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libfreetype6-devel-2.3.12-1.9mdv2010.2.i586.rpm

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<center><h1>FreeType-2.3.12 API Reference</h1></center>

<center><h1>
PFR Fonts
</h1></center>
<h2>Synopsis</h2>
<table align=center cellspacing=5 cellpadding=0 border=0>
<tr><td></td><td><a href="#FT_Get_PFR_Metrics">FT_Get_PFR_Metrics</a></td><td></td><td><a href="#FT_Get_PFR_Kerning">FT_Get_PFR_Kerning</a></td><td></td><td><a href="#FT_Get_PFR_Advance">FT_Get_PFR_Advance</a></td></tr>
</table><br><br>

<table align=center width="87%"><tr><td>
<p>This section contains the declaration of PFR-specific functions.</p>
</td></tr></table><br>
<table align=center width="75%"><tr><td>
<h4><a name="FT_Get_PFR_Metrics">FT_Get_PFR_Metrics</a></h4>
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Defined in FT_PFR_H (freetype/ftpfr.h).
</td></tr></table><br>
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  FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
  <b>FT_Get_PFR_Metrics</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a>    face,
                      <a href="ft2-basic_types.html#FT_UInt">FT_UInt</a>   *aoutline_resolution,
                      <a href="ft2-basic_types.html#FT_UInt">FT_UInt</a>   *ametrics_resolution,
                      <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a>  *ametrics_x_scale,
                      <a href="ft2-basic_types.html#FT_Fixed">FT_Fixed</a>  *ametrics_y_scale );

</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Return the outline and metrics resolutions of a given PFR face.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>Handle to the input face. It can be a non-PFR face.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><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 units to device sub-pixels. This is equivalent to &lsquo;face-&gt;size-&gt;x_scale&rsquo;, but for metrics only. Optional (parameter can be NULL).</p>
</td></tr>
<tr valign=top><td><b>ametrics_y_scale</b></td><td>
<p>Same as &lsquo;ametrics_x_scale&rsquo; but for the vertical direction. optional (parameter can be NULL).</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>If the input face is not a PFR, this function will return an error. However, in all cases, it will return valid values.</p>
</td></tr></table>
</td></tr></table>
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<table align=center width="75%"><tr><td>
<h4><a name="FT_Get_PFR_Kerning">FT_Get_PFR_Kerning</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_PFR_H (freetype/ftpfr.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>

  FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
  <b>FT_Get_PFR_Kerning</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a>     face,
                      <a href="ft2-basic_types.html#FT_UInt">FT_UInt</a>     left,
                      <a href="ft2-basic_types.html#FT_UInt">FT_UInt</a>     right,
                      <a href="ft2-basic_types.html#FT_Vector">FT_Vector</a>  *avector );

</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Return the kerning pair corresponding to two glyphs in a PFR face. The distance is expressed in metrics units, unlike the result of <a href="ft2-base_interface.html#FT_Get_Kerning">FT_Get_Kerning</a>.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A handle to the input face.</p>
</td></tr>
<tr valign=top><td><b>left</b></td><td>
<p>Index of the left glyph.</p>
</td></tr>
<tr valign=top><td><b>right</b></td><td>
<p>Index of the right glyph.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>avector</b></td><td>
<p>A kerning vector.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>This function always return distances in original PFR metrics units. This is unlike <a href="ft2-base_interface.html#FT_Get_Kerning">FT_Get_Kerning</a> with the <a href="ft2-base_interface.html#FT_Kerning_Mode">FT_KERNING_UNSCALED</a> mode, which always returns distances converted to outline units.</p>
<p>You can use the value of the &lsquo;x_scale&rsquo; and &lsquo;y_scale&rsquo; parameters returned by <a href="ft2-pfr_fonts.html#FT_Get_PFR_Metrics">FT_Get_PFR_Metrics</a> to scale these to device sub-pixels.</p>
</td></tr></table>
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<table align=center width="75%"><tr><td>
<h4><a name="FT_Get_PFR_Advance">FT_Get_PFR_Advance</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_PFR_H (freetype/ftpfr.h).
</td></tr></table><br>
<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>

  FT_EXPORT( <a href="ft2-basic_types.html#FT_Error">FT_Error</a> )
  <b>FT_Get_PFR_Advance</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a>   face,
                      <a href="ft2-basic_types.html#FT_UInt">FT_UInt</a>   gindex,
                      <a href="ft2-basic_types.html#FT_Pos">FT_Pos</a>   *aadvance );

</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Return a given glyph advance, expressed in original metrics units, from a PFR font.</p>
</td></tr></table><br>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>input</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>face</b></td><td>
<p>A handle to the input face.</p>
</td></tr>
<tr valign=top><td><b>gindex</b></td><td>
<p>The glyph index.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>output</b></em></td></tr><tr><td>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>aadvance</b></td><td>
<p>The glyph advance in metrics units.</p>
</td></tr>
</table>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>return</b></em></td></tr><tr><td>
<p>FreeType error code. 0&nbsp;means success.</p>
</td></tr></table>
<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>You can use the &lsquo;x_scale&rsquo; or &lsquo;y_scale&rsquo; results of <a href="ft2-pfr_fonts.html#FT_Get_PFR_Metrics">FT_Get_PFR_Metrics</a> to convert the advance to device sub-pixels (i.e., 1/64th of pixels).</p>
</td></tr></table>
</td></tr></table>
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