<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html> <html lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>roundrectitem.cpp Example File | Qt Widgets 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="qtwidgets-index.html">Qt Widgets</a></td><td ><a href="qtwidgets-graphicsview-padnavigator-example.html">Pad Navigator Example</a></td><td >roundrectitem.cpp Example File</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="sidebar-content" id="sidebar-content"></div></div> <h1 class="title">roundrectitem.cpp Example File</h1> <span class="subtitle">graphicsview/padnavigator/roundrectitem.cpp</span> <!-- $$$graphicsview/padnavigator/roundrectitem.cpp-description --> <div class="descr"> <a name="details"></a> <pre class="cpp"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2016 The Qt Company Ltd. ** Contact: https://www.qt.io/licensing/ ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** BSD License Usage ** Alternatively, you may use this file under the terms of the BSD license ** as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * 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. ** * Neither the name of The Qt Company Ltd nor the names of its ** contributors may be used to endorse or promote products derived ** from this software without specific prior written permission. ** ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT ** OWNER 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." ** ** $QT_END_LICENSE$ ** ****************************************************************************/</span> <span class="preprocessor">#include "roundrectitem.h"</span> <span class="preprocessor">#include <QApplication></span> <span class="preprocessor">#include <QPainter></span> <span class="preprocessor">#include <QPalette></span> RoundRectItem<span class="operator">::</span>RoundRectItem(<span class="keyword">const</span> <span class="type"><a href="../qtcore/qrectf.html">QRectF</a></span> <span class="operator">&</span>bounds<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="../qtgui/qcolor.html">QColor</a></span> <span class="operator">&</span>color<span class="operator">,</span> <span class="type"><a href="qgraphicsitem.html">QGraphicsItem</a></span> <span class="operator">*</span>parent) : <span class="type"><a href="qgraphicsobject.html">QGraphicsObject</a></span>(parent)<span class="operator">,</span> fillRect(<span class="keyword">false</span>)<span class="operator">,</span> bounds(bounds) { gradient<span class="operator">.</span>setStart(bounds<span class="operator">.</span>topLeft()); gradient<span class="operator">.</span>setFinalStop(bounds<span class="operator">.</span>bottomRight()); gradient<span class="operator">.</span>setColorAt(<span class="number">0</span><span class="operator">,</span> color); gradient<span class="operator">.</span>setColorAt(<span class="number">1</span><span class="operator">,</span> color<span class="operator">.</span>dark(<span class="number">200</span>)); setCacheMode(ItemCoordinateCache); } <span class="type"><a href="../qtgui/qpixmap.html">QPixmap</a></span> RoundRectItem<span class="operator">::</span>pixmap() <span class="keyword">const</span> { <span class="keyword">return</span> pix; } <span class="type">void</span> RoundRectItem<span class="operator">::</span>setPixmap(<span class="keyword">const</span> <span class="type"><a href="../qtgui/qpixmap.html">QPixmap</a></span> <span class="operator">&</span>pixmap) { pix <span class="operator">=</span> pixmap; update(); } <span class="type"><a href="../qtcore/qrectf.html">QRectF</a></span> RoundRectItem<span class="operator">::</span>boundingRect() <span class="keyword">const</span> { <span class="keyword">return</span> bounds<span class="operator">.</span>adjusted(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">2</span><span class="operator">,</span> <span class="number">2</span>); } <span class="type">void</span> RoundRectItem<span class="operator">::</span>paint(<span class="type"><a href="../qtgui/qpainter.html">QPainter</a></span> <span class="operator">*</span>painter<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qstyleoptiongraphicsitem.html">QStyleOptionGraphicsItem</a></span> <span class="operator">*</span>option<span class="operator">,</span> <span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>widget) { Q_UNUSED(option); Q_UNUSED(widget); painter<span class="operator">-</span><span class="operator">></span>setPen(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>NoPen); painter<span class="operator">-</span><span class="operator">></span>setBrush(<span class="type"><a href="../qtgui/qcolor.html">QColor</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">64</span>)); painter<span class="operator">-</span><span class="operator">></span>drawRoundRect(bounds<span class="operator">.</span>translated(<span class="number">2</span><span class="operator">,</span> <span class="number">2</span>)); <span class="keyword">if</span> (fillRect) painter<span class="operator">-</span><span class="operator">></span>setBrush(<span class="type"><a href="qapplication.html">QApplication</a></span><span class="operator">::</span>palette()<span class="operator">.</span>brush(<span class="type"><a href="../qtgui/qpalette.html">QPalette</a></span><span class="operator">::</span>Window)); <span class="keyword">else</span> painter<span class="operator">-</span><span class="operator">></span>setBrush(gradient); painter<span class="operator">-</span><span class="operator">></span>setPen(<span class="type"><a href="../qtgui/qpen.html">QPen</a></span>(<span class="type"><a href="../qtcore/qt.html">Qt</a></span><span class="operator">::</span>black<span class="operator">,</span> <span class="number">1</span>)); painter<span class="operator">-</span><span class="operator">></span>drawRoundRect(bounds); <span class="keyword">if</span> (<span class="operator">!</span>pix<span class="operator">.</span>isNull()) { painter<span class="operator">-</span><span class="operator">></span>scale(<span class="number">1.95</span><span class="operator">,</span> <span class="number">1.95</span>); painter<span class="operator">-</span><span class="operator">></span>drawPixmap(<span class="operator">-</span>pix<span class="operator">.</span>width() <span class="operator">/</span> <span class="number">2</span><span class="operator">,</span> <span class="operator">-</span>pix<span class="operator">.</span>height() <span class="operator">/</span> <span class="number">2</span><span class="operator">,</span> pix); } } bool RoundRectItem<span class="operator">::</span>fill() <span class="keyword">const</span> { <span class="keyword">return</span> fillRect; } <span class="type">void</span> RoundRectItem<span class="operator">::</span>setFill(bool fill) { fillRect <span class="operator">=</span> fill; update(); } </pre> </div> <!-- @@@graphicsview/padnavigator/roundrectitem.cpp --> </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>