Update README.html file (contact, authors, credits, etc.) and add more licenses.

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David Capello 2011-06-16 22:53:02 -03:00
parent 0f243056bb
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<!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Transitional//EN' 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd'><html lang="en" xml:lang="en" xmlns="http://www.w3.org/1999/xhtml">
<!DOCTYPE html>
<head>
<meta content="text/html; charset=utf-8" http-equiv="Content-Type"/>
<title>ASE | Allegro Sprite Editor</title>
<title>ASEPRITE</title>
<style text="text/css">
body { font-family:sans-serif; font-size:11pt; }
a { text-decoration:none; }
a:hover { text-decoration:underline; }
#page { width:600px; margin-left:auto; margin-right:auto; }
#title { font-size:20pt; }
#subtitle { font-size:12pt; color:#aaa; }
#title { font-size:20pt; color:#51b6cf; }
#subtitle { font-size:12pt; color:#aaf; }
#warning { font-size:12pt; color:#f77; background-color:#fee; border:1px solid #f77; padding:8px; margin:8px auto; width:80%; }
#footer { font-size:10pt; color:#aaa; border-top:1px solid #aaa; }
h1 { font-size:14pt; font-weight:bold; color:#080; }
@ -17,17 +17,15 @@
.author { margin-left:8px; }
.details { margin-left:16px; margin-bottom:8px; color:#aaa; }
.details a { display:block; }
.ideas { margin-left:16px; }
.library { margin:8px; background-color:#7ddbf3; border:4px solid #7ddbf3; border-radius:4px; }
.library-license { margin-left:16px; margin-bottom:8px; color:#aaa; display:none; }
pre { background-color:#e0f0e0; padding:8px; margin-left:32px; }
</style>
</head>
<body>
<div id="page">
<div id="title">
<span style="color:#f00">A</span><span style="color:#0a0">S</span><span style="color:#00f">E</span>
<span style="color:#aca">| Allegro Sprite Editor</span>
</div>
<div id="title">ASEPRITE</div>
<div id="subtitle">Copyright &copy; 2001-2011 David Capello</div>
<div id="warning">
THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY<br/>
@ -41,21 +39,19 @@
<a href="#configuration_files">Configuration Files</a><br/>
<a href="#contact_information">Contact Information</a><br/>
<a href="#license">License</a><br/>
<a style="margin-left:32px;" href="#legal_issues">Legal Issues</a><br/>
<a href="#authors">Authors</a><br/>
<a style="margin-left:32px;" href="#thankfulness">Thankfulness</a><br/>
</p>
<a name="introduction"></a><h1>INTRODUCTION</h1>
<p>
<b>ASE</b> is an open source program to create animated
<b>ASEPRITE</b> is an open source program to create animated
sprites. Sprites are little images that can be used in your website
or in a video game. You can draw characters with movement, intros,
textures, patterns, backgrounds, logos, color palettes, isometric
levels, etc.
</p>
<p>
What makes ASE different? It focuses on pixel editing, to do
What makes ASEPRITE different? It focuses on pixel editing, to do
pixel-art. Indeed, it isn't a photo retouching tool or a vector
graphics editor. Mainly it is a tool to create tiny animations
pixel-by-pixel.
@ -63,7 +59,7 @@
<a name="features"></a><h1>FEATURES</h1>
<p>
The biggest features of ASE are:
The biggest features of ASEPRITE are:
</p>
<p>
<ul>
@ -105,20 +101,20 @@
In Windows 98/2K/XP/Vista the main configuration file is
<em>aseprite.ini</em> which is saved in the same folder of
<em>aseprite.exe</em>
executable file (in this way ASE is a portable
executable file (in this way ASEPRITE is a portable
application, i.e. you can transport a copy of the program
in your USB drive).
