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28 lines
573 B
Swift
Executable File
28 lines
573 B
Swift
Executable File
//
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// File 2.swift
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//
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//
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// Created by Callum Trounce on 05/06/2019.
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//
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import Foundation
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import SwiftUI
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@available(iOS 13.0, *)
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class ImageCache {
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private let cache = NSCache<NSURL, CGImage>()
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private let queue = DispatchQueue.init(label: "cacheQueue", qos: .userInteractive)
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func store(image: CGImage, for url: URL) {
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queue.async { [unowned cache] in
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cache.setObject(image, forKey: url as NSURL)
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}
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}
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func image(for url: URL) -> CGImage? {
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return cache.object(forKey: url as NSURL)
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}
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}
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