<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <!-- qssldiffiehellmanparameters.cpp --> <title>QSslDiffieHellmanParameters Class | Qt Network 5.12.6</title> <link rel="stylesheet" type="text/css" href="style/offline-simple.css" /> <script type="text/javascript"> document.getElementsByTagName("link").item(0).setAttribute("href", "style/offline.css"); // loading style sheet breaks anchors that were jumped to before // so force jumping to anchor again setTimeout(function() { var anchor = location.hash; // need to jump to different anchor first (e.g. none) location.hash = "#"; setTimeout(function() { location.hash = anchor; }, 0); }, 0); </script> </head> <body> <div class="header" id="qtdocheader"> <div class="main"> <div class="main-rounded"> <div class="navigationbar"> <table><tr> <td >Qt 5.12</td><td ><a href="qtnetwork-index.html">Qt Network</a></td><td ><a href="qtnetwork-module.html">C++ Classes</a></td><td >QSslDiffieHellmanParameters</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtnetwork-index.html">Qt 5.12.6 Reference Documentation</a></td> </tr></table> </div> </div> <div class="content"> <div class="line"> <div class="content mainContent"> <div class="sidebar"> <div class="toc"> <h3><a name="toc">Contents</a></h3> <ul> <li class="level1"><a href="#public-types">Public Types</a></li> <li class="level1"><a href="#public-functions">Public Functions</a></li> <li class="level1"><a href="#static-public-members">Static Public Members</a></li> <li class="level1"><a href="#related-non-members">Related Non-Members</a></li> <li class="level1"><a href="#details">Detailed Description</a></li> </ul> </div> <div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">QSslDiffieHellmanParameters Class</h1> <!-- $$$QSslDiffieHellmanParameters-brief --> <p>The <a href="qssldiffiehellmanparameters.html">QSslDiffieHellmanParameters</a> class provides an interface for Diffie-Hellman parameters for servers. <a href="#details">More...</a></p> <!-- @@@QSslDiffieHellmanParameters --> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QSslDiffieHellmanParameters></span> </td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> QT += network</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Since:</td><td class="memItemRight bottomAlign"> Qt 5.8</td></tr></table></div><ul> <li><a href="qssldiffiehellmanparameters-members.html">List of all members, including inherited members</a></li> </ul> <p><b>Note:</b> All functions in this class are reentrant.</p> <a name="public-types"></a> <h2 id="public-types">Public Types</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> enum </td><td class="memItemRight bottomAlign"><b><a href="qssldiffiehellmanparameters.html#Error-enum">Error</a></b> { NoError, InvalidInputDataError, UnsafeParametersError }</td></tr> </table></div> <a name="public-functions"></a> <h2 id="public-functions">Public Functions</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qssldiffiehellmanparameters.html#QSslDiffieHellmanParameters">QSslDiffieHellmanParameters</a></b>()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qssldiffiehellmanparameters.html#QSslDiffieHellmanParameters-1">QSslDiffieHellmanParameters</a></b>(const QSslDiffieHellmanParameters &<i>other</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qssldiffiehellmanparameters.html#QSslDiffieHellmanParameters-2">QSslDiffieHellmanParameters</a></b>(QSslDiffieHellmanParameters &&<i>other</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qssldiffiehellmanparameters.html#dtor.QSslDiffieHellmanParameters">~QSslDiffieHellmanParameters</a></b>()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> QSslDiffieHellmanParameters::Error </td><td class="memItemRight bottomAlign"><b><a href="qssldiffiehellmanparameters.html#error">error</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> QString </td><td class="memItemRight bottomAlign"><b><a href="qssldiffiehellmanparameters.html#errorString">errorString</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qssldiffiehellmanparameters.html#isEmpty">isEmpty</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qssldiffiehellmanparameters.html#isValid">isValid</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qssldiffiehellmanparameters.html#swap">swap</a></b>(QSslDiffieHellmanParameters &<i>other</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> QSslDiffieHellmanParameters &</td><td class="memItemRight bottomAlign"><b><a href="qssldiffiehellmanparameters.html#operator-eq">operator=</a></b>(const QSslDiffieHellmanParameters &<i>other</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> QSslDiffieHellmanParameters &</td><td class="memItemRight bottomAlign"><b><a href="qssldiffiehellmanparameters.html#operator-eq-1">operator=</a></b>(QSslDiffieHellmanParameters &&<i>other</i>)</td></tr> </table></div> <a name="static-public-members"></a> <h2 id="static-public-members">Static Public Members</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> QSslDiffieHellmanParameters </td><td class="memItemRight bottomAlign"><b><a href="qssldiffiehellmanparameters.html#defaultParameters">defaultParameters</a></b>()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> QSslDiffieHellmanParameters </td><td class="memItemRight bottomAlign"><b><a href="qssldiffiehellmanparameters.html#fromEncoded">fromEncoded</a></b>(const QByteArray &<i>encoded</i>, QSsl::EncodingFormat <i>encoding</i> = QSsl::Pem)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> QSslDiffieHellmanParameters </td><td class="memItemRight bottomAlign"><b><a href="qssldiffiehellmanparameters.html#fromEncoded-1">fromEncoded</a></b>(QIODevice *<i>device</i>, QSsl::EncodingFormat <i>encoding</i> = QSsl::Pem)</td></tr> </table></div> <a name="related-non-members"></a> <h2 id="related-non-members">Related Non-Members</h2> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> uint </td><td class="memItemRight bottomAlign"><b><a href="qssldiffiehellmanparameters.html#qHash">qHash</a></b>(const QSslDiffieHellmanParameters &<i>dhparam</i>, uint <i>seed</i> = 0)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> QDebug </td><td class="memItemRight bottomAlign"><b><a href="qssldiffiehellmanparameters.html#operator-lt-lt">operator<<</a></b>(QDebug <i>debug</i>, const QSslDiffieHellmanParameters &<i>dhparam</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qssldiffiehellmanparameters.html#operator-eq-eq">operator==</a></b>(const QSslDiffieHellmanParameters &<i>lhs</i>, const QSslDiffieHellmanParameters &<i>rhs</i>)</td></tr> </table></div> <a name="details"></a> <!-- $$$QSslDiffieHellmanParameters-description --> <div class="descr"> <h2 id="details">Detailed Description</h2> <p>The <a href="qssldiffiehellmanparameters.html">QSslDiffieHellmanParameters</a> class provides an interface for Diffie-Hellman parameters for servers.</p> <p><a href="qssldiffiehellmanparameters.html">QSslDiffieHellmanParameters</a> provides an interface for setting Diffie-Hellman parameters to servers based on <a href="qsslsocket.html">QSslSocket</a>.</p> </div> <p><b>See also </b><a href="qsslsocket.html">QSslSocket</a>, <a href="qsslcipher.html">QSslCipher</a>, and <a href="qsslconfiguration.html">QSslConfiguration</a>.</p> <!-- @@@QSslDiffieHellmanParameters --> <div class="types"> <h2>Member Type Documentation</h2> <!-- $$$Error$$$NoError$$$InvalidInputDataError$$$UnsafeParametersError --> <h3 class="fn" id="Error-enum"><a name="Error-enum"></a>enum QSslDiffieHellmanParameters::<span class="name">Error</span></h3> <p>Describes a <a href="qssldiffiehellmanparameters.html">QSslDiffieHellmanParameters</a> error.</p> <div class="table"><table class="valuelist"><tr valign="top" class="odd"><th class="tblConst">Constant</th><th class="tblval">Value</th><th class="tbldscr">Description</th></tr> <tr><td class="topAlign"><code>QSslDiffieHellmanParameters::NoError</code></td><td class="topAlign tblval"><code>0</code></td><td class="topAlign">No error occurred.</td></tr> <tr><td class="topAlign"><code>QSslDiffieHellmanParameters::InvalidInputDataError</code></td><td class="topAlign tblval"><code>1</code></td><td class="topAlign">The given input data could not be used to construct a <a href="qssldiffiehellmanparameters.html">QSslDiffieHellmanParameters</a> object.</td></tr> <tr><td class="topAlign"><code>QSslDiffieHellmanParameters::UnsafeParametersError</code></td><td class="topAlign tblval"><code>2</code></td><td class="topAlign">The Diffie-Hellman parameters are unsafe and should not be used.</td></tr> </table></div> <!-- @@@Error --> </div> <div class="func"> <h2>Member Function Documentation</h2> <!-- $$$QSslDiffieHellmanParameters[overload1]$$$QSslDiffieHellmanParameters --> <h3 class="fn" id="QSslDiffieHellmanParameters"><a name="QSslDiffieHellmanParameters"></a>QSslDiffieHellmanParameters::<span class="name">QSslDiffieHellmanParameters</span>()</h3> <p>Constructs an empty <a href="qssldiffiehellmanparameters.html">QSslDiffieHellmanParameters</a> instance.</p> <p>If an empty <a href="qssldiffiehellmanparameters.html">QSslDiffieHellmanParameters</a> instance is set on a <a href="qsslconfiguration.html">QSslConfiguration</a> object, Diffie-Hellman negotiation will be disabled.</p> <p><b>See also </b><a href="qssldiffiehellmanparameters.html#isValid">isValid</a>() and <a href="qsslconfiguration.html">QSslConfiguration</a>.</p> <!-- @@@QSslDiffieHellmanParameters --> <!-- $$$QSslDiffieHellmanParameters$$$QSslDiffieHellmanParametersconstQSslDiffieHellmanParameters& --> <h3 class="fn" id="QSslDiffieHellmanParameters-1"><a name="QSslDiffieHellmanParameters-1"></a>QSslDiffieHellmanParameters::<span class="name">QSslDiffieHellmanParameters</span>(const <span class="type"><a href="qssldiffiehellmanparameters.html#QSslDiffieHellmanParameters">QSslDiffieHellmanParameters</a></span> &<i>other</i>)</h3> <p>Constructs an identical copy of <i>other</i>.</p> <!-- @@@QSslDiffieHellmanParameters --> <!-- $$$QSslDiffieHellmanParameters$$$QSslDiffieHellmanParametersQSslDiffieHellmanParameters&& --> <h3 class="fn" id="QSslDiffieHellmanParameters-2"><a name="QSslDiffieHellmanParameters-2"></a>QSslDiffieHellmanParameters::<span class="name">QSslDiffieHellmanParameters</span>(<span class="type"><a href="qssldiffiehellmanparameters.html#QSslDiffieHellmanParameters">QSslDiffieHellmanParameters</a></span> &&<i>other</i>)</h3> <p>Move-constructs from <i>other</i>.</p> <p><b>Note: </b>The moved-from object <i>other</i> is placed in a partially-formed state, in which the only valid operations are destruction and assignment of a new value.</p><!-- @@@QSslDiffieHellmanParameters --> <!-- $$$~QSslDiffieHellmanParameters[overload1]$$$~QSslDiffieHellmanParameters --> <h3 class="fn" id="dtor.QSslDiffieHellmanParameters"><a name="dtor.QSslDiffieHellmanParameters"></a>QSslDiffieHellmanParameters::<span class="name">~QSslDiffieHellmanParameters</span>()</h3> <p>Destroys the <a href="qssldiffiehellmanparameters.html">QSslDiffieHellmanParameters</a> object.</p> <!-- @@@~QSslDiffieHellmanParameters --> <!-- $$$defaultParameters[overload1]$$$defaultParameters --> <h3 class="fn" id="defaultParameters"><a name="defaultParameters"></a><code>[static] </code><span class="type"><a href="qssldiffiehellmanparameters.html#QSslDiffieHellmanParameters">QSslDiffieHellmanParameters</a></span> QSslDiffieHellmanParameters::<span class="name">defaultParameters</span>()</h3> <p>Returns the default <a href="qssldiffiehellmanparameters.html">QSslDiffieHellmanParameters</a> used by <a href="qsslsocket.html">QSslSocket</a>.</p> <p>This is currently the 1024-bit MODP group from RFC 2459, also known as the Second Oakley Group.</p> <!-- @@@defaultParameters --> <!-- $$$error[overload1]$$$error --> <h3 class="fn" id="error"><a name="error"></a><span class="type"><a href="qssldiffiehellmanparameters.html#Error-enum">QSslDiffieHellmanParameters::Error</a></span> QSslDiffieHellmanParameters::<span class="name">error</span>() const</h3> <p>Returns the error that caused the <a href="qssldiffiehellmanparameters.html">QSslDiffieHellmanParameters</a> object to be invalid.</p> <!-- @@@error --> <!-- $$$errorString[overload1]$$$errorString --> <h3 class="fn" id="errorString"><a name="errorString"></a><span class="type"><a href="../qtcore/qstring.html">QString</a></span> QSslDiffieHellmanParameters::<span class="name">errorString</span>() const</h3> <p>Returns a human-readable description of the error that caused the <a href="qssldiffiehellmanparameters.html">QSslDiffieHellmanParameters</a> object to be invalid.</p> <!-- @@@errorString --> <!