for more information, you can refer to the below link: http://wiki.services.openoffice.org/wiki/ODT_saving_performance_improvement
On Thu, Jun 21, 2012 at 1:00 PM, li zhang <lizh....@gmail.com> wrote: > hi, all > I'm zhang li from China. My main focus is performance(loading, saving, > asynchronous loading, etc). > > I have one fix need for review. It is about odt saving. Please check the > below for details, thanks! > > https://issues.apache.org/ooo/show_bug.cgi?id=120030 > > root cause: > Do profiling on a sample file, SfxObjectShell::GenerateAndStoreThumbnail > is to be found occypy too much time, and it will call SwFlyFrm::Paint > several times, but it's unnecessary to paint thumbnail so many times when > saving. > > solution: > When thumbnail is generated and stored, in SwFlyFrm::Paint, current > visible rectangle will be compared with fly frame rectangle, if the two > rectangles don't intersect, SwFlyFrm::Paint will return, need no repaint. >
