#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, 45, 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[] = {61, 79, 85, 66, 53, 39, 24, 21, 37, 56, 37, 22, 21, 33,
13, 17, 4, 23, 16, 25, 9, 10, 5, 7, 16};
const char *labels[] = {"0", "-", "2", "-", "4", "-", "6", "-", "8", "-",
"10", "-", "12", "-", "14", "-", "16", "-", "18", "-", "20", "-", "22",
"-", "24"};
//Create a XYChart object of size 300 x 210 pixels. Set the background to
//pale yellow (0xffffc0) with a black border (0x0)
XYChart *c = new XYChart(300, 210, 0xffffc0, 0x0);
//Set the plotarea at (50, 30) and of size 240 x 140 pixels. Use white
//(0xffffff) background.
c->setPlotArea(50, 30, 240, 140)->setBackground(0xffffff);
//Add a legend box at (50, 185) (below of plot area) using horizontal
//layout. Use 8 pts Arial font with Transparent background.
c->addLegend(50, 185, false, "", 8)->setBackground(Transparent);
//Add a title box to the chart using 8 pts Arial Bold font, with yellow
//(0xffff40) background and a black border (0x0)
c->addTitle("Sales Volume", "arialbd.ttf", 8)->setBackground(0xffff40, 0);
//Set the y axis label format to US$nnnn
c->yAxis()->setLabelFormat("US${value}");
//Set the x axis labels using the given labels
c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(*labels)));
//Add an stack area layer with three data sets
AreaLayer *layer = c->addAreaLayer(Stack);
layer->addDataSet(DoubleArray(data0, sizeof(data0)/sizeof(*data0)),
0x4040ff, "Store #1");
layer->addDataSet(DoubleArray(data1, sizeof(data1)/sizeof(*data1)),
0xff4040, "Store #2");
layer->addDataSet(DoubleArray(data2, sizeof(data2)/sizeof(*data2)),
0x40ff40, "Store #3");
//output the chart
c->makeChart("stackedarea.png");
//free up resources
delete c;
return 0;
}
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