public override RadialSegment HitTest(RadPolarPoint point)
{
foreach (var item in this.Segments)
{
var layoutSlot = item.LayoutSlot;
bool insideAngleRange = false;
// TODO: consider refactor this.
if (layoutSlot.StartAngle > 270 && layoutSlot.StartAngle + layoutSlot.SweepAngle > 360)
{
var startAng = layoutSlot.StartAngle > 270 ? layoutSlot.StartAngle - 360 : layoutSlot.StartAngle;
var endAng = (layoutSlot.StartAngle + layoutSlot.SweepAngle) % 360;
var currentAngle = point.Angle > 270 ? point.Angle - 360 : point.Angle;
insideAngleRange = startAng <= currentAngle && currentAngle <= endAng;
}
else
{
insideAngleRange = layoutSlot.StartAngle <= point.Angle &&
layoutSlot.StartAngle + layoutSlot.SweepAngle >= point.Angle;
}
if (layoutSlot.InnerRadius <= point.Radius &&
layoutSlot.OuterRadius >= point.Radius &&
insideAngleRange)
{
return(item);
}
}
return(null);
}
public abstract RadialSegment HitTest(RadPolarPoint point);
