feat: draw welcome illustration

Mastodon/Generated/Assets.swift

@@ -69,6 +69,19 @@ internal enum Asset {
     internal static let systemOrange = ColorAsset(name: "Colors/system.orange")
   }
   internal enum Welcome {
+    internal enum Illustration {
+      internal static let backgroundCyan = ColorAsset(name: "Welcome/illustration/background.cyan")
+      internal static let cloudBase = ImageAsset(name: "Welcome/illustration/cloud.base")
+      internal static let cloudFirst = ImageAsset(name: "Welcome/illustration/cloud.first")
+      internal static let cloudSecond = ImageAsset(name: "Welcome/illustration/cloud.second")
+      internal static let cloudThird = ImageAsset(name: "Welcome/illustration/cloud.third")
+      internal static let elephantFourOnGrassWithTreeTwo = ImageAsset(name: "Welcome/illustration/elephant.four.on.grass.with.tree.two")
+      internal static let elephantOnAirplaneWithContrail = ImageAsset(name: "Welcome/illustration/elephant.on.airplane.with.contrail")
+      internal static let elephantThreeOnGrass = ImageAsset(name: "Welcome/illustration/elephant.three.on.grass")
+      internal static let elephantThreeOnGrassWithTreeFour = ImageAsset(name: "Welcome/illustration/elephant.three.on.grass.with.tree.four")
+      internal static let elephantTwo = ImageAsset(name: "Welcome/illustration/elephant.two")
+      internal static let lineDashTwo = ImageAsset(name: "Welcome/illustration/line.dash.two")
+    }
     internal static let mastodonLogo = ImageAsset(name: "Welcome/mastodon.logo")
     internal static let mastodonLogoLarge = ImageAsset(name: "Welcome/mastodon.logo.large")
   }

Mastodon/Resources/Assets.xcassets/Welcome/illustration/cloud.first.imageset/Contents.json

@@ -1,7 +1,7 @@
 {
   "images" : [
     {
-      "filename" : "Untitled-1_0008_Group-3.png",
+      "filename" : "Untitled-1_0010_Group-5.png",
       "idiom" : "universal",
       "scale" : "1x"
     },

Mastodon/Resources/Assets.xcassets/Welcome/illustration/cloud.second.imageset/Contents.json

@@ -1,7 +1,7 @@
 {
   "images" : [
     {
-      "filename" : "Untitled-1_0010_Group-5.png",
+      "filename" : "Untitled-1_0009_Group-4.png",
       "idiom" : "universal",
       "scale" : "1x"
     },

Mastodon/Scene/Onboarding/Welcome/View/WelcomeIllustrationView.swift

@@ -9,6 +9,31 @@ import UIKit
 
 final class WelcomeIllustrationView: UIView {
     
+    static let artworkImageSize = CGSize(width: 870, height: 2000)
+    let artworkImageView = UIImageView()
+    
+    // layout outside
+    let elephantOnAirplaneWithContrailImageView: UIImageView = {
+        let imageView = UIImageView(image: Asset.Welcome.Illustration.elephantOnAirplaneWithContrail.image)
+        imageView.contentMode = .scaleAspectFill
+        return imageView
+    }()
+    let cloudFirstImageView: UIImageView = {
+        let imageView = UIImageView(image: Asset.Welcome.Illustration.cloudFirst.image)
+        imageView.contentMode = .scaleAspectFill
+        return imageView
+    }()
+    let cloudSecondImageView: UIImageView = {
+        let imageView = UIImageView(image: Asset.Welcome.Illustration.cloudSecond.image)
+        imageView.contentMode = .scaleAspectFill
+        return imageView
+    }()
+    let cloudThirdImageView: UIImageView = {
+        let imageView = UIImageView(image: Asset.Welcome.Illustration.cloudThird.image)
+        imageView.contentMode = .scaleAspectFill
+        return imageView
+    }()
+
     override init(frame: CGRect) {
         super.init(frame: frame)
         _init()
@@ -23,7 +48,77 @@ final class WelcomeIllustrationView: UIView {
 
 extension WelcomeIllustrationView {
     private func _init() {
+        backgroundColor = Asset.Welcome.Illustration.backgroundCyan.color
         
