private void PrepareReset(Size availableSize)
{
this.radiusScale = RadRadialGauge.GetIndicatorRadiusScale(this);
this.center = new Point(availableSize.Width / 2, availableSize.Height / 2);
this.radius = Math.Min(availableSize.Width, availableSize.Height) / 2;
var gauge = this.Owner.OwnerGauge as RadRadialGauge;
var gaugeMinAngle = gauge.MinAngle;
var gaugeMaxAngle = gauge.MaxAngle;
var physicalLength = gaugeMaxAngle - gaugeMinAngle;
var logicalLength = Math.Abs(this.Owner.OwnerGauge.MaxValue - this.Owner.OwnerGauge.MinValue);
var logicalStartValue = this.StartValue - this.Owner.OwnerGauge.MinValue;
var startValueAngle = RadGauge.MapLogicalToPhysicalValue(logicalStartValue, physicalLength, logicalLength);
var actualValueAngle = RadGauge.MapLogicalToPhysicalValue(this.ActualValue - this.Owner.OwnerGauge.MinValue, physicalLength, logicalLength);
this.minAngle = gaugeMinAngle + startValueAngle;
this.maxAngle = gaugeMinAngle + actualValueAngle;
}
private void ArrangeRadially(double angle, Point center, double radius)
{
Point location = RadialGaugePanel.CreateRotatedPoint(angle, radius, center, RadRadialGauge.GetIndicatorRadiusScale(this));
Canvas.SetLeft(this.visualElement, location.X);
Canvas.SetTop(this.visualElement, location.Y);
}
private void PrivateUpdate()
{
this.radiusScale = RadRadialGauge.GetIndicatorRadiusScale(this);
this.UpdateAngleRestrictions();
}