`set_variations` seemingly broken for certain fonts about uharfbuzz HOT 7 CLOSED

First order of business is to see if this reproduces using hb-view.

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Ah! Sorry, should’ve checked that to begin with.

hb-view seems to render everything correctly.

For instance, here’s Vinila as rendered by hb-view:

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Not totally sure it’s relevant but seems worth mentioning — I was looking at the ttx of the fonts mentioned above in the original post, and it appears all the non-functioning variable fonts lack HVAR tables, while all the functioning fonts do have HVAR tables.

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Ah, right. In hb-ot-font (ie. when NOT using FreeType font functions) we don't use gvar, so font is required to have HVAR. While the spec says HVAR is optional, I take it as defacto required. We will one day implement gvar. Not that far in the future actually, later this year.

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Good to hear! Is there any chance of including the hb_ft_* functions in uharfbuzz or is that out of scope for uharfbuzz?

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It's one function call. I don't see why not. @anthrotype

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all seems fixed in the 0.6.0 release!

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