#include "chartdir.h"
int main(int argc, char *argv[])
{
// The data for the line chart
double data0[] = {42, 49, 33, 38, 64, 56, 29, 41, 44, 57, 59, 42};
double data1[] = {65, 75, 47, 34, 42, 49, 73, 62, 90, 69, 66, 78};
double data2[] = {36, 28, 25, 28, 38, 20, 22, 30, 25, 33, 30, 24};
const char *labels[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug",
"Sep", "Oct", "Nov", "Dec"};
// Create a XYChart object of size 600 x 375 pixels
XYChart *c = new XYChart(600, 375);
// Add a title to the chart using 18 pts Times Bold Italic font
c->addTitle("Product Line Global Revenue", "timesbi.ttf", 18);
// Set the plotarea at (50, 55) and of 500 x 280 pixels in size. Use a vertical
// gradient color from light blue (f9f9ff) to sky blue (aaccff) as background.
// Set border to transparent and grid lines to white (ffffff).
c->setPlotArea(50, 55, 500, 280, c->linearGradientColor(0, 55, 0, 335, 0xf9fcff,
0xaaccff), -1, Chart::Transparent, 0xffffff);
// Add a legend box at (50, 28) using horizontal layout. Use 10pts Arial Bold as
// font, with transparent background.
c->addLegend(50, 28, false, "arialbd.ttf", 10)->setBackground(Chart::Transparent)
;
// Set the x axis labels
c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(labels[0])));
// Set y-axis tick density to 30 pixels. ChartDirector auto-scaling will use this
// as the guideline when putting ticks on the y-axis.
c->yAxis()->setTickDensity(30);
// Set axis label style to 8pts Arial Bold
c->xAxis()->setLabelStyle("arialbd.ttf", 8);
c->yAxis()->setLabelStyle("arialbd.ttf", 8);
// Set axis line width to 2 pixels
c->xAxis()->setWidth(2);
c->yAxis()->setWidth(2);
// Add axis title using 10pts Arial Bold Italic font
c->yAxis()->setTitle("Revenue in USD millions", "arialbi.ttf", 10);
// Add a line layer to the chart
LineLayer *layer = c->addLineLayer();
// Set the line width to 3 pixels
layer->setLineWidth(3);
// Add the three data sets to the line layer, using circles, diamands and X
// shapes as symbols
layer->addDataSet(DoubleArray(data0, sizeof(data0)/sizeof(data0[0])), 0xff0000,
"Quantum Computer")->setDataSymbol(Chart::CircleSymbol, 9);
layer->addDataSet(DoubleArray(data1, sizeof(data1)/sizeof(data1[0])), 0x00ff00,
"Atom Synthesizer")->setDataSymbol(Chart::DiamondSymbol, 11);
layer->addDataSet(DoubleArray(data2, sizeof(data2)/sizeof(data2[0])), 0xff6600,
"Proton Cannon")->setDataSymbol(Chart::Cross2Shape(), 11);
// Output the chart
c->makeChart("symbolline2.png");
//free up resources
delete c;
return 0;
} |