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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1:1d09e1dec1d9 2:b50eed0cc0ef
1 <?xml version="1.0"?>
2 <!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
3 "http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd" [
4 <!ENTITY % local.common.attrib "xmlns:xi CDATA #FIXED 'http://www.w3.org/2003/XInclude'">
5 <!ENTITY version SYSTEM "version.xml">
6 ]>
7 <book id="index">
8 <bookinfo>
9 <title>HarfBuzz Manual</title>
10 <abstract>
11 <title>HarfBuzz</title>
12 <graphic fileref="HarfBuzz.png" format="PNG" align="center"/>
13 <para>
14 HarfBuzz is a text shaping library. Using the HarfBuzz library allows
15 programs to convert a sequence of Unicode input into
16 properly formatted and positioned glyph output&mdash;for any writing
17 system and language.
18 </para>
19
20 <para>
21 The canonical source-code tree is available at
22 <ulink url="https://github.com/harfbuzz/harfbuzz">github.com/harfbuzz/harfbuzz</ulink>.
23 See <xref linkend="download" endterm="download.title"/> for
24 release tarballs.
25 </para>
26 </abstract>
27 </bookinfo>
28
29 <part id="user-manual">
30 <title>User's manual</title>
31 <xi:include href="usermanual-what-is-harfbuzz.xml"/>
32 <xi:include href="usermanual-install-harfbuzz.xml"/>
33 <xi:include href="usermanual-getting-started.xml"/>
34 <xi:include href="usermanual-shaping-concepts.xml"/>
35 <xi:include href="usermanual-object-model.xml"/>
36 <xi:include href="usermanual-buffers-language-script-and-direction.xml"/>
37 <xi:include href="usermanual-fonts-and-faces.xml"/>
38 <xi:include href="usermanual-opentype-features.xml"/>
39 <xi:include href="usermanual-clusters.xml"/>
40 <xi:include href="usermanual-utilities.xml"/>
41 <xi:include href="usermanual-integration.xml"/>
42 </part>
43
44 <part id="reference-manual">
45 <partinfo>
46 <releaseinfo>
47 This document is for HarfBuzz &version;.
48 <!--The latest version of this documentation can be found on-line at
49 <ulink role="online-location" url="http://[SERVER]/libharfbuzz/index.html">http://[SERVER]/libharfbuzz/</ulink>.-->
50 </releaseinfo>
51 </partinfo>
52
53 <title>Reference manual</title>
54 <chapter id="core-api">
55 <title>Core API</title>
56 <xi:include href="xml/hb-blob.xml"/>
57 <xi:include href="xml/hb-buffer.xml"/>
58 <xi:include href="xml/hb-common.xml"/>
59 <xi:include href="xml/hb-draw.xml"/>
60 <xi:include href="xml/hb-deprecated.xml"/>
61 <xi:include href="xml/hb-face.xml"/>
62 <xi:include href="xml/hb-font.xml"/>
63 <xi:include href="xml/hb-map.xml"/>
64 <xi:include href="xml/hb-set.xml"/>
65 <xi:include href="xml/hb-shape-plan.xml"/>
66 <xi:include href="xml/hb-shape.xml"/>
67 <xi:include href="xml/hb-unicode.xml"/>
68 <xi:include href="xml/hb-version.xml"/>
69 </chapter>
70
71 <chapter id="opentype-api">
72 <title>OpenType API</title>
73 <xi:include href="xml/hb-ot-color.xml"/>
74 <xi:include href="xml/hb-ot-font.xml"/>
75 <xi:include href="xml/hb-ot-layout.xml"/>
76 <xi:include href="xml/hb-ot-math.xml"/>
77 <xi:include href="xml/hb-ot-meta.xml"/>
78 <xi:include href="xml/hb-ot-metrics.xml"/>
79 <xi:include href="xml/hb-ot-name.xml"/>
80 <xi:include href="xml/hb-ot-shape.xml"/>
81 <xi:include href="xml/hb-ot-var.xml"/>
82 </chapter>
83
