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itkModulusImageFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkModulusImageFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2007/09/27 11:36:41 $
00007   Version:   $Revision: 1.4 $
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 __itkModulusImageFilter_h
00018 #define __itkModulusImageFilter_h
00019 
00020 #include "itkUnaryFunctorImageFilter.h"
00021 
00022 namespace itk
00023 {
00024 
00025 namespace Functor {  
00026  
00027 template< typename TInput, typename  TOutput>
00028 class ModulusTransform
00029 {
00030 public:
00031   ModulusTransform() {m_Dividend = 5;}
00032   ~ModulusTransform() {}
00033   void SetDividend( TOutput dividend ) { m_Dividend = dividend; }
00034 
00035   bool operator!=( const ModulusTransform & other ) const
00036   {
00037     if( m_Dividend != other.m_Dividend )
00038       {
00039       return true;
00040       }
00041     return false;
00042   }
00043 
00044   bool operator==( const ModulusTransform & other ) const
00045   {
00046     return !(*this != other);
00047   }
00048 
00049   inline TOutput operator()( const TInput & x )
00050   {
00051     TOutput  result = static_cast<TOutput>( x % m_Dividend );
00052     return result;
00053   }
00054 private:
00055   TInput  m_Dividend;
00056 }; 
00057 
00058 }  // end namespace functor
00059 
00060 
00071 template <typename  TInputImage, typename  TOutputImage=TInputImage>
00072 class ITK_EXPORT ModulusImageFilter :
00073     public
00074 UnaryFunctorImageFilter<TInputImage,TOutputImage, 
00075                         Functor::ModulusTransform< 
00076   typename TInputImage::PixelType, 
00077   typename TOutputImage::PixelType>   >
00078 {
00079 public:
00081   typedef ModulusImageFilter  Self;
00082   typedef UnaryFunctorImageFilter<TInputImage,TOutputImage, 
00083                                   Functor::ModulusTransform< 
00084     typename TInputImage::PixelType, 
00085     typename TOutputImage::PixelType> >  Superclass;
00086   typedef SmartPointer<Self>   Pointer;
00087   typedef SmartPointer<const Self>  ConstPointer;
00088 
00089   typedef typename TOutputImage::PixelType OutputPixelType;
00090   typedef typename TInputImage::PixelType  InputPixelType;
00091   typedef typename NumericTraits<InputPixelType>::RealType RealType;
00092 
00094   itkNewMacro(Self);
00095 
00097   itkTypeMacro(ModulusImageFilter, 
00098                UnaryFunctorImageFilter);
00099 
00101   itkSetMacro( Dividend, InputPixelType );
00102   itkGetConstReferenceMacro( Dividend, InputPixelType );
00104 
00106   void PrintSelf(std::ostream& os, Indent indent) const;
00107 
00109   void BeforeThreadedGenerateData(void);
00110 
00111 #ifdef ITK_USE_CONCEPT_CHECKING
00112 
00113   itkConceptMacro(InputHasNumericTraitsCheck,
00114                   (Concept::HasNumericTraits<InputPixelType>));
00115 
00117 #endif
00118 
00119 protected:
00120   ModulusImageFilter();
00121   virtual ~ModulusImageFilter() {};
00122 
00123 private:
00124   ModulusImageFilter(const Self&); //purposely not implemented
00125   void operator=(const Self&); //purposely not implemented
00126 
00127   InputPixelType        m_Dividend;
00128 };
00129 
00130 
00131   
00132 } // end namespace itk
00133   
00134 #ifndef ITK_MANUAL_INSTANTIATION
00135 #include "itkModulusImageFilter.txx"
00136 #endif
00137   
00138 #endif
00139 

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