Currently, it appears that the text layout is only horizontal. Is it possible to implement vertical text layout?

[theSha1do1w]

Is your feature request related to a problem? Please describe.
I want to render vertical text.

Describe the solution you'd like
can set 'vertical' to textblob

Describe alternatives you've considered
Currently can only render character by character.

[HinTak]

I don't think vertical layout functionality is ever going to be in TextBlob, as it really belongs to skparagraph and skshaper: #225 #211 . Have a look at the upstream API in those two and see what you need, and we'll consider putting it in, in a future release.

[HinTak]

I have had a good look around, plenty of ltr, rtl textdirection references, but not ttb / btt (top to bottom, bottom to top) . Those are definitely available in harfbuzz . Had a look around skia's issue tracker also, nothing. Probably should file an issue there.

You can probably "similate" a vertical layout with skparagraph by choosing centred alignment, but it won't pick rotated quotes. I think this really belongs to libskshaper.

Oh, we do use libskshaper with Textblob.