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SPBezierPathExtension.swift
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SPBezierPathExtension.swift
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// The MIT License (MIT)
// Copyright © 2017 Ivan Vorobei (hello@ivanvorobei.by)
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
import UIKit
extension UIBezierPath {
func resizeTo(width: CGFloat) {
let currentWidth = self.bounds.width
let relativeFactor = width / currentWidth
self.apply(CGAffineTransform(scaleX: relativeFactor, y: relativeFactor))
}
func convertToImage(fill: Bool, stroke: Bool, color: UIColor = .black) -> UIImage {
UIGraphicsBeginImageContextWithOptions(CGSize(width: self.bounds.width, height: self.bounds.height), false, 0.0)
let context = UIGraphicsGetCurrentContext()
context!.setStrokeColor(color.cgColor)
context!.setFillColor(color.cgColor)
if stroke {
self.stroke()
}
if fill {
self.fill()
}
let image = UIGraphicsGetImageFromCurrentImageContext()
UIGraphicsEndImageContext()
return image!
}
}
public struct SPBezierPath {
public static func setContext() {
UIGraphicsBeginImageContextWithOptions(CGSize(width: 1, height: 1), false, 0)
}
public static func endContext() {
UIGraphicsEndImageContext()
}
}