##// END OF EJS Templates
Add background to chart...
Add background to chart * adds QGraphicsRectItem as background item * setters for color * example colorlinechart

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main.cpp
39 lines | 877 B | text/x-c | CppLexer
#include <QApplication>
#include <QMainWindow>
#include <qchartview.h>
#include <qxychartseries.h>
#include <qchart.h>
#include <cmath>
QTCOMMERCIALCHART_USE_NAMESPACE
#define PI 3.14159265358979
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
QMainWindow window;
QXYChartSeries* series0 = QXYChartSeries::create();
series0->setColor(Qt::blue);
QXYChartSeries* series1 = QXYChartSeries::create();
series1->setColor(Qt::red);
int numPoints = 100;
for (int x = 0; x <= numPoints; ++x) {
series0->add(x, abs(sin(PI/50*x)*100));
series1->add(x, abs(cos(PI/50*x)*100));
}
QChartView* chartView = new QChartView(&window);
chartView->addSeries(series0);
chartView->addSeries(series1);
window.setCentralWidget(chartView);
window.resize(400, 300);
window.show();
return a.exec();
}