[gs-bugs] [Bug 692350] New: Highlights on glyphs with TextAlphaBits > 1 on gs903 branch

[bugzilla-daemon at ghostscript.com]

http://bugs.ghostscript.com/show_bug.cgi?id=692350

           Summary: Highlights on glyphs with TextAlphaBits > 1 on gs903
                    branch
           Product: Ghostscript
           Version: master
          Platform: PC
        OS/Version: Windows XP
            Status: NEW
          Severity: normal
          Priority: P4
         Component: Text
        AssignedTo: ken.sharp at artifex.com
        ReportedBy: sags5495 at hotmail.com
         QAContact: gs-bugs at ghostscript.com


The following command:

    gswin32c -dTextAlphaBits=4 -r300 "attachment 6537#.ps"

displays the glyphs with some sort of while lines or highlights on most of the
glyphs. ("attachment 6537#.ps" is the "Simple sample file" from Bug # 691494.)
I don't see these artifacts on the master branch.

The resolution does not really matter, but the higher the more clear the white
lines are. At low resolutions, the glyphs look just "broken".

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