et_color</a>(dst,<a class="code" href="structboost_1_1gil_1_1black__t.html">black_t</a>())=</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;            channel_convert&lt;typename color_element_type&lt;P2, black_t &gt;::type&gt;(<a class="code" href="group___color_base_algorithm_color.html#gab2d1dda637cb2b7c32cc87f199ea1dc0">get_color</a>(src,<a class="code" href="structboost_1_1gil_1_1gray__color__t.html">gray_color_t</a>()));</div><div class="line"><a name="l00122"></a><