| ## libpng v1.6.57 |
|
|
| ### libpng License |
| <pre> |
|
|
| COPYRIGHT NOTICE, DISCLAIMER, and LICENSE |
| ========================================= |
|
|
| PNG Reference Library License version 2 |
| --------------------------------------- |
|
|
| Copyright (C) 1995-2026 The PNG Reference Library Authors. |
| Copyright (C) 2018-2026 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. |
| |
| * Adam Richter |
| * Alexander Smorkalov |
| * Andreas Dilger |
| * Chris Blume |
| * Cosmin Truta |
| * Dave Martindale |
| * Eric S. Raymond |
| * Gilles Vollant |
| * Glenn Randers-Pehrson |
| * Greg Roelofs |
| * Guy Eric Schalnat |
| * Halil Oktay |
| * James Yu |
| * John Bowler |
| * Joshua Inscoe |
| * Kevin Bracey |
| * Lucas Chollet |
| * Magnus Holmgren |
| * Mandar Sahastrabuddhe |
| * Manfred Schlaegl |
| * Mans Rullgard |
| * Matt Sarett |
| * Mike Klein |
| * Mohammad Seet |
| * Pascal Massimino |
| * Paul Schmidt |
| * Petr Simecek |
| * Philippe Antoine |
| * Qiang Zhou |
| * Sam Bushell |
| * Samuel Williams |
| * Simon-Pierre Cadieux |
| * Taegu Ha (하태구) |
| * Tim Wegner |
| * Tobias Stoeckmann |
| * Tom Lane |
| * Tom Tanner |
| * Vadim Barkov |
| * Willem van Schaik |
| * Yuelin Wang (王跃林) |
| * Zhijie Liang |
| * Apple Inc. |
| - Zixu Wang (王子旭) |
| * Arm Holdings |
| - Richard Townsend |
| * Google LLC |
| - Dan Field |
| - Dragoș Tiselice |
| - Leon Scroggins III |
| - Matt Sarett |
| - Mike Klein |
| - Sami Boukortt |
| - Wan-Teh Chang |
| * Loongson Technology Corporation Ltd. |
| - GuXiWei (顾希伟) |
| - JinBo (金波) |
| - ZhangLixia (张利霞) |
| * Samsung Group |
| - Filip Wasil |
| * SpacemiT Hangzhou Technology, Co. |
| - Liang Junzhao (梁俊钊) |
| |
| The build projects, the build scripts, the test scripts, and other |
| files in the "projects", "scripts" and "tests" directories, have |
| other copyright owners, but are released under the libpng license. |
| |
| Some files in the "ci" and "contrib" directories, as well as some |
| of the tools-generated files that are distributed with libpng, have |
| other copyright owners, and are released under other open source |
| licenses. |
| ``` |
|
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|
