feat: enhance vertex loading

Memola/Canvas/Contexts/GraphicContext.swift

@@ -11,7 +11,7 @@ import CoreData
 import Foundation
 
 @objc(GraphicContext)
-class GraphicContext: NSManagedObject {
+final class GraphicContext: NSManagedObject {
     @NSManaged var id: UUID
     @NSManaged var canvas: Canvas?
     @NSManaged var strokes: NSMutableOrderedSet

Memola/Canvas/Core/Canvas.swift

@@ -11,7 +11,7 @@ import MetalKit
 import Foundation
 
 @objc(Canvas)
-class Canvas: NSManagedObject, Identifiable {
+final class Canvas: NSManagedObject, Identifiable {
     @NSManaged var id: UUID
     @NSManaged var width: CGFloat
     @NSManaged var height: CGFloat
@@ -43,11 +43,23 @@ class Canvas: NSManagedObject, Identifiable {
 extension Canvas {
     func load() {
         state = .loading
-        graphicContext.strokes.forEach { stroke in
+        let start = Date().formatted(.dateTime.minute().second().secondFraction(.fractional(5)))
-            guard let stroke = stroke as? Stroke else { return }
+        Task(priority: .high) { [start] in
-            stroke.loadVertices()
+            await withTaskGroup(of: Void.self) { taskGroup in
+                for stroke in graphicContext.strokes {
+                    guard let stroke = stroke as? Stroke else { continue }
+                    taskGroup.addTask {
+                        stroke.loadVertices()
+                    }
+                }
+            }
+
+            let end = Date().formatted(.dateTime.minute().second().secondFraction(.fractional(5)))
+            NSLog("[Memola] - Loaded from \(start) to \(end)")
+            await MainActor.run {
+                state = .loaded
+            }
         }
-        state = .loaded
     }
 }
 

Memola/Canvas/Geometries/Primitives/Quad.swift

@@ -22,7 +22,7 @@ struct Quad: Codable {
         self.shape = shape
     }
 
-    func generateVertices(_ shape: QuadShape) -> [QuadVertex] {
+    func generateVertices() -> [QuadVertex] {
         switch shape {
         case .rounded:
             generateRoundedQuad()

Memola/Canvas/Geometries/Primitives/StrokeQuad.swift

@@ -8,7 +8,7 @@
 import MetalKit
 import Foundation
 
-class StrokeQuad: NSObject, Codable {
+final class StrokeQuad: NSObject, Codable {
     var quad: Quad
 
     init(quad: Quad) {

Memola/Canvas/Geometries/Stroke/Generators/SolidPointStrokeGenerator.swift

@@ -107,7 +107,7 @@ struct SolidPointStrokeGenerator: StrokeGenerator {
         }
         let quad = Quad(origin: point, size: stroke.thickness, color: stroke.color, rotation: rotation)
         stroke._quads.append(quad)
-        stroke.vertices.append(contentsOf: quad.generateVertices(quad.shape))
+        stroke.vertices.append(contentsOf: quad.generateVertices())
         stroke.vertexCount = stroke.vertices.endIndex
     }
 
@@ -116,7 +116,7 @@ struct SolidPointStrokeGenerator: StrokeGenerator {
         let factor: CGFloat
         switch configuration.granularity {
         case .automatic:
-            factor = min(3.5, 1 / (stroke.thickness * 10 / 300))
+            factor = min(3.5, 1 / (stroke.thickness * 1 / 10))
         case .fixed:
             factor = 1 / (stroke.thickness * stroke.penStyle.anyPenStyle.stepRate)
         case .none:

Memola/Canvas/Geometries/Stroke/Stroke.swift

@@ -10,7 +10,7 @@ import CoreData
 import Foundation
 
 @objc(Stroke)
-class Stroke: NSManagedObject {
+final class Stroke: NSManagedObject {
     @NSManaged var id: UUID
     @NSManaged var color: [CGFloat]
     @NSManaged var style: Int16
@@ -56,11 +56,12 @@ class Stroke: NSManagedObject {
     func finish(at point: CGPoint) {
         penStyle.anyPenStyle.generator.finish(at: point, on: self)
         keyPoints.removeAll()
+        NSLog("[Memola] - \(_quads.count) quads")
     }
 
     func loadVertices() {
         vertices = strokeQuads
-            .flatMap { $0.quad.generateVertices($0.quad.shape) }
+            .flatMap { $0.quad.generateVertices() }
         vertexCount = vertices.endIndex
     }
 

Memola/Canvas/View/Bridge/ViewController/CanvasViewController.swift

@@ -58,6 +58,11 @@ class CanvasViewController: UIViewController {
         renderView.draw()
         drawingView.enableUserInteraction()
     }
+
+    override func viewDidDisappear(_ animated: Bool) {
+        super.viewDidDisappear(animated)
+        Persistence.shared.viewContext.refresh(canvas, mergeChanges: false)
+    }
 }
 
 extension CanvasViewController {

Memola/Features/Memo/Memo.swift

@@ -9,7 +9,7 @@ import CoreData
 import Foundation
 
 @objc(Memo)
-class Memo: NSManagedObject {
+final class Memo: NSManagedObject {
     @NSManaged var id: UUID
     @NSManaged var title: String
     @NSManaged var data: Data

Memola/Features/Memos/MemosView.swift

@@ -31,9 +31,6 @@ struct MemosView: View {
         }
         .fullScreenCover(item: $memo) { memo in
             MemoView(canvas: memo.canvas)
-                .onDisappear {
-                    managedObjectContext.refreshAllObjects()
-                }
         }
     }