private void AddChart()
{
ps = new PieStyle();
pl = new PieLegend();
double[] data = new double[] { 30, 35, 15, 10, 8 };
//int[] explode = new int[] { 20, 0, 0, 20, 0 };
string[] labels = new string[] { "Soc. Sec. Tax", "Income Tax", "Borrowing", "Corp. Tax", "Misc." };
for (int i = 0; i < data.Length; i++)
{
ps.DataList.Add(data[i]);
//ps.ExplodeList.Add(explode[i]);
ps.LabelList.Add(labels[i]);
}
ps.ColormapBrushes.ColormapBrushType = ColormapBrush.ColormapBrushEnum.Summer;
ps.AddPie(chartCanvas);
pl.IsLegendVisible = true;
pl.AddLegend(legendCanvas, ps);
}
public void AddLegend(Canvas canvas, PieStyle ps)
{
TextBlock tb = new TextBlock();
if (ps.DataList.Count < 1 || !IsLegendVisible)
{
return;
}
double legendWidth = 0;
Size size = new Size(0, 0);
for (int i = 0; i < ps.LabelList.Count; i++)
{
tb = new TextBlock();
tb.Text = ps.LabelList[i];
tb.Measure(new Size(Double.PositiveInfinity, Double.PositiveInfinity));
size = tb.DesiredSize;
if (legendWidth < size.Width)
{
legendWidth = size.Width;
}
}
legendWidth += 20;
canvas.Width = legendWidth + 5;
double legendHeight = 17 * ps.DataList.Count;
double sx = 6;
double sy = 0;
double textHeight = size.Height;
double lineLength = 34;
Rectangle legendRect = new Rectangle();
legendRect.Stroke = Brushes.Black;
legendRect.Fill = Brushes.White;
legendRect.Width = legendWidth + 18;
legendRect.Height = legendHeight;
if (IsLegendVisible)
{
canvas.Children.Add(legendRect);
}
Rectangle rect;
int n = 1;
foreach (double data in ps.DataList)
{
double xText = 2 * sx + lineLength;
double yText = n * sy + (2 * n - 1) * textHeight / 2;
rect = new Rectangle();
rect.Stroke = ps.BorderColor;
rect.StrokeThickness = ps.BorderThickness;
rect.Fill = ps.ColormapBrushes.ColormapBrushes()[n - 1];
rect.Width = 10;
rect.Height = 10;
Canvas.SetLeft(rect, sx + lineLength / 2 - 15);
Canvas.SetTop(rect, yText - 2);
canvas.Children.Add(rect);
tb = new TextBlock();
tb.Text = ps.LabelList[n - 1];
canvas.Children.Add(tb);
Canvas.SetTop(tb, yText - size.Height / 2 + 2);
Canvas.SetLeft(tb, xText - 15);
n++;
}
canvas.Width = legendRect.Width;
canvas.Height = legendRect.Height;
}