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J. Duke319a3b92007-12-01 00:00:00 +00001
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
11libpng versions 1.2.6, August 15, 2004, through 1.2.18, May 15, 2007, are
12Copyright (c) 2004, 2006-2007 Glenn Randers-Pehrson, and are
13distributed according to the same disclaimer and license as libpng-1.2.5
14with the following individual added to the list of Contributing Authors
15
16 Cosmin Truta
17
18libpng versions 1.0.7, July 1, 2000, through 1.2.5 - October 3, 2002, are
19Copyright (c) 2000-2002 Glenn Randers-Pehrson, and are
20distributed according to the same disclaimer and license as libpng-1.0.6
21with the following individuals added to the list of Contributing Authors
22
23 Simon-Pierre Cadieux
24 Eric S. Raymond
25 Gilles Vollant
26
27and with the following additions to the disclaimer:
28
29 There is no warranty against interference with your enjoyment of the
30 library or against infringement. There is no warranty that our
31 efforts or the library will fulfill any of your particular purposes
32 or needs. This library is provided with all faults, and the entire
33 risk of satisfactory quality, performance, accuracy, and effort is with
34 the user.
35
36libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are
37Copyright (c) 1998, 1999 Glenn Randers-Pehrson, and are
38distributed according to the same disclaimer and license as libpng-0.96,
39with the following individuals added to the list of Contributing Authors:
40
41 Tom Lane
42 Glenn Randers-Pehrson
43 Willem van Schaik
44
45libpng versions 0.89, June 1996, through 0.96, May 1997, are
46Copyright (c) 1996, 1997 Andreas Dilger
47Distributed according to the same disclaimer and license as libpng-0.88,
48with the following individuals added to the list of Contributing Authors:
49
50 John Bowler
51 Kevin Bracey
52 Sam Bushell
53 Magnus Holmgren
54 Greg Roelofs
55 Tom Tanner
56
57libpng versions 0.5, May 1995, through 0.88, January 1996, are
58Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
59
60For the purposes of this copyright and license, "Contributing Authors"
61is defined as the following set of individuals:
62
63 Andreas Dilger
64 Dave Martindale
65 Guy Eric Schalnat
66 Paul Schmidt
67 Tim Wegner
68
69The PNG Reference Library is supplied "AS IS". The Contributing Authors
70and Group 42, Inc. disclaim all warranties, expressed or implied,
71including, without limitation, the warranties of merchantability and of
72fitness for any purpose. The Contributing Authors and Group 42, Inc.
73assume no liability for direct, indirect, incidental, special, exemplary,
74or consequential damages, which may result from the use of the PNG
75Reference Library, even if advised of the possibility of such damage.
76
77Permission is hereby granted to use, copy, modify, and distribute this
78source code, or portions hereof, for any purpose, without fee, subject
79to the following restrictions:
80
811. The origin of this source code must not be misrepresented.
82
832. Altered versions must be plainly marked as such and must not
84 be misrepresented as being the original source.
85
863. This Copyright notice may not be removed or altered from any
87 source or altered source distribution.
88
89The Contributing Authors and Group 42, Inc. specifically permit, without
90fee, and encourage the use of this source code as a component to
91supporting the PNG file format in commercial products. If you use this
92source code in a product, acknowledgment is not required but would be
93appreciated.
94
95
96A "png_get_copyright" function is available, for convenient use in "about"
97boxes and the like:
98
99 printf("%s",png_get_copyright(NULL));
100
101Also, the PNG logo (in PNG format, of course) is supplied in the
102files "pngbar.png" and "pngbar.jpg (88x31) and "pngnow.png" (98x31).
103
104Libpng is OSI Certified Open Source Software. OSI Certified Open Source is a
105certification mark of the Open Source Initiative.
106
107Glenn Randers-Pehrson
108glennrp at users.sourceforge.net
109May 15, 2007