UILabel带有对角删除线的文本 [英] UILabel's text with diagonal strikethrough line

问题描述

我想用UILabel文字制作这样的效果

I would like to make an effect like this, with UILabel text

我该怎么做?我在网上找不到任何帮助；我刚刚找到了关于水平线的帮助

how can I do that? I didn't find any help on web; I just found help with horizontal line

PS:对不起，我的英语不好，我是意大利人:)

PS: sorry for my bad english, I'm italian :)

推荐答案

enoktate的答案已更新为 Swift 4.2 ，并作为扩展名写成

enoktate's answer updated to Swift 4.2, and written as an extension

extension UILabel {
    /// Strikes through diagonally
    /// - Parameters:
    /// - offsetPercent: Improve visual appearance or flip line completely by passing a value between 0 and 1
    func diagonalStrikeThrough(offsetPercent: CGFloat = 0.1) {
        let linePath = UIBezierPath()
        linePath.move(to: CGPoint(x: 0, y: bounds.height * (1 - offsetPercent)))
        linePath.addLine(to: CGPoint(x: bounds.width, y: bounds.height * offsetPercent))

        let lineLayer = CAShapeLayer()
        lineLayer.path = linePath.cgPath
        lineLayer.lineWidth = 2
        lineLayer.strokeColor = textColor.cgColor
        layer.addSublayer(lineLayer)
    }
}

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