[Gimp-user] Whither CMYK?

2011-09-20 Thread john Culleton

About once a year I ask about a  capability to output a file from
Gimp in pdf format and the CMYK color model. In addition it would be
nice if this output was in the PDF X/1-a:2001 format, to satisfy
certain fussy printers. I know there are external converters like
ImageMagick. It would however be nice if after all these years Gimp
catered to the needs of the printing industry.   
-- 
John Culleton
Wexford Press
Create Book Covers with Scribus
http://www.booklocker.com/books/4055.html
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Re: [Gimp-user] Whither CMYK?

2011-09-20 Thread Alexandre Prokoudine
On Tue, Sep 20, 2011 at 11:27 PM, john Culleton wrote:

 About once a year I ask about a  capability to output a file from
 Gimp in pdf format and the CMYK color model. In addition it would be
 nice if this output was in the PDF X/1-a:2001 format, to satisfy
 certain fussy printers. I know there are external converters like
 ImageMagick. It would however be nice if after all these years Gimp
 catered to the needs of the printing industry.

GIMP only got PDF exporting in upcoming v2.8. This exporter uses
Cairo. Cairo doesn't support CMYk and spot colors. Therefore
requesting CMYK PDF exporting will start making sense only after Cairo
gets support for CMYK  and spot colors.

Alexandre Prokoudine
http://libregraphicsworld.org
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Re: [Gimp-user] Whither CMYK?

2011-09-20 Thread john Culleton
On Tue, 20 Sep 2011 23:38:20 +0400
Alexandre Prokoudine alexandre.prokoud...@gmail.com wrote:

 On Tue, Sep 20, 2011 at 11:27 PM, john Culleton wrote:
 
  About once a year I ask about a  capability to output a file from
  Gimp in pdf format and the CMYK color model. In addition it would be
  nice if this output was in the PDF X/1-a:2001 format, to satisfy
  certain fussy printers. I know there are external converters like
  ImageMagick. It would however be nice if after all these years Gimp
  catered to the needs of the printing industry.
 
 GIMP only got PDF exporting in upcoming v2.8. This exporter uses
 Cairo. Cairo doesn't support CMYk and spot colors. Therefore
 requesting CMYK PDF exporting will start making sense only after Cairo
 gets support for CMYK  and spot colors.
 
 Alexandre Prokoudine
 http://libregraphicsworld.org
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I am reminded of my old sergeant in Korea who told me: Young
soldier, don't tell me why you can't do it---tell me how you did it. 

Scribus does CMYK. Scribus also uses Cairo. If Gimp ever hopes to
compete on an even keel with PhotoShop or even Scribus it should offer
CMYK output too. It is an absolute requirement for printed output.

While we are on the topic of outputs, for years the PostScript output
from Gimp has had default X and Y offset values of 5mm. The default
should be zero of course. I used to go in and patch the source code for
Gimp to zero out the offset defaults. Now I don't bother any more.


-- 
John Culleton
Wexford Press
Create Book Covers with Scribus
http://www.booklocker.com/books/4055.html
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Re: [Gimp-user] Whither CMYK?

2011-09-20 Thread Alexandre Prokoudine
On Wed, Sep 21, 2011 at 12:19 AM, john Culleton wrote:

 GIMP only got PDF exporting in upcoming v2.8. This exporter uses
 Cairo. Cairo doesn't support CMYk and spot colors. Therefore
 requesting CMYK PDF exporting will start making sense only after Cairo
 gets support for CMYK  and spot colors.

 I am reminded of my old sergeant in Korea who told me: Young
 soldier, don't tell me why you can't do it---tell me how you did it.

 Scribus does CMYK. Scribus also uses Cairo.

Scribus doesn't use Cairo for PDF output, it uses its own custom library.
It was ever so. Cairo is used only for display output.

 If Gimp ever hopes to compete on an even keel with PhotoShop or even
 Scribus it should offer CMYK output too. It is an absolute requirement for
 printed output.

As software GIMP isn't defined by its developers through competition
against any other software. Hence GIMP dosn't aim to compete against
anything else, it aims to suit the needs of professionals.

 While we are on the topic of outputs, for years the PostScript output
 from Gimp has had default X and Y offset values of 5mm. The default
 should be zero of course. I used to go in and patch the source code for
 Gimp to zero out the offset defaults. Now I don't bother any more.

The trick was to report it and, since you already have the patch,
attach it to your report. Please don't expect developers to gain a
long distance control over your mind and scan it for complants on GIMP
:)

Alexandre Prokoudine
http://libregraphicsworld.org
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Re: [Gimp-user] Whither CMYK?

2011-09-20 Thread john Culleton
On Wed, 21 Sep 2011 00:31:13 +0400
Alexandre Prokoudine alexandre.prokoud...@gmail.com wrote:


 As software GIMP isn't defined by its developers through competition
 against any other software. Hence GIMP dosn't aim to compete against
 anything else, it aims to suit the needs of professionals.

Understood. Professionals in the world of the printed word need CMYK.
 

-- 
John Culleton
Wexford Press
Create Book Covers with Scribus
http://www.booklocker.com/books/4055.html
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