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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-set: 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-map.html" title="hb-map"> <link rel="next" href="harfbuzz-hb-shape-plan.html" title="hb-shape-plan"> <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-set.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-map.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> <td><a accesskey="n" href="harfbuzz-hb-shape-plan.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> </tr></table> <div class="refentry"> <a name="harfbuzz-hb-set"></a><div class="titlepage"></div> <div class="refnamediv"><table width="100%"><tr> <td valign="top"> <h2><span class="refentrytitle"><a name="harfbuzz-hb-set.top_of_page"></a>hb-set</span></h2> <p>hb-set — Objects representing a set of integers</p> </td> <td class="gallery_image" valign="top" align="right"></td> </tr></table></div> <div class="refsect1"> <a name="harfbuzz-hb-set.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"> <span class="returnvalue">void</span> </td> <td class="function_name"> <a class="link" href="harfbuzz-hb-set.html#hb-set-add" title="hb_set_add ()">hb_set_add</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-set.html#hb-set-add-range" title="hb_set_add_range ()">hb_set_add_range</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-set.html#hb-set-allocation-successful" title="hb_set_allocation_successful ()">hb_set_allocation_successful</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-set.html#hb-set-clear" title="hb_set_clear ()">hb_set_clear</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="returnvalue">hb_set_t</span></a> * </td> <td class="function_name"> <a class="link" href="harfbuzz-hb-set.html#hb-set-create" title="hb_set_create ()">hb_set_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-set.html#hb-set-del" title="hb_set_del ()">hb_set_del</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-set.html#hb-set-del-range" title="hb_set_del_range ()">hb_set_del_range</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-set.html#hb-set-destroy" title="hb_set_destroy ()">hb_set_destroy</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="returnvalue">hb_set_t</span></a> * </td> <td class="function_name"> <a class="link" href="harfbuzz-hb-set.html#hb-set-get-empty" title="hb_set_get_empty ()">hb_set_get_empty</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"> <a class="link" href="harfbuzz-hb-set.html#hb-set-get-max" title="hb_set_get_max ()">hb_set_get_max</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"> <a class="link" href="harfbuzz-hb-set.html#hb-set-get-min" title="hb_set_get_min ()">hb_set_get_min</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type">unsigned <span class="returnvalue">int</span> </td> <td class="function_name"> <a class="link" href="harfbuzz-hb-set.html#hb-set-get-population" title="hb_set_get_population ()">hb_set_get_population</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-set.html#hb-set-get-user-data" title="hb_set_get_user_data ()">hb_set_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-set.html#hb-set-has" title="hb_set_has ()">hb_set_has</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-set.html#hb-set-intersect" title="hb_set_intersect ()">hb_set_intersect</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-set.html#hb-set-is-empty" title="hb_set_is_empty ()">hb_set_is_empty</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-set.html#hb-set-is-equal" title="hb_set_is_equal ()">hb_set_is_equal</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-set.html#hb-set-is-subset" title="hb_set_is_subset ()">hb_set_is_subset</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-set.html#hb-set-next" title="hb_set_next ()">hb_set_next</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-set.html#hb-set-next-range" title="hb_set_next_range ()">hb_set_next_range</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-set.html#hb-set-previous" title="hb_set_previous ()">hb_set_previous</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-set.html#hb-set-previous-range" title="hb_set_previous_range ()">hb_set_previous_range</a> <span class="c_punctuation">()</span> </td> </tr> <tr> <td class="function_type"> <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="returnvalue">hb_set_t</span></a> * </td> <td class="function_name"> <a class="link" href="harfbuzz-hb-set.html#hb-set-reference" title="hb_set_reference ()">hb_set_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-set.html#hb-set-set" title="hb_set_set ()">hb_set_set</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-set.html#hb-set-set-user-data" title="hb_set_set_user_data ()">hb_set_set_user_data</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-set.html#hb-set-subtract" title="hb_set_subtract ()">hb_set_subtract</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-set.html#hb-set-symmetric-difference" title="hb_set_symmetric_difference ()">hb_set_symmetric_difference</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-set.html#hb-set-union" title="hb_set_union ()">hb_set_union</a> <span class="c_punctuation">()</span> </td> </tr> </tbody> </table></div> </div> <div class="refsect1"> <a name="harfbuzz-hb-set.