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All rights reserved. +// + +import UIKit + +@UIApplicationMain +class AppDelegate: UIResponder, UIApplicationDelegate { + + + + func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool { + // Override point for customization after application launch. + return true + } + + // MARK: UISceneSession Lifecycle + + func application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) -> UISceneConfiguration { + // Called when a new scene session is being created. + // Use this method to select a configuration to create the new scene with. + return UISceneConfiguration(name: "Default Configuration", sessionRole: connectingSceneSession.role) + } + + func application(_ application: UIApplication, didDiscardSceneSessions sceneSessions: Set) { + // Called when the user discards a scene session. + // If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions. + // Use this method to release any resources that were specific to the discarded scenes, as they will not return. + } + + +} + diff --git a/iOSUIImageToPDF/iOSUIImageToPDF/Assets.xcassets/AppIcon.appiconset/Contents.json b/iOSUIImageToPDF/iOSUIImageToPDF/Assets.xcassets/AppIcon.appiconset/Contents.json new file mode 100644 index 0000000..d8db8d6 --- /dev/null +++ b/iOSUIImageToPDF/iOSUIImageToPDF/Assets.xcassets/AppIcon.appiconset/Contents.json @@ -0,0 +1,98 @@ +{ + "images" : [ + { + "idiom" : "iphone", + "size" : "20x20", + "scale" : "2x" + }, + { + "idiom" : "iphone", + "size" : "20x20", + "scale" : "3x" + }, + { + "idiom" : "iphone", + "size" : "29x29", + "scale" : "2x" + }, + { + "idiom" : "iphone", + "size" : "29x29", + "scale" : "3x" + }, + { + "idiom" : "iphone", + "size" : "40x40", + "scale" : "2x" + }, + { + "idiom" : "iphone", + "size" : "40x40", + "scale" : "3x" + }, + { + "idiom" : "iphone", + "size" : "60x60", + "scale" : "2x" + }, + { + "idiom" : "iphone", + "size" : "60x60", + "scale" : "3x" + }, + { + "idiom" : "ipad", + "size" : "20x20", + "scale" : "1x" + }, + { + "idiom" : "ipad", + "size" : "20x20", + "scale" : "2x" + }, + { + "idiom" : "ipad", + "size" : "29x29", + "scale" : "1x" + }, + { + "idiom" : "ipad", + "size" : "29x29", + "scale" : "2x" + }, + { + "idiom" : "ipad", + "size" : "40x40", + "scale" : "1x" + }, + { + "idiom" : "ipad", + "size" : "40x40", + "scale" : "2x" + }, + { + "idiom" : "ipad", + "size" : "76x76", + "scale" : "1x" + }, + { + "idiom" : "ipad", + "size" : "76x76", + "scale" : "2x" + }, + { + "idiom" : "ipad", + "size" : "83.5x83.5", + "scale" : "2x" + }, + { + "idiom" : "ios-marketing", + "size" : "1024x1024", + "scale" : "1x" + } + ], + "info" : { + "version" : 1, + "author" : "xcode" + } +} \ No newline at end of file diff --git a/iOSUIImageToPDF/iOSUIImageToPDF/Assets.xcassets/Contents.json b/iOSUIImageToPDF/iOSUIImageToPDF/Assets.xcassets/Contents.json new file mode 100644 index 0000000..da4a164 --- /dev/null +++ b/iOSUIImageToPDF/iOSUIImageToPDF/Assets.xcassets/Contents.json @@ -0,0 +1,6 @@ +{ + "info" : { + "version" : 1, + "author" : "xcode" + } +} \ No newline at end of file diff --git a/iOSUIImageToPDF/iOSUIImageToPDF/Base.lproj/LaunchScreen.storyboard b/iOSUIImageToPDF/iOSUIImageToPDF/Base.lproj/LaunchScreen.storyboard new file mode 100644 index 0000000..865e932 --- /dev/null +++ b/iOSUIImageToPDF/iOSUIImageToPDF/Base.lproj/LaunchScreen.storyboard @@ -0,0 +1,25 @@ + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/iOSUIImageToPDF/iOSUIImageToPDF/Base.lproj/Main.storyboard b/iOSUIImageToPDF/iOSUIImageToPDF/Base.lproj/Main.storyboard new file mode 100644 index 0000000..a4a6cae --- /dev/null +++ b/iOSUIImageToPDF/iOSUIImageToPDF/Base.lproj/Main.storyboard @@ -0,0 +1,58 