mirror of https://github.com/qt/qtcharts.git
58 lines
1.3 KiB
C++
58 lines
1.3 KiB
C++
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#include <QApplication>
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#include <QMainWindow>
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#include <qchartwidget.h>
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#include <qchart.h>
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#include "chartview.h"
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#include <cmath>
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QCHART_USE_NAMESPACE
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#define PI 3.14159265358979
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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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QMainWindow window;
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QXYSeries* series0 = new QXYSeries();
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series0->setColor(Qt::blue);
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QXYSeries* series1 = new QXYSeries();
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series1->setColor(Qt::red);
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QXYSeries* series2 = new QXYSeries();
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series2->setColor(Qt::gray);
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QXYSeries* series3 = new QXYSeries();
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series3->setColor(Qt::green);
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int numPoints = 100;
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for (int x = 0; x < numPoints; ++x) {
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series0->add(x,0);
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series1->add(x, uint(sin(PI/25*x)*100) % 100);
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series2->add(x, uint(cos(PI/25*x)*100) % 100);
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series3->add(x,100);
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}
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QList<QXYSeries*> dataset;
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qDebug()<<"Series 1:" << *series1;
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qDebug()<<"Series 2:" << *series2;
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dataset << series0;
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dataset << series1;
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dataset << series2;
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dataset << series3;
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QChart* chart = QChart::createXYLineChart(dataset);
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chart->setMargin(50);
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QChartWidget* chartWidget = new QChartWidget();
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chartWidget->addChart(chart);
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ChartView* view = new ChartView(chartWidget,&window);
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window.setCentralWidget(view);
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window.resize(400, 300);
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window.show();
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return a.exec();
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}
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