</p>
<p>
The following is a list of all configuration files that you could
modify (it is not recommended to do so, but is useful if you want to
<em>super</em>-customize ASE):
<em>super</em>-customize ASEPRITE):
<p>
<p>
<pre>aseprite.ini Program configuration
data/gui.xml Menus, shortcuts, and tools
data/convmatr.def Convolutions matrices
data/skins/*.* ASE skins
data/skins/*.* ASEPRITE skins
data/widgets/*.xml XML files with dialogs</pre>
</p>
<p>
@ -136,10 +132,9 @@ data/widgets/*.xml XML files with dialogs</pre>
<p>We recommend you to use the SourceForge tracker to do specific reporting of issues:</p>
<p>
<ul>
<li><a href="http://sourceforge.net/tracker/?group_id=20848&atid=120848&func=add">Bugs</a></li>
<li><a href="http://sourceforge.net/tracker/?group_id=20848&atid=370848&func=add">Request features</a></li>
<li><a href="http://sourceforge.net/tracker/?group_id=20848&atid=320848&func=add">Patches</a></li>
<li><a href="http://sourceforge.net/tracker/?group_id=20848&atid=220848&func=add">Support request</a></li>
<li><a href="http://code.google.com/p/aseprite/issues/entry">Bugs</a></li>
<li><a href="http://code.google.com/p/aseprite/issues/entry?template=New%20feature">Request features</a></li>
<li><a href="http://groups.google.com/group/aseprite-discuss">ASEPRITE Group</a> (<a href="mailto:aseprite-discuss+subscribe@googlegroups.com">subscribe</a>)</li>
</ul>
</p>
<p>
@ -168,260 +163,113 @@ data/widgets/*.xml XML files with dialogs</pre>
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA
<p>
<a name="legal_issues"></a><h2>LEGAL ISSUES</h2>
<p>
<ul>
<li>ASE is distributed under <a href="http://www.opensource.org/licenses/gpl-2.0.php">GPL license</a>.</li>
<li>Jinete and Vaca are under <a href="http://www.opensource.org/licenses/bsd-license.php">BSD license</a>.</li>
<li>Allegro is giftware license (similar to <a href="http://www.opensource.org/licenses/mit-license.html">MIT license</a>).</li>
<li>ALFONT is under <a href="http://www.opensource.org/licenses/lgpl-2.1.php">LGPL license</a>.</li>
<li>Lua-5.0 is distributed under the <a href="http://www.opensource.org/licenses/mit-license.html">MIT license</a></li>
<li>GIMP is distributed under <a href="http://www.opensource.org/licenses/gpl-2.0.php">GPL license</a></li>
<li>GLib and GTK+ are distributed under <a href="http://www.opensource.org/licenses/lgpl-2.1.php">LGPL license</a>.</li>
<li>GFLI-1.3 is distributed under <a href="http://www.opensource.org/licenses/gpl-2.0.php">GPL license</a>.</li>
<li>Libart 2.3.3 is distributed under <a href="http://www.opensource.org/licenses/lgpl-2.1.php">LGPL license</a>.</li>
<li>Libintl is distributed under <a href="http://www.opensource.org/licenses/lgpl-2.1.php">LGPL license</a>.</li>
<li>The FreeType Project is distributed under <a href="http://freetype.sourceforge.net/FTL.TXT">FTL license</a>.</li>
<li>zlib & Libpng are under the <a href="http://www.opensource.org/licenses/zlib-license.php">ZLIB license</a>.</li>
</ul>
</p>
<a name="authors"></a><h1>AUTHORS</h1>
<div class="author">David Capello &lt;<a href="mailto:davidcapello@gmail.com">davidcapello@gmail.com</a>&gt;</div>
<div class="details">Programmer, designer, and maintainer.</div>
<div class="author">Ilija Melentijevic</div>
<div class="details">
New GUI skin (from ASE 0.8). A lot of good ideas for ASE 0.8.
New GUI skin (from ASEPRITE 0.8). A lot of good ideas.
<a href="http://ilkke.blogspot.com/">http://ilkke.blogspot.com/</a>
<a href="http://www.pixeljoint.com/p/9270.htm">http://www.pixeljoint.com/p/9270.htm</a>
</div>
<div class="author">Trent Gamblin</div>
<div class="details">Mac OS X packager.</div>
<p>
Thanks for ideas, patches, bugs report and contributions to:
Thanks to all the people which have contributed ideas, patches, bugs
report, feature requests, donations, and help me developing ASEPRITE.
