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- import UIKit
- extension UIColor {
- convenience init(red: Int, green: Int, blue: Int) {
- assert(red >= 0 && red <= 255, "Invalid red component")
- assert(green >= 0 && green <= 255, "Invalid green component")
- assert(blue >= 0 && blue <= 255, "Invalid blue component")
- self.init(red: CGFloat(red) / 255.0, green: CGFloat(green) / 255.0, blue: CGFloat(blue) / 255.0, alpha: 1.0)
- }
- convenience init(red: Int, green: Int, blue: Int, alpha: CGFloat) {
- assert(red >= 0 && red <= 255, "Invalid red component")
- assert(green >= 0 && green <= 255, "Invalid green component")
- assert(blue >= 0 && blue <= 255, "Invalid blue component")
- self.init(red: CGFloat(red) / 255.0, green: CGFloat(green) / 255.0, blue: CGFloat(blue) / 255.0, alpha: alpha)
- }
- convenience init(hex:Int) {
- self.init(red:(hex >> 16) & 0xff, green:(hex >> 8) & 0xff, blue:hex & 0xff)
- }
- convenience init(hex:Int, alpha: CGFloat) {
- self.init(red:(hex >> 16) & 0xff, green:(hex >> 8) & 0xff, blue:hex & 0xff, alpha: alpha)
- }
- }
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