protected override void OnRender(IDrawingContext dc, RectFloat clipRect)
{
dc.Clear(new ColorRgba128Float?(this.BackColor));
using (dc.UseTranslateTransform(0.5f, 0.5f, MatrixMultiplyOrder.Append))
{
RectDouble num = RectDouble.Inflate(base.ClientRectangle.ToRectInt32(), -1.0, -1.0);
double num3 = Math.Min(num.Width, num.Height) / 2.0;
PointDouble center = new PointDouble(num.X + num3, num.Y + num3);
double d = MathUtil.DegreesToRadians(this.value);
EllipseDouble ellipse = new EllipseDouble(center, num3 - 0.5, num3 - 0.5);
double thickness = this.hover ? 2.0 : 1.0;
double num8 = this.maxValue - this.minValue;
if (num8 >= 360.0)
{
dc.FillEllipse(ellipse, validAnglesFillBrush);
dc.DrawEllipse(ellipse, outlineBrush, thickness);
}
else
{
dc.FillEllipse(ellipse, invalidAnglesFillBrush);
double width = num3;
PointDouble num14 = new PointDouble(center.X + (width * Math.Cos(MathUtil.DegreesToRadians(this.minValue))), center.Y - (width * Math.Sin(MathUtil.DegreesToRadians(this.minValue))));
PointDouble num15 = new PointDouble(center.X + (width * Math.Cos(MathUtil.DegreesToRadians(this.maxValue))), center.Y - (width * Math.Sin(MathUtil.DegreesToRadians(this.maxValue))));
SizeDouble num16 = new SizeDouble(width, width);
if (this.validRangeGeometry == null)
{
this.validRangeGeometry = new PathGeometry();
this.validRangeFigure = new PathFigure();
this.validRangeFigure.IsFilled = true;
this.validRangeFigure.IsClosed = true;
this.validRangeGeometry.Figures.Add(this.validRangeFigure);
this.validRangeLineSegment1 = new LineSegment();
this.validRangeFigure.Segments.Add(this.validRangeLineSegment1);
this.validRangeArcSegment = new ArcSegment();
this.validRangeArcSegment.SweepDirection = SweepDirection.Counterclockwise;
this.validRangeFigure.Segments.Add(this.validRangeArcSegment);
this.validRangeLineSegment2 = new LineSegment();
this.validRangeFigure.Segments.Add(this.validRangeLineSegment2);
}
this.validRangeFigure.StartPoint = center;
this.validRangeLineSegment1.Point = num14;
this.validRangeArcSegment.Point = num15;
this.validRangeArcSegment.IsLargeArc = num8 >= 180.0;
this.validRangeArcSegment.Size = num16;
this.validRangeLineSegment2.Point = num15;
dc.FillGeometry(this.validRangeGeometry, validAnglesFillBrush, null);
dc.DrawEllipse(ellipse, outlineBrush, thickness);
dc.DrawLine(center, num14, outlineBrush, 0.5);
dc.DrawLine(center, num15, outlineBrush, 0.5);
}
double num9 = num3 - 2.0;
PointDouble num10 = new PointDouble(center.X + (num9 * Math.Cos(d)), center.Y - (num9 * Math.Sin(d)));
double radius = 2.5;
EllipseDouble num12 = new EllipseDouble(center, radius);
dc.FillEllipse(num12, gripFillBrush);
dc.DrawLine(center, num10, gripBrush, this.hover ? 2.0 : 1.5);
}
base.OnRender(dc, clipRect);
}