</p>
<div class="ideas">
Alex&nbsp;Winter,
&Aacute;lvaro&nbsp;"Kronoman&nbsp;X"&nbsp;Gonz&aacute;lez,
Angelo&nbsp;Mottola,
Ben&nbsp;"entheh"&nbsp;Davis,
Carl&nbsp;Olsson,
Christer&nbsp;Sandberg,
Clayton&nbsp;Enga,
David&nbsp;Campo,
Elias&nbsp;"networm"&nbsp;Pschernig,
Elio&nbsp;Cuevas&nbsp;G&oacute;mez,
Emmanuel&nbsp;"God_Cells"&nbsp;Rousseau,
Hern&aacute;n&nbsp;Echegoyemberry,
Ilija&nbsp;"iLKke"&nbsp;Melentijevic,
Jon&nbsp;"kazzmir"&nbsp;Rafkind,
Jonathan&nbsp;Taylor,
Jorge&nbsp;Ram&iacute;rez&nbsp;Flores,
Juraj&nbsp;Michalek,
Manuel&nbsp;De&nbsp;Miguel&nbsp;Moreno,
Manuel&nbsp;"manuq"&nbsp;Qui&ntilde;ones,
Mateusz&nbsp;Czaplinski,
Nathan&nbsp;"whitedoor"&nbsp;Smith,
Nora&nbsp;Amendez,
Paul&nbsp;Pridham,
Peter&nbsp;"tjaden"&nbsp;Wang,
Philippe&nbsp;Michael&nbsp;Groarke,
Robert&nbsp;"Bob"&nbsp;J&nbsp;Ohannessian,
Scott&nbsp;Wilson,
Trent&nbsp;"trentg"&nbsp;Gamblin.
</div>
<a name="thankfulness"></a><h2>THANKFULNESS</h2>
<a name="thankfulness"></a><h2>CREDITS</h2>
<p>
Some people didn't contribute to the project in a direct way,
but their work was indispensable to make it real:
ASEPRITE uses libraries or parts of the original source code
of the following projects created by third-parties:
</p>
<div class="author">&Aacute;lvaro Gonz&aacute;lez</div>
<div class="details">
For color quantization routines (used in old versions of ASE).
<div class="library">
Allegro 4
| <a href="http://alleg.sourceforge.net/">homepage</a>
| <a href="docs/licenses/allegro4-LICENSE.txt">license</a>
</div>
<div class="author">Angelo Mottola</div>
<div class="details">
For the routines to load/save JPEG files with JPGalleg
(alternative use instead of libjpeg).
<div class="library">
FreeType
| <a href="http://www.freetype.org/">homepage</a>
| <a href="docs/licenses/FTL.txt">license</a>
</div>
<div class="author">Ben Davis</div>
<div class="details">
For color quantization routines (used in old versions of ASE).
<div class="library">
giflib
| <a href="http://sourceforge.net/projects/giflib/">homepage</a>
| <a href="docs/licenses/giflib-LICENSE.txt">license</a>
</div>
<div class="author">Billy Biggs and Lauris Kaplinski</div>
<div class="details">
For the help with the alpha blending routines.
<div class="library">
GIMP
| <a href="http://www.gimp.org/">homepage</a>
| <a href="docs/licenses/GPL.txt">license</a>
</div>
<div class="author">Csaba Biegl</div>
<div class="details">
For his ellipse routine in the GRX library (used in old versions
of ASE).
<div class="library">
GTK+
| <a href="http://www.gtk.org/">homepage</a>
| <a href="docs/licenses/LGPL-2.1.txt">license</a>
</div>
<div class="author">David Turner, Robert Wilhelm, and Werner Lemberg</div>
<div class="details">
For the FreeType project.
<a href="http://www.freetype.org/">http://www.freetype.org/</a>
<div class="library">
Google Test
| <a href="http://code.google.com/p/googletest/">homepage</a>
| <a href="docs/licenses/gtest-LICENSE.txt">license</a>
</div>
<div class="author">Derek Liauw Kie Fa and Robert J Ohannessian</div>
<div class="details">
for 2xSaI.
<div class="library">
libart
| <a href="http://www.levien.com/libart/">homepage</a>
| <a href="docs/licenses/LGPL-2.0.txt">license</a>
</div>
<div class="author">DJ Delorie</div>
<div class="details">
For the DJGPP port to DOS of the GNU software.
