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                  <a href="#harfbuzz-hb-ot-meta.description" class="shortcut">Description</a></span>
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<a name="harfbuzz-hb-ot-meta"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="harfbuzz-hb-ot-meta.top_of_page"></a>hb-ot-meta</span></h2>
<p>hb-ot-meta — OpenType Metadata</p>
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<a name="harfbuzz-hb-ot-meta.functions"></a><h2>Functions</h2>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
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<td class="function_type">unsigned <span class="returnvalue">int</span>
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<td class="function_name">
<a class="link" href="harfbuzz-hb-ot-meta.html#hb-ot-meta-get-entry-tags" title="hb_ot_meta_get_entry_tags ()">hb_ot_meta_get_entry_tags</a> <span class="c_punctuation">()</span>
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<td class="function_type">
<a class="link" href="harfbuzz-hb-blob.html#hb-blob-t" title="hb_blob_t"><span class="returnvalue">hb_blob_t</span></a> *
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<td class="function_name">
<a class="link" href="harfbuzz-hb-ot-meta.html#hb-ot-meta-reference-entry" title="hb_ot_meta_reference_entry ()">hb_ot_meta_reference_entry</a> <span class="c_punctuation">()</span>
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<a name="harfbuzz-hb-ot-meta.other"></a><h2>Types and Values</h2>
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<td class="datatype_keyword">enum</td>
<td class="function_name"><a class="link" href="harfbuzz-hb-ot-meta.html#hb-ot-meta-tag-t" title="enum hb_ot_meta_tag_t">hb_ot_meta_tag_t</a></td>
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<div class="refsect1">
<a name="harfbuzz-hb-ot-meta.includes"></a><h2>Includes</h2>
<pre class="synopsis">#include &lt;hb-ot.h&gt;
</pre>
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<div class="refsect1">
<a name="harfbuzz-hb-ot-meta.description"></a><h2>Description</h2>
<p>Functions for fetching metadata from fonts.</p>
</div>
<div class="refsect1">
<a name="harfbuzz-hb-ot-meta.functions_details"></a><h2>Functions</h2>
<div class="refsect2">
<a name="hb-ot-meta-get-entry-tags"></a><h3>hb_ot_meta_get_entry_tags ()</h3>
<pre class="programlisting">unsigned <span class="returnvalue">int</span>
hb_ot_meta_get_entry_tags (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t" title="hb_face_t"><span class="type">hb_face_t</span></a> *face</code></em>,
                           <em class="parameter"><code>unsigned <span class="type">int</span> start_offset</code></em>,
                           <em class="parameter"><code>unsigned <span class="type">int</span> *entries_count</code></em>,
                           <em class="parameter"><code><a class="link" href="harfbuzz-hb-ot-meta.html#hb-ot-meta-tag-t" title="enum hb_ot_meta_tag_t"><span class="type">hb_ot_meta_tag_t</span></a> *entries</code></em>);</pre>
<div class="refsect3">
<a name="hb-ot-meta-get-entry-tags.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
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<col class="parameters_description">
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<td class="parameter_name"><p>face</p></td>
<td class="parameter_description"><p>a face object</p></td>
<td class="parameter_annotations"> </td>
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<td class="parameter_name"><p>start_offset</p></td>
<td class="parameter_description"><p>iteration's start offset</p></td>
<td class="parameter_annotations"> </td>
</tr>
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<td class="parameter_name"><p>entries_count</p></td>
<td class="parameter_description"><p>buffer size as input, filled size as output. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for input and for returning results. Default is transfer full."><span class="acronym">inout</span></acronym>][<acronym title="NULL is OK, both for passing and for returning."><span class="acronym">allow-none</span></acronym>]</span></td>
</tr>
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<td class="parameter_name"><p>entries</p></td>
<td class="parameter_description"><p>entries tags buffer. </p></td>
