[Openicc] What is exactly needed for color management ... Rendering INtent

Jan-Peter Homann homann at colormanagement.de
Tue May 31 14:02:39 PDT 2011

Hello Richard and all,
So far as I know, 99,9 % of the PDF spool file under LINUX are currently 
deviceRGB encoded containing no information for rendering intents.

In this case, the Default Rendering Intent of gstoraster will be used. 
Please make shure, that this is either perceptual or relative 
colorimetric with blackpoint compensation (if supported from GhostScript).

 From the implementation level, it would be much easier to change per 
document the rendering intent in GhostScript, than to update the 
toolkits for pdf print spool file generation and the applications which 
are triggering the print spool file generation...

I would like to see in CPD an "Adcanced Option" which allows the user to 
set the Intent used in gstoraster as default INtent.

Best regards

Am 31.05.11 22:44, schrieb Richard Hughes:
>> Rendering Intents:
>> How do you handle the rendering intent from target colorspace (e.g. sRGB) to
>> the printer profile, if the PDF spool file is DeviceRGB ?
> I'm not sure I understand the question. I'm assuming the pdf/ps file
> when it gets to the gstoraster stage has some kind of information
> about the rendering intent to use for each object. There's certainly
> nothing we can use as a heuristic reliably, and this will be a
> per-application or even per-document setting.
> Richard.

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