Panorama activity

[Jim Gettys]

> I had a much simpler idea: overlay the previous frame on the video field, offset
> by the desired amount (say, 70%).  This is what many consumer digicams do in
> panorama mode, including my cell phone.  It is then obvious to the user to turn
> the screen until the overlaid image aligns with the camera output.  Based on the
> Video Chat/Virtual Whiteboard mockups, it seems like we have accelerated alpha
> on top of video on the LX, but I don't know this for sure...
> 
Depends on how the camera activity has done its video: if it's grabbing
in RGB mode, then, potentially, at least on LX machines, we'll be able
to do accelerated alpha RSN (tm).
                        - Jim
h
-- 
Jim Gettys
One Laptop Per Child