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Location: cpp/openttd-patchpack/source/src/blitter/null.hpp - annotation
r9583:b6e25a00b908
2.0 KiB
text/x-c++hdr
(svn r13621) -Fix: building roadbits in the wrong direction on bridges or building roadbits from underneath the bridge to the bridgehead is impossible, so don't silently ignore that error when building over houses and industries is not ignored.
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/** @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 DrawColorMappingRect(void *dst, int width, int height, int 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 color) {};
/* virtual */ void SetPixelIfEmpty(void *video, int x, int y, uint8 color) {};
/* virtual */ void DrawRect(void *video, int width, int height, uint8 color) {};
/* virtual */ void DrawLine(void *video, int x, int y, int x2, int y2, int screen_width, int screen_height, uint8 color) {};
/* 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"; }
};
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 */
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