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<center><h1>FreeType-2.3.12 API Reference</h1></center>
<center><h1>
Gasp Table
</h1></center>
<h2>Synopsis</h2>
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<tr><td></td><td><a href="#FT_GASP_XXX">FT_GASP_XXX</a></td><td></td><td><a href="#FT_Get_Gasp">FT_Get_Gasp</a></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr>
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<p>The function <a href="ft2-gasp_table.html#FT_Get_Gasp">FT_Get_Gasp</a> can be used to query a TrueType or OpenType font for specific entries in its ‘gasp’ table, if any. This is mainly useful when implementing native TrueType hinting with the bytecode interpreter to duplicate the Windows text rendering results.</p>
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<h4><a name="FT_GASP_XXX">FT_GASP_XXX</a></h4>
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Defined in FT_GASP_H (freetype/ftgasp.h).
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#define <a href="ft2-gasp_table.html#FT_GASP_XXX">FT_GASP_NO_TABLE</a> -1
#define <a href="ft2-gasp_table.html#FT_GASP_XXX">FT_GASP_DO_GRIDFIT</a> 0x01
#define <a href="ft2-gasp_table.html#FT_GASP_XXX">FT_GASP_DO_GRAY</a> 0x02
#define <a href="ft2-gasp_table.html#FT_GASP_XXX">FT_GASP_SYMMETRIC_SMOOTHING</a> 0x08
#define <a href="ft2-gasp_table.html#FT_GASP_XXX">FT_GASP_SYMMETRIC_GRIDFIT</a> 0x10
</pre></table><br>
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<p>A list of values and/or bit-flags returned by the <a href="ft2-gasp_table.html#FT_Get_Gasp">FT_Get_Gasp</a> function.</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>
<p></p>
<table cellpadding=3 border=0>
<tr valign=top><td><b>FT_GASP_NO_TABLE</b></td><td>
<p>This special value means that there is no GASP table in this face. It is up to the client to decide what to do.</p>
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<tr valign=top><td><b>FT_GASP_DO_GRIDFIT</b></td><td>
<p>Grid-fitting and hinting should be performed at the specified ppem. This <b>really</b> means TrueType bytecode interpretation.</p>
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<tr valign=top><td><b>FT_GASP_DO_GRAY</b></td><td>
<p>Anti-aliased rendering should be performed at the specified ppem.</p>
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<tr valign=top><td colspan=0><b>FT_GASP_SYMMETRIC_SMOOTHING</b></td></tr>
<tr valign=top><td></td><td>
<p>Smoothing along multiple axes must be used with ClearType.</p>
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<tr valign=top><td colspan=0><b>FT_GASP_SYMMETRIC_GRIDFIT</b></td></tr>
<tr valign=top><td></td><td>
<p>Grid-fitting must be used with ClearType's symmetric smoothing.</p>
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<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>note</b></em></td></tr><tr><td>
<p>‘ClearType’ is Microsoft's implementation of LCD rendering, partly protected by patents.</p>
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<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>since</b></em></td></tr><tr><td>
<p>2.3.0</p>
</td></tr></table>
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<table align=center width="75%"><tr><td>
<h4><a name="FT_Get_Gasp">FT_Get_Gasp</a></h4>
<table align=center width="87%"><tr><td>
Defined in FT_GASP_H (freetype/ftgasp.h).
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<table align=center width="87%"><tr bgcolor="#D6E8FF"><td><pre>
FT_EXPORT( <a href="ft2-basic_types.html#FT_Int">FT_Int</a> )
<b>FT_Get_Gasp</b>( <a href="ft2-base_interface.html#FT_Face">FT_Face</a> face,
<a href="ft2-basic_types.html#FT_UInt">FT_UInt</a> ppem );
</pre></table><br>
<table align=center width="87%"><tr><td>
<p>Read the ‘gasp’ table from a TrueType or OpenType font file and return the entry corresponding to a given character pixel size.</p>
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<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>The source face handle.</p>
</td></tr>
<tr valign=top><td><b>ppem</b></td><td>
<p>The vertical character pixel size.</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>Bit flags (see <a href="ft2-gasp_table.html#FT_GASP_XXX">FT_GASP_XXX</a>), or <a href="ft2-gasp_table.html#FT_GASP_XXX">FT_GASP_NO_TABLE</a> if there is no ‘gasp’ table in the face.</p>
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<table align=center width="87%" cellpadding=5><tr bgcolor="#EEEEFF"><td><em><b>since</b></em></td></tr><tr><td>
<p>2.3.0</p>
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