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-set.html#HB-SET-VALUE-INVALID:CAPS" title="HB_SET_VALUE_INVALID">HB_SET_VALUE_INVALID</a></td> </tr> <tr> <td class="typedef_keyword">typedef</td> <td class="function_name"><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t">hb_set_t</a></td> </tr> </tbody> </table></div> </div> <div class="refsect1"> <a name="harfbuzz-hb-set.includes"></a><h2>Includes</h2> <pre class="synopsis">#include <hb.h> </pre> </div> <div class="refsect1"> <a name="harfbuzz-hb-set.description"></a><h2>Description</h2> <p>Set objects represent a mathematical set of integer values. They are used in non-shaping APIs to query certain sets of characters or glyphs, or other integer values.</p> </div> <div class="refsect1"> <a name="harfbuzz-hb-set.functions_details"></a><h2>Functions</h2> <div class="refsect2"> <a name="hb-set-add"></a><h3>hb_set_add ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> hb_set_add (<em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</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> codepoint</code></em>);</pre> <p>Adds <em class="parameter"><code>codepoint</code></em> to <em class="parameter"><code>set</code></em> .</p> <div class="refsect3"> <a name="hb-set-add.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>set</p></td> <td class="parameter_description"><p>A set</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>codepoint</p></td> <td class="parameter_description"><p>The element to add to <em class="parameter"><code>set</code></em> </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-set-add-range"></a><h3>hb_set_add_range ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> hb_set_add_range (<em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</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> first</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> last</code></em>);</pre> <p>Adds all of the elements from <em class="parameter"><code>first</code></em> to <em class="parameter"><code>last</code></em> (inclusive) to <em class="parameter"><code>set</code></em> .</p> <div class="refsect3"> <a name="hb-set-add-range.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>set</p></td> <td class="parameter_description"><p>A set</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>first</p></td> <td class="parameter_description"><p>The first element to add to <em class="parameter"><code>set</code></em> </p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>last</p></td> <td class="parameter_description"><p>The final element to add to <em class="parameter"><code>set</code></em> </p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <p class="since">Since: <a class="link" href="api-index-0-9-7.html#api-index-0.9.7">0.9.7</a></p> </div> <hr> <div class="refsect2"> <a name="hb-set-allocation-successful"></a><h3>hb_set_allocation_successful ()</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_set_allocation_successful (<em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>);</pre> <p>Tests whether memory allocation for a set was successful.</p> <div class="refsect3"> <a name="hb-set-allocation-successful.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>set</p></td> <td class="parameter_description"><p>A set</p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> <div class="refsect3"> <a name="hb-set-allocation-successful.returns"></a><h4>Returns</h4> <p> <code class="literal">true</code> if allocation succeeded, 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-set-clear"></a><h3>hb_set_clear ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> hb_set_clear (<em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>);</pre> <p>Clears out the contents of a set.</p> <div class="refsect3"> <a name="hb-set-clear.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>set</p></td> <td class="parameter_description"><p>A set</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-set-create"></a><h3>hb_set_create ()</h3> <pre class="programlisting"><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="returnvalue">hb_set_t</span></a> * hb_set_create (<em class="parameter"><code><span class="type">void</span></code></em>);</pre> <p>Creates a new, initially empty set.</p> <p><span class="annotation">[Xconstructor]</span></p> <div class="refsect3"> <a name="hb-set-create.returns"></a><h4>Returns</h4> <p>The new <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a>. </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-set-del"></a><h3>hb_set_del ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> hb_set_del (<em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</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> codepoint</code></em>);</pre> <p>Removes <em class="parameter"><code>codepoint</code></em> from <em class="parameter"><code>set</code></em> .</p> <div class="refsect3"> <a name="hb-set-del.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>set</p></td> <td class="parameter_description"><p>A set</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>codepoint</p></td> <td class="parameter_description"><p>Removes <em class="parameter"><code>codepoint</code></em> from <em class="parameter"><code>set</code></em> </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-set-del-range"></a><h3>hb_set_del_range ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> hb_set_del_range (<em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</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> first</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> last</code></em>);</pre> <p>Removes all of the elements from <em class="parameter"><code>first</code></em> to <em class="parameter"><code>last</code></em> (inclusive) from <em class="parameter"><code>set</code></em> .