animated backgrounds
Matthias Clasen
mclasen at redhat.com
Wed Aug 29 04:01:45 UTC 2007
On Tue, 2007-08-28 at 23:50 -0400, Máirín Duffy wrote:
> Hi Matthias!
>
> Matthias Clasen wrote:
> > On Tue, 2007-08-28 at 16:23 -0400, Máirín Duffy wrote:
> >> I put together an xml file for the animation based on the format for
> >> gnome-desktop-2.19.90-4:
> >>
> >> http://people.redhat.com/duffy/artwork/infinity-24/00-fedora-infinity-background.xml
> >
> > Nice. But I think you want a) the starttime to be midnight and b) the
> > durations of the static images to be 2700 and the transitions to be 900,
> > so that it actually sums up to 24 hours.
>
> Yeh, I screwed it up. I wasn't sure what exactly the relationships of
> the numbers were and I didn't realize until I already built the package.
> To be midnight the starttime's hour would have to be 0, so 12 is
> actually 12 pm?
Yeah, the man page says:
tm_hour
The number of hours past midnight, in the range 0 to 23.
> Does it matter what year-month-date is there?
If your animation fills exactly 24 hours, it should not, unless you care
about leap seconds...
> >
> >> I did each one using gradients and layer blending modes in the Gimp over
> >> top of the main background image. The source is here (warning: it's
> >> quite large):
> >>
> >> http://people.redhat.com/duffy/artwork/infinity-24/00-background.xcf
> >>
> >
> > Unfortunately, there is very noticeable banding in the images.
>
> Yeh. Because it's a significant amount of effort to produce them (this
> set took over 4 hours of manual tweaking), I figured these are a good
> first cut to make sure the colors work out and to get more eyes on the
> background transition stuff. In time for test 3, I can go in
> layer-by-layer (because each image is actually an alpha-gradient
> adjustment layer over the original artwork in a gimp file) and manually
> smooth each gradient. I thought that would be a significant amount of
> time and effort to do when I wasn't sure I picked the right colors and I
> really wanted something in test 2... does that make sense?
Sure, makes sense.
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