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<a href="#pub-attribs">Data Fields</a> </div>
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<div class="title">MFLTFont Struct Reference<div class="ingroups"><a class="el" href="group__m17nFLT.html">FLT API</a></div></div> </div>
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<p>Type of font to be used by the FLT driver.
<a href="structMFLTFont.html#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
Data Fields</h2></td></tr>
<tr class="memitem:a4ee5ae21387ac0a308d325c2803ce38d"><td class="memItemLeft" align="right" valign="top">MSymbol </td><td class="memItemRight" valign="bottom"><a class="el" href="structMFLTFont.html#a4ee5ae21387ac0a308d325c2803ce38d">family</a></td></tr>
<tr class="separator:a4ee5ae21387ac0a308d325c2803ce38d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a4f5da0ed80dcff1a9518f8ea538dc805"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="structMFLTFont.html#a4f5da0ed80dcff1a9518f8ea538dc805">x_ppem</a></td></tr>
<tr class="separator:a4f5da0ed80dcff1a9518f8ea538dc805"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad645f26ac88930e973a637163c4cfae3"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="structMFLTFont.html#ad645f26ac88930e973a637163c4cfae3">y_ppem</a></td></tr>
<tr class="separator:ad645f26ac88930e973a637163c4cfae3"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a187c3b748ab1b24576ffbc403e6aa36a"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structMFLTFont.html#a187c3b748ab1b24576ffbc403e6aa36a">get_glyph_id</a> )(struct _MFLTFont *font, <a class="el" href="structMFLTGlyphString.html">MFLTGlyphString</a> *gstring, int from, int to)</td></tr>
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<tr class="memitem:ac9264cefa810c378061758450ea6a29c"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structMFLTFont.html#ac9264cefa810c378061758450ea6a29c">get_metrics</a> )(struct _MFLTFont *font, <a class="el" href="structMFLTGlyphString.html">MFLTGlyphString</a> *gstring, int from, int to)</td></tr>
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<tr class="memitem:ad9a4066a315c7c6092bc1532762369d6"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structMFLTFont.html#ad9a4066a315c7c6092bc1532762369d6">check_otf</a> )(struct _MFLTFont *font, <a class="el" href="structMFLTOtfSpec.html">MFLTOtfSpec</a> *spec)</td></tr>
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<tr class="memitem:a207a5226fc859d76e8059066faa06588"><td class="memItemLeft" align="right" valign="top">int(* </td><td class="memItemRight" valign="bottom"><a class="el" href="structMFLTFont.html#a207a5226fc859d76e8059066faa06588">drive_otf</a> )(struct _MFLTFont *font, <a class="el" href="structMFLTOtfSpec.html">MFLTOtfSpec</a> *spec, <a class="el" href="structMFLTGlyphString.html">MFLTGlyphString</a> *in, int from, int to, <a class="el" href="structMFLTGlyphString.html">MFLTGlyphString</a> *out, <a class="el" href="structMFLTGlyphAdjustment.html">MFLTGlyphAdjustment</a> *adjustment)</td></tr>
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<tr class="memitem:a246902fe3b4b6a918a51daa05051a6ed"><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="structMFLTFont.html#a246902fe3b4b6a918a51daa05051a6ed">internal</a></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Type of font to be used by the FLT driver. </p>
<p>The type <a class="el" href="structMFLTFont.html" title="Type of font to be used by the FLT driver.">MFLTFont</a> is the structure that contains information about a font used by the FLT driver. Usually, an application should prepare a bigger structure whose first element is <a class="el" href="structMFLTFont.html" title="Type of font to be used by the FLT driver.">MFLTFont</a> and has more information about the font that is used by callback funcitons, and give that structure to mflt functions by coercing it to <a class="el" href="structMFLTFont.html" title="Type of font to be used by the FLT driver.">MFLTFont</a>. It is assured that callback functions can safely coerce <a class="el" href="structMFLTFont.html" title="Type of font to be used by the FLT driver.">MFLTFont</a> back to the original structure. <br />
</p>
</div><h2 class="groupheader">Field Documentation</h2>
<a id="a4ee5ae21387ac0a308d325c2803ce38d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a4ee5ae21387ac0a308d325c2803ce38d">◆ </a></span>family</h2>
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<td class="memname">MSymbol MFLTFont::family</td>
