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FT_SfntName
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FT_SfntName
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FT_Get_Sfnt_Name_Count
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FT_Get_Sfnt_Name
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FT_SfntLangTag
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<p><a href="https://www.freetype.org">FreeType</a> » <a href="../">Docs</a> » <a href="index.html#format-specific-api">Format-Specific API</a> » SFNT Names</p>
<hr />
<h1 id="sfnt-names">SFNT Names<a class="headerlink" href="#sfnt-names" title="Permanent link">¶</a></h1>
<h2 id="synopsis">Synopsis<a class="headerlink" href="#synopsis" title="Permanent link">¶</a></h2>
<p>The TrueType and OpenType specifications allow the inclusion of a special names table (‘name’) in font files. This table contains textual (and internationalized) information regarding the font, like family name, copyright, version, etc.</p>
<p>The definitions below are used to access them if available.</p>
<p>Note that this has nothing to do with glyph names!</p>
<h2 id="ft_sfntname">FT_SfntName<a class="headerlink" href="#ft_sfntname" title="Permanent link">¶</a></h2>
<p>Defined in FT_SFNT_NAMES_H (freetype/ftsnames.h).</p>
<div class = "codehilite"><pre><code> <span class="keyword">typedef</span> <span class="keyword">struct</span> FT_SfntName_
{
<a href="ft2-basic_types.html#ft_ushort">FT_UShort</a> platform_id;
<a href="ft2-basic_types.html#ft_ushort">FT_UShort</a> encoding_id;
<a href="ft2-basic_types.html#ft_ushort">FT_UShort</a> language_id;
<a href="ft2-basic_types.html#ft_ushort">FT_UShort</a> name_id;
<a href="ft2-basic_types.html#ft_byte">FT_Byte</a>* string; /* this string is *not* null-terminated! */
<a href="ft2-basic_types.html#ft_uint">FT_UInt</a> string_len; /* in bytes */
} <b>FT_SfntName</b>;
</code></pre></div>
<p>A structure used to model an SFNT ‘name’ table entry.</p>
<h4>fields</h4>
<table class="fields">
<tr><td class="val" id="platform_id">platform_id</td><td class="desc">
<p>The platform ID for <code>string</code>. See <code><a href="ft2-truetype_tables.html#tt_platform_xxx">TT_PLATFORM_XXX</a></code> for possible values.</p>
</td></tr>
<tr><td class="val" id="encoding_id">encoding_id</td><td class="desc">
<p>The encoding ID for <code>string</code>. See <code><a href="ft2-truetype_tables.html#tt_apple_id_xxx">TT_APPLE_ID_XXX</a></code>, <code><a href="ft2-truetype_tables.html#tt_mac_id_xxx">TT_MAC_ID_XXX</a></code>, <code><a href="ft2-truetype_tables.html#tt_iso_id_xxx">TT_ISO_ID_XXX</a></code>, <code><a href="ft2-truetype_tables.html#tt_ms_id_xxx">TT_MS_ID_XXX</a></code>, and <code><a href="ft2-truetype_tables.html#tt_adobe_id_xxx">TT_ADOBE_ID_XXX</a></code> for possible values.</p>
</td></tr>
<tr><td class="val" id="language_id">language_id</td><td class="desc">
<p>The language ID for <code>string</code>. See <code><a href="ft2-truetype_tables.html#tt_mac_langid_xxx">TT_MAC_LANGID_XXX</a></code> and <code><a href="ft2-truetype_tables.html#tt_ms_langid_xxx">TT_MS_LANGID_XXX</a></code> for possible values.</p>
<p>Registered OpenType values for <code>language_id</code> are always smaller than 0x8000; values equal or larger than 0x8000 usually indicate a language tag string (introduced in OpenType version 1.6). Use function <code><a href="ft2-sfnt_names.html#ft_get_sfnt_langtag">FT_Get_Sfnt_LangTag</a></code> with <code>language_id</code> as its argument to retrieve the associated language tag.</p>
