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