[Webkit-unassigned] [Bug 49353] New: ComplexTextController not prepared to handle multiple runs

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=49353

           Summary: ComplexTextController not prepared to handle multiple
                    runs
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Macintosh
        OS/Version: Mac OS X 10.6
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Text
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: nholbrook at apple.com


If, for whatever reason, CoreText were to return multiple runs for a given text run, ComplexTextController would return incorrect results. Currently ComplexTextRun::indexAt() always returns a run-based index, but if collectComplexTextRunsForCharactersCoreText() were to generate multiple ComplexTextRun objects they would not consistently be run-based since they are just using the string index array from each run, which would start at the location of that run in the string; the same goes for ComplexTextRun::characters() and ComplexTextRun::stringLocation().

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