UIView+CNLiveExtensions.swift
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//
// UIView+CNGradient.swift
// metaCode
//
// Created by open on 2023/6/5.
//
import Foundation
extension UIView {
private struct gradientLayerStr {
static var gradient:String! = "kGradientLayer"
}
@discardableResult
func setGradient(colors: [UIColor], startPoint: CGPoint, endPoint: CGPoint) -> CAGradientLayer {
func setGradient(_ layer: CAGradientLayer) {
self.layoutIfNeeded()
var colorArr = [CGColor]()
for color in colors {
colorArr.append(color.cgColor)
}
CATransaction.begin()
CATransaction.setDisableActions(true)
layer.frame = self.bounds
CATransaction.commit()
layer.colors = colorArr
layer.startPoint = startPoint
layer.endPoint = endPoint
}
if let gradientLayer = objc_getAssociatedObject(self, &gradientLayerStr.gradient) as? CAGradientLayer {
setGradient(gradientLayer)
return gradientLayer
} else {
let gradientLayer = CAGradientLayer()
self.layer.insertSublayer(gradientLayer, at: 0)
setGradient(gradientLayer)
objc_setAssociatedObject(self, &gradientLayerStr.gradient, gradientLayer, objc_AssociationPolicy.OBJC_ASSOCIATION_RETAIN_NONATOMIC)
return gradientLayer
}
}
/// 设置不同角度的圆角剪切
/// - Parameters:
/// - conrners: 剪切方向
/// - radius: 剪切角度
func addCorner(conrners: UIRectCorner, radius: CGFloat) {
self.layoutIfNeeded()
let maskPath = UIBezierPath(roundedRect: self.bounds, byRoundingCorners: conrners, cornerRadii: CGSize(width: radius, height: radius))
let maskLayer = CAShapeLayer()
maskLayer.frame = self.bounds
maskLayer.path = maskPath.cgPath
self.layer.mask = maskLayer
}
public var left:CGFloat{
set{
var frame = self.frame
frame.origin.x = newValue
self.frame = frame
}
get{
return self.frame.origin.x
}
}
public var top:CGFloat{
set{
var frame = self.frame
frame.origin.y = newValue
self.frame = frame
}
get{
return self.frame.origin.y
}
}
public var right:CGFloat{
set{
var frame = self.frame
frame.origin.x = newValue - frame.size.width
self.frame = frame
}
get{
return self.frame.origin.x + self.frame.size.width
}
}
public var bottom:CGFloat{
set{
var frame = self.frame
frame.origin.y = newValue - frame.size.height
self.frame = frame
}
get{
return self.frame.origin.y + self.frame.size.height
}
}
public var centerX:CGFloat{
set{
self.center = CGPoint(x:newValue, y:self.center.x)
}
get{
return self.center.x
}
}
public var centerY:CGFloat{
set{
self.center = CGPoint(x:self.center.x, y:newValue)
}
get{
return self.center.y
}
}
public var width:CGFloat{
set{
var frame = self.frame
frame.size.width = newValue
self.frame = frame
}
get{
return self.frame.size.width
}
}
public var height:CGFloat{
set{
var frame = self.frame
frame.size.height = newValue
self.frame = frame
}
get{
return self.frame.size.height
}
}
public var origin:CGPoint{
set{
var frame = self.frame
frame.origin = newValue
self.frame = frame
}
get{
return self.frame.origin
}
}
public var size:CGSize {
set{
var frame = self.frame;
frame.size = newValue;
self.frame = frame;
}
get{
return self.frame.size
}
}
}