Fixed transparent circle hole rendering (Closes #1691, closes #1711)

ChartsOrg · Nov 2, 2016 · 37f21a1 · 37f21a1 · liuxuan30 · Nov 3, 2016
1 parent 8ba3707
commit 37f21a1
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/Source/Charts/Renderers/LineChartRenderer.swift b/Source/Charts/Renderers/LineChartRenderer.swift
@@ -665,10 +665,14 @@ 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)
+                    rect.origin.x = pt.x - circleHoleRadius
+                    rect.origin.y = pt.y - circleHoleRadius
+                    rect.size.width = circleHoleDiameter
+                    rect.size.height = circleHoleDiameter
+                    context.addEllipse(in: rect)
 
                     // Fill in-between
-                    context.fillPath()
+                    context.fillPath(using: .evenOdd)
                 }
                 else
                 {