protected void processMouseWheelEvent(MouseWheelEvent e) {
   MouseWheelEvent transformedEvent = (MouseWheelEvent) transformMouseEvent(e);
   MouseWheelListener[] mouseWheelListeners =
       transformedEvent.getComponent().getMouseWheelListeners();
   for (MouseWheelListener listener : mouseWheelListeners) {
     listener.mouseWheelMoved(transformedEvent);
   }
   super.processMouseWheelEvent(e);
 }
    private MouseEvent transformMouseEvent(MouseEvent event) {
      if (event == null) {
        throw new IllegalArgumentException("MouseEvent is null");
      }
      MouseEvent newEvent;
      if (event instanceof MouseWheelEvent) {
        MouseWheelEvent mouseWheelEvent = (MouseWheelEvent) event;
        newEvent =
            new MouseWheelEvent(
                mouseWheelEvent.getComponent(),
                mouseWheelEvent.getID(),
                mouseWheelEvent.getWhen(),
                mouseWheelEvent.getModifiers(),
                mouseWheelEvent.getX(),
                mouseWheelEvent.getY(),
                mouseWheelEvent.getClickCount(),
                mouseWheelEvent.isPopupTrigger(),
                mouseWheelEvent.getScrollType(),
                mouseWheelEvent.getScrollAmount(),
                mouseWheelEvent.getWheelRotation());
      } else {
        newEvent =
            new MouseEvent(
                event.getComponent(),
                event.getID(),
                event.getWhen(),
                event.getModifiers(),
                event.getX(),
                event.getY(),
                event.getClickCount(),
                event.isPopupTrigger(),
                event.getButton());
      }
      if (view != null && at.getDeterminant() != 0) {
        Rectangle viewBounds = getTransformedSize();
        Insets insets = JXTransformer.this.getInsets();
        int xgap = (getWidth() - (viewBounds.width + insets.left + insets.right)) / 2;
        int ygap = (getHeight() - (viewBounds.height + insets.top + insets.bottom)) / 2;

        double x = newEvent.getX() + viewBounds.getX() - insets.left;
        double y = newEvent.getY() + viewBounds.getY() - insets.top;
        Point2D p = new Point2D.Double(x - xgap, y - ygap);

        Point2D tp;
        try {
          tp = at.inverseTransform(p, null);
        } catch (NoninvertibleTransformException ex) {
          // can't happen, we check it before
          throw new AssertionError("NoninvertibleTransformException");
        }
        // Use transformed coordinates to get the current component
        mouseCurrentComponent =
            SwingUtilities.getDeepestComponentAt(view, (int) tp.getX(), (int) tp.getY());
        if (mouseCurrentComponent == null) {
          mouseCurrentComponent = JXTransformer.this;
        }
        Component tempComponent = mouseCurrentComponent;
        if (mouseDraggedComponent != null) {
          tempComponent = mouseDraggedComponent;
        }

        Point point =
            SwingUtilities.convertPoint(view, (int) tp.getX(), (int) tp.getY(), tempComponent);
        newEvent.setSource(tempComponent);
        newEvent.translatePoint(point.x - event.getX(), point.y - event.getY());
      }
      return newEvent;
    }