[Webkit-unassigned] [Bug 55361] New: SVG 1.1: ineffectual transform attribute for ClipPath

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=55361

           Summary: SVG 1.1: ineffectual transform attribute for ClipPath
           Product: WebKit
           Version: 412
          Platform: Macintosh Intel
        OS/Version: Mac OS X 10.6
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: SVG
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: m_guerquin at yahoo.fr
                CC: zimmermann at kde.org


I observed unexpected display of SVG pictures using Chrome/Safari/Webkit (cf. attached picture). Non webkit-based browser, e.g. Opera/Firefox, do display the figure correctly.

The cause might be that the transform attribute for clippath is unimplemented or ineffectual. In fact, in the attached test SVG, removing the transform attribute line 7 has no effect on the display.

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
<svg xmlns:svg="http://www.w3.org/2000/svg" xmlns="http://www.w3.org/2000/svg" version="1.1" width="512" height="512">
<g>
<ellipse id="ell1" cx="200" cy="256" rx="20" ry="100" transform="rotate(-18,200,256)" style="fill:rgb(0%,0%,0%);stroke:none"/>
<ellipse id="ell2" cx="256" cy="256" rx="50" ry="60" style="fill:rgb(30%,30%,30%);stroke:none"/>
<clipPath id="ell1-ell2" transform="rotate(18,200,256) scale(2,2)">
<ellipse id="ell2-2" cx="256" cy="256" rx="50" ry="60" style="fill:rgb(30%,30%,30%);stroke:none"/>
</clipPath>
<ellipse clip-path="url(#ell1-ell2)" cx="200" cy="256" rx="20" ry="100" transform="rotate(-18,200,256)" style="fill:rgb(100%,100%,100%);stroke:none"/>
</g>
</svg>

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