</p> <div class="refsect3"> <a name="hb-set-del-range.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>set</p></td> <td class="parameter_description"><p>A set</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>first</p></td> <td class="parameter_description"><p>The first element to remove from <em class="parameter"><code>set</code></em> </p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>last</p></td> <td class="parameter_description"><p>The final element to remove from <em class="parameter"><code>set</code></em> </p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <p class="since">Since: <a class="link" href="api-index-0-9-7.html#api-index-0.9.7">0.9.7</a></p> </div> <hr> <div class="refsect2"> <a name="hb-set-destroy"></a><h3>hb_set_destroy ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> hb_set_destroy (<em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>);</pre> <p>Decreases the reference count on a set. When the reference count reaches zero, the set 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-set-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>set</p></td> <td class="parameter_description"><p>A set</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-set-get-empty"></a><h3>hb_set_get_empty ()</h3> <pre class="programlisting"><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="returnvalue">hb_set_t</span></a> * hb_set_get_empty (<em class="parameter"><code><span class="type">void</span></code></em>);</pre> <p>Fetches the singleton empty <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a>.</p> <div class="refsect3"> <a name="hb-set-get-empty.returns"></a><h4>Returns</h4> <p>The empty <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a>. </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-set-get-max"></a><h3>hb_set_get_max ()</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_set_get_max (<em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>);</pre> <p>Finds the largest element in the set.</p> <div class="refsect3"> <a name="hb-set-get-max.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>set</p></td> <td class="parameter_description"><p>A set</p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> <div class="refsect3"> <a name="hb-set-get-max.returns"></a><h4>Returns</h4> <p> maximum of <em class="parameter"><code>set</code></em> , or <a class="link" href="harfbuzz-hb-set.html#HB-SET-VALUE-INVALID:CAPS" title="HB_SET_VALUE_INVALID"><code class="literal">HB_SET_VALUE_INVALID</code></a> if <em class="parameter"><code>set</code></em> is empty.</p> </div> <p class="since">Since: <a class="link" href="api-index-0-9-7.html#api-index-0.9.7">0.9.7</a></p> </div> <hr> <div class="refsect2"> <a name="hb-set-get-min"></a><h3>hb_set_get_min ()</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_set_get_min (<em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>);</pre> <p>Finds the smallest element in the set.</p> <div class="refsect3"> <a name="hb-set-get-min.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>set</p></td> <td class="parameter_description"><p>A set</p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> <div class="refsect3"> <a name="hb-set-get-min.returns"></a><h4>Returns</h4> <p> minimum of <em class="parameter"><code>set</code></em> , or <a class="link" href="harfbuzz-hb-set.html#HB-SET-VALUE-INVALID:CAPS" title="HB_SET_VALUE_INVALID"><code class="literal">HB_SET_VALUE_INVALID</code></a> if <em class="parameter"><code>set</code></em> is empty.</p> </div> <p class="since">Since: <a class="link" href="api-index-0-9-7.html#api-index-0.9.7">0.9.7</a></p> </div> <hr> <div class="refsect2"> <a name="hb-set-get-population"></a><h3>hb_set_get_population ()</h3> <pre class="programlisting">unsigned <span class="returnvalue">int</span> hb_set_get_population (<em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>);</pre> <p>Returns the number of elements in the set.</p> <div class="refsect3"> <a name="hb-set-get-population.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>set</p></td> <td class="parameter_description"><p>A set</p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> <div class="refsect3"> <a name="hb-set-get-population.returns"></a><h4>Returns</h4> <p> The population of <em class="parameter"><code>set</code></em> </p> </div> <p class="since">Since: <a class="link" href="api-index-0-9-7.html#api-index-0.9.7">0.9.7</a></p> </div> <hr> <div class="refsect2"> <a name="hb-set-get-user-data"></a><h3>hb_set_get_user_data ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> * hb_set_get_user_data (<em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</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 set.</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-set-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>set</p></td> <td class="parameter_description"><p>A set</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-set-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-set-has"></a><h3>hb_set_has ()</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_set_has (<em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</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> codepoint</code></em>);</pre> <p>Tests whether <em class="parameter"><code>codepoint</code></em> belongs to <em class="parameter"><code>set</code></em> .