[Openicc] What is exactly needed: Embedded Profile in CUPS raster !!

edmund ronald edmundronald at gmail.com
Mon Jun 6 08:29:11 PDT 2011


 With all due respect, and speaking as a photographer, I am very happy with
what comes out of my Epsons at 720dpi, and when printing on matte media I
don't run them any finer; the prints are of the quality *I* need.
 Proofing may require super-resolution over a huge sheet, because that huge
sheet is many many pages, but I believe fine art printing does not always
require hi-rez once one cranks up the format on textured media.


On Mon, Jun 6, 2011 at 5:13 PM, Chris Murphy <lists at colorremedies.com>wrote:

> On Jun 6, 2011, at 7:39 AM, Richard Hughes wrote:
> > On 6 June 2011 14:21, Chris Murphy <lists at colorremedies.com> wrote:
> >> I'm unaware of any product that enables this inclusion of metadata.
> >
> > At the moment I'm working on another patch to GTK to be able to get
> > the internal state of the print dialog, which data I can use in
> > gcm-calibrate to add to the profile. I've still not decided on
> > metadata names, but I'm figuring just using the cupsICCQualifier
> > names, e.g. "cups_OutputMode" and then specifying lists using
> > "Normal,Draft,Best" as the key value.
> >
> > From a technical point of view, I'm planning to use argyllcms to
> > generate the profile, then open it in lcms in gcm-calibrate and add
> > the few DICT entries we need.
> OK but I'd say an ICC profile for a "Draft" mode on a printer is almost
> certainly useless. And might be questionable for "Normal". Almost certainly
> useful to build an ICC profile for "Best". However, an Epson printer doesn't
> use these terms, except for Draft. Everything else is "Fine" "Photo"
> "Superphoto" etc. Or there are specific resolutions specified. I surmise
> most inkjet printers are in the same boat, especially photo printers.
> So even if this information is included I'm not sure how helpful it is.
> Draft and Normal may not have profiles for them at all. While Best might
> need two or three profiles if there are multiple resolutions available
> providing meaningful behavioral differences requiring unique profiles for
> those settings.
> Chris
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