Qt treat same font family as a different

Dhaval_joshi

Hello,
Below is my problem statement

Problem Statement:
I am using NotoSansSC font [OTF format] for ja-JP [Japanese] language,
As mention below
Font file:

NotoSansJP-Regular.otf
NotoSansJP-Black.otf

NOTE: Above both the font belongs to the same font family NotoSansJP.

While running the application I observed the below console log of the,

MainApplication.cpp(275) -- strCurrentLanguageja-JP
MainApplication.cpp(309) -- Installed font ID: 4 [NotoSansJP-Regular.otf]
MainApplication.cpp(309) -- Installed font ID: 5 [NotoSansJP-Black.otf]
Install Families styles: ("Black")
MainApplication.cpp(325) -- Updated Default Font :Noto Sans JP Black
installed font family------------> ("Noto Sans JP Black")

Observation:
It won't show installed font style to ("Regular", "Black")
for NotoSansJP
But if I load NotoSansJP-Regular.otf then it only shows

Install Families styles: ("Regular")
and installed font family------------> ("Noto Sans JP Regular")

The same observation observed in zh-CN [Chiness] and ko-KR [Korean] language
font file also.

Question:

Is there any way to explicitly tell Qt to treat the same font family and
add it in style?
Is this problem occurs due to .otf file?

Can anyone please help me out with this problem?
Let me know if any other information is required.

Attachment 1 [NotoSansJP.PNG]: While I install the font in windows it treats as the same font family

Thanks a lot in advance.

Dhaval_joshi

Is there any way to do it?
Let me know if required any additional information?
Thanks