[Openicc] cupsICC on remote CUPS servers Part 2
homann at colormanagement.de
Thu May 19 06:58:57 PDT 2011
Hello Hal and all,
So far as I understand, we have no possibility to pull the ICC profiles
on a remote CUPS Server, but instead it is widely used, that a PPD is
pulled from the remote CUPS server.
I´m not developer, but I´m working regularly together with developers.
From this experience, the manipulation of pure ASCII files like a PPD
is not something very complicated.
Is it really a lot of work to create e.g. a basic PPD without color
relevant entries and update the color relevant entries from profile
Divtype metadata, which are installed on on the remote CUPS server ?
Lets assume, that the DictType Metadata in the ICC-profile contains the
qualifiers for cupsICC, and the profiles are already installed in the
correct folder for the cupsICC workflow.
What we would have to do would be mainly:
- Parse all ICC-profiles in CUPS profile directory
- read cupsICC qualifiers and profile filename from every profile
- create PPD entry for color relevant data
- merge color relevenat PPD data with standard PPD data
- let CUPS clients pull the updated PPD
Is this a way could solve the color problems, we have currently with the
remote CUPS print path ?
Am 18.05.11 19:46, schrieb Hal V. Engel:
> > >
> > > 1) Dynamic updating of PPDs for a remote CUPS server
> > > Are there tools available, which allow to update automatically a PPD
> > > representing a remote CUPS server ?
> > > The use case here would be the installation of new combinations of
> > > ICC-profiles with assigned driver settings on the CUPS server with an
> > > automatic update of the cupsICC entries in the PPD.
> There are no tools that exist for this. In addition the PPD files are
> intended for printer/driver vendors and the whole setup is designed to
> be static. So currently using PPD files for dynamic configuration is
> not possible and will require a lot of work to change.
> > >
> > >
> > > 2) CUPS client pulling PPD from the remote CUPS server
> > > Are tools available, which allow a CUPS cleint to pull a PPD from the
> > > remote CUPS server ?
> > > (The usecase here is, that the printing GUI for sending a print job
> > > gets an update, which driver settings (media / resolution) are
> > > available at the remote server.
> This is already in place and widely used.
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