include/opencascade/Extrema_CurveTool.hxx

0001 // Created on: 1995-07-18
0002 // Created by: Modelistation
0003 // Copyright (c) 1995-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _Extrema_CurveTool_HeaderFile
0018 #define _Extrema_CurveTool_HeaderFile
0019
0020 #include <Adaptor3d_Curve.hxx>
0021 #include <Geom_BezierCurve.hxx>
0022 #include <Geom_BSplineCurve.hxx>
0023 #include <GeomAbs_CurveType.hxx>
0024 #include <GeomAbs_Shape.hxx>
0025 #include <gp_Circ.hxx>
0026 #include <gp_Elips.hxx>
0027 #include <gp_Hypr.hxx>
0028 #include <gp_Lin.hxx>
0029 #include <gp_Parab.hxx>
0030 #include <gp_Pnt.hxx>
0031 #include <gp_Vec.hxx>
0032 #include <Standard.hxx>
0033 #include <Standard_DefineAlloc.hxx>
0034 #include <Standard_Handle.hxx>
0035 #include <NCollection_Array1.hxx>
0036 #include <NCollection_HArray1.hxx>
0037
0038 class Extrema_CurveTool
0039 {
0040 public:
0041   DEFINE_STANDARD_ALLOC
0042
0043   static double FirstParameter(const Adaptor3d_Curve& theC) { return theC.FirstParameter(); }
0044
0045   static double LastParameter(const Adaptor3d_Curve& theC) { return theC.LastParameter(); }
0046
0047   static GeomAbs_Shape Continuity(const Adaptor3d_Curve& theC) { return theC.Continuity(); }
0048
0049   //! Returns the number of intervals for continuity <S>.
0050   //! May be one if Continuity(me) >= <S>
0051   static int NbIntervals(Adaptor3d_Curve& theC, const GeomAbs_Shape theS)
0052   {
0053     return theC.NbIntervals(theS);
0054   }
0055
0056   //! Stores in <T> the parameters bounding the intervals of continuity <S>.
0057   //! The array must provide enough room to accommodate for the parameters.
0058   //! i.e. T.Length() > NbIntervals()
0059   static void Intervals(Adaptor3d_Curve&            theC,
0060                         NCollection_Array1<double>& theT,
0061                         const GeomAbs_Shape         theS)
0062   {
0063     theC.Intervals(theT, theS);
0064   }
0065
0066   //! Returns the parameters bounding the intervals of subdivision of curve
0067   //! according to Curvature deflection. Value of deflection is defined in method.
0068   Standard_EXPORT static occ::handle<NCollection_HArray1<double>> DeflCurvIntervals(
0069     const Adaptor3d_Curve& theC);
0070
0071   Standard_EXPORT static bool IsPeriodic(const Adaptor3d_Curve& theC);
0072
0073   static double Period(const Adaptor3d_Curve& theC) { return theC.Period(); }
0074
0075   static double Resolution(const Adaptor3d_Curve& theC, const double theR3d)
0076   {
0077     return theC.Resolution(theR3d);
0078   }
0079
0080   static GeomAbs_CurveType GetType(const Adaptor3d_Curve& theC) { return theC.GetType(); }
0081
0082   static gp_Pnt Value(const Adaptor3d_Curve& theC, const double theU) { return theC.Value(theU); }
0083
0084   static void D0(const Adaptor3d_Curve& theC, const double theU, gp_Pnt& theP)
0085   {
0086     theC.D0(theU, theP);
0087   }
0088
0089   static void D1(const Adaptor3d_Curve& theC, const double theU, gp_Pnt& theP, gp_Vec& theV)
0090   {
0091     theC.D1(theU, theP, theV);
0092   }
0093
0094   static void D2(const Adaptor3d_Curve& theC,
0095                  const double           theU,
0096                  gp_Pnt&                theP,
0097                  gp_Vec&                theV1,
0098                  gp_Vec&                theV2)
0099   {
0100     theC.D2(theU, theP, theV1, theV2);
0101   }
0102
0103   static void D3(const Adaptor3d_Curve& theC,
0104                  const double           theU,
0105                  gp_Pnt&                theP,
0106                  gp_Vec&                theV1,
0107                  gp_Vec&                theV2,
0108                  gp_Vec&                theV3)
0109   {
0110     theC.D3(theU, theP, theV1, theV2, theV3);
0111   }
0112
0113   static gp_Vec DN(const Adaptor3d_Curve& theC, const double theU, const int theN)
0114   {
0115     return theC.DN(theU, theN);
0116   }
0117
0118   static gp_Lin Line(const Adaptor3d_Curve& theC) { return theC.Line(); }
0119
0120   static gp_Circ Circle(const Adaptor3d_Curve& theC) { return theC.Circle(); }
0121
0122   static gp_Elips Ellipse(const Adaptor3d_Curve& theC) { return theC.Ellipse(); }
0123
0124   static gp_Hypr Hyperbola(const Adaptor3d_Curve& theC) { return theC.Hyperbola(); }
0125
0126   static gp_Parab Parabola(const Adaptor3d_Curve& theC) { return theC.Parabola(); }
0127
0128   static int Degree(const Adaptor3d_Curve& theC) { return theC.Degree(); }
0129
0130   static bool IsRational(const Adaptor3d_Curve& theC) { return theC.IsRational(); }
0131
0132   static int NbPoles(const Adaptor3d_Curve& theC) { return theC.NbPoles(); }
0133
0134   static int NbKnots(const Adaptor3d_Curve& theC) { return theC.NbKnots(); }
0135
0136   static occ::handle<Geom_BezierCurve> Bezier(const Adaptor3d_Curve& theC) { return theC.Bezier(); }
0137
0138   static occ::handle<Geom_BSplineCurve> BSpline(const Adaptor3d_Curve& theC)
0139   {
0140     return theC.BSpline();
0141   }
0142 };
0143
0144 #endif // _Extrema_CurveTool_HeaderFile