// Created on: 1994-01-10 // Created by: Yves FRICAUD // Copyright (c) 1994-1999 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 _Bisector_BisecCC_HeaderFile #define _Bisector_BisecCC_HeaderFile #include #include #include #include #include #include #include #include #include #include class Geom2d_Curve; class Geom2d_Geometry; class gp_Trsf2d; class gp_Vec2d; class Bisector_BisecCC; DEFINE_STANDARD_HANDLE(Bisector_BisecCC, Bisector_Curve) //! Construct the bisector between two curves. //! The curves can intersect only in their extremities. class Bisector_BisecCC : public Bisector_Curve { public: Standard_EXPORT Bisector_BisecCC(); //! Constructs the bisector between the curves //! and . //! //! (resp ) = 1 if the //! bisector curve is on the left of (resp ) //! else (resp ) = -1. //! //! the Bisector is trimmed by the Point . //! is used to trim the bisector.The distance //! between the points of the bisector and is smaller //! than . Standard_EXPORT Bisector_BisecCC(const Handle(Geom2d_Curve)& Cu1, const Handle(Geom2d_Curve)& Cu2, const Standard_Real Side1, const Standard_Real Side2, const gp_Pnt2d& Origin, const Standard_Real DistMax = 500); //! Computes the bisector between the curves //! and . //! //! (resp ) = 1 if the //! bisector curve is on the left of (resp ) //! else (resp ) = -1. //! //! the Bisector is trimmed by the Point . //! //! is used to trim the bisector.The distance //! between the points of the bisector and is smaller //! than . Standard_EXPORT void Perform (const Handle(Geom2d_Curve)& Cu1, const Handle(Geom2d_Curve)& Cu2, const Standard_Real Side1, const Standard_Real Side2, const gp_Pnt2d& Origin, const Standard_Real DistMax = 500); Standard_EXPORT Standard_Boolean IsExtendAtStart() const Standard_OVERRIDE; Standard_EXPORT Standard_Boolean IsExtendAtEnd() const Standard_OVERRIDE; Standard_EXPORT void Reverse() Standard_OVERRIDE; Standard_EXPORT Standard_Real ReversedParameter (const Standard_Real U) const Standard_OVERRIDE; //! Returns the order of continuity of the curve. //! Raised if N < 0. Standard_EXPORT Standard_Boolean IsCN (const Standard_Integer N) const Standard_OVERRIDE; //! The parameter on is linked to the parameter //! on the first curve. This method creates the same bisector //! where the curves are inversed. Standard_EXPORT Handle(Bisector_BisecCC) ChangeGuide() const; Standard_EXPORT Handle(Geom2d_Geometry) Copy() const Standard_OVERRIDE; //! Transformation of a geometric object. This tansformation //! can be a translation, a rotation, a symmetry, a scaling //! or a complex transformation obtained by combination of //! the previous elementaries transformations. Standard_EXPORT void Transform (const gp_Trsf2d& T) Standard_OVERRIDE; Standard_EXPORT Standard_Real FirstParameter() const Standard_OVERRIDE; Standard_EXPORT 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 Standard_OVERRIDE; //! Returns the first parameter of the current //! interval. Standard_EXPORT Standard_Real IntervalFirst (const Standard_Integer Index) const Standard_OVERRIDE; //! Returns the last parameter of the current //! interval. Standard_EXPORT Standard_Real IntervalLast (const Standard_Integer Index) const Standard_OVERRIDE; Standard_EXPORT GeomAbs_Shape IntervalContinuity() const; Standard_EXPORT Standard_Boolean IsClosed() const Standard_OVERRIDE; Standard_EXPORT Standard_Boolean IsPeriodic() const Standard_OVERRIDE; //! Returns the point of parameter U. //! Computes the distance between the current point and //! the two curves I separate. //! Computes the parameters on each curve corresponding //! of the projection of the current point. Standard_EXPORT gp_Pnt2d ValueAndDist (const Standard_Real