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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkVectorToRGBPixelAccessor.h,v $
Language: C++
Date: $Date: 2003-12-12 14:20:58 $
Version: $Revision: 1.3 $
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 __itkVectorToRGBPixelAccessor_h
#define __itkVectorToRGBPixelAccessor_h
#include "itkRGBPixel.h"
#include "itkVector.h"
namespace itk
{
namespace Accessor
{
/**
* \class VectorToRGBPixelAccessor
* \brief Give access to a Vector pixel type as if it were a RGBPixel type.
*
* This class is intended to be used as parameter of
* an ImageAdaptor to make an Vector image appear as being
* an image of RGB pixel type.
*
* \sa ImageAdaptor
* \ingroup ImageAdaptors
*
*/
template <class T>
class ITK_EXPORT VectorToRGBPixelAccessor
{
public:
/** Standard class typedefs. */
typedef VectorToRGBPixelAccessor Self;
/** External typedef. It defines the external aspect
* that this class will exhibit */
typedef RGBPixel<T> ExternalType;
/** Internal typedef. It defines the internal real
* representation of data */
typedef Vector<T,3> InternalType;
/** Write access to the VectorToRGB component */
inline void Set( InternalType & output, const ExternalType & input ) const
{
output[0] = input[0];
output[1] = input[1];
output[2] = input[2];
}
/** Read access to the VectorToRGB component */
inline ExternalType Get( const InternalType & input ) const
{
ExternalType rgb(input.GetDataPointer());
return rgb;
}
private:
};
} // end namespace Accessor
} // end namespace itk
#endif
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