[Webkit-unassigned] [Bug 18375] Make SVG animation work

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=18375


koivisto at iki.fi changed:

           What    |Removed                     |Added
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  Attachment #20419|                            |review?
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------- Comment #1 from koivisto at iki.fi  2008-04-08 22:06 PDT -------
Created an attachment (id=20419)
 --> (http://bugs.webkit.org/attachment.cgi?id=20419&action=view)
Implement (most of) it

        It does
        - Full SMIL interval timing model including syncbase and event base
timing (the hard part).
        - CSS and XML attribute animation.
        - Linear, discrete and spline calcModes.
        - Values animation with keyTimes and keySplines.
        - Link activated animations.
        - Pretty good support for <animate> and <set> animations
        - Basic support for <animateColor>, <animateMotion> and
<animateTransform>.

        This passes some 35 of the 56 tests in W3C SVG animation test suite, a
bunch more
        with some subtest failures.

        What is still missing
        - Additive animation with multiple animations operating on the same
property. This is a
          major architectural feature in animation code. It shouldn't be too
hard to add.
        - Only <animate> implements accumulate.
        - <animateMotion> does not do paths, keypoints, rotate.
        - <animateTransform> does not work with text, some transforms are
broken.
        - calcMode paced is missing.
        - repeat, beginEvent, endEvent are missing.
        - accesskey() is missing.
        - JS does not see correct values for baseVal/animVal, changing values
that are being
          animted for a script produces wrong results. Not maintaining separate
presentation 
          values for XML attributes is an architectural problem in our SVG
code.
        - Some other stuff I forgot or do not know about.

There are three new classes:

- SMILTime which implements time math including special "indefinite" and
"unresolved" values.
- SMILTimeContainer which runs the clock and manages animations ("time
container" is a SMIL term)
- SMILTimingElement, an abstract class which inherits SVGElement and is
inherited by SVGAnimationElement. It implements SMIL timing model semantics.


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