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alphaSkia

alphaSkia is a special cross platform Skia wrapper used in alphaTab it aims to provide a HTML5 Canvas like API to alphaTab providing a consistent rendering experience across the alphaTab flavours like web, .net and Kotlin. Differences across operating systems might still apply.

Versioning

alphaSkia a slightly adapted Semantic Versioning scheme where the PATCH part indicates the Skia milestone version we have integrated.

Currently we are on Skia m120

Given a version number MAJOR.MINOR.SKIA:

  1. MAJOR is incremented when we make incompatible API changes.
  2. MINOR is incremented when we add functionality in a backward compatible manner
  3. SKIA is aligned with the Skia milestone we have integrated. See here and here

The prerelease labels and tags we use:

  • Pre-Release versions for builds which are in-development
    • SemVer: -alpha.<build counter> (NuGet and NPM)
    • NPM Tag: alpha
    • Maven: -SNAPSHOT
  • Local Builds (not published anywhere)
    • SemVer: -local
    • Maven: -LOCAL

Supported platforms

Target .net Java Node.js
win-x64 ✅ ✅ ✅
win-x86 ✅ ✅ ✅
win-arm64 ✅ ✅ ✅
linux-x64 ✅ ✅ ✅
linux-x86 ✅ ✅ ✅
linux-arm ✅ ✅ ✅
linux-arm64 ✅ ✅ ✅
macos-x64 ✅ ✅ ✅
macos-arm64 ✅ ✅ ✅
android-x64 ✅ ✅
android-x86 ✅ ✅
android-arm ✅ ✅
android-arm64 ✅ ✅
ios-arm64 ✅
iossimulator-x64 ✅
iossimulator-arm64 ✅

We don't have a full automatic test matrix for all packages and platforms. If you encounter any platform problems please report them in this repository.

Credits

A big Thank you to the following projects giving me good insights on how to build Skia in a cross platform fashion. These projects influenced heavily how the pipelines of alphaSkia are organized.