+        let topPaddingView = UIView()
+        
+        topPaddingView.translatesAutoresizingMaskIntoConstraints = false
+        addSubview(topPaddingView)
+        NSLayoutConstraint.activate([
+            topPaddingView.topAnchor.constraint(equalTo: topAnchor),
+            topPaddingView.leadingAnchor.constraint(equalTo: leadingAnchor),
+            topPaddingView.trailingAnchor.constraint(equalTo: trailingAnchor),
+        ])
+        
+        artworkImageView.translatesAutoresizingMaskIntoConstraints = false
+        addSubview(artworkImageView)
+        NSLayoutConstraint.activate([
+            artworkImageView.topAnchor.constraint(equalTo: topPaddingView.bottomAnchor),
+            artworkImageView.leadingAnchor.constraint(equalTo: leadingAnchor),
+            artworkImageView.trailingAnchor.constraint(equalTo: trailingAnchor),
+            artworkImageView.bottomAnchor.constraint(equalTo: bottomAnchor),
+            artworkImageView.widthAnchor.constraint(equalTo: artworkImageView.heightAnchor, multiplier: WelcomeIllustrationView.artworkImageSize.width / WelcomeIllustrationView.artworkImageSize.height),
+        ])
+    }
+    
+    override func layoutSubviews() {
+        super.layoutSubviews()
+        artworkImageView.image = WelcomeIllustrationView.bottomPartImage()
+    }
+    
+    static func bottomPartImage() -> UIImage {
+        let size = artworkImageSize
+        let width = artworkImageSize.width
+        let height = artworkImageSize.height
+        let image = UIGraphicsImageRenderer(size: size).image { context in
+            // clear background
+            UIColor.clear.setFill()
+            context.fill(CGRect(origin: .zero, size: artworkImageSize))
+            
+            // draw cloud
+            let cloudBaseImage = Asset.Welcome.Illustration.cloudBase.image
+            cloudBaseImage.draw(at: CGPoint(x: 0, y: height - cloudBaseImage.size.height))
+            
+            let elephantFourOnGrassWithTreeTwoImage = Asset.Welcome.Illustration.elephantFourOnGrassWithTreeTwo.image
+            let elephantThreeOnGrassWithTreeFourImage = Asset.Welcome.Illustration.elephantThreeOnGrassWithTreeFour.image
+            let elephantThreeOnGrassImage = Asset.Welcome.Illustration.elephantThreeOnGrass.image
+            let elephantTwoImage = Asset.Welcome.Illustration.elephantTwo.image
+            let ineDashTwoImage = Asset.Welcome.Illustration.lineDashTwo.image
+            
+             let elephantOnAirplaneWithContrailImageView = Asset.Welcome.Illustration.elephantOnAirplaneWithContrail.image
+            
+            // draw elephantFourOnGrassWithTreeTwo
+            // elephantFourOnGrassWithTreeTwo.bottomY + 40 align to elephantThreeOnGrassImage.centerY
+            elephantFourOnGrassWithTreeTwoImage.draw(at: CGPoint(x: 0, y: height - 0.5 * elephantThreeOnGrassImage.size.height - elephantFourOnGrassWithTreeTwoImage.size.height - 40))
+            
+            // draw elephantThreeOnGrassWithTreeFour
+            // elephantThreeOnGrassWithTreeFour.bottomY + 40 align to elephantThreeOnGrassImage.centerY
+            elephantThreeOnGrassWithTreeFourImage.draw(at: CGPoint(x: width - elephantThreeOnGrassWithTreeFourImage.size.width, y: height - 0.5 * elephantThreeOnGrassImage.size.height - elephantThreeOnGrassWithTreeFourImage.size.height - 40))
+                        
+            // draw elephantThreeOnGrass
+            elephantThreeOnGrassImage.draw(at: CGPoint(x: 0, y: height - elephantThreeOnGrassImage.size.height))
+            
+            // darw ineDashTwoImage
+            ineDashTwoImage.draw(at: CGPoint(x: 0.5 * elephantThreeOnGrassImage.size.width + 60, y: height - elephantThreeOnGrassImage.size.height - 50))
+            
+            // draw elephantTwo.image
+            elephantTwoImage.draw(at: CGPoint(x: 0, y: height - elephantTwoImage.size.height - 125))
+            
+            // draw elephantOnAirplaneWithContrailImageView
+             elephantOnAirplaneWithContrailImageView.draw(at: CGPoint(x: 0, y: height - cloudBaseImage.size.height - 0.5 * elephantOnAirplaneWithContrailImageView.size.height))
+        }
+        
+        return image
     }
 }
 
