pan class="keywordtype">char</span>* filename) : png_writer(filename){}
<a name="l00054"></a>00054 
<a name="l00055"></a>00055     <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Views&gt;
<a name="l00056"></a>00056     <span class="keywordtype">void</span> write_view(<span class="keyword">const</span> any_image_view&lt;Views&gt;&amp; runtime_view) {
<a name="l00057"></a>00057         dynamic_io_fnobj&lt;png_write_is_supported, png_writer&gt; op(<span class="keyword">this</sp