itkCustomColormapFunction.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 __itkCustomColormapFunction_h
#define __itkCustomColormapFunction_h

#include "itkColormapFunction.h"

#include <vector>

namespace itk
{
namespace Function
{
template< class TScalar, class TRGBPixel >
class ITK_EXPORT CustomColormapFunction:
  public ColormapFunction< TScalar, TRGBPixel >
{
public:

  typedef CustomColormapFunction                 Self;
  typedef ColormapFunction< TScalar, TRGBPixel > Superclass;
  typedef SmartPointer< Self >                   Pointer;
  typedef SmartPointer< const Self >             ConstPointer;

  itkNewMacro(Self);

  typedef typename Superclass::RGBPixelType RGBPixelType;
  typedef typename Superclass::ScalarType   ScalarType;
  typedef typename Superclass::RealType     RealType;

  typedef std::vector< RealType > ChannelType;

  virtual RGBPixelType operator()(const TScalar &) const;

  void SetRedChannel(ChannelType red)
    {
    m_RedChannel = red;
    }

  ChannelType GetRedChannel() const
    {
    return m_RedChannel;
    }

  void SetGreenChannel(ChannelType green)
    {
    m_GreenChannel = green;
    }

  ChannelType GetGreenChannel() const
    {
    return m_GreenChannel;
    }

  void SetBlueChannel(ChannelType blue)
    {
    m_BlueChannel = blue;
    }

  ChannelType GetBlueChannel() const
    {
    return m_BlueChannel;
    }

protected:
  CustomColormapFunction() {}
  ~CustomColormapFunction() {}

private:
  CustomColormapFunction(const Self &); //purposely not implemented
  void operator=(const Self &);        //purposely not implemented

  ChannelType m_RedChannel;
  ChannelType m_GreenChannel;
  ChannelType m_BlueChannel;
};
} // end namespace functor
} // end namespace itk

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

#endif