/* $Id$ */ /* * 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 null.hpp The blitter that doesn't blit. */ #ifndef BLITTER_NULL_HPP #define BLITTER_NULL_HPP #include "base.hpp" #include "factory.hpp" class Blitter_Null : public Blitter { public: /* virtual */ uint8 GetScreenDepth() { return 0; } /* virtual */ void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom) {}; /* virtual */ void DrawColourMappingRect(void *dst, int width, int height, PaletteID pal) {}; /* virtual */ Sprite *Encode(SpriteLoader::Sprite *sprite, Blitter::AllocatorProc *allocator); /* virtual */ void *MoveTo(const void *video, int x, int y) { return NULL; }; /* virtual */ void SetPixel(void *video, int x, int y, uint8 colour) {}; /* virtual */ void DrawRect(void *video, int width, int height, uint8 colour) {}; /* virtual */ void DrawLine(void *video, int x, int y, int x2, int y2, int screen_width, int screen_height, uint8 colour) {}; /* virtual */ void CopyFromBuffer(void *video, const void *src, int width, int height) {}; /* virtual */ void CopyToBuffer(const void *video, void *dst, int width, int height) {}; /* virtual */ void CopyImageToBuffer(const void *video, void *dst, int width, int height, int dst_pitch) {}; /* virtual */ void ScrollBuffer(void *video, int &left, int &top, int &width, int &height, int scroll_x, int scroll_y) {}; /* virtual */ int BufferSize(int width, int height) { return 0; }; /* virtual */ void PaletteAnimate(uint start, uint count) { }; /* virtual */ Blitter::PaletteAnimation UsePaletteAnimation() { return Blitter::PALETTE_ANIMATION_NONE; }; /* virtual */ const char *GetName() { return "null"; } /* virtual */ int GetBytesPerPixel() { return 0; } }; class FBlitter_Null: public BlitterFactory<FBlitter_Null> { public: /* virtual */ const char *GetName() { return "null"; } /* virtual */ const char *GetDescription() { return "Null Blitter (does nothing)"; } /* virtual */ Blitter *CreateInstance() { return new Blitter_Null(); } }; #endif /* BLITTER_NULL_HPP */