After two days of searching, clicking through hundreds of links, downloading tens of files, trying, browsing, etc, I decided it was about time to give up and ask for help!
I need to process some PDFs, mostly "black-and-whitening" them, that is, converting color boxes and text into black and white. It's not the same as "printing" in black and white though, as I want to replace boxes filled with some color with ones with no color fills and change the corresponding white or light colored text with black text.
Example:
From this: to this:
I'd like to do this in Delphi, but I can do in a million other languages such as Perl, PHP, Python, Java, C# or whatever. I have one restriction though: the library has to be either free or open-source, but this restriction can be waived if there's nothing free or open-source that I can use to solve the problem...
Does anyone know of a library that will allow me to do that? Open a PDF file, loop through all the objects and change characteristics as I see fit, and finally saving the edited file
If you know such a library/tool, please leave a comment... Thank you.
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