https://issues.apache.org/ooo/show_bug.cgi?id=122985

--- Comment #12 from Armin Le Grand <[email protected]> ---
ALG: Did the same I dod for jpeg (see comment 9) for png, got improvements from
10s load time to 2s. Only done for 24/32bit and not preview-loading to minimize
risk, checked with a PNG test suite all optimized cases. Need to check this one
on linux, too.
Also experimenting with the time settings to flush graphics; when using the
default from the tools/options of 10 minutes (instead of the hard-coded 5
seconds) exactly that happens; there is no mechanism to make the GraphicManager
to take the used memory or number of cached GraphicObjects lead to flushing
graphics (this needs rework). When I would set that time correct, this may lead
to memory problems in other cases. Maybe the speedups should be all for now, to
be on the safe side...

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