[swift-users] Initializing a UIColor

[Charles Lane]

I agree, however, I like your workaround better than all the extra parentheses and CGFloats!



> On May 11, 2016, at 10:37 AM, Erica Sadun <erica at ericasadun.com> wrote:
> 
>> 
>>> On May 11, 2016, at 9:57 AM, Dennis Weissmann <dennis at dennisweissmann.me <mailto:dennis at dennisweissmann.me>> wrote:
>>> 
>>> Huh! There’s a new overload for that initializer:
>>> 
>>> <Screen Shot 2016-05-11 at 3.52.34 PM.png>
>>> 
>>> The one that takes CGFloats is the one that was there before, but the one taking Floats is new!
>>> 
>>> You can work around like this:
>>> 
>>> let color = UIColor(red: CGFloat(0.892), green: CGFloat(0.609), blue: CGFloat(0.048),  alpha: CGFloat(1.000))
>>> or
>>> let color = UIColor(red: Float(0.892), green: Float(0.609), blue: Float(0.048),  alpha: Float(1.000))
>>> 
>>> - Dennis
> 
> 
> Wow, that's a ridiculous situation to have.  Who uses Float with iOS/tvOS anyway? 
> 
> I created a workaround, but I hate it:
> 
> extension Double {
>     var cg: CGFloat { return CGFloat(self) }
> }
> 
> class ViewController: UIViewController {
>     override func viewDidLoad() {
>         super.viewDidLoad()        
>         let c = UIColor(red: 0.5.cg, green: 0.5, blue: 0.5, alpha: 0.5)
>     }
> }
> 
> -- E
> 

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