<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <!-- qtextcodec.cpp --> <title>QTextDecoder Class | Qt Core 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="qtcore-index.html">Qt Core</a></td><td ><a href="qtcore-module.html">C++ Classes</a></td><td >QTextDecoder</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right"><a href="qtcore-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-functions">Public Functions</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">QTextDecoder Class</h1> <!-- $$$QTextDecoder-brief --> <p>The <a href="qtextdecoder.html">QTextDecoder</a> class provides a state-based decoder. <a href="#details">More...</a></p> <!-- @@@QTextDecoder --> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QTextDecoder></span> </td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> QT += core</td></tr></table></div><ul> <li><a href="qtextdecoder-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-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="qtextdecoder.html#QTextDecoder">QTextDecoder</a></b>(const QTextCodec *<i>codec</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qtextdecoder.html#QTextDecoder-2">QTextDecoder</a></b>(const QTextCodec *<i>codec</i>, QTextCodec::ConversionFlags <i>flags</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qtextdecoder.html#dtor.QTextDecoder">~QTextDecoder</a></b>()</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> QString </td><td class="memItemRight bottomAlign"><b><a href="qtextdecoder.html#toUnicode">toUnicode</a></b>(const char *<i>chars</i>, int <i>len</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> QString </td><td class="memItemRight bottomAlign"><b><a href="qtextdecoder.html#toUnicode-1">toUnicode</a></b>(const QByteArray &<i>ba</i>)</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qtextdecoder.html#toUnicode-2">toUnicode</a></b>(QString *<i>target</i>, const char *<i>chars</i>, int <i>len</i>)</td></tr> </table></div> <a name="details"></a> <!-- $$$QTextDecoder-description --> <div class="descr"> <h2 id="details">Detailed Description</h2> <p>The <a href="qtextdecoder.html">QTextDecoder</a> class provides a state-based decoder.</p> <p>A text decoder converts text from an encoded text format into Unicode using a specific codec.</p> <p>The decoder converts text in this format into Unicode, remembering any state that is required between calls.</p> </div> <p><b>See also </b><a href="qtextcodec.html#makeDecoder">QTextCodec::makeDecoder</a>() and <a href="qtextencoder.html">QTextEncoder</a>.</p> <!-- @@@QTextDecoder --> <div class="func"> <h2>Member Function Documentation</h2> <!-- $$$QTextDecoder[overload1]$$$QTextDecoderconstQTextCodec* --> <h3 class="fn" id="QTextDecoder"><a name="QTextDecoder"></a>QTextDecoder::<span class="name">QTextDecoder</span>(const <span class="type"><a href="qtextcodec.html">QTextCodec</a></span> *<i>codec</i>)</h3> <p>Constructs a text decoder for the given <i>codec</i>.</p> <!-- @@@QTextDecoder --> <!-- $$$QTextDecoder$$$QTextDecoderconstQTextCodec*QTextCodec::ConversionFlags --> <h3 class="fn" id="QTextDecoder-2"><a name="QTextDecoder-2"></a>QTextDecoder::<span class="name">QTextDecoder</span>(const <span class="type"><a href="qtextcodec.html">QTextCodec</a></span> *<i>codec</i>, <span class="type"><a href="qtextcodec.html#ConversionFlag-enum">QTextCodec::ConversionFlags</a></span> <i>flags</i>)</h3> <p>Constructs a text decoder for the given <i>codec</i> and conversion <i>flags</i>.</p> <p>This function was introduced in Qt 4.7.</p> <!-- @@@QTextDecoder --> <!-- $$$~QTextDecoder[overload1]$$$~QTextDecoder --> <h3 class="fn" id="dtor.QTextDecoder"><a name="dtor.QTextDecoder"></a>QTextDecoder::<span class="name">~QTextDecoder</span>()</h3> <p>Destroys the decoder.</p> <!-- @@@~QTextDecoder --> <!-- $$$toUnicode[overload1]$$$toUnicodeconstchar*int --> <h3 class="fn" id="toUnicode"><a name="toUnicode"></a><span class="type"><a href="qstring.html">QString</a></span> QTextDecoder::<span class="name">toUnicode</span>(const <span class="type">char</span> *<i>chars</i>, <span class="type">int</span> <i>len</i>)</h3> <p>Converts the first <i>len</i> bytes in <i>chars</i> to Unicode, returning the result.</p> <p>If not all characters are used (e.g. if only part of a multi-byte encoding is at the end of the characters), the decoder remembers enough state to continue with the next call to this function.</p> <!-- @@@toUnicode --> <!-- $$$toUnicode$$$toUnicodeconstQByteArray& --> <h3 class="fn" id="toUnicode-1"><a name="toUnicode-1"></a><span class="type"><a href="qstring.html">QString</a></span> QTextDecoder::<span class="name">toUnicode</span>(const <span class="type"><a href="qbytearray.html">QByteArray</a></span> &<i>ba</i>)</h3> <p>This is an overloaded function.</p> <p>Converts the bytes in the byte array specified by <i>ba</i> to Unicode and returns the result.</p> <!-- @@@toUnicode --> <!-- $$$toUnicode$$$toUnicodeQString*constchar*int --> <h3 class="fn" id="toUnicode-2"><a name="toUnicode-2"></a><span class="type">void</span> QTextDecoder::<span class="name">toUnicode</span>(<span class="type"><a href="qstring.html">QString</a></span> *<i>target</i>, const <span class="type">char</span> *<i>chars</i>, <span class="type">int</span> <i>len</i>)</h3> <p>This is an overloaded function.</p> <p>The converted string is returned in <i>target</i>.</p> <!-- @@@toUnicode --> </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>