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kristopherjohnson/CGPath_forEach.swift

Created December 28, 2016 14:29
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A Swift-friendly wrapper for CGPath.apply()
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CGPath_forEach.swift
import CoreGraphics
extension CGPath {
/// Call the given closure on each element of the path.
func forEach(_ body: @escaping (CGPathElement) -> Void) {
var info = body
self.apply(info: &info) { (infoPtr, elementPtr) in
let opaquePtr = OpaquePointer(infoPtr!)
let body = UnsafeMutablePointer<(CGPathElement) -> Void>(opaquePtr).pointee
body(elementPtr.pointee)
}
}
}
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kristopherjohnson commented Dec 28, 2016 •
edited
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See http://www.openradar.me/radar?id=5065840256876544 for explanation of why this wrapper is desirable.

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