Ben

inductionApp.xcodeproj/project.pbxproj

@@ -23,6 +23,7 @@
 		2F945183244FFF7F009521F7 /* pdf_sat-practice-test-1.pdf in Resources */ = {isa = PBXBuildFile; fileRef = 2F945182244FFF7F009521F7 /* pdf_sat-practice-test-1.pdf */; };
 		2F9451852450009D009521F7 /* josh.jpeg in Resources */ = {isa = PBXBuildFile; fileRef = 2F9451842450009D009521F7 /* josh.jpeg */; };
 		2F9C109C244F693100A7C6FF /* AppRootView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2F9C109B244F693100A7C6FF /* AppRootView.swift */; };
+		2FAB7857245149570038DCF4 /* CanvasRepresentable.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2FAB7856245149570038DCF4 /* CanvasRepresentable.swift */; };
 		2FEEE3FF2450B5B0003DE2BD /* AnswerSheetRow.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2FEEE3FE2450B5B0003DE2BD /* AnswerSheetRow.swift */; };
 		2FEEE4012450B94C003DE2BD /* AnswerSheetList.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2FEEE4002450B94C003DE2BD /* AnswerSheetList.swift */; };
 		D9DE365D4A1ADBF66FB1DE56 /* Pods_InductionApp.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 7153C925F845E1499489472E /* Pods_InductionApp.framework */; };
@@ -47,6 +48,7 @@
 		2F945182244FFF7F009521F7 /* pdf_sat-practice-test-1.pdf */ = {isa = PBXFileReference; lastKnownFileType = image.pdf; path = "pdf_sat-practice-test-1.pdf"; sourceTree = "<group>"; };
 		2F9451842450009D009521F7 /* josh.jpeg */ = {isa = PBXFileReference; lastKnownFileType = image.jpeg; path = josh.jpeg; sourceTree = "<group>"; };
 		2F9C109B244F693100A7C6FF /* AppRootView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; name = AppRootView.swift; path = InductionApp/AppRootView.swift; sourceTree = SOURCE_ROOT; };
+		2FAB7856245149570038DCF4 /* CanvasRepresentable.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; name = CanvasRepresentable.swift; path = InductionApp/CanvasRepresentable.swift; sourceTree = SOURCE_ROOT; };
 		2FEEE3FE2450B5B0003DE2BD /* AnswerSheetRow.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; name = AnswerSheetRow.swift; path = InductionApp/AnswerSheetRow.swift; sourceTree = SOURCE_ROOT; };
 		2FEEE4002450B94C003DE2BD /* AnswerSheetList.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; name = AnswerSheetList.swift; path = InductionApp/AnswerSheetList.swift; sourceTree = SOURCE_ROOT; };
 		7153C925F845E1499489472E /* Pods_InductionApp.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods_InductionApp.framework; sourceTree = BUILT_PRODUCTS_DIR; };
@@ -89,15 +91,15 @@
 			children = (
 				03BEBC4C244E7B69001576EC /* AppDelegate.swift */,
 				03BEBC4E244E7B69001576EC /* SceneDelegate.swift */,
-				03BEBC50244E7B69001576EC /* ContentView.swift */,
+				2FAB784C245135490038DCF4 /* Login and Signup */,
 				2F945180244FFA33009521F7 /* TestView.swift */,
 				2FEEE3FE2450B5B0003DE2BD /* AnswerSheetRow.swift */,
+				2FAB7856245149570038DCF4 /* CanvasRepresentable.swift */,
 				2FEEE4002450B94C003DE2BD /* AnswerSheetList.swift */,
 				2F945182244FFF7F009521F7 /* pdf_sat-practice-test-1.pdf */,
 				2F9C109B244F693100A7C6FF /* AppRootView.swift */,
 				2F0DD2C7244F5F3D00AFFADE /* UserModel.swift */,
 				2F0DD2C9244F5F6300AFFADE /* TestModel.swift */,
-				038753F7244E9AA900F85970 /* LoginView.swift */,
 				038753F9244E9AC800F85970 /* UserHomepageView.swift */,
 				2F9451842450009D009521F7 /* josh.jpeg */,
 				03BEBC52244E7B6A001576EC /* Assets.xcassets */,
@@ -118,6 +120,15 @@
 			path = "Preview Content";
 			sourceTree = "<group>";
 		};
+		2FAB784C245135490038DCF4 /* Login and Signup */ = {
+			isa = PBXGroup;
+			children = (
+				03BEBC50244E7B69001576EC /* ContentView.swift */,
+				038753F7244E9AA900F85970 /* LoginView.swift */,
+			);
+			path = "Login and Signup";
+			sourceTree = "<group>";
+		};
 		8AB41C41DEDE2DE06E9D7DE1 /* Frameworks */ = {
 			isa = PBXGroup;
 			children = (
@@ -277,6 +288,7 @@
 				2F0DD2CA244F5F6300AFFADE /* TestModel.swift in Sources */,
 				03BEBC4D244E7B69001576EC /* AppDelegate.swift in Sources */,
 				2FEEE4012450B94C003DE2BD /* AnswerSheetList.swift in Sources */,
+				2FAB7857245149570038DCF4 /* CanvasRepresentable.swift in Sources */,
 				2FEEE3FF2450B5B0003DE2BD /* AnswerSheetRow.swift in Sources */,
 				03BEBC4F244E7B69001576EC /* SceneDelegate.swift in Sources */,
 				2F945181244FFA33009521F7 /* TestView.swift in Sources */,

