��计算的舞台宽度</p>
<pre><code> *  @return Float
</code></pre></div></div><div class="field "><a name="getSubtractionHeight"></a><h3 class="anchor"><code><span class="label label-meta label-meta-keep" title="Causes a field or type to be kept by DCE.">@:keep</span><a href="#getSubtractionHeight"><span class="identifier">getSubtractionHeight</span></a>():<span class="type">Int</span></code></h3><div class="doc"><p>获取高度削减高度</p><p class="javadoc">Returns:</p><div class="indent inline-con