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itkDefaultPixelAccessorFunctor.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkDefaultPixelAccessorFunctor.h,v $
00005   Language:  C++
00006   Date:      $Date: 2006/10/14 19:58:31 $
00007   Version:   $Revision: 1.7 $
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 __itkDefaultPixelAccessorFunctor_h
00018 #define __itkDefaultPixelAccessorFunctor_h
00019 
00020 namespace itk
00021 {
00040 template <class TImageType >
00041 class ITK_EXPORT DefaultPixelAccessorFunctor
00042 {
00043 public:
00044   typedef TImageType                                   ImageType;
00045   typedef typename ImageType::InternalPixelType        InternalPixelType;
00046   typedef typename ImageType::PixelType                ExternalPixelType;
00047   typedef typename ImageType::AccessorType             PixelAccessorType;
00048   typedef unsigned int                                 VectorLengthType;
00049   
00050   static void SetVectorLength( ImageType *, VectorLengthType )
00051     { 
00052     }
00053 
00054   static VectorLengthType GetVectorLength( const ImageType * )
00055     {
00056     return 1;
00057     } 
00058   
00063   inline void SetPixelAccessor( PixelAccessorType& accessor ) 
00064     {
00065     m_PixelAccessor = accessor;
00066     }
00067 
00071   inline void SetBegin( const InternalPixelType *itkNotUsed(begin) ) {}
00072 
00074   inline void Set( InternalPixelType & output, const ExternalPixelType &input ) const
00075     {
00076     m_PixelAccessor.Set( output, input );
00077     }
00078 
00080   inline ExternalPixelType Get( InternalPixelType &input ) const
00081     {
00082     return m_PixelAccessor.Get( input );
00083     }
00084 
00086   inline const ExternalPixelType Get( const InternalPixelType & input ) const
00087     {
00088     return m_PixelAccessor.Get( input );
00089     }
00090 
00091 private:
00092   PixelAccessorType m_PixelAccessor; // The pixel accessor
00093 };
00094 
00095 }
00096 
00097 #endif    
00098 

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