itkRedPixelAccessor.h

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/*=========================================================================

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkRedPixelAccessor.h,v $
  Language:  C++
  Date:      $Date: 2007-04-16 23:35:10 $
  Version:   $Revision: 1.8 $

  Copyright (c) Insight Software Consortium. All rights reserved.
  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even 
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 
     PURPOSE.  See the above copyright notices for more information.

=========================================================================*/
#ifndef __itkRedPixelAccessor_h
#define __itkRedPixelAccessor_h


#include "itkRGBPixel.h"


namespace itk
{

template <class T>
class ITK_EXPORT RedPixelAccessor
{
public:
  typedef   RedPixelAccessor        Self;

  typedef T ExternalType;

  typedef     RGBPixel<T>      InternalType;

  inline void Set( InternalType & output, const ExternalType & input ) const
    { output.SetRed( input ); }

  inline const ExternalType & Get( const InternalType & input ) const
    { return input.GetRed(); }

  bool operator!=( const Self &) const
  {
    return false;
  }

  bool operator==( const Self & other ) const
  {
    return !(*this != other);
  }
};

  
  
}  // end namespace itk


#endif

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