0028966: Coding Rules - remove Adaptor2d_HCurve2d, Adaptor3d_HCurve and Adaptor3d_HSu...
[occt.git] / src / BRepBlend / BRepBlend_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 _BRepBlend_HCurve2dTool_HeaderFile
18#define _BRepBlend_HCurve2dTool_HeaderFile
19
c22b52d6 20#include <Adaptor2d_Curve2d.hxx>
21#include <Geom2d_BezierCurve.hxx>
22#include <Geom2d_BSplineCurve.hxx>
42cf5bc1 23#include <GeomAbs_CurveType.hxx>
c22b52d6 24#include <GeomAbs_Shape.hxx>
42cf5bc1 25#include <gp_Lin2d.hxx>
26#include <gp_Circ2d.hxx>
27#include <gp_Elips2d.hxx>
42cf5bc1 28#include <gp_Parab2d.hxx>
c22b52d6 29#include <gp_Pnt2d.hxx>
30#include <gp_Vec2d.hxx>
31#include <gp_Hypr2d.hxx>
32#include <TColStd_Array1OfReal.hxx>
42cf5bc1 33
34class BRepBlend_HCurve2dTool
35{
36public:
37
38 DEFINE_STANDARD_ALLOC
39
40
c22b52d6 41 static Standard_Real FirstParameter (const Handle(Adaptor2d_Curve2d)& C);
42cf5bc1 42
c22b52d6 43 static Standard_Real LastParameter (const Handle(Adaptor2d_Curve2d)& C);
42cf5bc1 44
c22b52d6 45 static GeomAbs_Shape Continuity (const Handle(Adaptor2d_Curve2d)& C);
42cf5bc1 46
47 //! Returns the number of intervals for continuity
48 //! <S>. May be one if Continuity(myclass) >= <S>
c22b52d6 49 static Standard_Integer NbIntervals (const Handle(Adaptor2d_Curve2d)& C, const GeomAbs_Shape S);
42cf5bc1 50
51 //! Stores in <T> the parameters bounding the intervals
52 //! of continuity <S>.
53 //!
21c7c457 54 //! The array must provide enough room to accommodate
42cf5bc1 55 //! for the parameters. i.e. T.Length() > NbIntervals()
c22b52d6 56 static void Intervals (const Handle(Adaptor2d_Curve2d)& C, TColStd_Array1OfReal& T, const GeomAbs_Shape S);
42cf5bc1 57
c22b52d6 58 static Standard_Boolean IsClosed (const Handle(Adaptor2d_Curve2d)& C);
42cf5bc1 59
c22b52d6 60 static Standard_Boolean IsPeriodic (const Handle(Adaptor2d_Curve2d)& C);
42cf5bc1 61
c22b52d6 62 static Standard_Real Period (const Handle(Adaptor2d_Curve2d)& C);
42cf5bc1 63
64 //! Computes the point of parameter U on the curve.
c22b52d6 65 static gp_Pnt2d Value (const Handle(Adaptor2d_Curve2d)& C, const Standard_Real U);
42cf5bc1 66
67 //! Computes the point of parameter U on the curve.
c22b52d6 68 static void D0 (const Handle(Adaptor2d_Curve2d)& C, const Standard_Real U, gp_Pnt2d& P);
42cf5bc1 69
70 //! Computes the point of parameter U on the curve with its
71 //! first derivative.
72 //! Raised if the continuity of the current interval
73 //! is not C1.
c22b52d6 74 static void D1 (const Handle(Adaptor2d_Curve2d)& C, const Standard_Real U, gp_Pnt2d& P, gp_Vec2d& V);
42cf5bc1 75
76
77 //! Returns the point P of parameter U, the first and second
78 //! derivatives V1 and V2.
79 //! Raised if the continuity of the current interval
80 //! is not C2.
c22b52d6 81 static void D2 (const Handle(Adaptor2d_Curve2d)& C, const Standard_Real U, gp_Pnt2d& P, gp_Vec2d& V1, gp_Vec2d& V2);
42cf5bc1 82
83
84 //! Returns the point P of parameter U, the first, the second
85 //! and the third derivative.
86 //! Raised if the continuity of the current interval
87 //! is not C3.
c22b52d6 88 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 89
90
91 //! The returned vector gives the value of the derivative for the
92 //! order of derivation N.
93 //! Raised if the continuity of the current interval
94 //! is not CN.
95 //! Raised if N < 1.
c22b52d6 96 static gp_Vec2d DN (const Handle(Adaptor2d_Curve2d)& C, const Standard_Real U, const Standard_Integer N);
42cf5bc1 97
98 //! Returns the parametric resolution corresponding
99 //! to the real space resolution <R3d>.
c22b52d6 100 static Standard_Real Resolution (const Handle(Adaptor2d_Curve2d)& C, const Standard_Real R3d);
42cf5bc1 101
102 //! Returns the type of the curve in the current
103 //! interval : Line, Circle, Ellipse, Hyperbola,
104 //! Parabola, BezierCurve, BSplineCurve, OtherCurve.
c22b52d6 105 static GeomAbs_CurveType GetType (const Handle(Adaptor2d_Curve2d)& C);
42cf5bc1 106
c22b52d6 107 static gp_Lin2d Line (const Handle(Adaptor2d_Curve2d)& C);
42cf5bc1 108
c22b52d6 109 static gp_Circ2d Circle (const Handle(Adaptor2d_Curve2d)& C);
42cf5bc1 110
c22b52d6 111 static gp_Elips2d Ellipse (const Handle(Adaptor2d_Curve2d)& C);
42cf5bc1 112
c22b52d6 113 static gp_Hypr2d Hyperbola (const Handle(Adaptor2d_Curve2d)& C);
42cf5bc1 114
c22b52d6 115 static gp_Parab2d Parabola (const Handle(Adaptor2d_Curve2d)& C);
42cf5bc1 116
c22b52d6 117 static Handle(Geom2d_BezierCurve) Bezier (const Handle(Adaptor2d_Curve2d)& C);
42cf5bc1 118
c22b52d6 119 static Handle(Geom2d_BSplineCurve) BSpline (const Handle(Adaptor2d_Curve2d)& C);
42cf5bc1 120
c22b52d6 121 Standard_EXPORT static Standard_Integer NbSamples (const Handle(Adaptor2d_Curve2d)& C, const Standard_Real U0, const Standard_Real U1);
42cf5bc1 122
123
124
125
126protected:
127
128
129
130
131
132private:
133
134
135
136
137
138};
139
140
141#include <BRepBlend_HCurve2dTool.lxx>
142
143
144
145
146
147#endif // _BRepBlend_HCurve2dTool_HeaderFile