#include "chartdir.h"
int main(int argc, char *argv[])
{
//The XY points for the scatter chart
double dataX[] = {150, 400, 300, 1500, 800};
double dataY[] = {0.6, 8, 5.4, 2, 4};
//The labels for the points
const char *labels[] = {"Nano\n100", "SpeedTron\n200 Lite",
"SpeedTron\n200", "Marathon\nExtra", "Marathon\n2000"};
//Create a XYChart object of size 450 x 400 pixels
XYChart *c = new XYChart(450, 400);
//Set the plotarea at (55, 40) and of size 350 x 300 pixels, with a light
//grey border (0xc0c0c0). Turn on both horizontal and vertical grid lines
//with light grey color (0xc0c0c0)
c->setPlotArea(55, 40, 350, 300, 0xffffff, -1, 0xc0c0c0, 0xc0c0c0, -1);
//Add a title to the chart using 18 pts Times Bold Itatic font.
c->addTitle("Product Comparison Chart", "timesbi.ttf", 18);
//Add a title to the y axis using 12 pts Arial Bold Italic font
c->yAxis()->setTitle("Capacity (tons)", "arialbi.ttf", 12);
//Add a title to the x axis using 12 pts Arial Bold Italic font
c->xAxis()->setTitle("Range (miles)", "arialbi.ttf", 12);
//Set the axes line width to 3 pixels
c->xAxis()->setWidth(3);
c->yAxis()->setWidth(3);
//Add the data as a scatter chart layer, using a 15 pixel circle as the
//symbol
ScatterLayer *layer = c->addScatterLayer(DoubleArray(dataX,
sizeof(dataX)/sizeof(*dataX)), DoubleArray(dataY,
sizeof(dataY)/sizeof(*dataY)), "Server BBB", CircleSymbol, 15, 0xff3333,
0xff3333);
//Add labels to the chart as an extra field
layer->addExtraField(StringArray(labels, sizeof(labels)/sizeof(*labels)));
//Set the data label format to display the extra field
layer->setDataLabelFormat("{field0}");
//Use 8pts Arial Bold to display the labels
TextBox *textbox = layer->setDataLabelStyle("arialbd.ttf", 8);
//Set the background to purple with a 1 pixel 3D border
textbox->setBackground(0xcc99ff, Transparent, 1);
//Put the text box 4 pixels to the right of the data point
textbox->setAlignment(Left);
textbox->setPos(4, 0);
//output the chart
c->makeChart("scatterlabels.png");
//free up resources
delete c;
return 0;
}
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