#include "chartdir.h"
int main(int argc, char *argv[])
{
// XY points for the scatter chart
double dataX0[] = {10, 15, 6, -12, 14, -8, 13, -13, 16, 12, 10.5};
double dataY0[] = {130, 150, 80, 110, -110, -105, -130, 115, -170, 125, 125};
double dataX1[] = {6, 7, -4, 3.5, 7, 8, -9, -10, -12, 11, 8};
double dataY1[] = {65, -40, -40, 45, -70, -80, 80, 10, -100, 105, 60};
double dataX2[] = {-10, -12, 11, 8, 6, 12, -4, 3.5, 7, 8, -9};
double dataY2[] = {65, -80, -40, 45, -70, -80, 80, 90, -100, 105, 60};
// Create a XYChart object of size 600 x 300 pixels, with a light blue (ccccff)
// background, a black border, and 1 pixel 3D border effect
XYChart *c = new XYChart(600, 480, 0xccccff, 0x000000, 1);
// Add a title box to the chart using 16 pts Arial Bold Italic font, with white
// text on deep blue background
c->addTitle("Four Quadrant Chart Demonstration", "arialbi.ttf", 16, 0xffffff
)->setBackground(0x000080);
// Set the plotarea at (20, 60) and of size 560 x 360 pixels, with grey (808080)
// border, and light grey (c0c0c0) horizontal and vertical grid lines. Set 4
// quadrant coloring, where the colors of the quadrants alternate between lighter
// and deeper grey (dddddd/eeeeee)
c->setPlotArea(20, 60, 560, 360, -1, -1, 0x808080, 0xc0c0c0, 0xc0c0c0
)->set4QBgColor(0xdddddd, 0xeeeeee, 0xdddddd, 0xeeeeee);
// Set 4 quadrant mode, with both x and y axes symetrical around the origin
c->setAxisAtOrigin(Chart::XYAxisAtOrigin, Chart::XAxisSymmetric +
Chart::YAxisSymmetric);
// Add a legend box at (300, 460) (bottom center of the chart) with horizontal
// layout. Use 8 pts Arial Bold font.
LegendBox *legendBox = c->addLegend(300, 460, false, "arialbd.ttf", 8);
legendBox->setAlignment(Chart::BottomCenter);
// Set legend box background to light grey (dddddd) with a black border
legendBox->setBackground(0xdddddd, 0);
// Set left/right margin to 20 pixels and top/bottom margin to 5 pixels
legendBox->setMargin(20, 20, 5, 5);
// Add a titles to axes
c->xAxis()->setTitle("Alpha Index");
c->yAxis()->setTitle("Beta Index");
// Set axes width to 2 pixels
c->xAxis()->setWidth(2);
c->yAxis()->setWidth(2);
// Add scatter layer, using 15 pixels red (ff33333) X shape symbols
c->addScatterLayer(DoubleArray(dataX0, sizeof(dataX0)/sizeof(dataX0[0])),
DoubleArray(dataY0, sizeof(dataY0)/sizeof(dataY0[0])), "Group A",
Chart::Cross2Shape(), 15, 0xff3333);
// Add scatter layer, using 15 pixels green (33ff33) 6-sided polygon symbols
c->addScatterLayer(DoubleArray(dataX1, sizeof(dataX1)/sizeof(dataX1[0])),
DoubleArray(dataY1, sizeof(dataY1)/sizeof(dataY1[0])), "Group B",
Chart::PolygonShape(6), 15, 0x33ff33);
// Add scatter layer, using 15 pixels blue (3333ff) triangle symbols
c->addScatterLayer(DoubleArray(dataX2, sizeof(dataX2)/sizeof(dataX2[0])),
DoubleArray(dataY2, sizeof(dataY2)/sizeof(dataY2[0])), "Group C",
Chart::TriangleSymbol, 15, 0x3333ff);
// Output the chart
c->makeChart("fourq.png");
//free up resources
delete c;
return 0;
} |