How to configure your UI System Image programatically?

@jmgawecki

Mar '21

Hey guys. Ive got my system image in my enum

static let plusLarge                = UIImage(systemName: "plus",
                                                  withConfiguration: UIImage.SymbolConfiguration(scale: .large))

As you can see I have managed to configure its scale, but on top of that I would also like to specify weight's value for that system image. I've tried few tricks but at the end of the day I have no idea how to add both, scale and weight at once.

Many thank for any help.

@NigelGee HWS+

Mar '21

If you doing it SwiftUI there is a great video by Stewart Lynch Two SwiftUI Enum Use Cases, maybe look at this and you might be able to use similar for Swift

@roosterboy HWS+

Mar '21

It looks like your options are limited. UISymbolConfiguration has the following initializers:

init(pointSize: CGFloat)
init(pointSize: CGFloat, weight: UIImage.SymbolWeight)
init(pointSize: CGFloat, weight: UIImage.SymbolWeight, scale: UIImage.SymbolScale)
init(scale: UIImage.SymbolScale)
init(textStyle: UIFont.TextStyle)
init(textStyle: UIFont.TextStyle, scale: UIImage.SymbolScale)
init(weight: UIImage.SymbolWeight)
init(font: UIFont)
init(font: UIFont, scale: UIImage.SymbolScale)

As you can see, there's no combination that lets you pass in a scale and a weight unless you also give it a point size or a complete UIFont object (which can have a weight as one of its properties). You might think you could supply a system font of the desired weight, but you would still need to give it a point size in the UIFont initializer.

Unless I'm missing something, you can't create a UIImage.SymbolConfiguration with just a weight and a scale.

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