[MPEG-OTSPEC] Future of OT-SVG (Re: Scheduling Zoom meeting to discuss new proposals and AHG recommendations)

[Hin-Tak Leung]

 Dear Toshiya Kun,
AFAIK, skia milestones and Google chrome versioning are in sync, and the OT-SVG support is in m103, and right next to and after the COLRv1 code too - the skia source code is full of
If glyphcontext == colrv0      do stuffA else if glyphcontext = colrv1     do stuffBelse if glyhcontext = SVG      do stuffC
And I also checked that the COLRv1 code is introduced in m98.
Yes, I read the chromium issue 306078 issue last night, it is 10 years old. The most recent response from Google folks about "won't fix" is before m103.
I think Google folks did the work in 2022 but chose to leave it somewhat disabled/crippled. It looks like it should be able to load OT-SVG font with freetype. If you have a lot of OT-SVG fonts on your hard disk and you are on linux, I would consider putting them under ~/.fonts (the personal fontconfig location) and write a custom Web page to try to display them.
Anyway, with my recent work, any application that uses freetype just needs to copy two new files plus adding one line of code to enable OT-SVG support (plus the rest of skia) so there is no excuse not to...
It is certainly glaring for a 10-years-old issue full of comments.
Hin-Tak
    On Friday, 14 July 2023 at 02:43:44 BST, suzuki toshiya <mpsuzuki at hiroshima-u.ac.jp> wrote:  
 
 Dear Hin-Tak,

The Google Chrome m103, the web browser released on the late 2022-06
( https://chromium.googlesource.com/chromium/src/+log/103.0.5060.53..103.0.5060.66?pretty=fuller&n=10000 ),
supported OT-SVG?

According to https://bugs.chromium.org/p/chromium/issues/detail?id=306078 ,
a feature request for OT-SVG support was closed as "wont fix" on 2021.

My Google Chrome 114 reports "OpenType-SVG is not supported" on
https://pixelambacht.nl/chromacheck/ , it sounds consistent with the
status of this feature request.

However, although this feature request was closed, some people still post
some comments.

Regards,
mpsuzuki

On 2023/07/14 1:59, Hin-Tak Leung wrote:
> I see the future of OT-SVG as falling into half-half. There are technical/implementation details, but also overall strategies and decisions from stakeholders. One glaring(?) aspect is certainly that Google's  chrome team supports COLRv1 (not yet a OFF spec) in m98, earlier than OT-SVG (in 4th edition in 2019) in chrome m103...
  
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