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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>hb-unicode: HarfBuzz Manual</title> <meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> <link rel="home" href="index.html" title="HarfBuzz Manual"> <link rel="up" href="ch12.html" title="Core API"> <link rel="prev" href="harfbuzz-hb-shape.html" title="hb-shape"> <link rel="next" href="harfbuzz-hb-version.html" title="hb-version"> <meta name="generator" content="GTK-Doc V1.32 (XML mode)"> <link rel="stylesheet" href="style.css" type="text/css"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table class="navigation" id="top" width="100%" summary="Navigation header" cellpadding="2" cellspacing="5"><tr valign="middle"> <td width="100%" align="left" class="shortcuts"> <a href="#" class="shortcut">Top</a><span id="nav_description"> <span class="dim">|</span> <a href="#harfbuzz-hb-unicode.description" class="shortcut">Description</a></span> </td> <td><a accesskey="h" href="index.html"><img src="home.png" width="16" height="16" border="0" alt="Home"></a></td> <td><a accesskey="u" href="ch12.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> <td><a accesskey="p" href="harfbuzz-hb-shape.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> <td><a accesskey="n" href="harfbuzz-hb-version.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> </tr></table> <div class="refentry"> <a name="harfbuzz-hb-unicode"></a><div class="titlepage"></div> <div class="refnamediv"><table width="100%"><tr> <td valign="top"> <h2><span class="refentrytitle"><a name="harfbuzz-hb-unicode.top_of_page"></a>hb-unicode</span></h2> <p>hb-unicode — Unicode character property access</p> </td> <td class="gallery_image" valign="top" align="right"></td> </tr></table></div> <div class="refsect1"> <a name="harfbuzz-hb-unicode.functions"></a><h2>Functions</h2> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="functions_proto_type"> <col class="functions_proto_name"> </colgroup> <tbody> <tr> <td class="function_type"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-combining-class-t" title="enum hb_unicode_combining_class_t"><span class="returnvalue">hb_unicode_combining_class_t</span></a> </td> <td class="function_name"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-combining-class" title="hb_unicode_combining_class ()">hb_unicode_combining_class</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-combining-class-t" title="enum hb_unicode_combining_class_t"><span class="returnvalue">hb_unicode_combining_class_t</span></a> </td> <td class="function_name"> <span class="c_punctuation">(</span><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-combining-class-func-t" title="hb_unicode_combining_class_func_t ()">*hb_unicode_combining_class_func_t</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a> </td> <td class="function_name"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-compose" title="hb_unicode_compose ()">hb_unicode_compose</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a> </td> <td class="function_name"> <span class="c_punctuation">(</span><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-compose-func-t" title="hb_unicode_compose_func_t ()">*hb_unicode_compose_func_t</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a> </td> <td class="function_name"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-decompose" title="hb_unicode_decompose ()">hb_unicode_decompose</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a> </td> <td class="function_name"> <span class="c_punctuation">(</span><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-decompose-func-t" title="hb_unicode_decompose_func_t ()">*hb_unicode_decompose_func_t</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="returnvalue">hb_unicode_funcs_t</span></a> * </td> <td class="function_name"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-create" title="hb_unicode_funcs_create ()">hb_unicode_funcs_create</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">void</span> </td> <td class="function_name"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-destroy" title="hb_unicode_funcs_destroy ()">hb_unicode_funcs_destroy</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="returnvalue">hb_unicode_funcs_t</span></a> * </td> <td class="function_name"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-get-default" title="hb_unicode_funcs_get_default ()">hb_unicode_funcs_get_default</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="returnvalue">hb_unicode_funcs_t</span></a> * </td> <td class="function_name"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-get-empty" title="hb_unicode_funcs_get_empty ()">hb_unicode_funcs_get_empty</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="returnvalue">hb_unicode_funcs_t</span></a> * </td> <td class="function_name"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-get-parent" title="hb_unicode_funcs_get_parent ()">hb_unicode_funcs_get_parent</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">void</span> * </td> <td class="function_name"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-get-user-data" title="hb_unicode_funcs_get_user_data ()">hb_unicode_funcs_get_user_data</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a> </td> <td class="function_name"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-is-immutable" title="hb_unicode_funcs_is_immutable ()">hb_unicode_funcs_is_immutable</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">void</span> </td> <td class="function_name"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-make-immutable" title="hb_unicode_funcs_make_immutable ()">hb_unicode_funcs_make_immutable</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="returnvalue">hb_unicode_funcs_t</span></a> * </td> <td class="function_name"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-reference" title="hb_unicode_funcs_reference ()">hb_unicode_funcs_reference</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">void</span> </td> <td class="function_name"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-set-combining-class-func" title="hb_unicode_funcs_set_combining_class_func ()">hb_unicode_funcs_set_combining_class_func</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">void</span> </td> <td class="function_name"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-set-compose-func" title="hb_unicode_funcs_set_compose_func ()">hb_unicode_funcs_set_compose_func</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">void</span> </td> <td class="function_name"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-set-decompose-func" title="hb_unicode_funcs_set_decompose_func ()">hb_unicode_funcs_set_decompose_func</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">void</span> </td> <td class="function_name"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-set-general-category-func" title="hb_unicode_funcs_set_general_category_func ()">hb_unicode_funcs_set_general_category_func</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">void</span> </td> <td class="function_name"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-set-mirroring-func" title="hb_unicode_funcs_set_mirroring_func ()">hb_unicode_funcs_set_mirroring_func</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <span class="returnvalue">void</span> </td> <td class="function_name"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-set-script-func" title="hb_unicode_funcs_set_script_func ()">hb_unicode_funcs_set_script_func</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a> </td> <td class="function_name"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-set-user-data" title="hb_unicode_funcs_set_user_data ()">hb_unicode_funcs_set_user_data</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-general-category-t" title="enum hb_unicode_general_category_t"><span class="returnvalue">hb_unicode_general_category_t</span></a> </td> <td class="function_name"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-general-category" title="hb_unicode_general_category ()">hb_unicode_general_category</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-general-category-t" title="enum hb_unicode_general_category_t"><span class="returnvalue">hb_unicode_general_category_t</span></a> </td> <td class="function_name"> <span class="c_punctuation">(</span><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-general-category-func-t" title="hb_unicode_general_category_func_t ()">*hb_unicode_general_category_func_t</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="returnvalue">hb_codepoint_t</span></a> </td> <td class="function_name"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-mirroring" title="hb_unicode_mirroring ()">hb_unicode_mirroring</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="returnvalue">hb_codepoint_t</span></a> </td> <td class="function_name"> <span class="c_punctuation">(</span><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-mirroring-func-t" title="hb_unicode_mirroring_func_t ()">*hb_unicode_mirroring_func_t</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="harfbuzz-hb-common.html#hb-script-t" title="enum hb_script_t"><span class="returnvalue">hb_script_t</span></a> </td> <td