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-deprecated.xml"/> 60 <xi:include href="xml/hb-face.xml"/> 61 <xi:include href="xml/hb-font.xml"/> 62 <xi:include href="xml/hb-map.xml"/> 63 <xi:include href="xml/hb-set.xml"/> 64 <xi:include href="xml/hb-shape-plan.xml"/> 65 <xi:include href="xml/hb-shape.xml"/> 66 <xi:include href="xml/hb-unicode.xml"/> 67 <xi:include href="xml/hb-version.xml"/> 68 </chapter> 69 70 <chapter id="opentype-api"> 71 <title>OpenType API</title> 72 <xi:include href="xml/hb-ot-color.xml"/> 73 <xi:include href="xml/hb-ot-font.xml"/> 74 <xi:include href="xml/hb-ot-layout.xml"/> 75 <xi:include href="xml/hb-ot-math.xml"/> 76 <xi:include href="xml/hb-ot-meta.xml"/> 77 <xi:include href="xml/hb-ot-metrics.xml"/> 78 <xi:include href="xml/hb-ot-name.xml"/> 79 <xi:include href="xml/hb-ot-shape.xml"/> 80 <xi:include href="xml/hb-ot-var.xml"/> 81 </chapter> 82 83 <chapter id="apple-advanced-typography-api"> 84 <title>Apple Advanced Typography API</title> 85 <xi:include href="xml/hb-aat-layout.xml"/> 86 </chapter> 87 88 <chapter id="integration-api"> 89 <title>Integration API</title> 90 <xi:include href="xml/hb-coretext.xml"/> 91 <xi:include href="xml/hb-ft.xml"/> 92 <xi:include href="xml/hb-glib.xml"/> 93 <xi:include href="xml/hb-graphite2.xml"/> 94 <xi:include href="xml/hb-icu.xml"/> 95 <xi:include href="xml/hb-uniscribe.xml"/> 96 <xi:include href="xml/hb-gdi.xml"/> 97 <xi:include href="xml/hb-directwrite.xml"/> 98 </chapter> 99 100 <chapter id="style-api"> 101 <title>Style API</title> 102 <xi:include href="xml/hb-style.xml"/> 103 </chapter> 104 105 <chapter id="subset-api"> 106 <title>Subset API</title> 107 <xi:include href="xml/hb-subset.xml"/> 108 </chapter> 109 110 111 <!--chapter id="object-tree"> 112 <title>Object Hierarchy</title> 113 <xi:include href="xml/tree_index.sgml"/> 114 </chapter--> 115 116 <index id="api-index-full"><title>API Index</title><xi:include href="xml/api-index-full.xml"><xi:fallback /></xi:include></index> 117 <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> 118 119 <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> 120 <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> 121 <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> 122 <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> 123 <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> 124 <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> 125 <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> 126 <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> 127 <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> 128 <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> 129 <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> 130 <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> 131 <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> 132 <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> 133 <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> 134 <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> 135 <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> 136 <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> 137 <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> 138 <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> 139 <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> 140 <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> 141 <index id="api-index-1-7-5" role="1.7.5"><title>Index of new symbols in 1.7.5</title><xi:include href="xml/api-index-1.7.5.xml"><xi:fallback /></xi:include></index> 142 <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> 143 <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> 144 <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> 145 <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> 146 <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> 147 <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> 148 <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> 149 <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> 150 <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> 151 <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> 152 <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> 153 <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> 154 <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> 155 <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> 156 <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> 157 <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> 158 <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> 159 <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> 160 <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> 161 <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> 162 <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> 163 <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> 164 <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> 165 <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> 166 <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> 167 <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> 168 <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> 169 <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> 170 <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> 171 <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> 172 173 <xi:include href="xml/annotation-glossary.xml"><xi:fallback /></xi:include> 174 </part> 175 176 <note> 177 <para> 178 The current HarfBuzz codebase is versioned 2.x.x and is stable 179 and under active maintenance. This is what is used in latest 180 versions of Firefox, GNOME, ChromeOS, Chrome, LibreOffice, 181 XeTeX, Android, and KDE, among other places. 182 </para> 183 <para> 184 Prior to 2012, the original HarfBuzz codebase (which, these days, is 185 referred to as <emphasis>harfbuzz-old</emphasis>) was derived from code 186 in <ulink url="http://freetype.org/">FreeType</ulink>, 187 <ulink url="http://pango.org/">Pango</ulink>, and 188 <ulink url="http://qt-project.org/">Qt</ulink>. 189 It is <emphasis>not</emphasis> actively developed or maintained, and is 190 extremely buggy. All users of harfbuzz-old are encouraged to switch over 191 to the new HarfBuzz as soon as possible. 192 </para> 193 <para> 194 To make this distinction clearer in discussions, the current HarfBuzz 195 codebase is sometimes referred to as <emphasis>harfbuzz-ng</emphasis>. 196 </para> 197 <para> 198 For reference purposes, the harfbuzz-old source tree is archived 199 <ulink url="http://cgit.freedesktop.org/harfbuzz.old/">here</ulink>. 200 There are no release tarballs of harfbuzz-old whatsoever. 201 </para> 202 </note> 203 204</book> 205