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1 | // Created on: 2014-05-22 |
2 | // Created by: Varvara POSKONINA |
3 | // Copyright (c) 2005-2014 OPEN CASCADE SAS |
4 | // |
5 | // This file is part of Open CASCADE Technology software library. |
6 | // |
7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published |
9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
11 | // distribution for complete text of the license and disclaimer of any warranty. |
12 | // |
13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. |
15 | |
16 | #include <SelectMgr_SelectingVolumeManager.hxx> |
17 | |
18 | //======================================================================= |
19 | // function : SelectMgr_SelectingVolumeManager |
20 | // purpose : Creates instances of all available selecting volume types |
21 | //======================================================================= |
22 | SelectMgr_SelectingVolumeManager::SelectMgr_SelectingVolumeManager (Standard_Boolean theToAllocateFrustums) |
23 | { |
24 | myActiveSelectionType = Unknown; |
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25 | myToAllowOverlap = Standard_False; |
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26 | |
27 | if (theToAllocateFrustums) |
28 | { |
29 | mySelectingVolumes[Frustum] = new SelectMgr_RectangularFrustum(); |
30 | mySelectingVolumes[FrustumSet] = new SelectMgr_TriangularFrustumSet(); |
31 | } |
32 | } |
33 | |
34 | //======================================================================= |
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35 | // function : ScaleAndTransform |
36 | // purpose : IMPORTANT: Scaling makes sense only for frustum built on a single point! |
37 | // Note that this method does not perform any checks on type of the frustum. |
38 | // |
39 | // Returns a copy of the frustum resized according to the scale factor given |
40 | // and transforms it using the matrix given. |
41 | // There are no default parameters, but in case if: |
42 | // - transformation only is needed: @theScaleFactor must be initialized |
43 | // as any negative value; |
44 | // - scale only is needed: @theTrsf must be set to gp_Identity. |
45 | //======================================================================= |
46 | SelectMgr_SelectingVolumeManager SelectMgr_SelectingVolumeManager::ScaleAndTransform (const Standard_Integer theScaleFactor, |
47 | const gp_Trsf& theTrsf) |
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48 | { |
49 | SelectMgr_SelectingVolumeManager aMgr (Standard_False); |
50 | |
51 | if (myActiveSelectionType == Unknown) |
52 | return aMgr; |
53 | |
54 | aMgr.myActiveSelectionType = myActiveSelectionType; |
55 | |
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56 | aMgr.mySelectingVolumes[myActiveSelectionType / 2] |
57 | = mySelectingVolumes[myActiveSelectionType / 2]->ScaleAndTransform (theScaleFactor, theTrsf); |
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58 | aMgr.myToAllowOverlap = myToAllowOverlap; |
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59 | |
60 | return aMgr; |
61 | } |
62 | |
63 | //======================================================================= |
64 | // function : GetActiveSelectionType |
65 | // purpose : |
66 | //======================================================================= |
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67 | Standard_Integer SelectMgr_SelectingVolumeManager::GetActiveSelectionType() const |
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68 | { |
69 | return myActiveSelectionType; |
70 | } |
71 | |
72 | //======================================================================= |
73 | // function : SetActiveSelectionType |
74 | // purpose : |
75 | //======================================================================= |
76 | void SelectMgr_SelectingVolumeManager::SetActiveSelectionType (const SelectionType& theType) |
77 | { |
78 | myActiveSelectionType = theType; |
79 | } |
80 | |
81 | //======================================================================= |
82 | // function : SetCamera |
83 | // purpose : Updates camera projection and orientation matrices in all |
84 | // selecting volumes |
85 | //======================================================================= |
86 | void SelectMgr_SelectingVolumeManager::SetCamera (const Handle(Graphic3d_Camera) theCamera) |
87 | { |
88 | for (Standard_Integer anIdx = 0; anIdx < VolumeTypesNb; ++anIdx) |
89 | { |
90 | mySelectingVolumes[anIdx]->SetCamera (theCamera); |
91 | } |
92 | } |
93 | |
94 | //======================================================================= |
95 | // function : SetCamera |
96 | // purpose : Updates camera projection and orientation matrices in all |
97 | // selecting volumes |
98 | //======================================================================= |
99 | void SelectMgr_SelectingVolumeManager::SetCamera (const Graphic3d_Mat4d& theProjection, |
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100 | const Graphic3d_Mat4d& theWorldView, |
101 | const Standard_Boolean theIsOrthographic, |
102 | const Graphic3d_WorldViewProjState& theWVPState) |
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103 | { |
104 | for (Standard_Integer anIdx = 0; anIdx < VolumeTypesNb; ++anIdx) |
105 | { |
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106 | mySelectingVolumes[anIdx]->SetCamera (theProjection, theWorldView, theIsOrthographic, theWVPState); |
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107 | } |
108 | } |
109 | |
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110 | //======================================================================= |
111 | // function : ProjectionMatrix |
112 | // purpose : Returns current projection transformation common for all |
