//MARK: view-->iv、view模式-->方法1
///普通设置隐隐
func configShadow(shadowV: UIView) {
shadowV.layer.borderWidth = 0.3
shadowV.layer.borderColor =
UIColor.groupTableViewBackground.cgColor
//中阴影
shadowV.layer.shadowColor = UIColor.init(hexColor: "A5A5A5").cgColor
shadowV.layer.shadowOpacity = 0.5//不透明度
shadowV.layer.shadowRadius = 5.0//设置阴影所照射的范围
shadowV.layer.shadowOffset = CGSize.init(width: 0, height: 0)// 设置阴影的偏移量
//后设置圆角
shadowV.layer.cornerRadius = 5
//iv.layer.masksToBounds = true
//MARK: 给控件设置某个圆角
let maskPath = UIBezierPath.init(roundedRect: iv.bounds, byRoundingCorners: [.topLeft, .topRight], cornerRadii: CGSize(width: 5, height: 5))
let maskLayer = CAShapeLayer.init()
maskLayer.path = maskPath.cgPath
iv.layer.mask = maskLayer
}
//MARK: 设定路径阴影--> 方法2
///设置路径阴影--->只通过直线--->设置固定值
func configPathShadow(shadowV: UIView) {
shadowV.layer.shadowColor = UIColor.gray.cgColor//阴影颜色
shadowV.layer.shadowOpacity = 0.8//阴影透明度
shadowV.layer.shadowRadius = 5.0//阴影圆角
shadowV.layer.shadowOffset = CGSize.init(width: 0, height: 0)//偏移量
//设置圆角
shadowV.layer.cornerRadius = 5.0
/*****设置阴影路径******/
let pathW: CGFloat = shadowV.bounds.width
let pathH: CGFloat = shadowV.bounds.height
let path = UIBezierPath()
path.move(to: CGPoint.init(x: -5, y: -5))
//添加直线
path.addLine(to: CGPoint.init(x: pathW / 2, y: -7))
path.addLine(to: CGPoint.init(x: pathW + 5, y: -5))
path.addLine(to: CGPoint.init(x: pathW + 7, y: pathH / 2))
path.addLine(to: CGPoint.init(x: pathW + 5, y: pathH + 5))
path.addLine(to: CGPoint.init(x: pathW / 2, y: pathH + 7))
path.addLine(to: CGPoint.init(x: -5, y: pathH + 5))
path.addLine(to: CGPoint.init(x: -7, y: pathH / 2))
path.addLine(to: CGPoint.init(x: -5, y: -5))
//设置阴影路径
shadowV.layer.shadowPath = path.cgPath
/***给控件设置某个圆角***/
configSideRadius(iv: iv)
}
//MARK: 设置路径阴影--> 方法3
///设置阴影路径--->通过圆角和直线
func configPathShadow1(shadowV: UIView, opacity: Float = 0.8, radius1: CGFloat = 8, radius2: CGFloat = 8) {
let shadowOpacity: Float = opacity
let shadowRadius: CGFloat = radius1
let cornerRadius: CGFloat = radius2
let shadowLayer = CALayer.init()
shadowLayer.frame = shadowV.frame
shadowLayer.shadowColor = UIColor.black.cgColor
shadowLayer.shadowOffset = CGSize.init(width: 0, height: 0)//阴影偏移量，默认(0, -3),跟shadowRadius配合使用
shadowLayer.shadowOpacity = shadowOpacity//阴影透明度，默认0
shadowLayer.shadowRadius = shadowRadius//阴影半径，默认3
//路劲阴影
let path = UIBezierPath()
let width = shadowLayer.bounds.size.width
let height = shadowLayer.bounds.size.height
let x = shadowLayer.bounds.origin.x
let y = shadowLayer.bounds.origin.y
let topleft = shadowLayer.bounds.origin
let topRight = CGPoint.init(x: x + width, y: y)
let bottomRight = CGPoint.init(x: x + width, y: y + height)
let bottomLeft = CGPoint.init(x: x, y: y + height)
let offset: CGFloat = -1
path.move(to: CGPoint.init(x: topleft.x - offset, y: topleft.y + cornerRadius))
