Unable to obtain anti-aliasing for Chinese fonts smaller than 10 points

Bug #238466 reported by Jiang
10
This bug affects 1 person
Affects Status Importance Assigned to Milestone
fontconfig (Ubuntu)
Fix Released
Undecided
Unassigned

Bug Description

 No matter what I did, I simply cannot make Chinese fonts
*smaller than 10pt* to be anti-aliased!
 I tried a number of things. In desperation, I emptied
/etc/fonts/conf.d of all files aside from 50-user.conf, and made a local
copy of .fonts.conf file in my home directory. This way, no font
configurations will be read other than .fonts.conf
(/etc/fonts/fonts.conf is left to be the default). It's attached to
this message. As you can see, there I explicitly stated:

<match target="font">
            <edit mode="assign_replace"
name="antialias"><bool>true</bool></edit>
            <edit name="hinting"><bool>true</bool></edit>
</match>
Despite this, I simply cannot get any Chinese fonts smaller than 10pt
to be anti-aliased! The Latin fonts are anti-aliased. This is true
whether in gnome-terminal or in firefox.
        I can understand that many people do not want to read small
Chinese fonts with anti-aliasing. So it is set to be default that any
Chinese fonts below 10pt is not anti-aliased. What I cannot figure out,
for hours, is where they set it and how to change that.

 To recap, I renamed /etc/fonts/conf.d, leaving the
/etc/fonts/conf.d with only file 50-user.conf, signaling the system
to check ~/.fonts.conf, and I explicitly requires there *all* the
fonts to be anti-aliased. Yet no Chinese fonts under 10pt size is
anti-aliased. Is there a hidden configuration somewhere? (Of course I
enabled anti-aliasing in gnome-appearance-properties.)

Revision history for this message
Jiang (jiang-qian) wrote :
Revision history for this message
Matthew Wardrop (mister.wardrop) wrote :

I confirm that this is true; for English. If you change the default language to Chinese (for the user session), everything looks beautiful. Because I am from a native English speaking background, but often type in Chinese, this issue is of concern.

Kind Regards,
Matthew

Revision history for this message
Jean-Baptiste Lallement (jibel) wrote :

Thanks for your report.

Could you please test with Lucid or the development release Maverick. I compared to Karmic and the antialiasing seems much better for small Chinese fonts.

Thanks in advance.

Changed in fontconfig (Ubuntu):
status: New → Incomplete
Revision history for this message
Matthew Wardrop (mister.wardrop) wrote :

This issue is indeed now no longer a problem as of Lucid.

Thank you.

Revision history for this message
Jean-Baptiste Lallement (jibel) wrote :

Thanks for following up. I'm closing this report due to your last comment regarding it's no longer a problem in lucid.
Don't hesitate to submit any new bug.

Changed in fontconfig (Ubuntu):
status: Incomplete → Fix Released
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