[Webkit-unassigned] [Bug 23141] New: Full Page Zoom: there is a limit to the minimum value of zoomFactor

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=23141

           Summary: Full Page Zoom: there is a limit to the minimum value of
                    zoomFactor
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: treat at kde.org


Hi,

Using the newly introduced fixedLayoutSize feature with the Qt port I
discovered a potential bug in the full page zoom implementation.  Specifically,
if I set the fixedLayoutSize to, say 1024x768, and then set my viewport to a
sufficiently small size, say 260x550, then I load up google.com/news and set a
zoom factor such that the page should fit perfectly within the viewport with no
horizontal scrollbar; something interesting is noticed - the zoom factor is not
completely respected.

What appears to be happening is RenderView has an overflow width that it will
not go below.  Thus the docWidth, not the viewWidth becomes the dominating
factor.  I suspect this is because some elements refuse to respect the zoom
factor if it is sufficiently small.

Thoughts on what is going on or how this might be fixed?


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