itkGPUShrinkImageFilter.h

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/*=========================================================================
 *
 *  Copyright UMC Utrecht and contributors
 *
 *  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 __itkGPUShrinkImageFilter_h
#define __itkGPUShrinkImageFilter_h
 
#include "itkShrinkImageFilter.h"
 
#include "itkGPUImageToImageFilter.h"
#include "itkGPUImage.h"
#include "itkVersion.h"
 
namespace itk
{
itkGPUKernelClassMacro( GPUShrinkImageFilterKernel );
 
template< typename TInputImage, typename TOutputImage >
class ITK_EXPORT GPUShrinkImageFilter :
  public         GPUImageToImageFilter< TInputImage, TOutputImage,
  ShrinkImageFilter< TInputImage, TOutputImage > >
{
public:
 
  typedef GPUShrinkImageFilter                                              Self;
  typedef ShrinkImageFilter< TInputImage, TOutputImage >                    CPUSuperclass;
  typedef GPUImageToImageFilter< TInputImage, TOutputImage, CPUSuperclass > GPUSuperclass;
  typedef SmartPointer< Self >                                              Pointer;
  typedef SmartPointer< const Self >                                        ConstPointer;
 
  itkNewMacro( Self );
 
  itkTypeMacro( GPUShrinkImageFilter, GPUSuperclass );
 
  typedef typename GPUSuperclass::OutputImageRegionType OutputImageRegionType;
  typedef typename GPUSuperclass::OutputImagePixelType  OutputImagePixelType;
 
  typedef TInputImage                           InputImageType;
  typedef typename InputImageType::Pointer      InputImagePointer;
  typedef typename InputImageType::ConstPointer InputImageConstPointer;
  typedef typename InputImageType::RegionType   InputImageRegionType;
  typedef typename InputImageType::PixelType    InputImagePixelType;
 
  typedef typename CPUSuperclass::ShrinkFactorsType ShrinkFactorsType;
  typedef typename CPUSuperclass::OutputIndexType   OutputIndexType;
  typedef typename CPUSuperclass::InputIndexType    InputIndexType;
  typedef typename CPUSuperclass::OutputOffsetType  OutputOffsetType;
 
  itkStaticConstMacro( InputImageDimension, unsigned int,
    TInputImage::ImageDimension );
  itkStaticConstMacro( OutputImageDimension, unsigned int,
    TOutputImage::ImageDimension );
 
protected:
 
  GPUShrinkImageFilter();
  ~GPUShrinkImageFilter(){}
  void PrintSelf( std::ostream & os, Indent indent ) const override;
 
  virtual void GPUGenerateData();
 
private:
 
  GPUShrinkImageFilter( const Self & ); // purposely not implemented
  void operator=( const Self & );       // purposely not implemented
 
  std::size_t m_FilterGPUKernelHandle;
  std::size_t m_DeviceLocalMemorySize;
};
 
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkGPUShrinkImageFilter.hxx"
#endif
 
#endif /* __itkGPUShrinkImageFilter_h */