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itkSubtractImageFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkSubtractImageFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2003/09/10 14:28:57 $
00007   Version:   $Revision: 1.22 $
00008 
00009   Copyright (c) Insight Software Consortium. All rights reserved.
00010   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
00011 
00012      This software is distributed WITHOUT ANY WARRANTY; without even 
00013      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
00014      PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 #ifndef __itkSubtractImageFilter_h
00018 #define __itkSubtractImageFilter_h
00019 
00020 #include "itkBinaryFunctorImageFilter.h"
00021 
00022 namespace itk
00023 {
00024   
00036 namespace Function {  
00037   
00038 template< class TInput1, class TInput2, class TOutput>
00039 class Sub2
00040 {
00041 public:
00042   Sub2() {}
00043   ~Sub2() {}
00044   inline TOutput operator()( const TInput1 & A, const TInput2 & B)
00045   { return (TOutput)(A - B); }
00046 }; 
00047 }
00048 
00049 template <class TInputImage1, class TInputImage2, class TOutputImage>
00050 class ITK_EXPORT SubtractImageFilter :
00051     public
00052 BinaryFunctorImageFilter<TInputImage1,TInputImage2,TOutputImage, 
00053                          Function::Sub2< 
00054   typename TInputImage1::PixelType, 
00055   typename TInputImage2::PixelType,
00056   typename TOutputImage::PixelType>   >
00057 {
00058 public:
00060   typedef SubtractImageFilter  Self;
00061   typedef BinaryFunctorImageFilter<TInputImage1,TInputImage2,TOutputImage, 
00062                                    Function::Sub2< typename TInputImage1::PixelType, 
00063                                                    typename TInputImage2::PixelType,
00064                                                    typename TOutputImage::PixelType> >  Superclass;
00065   typedef SmartPointer<Self>   Pointer;
00066   typedef SmartPointer<const Self>  ConstPointer;
00067 
00068 
00070   itkNewMacro(Self);
00071   
00072 protected:
00073   SubtractImageFilter() {}
00074   virtual ~SubtractImageFilter() {}
00075 
00076 private:
00077   SubtractImageFilter(const Self&); //purposely not implemented
00078   void operator=(const Self&); //purposely not implemented
00079 
00080 
00081 };
00082 
00083 } // end namespace itk
00084 
00085 
00086 #endif

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