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42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
242 lines
7.2 KiB
C++
242 lines
7.2 KiB
C++
// Created on: 1993-04-01
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// Created by: Modelistation
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// Copyright (c) 1993-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _HLRBRep_Curve_HeaderFile
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#define _HLRBRep_Curve_HeaderFile
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#include <Standard.hxx>
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#include <Standard_DefineAlloc.hxx>
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#include <Standard_Handle.hxx>
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#include <BRepAdaptor_Curve.hxx>
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#include <GeomAbs_CurveType.hxx>
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#include <Standard_Address.hxx>
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#include <Standard_Real.hxx>
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#include <gp_Pnt.hxx>
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#include <Standard_Boolean.hxx>
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#include <GeomAbs_Shape.hxx>
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#include <Standard_Integer.hxx>
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#include <TColStd_Array1OfReal.hxx>
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#include <gp_Pnt2d.hxx>
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#include <TColgp_Array1OfPnt2d.hxx>
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#include <TColStd_Array1OfInteger.hxx>
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class Standard_NoSuchObject;
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class Standard_DomainError;
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class Standard_OutOfRange;
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class StdFail_UndefinedDerivative;
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class BRepAdaptor_Curve;
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class TopoDS_Edge;
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class gp_Pnt;
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class gp_Vec;
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class gp_Pnt2d;
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class gp_Dir2d;
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class gp_Vec2d;
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class gp_Lin2d;
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class gp_Circ2d;
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class gp_Elips2d;
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class gp_Hypr2d;
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class gp_Parab2d;
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class Geom_BSplineCurve;
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//! Defines a 2d curve by projection of a 3D curve on
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//! a plane with an optional perspective
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//! transformation.
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class HLRBRep_Curve
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! Creates an undefined Curve.
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Standard_EXPORT HLRBRep_Curve();
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void Projector (const Standard_Address Proj);
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//! Returns the 3D curve.
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BRepAdaptor_Curve& Curve();
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//! Sets the 3D curve to be projected.
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Standard_EXPORT void Curve (const TopoDS_Edge& E);
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//! Returns the 3D curve.
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const BRepAdaptor_Curve& GetCurve() const;
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//! Returns the parameter on the 2d curve from the
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//! parameter on the 3d curve.
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Standard_EXPORT Standard_Real Parameter2d (const Standard_Real P3d) const;
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//! Returns the parameter on the 3d curve from the
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//! parameter on the 2d curve.
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Standard_EXPORT Standard_Real Parameter3d (const Standard_Real P2d) const;
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//! Update the minmax and the internal data
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Standard_EXPORT Standard_Real Update (const Standard_Address TotMin, const Standard_Address TotMax);
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//! Update the minmax returns tol for enlarge;
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Standard_EXPORT Standard_Real UpdateMinMax (const Standard_Address TotMin, const Standard_Address TotMax);
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//! Computes the Z coordinate of the point of
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//! parameter U on the curve in the viewing coordinate system
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Standard_EXPORT Standard_Real Z (const Standard_Real U) const;
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//! Computes the 3D point of parameter U on the
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//! curve.
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gp_Pnt Value3D (const Standard_Real U) const;
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//! Computes the 3D point of parameter U on the
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//! curve.
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void D0 (const Standard_Real U, gp_Pnt& P) const;
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//! Computes the point of parameter U on the curve
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//! with its first derivative.
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void D1 (const Standard_Real U, gp_Pnt& P, gp_Vec& V) const;
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//! Depending on <AtStart> computes the 2D point and
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//! tangent on the curve at sart (or at end). If the first
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//! derivative is null look after at start (or before at end)
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//! with the second derivative.
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Standard_EXPORT void Tangent (const Standard_Boolean AtStart, gp_Pnt2d& P, gp_Dir2d& D) const;
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Standard_Real FirstParameter() const;
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Standard_Real LastParameter() const;
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GeomAbs_Shape Continuity() const;
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//! If necessary, breaks the curve in intervals of
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//! continuity <S>. And returns the number of
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//! intervals.