path.addArc(withCenter: CGPoint.init(x: topleft.x + cornerRadius, y: topleft.y + cornerRadius), radius: cornerRadius + offset, startAngle: CGFloat.pi, endAngle: CGFloat.pi / 2 * 3, clockwise: true)
path.addLine(to: CGPoint.init(x: topRight.x - cornerRadius, y: topRight.y - offset))
path.addArc(withCenter: CGPoint.init(x: topRight.x - cornerRadius, y: topRight.y + cornerRadius), radius: cornerRadius + offset, startAngle: CGFloat.pi / 2 * 3, endAngle: CGFloat.pi * 2, clockwise: true)
path.addLine(to: CGPoint.init(x: bottomRight.x + offset, y: bottomRight.y - cornerRadius))
path.addArc(withCenter: CGPoint.init(x: bottomRight.x - cornerRadius, y: bottomRight.y - cornerRadius), radius: cornerRadius + offset, startAngle: 0, endAngle: CGFloat.pi / 2, clockwise: true)
path.addLine(to: CGPoint.init(x: bottomLeft.x + cornerRadius, y: bottomLeft.y + offset))
path.addArc(withCenter: CGPoint.init(x: bottomLeft.x + cornerRadius, y: bottomLeft.y - cornerRadius), radius: cornerRadius + offset, startAngle: CGFloat.pi / 2, endAngle: CGFloat.pi, clockwise: true)
path.addLine(to: CGPoint.init(x: topleft.x - offset, y: topleft.y + cornerRadius))
//设置阴影路径
shadowLayer.shadowPath = path.cgPath
shadowV.layer.cornerRadius = cornerRadius
shadowV.layer.masksToBounds = true
shadowV.layer.rasterizationScale = UIScreen.main.scale
shadowV.superview?.layer.insertSublayer(shadowLayer, below: shadowV.layer)
}
//MARK: 设置路径阴影--->方法4
///设置普通路径阴影
func configPathShadow2(shadowV: UIView) {
shadowV.layer.shadowColor = UIColor.gray.cgColor
shadowV.layer.shadowOffset = CGSize.init(width: 0, height: 0)
shadowV.layer.shadowOpacity = 0.8//0.8，默认0，阴影透明度
shadowV.layer.shadowRadius = 5//8，阴影半径，默认3
//切圆角
shadowV.layer.cornerRadius = 5
//路径阴影
let path = UIBezierPath()
let width = shadowV.bounds.width
let height = shadowV.bounds.size.height
let x = shadowV.bounds.origin.x
let y = shadowV.bounds.origin.y
let topLeft = shadowV.bounds.origin
let topRight = CGPoint.init(x: x + width, y: y)
let bottomRight = CGPoint.init(x: x + width, y: y + height)
let bottomLeft = CGPoint.init(x: x, y: y + height)
let offset: CGFloat = 0.0
path.move(to: CGPoint.init(x: topLeft.x - offset, y: topLeft.y - offset))
path.addLine(to: CGPoint.init(x: topRight.x + offset, y: topRight.y - offset))
path.addLine(to: CGPoint.init(x: bottomRight.x + offset, y: bottomRight.y + offset))
path.addLine(to: CGPoint.init(x: bottomLeft.x - offset, y: bottomLeft.y + offset))
path.addLine(to: CGPoint.init(x: topLeft.x - offset, y: topLeft.y - offset))
//设置阴影路径
shadowV.layer.shadowPath = path.cgPath
//MARK: 给控件设置某个圆角
configSideRadius(iv: iv)
}
//MARK: 设置某个圆角
func configSideRadius(iv: UIView) {
let maskPath = UIBezierPath.init(roundedRect: iv.bounds, byRoundingCorners: [.topLeft, .topRight], cornerRadii: CGSize(width: 5, height: 5))
let maskLayer = CAShapeLayer.init()
maskLayer.path = maskPath.cgPath
iv.layer.mask = maskLayer
}