1 2This copy of the libpng notices is provided for your convenience. In case of 3any discrepancy between this copy and the notices in the file png.h that is 4included in the libpng distribution, the latter shall prevail. 5 6COPYRIGHT NOTICE, DISCLAIMER, and LICENSE: 7 8If you modify libpng you may insert additional notices immediately following 9this sentence. 10 11This code is released under the libpng license. 12 13libpng versions 1.0.7, July 1, 2000 through 1.6.28, January 5, 2017 are 14Copyright (c) 2000-2002, 2004, 2006-2017 Glenn Randers-Pehrson, are 15derived from libpng-1.0.6, and are distributed according to the same 16disclaimer and license as libpng-1.0.6 with the following individuals 17added 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 27and 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 36Some files in the "contrib" directory and some configure-generated 37files that are distributed with libpng have other copyright owners and 38are released under other open source licenses. 39 40libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are 41Copyright (c) 1998-2000 Glenn Randers-Pehrson, are derived from 42libpng-0.96, and are distributed according to the same disclaimer and 43license as libpng-0.96, with the following individuals added to the list 44of Contributing Authors: 45 46 Tom Lane 47 Glenn Randers-Pehrson 48 Willem van Schaik 49 50libpng versions 0.89, June 1996, through 0.96, May 1997, are 51Copyright (c) 1996-1997 Andreas Dilger, are derived from libpng-0.88, 52and are distributed according to the same disclaimer and license as 53libpng-0.88, with the following individuals added to the list of 54Contributing Authors: 55 56 John Bowler 57 Kevin Bracey 58 Sam Bushell 59 Magnus Holmgren 60 Greg Roelofs 61 Tom Tanner 62 63Some files in the "scripts" directory have other copyright owners 64but are released under this license. 65 66libpng versions 0.5, May 1995, through 0.88, January 1996, are 67Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc. 68 69For the purposes of this copyright and license, "Contributing Authors" 70is 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 78The PNG Reference Library is supplied "AS IS". The Contributing Authors 79and Group 42, Inc. disclaim all warranties, expressed or implied, 80including, without limitation, the warranties of merchantability and of 81fitness for any purpose. The Contributing Authors and Group 42, Inc. 82assume no liability for direct, indirect, incidental, special, exemplary, 83or consequential damages, which may result from the use of the PNG 84Reference Library, even if advised of the possibility of such damage. 85 86Permission is hereby granted to use, copy, modify, and distribute this 87source code, or portions hereof, for any purpose, without fee, subject 88to 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 98The Contributing Authors and Group 42, Inc. specifically permit, without 99fee, and encourage the use of this source code as a component to 100supporting the PNG file format in commercial products. If you use this 101source code in a product, acknowledgment is not required but would be 102appreciated. 103 104END OF COPYRIGHT NOTICE, DISCLAIMER, and LICENSE. 105 106TRADEMARK: 107 108The name "libpng" has not been registered by the Copyright owner 109as a trademark in any jurisdiction. However, because libpng has 110been distributed and maintained world-wide, continually since 1995, 111the Copyright owner claims "common-law trademark protection" in any 112jurisdiction where common-law trademark is recognized. 113 114OSI CERTIFICATION: 115 116Libpng is OSI Certified Open Source Software. OSI Certified Open Source is 117a certification mark of the Open Source Initiative. OSI has not addressed 118the additional disclaimers inserted at version 1.0.7. 119 120EXPORT CONTROL: 121 122The Copyright owner believes that the Export Control Classification 123Number (ECCN) for libpng is EAR99, which means not subject to export 124controls or International Traffic in Arms Regulations (ITAR) because 125it is open source, publicly available software, that does not contain 126any encryption software. See the EAR, paragraphs 734.3(b)(3) and 127734.7(b). 128 129Glenn Randers-Pehrson 130glennrp at users.sourceforge.net 131January 5, 2017 132