[Webkit-unassigned] [Bug 12047] New: SVGPathSegList needs getTotalLength, getSegmentAtLength path traversal code

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=12047

           Summary: SVGPathSegList needs getTotalLength, getSegmentAtLength
                    path traversal code
           Product: WebKit
           Version: 420+ (nightly)
          Platform: Macintosh
        OS/Version: Mac OS X 10.4
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: SVG
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: macdome at opendarwin.org
                CC: zimmermann at kde.org


SVGPathSegList needs getTotalLength, getSegmentAtLength path traversal code

Now that bug 12033 is complete SVGPathElement::getTotalLength works.  However
right now it uses toPathData() (without any caching).  In some cases it would
be more efficient to use a getTotalLength function on a SVGPathSegList
(assuming one is already created for DOM use).  Certainly getSegmentAtLengh
should traverse the SVGPathSegList instead of the Path object.

This bug covers implementing SVGPathSegList path traversal functions.

The major question to answer with regards to SVGPathSegList is whether to
support non-normalized path traversal or not.  (For example, we'd have to
automatically process arcs into curves, or write code to measure arc length in
addition to the existing code for measuring bezier curve lengths)


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