(This is the documentation for SDL3, which is under heavy development and the API is changing! SDL2 is the current stable version!)

SDL_SurfaceHasColorKey

Returns whether the surface has a color key

Syntax

SDL_bool SDL_SurfaceHasColorKey(SDL_Surface *surface);

Function Parameters

surface

the SDL_Surface structure to query

Return Value

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

Remarks

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

Version

This function is available since SDL 3.0.0.

Related Functions

• SDL_SetSurfaceColorKey
• SDL_GetSurfaceColorKey

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CategoryAPI

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