video_driver.hpp

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00001 /* $Id: video_driver.hpp 17248 2009-08-21 20:21:05Z rubidium $ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * 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.
00006  * 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.
00007  * 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/>.
00008  */
00009 
00012 #ifndef VIDEO_VIDEO_DRIVER_HPP
00013 #define VIDEO_VIDEO_DRIVER_HPP
00014 
00015 #include "../driver.h"
00016 #include "../core/geometry_type.hpp"
00017 
00018 class VideoDriver: public Driver {
00019 public:
00020   virtual void MakeDirty(int left, int top, int width, int height) = 0;
00021 
00022   virtual void MainLoop() = 0;
00023 
00024   virtual bool ChangeResolution(int w, int h) = 0;
00025 
00026   virtual bool ToggleFullscreen(bool fullscreen) = 0;
00027 };
00028 
00029 class VideoDriverFactoryBase: public DriverFactoryBase {
00030 };
00031 
00032 template <class T>
00033 class VideoDriverFactory: public VideoDriverFactoryBase {
00034 public:
00035   VideoDriverFactory() { this->RegisterDriver(((T *)this)->GetName(), Driver::DT_VIDEO, ((T *)this)->priority); }
00036 
00040   const char *GetName();
00041 };
00042 
00043 extern VideoDriver *_video_driver;
00044 extern char *_ini_videodriver;
00045 extern int _num_resolutions;
00046 extern Dimension _resolutions[32];
00047 extern Dimension _cur_resolution;
00048 
00049 #endif /* VIDEO_VIDEO_DRIVER_HPP */

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