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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>UCDN: 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="utilities.html" title="Utilities"> <link rel="prev" href="utilities-common-types-apis.html" title="Common data types and APIs"> <link rel="next" href="integration.html" title="Platform Integration Guide"> <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"></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="utilities.html"><img src="up.png" width="16" height="16" border="0" alt="Up"></a></td> <td><a accesskey="p" href="utilities-common-types-apis.html"><img src="left.png" width="16" height="16" border="0" alt="Prev"></a></td> <td><a accesskey="n" href="integration.html"><img src="right.png" width="16" height="16" border="0" alt="Next"></a></td> </tr></table> <div class="section"> <div class="titlepage"><div><div><h2 class="title" style="clear: both"> <a name="utilities-ucdn"></a>UCDN</h2></div></div></div> <p> HarfBuzz includes a copy of the <a class="ulink" href="https://github.com/grigorig/ucdn" target="_top">UCDN</a> (Unicode Database and Normalization) library, which provides functions for accessing basic Unicode character properties, performing canonical composition, and performing both canonical and compatibility decomposition. </p> <p> Currently, UCDN supports direct queries for several more character properties than HarfBuzz's built-in set of Unicode functions does, such as the BiDirectional Class, East Asian Width, Paired Bracket and Resolved Linebreak properties. If you need to access more properties than HarfBuzz's internal implementation provides, using the built-in UCDN functions may be a useful solution. </p> <p> The built-in UCDN functions are compiled by default when building HarfBuzz from source, but this can be disabled with a compile-time switch. </p> </div> <div class="footer"> <hr>Generated by GTK-Doc V1.32</div> </body> </html>
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HarfBuzz.png
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HarfBuzz.svg
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a-clustering-example-for-levels-0-and-1.html
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aat-shaping.html
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adding-text-to-the-buffer.html
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annotation-glossary.html
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api-index-0-9-10.html
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buffers-language-script-and-direction.html
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building.html
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clusters.html
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complex-scripts.html
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customizing-unicode-functions.html
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fonts-and-faces-custom-functions.html
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getting-started.html
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graphite-shaping.html
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install-harfbuzz.html
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integration-coretext.html
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integration-icu.html
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integration.html
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level-2.html
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opentype-shaping-models.html
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reordering-in-levels-0-and-1.html
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setting-buffer-properties.html
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shaping-and-shape-plans.html
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shaping-concepts.html
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shaping-opentype-features.html
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shaping-operations.html
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shaping-plans-and-caching.html
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shaping-shaper-selection.html
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style.css
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text-runs.html
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the-distinction-between-levels-0-and-1.html
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unicode-character-categories.html
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utilities-common-types-apis.html
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utilities.html
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what-harfbuzz-doesnt-do.html
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what-is-harfbuzz.html
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why-do-i-need-a-shaping-engine.html
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why-is-it-called-harfbuzz.html
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working-with-harfbuzz-clusters.html
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