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<div class="part">
<div class="titlepage"><div>
<div><h1 class="title">
<a name="id-1.3"></a>Part II. Reference manual</h1></div>
<div><p class="releaseinfo">
- This document is for HarfBuzz 1.8.1
+ This document is for HarfBuzz 2.3.1
.
</p></div>
<div class="toc">
<p><b>Table of Contents</b></p>
<dl class="toc">
-<dt><span class="chapter"><a href="ch08.html">HarfBuzz API</a></span></dt>
+<dt><span class="chapter"><a href="ch09.html">Core API</a></span></dt>
<dd><dl>
<dt>
-<span class="refentrytitle"><a href="harfbuzz-hb.html">hb</a></span><span class="refpurpose"></span>
+<span class="refentrytitle"><a href="harfbuzz-hb-blob.html">hb-blob</a></span><span class="refpurpose"> — Binary data containers</span>
</dt>
<dt>
-<span class="refentrytitle"><a href="harfbuzz-hb-common.html">hb-common</a></span><span class="refpurpose"></span>
+<span class="refentrytitle"><a href="harfbuzz-hb-buffer.html">hb-buffer</a></span><span class="refpurpose"> — Input and output buffers</span>
</dt>
<dt>
-<span class="refentrytitle"><a href="harfbuzz-hb-unicode.html">hb-unicode</a></span><span class="refpurpose"></span>
+<span class="refentrytitle"><a href="harfbuzz-hb-common.html">hb-common</a></span><span class="refpurpose"> — Common data types</span>
</dt>
<dt>
-<span class="refentrytitle"><a href="harfbuzz-Buffers.html">Buffers</a></span><span class="refpurpose"> — Input and output buffers</span>
+<span class="refentrytitle"><a href="harfbuzz-hb-deprecated.html">hb-deprecated</a></span><span class="refpurpose"> — Deprecated API</span>
</dt>
<dt>
-<span class="refentrytitle"><a href="harfbuzz-hb-blob.html">hb-blob</a></span><span class="refpurpose"></span>
+<span class="refentrytitle"><a href="harfbuzz-hb-face.html">hb-face</a></span><span class="refpurpose"> — Font face objects</span>
</dt>
<dt>
-<span class="refentrytitle"><a href="harfbuzz-hb-face.html">hb-face</a></span><span class="refpurpose"></span>
+<span class="refentrytitle"><a href="harfbuzz-hb-font.html">hb-font</a></span><span class="refpurpose"> — Font objects</span>
</dt>
<dt>
-<span class="refentrytitle"><a href="harfbuzz-hb-font.html">hb-font</a></span><span class="refpurpose"></span>
+<span class="refentrytitle"><a href="harfbuzz-hb-map.html">hb-map</a></span><span class="refpurpose"> — Object representing integer to integer mapping</span>
</dt>
<dt>
-<span class="refentrytitle"><a href="harfbuzz-Shaping.html">Shaping</a></span><span class="refpurpose"> — Conversion of text strings into positioned glyphs</span>
+<span class="refentrytitle"><a href="harfbuzz-hb-set.html">hb-set</a></span><span class="refpurpose"> — Object representing a set of integers</span>
</dt>
<dt>
-<span class="refentrytitle"><a href="harfbuzz-hb-version.html">hb-version</a></span><span class="refpurpose"></span>
+<span class="refentrytitle"><a href="harfbuzz-hb-shape-plan.html">hb-shape-plan</a></span><span class="refpurpose"> — Object representing a shaping plan</span>
</dt>
<dt>
-<span class="refentrytitle"><a href="harfbuzz-hb-deprecated.html">hb-deprecated</a></span><span class="refpurpose"></span>
+<span class="refentrytitle"><a href="harfbuzz-hb-shape.html">hb-shape</a></span><span class="refpurpose"> — Conversion of text strings into positioned glyphs</span>
</dt>
<dt>
-<span class="refentrytitle"><a href="harfbuzz-hb-set.html">hb-set</a></span><span class="refpurpose"></span>
+<span class="refentrytitle"><a href="harfbuzz-hb-unicode.html">hb-unicode</a></span><span class="refpurpose"> — Unicode character property access</span>
</dt>
<dt>
-<span class="refentrytitle"><a href="harfbuzz-hb-ot.html">hb-ot</a></span><span class="refpurpose"></span>
+<span class="refentrytitle"><a href="harfbuzz-hb-version.html">hb-version</a></span><span class="refpurpose"> — Information about the version of HarfBuzz in use</span>
</dt>
+</dl></dd>
+<dt><span class="chapter"><a href="ch10.html">OpenType API</a></span></dt>
+<dd><dl>
