Nick Donaldson
1bccfe2cc1
Using public visibility means that developers are unable to simultaneously use hypersolo/Hue along with Lightbox since both modules contain a globally imported extension of the same format - UIColor.init(hex: String)
28 lines
904 B
Swift
28 lines
904 B
Swift
import UIKit
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internal extension UIColor {
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/// Constructing color from hex string
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///
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/// - Parameter hex: A hex string, can either contain # or not
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convenience init(hex string: String) {
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var hex = string.hasPrefix("#")
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? String(string.dropFirst())
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: string
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guard hex.count == 3 || hex.count == 6
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else {
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self.init(white: 1.0, alpha: 0.0)
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return
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}
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if hex.count == 3 {
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for (index, char) in hex.enumerated() {
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hex.insert(char, at: hex.index(hex.startIndex, offsetBy: index * 2))
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}
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}
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self.init(
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red: CGFloat((Int(hex, radix: 16)! >> 16) & 0xFF) / 255.0,
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green: CGFloat((Int(hex, radix: 16)! >> 8) & 0xFF) / 255.0,
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blue: CGFloat((Int(hex, radix: 16)!) & 0xFF) / 255.0, alpha: 1.0)
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}
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}
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