| Re: Fw: [e4-dev] Some thoughts about Animations API |
Gorkem,
Thanks for the ideas. We haven't had much time to work on the Animation APIs
When we're back at it we'll definitely take your thoughts into consideration.
Kevin
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> 12/11/2008 05:39 PM
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> [e4-dev] Some thoughts about Animations API
>
> I have been trying to implement the animations API for eSWT (Nokia
> platforms) and I would like to share some thoughts about the API.
>
> It looks like the interpolators are in the very early stage and I
> could not really make up how they are planned to be used. I am
> assuming the interpolators are meant to be like the easings(
> http://www.robertpenner.com/easing/). I think it is necessary to have
> a set of common interpolations (or easings ) provided by the API.
> Perhaps, we can consider the ones from
> http://www.robertpenner.com/easing/ to be the set provided by the API
> (they are under BSD license). I think in most cases the readily
> provided interpolations will be used but it would be good to have the
> possibility to write your own as well.
>
> A missing piece is the transitions. It is not easily possible to
> create a UI that transitions from one state to another with the
> current API. For instance animating the transition of several widgets
> and or several properties when a Shell is maximized to a different
> state and restoring back requires a lot of coding with the current
> API. There is a need for an API that is capable of holding states and
> animating them when they are activated.
>
> On some minor notes. I could not really see any reason for the
> Animation class to be a concrete class. Also I am not sure if
> SequenceAnimation and ParalelAnimation is really needed perhaps they
> should only be style bits for CompositeAnimation.
>
> --
> Gorkem
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