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[Bug 16023] New: CSS3 Image and element() with 3D transforms?

From: <bugzilla@jessica.w3.org>
Date: Sat, 18 Feb 2012 17:14:01 +0000
To: public-css-bugzilla@w3.org
Message-ID: <bug-16023-5148@http.www.w3.org/Bugs/Public/>
https://www.w3.org/Bugs/Public/show_bug.cgi?id=16023

           Summary: CSS3 Image and element() with 3D transforms?
           Product: CSS
           Version: unspecified
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Transforms
        AssignedTo: smfr@me.com
        ReportedBy: dschulze@adobe.com
         QAContact: public-css-bugzilla@w3.org
                CC: cmarrin@apple.com, eoconnor@apple.com, dino@apple.com,
                    dschulze@adobe.com


What if elements within element()[1] have 3D transforms? How would perspective
interact with other content in HTML?

For SVG I plan not to allow 3D transforms for pattern, gradients, mask and
clipper, their childs and referenced resources of the childs. At first they are
used by a 2D shape anyway. Beside pattern, all other operations are 2D anyway.
Pattern could have 3D transformed childs, but we would have to specify
perspective of a pattern in combination with perspective of the referencing
target element.

The amount can be to hard to specify and in my eyes impossible to overlook in
the short time we have left to get to CR. And it is maybe even harder to
implement.

For this reason I would suggest to ignore all transform functions with 3D
content on elements when they are in the rendering context of element().

[1] http://dev.w3.org/csswg/css3-images/#element-reference

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Received on Saturday, 18 February 2012 17:14:04 GMT

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