[Webkit-unassigned] [Bug 94741] New: [Qt][WK2] webpage rendered with wrong scale factor

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=94741

           Summary: [Qt][WK2] webpage rendered with wrong scale factor
           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: luciano.wolf at openbossa.org


When loading a new page, some of its layout information is applied to the currently shown page. For example, if the next page should be scaled due to a viewport value set on the page metadata, this scale is applied to the current page before the new one is ready. This is even more conspicuous on mobile devices. Another problem happens if you refresh the current page and it has viewport modifications: It should just reload the page with the same scale/viewport size, instead it computes a new scale value and renders the page before getting the right scale value.

This patch: https://gist.github.com/3360366 fixes the re-scale problem between pages but lacks a correction for the refresh issue.

The qWarning() at line #644 of this patch shows the resize. Attached to this bug goes an example to run with Minibrowser (without --desktop).

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