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itkBluePixelAccessor.h
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itkBluePixelAccessor.h
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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkBluePixelAccessor.h
Language: C++
Date: $Date$
Version: $Revision$
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 __itkBluePixelAccessor_h
#define __itkBluePixelAccessor_h
#include "itkRGBPixel.h"
namespace itk
{
/**
* \class BluePixelAccessor
* \brief Give access to the Blue component of a RGBPixel type
*
* This class is intended to be used as parameter of
* an ImageAdaptor to make an RGBPixel image appear as being
* of scalar type T, showing only the Blue component.
*
* \sa ImageAdaptor
* \ingroup ImageAdaptors
*
*/
template <class T>
class ITK_EXPORT BluePixelAccessor
{
public:
/** Standard class typedefs. */
typedef BluePixelAccessor Self;
/** External typedef. It defines the external aspect
* that this class will exhibit */
typedef T ExternalType;
/** Internal typedef. It defines the internal real
* representation of data */
typedef RGBPixel<T> InternalType;
/** Write access to the Blue component */
inline void Set( InternalType & output, const ExternalType & input ) const
{ output.SetBlue( input ); }
/** Read access to the Blue component */
inline const ExternalType & Get( const InternalType & input ) const
{ return input.GetBlue(); }
bool operator!=( const Self & other ) const
{
return false;
}
bool operator==( const Self & other ) const
{
return !(*this != other);
}
};
} // end namespace itk
#endif