forwarded 403291 http://bugs.kde.org/139399 stop
OK, there definitely is a lot of wasted repainting going on. I've forwarded this problem upstream. If you want to add further comments on what's broken (related to this issue) please do so at the upstream report, so the authors can see them. Thanks, Christopher Martin On Tuesday 26 December 2006 14:20, Jiří Paleček wrote: > Hello, > > On Sat, 23 Dec 2006 18:49:10 +0100, Christopher Martin > > <[EMAIL PROTECTED]> wrote: > > On Tuesday 19 December 2006 17:39, Jiří Paleček wrote: > >> Open a big image (eg. a photo from 3MPix camera), set zoom to "fit > >> to window". > >> Then, work with the menus. If you have some top-like program > >> running, it would show you gwenview is using 100% CPU for (not so > >> short) periods of time. > > > > It sounds like Gwenview is taking a lot of CPU to process the image > > the image to fit the window. Some CPU usage here is unavoidable, > > and while that processing is occurring, the rest of the GUI is > > going to be (unavoidably) slowed and less responsive. What setting > > do you have for "Settings --> Configure Gwenview --> Image View, > > Smoothing? Try changing it to Fast or None. The Best setting, for > > instance, is very high quality, but does indeed take an _enormous_ > > amount of CPU time and power. > > > > So let me know if lowering that setting improves the situation. > > Well, yes and no. I lowered the settings to Fast, and it's slightly > faster. However, I don't think that the smoothing time should be a > problem. The problem is that Gwenview smoothes the image every time > it needs repaint, and that it seems to do that to the whole image. > The situation is not that the GUI is unusable for short periods > of time after loading an image, as you have proposed. It is unusable, > for example, when you open a menu which will obstruct the image > and then open another menu -- you will have to wait for the former > menu to close, and the image to repaint. > > For example, when in fullscreen mode, the OSD (the sliding blue thing > in the top-left corner of the screen) is almost unusable because you > have to wait for numerous repaints (and smoothings). > > Also, the earlier version was much better in this. > > Reagrds > Jiri Palecek
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