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itkHistogramToIntensityImageFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkHistogramToIntensityImageFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-01-17 09:13:59 $
00007   Version:   $Revision: 1.6 $
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 __itkHistogramIntensityFunction_h
00018 #define __itkHistogramIntensityFunction_h
00019 
00020 #include "itkHistogramToImageFilter.h"
00021 
00022 namespace itk
00023 {
00024   
00038 namespace Function {  
00039 template< class TInput, class TOutput=unsigned long >
00040 class HistogramIntensityFunction
00041 {
00042 public:
00043   
00044   //Intensity function returns pixels of unsigned long.. 
00045   typedef TOutput  OutputPixelType   ;
00046   
00047   
00048   HistogramIntensityFunction(): 
00049       m_TotalFrequency(1) {}
00050 
00051   ~HistogramIntensityFunction() {};
00052  
00053   inline OutputPixelType operator()( const TInput & A )
00054   {
00055     return static_cast<OutputPixelType>( A );
00056   }
00057 
00058   void SetTotalFrequency( unsigned long n ) 
00059     {
00060     m_TotalFrequency = n;
00061     }
00062   
00063   unsigned long GetTotalFrequency( ) const 
00064     {
00065     return m_TotalFrequency;
00066     }
00067 
00068 private:
00069   unsigned long  m_TotalFrequency;
00070 }; 
00071 }
00072 
00073 template <class THistogram, class TOutputPixel=unsigned long >
00074 class ITK_EXPORT HistogramToIntensityImageFilter :
00075   public HistogramToImageFilter< THistogram, 
00076   Function::HistogramIntensityFunction< unsigned long, TOutputPixel > > 
00077 {
00078 public:
00079   
00081   typedef HistogramToIntensityImageFilter                  Self;
00082 
00084   typedef HistogramToImageFilter< THistogram, 
00085     Function::HistogramIntensityFunction< unsigned long, TOutputPixel > >
00086                                                            Superclass;
00087 
00088   //typedef typename Function::HistogramIntensityFunction  FunctorType;
00089   typedef SmartPointer<Self>                               Pointer;
00090   typedef SmartPointer<const Self>                         ConstPointer;
00091   
00093   itkTypeMacro( HistogramToIntensityImageFilter, HistogramToImageFilter );
00094 
00096   itkNewMacro(Self);
00097 
00098 protected:
00099   HistogramToIntensityImageFilter() {}
00100   virtual ~HistogramToIntensityImageFilter() {}
00101   
00102 private:
00103   HistogramToIntensityImageFilter(const Self&); //purposely not implemented
00104   void operator=(const Self&); //purposely not implemented
00105 
00106 };
00107 
00108 } // end namespace itk
00109 
00110 #endif
00111 
00112 
00113 
00114 

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