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1 | // Created on: 1994-12-09 |
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 _BRepBuilderAPI_Transform_HeaderFile |
18 | #define _BRepBuilderAPI_Transform_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_DefineAlloc.hxx> |
22 | #include <Standard_Handle.hxx> |
23 | |
24 | #include <gp_Trsf.hxx> |
25 | #include <TopLoc_Location.hxx> |
26 | #include <Standard_Boolean.hxx> |
27 | #include <BRepBuilderAPI_ModifyShape.hxx> |
28 | #include <TopTools_ListOfShape.hxx> |
29 | class Standard_NoSuchObject; |
30 | class gp_Trsf; |
31 | class TopoDS_Shape; |
32 | |
33 | |
34 | //! Geometric transformation on a shape. |
35 | //! The transformation to be applied is defined as a |
36 | //! gp_Trsf transformation, i.e. a transformation which does |
37 | //! not modify the underlying geometry of shapes. |
38 | //! The transformation is applied to: |
39 | //! - all curves which support edges of a shape, and |
40 | //! - all surfaces which support its faces. |
41 | //! A Transform object provides a framework for: |
42 | //! - defining the geometric transformation to be applied, |
43 | //! - implementing the transformation algorithm, and |
44 | //! - consulting the results. |
45 | class BRepBuilderAPI_Transform : public BRepBuilderAPI_ModifyShape |
46 | { |
47 | public: |
48 | |
49 | DEFINE_STANDARD_ALLOC |
50 | |
51 | |
52 | //! Constructs a framework for applying the geometric |
53 | //! transformation T to a shape. Use the function Perform |
54 | //! to define the shape to transform. |
55 | Standard_EXPORT BRepBuilderAPI_Transform(const gp_Trsf& T); |
56 | |
57 | //! Creates a transformation from the gp_Trsf <T>, and |
58 | //! applies it to the shape <S>. If the transformation |
59 | //! is direct and isometric (determinant = 1) and |
60 | //! <Copy> = Standard_False, the resulting shape is |
61 | //! <S> on which a new location has been set. |
62 | //! Otherwise, the transformation is applied on a |
63 | //! duplication of <S>. |
64 | Standard_EXPORT BRepBuilderAPI_Transform(const TopoDS_Shape& S, const gp_Trsf& T, const Standard_Boolean Copy = Standard_False); |
65 | |
66 | //! pplies the geometric transformation defined at the |
67 | //! time of construction of this framework to the shape S. |
68 | //! - If the transformation T is direct and isometric, in |
69 | //! other words, if the determinant of the vectorial part |
70 | //! of T is equal to 1., and if Copy equals false (the |
71 | //! default value), the resulting shape is the same as |
72 | //! the original but with a new location assigned to it. |
73 | //! - In all other cases, the transformation is applied to a duplicate of S. |
74 | //! Use the function Shape to access the result. |
75 | //! Note: this framework can be reused to apply the same |
76 | //! geometric transformation to other shapes. You only |
77 | //! need to specify them by calling the function Perform again. |
78 | Standard_EXPORT void Perform (const TopoDS_Shape& S, const Standard_Boolean Copy = Standard_False); |
79 | |
80 | //! Returns the modified shape corresponding to <S>. |
81 | Standard_EXPORT virtual TopoDS_Shape ModifiedShape (const TopoDS_Shape& S) const Standard_OVERRIDE; |
82 | |
83 | //! Returns the list of shapes modified from the shape |
84 | //! <S>. |
85 | Standard_EXPORT virtual const TopTools_ListOfShape& Modified (const TopoDS_Shape& S) Standard_OVERRIDE; |
86 | |
87 | |
88 | |
89 | |
90 | protected: |
91 | |
92 | |
93 | |
94 | |
95 | |
96 | private: |
97 | |
98 | |
99 | |
100 | gp_Trsf myTrsf; |
101 | TopLoc_Location myLocation; |
102 | Standard_Boolean myUseModif; |
103 | |
104 | |
105 | }; |
106 | |
107 | |
108 | |
109 | |
110 | |
111 | |
112 | |
113 | #endif // _BRepBuilderAPI_Transform_HeaderFile |