</p> <div class="refsect3"> <a name="hb-set-has.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>set</p></td> <td class="parameter_description"><p>A set</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>codepoint</p></td> <td class="parameter_description"><p>The element to query</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="hb-set-has.returns"></a><h4>Returns</h4> <p> <code class="literal">true</code> if <em class="parameter"><code>codepoint</code></em> is in <em class="parameter"><code>set</code></em> , 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-set-intersect"></a><h3>hb_set_intersect ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> hb_set_intersect (<em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>, <em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *other</code></em>);</pre> <p>Makes <em class="parameter"><code>set</code></em> the intersection of <em class="parameter"><code>set</code></em> and <em class="parameter"><code>other</code></em> .</p> <div class="refsect3"> <a name="hb-set-intersect.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>set</p></td> <td class="parameter_description"><p>A set</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>other</p></td> <td class="parameter_description"><p>Another set</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-set-is-empty"></a><h3>hb_set_is_empty ()</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_set_is_empty (<em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>);</pre> <p>Tests whether a set is empty (contains no elements).</p> <div class="refsect3"> <a name="hb-set-is-empty.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>set</p></td> <td class="parameter_description"><p>a set.</p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> <div class="refsect3"> <a name="hb-set-is-empty.returns"></a><h4>Returns</h4> <p> <code class="literal">true</code> if <em class="parameter"><code>set</code></em> is empty</p> </div> <p class="since">Since: <a class="link" href="api-index-0-9-7.html#api-index-0.9.7">0.9.7</a></p> </div> <hr> <div class="refsect2"> <a name="hb-set-is-equal"></a><h3>hb_set_is_equal ()</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_set_is_equal (<em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>, <em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *other</code></em>);</pre> <p>Tests whether <em class="parameter"><code>set</code></em> and <em class="parameter"><code>other</code></em> are equal (contain the same elements).</p> <div class="refsect3"> <a name="hb-set-is-equal.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>set</p></td> <td class="parameter_description"><p>A set</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>other</p></td> <td class="parameter_description"><p>Another set</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="hb-set-is-equal.returns"></a><h4>Returns</h4> <p> <code class="literal">TRUE</code> if the two sets are equal, <code class="literal">FALSE</code> otherwise.</p> </div> <p class="since">Since: <a class="link" href="api-index-0-9-7.html#api-index-0.9.7">0.9.7</a></p> </div> <hr> <div class="refsect2"> <a name="hb-set-is-subset"></a><h3>hb_set_is_subset ()</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_set_is_subset (<em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>, <em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *larger_set</code></em>);</pre> <p>Tests whether <em class="parameter"><code>set</code></em> is a subset of <em class="parameter"><code>larger_set</code></em> .</p> <div class="refsect3"> <a name="hb-set-is-subset.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>set</p></td> <td class="parameter_description"><p>A set</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>larger_set</p></td> <td class="parameter_description"><p>Another set</p></td> <td class="parameter_annotations"> </td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="hb-set-is-subset.returns"></a><h4>Returns</h4> <p> <code class="literal">TRUE</code> if the <em class="parameter"><code>set</code></em> is a subset of (or equal to) <em class="parameter"><code>larger_set</code></em> , <code class="literal">FALSE</code> otherwise.</p> </div> <p class="since">Since: <a class="link" href="api-index-1-8-1.html#api-index-1.8.1">1.8.1</a></p> </div> <hr> <div class="refsect2"> <a name="hb-set-next"></a><h3>hb_set_next ()</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_set_next (<em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</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> *codepoint</code></em>);</pre> <p>Fetches the next element in <em class="parameter"><code>set</code></em> that is greater than current value of <em class="parameter"><code>codepoint</code></em> .</p> <p>Set <em class="parameter"><code>codepoint</code></em> to <a class="link" href="harfbuzz-hb-set.html#HB-SET-VALUE-INVALID:CAPS" title="HB_SET_VALUE_INVALID"><code class="literal">HB_SET_VALUE_INVALID</code></a> to get started.</p> <div class="refsect3"> <a name="hb-set-next.