mxOutline.prototype.updateViewport=function(){if(null!=this.svg){null==this.viewport&&(this.viewport=this.createViewport(),this.svg.appendChild(this.viewport));var a=this.source.container;a=new mxRectangle(a.scrollLeft,a.scrollTop,a.clientWidth,a.clientHeight);this.isScrolling()||(a.x=-this.source.panDx,a.y=-this.source.panDy);this.viewport.setAttribute("x",a.x);this.viewport.setAttribute("y",a.y);this.viewport.setAttribute("width",a.width);this.viewport.setAttribute("height",a.height)}};