/* $Id$ */ /* * This file is part of OpenTTD. * OpenTTD 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, version 2. * OpenTTD 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 OpenTTD. If not, see <http://www.gnu.org/licenses/>. */ /** @file video_driver.hpp Base of all video drivers. */ #ifndef VIDEO_VIDEO_DRIVER_HPP #define VIDEO_VIDEO_DRIVER_HPP #include "../driver.h" #include "../core/geometry_type.hpp" /** The base of all video drivers. */ class VideoDriver: public Driver { public: /** * Mark a particular area dirty. * @param left The left most line of the dirty area. * @param top The top most line of the dirty area. * @param width The width of the dirty area. * @param height The height of the dirty area. */ virtual void MakeDirty(int left, int top, int width, int height) = 0; /** * Perform the actual drawing. */ virtual void MainLoop() = 0; /** * Change the resolution of the window. * @param w The new width. * @param h The new height. * @return True if the change succeeded. */ virtual bool ChangeResolution(int w, int h) = 0; /** * Change the full screen setting. * @param fullscreen The new setting. * @return True if the change succeeded. */ virtual bool ToggleFullscreen(bool fullscreen) = 0; }; /** Base of the factory for the video drivers. */ class VideoDriverFactoryBase: public DriverFactoryBase { }; /** * Factory for the video drivers. * @tparam T The type of the video factory to register. */ template <class T> class VideoDriverFactory: public VideoDriverFactoryBase { public: VideoDriverFactory() { this->RegisterDriver(((T *)this)->GetName(), Driver::DT_VIDEO, ((T *)this)->priority); } /** * Get the long, human readable, name for the Driver-class. */ const char *GetName(); }; extern VideoDriver *_video_driver; extern char *_ini_videodriver; extern int _num_resolutions; extern Dimension _resolutions[32]; extern Dimension _cur_resolution; extern bool _rightclick_emulate; #endif /* VIDEO_VIDEO_DRIVER_HPP */