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

[bugzilla-daemon at freedesktop.org]

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

           Summary: pdftohtml renders images vertically flipped
           Product: poppler
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: general
        AssignedTo: poppler-bugs at lists.freedesktop.org
        ReportedBy: jdorje at gmail.com


In pdftohtml, seen in the old pre-poppler version as well as in the (current?)
version used by calibre, sometimes when a PDF file is converted to html the
images are flipped vertically - mirrored that is, not rotated 180 degrees.

This can be seen in trying to pdftohtml the file
http://www.14ers.com/pdf/yale1_print.pdf - similarly if you import this into
calibre and convert it to an epub or other ebook format, the images are
flipped.

This was reported against pdftohtml years ago but apparently never acted on and
I presume the bug report was lost in the transition.  As far as I can tell,
there is no report on it in the poppler bugzilla.

More information may be found at the following old bug reports, or I can be
contacted on IRC.

http://bugs.calibre-ebook.com/ticket/227 <-- original report against calibre
http://sourceforge.net/tracker/index.php?func=detail&aid=1808775&group_id=45839&atid=444239
<-- original report against pdftohtml
http://bugs.calibre-ebook.com/ticket/7874 <-- duplicate report against calibre

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