inductionApp/AnswerSheetRow.swift

@@ -16,6 +16,8 @@ struct AnswerSheetRow: View {
 
     var body: some View {
         VStack{
+
+
             HStack{
                 Text("A")
                 Spacer()

inductionApp/CanvasRepresentable.swift

@@ -0,0 +1,41 @@
+//
+//  DrawingPadRepresentation.swift
+//  InductionApp
+//
+//  Created by Ben Altschuler on 4/22/20.
+//  Copyright © 2020 Josh Breite. All rights reserved.
+//
+
+import Foundation
+import SwiftUI
+import PencilKit
+
+
+struct CanvasRepresentable: UIViewRepresentable {
+    @Binding var canvasToDraw: PKCanvasView
+
+//    class Coordinator: NSObject {
+//        @Binding var canvasToDraw: PKCanvasView?
+//
+//        init(canvasToDraw: Binding<UIImage?>){
+//            _canvasToDraw = canvasToDraw
+//        }
+//
+////        @objc func drawingImageChanged(_ sender: CanvasView) {
+////          self.drawingImage = sender.drawingImage
+////        }
+//    }
+
+    func makeUIView(context: Context) -> PKCanvasView {
+        let c = PKCanvasView()
+        c.isOpaque = false
+        c.allowsFingerDrawing = true
+        return c
+    }
+
+    func updateUIView(_ uiView: PKCanvasView, context: Context) {
+
+    }
+
+
+}

inductionApp/CanvasView.swift

@@ -0,0 +1,89 @@
+//
+//  CanvasView.swift
+//  InductionApp
+//
+//  Created by Ben Altschuler on 4/22/20.
+//  Copyright © 2020 Josh Breite. All rights reserved.
+//
+
+import Foundation
+import UIKit
+import PencilKit
+
+class CanvasView: UIControl, PKCanvasViewDelegate {
+  var drawingImage: UIImage?
+    private let defaultLineWidth: CGFloat = 0.5
+    private let minLineWidth: CGFloat = 0.4
+    private let forceSensitivity: CGFloat = 1
+
+    var canvasViewPK: PKCanvasView
+
+  init(drawingImage: UIImage?) {
+    self.drawingImage = drawingImage
+    self.canvasViewPK = PKCanvasView()
+
+    super.init(frame: .zero)
+    self.addSubview(self.canvasViewPK)
+  }
+
+  required init?(coder: NSCoder) {
+    fatalError("init(coder:) has not been implemented")
+  }
+
+    override func didMoveToWindow() {
+        canvasViewPK.delegate = self
+        print("BEN")
+        canvasViewPK.drawing = PKDrawing()
+        canvasViewPK.allowsFingerDrawing = false
+    }
+
+    // MARK: Canvas View Delegate
+
+       /// Delegate method: Note that the drawing has changed.
+       func canvasViewDrawingDidChange(_ canvasView: PKCanvasView) {
+           print("Drawing Canvas View Drawing Did Change")
+
+       }
+
+  override func draw(_ rect: CGRect) {
+    drawingImage?.draw(in: rect)
+  }
+
+  override func touchesEnded(_ touches: Set<UITouch>, with event: UIEvent?) {
+    sendActions(for: .valueChanged)
+  }
+
+  override func touchesMoved(_ touches: Set<UITouch>, with event: UIEvent?) {
+    guard let touch = touches.first else { return }
+    drawingImage = UIGraphicsImageRenderer(size: bounds.size).image { context in
+      UIColor.white.setFill()
+      context.fill(bounds)
+      drawingImage?.draw(in: bounds)
+        var touches = [UITouch]()
+        if let coalescedTouches = event?.coalescedTouches(for: touch){
+            touches = coalescedTouches
+        }else{
+            touches.append(touch)
+        }
+      drawStroke(context: context.cgContext, touch: touch)
+      setNeedsDisplay()
+    }
+  }
+
+  private func drawStroke(context: CGContext, touch: UITouch) {
+    let previousLocation = touch.previousLocation(in: self)
+    let location = touch.location(in: self)
+
+    var lineWidth: CGFloat = defaultLineWidth
+    if touch.force > 0{
+        lineWidth = touch.force * forceSensitivity
+    }
+    context.setLineWidth(lineWidth)
+    context.setLineCap(.round)
+
+
+    context.move(to: previousLocation)
+    context.addLine(to: location)
+    context.strokePath()
+  }
+}