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2024年12月31日 · Xpdf open source. Xpdf open source. Discussion about all of the open source Xpdf tools. 543 topics Page 1 ...

2020年9月24日 · Xpdf has a hook to allow skipping that step: look at pdftopng.cc, and search for "setNoComposite". The results will depend on the PDF content. For example, some PDF files draw a filled opaque white rectangle behind text columns, so the output doesn't have any useful transparency info.

2024年11月16日 · The Xpdf version is the same on Linux and Windows. If you prefer the Poppler version, you'll need to check and see if they have a Windows binary. (Poppler is an open source fork of Xpdf.)

2020年12月6日 · You could certainly build something based on the Xpdf code. You'd need to construct a new OutputDev subclass (look at SplashOutputDev and TextOutputDev), and monitor the drawing operations for things that look like colored boxes, symbols, etc. You'll need to take into account the possibility that those items can be drawn in any order.

2025年1月5日 · xpdf 3.04 -- font encoding behavior when launced from browser. by Corin » Fri Apr 08, 2022 7:32 pm. 2 Replies

2022年1月14日 · Re: Bug report: Segmentation fault xpdf-3.02 Post by derekn » Mon Jan 17, 2022 8:15 pm That's actually hitting two bugs, both fixed in the 3.03 release back in 2011.

2020年9月4日 · The version of pdftotext that's part of the Xpdf tools doesn't have a "-row" option. In any case, it sounds like you're looking for something that can do automated table detection. I've been thinking about that problem for a while, but I don't have any code (yet) that does it.

2019年5月21日 · That disables a heuristic in pdftotext that tries to guess font encodings. In some circumstances, extraction works better without the heuristic.

2018年10月21日 · Xpdf has been the best tool I've found among all the pdf libraries. I've been using the pdftotxt tool to convert many PDFs in English and Chinese to TXT format. I've run into a bunch of files where the conversion is not working as expected: Here is the PDF file to be converted: https://ufile.io/8uif6