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[ft-devel] ttfautohint 0.91 has been released

From: Werner LEMBERG
Subject: [ft-devel] ttfautohint 0.91 has been released
Date: Thu, 12 Jul 2012 23:17:27 +0200 (CEST)

ttfautohint 0.91 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 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 0.91:

* A new, `strong' routine to handle stem widths and positions has been
  added, to be selected with the `--strong-stem-width' command line option.
  If it is active, stem widths and positions are snapped to the grid as much
  as possible.  This algorithm is useful for GDI ClearType support.

* A new command line option `--debug' (not available for ttfautohintGUI) to
  print very detailed debugging information.

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