<span class="keyword">using</span> color_converter_type = <span class="keywordtype">void</span> *;</div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;</div><div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> InIterator, <span class="keyword">typename</span> OutIterator&gt;</div><div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;    <span cla