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Part II. Reference manual

This document is for HarfBuzz 2.6.3 .

Table of Contents

Core API
hb-blob — Binary data containers
hb-buffer — Input and output buffers
hb-common — Common data types
hb-deprecated — Deprecated API
hb-face — Font face objects
hb-font — Font objects
hb-map — Object representing integer to integer mapping
hb-set — Object representing a set of integers
hb-shape-plan — Object representing a shaping plan
hb-shape — Conversion of text strings into positioned glyphs
hb-unicode — Unicode character property access
hb-version — Information about the version of HarfBuzz in use
OpenType API
hb-ot-color — OpenType Color Fonts
hb-ot-font — OpenType font implementation
hb-ot-layout — OpenType Layout
hb-ot-math — OpenType Math information
hb-ot-name — OpenType font name information
hb-ot-shape — OpenType shaping support
hb-ot-var — OpenType Font Variations
Apple Advanced Typography API
hb-aat-layout — Apple Advanced Typography Layout
Integration API
hb-coretext — CoreText integration
hb-ft — FreeType integration
hb-glib — GLib integration
hb-gobject — GObject integration
hb-graphite2 — Graphite2 integration
hb-icu — ICU integration
hb-uniscribe — Windows integration
API Index
Annotation Glossary

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.

Prior to 2012, the original HarfBuzz codebase (which, these days, is referred to as harfbuzz-old) was derived from code in FreeType, Pango, and Qt. It is not 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.

To make this distinction clearer in discussions, the current HarfBuzz codebase is sometimes referred to as harfbuzz-ng.

For reference purposes, the harfbuzz-old source tree is archived here. There are no release tarballs of harfbuzz-old whatsoever.

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