1 2This copy of the libpng notices is provided for your convenience. In case of 3any discrepancy between this copy and the notices in the file png.h that is 4included in the libpng distribution, the latter shall prevail. 5 6COPYRIGHT NOTICE, DISCLAIMER, and LICENSE: 7 8If you modify libpng you may insert additional notices immediately following 9this sentence. 10 11This code is released under the libpng license. 12 13libpng versions 1.0.7, July 1, 2000, through 1.6.19, November 12, 2015, are 14Copyright (c) 2000-2002, 2004, 2006-2015 Glenn Randers-Pehrson, are 15derived from libpng-1.0.6, and are distributed according to the same 16disclaimer and license as libpng-1.0.6 with the following individuals 17added to the list of Contributing Authors: 18 19 Simon-Pierre Cadieux 20 Eric S. Raymond 21 Mans Rullgard 22 Cosmin Truta 23 Gilles Vollant 24 James Yu 25 26and with the following additions to the disclaimer: 27 28 There is no warranty against interference with your enjoyment of the 29 library or against infringement. There is no warranty that our 30 efforts or the library will fulfill any of your particular purposes 31 or needs. This library is provided with all faults, and the entire 32 risk of satisfactory quality, performance, accuracy, and effort is with 33 the user. 34 35libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are 36Copyright (c) 1998-2000 Glenn Randers-Pehrson, are derived from 37libpng-0.96, and are distributed according to the same disclaimer and 38license as libpng-0.96, with the following individuals added to the list 39of Contributing Authors: 40 41 Tom Lane 42 Glenn Randers-Pehrson 43 Willem van Schaik 44 45libpng versions 0.89, June 1996, through 0.96, May 1997, are 46Copyright (c) 1996-1997 Andreas Dilger, are derived from libpng-0.88, 47and are distributed according to the same disclaimer and license as 48libpng-0.88, with the following individuals added to the list of 49Contributing Authors: 50 51 John Bowler 52 Kevin Bracey 53 Sam Bushell 54 Magnus Holmgren 55 Greg Roelofs 56 Tom Tanner 57 58libpng versions 0.5, May 1995, through 0.88, January 1996, are 59Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc. 60 61For the purposes of this copyright and license, "Contributing Authors" 62is defined as the following set of individuals: 63 64 Andreas Dilger 65 Dave Martindale 66 Guy Eric Schalnat 67 Paul Schmidt 68 Tim Wegner 69 70The PNG Reference Library is supplied "AS IS". The Contributing Authors 71and Group 42, Inc. disclaim all warranties, expressed or implied, 72including, without limitation, the warranties of merchantability and of 73fitness for any purpose. The Contributing Authors and Group 42, Inc. 74assume no liability for direct, indirect, incidental, special, exemplary, 75or consequential damages, which may result from the use of the PNG 76Reference Library, even if advised of the possibility of such damage. 77 78Permission is hereby granted to use, copy, modify, and distribute this 79source code, or portions hereof, for any purpose, without fee, subject 80to the following restrictions: 81 82 1. The origin of this source code must not be misrepresented. 83 84 2. Altered versions must be plainly marked as such and must not 85 be misrepresented as being the original source. 86 87 3. This Copyright notice may not be removed or altered from any 88 source or altered source distribution. 89 90The Contributing Authors and Group 42, Inc. specifically permit, without 91fee, and encourage the use of this source code as a component to 92supporting the PNG file format in commercial products. If you use this 93source code in a product, acknowledgment is not required but would be 94appreciated. 95 96END OF COPYRIGHT NOTICE, DISCLAIMER, and LICENSE. 97 98A "png_get_copyright" function is available, for convenient use in "about" 99boxes and the like: 100 101 printf("%s", png_get_copyright(NULL)); 102 103Also, the PNG logo (in PNG format, of course) is supplied in the 104files "pngbar.png" and "pngbar.jpg (88x31) and "pngnow.png" (98x31). 105 106Libpng is OSI Certified Open Source Software. OSI Certified Open Source is 107a certification mark of the Open Source Initiative. OSI has not addressed 108the additional disclaimers inserted at version 1.0.7. 109 110Glenn Randers-Pehrson 111glennrp at users.sourceforge.net 112November 12, 2015 113
