Eric S. Raymond
Gilles Vollant
and with the foll owing additions to the disc laimer:
There is no warranty against interference wi th your enjoyment of the l ibrary or against infringement. There is
no warranty that our ef forts or the library wi ll fulfill any of your particular purpose s or needs. This libr ary is
provided with all fault s, and the entire ri sk of satisfactory qualit y, performance, accura cy, and effort is with
the user.
libpng versions 0.97, Januar y 1998, through 1.0.6, March 20, 2000, are Copyright © 1998, 1999 Glenn
Randers-Pehrson, and are di stributed according to the same disclaimer and license as li bpng-0.96, with the
following individual s added to the list of Contribut ing Authors:
Tom Lane
Glenn Randers-Pehrson
Willem van Schaik
libpng versions 0.89, June 1996, through 0.96, May 1997, are Copyri ght © 1996, 1997 Andreas Dilger
Distributed accordi ng to the same di sclaimer and license as libpng-0.88, with the following indi viduals added to
the list of Contributi ng Authors:
John Bowler
Kevin Bracey
Sam Bushell
Magnus Holmgren
Greg Roelofs
Tom Tanner
libpng versions 0.5, May 1 995, through 0.88, January 1996, are Copy right © 1995, 1996 Guy Eric Schalnat ,
Group 42, Inc.
For the purposes of thi s copyright and license, “Cont ributing Authors” is defi ned as the following set of
individuals:
Andreas Dilger
Dave Martindale
Guy Eric Schalnat
Paul Schmidt
Tim Wegner
The PNG Reference Library is suppl ied “AS IS”. The Contributing Authors and Group 42, Inc. discl aim all
warranties, expressed or implied, including, without limitation, the warr anties of merchantability and of fitness
for any purpose. Th e Contributing Authors an d Group 42, Inc. assume no liability for direct, indirect , incidental,
special, exemplary, or consequential damages, which may re sult from the use of the PNG Reference Librar y,
even if advised of the poss ibility of such damage.
Permission is her eby granted to use, copy, modify, and distri bute this source code, o r portions hereof, for any
purpose, without fee, su bject to the foll owing restrictions:
1. The origin of this sour ce code must not be misrepresented.
2. Altered versions must be plai nly marked as such and must not be misrepr esented as being the origina l
source.
3. This Copyright notice may not be removed or altered from any sour ce or altered source distri bution.
The Contributing Authors a nd Group 42, Inc. specificall y permit, without fee, and encour age the use of this
source code as a component to supporting the PNG file format in commer cial products. If you use this source
code in a product, ackn owledgment is not required but would be appreciated.
A “png_get_copyright” f unction is available, for conven ient use in “about” boxes and t he like:
printf(“%s”,png_get _copyright(NULL));Also, t he PNG logo (in PNG format, of course) is supplied in the files
“pngbar.png” and “pngbar.j pg (88x31) and “pngnow.png” (98x31 ).
Libpng is OSI Certifi ed Open Source Software. OSI Certified Open Sou rce is a certificat ion mark of the Open
Source Init iative.
Glenn Randers-Pehrson
glennrp at users.source forge.net
2-Apr-08
Ex pat
Copyright © 1998, 1999, 2000 Th ai Open Source Software Center Ltd
Permission is hereby granted, free of char ge, to any person obtaining a copy of this software and associated
documentation files ( the “Software”), to deal in the Software without restr iction, including wi thout limitation the
rights to use, cop y, modify, merge, publish, distribute, subli cense, and/or sell copies of the Software, and to
permit persons to whom th e Software is furnished to do so, subject to the fol lowing conditions:
The above copyright notice and this permis sion notice shall be included in all copi es or substantial por tions of
the Softw are.
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.
GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright © 1989, 1991 Free Software Foundat ion, Inc., 51 Franklin Street , Fifth Floor, Boston, MA 02110-13 01
USA
Everyone is permitt ed to copy and distribute ver batim copies of this li cense document, but changing i t is not
allowed.
Preamble
The licenses for most software are designed to take away your freedom to share and change it. By contrast,
the GNU General Public Licens e is intended to guarantee y our freedom to share and chang e free software - to
make sure the software is fr ee for all its users. This General Public Lice nse applies to most of the Free Softwar e
Foundation’s softwa re and to any other program whose authors commit to us ing it. (Some other Free Software
Foundation software i s covered by the GNU Lesser Gene ral Public License inst ead.) You can apply it to your
programs, too.
When we speak of free software, we a re referring to freedom, not pri ce. Our General Public Licenses are
designed to make sure that you have the freedom to dist ribute copies of free soft ware (and charge for this
service if you wish), that you recei ve source code or can get it if you want it, that you can change the software
or use pieces of it in new free programs; and that y ou know you can do these things.
To protect your ri ghts, we need to make restrict ions that forbid any one to deny you these rights or t o ask you
to surrender the r ights. These restriction s translate to cert ain responsibiliti es for you if you distri bute copies of
the software, or if you modify it.
For example, if you dist ribute copies of such a progr am, whether gratis or for a f ee, you must give the recipi ents
all the rights that you have. You must make sure that they, too, receive or can ge t the source code. And you
must show them these terms so t hey know their rights.
We protect your rights wi th two steps: (1) co pyright the software, and (2) offer you this license which gives you
legal permission to copy, distribute and/ or modify the software.
Also, for each author’s prot ection and ours, we want to make certain that ever yone understands that there is no
warrant y for this free sof tware. I f the soft ware i s modifi ed by so meone el se and p assed o n, we wa nt its
recipients to know that what they have is not the origin al, so that any prob lems introduced by others will not
reflect on the origi nal authors’ reputations.
Finally, any fr ee program is threatened const antly by software paten ts. We wish to avoid the danger th at
redistributors of a free program will individually obtai n patent licenses, in effect making the program propri etary.
To prevent this, we have made it clear that any patent must be licensed for everyone’s f ree use or not licensed
BCS-FS500_No.boo k 50 ページ 2009年9 月11日 金 曜日 午後3 時41分