protected override void CreateEmptyOption()
{
if (emptyOption != null)
{
return;
}
UIPieOption option = new UIPieOption();
option.Title = new UITitle();
option.Title.Text = "SunnyUI";
option.Title.SubText = "PieChart";
var series = new UIPieSeries();
series.Name = "饼状图";
series.Center = new UICenter(50, 55);
series.Radius = 70;
for (int i = 0; i < 5; i++)
{
series.AddData("Data" + i, (i + 1) * 20);
}
option.Series.Add(series);
emptyOption = option;
}
private float RadiusSize(UIPieSeries series)
{
int left = series.Center.Left;
int top = series.Center.Top;
left = Width * left / 100;
top = Height * top / 100;
return(Math.Min(Width, Height) * series.Radius / 200.0f);
}
private Point DrawCenter(UIPieSeries series)
{
int left = series.Center.Left;
int top = series.Center.Top;
left = Width * left / 100;
top = Height * top / 100;
return(new Point(left, top));
}
private RectangleF GetSeriesRect(UIPieSeries series)
{
int left = series.Center.Left;
int top = series.Center.Top;
left = Width * left / 100;
top = Height * top / 100;
float halfRadius = Math.Min(Width, Height) * series.Radius / 200.0f;
return(new RectangleF(left - halfRadius, top - halfRadius, halfRadius * 2, halfRadius * 2));
}
public void AddSeries(UIPieSeries series)
{
Series.Clear();
Series.Add(series);
}
private float RadiusSize(UIPieSeries series)
{
return(Math.Min(Width, Height) * series.Radius / 200.0f);
}