53</span>&#160;  % Process rendering parameters</div><div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;  switch (color)</div><div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;   case {<span class="stringliteral">&#39;bw&#39;</span>, <span class="stringliteral">&#39;gray&#39;</span>}</div><div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;    <span class="keywordflow">if</span> ~strcmp(color,<span class="stringliteral">&#39;bw