FunctionPlot.hpp

/*
 * Copyright (C) Tobias Löw (tobi.loew@protonmail.ch)
 *
 * This file is part of Scatter
 *
 * Scatter is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Scatter is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Scatter.  If not, see <https://www.gnu.org/licenses/>.
 */
 
#pragma once
 
#include <functional>
#include <scatter/plots/PlotBase.hpp>
#include <vector>
 
namespace scatter
{
    class Point;
 
    class FunctionPlot : public PlotBase
    {
      public:
        class Options;
 
      public:
        FunctionPlot(const std::string &label, const std::vector<double> &x, const std::function<double(const double &)> &function,
                     const Options &options);
 
        virtual ~FunctionPlot();
 
        Legend::Entry getLegendEntry();
 
        void render(Renderer &renderer, const Transform &transform);
 
        Options *options();
 
      private:
        std::vector<double> x_;
 
        std::function<double(const double &x)> function_;
 
        std::unique_ptr<Options> options_;
 
      private:
        Point evaluate(const double &x);
 
      public:
        using Ptr = std::unique_ptr<FunctionPlot>;
    };
 
}  // namespace scatter