mrustaa
325 lines
8.8 KiB
Swift
325 lines
8.8 KiB
Swift
//
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// DesignTest.swift
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// FigmaConvertXib
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//
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// Created by Рустам Мотыгуллин on 28.07.2020.
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// Copyright © 2020 mrusta. All rights reserved.
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//
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import UIKit
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@IBDesignable
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class DesignFillView_: UIView {
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@IBInspectable var cornerRadius: CGFloat = 0.0
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//MARK: Blur
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@IBInspectable var blur: CGFloat = 0.0
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//MARK: Image
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@IBInspectable var image: UIImage?
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@IBInspectable var imageMode: Int = 1 /// Scale to fill / Aspect fit / fill
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//MARK: Fill
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@IBInspectable var fillColor: UIColor?
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//MARK: Border
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@IBInspectable var brColor: UIColor = .clear
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@IBInspectable var brWidth: CGFloat = 0.0
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@IBInspectable var brDash: Int = 0
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@IBInspectable var shColor: UIColor = .clear
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@IBInspectable var shRadius: CGFloat = 0.0
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@IBInspectable var shOffset: CGSize = .zero
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//MARK: - Draw
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override func draw(_ rect: CGRect) {
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super.draw(rect)
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guard let bezier = figurePath(bounds) else { return }
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addFill(bezier: bezier)
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addImage(bezier: bezier)
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addBorder()
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addShadow()
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addBlur()
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}
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//MARK: - Figure Type
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private func figurePath(_ rect: CGRect) -> UIBezierPath? {
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return rectangle(rect: rect, radius: cornerRadius)
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}
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private func addImage(bezier: UIBezierPath) {
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guard let image = image else { return }
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guard let context = UIGraphicsGetCurrentContext() else { return }
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var f: CGRect = CGRect(x: 0, y: -bounds.height, width: bounds.width, height: bounds.height)
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if imageMode == 1 || imageMode == 2 {
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var w: CGFloat = 0
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var h: CGFloat = 0
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let percent = bounds.height / image.size.height
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w = image.size.width * percent
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h = bounds.height
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if (imageMode == 1) && (w > bounds.width) ||
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(imageMode == 2) && (bounds.width > w) {
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let percent = bounds.width / image.size.width
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h = image.size.height * percent
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w = bounds.width
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}
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let x = (bounds.width / 2) - (w / 2)
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let y = (-h + (((bounds.height / 2) - (h / 2)) * (-1)))
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f = CGRect(x: x, y: y, width: w, height: h)
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}
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context.saveGState()
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bezier.addClip()
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context.scaleBy(x: 1, y: -1)
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context.draw(image.cgImage!, in: f, byTiling: false)
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context.restoreGState()
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}
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//MARK: - Fill
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private func addFill(bezier: UIBezierPath) {
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guard let fillColor = fillColor else { return }
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guard let context = UIGraphicsGetCurrentContext() else { return }
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bezier.close()
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context.saveGState()
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fillColor.setFill()
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bezier.fill()
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context.restoreGState()
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}
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//MARK: - Shadow
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private func addShadow() {
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if shRadius < 0 { shRadius = 0 }
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layer.shadowOffset = shOffset
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layer.shadowOpacity = 1.0
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layer.shadowRadius = shRadius
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layer.shadowColor = shColor.cgColor
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}
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// MARK: - Border / Stroke
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private func addBorder() {
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if brWidth < 0 { brWidth = 0 }
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guard let context = UIGraphicsGetCurrentContext() else { return }
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// brColor.setStroke()
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guard let bezier = figurePath(bounds) else { return }
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context.saveGState()
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if brDash > 0 {
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UIColor.clear.setFill()
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bezier.fill()
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brColor.setStroke()
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bezier.lineWidth = brWidth * 2
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let dashPattern : [CGFloat] = [ CGFloat(brDash), CGFloat(brDash)]
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bezier.setLineDash(dashPattern, count: 2, phase: 0)
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bezier.stroke()
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} else {
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brColor.setStroke()
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bezier.lineWidth = brWidth * 2
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bezier.stroke()
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}
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bezier.stroke()
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bezier.stroke()
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context.restoreGState()
