72 lines
2.2 KiB
Swift
72 lines
2.2 KiB
Swift
// Copyright 2020 Tokamak contributors
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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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// Created by Carson Katri on 6/29/20.
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//
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public struct _BackgroundModifier<Background>: ViewModifier where Background: View {
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public var background: Background
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public var alignment: Alignment
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public init(background: Background, alignment: Alignment = .center) {
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self.background = background
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self.alignment = alignment
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}
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public func body(content: Content) -> some View {
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content
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}
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}
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extension _BackgroundModifier: Equatable where Background: Equatable {}
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extension View {
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public func background<Background>(
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_ background: Background,
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alignment: Alignment = .center
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) -> some View where Background: View {
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modifier(_BackgroundModifier(background: background, alignment: alignment))
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}
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}
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public struct _OverlayModifier<Overlay>: ViewModifier where Overlay: View {
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public var overlay: Overlay
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public var alignment: Alignment
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public init(overlay: Overlay, alignment: Alignment = .center) {
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self.overlay = overlay
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self.alignment = alignment
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}
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public func body(content: Content) -> some View {
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ZStack(alignment: alignment) {
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content
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overlay
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}
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}
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}
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extension _OverlayModifier: Equatable where Overlay: Equatable {}
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extension View {
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public func overlay<Overlay>(_ overlay: Overlay,
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alignment: Alignment = .center) -> some View where Overlay: View {
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modifier(_OverlayModifier(overlay: overlay, alignment: alignment))
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}
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public func border<S>(_ content: S, width: CGFloat = 1) -> some View where S: ShapeStyle {
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overlay(Rectangle().strokeBorder(content, lineWidth: width))
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}
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}
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