Dogcows Code - chaz/yoink/blob - doc/licenses/libpng

   1 This copy of the libpng notices is provided for your convenience.  In case of
   2 any discrepancy between this copy and the notices in the file png.h that is
   3 included in the libpng distribution, the latter shall prevail.
   4
   5 COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
   6
   7 If you modify libpng you may insert additional notices immediately following
   8 this sentence.
   9
  10 This code is released under the libpng license.
  11
  12 libpng versions 1.2.6, August 15, 2004, through 1.2.41, December 3, 2009, are
  13 Copyright (c) 2004, 2006-2009 Glenn Randers-Pehrson, and are
  14 distributed according to the same disclaimer and license as libpng-1.2.5
  15 with the following individual added to the list of Contributing Authors
  16
  17    Cosmin Truta
  18
  19 libpng versions 1.0.7, July 1, 2000, through 1.2.5 - October 3, 2002, are
  20 Copyright (c) 2000-2002 Glenn Randers-Pehrson, and are
  21 distributed according to the same disclaimer and license as libpng-1.0.6
  22 with the following individuals added to the list of Contributing Authors
  23
  24    Simon-Pierre Cadieux
  25    Eric S. Raymond
  26    Gilles Vollant
  27
  28 and with the following additions to the disclaimer:
  29
  30    There is no warranty against interference with your enjoyment of the
  31    library or against infringement.  There is no warranty that our
  32    efforts or the library will fulfill any of your particular purposes
  33    or needs.  This library is provided with all faults, and the entire
  34    risk of satisfactory quality, performance, accuracy, and effort is with
  35    the user.
  36
  37 libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are
  38 Copyright (c) 1998, 1999 Glenn Randers-Pehrson, and are
  39 distributed according to the same disclaimer and license as libpng-0.96,
  40 with the following individuals added to the list of Contributing Authors:
  41
  42    Tom Lane
  43    Glenn Randers-Pehrson
  44    Willem van Schaik
  45
  46 libpng versions 0.89, June 1996, through 0.96, May 1997, are
  47 Copyright (c) 1996, 1997 Andreas Dilger
  48 Distributed according to the same disclaimer and license as libpng-0.88,
  49 with the following individuals added to the list of Contributing Authors:
  50
  51    John Bowler
  52    Kevin Bracey
  53    Sam Bushell
  54    Magnus Holmgren
  55    Greg Roelofs
  56    Tom Tanner
  57
  58 libpng versions 0.5, May 1995, through 0.88, January 1996, are
  59 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.
  60
  61 For the purposes of this copyright and license, "Contributing Authors"
  62 is defined as the following set of individuals:
  63
  64    Andreas Dilger
  65    Dave Martindale
  66    Guy Eric Schalnat
  67    Paul Schmidt
  68    Tim Wegner
  69
  70 The PNG Reference Library is supplied "AS IS".  The Contributing Authors
  71 and Group 42, Inc. disclaim all warranties, expressed or implied,
  72 including, without limitation, the warranties of merchantability and of
  73 fitness for any purpose.  The Contributing Authors and Group 42, Inc.
  74 assume no liability for direct, indirect, incidental, special, exemplary,
  75 or consequential damages, which may result from the use of the PNG
  76 Reference Library, even if advised of the possibility of such damage.
  77
  78 Permission is hereby granted to use, copy, modify, and distribute this
  79 source code, or portions hereof, for any purpose, without fee, subject
  80 to the following restrictions:
  81
  82 1. The origin of this source code must not be misrepresented.
  83
  84 2. Altered versions must be plainly marked as such and must not
  85    be misrepresented as being the original source.
  86
  87 3. This Copyright notice may not be removed or altered from any
  88    source or altered source distribution.
  89
  90 The Contributing Authors and Group 42, Inc. specifically permit, without
  91 fee, and encourage the use of this source code as a component to
  92 supporting the PNG file format in commercial products.  If you use this
  93 source code in a product, acknowledgment is not required but would be
  94 appreciated.
  95
  96
  97 A "png_get_copyright" function is available, for convenient use in "about"
  98 boxes and the like:
  99
 100    printf("%s",png_get_copyright(NULL));
 101
 102 Also, the PNG logo (in PNG format, of course) is supplied in the
 103 files "pngbar.png" and "pngbar.jpg (88x31) and "pngnow.png" (98x31).
 104
 105 Libpng is OSI Certified Open Source Software.  OSI Certified Open Source is a
 106 certification mark of the Open Source Initiative.
 107
 108 Glenn Randers-Pehrson
 109 glennrp at users.sourceforge.net
 110 December 3, 2009