Profile image generator.

Project SF/Models/ImageStore.swift

@@ -0,0 +1,28 @@
+//
+//  ImageStore.swift
+//  Project SF
+//
+//  Created by Roman Esin on 18.07.2020.
+//
+
+import UIKit
+
+// TODO: Finish this thing...
+@propertyWrapper
+struct ImageStore {
+    var key: String
+    var storage = UserDefaults.standard
+
+    var wrappedValue: UIImage? {
+        get {
+            guard let data = storage.value(forKey: key) as? Data else { return nil }
+            return UIImage(data: data)
+        }
+        set { storage.setValue(newValue?.pngData(), forKey: key) }
+    }
+
+    init(_ key: String, wrappedValue: UIImage) {
+        self.key = key
+        self.wrappedValue = wrappedValue
+    }
+}

Project SF/Models/Pixel.swift

@@ -0,0 +1,81 @@
+//
+//  Pixel.swift
+//  Project SF
+//
+//  Created by Roman Esin on 16.07.2020.
+//
+
+import SwiftUI
+
+// swiftlint:disable identifier_name
+struct Pixel {
+    var a: UInt8
+    var r: UInt8
+    var g: UInt8
+    var b: UInt8
+}
+
+class PixelImage {
+    var width: Int
+    var height: Int
+    var pixels: [Pixel]
+
+    static func random(width: Int, height: Int) -> PixelImage {
+        var pixels: [Pixel] = []
+        for _ in 0..<(width * height) {
+            pixels.append(Pixel(a: 255,
+                                r: .random(in: 0...255),
+                                g: .random(in: 0...255),
+                                b: .random(in: 0...255)))
+        }
+        return PixelImage(width: width, height: height, pixels: pixels)
+    }
+
+    /// Returns random symmetrixal `PixelImage` with given size.
+    /// - Parameters:
+    ///   - width: Width of the image.
+    ///   - height: Height of the image.
+    /// - Returns: Random symmetrixal `PixelImage` with given size.
+    static func randomSymmetrical(color: Color, width: Int, height: Int) -> PixelImage {
+        var pixels: [Pixel] = []
+        let clear = Pixel(a: 0,
+                          r: 0,
+                          g: 0,
+                          b: 0)
+
+        let uiColor = UIColor(color)
+        var a: CGFloat = 0
+        var r: CGFloat = 0
+        var g: CGFloat = 0
+        var b: CGFloat = 0
+        uiColor.getRed(&r, green: &g, blue: &b, alpha: &a)
+
+        let color = Pixel(a: 255,
+                          r: UInt8(r * 255),
+                          g: UInt8(g * 255),
+                          b: UInt8(b * 255))
+
+        var slice: [Pixel] = []
+        let num = width % 2
+        for _ in 0..<height {
+            loop: for j in 0..<width {
+                if j - num == width / 2 {
+                    pixels.append(contentsOf: slice[..<(slice.count - num)].reversed())
+                    slice = []
+                    break loop
+                } else {
+                    let color = Bool.random() ? clear : color
+                    pixels.append(color)
+                    slice.append(color)
+                }
+            }
+        }
+        return PixelImage(width: width, height: height, pixels: pixels)
+    }
+
+    init(width: Int, height: Int, pixels: [Pixel]) {
+        self.width = width
+        self.height = height
+        self.pixels = pixels
+    }
+}

Project SF/Utilities/Extensions/UIImage+PixelData.swift

@@ -0,0 +1,36 @@
+//
+//  UIImage+PixelData.swift
+//  Project SF
+//
+//  Created by Roman Esin on 16.07.2020.
+//
+
+import UIKit
+
+extension UIImage {
+    convenience init?(pixelImage: PixelImage) {
+        let width = pixelImage.width
+        let height = pixelImage.height
+        let pixels = pixelImage.pixels
+
+        guard width > 0 && height > 0, pixels.count == width * height else { return nil }
+        var data = pixels
+        guard let providerRef = CGDataProvider(data: Data(bytes: &data,
+                                                          count: data.count * MemoryLayout<Pixel>.size) as CFData)
+        else { return nil }
+        guard let cgim = CGImage(
+                width: width,
+                height: height,
+                bitsPerComponent: 8,
+                bitsPerPixel: 32,
+                bytesPerRow: width * MemoryLayout<Pixel>.size,
+                space: CGColorSpaceCreateDeviceRGB(),
+                bitmapInfo: CGBitmapInfo(rawValue: CGImageAlphaInfo.premultipliedFirst.rawValue),
+                provider: providerRef,
+                decode: nil,
+                shouldInterpolate: false,
+                intent: .defaultIntent)
+        else { return nil }
+        self.init(cgImage: cgim)
+    }
+}

