int main(int argc, char *argv[])
{
// The data for the pie chart
double data[] = {72, 18, 15, 12};
// The depths for the sectors
double depths[] = {30, 20, 10, 10};
// The labels for the pie chart
const char *labels[] = {"Sunny", "Cloudy", "Rainy", "Snowy"};
// The icons for the sectors
const char *icons[] = {"sun.png", "cloud.png", "rain.png", "snowy.png"};
// Create a PieChart object of size 400 x 300 pixels
PieChart *c = new PieChart(400, 300);
// Use the semi-transparent palette for this chart
c->setColors(Chart::transparentPalette);
// Set the background to metallic light blue (CCFFFF), with a black border and 1
// pixel 3D border effect,
c->setBackground(Chart::metalColor(0xccccff), 0x000000, 1);
// Set donut center at (200, 175), and outer/inner radii as 100/50 pixels
c->setDonutSize(200, 175, 100, 50);
// Add a title box using 15 pts Times Bold Italic font and metallic blue (8888FF)
// background color
c->addTitle("Weather Profile in Wonderland", "timesbi.ttf", 15)->setBackground(
Chart::metalColor(0x8888ff));
// Set the pie data and the pie labels
c->setData(DoubleArray(data, sizeof(data)/sizeof(data[0])), StringArray(labels,
sizeof(labels)/sizeof(labels[0])));
// Add icons to the chart as a custom field
c->addExtraField(StringArray(icons, sizeof(icons)/sizeof(icons[0])));
// Configure the sector labels using CDML to include the icon images
c->setLabelFormat(
"<*block,valign=absmiddle*><*img={field0}*> <*block*>{label}\n{percent}%"
"<*/*><*/*>");
// Draw the pie in 3D with variable 3D depths
c->set3D(DoubleArray(depths, sizeof(depths)/sizeof(depths[0])));
// Set the start angle to 225 degrees may improve layout when the depths of the
// sector are sorted in descending order, because it ensures the tallest sector
// is at the back.
c->setStartAngle(225);
// Output the chart
c->makeChart("icondonut.png");
//free up resources
delete c;
return 0;
}
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 chartIndex, const char *filename)
{
char buffer[256];
// Determine the donut inner radius (as percentage of outer radius) based on input parameter
int donutRadius = chartIndex * 25;
// The data for the pie chart
double data[] = {10, 10, 10, 10, 10};
// The labels for the pie chart
const char *labels[] = {"Marble", "Wood", "Granite", "Plastic", "Metal"};
// Create a PieChart object of size 150 x 120 pixels, with a grey (EEEEEE) background, black
// border and 1 pixel 3D border effect
PieChart *c = new PieChart(150, 120, 0xeeeeee, 0x000000, 1);
// Set donut center at (75, 65) and the outer radius to 50 pixels. Inner radius is computed
// according donutWidth
c->setDonutSize(75, 60, 50, 50 * donutRadius / 100);
// Add a title to show the donut width
sprintf(buffer, "Inner Radius = %d %%", donutRadius);
c->addTitle(buffer, "arial.ttf", 10)->setBackground(0xcccccc, 0);
// Draw the pie in 3D
c->set3D(12);
// 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]))));
// 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[])
{
// 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"};
// Create a PieChart object of size 600 x 320 pixels. Set background color to
// brushed silver, with a 2 pixel 3D border. Use rounded corners of 20 pixels
// radius.
PieChart *c = new PieChart(600, 320, Chart::brushedSilverColor(),
Chart::Transparent, 2);
c->setRoundedFrame(0xffffff, 20);
// Add a title using 18 pts Times New Roman Bold Italic font. #Set top/bottom
// margins to 8 pixels.
TextBox *title = c->addTitle("Donut Chart Demonstration", "timesbi.ttf", 18);
title->setMargin(0, 0, 8, 8);
// Add a 2 pixels wide separator line just under the title
c->addLine(10, title->getHeight(), c->getWidth() - 11, title->getHeight(),
Chart::LineColor, 2);
// Set donut center at (160, 175), and outer/inner radii as 110/55 pixels
c->setDonutSize(160, 175, 110, 55);
// Set the pie data and the pie labels
c->setData(DoubleArray(data, sizeof(data)/sizeof(data[0])), StringArray(labels,
sizeof(labels)/sizeof(labels[0])));
// Use ring shading effect for the sectors
c->setSectorStyle(Chart::RingShading);
// Use the side label layout method, with the labels positioned 16 pixels from
// the donut bounding box
c->setLabelLayout(Chart::SideLayout, 16);
// Show only the sector number as the sector label
c->setLabelFormat("{={sector}+1}");
// Set the sector label style to Arial Bold 10pt, with a dark grey (444444)
// border
c->setLabelStyle("arialbd.ttf", 10)->setBackground(Chart::Transparent, 0x444444);
// Add a legend box, with the center of the left side anchored at (330, 175), and
// using 10 pts Arial Bold Italic font
LegendBox *b = c->addLegend(330, 175, true, "arialbi.ttf", 10);
b->setAlignment(Chart::Left);
// Set the legend box border to dark grey (444444), and with rounded conerns
b->setBackground(Chart::Transparent, 0x444444);
b->setRoundedCorners();
// Set the legend box margin to 16 pixels, and the extra line spacing between the
// legend entries as 5 pixels
b->setMargin(16);
b->setKeySpacing(0, 5);
// Set the legend text to show the sector number, followed by a 120 pixels wide
// block showing the sector label, and a 40 pixels wide block showing the
// percentage
b->setText(
"<*block,valign=top*>{={sector}+1}.<*advanceTo=22*><*block,width=120*>"
"{label}<*/*><*block,width=40,halign=right*>{percent}<*/*>%");
// Output the chart
c->makeChart("donut.jpg");
//free up resources
delete c;
return 0;
}
