133 lines
3.3 KiB
Swift
133 lines
3.3 KiB
Swift
// Copyright 2018-2021 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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import Foundation
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public struct Rectangle: Shape {
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public func path(in rect: CGRect) -> Path {
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.init(storage: .rect(rect), sizing: .flexible)
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}
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public init() {}
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}
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extension Rectangle: InsettableShape {
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public func inset(by amount: CGFloat) -> _Inset {
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_Inset(amount: amount)
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}
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public struct _Inset: InsettableShape {
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public var amount: CGFloat
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init(amount: CGFloat) {
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self.amount = amount
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}
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public func path(in rect: CGRect) -> Path {
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.init(
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storage: .rect(CGRect(
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origin: rect.origin,
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size: CGSize(
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width: max(0, rect.size.width - (amount / 2)),
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height: max(0, rect.size.height - (amount / 2))
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)
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)),
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sizing: .flexible
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)
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}
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public func inset(by amount: CGFloat) -> Rectangle._Inset {
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var copy = self
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copy.amount += amount
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return copy
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}
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}
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}
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public struct RoundedRectangle: Shape {
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public var cornerSize: CGSize
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public var style: RoundedCornerStyle
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public init(cornerSize: CGSize, style: RoundedCornerStyle = .circular) {
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self.cornerSize = cornerSize
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self.style = style
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}
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public init(cornerRadius: CGFloat, style: RoundedCornerStyle = .circular) {
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let cornerSize = CGSize(width: cornerRadius, height: cornerRadius)
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self.init(cornerSize: cornerSize, style: style)
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}
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public func path(in rect: CGRect) -> Path {
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.init(
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storage: .roundedRect(.init(
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rect: rect,
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cornerSize: cornerSize,
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style: style
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)),
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sizing: .flexible
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)
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}
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}
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extension RoundedRectangle: InsettableShape {
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@inlinable
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public func inset(by amount: CGFloat) -> some InsettableShape {
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_Inset(base: self, amount: amount)
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}
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@usableFromInline
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struct _Inset: InsettableShape {
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@usableFromInline
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var base: RoundedRectangle
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@usableFromInline
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var amount: CGFloat
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@inlinable
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init(base: RoundedRectangle, amount: CGFloat) {
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self.base = base
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self.amount = amount
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}
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@usableFromInline
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func path(in rect: CGRect) -> Path {
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.init(
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storage: .roundedRect(.init(
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rect: CGRect(
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origin: rect.origin,
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size: CGSize(
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width: max(0, rect.size.width - (amount / 2)),
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height: max(0, rect.size.height - (amount / 2))
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)
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),
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cornerSize: CGSize(
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width: max(0, base.cornerSize.width - (amount / 2)),
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height: max(0, base.cornerSize.height - (amount / 2))
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),
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style: base.style
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)),
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sizing: .flexible
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)
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}
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@usableFromInline
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func inset(by amount: CGFloat) -> Self {
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var copy = self
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copy.amount += amount
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return copy
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}
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}
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}
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