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<h1 class="title">main.cpp Example File</h1>
<span class="subtitle">donutbreakdown/main.cpp</span>
<!-- $$$donutbreakdown/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 <QtWidgets/QStatusBar></span>
<span class="preprocessor">#include <QtCharts/QChartView></span>
<span class="preprocessor">#include "donutbreakdownchart.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="comment">// Graph is based on data of 'Total consumption of energy increased by 10 per cent in 2010'</span>
<span class="comment">// Statistics Finland, 13 December 2011</span>
<span class="comment">// http://www.stat.fi/til/ekul/2010/ekul_2010_2011-12-13_tie_001_en.html</span>
<span class="type"><a href="qpieseries.html">QPieSeries</a></span> <span class="operator">*</span>series1 <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qpieseries.html">QPieSeries</a></span>();
series1<span class="operator">-</span><span class="operator">></span>setName(<span class="string">"Fossil fuels"</span>);
series1<span class="operator">-</span><span class="operator">></span>append(<span class="string">"Oil"</span><span class="operator">,</span> <span class="number">353295</span>);
series1<span class="operator">-</span><span class="operator">></span>append(<span class="string">"Coal"</span><span class="operator">,</span> <span class="number">188500</span>);
series1<span class="operator">-</span><span class="operator">></span>append(<span class="string">"Natural gas"</span><span class="operator">,</span> <span class="number">148680</span>);
series1<span class="operator">-</span><span class="operator">></span>append(<span class="string">"Peat"</span><span class="operator">,</span> <span class="number">94545</span>);
<span class="type"><a href="qpieseries.html">QPieSeries</a></span> <span class="operator">*</span>series2 <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qpieseries.html">QPieSeries</a></span>();
series2<span class="operator">-</span><span class="operator">></span>setName(<span class="string">"Renewables"</span>);
series2<span class="operator">-</span><span class="operator">></span>append(<span class="string">"Wood fuels"</span><span class="operator">,</span> <span class="number">319663</span>);
series2<span class="operator">-</span><span class="operator">></span>append(<span class="string">"Hydro power"</span><span class="operator">,</span> <span class="number">45875</span>);
series2<span class="operator">-</span><span class="operator">></span>append(<span class="string">"Wind power"</span><span class="operator">,</span> <span class="number">1060</span>);
<span class="type"><a href="qpieseries.html">QPieSeries</a></span> <span class="operator">*</span>series3 <span class="operator">=</span> <span class="keyword">new</span> <span class="type"><a href="qpieseries.html">QPieSeries</a></span>();
series3<span class="operator">-</span><span class="operator">></span>setName(<span class="string">"Others"</span>);
series3<span class="operator">-</span><span class="operator">></span>append(<span class="string">"Nuclear energy"</span><span class="operator">,</span> <span class="number">238789</span>);
series3<span class="operator">-</span><span class="operator">></span>append(<span class="string">"Import energy"</span><span class="operator">,</span> <span class="number">37802</span>);
series3<span class="operator">-</span><span class="operator">></span>append(<span class="string">"Other"</span><span class="operator">,</span> <span class="number">32441</span>);
DonutBreakdownChart <span class="operator">*</span>donutBreakdown <span class="operator">=</span> <span class="keyword">new</span> DonutBreakdownChart();
donutBreakdown<span class="operator">-</span><span class="operator">></span>setAnimationOptions(<span class="type"><a href="qchart.html">QChart</a></span><span class="operator">::</span>AllAnimations);
donutBreakdown<span class="operator">-</span><span class="operator">></span>setTitle(<span class="string">"Total consumption of energy in Finland 2010"</span>);
donutBreakdown<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>AlignRight);
donutBreakdown<span class="operator">-</span><span class="operator">></span>addBreakdownSeries(series1<span class="operator">,</span> <span class="type">Qt</span><span class="operator">::</span>red);
donutBreakdown<span class="operator">-</span><span class="operator">></span>addBreakdownSeries(series2<span class="operator">,</span> <span class="type">Qt</span><span class="operator">::</span>darkGreen);
donutBreakdown<span class="operator">-</span><span class="operator">></span>addBreakdownSeries(series3<span class="operator">,</span> <span class="type">Qt</span><span class="operator">::</span>darkBlue);
<span class="type">QMainWindow</span> window;
<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>(donutBreakdown);
chartView<span class="operator">-</span><span class="operator">></span>setRenderHint(<span class="type">QPainter</span><span class="operator">::</span>Antialiasing);
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">500</span>);
window<span class="operator">.</span>show();
<span class="keyword">return</span> a<span class="operator">.</span>exec();
}
</pre>
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<!-- @@@donutbreakdown/main.cpp -->
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<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
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distrib
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Mageia
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7
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armv7hl
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media
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core-updates
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by-pkgid
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bc3b37a19f14c9d212f32b1359cbcf6a
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files
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313
