<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <!-- qpaintengine.cpp --> <title>QTextItem Class | Qt GUI 5.9</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 5.9</td><td ><a href="qtgui-index.html">Qt GUI</a></td><td ><a href="qtgui-module.html">C++ Classes</a></td><td >QTextItem</td></tr></table><table class="buildversion"><tr> <td id="buildversion" width="100%" align="right">Qt 5.9.4 Reference Documentation</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="#details">Detailed Description</a></li> </ul> </div> <div class="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">QTextItem Class</h1> <!-- $$$QTextItem-brief --> <p>The <a href="qtextitem.html">QTextItem</a> class provides all the information required to draw text in a custom paint engine. <a href="#details">More...</a></p> <!-- @@@QTextItem --> <div class="table"><table class="alignedsummary"> <tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QTextItem></span> </td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> QT += gui</td></tr></table></div><ul> <li><a href="qtextitem-members.html">List of all members, including inherited members</a></li> </ul> <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="qtextitem.html#RenderFlag-enum">RenderFlag</a></b> { RightToLeft, Overline, Underline, StrikeOut }</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> flags </td><td class="memItemRight bottomAlign"><b><a href="qtextitem.html#RenderFlag-enum">RenderFlags</a></b></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"> qreal </td><td class="memItemRight bottomAlign"><b><a href="qtextitem.html#ascent">ascent</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> qreal </td><td class="memItemRight bottomAlign"><b><a href="qtextitem.html#descent">descent</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> QFont </td><td class="memItemRight bottomAlign"><b><a href="qtextitem.html#font">font</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> RenderFlags </td><td class="memItemRight bottomAlign"><b><a href="qtextitem.html#renderFlags">renderFlags</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> QString </td><td class="memItemRight bottomAlign"><b><a href="qtextitem.html#text">text</a></b>() const</td></tr> <tr><td class="memItemLeft rightAlign topAlign"> qreal </td><td class="memItemRight bottomAlign"><b><a href="qtextitem.html#width">width</a></b>() const</td></tr> </table></div> <a name="details"></a> <!-- $$$QTextItem-description --> <div class="descr"> <h2 id="details">Detailed Description</h2> <p>The <a href="qtextitem.html">QTextItem</a> class provides all the information required to draw text in a custom paint engine.</p> <p>When you reimplement your own paint engine, you must reimplement <a href="qpaintengine.html#drawTextItem">QPaintEngine::drawTextItem</a>(), a function that takes a <a href="qtextitem.html">QTextItem</a> as one of its arguments.</p> </div> <!-- @@@QTextItem --> <div class="types"> <h2>Member Type Documentation</h2> <!-- $$$RenderFlag$$$RightToLeft$$$Overline$$$Underline$$$StrikeOut$$$Dummy --> <h3 class="flags" id="RenderFlag-enum"><a name="RenderFlag-enum"></a>enum QTextItem::<span class="name">RenderFlag</span><br/>flags QTextItem::<span class="name">RenderFlags</span></h3> <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>QTextItem::RightToLeft</code></td><td class="topAlign tblval"><code>0x1</code></td><td class="topAlign">Render the text from right to left.</td></tr> <tr><td class="topAlign"><code>QTextItem::Overline</code></td><td class="topAlign tblval"><code>0x10</code></td><td class="topAlign">Paint a line above the text.</td></tr> <tr><td class="topAlign"><code>QTextItem::Underline</code></td><td class="topAlign tblval"><code>0x20</code></td><td class="topAlign">Paint a line under the text.</td></tr> <tr><td class="topAlign"><code>QTextItem::StrikeOut</code></td><td class="topAlign tblval"><code>0x40</code></td><td class="topAlign">Paint a line through the text.</td></tr> </table></div> <p>The RenderFlags type is a typedef for <a href="../qtcore/qflags.html">QFlags</a><RenderFlag>. It stores an OR combination of RenderFlag values.</p> <!-- @@@RenderFlag --> </div> <div class="func"> <h2>Member Function Documentation</h2> <!-- $$$ascent[overload1]$$$ascent --> <h3 class="fn" id="ascent"><a name="ascent"></a><span class="type"><a href="../qtcore/qtglobal.html#qreal-typedef">qreal</a></span> QTextItem::<span class="name">ascent</span>() const</h3> <p>Corresponds to the <a href="qfontmetrics.html#ascent">ascent</a> of the piece of text that is drawn.</p> <!-- @@@ascent --> <!-- $$$descent[overload1]$$$descent --> <h3 class="fn" id="descent"><a name="descent"></a><span class="type"><a href="../qtcore/qtglobal.html#qreal-typedef">qreal</a></span> QTextItem::<span class="name">descent</span>() const</h3> <p>Corresponds to the <a href="qfontmetrics.html#descent">descent</a> of the piece of text that is drawn.</p> <!-- @@@descent --> <!-- $$$font[overload1]$$$font --> <h3 class="fn" id="font"><a name="font"></a><span class="type"><a href="qfont.html">QFont</a></span> QTextItem::<span class="name">font</span>() const</h3> <p>Returns the font that should be used to draw the text.</p> <!-- @@@font --> <!-- $$$renderFlags[overload1]$$$renderFlags --> <h3 class="fn" id="renderFlags"><a name="renderFlags"></a><span class="type"><a href="qtextitem.html#RenderFlag-enum">RenderFlags</a></span> QTextItem::<span class="name">renderFlags</span>() const</h3> <p>Returns the render flags used.</p> <!-- @@@renderFlags --> <!-- $$$text[overload1]$$$text --> <h3 class="fn" id="text"><a name="text"></a><span class="type"><a href="../qtcore/qstring.html">QString</a></span> QTextItem::<span class="name">text</span>() const</h3> <p>Returns the text that should be drawn.</p> <!-- @@@text --> <!-- $$$width[overload1]$$$width --> <h3 class="fn" id="width"><a name="width"></a><span class="type"><a href="../qtcore/qtglobal.html#qreal-typedef">qreal</a></span> QTextItem::<span class="name">width</span>() const</h3> <p>Specifies the total width of the text to be drawn.</p> <!-- @@@width --> </div> </div> </div> </div> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2017 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>