class="function_name"> <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-script" title="hb_unicode_script ()">hb_unicode_script</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="harfbuzz-hb-common.html#hb-script-t" title="enum hb_script_t"><span class="returnvalue">hb_script_t</span></a> </td> <td class="function_name"> <span class="c_punctuation">(</span><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-script-func-t" title="hb_unicode_script_func_t ()">*hb_unicode_script_func_t</a><span class="c_punctuation">)</span> <span class="c_punctuation">()</span> </td> </tr> </tbody> </table></div> </div> <div class="refsect1"> <a name="harfbuzz-hb-unicode.other"></a><h2>Types and Values</h2> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="150px" class="other_proto_type"> <col class="other_proto_name"> </colgroup> <tbody> <tr> <td class="define_keyword">#define</td> <td class="function_name"><a class="link" href="harfbuzz-hb-unicode.html#HB-UNICODE-MAX:CAPS" title="HB_UNICODE_MAX">HB_UNICODE_MAX</a></td> </tr> <tr> <td class="datatype_keyword">enum</td> <td class="function_name"><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-combining-class-t" title="enum hb_unicode_combining_class_t">hb_unicode_combining_class_t</a></td> </tr> <tr> <td class="typedef_keyword">typedef</td> <td class="function_name"><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t">hb_unicode_funcs_t</a></td> </tr> <tr> <td class="datatype_keyword">enum</td> <td class="function_name"><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-general-category-t" title="enum hb_unicode_general_category_t">hb_unicode_general_category_t</a></td> </tr> </tbody> </table></div> </div> <div class="refsect1"> <a name="harfbuzz-hb-unicode.includes"></a><h2>Includes</h2> <pre class="synopsis">#include <hb.h> </pre> </div> <div class="refsect1"> <a name="harfbuzz-hb-unicode.description"></a><h2>Description</h2> <p>Unicode functions are used to access Unicode character properties. With these functions, client programs can query various properties from the Unicode Character Database for any code point, such as General Category (gc), Script (sc), Canonical Combining Class (ccc), etc.</p> <p>Client programs can optionally pass in their own Unicode functions that implement the same queries. The set of functions available is defined by the virtual methods in <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a>.</p> <p>HarfBuzz provides built-in default functions for each method in <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a>.</p> </div> <div class="refsect1"> <a name="harfbuzz-hb-unicode.functions_details"></a><h2>Functions</h2> <div class="refsect2"> <a name="hb-unicode-combining-class"></a><h3>hb_unicode_combining_class ()</h3> <pre class="programlisting"><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-combining-class-t" title="enum hb_unicode_combining_class_t"><span class="returnvalue">hb_unicode_combining_class_t</span></a> hb_unicode_combining_class (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> unicode</code></em>);</pre> <p>Retrieves the Canonical Combining Class (ccc) property of code point <em class="parameter"><code>unicode</code></em> .</p> <div class="refsect3"> <a name="hb-unicode-combining-class.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"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>ufuncs</p></td> <td class="parameter_description"><p>The Unicode-functions structure</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>unicode</p></td> <td class="parameter_description"><p>The code point to query</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="hb-unicode-combining-class.returns"></a><h4>Returns</h4> <p> The <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-combining-class-t" title="enum hb_unicode_combining_class_t"><span class="type">hb_unicode_combining_class_t</span></a> of <em class="parameter"><code>unicode</code></em> </p> </div> <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p> </div> <hr> <div class="refsect2"> <a name="hb-unicode-combining-class-func-t"></a><h3>hb_unicode_combining_class_func_t ()</h3> <pre class="programlisting"><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-combining-class-t" title="enum hb_unicode_combining_class_t"><span class="returnvalue">hb_unicode_combining_class_t</span></a> <span class="c_punctuation">(</span>*hb_unicode_combining_class_func_t<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> unicode</code></em>, <em class="parameter"><code><span class="type">void</span> *user_data</code></em>);</pre> <p>A virtual method for the <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> structure.</p> <p>This method should retrieve the Canonical Combining Class (ccc) property for a specified Unicode code point.</p> <div class="refsect3"> <a name="hb-unicode-combining-class-func-t.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"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>ufuncs</p></td> <td class="parameter_description"><p>A Unicode-functions structure</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>unicode</p></td> <td class="parameter_description"><p>The code point to query</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>user_data</p></td> <td class="parameter_description"><p>User data pointer passed by the caller</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="hb-unicode-combining-class-func-t.returns"></a><h4>Returns</h4> <p> The <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-combining-class-t" title="enum hb_unicode_combining_class_t"><span class="type">hb_unicode_combining_class_t</span></a> of <em class="parameter"><code>unicode</code></em> </p> </div> </div> <hr> <div class="refsect2"> <a name="hb-unicode-compose"></a><h3>hb_unicode_compose ()</h3> <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a> hb_unicode_compose (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> a</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> b</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> *ab</code></em>);</pre> <p>Composes the code point sequence <em class="parameter"><code>a</code></em> ,<em class="parameter"><code>b</code></em> by canonical equivalence into code point <em class="parameter"><code>ab</code></em> .</p> <div class="refsect3"> <a name="hb-unicode-compose.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"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>ufuncs</p></td> <td class="parameter_description"><p>The Unicode-functions structure</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>a</p></td> <td class="parameter_description"><p>The first code point to compose</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>b</p></td> <td class="parameter_description"><p>The second code point to compose</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>ab</p></td> <td class="parameter_description"><p>The composed code point. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="hb-unicode-compose.returns"></a><h4>Returns</h4> <p> True is <em class="parameter"><code>a</code></em> ,<em class="parameter"><code>b</code></em> composed, false otherwise</p> </div> <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p> </div> <hr> <div class="refsect2"> <a name="hb-unicode-compose-func-t"></a><h3>hb_unicode_compose_func_t ()</h3> <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a> <span class="c_punctuation">(</span>*hb_unicode_compose_func_t<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> a</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> b</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> *ab</code></em>, <em class="parameter"><code><span class="type">void</span> *user_data</code></em>);</pre> <p>A virtual method for the <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> structure.</p> <p>This method should compose a sequence of two input Unicode code points by canonical equivalence, returning the composed code point in a <a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> output parameter (if successful). The method must return an <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="type">hb_bool_t</span></a> indicating the success of the composition.</p> <div class="refsect3"> <a name="hb-unicode-compose-func-t.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"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>ufuncs</p></td> <td class="parameter_description"><p>A Unicode-functions structure</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>a</p></td> <td class="parameter_description"><p>The first code point to compose</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>b</p></td> <td class="parameter_description"><p>The second code point to compose</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>ab</p></td> <td class="parameter_description"><p>The composed code point. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td> </tr> <tr> <td class="parameter_name"><p>user_data</p></td> <td class="parameter_description"><p>user data pointer passed by the caller</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="hb-unicode-compose-func-t.returns"></a><h4>Returns</h4> <p> True is <em class="parameter"><code>a</code></em> ,<em class="parameter"><code>b</code></em> composed, false otherwise</p> </div> </div> <hr> <div class="refsect2"> <a name="hb-unicode-decompose"></a><h3>hb_unicode_decompose ()</h3> <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a> hb_unicode_decompose (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> ab</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> *a</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> *b</code></em>);</pre> <p>Decomposes code point <em class="parameter"><code>ab</code></em> by canonical equivalence, into code points <em class="parameter"><code>a</code></em> and <em class="parameter"><code>b</code></em> .</p> <div class="refsect3"> <a name="hb-unicode-decompose.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"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>ufuncs</p></td> <td class="parameter_description"><p>The Unicode-functions structure</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>ab</p></td> <td class="parameter_description"><p>The code point to decompose</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>a</p></td> <td class="parameter_description"><p>The first decomposed code point. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td> </tr> <tr> <td class="parameter_name"><p>b</p></td> <td class="parameter_description"><p>The second decomposed code point. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="hb-unicode-decompose.returns"></a><h4>Returns</h4> <p> True if <em class="parameter"><code>ab</code></em> decomposed, false otherwise</p> </div> <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p> </div> <hr> <div class="refsect2"> <a name="hb-unicode-decompose-func-t"></a><h3>hb_unicode_decompose_func_t ()</h3> <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a> <span class="c_punctuation">(</span>*hb_unicode_decompose_func_t<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> ab</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> *a</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> *b</code></em>, <em class="parameter"><code><span class="type">void</span> *user_data</code></em>);</pre> <p>A virtual method for the <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> structure.</p> <p>This method should decompose an input Unicode code point, returning the two decomposed code points in <a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> output parameters (if successful). The method must return an <a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="type">hb_bool_t</span></a> indicating the success of the composition.</p> <div class="refsect3"> <a name="hb-unicode-decompose-func-t.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"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>ufuncs</p></td> <td class="parameter_description"><p>A Unicode-functions structure</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>ab</p></td> <td class="parameter_description"><p>The code point to decompose</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>a</p></td> <td class="parameter_description"><p>The first decomposed code point. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td> </tr> <tr> <td class="parameter_name"><p>b</p></td> <td class="parameter_description"><p>The second decomposed code point. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for returning results. Default is transfer full."><span class="acronym">out</span></acronym>]</span></td> </tr> <tr> <td class="parameter_name"><p>user_data</p></td> <td class="parameter_description"><p>user data pointer passed by the caller</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="hb-unicode-decompose-func-t.returns"></a><h4>Returns</h4> <p> True if <em class="parameter"><code>ab</code></em> decomposed, false otherwise</p> </div> </div> <hr> <div class="refsect2"> <a name="hb-unicode-funcs-create"></a><h3>hb_unicode_funcs_create ()</h3> <pre class="programlisting"><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="returnvalue">hb_unicode_funcs_t</span></a> * hb_unicode_funcs_create (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *parent</code></em>);</pre> <p>Creates a new <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> structure of Unicode functions.</p> <p><span class="annotation">[Xconstructor]</span></p> <div class="refsect3"> <a name="hb-unicode-funcs-create.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"> </colgroup> <tbody><tr> <td class="parameter_name"><p>parent</p></td> <td class="parameter_description"><p>Parent Unicode-functions structure. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed as the value in, out, in-out; or as a return value."><span class="acronym">nullable</span></acronym>]</span></td> </tr></tbody> </table></div> </div> <div class="refsect3"> <a name="hb-unicode-funcs-create.returns"></a><h4>Returns</h4> <p>The Unicode-functions structure. </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-0-9-2.html#api-index-0.9.2">0.9.2</a></p> </div> <hr> <div class="refsect2"> <a name="hb-unicode-funcs-destroy"></a><h3>hb_unicode_funcs_destroy ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> hb_unicode_funcs_destroy (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>);</pre> <p>Decreases the reference count on a Unicode-functions structure. When the reference count reaches zero, the Unicode-functions structure is destroyed, freeing all memory.</p> <p><span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span></p> <div class="refsect3"> <a name="hb-unicode-funcs-destroy.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"> </colgroup> <tbody><tr> <td class="parameter_name"><p>ufuncs</p></td> <td class="parameter_description"><p>The Unicode-functions structure</p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p> </div> <hr> <div class="refsect2"> <a name="hb-unicode-funcs-get-default"></a><h3>hb_unicode_funcs_get_default ()</h3> <pre class="programlisting"><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="returnvalue">hb_unicode_funcs_t</span></a> * hb_unicode_funcs_get_default (<em class="parameter"><code><span class="type">void</span></code></em>);</pre> <p>Fetches a pointer to the default Unicode-functions structure that is used when no functions are explicitly set on <a class="link" href="harfbuzz-hb-buffer.html#hb-buffer-t" title="hb_buffer_t"><span class="type">hb_buffer_t</span></a>.</p> <div class="refsect3"> <a name="hb-unicode-funcs-get-default.returns"></a><h4>Returns</h4> <p>a pointer to the <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> Unicode-functions structure. </p> <p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p> </div> <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p> </div> <hr> <div class="refsect2"> <a name="hb-unicode-funcs-get-empty"></a><h3>hb_unicode_funcs_get_empty ()</h3> <pre class="programlisting"><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="returnvalue">hb_unicode_funcs_t</span></a> * hb_unicode_funcs_get_empty (<em class="parameter"><code><span class="type">void</span></code></em>);</pre> <p>Fetches the singleton empty Unicode-functions structure.</p> <div class="refsect3"> <a name="hb-unicode-funcs-get-empty.returns"></a><h4>Returns</h4> <p>The empty Unicode-functions structure. </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-0-9-2.html#api-index-0.9.2">0.9.2</a></p> </div> <hr> <div class="refsect2"> <a name="hb-unicode-funcs-get-parent"></a><h3>hb_unicode_funcs_get_parent ()</h3> <pre class="programlisting"><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="returnvalue">hb_unicode_funcs_t</span></a> * hb_unicode_funcs_get_parent (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>);</pre> <p>Fetches the parent of the Unicode-functions structure <em class="parameter"><code>ufuncs</code></em> .</p> <div class="refsect3"> <a name="hb-unicode-funcs-get-parent.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"> </colgroup> <tbody><tr> <td class="parameter_name"><p>ufuncs</p></td> <td class="parameter_description"><p>The Unicode-functions structure</p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> <div class="refsect3"> <a name="hb-unicode-funcs-get-parent.returns"></a><h4>Returns</h4> <p> The parent Unicode-functions structure</p> </div> <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p> </div> <hr> <div class="refsect2"> <a name="hb-unicode-funcs-get-user-data"></a><h3>hb_unicode_funcs_get_user_data ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> * hb_unicode_funcs_get_user_data (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-user-data-key-t" title="hb_user_data_key_t"><span class="type">hb_user_data_key_t</span></a> *key</code></em>);</pre> <p>Fetches the user-data associated with the specified key, attached to the specified Unicode-functions structure.</p> <p><span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span></p> <div class="refsect3"> <a name="hb-unicode-funcs-get-user-data.