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 <center><h1>FreeType-2.3.5 API Reference</h1></center>

 <center><h1>
 TrueTypeGX/AAT Validation
 </h1></center>
 <h2>Synopsis</h2>
 <table align=center cellspacing=5 cellpadding=0 border=0>
 <tr><td></td><td><a href="#FT_VALIDATE_GX_LENGTH">FT_VALIDATE_GX_LENGTH</a></td><td></td><td><a href="#FT_TrueTypeGX_Free">FT_TrueTypeGX_Free</a></td><td></td><td><a href="#FT_ClassicKern_Free">FT_ClassicKern_Free</a></td></tr>
 <tr><td></td><td><a href="#FT_VALIDATE_GXXXX">FT_VALIDATE_GXXXX</a></td><td></td><td><a href="#FT_VALIDATE_CKERNXXX">FT_VALIDATE_CKERNXXX</a></td><td></td><td></td></tr>
 <tr><td></td><td><a href="#FT_TrueTypeGX_Validate">FT_TrueTypeGX_Validate</a></td><td></td><td><a href="#FT_ClassicKern_Validate">FT_ClassicKern_Validate</a></td><td></td><td></td></tr>
 </table><br><br>

 <table align=center width="87%"><tr><td>
 <p>This section contains the declaration of functions to validate some TrueTypeGX tables (feat, mort, morx, bsln, just, kern, opbd, trak, prop, lcar).</p>
 </td></tr></table><br>
 <table align=center width="75%"><tr><td>
 <h4><a name="FT_VALIDATE_GX_LENGTH">FT_VALIDATE_GX_LENGTH</a></h4>
 <table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>

 #define <b>FT_VALIDATE_GX_LENGTH</b>     (FT_VALIDATE_GX_LAST_INDEX + 1)

 </pre></table><br>
 <table align=center width="87%"><tr><td>
 <p>The number of tables checked in this module. Use it as a parameter for the &lsquo;table-length&rsquo; argument of function <a href="ft2-gx_validation.html#FT_TrueTypeGX_Validate">FT_TrueTypeGX_Validate</a>.</p>
 </td></tr></table><br>
 </td></tr></table>
 <hr width="75%">
 <table align=center width="75%"><tr><td><font size=-2>[<a href="
 ft2-index.html">Index</a>]</font></td>
 <td width="100%"></td>
 <td><font size=-2>[<a href="
 ft2-toc.html">TOC</a>]</font></td></tr></table>

 <table align=center width="75%"><tr><td>
 <h4><a name="FT_VALIDATE_GXXXX">FT_VALIDATE_GXXXX</a></h4>
 <table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>

 #define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_feat</a>  FT_VALIDATE_GX_BITFIELD( feat )
 #define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_mort</a>  FT_VALIDATE_GX_BITFIELD( mort )
 #define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_morx</a>  FT_VALIDATE_GX_BITFIELD( morx )
 #define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_bsln</a>  FT_VALIDATE_GX_BITFIELD( bsln )
 #define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_just</a>  FT_VALIDATE_GX_BITFIELD( just )
 #define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_kern</a>  FT_VALIDATE_GX_BITFIELD( kern )
 #define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_opbd</a>  FT_VALIDATE_GX_BITFIELD( opbd )
 #define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_trak</a>  FT_VALIDATE_GX_BITFIELD( trak )
 #define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_prop</a>  FT_VALIDATE_GX_BITFIELD( prop )
 #define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_lcar</a>  FT_VALIDATE_GX_BITFIELD( lcar )

 #define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_GX</a>  ( <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_feat</a> | \
                           <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_mort</a> | \
                           <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_morx</a> | \
                           <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_bsln</a> | \
                           <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_just</a> | \
                           <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_kern</a> | \
                           <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_opbd</a> | \
                           <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_trak</a> | \
                           <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_prop</a> | \
                           <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_lcar</a> )

