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http://www.openoffice.org/issues/show_bug.cgi?id=93945





------- Additional comments from [EMAIL PROTECTED] Wed Oct 22 08:52:41 +0000 
2008 -------
The time stretching is one of the major problems of issue 94193 but has no big
influence on this issue.

Here the problem arises from the use of two different queues and the way
parallel animations are handled.  We have here two animation parts that together
form an animation that lasts one second and fades the alpha value from 1 to 0
(first animation part) and at time offset 0.995s hides the shape (second
animation part.)   Both animation parts are scheduled in the first, the event
queue.  The first has a delay of 0s an the second has a delay of 0.995s.

When the table in the background is painted at the wrong time then the
activation of both animation parts is delayed by more than one second.  The next
time the event queue processes its events, both animation parts are overdue and
are activated at the same time, i.e. two activities are inserted into the
activity queue and are executed right away, instead of 0.995s apart.

The result is, as explained above, that the animated shape is hidden at once but
its alpha value is still animated over 1s from 1 to 0, with all the ill effects
also described above.

So, removing the time stretching would not change this behavior at all.

My (rough) idea of a solution goes in another direction: Keep the delay of
parallel animation parts in the activity queue.  Activate all parts at the same
time, on purpose not by coincidence, and let the activities queue handle the
delay.  This way the relative starting times would be obeyed and even time
stretching would properly be taken into account, because both the delay and an
active activity would be affected by the time dilation in the same way.

The current architecture of the slideshow module, however, does not support a
simple realization of this.

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