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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Qt Toolkit -  Licenses for Code Used in Qt</title><style type="text/css"><!--h3.fn,span.fn { margin-left: 1cm; text-indent: -1cm; }a:link { color: #004faf; text-decoration: none }a:visited { color: #672967; text-decoration: none }body { background: white; color: black; }--></style></head><body bgcolor="#ffffff"><p><table width="100%"><tr><td><a href="index.html"><img width="100" height="100" src="qtlogo.png"alt="Home" border="0"><img width="100"height="100" src="face.png" alt="Home" border="0"></a><td valign="top"><div align="right"><img src="dochead.png" width="472" height="27"><br><a href="classes.html"><b>Classes</b></a>- <a href="annotated.html">Annotated</a>- <a href="hierarchy.html">Tree</a>- <a href="functions.html">Functions</a>- <a href="index.html">Home</a>- <a href="topicals.html"><b>Structure</b>  <font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" align="center" size=32>Qte</font></a></div></table><h1 align="center"> Licenses for Code Used in Qt</h1><br clear="all">Qt contains a little code that is not under the<a href="license.html">QPL</a>,the <a href=gpl.html>GPL</a>,or the Qt Commercial License Agreement, but ratherunder specific highly permissive license from the original authors.This page lists the licenses used for that code, names the authors,and links to the points where it is used.<p>Trolltech gratefully acknowledges these and others contribution toQt.  We recommend that all programs that use Qt also acknowledge thesecontributions, and quote all these license statements in an appendixto the documentation.<p><hr>Copyright (C) 1989, 1991 by Jef Poskanzer.<p>Permission to use, copy, modify, and distribute this software and its  documentation for any purpose and without fee is hereby granted, provided  that the above copyright notice appear in all copies and that both that  copyright notice and this permission notice appear in supporting  documentation.  This software is provided "as is" without express or  implied warranty.<p><ul><li><a href="qimage.html#239910">QImage::smoothScale</a></ul><p><hr>Copyright (c) 1999 Serika Kurusugawa, All rights reserved.<p>Redistribution and use in source and binary forms, with or without  modification, are permitted provided that the following conditions  are met: <ol>  <li> Redistributions of source code must retain the above copyright     notice, this list of conditions and the following disclaimer.  <li> Redistributions in binary form must reproduce the above copyright     notice, this list of conditions and the following disclaimer in the     documentation and/or other materials provided with the distribution.  </ol><p>THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE  ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS  OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY  OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF  SUCH DAMAGE.<p><ul><li><a href="qeucjpcodec.html">QEucJpCodec</a><li><a href="qjiscodec.html">QJisCodec</a><li><a href="qjpunicodeconv.html">QJpUnicodeConv</a><li><a href="qsjiscodec.html">QSjisCodec</a></ul><p><hr>Copyright (c) 1999-2000 Mizi Research Inc., All rights reserved.<p>Redistribution and use in source and binary forms, with or without  modification, are permitted provided that the following conditions  are met: <ol>  <li> Redistributions of source code must retain the above copyright     notice, this list of conditions and the following disclaimer.  <li> Redistributions in binary form must reproduce the above copyright     notice, this list of conditions and the following disclaimer in the     documentation and/or other materials provided with the distribution.  </ol><p>THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE  ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS  OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY  OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF  SUCH DAMAGE.<p><ul><li><a href="qeuckrcodec.html">QEucKrCodec</a></ul><p><hr>Copyright 1996 Daniel Dardailler.<p>Permission to use, copy, modify, distribute, and sell this software  for any purpose is hereby granted without fee, provided that the above  copyright notice appear in all copies and that both that copyright  notice and this permission notice appear in supporting documentation,  and that the name of Daniel Dardailler not be used in advertising or  publicity pertaining to distribution of the software without specific,  written prior permission.  Daniel Dardailler makes no representations  about the suitability of this software for any purpose.  It is  provided "as is" without express or implied warranty.<p>Modifications Copyright 1999 Matt Koss, under the same license as  above.<p><ul><li><a href="dnd.html">Drag and Drop</a></ul><p><hr>Copyright 2000 Hans Petter Bieker <bieker@kde.org>. All rights reserved.<p>Redistribution and use in source and binary forms, with or without  modification, are permitted provided that the following conditions  are met:<ol>  <li> Redistributions of source code must retain the above copyright        notice, this list of conditions and the following disclaimer.  <li> Redistributions in binary form must reproduce the above copyright        notice, this list of conditions and the following disclaimer in the        documentation and/or other materials provided with the distribution.  </ol><p>THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE  ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS  OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY  OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF  SUCH DAMAGE.<p><ul><li><a href="qtsciicodec.html">QTsciiCodec</a></ul><p><hr>Copyright 2000 TurboLinux, Inc.  Written by Justin Yu and Sean Chen.<p>Redistribution and use in source and binary forms, with or without  modification, are permitted provided that the following conditions  are met:<ol>  <li> Redistributions of source code must retain the above copyright       notice, this list of conditions and the following disclaimer.  <li> Redistributions in binary form must reproduce the above copyright       notice, this list of conditions and the following disclaimer in the       documentation and/or other materials provided with the distribution.  </ol><p>THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE  ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS  OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY  OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF  SUCH DAMAGE.<p><ul><li><a href="qgbkcodec.html">QGbkCodec</a></ul><p><hr>Qt supports GIF reading, if it is configured that way during  installation (see qgif.h). If it is, 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.".<p><ul><li><a href="qimagedecoder.html">QImageDecoder</a></ul><p><hr>Some functions in QRegion are copyright (c) 1987  X Consortium.  Please see src/3rdparty/kernel/qregion_qws.cpp for more information.<p>Some functions in QRegion for Qt/Embedded are copyright Digital  Equipment Corporation:<p>Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.<p>All Rights Reserved<p>Permission to use, copy, modify, and distribute this software and its  documentation for any purpose and without fee is hereby granted,  provided that the above copyright notice appear in all copies and that  both that copyright notice and this permission notice appear in  supporting documentation, and that the name of Digital not be used in  advertising or publicity pertaining to distribution of the software  without specific, written prior permission.<p>DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING  ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL  DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR  ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,  WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,  ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS  SOFTWARE.<p><ul><li><a href="qregion.html">QRegion</a></ul><p><hr>Transformations used in QPointArray are based on parelarc.c from  Graphics Gems III  VanAken / Simar, "A Parametric Elliptical Arc Algorithm".<p><ul><li><a href="qpointarray.html">QPointArray</a></ul><p><p><address><hr><div align="center"><table width="100%" cellspacing="0" border="0"><tr><td>Copyright
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