[gs-devel] overlay text ontop of an image.

[Ken Sharp]

At 12:07 16/01/2012 -0700, Jeff Sadowski wrote:


>print redirect. I'd like the output of it to pop up a pdf file.
>Messing around with java I was able to use the ghostscript program
>along with pdftk to get the desired pdf file. I was wondering If there
>might be an easier way or a way to do the overlay in ghostscript and
>not need pdftk?

Its not clear to me where the PDFs are coming from (except the one with the 
text in it). Are these starting as PostScript too ? If so you could do the 
whole job in PostScript.


>then I use ghost script to make it into a pdf
>
>ps2pdf test.ps test.pdf
>
>then I used pdftk to overlay with a backgroud pdf images of the document
>
>pdftk test.pdf stamp document.pdf output page1.pdf
>pdftk test.pdf stamp document2.pdf output page2.pdf
>
>(could I have done that step with ghostscript?)

Yes, but not in a straight forward fashion, and if you did then you 
certainly wouldn't need:

>then I used ghostscript again to combine the pages
>
>gs -q -dNOPAUSE -dSAFER -dBATCH -sOutputFile=result1.pdf
>-sDEVICE=pdfwrite page1.pdf page2.pdf document3.pdf



>This works great but I was wondering if there was a way to do the
>overlay with ghostscript?

It depends what format the files start in, and how much effort you want to 
go to in programming in PostScript. Its certainly possible though.


             Ken