You need HarfBuzz.
On 11/06/10 04:36, 丁力 wrote:
> 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 <address@hidden <mailto:address@hidden>>
>
>
> > 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
>
>
>
>