2 This copy of the libpng notices is provided for your convenience. In case of
3 any discrepancy between this copy and the notices in the file png.h that is
4 included in the libpng distribution, the latter shall prevail.
6 COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
8 If you modify libpng you may insert additional notices immediately following
11 This code is released under the libpng license.
13 libpng versions 1.0.7, July 1, 2000, through 1.6.18, July 23, 2015, are
14 Copyright (c) 2000-2002, 2004, 2006-2015 Glenn Randers-Pehrson, and are
15 distributed according to the same disclaimer and license as libpng-1.0.6
16 with the following individuals added to the list of Contributing Authors:
25 and with the following additions to the disclaimer:
27 There is no warranty against interference with your enjoyment of the
28 library or against infringement. There is no warranty that our
29 efforts or the library will fulfill any of your particular purposes
30 or needs. This library is provided with all faults, and the entire
31 risk of satisfactory quality, performance, accuracy, and effort is with
34 libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are
35 Copyright (c) 1998-2000 Glenn Randers-Pehrson, and are distributed according
36 to the same disclaimer and license as libpng-0.96, with the following
37 individuals added to the list of Contributing Authors:
43 libpng versions 0.89, June 1996, through 0.96, May 1997, are
44 Copyright (c) 1996-1997 Andreas Dilger, and are
45 distributed according to the same disclaimer and license as libpng-0.88,
46 with the following individuals added to the list of Contributing Authors:
55 libpng versions 0.5, May 1995, through 0.88, January 1996, are
56 Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
58 For the purposes of this copyright and license, "Contributing Authors"
59 is defined as the following set of individuals:
67 The PNG Reference Library is supplied "AS IS". The Contributing Authors
68 and Group 42, Inc. disclaim all warranties, expressed or implied,
69 including, without limitation, the warranties of merchantability and of
70 fitness for any purpose. The Contributing Authors and Group 42, Inc.
71 assume no liability for direct, indirect, incidental, special, exemplary,
72 or consequential damages, which may result from the use of the PNG
73 Reference Library, even if advised of the possibility of such damage.
75 Permission is hereby granted to use, copy, modify, and distribute this
76 source code, or portions hereof, for any purpose, without fee, subject
77 to the following restrictions:
79 1. The origin of this source code must not be misrepresented.
81 2. Altered versions must be plainly marked as such and must not
82 be misrepresented as being the original source.
84 3. This Copyright notice may not be removed or altered from any
85 source or altered source distribution.
87 The Contributing Authors and Group 42, Inc. specifically permit, without
88 fee, and encourage the use of this source code as a component to
89 supporting the PNG file format in commercial products. If you use this
90 source code in a product, acknowledgment is not required but would be
93 A "png_get_copyright" function is available, for convenient use in "about"
96 printf("%s", png_get_copyright(NULL));
98 Also, the PNG logo (in PNG format, of course) is supplied in the
99 files "pngbar.png" and "pngbar.jpg (88x31) and "pngnow.png" (98x31).
101 Libpng is OSI Certified Open Source Software. OSI Certified Open Source is
102 a certification mark of the Open Source Initiative. OSI has not addressed
103 the additional disclaimers inserted at version 1.0.7.
105 Glenn Randers-Pehrson
106 glennrp at users.sourceforge.net