[gs-bugs] [Bug 691984] New: Antialiasing on graphics is very slow

bugzilla-daemon at ghostscript.com bugzilla-daemon at ghostscript.com
Sat Feb 19 17:15:09 UTC 2011


           Summary: Antialiasing on graphics is very slow
           Product: Ghostscript
           Version: HEAD
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P4
         Component: X Display Driver
        AssignedTo: hintak at ghostscript.com
        ReportedBy: a_becker at live.de
         QAContact: gs-bugs at ghostscript.com
   Estimated Hours: 0.0

Created an attachment (id=7262)
 --> (http://bugs.ghostscript.com/attachment.cgi?id=7262)
eps-file that is rendered very slow when antialiasing is turned on

Antialiasing with -dGraphicsAlphaBits=2 or greater is extremely slow for the
attached eps file. The problem also occurs when the eps file is converted to
pdf and then displayed. Poppler/evince can render the pdf file fast.
The eps file contains a diagram with many (ca. 3300) lines.

I think the antialiasing algorithm is not optimized enough in ghostscript.

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