NSTextEffectLetterpressStyle: How to add a letterpress effect to text

Paul Hudson    September 20th 2017    @twostraws

You can add a subtle embossing effect to any text in your app using NSAttributedString and NSTextEffectLetterpressStyle. As an example, this code creates an attributed string using 24-point Georgia Bold in red, with Apple's letterpress effect applied, then writes it into a label:

let attrs = [NSAttributedStringKey.foregroundColor: UIColor.red,
             NSAttributedStringKey.font: UIFont(name: "Georgia-Bold", size: 24)!,
             NSAttributedStringKey.textEffect: NSAttributedString.TextEffectStyle.letterpressStyle as NSString
             ]

let string = NSAttributedString(string: "Hello, world!", attributes: attrs)
yourLabel.attributedText = string

Available from iOS 7.0

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