#include "chartdir.h"
#include <stdio.h>
void createChart(int img, const char *filename)
{
char buffer[256];
// the tilt angle of the pie
int angle = img * 15;
// The data for the pie chart
double data[] = {25, 18, 15, 12, 8, 30, 35};
// Create a PieChart object of size 100 x 110 pixels
PieChart *c = new PieChart(100, 110);
// Set the center of the pie at (50, 55) and the radius to 38 pixels
c->setPieSize(50, 55, 38);
// Set the depth and tilt angle of the 3D pie (-1 means auto depth)
c->set3D(-1, angle);
// Add a title showing the tilt angle
sprintf(buffer, "Tilt = %d deg", angle);
c->addTitle(buffer, "arial.ttf", 8);
// Set the pie data
c->setData(DoubleArray(data, sizeof(data)/sizeof(data[0])));
// Disable the sector labels by setting the color to Transparent
c->setLabelStyle("", 8, Chart::Transparent);
// Output the chart
c->makeChart(filename);
//free up resources
delete c;
}
int main(int argc, char *argv[])
{
createChart(0, "threedanglepie0.png");
createChart(1, "threedanglepie1.png");
createChart(2, "threedanglepie2.png");
createChart(3, "threedanglepie3.png");
createChart(4, "threedanglepie4.png");
createChart(5, "threedanglepie5.png");
createChart(6, "threedanglepie6.png");
return 0;
} |