##// END OF EJS Templates
HG_REPOSITORIES » LPP » INSTRUMENTATION » USERS » JEANDET » qtcharts
RSS

Clone from http://code.qt.io/qt/qtcharts.git

Documentation for stacked barchart drilldown example
Documentation for stacked barchart drilldown example
Marek Rosa - - Load All Authors

File last commit:

r450:145a5bfaccbf
r462:9d290192c2c6
Show More
main.cpp
78 lines | 2.0 KiB | text/x-c | CppLexer
/ example / axischart / main.cpp
History | Source | Raw |Copy content |Copy permalink
Michal Klocek
Adds more axis handling...
 r176 #include <QApplication>
#include <QMainWindow>
#include <qchartview.h>
Michal Klocek
Rename QLineChartSeries to QLineSeries
 r349 #include <qlineseries.h>
Michal Klocek
Adds more axis handling...
 r176 #include <qchart.h>
#include <qchartaxis.h>
Michal Klocek
Adds qchartaxiscategories class
 r445 #include <qchartaxiscategories.h>
Michal Klocek
Adds more axis handling...
 r176 #include <cmath>
QTCOMMERCIALCHART_USE_NAMESPACE
#define PI 3.14159265358979
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
QMainWindow window;
Michal Klocek
Rename QLineChartSeries to QLineSeries
 r349 QLineSeries* series0 = new QLineSeries();
Michal Klocek
Adds more axis handling...
 r176 QPen blue(Qt::blue);
blue.setWidth(3);
series0->setPen(blue);
Michal Klocek
Rename QLineChartSeries to QLineSeries
 r349 QLineSeries* series1 = new QLineSeries();
Michal Klocek
Adds more axis handling...
 r176 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);
Michal Klocek
Adds font handling for chart's titile...
 r192 chartView->setChartTitle("This is custom axis chart example");
Michal Klocek
Adds more axis handling...
 r176 chartView->addSeries(series0);
chartView->addSeries(series1);
Michal Klocek
Adds opacity to shades
 r188
QLinearGradient backgroundGradient;
backgroundGradient.setColorAt(0.0, Qt::white);
backgroundGradient.setColorAt(1.0, QRgb(0xffff80));
backgroundGradient.setCoordinateMode(QGradient::ObjectBoundingMode);
chartView->setChartBackgroundBrush(backgroundGradient);
Michal Klocek
Adds more axis handling...
 r176
Michal Klocek
Fixes axischart example
 r225 QChartAxis* axisX = chartView->axisX();
axisX->setLabelsAngle(45);
axisX->setGridPen(Qt::DashLine);
Michal Klocek
Adds qchartaxiscategories class
 r445
QChartAxisCategories& categoriesX = axisX->categories();
categoriesX.insert(0,"low");
categoriesX.insert(50,"medium");
categoriesX.insert(100,"High");
Michal Klocek
Adds axis setRange implementation
 r400 axisX->setMin(-10);
Marek Rosa
Spline series fix
 r450 axisX->setMax(2200);
Michal Klocek
Adds more axis handling...
 r176
Michal Klocek
Fixes axischart example
 r225 QChartAxis* axisY = chartView->axisY();
axisY->setLabelsAngle(45);
axisY->setShadesBrush(Qt::yellow);
Michal Klocek
Adds qchartaxiscategories class
 r445
QChartAxisCategories& categoriesY = axisY->categories();
categoriesY.insert(0,"low");
categoriesY.insert(50,"medium");
categoriesY.insert(100,"High");
Michal Klocek
Adds axis setRange implementation
 r400 axisY->setMin(-10);
axisY->setMax(200);
Michal Klocek
Adds more axis handling...
 r176
window.setCentralWidget(chartView);
window.resize(400, 300);
window.show();
return a.exec();
}