[GRLUG] Watermarking "Print" Queue

[Steve Romanow]

Check perzl.org

On 5/14/10, Adam Tauno Williams <awilliam at whitemice.org> wrote:
> On Fri, 2010-05-14 at 10:50 -0400, Roger Roelofs wrote:
>> Adam,
>>
>> On 5/14/10 10:29 AM, Adam Tauno Williams wrote:
>> > I've had this stupid task on my to-do list since Febuary of '08;  and
>> > while I take swings at it occasionally I never arrive at something that
>> > works.
>> > We have a COBOL application that spools out jobs in PCL [a crude PCL at
>> > that] on an AIX host.  I have a simple "queue" on that host which
>> > instead
>> > turns the print job into a PDF and mails it to the user (which is very
>> > popular).
>> > However, users want to do the same thing but have the PDF watermarked
>> > with
>> > "DRAFT".  I've tried various cocktails with enscript, pdftk, etc... but
>> > never found a working solution.
>> First I'd suggest converting to postscript as an intermediate format.
>> Postscript is easier to parse and manipulate than pdf.  You can convert
>> to pdf as the last step.
>> How would the users indicate they want the DRAFT watermark?
>
> It is a specific print queue [queues are defined in the COBOL
> application (AcuCOBOL) separately from the underlying system].
>
> I've just discovered that ImageMagick's composite command works
> extremely well for water marking:
>
> composite -dissolve 80% -compose bumpmap \
>   -gravity center ./Documents/Organizatis/MI/Draft.eps invoice.pdf 3.pdf
>
> creating a 3.pdf from invoice.pdf with the watermark from Draft.pdf.
>
> Now there is just the joy of finding an ImageMagick build that works on
> AIX 5.3.0.  Oh, joy.
>
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