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This is the Obj-C code:
CGContextSetStrokeColorWithColor(context, [[UIColor lightGrayColor] CGColor]);
How do I write it in swift.
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A UIColor object is typically represented internally as a Core Graphics color (CGColor) in a Core Graphics color space (CGColorSpace). There are methods and properties that return the underlying color data. UIColor, is used to apply color operations on UIKit interface elements like UIImage, UIView etc...
CGColor is the fundamental data type used internally by Core Graphics to represent colors. CGColor objects, and the functions that operate on them, provide a fast and convenient way of managing and setting colors directly, especially colors that are reused (such as black for text).
// Original answer.
var newColor = UIColor.lightGrayColor().CGColor
// Swift 3 version
var newColor = UIColor.lightGray.cgColor
Oddly enough, as Swift has evolved to 3.0 the answer has evolved as well. I ran across this while converting some Objective C code to Swift. I hope this helps someone! :-) Here is what it is today:
context.setStrokeColor(UIColor.lightGray.cgColor)
And it's funny, this "light gray" answer is actually helping me debug some code too! Thank iou!
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