Lock an overlay
Returns 0 on success, or -1 on an error
Much the same as SDL_LockSurface, SDL_LockYUVOverlay locks the overlay for direct access to pixel data.
Binds to C-function call in SDL_video.h:
int SDL_LockYUVOverlay(SDL_Overlay *overlay)
Sdl Class | Tao.Sdl Namespace | SDL_UnlockYUVOverlay | SDL_CreateYUVOverlay | Sdl.SDL_Overlay