[gs-bugs] [Bug 691455] Stroking of sloppily authored paths goes wrong.

bugzilla-daemon at ghostscript.com bugzilla-daemon at ghostscript.com
Tue Jul 13 18:11:44 UTC 2010


http://bugs.ghostscript.com/show_bug.cgi?id=691455

Øyvind Kolås <pippin at gimp.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|INVALID                     |

--- Comment #14 from Øyvind Kolås <pippin at gimp.org> 2010-07-13 18:11:42 UTC ---
Inkscape where the logo was initially drawn exhibits a similar buggy behavior.
Based on these renderings it seems like GhostScript internally is using
strokepath to implement stroke.

It seems likely that the buggy behavior arises from insufficient precision in
the approximation of the last bit of the stroke to orient a line cap that is
"pasted"/unioned into the final shape. If it is possible to change this
computation to instead directly derive the incline from the curve coordinates
it seems like the rendering should match the correct one.

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