mxRectangle.prototype.grow=function(a){this.x-=a;this.y-=a;this.width+=2*a;this.height+=2*a;return this};mxRectangle.prototype.getPoint=function(){return new mxPoint(this.x,this.y)};mxRectangle.prototype.rotate90=function(){var a=(this.width-this.height)/2;this.x+=a;this.y-=a;a=this.width;this.width=this.height;this.height=a};mxRectangle.prototype.equals=function(a){return null!=a&&a.x==this.x&&a.y==this.y&&a.width==this.width&&a.height==this.height};