itkNaryFunctorImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkNaryFunctorImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2003/09/10 14:28:52 $
  Version:   $Revision: 1.11 $

  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 __itkNaryFunctorImageFilter_h
#define __itkNaryFunctorImageFilter_h

#include "itkImageToImageFilter.h"
#include "itkImageIterator.h"

namespace itk
{
  
template <class TInputImage, class TOutputImage, class TFunction >
class ITK_EXPORT NaryFunctorImageFilter :
    public ImageToImageFilter<TInputImage,TOutputImage> 

{
public:
  typedef NaryFunctorImageFilter  Self;
  typedef ImageToImageFilter<TInputImage,TOutputImage>  Superclass;
  typedef SmartPointer<Self>   Pointer;
  typedef SmartPointer<const Self>  ConstPointer;

  itkNewMacro(Self);
  
  itkTypeMacro(NaryFunctorImageFilter, ImageToImageFilter);

  typedef TFunction   FunctorType;
  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;


  FunctorType& GetFunctor() { return m_Functor; };

  void SetFunctor(FunctorType& functor)
  {
    if ( m_Functor != functor )
      {
      m_Functor = functor;
      this->Modified();
      }
  }
  
protected:
  NaryFunctorImageFilter();
  virtual ~NaryFunctorImageFilter() {};

  void ThreadedGenerateData(const OutputImageRegionType& outputRegionForThread,
                            int threadId );

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

  FunctorType m_Functor;
};

} // end namespace itk

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

#endif

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