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itkInvertIntensityImageFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkInvertIntensityImageFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2006/07/31 13:46:48 $
00007   Version:   $Revision: 1.3 $
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 __itkInvertIntensityImageFilter_h
00018 #define __itkInvertIntensityImageFilter_h
00019 
00020 #include "itkUnaryFunctorImageFilter.h"
00021 
00022 namespace itk
00023 {
00024 
00025 namespace Functor {  
00026  
00027 template< typename TInput, typename  TOutput>
00028 class InvertIntensityTransform
00029 {
00030 public:
00031   typedef typename NumericTraits< TInput >::RealType RealType;
00032   InvertIntensityTransform() {m_Maximum = NumericTraits< TInput >::max();}
00033   ~InvertIntensityTransform() {}
00034 
00035   void SetMaximum( TOutput max ) { m_Maximum = max; }
00036 
00037   bool operator!=( const InvertIntensityTransform & other ) const
00038   {
00039     if( m_Maximum != other.m_Maximum )
00040       {
00041       return true;
00042       }
00043     return false;
00044   }
00045 
00046   bool operator==( const InvertIntensityTransform & other ) const
00047   {
00048     return !(*this != other);
00049   }
00050 
00051   inline TOutput operator()( const TInput & x )
00052   {
00053     TOutput  result = static_cast<TOutput>( m_Maximum - x );
00054     return result;
00055   }
00056 private:
00057   TInput  m_Maximum;
00058 }; 
00059 
00060 }  // end namespace functor
00061 
00062 
00078 template <typename  TInputImage, typename  TOutputImage=TInputImage>
00079 class ITK_EXPORT InvertIntensityImageFilter :
00080     public
00081     UnaryFunctorImageFilter<TInputImage,TOutputImage, 
00082                             Functor::InvertIntensityTransform< 
00083   typename TInputImage::PixelType, 
00084   typename TOutputImage::PixelType>   >
00085 {
00086 public:
00088   typedef InvertIntensityImageFilter  Self;
00089   typedef UnaryFunctorImageFilter<TInputImage,TOutputImage, 
00090                                   Functor::InvertIntensityTransform< 
00091     typename TInputImage::PixelType, 
00092     typename TOutputImage::PixelType> >  Superclass;
00093   typedef SmartPointer<Self>   Pointer;
00094   typedef SmartPointer<const Self>  ConstPointer;
00095 
00096   typedef typename TOutputImage::PixelType OutputPixelType;
00097   typedef typename TInputImage::PixelType  InputPixelType;
00098   typedef typename NumericTraits<InputPixelType>::RealType RealType;
00099 
00101   itkNewMacro(Self);
00102 
00103   itkSetMacro( Maximum, InputPixelType );
00104   itkGetConstReferenceMacro( Maximum, InputPixelType );
00105 
00107   void PrintSelf(std::ostream& os, Indent indent) const;
00108 
00110   void BeforeThreadedGenerateData(void);
00111 
00112 #ifdef ITK_USE_CONCEPT_CHECKING
00113 
00114   itkConceptMacro(InputHasNumericTraitsCheck,
00115                   (Concept::HasNumericTraits<InputPixelType>));
00116 
00118 #endif
00119 
00120 protected:
00121   InvertIntensityImageFilter();
00122   virtual ~InvertIntensityImageFilter() {};
00123 
00124 private:
00125   InvertIntensityImageFilter(const Self&); //purposely not implemented
00126   void operator=(const Self&); //purposely not implemented
00127 
00128   InputPixelType        m_Maximum;
00129 };
00130 
00131 
00132   
00133 } // end namespace itk
00134   
00135 #ifndef ITK_MANUAL_INSTANTIATION
00136 #include "itkInvertIntensityImageFilter.txx"
00137 #endif
00138   
00139 #endif
00140 

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