 (in cartesian space, not bitmap space).</p>

        <p>As a consequence, the values of <tt>bitmap_left</tt> and
        <tt>bitmap_top</tt> correspond to the bitmap origin in target space
        pixels.  We thus don't add <tt>pen.x</tt> or <tt>pen.y</tt> to their
        values when calling <tt>my_draw_bitmap</tt>.</p>
      </li>

      <li>
        <p>The advance width is always returned transformed, which is why it
        can be directly added to the current pen position.  Note that it is
        <em