private void DrawSnapIndicators(IDrawingContext dc, double radius)
{
for (int i = 0; i < 360; i += 15)
{
double d = i * 0.017453292519943295;
if (this.lockRadius)
{
double centerX = (this.wheelRadius * radius) * Math.Cos(d);
double centerY = (this.wheelRadius * radius) * Math.Sin(d);
dc.FillCircle(centerX, centerY, 2.0, this.snapMarkBrush);
}
else
{
double num5 = this.wheelRadius * Math.Cos(d);
double num6 = this.wheelRadius * Math.Sin(d);
dc.FillCircle(num5, num6, 2.0, this.snapMarkBrush);
}
}
if (!this.lockRadius)
{
for (int j = 0; j < 360; j += 15)
{
double num8 = j * 0.017453292519943295;
PointDouble num9 = new PointDouble(3.0 * Math.Cos(num8), 3.0 * Math.Sin(num8));
PointDouble num10 = new PointDouble(this.wheelRadius * Math.Cos(num8), this.wheelRadius * Math.Sin(num8));
dc.DrawLine(num9, num10, this.snapLineBrush, 1.0);
}
}
}
private void DrawSelectorNub(IDrawingContext dc, double theta, double radius)
{
PointDouble center = new PointDouble((radius * this.wheelRadius) * Math.Cos(theta), (radius * this.wheelRadius) * Math.Sin(theta));
double num2 = this.selectorWidth / 2;
Int32HsvColor hsvColor = this.hsvColor;
hsvColor.Value = 100;
this.selectorNubBrush.Color = base.Enabled ? hsvColor.ToGdipColor() : Color.Silver;
dc.FillCircle(center, num2, this.selectorNubBrush);
dc.DrawCircle(center, num2 - 1.0, whiteBrush, 1.0);
dc.DrawCircle(center, num2, base.Enabled ? nubOutlineBrush : grayBrush, 1.0);
}