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 libpng versions 1.0.7, July 1, 2000, through 1.2.5, October 3, 2002, are
12 Copyright (c) 2000-2002 Glenn Randers-Pehrson
13 and are distributed according to the same disclaimer and license as libpng-1.0.6
14 with the following individuals added to the list of Contributing Authors
20 and with the following additions to the disclaimer:
22 There is no warranty against interference with your enjoyment of the
23 library or against infringement. There is no warranty that our
24 efforts or the library will fulfill any of your particular purposes
25 or needs. This library is provided with all faults, and the entire
26 risk of satisfactory quality, performance, accuracy, and effort is with
29 libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are
30 Copyright (c) 1998, 1999 Glenn Randers-Pehrson, and are
31 distributed according to the same disclaimer and license as libpng-0.96,
32 with the following individuals added to the list of Contributing Authors:
38 libpng versions 0.89, June 1996, through 0.96, May 1997, are
39 Copyright (c) 1996, 1997 Andreas Dilger
40 Distributed according to the same disclaimer and license as libpng-0.88,
41 with the following individuals added to the list of Contributing Authors:
50 libpng versions 0.5, May 1995, through 0.88, January 1996, are
51 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
53 For the purposes of this copyright and license, "Contributing Authors"
54 is defined as the following set of individuals:
62 The PNG Reference Library is supplied "AS IS". The Contributing Authors
63 and Group 42, Inc. disclaim all warranties, expressed or implied,
64 including, without limitation, the warranties of merchantability and of
65 fitness for any purpose. The Contributing Authors and Group 42, Inc.
66 assume no liability for direct, indirect, incidental, special, exemplary,
67 or consequential damages, which may result from the use of the PNG
68 Reference Library, even if advised of the possibility of such damage.
70 Permission is hereby granted to use, copy, modify, and distribute this
71 source code, or portions hereof, for any purpose, without fee, subject
72 to the following restrictions:
74 1. The origin of this source code must not be misrepresented.
76 2. Altered versions must be plainly marked as such and must not
77 be misrepresented as being the original source.
79 3. This Copyright notice may not be removed or altered from any
80 source or altered source distribution.
82 The Contributing Authors and Group 42, Inc. specifically permit, without
83 fee, and encourage the use of this source code as a component to
84 supporting the PNG file format in commercial products. If you use this
85 source code in a product, acknowledgment is not required but would be
89 A "png_get_copyright" function is available, for convenient use in "about"
92 printf("%s",png_get_copyright(NULL));
94 Also, the PNG logo (in PNG format, of course) is supplied in the
95 files "pngbar.png" and "pngbar.jpg (88x31) and "pngnow.png" (98x31).
97 Libpng is OSI Certified Open Source Software. OSI Certified Open Source is a
98 certification mark of the Open Source Initiative.
100 Glenn Randers-Pehrson