Re: Does editing compress my JPG:s?
- From: Stephane Delcroix <stephane delcroix org>
- To: Antti Ahonen <aahonen gmail com>
- Cc: f-spot-list gnome org
- Subject: Re: Does editing compress my JPG:s?
- Date: Tue, 09 Jan 2007 10:31:23 +0100
Editing imply decoding and recoding jpegs. The recoding is done with a
fixed compression factor. Now that the quality guessing code is
implemented and works fine, f-spot will recode all your modified jpegs
with a very similar compression factor, resulting in filesizes of the
same magnitude.
Some filters already use that, but not all the editing parts...
regards
s
On Tue, 2007-01-09 at 10:57 +0200, Antti Ahonen wrote:
> I like to use these editing features of F-spot for all simple editing
> I do, like cropping and minor color adjustments. Only now I noticed
> that the size of an exported jpg is much smaller tahn the original.
>
> If I have 2.8MB JPG, after editing (any editing, no cropping) I will
> have about 600 KB image.
>
> So what have been lost?
>
> And why is the size of the file not visible in F-spot?
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>
--
Stephane Delcroix
stephane delcroix org
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