itkCustomColormapFunction.h

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/*=========================================================================
 *
 *  Copyright NumFOCUS
 *
 *  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
 *
 *         https://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::Function
{
template <typename TScalar, typename TRGBPixel>
class ITK_TEMPLATE_EXPORT CustomColormapFunction : public ColormapFunction<TScalar, TRGBPixel>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(CustomColormapFunction);
 
  using Self = CustomColormapFunction;
  using Superclass = ColormapFunction<TScalar, TRGBPixel>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;

  itkNewMacro(Self);
 
  using typename Superclass::RGBPixelType;
  using typename Superclass::ScalarType;
  using typename Superclass::RealType;
 
  using ChannelType = std::vector<RealType>;
 
  RGBPixelType
  operator()(const TScalar &) const override;
 
  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() = default;
  ~CustomColormapFunction() override = default;
 
private:
  ChannelType m_RedChannel{};
  ChannelType m_GreenChannel{};
  ChannelType m_BlueChannel{};
};
} // namespace itk::Function
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkCustomColormapFunction.hxx"
#endif
 
#endif