CR32614 Coding - get rid of unsused forward declarations [Adaptor2d to GccAna]
[occt.git] / src / Contap / Contap_HCurve2dTool.hxx
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42cf5bc1 1// Created on: 1995-07-17
2// Created by: Laurent BUCHARD
3// Copyright (c) 1995-1999 Matra Datavision
4// Copyright (c) 1999-2014 OPEN CASCADE SAS
5//
6// This file is part of Open CASCADE Technology software library.
7//
8// This library is free software; you can redistribute it and/or modify it under
9// the terms of the GNU Lesser General Public License version 2.1 as published
10// by the Free Software Foundation, with special exception defined in the file
11// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12// distribution for complete text of the license and disclaimer of any warranty.
13//
14// Alternatively, this file may be used under the terms of Open CASCADE
15// commercial license or contractual agreement.
16
17#ifndef _Contap_HCurve2dTool_HeaderFile
18#define _Contap_HCurve2dTool_HeaderFile
19
20#include <Standard.hxx>
21#include <Standard_DefineAlloc.hxx>
22#include <Standard_Handle.hxx>
23
24#include <Standard_Real.hxx>
25#include <GeomAbs_Shape.hxx>
26#include <Standard_Integer.hxx>
27#include <TColStd_Array1OfReal.hxx>
28#include <Standard_Boolean.hxx>
29#include <gp_Pnt2d.hxx>
30#include <gp_Vec2d.hxx>
31#include <GeomAbs_CurveType.hxx>
32#include <gp_Lin2d.hxx>
33#include <gp_Circ2d.hxx>
34#include <gp_Elips2d.hxx>
35#include <gp_Hypr2d.hxx>
36#include <gp_Parab2d.hxx>
42cf5bc1 37class gp_Pnt2d;
38class gp_Vec2d;
39class Geom2d_BezierCurve;
40class Geom2d_BSplineCurve;
41
42
43
44class Contap_HCurve2dTool
45{
46public:
47
48 DEFINE_STANDARD_ALLOC
49
50
c22b52d6 51 static Standard_Real FirstParameter (const Handle(Adaptor2d_Curve2d)& C);
42cf5bc1 52
c22b52d6 53 static Standard_Real LastParameter (const Handle(Adaptor2d_Curve2d)& C);
42cf5bc1 54
c22b52d6 55 static GeomAbs_Shape Continuity (const Handle(Adaptor2d_Curve2d)& C);
42cf5bc1 56
57 //! Returns the number of intervals for continuity
58 //! <S>. May be one if Continuity(myclass) >= <S>
c22b52d6 59 static Standard_Integer NbIntervals (const Handle(Adaptor2d_Curve2d)& C, const GeomAbs_Shape S);
42cf5bc1 60
61 //! Stores in <T> the parameters bounding the intervals
62 //! of continuity <S>.
63 //!
21c7c457 64 //! The array must provide enough room to accommodate
42cf5bc1 65 //! for the parameters. i.e. T.Length() > NbIntervals()
c22b52d6 66 static void Intervals (const Handle(Adaptor2d_Curve2d)& C, TColStd_Array1OfReal& T, const GeomAbs_Shape S);
42cf5bc1 67
c22b52d6 68 static Standard_Boolean IsClosed (const Handle(Adaptor2d_Curve2d)& C);
42cf5bc1 69
c22b52d6 70 static Standard_Boolean IsPeriodic (const Handle(Adaptor2d_Curve2d)& C);
42cf5bc1 71
c22b52d6 72 static Standard_Real Period (const Handle(Adaptor2d_Curve2d)& C);
42cf5bc1 73
74 //! Computes the point of parameter U on the curve.
c22b52d6 75 static gp_Pnt2d Value (const Handle(Adaptor2d_Curve2d)& C, const Standard_Real U);
42cf5bc1 76
77 //! Computes the point of parameter U on the curve.
c22b52d6 78 static void D0 (const Handle(Adaptor2d_Curve2d)& C, const Standard_Real U, gp_Pnt2d& P);
42cf5bc1 79
80 //! Computes the point of parameter U on the curve with its
81 //! first derivative.
82 //! Raised if the continuity of the current interval
83 //! is not C1.
c22b52d6 84 static void D1 (const Handle(Adaptor2d_Curve2d)& C, const Standard_Real U, gp_Pnt2d& P, gp_Vec2d& V);
42cf5bc1 85
86
87 //! Returns the point P of parameter U, the first and second
88 //! derivatives V1 and V2.
89 //! Raised if the continuity of the current interval
90 //! is not C2.
c22b52d6 91 static void D2 (const Handle(Adaptor2d_Curve2d)& C, const Standard_Real U, gp_Pnt2d& P, gp_Vec2d& V1, gp_Vec2d& V2);
42cf5bc1 92
93
94 //! Returns the point P of parameter U, the first, the second
95 //! and the third derivative.
96 //! Raised if the continuity of the current interval
97 //! is not C3.
c22b52d6 98 static void D3 (const Handle(Adaptor2d_Curve2d)& C, const Standard_Real U, gp_Pnt2d& P, gp_Vec2d& V1, gp_Vec2d& V2, gp_Vec2d& V3);
42cf5bc1 99
100
101 //! The returned vector gives the value of the derivative for the
102 //! order of derivation N.
103 //! Raised if the continuity of the current interval
104 //! is not CN.
105 //! Raised if N < 1.
c22b52d6 106 static gp_Vec2d DN (const Handle(Adaptor2d_Curve2d)& C, const Standard_Real U, const Standard_Integer N);
42cf5bc1 107
108 //! Returns the parametric resolution corresponding
109 //! to the real space resolution <R3d>.
c22b52d6 110 static Standard_Real Resolution (const Handle(Adaptor2d_Curve2d)& C, const Standard_Real R3d);
42cf5bc1 111
112 //! Returns the type of the curve in the current
113 //! interval : Line, Circle, Ellipse, Hyperbola,
114 //! Parabola, BezierCurve, BSplineCurve, OtherCurve.
c22b52d6 115 static GeomAbs_CurveType GetType (const Handle(Adaptor2d_Curve2d)& C);
42cf5bc1 116
c22b52d6 117 static gp_Lin2d Line (const Handle(Adaptor2d_Curve2d)& C);
42cf5bc1 118
c22b52d6 119 static gp_Circ2d Circle (const Handle(Adaptor2d_Curve2d)& C);
42cf5bc1 120
c22b52d6 121 static gp_Elips2d Ellipse (const Handle(Adaptor2d_Curve2d)& C);
42cf5bc1 122
c22b52d6 123 static gp_Hypr2d Hyperbola (const Handle(Adaptor2d_Curve2d)& C);
42cf5bc1 124
c22b52d6 125 static gp_Parab2d Parabola (const Handle(Adaptor2d_Curve2d)& C);
42cf5bc1 126
c22b52d6 127 static Handle(Geom2d_BezierCurve) Bezier (const Handle(Adaptor2d_Curve2d)& C);
42cf5bc1 128
c22b52d6 129 static Handle(Geom2d_BSplineCurve) BSpline (const Handle(Adaptor2d_Curve2d)& C);
42cf5bc1 130
c22b52d6 131 Standard_EXPORT static Standard_Integer NbSamples (const Handle(Adaptor2d_Curve2d)& C, const Standard_Real U0, const Standard_Real U1);
42cf5bc1 132
133
134
135
136protected:
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140
141
142private:
143
144
145
146
147
148};
149
150
151#include <Contap_HCurve2dTool.lxx>
152
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155
156
157#endif // _Contap_HCurve2dTool_HeaderFile