private void UpdateCore()
{
var startAngle = RadialGaugePanel.ConvertDegreesToRadians(this.MinAngle);
double angle = RadialGaugePanel.CalculateAngle(this.CreateCalculateAngleContext(this.ActualValue));
if (startAngle > angle)
{
var tmp = startAngle;
startAngle = angle;
angle = tmp;
}
this.figure.StartPoint = RadialGaugePanel.CreateRotatedPoint(startAngle, this.Radius, this.Center, this.RadiusScale);
RadialBarGaugeIndicator.UpdateArc(this.CreateUpdateArcContext(angle, startAngle / Math.PI * 180));
}
/// <summary>
/// This method is called so that a segmented indicator can synchronize
/// its visual state with its current value.
/// </summary>
/// <param name="value">The value to synchronize with.</param>
internal override void SyncWithValue(double value)
{
double currentAngle = RadialGaugePanel.CalculateAngle(this.CreateCalculateAngleContext(value));
foreach (SegmentInfo info in this.SegmentInfos)
{
ArcSegment arc = (ArcSegment)info.PathSegment;
if (currentAngle >= info.Start && currentAngle <= info.End)
{
RadialBarGaugeIndicator.UpdateArc(this.CreateUpdateArcContext(currentAngle, arc));
arc.IsLargeArc = Math.Abs(currentAngle - info.Start) > Math.PI;
}
else if (currentAngle > info.End)
{
RadialBarGaugeIndicator.UpdateArc(this.CreateUpdateArcContext(info.End, arc));
arc.IsLargeArc = Math.Abs(info.End - info.Start) > Math.PI;
}
else if (currentAngle <= info.Start)
{
RadialBarGaugeIndicator.UpdateArc(this.CreateUpdateArcContext(info.Start, arc));
arc.IsLargeArc = false;
}
}
}