[Webkit-unassigned] [Bug 12095] New: Image (and thus SVGImage and PDFDocumentImage) need size-negotiation

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=12095

           Summary: Image (and thus SVGImage and PDFDocumentImage) need
                    size-negotiation
           Product: WebKit
           Version: 420+ (nightly)
          Platform: Macintosh
        OS/Version: Mac OS X 10.4
            Status: NEW
          Keywords: SVGHitList
          Severity: Normal
          Priority: P2
         Component: SVG
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: macdome at opendarwin.org
                CC: hyatt at apple.com


Image (and thus SVGImage and PDFDocumentImage) need size-negotiation

Image needs new methods:
virtual FloatSize Image::intrinsicSize()
virtual FloatSize Image::sizeForViewport(const FloatSize& destSize)

(or some equivalent API)
to allow for scalable images to draw filling the viewport.  These would replace
the current size() call.  SVGImage would override sizeForViewport() to return
the maximum scaled size for that viewport.  Code already exists in
SVGImage::size() for doing this kind of sizing, it's just not wired up (as no
destSize is passed in).

SVGImage::draw will now likely require a call to FrameView::setSize, or perhaps
that size call has moved to the Page now or one of the clients.  The layout
machinery should automatically take care of re-laying out the SVG at the new
size.


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