[Okular-devel] [Bug 177011] New: Rendering large PNG fails when zoom >= 84%

[Benoît Jacob]

http://bugs.kde.org/show_bug.cgi?id=177011

           Summary: Rendering large PNG fails when zoom >= 84%
           Product: okular
           Version: unspecified
          Platform: Compiled Sources
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: okular-devel at kde.org
        ReportedBy: jacob.benoit.1 at gmail.com


Version:            (using Devel)
Compiler:          gcc 4.3.0 
OS:                Linux
Installed from:    Compiled sources

I'm viewing this large PNG image:
http://hemswell.lincoln.ac.uk/~padams/kde-413.png

When I set a zoom level >= 84%, nothing gets rendered and I can only see a
blank white document. 

At lower zoom level, after a few CPU-intensive seconds, the document renders
correctly. Even at 83.5%.

Some libpng version information:
gaston at kiwi:~$ ldd prefix/bin/okular | grep png
        libpng12.so.0 => /usr/lib/libpng12.so.0 (0xb6622000)
gaston at kiwi:~$ ls -l /usr/lib/libpng12.so
lrwxrwxrwx 1 root root 18 2008-03-25 20:49 /usr/lib/libpng12.so ->
libpng12.so.0.15.0


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