53 lines
1.5 KiB
Swift
53 lines
1.5 KiB
Swift
/// A platform agnostic representation of Color
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///
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/// The components - red, green, blue, & alpha - are maintained as a floating-point representation.
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/// Each value can range from 0.0 to 1.0 (e.g. 0 to 100 percent).
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///
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/// 'Pure White' is represented by values all equal to **1.0**.
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public struct Pigment: Sendable {
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public let colorSpace: ColorSpace = .rgba
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public let red: Double
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public let green: Double
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public let blue: Double
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public let alpha: Double
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public init(
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@Clamping(0 ... 1) red: Double = 1.0,
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@Clamping(0 ... 1) green: Double = 1.0,
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@Clamping(0 ... 1) blue: Double = 1.0,
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@Clamping(0 ... 1) alpha: Double = 1.0
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) {
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self.red = red
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self.green = green
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self.blue = blue
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self.alpha = alpha
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}
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}
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extension Pigment: CustomStringConvertible {
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public var description: String {
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String(format: "Pigment(red: %.4f, green: %.4f, blue: %.4f, alpha: %.2f)", red, green, blue, alpha)
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}
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}
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extension Pigment: Equatable {
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public static func == (lhs: Pigment, rhs: Pigment) -> Bool {
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guard lhs.red == rhs.red else {
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return false
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}
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guard lhs.green == rhs.green else {
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return false
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}
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guard lhs.blue == rhs.blue else {
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return false
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}
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guard lhs.alpha == rhs.alpha else {
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return false
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}
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guard lhs.colorSpace == rhs.colorSpace else {
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return false
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}
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return true
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}
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}
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