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Brad Bishop977dc1a2019-02-06 16:01:43 -05001COPYRIGHT NOTICE, DISCLAIMER, and LICENSE
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Patrick Williamsc124f4f2015-09-15 14:41:29 -05003
Brad Bishop977dc1a2019-02-06 16:01:43 -05004PNG Reference Library License version 2
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Patrick Williamsc124f4f2015-09-15 14:41:29 -05006
Brad Bishop977dc1a2019-02-06 16:01:43 -05007 * Copyright (c) 1995-2018 The PNG Reference Library Authors.
8 * Copyright (c) 2018 Cosmin Truta.
9 * Copyright (c) 2000-2002, 2004, 2006-2018 Glenn Randers-Pehrson.
10 * Copyright (c) 1996-1997 Andreas Dilger.
11 * Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
Patrick Williamsc124f4f2015-09-15 14:41:29 -050012
Brad Bishop977dc1a2019-02-06 16:01:43 -050013The software is supplied "as is", without warranty of any kind,
14express or implied, including, without limitation, the warranties
15of merchantability, fitness for a particular purpose, title, and
16non-infringement. In no even shall the Copyright owners, or
17anyone distributing the software, be liable for any damages or
18other liability, whether in contract, tort or otherwise, arising
19from, out of, or in connection with the software, or the use or
20other dealings in the software, even if advised of the possibility
21of such damage.
Patrick Williamsc124f4f2015-09-15 14:41:29 -050022
Brad Bishop977dc1a2019-02-06 16:01:43 -050023Permission is hereby granted to use, copy, modify, and distribute
24this software, or portions hereof, for any purpose, without fee,
25subject to the following restrictions:
Patrick Williamsc124f4f2015-09-15 14:41:29 -050026
Brad Bishop977dc1a2019-02-06 16:01:43 -050027 1. The origin of this software must not be misrepresented; you
28 must not claim that you wrote the original software. If you
29 use this software in a product, an acknowledgment in the product
30 documentation would be appreciated, but is not required.
Patrick Williamsc124f4f2015-09-15 14:41:29 -050031
Brad Bishop977dc1a2019-02-06 16:01:43 -050032 2. Altered source versions must be plainly marked as such, and must
33 not be misrepresented as being the original software.
Patrick Williamsc124f4f2015-09-15 14:41:29 -050034
Brad Bishop977dc1a2019-02-06 16:01:43 -050035 3. This Copyright notice may not be removed or altered from any
36 source or altered source distribution.
Patrick Williamsc124f4f2015-09-15 14:41:29 -050037
Brad Bishop977dc1a2019-02-06 16:01:43 -050038
39PNG Reference Library License version 1 (for libpng 0.5 through 1.6.35)
40-----------------------------------------------------------------------
41
42libpng versions 1.0.7, July 1, 2000 through 1.6.35, July 15, 2018 are
43Copyright (c) 2000-2002, 2004, 2006-2018 Glenn Randers-Pehrson, are
44derived from libpng-1.0.6, and are distributed according to the same
45disclaimer and license as libpng-1.0.6 with the following individuals
46added to the list of Contributing Authors:
47
48 Simon-Pierre Cadieux
49 Eric S. Raymond
50 Mans Rullgard
51 Cosmin Truta
52 Gilles Vollant
53 James Yu
54 Mandar Sahastrabuddhe
55 Google Inc.
56 Vadim Barkov
Patrick Williamsc124f4f2015-09-15 14:41:29 -050057
58and with the following additions to the disclaimer:
59
Brad Bishop977dc1a2019-02-06 16:01:43 -050060 There is no warranty against interference with your enjoyment of
61 the library or against infringement. There is no warranty that our
62 efforts or the library will fulfill any of your particular purposes
63 or needs. This library is provided with all faults, and the entire
64 risk of satisfactory quality, performance, accuracy, and effort is
65 with the user.
66
67Some files in the "contrib" directory and some configure-generated
68files that are distributed with libpng have other copyright owners, and
69are released under other open source licenses.
Patrick Williamsc124f4f2015-09-15 14:41:29 -050070
71libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are
Brad Bishop977dc1a2019-02-06 16:01:43 -050072Copyright (c) 1998-2000 Glenn Randers-Pehrson, are derived from
73libpng-0.96, and are distributed according to the same disclaimer and
74license as libpng-0.96, with the following individuals added to the
75list of Contributing Authors:
Patrick Williamsc124f4f2015-09-15 14:41:29 -050076
Brad Bishop977dc1a2019-02-06 16:01:43 -050077 Tom Lane
78 Glenn Randers-Pehrson
79 Willem van Schaik
Patrick Williamsc124f4f2015-09-15 14:41:29 -050080
81libpng versions 0.89, June 1996, through 0.96, May 1997, are
Brad Bishop977dc1a2019-02-06 16:01:43 -050082Copyright (c) 1996-1997 Andreas Dilger, are derived from libpng-0.88,
83and are distributed according to the same disclaimer and license as
84libpng-0.88, with the following individuals added to the list of
85Contributing Authors:
Patrick Williamsc124f4f2015-09-15 14:41:29 -050086
Brad Bishop977dc1a2019-02-06 16:01:43 -050087 John Bowler
88 Kevin Bracey
89 Sam Bushell
90 Magnus Holmgren
91 Greg Roelofs
92 Tom Tanner
93
94Some files in the "scripts" directory have other copyright owners,
95but are released under this license.
Patrick Williamsc124f4f2015-09-15 14:41:29 -050096
97libpng versions 0.5, May 1995, through 0.88, January 1996, are
Brad Bishop977dc1a2019-02-06 16:01:43 -050098Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
Patrick Williamsc124f4f2015-09-15 14:41:29 -050099
100For the purposes of this copyright and license, "Contributing Authors"
101is defined as the following set of individuals:
102
Brad Bishop977dc1a2019-02-06 16:01:43 -0500103 Andreas Dilger
104 Dave Martindale
105 Guy Eric Schalnat
106 Paul Schmidt
107 Tim Wegner
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500108
Brad Bishop977dc1a2019-02-06 16:01:43 -0500109The PNG Reference Library is supplied "AS IS". The Contributing
110Authors and Group 42, Inc. disclaim all warranties, expressed or
111implied, including, without limitation, the warranties of
112merchantability and of fitness for any purpose. The Contributing
113Authors and Group 42, Inc. assume no liability for direct, indirect,
114incidental, special, exemplary, or consequential damages, which may
115result from the use of the PNG Reference Library, even if advised of
116the possibility of such damage.
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500117
118Permission is hereby granted to use, copy, modify, and distribute this
119source code, or portions hereof, for any purpose, without fee, subject
120to the following restrictions:
121
Brad Bishop977dc1a2019-02-06 16:01:43 -0500122 1. The origin of this source code must not be misrepresented.
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500123
Brad Bishop977dc1a2019-02-06 16:01:43 -0500124 2. Altered versions must be plainly marked as such and must not
125 be misrepresented as being the original source.
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500126
Brad Bishop977dc1a2019-02-06 16:01:43 -0500127 3. This Copyright notice may not be removed or altered from any
128 source or altered source distribution.
Patrick Williamsc124f4f2015-09-15 14:41:29 -0500129
Brad Bishop977dc1a2019-02-06 16:01:43 -0500130The Contributing Authors and Group 42, Inc. specifically permit,
131without fee, and encourage the use of this source code as a component
132to supporting the PNG file format in commercial products. If you use
133this source code in a product, acknowledgment is not required but would
134be appreciated.