LICENSE 5.2 KB

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  1. COPYRIGHT NOTICE, DISCLAIMER, and LICENSE
  2. =========================================
  3. PNG Reference Library License version 2
  4. ---------------------------------------
  5. * Copyright (c) 1995-2019 The PNG Reference Library Authors.
  6. * Copyright (c) 2018-2019 Cosmin Truta.
  7. * Copyright (c) 2000-2002, 2004, 2006-2018 Glenn Randers-Pehrson.
  8. * Copyright (c) 1996-1997 Andreas Dilger.
  9. * Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
  10. The software is supplied "as is", without warranty of any kind,
  11. express or implied, including, without limitation, the warranties
  12. of merchantability, fitness for a particular purpose, title, and
  13. non-infringement. In no event shall the Copyright owners, or
  14. anyone distributing the software, be liable for any damages or
  15. other liability, whether in contract, tort or otherwise, arising
  16. from, out of, or in connection with the software, or the use or
  17. other dealings in the software, even if advised of the possibility
  18. of such damage.
  19. Permission is hereby granted to use, copy, modify, and distribute
  20. this software, or portions hereof, for any purpose, without fee,
  21. subject to the following restrictions:
  22. 1. The origin of this software must not be misrepresented; you
  23. must not claim that you wrote the original software. If you
  24. use this software in a product, an acknowledgment in the product
  25. documentation would be appreciated, but is not required.
  26. 2. Altered source versions must be plainly marked as such, and must
  27. not be misrepresented as being the original software.
  28. 3. This Copyright notice may not be removed or altered from any
  29. source or altered source distribution.
  30. PNG Reference Library License version 1 (for libpng 0.5 through 1.6.35)
  31. -----------------------------------------------------------------------
  32. libpng versions 1.0.7, July 1, 2000, through 1.6.35, July 15, 2018 are
  33. Copyright (c) 2000-2002, 2004, 2006-2018 Glenn Randers-Pehrson, are
  34. derived from libpng-1.0.6, and are distributed according to the same
  35. disclaimer and license as libpng-1.0.6 with the following individuals
  36. added to the list of Contributing Authors:
  37. Simon-Pierre Cadieux
  38. Eric S. Raymond
  39. Mans Rullgard
  40. Cosmin Truta
  41. Gilles Vollant
  42. James Yu
  43. Mandar Sahastrabuddhe
  44. Google Inc.
  45. Vadim Barkov
  46. and with the following additions to the disclaimer:
  47. There is no warranty against interference with your enjoyment of
  48. the library or against infringement. There is no warranty that our
  49. efforts or the library will fulfill any of your particular purposes
  50. or needs. This library is provided with all faults, and the entire
  51. risk of satisfactory quality, performance, accuracy, and effort is
  52. with the user.
  53. Some files in the "contrib" directory and some configure-generated
  54. files that are distributed with libpng have other copyright owners, and
  55. are released under other open source licenses.
  56. libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are
  57. Copyright (c) 1998-2000 Glenn Randers-Pehrson, are derived from
  58. libpng-0.96, and are distributed according to the same disclaimer and
  59. license as libpng-0.96, with the following individuals added to the
  60. list of Contributing Authors:
  61. Tom Lane
  62. Glenn Randers-Pehrson
  63. Willem van Schaik
  64. libpng versions 0.89, June 1996, through 0.96, May 1997, are
  65. Copyright (c) 1996-1997 Andreas Dilger, are derived from libpng-0.88,
  66. and are distributed according to the same disclaimer and license as
  67. libpng-0.88, with the following individuals added to the list of
  68. Contributing Authors:
  69. John Bowler
  70. Kevin Bracey
  71. Sam Bushell
  72. Magnus Holmgren
  73. Greg Roelofs
  74. Tom Tanner
  75. Some files in the "scripts" directory have other copyright owners,
  76. but are released under this license.
  77. libpng versions 0.5, May 1995, through 0.88, January 1996, are
  78. Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.
  79. For the purposes of this copyright and license, "Contributing Authors"
  80. is defined as the following set of individuals:
  81. Andreas Dilger
  82. Dave Martindale
  83. Guy Eric Schalnat
  84. Paul Schmidt
  85. Tim Wegner
  86. The PNG Reference Library is supplied "AS IS". The Contributing
  87. Authors and Group 42, Inc. disclaim all warranties, expressed or
  88. implied, including, without limitation, the warranties of
  89. merchantability and of fitness for any purpose. The Contributing
  90. Authors and Group 42, Inc. assume no liability for direct, indirect,
  91. incidental, special, exemplary, or consequential damages, which may
  92. result from the use of the PNG Reference Library, even if advised of
  93. the possibility of such damage.
  94. Permission is hereby granted to use, copy, modify, and distribute this
  95. source code, or portions hereof, for any purpose, without fee, subject
  96. to the following restrictions:
  97. 1. The origin of this source code must not be misrepresented.
  98. 2. Altered versions must be plainly marked as such and must not
  99. be misrepresented as being the original source.
  100. 3. This Copyright notice may not be removed or altered from any
  101. source or altered source distribution.
  102. The Contributing Authors and Group 42, Inc. specifically permit,
  103. without fee, and encourage the use of this source code as a component
  104. to supporting the PNG file format in commercial products. If you use
  105. this source code in a product, acknowledgment is not required but would
  106. be appreciated.