81 lines
2.2 KiB
Swift
81 lines
2.2 KiB
Swift
//
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// Mask.swift
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// lottie-swift
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//
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// Created by Brandon Withrow on 1/8/19.
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//
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import Foundation
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// MARK: - MaskMode
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enum MaskMode: String, Codable {
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case add = "a"
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case subtract = "s"
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case intersect = "i"
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case lighten = "l"
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case darken = "d"
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case difference = "f"
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case none = "n"
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}
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// MARK: - Mask
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final class Mask: Codable, DictionaryInitializable {
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// MARK: Lifecycle
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required init(from decoder: Decoder) throws {
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let container = try decoder.container(keyedBy: Mask.CodingKeys.self)
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mode = try container.decodeIfPresent(MaskMode.self, forKey: .mode) ?? .add
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opacity = try container.decodeIfPresent(KeyframeGroup<Vector1D>.self, forKey: .opacity) ?? KeyframeGroup(Vector1D(100))
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shape = try container.decode(KeyframeGroup<BezierPath>.self, forKey: .shape)
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inverted = try container.decodeIfPresent(Bool.self, forKey: .inverted) ?? false
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expansion = try container.decodeIfPresent(KeyframeGroup<Vector1D>.self, forKey: .expansion) ?? KeyframeGroup(Vector1D(0))
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}
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init(dictionary: [String: Any]) throws {
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if
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let modeRawType = dictionary[CodingKeys.mode.rawValue] as? String,
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let mode = MaskMode(rawValue: modeRawType)
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{
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self.mode = mode
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} else {
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mode = .add
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}
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if let opacityDictionary = dictionary[CodingKeys.opacity.rawValue] as? [String: Any] {
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opacity = try KeyframeGroup<Vector1D>(dictionary: opacityDictionary)
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} else {
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opacity = KeyframeGroup(Vector1D(100))
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}
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let shapeDictionary: [String: Any] = try dictionary.value(for: CodingKeys.shape)
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shape = try KeyframeGroup<BezierPath>(dictionary: shapeDictionary)
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inverted = (try? dictionary.value(for: CodingKeys.inverted)) ?? false
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if let expansionDictionary = dictionary[CodingKeys.expansion.rawValue] as? [String: Any] {
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expansion = try KeyframeGroup<Vector1D>(dictionary: expansionDictionary)
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} else {
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expansion = KeyframeGroup(Vector1D(0))
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}
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}
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// MARK: Internal
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enum CodingKeys: String, CodingKey {
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case mode
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case opacity = "o"
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case inverted = "inv"
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case shape = "pt"
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case expansion = "x"
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}
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let mode: MaskMode
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let opacity: KeyframeGroup<Vector1D>
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let shape: KeyframeGroup<BezierPath>
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let inverted: Bool
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let expansion: KeyframeGroup<Vector1D>
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}
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