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[ft-announce] ttfautohint 1.00rc1 has been released

From: Werner LEMBERG
Subject: [ft-announce] ttfautohint 1.00rc1 has been released
Date: Tue, 11 Feb 2014 08:58:02 +0100 (CET)

A first release candidate of ttfautohint 1.00 has been released.

The source tarball, statically-linked binaries for Win32 (TTY and GUI) and
OS X (TTY only) are available from


Instructions to build the GUI version on OS X can be found at



PS: Downloads from will redirect to your nearest
    mirror site.  Files on mirrors may be subject to a replication
    delay of up to 24 hours.  In case of problems use


This project provides a library which takes a TrueType font as the input,
remove its bytecode instructions (if any), and return a new font where all
glyphs are bytecode hinted using the information given by FreeType's
autohinting module.  The idea is to provide the excellent quality of the
autohinter on platforms which don't use FreeType.

The library has a single API function, `TTF_autohint'; see
`lib/ttfautohint.h' for a detailed description.  Note that the library
itself won't get installed currently.

A command-line interface to the library is the `ttfautohint' program; after
compilation and installation, say

  ttfautohint --help

for usage information, or say

  man ttfautohint

to read its manual page.

A GUI to the library is `ttfautohintGUI'; it uses the Qt4 framework.  The
compilation of this application can be disabled with the `--without-qt'
configuration option.


New in 1.00rc1:

* OpenType feature support.  ttfautohint now uses the HarfBuzz library to
  analyze data from the `GSUB' table.  This allows the hinting of glyphs
  that don't have an entry in a font's `cmap' table, for example
  superscripts or small caps.

  Related to this, the new option `--default-script' controls the default
  (fallback) script used for OpenType features.

* More than a single standard character is used.  For example, the `latin'
  script uses characters `o', `O', and digit `0'.  This improves the hinting
  of fonts (and features) that have only a partial coverage of a script's
  character repertoire.

* Much better GDI ClearType hinting in the range 30-80ppem (approx.),
  avoiding overly flat tops and bottoms of round glyphs.

* Better handling of non-square pixels (this is, horizontal and vertical
  resolutions differ) in the created TrueType bytecode.

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