On Monday 14 July 2003 10:38 am, Mukund wrote:
> On Mon, Jul 14, 2003 at 10:16:24AM -0400, John Culleton wrote:
> | When one saves from Gimp to PNM I assume that is also an RGB format.
> | There is a program pnmtotiffcmyk which I have been using.  Unfortunately
> | my preferred typesetting engine, pdftex, now disallows TIFF graphics
> | because of the many variations of TIFF being produced. They allow JPEG, 
> | PNM and PDF formats for included images.
> Don't you think the problem lies with your preferred typesetting engine
> pdftex not allowing CMYK image formats instead?
> You could try tiff2ps on the generated CMYK TIFF and use the resulting
> PostScript file with TeX. You can convert that PostScript file to PDF
> with ps2pdf for use with pdftex.
> Mukund
They allow CMYK. They just don't allow TIFF any more, because of problems they 
have had.  They will accept JPG, PNM or PDF files with the CMYK color model. 
But other than going through multiple conversions as you suggest I don't know 
how to get from Gimp to a CMYK illustration. 

The other side of the problem, making color covers, is a bit easier. One can
produce the PNM from Gimp and then use pnmtotiffcmyk to convert. Many 
printers accept TIFF files if they are also CMYK.

Unless one is concerned with flesh tones the exact shades are not all that
critical. So I would welcome Sven's "five minute hack."  Could it be provided
as a plugin or something, with a warning label?

John Culleton
Able Typesetters & Indexers

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