-- $$$fromEncoded[overload1]$$$fromEncodedconstQByteArray&QSsl::EncodingFormat --> <h3 class="fn" id="fromEncoded"><a name="fromEncoded"></a><code>[static] </code><span class="type"><a href="qssldiffiehellmanparameters.html#QSslDiffieHellmanParameters">QSslDiffieHellmanParameters</a></span> QSslDiffieHellmanParameters::<span class="name">fromEncoded</span>(const <span class="type"><a href="../qtcore/qbytearray.html">QByteArray</a></span> &<i>encoded</i>, <span class="type"><a href="qssl.html#EncodingFormat-enum">QSsl::EncodingFormat</a></span> <i>encoding</i> = QSsl::Pem)</h3> <p>Constructs a <a href="qssldiffiehellmanparameters.html">QSslDiffieHellmanParameters</a> object using the byte array <i>encoded</i> in either PEM or DER form as specified by <i>encoding</i>.</p> <p>Use the <a href="qssldiffiehellmanparameters.html#isValid">isValid</a>() method on the returned object to check whether the Diffie-Hellman parameters were valid and loaded correctly.</p> <p><b>See also </b><a href="qssldiffiehellmanparameters.html#isValid">isValid</a>() and <a href="qsslconfiguration.html">QSslConfiguration</a>.</p> <!-- @@@fromEncoded --> <!-- $$$fromEncoded$$$fromEncodedQIODevice*QSsl::EncodingFormat --> <h3 class="fn" id="fromEncoded-1"><a name="fromEncoded-1"></a><code>[static] </code><span class="type"><a href="qssldiffiehellmanparameters.html#QSslDiffieHellmanParameters">QSslDiffieHellmanParameters</a></span> QSslDiffieHellmanParameters::<span class="name">fromEncoded</span>(<span class="type"><a href="../qtcore/qiodevice.html">QIODevice</a></span> *<i>device</i>, <span class="type"><a href="qssl.html#EncodingFormat-enum">QSsl::EncodingFormat</a></span> <i>encoding</i> = QSsl::Pem)</h3> <p>Constructs a <a href="qssldiffiehellmanparameters.html">QSslDiffieHellmanParameters</a> object by reading from <i>device</i> in either PEM or DER form as specified by <i>encoding</i>.</p> <p>Use the <a href="qssldiffiehellmanparameters.html#isValid">isValid</a>() method on the returned object to check whether the Diffie-Hellman parameters were valid and loaded correctly.</p> <p>In particular, if <i>device</i> is <code>nullptr</code> or not open for reading, an invalid object will be returned.</p> <p><b>See also </b><a href="qssldiffiehellmanparameters.html#isValid">isValid</a>() and <a href="qsslconfiguration.html">QSslConfiguration</a>.</p> <!-- @@@fromEncoded --> <!-- $$$isEmpty[overload1]$$$isEmpty --> <h3 class="fn" id="isEmpty"><a name="isEmpty"></a><span class="type">bool</span> QSslDiffieHellmanParameters::<span class="name">isEmpty</span>() const</h3> <p>Returns <code>true</code> if this is a an empty <a href="qssldiffiehellmanparameters.html">QSslDiffieHellmanParameters</a> instance.</p> <p>Setting an empty <a href="qssldiffiehellmanparameters.html">QSslDiffieHellmanParameters</a> instance on a <a href="qsslsocket.html">QSslSocket</a>-based server will disable Diffie-Hellman key exchange.</p> <!-- @@@isEmpty --> <!-- $$$isValid[overload1]$$$isValid --> <h3 class="fn" id="isValid"><a name="isValid"></a><span class="type">bool</span> QSslDiffieHellmanParameters::<span class="name">isValid</span>() const</h3> <p>Returns <code>true</code> if this is a valid <a href="qssldiffiehellmanparameters.html">QSslDiffieHellmanParameters</a>; otherwise false.</p> <p>This method should be used after constructing a <a href="qssldiffiehellmanparameters.html">QSslDiffieHellmanParameters</a> object to determine its validity.</p> <p>If a <a href="qssldiffiehellmanparameters.html">QSslDiffieHellmanParameters</a> object is not valid, you can use the <a href="qssldiffiehellmanparameters.html#error">error</a>() method to determine what error prevented the object from being constructed.</p> <p><b>See also </b><a href="qssldiffiehellmanparameters.html#error">error</a>().</p> <!-- @@@isValid --> <!-- $$$swap[overload1]$$$swapQSslDiffieHellmanParameters& --> <h3 class="fn" id="swap"><a name="swap"></a><span class="type">void</span> QSslDiffieHellmanParameters::<span class="name">swap</span>(<span class="type"><a href="qssldiffiehellmanparameters.html#QSslDiffieHellmanParameters">QSslDiffieHellmanParameters</a></span> &<i>other</i>)</h3> <p>Swaps this <a href="qssldiffiehellmanparameters.html">QSslDiffieHellmanParameters</a> with <i>other</i>. This function is very fast and never fails.