https://bugs.freedesktop.org/show_bug.cgi?id=81230
Kevin Suo <suokunl...@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
CC| |suokunl...@gmail.com
Ever confirmed|0 |1
--- Comment #2 from Kevin Suo <suokunl...@gmail.com> ---
Confirmed with libreoffice 3.6.7, 4.2.5.2 and 4.3.0.2, ubuntu 14.04 x86.
There is a serious lag/delay when scrolling near the charts. The lag may be
because Calc is trying to refresh the chart when scrolling.
I agree with Andrey that Calc should do sth to optimize the performance
regarding charts. When the cell data are not changed, or the user did not
change the chart layout, the chart will always remain the same, so there is no
need to refresh/update the chart when scrolling or switching bewteen sheets.
Only when the cell values are changed or the user change the chart layout,
shall the chart be updated.
(Maybe a cached image file can be used? As you can see if you insert an image
in a spreadsheet, you can scroll very fast)
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