</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;    <span class="keyword">using</span> element_t = byte_t;</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;    <span class="keyword">using</span> buffer_t = std::vector&lt;element_t&gt;;</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;    <span class="keyword">using</span> pixel_type = Pixel;</div><div class="line"><a name="l00065"></a><span class="lineno"