protected boolean getFlipY (Node contNode) throws ParseException {
        logger.entering(getClass().getName(), "getFlipY", contNode);
        boolean flipY = false;
        String strValue = getProcessingInstructionValue(contNode, "flip-y");
        if (strValue != null) flipY = strValue.equalsIgnoreCase("true");
        logger.exiting(getClass().getName(), "getFlipY", flipY);
        return flipY;
    }