4 SDL_Surface* connectSurface(SDL_Surface* top,SDL_Surface* bottom);
5 void setAlpha(SDL_Surface* surf,double alpha_t);
6 void overrideAlpha(SDL_Surface *src, SDL_Rect *srcrect, SDL_Surface *dst, SDL_Rect *dstrect);
7 void inline shadowBlitSurface(SDL_Surface *src, SDL_Rect *srcrect, SDL_Surface *dst, SDL_Rect *dstrect);
8 void setRGB(SDL_Surface* surf,Uint32 color);
9 #endif /*SURF_UTIL_H_*/