Tokamak/Sources/TokamakCore/Fiber/ViewGeometry.swift

67 lines
1.8 KiB
Swift

// Copyright 2022 Tokamak contributors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// 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.
//
// Created by Carson Katri on 2/17/22.
//
import Foundation
public struct ViewGeometry: Equatable {
@_spi(TokamakCore)
public let origin: ViewOrigin
@_spi(TokamakCore)
public let dimensions: ViewDimensions
let proposal: ProposedViewSize
}
/// The position of the `View` relative to its parent.
public struct ViewOrigin: Equatable {
@_spi(TokamakCore)
public let origin: CGPoint
@_spi(TokamakCore)
public var x: CGFloat { origin.x }
@_spi(TokamakCore)
public var y: CGFloat { origin.y }
}
public struct ViewDimensions: Equatable {
@_spi(TokamakCore)
public let size: CGSize
@_spi(TokamakCore)
public let alignmentGuides: [ObjectIdentifier: CGFloat]
public var width: CGFloat { size.width }
public var height: CGFloat { size.height }
public subscript(guide: HorizontalAlignment) -> CGFloat {
self[explicit: guide] ?? guide.id.defaultValue(in: self)
}
public subscript(guide: VerticalAlignment) -> CGFloat {
self[explicit: guide] ?? guide.id.defaultValue(in: self)
}
public subscript(explicit guide: HorizontalAlignment) -> CGFloat? {
alignmentGuides[.init(guide.id)]
}
public subscript(explicit guide: VerticalAlignment) -> CGFloat? {
alignmentGuides[.init(guide.id)]
}
}