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Location: cpp/openttd-patchpack/source/src/blitter/null.hpp - annotation
r23584:999b32f7b8dc
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Fix: [MSVC] don't force SDK version (#7474)
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/*
* 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 "factory.hpp"
/** Blitter that does nothing. */
class Blitter_Null : public Blitter {
public:
uint8 GetScreenDepth() override { return 0; }
void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom) override {};
void DrawColourMappingRect(void *dst, int width, int height, PaletteID pal) override {};
Sprite *Encode(const SpriteLoader::Sprite *sprite, AllocatorProc *allocator) override;
void *MoveTo(void *video, int x, int y) override { return NULL; };
void SetPixel(void *video, int x, int y, uint8 colour) override {};
void DrawRect(void *video, int width, int height, uint8 colour) override {};
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 {};
void CopyFromBuffer(void *video, const void *src, int width, int height) override {};
void CopyToBuffer(const void *video, void *dst, int width, int height) override {};
void CopyImageToBuffer(const void *video, void *dst, int width, int height, int dst_pitch) override {};
void ScrollBuffer(void *video, int &left, int &top, int &width, int &height, int scroll_x, int scroll_y) override {};
int BufferSize(int width, int height) override { return 0; };
void PaletteAnimate(const Palette &palette) override { };
Blitter::PaletteAnimation UsePaletteAnimation() override { return Blitter::PALETTE_ANIMATION_NONE; };
const char *GetName() override { return "null"; }
int GetBytesPerPixel() override { return 0; }
};
/** Factory for the blitter that does nothing. */
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 */
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