OpenTTD Source: src/video/null_v.h Source File

OpenTTD Source 15.0-beta1

null_v.h
Go to the documentation of this file.
1/*
2 * This file is part of OpenTTD.
3 * 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.
4 * 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.
5 * 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/>.
6 */
7
10#ifndef VIDEO_NULL_H
11#define VIDEO_NULL_H
12
13#include "video_driver.hpp"
14
16 class VideoDriver_Null : public VideoDriver {
17private:
18 uint ticks;
19
20public:
21 std::optional<std::string_view> Start(const StringList &param) override;
22
23 void Stop() override;
24
25 void MakeDirty(int left, int top, int width, int height) override;
26
27 void MainLoop() override;
28
29 bool ChangeResolution(int w, int h) override;
30
31 bool ToggleFullscreen(bool fullscreen) override;
32 std::string_view GetName() const override { return "null"; }
33 bool HasGUI() const override { return false; }
34};
35
37 class FVideoDriver_Null : public DriverFactoryBase {
38public:
39 FVideoDriver_Null() : DriverFactoryBase(Driver::DT_VIDEO, 0, "null", "Null Video Driver") {}
40 Driver *CreateInstance() const override { return new VideoDriver_Null(); }
41};
42
43#endif /* VIDEO_NULL_H */
DriverFactoryBase
Base for all driver factories.
Definition driver.h:57
Driver
A driver for communicating with the user.
Definition driver.h:21
Driver::DT_VIDEO
@ DT_VIDEO
A video driver.
Definition driver.h:42
FVideoDriver_Null
Factory the null video driver.
Definition null_v.h:37
FVideoDriver_Null::CreateInstance
Driver * CreateInstance() const override
Create an instance of this driver-class.
Definition null_v.h:40
VideoDriver_Null
The null video driver.
Definition null_v.h:16
VideoDriver_Null::HasGUI
bool HasGUI() const override
Whether the driver has a graphical user interface with the end user.
Definition null_v.h:33
VideoDriver_Null::ticks
uint ticks
Amount of ticks to run.
Definition null_v.h:18
VideoDriver_Null::Stop
void Stop() override
Stop this driver.
Definition null_v.cpp:45
VideoDriver_Null::MainLoop
void MainLoop() override
Perform the actual drawing.
Definition null_v.cpp:49
VideoDriver_Null::ChangeResolution
bool ChangeResolution(int w, int h) override
Change the resolution of the window.
Definition null_v.cpp:66
VideoDriver_Null::MakeDirty
void MakeDirty(int left, int top, int width, int height) override
Mark a particular area dirty.
Definition null_v.cpp:47
VideoDriver_Null::ToggleFullscreen
bool ToggleFullscreen(bool fullscreen) override
Change the full screen setting.
Definition null_v.cpp:68
VideoDriver_Null::Start
std::optional< std::string_view > Start(const StringList &param) override
Start this driver.
Definition null_v.cpp:22
VideoDriver_Null::GetName
std::string_view GetName() const override
Get the name of this driver.
Definition null_v.h:32
VideoDriver
The base of all video drivers.
Definition video_driver.hpp:34
StringList
std::vector< std::string > StringList
Type for a list of strings.
Definition string_type.h:60
video_driver.hpp
Base of all video drivers.