 </pre></table><br>
 <table align=center width="87%"><tr><td>
 <p>A list of bit-field constants used with <a href="ft2-gx_validation.html#FT_TrueTypeGX_Validate">FT_TrueTypeGX_Validate</a> to indicate which TrueTypeGX/AAT Type tables should be validated.</p>
 </td></tr></table><br>
 <table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>values</b></em></td></tr><tr><td>
 <table cellpadding=3 border=0>
 <tr valign=top><td><b>FT_VALIDATE_feat</b></td><td>
 <p>Validate &lsquo;feat&rsquo; table.</p>
 </td></tr>
 <tr valign=top><td><b>FT_VALIDATE_mort</b></td><td>
 <p>Validate &lsquo;mort&rsquo; table.</p>
 </td></tr>
 <tr valign=top><td><b>FT_VALIDATE_morx</b></td><td>
 <p>Validate &lsquo;morx&rsquo; table.</p>
 </td></tr>
 <tr valign=top><td><b>FT_VALIDATE_bsln</b></td><td>
 <p>Validate &lsquo;bsln&rsquo; table.</p>
 </td></tr>
 <tr valign=top><td><b>FT_VALIDATE_just</b></td><td>
 <p>Validate &lsquo;just&rsquo; table.</p>
 </td></tr>
 <tr valign=top><td><b>FT_VALIDATE_kern</b></td><td>
 <p>Validate &lsquo;kern&rsquo; table.</p>
 </td></tr>
 <tr valign=top><td><b>FT_VALIDATE_opbd</b></td><td>
 <p>Validate &lsquo;opbd&rsquo; table.</p>
 </td></tr>
 <tr valign=top><td><b>FT_VALIDATE_trak</b></td><td>
 <p>Validate &lsquo;trak&rsquo; table.</p>
 </td></tr>
 <tr valign=top><td><b>FT_VALIDATE_prop</b></td><td>
 <p>Validate &lsquo;prop&rsquo; table.</p>
 </td></tr>
 <tr valign=top><td><b>FT_VALIDATE_lcar</b></td><td>
 <p>Validate &lsquo;lcar&rsquo; table.</p>
 </td></tr>
 <tr valign=top><td><b>FT_VALIDATE_GX</b></td><td>
 <p>Validate all TrueTypeGX tables (feat, mort, morx, bsln, just, kern, opbd, trak, prop and lcar).</p>
 </td></tr>
 </table>
 </td></tr></table>
 </td></tr></table>
 <hr width="75%">
 <table align=center width="75%"><tr><td><font size=-2>[<a href="
 ft2-index.html">Index</a>]</font></td>
 <td width="100%"></td>
 <td><font size=-2>[<a href="
 ft2-toc.html">TOC</a>]</font></td></tr></table>

 <table align=center width="75%"><tr><td>
 <h4><a name="FT_TrueTypeGX_Validate">FT_TrueTypeGX_Validate</a></h4>
 <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_TrueTypeGX_Validate</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a>   face,
                           <a href="ft2-basic_types.html#FT_UInt">FT_UInt</a>   validation_flags,
                           <a href="ft2-basic_types.html#FT_Bytes">FT_Bytes</a>  tables[<a href="ft2-gx_validation.html#FT_VALIDATE_GX_LENGTH">FT_VALIDATE_GX_LENGTH</a>],
                           <a href="ft2-basic_types.html#FT_UInt">FT_UInt</a>   table_length );

 </pre></table><br>
 <table align=center width="87%"><tr><td>
 <p>Validate various TrueTypeGX tables to assure that all offsets and indices are valid. The idea is that a higher-level library which actually does the text layout can access those tables without error checking (which can be quite time consuming).</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>
 <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>validation_flags</b></td><td>
 <p>A bit field which specifies the tables to be validated. See <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_GXXXX</a> for possible values.</p>
 </td></tr>
 <tr valign=top><td><b>table_length</b></td><td>
 <p>The size of the &lsquo;tables&rsquo; array. Normally, <a href="ft2-gx_validation.html#FT_VALIDATE_GX_LENGTH">FT_VALIDATE_GX_LENGTH</a> should be passed.</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>
 <table cellpadding=3 border=0>
 <tr valign=top><td><b>tables</b></td><td>
 <p>The array where all validated sfnt tables are stored. The array itself must be allocated by a client.</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 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 only works with TrueTypeGX fonts, returning an error otherwise.</p>
 <p>After use, the application should deallocate the buffers pointed to by each &lsquo;tables&rsquo; element, by calling <a href="ft2-gx_validation.html#FT_TrueTypeGX_Free">FT_TrueTypeGX_Free</a>. A NULL value indicates that the table either doesn't exist in the font, the application hasn't asked for validation, or the validator doesn't have the ability to validate the sfnt table.</p>
 </td></tr></table>
 </td></tr></table>
 <hr width="75%">
 <table align=center width="75%"><tr><td><font size=-2>[<a href="
 ft2-index.html">Index</a>]</font></td>
 <td width="100%"></td>
 <td><font size=-2>[<a href="
 ft2-toc.html">TOC</a>]</font></td></tr></table>

