><a name="l00077"></a><span class="lineno">   77</span>&#160;    <span class="keyword">virtual</span> <span class="keywordtype">float</span> getZoomFactor ()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> zoomFactor; }</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;    <span class="comment">// overrides</span></div><div class="line"><a name="l00081"></a><span 