Wraps SDL_SetColorKey which sets or removes the color key used for the dsdl2.Surface making pixels of the same color transparent
dsdl2.Color specifying pixels that get transparency; null to remove the color key
dsdl2.SDLException if color key unable to set or removed
See Implementation
Wraps SDL_SetColorKey which sets or removes the color key used for the dsdl2.Surface making pixels of the same color transparent