#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 * 90 + 45;
// The data for the pie chart
double data[] = {25, 18, 15, 12, 8, 30, 35};
// Create a PieChart object of size 110 x 110 pixels
PieChart *c = new PieChart(110, 110);
// Set the center of the pie at (50, 55) and the radius to 36 pixels
c->setPieSize(55, 55, 36);
// Set the depth, tilt angle and 3D mode of the 3D pie (-1 means auto depth,
// "true" means the 3D effect is in shadow mode)
c->set3D(-1, angle, true);
// Add a title showing the shadow angle
sprintf(buffer, "Shadow @ %d deg", angle);
c->addTitle(buffer, "arial.ttf", 8);
// Set the pie data
c->setData(DoubleArray(data, (int)(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, "shadowpie0.png");
createChart(1, "shadowpie1.png");
createChart(2, "shadowpie2.png");
createChart(3, "shadowpie3.png");
return 0;
} |