arrowheadRight = new Line(0, 0, 0, 0);
parent.add(arrowheadRight);
updateArrowhead();
}
private void addEdge(VGraphComponent parent) {
<BUG>edge = new Line((int) Math.round(getCenterX(from)),

(int) Math.round(getCenterY(from)),
(int) Math.round(getCenterX(to)),
(int) Math.round(getCenterY(to)));
</BUG>
parent.add(edge);

arrowheadRight = new Line(0, 0, 0, 0);
parent.add(arrowheadRight);
updateArrowhead();
