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added highlightColor parameter for pie charts #2961

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merged 1 commit into from
Nov 15, 2017
Merged

added highlightColor parameter for pie charts #2961

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4 changes: 4 additions & 0 deletions Source/Charts/Data/Implementations/Standard/PieChartDataSet.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -105,13 +105,17 @@ open class PieChartDataSet: ChartDataSet, IPieChartDataSet
/// the color for the slice-text labels
open var entryLabelColor: NSUIColor? = nil

/// the color for the highlighted sector
open var highlightColor: NSUIColor? = nil

// MARK: - NSCopying

open override func copyWithZone(_ zone: NSZone?) -> AnyObject
{
let copy = super.copyWithZone(zone) as! PieChartDataSet
copy._sliceSpace = _sliceSpace
copy.selectionShift = selectionShift
copy.highlightColor = highlightColor
return copy
}
}
3 changes: 3 additions & 0 deletions Source/Charts/Data/Interfaces/IPieChartDataSet.swift
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Expand Up @@ -58,4 +58,7 @@ public protocol IPieChartDataSet: IChartDataSet

/// the color for the slice-text labels
var entryLabelColor: NSUIColor? { get set }

/// get/sets the color for the highlighted sector
var highlightColor: NSUIColor? { get set }
}
4 changes: 2 additions & 2 deletions Source/Charts/Renderers/PieChartRenderer.swift
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Expand Up @@ -733,8 +733,8 @@ open class PieChartRenderer: DataRenderer

let accountForSliceSpacing = sliceSpace > 0.0 && sliceAngle <= 180.0

context.setFillColor(set.color(atIndex: index).cgColor)
context.setFillColor(set.highlightColor?.cgColor ?? set.color(atIndex: index).cgColor)

let sliceSpaceAngleOuter = visibleAngleCount == 1 ?
0.0 :
sliceSpace / (ChartUtils.Math.FDEG2RAD * radius)
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