Hey Guys,
Possibly a rhetorical question - but thought I might ask regardless.
Playing with postscript and implementing printer specific functions within
the Intermediate format.
To-date - I have been implementing a certain amount of commands within the
intermediate file to achieve my goals, things like;
<ps:ps-setup-code name=""
xmlns:ps="apache:fop:extensions:postscript"><< /OutputType (FINISHER
TRAY) >> setpagedevice</ps:ps-setup-code>
<ps:ps-setup-code name="media-selection"
xmlns:ps="apache:fop:extensions:postscript"><< /MediaPosition 0
>> setpagedevice</ps:ps-setup-code>
<ps:ps-setup-code name="output-tray"
xmlns:ps="apache:fop:extensions:postscript"><< /Duplex true >>
setpagedevice</ps:ps-setup-code>
Up till now, this has served me well, and larger commercial printers have no
quams in dealing with the output. However, today, whilst trying to print on
our FujiXerox ApeosPort 650I (I'd say a SME sized printer) - the duplex
functions were not working correctly.
This turned out to be because the printer is finicky enough to have a
problem if on the reverse side of a duplex set, the PageSize is defined, it
ignores the request completely. I found if I remove the offending Page Size
(and other codes I may have added), the process works.
This is the offending section:
%FOPBeginSetPageDevice
<<
/PageSize [595 842]
/ImagingBBox null
>> setpagedevice
%FOPEndSetPageDevice
So; if I attempt to remove the width/height attributes from the page
definition within the page sequence, as per below;
<page index="0" name="1" page-master-name="basicPage" width="595275"
height="841889">
The FOP parser gets narky with me and talks about a number format exception
( I assume translating the lack of width/height to output ):
javax.xml.transform.TransformerException: java.lang.NumberFormatException:
null
at
org.apache.fop.cli.InputHandler.transformTo(InputHandler.java:302)
at
org.apache.fop.cli.IFInputHandler.renderTo(IFInputHandler.java:77)
at org.apache.fop.cli.Main.startFOP(Main.java:174)
at org.apache.fop.cli.Main.main(Main.java:205)
Caused by: javax.xml.transform.TransformerException:
java.lang.NumberFormatException
So, the rhetorical part of the question is - is it worth trying to modify
FOP (and would I have my fingers removed) to deal with the lack of a
width/height in the transformer to Postscript, or am I forced to write a
secondary post processor on the PostScript file to look for a duplex, and
then remove those lines for the following page?
Hopefully, this makes sense.
Thanks
Martin
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