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1 | // Created on: 1992-11-18 |
2 | // Created by: Remi LEQUETTE |
3 | // Copyright (c) 1992-1999 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 _BRepClass_FClass2dOfFClassifier_HeaderFile |
18 | #define _BRepClass_FClass2dOfFClassifier_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_DefineAlloc.hxx> |
22 | #include <Standard_Handle.hxx> |
23 | |
24 | #include <Standard_Boolean.hxx> |
25 | #include <gp_Lin2d.hxx> |
26 | #include <Standard_Real.hxx> |
27 | #include <TopTrans_CurveTransition.hxx> |
28 | #include <BRepClass_Intersector.hxx> |
29 | #include <Standard_Integer.hxx> |
30 | #include <TopAbs_State.hxx> |
31 | #include <TopAbs_Orientation.hxx> |
32 | class Standard_DomainError; |
33 | class BRepClass_Edge; |
34 | class BRepClass_Intersector; |
35 | class gp_Lin2d; |
36 | |
37 | |
38 | |
39 | class BRepClass_FClass2dOfFClassifier |
40 | { |
41 | public: |
42 | |
43 | DEFINE_STANDARD_ALLOC |
44 | |
45 | |
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46 | //! Creates an undefined classifier. |
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47 | Standard_EXPORT BRepClass_FClass2dOfFClassifier(); |
48 | |
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49 | //! Starts a classification process. The point to |
50 | //! classify is the origin of the line <L>. <P> is |
51 | //! the original length of the segment on <L> used to |
52 | //! compute intersections. <Tol> is the tolerance |
53 | //! attached to the line segment in intersections. |
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54 | Standard_EXPORT void Reset (const gp_Lin2d& L, const Standard_Real P, const Standard_Real Tol); |
55 | |
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56 | //! Updates the classification process with the edge |
57 | //! <E> from the boundary. |
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58 | Standard_EXPORT void Compare (const BRepClass_Edge& E, const TopAbs_Orientation Or); |
59 | |
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60 | //! Returns the current value of the parameter. |
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61 | Standard_Real Parameter() const; |
62 | |
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63 | //! Returns the intersecting algorithm. |
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64 | BRepClass_Intersector& Intersector(); |
65 | |
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66 | //! Returns 0 if the last compared edge had no |
67 | //! relevant intersection. Else returns the index of |
68 | //! this intersection in the last intersection |
69 | //! algorithm. |
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70 | Standard_Integer ClosestIntersection() const; |
71 | |
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72 | //! Returns the current state of the point. |
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73 | TopAbs_State State() const; |
74 | |
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75 | //! Returns the Standard_True if the closest intersection point |
76 | //! represents head or end of the edge. Returns Standard_False |
77 | //! otherwise. |
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78 | Standard_Boolean IsHeadOrEnd() const; |
79 | |
80 | |
81 | |
82 | |
83 | protected: |
84 | |
85 | |
86 | |
87 | |
88 | |
89 | private: |
90 | |
91 | |
92 | |
93 | Standard_Boolean myIsSet; |
94 | Standard_Boolean myFirstCompare; |
95 | Standard_Boolean myFirstTrans; |
96 | gp_Lin2d myLin; |
97 | Standard_Real myParam; |
98 | Standard_Real myTolerance; |
99 | TopTrans_CurveTransition myTrans; |
100 | BRepClass_Intersector myIntersector; |
101 | Standard_Integer myClosest; |
102 | TopAbs_State myState; |
103 | Standard_Boolean myIsHeadOrEnd; |
104 | |
105 | |
106 | }; |
107 | |
108 | #define TheEdge BRepClass_Edge |
109 | #define TheEdge_hxx <BRepClass_Edge.hxx> |
110 | #define TheIntersector BRepClass_Intersector |
111 | #define TheIntersector_hxx <BRepClass_Intersector.hxx> |
112 | #define TopClass_Classifier2d BRepClass_FClass2dOfFClassifier |
113 | #define TopClass_Classifier2d_hxx <BRepClass_FClass2dOfFClassifier.hxx> |
114 | |
115 | #include <TopClass_Classifier2d.lxx> |
116 | |
117 | #undef TheEdge |
118 | #undef TheEdge_hxx |
119 | #undef TheIntersector |
120 | #undef TheIntersector_hxx |
121 | #undef TopClass_Classifier2d |
122 | #undef TopClass_Classifier2d_hxx |
123 | |
124 | |
125 | |
126 | |
127 | #endif // _BRepClass_FClass2dOfFClassifier_HeaderFile |