1 ## libpng v1.6.23 2 3 ### libpng License 4 <pre> 5 6 This copy of the libpng notices is provided for your convenience. In case of 7 any discrepancy between this copy and the notices in the file png.h that is 8 included in the libpng distribution, the latter shall prevail. 9 10 COPYRIGHT NOTICE, DISCLAIMER, and LICENSE: 11 12 If you modify libpng you may insert additional notices immediately following 13 this sentence. 14 15 This code is released under the libpng license. 16 17 libpng versions 1.0.7, July 1, 2000 through 1.6.23, June 9, 2016 are 18 Copyright (c) 2000-2002, 2004, 2006-2016 Glenn Randers-Pehrson, are 19 derived from libpng-1.0.6, and are distributed according to the same 20 disclaimer and license as libpng-1.0.6 with the following individuals 21 added to the list of Contributing Authors: 22 23 Simon-Pierre Cadieux 24 Eric S. Raymond 25 Mans Rullgard 26 Cosmin Truta 27 Gilles Vollant 28 James Yu 29 30 and with the following additions to the disclaimer: 31 32 There is no warranty against interference with your enjoyment of the 33 library or against infringement. There is no warranty that our 34 efforts or the library will fulfill any of your particular purposes 35 or needs. This library is provided with all faults, and the entire 36 risk of satisfactory quality, performance, accuracy, and effort is with 37 the user. 38 39 Some files in the "contrib" directory and some configure-generated 40 files that are distributed with libpng have other copyright owners and 41 are released under other open source licenses. 42 43 libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are 44 Copyright (c) 1998-2000 Glenn Randers-Pehrson, are derived from 45 libpng-0.96, and are distributed according to the same disclaimer and 46 license as libpng-0.96, with the following individuals added to the list 47 of Contributing Authors: 48 49 Tom Lane 50 Glenn Randers-Pehrson 51 Willem van Schaik 52 53 libpng versions 0.89, June 1996, through 0.96, May 1997, are 54 Copyright (c) 1996-1997 Andreas Dilger, are derived from libpng-0.88, 55 and are distributed according to the same disclaimer and license as 56 libpng-0.88, with the following individuals added to the list of 57 Contributing Authors: 58 59 John Bowler 60 Kevin Bracey 61 Sam Bushell 62 Magnus Holmgren 63 Greg Roelofs 64 Tom Tanner 65 66 Some files in the "scripts" directory have other copyright owners 67 but are released under this license. 68 69 libpng versions 0.5, May 1995, through 0.88, January 1996, are 70 Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc. 71 72 For the purposes of this copyright and license, "Contributing Authors" 73 is defined as the following set of individuals: 74 75 Andreas Dilger 76 Dave Martindale 77 Guy Eric Schalnat 78 Paul Schmidt 79 Tim Wegner 80 81 The PNG Reference Library is supplied "AS IS". The Contributing Authors 82 and Group 42, Inc. disclaim all warranties, expressed or implied, 83 including, without limitation, the warranties of merchantability and of 84 fitness for any purpose. The Contributing Authors and Group 42, Inc. 85 assume no liability for direct, indirect, incidental, special, exemplary, 86 or consequential damages, which may result from the use of the PNG 87 Reference Library, even if advised of the possibility of such damage. 88 89 Permission is hereby granted to use, copy, modify, and distribute this 90 source code, or portions hereof, for any purpose, without fee, subject 91 to the following restrictions: 92 93 1. The origin of this source code must not be misrepresented. 94 95 2. Altered versions must be plainly marked as such and must not 96 be misrepresented as being the original source. 97 98 3. This Copyright notice may not be removed or altered from any 99 source or altered source distribution. 100 101 The Contributing Authors and Group 42, Inc. specifically permit, without 102 fee, and encourage the use of this source code as a component to 103 supporting the PNG file format in commercial products. If you use this 104 source code in a product, acknowledgment is not required but would be 105 appreciated. 106 107 END OF COPYRIGHT NOTICE, DISCLAIMER, and LICENSE. 108 109 </pre> 110
