Create a WASM package (#1389)

VERSIONS.txt

@@ -49,6 +49,7 @@ SkiaSharp                                       nuget       2.80.0
 SkiaSharp.NativeAssets.Linux                    nuget       2.80.0
 SkiaSharp.NativeAssets.Linux.NoDependencies     nuget       2.80.0
 SkiaSharp.NativeAssets.NanoServer               nuget       2.80.0
+SkiaSharp.NativeAssets.WebAssembly              nuget       2.80.0
 SkiaSharp.Views                                 nuget       2.80.0
 SkiaSharp.Views.Desktop.Common                  nuget       2.80.0
 SkiaSharp.Views.Gtk2                            nuget       2.80.0

binding/SkiaSharp/SkiaSharp.csproj

@@ -46,6 +46,9 @@
     <None Include="..\..\output\native\alpinenodeps\x86\libSkiaSharp*" Link="nuget\runtimes\linuxnodeps-musl-x86\native\%(Filename)%(Extension)" />
     <None Include="..\..\output\native\alpinenodeps\arm64\libSkiaSharp*" Link="nuget\runtimes\linuxnodeps-musl-arm64\native\%(Filename)%(Extension)" />
     <None Include="..\..\output\native\alpinenodeps\arm\libSkiaSharp*" Link="nuget\runtimes\linuxnodeps-musl-arm\native\%(Filename)%(Extension)" />
+    <!-- WASM -->
+    <None Include="..\..\output\native\wasm\libSkiaSharp*" Link="nuget\build\wasm\%(Filename)%(Extension)" />
+    <None Include="nuget\build\wasm\SkiaSharp.props" Link="nuget\build\wasm\SkiaSharp.props" />
   </ItemGroup>
   <ItemGroup Condition="$(TargetFramework.StartsWith('net4'))">
     <None Include="nuget\build\net462\SkiaSharp.targets" Link="nuget\build\$(TargetFramework)\SkiaSharp.targets" />

binding/SkiaSharp/nuget/build/wasm/SkiaSharp.props

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+
+    <PropertyGroup>
+        <SkiaSharpStaticLibraryPath>$(MSBuildThisFileDirectory)libSkiaSharp.a</SkiaSharpStaticLibraryPath>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <SkiaSharpStaticLibrary Include="$(SkiaSharpStaticLibraryPath)" />
+    </ItemGroup>
+
+</Project>

build.cake

@@ -60,6 +60,7 @@ var TRACKED_NUGETS = new Dictionary<string, Version> {
     { "SkiaSharp.NativeAssets.Linux",                  new Version (1, 57, 0) },
     { "SkiaSharp.NativeAssets.Linux.NoDependencies",   new Version (1, 57, 0) },
     { "SkiaSharp.NativeAssets.NanoServer",             new Version (1, 57, 0) },
+    { "SkiaSharp.NativeAssets.WebAssembly",            new Version (1, 57, 0) },
     { "SkiaSharp.Views",                               new Version (1, 57, 0) },
     { "SkiaSharp.Views.Desktop.Common",                new Version (1, 57, 0) },
     { "SkiaSharp.Views.Gtk2",                          new Version (1, 57, 0) },

nuget/SkiaSharp.NativeAssets.WebAssembly.nuspec

@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="utf-8"?>
+<package>
+  <metadata>
+
+    <!-- package -->
+    <id>SkiaSharp.NativeAssets.WebAssembly</id>
+    <title>SkiaSharp - Native Assets for Web Assembly</title>
+    <version>1.0.0</version>
+    <description>
+SkiaSharp is a cross-platform 2D graphics API for .NET platforms based on Google's Skia Graphics Library.
+It provides a comprehensive 2D API that can be used across mobile, server and desktop models to render images.
+    </description>
+    <summary>
+SkiaSharp is a cross-platform 2D graphics API for .NET platforms that can be used across mobile, server and desktop models to render images.
+    </summary>
+    <releaseNotes>
+Please visit https://go.microsoft.com/fwlink/?linkid=868517 to view the release notes.
+    </releaseNotes>
+    <projectUrl>https://go.microsoft.com/fwlink/?linkid=868515</projectUrl>
+    <iconUrl>https://go.microsoft.com/fwlink/?linkid=2130524</iconUrl>
+    <tags>xamarin graphics ios android linux windows uwp tvos watchos macos tizen cross-platform wasm webassembly skiasharp</tags>
+
+    <!-- legal -->
+    <licenseUrl>https://go.microsoft.com/fwlink/?linkid=868514</licenseUrl>
+    <authors>Microsoft</authors>
+    <owners>Microsoft</owners>
+    <requireLicenseAcceptance>true</requireLicenseAcceptance>
+    <copyright>© Microsoft Corporation. All rights reserved.</copyright>
+
+  </metadata>
+  <files>
+
+    <!-- the build bits -->
+    <file src="build/wasm/SkiaSharp.props" target="build/netstandard1.0/SkiaSharp.NativeAssets.WebAssembly.props" />
+
+    <!-- libSkiaSharp.a and other native files -->
+    <file src="build/wasm/libSkiaSharp.a" target="build/netstandard1.0/libSkiaSharp.a" />
+
+    <!-- placeholders -->
+    <file src="_._" target="lib/netstandard1.0/_._" />
+
+    <!-- legal -->
+    <file src="LICENSE.txt" />
+    <file src="THIRD-PARTY-NOTICES.txt" /> 
+
+  </files>
+</package>

scripts/azure-pipelines.yml

@@ -349,6 +349,7 @@ stages:
             - native_win32_x64_windows
             - native_win32_arm64_windows
             - native_win32_x64_nanoserver_windows
+            - native_wasm_linux
       - template: azure-templates-bootstrapper.yml # Build Managed (macOS)
         parameters:
           name: managed_macos
@@ -367,6 +368,7 @@ stages:
             - native_tizen_windows
             - native_tvos_macos
             - native_watchos_macos
+            - native_wasm_linux
       - template: azure-templates-bootstrapper.yml # Build Managed (Linux)
         parameters:
           name: managed_linux
@@ -386,6 +388,7 @@ stages:
             - native_linux_x64_alpine_nodeps_linux
             # - native_tizen_linux
             - native_tizen_windows
+            - native_wasm_linux
 
   - stage: package
     displayName: Package NuGets