Ejemplo n.º 1
0
    public void mouseWheelMoved(MouseWheelEvent e) {
      int amount = e.getWheelRotation();

      Point2D p = new Point2D.Double(e.getPoint().getX(), e.getPoint().getY());

      if (amount > 0) zoomOut(p);
      if (amount < 0) zoomIn(p);
    }