@@ -33,10 +128,20 @@ import SwiftUI
 struct WelcomeIllustrationView_Previews: PreviewProvider {
     
     static var previews: some View {
-        UIViewPreview(width: 375) {
+        Group {
-            WelcomeIllustrationView()
+            UIViewPreview(width: 870) {
+                WelcomeIllustrationView()
+            }
+            .previewLayout(.fixed(width: 870, height: 2000))
+            UIViewPreview(width: 375) {
+                WelcomeIllustrationView()
+            }
+            .previewLayout(.fixed(width: 375, height: 812))
+            UIViewPreview(width: 428) {
+                WelcomeIllustrationView()
+            }
+            .previewLayout(.fixed(width: 428, height: 926))
         }
-        .previewLayout(.fixed(width: 375, height: 812))
     }
     
 }

Mastodon/Scene/Onboarding/Welcome/WelcomeViewController.swift

@@ -13,6 +13,9 @@ final class WelcomeViewController: UIViewController, NeedsDependency {
     weak var context: AppContext! { willSet { precondition(!isViewLoaded) } }
     weak var coordinator: SceneCoordinator! { willSet { precondition(!isViewLoaded) } }
     
+    let welcomeIllustrationView = WelcomeIllustrationView()
+    var welcomeIllustrationViewBottomAnchorLayoutConstraint: NSLayoutConstraint!
+    
     private(set) lazy var logoImageView: UIImageView = {
         let image = view.traitCollection.userInterfaceIdiom == .phone ? Asset.Welcome.mastodonLogo.image : Asset.Welcome.mastodonLogoLarge.image
         let imageView = UIImageView(image: image)
@@ -42,7 +45,7 @@ final class WelcomeViewController: UIViewController, NeedsDependency {
         let button = UIButton(type: .system)
         button.titleLabel?.font = UIFontMetrics(forTextStyle: .headline).scaledFont(for: .systemFont(ofSize: 15, weight: .semibold))
         button.setTitle(L10n.Common.Controls.Actions.signIn, for: .normal)
-        button.setTitleColor(Asset.Colors.lightBrandBlue.color, for: .normal)
+        button.setTitleColor(UIColor.white.withAlphaComponent(0.8), for: .normal)
         button.setInsets(forContentPadding: UIEdgeInsets(top: 12, left: 0, bottom: 12, right: 0), imageTitlePadding: 0)
         button.translatesAutoresizingMaskIntoConstraints = false
         return button
@@ -60,6 +63,16 @@ extension WelcomeViewController {
         super.viewDidLoad()
         
         setupOnboardingAppearance()
+        view.backgroundColor = Asset.Welcome.Illustration.backgroundCyan.color
+        
+        welcomeIllustrationView.translatesAutoresizingMaskIntoConstraints = false
+        view.addSubview(welcomeIllustrationView)
+        welcomeIllustrationViewBottomAnchorLayoutConstraint = welcomeIllustrationView.bottomAnchor.constraint(equalTo: view.bottomAnchor)
+        NSLayoutConstraint.activate([
+            welcomeIllustrationView.leftAnchor.constraint(equalTo: view.leftAnchor),
+            welcomeIllustrationView.rightAnchor.constraint(equalTo: view.rightAnchor),
+            welcomeIllustrationViewBottomAnchorLayoutConstraint,
+        ])
         
         view.addSubview(logoImageView)
         NSLayoutConstraint.activate([
@@ -76,6 +89,19 @@ extension WelcomeViewController {
             sloganLabel.topAnchor.constraint(equalTo: logoImageView.bottomAnchor, constant: 168),
         ])
         
+        welcomeIllustrationView.cloudFirstImageView.translatesAutoresizingMaskIntoConstraints = false
+        welcomeIllustrationView.cloudSecondImageView.translatesAutoresizingMaskIntoConstraints = false
+        welcomeIllustrationView.cloudFirstImageView.translatesAutoresizingMaskIntoConstraints = false
+        
+//        welcomeIllustrationView.elephantOnAirplaneWithContrailImageView.translatesAutoresizingMaskIntoConstraints = false
+//        view.addSubview(welcomeIllustrationView.elephantOnAirplaneWithContrailImageView)
+//        NSLayoutConstraint.activate([
+//            welcomeIllustrationView.elephantOnAirplaneWithContrailImageView.leftAnchor.constraint(equalTo: view.leftAnchor),
+//            welcomeIllustrationView.elephantOnAirplaneWithContrailImageView.bottomAnchor.constraint(equalTo: sloganLabel.topAnchor),
+//        ])
+//        welcomeIllustrationView.welcomeIllustrationView.sca
+//        view.bringSubviewToFront(sloganLabel)
+        
         view.addSubview(signInButton)
         view.addSubview(signUpButton)
         NSLayoutConstraint.activate([
@@ -94,8 +120,14 @@ extension WelcomeViewController {
         signInButton.addTarget(self, action: #selector(signInButtonDidClicked(_:)), for: .touchUpInside)
     }
     
