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PANTALLAS Y CONTROL POR VOZ
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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
106
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 randeg@alum.rpi.edu
April 15, 2002
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