[Bug 540061] New: CJK text regression (w/ screenshots)

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Summary: CJK text regression (w/ screenshots)

https://bugzilla.redhat.com/show_bug.cgi?id=540061

           Summary: CJK text regression (w/ screenshots)
           Product: Fedora
           Version: 12
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: medium
          Priority: low
         Component: fontconfig
        AssignedTo: besfahbo at redhat.com
        ReportedBy: frigoris.ma at gmail.com
         QAContact: extras-qa at fedoraproject.org
                CC: besfahbo at redhat.com, fedora-fonts-bugs-list at redhat.com
    Classification: Fedora


Created an attachment (id=372855)
 --> (https://bugzilla.redhat.com/attachment.cgi?id=372855)
Screenshot of XFCE4 input method setting tool. Note the coarse text

Description of problem:
I upgraded to Fedora 12 and to my surprise, some Chinese text that used to be
displayed correctly now appears to be rendered ugly and broken.

Examples can be found in the attached screenshots. All shots are taken on the
F12 system. Unfortunately I didn't take shots on the previous, working system
(because it worked as expected) so there's no comparison.

On my current F12 install the font packages are almost the same as the previous
F11 system. There are no additional fonts installed.

The installed CJK fonts are:

cjkuni-fonts-ghostscript-0.2.20080216.1-29.fc12.noarch
cjkuni-ukai-fonts-0.2.20080216.1-29.fc12.noarch
cjkuni-uming-fonts-0.2.20080216.1-29.fc12.noarch

wqy-bitmap-fonts-0.9.9-11.fc12.noarch
wqy-unibit-fonts-1.1.0-7.fc12.noarch
wqy-zenhei-fonts-0.8.38-3.fc12.noarch

xorg-x11-fonts-misc-7.2-9.fc12.noarch

I'm not sure whether this bug should be reported against this package or any of
the font packages. I really don't know. I just guessed this could possibly be a
fontconfig problem, since I didn't change the fonts.

The Appearance setting is also inherited from the previous install. The default
font used is "DejaVu Sans 9". In F11 it used to do the right thing with this
setting (displaying Western text in DejaVu Sans and render CJK text
beautifully). I didn't change anything.

Also, subpixel antialiasing seems to have stopped working for CJK text too. 


Version-Release number of selected component (if applicable):
fontconfig-2.7.3-1.fc12.i686


Additional info:
I guess the cause of this issue is complex, but I have to choose a package to
report the bug against ;) If you feel it's necessary, please also inform the
font maintainers of this issue.

Thanks.

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