 <table align=center width="75%"><tr><td>
 <h4><a name="FT_TrueTypeGX_Free">FT_TrueTypeGX_Free</a></h4>
 <table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>

   FT_EXPORT( <span class="keyword">void</span> )
   <b>FT_TrueTypeGX_Free</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a>   face,
                       <a href="ft2-basic_types.html#FT_Bytes">FT_Bytes</a>  table );

 </pre></table><br>
 <table align=center width="87%"><tr><td>
 <p>Free the buffer allocated by TrueTypeGX validator.</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>
 <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>table</b></td><td>
 <p>The pointer to the buffer allocated by <a href="ft2-gx_validation.html#FT_TrueTypeGX_Validate">FT_TrueTypeGX_Validate</a>.</p>
 </td></tr>
 </table>
 </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 must be used to free the buffer allocated by <a href="ft2-gx_validation.html#FT_TrueTypeGX_Validate">FT_TrueTypeGX_Validate</a> only.</p>
 </td></tr></table>
 </td></tr></table>
 <hr width="75%">
 <table align=center width="75%"><tr><td><font size=-2>[<a href="
 ft2-index.html">Index</a>]</font></td>
 <td width="100%"></td>
 <td><font size=-2>[<a href="
 ft2-toc.html">TOC</a>]</font></td></tr></table>

 <table align=center width="75%"><tr><td>
 <h4><a name="FT_VALIDATE_CKERNXXX">FT_VALIDATE_CKERNXXX</a></h4>
 <table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>

 #define <a href="ft2-gx_validation.html#FT_VALIDATE_CKERNXXX">FT_VALIDATE_MS</a>     ( FT_VALIDATE_GX_START &lt;&lt; 0 )
 #define <a href="ft2-gx_validation.html#FT_VALIDATE_CKERNXXX">FT_VALIDATE_APPLE</a>  ( FT_VALIDATE_GX_START &lt;&lt; 1 )

 #define <a href="ft2-gx_validation.html#FT_VALIDATE_CKERNXXX">FT_VALIDATE_CKERN</a>  ( <a href="ft2-gx_validation.html#FT_VALIDATE_CKERNXXX">FT_VALIDATE_MS</a> | <a href="ft2-gx_validation.html#FT_VALIDATE_CKERNXXX">FT_VALIDATE_APPLE</a> )

 </pre></table><br>
 <table align=center width="87%"><tr><td>
 <p>A list of bit-field constants used with <a href="ft2-gx_validation.html#FT_ClassicKern_Validate">FT_ClassicKern_Validate</a> to indicate the classic kern dialect or dialects. If the selected type doesn't fit, <a href="ft2-gx_validation.html#FT_ClassicKern_Validate">FT_ClassicKern_Validate</a> regards the table as invalid.</p>
 </td></tr></table><br>
 <table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>values</b></em></td></tr><tr><td>
 <table cellpadding=3 border=0>
 <tr valign=top><td><b>FT_VALIDATE_MS</b></td><td>
 <p>Handle the &lsquo;kern&rsquo; table as a classic Microsoft kern table.</p>
 </td></tr>
 <tr valign=top><td><b>FT_VALIDATE_APPLE</b></td><td>
 <p>Handle the &lsquo;kern&rsquo; table as a classic Apple kern table.</p>
 </td></tr>
 <tr valign=top><td><b>FT_VALIDATE_CKERN</b></td><td>
 <p>Handle the &lsquo;kern&rsquo; as either classic Apple or Microsoft kern table.</p>
 </td></tr>
 </table>
 </td></tr></table>
 </td></tr></table>
 <hr width="75%">
 <table align=center width="75%"><tr><td><font size=-2>[<a href="
 ft2-index.html">Index</a>]</font></td>
 <td width="100%"></td>
 <td><font size=-2>[<a href="
 ft2-toc.html">TOC</a>]</font></td></tr></table>

