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/****************************************************************************
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**
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** Copyright (C) 2012 Digia Plc
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** All rights reserved.
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** For any questions to Digia, please use contact form at http://qt.digia.com
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**
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** This file is part of the Qt Commercial Charts Add-on.
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**
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** $QT_BEGIN_LICENSE$
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia.
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**
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.digia.com
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <QApplication>
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#include <QMainWindow>
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#include <QChartView>
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#include <QLineSeries>
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#include <QDateTime>
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#include <QDateTimeAxis>
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QTCOMMERCIALCHART_USE_NAMESPACE
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int main(int argc, char *argv[])
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{
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QApplication a(argc, argv);
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qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
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//![1]
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QLineSeries* series = new QLineSeries();
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//![1]
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//![2]
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QDateTime momentInTime;
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for (int i = 0; i < 100; i++) {
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momentInTime.setDate(QDate(2012, 1 , (1 + i / 9) % 28));
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momentInTime.setTime(QTime(9 + i % 9, 0));
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if (i > 0)
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series->append(momentInTime.toMSecsSinceEpoch(), series->points().at(i - 1).y() * (0.95 + (qrand() % 11) / 100.0));
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else
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series->append(momentInTime.toMSecsSinceEpoch(), 45);
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}
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//![2]
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//![3]
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QChart* chart = new QChart();
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chart->legend()->hide();
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chart->addSeries(series);
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chart->createDefaultAxes();
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QDateTimeAxis *axisX = new QDateTimeAxis;
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axisX->setTicksCount(20);
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momentInTime.setDate(QDate(2012,1,1));
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momentInTime.setTime(QTime(6, 0));
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axisX->setMin(momentInTime);
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momentInTime.setDate(QDate(2012,1,7));
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momentInTime.setTime(QTime(18, 0));
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axisX->setMax(momentInTime);
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chart->setAxisX(axisX, series);
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chart->setTitle("Date and Time axis chart example");
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//![3]
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//![4]
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QChartView* chartView = new QChartView(chart);
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chartView->setRenderHint(QPainter::Antialiasing);
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//![4]
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//![5]
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QMainWindow window;
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window.setCentralWidget(chartView);
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window.resize(800, 600);
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window.show();
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//![5]
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return a.exec();
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}
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