SOURCE RECORD · S16
S16 · 拍照加水印
Optional Apple WeatherKit and MapKit data
保留原行号。个人／账户信息如有删除，已用 REDACTED 标识。原文件 SHA-256 只用于识别截取时的本机原文件；不能证明编写或提交时间，也不等于脱敏下载文件的哈希。
Original line numbers are retained. Redactions are explicitly marked. The original full-file hash identifies a captured local file, not its creation/submission time or the redacted download. Public-file hashes are listed separately. This is selected source, not a whole-repository or binary absence finding.
Project key: watermark
Original relative path: WatermarkCamera/WatermarkKit/EnvironmentalContextServices.swift
Captured: 2026-09-12T18:57:15+08:00
Original full-file SHA256: f9e65dcf1453a9e95d2ef063e08a3a76a98bd337c4d3e4470ddcdcf7ee5a4c2c
Evidence level: local source excerpt
Build correspondence: not yet established with an Apple-received binary.
Line numbers refer to the captured original file. Gaps are explicitly marked. No source code was changed.
Original lines 51 to 74
0051 }
0052
0053 func snapshot(for location: CLLocation, now: Date = Date(), enabled: Bool) async -> WeatherSnapshot? {
0054 guard enabled else { return nil }
0055 if let cached = cache.freshSnapshot(for: location, now: now, timeToLive: timeToLive) { return cached }
0056 do {
0057 let current = try await WeatherKit.WeatherService.shared.weather(for: location, including: .current)
0058 let snapshot = WeatherSnapshot(
0059 capturedAt: now,
0060 condition: current.condition.description,
0061 temperatureCelsius: current.temperature.converted(to: .celsius).value,
0062 apparentTemperatureCelsius: current.apparentTemperature.converted(to: .celsius).value,
0063 humidity: current.humidity,
0064 windSpeedMetersPerSecond: current.wind.speed.converted(to: .metersPerSecond).value,
0065 windDirectionDegrees: current.wind.direction.converted(to: .degrees).value
0066 )
0067 cache.store(snapshot, for: location)
0068 persist()
0069 return snapshot
0070 } catch {
0071 // Weather is optional. Missing entitlement, connectivity, or service
0072 // errors hide weather elements and never block capture.
0073 return nil
0074 }Original lines 99 to 132
0099
0100 func snapshot(for location: CLLocation) async -> String? {
0101 let name = String(format: "map-%.4f-%.4f.png", location.coordinate.latitude,
0102 location.coordinate.longitude).replacingOccurrences(of: "-", with: "m")
0103 let url = directory.appendingPathComponent(name)
0104 if FileManager.default.fileExists(atPath: url.path) { return "MapSnapshots/\(name)" }
0105
0106 let options = MKMapSnapshotter.Options()
0107 options.region = MKCoordinateRegion(center: location.coordinate,
0108 latitudinalMeters: 650,
0109 longitudinalMeters: 650)
0110 options.size = CGSize(width: 600, height: 360)
0111 options.scale = 2
0112 do {
0113 let snapshot = try await MKMapSnapshotter(options: options).start()
0114 let image = UIGraphicsImageRenderer(size: options.size).image { _ in
0115 snapshot.image.draw(at: .zero)
0116 let point = snapshot.point(for: location.coordinate)
0117 UIColor.systemRed.setFill()
0118 UIBezierPath(ovalIn: CGRect(x: point.x - 10, y: point.y - 10, width: 20, height: 20)).fill()
0119 UIColor.white.setStroke()
0120 let ring = UIBezierPath(ovalIn: CGRect(x: point.x - 10, y: point.y - 10, width: 20, height: 20))
0121 ring.lineWidth = 3
0122 ring.stroke()
0123 }
0124 guard let data = image.pngData() else { return nil }
0125 try FileManager.default.createDirectory(at: directory, withIntermediateDirectories: true)
0126 try data.write(to: url, options: .atomic)
0127 return "MapSnapshots/\(name)"
0128 } catch {
0129 return nil
0130 }
0131 }
0132 }