[Okular-devel] [Bug 159732] New: Okular: 16-bit images in PDF documents are displayed all black

[Alan Braslau]

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http://bugs.kde.org/show_bug.cgi?id=159732         
           Summary: Okular: 16-bit images in PDF documents are displayed all
                    black
           Product: okular
           Version: 0.6.2
          Platform: Debian testing
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: PDF backend
        AssignedTo: okular-devel kde org
        ReportedBy: braslau free fr


Version:           0.6.2 (using KDE 4.0.2)
Installed from:    Debian testing/unstable Packages

16-bit/color RGB images included in a PDF file are not rendered correctly in okular, (as for kpdf and xpdf), yet display correctly using acroread.

Note that the original 16-bit/color (png or tiff) image files ARE correctly displayed by okular (and kpdf).

Note also that the PDF file must indeed contain 16-bit images, as many programs (such as pdflatex, imagemagick, ...) simply silently convert to 8-bit depth, whereas others (ConTeXt) do respect the full color depth.

See also bug#158165 (kpdf)