84 <chapter id="apple-advanced-typography-api">
85 <title>Apple Advanced Typography API</title>
86 <xi:include href="xml/hb-aat-layout.xml"/>
87 </chapter>
88
89 <chapter id="integration-api">
90 <title>Integration API</title>
91 <xi:include href="xml/hb-coretext.xml"/>
92 <xi:include href="xml/hb-ft.xml"/>
93 <xi:include href="xml/hb-glib.xml"/>
94 <xi:include href="xml/hb-graphite2.xml"/>
95 <xi:include href="xml/hb-icu.xml"/>
96 <xi:include href="xml/hb-uniscribe.xml"/>
97 <xi:include href="xml/hb-gdi.xml"/>
98 <xi:include href="xml/hb-directwrite.xml"/>
99 </chapter>
100
101 <chapter id="style-api">
102 <title>Style API</title>
103 <xi:include href="xml/hb-style.xml"/>
104 </chapter>
105
106 <chapter id="subset-api">
107 <title>Subset API</title>
108 <xi:include href="xml/hb-subset.xml"/>
109 </chapter>
110
111
112 <!--chapter id="object-tree">
113 <title>Object Hierarchy</title>
114 <xi:include href="xml/tree_index.sgml"/>
115 </chapter-->
116
117 <index id="api-index-full"><title>API Index</title><xi:include href="xml/api-index-full.xml"><xi:fallback /></xi:include></index>
118 <index id="deprecated-api-index" role="deprecated"><title>Index of deprecated API</title><xi:include href="xml/api-index-deprecated.xml"><xi:fallback /></xi:include></index>
119
120 <index id="api-index-6-0-0" role="6.0.0"><title>Index of new symbols in 6.0.0</title><xi:include href="xml/api-index-6.0.0.xml"><xi:fallback /></xi:include></index>
121 <index id="api-index-5-3-0" role="5.3.0"><title>Index of new symbols in 5.3.0</title><xi:include href="xml/api-index-5.3.0.xml"><xi:fallback /></xi:include></index>
122 <index id="api-index-5-0-0" role="5.0.0"><title>Index of new symbols in 5.0.0</title><xi:include href="xml/api-index-5.0.0.xml"><xi:fallback /></xi:include></index>
123 <index id="api-index-4-4-0" role="4.4.0"><title>Index of new symbols in 4.4.0</title><xi:include href="xml/api-index-4.4.0.xml"><xi:fallback /></xi:include></index>
124 <index id="api-index-4-3-0" role="4.3.0"><title>Index of new symbols in 4.3.0</title><xi:include href="xml/api-index-4.3.0.xml"><xi:fallback /></xi:include></index>
125 <index id="api-index-4-2-0" role="4.2.0"><title>Index of new symbols in 4.2.0</title><xi:include href="xml/api-index-4.2.0.xml"><xi:fallback /></xi:include></index>
126 <index id="api-index-4-1-0" role="4.1.0"><title>Index of new symbols in 4.1.0</title><xi:include href="xml/api-index-4.1.0.xml"><xi:fallback /></xi:include></index>
127 <index id="api-index-4-0-0" role="4.0.0"><title>Index of new symbols in 4.0.0</title><xi:include href="xml/api-index-4.0.0.xml"><xi:fallback /></xi:include></index>
128 <index id="api-index-3-4-0" role="3.4.0"><title>Index of new symbols in 3.4.0</title><xi:include href="xml/api-index-3.4.0.xml"><xi:fallback /></xi:include></index>
129 <index id="api-index-3-3-0" role="3.3.0"><title>Index of new symbols in 3.3.0</title><xi:include href="xml/api-index-3.3.0.xml"><xi:fallback /></xi:include></index>
130 <index id="api-index-3-1-0" role="3.1.0"><title>Index of new symbols in 3.1.0</title><xi:include href="xml/api-index-3.1.0.xml"><xi:fallback /></xi:include></index>
131 <index id="api-index-3-0-0" role="3.0.0"><title>Index of new symbols in 3.0.0</title><xi:include href="xml/api-index-3.0.0.xml"><xi:fallback /></xi:include></index>
