">   43</span>&#160;    PNGBitmapBuffer createMemoryPNGRepresentation () <span class="keyword">override</span>;</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="comment">//-----------------------------------------------------------------------------</span></div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="keyword">protected</span>:</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;  