Init

.github/workflows/swift.yml

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+# This workflow will build a Swift project
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-swift
+
+name: Swift
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["main"]
+
+jobs:
+  macos:
+    runs-on: macos-15
+
+    steps:
+      - uses: maxim-lobanov/setup-xcode@v1
+        with:
+          xcode-version: "16.1.0"
+
+      - uses: actions/checkout@v3
+
+      - name: Setup Skia
+        run: swift package plugin --allow-writing-to-package-directory --allow-network-connections all setup-skia
+
+      - name: Build
+        run: swift build
+
+      - name: Run tests
+        run: swift test
+
+  windows:
+    # runs-on: [self-hosted, Windows]
+    runs-on: windows-latest
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: SwiftyLab/setup-swift@latest
+        with:
+          swift-version: https://download.swift.org/development/windows10/swift-DEVELOPMENT-SNAPSHOT-2024-10-25-a/swift-DEVELOPMENT-SNAPSHOT-2024-10-25-a-windows10.exe
+          development: true
+
+      - name: Get swift version
+        run: swift --version
+
+      - name: Setup Skia
+        run: swift package plugin --allow-writing-to-package-directory --allow-network-connections all setup-skia
+
+      - name: Build
+        run: swift build
+
+      # - name: Run tests
+      #   run: swift test
+
+  linux:
+    runs-on: ubuntu-24.04
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install dependencies
+        run: sudo apt-get update && sudo apt-get install -y ninja-build pkg-config libasound2-dev libpulse-dev libaudio-dev libjack-dev libsndio-dev libusb-1.0-0-dev libx11-dev libxext-dev libxrandr-dev libxcursor-dev libxfixes-dev libxi-dev libxss-dev libwayland-dev libxkbcommon-dev libdrm-dev libgbm-dev libgl1-mesa-dev libgles2-mesa-dev libegl1-mesa-dev libdbus-1-dev libibus-1.0-dev libudev-dev fcitx-libs-dev libunwind-dev libpipewire-0.3-dev libdecor-0-dev libfontconfig-dev
+
+      - uses: SwiftyLab/setup-swift@latest
+
+      - name: Get swift version
+        run: swift --version
+
+      - name: Setup Skia
+        run: swift package plugin --allow-writing-to-package-directory --allow-network-connections all setup-skia
+
+      - name: Build
+        run: swift build
+
+      # - name: Run tests
+      #   run: swift test

.gitignore

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+.DS_Store
+/.build
+/Packages
+/*.xcodeproj
+xcuserdata/
+DerivedData/
+.swiftpm/config/registries.json
+.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata
+.netrc
+.vscode
+.shaft

.swift-format

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+{
+    "version": 1,
+    "lineLength": 100,
+    "indentation": {
+        "spaces": 4
+    },
+    "maximumBlankLines": 1,
+    "respectsExistingLineBreaks": true,
+    "lineBreakBeforeControlFlowKeywords": false,
+    "lineBreakBeforeEachArgument": true
+}

LICENSE

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+Copyright 2014 The Flutter Authors. 
+Copyright 2024 The Shaft Authors.
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above
+      copyright notice, this list of conditions and the following
+      disclaimer in the documentation and/or other materials provided
+      with the distribution.
+    * Neither the name of Google Inc. nor the names of its
+      contributors may be used to endorse or promote products derived
+      from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Package.resolved

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+{
+  "pins" : [
+    {
+      "identity" : "csprogress",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/gregcotten/CSProgress",
+      "state" : {
+        "revision" : "b831bb234a8a2af02ccc04d6e91a62f7dabb7de4",
+        "version" : "0.0.1"
+      }
+    },
+    {
+      "identity" : "rainbow",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/onevcat/Rainbow",
+      "state" : {
+        "revision" : "e0dada9cd44e3fa7ec3b867e49a8ddbf543e3df3",
+        "version" : "4.0.1"
+      }
+    },
+    {
+      "identity" : "splash",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/ShaftUI/Splash",
+      "state" : {
+        "branch" : "master",
+        "revision" : "ed08785980b61de9b98306434410ce7fc10572ea"
+      }
+    },
+    {
+      "identity" : "swift-collections",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-collections",
+      "state" : {
+        "revision" : "d029d9d39c87bed85b1c50adee7c41795261a192",
+        "version" : "1.0.6"
+      }
+    },
+    {
+      "identity" : "swift-system",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-system",
+      "state" : {
+        "revision" : "c8a44d836fe7913603e246acab7c528c2e780168",
+        "version" : "1.4.0"
+      }
+    },
+    {
+      "identity" : "swiftmath",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/ShaftUI/SwiftMath",
+      "state" : {
+        "revision" : "034d9010448694872655731129a7599bb27d5b01",
+        "version" : "3.3.2"
+      }
+    },
+    {
+      "identity" : "swiftsdl3",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/ShaftUI/SwiftSDL3",
+      "state" : {
+        "branch" : "main",
+        "revision" : "a56a797f584de4e4cf3470f2e2dbf2e7fba6edf0"
+      }
+    },
+    {
+      "identity" : "zipfoundationmodern",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/gregcotten/ZIPFoundationModern",
+      "state" : {
+        "revision" : "97755f1b1217dc2aa1ca9219630c1ba450519313",
+        "version" : "0.0.3"
+      }
+    }
+  ],
+  "version" : 2
+}

