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INSTRUMENTS AND CONTROLS
134
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 [email protected]
April 15, 2002
MIT License
Copyright (c) <year> <copyright holders>
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.
zlib License
The zlib/libpng License Copyright (c) <year>
<copyright holders>
This software is provided 'as-is', without any
express or implied warranty. In no event will the
authors be held liable for any damages arising
from the use of this software.
Permission is granted to anyone to use this
software for any purpose, including commercial
applications, and to alter it and redistribute it
freely, 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 notice may not be removed or altered
from any source distribution.
SGI Free Software B License Version
2.0.
SGI FREE SOFTWARE LICENSE B (Version 2.0,
Sept. 18, 2008)
Copyright (C) [dates of first publication] Silicon
Graphics, Inc. All Rights Reserved. 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
including the dates of first publication and either
this permission notice or a reference to http://
oss.sgi.com/projects/FreeB/ 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
SILICON GRAPHICS, INC. BE LIABLE FOR ANY
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