fix ChartsOrg#1691

1. M_PI_2 is Pi / 2, not Pi * 2; 2. clockwise in UIKit and CoreGraphics is flipped; 3. using even odd rule to fill between two arcs
liuxuan30 · Oct 25, 2016 · 33f63ac · 33f63ac
1 parent 8ef870a
commit 33f63ac
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/Source/Charts/Renderers/LineChartRenderer.swift b/Source/Charts/Renderers/LineChartRenderer.swift
@@ -665,10 +665,10 @@ open class LineChartRenderer: LineRadarRenderer
                     context.addEllipse(in: rect)
 
                     // Cut hole in path
-                    context.addArc(center: pt, radius: circleHoleRadius, startAngle: 0.0, endAngle: CGFloat(M_PI_2), clockwise: true)
+                    context.addArc(center: pt, radius: circleHoleRadius, startAngle: 0.0, endAngle: CGFloat(M_PI * 2), clockwise: false)
 
                     // Fill in-between
-                    context.fillPath()
+                    context.fillPath(using: .evenOdd)
                 }
                 else
                 {