</td></tr>
<tr><td class="val" id="name_id">name_id</td><td class="desc">
<p>An identifier for <code>string</code>. See <code><a href="ft2-truetype_tables.html#tt_name_id_xxx">TT_NAME_ID_XXX</a></code> for possible values.</p>
</td></tr>
<tr><td class="val" id="string">string</td><td class="desc">
<p>The ‘name’ string. Note that its format differs depending on the (platform,encoding) pair, being either a string of bytes (without a terminating <code>NULL</code> byte) or containing UTF-16BE entities.</p>
</td></tr>
<tr><td class="val" id="string_len">string_len</td><td class="desc">
<p>The length of <code>string</code> in bytes.</p>
</td></tr>
</table>
<h4>note</h4>
<p>Please refer to the TrueType or OpenType specification for more details.</p>
<hr>
<h2 id="ft_get_sfnt_name_count">FT_Get_Sfnt_Name_Count<a class="headerlink" href="#ft_get_sfnt_name_count" title="Permanent link">¶</a></h2>
<p>Defined in FT_SFNT_NAMES_H (freetype/ftsnames.h).</p>
<div class = "codehilite"><pre><code> FT_EXPORT( <a href="ft2-basic_types.html#ft_uint">FT_UInt</a> )
<b>FT_Get_Sfnt_Name_Count</b>( <a href="ft2-base_interface.html#ft_face">FT_Face</a> face );
</code></pre></div>
<p>Retrieve the number of name strings in the SFNT ‘name’ table.</p>
<h4>input</h4>
<table class="fields">
<tr><td class="val" id="face">face</td><td class="desc">
<p>A handle to the source face.</p>
</td></tr>
</table>
<h4>return</h4>
<p>The number of strings in the ‘name’ table.</p>
<h4>note</h4>
<p>This function always returns an error if the config macro <code>TT_CONFIG_OPTION_SFNT_NAMES</code> is not defined in <code>ftoption.h</code>.</p>
<hr>
<h2 id="ft_get_sfnt_name">FT_Get_Sfnt_Name<a class="headerlink" href="#ft_get_sfnt_name" title="Permanent link">¶</a></h2>
<p>Defined in FT_SFNT_NAMES_H (freetype/ftsnames.h).</p>
<div class = "codehilite"><pre><code> FT_EXPORT( <a href="ft2-basic_types.html#ft_error">FT_Error</a> )
<b>FT_Get_Sfnt_Name</b>( <a href="ft2-base_interface.html#ft_face">FT_Face</a> face,
<a href="ft2-basic_types.html#ft_uint">FT_UInt</a> idx,
<a href="ft2-sfnt_names.html#ft_sfntname">FT_SfntName</a> *aname );
</code></pre></div>
<p>Retrieve a string of the SFNT ‘name’ table for a given index.</p>
<h4>input</h4>
<table class="fields">
<tr><td class="val" id="face">face</td><td class="desc">
<p>A handle to the source face.</p>
</td></tr>
<tr><td class="val" id="idx">idx</td><td class="desc">
<p>The index of the ‘name’ string.</p>
</td></tr>
</table>
<h4>output</h4>
<table class="fields">
<tr><td class="val" id="aname">aname</td><td class="desc">
<p>The indexed <code><a href="ft2-sfnt_names.html#ft_sfntname">FT_SfntName</a></code> structure.</p>
</td></tr>
</table>
<h4>return</h4>
<p>FreeType error code. 0 means success.</p>
<h4>note</h4>
<p>The <code>string</code> array returned in the <code>aname</code> structure is not null-terminated. Note that you don't have to deallocate <code>string</code> by yourself; FreeType takes care of it if you call <code><a href="ft2-base_interface.html#ft_done_face">FT_Done_Face</a></code>.</p>
<p>Use <code><a href="ft2-sfnt_names.html#ft_get_sfnt_name_count">FT_Get_Sfnt_Name_Count</a></code> to get the total number of available ‘name’ table entries, then do a loop until you get the right platform, encoding, and name ID.</p>
