--- /dev/null
+// Created on: 1997-09-30
+// Created by: Roman BORISOV
+// Copyright (c) 1997-1999 Matra Datavision
+// Copyright (c) 1999-2014 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _Approx_CurveOnSurface_HeaderFile
+#define _Approx_CurveOnSurface_HeaderFile
+
+#include <Standard.hxx>
+#include <Standard_DefineAlloc.hxx>
+#include <Standard_Handle.hxx>
+
+#include <Standard_Boolean.hxx>
+#include <Standard_Real.hxx>
+#include <GeomAbs_Shape.hxx>
+#include <Standard_Integer.hxx>
+class Geom2d_BSplineCurve;
+class Geom_BSplineCurve;
+class Standard_OutOfRange;
+class Standard_ConstructionError;
+class Adaptor2d_HCurve2d;
+class Adaptor3d_HSurface;
+
+
+//! Approximation of curve on surface
+class Approx_CurveOnSurface
+{
+public:
+
+ DEFINE_STANDARD_ALLOC
+
+
+ Standard_EXPORT Approx_CurveOnSurface(const Handle(Adaptor2d_HCurve2d)& C2D, const Handle(Adaptor3d_HSurface)& Surf, const Standard_Real First, const Standard_Real Last, const Standard_Real Tol, const GeomAbs_Shape Continuity, const Standard_Integer MaxDegree, const Standard_Integer MaxSegments, const Standard_Boolean Only3d = Standard_False, const Standard_Boolean Only2d = Standard_False);
+
+ Standard_EXPORT Standard_Boolean IsDone() const;
+
+ Standard_EXPORT Standard_Boolean HasResult() const;
+
+ Standard_EXPORT Handle(Geom_BSplineCurve) Curve3d() const;
+
+ Standard_EXPORT Standard_Real MaxError3d() const;
+
+ Standard_EXPORT Handle(Geom2d_BSplineCurve) Curve2d() const;
+
+ Standard_EXPORT Standard_Real MaxError2dU() const;
+
+ //! returns the maximum errors relativly to the U component or the V component of the
+ //! 2d Curve
+ Standard_EXPORT Standard_Real MaxError2dV() const;
+
+
+
+
+protected:
+
+
+
+
+
+private:
+
+
+
+ Handle(Geom2d_BSplineCurve) myCurve2d;
+ Handle(Geom_BSplineCurve) myCurve3d;
+ Standard_Boolean myIsDone;
+ Standard_Boolean myHasResult;
+ Standard_Real myError3d;
+ Standard_Real myError2dU;
+ Standard_Real myError2dV;
+
+
+};
+
+
+
+
+
+
+
+#endif // _Approx_CurveOnSurface_HeaderFile