[argyllcms] Re: OT: PDF frustration
- From: Kai-Uwe Behrmann <ku.b@xxxxxx>
- To: Till Kamppeter <till.kamppeter@xxxxxxxxx>
- Date: Mon, 6 Oct 2008 07:43:07 +0200 (CEST)
Hello Till,
Thanks for joining.
...
Am 05.10.08, 22:31 +0200 schrieb Till Kamppeter:
> Hi,
>
> I am Till Kamppeter, leader of the OpenPrinting project at the Linux
> Foundation.
>
> As most of you know, one of the projects of OpenPrinting is replacing
> PostScript by PDF as standard print job format. Perhaps this has made this
> thread come up.
>
> Here is a page with everything about the PDF printing workflow: Motivation,
> how to set it up, and many links:
>
> http://www.linuxfoundation.org/en/OpenPrinting/PDF_as_Standard_Print_Job_Format
Unfortunedly this page apears empty; ah the last letters is missed:
http://www.linuxfoundation.org/en/OpenPrinting/PDF_as_Standard_Print_Job_Format
> In Ubuntu Intrepid I have already implemented the PDF printing workflow.
>
> One piece to get a PDF printing workflow on a CUPS-based Linux/Unix system are
> the ...topdf, pdftopdf, pdfto... CUPS filters, which Koji Otani (BBR Inc.
> Japan) and Tobias Hoffmann (Google Summer of Code) have written. Otanis-san
> has written all his filters based on Poppler, including pdftoraster.
>
> Kai-Uwe, as you told in your posting we can expect full color management
> support earlier in Ghostscript than in Poppler. Therefore I started to create
> a pdftoraster filter based on Ghostscript. Unfortunately, the "cups" output
> device of Ghostscript or the PDF interpreter of Ghostscript have a bug which
> prevents Ghostscript from rendering PDF with the "cups" output device. With
> PostScript input it works perfectly. I have filed a bug report at Ghostscript:
>
> http://bugs.ghostscript.com/show_bug.cgi?id=690101
Thanks for this work. I am about looking into.
> If anyone volunteers for fixing this bug, I will happily upload the fix into
> Ghostscript's SVN repository and replace Otani-sans pdftoraster by my
> pdftoraster.
>
> Till
kind regards
Kai-Uwe Behrmann
--
developing for colour management
www.behrmann.name + www.oyranos.org
> Kai-Uwe Behrmann wrote:
> > Am 04.10.08, 11:44 -0700 schrieb Hal V. Engel:
> > > handle it at the application level (like today). The sad part about this
> > > is that ghostscript already has some CM capabilities thanks to Graeme and
> > > the ghostscript team is in the process of implementing complete support.
> > > A PDF to raster CUPS filter based on ghostscript instead of poppler would
> > > likely have had full CM support long before most users systems had been
> > > converted to a PDF based printing work flow and all of these systems would
> > > have had CM by default at that point as part of the printing system.
>
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