[HarfBuzz] hb_shape API is not working properly (for Below base R) with Myraid Devanagari font

[Jonathan Kew]

On 14/11/2018 05:54, Vijendra Singh wrote:
> Hi All,
> 
> I am using HarfBuzz 2.10 for Indic languages in my application but 
> failed to get correct substituted glyph for half “र” from hb_shape API 
> for Myriad Devanagari font even proper glyph (प्र) is available in the font.
> 
> e.g.प्रदेश () where as it should be likeप्रदेश.
> 
> It is also failing in Notepad and other MS Applications but working fine 
> in all application of MAC and Adobe applications.

This indicates there must be a difference in behavior between the 
Microsoft shaping engine (uniscribe or directwrite), and the Adobe and 
Apple engines.

HarfBuzz is designed to match Microsoft behavior, so it sounds like it 
is working as expected here.

If Myriad Devanagari fails to shape correctly in Microsoft applications, 
I think you should report this to Adobe as a bug in the font.

JK

> 
> Kindly suggest whether the issue is in hb_shape API or in the fonts or I 
> have to do something at my end to get desire result.
> 
> Thanks in advance,
> 
> Vijendra Singh
> 
> 
> 
> _______________________________________________
> HarfBuzz mailing list
> HarfBuzz at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/harfbuzz
>