 <table align=center width="75%"><tr><td>
 <h4><a name="FT_ClassicKern_Validate">FT_ClassicKern_Validate</a></h4>
 <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_ClassicKern_Validate</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a>    face,
                            <a href="ft2-basic_types.html#FT_UInt">FT_UInt</a>    validation_flags,
                            <a href="ft2-basic_types.html#FT_Bytes">FT_Bytes</a>  *ckern_table );

 </pre></table><br>
 <table align=center width="87%"><tr><td>
 <p>Validate classic (16bit format) kern table to assure that the offsets and indices are valid. The idea is that a higher-level library which actually does the text layout can access those tables without error checking (which can be quite time consuming).</p>
 <p>The &lsquo;kern&rsquo; table validator in <a href="ft2-gx_validation.html#FT_TrueTypeGX_Validate">FT_TrueTypeGX_Validate</a> deals with both the new 32bit format and the classic 16bit format, while FT_ClassicKern_Validate only supports the classic 16bit format.</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>
 <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>validation_flags</b></td><td>
 <p>A bit field which specifies the dialect to be validated. See <a href="ft2-gx_validation.html#FT_VALIDATE_CKERNXXX">FT_VALIDATE_CKERNXXX</a> for possible values.</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>
 <table cellpadding=3 border=0>
 <tr valign=top><td><b>ckern_table</b></td><td>
 <p>A pointer to the kern table.</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 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>After use, the application should deallocate the buffers pointed to by &lsquo;ckern_table&rsquo;, by calling <a href="ft2-gx_validation.html#FT_ClassicKern_Free">FT_ClassicKern_Free</a>. A NULL value indicates that the table doesn't exist in the font.</p>
 </td></tr></table>
 </td></tr></table>
 <hr width="75%">
 <table align=center width="75%"><tr><td><font size=-2>[<a href="
 ft2-index.html">Index</a>]</font></td>
 <td width="100%"></td>
 <td><font size=-2>[<a href="
 ft2-toc.html">TOC</a>]</font></td></tr></table>

 <table align=center width="75%"><tr><td>
 <h4><a name="FT_ClassicKern_Free">FT_ClassicKern_Free</a></h4>
 <table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>

   FT_EXPORT( <span class="keyword">void</span> )
   <b>FT_ClassicKern_Free</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a>   face,
                        <a href="ft2-basic_types.html#FT_Bytes">FT_Bytes</a>  table );

 </pre></table><br>
 <table align=center width="87%"><tr><td>
 <p>Free the buffer allocated by classic Kern validator.</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>
 <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>table</b></td><td>
 <p>The pointer to the buffer that is allocated by <a href="ft2-gx_validation.html#FT_ClassicKern_Validate">FT_ClassicKern_Validate</a>.</p>
 </td></tr>
 </table>
 </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 must be used to free the buffer allocated by <a href="ft2-gx_validation.html#FT_ClassicKern_Validate">FT_ClassicKern_Validate</a> only.</p>
 </td></tr></table>
 </td></tr></table>
 <hr width="75%">
 <table align=center width="75%"><tr><td><font size=-2>[<a href="
 ft2-index.html">Index</a>]</font></td>
 <td width="100%"></td>
 <td><font size=-2>[<a href="
 ft2-toc.html">TOC</a>]</font></td></tr></table>

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 </html>
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	<center><h1>FreeType-2.3.5 API Reference</h1></center>

	<center><h1>
	TrueTypeGX/AAT Validation
	</h1></center>
	<h2>Synopsis</h2>
	<table align=center cellspacing=5 cellpadding=0 border=0>
	<tr><td></td><td><a href="#FT_VALIDATE_GX_LENGTH">FT_VALIDATE_GX_LENGTH</a></td><td></td><td><a href="#FT_TrueTypeGX_Free">FT_TrueTypeGX_Free</a></td><td></td><td><a href="#FT_ClassicKern_Free">FT_ClassicKern_Free</a></td></tr>
	<tr><td></td><td><a href="#FT_VALIDATE_GXXXX">FT_VALIDATE_GXXXX</a></td><td></td><td><a href="#FT_VALIDATE_CKERNXXX">FT_VALIDATE_CKERNXXX</a></td><td></td><td></td></tr>
	<tr><td></td><td><a href="#FT_TrueTypeGX_Validate">FT_TrueTypeGX_Validate</a></td><td></td><td><a href="#FT_ClassicKern_Validate">FT_ClassicKern_Validate</a></td><td></td><td></td></tr>
	</table><br><br>