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"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>ufuncs</p></td> <td class="parameter_description"><p>The Unicode-functions structure</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>key</p></td> <td class="parameter_description"><p>The user-data key to query</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="hb-unicode-funcs-get-user-data.returns"></a><h4>Returns</h4> <p>A pointer to the user data. </p> <p><span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span></p> </div> <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p> </div> <hr> <div class="refsect2"> <a name="hb-unicode-funcs-is-immutable"></a><h3>hb_unicode_funcs_is_immutable ()</h3> <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a> hb_unicode_funcs_is_immutable (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>);</pre> <p>Tests whether the specified Unicode-functions structure is immutable.</p> <div class="refsect3"> <a name="hb-unicode-funcs-is-immutable.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"> </colgroup> <tbody><tr> <td class="parameter_name"><p>ufuncs</p></td> <td class="parameter_description"><p>The Unicode-functions structure</p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> <div class="refsect3"> <a name="hb-unicode-funcs-is-immutable.returns"></a><h4>Returns</h4> <p> <code class="literal">true</code> if <em class="parameter"><code>ufuncs</code></em> is immutable, false otherwise</p> </div> <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p> </div> <hr> <div class="refsect2"> <a name="hb-unicode-funcs-make-immutable"></a><h3>hb_unicode_funcs_make_immutable ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> hb_unicode_funcs_make_immutable (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>);</pre> <p>Makes the specified Unicode-functions structure immutable.</p> <div class="refsect3"> <a name="hb-unicode-funcs-make-immutable.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"> </colgroup> <tbody><tr> <td class="parameter_name"><p>ufuncs</p></td> <td class="parameter_description"><p>The Unicode-functions structure</p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p> </div> <hr> <div class="refsect2"> <a name="hb-unicode-funcs-reference"></a><h3>hb_unicode_funcs_reference ()</h3> <pre class="programlisting"><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="returnvalue">hb_unicode_funcs_t</span></a> * hb_unicode_funcs_reference (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>);</pre> <p>Increases the reference count on a Unicode-functions structure.</p> <p><span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span></p> <div class="refsect3"> <a name="hb-unicode-funcs-reference.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"> </colgroup> <tbody><tr> <td class="parameter_name"><p>ufuncs</p></td> <td class="parameter_description"><p>The Unicode-functions structure</p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> <div class="refsect3"> <a name="hb-unicode-funcs-reference.returns"></a><h4>Returns</h4> <p>The Unicode-functions structure. </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-0-9-2.html#api-index-0.9.2">0.9.2</a></p> </div> <hr> <div class="refsect2"> <a name="hb-unicode-funcs-set-combining-class-func"></a><h3>hb_unicode_funcs_set_combining_class_func ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> hb_unicode_funcs_set_combining_class_func (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-combining-class-func-t" title="hb_unicode_combining_class_func_t ()"><span class="type">hb_unicode_combining_class_func_t</span></a> func</code></em>, <em class="parameter"><code><span class="type">void</span> *user_data</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-destroy-func-t" title="hb_destroy_func_t ()"><span class="type">hb_destroy_func_t</span></a> destroy</code></em>);</pre> <p>Sets the implementation function for <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-combining-class-func-t" title="hb_unicode_combining_class_func_t ()"><span class="type">hb_unicode_combining_class_func_t</span></a>.</p> <div class="refsect3"> <a name="hb-unicode-funcs-set-combining-class-func.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"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>ufuncs</p></td> <td class="parameter_description"><p>A Unicode-functions structure</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>func</p></td> <td class="parameter_description"><p>The callback function to assign. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="This parameter is a 'user_data', for callbacks; many bindings can pass NULL here."><span class="acronym">closure</span></acronym> user_data][<acronym title="This parameter is a 'destroy_data', for callbacks."><span class="acronym">destroy</span></acronym> destroy][<acronym title="The callback is valid until the GDestroyNotify argument is called."><span class="acronym">scope notified</span></acronym>]</span></td> </tr> <tr> <td class="parameter_name"><p>user_data</p></td> <td class="parameter_description"><p>Data to pass to <em class="parameter"><code>func</code></em> </p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>destroy</p></td> <td class="parameter_description"><p>The function to call when <em class="parameter"><code>user_data</code></em> is not needed anymore. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed instead of a pointer to a location."><span class="acronym">optional</span></acronym>]</span></td> </tr> </tbody> </table></div> </div> <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p> </div> <hr> <div class="refsect2"> <a name="hb-unicode-funcs-set-compose-func"></a><h3>hb_unicode_funcs_set_compose_func ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> hb_unicode_funcs_set_compose_func (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-compose-func-t" title="hb_unicode_compose_func_t ()"><span class="type">hb_unicode_compose_func_t</span></a> func</code></em>, <em class="parameter"><code><span class="type">void</span> *user_data</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-destroy-func-t" title="hb_destroy_func_t ()"><span class="type">hb_destroy_func_t</span></a> destroy</code></em>);</pre> <p>Sets the implementation function for <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-compose-func-t" title="hb_unicode_compose_func_t ()"><span class="type">hb_unicode_compose_func_t</span></a>.</p> <div class="refsect3"> <a name="hb-unicode-funcs-set-compose-func.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"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>ufuncs</p></td> <td class="parameter_description"><p>A Unicode-functions structure</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>func</p></td> <td class="parameter_description"><p>The callback function to assign. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="This parameter is a 'user_data', for callbacks; many bindings can pass NULL here."><span class="acronym">closure</span></acronym> user_data][<acronym title="This parameter is a 'destroy_data', for callbacks."><span class="acronym">destroy</span></acronym> destroy][<acronym title="The callback is valid until the GDestroyNotify argument is called."><span class="acronym">scope notified</span></acronym>]</span></td> </tr> <tr> <td class="parameter_name"><p>user_data</p></td> <td class="parameter_description"><p>Data to pass to <em class="parameter"><code>func</code></em> </p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>destroy</p></td> <td class="parameter_description"><p>The function to call when <em class="parameter"><code>user_data</code></em> is not needed anymore. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed instead of a pointer to a location."><span class="acronym">optional</span></acronym>]</span></td> </tr> </tbody> </table></div> </div> <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p> </div> <hr> <div class="refsect2"> <a name="hb-unicode-funcs-set-decompose-func"></a><h3>hb_unicode_funcs_set_decompose_func ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> hb_unicode_funcs_set_decompose_func (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-decompose-func-t" title="hb_unicode_decompose_func_t ()"><span class="type">hb_unicode_decompose_func_t</span></a> func</code></em>, <em class="parameter"><code><span class="type">void</span> *user_data</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-destroy-func-t" title="hb_destroy_func_t ()"><span class="type">hb_destroy_func_t</span></a> destroy</code></em>);</pre> <p>Sets the implementation function for <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-decompose-func-t" title="hb_unicode_decompose_func_t ()"><span class="type">hb_unicode_decompose_func_t</span></a>.</p> <div class="refsect3"> <a name="hb-unicode-funcs-set-decompose-func.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"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>ufuncs</p></td> <td class="parameter_description"><p>A Unicode-functions structure</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>func</p></td> <td class="parameter_description"><p>The callback function to assign. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="This parameter is a 'user_data', for callbacks; many bindings can pass NULL here."><span class="acronym">closure</span></acronym> user_data][<acronym title="This parameter is a 'destroy_data', for callbacks."><span class="acronym">destroy</span></acronym> destroy][<acronym title="The callback is valid until the GDestroyNotify argument is called."