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context.restoreGState()
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}
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// MARK: - Blur
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private func addBlur() {
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guard blur > 0 else { return }
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guard let image = screenShotContext() else { return }
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self.addblur(screen: image, blur: blur)
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}
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// MARK: Screen Shot Context
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private func screenShotContext() -> UIImage? {
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guard let context = UIGraphicsGetCurrentContext() else { return nil }
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guard let cgimage: CGImage = context.makeImage() else { return nil }
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let image = UIImage(cgImage: cgimage)
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return image
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}
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// MARK: Clear Context
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private func clearContext() {
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let f = CGRect(x: 0, y: 0,
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width: frame.width * 2,
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height: frame.height * 2)
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let context = UIGraphicsGetCurrentContext()
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context?.clear(f)
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}
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private func addblur(screen: UIImage, blur: CGFloat) {
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clearContext()
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func blurImage(image: UIImage) -> UIImage? {
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guard let ciscreen: CIImage = CIImage(image: screen) else { return nil }
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guard let filter: CIFilter = CIFilter(name: "CIGaussianBlur") else { return nil }
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filter.setDefaults()
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filter.setValue(ciscreen, forKey: kCIInputImageKey)
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filter.setValue(blur, forKey: kCIInputRadiusKey)
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let bl2 = ((blur * 3) * -1)
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let bl4 = (blur * 6)
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let contextFrame = CGRect(
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x: bl2,
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y: bl2,
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width: bl4 + image.size.width,
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height: bl4 + image.size.height
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)
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// let bl2 = ((blur * 2) * -1)
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// let bl4 = (blur * 4)
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// let contextFrame2 = CGRect(x: bl2,
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// y: bl2,
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// width: bl4 + (frame.width * 2),
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// height: bl4 + (frame.height * 2))
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let ciContext = CIContext(options: nil)
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guard let ci: CIImage = filter.value(forKey: kCIOutputImageKey) as? CIImage else { return nil }
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guard let cImg = ciContext.createCGImage(ci, from: contextFrame) else { return nil }
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let finalImage = UIImage(cgImage: cImg)
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return finalImage
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}
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let p2: CGFloat = 1
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let p4: CGFloat = p2 * 2
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let bl2 = ((blur * p2) * -1)
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let bl4 = (blur * p4)
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let x: CGFloat = 0
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let ofW = (x * 1) * -1
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let ofH = (x * 1) * -1
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let ofW2 = (x * 2)
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let ofH2 = (x * 2)
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let contextFrame = CGRect(x: bl2 + ofW,
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y: bl2 + ofH,
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width: bl4 + ofW2 + frame.width,
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height: bl4 + ofH2 + frame.height)
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let blurImageView = UIImageView(frame: contextFrame)
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blurImageView.image = blurImage(image: screen)
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blurImageView.contentMode = .scaleAspectFill
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addSubview(blurImageView)
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}
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//MARK: - Rectangle Bezier
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func rectangle(rect: CGRect, radius: CGFloat) -> UIBezierPath {
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let r = self.cornerRadius(radius)
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let w = rect.width
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let h = rect.height
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let path = UIBezierPath()
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path.move(to: CGPoint(x: r, y: 0.0))
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path.addLine(to: CGPoint(x: w - r, y: 0.0))
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path.addArc(withCenter: CGPoint(x: w - r, y: r),
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radius: r,
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startAngle: 3.0 * .pi / 2.0,
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endAngle: 2 * .pi,
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clockwise: true)
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path.addLine(to: CGPoint(x: w, y: h - r))
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path.addArc(withCenter: CGPoint(x: w - r, y: h - r),
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radius: r,
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startAngle: 0.0,
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endAngle: .pi / 2.0,
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clockwise: true)
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path.addLine(to: CGPoint(x: r, y: h))
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path.addArc(withCenter: CGPoint(x: r, y: h - r),
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radius: r,
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startAngle: .pi / 2.0,
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endAngle: .pi,
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clockwise: true)
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path.addLine(to: CGPoint(x: 0.0, y: r))
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path.addArc(withCenter: CGPoint(x: r, y: r),
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radius: r,
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startAngle: .pi,
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endAngle: 3.0 * .pi / 2.0,
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clockwise: true)
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path.close()
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return path
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}
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}
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