![](//d33sqmjvzgs8hq.cloudfront.net/wp-
content/themes/oneqt/assets/images/cookie_small.png)

We bake cookies in your browser for a better experience. Using this site means
that you consent. [Read More](//qt.io/terms-conditions/)

Menu

  * [ Partners ](//qt.io/partners/)
  * [ Blog ](https://blog.qt.io/)

[ ](https://qt.io/)

  * [Download](https://qt.io/download/)
  * [Device Creation](https://www.qt.io/qt-for-device-creation/)
  * [Application Development](https://www.qt.io/application-development/)
  * [Services](https://www.qt.io/services/)
  * [Developers](https://www.qt.io/developers/)

  * [EN](https://qt.io/support/)
  * [RU](https://qt.io/ru/)
  * [ZH](https://qt.io/zh-hans/)

#

  * [Wiki](https://wiki.qt.io/)
  * [Documentation](https://doc.qt.io/)
  * [Forum](https://forum.qt.io/)
  * [Bug Reports](https://bugreports.qt.io/)
  * [Code Review](https://codereview.qt-project.org/)
  * [Resource Center](https://resources.qt.io/)
  * [Qt Extensions](https://marketplace.qt.io/)

# Qt Documentation

  * [Qt 5.12](index.html)
  * [Qt WebEngine](qtwebengine-index.html)
  * [Qt WebEngine Licensing](qtwebengine-licensing.html)
  * harfbuzz-ng

# harfbuzz-ng

[Project Homepage](http://harfbuzz.org)

    
    
    HarfBuzz is licensed under the so-called "Old MIT" license.  Details follow.
    For parts of HarfBuzz that are licensed under different licenses see individual
    files names COPYING in subdirectories where applicable.
    
    Copyright © 2010,2011,2012  Google, Inc.
    Copyright © 2012  Mozilla Foundation
    Copyright © 2011  Codethink Limited
    Copyright © 2008,2010  Nokia Corporation and/or its subsidiary(-ies)
    Copyright © 2009  Keith Stribley
    Copyright © 2009  Martin Hosken and SIL International
    Copyright © 2007  Chris Wilson
    Copyright © 2006  Behdad Esfahbod
    Copyright © 2005  David Turner
    Copyright © 2004,2007,2008,2009,2010  Red Hat, Inc.
    Copyright © 1998-2004  David Turner and Werner Lemberg
    
    For full copyright notices consult the individual files in the package.
    
    
    Permission is hereby granted, without written agreement and without
    license or royalty fees, to use, copy, modify, and distribute this
    software and its documentation for any purpose, provided that the
    above copyright notice and the following two paragraphs appear in
    all copies of this software.
    
    IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
    DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
    ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
    IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
    DAMAGE.
    
    THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
    BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
    FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
    ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
    PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.

© 2020 The Qt Company Ltd. Documentation contributions included herein are the
copyrights of their respective owners. The documentation provided herein is
licensed under the terms of the [GNU Free Documentation License version
1.3](https://www.gnu.org/licenses/fdl.html) as published by the Free Software
Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in
Finland and/or other countries worldwide. All other trademarks are property of
their respective owners.

  * [Download](https://qt.io/download/)
    * [Start for Free](https://qt.io/download/)
    * [Qt for Application Development](https://qt.io/download-eval-for-applications-step-2/)
    * [Qt for Device Creation](https://qt.io/request-eval-for-devices-step-2/)
    * [Qt Open Source](https://qt.io/download-open-source/)
    * [Terms & Conditions](https://qt.io/terms-conditions/)
    * [Licensing FAQ](https://qt.io/FAQ/)
  * [Product](https://qt.io/product/)
    * [Qt in Use](https://qt.io/product/)
    * [Qt for Application Development](https://qt.io/application-development/)
    * [Qt for Device Creation](https://qt.io/qt-for-device-creation/)
    * [Commercial Features](https://qt.io/qt-features/)
    * [Qt Creator IDE](https://qt.io/ide/)
    * [Qt Quick](https://qt.io/qt-quick/)
  * [Services](https://qt.io/services/)
    * [Technology Evaluation](https://qt.io/services-technology-evaluation/)
    * [Proof of Concept](https://qt.io/services-proof-of-concept/)
    * [Design & Implementation](https://qt.io/services-design-implementation/)
    * [Productization](https://qt.io/services-productization/)
    * [Qt Training](https://qt.io/qt-training/)
    * [Partner Network](https://qt.io/partners/)
  * [Developers](https://qt.io/developers/)
    * [Qt Extensions](https://marketplace.qt.io/)
    * [Examples & Tutorials](https://doc.qt.io/qt-5/qtexamplesandtutorials.html)
    * [Development Tools](https://doc.qt.io/qt-5/topics-app-development.html)
    * [Wiki](https://wiki.qt.io/)
    * [Forums](https://forum.qt.io/)
    * [Contribute to Qt](https://wiki.qt.io/contribute)
  * [About us](https://qt.io/about-us/)
    * [Training & Events](https://qt.io/events/)
    * [Resource Center](https://qt.io/resource-center/)
    * [News](https://qt.io/news/)
    * [Careers](https://qt.io/careers/)
    * [Locations](https://qt.io/locations/)
    * [Contact Us](https://qt.io/contact-us)

[](https://qt.io/about-us/)

  * [Sign In](https://account.qt.io/login "Sign into your account.")
  * [Feedback](mailto:feedback@theqtcompany.com?Subject=Feedback%20about%20doc.qt.io%20site)
  * [Contact us](https://qt.io/contact-us/)
  * [© 2020 The Qt Company](https://qt.io/about-us/)

