Re: write a CUPS backend - generate PS

• Subject: Re: write a CUPS backend - generate PS
• From: Leen <email@hidden>
• Date: Mon, 30 Jun 2003 15:45:46 +0200
• User-agent: Mozilla/4.0 (compatible;MSIE 5.5; Windows 98)

Leen,

Before you go any further with the CUPS filter approach, I suggest you look at
http://developer.apple.com/documentation/Printing/Conceptual/
PDF_Workflow/index.html
From your description it sounds like PDF Workflow options will meet your needs. If you have any questions, please let me know.

-Paul


On Wednesday, June 25, 2003, at 01:50 AM, Leen wrote:

> Hi,
>
> In our workflow we want to start from a file with a certain file > format (e.g. a word document) and transform it to a PostScript file, > which we will then transform to a PDF file by using Acrobat Distiller > (Acrobat Distiller will be called by using Apple Events).
> So we don't want to generate a printed paper but we want a pdf which > we get by converting the postscript file.
>
> As a newbie to CUPS, I have some questions about the use of CUPS on > Mac OS X.
>
> I suppose that the transformation from a certain fileformat to PS will > be handled by the filters of CUPS and that we just need to write a > backend. (Please correct me if I'm wrong.)
> I wrote a small shell script and installed it in > /usr/libexec/cups/backend. I tried to execute it from the command line > and then I have he following problem:
> $DEVICE_URI
> is not specified, and it is not clear to me how this $DEVICE_URI > should be known.
>
> I also know that a printer should be added (I tried it on > http://localhost:631/printers).
> I thought I had to make a printer which had a device uri that starts > with "file:" as I want to transform the input to a ps (and not a pdf > or something else), but I didn't found how to do it.
>
> So for the moment it is not very clear to me where exactly I need to > start.
>
> My questions are
> - With which device uri do I have to add a printer? Do I need to > change things in the /etc/cups directory?
> - How must we make it clear that we want to generate a PS file from > the given input file?
> - What settings are needed so that when I print, my backend is > activated?
> - What must be done to activate the filters for transforming the file > to a PostScript file?
>
> Please can you give me some help for my problem?
>
> Thanks,
> Leen
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