this.parent = parent;
	public void initialize(CallAdapter call, Rectangle2D.Double parentExtent, Rectangle2D.Double remainderExtent)	{		this.call = call;		this.parentExtent = parentExtent;		this.remainderExtent = remainderExtent;				// System.out.println("Computing " + call + " with parentExtent = " + parentExtent + ", remainderExtent = " + remainderExtent);	}