[Fontconfig] How can I get font list for specific language?

[Deokjin Kim]

Hello Akira,

Thank you for your advice.

Main issue is that my japanese font file doesn't have "ja".
Below is lang info of japanese font file.
      lang=bg|fj|ho|ia|ie|io|kum|nr|om|os|ru|sel|so|ss|st|sw|ts|uz|xh|zu|kj|kwm|ms|ng|rn|rw|sn|za
So I can't find japanese font using lang info("ja") of font file.

Maybe other two-character specify japanese font file?
Or my japanese font file has wrong lang info?

Best Regards,
Deokjin Kim
------- Original Message -------
Sender : Akira TAGOH<akira at tagoh.org>
Date : 2012-03-16 16:46 (GMT+09:00)
Title : Re: [Fontconfig] How can I get font list for specific language?

On Fri, Mar 16, 2012 at 4:06 PM, Deokjin Kim wrote:
> Hello,
>
> I want to get font list for specific language.
>
> As I know, font file(*.ttf) has lang info. Below is example.
>      lang=bg|ko|kum|os|ru|sel
> What's the meaning of above info?
>      bg ==> BULGARIAN
>      ko ==> KOREAN
>      kum ==> ??
>      os ==> ??
>      ru ==> RUSSIAN
>      sel ==> ??
> Is it right infomation?

bg is Bulgarian, ko is Korean, kum is Kumyk, os is Ossetian, ru is
Russian, sel is Selkup.

> I can get lang info(lang=bg|ko|kum|os|ru|sel) using modification of fc-list.c, but I don't know exact meaning.
> Actually above font file is for korean. But it has not only "ko", but also "bg", "ru" ....
>
> Font file has wrong lang info? Otherwise, my approach is not good?

That would means that font has glyphs those orthography files contains.

> If you know proper approach, please let me know.

I think you need to add the lang into your pattern like:

FcPatternAddString(pat, FC_LANG, "ko");

-- 
Akira TAGOH