Re: EOG features



On Wed, 2005-11-30 at 18:28 -0500, Behdad Esfahbod wrote:
> On Wed, 30 Nov 2005, Calum Benson wrote:
> 
> >
> > On 30 Nov 2005, at 21:40, Lucas Rocha wrote:
> >
> > > I'm having a little dilema about EOG redesign: should EOG be able to
> > > save image changes (rotation) to disk? I tend to say "no" because,
> > > actually, EOG is an image VIEWER (there is GIMP for image editing).
> >
> > I think the question here is whether you consider rotation a viewing
> > or editing function.  I'd say it's certainly as much of one as the
> > other, so I think it's fine to be able to rotate images in EOG, and
> > to save the rotated image with the original filename-- provided you
> > don't just save the image automatically when the user rotates it, as
> > rotation is often lossy, and you don't want to be losing the user's
> > data behind their backs.
> 
> Rotating jpegs is lossless.  And that's a good reason to autosave
> on rotation :)

Actually, it can be lossy in some circumstances, see jpegtran's man page
which explains it better than I could (but, yes, for most cases, ie. the
image from a digital camera, it is lossless).

---
Bastien Nocera <hadess hadess net> 





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