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Save a pdf with inverted colors? (lemmy.world)

submitted 1 week ago by [email protected] to c/[email protected]

6 comments fedilink hide all child comments

Is there any way I can convert my PDF into a dark mode version without converting it into images first and invert that image and combine them, instead simply invert every element in the PDF and make it dark (preserving the original text and hyperlinks). appreciate any help!

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[–] [email protected] 19 points 1 week ago* (last edited 1 week ago) (1 children)

I don’t remember where I got this, I just jotted it down in my notes.

gs -o inverted.pdf -sDEVICE=pdfwrite -c "{1 exch sub}{1 exch sub}{1 exch sub}{1 exch sub} setcolortransfer" -f original.pdf

Edit: this might well be the original post I found: https://stackoverflow.com/a/30287097

[–] [email protected] 2 points 1 week ago

thx a lot!!!