CTParagraphStyle

paragraph_style.swift

var minimumLineHeight: CGFloat = 0
var maximumLineHeight: CGFloat = 0
let paragraphSettings: [CTParagraphStyleSetting] = [
	CTParagraphStyleSetting(spec: .minimumLineHeight, valueSize: MemoryLayout<CGFloat>.size, value: &minimumLineHeight),
	CTParagraphStyleSetting(spec: .maximumLineHeight, valueSize: MemoryLayout<CGFloat>.size, value: &maximumLineHeight)
]
// sizeof(T) ... MemoryLayout<T>.size

let paragraphStyle = CTParagraphStyleCreate(paragraphSettings, paragraphSettings.count)


// Attributed String

let attributes: [NSAttributedStringKey : Any] = [
	NSAttributedStringKey.init((kCTParagraphStyleAttributeName as String)) : paragraphStyle,
]

let attributedText = NSMutableAttributedString(string: "test", attributes: attributes)