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[ft-announce] ttfautohint 0.94 has been released

From: Werner LEMBERG
Subject: [ft-announce] ttfautohint 0.94 has been released
Date: Thu, 29 Nov 2012 13:11:40 +0100 (CET)

ttfautohint 0.94 has been released.

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




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

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 0.94:

* New option `--windows-compatibility' which adds two artificial blue zones
  at vertical positions given by `usWinAscent' and `usWinDescent'.  This
  helps ttfautohint's hinting algorithm reduce the possibility of clipping
  if those two values are very tight.

* Implement option `--x-height-snapping-exceptions', making ttfautohint
  avoid x-height snapping for selected PPEM values.  Useful in combination
  with `--windows-compatibility'.

* Minor fixes to the created bytecode for compatibility and robustness.

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