shape ops work in progress

git-svn-id: http://skia.googlecode.com/svn/trunk@7738 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/experimental/Intersection/CurveIntersection.h b/experimental/Intersection/CurveIntersection.h
index 34cd6fb..b67ea7e 100644
--- a/experimental/Intersection/CurveIntersection.h
+++ b/experimental/Intersection/CurveIntersection.h
@@ -47,6 +47,8 @@
 bool intersect(const Cubic& cubic1, const Cubic& cubic2, Intersections& );
 // the following flavor uses quadratic approximation instead of convex hulls
 bool intersect2(const Cubic& cubic1, const Cubic& cubic2, Intersections& );
+// like '2', but iterates on centers instead of possible edges
+bool intersect3(const Cubic& cubic1, const Cubic& cubic2, Intersections& );
 bool intersect(const Cubic& cubic, Intersections& i); // return true if cubic self-intersects
 int intersect(const Cubic& cubic, const Quadratic& quad, Intersections& );
 int intersect(const Cubic& cubic, const _Line& line, Intersections& );