[Poppler-bugs] [Bug 90009] New: Pattern image is repeated thousands of times, producing huge output

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90009

            Bug ID: 90009
           Summary: Pattern image is repeated thousands of times,
                    producing huge output
           Product: poppler
           Version: unspecified
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: high
         Component: general
          Assignee: poppler-bugs at lists.freedesktop.org
          Reporter: dshubin at accusoft.com

Created attachment 115049
  --> https://bugs.freedesktop.org/attachment.cgi?id=115049&action=edit
Files to reproduce the issue, see description.

When source PDF contains multiple references to the same image resource,
Poppler output has this image duplicated as many times.

The very original image is the attached slowpptx.pptx (80k). It was converted
to pdf using LibreOffice 4.3.1, resulting in attached slowpptx.lo.pdf (35k).
Result of 
> pdftocairo.exe -svg -f 1 -l 1 slowpptx.lo.pdf 
produces a 1.7M svg (slowpptx.lo.svg.zip), which contains the same image
duplicated 1741 times. Same thing happens with 
> pdftohtml.exe -f 1 -l 1 slowpptx.lo.pdf 
so I assume this is not related to Cairo. 

Thanks
Dmitry
(Internal ref PCC-22530)

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