LICENSE (5345B)
1 COPYRIGHT NOTICE, DISCLAIMER, and LICENSE 2 ========================================= 3 4 PNG Reference Library License version 2 5 --------------------------------------- 6 7 * Copyright (c) 1995-2025 The PNG Reference Library Authors. 8 * Copyright (c) 2018-2025 Cosmin Truta. 9 * Copyright (c) 2000-2002, 2004, 2006-2018 Glenn Randers-Pehrson. 10 * Copyright (c) 1996-1997 Andreas Dilger. 11 * Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc. 12 13 The software is supplied "as is", without warranty of any kind, 14 express or implied, including, without limitation, the warranties 15 of merchantability, fitness for a particular purpose, title, and 16 non-infringement. In no event shall the Copyright owners, or 17 anyone distributing the software, be liable for any damages or 18 other liability, whether in contract, tort or otherwise, arising 19 from, out of, or in connection with the software, or the use or 20 other dealings in the software, even if advised of the possibility 21 of such damage. 22 23 Permission is hereby granted to use, copy, modify, and distribute 24 this software, or portions hereof, for any purpose, without fee, 25 subject to the following restrictions: 26 27 1. The origin of this software must not be misrepresented; you 28 must not claim that you wrote the original software. If you 29 use this software in a product, an acknowledgment in the product 30 documentation would be appreciated, but is not required. 31 32 2. Altered source versions must be plainly marked as such, and must 33 not be misrepresented as being the original software. 34 35 3. This Copyright notice may not be removed or altered from any 36 source or altered source distribution. 37 38 39 PNG Reference Library License version 1 (for libpng 0.5 through 1.6.35) 40 ----------------------------------------------------------------------- 41 42 libpng versions 1.0.7, July 1, 2000, through 1.6.35, July 15, 2018 are 43 Copyright (c) 2000-2002, 2004, 2006-2018 Glenn Randers-Pehrson, are 44 derived from libpng-1.0.6, and are distributed according to the same 45 disclaimer and license as libpng-1.0.6 with the following individuals 46 added to the list of Contributing Authors: 47 48 Simon-Pierre Cadieux 49 Eric S. Raymond 50 Mans Rullgard 51 Cosmin Truta 52 Gilles Vollant 53 James Yu 54 Mandar Sahastrabuddhe 55 Google Inc. 56 Vadim Barkov 57 58 and with the following additions to the disclaimer: 59 60 There is no warranty against interference with your enjoyment of 61 the library or against infringement. There is no warranty that our 62 efforts or the library will fulfill any of your particular purposes 63 or needs. This library is provided with all faults, and the entire 64 risk of satisfactory quality, performance, accuracy, and effort is 65 with the user. 66 67 Some files in the "contrib" directory and some configure-generated 68 files that are distributed with libpng have other copyright owners, and 69 are released under other open source licenses. 70 71 libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are 72 Copyright (c) 1998-2000 Glenn Randers-Pehrson, are derived from 73 libpng-0.96, and are distributed according to the same disclaimer and 74 license as libpng-0.96, with the following individuals added to the 75 list of Contributing Authors: 76 77 Tom Lane 78 Glenn Randers-Pehrson 79 Willem van Schaik 80 81 libpng versions 0.89, June 1996, through 0.96, May 1997, are 82 Copyright (c) 1996-1997 Andreas Dilger, are derived from libpng-0.88, 83 and are distributed according to the same disclaimer and license as 84 libpng-0.88, with the following individuals added to the list of 85 Contributing Authors: 86 87 John Bowler 88 Kevin Bracey 89 Sam Bushell 90 Magnus Holmgren 91 Greg Roelofs 92 Tom Tanner 93 94 Some files in the "scripts" directory have other copyright owners, 95 but are released under this license. 96 97 libpng versions 0.5, May 1995, through 0.88, January 1996, are 98 Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc. 99 100 For the purposes of this copyright and license, "Contributing Authors" 101 is defined as the following set of individuals: 102 103 Andreas Dilger 104 Dave Martindale 105 Guy Eric Schalnat 106 Paul Schmidt 107 Tim Wegner 108 109 The PNG Reference Library is supplied "AS IS". The Contributing 110 Authors and Group 42, Inc. disclaim all warranties, expressed or 111 implied, including, without limitation, the warranties of 112 merchantability and of fitness for any purpose. The Contributing 113 Authors and Group 42, Inc. assume no liability for direct, indirect, 114 incidental, special, exemplary, or consequential damages, which may 115 result from the use of the PNG Reference Library, even if advised of 116 the possibility of such damage. 117 118 Permission is hereby granted to use, copy, modify, and distribute this 119 source code, or portions hereof, for any purpose, without fee, subject 120 to the following restrictions: 121 122 1. The origin of this source code must not be misrepresented. 123 124 2. Altered versions must be plainly marked as such and must not 125 be misrepresented as being the original source. 126 127 3. This Copyright notice may not be removed or altered from any 128 source or altered source distribution. 129 130 The Contributing Authors and Group 42, Inc. specifically permit, 131 without fee, and encourage the use of this source code as a component 132 to supporting the PNG file format in commercial products. If you use 133 this source code in a product, acknowledgment is not required but would 134 be appreciated.