63 lines
1.8 KiB
Swift
63 lines
1.8 KiB
Swift
//
|
|
// SawToothView.swift
|
|
// Mastodon
|
|
//
|
|
// Created by sxiaojian on 2021/3/17.
|
|
//
|
|
|
|
import Foundation
|
|
import UIKit
|
|
import Combine
|
|
import MastodonCore
|
|
|
|
public final class SawToothView: UIView {
|
|
static let widthUint = 8
|
|
|
|
var disposeBag = Set<AnyCancellable>()
|
|
|
|
override init(frame: CGRect) {
|
|
super.init(frame: frame)
|
|
_init()
|
|
}
|
|
|
|
required init?(coder: NSCoder) {
|
|
super.init(coder: coder)
|
|
_init()
|
|
}
|
|
|
|
func _init() {
|
|
setupBackgroundColor(theme: ThemeService.shared.currentTheme.value)
|
|
ThemeService.shared.currentTheme
|
|
.receive(on: RunLoop.main)
|
|
.sink { [weak self] theme in
|
|
guard let self = self else { return }
|
|
self.setupBackgroundColor(theme: theme)
|
|
}
|
|
.store(in: &disposeBag)
|
|
}
|
|
|
|
private func setupBackgroundColor(theme: Theme) {
|
|
backgroundColor = theme.secondarySystemBackgroundColor
|
|
setNeedsDisplay()
|
|
}
|
|
|
|
public override func draw(_ rect: CGRect) {
|
|
let bezierPath = UIBezierPath()
|
|
let bottomY = rect.height
|
|
let topY = 0
|
|
let count = Int(ceil(rect.width / CGFloat(SawToothView.widthUint)))
|
|
bezierPath.move(to: CGPoint(x: 0, y: bottomY))
|
|
for n in 0 ..< count {
|
|
bezierPath.addLine(to: CGPoint(x: CGFloat((Double(n) + 0.5) * Double(SawToothView.widthUint)), y: CGFloat(topY)))
|
|
bezierPath.addLine(to: CGPoint(x: CGFloat((Double(n) + 1) * Double(SawToothView.widthUint)), y: CGFloat(bottomY)))
|
|
}
|
|
bezierPath.addLine(to: CGPoint(x: 0, y: bottomY))
|
|
bezierPath.close()
|
|
ThemeService.shared.currentTheme.value.tableViewCellBackgroundColor.setFill()
|
|
bezierPath.fill()
|
|
bezierPath.lineWidth = 0
|
|
bezierPath.stroke()
|
|
}
|
|
|
|
}
|