"px",this.canvas.parentNode.appendChild(this.placeholder),c=this.drawPane.style.display,this.canvas.style.display="none",this.textDiv=document.createElement("div"),this.textDiv.style.position="absolute",this.textDiv.style.whiteSpace="nowrap",this.textDiv.style.visibility="hidden",this.textDiv.style.display="inline-block",this.textDiv.style.zoom="1",document.body.appendChild(this.textDiv));a=this.getBoundingBox(this.validateCellState(this.validateCell(a||(null!=this.currentRoot?this.currentRoot:this.graph.getModel().getRoot()))));