main.cpp
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| text/x-c
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CppLexer
winter
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r0 | /**************************************************************************** | ||
| ** | ||||
| ** 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. | ||||
| ** | ||||
| ** $QT_END_LICENSE$ | ||||
| ** | ||||
| ****************************************************************************/ | ||||
| #include <QtWidgets/QApplication> | ||||
| #include <QtWidgets/QMainWindow> | ||||
| #include <QtCharts/QChartView> | ||||
| #include <QtCharts/QBarSeries> | ||||
| #include <QtCharts/QBarSet> | ||||
| #include <QtCharts/QLegend> | ||||
| #include <QtCharts/QBarCategoryAxis> | ||||
| #include <QtCharts/QStackedBarSeries> | ||||
| QT_CHARTS_USE_NAMESPACE | ||||
| int main(int argc, char *argv[]) | ||||
| { | ||||
| QApplication a(argc, argv); | ||||
| //![1] | ||||
| QBarSet *low = new QBarSet("Min"); | ||||
| QBarSet *high = new QBarSet("Max"); | ||||
| *low << -52 << -50 << -45.3 << -37.0 << -25.6 << -8.0 << -6.0 << -11.8 << -19.7 << -32.8 << -43.0 << -48.0; | ||||
| *high << 11.9 << 12.8 << 18.5 << 26.5 << 32.0 << 34.8 << 38.2 << 34.8 << 29.8 << 20.4 << 15.1 << 11.8; | ||||
| //![1] | ||||
| //![2] | ||||
| QStackedBarSeries *series = new QStackedBarSeries(); | ||||
| series->append(low); | ||||
| series->append(high); | ||||
| //![2] | ||||
| //![3] | ||||
| QChart *chart = new QChart(); | ||||
| chart->addSeries(series); | ||||
| chart->setTitle("Temperature records in celcius"); | ||||
| chart->setAnimationOptions(QChart::SeriesAnimations); | ||||
| //![3] | ||||
| //![4] | ||||
| QStringList categories; | ||||
| categories << "Jan" << "Feb" << "Mar" << "Apr" << "May" << "Jun" << "Jul" << "Aug" << "Sep" << "Oct" << "Nov" << "Dec"; | ||||
| QBarCategoryAxis *axis = new QBarCategoryAxis(); | ||||
| axis->append(categories); | ||||
| axis->setTitleText("Month"); | ||||
| chart->createDefaultAxes(); | ||||
| chart->setAxisX(axis, series); | ||||
| chart->axisY(series)->setRange(-52, 52); | ||||
| chart->axisY(series)->setTitleText("Temperature [°C]"); | ||||
| //![4] | ||||
| //![5] | ||||
| chart->legend()->setVisible(true); | ||||
| chart->legend()->setAlignment(Qt::AlignBottom); | ||||
| //![5] | ||||
| //![6] | ||||
| QChartView *chartView = new QChartView(chart); | ||||
| chartView->setRenderHint(QPainter::Antialiasing); | ||||
| //![6] | ||||
| //![7] | ||||
| QMainWindow window; | ||||
| window.setCentralWidget(chartView); | ||||
| window.resize(600, 300); | ||||
| window.show(); | ||||
| //![7] | ||||
| return a.exec(); | ||||
| } | ||||