static void animateBounds(final Component c, final Rect a, final Rect b) {
  final long startTime = sysNow();
  awtEvery(c, 50, func {
    double s = msToSeconds(sysNow()-startTime);
    if (s >= 1) {
      setBounds(c, b);
      false;
    }
    setBounds(c, blendRects(a, b, s));
    null;
  });
}