[Webkit-unassigned] [Bug 56962] New: [Chromium] Vertical Japanese text is not displayed on Snow Leopard

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=56962

           Summary: [Chromium] Vertical Japanese text is not displayed on
                    Snow Leopard
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh
        OS/Version: Mac OS X 10.6
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Text
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: mihaip at chromium.org
                CC: hyatt at apple.com, jamesr at chromium.org


Created an attachment (id=86685)
 --> (https://bugs.webkit.org/attachment.cgi?id=86685&action=review)
fast/dynamic/text-combine.html in ToT Chromium

The following tests are failing on Chromium on Snow Leopard due to vertical text not being rendered in the right place:

fast/blockflow/border-vertical-lr.html
fast/blockflow/broken-ideograph-small-caps.html
fast/blockflow/broken-ideographic-font.html
fast/blockflow/japanese-lr-selection.html
fast/blockflow/japanese-lr-text.html
fast/blockflow/japanese-rl-selection.html
fast/blockflow/japanese-rl-text-with-broken-font.html
fast/blockflow/japanese-rl-text.html
fast/blockflow/japanese-ruby-vertical-lr.html
fast/blockflow/japanese-ruby-vertical-rl.html
fast/blockflow/Kusa-Makura-background-canvas.html
fast/blockflow/vertical-align-table-baseline.html
fast/blockflow/vertical-baseline-alignment.html
fast/blockflow/vertical-font-fallback.html
fast/dynamic/text-combine.html
fast/repaint/japanese-rl-selection-clear.html
fast/repaint/japanese-rl-selection-repaint.html
fast/repaint/repaint-across-writing-mode-boundary.html
fast/ruby/base-shorter-than-text.html
fast/text/emphasis-combined-text.html
fast/text/justify-ideograph-vertical.html

Expected image: http://svn.webkit.org/repository/webkit/trunk/LayoutTests/platform/mac/fast/dynamic/text-combine-expected.png
Actual image: http://build.chromium.org/f/chromium/layout_test_results/Webkit_Mac10_6/results/layout-test-results/fast/dynamic/text-combine-actual.png

Looking at the actual result in ToT Chromium (see attachment), the vertical text is getting rendered, just in the wrong position. However, we do have the correct glyph positions when computing layout, shown by find-in-page highlighting the right area.

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