protected override void CreateEmptyOption()
{
if (emptyOption != null)
{
return;
}
UIDoughnutOption option = new UIDoughnutOption();
option.Title = new UITitle();
option.Title.Text = "SunnyUI";
option.Title.SubText = "DoughnutChart";
var series = new UIDoughnutSeries();
series.Name = "饼状图";
series.Center = new UICenter(50, 55);
series.Radius.Inner = 40;
series.Radius.Outer = 70;
for (int i = 0; i < 5; i++)
{
series.AddData("Data" + i, (i + 1) * 20);
}
option.Series.Add(series);
emptyOption = option;
}
private void GetSeriesRect(UIDoughnutSeries series, ref Angle angle)
{
int left = series.Center.Left;
int top = series.Center.Top;
left = Width * left / 100;
top = Height * top / 100;
angle.Center = new PointF(left, top);
angle.Inner = Math.Min(Width, Height) * series.Radius.Inner / 200.0f;
angle.Outer = Math.Min(Width, Height) * series.Radius.Outer / 200.0f;
}
public void AddSeries(UIDoughnutSeries series)
{
Series.Clear();
Series.Add(series);
}
