[Bug 16325] incorrect font rendering for CJK programs

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=16325


Aric Stewart <aric at codeweavers.com> changed:

           What    |Removed                     |Added
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                 CC|                            |aric at codeweavers.com




--- Comment #98 from Aric Stewart <aric at codeweavers.com>  2009-11-08 04:06:01 ---
I believe this is a System default fallback issue.

Windows in CJK locales have the ability to fall back to a default fonts to find
missing glyphs.  Windows in other locales do NOT do this. so in wine we have
only activated this logic for CJK locales.

The registry key that is looked for is:

HKLM\Software\Microsoft\Windows NT\CurrentVersion\FontLink\SystemLink
"Microsoft Sans Serif"

It is a REG_SZ_MULTI  string that sepecifies font files,font name.

for example on my Japaense windows machine i see

MSGOTHIC.TTC,MS UI
Gothic","gulim.ttc,gulim","SimSun.TTC,SimSun","mingliu.ttc,PMingLiU

The tricky issue is that it uses font file names, and redirects inside wine
does not work to follow them.

So a distribution packager would need to make sure that fonts that exist on the
system are what are listed.

Then when wine is run in the CJK locale it should properly fall back to finding
glyphs in these fonts.

Now again I would need Chinese and Korean users to confirm that this entry is
correct. It may order differently based on locale of the windows install.  I am
unsure if it was because I was looking at a Japanese machine that MSGOTHIC.TTC
was first (the Japanese Font) of it the Microsoft fonts are just such that
Japanese is listed first then Korean, then Chinese Simplified and then Chinese
Traditional.

-aric

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