public function Main() {
    var tf:TextField = new TextField();

    tf.scaleX = 2;
    tf.scaleY = 2;

    tf.baseWidth = 200;
    tf.baseHeight = 200;

                   /* 400 */
    tf.baseWidth = tf.computedWidth + 5; //tf.width += 5;
    /*405*/

                    /* 400 */
    tf.baseHeight = tf.computedHeight * 2; //tf.height *= 2;
    /*800*/

          /* 810 */          /*1600*/
    trace(tf.computedWidth, tf.computedHeight);
}