-
-
Save barrault01/d8445456a944dcc42ab1 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// Creates a UIColor from a Hex string. | |
func colorWithHexInString(hex : String) -> UIColor { | |
var cString:String = hex.stringByTrimmingCharactersInSet(NSCharacterSet.whitespaceAndNewlineCharacterSet()).uppercaseString | |
if (cString.hasPrefix("#")) { | |
cString = cString.substringFromIndex(advance(cString.startIndex, 1)) | |
} | |
if (countElements(cString) != 6) { | |
return UIColor.grayColor() | |
} | |
var rString = cString.substringToIndex(advance(cString.startIndex, 2)) | |
var gString = cString.substringFromIndex(advance(cString.startIndex, 2)).substringToIndex(advance(cString.startIndex, 2)) | |
var bString = cString.substringFromIndex(advance(cString.startIndex, 4)).substringToIndex(advance(cString.startIndex, 2)) | |
var r:CUnsignedInt = 0, g:CUnsignedInt = 0, b:CUnsignedInt = 0; | |
NSScanner.scannerWithString(rString).scanHexInt(&r) | |
NSScanner.scannerWithString(gString).scanHexInt(&g) | |
NSScanner.scannerWithString(bString).scanHexInt(&b) | |
var red = CGFloat(r)/255.0 | |
var green = CGFloat(g)/255.0 | |
var blue = CGFloat(b)/255.0 | |
var alpha = CGFloat(1) | |
return UIColor(red: red, green: green, blue: blue, alpha: alpha) | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment