Am 21.06.2016 um 13:12 schrieb Robert Van Gemert:
Hi,

I wish to use pdf as a graphics overlay over video so I need to make the
page background transparent or remove it. Can I use pdfbox to preprocess a
pdf file?
My OS is Android. Initial tests show I cannot use pdfbox for rendering but
preprocessing may work.

Thanks,

Robert


This is difficult to answer as there may be many methods to put a "background". There is no <BACKGROUND="image.jpg"/> command in PDF. Does your question apply to one specific PDF or to all possible PDFs in the world? If only one, please upload it somewhere.

Tilman


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