OK.
Thanks.

do you know any other small open source library can do this job?

i just want to display the vertical characters, the layout engine is to big
for me.

2010/11/6 Werner LEMBERG <w...@gnu.org>

>
> > i want to display Japanese characters in vertical mode.  in some
> > opentype font, i only can get some bracket glyphs in vertical mode
> > by gsub table such as the "MS Mincho".  i found that it seems no
> > APIs in freetype to translate the horizontal glyph to vertical mode
> > by gsub.
> >
> > does anyone can tell me how to do it?
>
> You can't do that directly.  It's not the job of FreeType.  Instead,
> you should use a higher-level library like ICU, Pango, or Qt to apply
> OpenType features to text strings.
>
>
>    Werner
>
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