84 lines
2.7 KiB
Swift
84 lines
2.7 KiB
Swift
//
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// Copyright (c) 2023 Touch Instinct
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//
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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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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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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
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// THE SOFTWARE.
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//
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import QuartzCore
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public struct GradientValues {
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public enum Defaults {
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public static var colors: [CGColor]? {
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nil
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}
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public static var locations: [NSNumber]? {
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nil
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}
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public static var startPoint: CGPoint {
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CGPoint(x: 0.5, y: 0)
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}
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public static var endPoint: CGPoint {
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CGPoint(x: 0.5, y: 1)
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}
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public static var type: CAGradientLayerType {
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.axial
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}
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}
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public var colors: [CGColor]?
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public var locations: [NSNumber]?
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public var startPoint: CGPoint
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public var endPoint: CGPoint
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public var type: CAGradientLayerType
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public init(colors: [CGColor]? = Defaults.colors,
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locations: [NSNumber]? = Defaults.locations,
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startPoint: CGPoint = Defaults.startPoint,
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endPoint: CGPoint = Defaults.endPoint,
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type: CAGradientLayerType = Defaults.type) {
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self.colors = colors
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self.locations = locations
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self.startPoint = startPoint
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self.endPoint = endPoint
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self.type = type
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}
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}
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public extension GradientValues {
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typealias Stop = (color: CGColor, location: CGFloat)
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static func elliptical(stops: [Stop],
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center: CGPoint,
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outerEdge: CGPoint) -> Self {
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GradientValues(colors: stops.map { $0.color },
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locations: stops.map { $0.location as NSNumber },
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startPoint: center,
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endPoint: outerEdge,
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type: .radial)
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}
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}
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