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<p>Family name of the font. It may be <a class="el" href="group__m17nSymbol.html#ga0346fc05efcccc8f11271b51c0fe3eeb" title="Symbol whose name is "nil".">Mnil</a> if the family name is not important in finding a Font Layout Table suitable for the font (for instance, in the case that the font is an OpenType font). <br />
</p>
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<a id="a4f5da0ed80dcff1a9518f8ea538dc805"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a4f5da0ed80dcff1a9518f8ea538dc805">◆ </a></span>x_ppem</h2>
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<td class="memname">int MFLTFont::x_ppem</td>
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<p>Horizontal font sizes in pixels per EM. </p>
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<a id="ad645f26ac88930e973a637163c4cfae3"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad645f26ac88930e973a637163c4cfae3">◆ </a></span>y_ppem</h2>
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<td class="memname">int MFLTFont::y_ppem</td>
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<p>Vertical font sizes in pixels per EM. </p>
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<a id="a187c3b748ab1b24576ffbc403e6aa36a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a187c3b748ab1b24576ffbc403e6aa36a">◆ </a></span>get_glyph_id</h2>
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<td class="memname">int(* MFLTFont::get_glyph_id) (struct _MFLTFont *font, <a class="el" href="structMFLTGlyphString.html">MFLTGlyphString</a> *gstring, int from, int to)</td>
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<p>Callback function to get glyph IDs for glyphs between FROM (inclusive) and TO (exclusive) of GSTRING. If the member <encoded> of a glyph is zero, the member <code> of that glyph is a character code. The function must convert it to the glyph ID of FONT. <br />
</p>
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<a id="ac9264cefa810c378061758450ea6a29c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ac9264cefa810c378061758450ea6a29c">◆ </a></span>get_metrics</h2>
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<td class="memname">int(* MFLTFont::get_metrics) (struct _MFLTFont *font, <a class="el" href="structMFLTGlyphString.html">MFLTGlyphString</a> *gstring, int from, int to)</td>
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<p>Callback function to get metrics of glyphs between FROM (inclusive) and TO (exclusive) of GSTRING. If the member <measured> of a glyph is zero, the function must set the members <xadv>, <yadv>, <ascent>, <descent>, <lbearing>, and <rbearing> of the glyph. <br />
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<a id="ad9a4066a315c7c6092bc1532762369d6"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ad9a4066a315c7c6092bc1532762369d6">◆ </a></span>check_otf</h2>
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<p>Callback function to check if the font has OpenType GSUB/GPOS features for a specific script/language. The function must return 1, if the font satisfies SPEC, or 0. It must be NULL if the font does not have OpenType tables. <br />
</p>
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<a id="a207a5226fc859d76e8059066faa06588"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a207a5226fc859d76e8059066faa06588">◆ </a></span>drive_otf</h2>
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<td class="memname">int(* MFLTFont::drive_otf) (struct _MFLTFont *font, <a class="el" href="structMFLTOtfSpec.html">MFLTOtfSpec</a> *spec, <a class="el" href="structMFLTGlyphString.html">MFLTGlyphString</a> *in, int from, int to, <a class="el" href="structMFLTGlyphString.html">MFLTGlyphString</a> *out, <a class="el" href="structMFLTGlyphAdjustment.html">MFLTGlyphAdjustment</a> *adjustment)</td>
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<p>Callback function to apply OpenType features in SPEC to glyphs between FROM (inclusive) and TO (exclusive) of IN. The resulting glyphs are appended to the tail of OUT. If OUT does not have a room to store all the resulting glyphs, it must return -2. It must be NULL if the font does not have OpenType tables. <br />
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<h2 class="memtitle"><span class="permalink"><a href="#a246902fe3b4b6a918a51daa05051a6ed">◆ </a></span>internal</h2>
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<p>For m17n-lib's internal use only. It should be initialized to NULL. <br />
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