[Digikam-devel] Re: PGF filesize

Sven Burmeister sven.burmeister at gmx.net
Wed Jun 22 12:15:41 BST 2011


Am Mittwoch, 22. Juni 2011, 12:36:41 schrieb Gilles Caulier:
> Between 1.9.0 and 2.0.0, there is a few small size difference :
> 
> http://www.flickr.com/photos/digikam/5859258197/sizes/o/in/photostream/
> 
> http://www.flickr.com/photos/digikam/5859258245/sizes/o/in/photostream/

I found the reason!

If one saves a JPG to PGF, the size is small, i.e. ~100kb for a 10 MPx image.

However if one demosaics a RAW picture, crops it to only 2 MPx and saves it as 
lossy low quality PGF it still has 1,5 MB, i.e. 15 times as big as saving from 
JPG although it only has 1/5 of the size.

Is this a bug?

Sven



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