Swift 基础组件之像素转 Point

Posted 2021-12-20 夏天然后

import Foundation

public extension Float 
    /// 像素值转 point 值
    var px: CGFloat 
        kAdapt(CGFloat(self))
    


public extension Double 
    /// 像素值转 point 值
    var px: CGFloat 
        kAdapt(CGFloat(self))
    


public extension Int 
    /// 像素值转 point 值
    var px: CGFloat 
        kAdapt(CGFloat(self))
    


public extension CGFloat 
    /// 像素值转 point 值
    var px: CGFloat 
        kAdapt(self)
    


public extension CGSize 
    /// 像素值转 point 值
    var px: CGSize 
        CGSize(width: width.px, height: height.px)
    


public extension CGRect 
    /// 像素值转 point 值
    var px: CGRect 
        CGRect(x: origin.x.px, y: origin.y.px, width: size.width.px, height: size.height.px)
    


public extension UIEdgeInsets 
    /// 像素值转 point 值
    var px: UIEdgeInsets 
        UIEdgeInsets(top: top.px, left: left.px, bottom: bottom.px, right: right.px)
    


// MARK: -

private func kAdapt(_ x: CGFloat) -> CGFloat 
    x * kScreenWidth * 1.0 / 750.0


private let kScreenWidth = UIScreen.main.bounds.size.width