<dt>
-<span class="refentrytitle"><a href="harfbuzz-hb-ot-layout.html">hb-ot-layout</a></span><span class="refpurpose"></span>
+<span class="refentrytitle"><a href="harfbuzz-hb-ot-color.html">hb-ot-color</a></span><span class="refpurpose"> — OpenType Color Fonts</span>
</dt>
<dt>
-<span class="refentrytitle"><a href="harfbuzz-hb-ot-tag.html">hb-ot-tag</a></span><span class="refpurpose"></span>
+<span class="refentrytitle"><a href="harfbuzz-hb-ot-font.html">hb-ot-font</a></span><span class="refpurpose"> — OpenType font implementation</span>
</dt>
<dt>
-<span class="refentrytitle"><a href="harfbuzz-hb-ot-font.html">hb-ot-font</a></span><span class="refpurpose"></span>
+<span class="refentrytitle"><a href="harfbuzz-hb-ot-layout.html">hb-ot-layout</a></span><span class="refpurpose"> — OpenType Layout</span>
</dt>
<dt>
-<span class="refentrytitle"><a href="harfbuzz-hb-ot-shape.html">hb-ot-shape</a></span><span class="refpurpose"></span>
+<span class="refentrytitle"><a href="harfbuzz-hb-ot-math.html">hb-ot-math</a></span><span class="refpurpose"> — OpenType Math information</span>
</dt>
<dt>
-<span class="refentrytitle"><a href="harfbuzz-hb-ot-math.html">hb-ot-math</a></span><span class="refpurpose"></span>
+<span class="refentrytitle"><a href="harfbuzz-hb-ot-name.html">hb-ot-name</a></span><span class="refpurpose"> — OpenType font name information</span>
</dt>
<dt>
-<span class="refentrytitle"><a href="harfbuzz-hb-shape-plan.html">hb-shape-plan</a></span><span class="refpurpose"></span>
+<span class="refentrytitle"><a href="harfbuzz-hb-ot-shape.html">hb-ot-shape</a></span><span class="refpurpose"> — OpenType shaping support</span>
</dt>
<dt>
-<span class="refentrytitle"><a href="harfbuzz-hb-glib.html">hb-glib</a></span><span class="refpurpose"></span>
+<span class="refentrytitle"><a href="harfbuzz-hb-ot-var.html">hb-ot-var</a></span><span class="refpurpose"> — OpenType Font Variations</span>
</dt>
+</dl></dd>
+<dt><span class="chapter"><a href="ch11.html">Apple Advanced Typography API</a></span></dt>
+<dd><dl><dt>
+<span class="refentrytitle"><a href="harfbuzz-hb-aat-layout.html">hb-aat-layout</a></span><span class="refpurpose"> — Apple Advanced Typography Layout</span>
+</dt></dl></dd>
+<dt><span class="chapter"><a href="ch12.html">Integration API</a></span></dt>
+<dd><dl>
<dt>
-<span class="refentrytitle"><a href="harfbuzz-hb-icu.html">hb-icu</a></span><span class="refpurpose"></span>
+<span class="refentrytitle"><a href="harfbuzz-hb-coretext.html">hb-coretext</a></span><span class="refpurpose"> — CoreText integration</span>
</dt>
<dt>
-<span class="refentrytitle"><a href="harfbuzz-hb-ft.html">hb-ft</a></span><span class="refpurpose"></span>
+<span class="refentrytitle"><a href="harfbuzz-hb-ft.html">hb-ft</a></span><span class="refpurpose"> — FreeType integration</span>
</dt>
<dt>
-<span class="refentrytitle"><a href="harfbuzz-hb-graphite2.html">hb-graphite2</a></span><span class="refpurpose"></span>
+<span class="refentrytitle"><a href="harfbuzz-hb-glib.html">hb-glib</a></span><span class="refpurpose"> — GLib integration</span>
</dt>
<dt>
-<span class="refentrytitle"><a href="harfbuzz-hb-uniscribe.html">hb-uniscribe</a></span><span class="refpurpose"></span>
+<span class="refentrytitle"><a href="harfbuzz-hb-gobject.html">hb-gobject</a></span><span class="refpurpose"> — GObject integration</span>
</dt>
<dt>
-<span class="refentrytitle"><a href="harfbuzz-hb-coretext.html">hb-coretext</a></span><span class="refpurpose"></span>
+<span class="refentrytitle"><a href="harfbuzz-hb-graphite2.html">hb-graphite2</a></span><span class="refpurpose"> — Graphite2 integration</span>
</dt>
<dt>
-<span class="refentrytitle"><a href="harfbuzz-hb-gobject.html">hb-gobject</a></span><span class="refpurpose"></span>
+<span class="refentrytitle"><a href="harfbuzz-hb-icu.html">hb-icu</a></span><span class="refpurpose"> — ICU integration</span>
+</dt>
+<dt>
