init

.gitignore

@@ -0,0 +1,9 @@
+.DS_Store
+/.build
+/Packages
+/*.xcodeproj
+xcuserdata/
+DerivedData/
+.swiftpm/config/registries.json
+.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata
+.netrc

Example.swiftpm/.swiftpm/xcode/package.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

Example.swiftpm/Assets.xcassets/AccentColor.colorset/Contents.json

@@ -0,0 +1,11 @@
+{
+  "colors" : [
+    {
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Example.swiftpm/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -0,0 +1,13 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Example.swiftpm/Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Example.swiftpm/ContentView.swift

@@ -0,0 +1,13 @@
+import SwiftUI
+import ColorPicker
+
+struct ContentView: View {
+    var body: some View {
+        VStack {
+            Image(systemName: "globe")
+                .imageScale(.large)
+                .foregroundColor(.accentColor)
+            Text("Hello, world!")
+        }
+    }
+}

Example.swiftpm/MyApp.swift

@@ -0,0 +1,10 @@
+import SwiftUI
+
+@main
+struct MyApp: App {
+    var body: some Scene {
+        WindowGroup {
+            ContentView()
+        }
+    }
+}

Example.swiftpm/Package.resolved

@@ -0,0 +1,25 @@
+{
+  "object": {
+    "pins": [
+      {
+        "package": "SnapKit",
+        "repositoryURL": "https://github.com/SnapKit/SnapKit",
+        "state": {
+          "branch": null,
+          "revision": "d458564516e5676af9c70b4f4b2a9178294f1bc6",
+          "version": "5.0.1"
+        }
+      },
+      {
+        "package": "UIColorHexSwift",
+        "repositoryURL": "https://github.com/yeahdongcn/UIColor-Hex-Swift",
+        "state": {
+          "branch": null,
+          "revision": "4e0c1bc57c02fcb19c3b34ec5e6188383a95aa94",
+          "version": "5.1.8"
+        }
+      }
+    ]
+  },
+  "version": 1
+}

Example.swiftpm/Package.swift

@@ -0,0 +1,47 @@
+// swift-tools-version: 5.5
+
+// WARNING:
+// This file is automatically generated.
+// Do not edit it by hand because the contents will be replaced.
+
+import PackageDescription
+import AppleProductTypes
+
+let package = Package(
+    name: "Example",
+    platforms: [
+        .iOS("15.2")
+    ],
+    products: [
+        .iOSApplication(
+            name: "Example",
+            targets: ["AppModule"],
+            bundleIdentifier: "dev.noppe.Example",
+            teamIdentifier: "FBQ6Z8AF3U",
+            displayVersion: "1.0",
+            bundleVersion: "1",
+            iconAssetName: "AppIcon",
+            accentColorAssetName: "AccentColor",
+            supportedDeviceFamilies: [
+                .pad,
+                .phone
+            ],
+            supportedInterfaceOrientations: [
+                .portrait,
+                .landscapeRight,
+                .landscapeLeft,
+                .portraitUpsideDown(.when(deviceFamilies: [.pad]))
+            ]
+        )
+    ],
+    dependencies: [
+        .package(path: "../")
+    ],
+    targets: [
+        .executableTarget(
+            name: "AppModule",
+            dependencies: ["ColorPicker"],
+            path: "."
+        )
+    ]
+)

Package.resolved

@@ -0,0 +1,23 @@
+{
+  "pins" : [
+    {
+      "identity" : "snapkit",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/SnapKit/SnapKit",
+      "state" : {
+        "revision" : "d458564516e5676af9c70b4f4b2a9178294f1bc6",
+        "version" : "5.0.1"
+      }
+    },
+    {
+      "identity" : "uicolor-hex-swift",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/yeahdongcn/UIColor-Hex-Swift",
+      "state" : {
+        "revision" : "4e0c1bc57c02fcb19c3b34ec5e6188383a95aa94",
+        "version" : "5.1.8"
+      }
+    }
+  ],
+  "version" : 2
+}

Package.swift

@@ -0,0 +1,31 @@
+// swift-tools-version: 5.6
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "ColorPicker",
+    platforms: [.iOS(.v15)],
+    products: [
+        .library(
+            name: "ColorPicker",
+            targets: ["ColorPicker"]
+        ),
+    ],
+    dependencies: [
+        .package(url: "https://github.com/SnapKit/SnapKit", from: "5.0.1"),
+        .package(url: "https://github.com/yeahdongcn/UIColor-Hex-Swift", from: "5.1.8"),
+    ],
+    targets: [
+        .target(
+            name: "ColorPicker",
+            dependencies: [
+                "SnapKit",
+                .product(name: "UIColorHexSwift", package: "UIColor-Hex-Swift")
+            ]
+        ),
+        .testTarget(
+            name: "ColorPickerTests",
+            dependencies: ["ColorPicker"]),
+    ]
+)

README.md

@@ -0,0 +1,3 @@
+# ColorPicker
+
+A description of this package.

