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33 lines
782 B
Swift
33 lines
782 B
Swift
//
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// StringExtensions.swift
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// lottie-swift
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//
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// Created by Brandon Withrow on 1/25/19.
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//
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import Foundation
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import CoreGraphics
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extension String {
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func hexColorComponents() -> (red: CGFloat, green: CGFloat, blue: CGFloat) {
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var cString:String = trimmingCharacters(in: .whitespacesAndNewlines).uppercased()
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if (cString.hasPrefix("#")) {
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cString.remove(at: cString.startIndex)
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}
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if ((cString.count) != 6) {
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return (red: 0, green: 0, blue: 0)
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}
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var rgbValue:UInt64 = 0
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Scanner(string: cString).scanHexInt64(&rgbValue)
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return (red: CGFloat((rgbValue & 0xFF0000) >> 16) / 255.0,
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green: CGFloat((rgbValue & 0x00FF00) >> 8) / 255.0,
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blue: CGFloat(rgbValue & 0x0000FF) / 255.0)
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}
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}
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