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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| import Cocoa | ||
|
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| public struct ImageExporter { | ||
| public let images: [[String: NSObject]] | ||
|
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| public init(images: [[String : NSObject]]) { | ||
| self.images = images | ||
| } | ||
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| @available(macOS 10.15, *) | ||
| public func export(toDirectoryAt url: URL) async { | ||
| await withCheckedContinuation { continuation in | ||
| export(toDirectoryAt: url) { | ||
| continuation.resume() | ||
| } | ||
| } | ||
| } | ||
|
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| public func export(toDirectoryAt url: URL, completionHandler: (() -> Void)? = nil) { | ||
| DispatchQueue.global(qos: DispatchQoS.QoSClass.userInitiated).async { | ||
| images.forEach { image in | ||
| guard let filename = image[kACSFilenameKey] as? String else { return } | ||
|
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| var pathComponents = url.pathComponents | ||
|
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| pathComponents.append(filename) | ||
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| guard let pngData = image[kACSContentsDataKey] as? Data else { return } | ||
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| let path = self.nextAvailablePath(filePath: NSString.path(withComponents: pathComponents) as String) | ||
| do { | ||
| try pngData.write(to: URL(fileURLWithPath: path), options: .atomic) | ||
| } catch { | ||
| NSLog("ERROR: Unable to write \(filename) to \(path); \(error)") | ||
| } | ||
| } | ||
|
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| DispatchQueue.main.async { | ||
| completionHandler?() | ||
| } | ||
| } | ||
| } | ||
|
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| private func nextAvailablePath(filePath: String) -> String { | ||
| let fileManager = FileManager.default | ||
| let originalURL = URL(fileURLWithPath: filePath) | ||
| let directory = originalURL.deletingLastPathComponent() | ||
| let baseFilename = originalURL.deletingPathExtension().lastPathComponent | ||
| let fileExtension = originalURL.pathExtension | ||
|
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| var counter = 1 | ||
| var newFilename = baseFilename | ||
|
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| while fileManager.fileExists(atPath: directory.appendingPathComponent(newFilename).appendingPathExtension(fileExtension).path) && counter < 100 { | ||
| newFilename = "\(baseFilename)_\(counter)" | ||
| counter += 1 | ||
| } | ||
|
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| return directory.appendingPathComponent(newFilename).appendingPathExtension(fileExtension).path | ||
| } | ||
| } |
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