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Feature #2144 » libpng-license.txt

JK Schwersinske, 2012-05-18 06:03 AM

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