132 lines
5.0 KiB
Swift
132 lines
5.0 KiB
Swift
import AppKit
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import Foundation
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/// SPEC §2 / §7 — `NSPrintOperation` + `NSPrintInfo` + CorePrinting dictionary
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/// injection + UI policy (lock Color Matching pane).
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final class PrintEngine {
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var jobTitle: String
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var printerName: String
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var mediaSize: String
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var mediaType: String?
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var paperSource: String?
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var resolution: String?
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var scaling: Double
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var centered: Bool
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var landscape: Bool
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var colorMode: ColorMatchingMode
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var lockColorManagement: Bool
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var allowBasicDriverChanges: Bool
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init(job: TargetJob) {
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jobTitle = job.jobTitle
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printerName = job.printSettings.printerName
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mediaSize = job.printSettings.mediaSize
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mediaType = job.printSettings.mediaType
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paperSource = job.printSettings.paperSource
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resolution = job.printSettings.resolution
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scaling = job.printSettings.scaling
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centered = job.printSettings.centered
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landscape = false
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colorMode = ColorMatchingMode.from(forceUnmanagedColor: job.printSettings.forceUnmanagedColor)
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lockColorManagement = job.uiPolicy.lockColorManagement
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allowBasicDriverChanges = job.uiPolicy.allowBasicDriverChanges
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}
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init() {
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jobTitle = "Untitled"
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printerName = ""
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mediaSize = "A4"
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mediaType = nil
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paperSource = nil
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resolution = nil
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scaling = 1.0
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centered = true
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landscape = false
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colorMode = .unmanaged
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lockColorManagement = true
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allowBasicDriverChanges = true
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}
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func makePrintInfo() throws -> NSPrintInfo {
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let info = NSPrintInfo.shared.copy() as! NSPrintInfo
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info.jobDisposition = .spool
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info.isHorizontallyCentered = false
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info.isVerticallyCentered = false
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info.leftMargin = 0
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info.rightMargin = 0
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info.topMargin = 0
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info.bottomMargin = 0
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info.horizontalPagination = .clip
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info.verticalPagination = .clip
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info.orientation = landscape ? .landscape : .portrait
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info.scalingFactor = 1.0 // geometric scaling is applied in the view, not here
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if !printerName.isEmpty {
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info.printer = NSPrinter(name: printerName) ?? info.printer
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}
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let paper = Geometry.paper(named: mediaSize).oriented(landscape: landscape)
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info.paperSize = paper.size
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info.paperName = NSPrinter.PaperName(rawValue: mediaSize)
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ColorMatching.apply(colorMode, to: info)
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do {
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if let queue = try CUPSManager.namedQueue(printerName) ?? try CUPSManager.listQueues().first(where: { $0.name == printerName }) {
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let bypass = CUPSManager.vendorColorBypass(make: queue.make, model: queue.model, ppdText: queue.ppdText)
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CUPSManager.applyVendorBypass(bypass, to: info)
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}
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} catch {
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TPLog.error("CUPS lookup failed: \(error)")
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throw AppError.printer(String(describing: error))
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}
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applyOptionalPPDKeys(to: info)
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return info
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}
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private func applyOptionalPPDKeys(to info: NSPrintInfo) {
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var extras: [String: String] = [:]
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if let mediaType = mediaType { extras["MediaType"] = mediaType }
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if let paperSource = paperSource { extras["InputSlot"] = paperSource }
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if let resolution = resolution { extras["Resolution"] = resolution }
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if extras.isEmpty { return }
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CUPSManager.applyVendorBypass(extras, to: info)
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}
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/// Presents `NSPrintPanel` as a sheet on `window` (SPEC §4.5).
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func run(view: TargetCanvasView, window: NSWindow, presentPanel: Bool) {
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do {
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let info = try makePrintInfo()
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view.printInfo = info
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view.centered = centered
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view.scaling = CGFloat(scaling)
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let op = NSPrintOperation(view: view, printInfo: info)
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op.jobTitle = jobTitle
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op.showsPrintPanel = presentPanel
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op.showsProgressPanel = true
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op.canSpawnSeparateThread = false
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ColorMatching.configurePanel(
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op.printPanel,
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lockColorManagement: lockColorManagement,
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allowBasicDriverChanges: allowBasicDriverChanges
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)
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// Strip again just before the panel runs — system accessories may
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// be installed lazily when the panel is created.
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ColorMatching.stripColorMatchingAccessories(from: op.printPanel)
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TPLog.info("NSPrintOperation begin — printer=\(printerName) media=\(mediaSize) mode=\(colorMode.pmValue)")
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op.runModal(for: window, delegate: self, didRun: #selector(printOpDidRun(_:success:contextInfo:)), contextInfo: nil)
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} catch {
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PreviewWindowController.presentError(error, on: window)
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}
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}
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@objc private func printOpDidRun(_ op: NSPrintOperation, success: Bool, contextInfo: UnsafeMutableRawPointer?) {
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TPLog.info("NSPrintOperation finished success=\(success)")
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// SPEC §4: exit 0 for cancel or completed print.
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AppDelegate.shared?.pendingExitCode = .success
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}
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}
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