Shin Yamamoto
104 lines
3.2 KiB
Swift
104 lines
3.2 KiB
Swift
//
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// Created by Shin Yamamoto on 2018/09/19.
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// Copyright © 2018 Shin Yamamoto. All rights reserved.
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//
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import UIKit
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@IBDesignable
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class CloseButton: UIButton {
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required init?(coder aDecoder: NSCoder) {
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super.init(coder: aDecoder)
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render()
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}
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override init(frame: CGRect) {
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super.init(frame: frame)
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render()
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}
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func render() {
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self.backgroundColor = .clear
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}
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func p(_ p: CGFloat) -> CGFloat {
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return p * (2.0 / 3.0)
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}
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override var isHighlighted: Bool { didSet { setNeedsDisplay() } }
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override var isSelected: Bool { didSet { setNeedsDisplay() } }
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override func draw(_ rect: CGRect) {
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guard let context = UIGraphicsGetCurrentContext() else { return }
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context.setLineWidth(p(1.0))
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let color = UIColor(displayP3Red: 0.76,
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green: 0.77,
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blue: 0.76,
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alpha: 1.0)
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context.setFillColor(color.cgColor)
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context.beginPath()
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context.addArc(center: CGPoint(x: rect.width * 0.5,
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y: rect.height * 0.5),
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radius: p(36.0) * 0.5,
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startAngle: 0,
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endAngle: CGFloat.pi * 2.0,
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clockwise: true)
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context.fillPath()
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let highlightedColor = UIColor(displayP3Red: 0.53,
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green: 0.53,
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blue: 0.53,
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alpha: 1.0)
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let crossColor: UIColor = isHighlighted || isSelected ? highlightedColor : .white
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context.setStrokeColor(crossColor.cgColor)
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context.setBlendMode(.normal)
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context.setLineWidth(p(3.5))
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context.setLineCap(.round)
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let offset = (rect.width - p(36.0)) * 0.5
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context.beginPath()
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context.addLines(between: [CGPoint(x: offset + p(12.0), y: offset + p(12.0)),
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CGPoint(x: offset + p(24.0), y: offset + p(24.0))])
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context.strokePath()
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context.beginPath()
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context.addLines(between: [CGPoint(x: offset + p(24.0), y: offset + p(12.0)),
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CGPoint(x: offset + p(12.0), y: offset + p(24.0))])
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context.strokePath()
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}
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}
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@IBDesignable
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class SafeAreaView: UIView {
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override func prepareForInterfaceBuilder() {
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let label = UILabel()
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label.text = "Safe Area"
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addSubview(label)
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label.translatesAutoresizingMaskIntoConstraints = false
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NSLayoutConstraint.activate([
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label.centerXAnchor.constraint(equalTo: self.centerXAnchor),
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label.centerYAnchor.constraint(equalTo: self.centerYAnchor, constant: -4.0),
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])
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}
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}
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@IBDesignable
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class OnSafeAreaView: UIView {
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override func prepareForInterfaceBuilder() {
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let label = UILabel()
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label.text = "On Safe Area"
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addSubview(label)
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label.translatesAutoresizingMaskIntoConstraints = false
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NSLayoutConstraint.activate([
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label.centerXAnchor.constraint(equalTo: self.centerXAnchor),
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label.centerYAnchor.constraint(equalTo: self.centerYAnchor, constant: -4.0),
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])
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}
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}
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