U, Standard_Real& U1, Standard_Real& U2, Standard_Real& Distance) const; //! Returns the point of parameter U. //! Computes the distance between the current point and //! the two curves I separate. //! Computes the parameters on each curve corresponding //! of the projection of the current point. Standard_EXPORT gp_Pnt2d ValueByInt (const Standard_Real U, Standard_Real& U1, Standard_Real& U2, Standard_Real& Distance) const; Standard_EXPORT void D0 (const Standard_Real U, gp_Pnt2d& P) const Standard_OVERRIDE; Standard_EXPORT void D1 (const Standard_Real U, gp_Pnt2d& P, gp_Vec2d& V) const Standard_OVERRIDE; Standard_EXPORT void D2 (const Standard_Real U, gp_Pnt2d& P, gp_Vec2d& V1, gp_Vec2d& V2) const Standard_OVERRIDE; Standard_EXPORT void D3 (const Standard_Real U, gp_Pnt2d& P, gp_Vec2d& V1, gp_Vec2d& V2, gp_Vec2d& V3) const Standard_OVERRIDE; Standard_EXPORT gp_Vec2d DN (const Standard_Real U, const Standard_Integer N) const Standard_OVERRIDE; Standard_EXPORT Standard_Boolean IsEmpty() const; //! Returns the parameter on the curve1 of the projection //! of the point of parameter U on . Standard_EXPORT Standard_Real LinkBisCurve (const Standard_Real U) const; //! Returns the reciproque of LinkBisCurve. Standard_EXPORT Standard_Real LinkCurveBis (const Standard_Real U) const; Standard_EXPORT Standard_Real Parameter (const gp_Pnt2d& P) const Standard_OVERRIDE; Standard_EXPORT Handle(Geom2d_Curve) Curve (const Standard_Integer IndCurve) const; Standard_EXPORT const Bisector_PolyBis& Polygon() const; Standard_EXPORT void Dump (const Standard_Integer Deep = 0, const Standard_Integer Offset = 0) const; DEFINE_STANDARD_RTTIEXT(Bisector_BisecCC,Bisector_Curve) protected: private: Standard_EXPORT void Values (const Standard_Real U, const Standard_Integer N, gp_Pnt2d& P, gp_Vec2d& V1, gp_Vec2d& V2, gp_Vec2d& V3) const; Standard_EXPORT void SupLastParameter(); Standard_EXPORT gp_Pnt2d Extension (const Standard_Real U, Standard_Real& U1, Standard_Real& U2, Standard_Real& Dist, gp_Vec2d& T1) const; Standard_EXPORT Standard_Real SearchBound (const Standard_Real U1, const Standard_Real U2) const; Standard_EXPORT void ComputePointEnd(); Standard_EXPORT void Curve (const Standard_Integer Index, const Handle(Geom2d_Curve)& C); Standard_EXPORT void Sign (const Standard_Integer Index, const Standard_Real Sign); Standard_EXPORT void Polygon (const Bisector_PolyBis& Poly); Standard_EXPORT void DistMax (const Standard_Real DistMax); Standard_EXPORT void IsConvex (const Standard_Integer Index, const Standard_Boolean IsConvex); Standard_EXPORT void IsEmpty (const Standard_Boolean IsEmpty); Standard_EXPORT void ExtensionStart (const Standard_Boolean ExtensionStart); Standard_EXPORT void ExtensionEnd (const Standard_Boolean ExtensionEnd); Standard_EXPORT void PointStart (const gp_Pnt2d& Point); Standard_EXPORT void PointEnd (const gp_Pnt2d& Point); Standard_EXPORT void StartIntervals (const TColStd_SequenceOfReal& StartIntervals); Standard_EXPORT void EndIntervals (const TColStd_SequenceOfReal& EndIntervals); Standard_EXPORT void FirstParameter (const Standard_Real U1); Standard_EXPORT void LastParameter (const Standard_Real U1); Handle(Geom2d_Curve) curve1; Handle(Geom2d_Curve) curve2; Standard_Real sign1; Standard_Real sign2; TColStd_SequenceOfReal startIntervals; TColStd_SequenceOfReal endIntervals; Standard_Integer currentInterval; Bisector_PolyBis myPolygon; Standard_Real shiftParameter; Standard_Real distMax; Standard_Boolean isEmpty; Standard_Boolean isConvex1; Standard_Boolean isConvex2; Standard_Boolean extensionStart; Standard_Boolean extensionEnd; gp_Pnt2d pointStart; gp_Pnt2d pointEnd; }; #endif // _Bisector_BisecCC_HeaderFile