<p>‘name’ table format 1 entries can use language tags also, see <code><a href="ft2-sfnt_names.html#ft_get_sfnt_langtag">FT_Get_Sfnt_LangTag</a></code>.</p>
<p>This function always returns an error if the config macro <code>TT_CONFIG_OPTION_SFNT_NAMES</code> is not defined in <code>ftoption.h</code>.</p>
<hr>
<h2 id="ft_sfntlangtag">FT_SfntLangTag<a class="headerlink" href="#ft_sfntlangtag" title="Permanent link">¶</a></h2>
<p>Defined in FT_SFNT_NAMES_H (freetype/ftsnames.h).</p>
<div class = "codehilite"><pre><code> <span class="keyword">typedef</span> <span class="keyword">struct</span> FT_SfntLangTag_
{
<a href="ft2-basic_types.html#ft_byte">FT_Byte</a>* string; /* this string is *not* null-terminated! */
<a href="ft2-basic_types.html#ft_uint">FT_UInt</a> string_len; /* in bytes */
} <b>FT_SfntLangTag</b>;
</code></pre></div>
<p>A structure to model a language tag entry from an SFNT ‘name’ table.</p>
<h4>fields</h4>
<table class="fields">
<tr><td class="val" id="string">string</td><td class="desc">
<p>The language tag string, encoded in UTF-16BE (without trailing <code>NULL</code> bytes).</p>
</td></tr>
<tr><td class="val" id="string_len">string_len</td><td class="desc">
<p>The length of <code>string</code> in <strong>bytes</strong>.</p>
</td></tr>
</table>
<h4>note</h4>
<p>Please refer to the TrueType or OpenType specification for more details.</p>
<h4>since</h4>
<p>2.8</p>
<hr>
<h2 id="ft_get_sfnt_langtag">FT_Get_Sfnt_LangTag<a class="headerlink" href="#ft_get_sfnt_langtag" title="Permanent link">¶</a></h2>
<p>Defined in FT_SFNT_NAMES_H (freetype/ftsnames.h).</p>
<div class = "codehilite"><pre><code> FT_EXPORT( <a href="ft2-basic_types.html#ft_error">FT_Error</a> )
<b>FT_Get_Sfnt_LangTag</b>( <a href="ft2-base_interface.html#ft_face">FT_Face</a> face,
<a href="ft2-basic_types.html#ft_uint">FT_UInt</a> langID,
<a href="ft2-sfnt_names.html#ft_sfntlangtag">FT_SfntLangTag</a> *alangTag );
</code></pre></div>
<p>Retrieve the language tag associated with a language ID of an SFNT ‘name’ table entry.</p>
<h4>input</h4>
<table class="fields">
<tr><td class="val" id="face">face</td><td class="desc">
<p>A handle to the source face.</p>
</td></tr>
<tr><td class="val" id="langid">langID</td><td class="desc">
<p>The language ID, as returned by <code><a href="ft2-sfnt_names.html#ft_get_sfnt_name">FT_Get_Sfnt_Name</a></code>. This is always a value larger than 0x8000.</p>
</td></tr>
</table>
<h4>output</h4>
<table class="fields">
<tr><td class="val" id="alangtag">alangTag</td><td class="desc">
<p>The language tag associated with the ‘name’ table entry's language ID.</p>
</td></tr>
</table>
<h4>return</h4>
<p>FreeType error code. 0 means success.</p>
<h4>note</h4>
<p>The <code>string</code> array returned in the <code>alangTag</code> structure is not null-terminated. Note that you don't have to deallocate <code>string</code> by yourself; FreeType takes care of it if you call <code><a href="ft2-base_interface.html#ft_done_face">FT_Done_Face</a></code>.</p>
<p>Only ‘name’ table format 1 supports language tags. For format 0 tables, this function always returns FT_Err_Invalid_Table. For invalid format 1 language ID values, FT_Err_Invalid_Argument is returned.</p>
<p>This function always returns an error if the config macro <code>TT_CONFIG_OPTION_SFNT_NAMES</code> is not defined in <code>ftoption.h</code>.</p>
<h4>since</h4>
<p>2.8</p>
<hr>
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