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 1.2.6, August 15, 2004, through 1.2.45, July 7, 2011, are 14 Copyright (c) 2004, 2006-2009 Glenn Randers-Pehrson, and are 15 distributed according to the same disclaimer and license as libpng-1.2.5 16 with the following individual added to the list of Contributing Authors 17 18 Cosmin Truta 19 20 libpng versions 1.0.7, July 1, 2000, through 1.2.5 - October 3, 2002, are 21 Copyright (c) 2000-2002 Glenn Randers-Pehrson, and are 22 distributed according to the same disclaimer and license as libpng-1.0.6 23 with the following individuals added to the list of Contributing Authors 24 25 Simon-Pierre Cadieux 26 Eric S. Raymond 27 Gilles Vollant 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 libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are 39 Copyright (c) 1998, 1999 Glenn Randers-Pehrson, and are 40 distributed according to the same disclaimer and license as libpng-0.96, 41 with the following individuals added to the list of Contributing Authors: 42 43 Tom Lane 44 Glenn Randers-Pehrson 45 Willem van Schaik 46 47 libpng versions 0.89, June 1996, through 0.96, May 1997, are 48 Copyright (c) 1996, 1997 Andreas Dilger 49 Distributed according to the same disclaimer and license as libpng-0.88, 50 with the following individuals added to the list of Contributing Authors: 51 52 John Bowler 53 Kevin Bracey 54 Sam Bushell 55 Magnus Holmgren 56 Greg Roelofs 57 Tom Tanner 58 59 libpng versions 0.5, May 1995, through 0.88, January 1996, are 60 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc. 61 62 For the purposes of this copyright and license, "Contributing Authors" 63 is defined as the following set of individuals: 64 65 Andreas Dilger 66 Dave Martindale 67 Guy Eric Schalnat 68 Paul Schmidt 69 Tim Wegner 70 71 The PNG Reference Library is supplied "AS IS". The Contributing Authors 72 and Group 42, Inc. disclaim all warranties, expressed or implied, 73 including, without limitation, the warranties of merchantability and of 74 fitness for any purpose. The Contributing Authors and Group 42, Inc. 75 assume no liability for direct, indirect, incidental, special, exemplary, 76 or consequential damages, which may result from the use of the PNG 77 Reference Library, even if advised of the possibility of such damage. 78 79 Permission is hereby granted to use, copy, modify, and distribute this 80 source code, or portions hereof, for any purpose, without fee, subject 81 to the following restrictions: 82 83 1. The origin of this source code must not be misrepresented. 84 85 2. Altered versions must be plainly marked as such and must not 86 be misrepresented as being the original source. 87 88 3. This Copyright notice may not be removed or altered from any 89 source or altered source distribution. 90 91 The Contributing Authors and Group 42, Inc. specifically permit, without 92 fee, and encourage the use of this source code as a component to 93 supporting the PNG file format in commercial products. If you use this 94 source code in a product, acknowledgment is not required but would be 95 appreciated. 96 97 98 A "png_get_copyright" function is available, for convenient use in "about" 99 boxes and the like: 100 101 printf("%s",png_get_copyright(NULL)); 102 103 Also, the PNG logo (in PNG format, of course) is supplied in the 104 files "pngbar.png" and "pngbar.jpg (88x31) and "pngnow.png" (98x31). 105 106 Libpng is OSI Certified Open Source Software. OSI Certified Open Source is a 107 certification mark of the Open Source Initiative. 108 109 Glenn Randers-Pehrson 110 glennrp at users.sourceforge.net 111 July 7, 2011 112
