95 lines
3.0 KiB
Swift
95 lines
3.0 KiB
Swift
//
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// Lunch_ProgressView.swift
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// MusicPlayer
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//
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// Created by Mr.Zhou on 2024/3/27.
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//
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import UIKit
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class MP_Lunch_ProgressView: UIView {
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struct Constant {
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//进度条宽度
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static let lineWidth: CGFloat = 6*width
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//进度槽颜色
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static let trackColor:UIColor = .init(hex: "#FFFFFF")
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//进度条颜色
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static let progressColors:[CGColor] = [
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UIColor(red: 0.109, green: 0.784, blue: 0.932, alpha: 1).cgColor,
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UIColor(red: 0.412, green: 0.996, blue: 0.451, alpha: 1).cgColor,
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UIColor(red: 0.796, green: 0.839, blue: 0.294, alpha: 1).cgColor
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]
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}
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//渐变层
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private var gradientLayer:CAGradientLayer!
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//进度槽
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private var trackLayer:CAShapeLayer!
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//进度条路径（水平线）
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private var path:UIBezierPath!
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override init(frame: CGRect) {
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super.init(frame: frame)
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setUpLayers()
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}
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required init?(coder: NSCoder) {
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super.init(coder: coder)
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setUpLayers()
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}
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override func layoutSubviews() {
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super.layoutSubviews()
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}
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override func draw(_ rect: CGRect) {
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//初始化圆角矩形路径
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path = UIBezierPath()
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//获取起点
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let startPoint = CGPoint(x: bounds.minX, y: bounds.maxY)
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//获取终点
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let endPoint = CGPoint(x: bounds.maxX, y: bounds.maxY)
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//路径起始点
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path.move(to: startPoint)
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//增加路线
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path.addLine(to: endPoint)
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//初始化进度槽
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trackLayer = .init()
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//路径宽
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trackLayer.lineWidth = bounds.height
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trackLayer.fillColor = UIColor.clear.cgColor
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//路径颜色
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trackLayer.strokeColor = Constant.trackColor.cgColor
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//设置起始点
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trackLayer.strokeStart = 0
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//设置当前点
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trackLayer.strokeEnd = 0
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//路径端口为圆形
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trackLayer.lineCap = .round
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trackLayer.path = path.cgPath
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layer.addSublayer(trackLayer)
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//初始化渐变色进度条
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gradientLayer = .init()
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//渐变层大小
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gradientLayer.frame = .init(x: 0, y: -2, width: bounds.size.width, height: bounds.size.height+1)
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// gradientLayer.shadowPath = trackLayer.path
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//渐变层颜色
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gradientLayer.colors = Constant.progressColors
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//渐变层起始点
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gradientLayer.startPoint = .init(x: 0, y: 1)
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//渐变层终点
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gradientLayer.endPoint = .init(x: 1, y: 1)
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layer.addSublayer(gradientLayer)
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//渐变层遮罩
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gradientLayer.mask = trackLayer
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}
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//layer添加
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private func setUpLayers() {
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backgroundColor = .init(hex: "#FFFFFF", alpha: 0.15)
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}
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/// 渐变色执行方法
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/// - Parameter progress: 进度值
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func setProgress(_ progress: CGFloat) {
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if progress <= 1 {
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//进度条动画
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trackLayer.strokeEnd = progress
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}
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}
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}
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