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1
2This copy of the libpng notices is provided for your convenience. In case of
3any discrepancy between this copy and the notices in the file png.h that is
4included in the libpng distribution, the latter shall prevail.
5
6COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
7
8If you modify libpng you may insert additional notices immediately following
9this sentence.
10
11This code is released under the libpng license.
12
13libpng versions 1.2.6, August 15, 2004, through 1.4.5, December 9, 2010, are
14Copyright (c) 2004, 2006-2010 Glenn Randers-Pehrson, and are
15distributed according to the same disclaimer and license as libpng-1.2.5
16with the following individual added to the list of Contributing Authors
17
18Cosmin Truta
19
20libpng versions 1.0.7, July 1, 2000, through 1.2.5 - October 3, 2002, are
21Copyright (c) 2000-2002 Glenn Randers-Pehrson, and are
22distributed according to the same disclaimer and license as libpng-1.0.6
23with the following individuals added to the list of Contributing Authors
24
25Simon-Pierre Cadieux
26Eric S. Raymond
27Gilles Vollant
28
29and with the following additions to the disclaimer:
30
31There is no warranty against interference with your enjoyment of the
32library or against infringement. There is no warranty that our
33efforts or the library will fulfill any of your particular purposes
34or needs. This library is provided with all faults, and the entire
35risk of satisfactory quality, performance, accuracy, and effort is with
36the user.
37
38libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are
39Copyright (c) 1998, 1999 Glenn Randers-Pehrson, and are
40distributed according to the same disclaimer and license as libpng-0.96,
41with the following individuals added to the list of Contributing Authors:
42
43Tom Lane
44Glenn Randers-Pehrson
45Willem van Schaik
46
47libpng versions 0.89, June 1996, through 0.96, May 1997, are
48Copyright (c) 1996, 1997 Andreas Dilger
49Distributed according to the same disclaimer and license as libpng-0.88,
50with the following individuals added to the list of Contributing Authors:
51
52John Bowler
53Kevin Bracey
54Sam Bushell
55Magnus Holmgren
56Greg Roelofs
57Tom Tanner
58
59libpng versions 0.5, May 1995, through 0.88, January 1996, are
60Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
61
62For the purposes of this copyright and license, "Contributing
63Authors"
64is defined as the following set of individuals:
65
66Andreas Dilger
67Dave Martindale
68Guy Eric Schalnat
69Paul Schmidt
70Tim Wegner
71
72The PNG Reference Library is supplied "AS IS". The Contributing
73Authors
74and Group 42, Inc. disclaim all warranties, expressed or implied,
75including, without limitation, the warranties of merchantability and of
76fitness for any purpose. The Contributing Authors and Group 42, Inc.
77assume no liability for direct, indirect, incidental, special, exemplary,
78or consequential damages, which may result from the use of the PNG
79Reference Library, even if advised of the possibility of such damage.
80
81Permission is hereby granted to use, copy, modify, and distribute this
82source code, or portions hereof, for any purpose, without fee, subject
83to the following restrictions:
84
851. The origin of this source code must not be misrepresented.
86
872. Altered versions must be plainly marked as such and must not
88be misrepresented as being the original source.
89
903. This Copyright notice may not be removed or altered from any
91source or altered source distribution.
92
93The Contributing Authors and Group 42, Inc. specifically permit, without
94fee, and encourage the use of this source code as a component to
95supporting the PNG file format in commercial products. If you use this
96source code in a product, acknowledgment is not required but would be
97appreciated.
98
99
100A "png_get_copyright" function is available, for convenient use in
101"about"
102boxes and the like:
103
104printf("%s",png_get_copyright(NULL));
105
106Also, the PNG logo (in PNG format, of course) is supplied in the
107files "pngbar.png" and "pngbar.jpg (88x31) and
108"pngnow.png" (98x31).
109
110Libpng is OSI Certified Open Source Software. OSI Certified Open Source is a
111certification mark of the Open Source Initiative.
112
113Glenn Randers-Pehrson
114glennrp at users.sourceforge.net
115December 9, 2010
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