animated backgrounds

Matthias Clasen mclasen at
Thu Aug 16 20:01:22 UTC 2007

A while ago Søren Sandmann did some work to support animated
backgrounds. The use case this feature was designed for is to
show pictures of the same scene (e.g. a city skyline) over the
course of the day (say, every 15 minutes), synchronized to the 
current time. 

Unfortunately, we didn't ever get around to take such a photo 
series. But it would be a shame to let this nice feature go 
unused and eventually bitrot away, so I ported it to the new 
appearance capplet last night, and I am sending out this email 
in the hope that maybe some artists will find this interesting 
enough to come up with some cool animated backgrounds. 

Here is how it works:

Instead of a jpeg or png, you create an xml file like the


starttime is the time in seconds since the unix epoch, 
duration is in seconds. 


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