Sources/ColorPicker/Components/AddColorCell.swift

@@ -0,0 +1,32 @@
+import UIKit
+import SnapKit
+
+class AddColorCell: UICollectionViewCell {
+    let backgroundColorView: UIView = .init(frame: .null)
+    let imageView: UIImageView = .init(frame: .null)
+
+    override init(frame: CGRect) {
+        super.init(frame: frame)
+
+        contentView.addSubview(backgroundColorView)
+        backgroundColorView.snp.makeConstraints { make in
+            make.center.equalToSuperview()
+            make.size.equalTo(30)
+        }
+        backgroundColorView.backgroundColor = .systemGray5
+        backgroundColorView.layer.cornerRadius = 15
+
+        backgroundColorView.addSubview(imageView)
+        imageView.snp.makeConstraints { make in
+            make.center.equalToSuperview()
+            make.size.equalTo(16)
+        }
+
+        imageView.image = UIImage(systemName: "plus")
+        imageView.tintColor = .systemGray2
+    }
+
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+}

Sources/ColorPicker/Components/ColorCell.swift

@@ -0,0 +1,50 @@
+import UIKit
+
+class ColorCell: UICollectionViewCell {
+
+    override var isSelected: Bool {
+        didSet { setNeedsDisplay() }
+    }
+
+    override init(frame: CGRect) {
+        super.init(frame: frame)
+        backgroundColor = .clear
+    }
+
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+
+    override func draw(_ rect: CGRect) {
+        let context = UIGraphicsGetCurrentContext()!
+        if isSelected {
+            do { // inner ellipse
+                let size = CGSize(width: 17, height: 17)
+                context.setFillColor(tintColor.cgColor)
+                let origin = CGPoint(
+                    x: (rect.width - size.width) / 2,
+                    y: (rect.height - size.height) / 2
+                )
+                context.fillEllipse(in: CGRect(origin: origin, size: size))
+            }
+            do { // outline
+                let size = CGSize(width: 28, height: 28)
+                let origin = CGPoint(
+                    x: (rect.width - size.width) / 2,
+                    y: (rect.height - size.height) / 2
+                )
+                context.setStrokeColor(tintColor.cgColor)
+                context.setLineWidth(3)
+                context.strokeEllipse(in: CGRect(origin: origin, size: size))
+            }
+        } else {
+            let size = CGSize(width: 30, height: 30)
+            context.setFillColor(tintColor.cgColor)
+            let origin = CGPoint(
+                x: (rect.width - size.width) / 2,
+                y: (rect.height - size.height) / 2
+            )
+            context.fillEllipse(in: CGRect(origin: origin, size: size))
+        }
+    }
+}

Sources/ColorPicker/Components/HairlineView.swift

@@ -0,0 +1,21 @@
+import UIKit
+
+class HairlineView: UIVisualEffectView {
+    init() {
+        let effect = UIVibrancyEffect(
+            blurEffect: UIBlurEffect(
+                style: .systemChromeMaterial
+            ),
+            style: .separator
+        )
+        super.init(effect: effect)
+        contentView.backgroundColor = .systemBackground
+        self.snp.makeConstraints { make in
+            make.height.equalTo(1)
+        }
+    }
+
+    required init?(coder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+}

Sources/ColorPicker/Extensions/UIColor+.swift

@@ -0,0 +1,12 @@
+import UIKit
+
+extension UIColor {
+    var hsba: (hue: CGFloat, saturation: CGFloat, brightness: CGFloat, alpha: CGFloat) {
+        var hue: CGFloat = 0
+        var saturation: CGFloat = 0
+        var brightness: CGFloat = 0
+        var alpha: CGFloat = 0
+        getHue(&hue, saturation: &saturation, brightness: &brightness, alpha: &alpha)
+        return (hue, saturation, brightness, alpha)
+    }
+}