+<span class="refentrytitle"><a href="harfbuzz-hb-uniscribe.html">hb-uniscribe</a></span><span class="refpurpose"> — Windows integration</span>
</dt>
</dl></dd>
-<dt><span class="chapter"><a href="object-tree.html">Object Hierarchy</a></span></dt>
<dt><span class="index"><a href="api-index-full.html">API Index</a></span></dt>
-<dt><span class="index"><a href="api-index-0-9-2.html">Index of new symbols in 0.9.2</a></span></dt>
-<dt><span class="index"><a href="api-index-0-9-5.html">Index of new symbols in 0.9.5</a></span></dt>
-<dt><span class="index"><a href="api-index-0-9-7.html">Index of new symbols in 0.9.7</a></span></dt>
-<dt><span class="index"><a href="api-index-0-9-8.html">Index of new symbols in 0.9.8</a></span></dt>
-<dt><span class="index"><a href="api-index-0-9-10.html">Index of new symbols in 0.9.10</a></span></dt>
-<dt><span class="index"><a href="api-index-0-9-11.html">Index of new symbols in 0.9.11</a></span></dt>
-<dt><span class="index"><a href="api-index-0-9-20.html">Index of new symbols in 0.9.20</a></span></dt>
-<dt><span class="index"><a href="api-index-0-9-22.html">Index of new symbols in 0.9.22</a></span></dt>
-<dt><span class="index"><a href="api-index-0-9-28.html">Index of new symbols in 0.9.28</a></span></dt>
-<dt><span class="index"><a href="api-index-0-9-30.html">Index of new symbols in 0.9.30</a></span></dt>
-<dt><span class="index"><a href="api-index-0-9-31.html">Index of new symbols in 0.9.31</a></span></dt>
-<dt><span class="index"><a href="api-index-0-9-38.html">Index of new symbols in 0.9.38</a></span></dt>
-<dt><span class="index"><a href="api-index-0-9-39.html">Index of new symbols in 0.9.39</a></span></dt>
-<dt><span class="index"><a href="api-index-0-9-41.html">Index of new symbols in 0.9.41</a></span></dt>
-<dt><span class="index"><a href="api-index-0-9-42.html">Index of new symbols in 0.9.42</a></span></dt>
-<dt><span class="index"><a href="api-index-1-0-5.html">Index of new symbols in 1.0.5</a></span></dt>
-<dt><span class="index"><a href="api-index-1-1-2.html">Index of new symbols in 1.1.2</a></span></dt>
-<dt><span class="index"><a href="api-index-1-1-3.html">Index of new symbols in 1.1.3</a></span></dt>
-<dt><span class="index"><a href="api-index-1-2-3.html">Index of new symbols in 1.2.3</a></span></dt>
-<dt><span class="index"><a href="api-index-1-3-3.html">Index of new symbols in 1.3.3</a></span></dt>
-<dt><span class="index"><a href="api-index-1-4-2.html">Index of new symbols in 1.4.2</a></span></dt>
-<dt><span class="index"><a href="api-index-1-4-3.html">Index of new symbols in 1.4.3</a></span></dt>
-<dt><span class="index"><a href="api-index-1-5-0.html">Index of new symbols in 1.5.0</a></span></dt>
-<dt><span class="index"><a href="api-index-1-6-0.html">Index of new symbols in 1.6.0</a></span></dt>
<dt><span class="index"><a href="deprecated-api-index.html">Index of deprecated API</a></span></dt>
+<dt><span class="index"><a href="api-index-2-1-0.html">Index of new symbols in 2.1.0</a></span></dt>
+<dt><span class="index"><a href="api-index-2-0-0.html">Index of new symbols in 2.0.0</a></span></dt>
+<dt><span class="index"><a href="api-index-1-9-0.html">Index of new symbols in 1.9.0</a></span></dt>
+<dt><span class="index"><a href="api-index-1-8-6.html">Index of new symbols in 1.8.6</a></span></dt>
+<dt><span class="index"><a href="api-index-1-8-5.html">Index of new symbols in 1.8.5</a></span></dt>
+<dt><span class="index"><a href="api-index-1-8-1.html">Index of new symbols in 1.8.1</a></span></dt>
+<dt><span class="index"><a href="api-index-1-8-0.html">Index of new symbols in 1.8.0</a></span></dt>
+<dt><span class="index"><a href="api-index-1-7-7.html">Index of new symbols in 1.7.7</a></span></dt>
+<dt><span class="index"><a href="api-index-1-7-5.html">Index of new symbols in 1.7.5</a></span></dt>
+<dt><span class="index"><a href="api-index-1-6-0.html">Index of new symbols in 1.6.0</a></span></dt>
+<dt><span class="index"><a href="api-index-1-5-0.html">Index of new symbols in 1.5.0</a></span></dt>
