20 lines
743 B
Swift
20 lines
743 B
Swift
import AppKit
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/// 网络页面共用的包内 SVG 缓存，不依赖账号登录界面。
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@MainActor
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final class LogoCache {
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static let shared = LogoCache()
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private var images: [String: NSImage] = [:]
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func image(named name: String, template: Bool) -> NSImage? {
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// 同一 SVG 会同时用于彩色页面和单色菜单栏，模板属性必须分别缓存。
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let key = "\(name):\(template)"
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if let image = images[key] { return image }
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guard let url = Bundle.module.url(forResource: name, withExtension: "svg", subdirectory: "Logos"),
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let image = NSImage(contentsOf: url) else { return nil }
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image.isTemplate = template
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images[key] = image
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return image
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}
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}
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