Adobe XD Arabic marks assigned to base line

[fahdalfraikh]

Hello All,

There is an issue with my fonts when customers use it in Adobe Xd.
all Arabic marks assigned to base line ! ( only in Adobe Xd)

So I am sure there is something wrong with the technique I used.

lookup ccmp_arab_1 {
sub shadda-ar damma-ar by shaddaDamma-ar;
sub damma-ar shadda-ar by shaddaDamma-ar;
sub shadda-ar dammatan-ar by shaddaDammatan-ar;
sub dammatan-ar shadda-ar by shaddaDammatan-ar;
sub shadda-ar fatha-ar by shaddaFatha-ar;
sub fatha-ar shadda-ar by shaddaFatha-ar;
sub shadda-ar fathatan-ar by shaddaFathatan-ar;
sub fathatan-ar shadda-ar by shaddaFathatan-ar;
sub shadda-ar kasra-ar by shaddaKasra-ar;
sub kasra-ar shadda-ar by shaddaKasra-ar;
sub shadda-ar kasratan-ar by shaddaKasratan-ar;
sub kasratan-ar shadda-ar by shaddaKasratan-ar;
} ccmp_arab_1;

script arab;
lookup ccmp_arab_1;

Any help or suggestions please.

[mekkablue (Rainer Erich Scheichelbauer)]

What happens if you move up everything in the marks? At least so far that _top is above the baseline?

Is kerning turned off for the string in Xd? It looks like all GPOS is deactivated. That would be a bit in Xd though.

In other Adobe apps it works?

[fahdalfraikh]

Hello Rainer,

In other Adobe apps it works?
yes sure even office apps too

What happens if you move up everything in the marks?
I just try to move mark up to ascender level and down to descender level

its work fine now

But this is not a good way for mark positioning. Because in Arabic there are different levels of height. that will make mark too away from some glyphs.

[GeorgSeifert]

As far as I can see, XD can’t display Arabic properly. That you get the base glyphs to show up properly is more than I got. With a similar string and “Adobe Arabic” I get his:

The same string in TextEdit

and Indesign

XD seems to do mark position for Latin glyphs but not mark-to-mark.

the font in TextEdit

Conclusion. Don’t test and use your fonts in XD. And maybe send them a bug report.

[fahdalfraikh]

thanks Georg

So as a conclusion…
XD can’t display Arabic properly. Nothing wrong with my mark positioning technique.