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—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> 215