User manual
9
CAUSED BY THE USE OR THE INABILITY TO USE, OF THE 
FREETYPE PROJECT.
2. Redistribution
-------------------
This license grants a worldwide, royalty-free, perpetual and 
irrevocable right and license to use, execute, perform, compile, 
display, copy, create derivative works of, distribute and sublicense 
the FreeType Project (in both source and object code forms) and 
derivative works thereof for any purpose; and to authorize others 
to exercise some or all of the rights granted herein, subject to the 
following conditions:
…
o  Redistribution in binary form must provide a disclaimer that 
states that the software is based in part of the work of the 
FreeType Team, in the distribution documentation. We also 
encourage you to put an URL to the FreeType web page in 
your documentation, though this isn’t mandatory.
… 
8. Expat
Copyright (c) 1998, 1999, 2000 Thai Open Source Software Center 
Ltd and Clark Cooper
Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006 Expat maintainers.
Permission is hereby granted, free of charge, to any person obtaining 
a copy of this software and associated documentation les (the 
“Software”), to deal in the Software without restriction, including 
without limitation the rights to use, copy, modify, merge, publish, 
distribute, sublicense, and/or sell copies of the Software, and to permit 
persons to whom the Software is furnished to do so, subject to the 
following conditions:
The above copyright notice and this permission notice shall be 
included in all copies or substantial portions of the Software. 
THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY 
OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT 
LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS 
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 
OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 
THE SOFTWARE.
9. libpng
This copy of the libpng notices is provided for your convenience. In 
case of any discrepancy between this copy and the notices in the le 
png.h that is included in the libpng distribution, the latter shall prevail.
COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
If you modify libpng you may insert additional notices immediately 
following this sentence.
This code is released under the libpng license.
libpng versions 1.2.6, August 15, 2004, through 1.2.35, February 14, 
2009, are Copyright (c) 2004, 2006-2009 Glenn Randers-Pehrson, 
and are distributed according to the same disclaimer and license 
as libpng-1.2.5 with the following individual added to the list of 
Contributing Authors
Cosmin Truta
libpng versions 1.0.7, July 1, 2000, through 1.2.5 - October 3, 2002, are
Copyright (c) 2000-2002 Glenn Randers-Pehrson, and are distributed 
according to the same disclaimer and license as libpng-1.0.6 with the 
following individuals added to the list of Contributing Authors
Simon-Pierre Cadieux
Eric S. Raymond
Gilles Vollant
and with the following additions to the disclaimer:
There is no warranty against interference with your enjoyment of the 
library or against infringement. There is no warranty that our efforts 
or the library will fulll any of your particular purposes or needs. This 
library is provided with all faults, and the entire risk of satisfactory 
quality, performance, accuracy, and effort is with the user.
libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are 
Copyright (c) 1998, 1999 Glenn Randers-Pehrson, and are distributed 
according to the same disclaimer and license as libpng-0.96, with the 
following individuals added to the list of Contributing Authors:
Tom Lane
Glenn Randers-Pehrson
Willem van Schaik
libpng versions 0.89, June 1996, through 0.96, May 1997, are Copyright 
(c) 1996, 1997 Andreas Dilger
Distributed according to the same disclaimer and license as 
libpng-0.88, with the following individuals added to the list of 
Contributing Authors:
John Bowler
Kevin Bracey
Sam Bushell
Magnus Holmgren
Greg Roelofs
Tom Tanner
libpng versions 0.5, May 1995, through 0.88, January 1996, are 
Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
For the purposes of this copyright and license, “Contributing Authors” 
is dened as the following set of individuals:
Andreas Dilger
Dave Martindale
Guy Eric Schalnat
Paul Schmidt
Tim Wegner
The PNG Reference Library is supplied “AS IS”. The Contributing 
Authors and Group 42, Inc. disclaim all warranties, expressed or 
implied, including, without limitation, the warranties of merchantability 
and of tness for any purpose. The Contributing Authors and Group 
42, Inc. assume no liability for direct, indirect, incidental, special, 
exemplary, or consequential damages, which may result from the use 
of the PNG Reference Library, even if advised of the possibility of 
such damage.
Permission is hereby granted to use, copy, modify, and distribute this 
source code, or portions hereof, for any purpose, without fee, subject 
to the following restrictions:
1. The origin of this source code must not be misrepresented.
2. Altered versions must be plainly marked as such and must not be 
misrepresented as being the original source.
3. This Copyright notice may not be removed or altered from any 
source or altered source distribution.
The Contributing Authors and Group 42, Inc. specically permit, 
without fee, and encourage the use of this source code as a 
component to supporting the PNG le format in commercial 
products. If you use this source code in a product, acknowledgment is 
not required but would be appreciated.
A “png_get_copyright” function is available, for convenient use in 
“about” boxes and the like:
printf(“%s”,png_get_copyright(NULL));
Also, the PNG logo (in PNG format, of course) is supplied in the les 
“pngbar.png” and “pngbar.jpg (88x31) and “pngnow.png” (98x31).
Libpng is OSI Certied Open Source Software. OSI Certied Open 
Source is a certication mark of the Open Source Initiative.
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