OpenTTD
null_v.h
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1 /* $Id: null_v.h 26108 2013-11-25 14:30:22Z rubidium $ */
2 
3 /*
4  * This file is part of OpenTTD.
5  * 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.
6  * 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.
7  * 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/>.
8  */
9 
12 #ifndef VIDEO_NULL_H
13 #define VIDEO_NULL_H
14 
15 #include "video_driver.hpp"
16 
18 class VideoDriver_Null : public VideoDriver {
19 private:
20  uint ticks;
21 
22 public:
23  /* virtual */ const char *Start(const char * const *param);
24 
25  /* virtual */ void Stop();
26 
27  /* virtual */ void MakeDirty(int left, int top, int width, int height);
28 
29  /* virtual */ void MainLoop();
30 
31  /* virtual */ bool ChangeResolution(int w, int h);
32 
33  /* virtual */ bool ToggleFullscreen(bool fullscreen);
34  /* virtual */ const char *GetName() const { return "null"; }
35  /* virtual */ bool HasGUI() const { return false; }
36 };
37 
40 public:
41  FVideoDriver_Null() : DriverFactoryBase(Driver::DT_VIDEO, 0, "null", "Null Video Driver") {}
42  /* virtual */ Driver *CreateInstance() const { return new VideoDriver_Null(); }
43 };
44 
45 #endif /* VIDEO_NULL_H */
Factory the null video driver.
Definition: null_v.h:39
Base of all video drivers.
uint ticks
Amount of ticks to run.
Definition: null_v.h:20
Driver * CreateInstance() const
Create an instance of this driver-class.
Definition: null_v.h:42
void MainLoop()
Perform the actual drawing.
Definition: null_v.cpp:45
bool ChangeResolution(int w, int h)
Change the resolution of the window.
Definition: null_v.cpp:55
bool HasGUI() const
Whether the driver has a graphical user interface with the end user.
Definition: null_v.h:35
Base for all driver factories.
Definition: driver.h:60
void Stop()
Stop this driver.
Definition: null_v.cpp:41
void MakeDirty(int left, int top, int width, int height)
Mark a particular area dirty.
Definition: null_v.cpp:43
A driver for communicating with the user.
Definition: driver.h:24
const char * GetName() const
Get the name of this driver.
Definition: null_v.h:34
The base of all video drivers.
A video driver.
Definition: driver.h:45
bool ToggleFullscreen(bool fullscreen)
Change the full screen setting.
Definition: null_v.cpp:57
const char * Start(const char *const *param)
Start this driver.
Definition: null_v.cpp:22
The null video driver.
Definition: null_v.h:18