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Standard_Integer NbIntervals (const GeomAbs_Shape S) const;
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//! Stores in <T> the parameters bounding the intervals
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//! of continuity <S>.
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//!
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//! The array must provide enough room to accomodate
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//! for the parameters. i.e. T.Length() > NbIntervals()
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void Intervals (TColStd_Array1OfReal& T, const GeomAbs_Shape S) const;
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Standard_Boolean IsClosed() const;
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Standard_Boolean IsPeriodic() const;
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Standard_Real Period() const;
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//! Computes the point of parameter U on the curve.
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gp_Pnt2d Value (const Standard_Real U) const;
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//! Computes the point of parameter U on the curve.
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Standard_EXPORT void D0 (const Standard_Real U, gp_Pnt2d& P) const;
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//! Computes the point of parameter U on the curve
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//! with its first derivative.
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//! Raised if the continuity of the current interval
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//! is not C1.
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Standard_EXPORT void D1 (const Standard_Real U, gp_Pnt2d& P, gp_Vec2d& V) const;
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//! Raised if the continuity of the current interval
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//! is not C2.
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Standard_EXPORT void D2 (const Standard_Real U, gp_Pnt2d& P, gp_Vec2d& V1, gp_Vec2d& V2) const;
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//! Returns the point P of parameter U, the first, the second
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//! and the third derivative.
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//! Raised if the continuity of the current interval
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//! is not C3.
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Standard_EXPORT void D3 (const Standard_Real U, gp_Pnt2d& P, gp_Vec2d& V1, gp_Vec2d& V2, gp_Vec2d& V3) const;
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//! The returned vector gives the value of the derivative for the
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//! order of derivation N.
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//! Raised if the continuity of the current interval
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//! is not CN.
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//! Raised if N < 1.
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Standard_EXPORT gp_Vec2d DN (const Standard_Real U, const Standard_Integer N) const;
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//! Returns the parametric resolution corresponding
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//! to the real space resolution <R3d>.
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Standard_Real Resolution (const Standard_Real R3d) const;
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//! Returns the type of the curve in the current
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//! interval : Line, Circle, Ellipse, Hyperbola,
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//! Parabola, BezierCurve, BSplineCurve, OtherCurve.
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GeomAbs_CurveType GetType() const;
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Standard_EXPORT gp_Lin2d Line() const;
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Standard_EXPORT gp_Circ2d Circle() const;
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Standard_EXPORT gp_Elips2d Ellipse() const;
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Standard_EXPORT gp_Hypr2d Hyperbola() const;
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Standard_EXPORT gp_Parab2d Parabola() const;
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Standard_Boolean IsRational() const;
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Standard_Integer Degree() const;
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Standard_Integer NbPoles() const;
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Standard_EXPORT void Poles (TColgp_Array1OfPnt2d& TP) const;
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Standard_EXPORT void Poles (const Handle(Geom_BSplineCurve)& aCurve, TColgp_Array1OfPnt2d& TP) const;
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Standard_EXPORT void PolesAndWeights (TColgp_Array1OfPnt2d& TP, TColStd_Array1OfReal& TW) const;
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Standard_EXPORT void PolesAndWeights (const Handle(Geom_BSplineCurve)& aCurve, TColgp_Array1OfPnt2d& TP, TColStd_Array1OfReal& TW) const;
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Standard_Integer NbKnots() const;
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Standard_EXPORT void Knots (TColStd_Array1OfReal& kn) const;
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Standard_EXPORT void Multiplicities (TColStd_Array1OfInteger& mu) const;
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protected:
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private:
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BRepAdaptor_Curve myCurve;
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GeomAbs_CurveType myType;
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Standard_Address myProj;
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Standard_Real myOX;
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Standard_Real myOZ;
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Standard_Real myVX;
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Standard_Real myVZ;
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Standard_Real myOF;
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};
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#include <HLRBRep_Curve.lxx>
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#endif // _HLRBRep_Curve_HeaderFile
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