Questions and postings pertaining to the usage of ImageMagick regardless of the interface. This includes the command-line utilities, as well as the C and C++ APIs. Usage questions are like "How do I use ImageMagick to create drop shadows?".
axelrose
Posts: 96 Joined: 2008-12-16T06:01:27-07:00
Post
by axelrose » 2009-09-10T03:23:36-07:00
Hello all,
can anybody give advice how to produce CMYK EPS?
I tried this:
Code: Select all
> convert -version
Version: ImageMagick 6.5.4-7 2009-08-03 Q16 http://www.imagemagick.org
Copyright: Copyright (C) 1999-2009 ImageMagick Studio LLC
> convert rose: -colorspace cmyk tif:/tmp/rose.tif
> exiftool /tmp/rose.tif | grep Photometric
Photometric Interpretation : CMYK
> convert tif:/tmp/rose.tif -colorspace cmyk /tmp/rose.eps
When I view the resulting "rose.eps" with Apple's Preview.app, which converts the EPS
to PDF, it is no longer a red one but a blue one.
Thanks for your time,
Axel.
axelrose
Posts: 96 Joined: 2008-12-16T06:01:27-07:00
Post
by axelrose » 2009-09-21T04:37:26-07:00
May I kindly ask if the color change is reproducible and whether this is a recognized bug?
axelrose
Posts: 96 Joined: 2008-12-16T06:01:27-07:00
Post
by axelrose » 2009-09-22T07:14:39-07:00
Using profiles works but only if the source file has a profile attached.
ok:
convert rose: -profile ISOcoated.icc rose.tif
convert rose.tif -profile ISOcoated.icc rose.eps
not ok:
convert rose: -colorspace cmyk rose.tif
convert rose.tif -profile ISOcoated.icc rose.eps
Nethertheless I think that EPS creation shouldn't convert red to blue when creating
an EPS with "-colorspace cmyk".