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## libpng v1.6.39 | |
### libpng License | |
<pre> | |
COPYRIGHT NOTICE, DISCLAIMER, and LICENSE | |
========================================= | |
PNG Reference Library License version 2 | |
--------------------------------------- | |
Copyright (c) 1995-2022 The PNG Reference Library Authors. | |
Copyright (c) 2018-2022 Cosmin Truta | |
Copyright (c) 1998-2018 Glenn Randers-Pehrson | |
Copyright (c) 1996-1997 Andreas Dilger | |
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc. | |
The software is supplied "as is", without warranty of any kind, | |
express or implied, including, without limitation, the warranties | |
of merchantability, fitness for a particular purpose, title, and | |
non-infringement. In no event shall the Copyright owners, or | |
anyone distributing the software, be liable for any damages or | |
other liability, whether in contract, tort or otherwise, arising | |
from, out of, or in connection with the software, or the use or | |
other dealings in the software, even if advised of the possibility | |
of such damage. | |
Permission is hereby granted to use, copy, modify, and distribute | |
this software, or portions hereof, for any purpose, without fee, | |
subject to the following restrictions: | |
1. The origin of this software must not be misrepresented; you | |
must not claim that you wrote the original software. If you | |
use this software in a product, an acknowledgment in the product | |
documentation would be appreciated, but is not required. | |
2. Altered source versions must be plainly marked as such, and must | |
not be misrepresented as being the original software. | |
3. This Copyright notice may not be removed or altered from any | |
source or altered source distribution. | |
PNG Reference Library License version 1 (for libpng 0.5 through 1.6.35) | |
----------------------------------------------------------------------- | |
libpng versions 1.0.7, July 1, 2000, through 1.6.35, July 15, 2018 are | |
Copyright (c) 2000-2002, 2004, 2006-2018 Glenn Randers-Pehrson, are | |
derived from libpng-1.0.6, and are distributed according to the same | |
disclaimer and license as libpng-1.0.6 with the following individuals | |
added to the list of Contributing Authors: | |
Simon-Pierre Cadieux | |
Eric S. Raymond | |
Mans Rullgard | |
Cosmin Truta | |
Gilles Vollant | |
James Yu | |
Mandar Sahastrabuddhe | |
Google Inc. | |
Vadim Barkov | |
and with the following additions to the disclaimer: | |
There is no warranty against interference with your enjoyment of | |
the library or against infringement. There is no warranty that our | |
efforts or the library will fulfill any of your particular purposes | |
or needs. This library is provided with all faults, and the entire | |
risk of satisfactory quality, performance, accuracy, and effort is | |
with the user. | |
Some files in the "contrib" directory and some configure-generated | |
files that are distributed with libpng have other copyright owners, and | |
are released under other open source licenses. | |
libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are | |
Copyright (c) 1998-2000 Glenn Randers-Pehrson, are derived from | |
libpng-0.96, and are distributed according to the same disclaimer and | |
license as libpng-0.96, with the following individuals added to the | |
list of Contributing Authors: | |
Tom Lane | |
Glenn Randers-Pehrson | |
Willem van Schaik | |
libpng versions 0.89, June 1996, through 0.96, May 1997, are | |
Copyright (c) 1996-1997 Andreas Dilger, are derived from libpng-0.88, | |
and are distributed according to the same disclaimer and license as | |
libpng-0.88, with the following individuals added to the list of | |
Contributing Authors: | |
John Bowler | |
Kevin Bracey | |
Sam Bushell | |
Magnus Holmgren | |
Greg Roelofs | |
Tom Tanner | |
Some files in the "scripts" directory have other copyright owners, | |
but are released under this license. | |
libpng versions 0.5, May 1995, through 0.88, January 1996, are | |
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc. | |
For the purposes of this copyright and license, "Contributing Authors" | |
is defined as the following set of individuals: | |
Andreas Dilger | |
Dave Martindale | |
Guy Eric Schalnat | |
Paul Schmidt | |
Tim Wegner | |
The PNG Reference Library is supplied "AS IS". The Contributing | |
Authors and Group 42, Inc. disclaim all warranties, expressed or | |
implied, including, without limitation, the warranties of | |
merchantability and of fitness for any purpose. The Contributing | |
Authors and Group 42, Inc. assume no liability for direct, indirect, | |
incidental, special, exemplary, or consequential damages, which may | |
result from the use of the PNG Reference Library, even if advised of | |
the possibility of such damage. | |
Permission is hereby granted to use, copy, modify, and distribute this | |
source code, or portions hereof, for any purpose, without fee, subject | |
to the following restrictions: | |
1. The origin of this source code must not be misrepresented. | |
2. Altered versions must be plainly marked as such and must not | |
be misrepresented as being the original source. | |
3. This Copyright notice may not be removed or altered from any | |
source or altered source distribution. | |
The Contributing Authors and Group 42, Inc. specifically permit, | |
without fee, and encourage the use of this source code as a component | |
to supporting the PNG file format in commercial products. If you use | |
this source code in a product, acknowledgment is not required but would | |
be appreciated. | |
TRADEMARK | |
========= | |
The name "libpng" has not been registered by the Copyright owners | |
as a trademark in any jurisdiction. However, because libpng has | |
been distributed and maintained world-wide, continually since 1995, | |
the Copyright owners claim "common-law trademark protection" in any | |
jurisdiction where common-law trademark is recognized. | |
</pre> | |
### AUTHORS File Information | |
``` | |
PNG REFERENCE LIBRARY AUTHORS | |
============================= | |
This is the list of PNG Reference Library ("libpng") Contributing | |
Authors, for copyright and licensing purposes. | |
* Andreas Dilger | |
* Cosmin Truta | |
* Dave Martindale | |
* Eric S. Raymond | |
* Gilles Vollant | |
* Glenn Randers-Pehrson | |
* Greg Roelofs | |
* Guy Eric Schalnat | |
* James Yu | |
* John Bowler | |
* Kevin Bracey | |
* Magnus Holmgren | |
* Mandar Sahastrabuddhe | |
* Mans Rullgard | |
* Matt Sarett | |
* Mike Klein | |
* Pascal Massimino | |
* Paul Schmidt | |
* Qiang Zhou | |
* Sam Bushell | |
* Samuel Williams | |
* Simon-Pierre Cadieux | |
* Tim Wegner | |
* Tom Lane | |
* Tom Tanner | |
* Vadim Barkov | |
* Willem van Schaik | |
* Zhijie Liang | |
* Arm Holdings | |
- Richard Townsend | |
* Google Inc. | |
- Dan Field | |
- Leon Scroggins III | |
- Matt Sarett | |
- Mike Klein | |
- Sami Boukortt | |
The build projects, the build scripts, the test scripts, and other | |
files in the "ci", "projects", "scripts" and "tests" directories, have | |
other copyright owners, but are released under the libpng license. | |
Some files in the "contrib" directory, and some tools-generated files | |
that are distributed with libpng, have other copyright owners, and are | |
released under other open source licenses. | |
``` | |