#include "chartdir.h"
int main(int argc, char *argv[])
{
// The data for the pie chart
double data[] = {20, 10, 15, 12};
// The labels for the pie chart
const char *labels[] = {"Labor", "Licenses", "Facilities", "Production"};
// The colors to use for the sectors
int colors[] = {0x66aaee, 0xeebb22, 0xcccccc, 0xcc88ff};
// Create a PieChart object of size 600 x 320 pixels. Use a vertical gradient color from deep
// blue (000066) to blue (0000cc) as background. Use rounded corners of 20 pixels radius.
PieChart *c = new PieChart(600, 320);
c->setBackground(c->linearGradientColor(0, 0, 0, c->getHeight(), 0x000066, 0x0000cc));
c->setRoundedFrame(0xffffff, 20);
// Add a title using 18pt Times New Roman Bold Italic font in white (ffffff) color. Set
// top/bottom margins to 8 pixels.
TextBox *title = c->addTitle("Donut Chart Demonstration", "timesbi.ttf", 18, 0xffffff);
title->setMargin(0, 0, 8, 8);
// Add a separator line in white color just under the title
c->addLine(10, title->getHeight(), c->getWidth() - 11, title->getHeight(), 0xffffff);
// Set donut center at (300, 170), and outer/inner radii as 120/60 pixels
c->setDonutSize(300, 170, 120, 60);
// Draw the pie in 3D with a pie thickness of 25 pixels
c->set3D(25);
// Set the pie data and the pie labels
c->setData(DoubleArray(data, (int)(sizeof(data) / sizeof(data[0]))), StringArray(labels, (int)(
sizeof(labels) / sizeof(labels[0]))));
// Set the sector colors
c->setColors(Chart::DataColor, IntArray(colors, (int)(sizeof(colors) / sizeof(colors[0]))));
// Use local gradient shading for the sectors
c->setSectorStyle(Chart::LocalGradientShading);
// Set sector border color to same as fill color. Set label join line color to white (ffffff)
c->setLineColor(Chart::SameAsMainColor, 0xffffff);
// Use the side label layout method, with the labels positioned 16 pixels from the donut
// bounding box
c->setLabelLayout(Chart::SideLayout, 16);
// Set the sector label format. The label consists of two lines. The first line is the sector
// name in Times Bold Italic font and is underlined. The second line shows the data value and
// percentage.
c->setLabelFormat(
"<*block,halign=left*><*font=timesbi.ttf,size=12,underline=1*>{label}<*/font*><*br*>US$ "
"{value}K ({percent}%)");
// Set the label box background color the same as the sector color. Use soft lighting effect
// with light direction from right. Use rounded corners.
TextBox *t = c->setLabelStyle();
t->setBackground(Chart::SameAsMainColor, Chart::Transparent, Chart::softLighting(Chart::Right));
t->setRoundedCorners();
// Output the chart
c->makeChart("threeddonut.png");
//free up resources
delete c;
return 0;
} |