113 | // selecting volumes |
114 | //======================================================================= |
115 | const Graphic3d_Mat4d& SelectMgr_SelectingVolumeManager::ProjectionMatrix() const |
116 | { |
117 | return mySelectingVolumes[Frustum]->ProjectionMatrix(); |
118 | } |
119 | |
120 | //======================================================================= |
121 | // function : WorldViewMatrix |
122 | // purpose : Returns current world view transformation common for all |
123 | // selecting volumes |
124 | //======================================================================= |
125 | const Graphic3d_Mat4d& SelectMgr_SelectingVolumeManager::WorldViewMatrix() const |
126 | { |
127 | return mySelectingVolumes[Frustum]->WorldViewMatrix(); |
128 | } |
129 | |
130 | //======================================================================= |
131 | // function : WorldViewProjState |
132 | // purpose : Returns current camera world view projection transformation |
133 | // state common for all selecting volumes |
134 | //======================================================================= |
135 | const Graphic3d_WorldViewProjState& SelectMgr_SelectingVolumeManager::WorldViewProjState() const |
136 | { |
137 | return mySelectingVolumes[Frustum]->WorldViewProjState(); |
138 | } |
139 | |
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140 | //======================================================================= |
141 | // function : SetCamera |
142 | // purpose : Updates viewport in all selecting volumes |
143 | //======================================================================= |
144 | void SelectMgr_SelectingVolumeManager::SetViewport (const Standard_Real theX, |
145 | const Standard_Real theY, |
146 | const Standard_Real theWidth, |
147 | const Standard_Real theHeight) |
148 | { |
149 | for (Standard_Integer anIdx = 0; anIdx < VolumeTypesNb; ++anIdx) |
150 | { |
151 | mySelectingVolumes[anIdx]->SetViewport (theX, theY, theWidth, theHeight); |
152 | } |
153 | } |
154 | |
155 | //======================================================================= |
156 | // function : SetWindowSize |
157 | // purpose : Updates window size in all selecting volumes |
158 | //======================================================================= |
159 | void SelectMgr_SelectingVolumeManager::SetWindowSize (const Standard_Integer theWidth, |
160 | const Standard_Integer theHeight) |
161 | { |
162 | for (Standard_Integer anIdx = 0; anIdx < VolumeTypesNb; ++anIdx) |
163 | { |
164 | mySelectingVolumes[anIdx]->SetWindowSize (theWidth, theHeight); |
165 | } |
166 | } |
167 | |
168 | //======================================================================= |
169 | // function : SetPixelTolerance |
170 | // purpose : Updates pixel tolerance in all selecting volumes |
171 | //======================================================================= |
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172 | void SelectMgr_SelectingVolumeManager::SetPixelTolerance (const Standard_Integer theTolerance) |
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173 | { |
174 | for (Standard_Integer anIdx = 0; anIdx < VolumeTypesNb; ++anIdx) |
175 | { |
176 | mySelectingVolumes[anIdx]->SetPixelTolerance (theTolerance); |
177 | } |
178 | } |
179 | |
180 | //======================================================================= |
181 | // function : BuildSelectingVolume |
182 | // purpose : Builds rectangular selecting frustum for point selection |
183 | //======================================================================= |
184 | void SelectMgr_SelectingVolumeManager::BuildSelectingVolume (const gp_Pnt2d& thePoint) |
185 | { |
186 | if (myActiveSelectionType != Point) |
187 | return; |
188 | |
189 | mySelectingVolumes[Frustum]->Build (thePoint); |
190 | } |
191 | |
192 | //======================================================================= |
193 | // function : BuildSelectingVolume |
194 | // purpose : Builds rectangular selecting frustum for box selection |
195 | //======================================================================= |
196 | void SelectMgr_SelectingVolumeManager::BuildSelectingVolume (const gp_Pnt2d& theMinPt, |
197 | const gp_Pnt2d& theMaxPt) |
198 | { |
199 | if (myActiveSelectionType != Box) |
200 | return; |
201 | |
202 | mySelectingVolumes[Frustum]->Build (theMinPt, theMaxPt); |
203 | } |
204 | |
205 | //======================================================================= |
206 | // function : BuildSelectingVolume |
207 | // purpose : Builds set of triangular selecting frustums for polyline |
208 | // selection |
209 | //======================================================================= |
210 | void SelectMgr_SelectingVolumeManager::BuildSelectingVolume (const TColgp_Array1OfPnt2d& thePoints) |
211 | { |
212 | if (myActiveSelectionType != Polyline) |
213 | return; |
214 | |
215 | mySelectingVolumes[FrustumSet]->Build (thePoints); |
216 | } |
217 | |
218 | //======================================================================= |
219 | // function : Overlaps |
220 | // purpose : SAT intersection test between defined volume and |
221 | // given axis-aligned box |
222 | //======================================================================= |
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223 | Standard_Boolean SelectMgr_SelectingVolumeManager::Overlaps (const SelectMgr_Vec3& theBoxMin, |
224 | const SelectMgr_Vec3& theBoxMax, |
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225 | Standard_Real& theDepth) |
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226 | { |
227 | if (myActiveSelectionType == Unknown) |
228 | return Standard_False; |
229 | |
