iven channel on the buffer

</dd>
<a id="palette,Buffer,openArray[Pixel]"></a>
<dt><pre><span class="Keyword">proc</span> <a href="#palette%2CBuffer%2CopenArray%5BPixel%5D"><span class="Identifier">palette</span></a><span class="Other">(</span><span class="Identifier">buf</span><span class="Other">:</span> <a href="suffer.html#Buffer"><span class="Identifier">Buffer</span></a><span class="Other">;</span> <span class="Identifier">palette</span><span class="Other">:</span> <span class="Identifier">openArray</