color_map.h

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/*
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/.
 */
 
#ifndef COLOR_MAP_H
#define COLOR_MAP_H
 
#include <algorithm>
#include <limits>
#include <map>
#include <QColor>
#include <sol/sol.hpp>
 
class ColorMap
{
public:
  using Ptr = std::shared_ptr<ColorMap>;
 
  sol::protected_function_result setScrip(QString script);
 
  QString script() const
  {
    return _script;
  }
 
  QColor mapColor(double value) const;
 
  QString getError(sol::error err) const;
 
private:
  sol::state _lua_engine;
  sol::protected_function _lua_function;
  QString _script;
};
 
// Storing ColoMaps as a "singleton"
std::map<QString, ColorMap::Ptr>& ColorMapLibrary();
void SaveColorMapToSettings();
void LoadColorMapFromSettings();
 
#endif  // COLOR_MAP_H