26 lines
735 B
Swift
26 lines
735 B
Swift
//
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// MTColor.swift
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// MathRenderSwift
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//
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// Created by Mike Griebling on 2022-12-31.
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//
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import Foundation
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extension MTColor {
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static func color(fromHexString hexString:String) -> MTColor? {
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if hexString.isEmpty { return nil }
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if !hexString.hasPrefix("#") { return nil }
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var rgbValue = UInt64(0)
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let scanner = Scanner(string: hexString)
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scanner.charactersToBeSkipped = CharacterSet(charactersIn: "#")
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scanner.scanHexInt64(&rgbValue)
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return MTColor(red: CGFloat((rgbValue & 0xFF0000) >> 16)/255.0,
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green: CGFloat((rgbValue & 0xFF00) >> 8)/255.0,
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blue: CGFloat((rgbValue & 0xFF))/255.0, alpha: 1.0)
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}
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}
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