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Cherry-pick upsteam bug fix to expose codec registration methods #132

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TomEdwardsEnscape
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Description of Change

Cherry pick of google/skia@ec70dfb

This commit exports SkCodec::Register from the library. The method accepts a C++ object so can't be easily wrapped in C#, but exposing it costs nothing and does at least enable users of SkiaSharp to register codecs by creating a native library. We want to do exactly this in our product.

SkiaSharp Issue

Fixes mono/SkiaSharp#2992

API Changes

Added:

  • SkCodec::Register
  • SKCodec::Decoder

Behavioral Changes

None.

Required SkiaSharp PR

None.

PR Checklist

  • Rebased on top of skiasharp at time of PR
  • Changes adhere to coding standard
  • Updated documentation

Without these, the various Sk*Decoder::Decode functions were not properly
being marked with SK_API and were not visible to Chromium.

Change-Id: I29b5bb630e54a26205a8f562d61929d61bc4aaec
Bug: skia:13983
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/714237
Commit-Queue: Kevin Lubick <[email protected]>
Auto-Submit: Kevin Lubick <[email protected]>
Reviewed-by: Florin Malita <[email protected]>
@TomEdwardsEnscape
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I built Skia within the context of SkiaSharp and found out that it only exposes the C API, and building with both C and C++ exports fails.

So for the purpose of SkiaSharp, a further patch would be needed to expose SkCodec::Register separately from other C++ methods. I'll keep this PR open for now.

@mattleibow
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I believe that with my bump last night to the 117 milestone, this commit is now included! Thanks for this PR, hopefully I can keep skia more up-to-date and we never need to cherry pick (unless we are ready to eat those cherries and we are in the garden).

@mattleibow
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Closing this for now as it got merged for free.

@mattleibow mattleibow closed this Oct 29, 2024
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[FEATURE] Expose API for registering new codecs
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