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

  Program:   Insight Segmentation & Registration Toolkit
  Module:    $RCSfile: itkNumericTraitsRGBAPixel.h,v $
  Language:  C++
  Date:      $Date: 2007-09-01 06:17:25 +1000 (Sat, 01 Sep 2007) $
  Version:   $Revision: 2 $

  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 __itkNumericTraitsRGBAPixel_h
#define __itkNumericTraitsRGBAPixel_h

#include "itkNumericTraits.h"
#include "itkRGBAPixel.h"

namespace itk
{

/** \class NumericTraits<RGBAPixel<unsigned char> >
 * \brief Define traits for type RGBAPixel<unsigned char>.
 * \ingroup DataRepresentation
 */
template <>
class NumericTraits<RGBAPixel<unsigned char> > {
public:
  typedef RGBAPixel<unsigned char> ValueType;
  typedef RGBAPixel<unsigned char> PrintType;
  typedef RGBAPixel<unsigned char> AbsType;
  typedef RGBAPixel<unsigned short> AccumulateType;
  typedef RGBAPixel<double> RealType;
  typedef double            ScalarRealType;
  typedef RGBAPixel<float>  FloatType;
  static const RGBAPixel<unsigned char> ITKCommon_EXPORT Zero;
  static const RGBAPixel<unsigned char> ITKCommon_EXPORT One;
  static ValueType ZeroValue() { return Zero; }

};
/** \class NumericTraits<RGBAPixel<unsigned short> >
 * \brief Define traits for type RGBAPixel<unsigned short>.
 * \ingroup DataRepresentation
 */
template <>
class NumericTraits<RGBAPixel<unsigned short> > {
public:
  typedef RGBAPixel<unsigned short> ValueType;
  typedef RGBAPixel<unsigned short> PrintType;
  typedef RGBAPixel<unsigned short> AbsType;
  typedef RGBAPixel<unsigned long> AccumulateType;
  typedef RGBAPixel<double> RealType;
  typedef double            ScalarRealType;
  typedef RGBAPixel<float>  FloatType;
  static const RGBAPixel<unsigned short> ITKCommon_EXPORT Zero;
  static const RGBAPixel<unsigned short> ITKCommon_EXPORT One;
  static ValueType ZeroValue() { return Zero; }
  
};

} // end namespace itk

#endif // __itkNumericTraitsRGBPixel_h