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Copyright update 2020
[modules/shaper.git] / src / GeomAPI / GeomAPI_Ellipse.cpp
index c9384724ac380a8ea90abedfbdb278e172b37652..fcfbbb3363f5f663f1265a8a57e27d8101e56924 100644 (file)
@@ -1,4 +1,4 @@
-// Copyright (C) 2017-2019  CEA/DEN, EDF R&D
+// Copyright (C) 2017-2020  CEA/DEN, EDF R&D
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
 
 #include "GeomAPI_Ellipse.h"
 #include "GeomAPI_Ax2.h"
+#include "GeomAPI_Curve.h"
 #include "GeomAPI_Pnt.h"
 
+#include <Geom_Ellipse.hxx>
+#include <GeomAPI_ProjectPointOnCurve.hxx>
+#include <GeomLib_Tool.hxx>
 #include <gp_Elips.hxx>
 
 #define MY_ELIPS implPtr<gp_Elips>()
@@ -35,6 +39,16 @@ GeomAPI_Ellipse::GeomAPI_Ellipse(const std::shared_ptr<GeomAPI_Ax2>& theAx2,
 {
 }
 
+GeomAPI_Ellipse::GeomAPI_Ellipse(GeomCurvePtr theCurve)
+{
+  GeomCurvePtr anUntrimmedCurve = theCurve->basisCurve();
+  Handle(Geom_Curve) aCurve = anUntrimmedCurve->impl<Handle(Geom_Curve)>();
+  Handle(Geom_Ellipse) anEllipse = Handle(Geom_Ellipse)::DownCast(aCurve);
+  if (anEllipse.IsNull())
+    throw Standard_ConstructionError("GeomAPI_Ellipse: Curve is not an ellipse");
+  setImpl(new gp_Elips(anEllipse->Elips()));
+}
+
 std::shared_ptr<GeomAPI_Pnt> GeomAPI_Ellipse::center() const
 {
   const gp_Pnt& aCenter = MY_ELIPS->Location();
@@ -69,3 +83,32 @@ double GeomAPI_Ellipse::majorRadius() const
 {
   return MY_ELIPS->MajorRadius();
 }
+
+const std::shared_ptr<GeomAPI_Pnt> GeomAPI_Ellipse::project(
+    const std::shared_ptr<GeomAPI_Pnt>& thePoint) const
+{
+  std::shared_ptr<GeomAPI_Pnt> aResult;
+  if (!MY_ELIPS)
+    return aResult;
+
+  Handle(Geom_Ellipse) aEllipse = new Geom_Ellipse(*MY_ELIPS);
+
+  const gp_Pnt& aPoint = thePoint->impl<gp_Pnt>();
+
+  GeomAPI_ProjectPointOnCurve aProj(aPoint, aEllipse);
+  Standard_Integer aNbPoint = aProj.NbPoints();
+  if (aNbPoint > 0) {
+    gp_Pnt aNearest = aProj.NearestPoint();
+    aResult = GeomPointPtr(new GeomAPI_Pnt(aNearest.X(), aNearest.Y(), aNearest.Z()));
+  }
+  return aResult;
+}
+
+const bool GeomAPI_Ellipse::parameter(const std::shared_ptr<GeomAPI_Pnt> thePoint,
+                                      const double theTolerance,
+                                      double& theParameter) const
+{
+  Handle(Geom_Ellipse) aCurve = new Geom_Ellipse(*MY_ELIPS);
+  return GeomLib_Tool::Parameter(aCurve, thePoint->impl<gp_Pnt>(),
+                                 theTolerance, theParameter) == Standard_True;
+}