ihealth_ios/Inhealth/IHDashView.swift

//
//  IHDashView.swift
//  Inhealth
//
//  Created by weclouds on 2019/12/12.
//  Copyright © 2019 weclouds. All rights reserved.
//

import UIKit

class IHDashView: UIView {
    
  convenience  init(strokeColor : CGColor? ,gap:Int?,lineWith:Int?) {
        self.init()
        self.strokeColor = strokeColor
        self.gap = gap
        self.lineWith = lineWith
    }
    
    var strokeColor : CGColor? = UIColor(hexString: "C6CDD5", transparency: 0.5)?.cgColor
    
    var gap : Int? = 3
    
    var lineWith : Int? = 1
    
    override var frame: CGRect{
        didSet{
            addDashView()
        }
    }
  private  override init(frame: CGRect) {
        super.init(frame: frame)
        
    }
    
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    func addDashView()  {

        let shapeLayer = CAShapeLayer()
        shapeLayer.bounds = self.bounds
        shapeLayer.position = CGPoint(x: self.frame.width / 2,  y: self.frame.height )
        shapeLayer.fillColor = UIColor.clear.cgColor
        //设置虚线颜色
        shapeLayer.strokeColor = strokeColor

        shapeLayer.lineWidth = 1 //设置虚线高度
        shapeLayer.lineJoin = CAShapeLayerLineJoin.round
        shapeLayer.lineDashPhase = 0
        //设置虚线线宽以及间距
        shapeLayer.lineDashPattern = [NSNumber(value: gap!), NSNumber(value: lineWith!)]

        let path = CGMutablePath()
        //设置虚线绘制i起点
        path.move(to: CGPoint(x: 0, y: 0))
        //设置虚线绘制终点
        path.addLine(to: CGPoint(x: self.frame.width, y: 0 ))
        shapeLayer.path = path

        self.layer.addSublayer(shapeLayer)
    }
}