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<td >Qt 5.9</td><td ><a href="qtcharts-index.html">Qt Charts</a></td><td ><a href="qtcharts-boxplotchart-example.html">Box and Whiskers Example</a></td><td >main.cpp Example File</td></tr></table><table class="buildversion"><tr>
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<h1 class="title">main.cpp Example File</h1>
<span class="subtitle">boxplotchart/main.cpp</span>
<!-- $$$boxplotchart/main.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 Qt Charts module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:GPL$
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/</span>
<span class="preprocessor">#include <QtWidgets/QApplication></span>
<span class="preprocessor">#include <QtWidgets/QMainWindow></span>
<span class="preprocessor">#include <QtCharts/QChartView></span>
<span class="preprocessor">#include <QtCharts/QBoxPlotSeries></span>
<span class="preprocessor">#include <QtCharts/QBoxSet></span>
<span class="preprocessor">#include <QtCharts/QLegend></span>
<span class="preprocessor">#include <QtCharts/QBarCategoryAxis></span>
<span class="preprocessor">#include <QtCore/QFile></span>
<span class="preprocessor">#include "boxdatareader.h"</span>
QT_CHARTS_USE_NAMESPACE
<span class="type">int</span> main(<span class="type">int</span> argc<span class="operator">,</span> <span class="type">char</span> <span class="operator">*</span>argv<span class="operator">[</span><span class="operator">]</span>)
{
<span class="type">QApplication</span> a(argc<span class="operator">,</span> argv);
<span class="type"><a href="qboxplotseries.html">QBoxPlotSeries</a></span> <span class="operator">*</span>acmeSeries <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qboxplotseries.html">QBoxPlotSeries</a></span>();
acmeSeries<span class="operator">-</span><span class="operator">></span>setName(<span class="string">"Acme Ltd"</span>);
<span class="type"><a href="qboxplotseries.html">QBoxPlotSeries</a></span> <span class="operator">*</span>boxWhiskSeries <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qboxplotseries.html">QBoxPlotSeries</a></span>();
boxWhiskSeries<span class="operator">-</span><span class="operator">></span>setName(<span class="string">"BoxWhisk Inc"</span>);
<span class="type">QFile</span> acmeData(<span class="string">":acme"</span>);
<span class="keyword">if</span> (<span class="operator">!</span>acmeData<span class="operator">.</span>open(<span class="type">QIODevice</span><span class="operator">::</span>ReadOnly <span class="operator">|</span> <span class="type">QIODevice</span><span class="operator">::</span>Text))
<span class="keyword">return</span> <span class="number">1</span>;
BoxDataReader dataReader(<span class="operator">&</span>acmeData);
<span class="keyword">while</span> (<span class="operator">!</span>dataReader<span class="operator">.</span>atEnd()) {
<span class="type"><a href="qboxset.html">QBoxSet</a></span> <span class="operator">*</span>set <span class="operator">=</span> dataReader<span class="operator">.</span>readBox();
<span class="keyword">if</span> (set)
acmeSeries<span class="operator">-</span><span class="operator">></span>append(set);
}
<span class="type">QFile</span> boxwhiskData(<span class="string">":boxwhisk"</span>);
<span class="keyword">if</span> (<span class="operator">!</span>boxwhiskData<span class="operator">.</span>open(<span class="type">QIODevice</span><span class="operator">::</span>ReadOnly <span class="operator">|</span> <span class="type">QIODevice</span><span class="operator">::</span>Text))
<span class="keyword">return</span> <span class="number">1</span>;
dataReader<span class="operator">.</span>readFile(<span class="operator">&</span>boxwhiskData);
<span class="keyword">while</span> (<span class="operator">!</span>dataReader<span class="operator">.</span>atEnd()) {
<span class="type"><a href="qboxset.html">QBoxSet</a></span> <span class="operator">*</span>set <span class="operator">=</span> dataReader<span class="operator">.</span>readBox();
<span class="keyword">if</span> (set)
boxWhiskSeries<span class="operator">-</span><span class="operator">></span>append(set);
}
<span class="type"><a href="qchart.html">QChart</a></span> <span class="operator">*</span>chart <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qchart.html">QChart</a></span>();
chart<span class="operator">-</span><span class="operator">></span>addSeries(acmeSeries);
chart<span class="operator">-</span><span class="operator">></span>addSeries(boxWhiskSeries);
chart<span class="operator">-</span><span class="operator">></span>setTitle(<span class="string">"Acme Ltd and BoxWhisk Inc share deviation in 2012"</span>);
chart<span class="operator">-</span><span class="operator">></span>setAnimationOptions(<span class="type"><a href="qchart.html">QChart</a></span><span class="operator">::</span>SeriesAnimations);
chart<span class="operator">-</span><span class="operator">></span>createDefaultAxes();
chart<span class="operator">-</span><span class="operator">></span>axisY()<span class="operator">-</span><span class="operator">></span>setMin(<span class="number">15.0</span>);
chart<span class="operator">-</span><span class="operator">></span>axisY()<span class="operator">-</span><span class="operator">></span>setMax(<span class="number">34.0</span>);
chart<span class="operator">-</span><span class="operator">></span>legend()<span class="operator">-</span><span class="operator">></span>setVisible(<span class="keyword">true</span>);
chart<span class="operator">-</span><span class="operator">></span>legend()<span class="operator">-</span><span class="operator">></span>setAlignment(<span class="type">Qt</span><span class="operator">::</span>AlignBottom);
<span class="type"><a href="qchartview.html">QChartView</a></span> <span class="operator">*</span>chartView <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qchartview.html">QChartView</a></span>(chart);
chartView<span class="operator">-</span><span class="operator">></span>setRenderHint(<span class="type">QPainter</span><span class="operator">::</span>Antialiasing);
<span class="type">QMainWindow</span> window;
window<span class="operator">.</span>setCentralWidget(chartView);
window<span class="operator">.</span>resize(<span class="number">800</span><span class="operator">,</span> <span class="number">600</span>);
window<span class="operator">.</span>show();
<span class="keyword">return</span> a<span class="operator">.</span>exec();
}
</pre>
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<!-- @@@boxplotchart/main.cpp -->
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<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
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distrib
>
Mageia
>
6
>
x86_64
>
media
>
core-updates
>
by-pkgid
>
19952c5e751bf7e3108c3c59625b0f35
>
files
>
281
