[Webkit-unassigned] [Bug 23211] New: Add QWebFrame::renderContents to API

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=23211

           Summary: Add QWebFrame::renderContents to API
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: Enhancement
          Priority: P2
         Component: WebKit Qt
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: treat at kde.org


Hi,

Currently QWebFrame::render is clipped internally by WebCore to the
visibleContentRect.  This makes it impossible to render parts of a QWebFrame
that are not visible in the frame's viewport.  There are a few use cases where
this becomes problematic.  One such instance is printing of internal iframe's. 
Currently, the Qt API provides no method for doing so as QWebFrame::render will
clip to the internal iframe's viewport.  Another use case is a client which
wants to render parts of the frame outside of the viewport.

The attached patch adds a new method to QWebFrame to allow such use cases.  The
essential difference is that QWebFrame::renderContents will call
FrameView::paintContents rather than FrameView::paint.  This results in no
internal clipping to the viewport and also will not draw the scrollbars of the
frame.

Cheers,
Adam


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