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July 30, 2020 07:59
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| // | |
| // Taby.swift | |
| // | |
| import SwiftUI | |
| import PencilKit | |
| import Foundation | |
| import SwiftUI | |
| import PencilKit | |
| import VisionKit | |
| import Vision | |
| struct TabyCanvasView: UIViewRepresentable { | |
| let canvas = PKCanvasView() | |
| @Environment(\.undoManager) var undoManager | |
| func makeUIView(context: Context) -> PKCanvasView { | |
| canvas.isOpaque = false | |
| canvas.backgroundColor = UIColor.red | |
| canvas.drawingPolicy = .anyInput | |
| return canvas | |
| } | |
| func updateUIView(_ uiView: PKCanvasView, context: Context) { | |
| uiView.delegate = context.coordinator | |
| context.coordinator.toolPicker.addObserver(uiView) | |
| context.coordinator.toolPicker.setVisible(true, forFirstResponder: uiView) | |
| } | |
| func makeCoordinator() -> TabyCoordinator { | |
| return TabyCanvasView.TabyCoordinator(self) | |
| } | |
| class TabyCoordinator: NSObject, PKCanvasViewDelegate { | |
| var toolPicker = PKToolPicker() | |
| var parent: TabyCanvasView | |
| init(_ uiView: TabyCanvasView) { | |
| self.parent = uiView | |
| } | |
| func canvasViewDidBeginUsingTool(_ canvasView: PKCanvasView) { | |
| } | |
| func canvasViewDidEndUsingTool(_ canvasView: PKCanvasView) { | |
| } | |
| func canvasViewDrawingDidChange(_ canvasView: PKCanvasView) { | |
| } | |
| func canvasViewDidFinishRendering(_ canvasView: PKCanvasView) { | |
| } | |
| } | |
| } | |
| struct Taby: View { | |
| let placement: ToolbarItemPlacement = .destructiveAction | |
| var body: some View { | |
| VStack { | |
| VStack() { | |
| Text("Hello, World!") | |
| Button("Button 1") { | |
| print("Clicked 1") | |
| } | |
| Button("Button 2") { | |
| print("Clicked 2") | |
| } | |
| Button("Button 3") { | |
| print("Clicked 3") | |
| } | |
| } | |
| ScrollView { | |
| TabyCanvasView() | |
| .frame(width: /*@START_MENU_TOKEN@*/100/*@END_MENU_TOKEN@*/, height: 2000, alignment: /*@START_MENU_TOKEN@*/.center/*@END_MENU_TOKEN@*/) | |
| } | |
| } | |
| } | |
| } | |
| struct Taby_Previews: PreviewProvider { | |
| static var previews: some View { | |
| Taby() | |
| } | |
| } |
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