an>  <span class="comment">// abstract method of BitmappedDisplayController</span></div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> swapBuffers();</div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span>  </div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span>  <span class="keywordtype">void</span> run();</div>
<div class=