See the License for the specific language governing permissions
and limitations under the License.
_____________________________
This copy of the libpng notices is provided for your convenience.
In case of any discrepancy between this copy and the notices in
the file 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 1.4.1, February
25, 2010, are Copyright (c) 2004, 2006-2007 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 fulfill 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 defined 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 fitness 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. specifically permit,
without fee, and encourage the use of this source code as a
component to supporting the PNG file 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 files "pngbar.png.jpg" and "pngbar.jpg (88x31) and
"pngnow.png.jpg" (98x31).
Libpng is OSI Certified Open Source Software. OSI Certified
Open Source is a certification mark of the Open Source
Initiative.
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
February 25, 2010
_____________________________
This software is based in part on the work of the FreeType
Team.
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The FreeType Project LICENSE
100