</dd>
<dt>* alpha_key => SDL::Color</dt>
<dd>
- <p>MUST CALL <a href="/SDL-Video.html#get_video_mode">SDL::Video::get_video_mode</a> prior to this. </p>
+ <p>MUST CALL <a href="SDL-Video::get_video_mode.html">SDL::Video::get_video_mode</a> prior to this. </p>
<p>Uses the provided <a href="SDL-Color.html">SDL::Color</a> object (or an array reference with red,
green and blue values) as the color to be turned into transparent
(see 'alpha' below).</p>