From: Till Kamppeter <till.kamppeter@gmail.com>
To: Michael Sweet <msweet@msweet.org>
Cc: "printing-architecture@lists.linux-foundation.org"
<printing-architecture@lists.linux-foundation.org>,
Jay Berkenbilt <ejb@ql.org>, Vikrant Malik <vikrant@iitk.ac.in>
Subject: Re: [Printing-architecture] Make use of extended color spaces on IPP printers
Date: Sun, 9 May 2021 21:26:09 +0200 [thread overview]
Message-ID: <11635c5c-deaf-94af-012e-36717fd6900e@gmail.com> (raw)
In-Reply-To: <663F1B36-C6A5-4261-8226-C659DC8DA871@msweet.org>
On 09/05/2021 15:41, Michael Sweet wrote:
>
>> Now for DeviceRGB (and DeviceGray) I assume that here the data is required in the printer's native color space. Am I right? But can I do true driverless printing with this? Can I download the printer's ICC profiles from the printer? And if yes, by which URL?
>
> So printers that support device RGB and device gray also support the "printer-icc-profiles" attribute, which allows you to determine which profile to use for a particular combination of Job Template attributes. In some cases a single profile is reported that represents the printer's internal working color space.
Unfortunately, this is not always the case. My HP OfficeJet Pro 8730 has
the following attributes
urf-supported (1setOf keyword) =
CP1,MT1-2-8-9-10-11,PQ3-4-5,RS300-600,SRGB24,OB10,W8,DEVW8,DEVRGB24,ADOBERGB24,DM3,FN3,IS1-2,V1.4pwg-raster-document-type-supported
(1setOf keyword) = sgray_8,srgb_8,adobe-rgb_8,rgb_8
but no "printer-icc-profiles" attribute. So for Apple Raster it supports
Device Gray and Device RGB and for PWG Raster input it supports at least
Device RGB ("rgb_8"?), but there is no information about how to download
the appropriate ICC profiles from the printer, meaning that these device
color spaces are unusable for true driverless printing. Am I right?
Till
next prev parent reply other threads:[~2021-05-09 19:26 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-27 17:46 [Printing-architecture] Human-readable strings for standard IPP options/choices/attributes/propertirs Till Kamppeter
2021-04-27 18:02 ` Michael Sweet
2021-04-27 18:10 ` Till Kamppeter
2021-04-28 8:17 ` Till Kamppeter
2021-04-28 11:43 ` Michael Sweet
2021-05-07 18:52 ` [Printing-architecture] Make use of extended color spaces on IPP printers Till Kamppeter
2021-05-07 19:53 ` Michael Sweet
2021-05-07 22:11 ` Till Kamppeter
2021-05-08 0:04 ` Michael Sweet
2021-05-08 23:52 ` Solomon Peachy
2021-05-09 1:24 ` Michael Sweet
2021-05-09 2:24 ` Solomon Peachy
2021-05-09 2:54 ` Michael Sweet
2021-05-09 8:20 ` Till Kamppeter
2021-05-09 13:41 ` Michael Sweet
2021-05-09 14:03 ` Solomon Peachy
2021-05-09 20:32 ` Michael Sweet
2021-05-09 19:26 ` Till Kamppeter [this message]
2021-05-09 20:34 ` Michael Sweet
2021-05-09 20:43 ` Till Kamppeter
2021-05-09 21:03 ` Michael Sweet
2021-05-08 22:45 ` Till Kamppeter
2021-05-09 1:38 ` Solomon Peachy
2021-05-09 9:20 ` Till Kamppeter
2021-05-09 13:49 ` Michael Sweet
2021-05-09 20:14 ` Till Kamppeter
2021-05-09 20:55 ` Michael Sweet
2021-05-09 21:31 ` Till Kamppeter
2021-05-10 1:08 ` Michael Sweet
2021-05-27 18:04 ` Till Kamppeter
2021-05-27 19:04 ` Solomon Peachy
2021-05-28 12:59 ` Michael Sweet
2021-05-29 19:19 ` Till Kamppeter
2021-05-29 22:32 ` Michael Sweet
2021-05-30 19:56 ` Till Kamppeter
2021-05-30 20:53 ` Michael Sweet
2021-05-30 21:50 ` Till Kamppeter
2021-05-31 3:12 ` Michael Sweet
[not found] ` <d5082b23-8eb7-be84-db5c-42bdde3ba5ac@canonical.com>
2021-05-31 13:24 ` Michael Sweet
2021-05-31 15:03 ` Till Kamppeter
2021-05-31 18:13 ` Michael Sweet
2021-05-31 19:38 ` Till Kamppeter
2021-06-01 0:54 ` Michael Sweet
2021-05-25 17:43 ` Till Kamppeter
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