itkBinaryFunctorImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkBinaryFunctorImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2007/09/03 13:45:32 $
  Version:   $Revision: 1.36 $

  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 __itkBinaryFunctorImageFilter_h
#define __itkBinaryFunctorImageFilter_h

#include "itkInPlaceImageFilter.h"
#include "itkImageRegionIteratorWithIndex.h"

namespace itk
{
  
template <class TInputImage1, class TInputImage2, 
          class TOutputImage, class TFunction    >
class ITK_EXPORT BinaryFunctorImageFilter :
    public InPlaceImageFilter<TInputImage1,TOutputImage> 
{
public:
  typedef BinaryFunctorImageFilter  Self;
  typedef InPlaceImageFilter<TInputImage1,TOutputImage>  Superclass;
  typedef SmartPointer<Self>   Pointer;
  typedef SmartPointer<const Self>  ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(BinaryFunctorImageFilter, InPlaceImageFilter);

  typedef TFunction   FunctorType;
  typedef TInputImage1 Input1ImageType;
  typedef typename Input1ImageType::ConstPointer Input1ImagePointer;
  typedef typename Input1ImageType::RegionType Input1ImageRegionType; 
  typedef typename Input1ImageType::PixelType Input1ImagePixelType; 
  typedef TInputImage2 Input2ImageType;
  typedef typename Input2ImageType::ConstPointer Input2ImagePointer;
  typedef typename Input2ImageType::RegionType Input2ImageRegionType; 
  typedef typename Input2ImageType::PixelType Input2ImagePixelType; 
  typedef TOutputImage OutputImageType;
  typedef typename OutputImageType::Pointer OutputImagePointer;
  typedef typename OutputImageType::RegionType OutputImageRegionType;
  typedef typename OutputImageType::PixelType OutputImagePixelType;

  void SetInput1( const TInputImage1 * image1);

  void SetInput2( const TInputImage2 * image2);

  FunctorType& GetFunctor() { return m_Functor; }

  const FunctorType& GetFunctor() const
    {
    return m_Functor;
    }

  void SetFunctor(const FunctorType& functor)
  {
    if (m_Functor != functor)
      {
      m_Functor = functor;
      this->Modified();
      }
  }

  itkStaticConstMacro(
    InputImage1Dimension, unsigned int, TInputImage1::ImageDimension);
  itkStaticConstMacro(
    InputImage2Dimension, unsigned int, TInputImage2::ImageDimension);
  itkStaticConstMacro(
    OutputImageDimension, unsigned int, TOutputImage::ImageDimension);

#ifdef ITK_USE_CONCEPT_CHECKING

  itkConceptMacro(SameDimensionCheck1,
    (Concept::SameDimension<itkGetStaticConstMacro(InputImage1Dimension),
                            itkGetStaticConstMacro(InputImage2Dimension)>));
  itkConceptMacro(SameDimensionCheck2,
    (Concept::SameDimension<itkGetStaticConstMacro(InputImage1Dimension),
                            itkGetStaticConstMacro(OutputImageDimension)>));

#endif

protected:
  BinaryFunctorImageFilter();
  virtual ~BinaryFunctorImageFilter() {}

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

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

  FunctorType m_Functor;
};

} // end namespace itk

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

#endif

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