3D Pie Chart

The following is the command line version of the code in "cppdemo/threedpie". The MFC version of the code is in "mfcdemo/mfcdemo". The Qt Widgets version of the code is in "qtdemo/qtdemo". The QML/Qt Quick version of the code is in "qmldemo/qmldemo".

#include "chartdir.h"

int main(int argc, char *argv[])
{
    // The data for the pie chart
    double data[] = {25, 18, 15, 12, 8, 30, 35};
    const int data_size = (int)(sizeof(data)/sizeof(*data));

    // The labels for the pie chart
    const char* labels[] = {"Labor", "Licenses", "Taxes", "Legal", "Insurance", "Facilities",
        "Production"};
    const int labels_size = (int)(sizeof(labels)/sizeof(*labels));

    // Create a PieChart object of size 360 x 300 pixels
    PieChart* c = new PieChart(360, 300);

    // Set the center of the pie at (180, 140) and the radius to 100 pixels
    c->setPieSize(180, 140, 100);

    // Add a title to the pie chart
    c->addTitle("Project Cost Breakdown");

    // Draw the pie in 3D
    c->set3D();

    // Set the pie data and the pie labels
    c->setData(DoubleArray(data, data_size), StringArray(labels, labels_size));

    // Explode the 1st sector (index = 0)
    c->setExplode(0);

    // Output the chart
    c->makeChart("threedpie.png");

    //free up resources
    delete c;

    return 0;
}