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>set</p></td> <td class="parameter_description"><p>A set</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>codepoint</p></td> <td class="parameter_description"><p>Input = Code point to query Output = Code point retrieved. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for input and for returning results. Default is transfer full."><span class="acronym">inout</span></acronym>]</span></td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="hb-set-next.returns"></a><h4>Returns</h4> <p> <code class="literal">true</code> if there was a next value, 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-set-next-range"></a><h3>hb_set_next_range ()</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_set_next_range (<em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</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> *first</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> *last</code></em>);</pre> <p>Fetches the next consecutive range of elements in <em class="parameter"><code>set</code></em> that are greater than current value of <em class="parameter"><code>last</code></em> .</p> <p>Set <em class="parameter"><code>last</code></em> to <a class="link" href="harfbuzz-hb-set.html#HB-SET-VALUE-INVALID:CAPS" title="HB_SET_VALUE_INVALID"><code class="literal">HB_SET_VALUE_INVALID</code></a> to get started.</p> <div class="refsect3"> <a name="hb-set-next-range.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>set</p></td> <td class="parameter_description"><p>A set</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>first</p></td> <td class="parameter_description"><p>The first code point in the range. </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>last</p></td> <td class="parameter_description"><p>Input = The current last code point in the range Output = The last code point in the range. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for input and for returning results. Default is transfer full."><span class="acronym">inout</span></acronym>]</span></td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="hb-set-next-range.returns"></a><h4>Returns</h4> <p> <code class="literal">true</code> if there was a next range, false otherwise</p> </div> <p class="since">Since: <a class="link" href="api-index-0-9-7.html#api-index-0.9.7">0.9.7</a></p> </div> <hr> <div class="refsect2"> <a name="hb-set-previous"></a><h3>hb_set_previous ()</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_set_previous (<em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</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> *codepoint</code></em>);</pre> <p>Fetches the previous element in <em class="parameter"><code>set</code></em> that is lower than current value of <em class="parameter"><code>codepoint</code></em> .</p> <p>Set <em class="parameter"><code>codepoint</code></em> to <a class="link" href="harfbuzz-hb-set.html#HB-SET-VALUE-INVALID:CAPS" title="HB_SET_VALUE_INVALID"><code class="literal">HB_SET_VALUE_INVALID</code></a> to get started.</p> <div class="refsect3"> <a name="hb-set-previous.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>set</p></td> <td class="parameter_description"><p>A set</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>codepoint</p></td> <td class="parameter_description"><p>Input = Code point to query Output = Code point retrieved. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for input and for returning results. Default is transfer full."><span class="acronym">inout</span></acronym>]</span></td> </tr> </tbody> </table></div> </div> <div class="refsect3"> <a name="hb-set-previous.returns"></a><h4>Returns</h4> <p> <code class="literal">true</code> if there was a previous value, false otherwise</p> </div> <p class="since">Since: <a class="link" href="api-index-1-8-0.html#api-index-1.8.0">1.8.0</a></p> </div> <hr> <div class="refsect2"> <a name="hb-set-previous-range"></a><h3>hb_set_previous_range ()</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_set_previous_range (<em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</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> *first</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> *last</code></em>);</pre> <p>Fetches the previous consecutive range of elements in <em class="parameter"><code>set</code></em> that are greater than current value of <em class="parameter"><code>last</code></em> .</p> <p>Set <em class="parameter"><code>first</code></em> to <a class="link" href="harfbuzz-hb-set.html#HB-SET-VALUE-INVALID:CAPS" title="HB_SET_VALUE_INVALID"><code class="literal">HB_SET_VALUE_INVALID</code></a> to get started.</p> <div class="refsect3"> <a name="hb-set-previous-range.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>set</p></td> <td class="parameter_description"><p>A set</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>first</p></td> <td class="parameter_description"><p>Input = The current first code point in the range Output = The first code point in the range. </p></td> <td class="parameter_annotations"><span class="annotation">[<acronym title="Parameter for input and for returning results. Default is transfer full."