[cairo-bugs] [Bug 17973] New: Miter artifact for dashed strokes.

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=17973

           Summary: Miter artifact for dashed strokes.
           Product: cairo
           Version: 1.8.1
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: general
        AssignedTo: cworth at cworth.org
        ReportedBy: jpihlaja at cc.helsinki.fi
         QAContact: cairo-bugs at cairographics.org


Created an attachment (id=19491)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=19491)
Miter quad where it shouldn't be.

The attached test case strokes a dashed line that turns a corner when the next
dash is about to start. The output shows an extra rectangle in the upper right
corner from a wrong miter join that shouldn't be there.  The path being stroked
is the top and right edges of a square, and the dash pattern is 50% on / 50%
off for each edge.

Expected:

####
####      ####
          ####
          ####

Got:

####        ## <- huh?
####      ####
          ####
          ####


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