72 lines
2.8 KiB
Swift
72 lines
2.8 KiB
Swift
//
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// Copyright 2022 New Vector Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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import SwiftUI
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struct RoundedCornerShape: Shape {
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let radius: CGFloat
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let corners: UIRectCorner
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init(radius: CGFloat, corners: UIRectCorner) {
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self.radius = radius
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self.corners = corners
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}
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func path(in rect: CGRect) -> Path {
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var path = Path()
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let width = rect.size.width
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let height = rect.size.height
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var topLeft: CGFloat = corners.contains(.topLeft) ? radius : 0.0
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var topRight: CGFloat = corners.contains(.topRight) ? radius : 0.0
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var bottomLeft: CGFloat = corners.contains(.bottomLeft) ? radius : 0.0
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var bottomRight: CGFloat = corners.contains(.bottomRight) ? radius : 0.0
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// Make sure we do not exceed the size of the rectangle
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topRight = min(min(topRight, height / 2), width / 2)
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topLeft = min(min(topLeft, height / 2), width / 2)
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bottomLeft = min(min(bottomLeft, height / 2), width / 2)
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bottomRight = min(min(bottomRight, height / 2), width / 2)
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path.move(to: CGPoint(x: width / 2.0, y: 0))
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path.addLine(to: CGPoint(x: width - topRight, y: 0))
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path.addArc(center: CGPoint(x: width - topRight, y: topRight), radius: topRight,
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startAngle: Angle(degrees: -90), endAngle: Angle(degrees: 0), clockwise: false)
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path.addLine(to: CGPoint(x: width, y: height - bottomRight))
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path.addArc(center: CGPoint(x: width - bottomRight, y: height - bottomRight), radius: bottomRight,
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startAngle: Angle(degrees: 0), endAngle: Angle(degrees: 90), clockwise: false)
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path.addLine(to: CGPoint(x: bottomLeft, y: height))
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path.addArc(center: CGPoint(x: bottomLeft, y: height - bottomLeft), radius: bottomLeft,
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startAngle: Angle(degrees: 90), endAngle: Angle(degrees: 180), clockwise: false)
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path.addLine(to: CGPoint(x: 0, y: topLeft))
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path.addArc(center: CGPoint(x: topLeft, y: topLeft), radius: topLeft,
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startAngle: Angle(degrees: 180), endAngle: Angle(degrees: 270), clockwise: false)
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path.closeSubpath()
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return path
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}
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}
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extension View {
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func cornerRadius(_ radius: CGFloat, corners: UIRectCorner) -> some View {
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clipShape(RoundedCornerShape(radius: radius, corners: corners))
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}
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}
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