#include "chartdir.h"
int main(int argc, char *argv[])
{
// The (x, y) data for the first line
double dataX0[] = {20, 90, 40, 30, 12};
double dataY0[] = {10, 40, 75, 54, 20};
// The (x, y) data for the second line
double dataX1[] = {10, 40, 75, 54, 60};
double dataY1[] = {50, 90, 40, 30, 10};
// Create a XYChart object of size 450 x 450 pixels
XYChart *c = new XYChart(450, 450);
// Set the plotarea at (55, 65) and of size 350 x 300 pixels, with white
// background and a light grey border (0xc0c0c0). Turn on both horizontal and
// vertical grid lines with light grey color (0xc0c0c0)
c->setPlotArea(55, 65, 350, 300, 0xffffff, -1, 0xc0c0c0, 0xc0c0c0, -1);
// Add a legend box at (50, 30) (top of the chart) with horizontal layout. Use 12
// pts Times Bold Italic font. Set the background and border color to
// Transparent.
c->addLegend(50, 30, false, "timesbi.ttf", 12)->setBackground(Chart::Transparent)
;
// Add a title to the chart using 18 pts Times Bold Itatic font
c->addTitle("Reaction Path", "timesbi.ttf", 18);
// Add a title to the y axis using 12 pts Arial Bold Italic font
c->yAxis()->setTitle("Temperature (Celcius)", "arialbi.ttf", 12);
// Set the y axis line width to 3 pixels
c->yAxis()->setWidth(3);
// Add a title to the x axis using 12 pts Arial Bold Italic font
c->xAxis()->setTitle("Pressure (Pa)", "arialbi.ttf", 12);
// Set the x axis line width to 3 pixels
c->xAxis()->setWidth(3);
// Add a red (0xff3333) line layer using dataX0 and dataY0
LineLayer *layer1 = c->addLineLayer(DoubleArray(dataY0,
sizeof(dataY0)/sizeof(dataY0[0])), 0xff3333, "Compound AAA");
layer1->setXData(DoubleArray(dataX0, sizeof(dataX0)/sizeof(dataX0[0])));
// Set the line width to 3 pixels
layer1->setLineWidth(3);
// Use 9 pixel square symbols for the data points
layer1->getDataSet(0)->setDataSymbol(Chart::SquareSymbol, 9);
// Add custom text labels to the first and last point on the scatter plot using
// Arial Bold font
layer1->addCustomDataLabel(0, 0, "Start", "arialbd.ttf");
layer1->addCustomDataLabel(0, 4, "End", "arialbd.ttf");
// Add a green (0x33ff33) line layer using dataX1 and dataY1
LineLayer *layer2 = c->addLineLayer(DoubleArray(dataY1,
sizeof(dataY1)/sizeof(dataY1[0])), 0x33ff33, "Compound BBB");
layer2->setXData(DoubleArray(dataX1, sizeof(dataX1)/sizeof(dataX1[0])));
// Set the line width to 3 pixels
layer2->setLineWidth(3);
// Use 11 pixel diamond symbols for the data points
layer2->getDataSet(0)->setDataSymbol(Chart::DiamondSymbol, 11);
// Add custom text labels to the first and last point on the scatter plot using
// Arial Bold font
layer2->addCustomDataLabel(0, 0, "Start", "arialbd.ttf");
layer2->addCustomDataLabel(0, 4, "End", "arialbd.ttf");
// Output the chart
c->makeChart("xyline.png");
//free up resources
delete c;
return 0;
} |