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------- Additional comments from [EMAIL PROTECTED] Sat Aug 23 06:27:25 +0000 2008 ------- To help identify duplicates to this issue (e.g. issue 92843 is a candidate) I'd like to point out the subtle details to make it understandable out why CJK, Indic and non-ASCII were impacted differently by this same root cause: Fonts nowadays usually have an unicode mapping, many still have an old macos compatibility mapping like apple_roman and some important CJK fonts still contain non-unicode legacy charmaps, FcFreeTypeCharIndex() changed the FT_Face's charmap by iterating through the ones available in the font until it either hit once or until all available charmaps missed. The result of that unexpected side effect was that - non-ASCII latin misses resulted in the FT_Face being changed to apple_roman encoding - CJK fonts often got the regular unicode mapping back, but sometimes a legacy CJK mapping hit first - Indic, Thai, Hebrew, etc. almost certainly switched back to the unicode mapping at the first glyph hit Now if the scenario resulted in FT_Face being changed back to a unicode mapping everything was fine again. If it resulted in e.g. apple_roman then the problem seen in this issue happened. In the case of just one legacy CJK mapping being available there usually was no problem too, unless the mapping from unicode to legacy mapping differed between OOo and FC. In the case of both unicode maps and legacy maps being available in the font, the scenario of many glyph misses caused occassional switches between these charmaps. Escpecially since these big mappings often have a slightly different coverage. The root cause is easily understable, but many of resulting bug scenarios are so complex to be mind bending... though the mapping trouble outlined above is complex enough it is further complicated by an LRU-like caching of the usually expensive mapping results. --------------------------------------------------------------------- Please do not reply to this automatically generated notification from Issue Tracker. Please log onto the website and enter your comments. http://qa.openoffice.org/issue_handling/project_issues.html#notification --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
