71 lines
1.7 KiB
Swift
71 lines
1.7 KiB
Swift
//
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// UIView.swift
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// Mastodon
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//
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// Created by sxiaojian on 2021/2/4.
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//
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import UIKit
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// MARK: - Convenience view creation method
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extension UIView {
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static let separatorColor: UIColor = {
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UIColor(dynamicProvider: { collection in
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switch collection.userInterfaceStyle {
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case .dark:
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return ThemeService.shared.currentTheme.value.separator
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default:
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return .separator
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}
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})
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}()
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static var separatorLine: UIView {
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let line = UIView()
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line.backgroundColor = UIView.separatorColor
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return line
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}
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static func separatorLineHeight(of view: UIView) -> CGFloat {
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return 1.0 / view.traitCollection.displayScale
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}
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}
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// MARK: - Convenience view appearance modification method
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extension UIView {
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@discardableResult
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func applyCornerRadius(radius: CGFloat) -> Self {
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layer.masksToBounds = true
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layer.cornerRadius = radius
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layer.cornerCurve = .continuous
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return self
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}
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@discardableResult
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func applyShadow(
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color: UIColor,
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alpha: Float,
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x: CGFloat,
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y: CGFloat,
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blur: CGFloat,
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spread: CGFloat = 0) -> Self
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{
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layer.masksToBounds = false
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layer.shadowColor = color.cgColor
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layer.shadowOpacity = alpha
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layer.shadowOffset = CGSize(width: x, height: y)
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layer.shadowRadius = blur / 2.0
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if spread == 0 {
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layer.shadowPath = nil
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} else {
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let dx = -spread
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let rect = bounds.insetBy(dx: dx, dy: dx)
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layer.shadowPath = UIBezierPath(rect: rect).cgPath
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}
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return self
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}
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}
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