[cups.development] Unconditional filters

[Michael Sweet]

Jan Engelhardt wrote:
> On Nov 14 2006 08:54, Michael Sweet wrote:
>> Jan Engelhardt wrote:
>>> is there a way to place an unconditional filter (gziptoany is such a 
>>> kind) into the chain of filters - without the need to modify the source?
>> For a post-filter, use the CUPS 1.2 port monitor support.
>>
>> We have some plans to add pre-filter support in a future CUPS release.
> 
> If a post-filter is what I think it is, then it is probably not much use 
> to me, since I need the job data as-is, that is, in its original form 
> (mostly Postscript) rather than printer language.
>     Pre-filter is also a little problematic unless the gziptoany filter 
> becomes such a (configurable) pre-filter - my filter is after gzip, but 
> before any printer language conversion, so that I can assure that input 
> is mostly postscript, text/plain or image/something.

About all you can do right now is use a custom PPD or interface
script that then runs the appropriate CUPS filters after your own.

The pre-filter would come after the gziptoany filter but before the
other job filters.

-- 
______________________________________________________________________
Michael Sweet, Easy Software Products           mike at easysw dot com
Internet Printing and Document Software          http://www.easysw.com