#include "chartdir.h"
int main(int argc, char *argv[])
{
// Data for the chart
double data0[] = {100, 125, 245, 147, 67, 96, 160, 145, 97, 167, 220, 125};
double data1[] = {85, 156, 179, 211, 123, 225, 127, 99, 111, 260, 175, 156};
double data2[] = {97, 87, 56, 267, 157, 157, 67, 156, 77, 87, 197, 87};
const char *labels[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug",
"Sept", "Oct", "Nov", "Dec"};
// Create a XYChart object of size 560 x 280 pixels.
XYChart *c = new XYChart(560, 280);
// Add a title to the chart using 14 pts Arial Bold Italic font
c->addTitle(" Average Weekly Network Load", "arialbi.ttf", 14);
// Set the plotarea at (50, 50) and of 500 x 200 pixels in size. Use alternating
// light grey (f8f8f8) / white (ffffff) background. Set border to transparent and
// use grey (CCCCCC) dotted lines as horizontal and vertical grid lines
c->setPlotArea(50, 50, 500, 200, 0xffffff, 0xf8f8f8, Chart::Transparent,
c->dashLineColor(0xcccccc, Chart::DotLine), c->dashLineColor(0xcccccc,
Chart::DotLine));
// Add a legend box at (50, 22) using horizontal layout. Use 10 pt Arial Bold
// Italic font, with transparent background
c->addLegend(50, 22, false, "arialbi.ttf", 10)->setBackground(Chart::Transparent)
;
// Set the x axis labels
c->xAxis()->setLabels(StringArray(labels, (int)(sizeof(labels) / sizeof(labels[0]
))));
// Draw the ticks between label positions (instead of at label positions)
c->xAxis()->setTickOffset(0.5);
// Add axis title
c->yAxis()->setTitle("Throughput (MBytes Per Hour)");
// Set axis line width to 2 pixels
c->xAxis()->setWidth(2);
c->yAxis()->setWidth(2);
// Add a multi-bar layer with 3 data sets
BarLayer *layer = c->addBarLayer(Chart::Side);
layer->addDataSet(DoubleArray(data0, (int)(sizeof(data0) / sizeof(data0[0]))),
0xff0000, "Server #1");
layer->addDataSet(DoubleArray(data1, (int)(sizeof(data1) / sizeof(data1[0]))),
0x00ff00, "Server #2");
layer->addDataSet(DoubleArray(data2, (int)(sizeof(data2) / sizeof(data2[0]))),
0x0000ff, "Server #3");
// Set bar shape to circular (cylinder)
layer->setBarShape(Chart::CircleShape);
// Configure the bars within a group to touch each others (no gap)
layer->setBarGap(0.2, Chart::TouchBar);
// Output the chart
c->makeChart("multicylinder.png");
//free up resources
delete c;
return 0;
} |