Hi all!

Single thumbnail file is quite small, but when we have bunch of them
it could be a problem; recently I discovered, that size of my
.thumbnails directory was 2GB.

I've tested very simple method to reduce size of thumb pngs - before
save a file, n lower bits of each pixel component is reset. Of course
this cause lost of some information, but thumbnails are just...
thumbnails, and I think it is not problem for anyone. My quick tests
with patched geeqie show significant reduction of size:
for n=3 - 20-30% less, for n=4 - 40-50%.

w.

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