><span class="acronym">scope notified</span></acronym>]</span></td> </tr> <tr> <td class="parameter_name"><p>user_data</p></td> <td class="parameter_description"><p>Data to pass to <em class="parameter"><code>func</code></em> </p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>destroy</p></td> <td class="parameter_description"><p>The function to call when <em class="parameter"><code>user_data</code></em> is not needed anymore. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed instead of a pointer to a location."><span class="acronym">optional</span></acronym>]</span></td> </tr> </tbody> </table></div> </div> <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p> </div> <hr> <div class="refsect2"> <a name="hb-unicode-funcs-set-general-category-func"></a><h3>hb_unicode_funcs_set_general_category_func ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> hb_unicode_funcs_set_general_category_func (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-general-category-func-t" title="hb_unicode_general_category_func_t ()"><span class="type">hb_unicode_general_category_func_t</span></a> func</code></em>, <em class="parameter"><code><span class="type">void</span> *user_data</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-destroy-func-t" title="hb_destroy_func_t ()"><span class="type">hb_destroy_func_t</span></a> destroy</code></em>);</pre> <p>Sets the implementation function for <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-general-category-func-t" title="hb_unicode_general_category_func_t ()"><span class="type">hb_unicode_general_category_func_t</span></a>.</p> <div class="refsect3"> <a name="hb-unicode-funcs-set-general-category-func.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"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>ufuncs</p></td> <td class="parameter_description"><p>A Unicode-functions structure</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>func</p></td> <td class="parameter_description"><p>The callback function to assign. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="This parameter is a 'user_data', for callbacks; many bindings can pass NULL here."><span class="acronym">closure</span></acronym> user_data][<acronym title="This parameter is a 'destroy_data', for callbacks."><span class="acronym">destroy</span></acronym> destroy][<acronym title="The callback is valid until the GDestroyNotify argument is called."><span class="acronym">scope notified</span></acronym>]</span></td> </tr> <tr> <td class="parameter_name"><p>user_data</p></td> <td class="parameter_description"><p>Data to pass to <em class="parameter"><code>func</code></em> </p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>destroy</p></td> <td class="parameter_description"><p>The function to call when <em class="parameter"><code>user_data</code></em> is not needed anymore. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed instead of a pointer to a location."><span class="acronym">optional</span></acronym>]</span></td> </tr> </tbody> </table></div> </div> <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p> </div> <hr> <div class="refsect2"> <a name="hb-unicode-funcs-set-mirroring-func"></a><h3>hb_unicode_funcs_set_mirroring_func ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> hb_unicode_funcs_set_mirroring_func (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-mirroring-func-t" title="hb_unicode_mirroring_func_t ()"><span class="type">hb_unicode_mirroring_func_t</span></a> func</code></em>, <em class="parameter"><code><span class="type">void</span> *user_data</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-destroy-func-t" title="hb_destroy_func_t ()"><span class="type">hb_destroy_func_t</span></a> destroy</code></em>);</pre> <p>Sets the implementation function for <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-mirroring-func-t" title="hb_unicode_mirroring_func_t ()"><span class="type">hb_unicode_mirroring_func_t</span></a>.</p> <div class="refsect3"> <a name="hb-unicode-funcs-set-mirroring-func.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"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>ufuncs</p></td> <td class="parameter_description"><p>A Unicode-functions structure</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>func</p></td> <td class="parameter_description"><p>The callback function to assign. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="This parameter is a 'user_data', for callbacks; many bindings can pass NULL here."><span class="acronym">closure</span></acronym> user_data][<acronym title="This parameter is a 'destroy_data', for callbacks."><span class="acronym">destroy</span></acronym> destroy][<acronym title="The callback is valid until the GDestroyNotify argument is called."><span class="acronym">scope notified</span></acronym>]</span></td> </tr> <tr> <td class="parameter_name"><p>user_data</p></td> <td class="parameter_description"><p>Data to pass to <em class="parameter"><code>func</code></em> </p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>destroy</p></td> <td class="parameter_description"><p>The function to call when <em class="parameter"><code>user_data</code></em> is not needed anymore. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed instead of a pointer to a location."><span class="acronym">optional</span></acronym>]</span></td> </tr> </tbody> </table></div> </div> <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p> </div> <hr> <div class="refsect2"> <a name="hb-unicode-funcs-set-script-func"></a><h3>hb_unicode_funcs_set_script_func ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> hb_unicode_funcs_set_script_func (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-script-func-t" title="hb_unicode_script_func_t ()"><span class="type">hb_unicode_script_func_t</span></a> func</code></em>, <em class="parameter"><code><span class="type">void</span> *user_data</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-destroy-func-t" title="hb_destroy_func_t ()"><span class="type">hb_destroy_func_t</span></a> destroy</code></em>);</pre> <p>Sets the implementation function for <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-script-func-t" title="hb_unicode_script_func_t ()"><span class="type">hb_unicode_script_func_t</span></a>.</p> <div class="refsect3"> <a name="hb-unicode-funcs-set-script-func.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"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>ufuncs</p></td> <td class="parameter_description"><p>A Unicode-functions structure</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>func</p></td> <td class="parameter_description"><p>The callback function to assign. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="This parameter is a 'user_data', for callbacks; many bindings can pass NULL here."><span class="acronym">closure</span></acronym> user_data][<acronym title="This parameter is a 'destroy_data', for callbacks."><span class="acronym">destroy</span></acronym> destroy][<acronym title="The callback is valid until the GDestroyNotify argument is called."><span class="acronym">scope notified</span></acronym>]</span></td> </tr> <tr> <td class="parameter_name"><p>user_data</p></td> <td class="parameter_description"><p>Data to pass to <em class="parameter"><code>func</code></em> </p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>destroy</p></td> <td class="parameter_description"><p>The function to call when <em class="parameter"><code>user_data</code></em> is not needed anymore. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed instead of a pointer to a location."><span class="acronym">optional</span></acronym>]</span></td> </tr> </tbody> </table></div> </div> <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p> </div> <hr> <div class="refsect2"> <a name="hb-unicode-funcs-set-user-data"></a><h3>hb_unicode_funcs_set_user_data ()</h3> <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="returnvalue">hb_bool_t</span></a> hb_unicode_funcs_set_user_data (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-user-data-key-t" title="hb_user_data_key_t"><span class="type">hb_user_data_key_t</span></a> *key</code></em>, <em class="parameter"><code><span class="type">void</span> *data</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-destroy-func-t" title="hb_destroy_func_t ()"><span class="type">hb_destroy_func_t</span></a> destroy</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-bool-t" title="hb_bool_t"><span class="type">hb_bool_t</span></a> replace</code></em>);</pre> <p>Attaches a user-data key/data pair to the specified Unicode-functions structure.</p> <p><span class="annotation">[<acronym title="Exposed in C code, not necessarily available in other languages."><span class="acronym">skip</span></acronym>]</span></p> <div class="refsect3"> <a name="hb-unicode-funcs-set-user-data.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"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>ufuncs</p></td> <td class="parameter_description"><p>The Unicode-functions structure</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>key</p></td> <td class="parameter_description"><p>The user-data key</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>data</p></td> <td class="parameter_description"><p>A pointer to the user data</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>destroy</p></td> <td class="parameter_description"><p>A callback to call when <em class="parameter"><code>data</code></em> is not needed anymore. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="NULL may be passed instead of a pointer to a location."><span class="acronym">optional</span></acronym>]</span></td> </tr> <tr> <td class="parameter_name"><p>replace</p></td> <td class="parameter_description"><p>Whether to replace an existing data with the same key</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="hb-unicode-funcs-set-user-data.returns"></a><h4>Returns</h4> <p> <code class="literal">true</code> if success, <code class="literal">false</code> otherwise</p> </div> <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p> </div> <hr> <div class="refsect2"> <a name="hb-unicode-general-category"></a><h3>hb_unicode_general_category ()</h3> <pre class="programlisting"><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-general-category-t" title="enum hb_unicode_general_category_t"><span class="returnvalue">hb_unicode_general_category_t</span></a> hb_unicode_general_category (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> unicode</code></em>);</pre> <p>Retrieves the General Category (gc) property of code point <em class="parameter"><code>unicode</code></em> .</p> <div class="refsect3"> <a name="hb-unicode-general-category.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"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>ufuncs</p></td> <td class="parameter_description"><p>The Unicode-functions structure</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>unicode</p></td> <td class="parameter_description"><p>The code point to query</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="hb-unicode-general-category.returns"></a><h4>Returns</h4> <p> The <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-general-category-t" title="enum hb_unicode_general_category_t"><span class="type">hb_unicode_general_category_t</span></a> of <em class="parameter"><code>unicode</code></em> </p> </div> <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p> </div> <hr> <div class="refsect2"> <a name="hb-unicode-general-category-func-t"></a><h3>hb_unicode_general_category_func_t ()</h3> <pre class="programlisting"><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-general-category-t" title="enum hb_unicode_general_category_t"><span class="returnvalue">hb_unicode_general_category_t</span></a> <span class="c_punctuation">(</span>*hb_unicode_general_category_func_t<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> unicode</code></em>, <em class="parameter"><code><span class="type">void</span> *user_data</code></em>);</pre> <p>A virtual method for the <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> structure.</p> <p>This method should retrieve the General Category property for a specified Unicode code point.</p> <div class="refsect3"> <a name="hb-unicode-general-category-func-t.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"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>ufuncs</p></td> <td class="parameter_description"><p>A Unicode-functions structure</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>unicode</p></td> <td class="parameter_description"><p>The code point to query</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>user_data</p></td> <td class="parameter_description"><p>User data pointer passed by the caller</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="hb-unicode-general-category-func-t.returns"></a><h4>Returns</h4> <p> The <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-general-category-t" title="enum hb_unicode_general_category_t"><span class="type">hb_unicode_general_category_t</span></a> of <em class="parameter"><code>unicode</code></em> </p> </div> </div> <hr> <div class="refsect2"> <a name="hb-unicode-mirroring"></a><h3>hb_unicode_mirroring ()</h3> <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="returnvalue">hb_codepoint_t</span></a> hb_unicode_mirroring (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> unicode</code></em>);</pre> <p>Retrieves the Bi-directional Mirroring Glyph code point defined for code point <em class="parameter"><code>unicode</code></em> .</p> <div class="refsect3"> <a name="hb-unicode-mirroring.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"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>ufuncs</p></td> <td class="parameter_description"><p>The Unicode-functions structure</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>unicode</p></td> <td class="parameter_description"><p>The code point to query</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="hb-unicode-mirroring.returns"></a><h4>Returns</h4> <p> The <a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> of the Mirroring Glyph for <em class="parameter"><code>unicode</code></em> </p> </div> <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p> </div> <hr> <div class="refsect2"> <a name="hb-unicode-mirroring-func-t"></a><h3>hb_unicode_mirroring_func_t ()</h3> <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="returnvalue">hb_codepoint_t</span></a> <span class="c_punctuation">(</span>*hb_unicode_mirroring_func_t<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> unicode</code></em>, <em class="parameter"><code><span class="type">void</span> *user_data</code></em>);</pre> <p>A virtual method for the <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> structure.</p> <p>This method should retrieve the Bi-Directional Mirroring Glyph code point for a specified Unicode code point.</p> <div class="note">Note: If a code point does not have a specified Bi-Directional Mirroring Glyph defined, the method should return the original code point.</div> <div class="refsect3"> <a name="hb-unicode-mirroring-func-t.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"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>ufuncs</p></td> <td class="parameter_description"><p>A Unicode-functions structure</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>unicode</p></td> <td class="parameter_description"><p>The code point to query</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>user_data</p></td> <td class="parameter_description"><p>User data pointer passed by the caller</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="hb-unicode-mirroring-func-t.returns"></a><h4>Returns</h4> <p> The <a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> of the Mirroring Glyph for <em class="parameter"><code>unicode</code></em> </p> </div> </div> <hr> <div class="refsect2"> <a name="hb-unicode-script"></a><h3>hb_unicode_script ()</h3> <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-script-t" title="enum hb_script_t"><span class="returnvalue">hb_script_t</span></a> hb_unicode_script (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> unicode</code></em>);</pre> <p>Retrieves the <a class="link" href="harfbuzz-hb-common.html#hb-script-t" title="enum hb_script_t"><span class="type">hb_script_t</span></a> script to which code point <em class="parameter"><code>unicode</code></em> belongs.</p> <div class="refsect3"> <a name="hb-unicode-script.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"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>ufuncs</p></td> <td class="parameter_description"><p>The Unicode-functions structure</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>unicode</p></td> <td class="parameter_description"><p>The code point to query</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="hb-unicode-script.returns"></a><h4>Returns</h4> <p> The <a class="link" href="harfbuzz-hb-common.html#hb-script-t" title="enum hb_script_t"><span class="type">hb_script_t</span></a> of <em class="parameter"><code>unicode</code></em> </p> </div> <p class="since">Since: <a class="link" href="api-index-0-9-2.html#api-index-0.9.2">0.9.2</a></p> </div> <hr> <div class="refsect2"> <a name="hb-unicode-script-func-t"></a><h3>hb_unicode_script_func_t ()</h3> <pre class="programlisting"><a class="link" href="harfbuzz-hb-common.html#hb-script-t" title="enum hb_script_t"><span class="returnvalue">hb_script_t</span></a> <span class="c_punctuation">(</span>*hb_unicode_script_func_t<span class="c_punctuation">)</span> (<em class="parameter"><code><a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> *ufuncs</code></em>, <em class="parameter"><code><a class="link" href="harfbuzz-hb-common.html#hb-codepoint-t" title="hb_codepoint_t"><span class="type">hb_codepoint_t</span></a> unicode</code></em>, <em class="parameter"><code><span class="type">void</span> *user_data</code></em>);</pre> <p>A virtual method for the <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a> structure.</p> <p>This method should retrieve the Script property for a specified Unicode code point.</p> <div class="refsect3"> <a name="hb-unicode-script-func-t.