boolean SDLSetVideoMode(boolean);
void SDLCreateBitmapContent(Bitmap *, int, int, int);
void SDLFreeBitmapPointers(Bitmap *);
+void SDLBlitSurface(SDL_Surface *, SDL_Surface *, int, int, int, int, int, int);
void SDLCopyArea(Bitmap *, Bitmap *, int, int, int, int, int, int, int);
void SDLBlitTexture(Bitmap *, int, int, int, int, int, int, int);
void SDLFillRectangle(Bitmap *, int, int, int, int, Uint32);