* @param       b           operand 1,2 in the matrix
     * @param       c           operand 2,1 in the matrix
     * @param       d           operand 2,2 in the matrix
     * @param       x           operand 3,1 in the matrix
     * @param       y           operand 3,2 in the matrix
     */
    public void setTextMatrix(final float a, final float b, final float c, final float d, final float x, final float y) {
        state.xTLM = x;
        state.yTLM = y;
        content.append(a).append(' ').append(b).append_i(' ')
        .append(c).append_i(' ').append(d).append_i(' ')
        .append(x).append_i(' ').append(y).append(" Tm").append_i(separator);
    }