[Poppler-bugs] [Bug 32340] pdftohtml renders images vertically flipped

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=32340

--- Comment #1 from Ihar Filipau <thephilips at gmail.com> 2012-03-06 14:22:26 PST ---
Per chance I have found that pdf2xml (based on Xpdf) internally calculates the
flip of the images.

In the file:
http://pdf2xml.cvs.sourceforge.net/viewvc/pdf2xml/pdf2xml/src/XmlOutputDev.cc?revision=1.13&view=markup
search for the "Flip" to see how the flips are identified.

Probably flip of the image itself is too much to ask for from the pdftohtml
itself.

But it would have been nice if pdftohtml at least somehow stored the fact that
the image requires the x or y flip, e.g. in the file name using a special tag
(for example: xflip, yflip, xyflip). That would at least allow during further
(automated) processing of the output to correct the problem.

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