1 // Created on: 1993-01-20
2 // Created by: Laurent PAINNOT
3 // Copyright (c) 1993-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
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.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #ifndef _AppDef_MyLineTool_HeaderFile
18 #define _AppDef_MyLineTool_HeaderFile
20 #include <Standard.hxx>
21 #include <Standard_DefineAlloc.hxx>
22 #include <Standard_Handle.hxx>
24 #include <Standard_Integer.hxx>
25 #include <TColgp_Array1OfPnt.hxx>
26 #include <TColgp_Array1OfPnt2d.hxx>
27 #include <Standard_Boolean.hxx>
28 #include <TColgp_Array1OfVec.hxx>
29 #include <TColgp_Array1OfVec2d.hxx>
30 #include <Approx_Status.hxx>
31 class AppDef_MultiLine;
34 //! example of MultiLine tool corresponding to the tools of the packages
35 //! AppParCurves and Approx. For Approx, the tool will not addd points
36 //! if the algorithms want some.
37 class AppDef_MyLineTool
44 //! Returns the first index of multipoints of the MultiLine.
45 Standard_EXPORT static Standard_Integer FirstPoint (const AppDef_MultiLine& ML);
47 //! Returns the last index of multipoints of the MultiLine.
48 Standard_EXPORT static Standard_Integer LastPoint (const AppDef_MultiLine& ML);
50 //! Returns the number of 2d points of a MultiLine.
51 Standard_EXPORT static Standard_Integer NbP2d (const AppDef_MultiLine& ML);
53 //! Returns the number of 3d points of a MultiLine.
54 Standard_EXPORT static Standard_Integer NbP3d (const AppDef_MultiLine& ML);
56 //! returns the 3d points of the multipoint <MPointIndex>
57 //! when only 3d points exist.
58 Standard_EXPORT static void Value (const AppDef_MultiLine& ML, const Standard_Integer MPointIndex, TColgp_Array1OfPnt& tabPt);
60 //! returns the 2d points of the multipoint <MPointIndex>
61 //! when only 2d points exist.
62 Standard_EXPORT static void Value (const AppDef_MultiLine& ML, const Standard_Integer MPointIndex, TColgp_Array1OfPnt2d& tabPt2d);
64 //! returns the 3d and 2d points of the multipoint
66 Standard_EXPORT static void Value (const AppDef_MultiLine& ML, const Standard_Integer MPointIndex, TColgp_Array1OfPnt& tabPt, TColgp_Array1OfPnt2d& tabPt2d);
68 //! returns the 3d points of the multipoint <MPointIndex>
69 //! when only 3d points exist.
70 Standard_EXPORT static Standard_Boolean Tangency (const AppDef_MultiLine& ML, const Standard_Integer MPointIndex, TColgp_Array1OfVec& tabV);
72 //! returns the 2d tangency points of the multipoint
73 //! <MPointIndex> only when 2d points exist.
74 Standard_EXPORT static Standard_Boolean Tangency (const AppDef_MultiLine& ML, const Standard_Integer MPointIndex, TColgp_Array1OfVec2d& tabV2d);
76 //! returns the 3d and 2d points of the multipoint
78 Standard_EXPORT static Standard_Boolean Tangency (const AppDef_MultiLine& ML, const Standard_Integer MPointIndex, TColgp_Array1OfVec& tabV, TColgp_Array1OfVec2d& tabV2d);
80 //! returns the 3d curvatures of the multipoint <MPointIndex>
81 //! when only 3d points exist.
82 Standard_EXPORT static Standard_Boolean Curvature (const AppDef_MultiLine& ML, const Standard_Integer MPointIndex, TColgp_Array1OfVec& tabV);
84 //! returns the 2d curvatures of the multipoint
85 //! <MPointIndex> only when 2d points exist.
86 Standard_EXPORT static Standard_Boolean Curvature (const AppDef_MultiLine& ML, const Standard_Integer MPointIndex, TColgp_Array1OfVec2d& tabV2d);
88 //! returns the 3d and 2d curvatures of the multipoint
90 Standard_EXPORT static Standard_Boolean Curvature (const AppDef_MultiLine& ML, const Standard_Integer MPointIndex, TColgp_Array1OfVec& tabV, TColgp_Array1OfVec2d& tabV2d);
92 //! returns NoPointsAdded
93 Standard_EXPORT static Approx_Status WhatStatus (const AppDef_MultiLine& ML, const Standard_Integer I1, const Standard_Integer I2);
95 //! Is never called in the algorithms.
97 Standard_EXPORT static AppDef_MultiLine& MakeMLBetween (const AppDef_MultiLine& ML, const Standard_Integer I1, const Standard_Integer I2, const Standard_Integer NbPMin);
122 #endif // _AppDef_MyLineTool_HeaderFile