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"> </colgroup> <tbody> <tr> <td class="parameter_name"><p>ufuncs</p></td> <td class="parameter_description"><p>A Unicode-functions structure</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>unicode</p></td> <td class="parameter_description"><p>The code point to query</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>user_data</p></td> <td class="parameter_description"><p>User data pointer passed by the caller</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="hb-unicode-script-func-t.returns"></a><h4>Returns</h4> <p> The <a class="link" href="harfbuzz-hb-common.html#hb-script-t" title="enum hb_script_t"><span class="type">hb_script_t</span></a> of <em class="parameter"><code>unicode</code></em> </p> </div> </div> </div> <div class="refsect1"> <a name="harfbuzz-hb-unicode.other_details"></a><h2>Types and Values</h2> <div class="refsect2"> <a name="HB-UNICODE-MAX:CAPS"></a><h3>HB_UNICODE_MAX</h3> <pre class="programlisting">#define HB_UNICODE_MAX 0x10FFFFu </pre> <p class="since">Since: <a class="link" href="api-index-1-9-0.html#api-index-1.9.0">1.9.0</a></p> </div> <hr> <div class="refsect2"> <a name="hb-unicode-combining-class-t"></a><h3>enum hb_unicode_combining_class_t</h3> <p>Data type for the Canonical_Combining_Class (ccc) property from the Unicode Character Database.</p> <div class="note">Note: newer versions of Unicode may add new values. Client programs should be ready to handle any value in the 0..254 range being returned from <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-combining-class" title="hb_unicode_combining_class ()"><code class="function">hb_unicode_combining_class()</code></a>.</div> <div class="refsect3"> <a name="hb-unicode-combining-class-t.members"></a><h4>Members</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="300px" class="enum_members_name"> <col class="enum_members_description"> <col width="200px" class="enum_members_annotations"> </colgroup> <tbody> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-NOT-REORDERED:CAPS"></a>HB_UNICODE_COMBINING_CLASS_NOT_REORDERED</p></td> <td class="enum_member_description"> <p>Spacing and enclosing marks; also many vowel and consonant signs, even if nonspacing</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-OVERLAY:CAPS"></a>HB_UNICODE_COMBINING_CLASS_OVERLAY</p></td> <td class="enum_member_description"> <p>Marks which overlay a base letter or symbol</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-NUKTA:CAPS"></a>HB_UNICODE_COMBINING_CLASS_NUKTA</p></td> <td class="enum_member_description"> <p>Diacritic nukta marks in Brahmi-derived scripts</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-KANA-VOICING:CAPS"></a>HB_UNICODE_COMBINING_CLASS_KANA_VOICING</p></td> <td class="enum_member_description"> <p>Hiragana/Katakana voicing marks</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-VIRAMA:CAPS"></a>HB_UNICODE_COMBINING_CLASS_VIRAMA</p></td> <td class="enum_member_description"> <p>Viramas</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC10:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC10</p></td> <td class="enum_member_description"> <p>[Hebrew]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC11:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC11</p></td> <td class="enum_member_description"> <p>[Hebrew]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC12:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC12</p></td> <td class="enum_member_description"> <p>[Hebrew]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC13:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC13</p></td> <td class="enum_member_description"> <p>[Hebrew]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC14:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC14</p></td> <td class="enum_member_description"> <p>[Hebrew]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC15:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC15</p></td> <td class="enum_member_description"> <p>[Hebrew]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC16:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC16</p></td> <td class="enum_member_description"> <p>[Hebrew]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC17:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC17</p></td> <td class="enum_member_description"> <p>[Hebrew]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC18:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC18</p></td> <td class="enum_member_description"> <p>[Hebrew]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC19:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC19</p></td> <td class="enum_member_description"> <p>[Hebrew]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC20:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC20</p></td> <td class="enum_member_description"> <p>[Hebrew]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC21:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC21</p></td> <td class="enum_member_description"> <p>[Hebrew]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC22:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC22</p></td> <td class="enum_member_description"> <p>[Hebrew]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC23:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC23</p></td> <td class="enum_member_description"> <p>[Hebrew]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC24:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC24</p></td> <td class="enum_member_description"> <p>[Hebrew]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC25:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC25</p></td> <td class="enum_member_description"> <p>[Hebrew]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC26:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC26</p></td> <td class="enum_member_description"> <p>[Hebrew]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC27:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC27</p></td> <td class="enum_member_description"> <p>[Arabic]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC28:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC28</p></td> <td class="enum_member_description"> <p>[Arabic]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC29:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC29</p></td> <td class="enum_member_description"> <p>[Arabic]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC30:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC30</p></td> <td class="enum_member_description"> <p>[Arabic]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC31:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC31</p></td> <td class="enum_member_description"> <p>[Arabic]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC32:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC32</p></td> <td class="enum_member_description"> <p>[Arabic]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC33:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC33</p></td> <td class="enum_member_description"> <p>[Arabic]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC34:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC34</p></td> <td class="enum_member_description"> <p>[Arabic]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC35:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC35</p></td> <td class="enum_member_description"> <p>[Arabic]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC36:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC36</p></td> <td class="enum_member_description"> <p>[Syriac]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC84:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC84</p></td> <td class="enum_member_description"> <p>[Telugu]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC91:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC91</p></td> <td class="enum_member_description"> <p>[Telugu]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC103:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC103</p></td> <td class="enum_member_description"> <p>[Thai]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC107:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC107</p></td> <td class="enum_member_description"> <p>[Thai]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC118:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC118</p></td> <td class="enum_member_description"> <p>[Lao]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC122:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC122</p></td> <td class="enum_member_description"> <p>[Lao]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC129:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC129</p></td> <td class="enum_member_description"> <p>[Tibetan]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC130:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC130</p></td> <td class="enum_member_description"> <p>[Tibetan]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-CCC133:CAPS"></a>HB_UNICODE_COMBINING_CLASS_CCC133</p></td> <td class="enum_member_description"> <p>[Tibetan]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-ATTACHED-BELOW-LEFT:CAPS"></a>HB_UNICODE_COMBINING_CLASS_ATTACHED_BELOW_LEFT</p></td> <td class="enum_member_description"> <p>Marks attached at the bottom left</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-ATTACHED-BELOW:CAPS"></a>HB_UNICODE_COMBINING_CLASS_ATTACHED_BELOW</p></td> <td class="enum_member_description"> <p>Marks attached directly below</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-ATTACHED-ABOVE:CAPS"></a>HB_UNICODE_COMBINING_CLASS_ATTACHED_ABOVE</p></td> <td class="enum_member_description"> <p>Marks attached directly