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Code Editor : ft2-sfnt_names.html

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<table class="index-toc-link"><tr><td class="left">[<a href="ft2-index.html">Index</a>]</td><td class="right">[<a href="ft2-toc.html">TOC</a>]</td></tr></table>
<h1>FreeType-2.8 API Reference</h1>

<h1 id="sfnt_names">SFNT Names</h1>
<h2>Synopsis</h2>
<table class="synopsis">
<tr><td><a href="#FT_SfntName">FT_SfntName</a></td></tr>
<tr><td><a href="#FT_Get_Sfnt_Name_Count">FT_Get_Sfnt_Name_Count</a></td></tr>
<tr><td><a href="#FT_Get_Sfnt_Name">FT_Get_Sfnt_Name</a></td></tr>
<tr><td><a href="#FT_SfntLangTag">FT_SfntLangTag</a></td></tr>
<tr><td><a href="#FT_Get_Sfnt_LangTag">FT_Get_Sfnt_LangTag</a></td></tr>
<tr><td><a href="#FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_FAMILY">FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_FAMILY</a></td></tr>
<tr><td><a href="#FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_SUBFAMILY">FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_SUBFAMILY</a></td></tr>
</table>

<p>The TrueType and OpenType specifications allow the inclusion of a special names table (&lsquo;name&rsquo;) 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>

<div class="section">
<h3 id="FT_SfntName">FT_SfntName</h3>
<p>Defined in FT_SFNT_NAMES_H (freetype/ftsnames.h).</p>
<pre>
  <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>;
</pre>

<p>A structure used to model an SFNT &lsquo;name&rsquo; 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 &lsquo;string&rsquo;. See <a href="ft2-truetype_tables.html#TT_PLATFORM_XXX">TT_PLATFORM_XXX</a> for possible values.</p>
</td></tr>
<tr><td class="val" id="encoding_id">encoding_id</td><td class="desc">
<p>The encoding ID for &lsquo;string&rsquo;. See <a href="ft2-truetype_tables.html#TT_APPLE_ID_XXX">TT_APPLE_ID_XXX</a>, <a href="ft2-truetype_tables.html#TT_MAC_ID_XXX">TT_MAC_ID_XXX</a>, <a href="ft2-truetype_tables.html#TT_ISO_ID_XXX">TT_ISO_ID_XXX</a>, <a href="ft2-truetype_tables.html#TT_MS_ID_XXX">TT_MS_ID_XXX</a>, and <a href="ft2-truetype_tables.html#TT_ADOBE_ID_XXX">TT_ADOBE_ID_XXX</a> for possible values.</p>
</td></tr>
<tr><td class="val" id="language_id">language_id</td><td class="desc">
<p>The language ID for &lsquo;string&rsquo;. See <a href="ft2-truetype_tables.html#TT_MAC_LANGID_XXX">TT_MAC_LANGID_XXX</a> and <a href="ft2-truetype_tables.html#TT_MS_LANGID_XXX">TT_MS_LANGID_XXX</a> for possible values.</p>
<p>Registered OpenType values for &lsquo;language_id&rsquo; 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 <a href="ft2-sfnt_names.html#FT_Get_Sfnt_LangTag">FT_Get_Sfnt_LangTag</a> with &lsquo;language_id&rsquo; 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 &lsquo;string&rsquo;. See <a href="ft2-truetype_tables.html#TT_NAME_ID_XXX">TT_NAME_ID_XXX</a> for possible values.</p>
</td></tr>
<tr><td class="val" id="string">string</td><td class="desc">
<p>The &lsquo;name&rsquo; string. Note that its format differs depending on the (platform,encoding) pair, being either a string of bytes (without a terminating NULL 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 &lsquo;string&rsquo; in bytes.</p>
</td></tr>
</table>

<h4>note</h4>
<p>Please refer to the TrueType or OpenType specification for more details.</p>

<hr>
<table class="index-toc-link"><tr><td class="left">[<a href="ft2-index.html">Index</a>]</td><td class="middle">[<a href="#">Top</a>]</td><td class="right">[<a href="ft2-toc.html">TOC</a>]</td></tr></table></div>

<div class="section">
<h3 id="FT_Get_Sfnt_Name_Count">FT_Get_Sfnt_Name_Count</h3>
<p>Defined in FT_SFNT_NAMES_H (freetype/ftsnames.h).</p>
<pre>
  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 );
</pre>

<p>Retrieve the number of name strings in the SFNT &lsquo;name&rsquo; 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 &lsquo;name&rsquo; table.</p>

<div class="section">
<h3 id="FT_Get_Sfnt_Name">FT_Get_Sfnt_Name</h3>
<p>Defined in FT_SFNT_NAMES_H (freetype/ftsnames.h).</p>
<pre>
  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 );
</pre>

<p>Retrieve a string of the SFNT &lsquo;name&rsquo; 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 &lsquo;name&rsquo; 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 <a href="ft2-sfnt_names.html#FT_SfntName">FT_SfntName</a> structure.</p>
</td></tr>
</table>