-    override var preferredStatusBarStyle: UIStatusBarStyle { return .darkContent }
+    override func viewSafeAreaInsetsDidChange() {
-    
+        super.viewSafeAreaInsetsDidChange()
+        
+        // make illustration bottom over the bleeding
+        let overlap: CGFloat = 100
+        welcomeIllustrationViewBottomAnchorLayoutConstraint.constant = overlap - view.safeAreaInsets.bottom
+    }
+        
 }
 
 extension WelcomeViewController {

Mastodon/Scene/Share/View/Container/MosaicImageViewContainer.swift

@@ -287,11 +287,11 @@ struct MosaicImageView_Previews: PreviewProvider {
             UIViewPreview(width: 375) {
                 let view = MosaicImageViewContainer()
                 let image = images[3]
-                let imageView = view.setupImageView(
+                let artworkImageView = view.setupImageView(
                     aspectRatio: image.size,
                     maxSize: CGSize(width: 375, height: 400)
                 )
-                imageView.image = image
+                artworkImageView.image = image
                 return view
             }
             .previewLayout(.fixed(width: 375, height: 400))
@@ -299,14 +299,14 @@ struct MosaicImageView_Previews: PreviewProvider {
             UIViewPreview(width: 375) {
                 let view = MosaicImageViewContainer()
                 let image = images[1]
-                let imageView = view.setupImageView(
+                let artworkImageView = view.setupImageView(
                     aspectRatio: image.size,
                     maxSize: CGSize(width: 375, height: 400)
                 )
-                imageView.layer.masksToBounds = true
+                artworkImageView.layer.masksToBounds = true
-                imageView.layer.cornerRadius = 8
+                artworkImageView.layer.cornerRadius = 8
-                imageView.contentMode = .scaleAspectFill
+                artworkImageView.contentMode = .scaleAspectFill
-                imageView.image = image
+                artworkImageView.image = image
                 return view
             }
             .previewLayout(.fixed(width: 375, height: 400))
@@ -315,8 +315,8 @@ struct MosaicImageView_Previews: PreviewProvider {
                 let view = MosaicImageViewContainer()
                 let images = self.images.prefix(2)
                 let imageViews = view.setupImageViews(count: images.count, maxHeight: 162)
-                for (i, imageView) in imageViews.enumerated() {
+                for (i, artworkImageView) in imageViews.enumerated() {
-                    imageView.image = images[i]
+                    artworkImageView.image = images[i]
                 }
                 return view
             }
@@ -326,8 +326,8 @@ struct MosaicImageView_Previews: PreviewProvider {
                 let view = MosaicImageViewContainer()
                 let images = self.images.prefix(3)
                 let imageViews = view.setupImageViews(count: images.count, maxHeight: 162)
-                for (i, imageView) in imageViews.enumerated() {
+                for (i, artworkImageView) in imageViews.enumerated() {
-                    imageView.image = images[i]
+                    artworkImageView.image = images[i]
                 }
                 return view
             }
@@ -337,8 +337,8 @@ struct MosaicImageView_Previews: PreviewProvider {
                 let view = MosaicImageViewContainer()
                 let images = self.images.prefix(4)
                 let imageViews = view.setupImageViews(count: images.count, maxHeight: 162)
-                for (i, imageView) in imageViews.enumerated() {
+                for (i, artworkImageView) in imageViews.enumerated() {
-                    imageView.image = images[i]
+                    artworkImageView.image = images[i]
                 }
                 return view
             }

Mastodon/Scene/Share/View/Content/StatusView.swift

@@ -358,8 +358,8 @@ struct StatusView_Previews: PreviewProvider {
                 statusView.updateContentWarningDisplay(isHidden: false)
                 let images = MosaicImageView_Previews.images
                 let imageViews = statusView.statusMosaicImageView.setupImageViews(count: 4, maxHeight: 162)
-                for (i, imageView) in imageViews.enumerated() {
+                for (i, artworkImageView) in imageViews.enumerated() {
-                    imageView.image = images[i]
+                    artworkImageView.image = images[i]
                 }
                 statusView.statusMosaicImageView.isHidden = false
                 return statusView