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/iOSUIImageToPDF/iOSUIImageToPDF/Info.plist b/iOSUIImageToPDF/iOSUIImageToPDF/Info.plist new file mode 100644 index 0000000..53e4b04 --- /dev/null +++ b/iOSUIImageToPDF/iOSUIImageToPDF/Info.plist @@ -0,0 +1,66 @@ + + + + + CFBundleDevelopmentRegion + $(DEVELOPMENT_LANGUAGE) + CFBundleExecutable + $(EXECUTABLE_NAME) + CFBundleIdentifier + $(PRODUCT_BUNDLE_IDENTIFIER) + CFBundleInfoDictionaryVersion + 6.0 + CFBundleName + $(PRODUCT_NAME) + CFBundlePackageType + $(PRODUCT_BUNDLE_PACKAGE_TYPE) + CFBundleShortVersionString + 1.0 + CFBundleVersion + 1 + LSRequiresIPhoneOS + + UIApplicationSceneManifest + + UIApplicationSupportsMultipleScenes + + UISceneConfigurations + + UIWindowSceneSessionRoleApplication + + + UISceneConfigurationName + Default Configuration + UISceneDelegateClassName + $(PRODUCT_MODULE_NAME).SceneDelegate + UISceneStoryboardFile + Main + + + + + UILaunchStoryboardName + LaunchScreen + UIMainStoryboardFile + Main + UIRequiredDeviceCapabilities + + armv7 + + NSCameraUsageDescription + Need camera to scan documents + UISupportedInterfaceOrientations + + UIInterfaceOrientationPortrait + UIInterfaceOrientationLandscapeLeft + UIInterfaceOrientationLandscapeRight + + UISupportedInterfaceOrientations~ipad + + UIInterfaceOrientationPortrait + UIInterfaceOrientationPortraitUpsideDown + UIInterfaceOrientationLandscapeLeft + UIInterfaceOrientationLandscapeRight + + + diff --git a/iOSUIImageToPDF/iOSUIImageToPDF/SceneDelegate.swift b/iOSUIImageToPDF/iOSUIImageToPDF/SceneDelegate.swift new file mode 100644 index 0000000..dc0cd21 --- /dev/null +++ b/iOSUIImageToPDF/iOSUIImageToPDF/SceneDelegate.swift @@ -0,0 +1,53 @@ +// +// SceneDelegate.swift +// iOSUIImageToPDF +// +// Created by Anupam Chugh on 09/10/19. +// Copyright © 2019 Anupam Chugh. All rights reserved. +// + +import UIKit + +class SceneDelegate: UIResponder, UIWindowSceneDelegate { + + var window: UIWindow? + + + func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) { + // Use this method to optionally configure and attach the UIWindow `window` to the provided UIWindowScene `scene`. + // If using a storyboard, the `window` property will automatically be initialized and attached to the scene. + // This delegate does not imply the connecting scene or session are new (see `application:configurationForConnectingSceneSession` instead). + guard let _ = (scene as? UIWindowScene) else { return } + } + + func sceneDidDisconnect(_ scene: UIScene) { + // Called as the scene is being released by the system. + // This occurs shortly after the scene enters the background, or when its session is discarded. + // Release any resources associated with this scene that can be re-created the next time the scene connects. + // The scene may re-connect later, as its session was not neccessarily discarded (see `application:didDiscardSceneSessions` instead). + } + + func sceneDidBecomeActive(_ scene: UIScene) { + // Called when the scene has moved from an inactive state to an active state. + // Use this method to restart any tasks that were paused (or not yet started) when the scene was inactive. + } + + func sceneWillResignActive(_ scene: UIScene) { + // Called when the scene will move from an active state to an inactive state. + // This may occur due to temporary interruptions (ex. an incoming phone call). + } + + func sceneWillEnterForeground(_ scene: UIScene) { + // Called as the scene transitions from the background to the foreground. + // Use this method to undo the changes made on entering the background. + } + + func sceneDidEnterBackground(_ scene: UIScene) { + // Called as the scene transitions from the foreground to the background. + // Use this method to save data, release