<a href="http://www.delorie.com/djgpp/">http://www.delorie.com/djgpp/</a>
<div class="library">
libgd
| <a href="http://www.libgd.org/">homepage</a>
| <a href="">license</a>
</div>
<div class="author">Elias Pschernig</div>
<div class="details">
For his excelent bresenham ellipse algorithm and to report some
nasty keyboard bugs. And his patch to load/save GIF files (used
in old versions of ASE).
<div class="library">
libjpeg
| <a href="http://www.ijg.org/">homepage</a>
| <a href="docs/license/libjpeg-LICENSE.txt">license</a>
</div>
<div class="author">Elver Loho</div>
<div class="details">
For port ASE to BeOS.
<div class="library">
libpng
| <a href="http://www.libpng.org/pub/png/">homepage</a>
| <a href="docs/licenses/libpng-LICENSE.txt">license</a>
</div>
<div class="author">Frank J. T. Wojcik, Guy Eric Schalnat, Andreas Dilger, Glenn
Randers-Pehrson</div>
<div class="details">
For libpng.
<div class="library">
loadpng
| <a href="">homepage</a>
| <a href="">license</a>
</div>
<div class="library">
tinyxml
| <a href="http://www.sourceforge.net/projects/tinyxml">homepage</a>
| <a href="docs/licenses/ZLIB.txt">license</a>
</div>
<div class="library">
XFree86
| <a href="http://www.x.org/">homepage</a>
| <a href="">license</a>
</div>
<div class="library">
zlib
| <a href="http://www.gzip.org/zlib/">homepage</a>
| <a href="docs/licenses/ZLIB.txt">license</a>
</div>
<div style="margin:16px 0px;">
Other parts of code by:
</div>
<div class="author">Gary Oberbrunner</div>
<div class="details">
For his code to quantize RGB images with ordered dither method.
</div>
<div class="author">Gershon Elber and Eric Raymond</div>
<div class="details">
And everyone who contributed to giflib.
Code to quantize RGB images with ordered dither method.
</div>
<div class="author">Javier Gonzalez</div>
<div class="details">
For his AllegroFont wrapper.
</div>
<div class="author">Jean-loup Gailly and Mark Adler</div>
<div class="details">
For zlib
</div>
<div class="author">Jens Ch. Restemeier</div>
<div class="details">
For GFLI, his code to save FLI files is just "amazing".
</div>
<div class="author">Jerry Coffin and HenkJan Wolthuis</div>
<div class="details">
For the hash table routines.
</div>
<div class="author">Johan Halmén and Anders "Trezker" Andersson</div>
<div class="details">
for mapgen (included in old ASE versions).
<a href="http://edu.loviisa.fi/~lg/jh/mapgen/">http://edu.loviisa.fi/~lg/jh/mapgen/</a>
<a href="http://www.angelfire.com/art/dumlesoft/Projects.html">http://www.angelfire.com/art/dumlesoft/Projects.html</a>
</div>
<div class="author">Jordan Russell and Martijn Laan</div>
<div class="details">
For Inno Setup.
<a href="http://www.innosetup.com/">http://www.innosetup.com/</a>
</div>
<div class="author">Jose Luis Torres Pantoja</div>
<div class="details">
For his gift, the book "Digital Image Processing, Gonzalez and
Woods, Addison-Wesley, 2002"
</div>
<div class="author">Juraj Michalek</div>
<div class="details">
For the support to ASE in his portal.
<a href="http://games.linux.sk/">http://games.linux.sk/</a>
</div>
<div class="author">Lee Thomason</div>
<div class="details">
For tinyxml library.
<a href="http://www.sourceforge.net/projects/tinyxml">http://www.sourceforge.net/projects/tinyxml</a>
</div>
<div class="author">Matthieu Haller and Kirsten Schulz</div>
<div class="details">
For filled polygon algorithm of GD library.
<a href="http://www.libgd.org/">http://www.libgd.org/</a>
</div>
<div class="author">Matthew Leverton</div>
<div class="details">
For his Allegro portal.
<a href="http://www.allegro.cc/">http://www.allegro.cc/</a>
</div>
<div class="author">Max Maischein</div>
<div class="details">
For the documents about various file formats of the Animator and
Animator Pro.
</div>
<div class="author">Mike Haaland</div>
<div class="details">
For his documentation about the FLI/FLC, COL, PIC, and MSK files
format.
