Using Krita for RGB to CMYK conversion.

If I import an rgb model jpg file to Krita, change the color
model to cmyk, 
then export the file to another name is this an efficient
way to convert from 
rgb to cmyk?

After the conversion, does  the on-screen image in Krita
have a gamut similar 
to the real gamut of the CMYK image?

The "best" format for my publishing program is
pdf. Krita doesn't offer that. 
Among the remaining choices which is the least lossy for
printing, jpeg or 
png? I can't use tiff in my publishing program (pdftex.)




-- 
John Culleton
Resources for every author and publisher:
http://wexf
ordpress.com/tex/shortlist.pdf
http://wexf
ordpress.com/tex/packagers.pdf
http:
//www.creativemindspress.com/newbiefaq.htm
http://www.gropenassoc.com/TopLevelPages/reference%
20desk.htm
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png is lossless.

-Tom

On Monday 10 December 2007 03:16:01 pm John Culleton wrote:
> If I import an rgb model jpg file to Krita, change the
color model to cmyk,
> then export the file to another name is this an
efficient way to convert
> from rgb to cmyk?
>
> After the conversion, does  the on-screen image in
Krita have a gamut
> similar to the real gamut of the CMYK image?
>
> The "best" format for my publishing program
is pdf. Krita doesn't offer
> that. Among the remaining choices which is the least
lossy for printing,
> jpeg or png? I can't use tiff in my publishing program
(pdftex.)


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all kde apps offer pdf - via printing

On Monday 10 December 2007, Tom Burdick wrote:
> png is lossless.
>
> -Tom
>
> On Monday 10 December 2007 03:16:01 pm John Culleton
wrote:
> > If I import an rgb model jpg file to Krita, change
the color model to
> > cmyk, then export the file to another name is this
an efficient way to
> > convert from rgb to cmyk?
> >
> > After the conversion, does  the on-screen image in
Krita have a gamut
> > similar to the real gamut of the CMYK image?
> >
> > The "best" format for my publishing
program is pdf. Krita doesn't offer
> > that. Among the remaining choices which is the
least lossy for printing,
> > jpeg or png? I can't use tiff in my publishing
program (pdftex.)
>
> _______________________________________________
> kimageshop mailing list
> kimageshopkde.org
> http
s://mail.kde.org/mailman/listinfo/kimageshop



-- 
best regards / venlig hilsen
Casper Boemann
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On Monday 10 December 2007, Tom Burdick wrote:
> png is lossless.
png doesn't support CMYK.

-- 
Cyrille Berger
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On Monday 10 December 2007 04:25:24 pm Casper Boemann
wrote:
> all kde apps offer pdf - via printing
>
> On Monday 10 December 2007, Tom Burdick wrote:
> > png is lossless.
> >
> > -Tom
> >
> > On Monday 10 December 2007 03:16:01 pm John
Culleton wrote:
> > > If I import an rgb model jpg file to Krita,
change the color model to
> > > cmyk, then export the file to another name is
this an efficient way to
> > > convert from rgb to cmyk?
> > >
> > > After the conversion, does  the on-screen
image in Krita have a gamut
> > > similar to the real gamut of the CMYK image?
> > >
> > > The "best" format for my publishing
program is pdf. Krita doesn't offer
> > > that. Among the remaining choices which is
the least lossy for
> > > printing, jpeg or png? I can't use tiff in my
publishing program
> > > (pdftex.)
> >
> > _______________________________________________
> > kimageshop mailing list
> > kimageshopkde.org
> > http
s://mail.kde.org/mailman/listinfo/kimageshop

True, but I am not quite there yet. My first attempt to
print to a pdf file 
yielded just the upper left hand corner of the image in the
output pdf file, 
about 1/8 of the total. My attempt to preview the output
yielded a blank 
white page in the preview. 

My test image is a photo of 901884 bytes. 

Probably there is a density vs. papersize problem but I
can't find settings 
for these in the print routine. Well, there is  papersize
option but it is 
grayed out. 

-- 
John Culleton
Resources for every author and publisher:
http://wexf
ordpress.com/tex/shortlist.pdf
http://wexf
ordpress.com/tex/packagers.pdf
http:
//www.creativemindspress.com/newbiefaq.htm
http://www.gropenassoc.com/TopLevelPages/reference%
20desk.htm
_______________________________________________
kimageshop mailing list
kimageshopkde.org
http
s://mail.kde.org/mailman/listinfo/kimageshop

On Monday 10 December 2007, John Culleton wrote:
> True, but I am not quite there yet. My first attempt to
print to a pdf file
> yielded just the upper left hand corner of the image in
the output pdf
> file, about 1/8 of the total. My attempt to preview the
output yielded a
> blank white page in the preview.
>
> My test image is a photo of 901884 bytes.
>
> Probably there is a density vs. papersize problem but I
can't find settings
> for these in the print routine. Well, there is 
papersize option but it is
> grayed out.
sorry - yes krita and printing doesn't work very well
together in 1.6




-- 
best regards / venlig hilsen
Casper Boemann
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