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itkCastImageFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkCastImageFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2002/10/17 16:20:16 $
00007   Version:   $Revision: 1.6 $
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 __itkCastImageFilter_h
00018 #define __itkCastImageFilter_h
00019 
00020 #include "itkUnaryFunctorImageFilter.h"
00021 
00022 namespace itk
00023 {
00024   
00036 namespace Functor {  
00037   
00038   template< class TInput, class TOutput>
00039   class Cast
00040   {
00041   public:
00042     Cast() {};
00043     ~Cast() {};
00044     inline TOutput operator()( const TInput & A )
00045     {
00046       return static_cast<TOutput>( A );
00047     }
00048   };
00049 }
00050 
00051 template <class TInputImage, class TOutputImage>
00052 class ITK_EXPORT CastImageFilter :
00053     public
00054     UnaryFunctorImageFilter<TInputImage,TOutputImage, 
00055     Functor::Cast< 
00056               typename TInputImage::PixelType, 
00057               typename TOutputImage::PixelType> >
00058 {
00059 public:
00061   typedef CastImageFilter  Self;
00062   typedef UnaryFunctorImageFilter<TInputImage,TOutputImage, 
00063     Functor::Cast< 
00064               typename TInputImage::PixelType, 
00065               typename TOutputImage::PixelType>   
00066                 >  Superclass;
00067   typedef SmartPointer<Self>   Pointer;
00068   typedef SmartPointer<const Self>  ConstPointer;
00069 
00071   itkNewMacro(Self);
00072   
00074   itkTypeMacro(CastImageFilter, UnaryFunctorImageFilter);
00075 
00076  protected:
00077   CastImageFilter() {}
00078   virtual ~CastImageFilter() {}
00079 
00080 private:
00081   CastImageFilter(const Self&); //purposely not implemented
00082   void operator=(const Self&); //purposely not implemented
00083 
00084 };
00085 
00086 
00087 } // end namespace itk
00088 
00089 
00090 #endif

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