120ca87015
git-svn-id: https://free-cad.svn.sourceforge.net/svnroot/free-cad/trunk@5000 e8eeb9e2-ec13-0410-a4a9-efa5cf37419d
287 lines
9.0 KiB
C++
287 lines
9.0 KiB
C++
/***************************************************************************
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* Copyright (c) 2007 *
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* Joachim Zettler <Joachim.Zettler@gmx.de> *
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* Adapted by Joachim Zettler to use with a WireExplorer made *
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* by Stephane Routelous *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#ifndef _BRepAdaptor_CompCurve2_HeaderFile
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#define _BRepAdaptor_CompCurve2_HeaderFile
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#ifndef _TopoDS_Wire_HeaderFile
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#include <TopoDS_Wire.hxx>
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#endif
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#ifndef _Standard_Real_HeaderFile
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#include <Standard_Real.hxx>
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#endif
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#ifndef _Handle_BRepAdaptor_HArray1OfCurve_HeaderFile
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#include <Handle_BRepAdaptor_HArray1OfCurve.hxx>
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#endif
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#ifndef _Handle_TColStd_HArray1OfReal_HeaderFile
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#include <Handle_TColStd_HArray1OfReal.hxx>
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#endif
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#ifndef _Standard_Integer_HeaderFile
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#include <Standard_Integer.hxx>
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#endif
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#ifndef _Standard_Boolean_HeaderFile
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#include <Standard_Boolean.hxx>
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#endif
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#ifndef _Adaptor3d_Curve_HeaderFile
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#include <Adaptor3d_Curve.hxx>
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#endif
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#ifndef _GeomAbs_Shape_HeaderFile
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#include <GeomAbs_Shape.hxx>
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#endif
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#ifndef _Handle_Adaptor3d_HCurve_HeaderFile
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#include <Handle_Adaptor3d_HCurve.hxx>
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#endif
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#ifndef _GeomAbs_CurveType_HeaderFile
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#include <GeomAbs_CurveType.hxx>
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#endif
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#ifndef _Handle_Geom_BezierCurve_HeaderFile
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#include <Handle_Geom_BezierCurve.hxx>
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#endif
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#ifndef _Handle_Geom_BSplineCurve_HeaderFile
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#include <Handle_Geom_BSplineCurve.hxx>
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#endif
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class BRepAdaptor_HArray1OfCurve;
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class TColStd_HArray1OfReal;
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class Standard_NullObject;
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class Standard_DomainError;
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class Standard_OutOfRange;
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class Standard_NoSuchObject;
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class TopoDS_Wire;
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class TopoDS_Edge;
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class TColStd_Array1OfReal;
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class Adaptor3d_HCurve;
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class gp_Pnt;
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class gp_Vec;
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class gp_Lin;
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class gp_Circ;
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class gp_Elips;
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class gp_Hypr;
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class gp_Parab;
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class Geom_BezierCurve;
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class Geom_BSplineCurve;
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#ifndef _Standard_HeaderFile
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#include <Standard.hxx>
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#endif
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#ifndef _Standard_Macro_HeaderFile
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#include <Standard_Macro.hxx>
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#endif
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//! The Curve from BRepAdaptor allows to use a Wire of the BRep topology
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//! like a 3D curve. <br>
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//! Warning: With this class of curve, C0 and C1 continuities
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//! are not assumed. So be careful with some algorithm!
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class BRepAdaptor_CompCurve2 : public Adaptor3d_Curve
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{
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public:
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void* operator new(size_t,void* anAddress)
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{
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return anAddress;
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}
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void* operator new(size_t size)
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{
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return Standard::Allocate(size);
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}
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void operator delete(void *anAddress)
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{
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if (anAddress) Standard::Free((Standard_Address&)anAddress);
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}
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// Methods PUBLIC
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//
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//! Creates an undefined Curve with no Wire loaded.
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Standard_EXPORT BRepAdaptor_CompCurve2();
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Standard_EXPORT BRepAdaptor_CompCurve2(const TopoDS_Wire& W,const Standard_Boolean KnotByCurvilinearAbcissa = Standard_False);
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//! Creates a Curve to acces to the geometry of edge \p W.
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Standard_EXPORT BRepAdaptor_CompCurve2(const TopoDS_Wire& W,const Standard_Boolean KnotByCurvilinearAbcissa,const Standard_Real First,const Standard_Real Last,const Standard_Real Tol);
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//! Sets the wire \p W.
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Standard_EXPORT void Initialize(const TopoDS_Wire& W,const Standard_Boolean KnotByCurvilinearAbcissa) ;
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//! Sets wire \p W and trimmed parameter.
