http://bugs.winehq.org/show_bug.cgi?id=13829
--- Comment #33 from Scott Ritchie scott@open-vote.org 2010-12-10 14:16:14 CST --- After some discussion at Wineconf here is my recommended solution for Japanese:
PACKAGERS: have Wine "recommend" (install but not hard-depend) the Ume font suite. These are the same sets of fonts that Crossover uses and, while not default on the system, are metric compatible with Windows' Japanese fonts.
Then apply a patch to Wine (it's ok for this to be package-specific and not upstream) that uses those fonts in the registry for both the system link (patch above) and some font substitutes. It'll look something like this in wine.inf
HKLM,%FontSubStr%,"MS Gothic",,"Ume Gothic" HKLM,%FontSubStr%,"MS PGothic",,"Ume P Gothic" HKLM,%FontSubStr%,"MS UI Gothic",,"Ume UI Gothic" HKLM,%FontSubStr%,"MS Mincho",,"Ume Mincho" HKLM,%FontSubStr%,"MS PMincho",,"Ume P Mincho"
This sort of patch can be dropped later once A) Wine starts supporting fontconfig aliases and B) Your distro actually aliases the Ume fonts (or a different metric-compatible one) to the MS fonts. On Ubuntu the latter isn't the case; I'd argue that's a problem with the Ume font package.
This test page may be helpful: http://wine.budgetdedicated.com/winetricks/asian-font-tests.html (winetricks firefox is easiest). At a minimum you should see characters on every line, but even better is to see clearly different fonts (the mere systemlink patch above will use the same font for all of them).