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69 lines
2.4 KiB
Swift
69 lines
2.4 KiB
Swift
//
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// TransformItem.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 ShapeTransform: ShapeItem {
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/// Anchor Point
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let anchor: 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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/// Rotation
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let rotation: KeyframeGroup<Vector1D>
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/// opacity
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let opacity: KeyframeGroup<Vector1D>
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/// Skew
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let skew: KeyframeGroup<Vector1D>
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/// Skew Axis
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let skewAxis: KeyframeGroup<Vector1D>
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private enum CodingKeys : String, CodingKey {
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case anchor = "a"
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case position = "p"
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case scale = "s"
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case rotation = "r"
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case opacity = "o"
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case skew = "sk"
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case skewAxis = "sa"
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}
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required init(from decoder: Decoder) throws {
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let container = try decoder.container(keyedBy: ShapeTransform.CodingKeys.self)
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self.anchor = try container.decodeIfPresent(KeyframeGroup<Vector3D>.self, forKey: .anchor) ?? KeyframeGroup(Vector3D(x: Double(0), y: 0, z: 0))
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self.position = try container.decodeIfPresent(KeyframeGroup<Vector3D>.self, forKey: .position) ?? KeyframeGroup(Vector3D(x: Double(0), y: 0, z: 0))
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self.scale = try container.decodeIfPresent(KeyframeGroup<Vector3D>.self, forKey: .scale) ?? KeyframeGroup(Vector3D(x: Double(100), y: 100, z: 100))
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self.rotation = try container.decodeIfPresent(KeyframeGroup<Vector1D>.self, forKey: .rotation) ?? KeyframeGroup(Vector1D(0))
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self.opacity = try container.decodeIfPresent(KeyframeGroup<Vector1D>.self, forKey: .opacity) ?? KeyframeGroup(Vector1D(100))
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self.skew = try container.decodeIfPresent(KeyframeGroup<Vector1D>.self, forKey: .skew) ?? KeyframeGroup(Vector1D(0))
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self.skewAxis = try container.decodeIfPresent(KeyframeGroup<Vector1D>.self, forKey: .skewAxis) ?? KeyframeGroup(Vector1D(0))
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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(anchor, forKey: .anchor)
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try container.encode(position, forKey: .position)
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try container.encode(scale, forKey: .scale)
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try container.encode(rotation, forKey: .rotation)
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try container.encode(opacity, forKey: .opacity)
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try container.encode(skew, forKey: .skew)
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try container.encode(skewAxis, forKey: .skewAxis)
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}
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}
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