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Standard_EXPORT void Initialize(const TopoDS_Wire& W,const Standard_Boolean KnotByCurvilinearAbcissa,const Standard_Real First,const Standard_Real Last,const Standard_Real Tol) ;
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//! Set the flag Periodic. <br>
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//! Warning: This method has no effect if the wire is not closed.
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Standard_EXPORT void SetPeriodic(const Standard_Boolean Periodic) ;
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//! Returns the wire.
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Standard_EXPORT const TopoDS_Wire& Wire() const;
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//! returns an edge and one parameter on them
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//! corresponding to the parameter \p U.
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Standard_EXPORT void Edge(const Standard_Real U,TopoDS_Edge& E,Standard_Real& UonE) const;
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Standard_EXPORT Standard_Real FirstParameter() const;
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Standard_EXPORT Standard_Real LastParameter() const;
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Standard_EXPORT GeomAbs_Shape Continuity() const;
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//! Returns the number of intervals for continuity \<S\>. <br>
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//! May be one if Continuity(me) >= \<S\>
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Standard_EXPORT Standard_Integer NbIntervals(const GeomAbs_Shape S) ;
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//! Stores in \<T\> the parameters bounding the intervals of continuity \<S\>. <br>
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//! The array must provide enough room to accomodate for the parameters.
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//! i.e. T.Length() > NbIntervals()
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Standard_EXPORT void Intervals(TColStd_Array1OfReal& T,const GeomAbs_Shape S) ;
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Standard_EXPORT Standard_Boolean IsClosed() const;
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Standard_EXPORT Standard_Boolean IsPeriodic() const;
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Standard_EXPORT Standard_Real Period() const;
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//! Computes the point of parameter \p U on the curve
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Standard_EXPORT gp_Pnt Value(const Standard_Real U) const;
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//! Computes the point of parameter \p U.
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Standard_EXPORT void D0(const Standard_Real U,gp_Pnt& P) const;
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//! Computes the point of parameter \p U on the curve with its first
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//! derivative. <br>
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//! Raised if the continuity of the current interval is not C1.
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Standard_EXPORT void D1(const Standard_Real U,gp_Pnt& P,gp_Vec& V) const;
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//! Returns the point \p P of parameter \p U, the first and second
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//! derivatives \p V1 and \p V2. <br>
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//! Raised if the continuity of the current interval is not C2.
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Standard_EXPORT void D2(const Standard_Real U,gp_Pnt& P,gp_Vec& V1,gp_Vec& V2) const;
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//! Returns the point \p P of parameter \p U, the first, the second
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//! and the third derivative. <br>
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//! Raised if the continuity of the current interval is not C3.
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Standard_EXPORT void D3(const Standard_Real U,gp_Pnt& P,gp_Vec& V1,gp_Vec& V2,gp_Vec& 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. <br>
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//! Raised if the continuity of the current interval is not CN. <br>
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//! Raised if N < 1.
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Standard_EXPORT gp_Vec DN(const Standard_Real U,const Standard_Integer N) const;
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//! returns the parametric resolution
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Standard_EXPORT Standard_Real Resolution(const Standard_Real R3d) const;
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Standard_EXPORT GeomAbs_CurveType GetType() const;
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Standard_EXPORT gp_Lin Line() const;
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Standard_EXPORT gp_Circ Circle() const;
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Standard_EXPORT gp_Elips Ellipse() const;
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Standard_EXPORT gp_Hypr Hyperbola() const;
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Standard_EXPORT gp_Parab Parabola() const;
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Standard_EXPORT Standard_Integer Degree() const;
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Standard_EXPORT Standard_Boolean IsRational() const;
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Standard_EXPORT Standard_Integer NbPoles() const;
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Standard_EXPORT Standard_Integer NbKnots() const;
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Standard_EXPORT Handle_Geom_BezierCurve Bezier() const;
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Standard_EXPORT Handle_Geom_BSplineCurve BSpline() const;
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protected:
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// Methods PROTECTED
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//
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// Fields PROTECTED
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//
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private:
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// Methods PRIVATE
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//
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Standard_EXPORT void Prepare(Standard_Real& W,Standard_Real& D,Standard_Integer& ind) const;
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Standard_EXPORT void InvPrepare(const Standard_Integer ind,Standard_Real& F,Standard_Real& D) const;
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// Fields PRIVATE
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//
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TopoDS_Wire myWire;
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Standard_Real TFirst;
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Standard_Real TLast;
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Standard_Real PTol;
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Standard_Real myPeriod;
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Handle_BRepAdaptor_HArray1OfCurve myCurves;
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Handle_TColStd_HArray1OfReal myKnots;
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Standard_Integer CurIndex;
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Standard_Boolean Forward;
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Standard_Boolean IsbyAC;
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Standard_Boolean Periodic;
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};
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#endif
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