132 <index id="api-index-2-9-1" role="2.9.1"><title>Index of new symbols in 2.9.1</title><xi:include href="xml/api-index-2.9.1.xml"><xi:fallback /></xi:include></index>
133 <index id="api-index-2-9-0" role="2.9.0"><title>Index of new symbols in 2.9.0</title><xi:include href="xml/api-index-2.9.0.xml"><xi:fallback /></xi:include></index>
134 <index id="api-index-2-8-2" role="2.8.2"><title>Index of new symbols in 2.8.2</title><xi:include href="xml/api-index-2.8.2.xml"><xi:fallback /></xi:include></index>
135 <index id="api-index-2-7-3" role="2.7.3"><title>Index of new symbols in 2.7.3</title><xi:include href="xml/api-index-2.7.3.xml"><xi:fallback /></xi:include></index>
136 <index id="api-index-2-6-8" role="2.6.8"><title>Index of new symbols in 2.6.8</title><xi:include href="xml/api-index-2.6.8.xml"><xi:fallback /></xi:include></index>
137 <index id="api-index-2-6-5" role="2.6.5"><title>Index of new symbols in 2.6.5</title><xi:include href="xml/api-index-2.6.5.xml"><xi:fallback /></xi:include></index>
138 <index id="api-index-2-6-3" role="2.6.3"><title>Index of new symbols in 2.6.3</title><xi:include href="xml/api-index-2.6.3.xml"><xi:fallback /></xi:include></index>
139 <index id="api-index-2-6-0" role="2.6.0"><title>Index of new symbols in 2.6.0</title><xi:include href="xml/api-index-2.6.0.xml"><xi:fallback /></xi:include></index>
140 <index id="api-index-2-5-0" role="2.5.0"><title>Index of new symbols in 2.5.0</title><xi:include href="xml/api-index-2.5.0.xml"><xi:fallback /></xi:include></index>
141 <index id="api-index-2-4-0" role="2.4.0"><title>Index of new symbols in 2.4.0</title><xi:include href="xml/api-index-2.4.0.xml"><xi:fallback /></xi:include></index>
142 <index id="api-index-2-3-0" role="2.3.0"><title>Index of new symbols in 2.3.0</title><xi:include href="xml/api-index-2.3.0.xml"><xi:fallback /></xi:include></index>
143 <index id="api-index-2-2-0" role="2.2.0"><title>Index of new symbols in 2.2.0</title><xi:include href="xml/api-index-2.2.0.xml"><xi:fallback /></xi:include></index>
144 <index id="api-index-2-1-0" role="2.1.0"><title>Index of new symbols in 2.1.0</title><xi:include href="xml/api-index-2.1.0.xml"><xi:fallback /></xi:include></index>
145 <index id="api-index-2-0-0" role="2.0.0"><title>Index of new symbols in 2.0.0</title><xi:include href="xml/api-index-2.0.0.xml"><xi:fallback /></xi:include></index>
146 <index id="api-index-1-9-0" role="1.9.0"><title>Index of new symbols in 1.9.0</title><xi:include href="xml/api-index-1.9.0.xml"><xi:fallback /></xi:include></index>
147 <index id="api-index-1-8-6" role="1.8.6"><title>Index of new symbols in 1.8.6</title><xi:include href="xml/api-index-1.8.6.xml"><xi:fallback /></xi:include></index>
148 <index id="api-index-1-8-5" role="1.8.5"><title>Index of new symbols in 1.8.5</title><xi:include href="xml/api-index-1.8.5.xml"><xi:fallback /></xi:include></index>
149 <index id="api-index-1-8-1" role="1.8.1"><title>Index of new symbols in 1.8.1</title><xi:include href="xml/api-index-1.8.1.xml"><xi:fallback /></xi:include></index>
150 <index id="api-index-1-8-0" role="1.8.0"><title>Index of new symbols in 1.8.0</title><xi:include href="xml/api-index-1.8.0.xml"><xi:fallback /></xi:include></index>
