6 This copy of the libpng notices is provided for your convenience. In case of
7 any discrepancy between this copy and the notices in the file png.h that is
8 included in the libpng distribution, the latter shall prevail.
10 COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
12 If you modify libpng you may insert additional notices immediately following
15 This code is released under the libpng license.
17 libpng versions 1.0.7, July 1, 2000 through 1.6.35, September 29, 2017 are
18 Copyright (c) 2000-2002, 2004, 2006-2018 Glenn Randers-Pehrson, are
19 derived from libpng-1.0.6, and are distributed according to the same
20 disclaimer and license as libpng-1.0.6 with the following individuals
21 added to the list of Contributing Authors:
33 and with the following additions to the disclaimer:
35 There is no warranty against interference with your enjoyment of the
36 library or against infringement. There is no warranty that our
37 efforts or the library will fulfill any of your particular purposes
38 or needs. This library is provided with all faults, and the entire
39 risk of satisfactory quality, performance, accuracy, and effort is with
42 Some files in the "contrib" directory and some configure-generated
43 files that are distributed with libpng have other copyright owners and
44 are released under other open source licenses.
46 libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are
47 Copyright (c) 1998-2000 Glenn Randers-Pehrson, are derived from
48 libpng-0.96, and are distributed according to the same disclaimer and
49 license as libpng-0.96, with the following individuals added to the list
50 of Contributing Authors:
56 libpng versions 0.89, June 1996, through 0.96, May 1997, are
57 Copyright (c) 1996-1997 Andreas Dilger, are derived from libpng-0.88,
58 and are distributed according to the same disclaimer and license as
59 libpng-0.88, with the following individuals added to the list of
69 Some files in the "scripts" directory have other copyright owners
70 but are released under this license.
72 libpng versions 0.5, May 1995, through 0.88, January 1996, are
73 Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
75 For the purposes of this copyright and license, "Contributing Authors"
76 is defined as the following set of individuals:
84 The PNG Reference Library is supplied "AS IS". The Contributing Authors
85 and Group 42, Inc. disclaim all warranties, expressed or implied,
86 including, without limitation, the warranties of merchantability and of
87 fitness for any purpose. The Contributing Authors and Group 42, Inc.
88 assume no liability for direct, indirect, incidental, special, exemplary,
89 or consequential damages, which may result from the use of the PNG
90 Reference Library, even if advised of the possibility of such damage.
92 Permission is hereby granted to use, copy, modify, and distribute this
93 source code, or portions hereof, for any purpose, without fee, subject
94 to the following restrictions:
96 1. The origin of this source code must not be misrepresented.
98 2. Altered versions must be plainly marked as such and must not
99 be misrepresented as being the original source.
101 3. This Copyright notice may not be removed or altered from any
102 source or altered source distribution.
104 The Contributing Authors and Group 42, Inc. specifically permit, without
105 fee, and encourage the use of this source code as a component to
106 supporting the PNG file format in commercial products. If you use this
107 source code in a product, acknowledgment is not required but would be
110 END OF COPYRIGHT NOTICE, DISCLAIMER, and LICENSE.