[scribus] RGB to CMYK not using ICC profile for R=G=B colors

Patrick Noffke patrick.noffke at gmail.com
Wed Dec 21 19:50:05 UTC 2011


On Wed, Dec 21, 2011 at 10:04 AM, john Culleton <John at wexfordpress.com>wrote:

> On Wed, 21 Dec 2011 09:12:11 -0600
> Patrick Noffke <patrick.noffke at gmail.com> wrote:
>
> > >
> > LittleCMS is used for the color transforms, but not for writing the
> > PDFs. Plus, I found and changed the code that checks if R=G=B, and
> > for spot colors, anyway, it did what I expect after my changes.  I am
> > still trying to understand what Scribus is doing with the RGB images
> > when writing PDF/X-3 files.
> >
> > Pat
>
> Since the X-3 spec allows for RGB objects I expect that Scribus
> will leave them unconverted.
>
>
It does indeed do that.  I installed the trial version of Acrobat and other
Adobe tools, and I am able to see that the images are stored as RGB, with
the sRGB IEC61966-2.1 profile associated with the images.  And the
rendering intent that I specify for each image is correctly set.

Thanks,
Patrick
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