compositor.hpp

//  SuperTux
//  Copyright (C) 2018 Ingo Ruhnke <grumbel@gmail.com>
//
//  This program 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.
//
//  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.

#ifndef HEADER_SUPERTUX_VIDEO_COMPOSITOR_HPP
#define HEADER_SUPERTUX_VIDEO_COMPOSITOR_HPP

#include <vector>
#include <memory>

#include "util/obstackpp.hpp"

class DrawingContext;
class Rect;
class VideoSystem;

class Compositor final
{
public:
  static bool s_render_lighting;

public:
  Compositor(VideoSystem& video_system, float time_offset);
  ~Compositor();

  void render();

  DrawingContext& make_context(bool overlay = false);

private:
  VideoSystem& m_video_system;

  /* obstack holding the memory of the drawing requests */
  obstack m_obst;

  std::vector<std::unique_ptr<DrawingContext> > m_drawing_contexts;

  float m_time_offset;

private:
  Compositor(const Compositor&) = delete;
  Compositor& operator=(const Compositor&) = delete;
};

#endif

/* EOF */