main.cpp
56 lines
| 1.4 KiB
| text/x-c
|
CppLexer
Michal Klocek
|
r176 | #include <QApplication> | ||
#include <QMainWindow> | ||||
#include <qchartview.h> | ||||
#include <qlinechartseries.h> | ||||
#include <qchart.h> | ||||
#include <qchartaxis.h> | ||||
#include <cmath> | ||||
QTCOMMERCIALCHART_USE_NAMESPACE | ||||
#define PI 3.14159265358979 | ||||
int main(int argc, char *argv[]) | ||||
{ | ||||
QApplication a(argc, argv); | ||||
QMainWindow window; | ||||
QLineChartSeries* series0 = new QLineChartSeries(); | ||||
QPen blue(Qt::blue); | ||||
blue.setWidth(3); | ||||
series0->setPen(blue); | ||||
QLineChartSeries* series1 = new QLineChartSeries(); | ||||
QPen red(Qt::red); | ||||
red.setWidth(3); | ||||
series1->setPen(red); | ||||
int numPoints = 100; | ||||
for (int x = 0; x <= numPoints; ++x) { | ||||
series0->add(x, fabs(sin(PI/50*x)*100)); | ||||
series1->add(x, fabs(cos(PI/50*x)*100)); | ||||
} | ||||
QChartView* chartView = new QChartView(&window); | ||||
chartView->setRenderHint(QPainter::Antialiasing); | ||||
chartView->setTitle("Basic line chart example"); | ||||
chartView->addSeries(series0); | ||||
chartView->addSeries(series1); | ||||
chartView->setChartBackgroundBrush(Qt::white); | ||||
QChartAxis axis = chartView->defaultAxisX(); | ||||
axis.setLabelsOrientation(QChartAxis::LabelsOrientationSlide); | ||||
axis.setGridPen(Qt::DashLine); | ||||
chartView->setDefaultAxisX(axis); | ||||
//axis.setShadesBrush(Qt::gray); | ||||
chartView->setDefaultAxisY(axis); | ||||
window.setCentralWidget(chartView); | ||||
window.resize(400, 300); | ||||
window.show(); | ||||
return a.exec(); | ||||
} | ||||