Vamos Automotive Simulator git

//  Convenience functions for 2D OpenGl rendering.
//
//  Copyright (C) 2013-2019 Sam Varner
//
//  This file is part of Vamos Automotive Simulator.
//
//  Vamos 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.
//
//  Vamos 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 Vamos.  If not, see <http://www.gnu.org/licenses/>.

#ifndef _TWO_D_H_
#define _TWO_D_H_

#include "../geometry/Rectangle.hpp"

#include <iomanip>
#include <sstream>
#include <string>

namespace Vamos_Media
{
class Two_D
{
public:
    Two_D();
    Two_D(int width, int height);
    ~Two_D();

    void text(double x, double y, const std::string &label) { text(x, y, label, ""); }

    template <typename T1, typename T2>
    void text(double x, double y, const T1 &label, const T2 &value, const std::string &units = "",
              int precision = 0)
    {
        std::ostringstream os;
        os.setf(std::ios::fixed);
        os << std::setprecision(precision) << label << ' ' << value << ' ' << units;
        draw_string(os.str(), x, y);
    }

    void bar(const Vamos_Geometry::Rectangle &box, double red, double green, double blue,
             double fraction);

    void lights(double x, double y, double r, int n, int n_on, double red_on, double green_on,
                double blue_on, double red_off, double green_off, double blue_off);

    void vector(double x, double y, double r, double red, double green, double blue, double red_dot,
                double green_dot, double blue_dot, const Vamos_Geometry::Two_Vector &v);

private:
    double m_width;
    double m_height;

    void initialize();

    void draw_string(const std::string &str, double x, double y);
};
} // namespace Vamos_Media

#endif // not _TWO_D_H_