On 27/02/2009, at 2:57 AM, Harry Underwood wrote:
Do the CSS Animations, Transitions, Transforms and Transforms 3D
modules that are being proposed by Apple and currently included in
WebKit inclusive of the SVG spec, or is it exclusive to interaction
with xHTML as far as stylesheet-markup interaction is concerned? And
is the status quo subject to change in this regard?
We have plans to allow transitions on SVG properties:
https://bugs.webkit.org/show_bug.cgi?id=21586
I predict that bug will probably get Animations working at the same
time (in the engine there isn't a huge difference).
Of course that will only work for SVG's style properties, not the
attributes (like cx/cy for the positioning of a circle).
Transforms and 3D Transforms were written to be as compatible with SVG
as possible. 2D transforms could reasonably apply to SVG (except the
SVG specification says transform is an attribute, not a property). 3D
transforms are slightly trickier because they could change the SVG
rendering model for drawing order. The SVG WG at W3C are currently
looking into this - we hope they come up with something that is
compatible with what we have proposed.
I wanted to ask this because, if CSS Animations could be combined
with SVG markup, it would really change the definition of web
animation from something that is best left scripted to something
that could be styled.
SVG can also use SMIL for declarative animation, so you don't have to
always resort to scripting. Some of that is already implemented in
WebKit. Hopefully we can combine/sync the two animation systems
sometime soon. That would need to be specified (eg which animation
wins? this is what the SVG list response was getting at).
Dean
Plus, for those WYSIWYG HTML editors which may come to support this
module given the success of WebKit's propogation, it would mean that
people could create animations on their web pages using HTML editor
+Inkscape, rather than HTML editor+Ikivo Animator (in other words,
less need for shareware to do this job).
I asked about this on the SVG Developers mailing list, but one of
the more frequent denizens stated that he and others on the list
felt that the draft was too underdefined to tell about interactions
between SVG and CSS Animations. http://article.gmane.org/gmane.text.xml.svg.devel/45508
Rayne
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