#include "chartdir.h"
int main(int argc, char *argv[])
{
// The data for the bar chart
double data0[] = {100, 125, 245, 147, 67};
double data1[] = {85, 156, 179, 211, 123};
double data2[] = {97, 87, 56, 267, 157};
// The labels for the bar chart
const char *labels[] = {"Mon", "Tue", "Wed", "Thu", "Fri"};
// Create a XYChart object of size 500 x 320 pixels
XYChart *c = new XYChart(500, 320);
// Set the plotarea at (100, 40) and of size 280 x 240 pixels
c->setPlotArea(100, 40, 280, 240);
// Add a legend box at (400, 100)
c->addLegend(400, 100);
// Add a title to the chart using 14 points Times Bold Itatic font
c->addTitle("Weekday Network Load", "timesbi.ttf", 14);
// Add a title to the y axis. Draw the title upright (font angle = 0)
c->yAxis()->setTitle("Average\nWorkload\n(MBytes\nPer Hour)")->setFontAngle(0);
// Set the labels on the x axis
c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(labels[0])));
// Add a stacked bar layer and set the layer 3D depth to 8 pixels
BarLayer *layer = c->addBarLayer(Chart::Stack, 8);
// Add the three data sets to the bar layer
layer->addDataSet(DoubleArray(data0, sizeof(data0)/sizeof(data0[0])), 0xff8080,
"Server # 1");
layer->addDataSet(DoubleArray(data1, sizeof(data1)/sizeof(data1[0])), 0x80ff80,
"Server # 2");
layer->addDataSet(DoubleArray(data2, sizeof(data2)/sizeof(data2[0])), 0x8080ff,
"Server # 3");
// Enable bar label for the whole bar
layer->setAggregateLabelStyle();
// Enable bar label for each segment of the stacked bar
layer->setDataLabelStyle();
// output the chart
c->makeChart("stackedbar.png");
//free up resources
delete c;
return 0;
} |