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itkScalarToArrayCastImageFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkScalarToArrayCastImageFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2002/06/11 07:17:00 $
00007   Version:   $Revision: 1.1 $
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 __itkScalarToArrayCastImageFilter_h
00018 #define __itkScalarToArrayCastImageFilter_h
00019 
00020 #include "itkUnaryFunctorImageFilter.h"
00021 
00022 namespace itk
00023 {
00024   
00041 namespace Functor {  
00042   
00043   template< class TInput, class TOutput>
00044   class ScalarToArrayCast
00045   {
00046   public:
00047     ScalarToArrayCast() {}
00048     ~ScalarToArrayCast() {}
00049     inline TOutput operator()( const TInput & A )
00050       {
00051       typedef typename TOutput::ValueType OutputValueType;
00052 
00053       TOutput value;
00054       value[0] = static_cast<OutputValueType>( A );
00055       return value;
00056     }
00057   }; 
00058 }
00059 
00060 template <class TInputImage, class TOutputImage>
00061 class ITK_EXPORT ScalarToArrayCastImageFilter :
00062     public
00063     UnaryFunctorImageFilter<TInputImage,TOutputImage, 
00064     Functor::ScalarToArrayCast< typename TInputImage::PixelType, 
00065                          typename TOutputImage::PixelType>   >
00066 {
00067 public:
00069   typedef ScalarToArrayCastImageFilter  Self;
00070   typedef UnaryFunctorImageFilter<TInputImage,TOutputImage, 
00071     Functor::ScalarToArrayCast< typename TInputImage::PixelType, 
00072     typename TOutputImage::PixelType> >  Superclass;
00073   typedef SmartPointer<Self>   Pointer;
00074   typedef SmartPointer<const Self>  ConstPointer;
00075 
00077   itkNewMacro(Self);
00078   
00079 protected:
00080   ScalarToArrayCastImageFilter() {}
00081   virtual ~ScalarToArrayCastImageFilter() {}
00082 
00083 private:
00084   ScalarToArrayCastImageFilter(const Self&); //purposely not implemented
00085   void operator=(const Self&); //purposely not implemented
00086 
00087 };
00088 
00089 } // end namespace itk
00090 
00091 
00092 #endif

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