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Re: tag for edited file

From nospam <nospam@nospam.invalid>
Newsgroups rec.photo.digital, sci.engr.color, sci.image.processing
Subject Re: tag for edited file
Date 2020-07-21 10:13 -0400
Organization A noiseless patient Spider
Message-ID <210720201013177237%nospam@nospam.invalid> (permalink)
References <dapqa1.90u.19.1@news.alt.net> <s8m9ug-lu3.ln1@Telcontar.valinor> <180720201137364907%nospam@nospam.invalid> <bl5jug-11o.ln1@Telcontar.valinor>

Cross-posted to 3 groups.

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In article <bl5jug-11o.ln1@Telcontar.valinor>, Carlos E.R.
<robin_listas@es.invalid> wrote:

> > 
> >>> Taking it further, what about including each edited image in the file?
> >>
> >> making the file huge.
> > 
> > only if done incorrectly.
> 
> No way. Say the original is 10 Mb. Each modification saved is another 10 Mb.

that's doing it incorrectly.

the correct way to do it is by saving an edit list and replay it, not
saving a version of the entire image each time. 

each step is *tiny*, measured in bytes and replaying is *fast*,
especially when rendered on a gpu.

> >> However, that's an history file. The Gimp saves images that way, undo
> >> works.
> > 
> > saving the undo history in the image is silly. is that gimp's lame
> > attempt at non-destructive editing because they refuse to do it
> > correctly? if so, that's laughable.
> 
> Ha ha. They are doing it correctly. You are biased.

nope. they aren't doing it at all and have no immediate plans to do so.

they now claim that it might be added in version 3.2 (a change from
their previous claim which was a flat 'no'), except they haven't
figured out how to do it, according to their own road map.

the gimp is a toy, lacking features photoshop had 30 years ago and
*significantly* slower on the same hardware.

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Thread

tag for edited file dale <dale@dalekelly.org> - 2020-07-17 17:21 -0400
  Re: tag for edited file "Carlos E.R." <robin_listas@es.invalid> - 2020-07-18 00:45 +0200
    Re: tag for edited file nospam <nospam@nospam.invalid> - 2020-07-18 11:37 -0400
      Re: tag for edited file "Carlos E.R." <robin_listas@es.invalid> - 2020-07-21 15:03 +0200
        Re: tag for edited file nospam <nospam@nospam.invalid> - 2020-07-21 10:13 -0400
          Re: tag for edited file "Carlos E.R." <robin_listas@es.invalid> - 2020-07-21 21:33 +0200
            Re: tag for edited file nospam <nospam@nospam.invalid> - 2020-07-21 18:45 -0400
  Re: tag for edited file Martin Brown <'''newspam'''@nezumi.demon.co.uk> - 2020-07-18 16:34 +0100
  Re: tag for edited file dale <dale@dalekelly.org> - 2020-07-23 15:54 -0400
    Re: tag for edited file nospam <nospam@nospam.invalid> - 2020-07-23 16:04 -0400

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