= SDL_HasColorKey =

Returns whether the surface has a color key 

== Syntax ==

<syntaxhighlight lang='c'>
SDL_bool SDL_HasColorKey(SDL_Surface * surface);
</syntaxhighlight>

== Function Parameters ==

{|
|'''surface'''
|the [[SDL_Surface]] structure to query
|}

== Return Value ==

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

== Remarks ==

It is safe to pass a NULL <code>surface</code> here; it will return
[[SDL_FALSE]].

== Version ==

This function is available since SDL 2.0.9.

== Related Functions ==

:[[SDL_SetColorKey]]
:[[SDL_GetColorKey]]

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[[CategoryAPI]]