[Poppler-bugs] [Bug 22216] New: problem with imagemasks

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=22216

           Summary: problem with imagemasks
           Product: poppler
           Version: unspecified
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: general
        AssignedTo: poppler-bugs at lists.freedesktop.org
        ReportedBy: williambader at hotmail.com


I have a pdf with an image mask that poppler does not handle correctly.
The file is a real estate ad that should have the faces of six realtors at the
bottom.  All six faces show with Acrobat Reader and with ghostscript, but
evince, xpdf and pdftops drop three of them.  The three faces that disappeared
on the bottom of the ad are photoshop psd files.  The other three were tiffs. 
The original pdf was created with Adobe InDesign on a Mac. I think that it is
drawing an imagemask through a pattern and that Gfx::doImage() does not support
masks with DecodeParms and Filter objects.  If I edit the pdftops output and
modify pdfImM1 to use "image" instead of "imagemask" (and also changing the
true/false polarity argument to 1 bit/pixel), the three missing faces show as
black shadows in white boxes.  I think that it is losing the image that should
be masked.  I tested ghostscript's pdf2ps to see what it produced.  It worked
for Level 2 output, but it had problems with Level 1 output.  The ad is just
black and white, but it is possible that the images that do not show use color.
 I reported the gs issue as http://bugs.ghostscript.com/show_bug.cgi?id=690297


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