itkAccumulateImageFilter.h

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/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkAccumulateImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2008-10-07 14:09:10 $
  Version:   $Revision: 1.10 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#ifndef __itkAccumulateImageFilter_h
#define __itkAccumulateImageFilter_h

#include "itkImageToImageFilter.h"
#include "itkConceptChecking.h"

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

  itkNewMacro(Self);

  itkTypeMacro(AccumulateImageFilter, ImageToImageFilter);

  typedef TInputImage                            InputImageType;
  typedef typename    InputImageType::Pointer    InputImagePointer;
  typedef typename    InputImageType::RegionType InputImageRegionType;
  typedef typename    InputImageType::PixelType  InputImagePixelType;

  typedef TOutputImage                              OutputImageType;
  typedef typename     OutputImageType::Pointer     OutputImagePointer;
  typedef typename     OutputImageType::RegionType  OutputImageRegionType;
  typedef typename     OutputImageType::PixelType   OutputImagePixelType;


  itkStaticConstMacro(InputImageDimension, unsigned int,
                      TInputImage::ImageDimension);
  itkStaticConstMacro(OutputImageDimension, unsigned int,
                      TOutputImage::ImageDimension);

#ifdef ITK_USE_CONCEPT_CHECKING

  itkConceptMacro(ImageDimensionCheck,
      (Concept::SameDimensionOrMinusOne<itkGetStaticConstMacro(InputImageDimension),
                                        itkGetStaticConstMacro(OutputImageDimension)>));

#endif

  itkGetMacro( AccumulateDimension, unsigned int );
  itkSetMacro( AccumulateDimension, unsigned int );

  itkSetMacro( Average, bool );
  itkGetMacro( Average, bool );
  itkBooleanMacro(Average);

  

protected:
  AccumulateImageFilter();
  virtual ~AccumulateImageFilter() {};
  void PrintSelf(std::ostream& os, Indent indent) const;

  virtual void GenerateOutputInformation();

  virtual void GenerateInputRequestedRegion();

  void GenerateData(void);

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

  unsigned int m_AccumulateDimension;
  bool         m_Average;

};

} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkAccumulateImageFilter.txx"
#endif

#endif

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