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itkUnaryFunctorImageFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkUnaryFunctorImageFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2008-10-07 17:31:02 $
00007   Version:   $Revision: 1.25 $
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 __itkUnaryFunctorImageFilter_h
00018 #define __itkUnaryFunctorImageFilter_h
00019 
00020 #include "itkInPlaceImageFilter.h"
00021 #include "itkImageRegionIteratorWithIndex.h"
00022 
00023 namespace itk
00024 {
00025   
00042 template <class TInputImage, class TOutputImage, class TFunction >
00043 class ITK_EXPORT UnaryFunctorImageFilter : public InPlaceImageFilter<TInputImage,TOutputImage> 
00044 {
00045 public:
00047   typedef UnaryFunctorImageFilter                       Self;
00048   typedef InPlaceImageFilter<TInputImage,TOutputImage>  Superclass;
00049   typedef SmartPointer<Self>                            Pointer;
00050   typedef SmartPointer<const Self>                      ConstPointer;
00051 
00053   itkNewMacro(Self);
00054 
00056   itkTypeMacro(UnaryFunctorImageFilter, InPlaceImageFilter);
00057 
00059   typedef TFunction                                   FunctorType;
00060 
00061   typedef TInputImage                              InputImageType;
00062   typedef typename    InputImageType::ConstPointer InputImagePointer;
00063   typedef typename    InputImageType::RegionType   InputImageRegionType; 
00064   typedef typename    InputImageType::PixelType    InputImagePixelType; 
00065 
00066   typedef TOutputImage                             OutputImageType;
00067   typedef typename     OutputImageType::Pointer    OutputImagePointer;
00068   typedef typename     OutputImageType::RegionType OutputImageRegionType;
00069   typedef typename     OutputImageType::PixelType  OutputImagePixelType;
00070 
00075   FunctorType& GetFunctor() { return m_Functor; };
00076   const FunctorType& GetFunctor() const { return m_Functor; }
00078 
00085   void SetFunctor(const FunctorType& functor)
00086     {
00087     if (m_Functor != functor)
00088       {
00089       m_Functor = functor;
00090       this->Modified();
00091       }
00092     }
00094 
00095 protected:
00096   UnaryFunctorImageFilter();
00097   virtual ~UnaryFunctorImageFilter() {};
00098 
00107   virtual void GenerateOutputInformation();
00108 
00119   void ThreadedGenerateData(const OutputImageRegionType& outputRegionForThread,
00120                             int threadId );
00121 
00122 private:
00123   UnaryFunctorImageFilter(const Self&); //purposely not implemented
00124   void operator=(const Self&); //purposely not implemented
00125 
00126   FunctorType m_Functor;
00127 };
00128 
00129 } // end namespace itk
00130 
00131 #ifndef ITK_MANUAL_INSTANTIATION
00132 #include "itkUnaryFunctorImageFilter.txx"
00133 #endif
00134 
00135 #endif
00136 

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