[Webkit-unassigned] [Bug 135383] New: Alt texts are rendered horizontally in vertical writing mode

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=135383

           Summary: Alt texts are rendered horizontally in vertical
                    writing mode
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: taken.spc at gmail.com


Created an attachment (id=235683)
 --> (https://bugs.webkit.org/attachment.cgi?id=235683&action=review)
Testcase

Alt texts for missing images are not rendered vertically in vertical writing mode and orientation of text is incorrect.

Expected rendering:
- Alt text: rendered vertically in vertical writing mode
- Japanese characters (fullwidth): glyphs are not rotated
- Latin characters (halfwidth): glyphs are rotated clockwise 90 degrees

Actual rendering:
- Alt text: rendered horizontally in vertical writing mode
- Japanese characters (fullwidth): glyphs are rotated counter-clockwise 90 degrees
- Latin characters (halfwidth): glyphs are not rotated

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