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 1.6.25, September 1, 2016 are 14Copyright (c) 2000-2002, 2004, 2006-2016 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 26and with the following additions to the disclaimer: 27 28 There is no warranty against interference with your enjoyment of the 29 library or against infringement. There is no warranty that our 30 efforts or the library will fulfill any of your particular purposes 31 or needs. This library is provided with all faults, and the entire 32 risk of satisfactory quality, performance, accuracy, and effort is with 33 the user. 34 35Some files in the "contrib" directory and some configure-generated 36files that are distributed with libpng have other copyright owners and 37are released under other open source licenses. 38 39libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are 40Copyright (c) 1998-2000 Glenn Randers-Pehrson, are derived from 41libpng-0.96, and are distributed according to the same disclaimer and 42license as libpng-0.96, with the following individuals added to the list 43of Contributing Authors: 44 45 Tom Lane 46 Glenn Randers-Pehrson 47 Willem van Schaik 48 49libpng versions 0.89, June 1996, through 0.96, May 1997, are 50Copyright (c) 1996-1997 Andreas Dilger, are derived from libpng-0.88, 51and are distributed according to the same disclaimer and license as 52libpng-0.88, with the following individuals added to the list of 53Contributing Authors: 54 55 John Bowler 56 Kevin Bracey 57 Sam Bushell 58 Magnus Holmgren 59 Greg Roelofs 60 Tom Tanner 61 62Some files in the "scripts" directory have other copyright owners 63but are released under this license. 64 65libpng versions 0.5, May 1995, through 0.88, January 1996, are 66Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc. 67 68For the purposes of this copyright and license, "Contributing Authors" 69is defined as the following set of individuals: 70 71 Andreas Dilger 72 Dave Martindale 73 Guy Eric Schalnat 74 Paul Schmidt 75 Tim Wegner 76 77The PNG Reference Library is supplied "AS IS". The Contributing Authors 78and Group 42, Inc. disclaim all warranties, expressed or implied, 79including, without limitation, the warranties of merchantability and of 80fitness for any purpose. The Contributing Authors and Group 42, Inc. 81assume no liability for direct, indirect, incidental, special, exemplary, 82or consequential damages, which may result from the use of the PNG 83Reference Library, even if advised of the possibility of such damage. 84 85Permission is hereby granted to use, copy, modify, and distribute this 86source code, or portions hereof, for any purpose, without fee, subject 87to the following restrictions: 88 89 1. The origin of this source code must not be misrepresented. 90 91 2. Altered versions must be plainly marked as such and must not 92 be misrepresented as being the original source. 93 94 3. This Copyright notice may not be removed or altered from any 95 source or altered source distribution. 96 97The Contributing Authors and Group 42, Inc. specifically permit, without 98fee, and encourage the use of this source code as a component to 99supporting the PNG file format in commercial products. If you use this 100source code in a product, acknowledgment is not required but would be 101appreciated. 102 103END OF COPYRIGHT NOTICE, DISCLAIMER, and LICENSE. 104 105TRADEMARK: 106 107The name "libpng" has not been registered by the Copyright owner 108as a trademark in any jurisdiction. However, because libpng has 109been distributed and maintained world-wide, continually since 1995, 110the Copyright owner claims "common-law trademark protection" in any 111jurisdiction where common-law trademark is recognized. 112 113OSI CERTIFICATION: 114 115Libpng is OSI Certified Open Source Software. OSI Certified Open Source is 116a certification mark of the Open Source Initiative. OSI has not addressed 117the additional disclaimers inserted at version 1.0.7. 118 119EXPORT CONTROL: 120 121The Copyright owner believes that the Export Control Classification 122Number (ECCN) for libpng is EAR99, which means not subject to export 123controls or International Traffic in Arms Regulations (ITAR) because 124it is open source, publicly available software, that does not contain 125any encryption software. See the EAR, paragraphs 734.3(b)(3) and 126734.7(b). 127 128Glenn Randers-Pehrson 129glennrp at users.sourceforge.net 130September 1, 2016 131