New subject: [Bug 10198]=?UTF-8?Q?=20IE=E2=80=99s=20writing=2Dmode?=:tb-rl ( CJK-style vertical text layout) renders fullwidth characters rotated when it should not

27 Oct 2007


      http://bugs.winehq.org/show_bug.cgi?id=10198
Summary: IE’s writing-mode:tb-rl (CJK-style vertical text
                    layout) renders fullwidth characters rotated when it
                    should not
           Product: Wine
           Version: 0.9.44.
          Platform: PC
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P4
         Component: wine-shell32
        AssignedTo: wine-bugs@winehq.org
        ReportedBy: chortos@inbox.lv
Since version 5.5, IE supports the CSS property ‘writing-mode’. It enables
vertical text layout, in which text flows from top to bottom and lines flow
from right to left. Fullwidth characters (including all non-specially-halfwidth
CJK) are to be rendered as usual (with their top pointing towards the absolute
top of the box), while halfwidth characters are to be rotated by 90°. In Wine,
on the other hand, all characters are rotated no matter what width they are.
Here is a closely related piece of text from MSDN
(http://msdn2.microsoft.com/en-us/library/bb250415.aspx):
‘Operating system limitations prevent the correct display of East Asian
characters in an upright orientation in some configurations. This limitation
has been eliminated in Microsoft Windows® 2000, but Microsoft Windows NT® 4.0
and Windows 9x systems require a version of the operating system that has been
localized for an East Asian language to ensure that these characters display
correctly.’
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[Bug 10198] New:=?UTF-8?Q?=20IE=E2=80=99s=20writing=2Dmode?=:tb-rl ( CJK-style vertical text layout) renders fullwidth characters rotated when it should not