1 /* $Id$ */

     2 

     3 /** @file null.hpp */

     4 

     5 #ifndef BLITTER_NULL_HPP

     6 #define BLITTER_NULL_HPP

     7 

     8 #include "base.hpp"

     9 #include "factory.hpp"

    10 

    11 class Blitter_Null : public Blitter {

    12 public:

    13 	/* virtual */ uint8 GetScreenDepth() { return 0; }

    14 	/* virtual */ void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom) {};

    15 	/* virtual */ void DrawColorMappingRect(void *dst, int width, int height, int pal) {};

    16 	/* virtual */ Sprite *Encode(SpriteLoader::Sprite *sprite, Blitter::AllocatorProc *allocator);

    17 	/* virtual */ void *MoveTo(const void *video, int x, int y) { return NULL; };

    18 	/* virtual */ void SetPixel(void *video, int x, int y, uint8 color) {};

    19 	/* virtual */ void SetPixelIfEmpty(void *video, int x, int y, uint8 color) {};

    20 	/* virtual */ void SetHorizontalLine(void *video, int width, uint8 color) {};

    21 	/* virtual */ void CopyFromBuffer(void *video, const void *src, int width, int height, int src_pitch) {};

    22 	/* virtual */ void CopyToBuffer(const void *video, void *dst, int width, int height, int dst_pitch) {};

    23 	/* virtual */ void MoveBuffer(void *video_dst, const void *video_src, int width, int height) {};

    24 	/* virtual */ int BufferSize(int width, int height) { return 0; };

    25 };

    26 

    27 class FBlitter_Null: public BlitterFactory<FBlitter_Null> {

    28 public:

    29 	/* virtual */ const char *GetName() { return "null"; }

    30 	/* virtual */ const char *GetDescription() { return "Null Blitter (does nothing)"; }

    31 	/* virtual */ Blitter *CreateInstance() { return new Blitter_Null(); }

    32 };

    33 

    34 #endif /* BLITTER_NULL_HPP */