shared resources, and store enough scene-specific state information + // to restore the scene back to its current state. + } + + +} + diff --git a/iOSUIImageToPDF/iOSUIImageToPDF/ViewController.swift b/iOSUIImageToPDF/iOSUIImageToPDF/ViewController.swift new file mode 100644 index 0000000..9039a59 --- /dev/null +++ b/iOSUIImageToPDF/iOSUIImageToPDF/ViewController.swift @@ -0,0 +1,122 @@ +// +// ViewController.swift +// iOSUIImageToPDF +// +// Created by Anupam Chugh on 09/10/19. +// Copyright © 2019 Anupam Chugh. All rights reserved. +// + +import UIKit +import VisionKit +import PDFKit + +class ViewController: UIViewController, VNDocumentCameraViewControllerDelegate { + + @IBOutlet weak var btnScan: UIButton! + @IBOutlet weak var btnPdf: UIButton! + + var pdfView : PDFView! + + override func viewDidLoad() { + super.viewDidLoad() + + btnPdf.isHidden = true + addPDFView() + } + + func addPDFView() + { + pdfView = PDFView() + + pdfView.translatesAutoresizingMaskIntoConstraints = false + view.addSubview(pdfView) + + pdfView.leadingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.leadingAnchor).isActive = true + pdfView.trailingAnchor.constraint(equalTo: view.safeAreaLayoutGuide.trailingAnchor).isActive = true + pdfView.topAnchor.constraint(equalTo: btnScan.bottomAnchor).isActive = true + pdfView.bottomAnchor.constraint(equalTo: btnPdf.topAnchor).isActive = true + } + + @IBAction func btnViewPDF(_ sender: Any) { + + let fileManager = FileManager.default + let documentDirectory = fileManager.urls(for: .documentDirectory, in: .userDomainMask).first! + let docURL = documentDirectory.appendingPathComponent("Scanned-Docs.pdf") + + + if fileManager.fileExists(atPath: docURL.path){ + pdfView.document = PDFDocument(url: docURL) + } + else{ + print("file does not exist..") + } + + } + + @IBAction func btnScanDocument(_ sender: Any) { + + let scannerViewController = VNDocumentCameraViewController() + scannerViewController.delegate = self + present(scannerViewController, animated: true) + } + + + func documentCameraViewController(_ controller: VNDocumentCameraViewController, didFinishWith scan: VNDocumentCameraScan) { + guard scan.pageCount >= 1 else { + controller.dismiss(animated: true) + return + } + + DispatchQueue.main.async { + + let pdfDocument = PDFDocument() + + for i in 0 ..< scan.pageCount { + if let image = scan.imageOfPage(at: i).resize(toWidth: 250){ + print("image size is \(image.size.width), \(image.size.height)") + // Create a PDF page instance from your image + let pdfPage = PDFPage(image: image) + // Insert the PDF page into your document + pdfDocument.insert(pdfPage!, at: i) + } + } + + + // Get the raw data of your PDF document + let data = pdfDocument.dataRepresentation() + + let documentDirectory = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first! + let docURL = documentDirectory.appendingPathComponent("Scanned-Docs.pdf") + do{ + try data?.write(to: docURL) + }catch(let error) + { + print("error is \(error.localizedDescription)") + } + + } + controller.dismiss(animated: true) + btnPdf.isHidden = false + + } + + func documentCameraViewController(_ controller: VNDocumentCameraViewController, didFailWithError error: Error) { + print(error) + controller.dismiss(animated: true) + } + + func documentCameraViewControllerDidCancel(_ controller: VNDocumentCameraViewController) { + controller.dismiss(animated: true) + } + +} + +extension UIImage{ + func resize(toWidth width: CGFloat) -> UIImage? { + let canvas = CGSize(width: width, height: CGFloat(ceil(width/size.width * size.height))) + return UIGraphicsImageRenderer(size: canvas, format: imageRendererFormat).image { + _ in draw(in: CGRect(origin: .zero, size: canvas)) + } + } +} +