[HarfBuzz] persian numerals

[Ebrahim Byagowi]

hb doesn't support that (at least AFAIK) but you can use some custom and
edited font that language tag would have such effect on text.

> [...] some softwares would not recognize ۲۳٫۴۵ as a number

I think this post
<https://groups.google.com/forum/#%21msg/persian-computing/ldwiUDAlyFM/bmRSGtNNiJoJ>
(from one of Unicode committee members
<http://www.unicode.org/consortium/edcom.html>) also answers yours.

On Tue, Sep 13, 2016 at 6:47 PM, Eduardo Castiñeyra <
eduardo at brainstorm3d.com> wrote:

> Hi Ebrahim,
>
> My problem is not how to change the numerals but when. For instance
> LibreOffice seems to be based on the context whereas MS Word detects the
> selected keyboard layout and takes that as the locale.
>
> Given that I'm using the "hb_language_from_script"feature I was wondering
> whether it could deal with the locales as well.
>
> But you are right. I was expecting not to have to solve this problem at
> all because it should be the input method the one that should deal with
> that. Now I realice if the input method fixed the problem, some softwares
> would not recognize ۲۳٫۴۵ as a number.
>
> I will just set the locale of the script of the latest non-numeral
> character. I hope that works.
>
> Thanks, and sorry for the off-topic!
>
> Eduardo.
>
> On 9/12/2016 7:55 PM, Ebrahim Byagowi wrote:
>
> You should resolve this on a level upper than hb as this is not just about
> digits, but thousand and fraction separator also should be replaced with
> their counterpart signs on different languages which sometimes needs some
> context aware replaces (and on some locales, you should switch dot with
> comma at once for getting correct result). If you have control on number to
> string conversion itself, it is better to ICU for this task, for example,
> if you press (23.45).toLocaleString('fa') on Chrome or Firefox JavaScript
> console, you will get ۲۳٫۴۵ which is provided by ICU for JavaScript.
>
> On Mon, Sep 12, 2016 at 9:25 PM, Sascha Brawer <sascha at google.com> wrote:
>
>> Which font are you using?
>>
>> — Sascha
>>
>> On Mon, Sep 12, 2016 at 6:09 PM, Eduardo Castiñeyra <
>> eduardo at brainstorm3d.com> wrote:
>>
>>> Hi,
>>>
>>> Can hb be configured to automatically replace the numerals according to
>>> the language of the paragraph ?
>>>
>>> I'm not sure how to address this.
>>>
>>> Thanks!
>>>
>>> _______________________________________________
>>> HarfBuzz mailing list
>>> HarfBuzz at lists.freedesktop.org
>>> https://lists.freedesktop.org/mailman/listinfo/harfbuzz
>>>
>>
>>
>>
>> --
>> — Sascha
>>
>>
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>>
>
>
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