Pixel perfect Zeplin texts

PixelPerfectZeplinTextsPrototype.swift

struct TextStyle {
    let fontSize: CGFloat
    let weight: CGFloat
    let lineHeight: CGFloat
    let textColor: UIColor
}

extension String {
    
    func attributedString(with style: TextStyle) -> NSAttributedString {
        let font = UIFont.systemFont(ofSize: style.fontSize, weight: style.weight)
        
        let paragraph = NSMutableParagraphStyle()
        paragraph.alignment = .center
        paragraph.lineSpacing = 0.0
        paragraph.maximumLineHeight = style.lineHeight
        paragraph.minimumLineHeight = style.lineHeight
        
        let attributes: [String : Any] = [
            NSParagraphStyleAttributeName: paragraph,
            NSForegroundColorAttributeName: style.textColor,
            NSKernAttributeName: 0.15,
            NSFontAttributeName: font
        ]
        
        return NSAttributedString(string: self, attributes: attributes)
    }
    
}

PPZeplinTextsPlayground.swift

let view = UIView(frame: CGRect(x: 0.0, y: 0.0, width: 480.0, height: 480.0))

view.backgroundColor = UIColor.white

// Body text

let bodyStyle = TextStyle(
    fontSize: 16.0,
    weight: UIFontWeightRegular,
    lineHeight: 24.0,
    textColor: UIColor(red: 0.0, green: 0.0, blue: 0.0, alpha: 0.87)
)

let text = "На электронную почту отправлено\nписьмо со ссылкой. Перейдите\nпо этой ссылке, чтобы восстановить\nпароль."

let label = UILabel(frame: CGRect(x: 20.0, y: 200.0, width: 335.0, height: 9999.0))

label.attributedText = text.attributedString(with: bodyStyle)

label.numberOfLines = 0
label.sizeToFit()

view.addSubview(label)

// Footer

let footerStyle = TextStyle(
    fontSize: 14.0,
    weight: UIFontWeightRegular,
    lineHeight: 22.0,
    textColor: UIColor(red: 138.0 / 255.0, green: 138.0 / 255.0, blue: 138.0 / 255.0, alpha: 1.0)
)

let footerText = "Если вы не видите письмо, обязательно\nпроверьте, не попало ли оно в спам."

let footerLabel = UILabel(frame: CGRect(x: 20.0, y: 300.0, width: 400.0, height: 44.0))

footerLabel.attributedText = footerText.attributedString(with: footerStyle)

footerLabel.numberOfLines = 0
footerLabel.sizeToFit()

view.addSubview(footerLabel)

PlaygroundPage.current.liveView = view