[Webkit-unassigned] [Bug 119321] New: Correct overflow propagation in BTT and RTL writing-modes

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Jul 30 22:00:01 PDT 2013


https://bugs.webkit.org/show_bug.cgi?id=119321

           Summary: Correct overflow propagation in BTT and RTL
                    writing-modes
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Keywords: BlinkMergeCandidate
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: rniwa at webkit.org
                CC: hyatt at apple.com, bdakin at apple.com,
                    simon.fraser at apple.com, dino at apple.com,
                    robert at webkit.org, enrica at apple.com, thorton at apple.com


Consider merging https://chromium.googlesource.com/chromium/blink/+/5ffebc0f0a12542f4dd9824042904642528ad665

Overflow rectangles are not quite physical, not quite logical. This
means that we cannot use clientBoxRect() directly to represent a
rectangle that expresses exactly no overflow. This rectangle is the
padding box (relative to the border box) in vertical-lr and
horizontal-tb, but the block-direction borders need to be flipped in
vertical-rl and horizontal-bt.

fast/multicol/vertical-rl/rules-with-border-before.html now needs a
rebaseline, because it now renders differently, but correctly.

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