ng on the bitmap's vertical
        orientation
      </td>
    </tr>

    <tr>
      <td valign=top>
        <tt>buffer</tt>
      </td>
      <td valign=top>
        a typeless pointer to the bitmap pixel bufer
      </td>
    </tr>

    <tr>
      <td valign=top>
        <tt>pixel_mode</tt>
      </td>
      <td valign=top>
        an enumeration used to describe the pixel format of the bitmap;
        examples are <tt>ft_pixel_mode_mono</tt> for 1-bit monochrome
        bitmaps and <tt>ft_pixel_mode_gra