[Poppler-bugs] [Bug 88971] [PATCH] Add a pdftops -preservecolorspace option to suppress optimization to DeviceRGB color space

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=88971

--- Comment #2 from William Bader <williambader at hotmail.com> ---
I am building postscript pages from EPS files. Some of the EPS files are
created from third-party PDFs by pdftops.  I made the optimization because one
of the sources of PDFs liked to embed gray logos as RGB images, and when the
resulting EPS files got on my pages, Adobe pre-press applications flagged the
RGB images and did a bad color separation.

I think that the underlying issue is that printing RGB images to a CMYK printer
is not a good idea.

The optimization has been in pdftops for over 3 years, and so far, only one
person has had a problem, while on the other hand, at one site where I
installed it, it has been processing about 1000 files a week including fixing
several files each week with RGB images.  So the optimization has about 300
wins to 1 loss.

In any case, if you think that it is better, I can make a new patch to make the
default preserve the color space and add a -optimizecolorspace option that
enables the optimization.

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