itkScalarToRGBPixelFunctor.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
#ifndef __itkScalarToRGBPixelFunctor_h
#define __itkScalarToRGBPixelFunctor_h

#include "itkRGBPixel.h"

namespace itk
{
namespace Functor
{
template< typename TScalar >
class ScalarToRGBPixelFunctor
{
public:
  ScalarToRGBPixelFunctor();
  ~ScalarToRGBPixelFunctor() {}

  typedef unsigned char                RGBComponentType;
  typedef RGBPixel< RGBComponentType > RGBPixelType;
  typedef TScalar                      ScalarType;

  RGBPixelType operator()(const TScalar &) const;

  void SetLittleEndian()
  {
    m_UseMSBForHashing = false;
  }

  void SetBigEndian()
  {
    m_UseMSBForHashing = true;
  }

  void SetUseMSBForHashing(bool value)
  {
    m_UseMSBForHashing = value;
  }

  bool GetUseMSBForHashing() const
  {
    return m_UseMSBForHashing;
  }

  void UseMSBForHashingOn()
  {
    m_UseMSBForHashing = true;
  }

  void UseMSBForHashingOff()
  {
    m_UseMSBForHashing = false;
  }


private:
  bool          m_UseMSBForHashing;
  unsigned int  m_ColorIndex[3];
};
} // end namespace functor
} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkScalarToRGBPixelFunctor.hxx"
#endif

#endif