Drawing a donut chart from the values of its slices.
Example_25.pdf — the PDF this example creates.
using System;
using System.IO;
using System.Diagnostics;
using PDFjet.NET;
/**
* Example_25.cs
*/
public class Example_25 {
public Example_25() {
PDF pdf = new PDF(new BufferedStream(
new FileStream("Example_25.pdf", FileMode.Create)));
pdf.SetCompliance(Compliance.PDF_UA_1);
pdf.SetTitle("Fruit Donut Chart");
Page page = new Page(pdf, Letter.PORTRAIT);
Font f1 = new Font(pdf, IBMPlexSans.Regular);
f1.SetSize(12.0f);
Font f2 = new Font(pdf, IBMPlexSans.Bold);
f2.SetSize(10.0f);
// A heading, which PAC asks a document for
new TextLine(f2, "Fruit Donut Chart")
.SetStructureType(StructElem.H1)
.SetFontSize(18f)
.SetLocation(100f, 100f)
.DrawOn(page);
DonutChart chart = new DonutChart(f1, f2);
chart.SetLocation(100.0f, 200.0f);
chart.SetRadii(200.0f, 120.0f); // an inner radius of 0 makes a pie chart
chart.AddSlice(new Slice(25f, 0xC1121F, "Apples")); // deep red
chart.AddSlice(new Slice(20f, 0x1D3557, "Oranges")); // navy blue
chart.AddSlice(new Slice(30f, 0x1A7468, "Bananas")); // dark teal
chart.AddSlice(new Slice(15f, 0xB16104, "Grapes")); // burnt orange
chart.AddSlice(new Slice(10f, 0x846F1E, "Lemons")); // dark gold
chart.DrawOn(page);
pdf.Complete();
}
public static void Main(String[] args) {
Stopwatch sw = Stopwatch.StartNew();
long time0 = sw.ElapsedMilliseconds;
new Example_25();
long time1 = sw.ElapsedMilliseconds;
sw.Stop();
Console.WriteLine($"Example_25 => {time1 - time0,4} ms");
}
} // End of Example_25.cs
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