michael@0: 
michael@0: This copy of the libpng notices is provided for your convenience.  In case of
michael@0: any discrepancy between this copy and the notices in the file png.h that is
michael@0: included in the libpng distribution, the latter shall prevail.
michael@0: 
michael@0: COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
michael@0: 
michael@0: If you modify libpng you may insert additional notices immediately following
michael@0: this sentence.
michael@0: 
michael@0: This code is released under the libpng license.
michael@0: 
michael@0: libpng versions 1.2.6, August 15, 2004, through 1.6.10, March 6, 2014, are
michael@0: Copyright (c) 2004, 2006-2014 Glenn Randers-Pehrson, and are
michael@0: distributed according to the same disclaimer and license as libpng-1.2.5
michael@0: with the following individual added to the list of Contributing Authors
michael@0: 
michael@0:    Cosmin Truta
michael@0: 
michael@0: libpng versions 1.0.7, July 1, 2000, through 1.2.5 - October 3, 2002, are
michael@0: Copyright (c) 2000-2002 Glenn Randers-Pehrson, and are
michael@0: distributed according to the same disclaimer and license as libpng-1.0.6
michael@0: with the following individuals added to the list of Contributing Authors
michael@0: 
michael@0:    Simon-Pierre Cadieux
michael@0:    Eric S. Raymond
michael@0:    Gilles Vollant
michael@0: 
michael@0: and with the following additions to the disclaimer:
michael@0: 
michael@0:    There is no warranty against interference with your enjoyment of the
michael@0:    library or against infringement.  There is no warranty that our
michael@0:    efforts or the library will fulfill any of your particular purposes
michael@0:    or needs.  This library is provided with all faults, and the entire
michael@0:    risk of satisfactory quality, performance, accuracy, and effort is with
michael@0:    the user.
michael@0: 
michael@0: libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are
michael@0: Copyright (c) 1998, 1999 Glenn Randers-Pehrson, and are
michael@0: distributed according to the same disclaimer and license as libpng-0.96,
michael@0: with the following individuals added to the list of Contributing Authors:
michael@0: 
michael@0:    Tom Lane
michael@0:    Glenn Randers-Pehrson
michael@0:    Willem van Schaik
michael@0: 
michael@0: libpng versions 0.89, June 1996, through 0.96, May 1997, are
michael@0: Copyright (c) 1996, 1997 Andreas Dilger
michael@0: Distributed according to the same disclaimer and license as libpng-0.88,
michael@0: with the following individuals added to the list of Contributing Authors:
michael@0: 
michael@0:    John Bowler
michael@0:    Kevin Bracey
michael@0:    Sam Bushell
michael@0:    Magnus Holmgren
michael@0:    Greg Roelofs
michael@0:    Tom Tanner
michael@0: 
michael@0: libpng versions 0.5, May 1995, through 0.88, January 1996, are
michael@0: Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
michael@0: 
michael@0: For the purposes of this copyright and license, "Contributing Authors"
michael@0: is defined as the following set of individuals:
michael@0: 
michael@0:    Andreas Dilger
michael@0:    Dave Martindale
michael@0:    Guy Eric Schalnat
michael@0:    Paul Schmidt
michael@0:    Tim Wegner
michael@0: 
michael@0: The PNG Reference Library is supplied "AS IS".  The Contributing Authors
michael@0: and Group 42, Inc. disclaim all warranties, expressed or implied,
michael@0: including, without limitation, the warranties of merchantability and of
michael@0: fitness for any purpose.  The Contributing Authors and Group 42, Inc.
michael@0: assume no liability for direct, indirect, incidental, special, exemplary,
michael@0: or consequential damages, which may result from the use of the PNG
michael@0: Reference Library, even if advised of the possibility of such damage.
michael@0: 
michael@0: Permission is hereby granted to use, copy, modify, and distribute this
michael@0: source code, or portions hereof, for any purpose, without fee, subject
michael@0: to the following restrictions:
michael@0: 
michael@0: 1. The origin of this source code must not be misrepresented.
michael@0: 
michael@0: 2. Altered versions must be plainly marked as such and must not
michael@0:    be misrepresented as being the original source.
michael@0: 
michael@0: 3. This Copyright notice may not be removed or altered from any
michael@0:    source or altered source distribution.
michael@0: 
michael@0: The Contributing Authors and Group 42, Inc. specifically permit, without
michael@0: fee, and encourage the use of this source code as a component to
michael@0: supporting the PNG file format in commercial products.  If you use this
michael@0: source code in a product, acknowledgment is not required but would be
michael@0: appreciated.
michael@0: 
michael@0: 
michael@0: A "png_get_copyright" function is available, for convenient use in "about"
michael@0: boxes and the like:
michael@0: 
michael@0:    printf("%s",png_get_copyright(NULL));
michael@0: 
michael@0: Also, the PNG logo (in PNG format, of course) is supplied in the
michael@0: files "pngbar.png" and "pngbar.jpg (88x31) and "pngnow.png" (98x31).
michael@0: 
michael@0: Libpng is OSI Certified Open Source Software.  OSI Certified Open Source is a
michael@0: certification mark of the Open Source Initiative.
michael@0: 
michael@0: Glenn Randers-Pehrson
michael@0: glennrp at users.sourceforge.net
michael@0: March 6, 2014