<td class="parameter_annotations"><span class="annotation">[<acronym title="Out parameter, where caller must allocate storage."><span class="acronym">out caller-allocates</span></acronym>][<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym> length=entries_count]</span></td>
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<div class="refsect3">
<a name="hb-ot-meta-get-entry-tags.returns"></a><h4>Returns</h4>
<p> Number of all available feature types.</p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-6-0.html#api-index-2.6.0">2.6.0</a></p>
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<div class="refsect2">
<a name="hb-ot-meta-reference-entry"></a><h3>hb_ot_meta_reference_entry ()</h3>
<pre class="programlisting"><a class="link" href="harfbuzz-hb-blob.html#hb-blob-t" title="hb_blob_t"><span class="returnvalue">hb_blob_t</span></a> *
hb_ot_meta_reference_entry (<em class="parameter"><code><a class="link" href="harfbuzz-hb-face.html#hb-face-t" title="hb_face_t"><span class="type">hb_face_t</span></a> *face</code></em>,
                            <em class="parameter"><code><a class="link" href="harfbuzz-hb-ot-meta.html#hb-ot-meta-tag-t" title="enum hb_ot_meta_tag_t"><span class="type">hb_ot_meta_tag_t</span></a> meta_tag</code></em>);</pre>
<p>It fetches metadata entry of a given tag from a font.</p>
<div class="refsect3">
<a name="hb-ot-meta-reference-entry.parameters"></a><h4>Parameters</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
<colgroup>
<col width="150px" class="parameters_name">
<col class="parameters_description">
<col width="200px" class="parameters_annotations">
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<td class="parameter_name"><p>face</p></td>
<td class="parameter_description"><p>a <a class="link" href="harfbuzz-hb-face.html#hb-face-t" title="hb_face_t"><span class="type">hb_face_t</span></a> object.</p></td>
<td class="parameter_annotations"> </td>
</tr>
<tr>
<td class="parameter_name"><p>meta_tag</p></td>
<td class="parameter_description"><p>tag of metadata you like to have.</p></td>
<td class="parameter_annotations"> </td>
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</tbody>
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<div class="refsect3">
<a name="hb-ot-meta-reference-entry.returns"></a><h4>Returns</h4>
<p>A blob containing the blob. </p>
<p><span class="annotation">[<acronym title="Free data after the code is done."><span class="acronym">transfer full</span></acronym>]</span></p>
</div>
<p class="since">Since: <a class="link" href="api-index-2-6-0.html#api-index-2.6.0">2.6.0</a></p>
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<div class="refsect1">
<a name="harfbuzz-hb-ot-meta.other_details"></a><h2>Types and Values</h2>
<div class="refsect2">
<a name="hb-ot-meta-tag-t"></a><h3>enum hb_ot_meta_tag_t</h3>
<p>Known metadata tags from https://docs.microsoft.com/en-us/typography/opentype/spec/meta</p>
<div class="refsect3">
<a name="hb-ot-meta-tag-t.members"></a><h4>Members</h4>
<div class="informaltable"><table class="informaltable" width="100%" border="0">
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<col width="300px" class="enum_members_name">
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<td class="enum_member_name"><p><a name="HB-OT-META-TAG-DESIGN-LANGUAGES:CAPS"></a>HB_OT_META_TAG_DESIGN_LANGUAGES</p></td>
<td class="enum_member_description">
<p>Design languages. Text, using only
Basic Latin (ASCII) characters. Indicates languages and/or scripts
for the user audiences that the font was primarily designed for.</p>
</td>
<td class="enum_member_annotations"> </td>
</tr>
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<td class="enum_member_name"><p><a name="HB-OT-META-TAG-SUPPORTED-LANGUAGES:CAPS"></a>HB_OT_META_TAG_SUPPORTED_LANGUAGES</p></td>
<td class="enum_member_description">
<p>Supported languages. Text, using
only Basic Latin (ASCII) characters. Indicates languages and/or scripts
that the font is declared to be capable of supporting.</p>
</td>
<td class="enum_member_annotations"> </td>
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<td class="enum_member_name"><p><a name="HB-OT-META-TAG-MAX-VALUE:CAPS"></a>_HB_OT_META_TAG_MAX_VALUE</p></td>
<td> </td>
<td> </td>
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</tbody>
</table></div>
</div>
<p class="since">Since: <a class="link" href="api-index-2-6-0.html#api-index-2.6.0">2.6.0</a></p>
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