	<table align=center width="87%"><tr><td>
	<p>This section contains the declaration of functions to validate some TrueTypeGX tables (feat, mort, morx, bsln, just, kern, opbd, trak, prop, lcar).</p>
	</td></tr></table><br>
	<table align=center width="75%"><tr><td>
	<h4><a name="FT_VALIDATE_GX_LENGTH">FT_VALIDATE_GX_LENGTH</a></h4>
	<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>

	#define <b>FT_VALIDATE_GX_LENGTH</b> (FT_VALIDATE_GX_LAST_INDEX + 1)

	</pre></table><br>
	<table align=center width="87%"><tr><td>
	<p>The number of tables checked in this module. Use it as a parameter for the ‘table-length’ argument of function <a href="ft2-gx_validation.html#FT_TrueTypeGX_Validate">FT_TrueTypeGX_Validate</a>.</p>
	</td></tr></table><br>
	</td></tr></table>
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	<table align=center width="75%"><tr><td>
	<h4><a name="FT_VALIDATE_GXXXX">FT_VALIDATE_GXXXX</a></h4>
	<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>

	#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_feat</a> FT_VALIDATE_GX_BITFIELD( feat )
	#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_mort</a> FT_VALIDATE_GX_BITFIELD( mort )
	#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_morx</a> FT_VALIDATE_GX_BITFIELD( morx )
	#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_bsln</a> FT_VALIDATE_GX_BITFIELD( bsln )
	#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_just</a> FT_VALIDATE_GX_BITFIELD( just )
	#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_kern</a> FT_VALIDATE_GX_BITFIELD( kern )
	#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_opbd</a> FT_VALIDATE_GX_BITFIELD( opbd )
	#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_trak</a> FT_VALIDATE_GX_BITFIELD( trak )
	#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_prop</a> FT_VALIDATE_GX_BITFIELD( prop )
	#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_lcar</a> FT_VALIDATE_GX_BITFIELD( lcar )

	#define <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_GX</a> ( <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_feat</a> \| \
	<a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_mort</a> \| \
	<a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_morx</a> \| \
	<a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_bsln</a> \| \
	<a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_just</a> \| \
	<a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_kern</a> \| \
	<a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_opbd</a> \| \
	<a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_trak</a> \| \
	<a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_prop</a> \| \
	<a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_lcar</a> )

	</pre></table><br>
	<table align=center width="87%"><tr><td>
	<p>A list of bit-field constants used with <a href="ft2-gx_validation.html#FT_TrueTypeGX_Validate">FT_TrueTypeGX_Validate</a> to indicate which TrueTypeGX/AAT Type tables should be validated.</p>
	</td></tr></table><br>
	<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>values</b></em></td></tr><tr><td>
	<table cellpadding=3 border=0>
	<tr valign=top><td><b>FT_VALIDATE_feat</b></td><td>
	<p>Validate ‘feat’ table.</p>
	</td></tr>
	<tr valign=top><td><b>FT_VALIDATE_mort</b></td><td>
	<p>Validate ‘mort’ table.</p>
	</td></tr>
	<tr valign=top><td><b>FT_VALIDATE_morx</b></td><td>
	<p>Validate ‘morx’ table.</p>
	</td></tr>
	<tr valign=top><td><b>FT_VALIDATE_bsln</b></td><td>
	<p>Validate ‘bsln’ table.</p>
	</td></tr>
	<tr valign=top><td><b>FT_VALIDATE_just</b></td><td>
	<p>Validate ‘just’ table.</p>
	</td></tr>
	<tr valign=top><td><b>FT_VALIDATE_kern</b></td><td>
	<p>Validate ‘kern’ table.</p>
	</td></tr>
	<tr valign=top><td><b>FT_VALIDATE_opbd</b></td><td>
	<p>Validate ‘opbd’ table.</p>
	</td></tr>
	<tr valign=top><td><b>FT_VALIDATE_trak</b></td><td>
	<p>Validate ‘trak’ table.</p>
	</td></tr>
	<tr valign=top><td><b>FT_VALIDATE_prop</b></td><td>
	<p>Validate ‘prop’ table.</p>
	</td></tr>
	<tr valign=top><td><b>FT_VALIDATE_lcar</b></td><td>
	<p>Validate ‘lcar’ table.</p>
	</td></tr>
	<tr valign=top><td><b>FT_VALIDATE_GX</b></td><td>
	<p>Validate all TrueTypeGX tables (feat, mort, morx, bsln, just, kern, opbd, trak, prop and lcar).</p>
	</td></tr>
	</table>
	</td></tr></table>
	</td></tr></table>
	<hr width="75%">
	<table align=center width="75%"><tr><td><font size=-2>[<a href="
	ft2-index.html">Index</a>]</font></td>
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	<table align=center width="75%"><tr><td>
	<h4><a name="FT_TrueTypeGX_Validate">FT_TrueTypeGX_Validate</a></h4>
	<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_TrueTypeGX_Validate</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
	<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> validation_flags,
	<a href="ft2-basic_types.html#FT_Bytes">FT_Bytes</a> tables[<a href="ft2-gx_validation.html#FT_VALIDATE_GX_LENGTH">FT_VALIDATE_GX_LENGTH</a>],
	<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> table_length );

