GradientColorMap.h

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// Copyright (c) 2012-2019 University of Lyon and CNRS (France).
// All rights reserved.
//
// This file is part of MEPP2; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; either version 3 of
// the License, or (at your option) any later version.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
#pragma once
 
#include <iostream>
#include "Base/Color.hpp"
 
namespace FEVV {
 
template< typename PValue >
class GradientColorMap
{
 
public:
  using Value = PValue;
 
  GradientColorMap() = delete;
 
  GradientColorMap(const Value &_min,
                   const Value &_max,
                   const Color &_firstColor,
                   const Color &_lastColor);
 
  GradientColorMap(const GradientColorMap &_other);
 
  ~GradientColorMap() = default;
 
 
  Color operator()(const Value &_value) const;
 
  GradientColorMap &operator=(const GradientColorMap &_other);
 
  void addColor(const Color &_color);
 
  void clear();
 
  const Value &minValue() const;
 
  const Value &maxValue() const;
 
  static Color getColor(const std::vector< Color > &_colors,
                        const Value &_min,
                        const Value &_max,
                        const Value &_value);
 
protected:
  Value myMin;                   
  Value myMax;                   
  std::vector< Color > myColors; 
};
} // namespace FEVV
 
 
#include "Base/GradientColorMap.inl"