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Re: test font with both SVG and COLR table

From: Cosimo Lupo
Subject: Re: test font with both SVG and COLR table
Date: Wed, 26 Jan 2022 15:41:58 +0000

Hi Werner and all,
please find attached a test COLRv1 + SVG font, containing only one color glyph ✍ "WRITING HAND" (U+270D) emoji.
The font was built using nanoemoji using the following command, from the root of the noto-emoji repository:

$ nanoemoji --color_format=glyf_colr_1_and_picosvg --keep_glyph_names --pretty_print --family "Noto Color Emoji COLRv1 And SVG" svg/emoji_u270d.svg

Let me know if that is what you are looking for.


On Tue, Jan 25, 2022 at 7:51 PM Werner LEMBERG <> wrote:

> Do you still need such a test font with SVG and COLR in it? I guess,
> we can make one if it's needed.

This would be still very helpful, yes.  I think it would be helpful
for for fuzzing, too.  A single glyph (besides '.notdef) would be

>> The question doesn't arise for serious `COLR` handling, as
>> described above.  In case of the convenience `COLR` rendering,
>> `SVG` takes precendence.
> I think the table preference decision should be made by the
> application, or in the FT_LoadGlyph then with flags that allow
> separate selection?

Since the convenience stuff is tagged as experimental, and Alexei has
some serious concerns I probably won't change anything right now.

> FWIW, overall, I think if a font has COLRv1 and SVG, COLRv1 should
> have preference as it enables variable capabilities.

This is up to the application; there is no issue w.r.t. precendence at


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