	</pre></table><br>
	<table align=center width="87%"><tr><td>
	<p>Validate various TrueTypeGX tables to assure that all offsets and indices are valid. The idea is that a higher-level library which actually does the text layout can access those tables without error checking (which can be quite time consuming).</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>
	<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>validation_flags</b></td><td>
	<p>A bit field which specifies the tables to be validated. See <a href="ft2-gx_validation.html#FT_VALIDATE_GXXXX">FT_VALIDATE_GXXXX</a> for possible values.</p>
	</td></tr>
	<tr valign=top><td><b>table_length</b></td><td>
	<p>The size of the ‘tables’ array. Normally, <a href="ft2-gx_validation.html#FT_VALIDATE_GX_LENGTH">FT_VALIDATE_GX_LENGTH</a> should be passed.</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>
	<table cellpadding=3 border=0>
	<tr valign=top><td><b>tables</b></td><td>
	<p>The array where all validated sfnt tables are stored. The array itself must be allocated by a client.</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 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 only works with TrueTypeGX fonts, returning an error otherwise.</p>
	<p>After use, the application should deallocate the buffers pointed to by each ‘tables’ element, by calling <a href="ft2-gx_validation.html#FT_TrueTypeGX_Free">FT_TrueTypeGX_Free</a>. A NULL value indicates that the table either doesn't exist in the font, the application hasn't asked for validation, or the validator doesn't have the ability to validate the sfnt table.</p>
	</td></tr></table>
	</td></tr></table>
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	ft2-index.html">Index</a>]</font></td>
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	<table align=center width="75%"><tr><td>
	<h4><a name="FT_TrueTypeGX_Free">FT_TrueTypeGX_Free</a></h4>
	<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>

	FT_EXPORT( <span class="keyword">void</span> )
	<b>FT_TrueTypeGX_Free</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
	<a href="ft2-basic_types.html#FT_Bytes">FT_Bytes</a> table );

	</pre></table><br>
	<table align=center width="87%"><tr><td>
	<p>Free the buffer allocated by TrueTypeGX validator.</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>
	<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>table</b></td><td>
	<p>The pointer to the buffer allocated by <a href="ft2-gx_validation.html#FT_TrueTypeGX_Validate">FT_TrueTypeGX_Validate</a>.</p>
	</td></tr>
	</table>
	</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 must be used to free the buffer allocated by <a href="ft2-gx_validation.html#FT_TrueTypeGX_Validate">FT_TrueTypeGX_Validate</a> only.</p>
	</td></tr></table>
	</td></tr></table>
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	ft2-toc.html">TOC</a>]</font></td></tr></table>

	<table align=center width="75%"><tr><td>
	<h4><a name="FT_VALIDATE_CKERNXXX">FT_VALIDATE_CKERNXXX</a></h4>
	<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>

	#define <a href="ft2-gx_validation.html#FT_VALIDATE_CKERNXXX">FT_VALIDATE_MS</a> ( FT_VALIDATE_GX_START << 0 )
	#define <a href="ft2-gx_validation.html#FT_VALIDATE_CKERNXXX">FT_VALIDATE_APPLE</a> ( FT_VALIDATE_GX_START << 1 )

