forked from zelo72/mastodon-ios
61 lines
1.3 KiB
Swift
61 lines
1.3 KiB
Swift
//
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// ShadowBackgroundContainer.swift
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//
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//
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// Created by MainasuK on 2022-1-5.
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//
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import UIKit
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import MastodonExtension
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public final class ShadowBackgroundContainer: UIView {
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public var shadowAlpha: CGFloat = 0.25 {
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didSet { setNeedsLayout() }
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}
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public var shadowColor: UIColor = .black {
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didSet { setNeedsLayout() }
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}
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public var cornerRadius: CGFloat = 10 {
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didSet { setNeedsLayout() }
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}
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public let shadowLayer = CALayer()
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override init(frame: CGRect) {
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super.init(frame: frame)
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_init()
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}
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required init?(coder: NSCoder) {
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super.init(coder: coder)
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_init()
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}
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}
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extension ShadowBackgroundContainer {
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private func _init() {
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layer.insertSublayer(shadowLayer, at: 0)
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}
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public override func layoutSubviews() {
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super.layoutSubviews()
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shadowLayer.frame = bounds
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shadowLayer.setupShadow(
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color: shadowColor,
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alpha: Float(shadowAlpha),
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x: 0,
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y: 1,
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blur: 2,
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spread: 0,
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roundedRect: bounds,
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byRoundingCorners: .allCorners,
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cornerRadii: CGSize(width: cornerRadius, height: cornerRadius)
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)
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}
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}
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