2021-10-12 15:07:00 +04:00

81 lines
3.2 KiB
Swift

//
// Repeater.swift
// lottie-swift
//
// Created by Brandon Withrow on 1/8/19.
//
import Foundation
/// An item that define an ellipse shape
final class Repeater: ShapeItem {
/// The number of copies to repeat
let copies: KeyframeGroup<Vector1D>
/// The offset of each copy
let offset: KeyframeGroup<Vector1D>
/// Start Opacity
let startOpacity: KeyframeGroup<Vector1D>
/// End opacity
let endOpacity: KeyframeGroup<Vector1D>
/// The rotation
let rotation: KeyframeGroup<Vector1D>
/// Anchor Point
let anchorPoint: KeyframeGroup<Vector3D>
/// Position
let position: KeyframeGroup<Vector3D>
/// Scale
let scale: KeyframeGroup<Vector3D>
private enum CodingKeys : String, CodingKey {
case copies = "c"
case offset = "o"
case transform = "tr"
}
private enum TransformKeys : String, CodingKey {
case rotation = "r"
case startOpacity = "so"
case endOpacity = "eo"
case anchorPoint = "a"
case position = "p"
case scale = "s"
}
required init(from decoder: Decoder) throws {
let container = try decoder.container(keyedBy: Repeater.CodingKeys.self)
self.copies = try container.decodeIfPresent(KeyframeGroup<Vector1D>.self, forKey: .copies) ?? KeyframeGroup(Vector1D(0))
self.offset = try container.decodeIfPresent(KeyframeGroup<Vector1D>.self, forKey: .offset) ?? KeyframeGroup(Vector1D(0))
let transformContainer = try container.nestedContainer(keyedBy: TransformKeys.self, forKey: .transform)
self.startOpacity = try transformContainer.decodeIfPresent(KeyframeGroup<Vector1D>.self, forKey: .startOpacity) ?? KeyframeGroup(Vector1D(100))
self.endOpacity = try transformContainer.decodeIfPresent(KeyframeGroup<Vector1D>.self, forKey: .endOpacity) ?? KeyframeGroup(Vector1D(100))
self.rotation = try transformContainer.decodeIfPresent(KeyframeGroup<Vector1D>.self, forKey: .rotation) ?? KeyframeGroup(Vector1D(0))
self.position = try transformContainer.decodeIfPresent(KeyframeGroup<Vector3D>.self, forKey: .position) ?? KeyframeGroup(Vector3D(x: Double(0), y: 0, z: 0))
self.anchorPoint = try transformContainer.decodeIfPresent(KeyframeGroup<Vector3D>.self, forKey: .anchorPoint) ?? KeyframeGroup(Vector3D(x: Double(0), y: 0, z: 0))
self.scale = try transformContainer.decodeIfPresent(KeyframeGroup<Vector3D>.self, forKey: .scale) ?? KeyframeGroup(Vector3D(x: Double(100), y: 100, z: 100))
try super.init(from: decoder)
}
override func encode(to encoder: Encoder) throws {
try super.encode(to: encoder)
var container = encoder.container(keyedBy: CodingKeys.self)
try container.encode(copies, forKey: .copies)
try container.encode(offset, forKey: .offset)
var transformContainer = container.nestedContainer(keyedBy: TransformKeys.self, forKey: .transform)
try transformContainer.encode(startOpacity, forKey: .startOpacity)
try transformContainer.encode(endOpacity, forKey: .endOpacity)
try transformContainer.encode(rotation, forKey: .rotation)
try transformContainer.encode(position, forKey: .position)
try transformContainer.encode(anchorPoint, forKey: .anchorPoint)
try transformContainer.encode(scale, forKey: .scale)
}
}