/span>);</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;    attributes.push_back(<span class="stringliteral">&quot;filter:brightness:skewness&quot;</span>);</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;    attributes.push_back(<span class="stringliteral">&quot;filter:saturation:mean&quot;</span>);</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;    attributes.push_back(<span class="stringliteral">&qu