAnisotropicDiffusionImageFilterFactory, itk::ObjectFactoryBase);

  static void RegisterOneFactory(void)
  {
    GPUGradientAnisotropicDiffusionImageFilterFactory::Pointer factory =
      GPUGradientAnisotropicDiffusionImageFilterFactory::New();

    itk::ObjectFactoryBase::RegisterFactory(factory);
  }

private:
  GPUGradientAnisotropicDiffusionImageFilterFactory(const Self&); //purposely
                                                                  // not
                                                                  // implemented
  void operator=(const Self&);                                    //purposely
                                                                  // not
                                                                  // implemented

#define GradientAnisotropicDiffusionImageFilterTypeMacro(ipt,opt,dm) \
    { \
    typedef itk::Image<ipt,dm> InputImageType; \
    typedef itk::Image<opt,dm> OutputImageType; \
    this->RegisterOverride( \
      typeid(itk::GradientAnisotropicDiffusionImageFilter<InputImageType,OutputImageType>).name(), \
      typeid(itk::GPUGradientAnisotropicDiffusionImageFilter<InputImageType,OutputImageType>).name(), \
      "GPU GradientAnisotropicDiffusionImageFilter Override", \
      true, \
      itk::CreateObjectFunction<GPUGradientAnisotropicDiffusionImageFilter<InputImageType,OutputImageType> >::New() ); \
    }

  GPUGradientAnisotropicDiffusionImageFilterFactory()
  {
    if( IsGPUAvailable() )
      {
      GradientAnisotropicDiffusionImageFilterTypeMacro(unsigned char, unsigned char, 1);
      GradientAnisotropicDiffusionImageFilterTypeMacro(char, char, 1);
      GradientAnisotropicDiffusionImageFilterTypeMacro(float,float,1);
      GradientAnisotropicDiffusionImageFilterTypeMacro(int,int,1);
      GradientAnisotropicDiffusionImageFilterTypeMacro(unsigned int,unsigned int,1);
      GradientAnisotropicDiffusionImageFilterTypeMacro(double,double,1);

      GradientAnisotropicDiffusionImageFilterTypeMacro(unsigned char, unsigned char, 2);
      GradientAnisotropicDiffusionImageFilterTypeMacro(char, char, 2);
      GradientAnisotropicDiffusionImageFilterTypeMacro(float,float,2);
      GradientAnisotropicDiffusionImageFilterTypeMacro(int,int,2);
      GradientAnisotropicDiffusionImageFilterTypeMacro(unsigned int,unsigned int,2);
      GradientAnisotropicDiffusionImageFilterTypeMacro(double,double,2);

      GradientAnisotropicDiffusionImageFilterTypeMacro(unsigned char, unsigned char, 3);
      GradientAnisotropicDiffusionImageFilterTypeMacro(char, char, 3);
      GradientAnisotropicDiffusionImageFilterTypeMacro(float,float,3);
      GradientAnisotropicDiffusionImageFilterTypeMacro(int,int,3);
      GradientAnisotropicDiffusionImageFilterTypeMacro(unsigned int,unsigned int,3);
      GradientAnisotropicDiffusionImageFilterTypeMacro(double,double,3);
      }
  }

};

} // end namspace itk

#endif