Function SDL_SurfaceHasColorKey 

pub unsafe extern "C" fn SDL_SurfaceHasColorKey(
    surface: *mut SDL_Surface,
) -> bool

Returns whether the surface has a color key.

It is safe to pass a NULL surface here; it will return false.

Parameters

• surface: the SDL_Surface structure to query.

Return value

Returns true if the surface has a color key, false otherwise.

Thread safety

It is safe to call this function from any thread.

Availability

This function is available since SDL 3.2.0.

See also

• SDL_SetSurfaceColorKey
• SDL_GetSurfaceColorKey