[Poppler-bugs] [Bug 47186] New: pdftohtml: mask images are not extracted, unless they are JPEG

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=47186

             Bug #: 47186
           Summary: pdftohtml: mask images are not extracted, unless they
                    are JPEG
    Classification: Unclassified
           Product: poppler
           Version: unspecified
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: pdftohtml
        AssignedTo: poppler-bugs at lists.freedesktop.org
        ReportedBy: thephilips at gmail.com


Created attachment 58272
  --> https://bugs.freedesktop.org/attachment.cgi?id=58272
the patch

Mask images are not extracted, unless they are JPEG.

I have made a patch to extract the mask images as PNGs.

Patch is attached. Was generated by git-diff'ing on freshly cloned poppler
repository.

I have tested it on Debian Sid/AMD64 with several PDFs where I have observed
the problem.

Please review as I'm total n00b in the things PDF. If possible - commit.

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