Subclassing Animation won't help you unfortunately. It would be best
for you to implement the animation yourself.
On Fri, Jul 30, 2010 at 11:18 AM, jsera wrote:
> Hi, I'd like to subclass Animation in order to get an animation that
> changes the clipRect of the canvas passed to a particular custom view
> instead of messing with the matrix of that canvas.
>
> The reason for this, is that I want to animate a partially obscured
> bitmap up to display it fully.
>
> So, say I have a bitmap 100x100 px, and at the start of the animation,
> I want to start out displaying the top 100x50px of it, so the clipRect
> will be of the size 100x50.
>
> I want to move the clipRect 50px up, and add 50 px to it's size, but
> it looks like both the scale and translate animations just change the
> matrix, so I wind up displaying the same 100x50px area, but stretched
> to fit in in whatever space.
>
> Anyway, what's the best way of accomplishing this?
>
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--
Romain Guy
Android framework engineer
romain...@android.com
Note: please don't send private questions to me, as I don't have time
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