[Openicc] What is exactly needed:... Profile for Draft mode ?
homann at colormanagement.de
Mon Jun 6 09:34:28 PDT 2011
Could You describe, why ICC profiles for draft mode are use less from
your point of view ?
How should data with differnt source profiles matched to draft mode
output without a valid ICC profile ?
I´m constantly using ICC profiles for offset printing on newspaper and I
think, the gamut is comparable to draft mode on standard papers.
From my point of view, a proper made ICC-profile is also for draft mode
a big help.
Am 06.06.11 17:13, schrieb Chris Murphy:
> 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.
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