itkXorImageFilter.h

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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkXorImageFilter.h,v $
  Language:  C++
  Date:      $Date: 2006/04/04 13:13:52 $
  Version:   $Revision: 1.4 $

  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 __itkXorImageFilter_h
#define __itkXorImageFilter_h

#include "itkBinaryFunctorImageFilter.h"
#include "itkNumericTraits.h"


namespace itk
{
  
namespace Functor {  
  
template< class TInput1, class TInput2=TInput1, class TOutput=TInput1 >
class XOR
{
public:
  XOR() {};
  ~XOR() {};
  bool operator!=( const XOR & ) const
  {
    return false;
  }
  bool operator==( const XOR & other ) const
  {
    return !(*this != other);
  }
  inline TOutput operator()( const TInput1 & A, const TInput2 & B)
  {
    return static_cast<TOutput>( A ^ B );
  }
}; 

}
template <class TInputImage1, class TInputImage2, class TOutputImage>
class ITK_EXPORT XorImageFilter :
    public
BinaryFunctorImageFilter<TInputImage1,TInputImage2,TOutputImage, 
                         Functor::XOR< 
  typename TInputImage1::PixelType, 
  typename TInputImage2::PixelType,
  typename TOutputImage::PixelType>   >


{
public:
  typedef XorImageFilter  Self;
  typedef BinaryFunctorImageFilter<TInputImage1,TInputImage2,TOutputImage, 
                                   Functor::XOR< 
    typename TInputImage1::PixelType, 
    typename TInputImage2::PixelType,
    typename TOutputImage::PixelType>   
  >  Superclass;
  typedef SmartPointer<Self>   Pointer;
  typedef SmartPointer<const Self>  ConstPointer;

  itkNewMacro(Self);

#ifdef ITK_USE_CONCEPT_CHECKING

  itkConceptMacro(Input1Input2OutputLogicalOperatorsCheck,
    (Concept::LogicalOperators<typename TInputImage1::PixelType,
                               typename TInputImage2::PixelType,
                               typename TOutputImage::PixelType>));

#endif

protected:
  XorImageFilter() {}
  virtual ~XorImageFilter() {}

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

};

} // end namespace itk


#endif

---