[MPEG-OTSPEC] Scheduling Zoom meeting to discuss new proposals and AHG recommendations

[Rod Sheeter]

Skef beat me to it :)

For context, we compiled to COLRv1+glyf, COLRv1+cff, and COLRv1+cff2
throughout the development of the COLRv1 spec to see how the file sizes
played out. CFF2 is currently the reigning champion for smallest binary for
both Noto Emoji and Twemoji. However, we currently ship glyf because WOFF2
compresses it better. IMHO this shows the value of having options, the
choice is use case specific.

Rod S.

On Fri, Jun 30, 2023 at 2:47 PM Skef Iterum <skef at skef.org> wrote:

> Just to clarify on this point, COLR v0 and v1 pull in glyph path data by
> GID, and both are thereby compatible with CFF or CFF2. I believe this is
> not just theoretical, and that existing implementations will render COLR v1
> CFF2 fonts accurately (setting aside lingering CFF2 bugs on this or that
> platform that are being worked through).
>
> Skef
> On 6/30/23 12:01, Dave Crossland wrote:
>
> We would also like to remind folks that the format has already adopted
>> CFF2 which uses cubics and can already address > 16-bit glyph indices.
>>
>
> Sadly since I see color variable fonts as the future, I am not sure where
> CFF2 and SVG-in-OT will go. Would there be a CFF3 that supports color and
> the things under discussion here, or, would cubic-in-glyf plus support for
> PS hinting be effectively CFF3?
>
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