Laszlo (Laca) Peter wrote: > On Wed, 2008-08-13 at 10:07 -0500, Bob Friesenhahn wrote: >> It seems that many of the images are in PNG format. Given this, it is >> worth investigating to see if these PNG files may be optimized for >> smaller size using 'pngcrush' or a similar tool. I picked a file at >> random from the themes provided with Solaris 10 and found that >> 'pngcrush' was able to optimize it to a smaller size, indicating that >> these images are not yet optimized for size. >> >> PNG is a very flexible format offering many ways to store the same >> image. >> >> Wasted space by the filesystem when storing tiny files may hinder >> optimization efforts. > > I've tried this. Built pngcrush (now available in SFE) and > recompressed all pngs with the -brute option. The total > saving for /usr/share/icons was > 852k (49884 -> 49032). > There's more space to be saved with the larger pixmaps like > background images (/usr/share/gnome/pixmaps/backgrounds/*) > 312k (5372 -> 5060) > and the rest of the theme images (/usr/share/themes/*) > 32k (3488 -> 3456) > So that's 1196k saved on SUNWgnome-themes. > > Not sure how of this saving is left after the compression > during the CD image build, though. >
A reasonable estimate is obtained by just gzip'ing your results and compare them to the gzip sizes I posted for the packages. Dave