+<dt><span class="index"><a href="api-index-1-4-3.html">Index of new symbols in 1.4.3</a></span></dt>
+<dt><span class="index"><a href="api-index-1-4-2.html">Index of new symbols in 1.4.2</a></span></dt>
+<dt><span class="index"><a href="api-index-1-4-0.html">Index of new symbols in 1.4.0</a></span></dt>
+<dt><span class="index"><a href="api-index-1-3-3.html">Index of new symbols in 1.3.3</a></span></dt>
+<dt><span class="index"><a href="api-index-1-2-3.html">Index of new symbols in 1.2.3</a></span></dt>
+<dt><span class="index"><a href="api-index-1-1-3.html">Index of new symbols in 1.1.3</a></span></dt>
+<dt><span class="index"><a href="api-index-1-1-2.html">Index of new symbols in 1.1.2</a></span></dt>
+<dt><span class="index"><a href="api-index-1-0-5.html">Index of new symbols in 1.0.5</a></span></dt>
+<dt><span class="index"><a href="api-index-0-9-42.html">Index of new symbols in 0.9.42</a></span></dt>
+<dt><span class="index"><a href="api-index-0-9-41.html">Index of new symbols in 0.9.41</a></span></dt>
+<dt><span class="index"><a href="api-index-0-9-39.html">Index of new symbols in 0.9.39</a></span></dt>
+<dt><span class="index"><a href="api-index-0-9-38.html">Index of new symbols in 0.9.38</a></span></dt>
+<dt><span class="index"><a href="api-index-0-9-31.html">Index of new symbols in 0.9.31</a></span></dt>
+<dt><span class="index"><a href="api-index-0-9-30.html">Index of new symbols in 0.9.30</a></span></dt>
+<dt><span class="index"><a href="api-index-0-9-28.html">Index of new symbols in 0.9.28</a></span></dt>
+<dt><span class="index"><a href="api-index-0-9-22.html">Index of new symbols in 0.9.22</a></span></dt>
+<dt><span class="index"><a href="api-index-0-9-20.html">Index of new symbols in 0.9.20</a></span></dt>
+<dt><span class="index"><a href="api-index-0-9-11.html">Index of new symbols in 0.9.11</a></span></dt>
+<dt><span class="index"><a href="api-index-0-9-10.html">Index of new symbols in 0.9.10</a></span></dt>
+<dt><span class="index"><a href="api-index-0-9-8.html">Index of new symbols in 0.9.8</a></span></dt>
+<dt><span class="index"><a href="api-index-0-9-7.html">Index of new symbols in 0.9.7</a></span></dt>
+<dt><span class="index"><a href="api-index-0-9-5.html">Index of new symbols in 0.9.5</a></span></dt>
+<dt><span class="index"><a href="api-index-0-9-2.html">Index of new symbols in 0.9.2</a></span></dt>
<dt><span class="glossary"><a href="annotation-glossary.html">Annotation Glossary</a></span></dt>
</dl>
</div>
+<div class="note">
+<p>
+ The current HarfBuzz codebase is versioned 2.x.x and is stable
+ and under active maintenance. This is what is used in latest
+ versions of Firefox, GNOME, ChromeOS, Chrome, LibreOffice,
+ XeTeX, Android, and KDE, among other places.
+ </p>
+<p>
+ Prior to 2012, the original HarfBuzz codebase (which, these
+ days, is referred to as <span class="emphasis"><em>harfbuzz-old</em></span>) was
+ derived from code in <a class="ulink" href="http://freetype.org/" target="_top">FreeType</a>, <a class="ulink" href="http://pango.org/" target="_top">Pango</a>, and
+ <a class="ulink" href="http://qt-project.org/" target="_top">Qt</a>.
+ It is <span class="emphasis"><em>not</em></span> actively developed or
+ maintained, and is extremely buggy. All users of harfbuzz-old
+ are encouraged to switch over to the new HarfBuzz as soon as possible.
+ </p>
+<p>
+ To make this distinction clearer in discussions, the current
+ HarfBuzz codebase is sometimes referred to as
+ <span class="emphasis"><em>harfbuzz-ng</em></span>.
+ </p>
+<p>
+ For reference purposes, the harfbuzz-old source tree is archived
+ <a class="ulink" href="http://cgit.freedesktop.org/harfbuzz.old/" target="_top">here</a>. There
+ are no release tarballs of harfbuzz-old whatsoever.
+ </p>
+</div>
</div>
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-<hr>Generated by GTK-Doc V1.27.1</div>
+<hr>Generated by GTK-Doc V1.25</div>
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