/// <summary>
/// Updates the series when the start or end angle changes.
/// </summary>
/// <param name="d">The Dependency Object</param>
/// <param name="e">The Event Arguments</param>
private static void OnAngleChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
CircularSeriesBase3D series = d as CircularSeriesBase3D;
if (series != null)
{
series.UpdateArea();
}
}
/// <summary>
/// Adds the pie adornments.
/// </summary>
/// <param name="x">The X Value</param>
/// <param name="y">The Y Value</param>
/// <param name="startAngle">The Start Angle</param>
/// <param name="endAngle">The End Angle</param>
/// <param name="index">The Index</param>
/// <param name="radius">The Radius</param>
/// <param name="startDepth">The Start Depth</param>
private void AddPieAdornments(double x, double y, double startAngle, double endAngle, int index, double radius, double startDepth)
{
startAngle = CircularSeriesBase3D.DegreeToRadianConverter(startAngle);
endAngle = DegreeToRadianConverter(endAngle);
var angle = (startAngle + endAngle) / 2;
Adornments.Add(PieSeries3D.CreateAdornment(this, x, y, angle, radius, startDepth));
Adornments[(int)x].Item = this.ActualData[index];
}
/// <summary>
/// Gets the actual center of the series.
/// </summary>
/// <param name="centerPoint">The Center Point</param>
/// <param name="radius">The Radius</param>
/// <returns>Returns the actual center point.</returns>
internal Point GetActualCenter(Point centerPoint, double radius)
{
if (this.Area != null && Area.Series.IndexOf(this) > 0)
{
return(centerPoint);
}
Point actualCenter = centerPoint;
double startAngle = this.StartAngle;
double endAngle = this.EndAngle;
double[] regions = new double[] { -630, -540, -450, -360, -270, -180, -90, 0, 90, 180, 270, 360, 450, 540, 630 };
List <int> region = new List <int>();
if (startAngle < endAngle)
{
for (int i = 0; i < regions.Count(); i++)
{
if (regions[i] > startAngle && regions[i] < endAngle)
{
region.Add((int)((regions[i] % 360) < 0 ? (regions[i] % 360) + 360 : (regions[i] % 360)));
}
}
}
else
{
for (int i = 0; i < regions.Count(); i++)
{
if (regions[i] < startAngle && regions[i] > endAngle)
{
region.Add((int)((regions[i] % 360) < 0 ? (regions[i] % 360) + 360 : (regions[i] % 360)));
}
}
}
var startRadian = 2 * Math.PI * (startAngle) / 360;
var endRadian = 2 * Math.PI * (endAngle) / 360;
Point startPoint = new Point(centerPoint.X + radius * Math.Cos(startRadian), centerPoint.Y + radius * Math.Sin(startRadian));
Point endPoint = new Point(centerPoint.X + radius * Math.Cos(endRadian), centerPoint.Y + radius * Math.Sin(endRadian));
switch (region.Count)
{
case 0:
var longX = Math.Abs(centerPoint.X - startPoint.X) > Math.Abs(centerPoint.X - endPoint.X) ? startPoint.X : endPoint.X;
var longY = Math.Abs(centerPoint.Y - startPoint.Y) > Math.Abs(centerPoint.Y - endPoint.Y) ? startPoint.Y : endPoint.Y;
var midPoint = new Point(Math.Abs((centerPoint.X + longX)) / 2, Math.Abs((centerPoint.Y + longY)) / 2);
actualCenter.X = centerPoint.X + (centerPoint.X - midPoint.X);
actualCenter.Y = centerPoint.Y + (centerPoint.Y - midPoint.Y);
break;
case 1:
Point point1 = new Point(), point2 = new Point();
var maxRadian = 2 * Math.PI * region[0] / 360;
var maxPoint = new Point(centerPoint.X + radius * Math.Cos(maxRadian), centerPoint.Y + radius * Math.Sin(maxRadian));
switch (region.ElementAt(0))
{
case 270:
point1 = new Point(startPoint.X, maxPoint.Y);
point2 = new Point(endPoint.X, centerPoint.Y);
break;
case 0:
case 360:
point1 = new Point(centerPoint.X, endPoint.Y);
point2 = new Point(maxPoint.X, startPoint.Y);
break;
case 90:
point1 = new Point(endPoint.X, centerPoint.Y);
point2 = new Point(startPoint.X, maxPoint.Y);
break;
case 180:
point1 = new Point(maxPoint.X, startPoint.Y);
point2 = new Point(centerPoint.X, endPoint.Y);
break;
}
midPoint = new Point((point1.X + point2.X) / 2, (point1.Y + point2.Y) / 2);
actualCenter.X = centerPoint.X + ((centerPoint.X - midPoint.X) >= radius ? 0 : (centerPoint.X - midPoint.X));
actualCenter.Y = centerPoint.Y + ((centerPoint.Y - midPoint.Y) >= radius ? 0 : (centerPoint.Y - midPoint.Y));
break;
case 2:
var minRadian = 2 * Math.PI * region[0] / 360;
maxRadian = 2 * Math.PI * (region[1]) / 360;
maxPoint = new Point(centerPoint.X + radius * Math.Cos(maxRadian), centerPoint.Y + radius * Math.Sin(maxRadian));
Point minPoint = new Point(centerPoint.X + radius * Math.Cos(minRadian), centerPoint.Y + radius * Math.Sin(minRadian));
if (region[0] == 0 && region[1] == 90 || region[0] == 180 && region[1] == 270)
{
point1 = new Point(minPoint.X, maxPoint.Y);
}
else
{
point1 = new Point(maxPoint.X, minPoint.Y);
}
if (region[0] == 0 || region[0] == 180)
{
point2 = new Point(CircularSeriesBase3D.GetMinMaxValue(startPoint, endPoint, region[0]), CircularSeriesBase3D.GetMinMaxValue(startPoint, endPoint, region[1]));
}
else
{
point2 = new Point(CircularSeriesBase3D.GetMinMaxValue(startPoint, endPoint, region[1]), CircularSeriesBase3D.GetMinMaxValue(startPoint, endPoint, region[0]));
}
midPoint = new Point(Math.Abs(point1.X - point2.X) / 2 >= radius ? 0 : (point1.X + point2.X) / 2, y: Math.Abs(point1.Y - point2.Y) / 2 >= radius ? 0 : (point1.Y + point2.Y) / 2);
actualCenter.X = centerPoint.X + (midPoint.X == 0 ? 0 : (centerPoint.X - midPoint.X) >= radius ? 0 : (centerPoint.X - midPoint.X));
actualCenter.Y = centerPoint.Y + (midPoint.Y == 0 ? 0 : (centerPoint.Y - midPoint.Y) >= radius ? 0 : (centerPoint.Y - midPoint.Y));
break;
}
return(actualCenter);
}
