Add grid, camera focus

Caps/Extensions/FileManager+Extensions.swift

@@ -0,0 +1,26 @@
+import Foundation
+
+extension FileManager {
+
+    var documentDirectory: URL {
+        try! url(
+            for: .documentDirectory,
+            in: .userDomainMask,
+            appropriateFor: nil, create: true)
+    }
+
+    private func fileSizeEnumerator(at directory: URL) -> DirectoryEnumerator? {
+        enumerator(at: directory,
+                   includingPropertiesForKeys: [.totalFileAllocatedSizeKey, .fileAllocatedSizeKey],
+                   options: []) { (_, error) -> Bool in
+            print(error)
+            return false
+        }
+    }
+
+    func directorySize(_ directory: URL) -> Int {
+        return fileSizeEnumerator(at: directory)?
+            .compactMap { $0 as? URL }
+            .reduce(0) { $0 + $1.fileSize } ?? 0
+    }
+}

Caps/Extensions/UIImage+Extensions.swift

@@ -147,3 +147,14 @@ private func saturate(_ component: UInt8) -> CGFloat {
 }
 
 extension CIImage: Logger { }
+
+
+extension UIImage {
+
+    convenience init?(at url: URL) {
+        guard let data = try? Data(contentsOf: url) else {
+            return nil
+        }
+        self.init(data: data, scale: UIScreen.main.scale)
+    }
+}

Caps/Extensions/URL+Extensions.swift

@@ -22,4 +22,14 @@ extension URL {
     var creationDate: Date? {
         return attributes?[.creationDate] as? Date
     }
+
+    var fileSizeAlt: Int? {
+        do {
+            let val = try self.resourceValues(forKeys: [.totalFileAllocatedSizeKey, .fileAllocatedSizeKey])
+            return val.totalFileAllocatedSize ?? val.fileAllocatedSize
+        } catch {
+            print(error)
+            return nil
+        }
+    }
 }

Caps/Extensions/View+Extensions.swift

@@ -0,0 +1,19 @@
+import SwiftUI
+
+extension View {
+
+    func snapshot() -> UIImage {
+        let controller = UIHostingController(rootView: self)
+        let view = controller.view
+
+        let targetSize = controller.view.intrinsicContentSize
+        view?.bounds = CGRect(origin: .zero, size: targetSize)
+        view?.backgroundColor = .clear
+
+        let renderer = UIGraphicsImageRenderer(size: targetSize)
+
+        return renderer.image { _ in
+            view?.drawHierarchy(in: controller.view.bounds, afterScreenUpdates: true)
+        }
+    }
+}