Python Multiple .PNG Files per PDF Page

Question

I am relatively new to the Python-PDF relationship. If I had a list of .PNG files/pictures, how would I go about creating a PDF document with these files/pictures? And is it possible to have, for example, 4 per page? I would not need any other formatting... the requirement is very basic.

Thanks

SYK · Accepted Answer · 2015-08-07 04:15:56Z

3

There may be a python-reportlab solution, but based on your requirement, you probably don't need it. You can simply use ImageMagick to accomplish the same.

First merge multiple PNGs into one PNG destined to be one page

montage -mode concatenate a*.png group_a.png
montage -mode concatenate b1.png b2.png b3.png b4.png group_b.png
...

Then simply

convert group_*.png one.pdf

The resulting PDF would have 2 pages, each of which contains multiple PNGs.

answered Aug 7, 2015 at 4:15

SYK

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Patrick Maupin · Accepted Answer · 2015-07-10 20:29:55Z

0

The python program img2pdf will store images into PDFs (it might not work on some PNGs, though), and there are several n-up examples in Python for putting multiple images on a page. My own library pdfrw has a 4-up example script with it. (The generic term for n-up for printing purposes is "page imposition", so that is sometimes a good search term.)

answered Jul 10, 2015 at 20:29

Patrick Maupin

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