mxUtils.bind(this,function(c){this.graph.fireMouseEvent(mxEvent.MOUSE_DOWN,new mxMouseEvent(c))}),mxUtils.bind(this,function(c){this.graph.fireMouseEvent(mxEvent.MOUSE_MOVE,new mxMouseEvent(c))}),mxUtils.bind(this,function(c){this.graph.fireMouseEvent(mxEvent.MOUSE_UP,new mxMouseEvent(c))}))}this.redrawBackgroundImage(this.backgroundImage,a)}else null!=this.backgroundImage&&(this.backgroundImage.destroy(),this.backgroundImage=null)};