Cocoa の NSColor から色の 16 進数値を取得できるかどうかは誰にもわかりませんか?
5002 次
5 に答える
4
色空間の問題が原因でクラッシュしない解決策:
import Cocoa
extension NSColor {
var hexString: String {
guard let rgbColor = usingColorSpaceName(NSColorSpaceName.calibratedRGB) else {
return "#FFFFFF"
}
let red = Int(round(rgbColor.redComponent * 0xFF))
let green = Int(round(rgbColor.greenComponent * 0xFF))
let blue = Int(round(rgbColor.blueComponent * 0xFF))
let hexString = NSString(format: "#%02X%02X%02X", red, green, blue)
return hexString as String
}
}
于 2016-09-11T00:04:45.040 に答える
4
私は DAH のソリューションが好きで、関数ではなく計算されたプロパティにします。
import Cocoa
extension NSColor {
var hexString: String {
let red = Int(round(self.redComponent * 0xFF))
let green = Int(round(self.greenComponent * 0xFF))
let blue = Int(round(self.blueComponent * 0xFF))
let hexString = NSString(format: "#%02X%02X%02X", red, green, blue)
return hexString as String
}
}
于 2015-09-02T05:09:15.540 に答える
2
オプションは、NSColor への拡張機能を作成することです
public extension NSColor {
func getHexString() -> String {
let red = Int(round(self.redComponent * 0xFF))
let grn = Int(round(self.greenComponent * 0xFF))
let blu = Int(round(self.blueComponent * 0xFF))
let hexString = NSString(format: "#%02X%02X%02X", red, grn, blu)
return hexString
}
}
于 2014-12-10T11:23:24.540 に答える