mxHandle.prototype.isHtmlRequired=function(){return null!=this.state.text&&this.state.text.node.parentNode==this.graph.container};mxHandle.prototype.rotatePoint=function(a,b){var c=this.state.getCellBounds();c=new mxPoint(c.getCenterX(),c.getCenterY());return mxUtils.getRotatedPoint(a,Math.cos(b),Math.sin(b),c)};