mxSvgCanvas2D.prototype.appendEllipseClip=function(a,b,c){c=this.createElement("ellipse");var d=a.split(/[ ,]+/);a=this.parseClipValue(d,0);var e=this.parseClipValue(d,1),f=this.parseClipValue(d,3);d=this.parseClipValue(d,4);c.setAttribute("rx",a);c.setAttribute("ry",e);c.setAttribute("cx",f);c.setAttribute("cy",d);b.appendChild(c);return new mxRectangle(f-a,d-e,2*a,2*e)};