src/video/null_v.h

   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
   8 /** @file null_v.h Base of the video driver that doesn't blit. */
   9
  10 #ifndef VIDEO_NULL_H
  11 #define VIDEO_NULL_H
  12
  13 #include "video_driver.hpp"
  14
  15 /** The null video driver. */
  16 class VideoDriver_Null : public VideoDriver {
  17 private:
  18         uint ticks; ///< Amount of ticks to run.
  19
  20 public:
  21         const char *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         const char *GetName() const override { return "null"; }
  33         bool HasGUI() const override { return false; }
  34 };
  35
  36 /** Factory the null video driver. */
  37 class FVideoDriver_Null : public DriverFactoryBase {
  38 public:
  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 */