n style="white-space:nowrap">target:<span class="type">DisplayObject</span></span>):<span class="type">Rectangle</span></code></h3><div class="doc"><p>getBounds优化计算</p><p class="javadoc">Parameters:</p><table class="table table-bordered params"><tr><th style="width:25%;"><code>parent</code></th><td></td></tr></table><p class="javadoc">Returns:</p><div class="indent inline-content"><p>openfl.geom.Rectangle</p></div></div></div><div class="field "><a name="getStageHeight"></a><h3 class="anchor"><code>