# base.hpp

    00001 /* $Id: base.hpp 11684 2007-12-23 10:56:02Z rubidium $ */
    00002
    00003 #ifndef BLITTER_BASE_HPP
    00004 #define BLITTER_BASE_HPP
    00005
    00006 #include "../spritecache.h"
    00007 #include "../spriteloader/spriteloader.hpp"
    00008 #include "../zoom_type.h"
    00009
    00010 enum BlitterMode {
    00011   BM_NORMAL,
    00012   BM_COLOUR_REMAP,
    00013   BM_TRANSPARENT,
    00014 };
    00015
    00019 class Blitter {
    00020 public:
    00021   struct BlitterParams {
    00022     const void *sprite;
    00023     const byte *remap;
    00024
    00025     int skip_left, skip_top;
    00026     int width, height;
    00027     int sprite_width;
    00028     int sprite_height;
    00029     int left, top;
    00030
    00031     void *dst;
    00032     int pitch;
    00033   };
    00034
    00035   enum PaletteAnimation {
    00036     PALETTE_ANIMATION_NONE,
    00037     PALETTE_ANIMATION_VIDEO_BACKEND,
    00038     PALETTE_ANIMATION_BLITTER,
    00039   };
    00040
    00041   typedef void *AllocatorProc(size_t size);
    00042
    00047   virtual uint8 GetScreenDepth() = 0;
    00048
    00052   virtual void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom) = 0;
    00053
    00063   virtual void DrawColorMappingRect(void *dst, int width, int height, int pal) = 0;
    00064
    00068   virtual Sprite *Encode(SpriteLoader::Sprite *sprite, Blitter::AllocatorProc *allocator) = 0;
    00069
    00078   virtual void *MoveTo(const void *video, int x, int y) = 0;
    00079
    00087   virtual void SetPixel(void *video, int x, int y, uint8 color) = 0;
    00088
    00096   virtual void SetPixelIfEmpty(void *video, int x, int y, uint8 color) = 0;
    00097
    00104   virtual void DrawRect(void *video, int width, int height, uint8 color) = 0;
    00105
    00117   virtual void DrawLine(void *video, int x, int y, int x2, int y2, int screen_width, int screen_height, uint8 color) = 0;
    00118
    00127   virtual void CopyFromBuffer(void *video, const void *src, int width, int height) = 0;
    00128
    00137   virtual void CopyToBuffer(const void *video, void *dst, int width, int height) = 0;
    00138
    00147   virtual void CopyImageToBuffer(const void *video, void *dst, int width, int height, int dst_pitch) = 0;
    00148
    00159   virtual void ScrollBuffer(void *video, int &left, int &top, int &width, int &height, int scroll_x, int scroll_y) = 0;
    00160
    00167   virtual int BufferSize(int width, int height) = 0;
    00168
    00175   virtual void PaletteAnimate(uint start, uint count) = 0;
    00176
    00181   virtual Blitter::PaletteAnimation UsePaletteAnimation() = 0;
    00182
    00186   virtual const char *GetName() = 0;
    00187
    00188   virtual ~Blitter() { }
    00189 };
    00190
    00191 #endif /* BLITTER_BASE_HPP */