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81 lines
3.2 KiB
Swift
81 lines
3.2 KiB
Swift
//
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// Repeater.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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/// An item that define an ellipse shape
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final class Repeater: ShapeItem {
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/// The number of copies to repeat
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let copies: KeyframeGroup<Vector1D>
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/// The offset of each copy
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let offset: KeyframeGroup<Vector1D>
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/// Start Opacity
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let startOpacity: KeyframeGroup<Vector1D>
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/// End opacity
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let endOpacity: KeyframeGroup<Vector1D>
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/// The rotation
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let rotation: KeyframeGroup<Vector1D>
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/// Anchor Point
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let anchorPoint: KeyframeGroup<Vector3D>
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/// Position
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let position: KeyframeGroup<Vector3D>
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/// Scale
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let scale: KeyframeGroup<Vector3D>
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private enum CodingKeys : String, CodingKey {
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case copies = "c"
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case offset = "o"
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case transform = "tr"
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}
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private enum TransformKeys : String, CodingKey {
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case rotation = "r"
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case startOpacity = "so"
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case endOpacity = "eo"
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case anchorPoint = "a"
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case position = "p"
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case scale = "s"
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}
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required init(from decoder: Decoder) throws {
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let container = try decoder.container(keyedBy: Repeater.CodingKeys.self)
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self.copies = try container.decodeIfPresent(KeyframeGroup<Vector1D>.self, forKey: .copies) ?? KeyframeGroup(Vector1D(0))
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self.offset = try container.decodeIfPresent(KeyframeGroup<Vector1D>.self, forKey: .offset) ?? KeyframeGroup(Vector1D(0))
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let transformContainer = try container.nestedContainer(keyedBy: TransformKeys.self, forKey: .transform)
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self.startOpacity = try transformContainer.decodeIfPresent(KeyframeGroup<Vector1D>.self, forKey: .startOpacity) ?? KeyframeGroup(Vector1D(100))
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self.endOpacity = try transformContainer.decodeIfPresent(KeyframeGroup<Vector1D>.self, forKey: .endOpacity) ?? KeyframeGroup(Vector1D(100))
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self.rotation = try transformContainer.decodeIfPresent(KeyframeGroup<Vector1D>.self, forKey: .rotation) ?? KeyframeGroup(Vector1D(0))
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self.position = try transformContainer.decodeIfPresent(KeyframeGroup<Vector3D>.self, forKey: .position) ?? KeyframeGroup(Vector3D(x: Double(0), y: 0, z: 0))
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self.anchorPoint = try transformContainer.decodeIfPresent(KeyframeGroup<Vector3D>.self, forKey: .anchorPoint) ?? KeyframeGroup(Vector3D(x: Double(0), y: 0, z: 0))
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self.scale = try transformContainer.decodeIfPresent(KeyframeGroup<Vector3D>.self, forKey: .scale) ?? KeyframeGroup(Vector3D(x: Double(100), y: 100, z: 100))
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try super.init(from: decoder)
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}
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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(copies, forKey: .copies)
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try container.encode(offset, forKey: .offset)
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var transformContainer = container.nestedContainer(keyedBy: TransformKeys.self, forKey: .transform)
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try transformContainer.encode(startOpacity, forKey: .startOpacity)
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try transformContainer.encode(endOpacity, forKey: .endOpacity)
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try transformContainer.encode(rotation, forKey: .rotation)
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try transformContainer.encode(position, forKey: .position)
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try transformContainer.encode(anchorPoint, forKey: .anchorPoint)
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try transformContainer.encode(scale, forKey: .scale)
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}
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}
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