#include "chartdir.h"
int main(int argc, char *argv[])
{
// The data for the area chart
double data0[] = {42, 49, 33, 38, 51, 46, 29, 41, 44, 57, 59, 52, 37, 34, 51, 56,
56, 60, 70, 76, 63, 67, 75, 64, 51};
double data1[] = {50, 55, 47, 34, 42, 49, 63, 62, 73, 59, 56, 50, 64, 60, 67, 67,
58, 59, 73, 77, 84, 82, 80, 84, 89};
double data2[] = {87, 89, 85, 66, 53, 39, 24, 21, 37, 56, 37, 22, 21, 33, 13, 17,
4, 23, 16, 25, 9, 10, 5, 7, 6};
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"};
// Create a XYChart object of size 350 x 230 pixels
XYChart *c = new XYChart(350, 230);
// Set the plotarea at (50, 30) and of size 250 x 150 pixels.
c->setPlotArea(50, 30, 250, 150);
// Add a legend box at (55, 0) (top of the chart) using 8 pts Arial Font. Set
// background and border to Transparent.
c->addLegend(55, 0, false, "", 8)->setBackground(Chart::Transparent);
// Add a title to the x axis
c->xAxis()->setTitle("Network Load for Jun 12");
// Add a title to the y axis
c->yAxis()->setTitle("MBytes");
// Set the labels on the x axis.
c->xAxis()->setLabels(StringArray(labels, (int)(sizeof(labels) / sizeof(labels[0]
))));
// Display 1 out of 2 labels on the x-axis. Show minor ticks for remaining
// labels.
c->xAxis()->setLabelStep(2, 1);
// Add three area layers, each representing one data set. The areas are drawn in
// semi-transparent colors.
c->addAreaLayer(DoubleArray(data2, (int)(sizeof(data2) / sizeof(data2[0]))),
0x808080ff, "Server #1", 3);
c->addAreaLayer(DoubleArray(data0, (int)(sizeof(data0) / sizeof(data0[0]))),
0x80ff0000, "Server #2", 3);
c->addAreaLayer(DoubleArray(data1, (int)(sizeof(data1) / sizeof(data1[0]))),
0x8000ff00, "Server #3", 3);
// Output the chart
c->makeChart("deptharea.png");
//free up resources
delete c;
return 0;
} |