REC-png.html
PNG (Portable Network Graphics) Specification
Version 1.0
W3C Recommendation 01-October-1996
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Editor
Thomas Boutell, boutell@boutell.com
Contributing Editor
Tom Lane, tgl@sss.pgh.pa.us
Authors
Authors' names are presented in alphabetical order.
- Mark Adler,
madler@alumni.caltech.edu
- Thomas Boutell,
boutell@boutell.com
- Christian Brunschen,
cb@df.lth.se
- Adam M. Costello,
amc@cs.berkeley.edu
- Lee Daniel Crocker,
lee@piclab.com
- Andreas Dilger,
adilger@enel.ucalgary.ca
- Oliver Fromme,
fromme@rz.tu-clausthal.de
- Jean-loup Gailly, gzip@prep.ai.mit.edu
- Chris Herborth, chrish@qnx.com
- Alex Jakulin, Aleks.Jakulin@snet.fri.uni-lj.si
- Neal Kettler,
kettler@cs.colostate.edu
- Tom Lane, tgl@sss.pgh.pa.us
- Alexander Lehmann,
alex@hal.rhein-main.de
- Chris Lilley,
chris@w3.org
- Dave Martindale, davem@cs.ubc.ca
- Owen Mortensen, 104707.650@compuserve.com
- Keith S. Pickens, ksp@swri.edu
- Robert P. Poole, lionboy@primenet.com
- Glenn Randers-Pehrson,
glennrp@arl.mil or randeg@alumni.rpi.edu
- Greg Roelofs, newt@pobox.com
- Willem van Schaik, willem@gintic.gov.sg
- Guy Schalnat
- Paul Schmidt, pschmidt@photodex.com
- Tim Wegner, 71320.675@compuserve.com
- Jeremy Wohl, jeremyw@anders.com
The authors wish to acknowledge the contributions of the Portable
Network Graphics mailing list, the readers of comp.graphics, and
the members of the World Wide Web Consortium
(W3C).
The Adam7 interlacing scheme is not patented and it is not the
intention of the originator of that scheme to patent it. The scheme
may be freely used by all PNG implementations. The name "Adam7" may
be freely used to describe interlace method 1 of the PNG specification.
Trademarks
GIF is a service mark of CompuServe Incorporated.
IBM PC is a trademark of International Business Machines Corporation.
Macintosh is a trademark of Apple Computer, Inc.
Microsoft and MS-DOS are trademarks of Microsoft Corporation.
PhotoCD is a trademark of Eastman Kodak Company.
PostScript and TIFF are trademarks of Adobe Systems Incorporated.
SGI is a trademark of Silicon Graphics, Inc.
X Window System is a trademark of the Massachusetts Institute of
Technology.
COPYRIGHT NOTICE
Copyright © 1996 by: Massachusetts Institute of Technology (MIT)
This W3C specification is being provided by the copyright holders under
the following license. By obtaining, using and/or copying this
specification, you agree that you have read, understood, and will
comply with the following terms and conditions:
Permission to use, copy, and distribute this specification
for any purpose and without fee or royalty is hereby
granted, provided that the full text of this NOTICE appears on
ALL copies of the specification or portions
thereof, including modifications, that you make.
THIS SPECIFICATION IS PROVIDED "AS IS," AND COPYRIGHT HOLDERS MAKE
NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED. BY WAY OF
EXAMPLE, BUT NOT LIMITATION, COPYRIGHT HOLDERS MAKE NO REPRESENTATIONS
OR WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE
OR THAT THE USE OF THE SPECIFICATION WILL NOT
INFRINGE ANY THIRD PARTY PATENTS, COPYRIGHTS, TRADEMARKS OR OTHER
RIGHTS. COPYRIGHT HOLDERS WILL BEAR NO LIABILITY FOR ANY USE OF THIS
SPECIFICATION.
The name and trademarks of copyright holders may NOT be
used in advertising or publicity pertaining to the specification
without specific, written prior permission. Title to copyright in
this specification and any associated documentation will at all times
remain with copyright holders.
End of PNG Specification
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