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1 | // Created on: 1994-08-25 |
2 | // Created by: Jacques GOUSSARD |
3 | // Copyright (c) 1994-1999 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 _BRepTools_Modification_HeaderFile |
18 | #define _BRepTools_Modification_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_Type.hxx> |
22 | |
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23 | #include <Standard_Transient.hxx> |
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24 | #include <Standard_Boolean.hxx> |
25 | #include <Standard_Real.hxx> |
26 | #include <GeomAbs_Shape.hxx> |
27 | class TopoDS_Face; |
28 | class Geom_Surface; |
29 | class TopLoc_Location; |
30 | class TopoDS_Edge; |
31 | class Geom_Curve; |
32 | class TopoDS_Vertex; |
33 | class gp_Pnt; |
34 | class Geom2d_Curve; |
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35 | class Poly_Triangulation; |
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36 | |
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37 | class Poly_Polygon3D; |
38 | class Poly_PolygonOnTriangulation; |
39 | |
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40 | |
41 | class BRepTools_Modification; |
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42 | DEFINE_STANDARD_HANDLE(BRepTools_Modification, Standard_Transient) |
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43 | |
44 | //! Defines geometric modifications to a shape, i.e. |
45 | //! changes to faces, edges and vertices. |
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46 | class BRepTools_Modification : public Standard_Transient |
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47 | { |
48 | |
49 | public: |
50 | |
51 | |
52 | //! Returns true if the face, F, has been modified. |
53 | //! If the face has been modified: |
54 | //! - S is the new geometry of the face, |
55 | //! - L is its new location, and |
56 | //! - Tol is the new tolerance. |
57 | //! The flag, RevWires, is set to true when the |
58 | //! modification reverses the normal of the surface, (i.e. |
59 | //! the wires have to be reversed). |
60 | //! The flag, RevFace, is set to true if the orientation of |
61 | //! the modified face changes in the shells which contain it. |
62 | //! If the face has not been modified this function returns |
63 | //! false, and the values of S, L, Tol, RevWires and |
64 | //! RevFace are not significant. |
65 | Standard_EXPORT virtual Standard_Boolean NewSurface (const TopoDS_Face& F, Handle(Geom_Surface)& S, TopLoc_Location& L, Standard_Real& Tol, Standard_Boolean& RevWires, Standard_Boolean& RevFace) = 0; |
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66 | |
67 | //! Returns true if the face has been modified according to changed triangulation. |
68 | //! If the face has been modified: |
69 | //! - T is a new triangulation on the face |
70 | Standard_EXPORT virtual Standard_Boolean NewTriangulation(const TopoDS_Face& F, Handle(Poly_Triangulation)& T); |
71 | |
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72 | //! Returns true if the edge, E, has been modified. |
73 | //! If the edge has been modified: |
74 | //! - C is the new geometry associated with the edge, |
75 | //! - L is its new location, and |
76 | //! - Tol is the new tolerance. |
77 | //! If the edge has not been modified, this function |
78 | //! returns false, and the values of C, L and Tol are not significant. |
79 | Standard_EXPORT virtual Standard_Boolean NewCurve (const TopoDS_Edge& E, Handle(Geom_Curve)& C, TopLoc_Location& L, Standard_Real& Tol) = 0; |
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80 | |
81 | //! Returns true if the edge has been modified according to changed polygon. |
82 | //! If the edge has been modified: |
83 | //! - P is a new polygon |
84 | Standard_EXPORT virtual Standard_Boolean NewPolygon(const TopoDS_Edge& E, Handle(Poly_Polygon3D)& P); |
85 | |
86 | //! Returns true if the edge has been modified according to changed polygon on triangulation. |
87 | //! If the edge has been modified: |
88 | //! - P is a new polygon on triangulation |
89 | Standard_EXPORT virtual Standard_Boolean NewPolygonOnTriangulation(const TopoDS_Edge& E, const TopoDS_Face& F, Handle(Poly_PolygonOnTriangulation)& P); |
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90 | |
91 | //! Returns true if the vertex V has been modified. |
92 | //! If V has been modified: |
93 | //! - P is the new geometry of the vertex, and |
94 | //! - Tol is the new tolerance. |
95 | //! If the vertex has not been modified this function |
96 | //! returns false, and the values of P and Tol are not significant. |
97 | Standard_EXPORT virtual Standard_Boolean NewPoint (const TopoDS_Vertex& V, gp_Pnt& P, Standard_Real& Tol) = 0; |
98 | |
99 | //! Returns true if the edge, E, has a new curve on |
100 | //! surface on the face, F. |
101 | //! If a new curve exists: |
102 | //! - C is the new geometry of the edge, |
103 | //! - L is the new location, and |
104 | //! - Tol is the new tolerance. |
105 | //! NewE is the new edge created from E, and NewF is |
106 | //! the new face created from F. |
107 | //! If there is no new curve on the face, this function |
108 | //! returns false, and the values of C, L and Tol are not significant. |
109 | Standard_EXPORT virtual Standard_Boolean NewCurve2d (const TopoDS_Edge& E, const TopoDS_Face& F, const TopoDS_Edge& NewE, const TopoDS_Face& NewF, Handle(Geom2d_Curve)& C, Standard_Real& Tol) = 0; |
110 | |
111 | //! Returns true if the vertex V has a new parameter on the edge E. |
112 | //! If a new parameter exists: |
113 | //! - P is the parameter, and |
114 | //! - Tol is the new tolerance. |
115 | //! If there is no new parameter this function returns |
116 | //! false, and the values of P and Tol are not significant. |
117 | Standard_EXPORT virtual Standard_Boolean NewParameter (const TopoDS_Vertex& V, const TopoDS_Edge& E, Standard_Real& P, Standard_Real& Tol) = 0; |
118 | |
119 | //! Returns the continuity of <NewE> between <NewF1> |
120 | //! and <NewF2>. |
121 | //! <NewE> is the new edge created from <E>. <NewF1> |
122 | //! (resp. <NewF2>) is the new face created from <F1> |
123 | //! (resp. <F2>). |
124 | Standard_EXPORT virtual GeomAbs_Shape Continuity (const TopoDS_Edge& E, const TopoDS_Face& F1, const TopoDS_Face& F2, const TopoDS_Edge& NewE, const TopoDS_Face& NewF1, const TopoDS_Face& NewF2) = 0; |
125 | |
126 | |
127 | |
128 | |
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129 | DEFINE_STANDARD_RTTIEXT(BRepTools_Modification,Standard_Transient) |
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130 | |
131 | protected: |
132 | |
133 | |
134 | |
135 | |
136 | private: |
137 | |
138 | |
139 | |
140 | |
141 | }; |
142 | |
143 | |
144 | |
145 | |
146 | |
147 | |
148 | |
149 | #endif // _BRepTools_Modification_HeaderFile |