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[iOS] Add support for colors with alpha #561

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[iOS] Add support for colors with alpha #561

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4b49abd
added support for colors with alpha
felix-ht Mar 3, 2021
b8deebc
fixed brace issue
felix-ht Mar 3, 2021
ab062fa
changed squence to argb to match android
felix-ht Mar 3, 2021
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17 changes: 14 additions & 3 deletions ios/Classes/Extensions.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -96,16 +96,27 @@ extension UIColor {
let start = hexString.index(hexString.startIndex, offsetBy: 1)
let hexColor = hexString[start...]

let scanner = Scanner(string: String(hexColor))
var hexNumber: UInt64 = 0

if hexColor.count == 6 {
let scanner = Scanner(string: String(hexColor))
var hexNumber: UInt64 = 0

if scanner.scanHexInt64(&hexNumber) {
r = CGFloat((hexNumber & 0xff0000) >> 16) / 255
g = CGFloat((hexNumber & 0x00ff00) >> 8) / 255
b = CGFloat(hexNumber & 0x0000ff) / 255
a = 255

self.init(red: r, green: g, blue: b, alpha: a)
return
}
}
else if hexColor.count == 8 {
if scanner.scanHexInt64(&hexNumber) {
a = CGFloat((hexNumber & 0xff000000) >> 24) / 255
r = CGFloat((hexNumber & 0x00ff0000) >> 16) / 255
g = CGFloat((hexNumber & 0x0000ff00) >> 8) / 255
b = CGFloat(hexNumber & 0x000000ff) / 255

self.init(red: r, green: g, blue: b, alpha: a)
return
}
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