Package.swift

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+// swift-tools-version: 5.9
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import Foundation
+import PackageDescription
+
+let package = Package(
+    name: "Shaft",
+
+    platforms: [
+        .macOS(.v14),
+        .iOS(.v13),
+        .tvOS(.v13),
+    ],
+
+    products: [
+        .executable(name: "Playground", targets: ["Playground"]),
+        .library(name: "Shaft", targets: ["Shaft"]),
+        .plugin(name: "CSkiaSetupPlugin", targets: ["CSkiaSetupPlugin"]),
+    ],
+
+    dependencies: [
+        .package(
+            url: "https://github.com/ShaftUI/SwiftMath",
+            .upToNextMajor(from: "3.3.2")
+        ),
+        .package(
+            url: "https://github.com/ShaftUI/SwiftSDL3",
+            // .upToNextMinor(from: "0.0.4")
+            branch: "main"
+        ),
+        .package(
+            url: "https://github.com/onevcat/Rainbow",
+            .upToNextMajor(from: "4.0.0")
+        ),
+        .package(
+            url: "https://github.com/apple/swift-collections",
+            .upToNextMinor(from: "1.0.0")  // or `.upToNextMajor
+        ),
+        .package(
+            url: "https://github.com/gregcotten/ZIPFoundationModern",
+            .upToNextMajor(from: "0.0.1")
+        ),
+        .package(
+            url: "https://github.com/ShaftUI/Splash",
+            branch: "master"
+        ),
+    ],
+
+    targets: [
+        .executableTarget(
+            name: "Playground",
+            dependencies: [
+                "CSkia",
+                "SwiftMath",
+                "Shaft",
+                "ShaftCodeHighlight",
+            ],
+            swiftSettings: [
+                .interoperabilityMode(.Cxx)
+            ]
+        ),
+
+        .target(
+            name: "CSkia",
+            sources: [
+                "utils.cpp"
+            ],
+            publicHeadersPath: ".",
+            cxxSettings: [
+                .define("SK_FONTMGR_FONTCONFIG_AVAILABLE", .when(platforms: [.linux]))
+            ],
+            linkerSettings: [
+                .linkedLibrary("d3d12", .when(platforms: [.windows])),
+                .linkedLibrary("d3dcompiler", .when(platforms: [.windows])),
+                .linkedLibrary("openGL32", .when(platforms: [.windows])),
+                .linkedLibrary("stdc++", .when(platforms: [.windows])),
+                .linkedLibrary("dxgi", .when(platforms: [.windows])),
+
+                .linkedFramework("CoreGraphics", .when(platforms: [.macOS])),
+                .linkedFramework("CoreText", .when(platforms: [.macOS])),
+                .linkedFramework("CoreFoundation", .when(platforms: [.macOS])),
+                .linkedFramework("Metal", .when(platforms: [.macOS])),
+
+                .linkedLibrary("fontconfig", .when(platforms: [.linux])),
+                .linkedLibrary("freetype", .when(platforms: [.linux])),
+                .linkedLibrary("GL", .when(platforms: [.linux])),
+                .linkedLibrary("GLX", .when(platforms: [.linux])),
+                .linkedLibrary("wayland-client", .when(platforms: [.linux])),
+
+                .unsafeFlags(["-L.shaft/skia"]),
+            ]
+        ),
+
+        .target(
+            name: "CSkiaResource",
+            resources: [
+                .copy("icudtl.dat")
+            ]
+        ),
+
+        .plugin(
+            name: "CSkiaSetupPlugin",
+            capability: .command(
+                intent: .custom(verb: "setup-skia", description: "Download prebuilt Skia binaries"),
+                permissions: [
+                    .allowNetworkConnections(
+                        scope: .all(),
+                        reason: "To download the Skia binaries"
+                    ),
+                    .writeToPackageDirectory(reason: "To extract the Skia binaries"),
+                ]
+            ),
+            dependencies: [
+                "CSkiaSetup"
+            ]
+        ),
+
+        .executableTarget(
+            name: "CSkiaSetup",
+            dependencies: [
+                .product(name: "ZIPFoundation", package: "zipfoundationmodern")
+            ]
+        ),
+
+        .target(
+            name: "Shaft",
+            dependencies: [
+                "SwiftMath",
+                "CSkia",
+                "CSkiaResource",
+                "Rainbow",
+                "SwiftSDL3",
+                .product(name: "Collections", package: "swift-collections"),
+            ],
+            swiftSettings: [.interoperabilityMode(.Cxx)]
+        ),
+
+        .target(
+            name: "ShaftCodeHighlight",
+            dependencies: [
+                "Splash",
+                "Shaft",
+            ],
+            swiftSettings: [.interoperabilityMode(.Cxx)]
+        ),
+
+        .testTarget(
+            name: "ShaftTests",
+            dependencies: ["Shaft"],
+            swiftSettings: [
+                .interoperabilityMode(.Cxx)
+            ]
+        ),
+    ],
+    cxxLanguageStandard: .cxx17
+)

Plugins/CSkiaSetupPlugin/main.swift

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+import Foundation
+import PackagePlugin
+
+@main
+struct CSkiaSetupPlugin: CommandPlugin {
+
+    func performCommand(
+        context: PluginContext,
+        arguments: [String]
+    ) async throws {
+        print("Setting up Skia")
+
+        let tool = try context.tool(named: "CSkiaSetup")
+        let process = Process()
+        process.executableURL = URL(fileURLWithPath: tool.path.string)
+        process.arguments = [context.package.directory.string]
+
+        // let the process inherit stdout and stderr
+        // process.standardOutput = FileHandle.standardOutput
+        // process.standardError = FileHandle.standardError
+
+        try process.run()
+    }
+}