78 lines
2.2 KiB
Swift
78 lines
2.2 KiB
Swift
//
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// Trim.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: - TrimType
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enum TrimType: Int, Codable {
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case simultaneously = 1
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case individually = 2
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}
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// MARK: - Trim
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final class Trim: ShapeItem {
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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: Trim.CodingKeys.self)
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start = try container.decode(KeyframeGroup<Vector1D>.self, forKey: .start)
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end = try container.decode(KeyframeGroup<Vector1D>.self, forKey: .end)
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offset = try container.decode(KeyframeGroup<Vector1D>.self, forKey: .offset)
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trimType = try container.decode(TrimType.self, forKey: .trimType)
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try super.init(from: decoder)
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}
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required init(dictionary: [String: Any]) throws {
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let startDictionary: [String: Any] = try dictionary.value(for: CodingKeys.start)
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start = try KeyframeGroup<Vector1D>(dictionary: startDictionary)
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let endDictionary: [String: Any] = try dictionary.value(for: CodingKeys.end)
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end = try KeyframeGroup<Vector1D>(dictionary: endDictionary)
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let offsetDictionary: [String: Any] = try dictionary.value(for: CodingKeys.offset)
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offset = try KeyframeGroup<Vector1D>(dictionary: offsetDictionary)
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let trimTypeRawValue: Int = try dictionary.value(for: CodingKeys.trimType)
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guard let trimType = TrimType(rawValue: trimTypeRawValue) else {
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throw InitializableError.invalidInput
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}
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self.trimType = trimType
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try super.init(dictionary: dictionary)
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}
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// MARK: Internal
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/// The start of the trim
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let start: KeyframeGroup<Vector1D>
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/// The end of the trim
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let end: KeyframeGroup<Vector1D>
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/// The offset of the trim
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let offset: KeyframeGroup<Vector1D>
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let trimType: TrimType
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override func encode(to encoder: Encoder) throws {
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try super.encode(to: encoder)
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var container = encoder.container(keyedBy: CodingKeys.self)
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try container.encode(start, forKey: .start)
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try container.encode(end, forKey: .end)
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try container.encode(offset, forKey: .offset)
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try container.encode(trimType, forKey: .trimType)
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}
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// MARK: Private
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private enum CodingKeys: String, CodingKey {
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case start = "s"
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case end = "e"
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case offset = "o"
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case trimType = "m"
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}
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}
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