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1 | // Created on: 1994-01-10 |
2 | // Created by: Yves FRICAUD |
3 | // Copyright (c) 1994-1999 Matra Datavision |
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4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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5 | // |
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6 | // This file is part of Open CASCADE Technology software library. |
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7 | // |
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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 |
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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. |
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13 | // |
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14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
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16 | |
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17 | |
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18 | #include <Bisector_PointOnBis.hxx> |
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19 | #include <Bisector_PolyBis.hxx> |
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20 | #include <ElCLib.hxx> |
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21 | #include <Geom2d_Curve.hxx> |
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22 | #include <gp.hxx> |
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23 | #include <gp_Trsf2d.hxx> |
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24 | #include <Standard_ConstructionError.hxx> |
25 | |
26 | //============================================================================= |
27 | //function : Bisector_PolyBis |
28 | // purpose : |
29 | //============================================================================= |
30 | Bisector_PolyBis::Bisector_PolyBis() |
31 | { |
32 | nbPoints = 0; |
33 | } |
34 | |
35 | //============================================================================= |
36 | //function : Append |
37 | // purpose : |
38 | //============================================================================= |
39 | void Bisector_PolyBis::Append (const Bisector_PointOnBis& P) |
40 | { |
41 | nbPoints++; |
42 | thePoints [nbPoints] = P; |
43 | } |
44 | |
45 | //============================================================================= |
46 | //function : Length |
47 | // purpose : |
48 | //============================================================================= |
49 | Standard_Integer Bisector_PolyBis::Length() const |
50 | { |
51 | return nbPoints; |
52 | } |
53 | |
54 | //============================================================================= |
55 | //function : IsEmpty |
56 | // purpose : |
57 | //============================================================================= |
58 | Standard_Boolean Bisector_PolyBis::IsEmpty() const |
59 | { |
60 | return (nbPoints == 0); |
61 | } |
62 | |
63 | //============================================================================= |
64 | //function : Value |
65 | // purpose : |
66 | //============================================================================= |
67 | const Bisector_PointOnBis& Bisector_PolyBis::Value |
68 | (const Standard_Integer Index) |
69 | const |
70 | { |
71 | return thePoints [Index]; |
72 | } |
73 | |
74 | //============================================================================= |
75 | //function : First |
76 | // purpose : |
77 | //============================================================================= |
78 | const Bisector_PointOnBis& Bisector_PolyBis::First() const |
79 | { |
80 | return thePoints[1]; |
81 | } |
82 | |
83 | //============================================================================= |
84 | //function : Last |
85 | // purpose : |
86 | //============================================================================= |
87 | const Bisector_PointOnBis& Bisector_PolyBis::Last() const |
88 | { |
89 | return thePoints[nbPoints]; |
90 | } |
91 | |
92 | //============================================================================= |
93 | //function : Points |
94 | // purpose : |
95 | //============================================================================= |
96 | //const PointOnBis& Bisector_PolyBis::Points() |
97 | //{ |
98 | // return thePoints; |
99 | //} |
100 | |
101 | //============================================================================= |
102 | //function : Interval |
103 | // purpose : |
104 | //============================================================================= |
105 | Standard_Integer Bisector_PolyBis::Interval (const Standard_Real U) const |
106 | { |
107 | if ( Last().ParamOnBis() - U < gp::Resolution()) { |
108 | return nbPoints - 1; |
109 | } |
110 | Standard_Real dU = (Last().ParamOnBis() - First().ParamOnBis())/(nbPoints - 1); |
111 | if (dU <= gp::Resolution()) return 1; |
112 | |
113 | Standard_Integer IntU = Standard_Integer(Abs(U - First().ParamOnBis())/dU) ; |
114 | IntU++; |
115 | |
116 | if (thePoints[IntU].ParamOnBis() >= U) { |
117 | for (Standard_Integer i = IntU; i >= 1; i--) { |
118 | if (thePoints[i].ParamOnBis() <= U) { |
119 | IntU = i; |
120 | break; |
121 | } |
122 | } |
123 | } |
124 | else { |
125 | for (Standard_Integer i = IntU; i <= nbPoints - 1; i++) { |
126 | if (thePoints[i].ParamOnBis() >= U) { |
127 | IntU = i - 1; |
128 | break; |
129 | } |
130 | } |
131 | } |
132 | return IntU; |
133 | } |
134 | |
135 | |
136 | //======================================================================= |
137 | //function : Transform |
138 | //purpose : |
139 | //======================================================================= |
140 | |
141 | void Bisector_PolyBis::Transform(const gp_Trsf2d& T) |
142 | { |
143 | for (Standard_Integer i = 1; i <= nbPoints; i ++) { |
144 | gp_Pnt2d P = thePoints[i].Point(); |
145 | P.Transform(T) ; |
146 | thePoints[i].Point(P); |
147 | } |
148 | } |