update 2geom's copy to r2142

(bzr r12921)

1 files changed, 14 insertions, 5 deletions

diff --git a/src/2geom/circle.cpp b/src/2geom/circle.cpp
index 06eb4c2a1..d021882ea 100644
--- a/src/2geom/circle.cpp
+++ b/src/2geom/circle.cpp
@@ -88,7 +88,9 @@ void Circle::set(std::vector<Point> const& points)
     model.instance(*this, fitter.result(z));
 }
 
-
+/**
+ @param inner a point whose angle with the circle center is inside the angle that the arc spans
+ */
 EllipticalArc *
 Circle::arc(Point const& initial, Point const& inner, Point const& final,
              bool _svg_compliant)
@@ -98,10 +100,8 @@ Circle::arc(Point const& initial, Point const& inner, Point const& final,
     return e.arc(initial, inner, final, _svg_compliant);
 }
 
-void
-Circle::getPath(std::vector<Path> &path_out) {
-    Path pb;
-
+D2<SBasis> Circle::toSBasis()
+{
     D2<SBasis> B;
     Linear bo = Linear(0, 2 * M_PI);
 
@@ -110,6 +110,15 @@ Circle::getPath(std::vector<Path> &path_out) {
 
     B = B * m_ray + m_centre;
 
+    return B;
+}
+
+void
+Circle::getPath(std::vector<Path> &path_out) {
+    Path pb;
+
+    D2<SBasis> B = toSBasis();
+
     pb.append(SBasisCurve(B));
 
     path_out.push_back(pb);