</div>
<div class="author">Paúl Andrés "Ceniza" Jiménez</div>
<div class="details">
For his help in the translation of FULL-SCREEN.txt document.
</div>
<div class="author">Peter Wang</div>
<div class="details">
For his Red Pixel II game, it was very helpful for the scripting
routines. Also for loadpng library.
<a href="http://redpixel.sourceforge.net/">http://redpixel.sourceforge.net/</a>
<a href="http://tjaden.strangesoft.net/">http://tjaden.strangesoft.net/</a>
</div>
<div class="author">Raph Levien</div>
<div class="details">
For his excelent work with the libart library.
<a href="http://www.levien.com/divbart/">http://www.levien.com/divbart/</a>
</div>
<div class="author">Richard M. Stallman</div>
<div class="details">
For the Free Software Foundation, GNU and Emacs, and everyone
who contributed with free software.
<a href="http://www.fsf.org/">http://www.fsf.org/</a>
<a href="http://www.gnu.org/">http://www.gnu.org/</a>
<a href="http://www.emacs.org/">http://www.emacs.org/</a>
</div>
<div class="author">Robert Höhne</div>
<div class="details">
For the RHIDE enviroment.
<a href="http://www.lanet.lv/~pavenis/rhide.html">http://www.lanet.lv/~pavenis/rhide.html</a>
</div>
<div class="author">Salvador Eduardo Tropea</div>
<div class="details">
For the SETEdit editor (although I don't use it anymore, the
first months in Linux without it would have been impossibles)
<a href="http://setedit.sourceforge.net/">http://setedit.sourceforge.net/</a>
</div>
<div class="author">Shawn Hargreaves</div>
<div class="details">
And hundreds of people who helped in the Allegro library.
<a href="http://alleg.sourceforge.net/">http://alleg.sourceforge.net/</a>
</div>
<div class="author">Spencer Kimball and Peter Mattis</div>
<div class="details">
And a lot of people who contributed with The GIMP and GTK+. I
personally "borrow" source code for differents task in the
program.
<a href="http://www.gimp.org/">http://www.gimp.org/</a>
<a href="http://www.gtk.org/">http://www.gtk.org/</a>
</div>
<div class="author">The Independent JPEG Group</div>
<div class="details">
For the JPEG library to load/save Jpeg files.
<a href="ftp://ftp.uu.net/graphics/jpeg/">ftp://ftp.uu.net/graphics/jpeg/</a>
</div>
<div class="author">The Open Group</div>
<div class="details">
For XFree86.
<a href="http://www.x.org/">http://www.x.org/</a>
</div>
<div class="author">Waldemar Celes, Roberto Ierusalimschy, and Luiz Henrique de Figueiredo</div>
<div class="details">
For their excelent work with Lua.
<a href="http://www.lua.org/">http://www.lua.org/</a>
AllegroFont wrapper.
</div>
<div id="footer">Copyright &copy; 2001-2011 David Capello</div>
</div>
</body>
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Allegro is gift-ware. It was created by a number of people working in
cooperation, and is given to you freely as a gift. You may use,
modify, redistribute, and generally hack it about in any way you like,
and you do not have to give us anything in return.
However, if you like this product you are encouraged to thank us by
making a return gift to the Allegro community. This could be by
writing an add-on package, providing a useful bug report, making an
improvement to the library, or perhaps just releasing the sources of
your program so that other people can learn from them. If you
redistribute parts of this code or make a game using it, it would be
nice if you mentioned Allegro somewhere in the credits, but you are
not required to do this. We trust you not to abuse our generosity.
By Shawn Hargreaves, 18 October 1998.
DISCLAIMER: THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, TITLE AND
NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS 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.

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The GIFLIB distribution is Copyright (c) 1997 Eric S. Raymond
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

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Copyright 2008, Google Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
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* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
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The authors make NO WARRANTY or representation, either express or implied,
with respect to this software, its quality, accuracy, merchantability, or
fitness for a particular purpose. This software is provided "AS IS", and you,
its user, assume the entire risk as to its quality and accuracy.
This software is copyright (C) 1991-1998, Thomas G. Lane.
All Rights Reserved except as specified below.
