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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 <QAreaSeries>
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#include <cmath>
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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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//![1]
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QLineSeries* series0 = new QLineSeries();
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QLineSeries* series1 = new QLineSeries();
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//![1]
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//![2]
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*series0 << QPointF(1, 5) << QPointF(3, 7) << QPointF(7, 6) << QPointF(9, 7) << QPointF(12,6) << QPointF(16,7) << QPointF(18,5);
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*series1 << QPointF(1, 3) << QPointF(3, 4) << QPointF(7, 3) << QPointF(8, 2) << QPointF(12,3) << QPointF(16,4) << QPointF(18,3);
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//![2]
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//![3]
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QAreaSeries* series = new QAreaSeries(series0,series1);
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QPen pen(0x059605);
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pen.setWidth(3);
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series->setPen(pen);
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QLinearGradient gradient(QPointF(0, 0), QPointF(0, 1));
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gradient.setColorAt(0.0,0x3cc63c);
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gradient.setColorAt(1.0, 0x26f626);
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gradient.setCoordinateMode(QGradient::ObjectBoundingMode);
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series->setBrush(gradient);
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//![3]
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//![4]
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QMainWindow window;
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QChartView* chartView = new QChartView(&window);
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chartView->setChartTitle("Simple area chart example");
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chartView->setRenderHint(QPainter::Antialiasing);
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chartView->addSeries(series);
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chartView->axisX()->setRange(0,20);
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chartView->axisY()->setRange(0,10);
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//![4]
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//![5]
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window.setCentralWidget(chartView);
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window.resize(400, 300);
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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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