3261N/AThis copy of the libpng notices is provided for your convenience. In case of
2830N/Aany discrepancy between this copy and the notices in the file
png.h that is
2830N/Aincluded in the libpng distribution, the latter shall prevail.
2830N/ACOPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
2830N/AIf you modify libpng you may insert additional notices immediately following
2830N/AThis code is released under the libpng license.
2830N/Alibpng versions 1.2.6, August 15, 2004, through 1.5.4, July 7, 2011, are
2830N/ACopyright (c) 2004, 2006-2011 Glenn Randers-Pehrson, and are
2830N/Adistributed according to the same disclaimer and license as libpng-1.2.5
2830N/Awith the following individual added to the list of Contributing Authors
2830N/Alibpng versions 1.0.7, July 1, 2000, through 1.2.5 - October 3, 2002, are
2830N/ACopyright (c) 2000-2002 Glenn Randers-Pehrson, and are
2830N/Adistributed according to the same disclaimer and license as libpng-1.0.6
2830N/Awith the following individuals added to the list of Contributing Authors
2830N/Aand with the following additions to the disclaimer:
2830N/A There is no warranty against interference with your enjoyment of the
2830N/A library or against infringement. There is no warranty that our
2830N/A efforts or the library will fulfill any of your particular purposes
2830N/A or needs. This library is provided with all faults, and the entire
2830N/A risk of satisfactory quality, performance, accuracy, and effort is with
2830N/Alibpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are
2830N/ACopyright (c) 1998, 1999 Glenn Randers-Pehrson, and are
2830N/Adistributed according to the same disclaimer and license as libpng-0.96,
2830N/Awith the following individuals added to the list of Contributing Authors:
3216N/Alibpng versions 0.89, June 1996, through 0.96, May 1997, are
3216N/ACopyright (c) 1996, 1997 Andreas Dilger
3216N/ADistributed according to the same disclaimer and license as libpng-0.88,
3216N/Awith the following individuals added to the list of Contributing Authors:
libpng versions 0.5, May 1995, through 0.88, January 1996, are
Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
For the purposes of this copyright and license, "Contributing Authors"
is defined as the following set of individuals:
The PNG Reference Library is supplied "AS IS". The Contributing Authors
and Group 42, Inc. disclaim all warranties, expressed or implied,
including, without limitation, the warranties of merchantability and of
fitness for any purpose. The Contributing Authors and Group 42, Inc.
assume no liability for direct, indirect, incidental, special, exemplary,
or consequential damages, which may result from the use of the PNG
Reference Library, even if advised of the possibility of such damage.
Permission is hereby granted to use, copy, modify, and distribute this
source code, or portions hereof, for any purpose, without fee, subject
to the following restrictions:
1. The origin of this source code must not be misrepresented.
2. Altered versions must be plainly marked as such and must not
be misrepresented as being the original source.
3. This Copyright notice may not be removed or altered from any
source or altered source distribution.
The Contributing Authors and Group 42, Inc. specifically permit, without
fee, and encourage the use of this source code as a component to
supporting the PNG file format in commercial products. If you use this
source code in a product, acknowledgment is not required but would be
A "png_get_copyright" function is available, for convenient use in "about"
printf("%s",png_get_copyright(NULL));
Also, the PNG logo (in PNG format, of course) is supplied in the
Libpng is OSI Certified Open Source Software. OSI Certified Open Source is a
certification mark of the Open Source Initiative.