Project SF/Views/NavigationBarLabel.swift

@@ -63,6 +63,34 @@ struct NavigationLabel<Destination: View>: View {
     }
 }
 
+struct NavigationBarButton: View {
+
+    let title: String?
+    let systemName: String
+    let action: () -> Void
+
+    var body: some View {
+        Button(
+            action: action,
+            label: {
+                if let title = title {
+                    Label(title, systemImage: systemName)
+                        .font(.title2)
+                } else {
+                    Image(systemName: systemName)
+                        .font(.title2)
+                }
+            }
+        )
+    }
+
+    init(title: String? = nil, systemName: String, action: @escaping () -> Void) {
+        self.title = title
+        self.systemName = systemName
+        self.action = action
+    }
+}
+
 struct NavigationButton: View {
 
     let title: String? = nil

Project SF/Views/Tabs/Competitions/CompetitionCell.swift

@@ -62,7 +62,7 @@ struct CompetitionCell: View {
 struct CompetitionCell_Previews: PreviewProvider {
 
     static var previews: some View {
-        var competitions: [Competition] = [
+        let competitions: [Competition] = [
             Competition(
                 name: "Competition1",
                 startDate: Date() - 100000,

Project SF/Views/Tabs/Competitions/CompetitionDetailView.swift

@@ -18,6 +18,16 @@ struct CompetitionDetailView: View {
 
 struct CompetitionDetailView_Previews: PreviewProvider {
     static var previews: some View {
-        CompetitionDetailView(competition: Competition(name: "Competition Name", startDate: Date(), endDate: Date() + 123))
+        CompetitionDetailView(competition: Competition(
+            name: "Competition2",
+            startDate: Date(),
+            endDate: Date() + 1000000,
+            creatingUser: CompetingPerson(name: "Me", points: 5500),
+            people: [
+                CompetingPerson(name: "Person1", points: 5000),
+                CompetingPerson(name: "Person2", points: 200),
+                CompetingPerson(name: "Person3", points: 500)
+            ]
+        ))
     }
 }

Project SF/Views/Tabs/Profile/Settings/ProfileImageCreator.swift

@@ -0,0 +1,72 @@
+//
+//  ProfileImageCreator.swift
+//  Project SF
+//
+//  Created by Roman Esin on 16.07.2020.
+//
+
+import SwiftUI
+
+struct ProfileImageCreator: View {
+
+    @Environment(\.presentationMode) var presentationMode
+    @Binding var image: UIImage?
+    @Binding var color: Color
+
+    var body: some View {
+        NavigationView {
+            VStack {
+                if let image = image {
+                    Image(uiImage: image)
+                        .interpolation(.none)
+                        .renderingMode(.template)
+                        .resizable()
+                        .aspectRatio(contentMode: .fill)
+                        .frame(width: 200, height: 200)
+                        .clipShape(Circle())
+                        .foregroundColor(color)
+
+                    GroupBox {
+                        ColorPicker("Select foreground color", selection: $color, supportsOpacity: false)
+                    }
+                    .padding(.top)
+                }
+                RoundedButton("Generate image") {
+                    withAnimation {
+                        image = UIImage(pixelImage: .randomSymmetrical(color: .white, width: 7, height: 7))
+                    }
+                }
+                .padding(.top)
+            }
+            .padding(.horizontal)
+            .navigationTitle("Profile Image Creator")
+        }
+        .onDisappear {
+            if image == nil {
+                color = .clear
+            }
+        }
+    }
+
+    init(_ image: Binding<UIImage?>, color: Binding<Color>) {
+        DispatchQueue.main.async {
+            var shouldRemoveImage = false
+            if color.wrappedValue == .clear {
+                color.wrappedValue = .black
+                shouldRemoveImage = true
+            }
+            if image.wrappedValue != nil && shouldRemoveImage {
+                image.wrappedValue = nil
+            }
+        }
+        _image = image
+        _color = color
+    }
+}
+
+struct ProfileImageCreator_Previews: PreviewProvider {
+    static var previews: some View {
+        ProfileImageCreator(.constant(UIImage(pixelImage: .randomSymmetrical(color: .red, width: 10, height: 10))),
+                            color: .constant(Color.red))
+    }
+}