<h4>return</h4>
<p>FreeType error code. 0&nbsp;means success.</p>

<h4>note</h4>
<p>The &lsquo;string&rsquo; array returned in the &lsquo;aname&rsquo; structure is not null-terminated. Note that you don't have to deallocate &lsquo;string&rsquo; by yourself; FreeType takes care of it if you call <a href="ft2-base_interface.html#FT_Done_Face">FT_Done_Face</a>.</p>
<p>Use <a href="ft2-sfnt_names.html#FT_Get_Sfnt_Name_Count">FT_Get_Sfnt_Name_Count</a> to get the total number of available &lsquo;name&rsquo; table entries, then do a loop until you get the right platform, encoding, and name ID.</p>
<p>&lsquo;name&rsquo; table format&nbsp;1 entries can use language tags also, see <a href="ft2-sfnt_names.html#FT_Get_Sfnt_LangTag">FT_Get_Sfnt_LangTag</a>.</p>

<div class="section">
<h3 id="FT_SfntLangTag">FT_SfntLangTag</h3>
<p>Defined in FT_SFNT_NAMES_H (freetype/ftsnames.h).</p>
<pre>
  <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>;
</pre>

<p>A structure to model a language tag entry from an SFNT &lsquo;name&rsquo; 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 NULL bytes).</p>
</td></tr>
<tr><td class="val" id="string_len">string_len</td><td class="desc">
<p>The length of &lsquo;string&rsquo; in <b>bytes</b>.</p>
</td></tr>
</table>

<h4>note</h4>
<p>Please refer to the TrueType or OpenType specification for more details.</p>

<div class="section">
<h3 id="FT_Get_Sfnt_LangTag">FT_Get_Sfnt_LangTag</h3>
<p>Defined in FT_SFNT_NAMES_H (freetype/ftsnames.h).</p>
<pre>
  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 );
</pre>

<p>Retrieve the language tag associated with a language ID of an SFNT &lsquo;name&rsquo; 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 <a href="ft2-sfnt_names.html#FT_Get_Sfnt_Name">FT_Get_Sfnt_Name</a>. 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 &lsquo;name&rsquo; table entry's language ID.</p>
</td></tr>
</table>

<h4>return</h4>
<p>FreeType error code. 0&nbsp;means success.</p>

<h4>note</h4>
<p>The &lsquo;string&rsquo; array returned in the &lsquo;alangTag&rsquo; structure is not null-terminated. Note that you don't have to deallocate &lsquo;string&rsquo; by yourself; FreeType takes care of it if you call <a href="ft2-base_interface.html#FT_Done_Face">FT_Done_Face</a>.</p>
<p>Only &lsquo;name&rsquo; table format&nbsp;1 supports language tags. For format&nbsp;0 tables, this function always returns FT_Err_Invalid_Table. For invalid format&nbsp;1 language ID values, FT_Err_Invalid_Argument is returned.</p>

<div class="section">
<h3 id="FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_FAMILY">FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_FAMILY</h3>
<p>Defined in FT_SFNT_NAMES_H (freetype/ftsnames.h).</p>
<pre>
#define <b>FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_FAMILY</b> \
          <a href="ft2-basic_types.html#FT_MAKE_TAG">FT_MAKE_TAG</a>( 'i', 'g', 'p', 'f' )

/* this constant is deprecated */
#define FT_PARAM_TAG_IGNORE_PREFERRED_FAMILY \
          <b>FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_FAMILY</b>
</pre>

<p>A tag for <a href="ft2-base_interface.html#FT_Parameter">FT_Parameter</a> to make <a href="ft2-base_interface.html#FT_Open_Face">FT_Open_Face</a> ignore typographic family names in the &lsquo;name&rsquo; table (introduced in OpenType version 1.4). Use this for backward compatibility with legacy systems that have a four-faces-per-family restriction.</p>

<div class="section">
<h3 id="FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_SUBFAMILY">FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_SUBFAMILY</h3>
<p>Defined in FT_SFNT_NAMES_H (freetype/ftsnames.h).</p>
<pre>
#define <b>FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_SUBFAMILY</b> \
          <a href="ft2-basic_types.html#FT_MAKE_TAG">FT_MAKE_TAG</a>( 'i', 'g', 'p', 's' )

/* this constant is deprecated */
#define FT_PARAM_TAG_IGNORE_PREFERRED_SUBFAMILY \
          <b>FT_PARAM_TAG_IGNORE_TYPOGRAPHIC_SUBFAMILY</b>
</pre>

<p>A tag for <a href="ft2-base_interface.html#FT_Parameter">FT_Parameter</a> to make <a href="ft2-base_interface.html#FT_Open_Face">FT_Open_Face</a> ignore typographic subfamily names in the &lsquo;name&rsquo; table (introduced in OpenType version 1.4). Use this for backward compatibility with legacy systems that have a four-faces-per-family restriction.</p>

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Code Editor : ft2-sfnt_names.html