int main(int argc, char *argv[])
{
// The data for the pie chart
double data[] = {18, 45, 28};
// The labels for the pie chart
const char *labels[] = {"Marble", "Wood", "Granite"};
// The icons for the sectors
const char *texture[] = {"marble3.png", "wood.png", "rock.png"};
// Create a PieChart object of size 400 x 330 pixels, with a metallic green
// (88EE88) background, black border and 1 pixel 3D border effect
PieChart *c = new PieChart(400, 330, Chart::metalColor(0x88ee88), 0x000000, 1);
// Set donut center at (200, 160), and outer/inner radii as 120/60 pixels
c->setDonutSize(200, 160, 120, 60);
// Add a title box using 15 pts Times Bold Italic font and metallic deep green
// (008000) background color
c->addTitle("Material Composition", "timesbi.ttf", 15)->setBackground(
Chart::metalColor(0x008000));
// Set the pie data and the pie labels
c->setData(DoubleArray(data, sizeof(data)/sizeof(data[0])), StringArray(labels,
sizeof(labels)/sizeof(labels[0])));
// Set the colors of the sectors to the 3 texture patterns
c->setColor(Chart::DataColor + 0, c->patternColor(texture[0]));
c->setColor(Chart::DataColor + 1, c->patternColor(texture[1]));
c->setColor(Chart::DataColor + 2, c->patternColor(texture[2]));
// Draw the pie in 3D with a 3D depth of 30 pixels
c->set3D(30);
// Use 12 pts Arial Bold Italic as the sector label font
c->setLabelStyle("arialbi.ttf", 12);
// Output the chart
c->makeChart("texturedonut.png");
//free up resources
delete c;
return 0;
}
void createChart(int img, const char *filename)
{
// The data for the pie chart
double data[] = {25, 18, 15, 12, 8, 30, 35};
// The labels for the pie chart
const char *labels[] = {"Labor", "Licenses", "Taxes", "Legal", "Insurance",
"Facilities", "Production"};
// Colors of the sectors if custom coloring is used
int colors[] = {0xb8bc9c, 0xecf0b9, 0x999966, 0x333366, 0xc3c3e6, 0x594330,
0xa0bdc4};
// Create a PieChart object of size 280 x 240 pixels
PieChart *c = new PieChart(280, 240);
// Set the center of the pie at (140, 120) and the radius to 80 pixels
c->setPieSize(140, 120, 80);
// Draw the pie in 3D
c->set3D();
// Set the coloring schema
if (img == 0) {
c->addTitle("Custom Colors");
// set the LineColor to light gray
c->setColor(Chart::LineColor, 0xc0c0c0);
// use given color array as the data colors (sector colors)
c->setColors(Chart::DataColor, IntArray(colors,
sizeof(colors)/sizeof(colors[0])));
} else if (img == 1) {
c->addTitle("Dark Background Colors");
// use the standard white on black palette
c->setColors(Chart::whiteOnBlackPalette);
} else if (img == 2) {
c->addTitle("Wallpaper As Background");
c->setWallpaper("bg.png");
} else {
c->addTitle("Transparent Colors");
c->setWallpaper("bg.png");
// use semi-transparent colors to allow the background to be seen
c->setColors(Chart::transparentPalette);
}
// Set the pie data and the pie labels
c->setData(DoubleArray(data, sizeof(data)/sizeof(data[0])), StringArray(labels,
sizeof(labels)/sizeof(labels[0])));
// Explode the 1st sector (index = 0)
c->setExplode(0);
// output the chart
c->makeChart(filename);
//free up resources
delete c;
}
