53 lines
1.1 KiB
Swift
53 lines
1.1 KiB
Swift
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// CropView.swift
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// CapFinder
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//
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// Created by User on 31.01.18.
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// Copyright © 2018 User. All rights reserved.
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//
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import UIKit
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@IBDesignable class CropView: UIView {
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@IBInspectable var lineColor: UIColor = UIColor.black
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@IBInspectable var lineWidth: Float = 2
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@IBInspectable var relativeSize: Float = 0.6 {
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didSet { size = CGFloat(relativeSize) / 2 }
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}
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private var size: CGFloat = 0.3
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override init(frame: CGRect) {
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super.init(frame: frame)
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}
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required init?(coder aDecoder: NSCoder) {
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super.init(coder: aDecoder)
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}
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override func draw(_ rect: CGRect) {
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let height = rect.height
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let width = rect.width
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let length = height > width ? width : height
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let center = CGPoint(x: width / 2, y: height / 2)
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let path = UIBezierPath()
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path.lineWidth = CGFloat(self.lineWidth)
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lineColor.setStroke()
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path.addArc(
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withCenter: center,
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radius: length * size,
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startAngle: 0,
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endAngle: .pi * 2,
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clockwise: true)
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path.stroke()
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}
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}
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