// Created on: 1993-04-15 // Created by: Bruno DUMORTIER // Copyright (c) 1993-1999 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 _Adaptor2d_OffsetCurve_HeaderFile #define _Adaptor2d_OffsetCurve_HeaderFile #include #include #include #include #include #include #include #include #include #include class Adaptor2d_HCurve2d; class Standard_NoSuchObject; class Standard_DomainError; class Standard_OutOfRange; class Standard_TypeMismatch; class gp_Pnt2d; class gp_Vec2d; class gp_Lin2d; class gp_Circ2d; class gp_Elips2d; class gp_Hypr2d; class gp_Parab2d; class Geom2d_BezierCurve; class Geom2d_BSplineCurve; //! Defines an Offset curve (algorithmic 2d curve). class Adaptor2d_OffsetCurve : public Adaptor2d_Curve2d { public: DEFINE_STANDARD_ALLOC //! The Offset is set to 0. Standard_EXPORT Adaptor2d_OffsetCurve(); //! The curve is loaded. The Offset is set to 0. Standard_EXPORT Adaptor2d_OffsetCurve(const Handle(Adaptor2d_HCurve2d)& C); //! Creates an OffsetCurve curve. //! The Offset is set to Offset. Standard_EXPORT Adaptor2d_OffsetCurve(const Handle(Adaptor2d_HCurve2d)& C, const Standard_Real Offset); //! Create an Offset curve. //! WFirst,WLast define the bounds of the Offset curve. Standard_EXPORT Adaptor2d_OffsetCurve(const Handle(Adaptor2d_HCurve2d)& C, const Standard_Real Offset, const Standard_Real WFirst, const Standard_Real WLast); //! Changes the curve. The Offset is reset to 0. Standard_EXPORT void Load (const Handle(Adaptor2d_HCurve2d)& S); //! Changes the Offset on the current Curve. Standard_EXPORT void Load (const Standard_Real Offset); //! Changes the Offset Curve on the current Curve. Standard_EXPORT void Load (const Standard_Real Offset, const Standard_Real WFirst, const Standard_Real WLast); const Handle(Adaptor2d_HCurve2d)& Curve() const; Standard_Real Offset() const; Standard_Real FirstParameter() const Standard_OVERRIDE; Standard_Real LastParameter() const Standard_OVERRIDE; Standard_EXPORT GeomAbs_Shape Continuity() const Standard_OVERRIDE; //! If necessary, breaks the curve in intervals of //! continuity . And returns the number of //! intervals. Standard_EXPORT Standard_Integer NbIntervals (const GeomAbs_Shape S) const Standard_OVERRIDE; //! Stores in the parameters bounding the intervals //! of continuity . //! //! The array must provide enough room to accomodate //! for the parameters. i.e. T.Length() > NbIntervals() Standard_EXPORT void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const Standard_OVERRIDE; //! Returns a curve equivalent of between //! parameters and . is used to //! test for 3d points confusion. //! If >= Standard_EXPORT Handle(Adaptor2d_HCurve2d) Trim (const Standard_Real First, const Standard_Real Last, const Standard_Real Tol) const Standard_OVERRIDE; Standard_EXPORT Standard_Boolean IsClosed() const Standard_OVERRIDE; Standard_EXPORT Standard_Boolean IsPeriodic() const Standard_OVERRIDE; Standard_EXPORT Standard_Real Period() const Standard_OVERRIDE; //! Computes the point of parameter U on the curve. Standard_EXPORT gp_Pnt2d Value (const Standard_Real U) const Standard_OVERRIDE; //! Computes the point of parameter U on the curve. Standard_EXPORT void D0 (const Standard_Real U, gp_Pnt2d& P) const Standard_OVERRIDE; //! Computes the point of parameter U on the curve with its //! first derivative. //! Raised if the continuity of the current interval //! is not C1. Standard_EXPORT void D1 (const Standard_Real U, gp_Pnt2d& P, gp_Vec2d& V) const Standard_OVERRIDE; //! Returns the point P of parameter U, the first and second //! derivatives V1 and V2. //! Raised if the continuity of the current interval //! is not C2. Standard_EXPORT void D2 (const Standard_Real U, gp_Pnt2d& P, gp_Vec2d& V1, gp_Vec2d& V2) const Standard_OVERRIDE; //! Returns the point P of parameter U, the first, the second //! and the third derivative. //! Raised if the continuity of the current interval //! is not C3. Standard_EXPORT void D3 (const Standard_Real U, gp_Pnt2d& P, gp_Vec2d& V1, gp_Vec2d& V2, gp_Vec2d& V3) const Standard_OVERRIDE; //! The returned vector gives the value of the derivative for the //! order of derivation N. //! Raised if the continuity of the current interval //! is not CN. //! Raised if N < 1. Standard_EXPORT gp_Vec2d DN (const Standard_Real U, const Standard_Integer N) const Standard_OVERRIDE; //! Returns the parametric resolution corresponding //! to the real space resolution . Standard_EXPORT Standard_Real Resolution (const Standard_Real R3d) const Standard_OVERRIDE; //! Returns the type of the curve in the current //! interval : Line, Circle, Ellipse, Hyperbola, //! Parabola, BezierCurve, BSplineCurve, OtherCurve. Standard_EXPORT GeomAbs_CurveType GetType() const Standard_OVERRIDE; Standard_EXPORT gp_Lin2d Line() const Standard_OVERRIDE; Standard_EXPORT gp_Circ2d Circle() const Standard_OVERRIDE; Standard_EXPORT gp_Elips2d Ellipse() const Standard_OVERRIDE; Standard_EXPORT gp_Hypr2d Hyperbola() const Standard_OVERRIDE; Standard_EXPORT gp_Parab2d Parabola() const Standard_OVERRIDE; Standard_EXPORT Standard_Integer Degree() const Standard_OVERRIDE; Standard_EXPORT Standard_Boolean IsRational() const Standard_OVERRIDE; Standard_EXPORT Standard_Integer NbPoles() const Standard_OVERRIDE; Standard_EXPORT Standard_Integer NbKnots() const Standard_OVERRIDE; Standard_EXPORT Handle(Geom2d_BezierCurve) Bezier() const Standard_OVERRIDE; Standard_EXPORT Handle(Geom2d_BSplineCurve) BSpline() const Standard_OVERRIDE; protected: private: Handle(Adaptor2d_HCurve2d) myCurve; Standard_Real myOffset; Standard_Real myFirst; Standard_Real myLast; }; #include #endif // _Adaptor2d_OffsetCurve_HeaderFile