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itkNthElementImageAdaptor.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkNthElementImageAdaptor.h,v $
00005   Language:  C++
00006   Date:      $Date: 2002/01/15 18:57:09 $
00007   Version:   $Revision: 1.8 $
00008 
00009   Copyright (c) 2002 Insight 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 __itkNthElementImageAdaptor_h
00018 #define __itkNthElementImageAdaptor_h
00019 
00020 #include <itkImageAdaptor.h>
00021 #include <itkNthElementPixelAccessor.h>
00022 
00023 namespace itk
00024 {
00025  
00037 template <class TImage, class TOutputPixelType>
00038 class ITK_EXPORT NthElementImageAdaptor : public
00039       ImageAdaptor<TImage,
00040                    NthElementPixelAccessor<
00041                                       TOutputPixelType,
00042                                       typename TImage::PixelType> >
00043 {
00044 public:
00046   typedef NthElementImageAdaptor  Self;
00047   typedef ImageAdaptor<TImage,NthElementImageAdaptor<
00048                               TOutputPixelType,
00049                               typename TImage::PixelType > > Superclass;
00050   typedef SmartPointer<Self>  Pointer;
00051   typedef SmartPointer<const Self>  ConstPointer;
00052   
00054   itkTypeMacro( NthElementImageAdaptor, ImageAdaptor );
00055 
00057   itkNewMacro(Self);  
00058 
00060   void SelectNthElement( unsigned int nth ) 
00061     { this->GetPixelAccessor().SetElementNumber( nth ); 
00062     this->Modified(); }
00063 
00064 protected:
00065   NthElementImageAdaptor() {}
00066   virtual ~NthElementImageAdaptor() {}
00067   
00068 private:
00069   NthElementImageAdaptor(const Self&); //purposely not implemented
00070   void operator=(const Self&); //purposely not implemented
00071 };
00072 
00073 
00074 } // end namespace itk
00075 
00076 #endif

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