	#define <a href="ft2-gx_validation.html#FT_VALIDATE_CKERNXXX">FT_VALIDATE_CKERN</a> ( <a href="ft2-gx_validation.html#FT_VALIDATE_CKERNXXX">FT_VALIDATE_MS</a> \| <a href="ft2-gx_validation.html#FT_VALIDATE_CKERNXXX">FT_VALIDATE_APPLE</a> )

	</pre></table><br>
	<table align=center width="87%"><tr><td>
	<p>A list of bit-field constants used with <a href="ft2-gx_validation.html#FT_ClassicKern_Validate">FT_ClassicKern_Validate</a> to indicate the classic kern dialect or dialects. If the selected type doesn't fit, <a href="ft2-gx_validation.html#FT_ClassicKern_Validate">FT_ClassicKern_Validate</a> regards the table as invalid.</p>
	</td></tr></table><br>
	<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>values</b></em></td></tr><tr><td>
	<table cellpadding=3 border=0>
	<tr valign=top><td><b>FT_VALIDATE_MS</b></td><td>
	<p>Handle the ‘kern’ table as a classic Microsoft kern table.</p>
	</td></tr>
	<tr valign=top><td><b>FT_VALIDATE_APPLE</b></td><td>
	<p>Handle the ‘kern’ table as a classic Apple kern table.</p>
	</td></tr>
	<tr valign=top><td><b>FT_VALIDATE_CKERN</b></td><td>
	<p>Handle the ‘kern’ as either classic Apple or Microsoft kern table.</p>
	</td></tr>
	</table>
	</td></tr></table>
	</td></tr></table>
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	<table align=center width="75%"><tr><td>
	<h4><a name="FT_ClassicKern_Validate">FT_ClassicKern_Validate</a></h4>
	<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_ClassicKern_Validate</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
	<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> validation_flags,
	<a href="ft2-basic_types.html#FT_Bytes">FT_Bytes</a> *ckern_table );

	</pre></table><br>
	<table align=center width="87%"><tr><td>
	<p>Validate classic (16bit format) kern table to assure that the offsets and indices are valid. The idea is that a higher-level library which actually does the text layout can access those tables without error checking (which can be quite time consuming).</p>
	<p>The ‘kern’ table validator in <a href="ft2-gx_validation.html#FT_TrueTypeGX_Validate">FT_TrueTypeGX_Validate</a> deals with both the new 32bit format and the classic 16bit format, while FT_ClassicKern_Validate only supports the classic 16bit format.</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>
	<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>validation_flags</b></td><td>
	<p>A bit field which specifies the dialect to be validated. See <a href="ft2-gx_validation.html#FT_VALIDATE_CKERNXXX">FT_VALIDATE_CKERNXXX</a> for possible values.</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>
	<table cellpadding=3 border=0>
	<tr valign=top><td><b>ckern_table</b></td><td>
	<p>A pointer to the kern table.</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 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>After use, the application should deallocate the buffers pointed to by ‘ckern_table’, by calling <a href="ft2-gx_validation.html#FT_ClassicKern_Free">FT_ClassicKern_Free</a>. A NULL value indicates that the table doesn't exist in the font.</p>
	</td></tr></table>
	</td></tr></table>
	<hr width="75%">
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	ft2-index.html">Index</a>]</font></td>
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	<table align=center width="75%"><tr><td>
	<h4><a name="FT_ClassicKern_Free">FT_ClassicKern_Free</a></h4>
	<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>

	FT_EXPORT( <span class="keyword">void</span> )
	<b>FT_ClassicKern_Free</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
	<a href="ft2-basic_types.html#FT_Bytes">FT_Bytes</a> table );

	</pre></table><br>
	<table align=center width="87%"><tr><td>
	<p>Free the buffer allocated by classic Kern validator.</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>
	<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>table</b></td><td>
	<p>The pointer to the buffer that is allocated by <a href="ft2-gx_validation.html#FT_ClassicKern_Validate">FT_ClassicKern_Validate</a>.</p>
	</td></tr>
	</table>
	</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 must be used to free the buffer allocated by <a href="ft2-gx_validation.html#FT_ClassicKern_Validate">FT_ClassicKern_Validate</a> only.</p>
	</td></tr></table>
	</td></tr></table>
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