mirror of
https://github.com/MessageKit/MessageKit.git
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50 lines
1.9 KiB
Swift
50 lines
1.9 KiB
Swift
/*
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MIT License
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Copyright (c) 2017-2019 MessageKit
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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import UIKit
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/// A `UIView` subclass that maintains a mask to keep it fully circular
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open class BubbleCircle: UIView {
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/// Lays out subviews and applys a circular mask to the layer
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open override func layoutSubviews() {
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super.layoutSubviews()
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layer.mask = roundedMask(corners: .allCorners, radius: bounds.height / 2)
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}
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/// Returns a rounded mask of the view
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///
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/// - Parameters:
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/// - corners: The corners to round
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/// - radius: The radius of curve
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/// - Returns: A mask
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open func roundedMask(corners: UIRectCorner, radius: CGFloat) -> CAShapeLayer {
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let path = UIBezierPath(roundedRect: bounds, byRoundingCorners: corners, cornerRadii: CGSize(width: radius, height: radius))
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let mask = CAShapeLayer()
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mask.path = path.cgPath
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return mask
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}
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}
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