tdf#82214 optimize performance for primitives

See svg bug doc, which is processed quite slowly. Beyond needing faster
renderers, there is also demand to improve the handling of primitives
created by SVG import.

Conflicts:
	drawinglayer/source/primitive2d/patternfillprimitive2d.cxx
	vcl/win/gdi/gdiimpl.cxx

Change-Id: I10992a5746b8b2d6b50e3ee3fe415a035685c9ba

1 files changed, 8 insertions, 0 deletions

diff --git a/basegfx/source/polygon/b2dlinegeometry.cxx b/basegfx/source/polygon/b2dlinegeometry.cxx
index b5163ec1c957..abf80ccc59ce 100644
--- a/basegfx/source/polygon/b2dlinegeometry.cxx
+++ b/basegfx/source/polygon/b2dlinegeometry.cxx
@@ -955,6 +955,14 @@ namespace basegfx
                         }
                     }
                 }
+                else
+                {
+                    // point count, but no edge count -> single point
+                    aRetval.append(
+                        createPolygonFromCircle(
+                            aCandidate.getB2DPoint(0),
+                            fHalfLineWidth));
+                }
 
                 return aRetval;
             }