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Merge branch 'master' of newgeom:newgeom
[modules/shaper.git] / src / GeomAlgoAPI / GeomAlgoAPI_EdgeBuilder.cpp
index 57afd7a6956fb9ae7c033c9997e72a4441a67529..5f3aba03e7ea68dd98e4a1db09a3ab2065826e20 100644 (file)
 #include <gp_Ax2.hxx>
 #include <gp_Circ.hxx>
 
-boost::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_EdgeBuilder::line(
-  boost::shared_ptr<GeomAPI_Pnt> theStart, boost::shared_ptr<GeomAPI_Pnt> theEnd)
+boost::shared_ptr<GeomAPI_Edge> GeomAlgoAPI_EdgeBuilder::line(
+    boost::shared_ptr<GeomAPI_Pnt> theStart, boost::shared_ptr<GeomAPI_Pnt> theEnd)
 {
   const gp_Pnt& aStart = theStart->impl<gp_Pnt>();
   const gp_Pnt& anEnd = theEnd->impl<gp_Pnt>();
 
   if (aStart.IsEqual(anEnd, Precision::Confusion()))
-    return boost::shared_ptr<GeomAPI_Shape>();
+    return boost::shared_ptr<GeomAPI_Edge>();
   if (Abs(aStart.SquareDistance(anEnd)) > 1.e+100)
-    return boost::shared_ptr<GeomAPI_Shape>();
+    return boost::shared_ptr<GeomAPI_Edge>();
   BRepBuilderAPI_MakeEdge anEdgeBuilder(aStart, anEnd);
-  boost::shared_ptr<GeomAPI_Shape> aRes(new GeomAPI_Shape);
+  boost::shared_ptr<GeomAPI_Edge> aRes(new GeomAPI_Edge);
   TopoDS_Edge anEdge = anEdgeBuilder.Edge();
   aRes->setImpl(new TopoDS_Shape(anEdge));
   return aRes;
 }
 
-boost::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_EdgeBuilder::lineCircle(
-    boost::shared_ptr<GeomAPI_Pnt> theCenter,
-    boost::shared_ptr<GeomAPI_Dir> theNormal, double theRadius)
+boost::shared_ptr<GeomAPI_Edge> GeomAlgoAPI_EdgeBuilder::lineCircle(
+    boost::shared_ptr<GeomAPI_Pnt> theCenter, boost::shared_ptr<GeomAPI_Dir> theNormal,
+    double theRadius)
 {
   const gp_Pnt& aCenter = theCenter->impl<gp_Pnt>();
   const gp_Dir& aDir = theNormal->impl<gp_Dir>();
@@ -40,8 +40,38 @@ boost::shared_ptr<GeomAPI_Shape> GeomAlgoAPI_EdgeBuilder::lineCircle(
   gp_Circ aCircle(gp_Ax2(aCenter, aDir), theRadius);
 
   BRepBuilderAPI_MakeEdge anEdgeBuilder(aCircle);
-  boost::shared_ptr<GeomAPI_Shape> aRes(new GeomAPI_Shape);
+  boost::shared_ptr<GeomAPI_Edge> aRes(new GeomAPI_Edge);
   TopoDS_Edge anEdge = anEdgeBuilder.Edge();
   aRes->setImpl(new TopoDS_Shape(anEdge));
   return aRes;
 }
+
+boost::shared_ptr<GeomAPI_Edge> GeomAlgoAPI_EdgeBuilder::lineCircleArc(
+    boost::shared_ptr<GeomAPI_Pnt> theCenter, boost::shared_ptr<GeomAPI_Pnt> theStartPoint,
+    boost::shared_ptr<GeomAPI_Pnt> theEndPoint, boost::shared_ptr<GeomAPI_Dir> theNormal)
+{
+  const gp_Pnt& aCenter = theCenter->impl<gp_Pnt>();
+  const gp_Dir& aDir = theNormal->impl<gp_Dir>();
+
+  double aRadius = theCenter->distance(theStartPoint);
+  gp_Circ aCircle(gp_Ax2(aCenter, aDir), aRadius);
+
+  const gp_Pnt& aStart = theStartPoint->impl<gp_Pnt>();
+  const gp_Pnt& anEnd = theEndPoint->impl<gp_Pnt>();
+
+  BRepBuilderAPI_MakeEdge anEdgeBuilder;
+  if (aStart.IsEqual(anEnd, Precision::Confusion())
+      || gp_Pnt(0, 0, 0).IsEqual(anEnd, Precision::Confusion()))
+    anEdgeBuilder = BRepBuilderAPI_MakeEdge(aCircle);
+  else
+    anEdgeBuilder = BRepBuilderAPI_MakeEdge(aCircle, aStart, anEnd);
+
+  boost::shared_ptr<GeomAPI_Edge> aRes(new GeomAPI_Edge);
+  anEdgeBuilder.Build();
+
+  if (anEdgeBuilder.IsDone())
+    aRes->setImpl(new TopoDS_Shape(anEdgeBuilder.Edge()));
+  else
+    aRes = boost::shared_ptr<GeomAPI_Edge>();
+  return aRes;
+}