Permission is hereby granted to use, copy, modify, and distribute this
software (or portions thereof) for any purpose, without fee, subject to these
conditions:
(1) If any part of the source code for this software is distributed, then this
README file must be included, with this copyright and no-warranty notice
unaltered; and any additions, deletions, or changes to the original files
must be clearly indicated in accompanying documentation.
(2) If only executable code is distributed, then the accompanying
documentation must state that "this software is based in part on the work of
the Independent JPEG Group".
(3) Permission for use of this software is granted only if the user accepts
full responsibility for any undesirable consequences; the authors accept
NO LIABILITY for damages of any kind.
These conditions apply to any software derived from or based on the IJG code,
not just to the unmodified library. If you use our work, you ought to
acknowledge us.
Permission is NOT granted for the use of any IJG author's name or company name
in advertising or publicity relating to this software or products derived from
it. This software may be referred to only as "the Independent JPEG Group's
software".
We specifically permit and encourage the use of this software as the basis of
commercial products, provided that all warranty or liability claims are
assumed by the product vendor.
ansi2knr.c is included in this distribution by permission of L. Peter Deutsch,
sole proprietor of its copyright holder, Aladdin Enterprises of Menlo Park, CA.
ansi2knr.c is NOT covered by the above copyright and conditions, but instead
by the usual distribution terms of the Free Software Foundation; principally,
that you must include source code if you redistribute it. (See the file
ansi2knr.c for full details.) However, since ansi2knr.c is not needed as part
of any program generated from the IJG code, this does not limit you more than
the foregoing paragraphs do.
The Unix configuration script "configure" was produced with GNU Autoconf.
It is copyright by the Free Software Foundation but is freely distributable.
The same holds for its supporting scripts (config.guess, config.sub,
ltconfig, ltmain.sh). Another support script, install-sh, is copyright
by M.I.T. but is also freely distributable.
It appears that the arithmetic coding option of the JPEG spec is covered by
patents owned by IBM, AT&T, and Mitsubishi. Hence arithmetic coding cannot
legally be used without obtaining one or more licenses. For this reason,
support for arithmetic coding has been removed from the free JPEG software.
(Since arithmetic coding provides only a marginal gain over the unpatented
Huffman mode, it is unlikely that very many implementations will support it.)
So far as we are aware, there are no patent restrictions on the remaining
code.
The IJG distribution formerly included code to read and write GIF files.
To avoid entanglement with the Unisys LZW patent, GIF reading support has
been removed altogether, and the GIF writer has been simplified to produce
"uncompressed GIFs". This technique does not use the LZW algorithm; the
resulting GIF files are larger than usual, but are readable by all standard
GIF decoders.
We are required to state that
"The Graphics Interchange Format(c) is the Copyright property of
CompuServe Incorporated. GIF(sm) is a Service Mark property of
CompuServe Incorporated."

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This copy of the libpng notices is provided for your convenience. In case of
any discrepancy between this copy and the notices in the file png.h that is
included in the libpng distribution, the latter shall prevail.
COPYRIGHT NOTICE, DISCLAIMER, and LICENSE:
If you modify libpng you may insert additional notices immediately following
this sentence.
This code is released under the libpng license.
libpng versions 1.2.6, August 15, 2004, through 1.5.2, March 31, 2011, are
Copyright (c) 2004, 2006-2011 Glenn Randers-Pehrson, and are
distributed according to the same disclaimer and license as libpng-1.2.5
with the following individual added to the list of Contributing Authors
Cosmin Truta
libpng versions 1.0.7, July 1, 2000, through 1.2.5 - October 3, 2002, are
Copyright (c) 2000-2002 Glenn Randers-Pehrson, 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
Gilles Vollant
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.
libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are
Copyright (c) 1998, 1999 Glenn Randers-Pehrson, 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
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
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.
A "png_get_copyright" function is available, for convenient use in "about"
boxes and the like:
printf("%s",png_get_copyright(NULL));
Also, the PNG logo (in PNG format, of course) is supplied in the
files "pngbar.png" and "pngbar.jpg (88x31) and "pngnow.png" (98x31).
Libpng is OSI Certified Open Source Software. OSI Certified Open Source is a
certification mark of the Open Source Initiative.
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
March 31, 2011