[Webkit-unassigned] [Bug 81332] New: Cache support for OpenTypeVerticalData

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=81332

           Summary: Cache support for OpenTypeVerticalData
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: Windows 7
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Text
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: kojiishi at gmail.com


Vertical flow-related data read from OpenType fonts are per-OpenType font, and there's no class in WebKit that represents an OpenType font file instance. SimpleFontData and PlatformFontData are created per size and so forth, so creating OpenTypeVerticalData instance (see bug 81326) per SimpleFontData or PlatformFontData wastes memory.

This bug is for patches all platforms that use OpenTypeVerticalData can share. Patches only for CGWin is in bug 48459.

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