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mastodon-app-ufficiale-ipho.../MastodonSDK/Sources/MastodonExtension/UIView.swift
2022-12-20 09:37:12 -05:00

69 lines
2.0 KiB
Swift

//
// UIView.swift
//
//
// Created by MainasuK on 2022-1-17.
//
import UIKit
extension UIView {
public static var isZoomedMode: Bool {
return UIScreen.main.scale != UIScreen.main.nativeScale
}
}
extension UIView {
@discardableResult
public func applyCornerRadius(radius: CGFloat) -> Self {
layer.masksToBounds = true
layer.cornerRadius = radius
layer.cornerCurve = .continuous
return self
}
@discardableResult
public func applyShadow(
color: UIColor,
alpha: Float,
x: CGFloat,
y: CGFloat,
blur: CGFloat,
spread: CGFloat = 0
) -> Self {
layer.masksToBounds = false
layer.shadowColor = color.cgColor
layer.shadowOpacity = alpha
layer.shadowOffset = CGSize(width: x, height: y)
layer.shadowRadius = blur / 2.0
if spread == 0 {
layer.shadowPath = nil
} else {
let dx = -spread
let rect = bounds.insetBy(dx: dx, dy: dx)
layer.shadowPath = UIBezierPath(rect: rect).cgPath
}
return self
}
}
public extension UIView {
@discardableResult
func pinToParent(padding: UIEdgeInsets = .zero) -> [NSLayoutConstraint] {
pinTo(to: self.superview, padding: padding)
}
@discardableResult
func pinTo(to view: UIView?, padding: UIEdgeInsets = .zero) -> [NSLayoutConstraint] {
guard let pinToView = view else { return [] }
let constraints = [
topAnchor.constraint(equalTo: pinToView.topAnchor, constant: padding.top),
leadingAnchor.constraint(equalTo: pinToView.leadingAnchor, constant: padding.left),
trailingAnchor.constraint(equalTo: pinToView.trailingAnchor, constant: -padding.right),
bottomAnchor.constraint(equalTo: pinToView.bottomAnchor, constant: -padding.bottom),
]
NSLayoutConstraint.activate(constraints)
return constraints
}
}