* @param a an element of the transformation matrix
     * @param b an element of the transformation matrix
     * @param c an element of the transformation matrix
     * @param d an element of the transformation matrix
     * @param e an element of the transformation matrix
     * @param f an element of the transformation matrix
     * @throws DocumentException on error
     */
    public void addImage(final Image image, final float a, final float b, final float c, final float d, final float e, final float f) throws DocumentException {
        addImage(image, a, b, c, d, e, f, false);
    }