public DotPath manageRect(Rectangle2D start, Rectangle2D end) {
final List<CubicCurve2D.Double> list = new ArrayList<CubicCurve2D.Double>(this.beziers);
while (true) {
if (BezierUtils.isCutting(list.get(0), start) == false) {
throw new IllegalStateException();
}
if (BezierUtils.dist(list.get(0)) <= 1.0) {
break;
}
final CubicCurve2D.Double left = new CubicCurve2D.Double();
final CubicCurve2D.Double right = new CubicCurve2D.Double();
list.get(0).subdivide(left, right);
list.set(0, left);
list.add(1, right);
if (BezierUtils.isCutting(list.get(1), start)) {
list.remove(0);
}
}
return new DotPath(list);
}
public Point2D getFrontierIntersection(Shape shape, Rectangle2D... notIn) {
final List<CubicCurve2D.Double> all = new ArrayList<CubicCurve2D.Double>(beziers);
for (int i = 0; i < 8; i++) {
for (CubicCurve2D.Double immutable : all) {
if (contains(immutable, notIn)) {
continue;
}
final CubicCurve2D.Double bez = new CubicCurve2D.Double();
bez.setCurve(immutable);
if (BezierUtils.isCutting(bez, shape)) {
while (BezierUtils.dist(bez) > 1.0) {
BezierUtils.shorten(bez, shape);
}
final Point2D.Double result =
new Point2D.Double((bez.x1 + bez.x2) / 2, (bez.y1 + bez.y2) / 2);
if (contains(result, notIn) == false) {
return result;
}
}
}
cutAllCubic(all);
}
throw new IllegalArgumentException("shape=" + shape);
}