3D Area Chart

The following is the command line version of the code in "cppdemo/threedarea". 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 area chart
    double data[] = {30, 28, 40, 55, 75, 68, 54, 60, 50, 62, 75, 65, 75, 89, 60, 55, 53, 35, 50, 66,
        56, 48, 52, 65, 62};
    const int data_size = (int)(sizeof(data)/sizeof(*data));

    // The labels for the area chart
    const char* labels[] = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12",
        "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "24"};
    const int labels_size = (int)(sizeof(labels)/sizeof(*labels));

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

    // Set the plotarea at (45, 30) and of size 200 x 200 pixels
    c->setPlotArea(45, 30, 200, 200);

    // Add a title to the chart using 12pt Arial Bold Italic font
    c->addTitle("Daily Server Utilization", "Arial Bold Italic", 12);

    // Add a title to the y axis
    c->yAxis()->setTitle("MBytes");

    // Add a title to the x axis
    c->xAxis()->setTitle("June 12, 2001");

    // Add a green (0x00ff00) 3D area chart layer using the give data
    c->addAreaLayer(DoubleArray(data, data_size), 0x00ff00)->set3D();

    // Set the labels on the x axis.
    c->xAxis()->setLabels(StringArray(labels, labels_size));

    // Display 1 out of 3 labels on the x-axis.
    c->xAxis()->setLabelStep(3);

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

    //free up resources
    delete c;

    return 0;
}