><span class="acronym">inout</span></acronym>]</span></td> </tr> <tr> <td class="parameter_name"><p>last</p></td> <td class="parameter_description"><p>The last code point in the range. </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-set-previous-range.returns"></a><h4>Returns</h4> <p> <code class="literal">true</code> if there was a previous range, false otherwise</p> </div> <p class="since">Since: <a class="link" href="api-index-1-8-0.html#api-index-1.8.0">1.8.0</a></p> </div> <hr> <div class="refsect2"> <a name="hb-set-reference"></a><h3>hb_set_reference ()</h3> <pre class="programlisting"><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="returnvalue">hb_set_t</span></a> * hb_set_reference (<em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>);</pre> <p>Increases the reference count on a set.</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-set-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>set</p></td> <td class="parameter_description"><p>A set</p></td> <td class="parameter_annotations"> </td> </tr></tbody> </table></div> </div> <div class="refsect3"> <a name="hb-set-reference.returns"></a><h4>Returns</h4> <p>The set. </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-set-set"></a><h3>hb_set_set ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> hb_set_set (<em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>, <em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *other</code></em>);</pre> <p>Makes the contents of <em class="parameter"><code>set</code></em> equal to the contents of <em class="parameter"><code>other</code></em> .</p> <div class="refsect3"> <a name="hb-set-set.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>set</p></td> <td class="parameter_description"><p>A set</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>other</p></td> <td class="parameter_description"><p>Another set</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-set-set-user-data"></a><h3>hb_set_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_set_set_user_data (<em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</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 set.</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-set-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>set</p></td> <td class="parameter_description"><p>A set</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 set</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 to set</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-set-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-set-subtract"></a><h3>hb_set_subtract ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> hb_set_subtract (<em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>, <em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *other</code></em>);</pre> <p>Subtracts the contents of <em class="parameter"><code>other</code></em> from <em class="parameter"><code>set</code></em> .</p> <div class="refsect3"> <a name="hb-set-subtract.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>set</p></td> <td class="parameter_description"><p>A set</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>other</p></td> <td class="parameter_description"><p>Another set</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-set-symmetric-difference"></a><h3>hb_set_symmetric_difference ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> hb_set_symmetric_difference (<em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>, <em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *other</code></em>);</pre> <p>Makes <em class="parameter"><code>set</code></em> the symmetric difference of <em class="parameter"><code>set</code></em> and <em class="parameter"><code>other</code></em> .</p> <div class="refsect3"> <a name="hb-set-symmetric-difference.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>set</p></td> <td class="parameter_description"><p>A set</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>other</p></td> <td class="parameter_description"><p>Another set</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-set-union"></a><h3>hb_set_union ()</h3> <pre class="programlisting"><span class="returnvalue">void</span> hb_set_union (<em class="parameter"><code><a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *set</code></em>, <em class="parameter"><code>const <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a> *other</code></em>);</pre> <p>Makes <em class="parameter"><code>set</code></em> the union of <em class="parameter"><code>set</code></em> and <em class="parameter"><code>other</code></em> .</p> <div class="refsect3"> <a name="hb-set-union.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>set</p></td> <td class="parameter_description"><p>A set</p></td> <td class="parameter_annotations"> </td> </tr> <tr> <td class="parameter_name"><p>other</p></td> <td class="parameter_description"><p>Another set</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> </div> <div class="refsect1"> <a name="harfbuzz-hb-set.other_details"></a><h2>Types and Values</h2> <div class="refsect2"> <a name="HB-SET-VALUE-INVALID:CAPS"></a><h3>HB_SET_VALUE_INVALID</h3> <pre class="programlisting">#define HB_SET_VALUE_INVALID ((hb_codepoint_t) -1) </pre> </div> <hr> <div class="refsect2"> <a name="hb-set-t"></a><h3>hb_set_t</h3> <pre class="programlisting">typedef struct hb_set_t hb_set_t; </pre> <p>Data type for holding a set of integers. <a class="link" href="harfbuzz-hb-set.html#hb-set-t" title="hb_set_t"><span class="type">hb_set_t</span></a>'s are used to gather and contain glyph IDs, Unicode code points, and various other collections of discrete values.</p> </div> </div> </div> <div class="footer"> <hr>Generated by GTK-Doc V1.32</div> </body> </html>
