null.hpp

Go to the documentation of this file.

/*
 * 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/>.
 */
 
#ifndef BLITTER_NULL_HPP
#define BLITTER_NULL_HPP
 
#include "factory.hpp"
 
class Blitter_Null : public Blitter {
public:
  uint8_t GetScreenDepth() override { return 0; }
  void Draw(Blitter::BlitterParams *, BlitterMode, ZoomLevel) override {};
  void DrawColourMappingRect(void *, int, int, PaletteID) override {};
  Sprite *Encode(const SpriteLoader::SpriteCollection &sprite, SpriteAllocator &allocator) override;
  void *MoveTo(void *, int, int) override { return nullptr; };
  void SetPixel(void *, int, int, uint8_t) override {};
  void DrawRect(void *, int, int, uint8_t) override {};
  void DrawLine(void *, int, int, int, int, int, int, uint8_t, int, int) override {};
  void CopyFromBuffer(void *, const void *, int, int) override {};
  void CopyToBuffer(const void *, void *, int, int) override {};
  void CopyImageToBuffer(const void *, void *, int, int, int) override {};
  void ScrollBuffer(void *, int &, int &, int &, int &, int, int) override {};
  size_t BufferSize(uint, uint) override { return 0; };
  void PaletteAnimate(const Palette &) override { };
  Blitter::PaletteAnimation UsePaletteAnimation() override { return Blitter::PALETTE_ANIMATION_NONE; };
 
  std::string_view GetName() override { return "null"; }
};
 
class FBlitter_Null : public BlitterFactory {
public:
  FBlitter_Null() : BlitterFactory("null", "Null Blitter (does nothing)") {}
  Blitter *CreateInstance() override { return new Blitter_Null(); }
};
 
#endif /* BLITTER_NULL_HPP */