mxOutline.prototype.updateSvg=function(){null==this.svg&&(this.svg=this.createSvg(),this.addGestureListeners(this.svg),this.container.appendChild(this.svg));var a=this.getViewBox();this.svg.setAttribute("viewBox",Math.round(a.x)+" "+Math.round(a.y)+" "+Math.round(a.width)+" "+Math.round(a.height));a=this.source.background;this.svg.style.backgroundColor=a==mxConstants.NONE?"":a;this.updateDrawPane()};