Get the color key (transparent pixel) for a surface.
The color key is a pixel of the format used by the surface, as generated by SDL_MapRGB().
If the surface doesn't have color key enabled this function returns false.
the SDL_Surface structure to query.
a pointer filled in with the transparent pixel.
true on success or false on failure; call SDL_GetError() for more information.
SDL_SetSurfaceColorKey SDL_SurfaceHasColorKey
See Implementation
Get the color key (transparent pixel) for a surface.
The color key is a pixel of the format used by the surface, as generated by SDL_MapRGB().
If the surface doesn't have color key enabled this function returns false.