[gs-bugs] [Bug 692287] New: inefficient clipping

bugzilla-daemon at ghostscript.com bugzilla-daemon at ghostscript.com
Fri Jun 17 10:54:33 UTC 2011


http://bugs.ghostscript.com/show_bug.cgi?id=692287

           Summary: inefficient clipping
           Product: MuPDF
           Version: unspecified
          Platform: PC
               URL: http://code.google.com/p/sumatrapdf/issues/detail?id=1
                    502
        OS/Version: Windows 7
            Status: NEW
          Severity: normal
          Priority: P4
         Component: fitz
        AssignedTo: tor.andersson at artifex.com
        ReportedBy: zeniko at gmail.com
         QAContact: gs-bugs at ghostscript.com
   Estimated Hours: 0.0


http://home.infidel.name/heinlein.pdf renders very slowly due to hundreds of
non-rectangular clipping areas forcing fitz/draw to render hundreds of pixmaps
with masks (profiling showed that fz_paint_pixmap_with_mask is responsible for
over 50% of the rendering time). Adobe Reader somehow manages this much more
efficiently...

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