ihealth_ios/Inhealth/IHSliderIndicatorView.swift

//
//  IHSliderIndicatorView.swift
//  Inhealth
//
//  Created by weclouds on 2019/12/28.
//  Copyright © 2019 weclouds. All rights reserved.
//

import UIKit

class IHSliderIndicatorView: UIView {
    var backColor :UIColor? = .white{
        didSet{
            self.layer.borderColor = self.backColor?.cgColor;
                 
            self.layer.shadowColor = self.backColor?.cgColor;
        }
    }
    override init(frame: CGRect) {
        super.init(frame: frame)
        self.frame = CGRect(x: 0, y: 0, width: 12, height: 12)
     
        self.backgroundColor = UIColor.white;
       
             
        self.layer.shadowColor = UIColor.black.cgColor;
         //阴影
         
        self.layer.shadowOffset = .zero;
        self.layer.shadowOpacity = 0.7;
        self.layer.shadowRadius = 4; //半径
        self.layer.cornerRadius = self.frame.size.width / 2;
        self.layer.borderWidth = 2;
    }
    
    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    func getImage() -> UIImage {
        //下边第一个参数表示区域大小，第二个参数表示非透明，如果需要半透明，需要传false,否则选true,第三个参数就是屏幕密度
        UIGraphicsBeginImageContextWithOptions(self.size, false, UIScreen.main.scale)
        let context = UIGraphicsGetCurrentContext()
        self.layer.render(in: context!)
        let image = UIGraphicsGetImageFromCurrentImageContext()
        UIGraphicsEndImageContext()
        return image!
        
        //2.5 + 1/5
    }
    
}