On Thu, 2007-08-16 at 22:01 +0200, Matthias Clasen wrote: > 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 > following: > > <background> > <starttime>1184295694</starttime> > <static> > <duration>60.0</duration> > <file>/path/to/image1</file> > </static> > <transition> > <duration>30.0</duration> > <from>/path/to/image1</from> > <to>/path/to/image2</to> > </transition> > <static> > <duration>60.0</duration> > <file>/path/to/image2</file> > </static> > </background> > > starttime is the time in seconds since the unix epoch, > duration is in seconds. > > > Matthias > > Hey, that sounds interesting, we could even make some svg based wallpapers this way, I am however not sure what the starttime means, and how it will work for different time zones? If I understand correctly the starttime is time in seconds since some event in past (unix epoch). But it would then mean, that if I set the start time to be 0 hour of some day in US, it will be 12 hour on the opposite side of the Earth and as a result I will have day at night and night at day in Europe. Martin
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