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Swift 5 UIImage extension to round corners using UIGraphicsImageRendererFormat to render
//
// Created by Andrew Podkovyrin
// Copyright © 2020 Andrew Podkovyrin. All rights reserved.
//
// Licensed under the MIT License (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://opensource.org/licenses/MIT
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
import UIKit
extension UIImage {
func roundedCornerImage(with radius: CGFloat) -> UIImage {
let format = UIGraphicsImageRendererFormat()
format.scale = scale
let renderer = UIGraphicsImageRenderer(size: size, format: format)
return renderer.image { rendererContext in
let rect = CGRect(origin: .zero, size: size)
let path = UIBezierPath(roundedRect: rect,
byRoundingCorners: .allCorners,
cornerRadii: CGSize(width: radius, height: radius))
path.close()
let cgContext = rendererContext.cgContext
cgContext.saveGState()
path.addClip()
draw(in: rect)
cgContext.restoreGState()
}
}
}
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