151 <index id="api-index-1-7-7" role="1.7.7"><title>Index of new symbols in 1.7.7</title><xi:include href="xml/api-index-1.7.7.xml"><xi:fallback /></xi:include></index>
152 <index id="api-index-1-7-2" role="1.7.2"><title>Index of new symbols in 1.7.2</title><xi:include href="xml/api-index-1.7.2.xml"><xi:fallback /></xi:include></index>
153 <index id="api-index-1-6-0" role="1.6.0"><title>Index of new symbols in 1.6.0</title><xi:include href="xml/api-index-1.6.0.xml"><xi:fallback /></xi:include></index>
154 <index id="api-index-1-5-0" role="1.5.0"><title>Index of new symbols in 1.5.0</title><xi:include href="xml/api-index-1.5.0.xml"><xi:fallback /></xi:include></index>
155 <index id="api-index-1-4-3" role="1.4.3"><title>Index of new symbols in 1.4.3</title><xi:include href="xml/api-index-1.4.3.xml"><xi:fallback /></xi:include></index>
156 <index id="api-index-1-4-2" role="1.4.2"><title>Index of new symbols in 1.4.2</title><xi:include href="xml/api-index-1.4.2.xml"><xi:fallback /></xi:include></index>
157 <index id="api-index-1-4-0" role="1.4.0"><title>Index of new symbols in 1.4.0</title><xi:include href="xml/api-index-1.4.0.xml"><xi:fallback /></xi:include></index>
158 <index id="api-index-1-3-3" role="1.3.3"><title>Index of new symbols in 1.3.3</title><xi:include href="xml/api-index-1.3.3.xml"><xi:fallback /></xi:include></index>
159 <index id="api-index-1-2-3" role="1.2.3"><title>Index of new symbols in 1.2.3</title><xi:include href="xml/api-index-1.2.3.xml"><xi:fallback /></xi:include></index>
160 <index id="api-index-1-1-3" role="1.1.3"><title>Index of new symbols in 1.1.3</title><xi:include href="xml/api-index-1.1.3.xml"><xi:fallback /></xi:include></index>
161 <index id="api-index-1-1-2" role="1.1.2"><title>Index of new symbols in 1.1.2</title><xi:include href="xml/api-index-1.1.2.xml"><xi:fallback /></xi:include></index>
162 <index id="api-index-1-0-5" role="1.0.5"><title>Index of new symbols in 1.0.5</title><xi:include href="xml/api-index-1.0.5.xml"><xi:fallback /></xi:include></index>
163 <index id="api-index-0-9-42" role="0.9.42"><title>Index of new symbols in 0.9.42</title><xi:include href="xml/api-index-0.9.42.xml"><xi:fallback /></xi:include></index>
164 <index id="api-index-0-9-41" role="0.9.41"><title>Index of new symbols in 0.9.41</title><xi:include href="xml/api-index-0.9.41.xml"><xi:fallback /></xi:include></index>
165 <index id="api-index-0-9-39" role="0.9.39"><title>Index of new symbols in 0.9.39</title><xi:include href="xml/api-index-0.9.39.xml"><xi:fallback /></xi:include></index>
166 <index id="api-index-0-9-38" role="0.9.38"><title>Index of new symbols in 0.9.38</title><xi:include href="xml/api-index-0.9.38.xml"><xi:fallback /></xi:include></index>
167 <index id="api-index-0-9-33" role="0.9.33"><title>Index of new symbols in 0.9.33</title><xi:include href="xml/api-index-0.9.33.xml"><xi:fallback /></xi:include></index>
168 <index id="api-index-0-9-31" role="0.9.31"><title>Index of new symbols in 0.9.31</title><xi:include href="xml/api-index-0.9.31.xml"><xi:fallback /></xi:include></index>
169 <index id="api-index-0-9-30" role="0.9.30"><title>Index of new symbols in 0.9.30</title><xi:include href="xml/api-index-0.9.30.xml"><xi:fallback /></xi:include></index>
170 <index id="api-index-0-9-28" role="0.9.28"><title>Index of new symbols in 0.9.28</title><xi:include href="xml/api-index-0.9.28.xml"><xi:fallback /></xi:include></index>
