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