><a name="l00359"></a><span class="lineno">  359</span>&#160;          <span class="keywordflow">if</span> (!mask(yy, xx)) {</div><div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;            <span class="keywordflow">continue</span>;</div><div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;          }</div><div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;</div><div class="line"><a name="l00363"></a><span class="lineno">  363