[cups.general] CUPS 1.4.2 on CentOS6: Problems with -o fitplot option

[Helge Blischke]

Jan Hubený wrote:

> Dne 2.11.2011 12:40, Helge Blischke napsal(a):
>> Jan Hubený wrote:
>>
>>> Hello,
>>>
>>> we have problems with printing postscript (or pdf) files with the -o
>>> fitplot option on our server.
>>>
>>> Our server configuration is following
>>>
>>> CentOS 6, CUPS 1.4.2, ghostscript 8.70
>>>
>>> when we tested  the fitplot option with following commands:
>>>
>>> lpr -Pprinter -o fitplot  test.ps
>>> lp -d printer test.ps -o fitplot
>>>
>>> It seems that the option fitplot is completely ignored. The printer
>>> output is same as without this option. Further, it is not problem of one
>>> specific printer, the behaviour is same on all 40 printers in our
>>> company.
>>>
>>> Moreover we suppose that the problem  is in the CentOS distribution of
>>> CUPS because of this two reasons:
>>>
>>> 1) We test the cups print server with the identatical configration
>>> (files in /etc/cups/) and ppd's on Ubuntu server and the fitplot option
>>> works correctly on this configuration.
>>> 2) We have found a Redhat EL5 bug report which is quite similar to our
>>> problem and CentOS 6 is just free RedHat EL6 recompilation.
>>>     for the bug report see
>>>     https://bugzilla.redhat.com/show_bug.cgi?id=629932
>>>
>>> Finally, my questions:
>>>
>>> 1) Did anybody in this conference solve this problem (on CentOS6)? How
>>> (workaround)?
>>> 2) Is there a way how to test where in the cups filter chains is the
>>> fitplot option ignored on my server?
>>>
>>>
>>> With regards,
>>>
>>> Jan Hubeny
>>>
>>>
>> First, try using the option "fit-to-page" instead of "fitplot" as the
>> latter has been deprecated since 1.4.x (but should still be available).
> I tried both options (-o fitplot -o fit-to-page also loger variants -o
> fitplot=true and -o fit-to-page=true) without any success.
>>
>> Generally, I suspect the pdf to ps converter used in your distro does not
>> honour this option(s). In cups 1.4.x, the pdftops filter is essentially a
>> wrapper that calls whatever is availyble on the system - xpdf based
>> pdftops, poppler based pdftops, or ghostscript. The fitplot and
>> fir-to-page options are passed to the called pdf to ps converter but then
>> stripped off the options list for the following pstops filter to prevent
>> repeated (and possibly faulty) application.
>>
>> Without more information on the used filter chain and the implemented
>> utilities it is hard to guess more on this issue.
> I append the full CUPS log of incorrect CentOS filter chain and from
> correct Ubuntu filter chain.  The main difference I can see is that Cent
> OS iflters the ps file through pstops filter and sends it to printer.
> Ubuntu converts the ps file to pdf then makes some filtering then
> converts it back to ps via xpdf based filter and then sends it to
> printer via backend.  I will grab more info if needed.
> 
> Jan
> 
> 
> 
> 
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Could you please post (an URL to) the original input file?
And the PPD of the CendOS6 system?

Helge