</p> <!-- @@@swap --> <!-- $$$operator=[overload1]$$$operator=constQSslDiffieHellmanParameters& --> <h3 class="fn" id="operator-eq"><a name="operator-eq"></a><span class="type"><a href="qssldiffiehellmanparameters.html#QSslDiffieHellmanParameters">QSslDiffieHellmanParameters</a></span> &QSslDiffieHellmanParameters::<span class="name">operator=</span>(const <span class="type"><a href="qssldiffiehellmanparameters.html#QSslDiffieHellmanParameters">QSslDiffieHellmanParameters</a></span> &<i>other</i>)</h3> <p>Copies the contents of <i>other</i> into this <a href="qssldiffiehellmanparameters.html">QSslDiffieHellmanParameters</a>, making the two <a href="qssldiffiehellmanparameters.html">QSslDiffieHellmanParameters</a> identical.</p> <p>Returns a reference to this <a href="qssldiffiehellmanparameters.html">QSslDiffieHellmanParameters</a>.</p> <!-- @@@operator= --> <!-- $$$operator=$$$operator=QSslDiffieHellmanParameters&& --> <h3 class="fn" id="operator-eq-1"><a name="operator-eq-1"></a><span class="type"><a href="qssldiffiehellmanparameters.html#QSslDiffieHellmanParameters">QSslDiffieHellmanParameters</a></span> &QSslDiffieHellmanParameters::<span class="name">operator=</span>(<span class="type"><a href="qssldiffiehellmanparameters.html#QSslDiffieHellmanParameters">QSslDiffieHellmanParameters</a></span> &&<i>other</i>)</h3> <p>Move-assigns <i>other</i> to this <a href="qssldiffiehellmanparameters.html">QSslDiffieHellmanParameters</a> instance.</p> <p><b>Note: </b>The moved-from object <i>other</i> is placed in a partially-formed state, in which the only valid operations are destruction and assignment of a new value.</p><!-- @@@operator= --> </div> <div class="relnonmem"> <h2>Related Non-Members</h2> <!-- $$$qHash[overload1]$$$qHashconstQSslDiffieHellmanParameters&uint --> <h3 class="fn" id="qHash"><a name="qHash"></a><span class="type"><a href="../qtcore/qtglobal.html#uint-typedef">uint</a></span> <span class="name">qHash</span>(const <span class="type"><a href="qssldiffiehellmanparameters.html#QSslDiffieHellmanParameters">QSslDiffieHellmanParameters</a></span> &<i>dhparam</i>, <span class="type"><a href="../qtcore/qtglobal.html#uint-typedef">uint</a></span> <i>seed</i> = 0)</h3> <p>Returns an hash value for <i>dhparam</i>, using <i>seed</i> to seed the calculation.</p> <p>This function was introduced in Qt 5.8.</p> <!-- @@@qHash --> <!-- $$$operator<<[overload1]$$$operator<<QDebugconstQSslDiffieHellmanParameters& --> <h3 class="fn" id="operator-lt-lt"><a name="operator-lt-lt"></a><span class="type"><a href="../qtcore/qdebug.html">QDebug</a></span> <span class="name">operator<<</span>(<span class="type"><a href="../qtcore/qdebug.html">QDebug</a></span> <i>debug</i>, const <span class="type"><a href="qssldiffiehellmanparameters.html#QSslDiffieHellmanParameters">QSslDiffieHellmanParameters</a></span> &<i>dhparam</i>)</h3> <p>Writes the set of Diffie-Hellman parameters in <i>dhparam</i> into the debug object <i>debug</i> for debugging purposes.</p> <p>The Diffie-Hellman parameters will be represented in Base64-encoded DER form.</p> <p>This function was introduced in Qt 5.8.</p> <p><b>See also </b>Debugging Techniques.</p> <!-- @@@operator<< --> <!-- $$$operator==[overload1]$$$operator==constQSslDiffieHellmanParameters&constQSslDiffieHellmanParameters& --> <h3 class="fn" id="operator-eq-eq"><a name="operator-eq-eq"></a><span class="type">bool</span> <span class="name">operator==</span>(const <span class="type"><a href="qssldiffiehellmanparameters.html#QSslDiffieHellmanParameters">QSslDiffieHellmanParameters</a></span> &<i>lhs</i>, const <span class="type"><a href="qssldiffiehellmanparameters.html#QSslDiffieHellmanParameters">QSslDiffieHellmanParameters</a></span> &<i>rhs</i>)</h3> <p>Returns <code>true</code> if <i>lhs</i> is equal to <i>rhs</i>; otherwise returns <code>false</code>.</p> <p>This function was introduced in Qt 5.8.</p> <!-- @@@operator== --> </div> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2019 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.<br/> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.<br/> Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. </p> </div> </body> </html>