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54 lines
2.8 KiB
C++
54 lines
2.8 KiB
C++
/*
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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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Blitter_Null()
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{
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this->SetScreenDepth(0);
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this->SetNoSpriteDataRequired(true);
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}
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void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom) override {};
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void DrawColourMappingRect(void *dst, int width, int height, PaletteID pal) override {};
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Sprite *Encode(const SpriteLoader::SpriteCollection &sprite, AllocatorProc *allocator) override;
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void *MoveTo(void *video, int x, int y) override { return nullptr; };
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void SetPixel(void *video, int x, int y, uint8 colour) override {};
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void SetPixel32(void *video, int x, int y, uint8 colour, uint32 colour32) override {};
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void DrawRect(void *video, int width, int height, uint8 colour) override {};
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void DrawRectAt(void *video, int x, int y, int width, int height, uint8 colour) override {};
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void DrawLine(void *video, int x, int y, int x2, int y2, int screen_width, int screen_height, uint8 colour, int width, int dash) override {};
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void SetRect(void *video, int x, int y, const uint8 *colours, uint lines, uint width, uint pitch) override {};
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void SetRect32(void *video, int x, int y, const uint32 *colours, uint lines, uint width, uint pitch) override {};
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void CopyFromBuffer(void *video, const void *src, int width, int height) override {};
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void CopyToBuffer(const void *video, void *dst, int width, int height) override {};
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void CopyImageToBuffer(const void *video, void *dst, int width, int height, int dst_pitch) override {};
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void ScrollBuffer(void *video, int left, int top, int width, int height, int scroll_x, int scroll_y) override {};
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size_t BufferSize(uint width, uint height) override { return 0; };
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void PaletteAnimate(const Palette &palette) override { };
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Blitter::PaletteAnimation UsePaletteAnimation() override { return Blitter::PALETTE_ANIMATION_NONE; };
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const char *GetName() override { return "null"; }
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};
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/** Factory for the blitter that does nothing. */
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class FBlitter_Null : public BlitterFactory {
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public:
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FBlitter_Null() : BlitterFactory("null", "Null Blitter (does nothing)") {}
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Blitter *CreateInstance() override { return new Blitter_Null(); }
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};
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#endif /* BLITTER_NULL_HPP */
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