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Trying to get SF Pro Display Thin Italics on iOS – Photoshop

I am writing an iOS app in Swift, and I want to use the system font, SF Pro. However, I can’t seem to figure out how to set the font weight at the same time as making the text italic. I know this was possible with Helvetica Neue with

UIFont(name: "HelveticaNeue-UltraLightItalic", size: 24.0)

But when using the system font, I can only seem to do one or the other like this

UIFont.italicSystemFont(ofSize: 24)

or

UIFont.systemFont(ofSize: 75.0, weight: UIFontWeightThin)

I have seen SF Pro Display Thin Italic in Font Book, and I know you can use it in editing apps like Sketch and Photoshop, but I have yet to find a way to get iOS to display it.

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4

Answers


  1. 0

    Here is one method:

        var fnt = UIFont.systemFont(ofSize: 75.0, weight: UIFontWeightThin)
    if let dsc = fnt.fontDescriptor.withSymbolicTraits(.traitItalic) {
        fnt = UIFont(descriptor: dsc, size: 0)
    }
    labelOne.font = fnt

    That should give you something to build on – such as turning it into an extension to make it flexible.

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  2. 0 
    UIFont(name: "SanFranciscoText-LightItalic", size: 24.0)

    In general, use this site for fonts: http://iosfonts.com/

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  3. 0

    Found this extension here

    extension UIFont {

func withTraits(traits:UIFontDescriptorSymbolicTraits...) -> UIFont? {
    guard let descriptorL = self.fontDescriptor.withSymbolicTraits(UIFontDescriptorSymbolicTraits(traits)) 
    else{
        return nil
    }
    return UIFont(descriptor: descriptorL, size: 0)
}

func boldItalic() -> UIFont? {
    return withTraits(traits: .traitBold, .traitItalic)
}

    Use the extension as:

    label.font = label.font.boldItalic()
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  4. 0

    As (an ugly) on-liner:

    UIFont(descriptor: UIFont.systemFont(ofSize: 14, weight: .thin).fontDescriptor.withSymbolicTraits(.traitItalic)!, size: 14)
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