[Openicc] - CM Framework - Printer Driver -

[Michael Sweet]

On Jun 21, 2011, at 8:30 AM, Jan-Peter Homann wrote:
> Hello Richard,
> I would recommend to embed the driver informations into CUPS raster file as IPP attribute. like Till described it for CPD.

You don't embed IPP attributes in CUPS raster data. IPP attributes are passed when the job is created and are provided in argv[5] to the print filters. The CUPS raster data only shows what information is specified in the PPD file for the selected/marked options.

> 
> we may should also consider to register at the ICC a Metdata Type for Gutenprint driver settings.
> 
> I will ask at the ICC about the necessary steps, that we are prepared to do in near future.
> 
> Best regards
> Jan-Peter
> 
> Am 21.06.11 16:20, schrieb Richard Hughes:
>> On 21 June 2011 12:55, Robert Krawitz<rlk at alum.mit.edu>  wrote:
>>> CUPS constructs a filter chain, where the different parts of the chain
>>> are logically independent.  The Gutenprint CUPS driver merely converts
>>> CUPS-raster data into printer-specific bits.  If the input is a PDF
>>> file, CUPS interposes the appropriate filters to convert it to
>>> CUPS-raster.
>> Ahh, I've misunderstood then, apologies. I thought there was something
>> like pstogutenprint. In this case, the way I see colord passing
>> options to Gutenprint would be by embedding elements from the profile
>> into the CUPS-raster data. This could probably just be hardcoded, so
>> that if a GUTENPRINT_PROFILE tag exists in the ICC profile then we
>> just squirt this xml file into the raster data somehow.
>> 
>> Richard.
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> 
> 
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________________________________________________________________________
Michael Sweet, Senior Printing System Engineer, PWG Chair