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1 | // Created on: 1993-10-25 |
2 | // Created by: Jean Marc LACHAUME |
3 | // Copyright (c) 1993-1999 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 _Geom2dHatch_Hatcher_HeaderFile |
18 | #define _Geom2dHatch_Hatcher_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
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21 | |
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22 | #include <Geom2dAdaptor_Curve.hxx> |
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23 | #include <Geom2dHatch_Intersector.hxx> |
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24 | #include <Geom2dHatch_Elements.hxx> |
25 | #include <Geom2dHatch_Hatchings.hxx> |
26 | #include <TopAbs_Orientation.hxx> |
27 | #include <HatchGen_ErrorStatus.hxx> |
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28 | |
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29 | class Standard_NoSuchObject; |
30 | class Standard_OutOfRange; |
31 | class StdFail_NotDone; |
32 | class Geom2dHatch_Intersector; |
33 | class Geom2dHatch_Element; |
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34 | class Geom2dHatch_Hatching; |
35 | class HatchGen_PointOnHatching; |
36 | class HatchGen_Domain; |
37 | |
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38 | class Geom2dHatch_Hatcher |
39 | { |
40 | public: |
41 | |
42 | DEFINE_STANDARD_ALLOC |
43 | |
44 | |
45 | //! Returns an empty hatcher. |
46 | Standard_EXPORT Geom2dHatch_Hatcher(const Geom2dHatch_Intersector& Intersector, const Standard_Real Confusion2d, const Standard_Real Confusion3d, const Standard_Boolean KeepPnt = Standard_False, const Standard_Boolean KeepSeg = Standard_False); |
47 | |
48 | //! Sets the associated intersector. |
49 | Standard_EXPORT void Intersector (const Geom2dHatch_Intersector& Intersector); |
50 | |
51 | //! Returns the associated intersector. |
52 | const Geom2dHatch_Intersector& Intersector(); |
53 | |
54 | //! Returns the associated intersector. |
55 | Geom2dHatch_Intersector& ChangeIntersector(); |
56 | |
57 | //! Sets the confusion tolerance. |
58 | Standard_EXPORT void Confusion2d (const Standard_Real Confusion); |
59 | |
60 | //! Returns the 2d confusion tolerance, i.e. the value under |
61 | //! which two points are considered identical in the |
62 | //! parametric space of the hatching. |
63 | Standard_Real Confusion2d() const; |
64 | |
65 | //! Sets the confusion tolerance. |
66 | Standard_EXPORT void Confusion3d (const Standard_Real Confusion); |
67 | |
68 | //! Returns the 3d confusion tolerance, i.e. the value under |
69 | //! which two points are considered identical in the |
70 | //! 3d space of the hatching. |
71 | Standard_Real Confusion3d() const; |
72 | |
73 | //! Sets the above flag. |
74 | Standard_EXPORT void KeepPoints (const Standard_Boolean Keep); |
75 | |
76 | //! Returns the flag about the points consideration. |
77 | Standard_Boolean KeepPoints() const; |
78 | |
79 | //! Sets the above flag. |
80 | Standard_EXPORT void KeepSegments (const Standard_Boolean Keep); |
81 | |
82 | //! Returns the flag about the segments consideration. |
83 | Standard_Boolean KeepSegments() const; |
84 | |
85 | //! Removes all the hatchings and all the elements. |
86 | void Clear(); |
87 | |
88 | //! Returns the curve associated to the IndE-th element. |
89 | const Geom2dAdaptor_Curve& ElementCurve (const Standard_Integer IndE) const; |
90 | |
91 | //! Adds an element to the hatcher and returns its index. |
92 | Standard_EXPORT Standard_Integer AddElement (const Geom2dAdaptor_Curve& Curve, const TopAbs_Orientation Orientation = TopAbs_FORWARD); |
93 | |
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94 | //! Adds an element to the hatcher and returns its index. |
95 | Standard_Integer AddElement (const Handle(Geom2d_Curve)& Curve, const TopAbs_Orientation Orientation = TopAbs_FORWARD) |
96 | { |
97 | Geom2dAdaptor_Curve aGAC (Curve); |
98 | return AddElement (aGAC, Orientation); |
99 | } |
100 | |
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101 | //! Removes the IndE-th element from the hatcher. |
102 | Standard_EXPORT void RemElement (const Standard_Integer IndE); |
103 | |
104 | //! Removes all the elements from the hatcher. |
105 | Standard_EXPORT void ClrElements(); |
106 | |
107 | //! Returns the curve associated to the IndH-th hatching. |
