ResInsight/ThirdParty/nightcharts

Nightcharts

This class includes a drawing histogram, pies and pseudo 3D pies.
It has very simple API and high level usability.
http://qt-apps.org/content/show.php?action=content&content=132560

Licensed under LGPL 2.1

Example :

void MainWindow::paintEvent(QPaintEvent e*)
{
    QWidget::paintEvent(e);
    QPainter painter;
    QFont font;
    painter.begin(this);
    Nightcharts PieChart;
    PieChart.setType(Nightcharts::DPie);//{Histogramm,Pie,DPie};
    PieChart.setLegendType(Nightcharts::Round);//{Round,Vertical}
    PieChart.setCords(100,100,this->width()/1.5,this->height()/1.5);
    PieChart.addPiece("Item1",QColor(200,10,50),34);
    PieChart.addPiece("Item2",Qt::green,27);
    PieChart.addPiece("Item3",Qt::cyan,14);
    PieChart.addPiece("Item4",Qt::yellow,7);
    PieChart.addPiece("Item5",Qt::blue,4);
    PieChart.draw(&painter);
    PieChart.drawLegend(&painter);
}

How to use

• Check out in any location (or add as a submodule)
• Write into Your main .pro file:

include("path/to/nightcharts/nightcharts.pri")