WWDC - Developer's Living - PDFKit on iOS 11 -

WWDC Retrospective
- PDFKit on iOS 11

Transcript

1. WWDC Developer's Living kk@realm.io
2. Katsumi Kishikawa Realm Inc. kk@realm.io
3. PDFKit kk@realm.io
4. PDFKit • PDFView • PDFThumbnailView • PDFDocument • PDFPage • PDFOutline • PDFSelection • PDFAnnotation • PDFAction kk@realm.io
5. kk@realm.io if let documentURL = Bundle.main.url(forResource: "...", withExtension: "pdf") { if let document = PDFDocument(url: documentURL) { pdfView.document = document pdfView.backgroundColor = UIColor.lightGray pdfView.autoScales = true pdfView.displayMode = .singlePageContinuous pdfView.displayDirection = .vertical PDFView
6. kk@realm.io
7. kk@realm.io if let documentURL = Bundle.main.url(forResource: "...", withExtension: "pdf") { if let document = PDFDocument(url: documentURL) { ... pdfThumbnailView.thumbnailSize = CGSize(width: 50, height: 75) pdfThumbnailView.layoutMode = .horizontal pdfThumbnailView.pdfView = pdfView ... PDFThumbnailView
8. kk@realm.io
9. kk@realm.io pdfView.displayMode = .singlePage pdfView.displayMode = .singlePageContinuous pdfView.displayMode = .twoUp pdfView.displayMode = .twoUpContinuous pdfView.displayDirection = .vertical pdfView.displayDirection = .horizontal PDFDisplayMode/PDFDisplayDirection
10. kk@realm.io singlePageContinuous twoUpContinuous
11. kk@realm.io singlePage twoUp
12. kk@realm.io pdfView.usePageViewController(true, withViewOptions: [UIPageViewControllerOptionInterPageSpacingKey: 20]) PDFView with UIPageViewController
13. kk@realm.io PDFView with UIPageViewController
14. kk@realm.io pdfView.goToFirstPage(nil) pdfView.goToLastPage(nil) pdfView.goToNextPage(nil) pdfView.goToPreviousPage(nil) pdfView.go(to: document.page(at: 10)!) Change current page
15. kk@realm.io if let root = pdfDocument?.outlineRoot { var stack = [root] while !stack.isEmpty { let current = stack.removeLast() if let label = current.label, !label.isEmpty { var indentationLevel = -1 var parent = current.parent while let _ = parent { indentationLevel += 1 parent = parent?.parent } print(String(repeating: " ", count: indentationLevel) + label) } for i in (0..<current.numberOfChildren).reversed() { stack.append(current.child(at: i)) } } } Table of Contents (PDFOutline)
16. kk@realm.io ͸͡Ίʹ ຊॻͷ಺༰ʹ͍ͭͯ TechBoosterͱ͸ ͓໰͍߹Θͤઌ ୈ1ষ ReVIEWೖ໳ 1.1 ReVIEWͱ͸Կ͔ 1.2 ReVIEWͷಛ৭ 1.3 ReVIEWͷ޲͍͍ͯΔ෼໺ɺ޲͍͍ͯͳ͍෼໺ 1.4 ReVIEWͷ՝୊ 1.5 ·ͱΊ ୈ2ষ ؀ڥߏங 2.1 ReVIEW؀ڥͷߏ੒ 2.2 MacͰͷ؀ڥߏங 2.3 LinuxͰͷ؀ڥߏங 2.4 WindowsͰͷ؀ڥߏங ୈ3ষ ࣥචΛ࢝ΊΔ 3.1 ϓϩδΣΫτΛ࡞੒͢Δ Table of Contents (PDFOutline)
17. kk@realm.io if let documentURL = Bundle.main.url(forResource: "...", withExtension: "pdf") { if let document = PDFDocument(url: documentURL) { ... document.delegate = self ... Draw custom contents
18. kk@realm.io func classForPage() -> AnyClass { return WatermarkPage.self } Draw custom contents (e.g. Watermark)
19. kk@realm.io
20. kk@realm.io if let document = PDFDocument(url: documentURL) { if document.isEncrypted && document.unlock(withPassword: "...") { if document.permissionsStatus == .owner { // owner... } else { // user... if document.allowsCopying { ... } if document.allowsPrinting { ... } ... } } ... Open protected PDF
21. kk@realm.io if let string = document.string { ... } Extract text if let string = page.string { ... }
22. kk@realm.io if document.pageCount > 0 { if let page = document.page(at: 0) { let text = page.string let attributedText = page.attributedString let annotations = page.annotations ... } } Extract text
23. kk@realm.io let selections = document.findString("...", withOptions: [.caseInsensitive]) for selection in selections { selection.color = .yellow ... } Search text (Synchronous)
24. kk@realm.io if let documentURL = Bundle.main.url(forResource: "...", withExtension: "pdf") { if let document = PDFDocument(url: documentURL) { ... document.delegate = self ... Search text (Asynchronous)
25. kk@realm.io func documentDidBeginPageFind(_ notification: Notification) { ... } func documentDidBeginDocumentFind(_ notification: Notification) { ... } func documentDidEndDocumentFind(_ notification: Notification) { ... } func documentDidEndPageFind(_ notification: Notification) { ... } func documentDidFindMatch(_ notification: Notification) { let selection = notification.userInfo["PDFDocumentFoundSelection"] ... } func didMatchString(_ instance: PDFSelection) { instance.color = .yellow selections.append(instance) ... }
26. kk@realm.io Search text
27. kk@realm.io Search text
28. kk@realm.io Search text ߦΛ·͙ͨͳͲ͢Δͱ͍͍ͨͯ͸ۭനจࣈ͕ؒʹೖͬͯ͠·ͬͯʮΠϯ ε τʔϧʯͷΑ͏ʹͳΔͷͰݕࡧʹϚον͠ͳ͍͜ͱ͕͋Γ·͢ɻ PDFʹ͸ߦ΍ஈམͱ͍͏֓೦͸ͳ͍ͷͰ͜Ε͸࢓ํ͕ͳ͍͜ͱͰ͢ɻ iBooks΍DropBoxΞϓϦͰಉ༷ͷ݁ՌʹͳΓ·͢ɻ ͜ͷ໰୊Λආ͚Δʹ͸ςΩετΛऔΓग़͠ɺۭന΍ۭߦΛऔΓআ͘ͳͲͯ͠ ΫϦʔχϯάࡁΈͷςΩετΛผ్σʔλϕʔεͳͲʹอ࣋͠ɺ͔ͦ͜Βݕ ࡧ͠·͢ɻ
29. 241 Introducing PDFKit on iOS kk@realm.io Reference
30. 241 Introducing PDFKit on iOS kk@realm.io Sample code (iBook clone)
31. kk@realm.io https://peaks.cc/iOS11
32. Questions? Katsuma Kishikawa kk@realm.io www.realm.io/jp @k_katsumi