[KPhotoAlbum] Crash from the latest svn
rlk at alum.mit.edu
Wed Aug 18 14:13:25 BST 2010
From: "Jesper K. Pedersen" <blackie at kde.org>
Date: Wed, 18 Aug 2010 08:51:57 +0200
| | I also vaguely recall that we had a similar performance issue in the
| | KDE3 version that was resolved, at least partially, by using a quick
| | and dirty resampling algorithm rather than rescaling. This made the
| | thumbnails less attractive but much faster to load.)
| Well actually, that was one of the things I threw out (see my
| blog), it took quite some time to do this scaling.
| Even a fast resampling (not rescaling)?
I'm not sure what that code would look like. Feel free to give it a shot.
If I remember right, the thumbnail loader calls the image loader which
calls scaleImage. That uses a single global setting for smooth
vs. fast scaling (this is actually something I did in 2006). But
maybe we want a separate setting for thumbnails vs. images (smooth
scale images, fast scale thumbnails).
QImage Utilities::scaleImage(const QImage &image, int w, int h, Qt::AspectRatioM
ode mode )
return image.scaled( w, h, mode, Settings::SettingsData::instance()->smoothS
cale() ? Qt::SmoothTransformation : Qt::FastTransformation );
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