171 <index id="api-index-0-9-26" role="0.9.26"><title>Index of new symbols in 0.9.26</title><xi:include href="xml/api-index-0.9.26.xml"><xi:fallback /></xi:include></index>
172 <index id="api-index-0-9-22" role="0.9.22"><title>Index of new symbols in 0.9.22</title><xi:include href="xml/api-index-0.9.22.xml"><xi:fallback /></xi:include></index>
173 <index id="api-index-0-9-21" role="0.9.21"><title>Index of new symbols in 0.9.21</title><xi:include href="xml/api-index-0.9.21.xml"><xi:fallback /></xi:include></index>
174 <index id="api-index-0-9-20" role="0.9.20"><title>Index of new symbols in 0.9.20</title><xi:include href="xml/api-index-0.9.20.xml"><xi:fallback /></xi:include></index>
175 <index id="api-index-0-9-11" role="0.9.11"><title>Index of new symbols in 0.9.11</title><xi:include href="xml/api-index-0.9.11.xml"><xi:fallback /></xi:include></index>
176 <index id="api-index-0-9-10" role="0.9.10"><title>Index of new symbols in 0.9.10</title><xi:include href="xml/api-index-0.9.10.xml"><xi:fallback /></xi:include></index>
177 <index id="api-index-0-9-8" role="0.9.8"><title>Index of new symbols in 0.9.8</title><xi:include href="xml/api-index-0.9.8.xml"><xi:fallback /></xi:include></index>
178 <index id="api-index-0-9-7" role="0.9.7"><title>Index of new symbols in 0.9.7</title><xi:include href="xml/api-index-0.9.7.xml"><xi:fallback /></xi:include></index>
179 <index id="api-index-0-9-5" role="0.9.5"><title>Index of new symbols in 0.9.5</title><xi:include href="xml/api-index-0.9.5.xml"><xi:fallback /></xi:include></index>
180 <index id="api-index-0-9-2" role="0.9.2"><title>Index of new symbols in 0.9.2</title><xi:include href="xml/api-index-0.9.2.xml"><xi:fallback /></xi:include></index>
181 <index id="api-index-0-6-0" role="0.6.0"><title>Index of new symbols in 0.6.0</title><xi:include href="xml/api-index-0.6.0.xml"><xi:fallback /></xi:include></index>
182
183 <xi:include href="xml/annotation-glossary.xml"><xi:fallback /></xi:include>
184 </part>
185
186 <note>
187 <para>
188 The current HarfBuzz codebase is versioned 2.x.x and is stable
189 and under active maintenance. This is what is used in latest
190 versions of Firefox, GNOME, ChromeOS, Chrome, LibreOffice,
191 XeTeX, Android, and KDE, among other places.
192 </para>
193 <para>
194 Prior to 2012, the original HarfBuzz codebase (which, these days, is
195 referred to as <emphasis>harfbuzz-old</emphasis>) was derived from code
196 in <ulink url="http://freetype.org/">FreeType</ulink>,
197 <ulink url="http://pango.org/">Pango</ulink>, and
198 <ulink url="http://qt-project.org/">Qt</ulink>.
199 It is <emphasis>not</emphasis> actively developed or maintained, and is
200 extremely buggy. All users of harfbuzz-old are encouraged to switch over
201 to the new HarfBuzz as soon as possible.
202 </para>
203 <para>
204 To make this distinction clearer in discussions, the current HarfBuzz
205 codebase is sometimes referred to as <emphasis>harfbuzz-ng</emphasis>.
206 </para>
207 <para>
208 For reference purposes, the harfbuzz-old source tree is archived
209 <ulink url="http://cgit.freedesktop.org/harfbuzz.old/">here</ulink>.
210 There are no release tarballs of harfbuzz-old whatsoever.
211 </para>
212 </note>
213
214 </book>