Multi-Depth Pie Chart

The following is the command line version of the code in "cppdemo/multidepthpie". 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[] = {72, 18, 15, 12};
    const int data_size = (int)(sizeof(data)/sizeof(*data));

    // The labels for the pie chart
    const char* labels[] = {"Labor", "Machinery", "Facilities", "Computers"};
    const int labels_size = (int)(sizeof(labels)/sizeof(*labels));

    // The depths for the sectors
    double depths[] = {30, 20, 10, 10};
    const int depths_size = (int)(sizeof(depths)/sizeof(*depths));

    // Create a PieChart object of size 360 x 300 pixels, with a light blue (DDDDFF) background and
    // a 1 pixel 3D border
    PieChart* c = new PieChart(360, 300, 0xddddff, -1, 1);

    // Set the center of the pie at (180, 175) and the radius to 100 pixels
    c->setPieSize(180, 175, 100);

    // Add a title box using 15pt Times Bold Italic font and blue (AAAAFF) as background color
    c->addTitle("Project Cost Breakdown", "Times New Roman Bold Italic", 15)->setBackground(0xaaaaff
        );

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

    // Draw the pie in 3D with variable 3D depths
    c->set3D(DoubleArray(depths, depths_size));

    // Set the start angle to 225 degrees may improve layout when the depths of the sector are
    // sorted in descending order, because it ensures the tallest sector is at the back.
    c->setStartAngle(225);

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

    //free up resources
    delete c;

    return 0;
}