SDL Wiki
(This is the legacy documentation for stable SDL2, the current stable version; SDL3 is the current development version.)


Returns whether the surface has a color key


SDL_bool SDL_HasColorKey(SDL_Surface * surface);

Function Parameters

surface the SDL_Surface structure to query

Return Value

Return SDL_TRUE if the surface has a color key, SDL_FALSE otherwise.


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


This function is available since SDL 2.0.9.


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