<b>aoutline_resolution</b></td><td>
<p>Outline resolution. This is equivalent to &lsquo;face-&gt;units_per_EM&rsquo; for non-PFR fonts. Optional (parameter can be NULL).</p>
</td></tr>
<tr valign=top><td><b>ametrics_resolution</b></td><td>
<p>Metrics resolution. This is equivalent to &lsquo;outline_resolution&rsquo; for non-PFR fonts. Optional (parameter can be NULL).</p>
</td></tr>
<tr valign=top><td><b>ametrics_x_scale</b></td><td>
<p>A 16.16 fixed-point number used to scale distance expressed in metrics 