#include "chartdir.h"
int main(int argc, char *argv[])
{
// The data for the line 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, 98};
double data2[] = {36, 28, 25, 33, 38, 20, 22, 30, 25, 33, 30, 24, 28, 15, 21, 26,
46, 42, 48, 45, 43, 52, 64, 60, 70};
// The labels for the line 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"};
// Create an XYChart object of size 600 x 300 pixels, with a light blue (EEEEFF)
// background, black border, 1 pxiel 3D border effect and rounded corners
XYChart *c = new XYChart(600, 300, 0xeeeeff, 0x000000, 1);
c->setRoundedFrame();
// Set the plotarea at (55, 58) and of size 520 x 195 pixels, with white
// background. Turn on both horizontal and vertical grid lines with light grey
// color (0xcccccc)
c->setPlotArea(55, 58, 520, 195, 0xffffff, -1, -1, 0xcccccc, 0xcccccc);
// Add a legend box at (50, 30) (top of the chart) with horizontal layout. Use 9
// pts Arial Bold font. Set the background and border color to Transparent.
c->addLegend(50, 30, false, "arialbd.ttf", 9)->setBackground(Chart::Transparent);
// Add a title box to the chart using 15 pts Times Bold Italic font, on a light
// blue (CCCCFF) background with glass effect. white (0xffffff) on a dark red
// (0x800000) background, with a 1 pixel 3D border.
c->addTitle("Application Server Throughput", "timesbi.ttf", 15)->setBackground(
0xccccff, 0x000000, Chart::glassEffect());
// Add a title to the y axis
c->yAxis()->setTitle("MBytes per hour");
// Set the labels on the x axis.
c->xAxis()->setLabels(StringArray(labels, (int)(sizeof(labels) / sizeof(labels[0]
))));
// Display 1 out of 3 labels on the x-axis.
c->xAxis()->setLabelStep(3);
// Add a title to the x axis
c->xAxis()->setTitle("Jun 12, 2006");
// Add a line layer to the chart
LineLayer *layer = c->addLineLayer();
// Set the default line width to 2 pixels
layer->setLineWidth(2);
// Add the three data sets to the line layer. For demo purpose, we use a dash
// line color for the last line
layer->addDataSet(DoubleArray(data0, (int)(sizeof(data0) / sizeof(data0[0]))),
0xff0000, "Server #1");
layer->addDataSet(DoubleArray(data1, (int)(sizeof(data1) / sizeof(data1[0]))),
0x008800, "Server #2");
layer->addDataSet(DoubleArray(data2, (int)(sizeof(data2) / sizeof(data2[0]))),
c->dashLineColor(0x3333ff, Chart::DashLine), "Server #3");
// Output the chart
c->makeChart("multiline.png");
//free up resources
delete c;
return 0;
} |