Credits and license terms:

In order to resolve any possible confusion regarding the authorship of
gd, the following copyright statement covers all of the authors who
have required such a statement. If you are aware of any oversights in
this copyright notice, please contact Pierre-A. Joye who will be
pleased to correct them.

* Portions copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
  2002, 2003, 2004 by Cold Spring Harbor Laboratory. Funded under
  Grant P41-RR02188 by the National Institutes of Health.

* Portions copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
  2004 by Boutell.Com, Inc.

* Portions relating to GD2 format copyright 1999, 2000, 2001, 2002,
  2003, 2004 Philip Warner.

* Portions relating to PNG copyright 1999, 2000, 2001, 2002, 2003,
  2004 Greg Roelofs.

* Portions relating to gdttf.c copyright 1999, 2000, 2001, 2002,
  2003, 2004 John Ellson (ellson@graphviz.org).

* Portions relating to gdft.c copyright 2001, 2002, 2003, 2004 John
  Ellson (ellson@graphviz.org).

* Portions copyright 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
  Pierre-Alain Joye (pierre@libgd.org).

* Portions relating to JPEG and to color quantization copyright
  2000, 2001, 2002, 2003, 2004, Doug Becker and copyright (C) 1994,
  1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004 Thomas
  G. Lane. This software is based in part on the work of the
  Independent JPEG Group. See the file README-JPEG.TXT for more
  information.

* Portions relating to GIF compression copyright 1989 by Jef
  Poskanzer and David Rowley, with modifications for thread safety
  by Thomas Boutell.

* Portions relating to GIF decompression copyright 1990, 1991, 1993
  by David Koblas, with modifications for thread safety by Thomas
  Boutell.

* Portions relating to WBMP copyright 2000, 2001, 2002, 2003, 2004
  Maurice Szmurlo and Johan Van den Brande.

* Portions relating to GIF animations copyright 2004 Jaakko Hyvätti
  (jaakko.hyvatti@iki.fi)

Permission has been granted to copy, distribute and modify gd in
any context without fee, including a commercial application,
provided that this notice is present in user-accessible supporting
documentation.

This does not affect your ownership of the derived work itself,
and the intent is to assure proper credit for the authors of gd,
not to interfere with your productive use of gd. If you have
questions, ask. "Derived works" includes all programs that utilize
the library. Credit must be given in user-accessible
documentation.

This software is provided "AS IS." The copyright holders disclaim
all warranties, either express or implied, including but not
limited to implied warranties of merchantability and fitness for a
particular purpose, with respect to this code and accompanying
documentation.

Although their code does not appear in the current release, the
authors wish to thank David Koblas, David Rowley, and Hutchison
Avenue Software Corporation for their prior contributions.