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 libpng versions 1.2.6, August 15, 2004, through 1.2.29, May 8, 2008, are 12 Copyright (c) 2004, 2006-2008 Glenn Randers-Pehrson, and are 13 distributed according to the same disclaimer and license as libpng-1.2.5 14 with the following individual added to the list of Contributing Authors 15 16 Cosmin Truta 17 18 libpng versions 1.0.7, July 1, 2000, through 1.2.5 - October 3, 2002, are 19 Copyright (c) 2000-2002 Glenn Randers-Pehrson, and are 20 distributed according to the same disclaimer and license as libpng-1.0.6 21 with the following individuals added to the list of Contributing Authors 22 23 Simon-Pierre Cadieux 24 Eric S. Raymond 25 Gilles Vollant 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 libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are 37 Copyright (c) 1998, 1999 Glenn Randers-Pehrson, and are 38 distributed according to the same disclaimer and license as libpng-0.96, 39 with the following individuals added to the list of Contributing Authors: 40 41 Tom Lane 42 Glenn Randers-Pehrson 43 Willem van Schaik 44 45 libpng versions 0.89, June 1996, through 0.96, May 1997, are 46 Copyright (c) 1996, 1997 Andreas Dilger 47 Distributed according to the same disclaimer and license as libpng-0.88, 48 with the following individuals added to the list of Contributing Authors: 49 50 John Bowler 51 Kevin Bracey 52 Sam Bushell 53 Magnus Holmgren 54 Greg Roelofs 55 Tom Tanner 56 57 libpng versions 0.5, May 1995, through 0.88, January 1996, are 58 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc. 59 60 For the purposes of this copyright and license, "Contributing Authors" 61 is defined as the following set of individuals: 62 63 Andreas Dilger 64 Dave Martindale 65 Guy Eric Schalnat 66 Paul Schmidt 67 Tim Wegner 68 69 The PNG Reference Library is supplied "AS IS". The Contributing Authors 70 and Group 42, Inc. disclaim all warranties, expressed or implied, 71 including, without limitation, the warranties of merchantability and of 72 fitness for any purpose. The Contributing Authors and Group 42, Inc. 73 assume no liability for direct, indirect, incidental, special, exemplary, 74 or consequential damages, which may result from the use of the PNG 75 Reference Library, even if advised of the possibility of such damage. 76 77 Permission is hereby granted to use, copy, modify, and distribute this 78 source code, or portions hereof, for any purpose, without fee, subject 79 to the following restrictions: 80 81 1. The origin of this source code must not be misrepresented. 82 83 2. Altered versions must be plainly marked as such and must not 84 be misrepresented as being the original source. 85 86 3. This Copyright notice may not be removed or altered from any 87 source or altered source distribution. 88 89 The Contributing Authors and Group 42, Inc. specifically permit, without 90 fee, and encourage the use of this source code as a component to 91 supporting the PNG file format in commercial products. If you use this 92 source code in a product, acknowledgment is not required but would be 93 appreciated. 94 95 96 A "png_get_copyright" function is available, for convenient use in "about" 97 boxes and the like: 98 99 printf("%s",png_get_copyright(NULL)); 100 101 Also, the PNG logo (in PNG format, of course) is supplied in the 102 files "pngbar.png" and "pngbar.jpg (88x31) and "pngnow.png" (98x31). 103 104 Libpng is OSI Certified Open Source Software. OSI Certified Open Source is a 105 certification mark of the Open Source Initiative. 106 107 Glenn Randers-Pehrson 108 glennrp at users.sourceforge.net 109 May 8, 2008 110