1 2 This copy of the libpng notices is provided for your convenience. In case of 3 any discrepancy between this copy and the notices in the file png.h that is 4 included in the libpng distribution, the latter shall prevail. 5 6 COPYRIGHT NOTICE, DISCLAIMER, and LICENSE: 7 8 If you modify libpng you may insert additional notices immediately following 9 this sentence. 10 11 This code is released under the libpng license. 12 13 libpng versions 1.0.7, July 1, 2000 through 1.6.34, September 29, 2017 are 14 Copyright (c) 2000-2002, 2004, 2006-2017 Glenn Randers-Pehrson, are 15 derived from libpng-1.0.6, and are distributed according to the same 16 disclaimer and license as libpng-1.0.6 with the following individuals 17 added 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 Mandar Sahastrabuddhe 26 Google Inc. 27 Vadim Barkov 28 29 and with the following additions to the disclaimer: 30 31 There is no warranty against interference with your enjoyment of the 32 library or against infringement. There is no warranty that our 33 efforts or the library will fulfill any of your particular purposes 34 or needs. This library is provided with all faults, and the entire 35 risk of satisfactory quality, performance, accuracy, and effort is with 36 the user. 37 38 Some files in the "contrib" directory and some configure-generated 39 files that are distributed with libpng have other copyright owners and 40 are released under other open source licenses. 41 42 libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are 43 Copyright (c) 1998-2000 Glenn Randers-Pehrson, are derived from 44 libpng-0.96, and are distributed according to the same disclaimer and 45 license as libpng-0.96, with the following individuals added to the list 46 of Contributing Authors: 47 48 Tom Lane 49 Glenn Randers-Pehrson 50 Willem van Schaik 51 52 libpng versions 0.89, June 1996, through 0.96, May 1997, are 53 Copyright (c) 1996-1997 Andreas Dilger, are derived from libpng-0.88, 54 and are distributed according to the same disclaimer and license as 55 libpng-0.88, with the following individuals added to the list of 56 Contributing Authors: 57 58 John Bowler 59 Kevin Bracey 60 Sam Bushell 61 Magnus Holmgren 62 Greg Roelofs 63 Tom Tanner 64 65 Some files in the "scripts" directory have other copyright owners 66 but are released under this license. 67 68 libpng versions 0.5, May 1995, through 0.88, January 1996, are 69 Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc. 70 71 For the purposes of this copyright and license, "Contributing Authors" 72 is defined as the following set of individuals: 73 74 Andreas Dilger 75 Dave Martindale 76 Guy Eric Schalnat 77 Paul Schmidt 78 Tim Wegner 79 80 The PNG Reference Library is supplied "AS IS". The Contributing Authors 81 and Group 42, Inc. disclaim all warranties, expressed or implied, 82 including, without limitation, the warranties of merchantability and of 83 fitness for any purpose. The Contributing Authors and Group 42, Inc. 84 assume no liability for direct, indirect, incidental, special, exemplary, 85 or consequential damages, which may result from the use of the PNG 86 Reference Library, even if advised of the possibility of such damage. 87 88 Permission is hereby granted to use, copy, modify, and distribute this 89 source code, or portions hereof, for any purpose, without fee, subject 90 to the following restrictions: 91 92 1. The origin of this source code must not be misrepresented. 93 94 2. Altered versions must be plainly marked as such and must not 95 be misrepresented as being the original source. 96 97 3. This Copyright notice may not be removed or altered from any 98 source or altered source distribution. 99 100 The Contributing Authors and Group 42, Inc. specifically permit, without 101 fee, and encourage the use of this source code as a component to 102 supporting the PNG file format in commercial products. If you use this 103 source code in a product, acknowledgment is not required but would be 104 appreciated. 105 106 END OF COPYRIGHT NOTICE, DISCLAIMER, and LICENSE. 107 108 TRADEMARK: 109 110 The name "libpng" has not been registered by the Copyright owner 111 as a trademark in any jurisdiction. However, because libpng has 112 been distributed and maintained world-wide, continually since 1995, 113 the Copyright owner claims "common-law trademark protection" in any 114 jurisdiction where common-law trademark is recognized. 115 116 OSI CERTIFICATION: 117 118 Libpng is OSI Certified Open Source Software. OSI Certified Open Source is 119 a certification mark of the Open Source Initiative. OSI has not addressed 120 the additional disclaimers inserted at version 1.0.7. 121 122 EXPORT CONTROL: 123 124 The Copyright owner believes that the Export Control Classification 125 Number (ECCN) for libpng is EAR99, which means not subject to export 126 controls or International Traffic in Arms Regulations (ITAR) because 127 it is open source, publicly available software, that does not contain 128 any encryption software. See the EAR, paragraphs 734.3(b)(3) and 129 734.7(b). 130 131 Glenn Randers-Pehrson 132 glennrp at users.sourceforge.net 133 September 29, 2017 134
