if (image == null) { UserNotifier un = control.getRegistry().getUserNotifier(); un.notifyInfo("Save image", saveMessage); cancelPreviewSaveImage(); return; }
    private void handleSaveImage()    {        image = control.getDisplayImage();        lensImage = null;        saveMessage = MAIN_MSG;        preview.setImage(image);        UIUtilities.centerAndShow(preview);    }