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Chapter 12: Appendix
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 ,
and are 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.
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
December 3, 2009
The zlib License
zlib.h -- interface of the “zlib” general purpose
compression library
Version 1.2.3, July 18th, 2005
Copyright (C) 1995-2005 Jean-loup Gailly and Mark
Adler
This software is provided “as-is”, without any express
or implied warranty. In no event will the authors be
held liable for any damages arising from the use of this
software.
Permission is granted to anyone to use this software for
any purpose, including commercial applications, and to
alter it and redistribute it freely, subject to the following
restrictions:
1. The origin of this software must not be
misrepresented; you must not claim that you wrote
the original software. If you use this software in
a product, an acknowledgment in the product
documentation would be appreciated but is not
required.
2. Altered source versions must be plainly marked as
such, and must not be misrepresented as being the
original software.
3. This notice may not be removed or altered from any
source distribution.
Jean-loup Gailly jloup@gzip.org
Mark Adler madler@alumni.caltech.edu