private void initComponentImage(Point pointTarget, Rectangle shapeBounds) {
      if (myImage != null) return;

      myImage = UIUtil.createImage(component, getWidth(), getHeight(), BufferedImage.TYPE_INT_ARGB);
      useSafely(myImage.getGraphics(), imageGraphics -> {
        myBalloon.myPosition.paintComponent(myBalloon, shapeBounds, imageGraphics, pointTarget);
        paintChildrenImpl(imageGraphics);
      });
    }
private void initComponentImage(Point pointTarget, Rectangle shapeBounds)