1 ## libpng v1.6.35 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 1.6.35, September 29, 2017 are 18 Copyright (c) 2000-2002, 2004, 2006-2018 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 Mandar Sahastrabuddhe 30 Google Inc. 31 Vadim Barkov 32 33 and with the following additions to the disclaimer: 34 35 There is no warranty against interference with your enjoyment of the 36 library or against infringement. There is no warranty that our 37 efforts or the library will fulfill any of your particular purposes 38 or needs. This library is provided with all faults, and the entire 39 risk of satisfactory quality, performance, accuracy, and effort is with 40 the user. 41 42 Some files in the "contrib" directory and some configure-generated 43 files that are distributed with libpng have other copyright owners and 44 are released under other open source licenses. 45 46 libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are 47 Copyright (c) 1998-2000 Glenn Randers-Pehrson, are derived from 48 libpng-0.96, and are distributed according to the same disclaimer and 49 license as libpng-0.96, with the following individuals added to the list 50 of Contributing Authors: 51 52 Tom Lane 53 Glenn Randers-Pehrson 54 Willem van Schaik 55 56 libpng versions 0.89, June 1996, through 0.96, May 1997, are 57 Copyright (c) 1996-1997 Andreas Dilger, are derived from libpng-0.88, 58 and are distributed according to the same disclaimer and license as 59 libpng-0.88, with the following individuals added to the list of 60 Contributing Authors: 61 62 John Bowler 63 Kevin Bracey 64 Sam Bushell 65 Magnus Holmgren 66 Greg Roelofs 67 Tom Tanner 68 69 Some files in the "scripts" directory have other copyright owners 70 but are released under this license. 71 72 libpng versions 0.5, May 1995, through 0.88, January 1996, are 73 Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc. 74 75 For the purposes of this copyright and license, "Contributing Authors" 76 is defined as the following set of individuals: 77 78 Andreas Dilger 79 Dave Martindale 80 Guy Eric Schalnat 81 Paul Schmidt 82 Tim Wegner 83 84 The PNG Reference Library is supplied "AS IS". The Contributing Authors 85 and Group 42, Inc. disclaim all warranties, expressed or implied, 86 including, without limitation, the warranties of merchantability and of 87 fitness for any purpose. The Contributing Authors and Group 42, Inc. 88 assume no liability for direct, indirect, incidental, special, exemplary, 89 or consequential damages, which may result from the use of the PNG 90 Reference Library, even if advised of the possibility of such damage. 91 92 Permission is hereby granted to use, copy, modify, and distribute this 93 source code, or portions hereof, for any purpose, without fee, subject 94 to the following restrictions: 95 96 1. The origin of this source code must not be misrepresented. 97 98 2. Altered versions must be plainly marked as such and must not 99 be misrepresented as being the original source. 100 101 3. This Copyright notice may not be removed or altered from any 102 source or altered source distribution. 103 104 The Contributing Authors and Group 42, Inc. specifically permit, without 105 fee, and encourage the use of this source code as a component to 106 supporting the PNG file format in commercial products. If you use this 107 source code in a product, acknowledgment is not required but would be 108 appreciated. 109 110 END OF COPYRIGHT NOTICE, DISCLAIMER, and LICENSE. 111 112 </pre>