108 | const Geom2dAdaptor_Curve& HatchingCurve (const Standard_Integer IndH) const; |
109 | |
110 | //! Adds a hatching to the hatcher and returns its index. |
111 | Standard_EXPORT Standard_Integer AddHatching (const Geom2dAdaptor_Curve& Curve); |
112 | |
113 | //! Removes the IndH-th hatching from the hatcher. |
114 | Standard_EXPORT void RemHatching (const Standard_Integer IndH); |
115 | |
116 | //! Removes all the hatchings from the hatcher. |
117 | Standard_EXPORT void ClrHatchings(); |
118 | |
119 | //! Returns the number of intersection points of |
120 | //! the IndH-th hatching. |
121 | Standard_Integer NbPoints (const Standard_Integer IndH) const; |
122 | |
123 | //! Returns the IndP-th intersection point of the |
124 | //! IndH-th hatching. |
125 | const HatchGen_PointOnHatching& Point (const Standard_Integer IndH, const Standard_Integer IndP) const; |
126 | |
127 | //! Trims all the hatchings of the hatcher by all the |
128 | //! elements of the hatcher. |
129 | Standard_EXPORT void Trim(); |
130 | |
131 | //! Adds a hatching to the hatcher and trims it by |
132 | //! the elements already given and returns its index. |
133 | Standard_EXPORT Standard_Integer Trim (const Geom2dAdaptor_Curve& Curve); |
134 | |
135 | //! Trims the IndH-th hatching by the elements |
136 | //! already given. |
137 | Standard_EXPORT void Trim (const Standard_Integer IndH); |
138 | |
139 | //! Computes the domains of all the hatchings. |
140 | Standard_EXPORT void ComputeDomains(); |
141 | |
142 | //! Computes the domains of the IndH-th hatching. |
143 | Standard_EXPORT void ComputeDomains (const Standard_Integer IndH); |
144 | |
145 | //! Returns the fact that the intersections were computed |
146 | //! for the IndH-th hatching. |
147 | Standard_Boolean TrimDone (const Standard_Integer IndH) const; |
148 | |
149 | //! Returns the fact that the intersections failed |
150 | //! for the IndH-th hatching. |
151 | Standard_Boolean TrimFailed (const Standard_Integer IndH) const; |
152 | |
153 | //! Returns the fact that the domains were computed |
154 | //! for all the hatchings. |
155 | Standard_Boolean IsDone() const; |
156 | |
157 | //! Returns the fact that the domains were computed |
158 | //! for the IndH-th hatching. |
159 | Standard_EXPORT Standard_Boolean IsDone (const Standard_Integer IndH) const; |
160 | |
161 | //! Returns the status about the IndH-th hatching. |
162 | HatchGen_ErrorStatus Status (const Standard_Integer IndH) const; |
163 | |
164 | //! Returns the number of domains of the IndH-th hatching. |
165 | //! Only ONE "INFINITE" domain means that the hatching is |
166 | //! fully included in the contour defined by the elements. |
167 | Standard_Integer NbDomains (const Standard_Integer IndH) const; |
168 | |
169 | //! Returns the IDom-th domain of the IndH-th hatching. |
170 | Standard_EXPORT const HatchGen_Domain& Domain (const Standard_Integer IndH, const Standard_Integer IDom) const; |
171 | |
172 | //! Dump the hatcher. |
173 | Standard_EXPORT void Dump() const; |
174 | |
175 | |
176 | |
177 | |
178 | protected: |
179 | |
180 | |
181 | //! Returns the IndE-th element. |
182 | Geom2dHatch_Element& Element (const Standard_Integer IndE); |
183 | |
184 | //! Returns the IndH-th hatching. |
185 | Geom2dHatch_Hatching& Hatching (const Standard_Integer IndH); |
186 | |
187 | |
188 | |
189 | |
190 | private: |
191 | |
192 | |
193 | //! Trims the IndH-th hatching of the hatcher by the |
194 | //! IndE-th element. |
195 | Standard_EXPORT Standard_Boolean Trim (const Standard_Integer IndH, const Standard_Integer IndE); |
196 | |
197 | //! Sets the global transition (the before and after |
198 | //! states and segment extremities flags) of the point. |
199 | Standard_EXPORT Standard_Boolean GlobalTransition (HatchGen_PointOnHatching& Point); |
200 | |
201 | |
202 | Geom2dHatch_Intersector myIntersector; |
203 | Standard_Real myConfusion2d; |
204 | Standard_Real myConfusion3d; |
205 | Standard_Boolean myKeepPoints; |
206 | Standard_Boolean myKeepSegments; |
207 | Standard_Integer myNbElements; |
208 | Geom2dHatch_Elements myElements; |
209 | Standard_Integer myNbHatchings; |
210 | Geom2dHatch_Hatchings myHatchings; |
211 | |
212 | |
213 | }; |
214 | |
215 | |
216 | #include <Geom2dHatch_Hatcher.lxx> |
217 | |
218 | |
219 | |
220 | |
221 | |
222 | #endif // _Geom2dHatch_Hatcher_HeaderFile |