Project SF/Views/Tabs/Profile/Settings/ProfileSettings.swift

@@ -16,30 +16,45 @@ struct ProfileSettings: View {
     @StateObject var keyboard = KeyboardManager()
 
     @State var profilePicture: UIImage?
-    @State var showImageSelectionView = false
+    @State var color = Color.clear
+
+    @State var showSheet = false
+    @State var selectedSheet = 0
+    @State var showSelectAlert = false
 
     var body: some View {
         // This VStack and empty text is required to fix the navigation title glitching out on scroll
         // so ScrollView isn't the topmost view.
         NavScrollView {
             Button(action: {
-                showImageSelectionView = true
-            }, label: {
+//                profilePicture = UIImage(pixelImage: .randomSymmetrical(width: 6, height: 6))
+                showSelectAlert = true
+            }) {
                 if profilePicture == nil {
                     Image(systemName: "person.crop.circle.badge.plus")
                         .resizable()
                         .aspectRatio(contentMode: .fit)
                         .frame(width: 100, height: 100)
                 } else {
-                    Image(uiImage: profilePicture!)
-                        .renderingMode(.original)
-                        .resizable()
-                        .aspectRatio(contentMode: .fill)
-                        .frame(width: 100, height: 100)
-                        .clipShape(Circle())
+                    if color != .clear {
+                        Image(uiImage: profilePicture!)
+                            .interpolation(.none)
+                            .renderingMode(.template)
+                            .resizable()
+                            .aspectRatio(contentMode: .fill)
+                            .frame(width: 100, height: 100)
+                            .clipShape(Circle())
+                            .foregroundColor(color)
+                    } else {
+                        Image(uiImage: profilePicture!)
+                            .renderingMode(.original)
+                            .resizable()
+                            .aspectRatio(contentMode: .fill)
+                            .frame(width: 100, height: 100)
+                            .clipShape(Circle())
+                    }
                 }
-            })
-            .padding(.bottom)
+            }
 
             TextField("Name", text: $name)
                 .font(.headline)
@@ -86,8 +101,29 @@ struct ProfileSettings: View {
         }
         .padding(.horizontal)
         .navigationTitle("Profile")
-        .sheet(isPresented: $showImageSelectionView) {
-            ImageSelectionView(image: $profilePicture)
+        .actionSheet(isPresented: $showSelectAlert) {
+            ActionSheet(title: Text("Select profile image"),
+                        message: nil,
+                        buttons: [
+                            .default(Text("Open profile image creator"), action: {
+                                selectedSheet = 0
+                                showSheet = true
+                            }), .default(Text("Select from image gallery"), action: {
+                                selectedSheet = 1
+                                showSheet = true
+                            }), .cancel()])
+        }
+        .onChange(of: showSheet, perform: { showSheet in
+            if !showSheet && selectedSheet == 1 {
+                color = .clear
+            }
+        })
+        .sheet(isPresented: $showSheet) {
+            if selectedSheet == 0 {
+                ProfileImageCreator($profilePicture, color: $color)
+            } else {
+                ImageSelectionView(image: $profilePicture)
+            }
         }
     }
 }

Project SF/Views/Tabs/Profile/Settings/SettingsView.swift

@@ -21,6 +21,9 @@ struct AboutFooter: View {
 }
 
 struct SettingsView: View {
+
+    @Environment(\.presentationMode) var presentationMode
+
     var body: some View {
         List {
             Section(header: Text("General")) {