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/* $Id$ */
/*
* 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 */
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