above</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-ATTACHED-ABOVE-RIGHT:CAPS"></a>HB_UNICODE_COMBINING_CLASS_ATTACHED_ABOVE_RIGHT</p></td> <td class="enum_member_description"> <p>Marks attached at the top right</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-BELOW-LEFT:CAPS"></a>HB_UNICODE_COMBINING_CLASS_BELOW_LEFT</p></td> <td class="enum_member_description"> <p>Distinct marks at the bottom left</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-BELOW:CAPS"></a>HB_UNICODE_COMBINING_CLASS_BELOW</p></td> <td class="enum_member_description"> <p>Distinct marks directly below</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-BELOW-RIGHT:CAPS"></a>HB_UNICODE_COMBINING_CLASS_BELOW_RIGHT</p></td> <td class="enum_member_description"> <p>Distinct marks at the bottom right</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-LEFT:CAPS"></a>HB_UNICODE_COMBINING_CLASS_LEFT</p></td> <td class="enum_member_description"> <p>Distinct marks to the left</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-RIGHT:CAPS"></a>HB_UNICODE_COMBINING_CLASS_RIGHT</p></td> <td class="enum_member_description"> <p>Distinct marks to the right</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-ABOVE-LEFT:CAPS"></a>HB_UNICODE_COMBINING_CLASS_ABOVE_LEFT</p></td> <td class="enum_member_description"> <p>Distinct marks at the top left</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-ABOVE:CAPS"></a>HB_UNICODE_COMBINING_CLASS_ABOVE</p></td> <td class="enum_member_description"> <p>Distinct marks directly above</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-ABOVE-RIGHT:CAPS"></a>HB_UNICODE_COMBINING_CLASS_ABOVE_RIGHT</p></td> <td class="enum_member_description"> <p>Distinct marks at the top right</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-DOUBLE-BELOW:CAPS"></a>HB_UNICODE_COMBINING_CLASS_DOUBLE_BELOW</p></td> <td class="enum_member_description"> <p>Distinct marks subtending two bases</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-DOUBLE-ABOVE:CAPS"></a>HB_UNICODE_COMBINING_CLASS_DOUBLE_ABOVE</p></td> <td class="enum_member_description"> <p>Distinct marks extending above two bases</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-IOTA-SUBSCRIPT:CAPS"></a>HB_UNICODE_COMBINING_CLASS_IOTA_SUBSCRIPT</p></td> <td class="enum_member_description"> <p>Greek iota subscript only</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-COMBINING-CLASS-INVALID:CAPS"></a>HB_UNICODE_COMBINING_CLASS_INVALID</p></td> <td class="enum_member_description"> <p>Invalid combining class</p> </td> <td class="enum_member_annotations"> </td> </tr> </tbody> </table></div> </div> </div> <hr> <div class="refsect2"> <a name="hb-unicode-funcs-t"></a><h3>hb_unicode_funcs_t</h3> <pre class="programlisting">typedef struct hb_unicode_funcs_t hb_unicode_funcs_t; </pre> <p>Data type containing a set of virtual methods used for accessing various Unicode character properties.</p> <p>HarfBuzz provides a default function for each of the methods in <a class="link" href="harfbuzz-hb-unicode.html#hb-unicode-funcs-t" title="hb_unicode_funcs_t"><span class="type">hb_unicode_funcs_t</span></a>. Client programs can implement their own replacements for the individual Unicode functions, as needed, and replace the default by calling the setter for a method.</p> </div> <hr> <div class="refsect2"> <a name="hb-unicode-general-category-t"></a><h3>enum hb_unicode_general_category_t</h3> <p>Data type for the "General_Category" (gc) property from the Unicode Character Database.</p> <div class="refsect3"> <a name="hb-unicode-general-category-t.members"></a><h4>Members</h4> <div class="informaltable"><table class="informaltable" width="100%" border="0"> <colgroup> <col width="300px" class="enum_members_name"> <col class="enum_members_description"> <col width="200px" class="enum_members_annotations"> </colgroup> <tbody> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-GENERAL-CATEGORY-CONTROL:CAPS"></a>HB_UNICODE_GENERAL_CATEGORY_CONTROL</p></td> <td class="enum_member_description"> <p>[Cc]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-GENERAL-CATEGORY-FORMAT:CAPS"></a>HB_UNICODE_GENERAL_CATEGORY_FORMAT</p></td> <td class="enum_member_description"> <p>[Cf]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-GENERAL-CATEGORY-UNASSIGNED:CAPS"></a>HB_UNICODE_GENERAL_CATEGORY_UNASSIGNED</p></td> <td class="enum_member_description"> <p>[Cn]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-GENERAL-CATEGORY-PRIVATE-USE:CAPS"></a>HB_UNICODE_GENERAL_CATEGORY_PRIVATE_USE</p></td> <td class="enum_member_description"> <p>[Co]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-GENERAL-CATEGORY-SURROGATE:CAPS"></a>HB_UNICODE_GENERAL_CATEGORY_SURROGATE</p></td> <td class="enum_member_description"> <p>[Cs]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-GENERAL-CATEGORY-LOWERCASE-LETTER:CAPS"></a>HB_UNICODE_GENERAL_CATEGORY_LOWERCASE_LETTER</p></td> <td class="enum_member_description"> <p>[Ll]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-GENERAL-CATEGORY-MODIFIER-LETTER:CAPS"></a>HB_UNICODE_GENERAL_CATEGORY_MODIFIER_LETTER</p></td> <td class="enum_member_description"> <p>[Lm]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-GENERAL-CATEGORY-OTHER-LETTER:CAPS"></a>HB_UNICODE_GENERAL_CATEGORY_OTHER_LETTER</p></td> <td class="enum_member_description"> <p>[Lo]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-GENERAL-CATEGORY-TITLECASE-LETTER:CAPS"></a>HB_UNICODE_GENERAL_CATEGORY_TITLECASE_LETTER</p></td> <td class="enum_member_description"> <p>[Lt]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-GENERAL-CATEGORY-UPPERCASE-LETTER:CAPS"></a>HB_UNICODE_GENERAL_CATEGORY_UPPERCASE_LETTER</p></td> <td class="enum_member_description"> <p>[Lu]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-GENERAL-CATEGORY-SPACING-MARK:CAPS"></a>HB_UNICODE_GENERAL_CATEGORY_SPACING_MARK</p></td> <td class="enum_member_description"> <p>[Mc]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-GENERAL-CATEGORY-ENCLOSING-MARK:CAPS"></a>HB_UNICODE_GENERAL_CATEGORY_ENCLOSING_MARK</p></td> <td class="enum_member_description"> <p>[Me]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-GENERAL-CATEGORY-NON-SPACING-MARK:CAPS"></a>HB_UNICODE_GENERAL_CATEGORY_NON_SPACING_MARK</p></td> <td class="enum_member_description"> <p>[Mn]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-GENERAL-CATEGORY-DECIMAL-NUMBER:CAPS"></a>HB_UNICODE_GENERAL_CATEGORY_DECIMAL_NUMBER</p></td> <td class="enum_member_description"> <p>[Nd]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-GENERAL-CATEGORY-LETTER-NUMBER:CAPS"></a>HB_UNICODE_GENERAL_CATEGORY_LETTER_NUMBER</p></td> <td class="enum_member_description"> <p>[Nl]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-GENERAL-CATEGORY-OTHER-NUMBER:CAPS"></a>HB_UNICODE_GENERAL_CATEGORY_OTHER_NUMBER</p></td> <td class="enum_member_description"> <p>[No]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-GENERAL-CATEGORY-CONNECT-PUNCTUATION:CAPS"></a>HB_UNICODE_GENERAL_CATEGORY_CONNECT_PUNCTUATION</p></td> <td class="enum_member_description"> <p>[Pc]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-GENERAL-CATEGORY-DASH-PUNCTUATION:CAPS"></a>HB_UNICODE_GENERAL_CATEGORY_DASH_PUNCTUATION</p></td> <td class="enum_member_description"> <p>[Pd]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-GENERAL-CATEGORY-CLOSE-PUNCTUATION:CAPS"></a>HB_UNICODE_GENERAL_CATEGORY_CLOSE_PUNCTUATION</p></td> <td class="enum_member_description"> <p>[Pe]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-GENERAL-CATEGORY-FINAL-PUNCTUATION:CAPS"></a>HB_UNICODE_GENERAL_CATEGORY_FINAL_PUNCTUATION</p></td> <td class="enum_member_description"> <p>[Pf]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-GENERAL-CATEGORY-INITIAL-PUNCTUATION:CAPS"></a>HB_UNICODE_GENERAL_CATEGORY_INITIAL_PUNCTUATION</p></td> <td class="enum_member_description"> <p>[Pi]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-GENERAL-CATEGORY-OTHER-PUNCTUATION:CAPS"></a>HB_UNICODE_GENERAL_CATEGORY_OTHER_PUNCTUATION</p></td> <td class="enum_member_description"> <p>[Po]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-GENERAL-CATEGORY-OPEN-PUNCTUATION:CAPS"></a>HB_UNICODE_GENERAL_CATEGORY_OPEN_PUNCTUATION</p></td> <td class="enum_member_description"> <p>[Ps]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-GENERAL-CATEGORY-CURRENCY-SYMBOL:CAPS"></a>HB_UNICODE_GENERAL_CATEGORY_CURRENCY_SYMBOL</p></td> <td class="enum_member_description"> <p>[Sc]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-GENERAL-CATEGORY-MODIFIER-SYMBOL:CAPS"></a>HB_UNICODE_GENERAL_CATEGORY_MODIFIER_SYMBOL</p></td> <td class="enum_member_description"> <p>[Sk]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-GENERAL-CATEGORY-MATH-SYMBOL:CAPS"></a>HB_UNICODE_GENERAL_CATEGORY_MATH_SYMBOL</p></td> <td class="enum_member_description"> <p>[Sm]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-GENERAL-CATEGORY-OTHER-SYMBOL:CAPS"></a>HB_UNICODE_GENERAL_CATEGORY_OTHER_SYMBOL</p></td> <td class="enum_member_description"> <p>[So]</p> </td> <td class="enum_member_annotations"> </td> </tr> <tr> <td class="enum_member_name"><p><a name="HB-UNICODE-GENERAL-CATEGORY-LINE-SEPARATOR:CAPS"></a>HB_UNICODE_GENERAL_CATEGORY_LINE_SEPARATOR</p></td> <td class="enum_member_description"> 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