<b>error</b></a>
if reading the image fails.</p>

<hr>

<p><a name="encode"><i>Function</i> <b>ENCODE</b></a>

<p><b>Syntax:</b>
<p><b>encode</b> <i>image</i> <i>output</i> => <a
href="http://www.lispworks.com/documentation/HyperSpec/Body/a_t.htm"><b><i>t</i></b></a>

<p><b>Arguments and Values:</b>
<p><i>image</i>---a <a href="#grayscale-image"><i>grayscale-image</i></a> or <a href="#rgb-image"><i>rgb-image</i></a> 
<p><i>output</i>---an fd <a
href="http://www.lispworks.com/documentation/HyperSpec/Body/26_