koffice/libs/store

Boudewijn Rempt boud at valdyas.org
Sun Nov 26 19:36:36 CET 2006


On Sunday 26 November 2006 17:07, you wrote:
> > I'm wondering: how hard would it be to use this compression for Krita's
> > tiles? Those are 64x64 pixels of 1 or 32 bytes. Especially for our undo
> > tile cache, compression might save a ton of memory. But on the other
> > hand, maybe the chunks are too small to compress nicely.
>
> 256 bytes sound possible to me. Perhaps Wilson-Kaplan algorithm is
> better here than Lempel-Ziv.
>
> The best is if you send couple of memory dumps of those tiles that I
> can play with.

Ok -- that's cool. I'll try to hack up a tiledumper that saves tiles as 
individual files (currently tiles are saved all together per layer in .kra 
files.)
-- 
Boudewijn Rempt 
http://www.valdyas.org/fading/index.cgi
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