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Latest revision as of 13:48, 12 April 2011


The OpenGL/FreeType2 Text Rendering Library (OGLFT) supplies an interface between a font and an OpenGL or Mesa application.It uses the FreeType library to read font faces from their files and renders text strings as OpenGL primitives. Characters can be rendered in a variety of ways, including as raster images, as tessellated polygons and as texture maps. Glyphs can be drawn individually or as a string, and can be rendered using UNICODE characters via the QString class (with Qt support). You can also combine several fonts together in one OGLFT Face to increase the coverage of UNICODE points or for other special effects. Strings can be rotated through any angle, and drawn right, centered or left justified. Additionally each character in a string can be rotated through a given angle.


User tutorial available in HTML format from


Download version 0.8 (beta)
released on 12 July 2002

Paid support and consulting available from lignum Computing, Inc. (


Related Projects


LicenseVerified byVerified onNotes
LGPLJanet Casey12 July 2002

Leaders and contributors

Allen Barnett Maintainer

Resources and communication

Audience Resource type URI
Developer Mailing List Info/Archive

Software prerequisites

Kind Description
Weak prerequisite Qt library (for rendering UNICODE characters)
Weak prerequisite GLE library (for rendering solid characters)
Required to use Open GL
Required to use Mesa
Required to build SGI GLU sample implementation (version 1.3)

This entry (in part or in whole) was last reviewed on 1 March 2004.


Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the page “GNU Free Documentation License”.

The copyright and license notices on this page only apply to the text on this page. Any software or copyright-licenses or other similar notices described in this text has its own copyright notice and license, which can usually be found in the distribution or license text itself.

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