////////////////////////////////////////////////////////////////////
// Draw Pie Chart
////////////////////////////////////////////////////////////////////
public void DrawPieChart()
{
// create Chart object
Chart PieChart = PdfChart.CreateChart(Document, 6.5, 4.0, 300.0);
// create PdfChart object
PdfChart PiePdfChart = new PdfChart(Document, PieChart);
PiePdfChart.SaveAs = SaveImageAs.IndexedImage;
// make sure we have good quality image
PieChart.AntiAliasing = AntiAliasingStyles.None; //.All;
// set colors
PieChart.BackColor = Color.FromArgb(220, 220, 255);
PieChart.Palette = ChartColorPalette.BrightPastel;
// title (font size is 0.25 inches)
Font TitleFont1 = PiePdfChart.CreateFont("Verdana", FontStyle.Bold, 0.25, FontSizeUnit.UserUnit);
Title Title1 = new Title("Pie Chart Example", Docking.Top, TitleFont1, Color.Purple);
PieChart.Titles.Add(Title1);
// title (font size is 0.25 inches)
Font TitleFont2 = PiePdfChart.CreateFont("Verdana", FontStyle.Bold, 0.15, FontSizeUnit.UserUnit);
Title Title2 = new Title("Percent Fruit Sales", Docking.Top, TitleFont2, Color.Purple);
PieChart.Titles.Add(Title2);
// default font
Font DefaultFont = PiePdfChart.CreateFont("Verdana", FontStyle.Regular, 0.12, FontSizeUnit.UserUnit);
// legend
Legend Legend1 = new Legend();
PieChart.Legends.Add(Legend1);
Legend1.BackColor = Color.FromArgb(230, 230, 255);
Legend1.Docking = Docking.Bottom;
Legend1.Font = DefaultFont;
// chart area
ChartArea ChartArea1 = new ChartArea();
PieChart.ChartAreas.Add(ChartArea1);
// chart area background color
ChartArea1.BackColor = Color.FromArgb(255, 200, 255);
// series 1
Series Series1 = new Series();
PieChart.Series.Add(Series1);
Series1.ChartType = SeriesChartType.Pie;
Series1.Font = DefaultFont;
Series1.IsValueShownAsLabel = true;
Series1.LabelFormat = "{0} %";
// series values
Series1.Points.Add(20.0);
Series1.Points[0].LegendText = "Apple";
Series1.Points.Add(25.0);
Series1.Points[1].LegendText = "Banana";
Series1.Points.Add(10.0);
Series1.Points[2].LegendText = "Pear";
Series1.Points.Add(30.0);
Series1.Points[3].LegendText = "Orange";
Series1.Points.Add(15.0);
Series1.Points[4].LegendText = "Grape";
// draw chart into page contents
Contents.DrawChart(PiePdfChart, 1.0, 6.0);
return;
}
////////////////////////////////////////////////////////////////////
// Draw chart
////////////////////////////////////////////////////////////////////
private void DrawChart()
{
// save graphics state
Contents.SaveGraphicsState();
// create chart
Chart PieChart = PdfChart.CreateChart(Document, 1.8, 1.5, 300.0);
// create PdfChart object with Chart object
PdfImageControl ImageControl = new PdfImageControl();
ImageControl.SaveAs = SaveImageAs.IndexedImage;
PdfChart PiePdfChart = new PdfChart(Document, PieChart, ImageControl);
// make sure we have good quality image
PieChart.AntiAliasing = AntiAliasingStyles.None; //.All;
// set colors
PieChart.BackColor = Color.FromArgb(220, 220, 255);
PieChart.Palette = ChartColorPalette.BrightPastel;
// default font
Font DefaultFont = PiePdfChart.CreateFont("Verdana", FontStyle.Regular, 0.05, FontSizeUnit.UserUnit);
Font TitleFont = PiePdfChart.CreateFont("Verdana", FontStyle.Bold, 0.07, FontSizeUnit.UserUnit);
// title (font size is 0.25 inches)
Title Title1 = new Title("Pie Chart Example", Docking.Top, TitleFont, Color.Purple);
PieChart.Titles.Add(Title1);
// legend
Legend Legend1 = new Legend();
PieChart.Legends.Add(Legend1);
Legend1.BackColor = Color.FromArgb(230, 230, 255);
Legend1.Docking = Docking.Bottom;
Legend1.Font = DefaultFont;
// chart area
ChartArea ChartArea1 = new ChartArea();
PieChart.ChartAreas.Add(ChartArea1);
// chart area background color
ChartArea1.BackColor = Color.FromArgb(255, 200, 255);
// series 1
Series Series1 = new Series();
PieChart.Series.Add(Series1);
Series1.ChartType = SeriesChartType.Pie;
Series1.Font = DefaultFont;
Series1.IsValueShownAsLabel = true;
Series1.LabelFormat = "{0} %";
// series values
Series1.Points.Add(22.0);
Series1.Points[0].LegendText = "Apple";
Series1.Points.Add(27.0);
Series1.Points[1].LegendText = "Banana";
Series1.Points.Add(33.0);
Series1.Points[2].LegendText = "Orange";
Series1.Points.Add(18.0);
Series1.Points[3].LegendText = "Grape";
Contents.DrawChart(PiePdfChart, 5.6, 5.0);
// restore graphics state
Contents.RestoreGraphicsState();
return;
}