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230 | return mySelectingVolumes[myActiveSelectionType / 2]->Overlaps (theBoxMin, theBoxMax, theDepth); |
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231 | } |
232 | |
233 | //======================================================================= |
234 | // function : Overlaps |
235 | // purpose : Intersection test between defined volume and given point |
236 | //======================================================================= |
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237 | Standard_Boolean SelectMgr_SelectingVolumeManager::Overlaps (const SelectMgr_Vec3& theBoxMin, |
238 | const SelectMgr_Vec3& theBoxMax, |
239 | Standard_Boolean* theInside) |
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240 | { |
241 | if (myActiveSelectionType == Unknown) |
242 | return Standard_False; |
243 | |
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244 | return mySelectingVolumes[myActiveSelectionType / 2]->Overlaps (theBoxMin, theBoxMax, theInside); |
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245 | } |
246 | |
247 | //======================================================================= |
248 | // function : Overlaps |
249 | // purpose : Intersection test between defined volume and given point |
250 | //======================================================================= |
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251 | Standard_Boolean SelectMgr_SelectingVolumeManager::Overlaps (const gp_Pnt& thePnt, |
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252 | Standard_Real& theDepth) |
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253 | { |
254 | if (myActiveSelectionType == Unknown) |
255 | return Standard_False; |
256 | |
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257 | return mySelectingVolumes[myActiveSelectionType / 2]->Overlaps (thePnt, |
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258 | theDepth); |
259 | } |
260 | |
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261 | //======================================================================= |
262 | // function : Overlaps |
263 | // purpose : Intersection test between defined volume and given point |
264 | //======================================================================= |
265 | Standard_Boolean SelectMgr_SelectingVolumeManager::Overlaps (const gp_Pnt& thePnt) |
266 | { |
267 | if (myActiveSelectionType == Unknown) |
268 | return Standard_False; |
269 | |
270 | return mySelectingVolumes[myActiveSelectionType / 2]->Overlaps (thePnt); |
271 | } |
272 | |
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273 | //======================================================================= |
274 | // function : Overlaps |
275 | // purpose : SAT intersection test between defined volume and given |
276 | // ordered set of points, representing line segments. The test |
277 | // may be considered of interior part or boundary line defined |
278 | // by segments depending on given sensitivity type |
279 | //======================================================================= |
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280 | Standard_Boolean SelectMgr_SelectingVolumeManager::Overlaps (const Handle(TColgp_HArray1OfPnt)& theArrayOfPnts, |
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281 | Standard_Integer theSensType, |
282 | Standard_Real& theDepth) |
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283 | { |
284 | if (myActiveSelectionType == Unknown) |
285 | return Standard_False; |
286 | |
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287 | return mySelectingVolumes[myActiveSelectionType / 2]->Overlaps (theArrayOfPnts, |
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288 | (Select3D_TypeOfSensitivity)theSensType, |
289 | theDepth); |
290 | } |
291 | |
292 | //======================================================================= |
293 | // function : Overlaps |
294 | // purpose : Checks if line segment overlaps selecting volume |
295 | //======================================================================= |
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296 | Standard_Boolean SelectMgr_SelectingVolumeManager::Overlaps (const gp_Pnt& thePt1, |
297 | const gp_Pnt& thePt2, |
298 | Standard_Real& theDepth) |
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299 | { |
300 | if (myActiveSelectionType == Unknown) |
301 | return Standard_False; |
302 | |
303 | return mySelectingVolumes[myActiveSelectionType / 2]->Overlaps (thePt1, thePt2, theDepth); |
304 | } |
305 | |
306 | //======================================================================= |
307 | // function : Overlaps |
308 | // purpose : SAT intersection test between defined volume and given |
309 | // triangle. The test may be considered of interior part or |
310 | // boundary line defined by triangle vertices depending on |
311 | // given sensitivity type |
312 | //======================================================================= |
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313 | Standard_Boolean SelectMgr_SelectingVolumeManager::Overlaps (const gp_Pnt& thePt1, |
314 | const gp_Pnt& thePt2, |
315 | const gp_Pnt& thePt3, |
316 | Standard_Integer theSensType, |
317 | Standard_Real& theDepth) |
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318 | { |
319 | if (myActiveSelectionType == Unknown) |
320 | return Standard_False; |
321 | |
322 | return mySelectingVolumes[myActiveSelectionType / 2]->Overlaps (thePt1, |
323 | thePt2, |
324 | thePt3, |
325 | (Select3D_TypeOfSensitivity)theSensType, |
326 | theDepth); |
327 | } |
328 | |
329 | //======================================================================= |
330 | // function : DistToGeometryCenter |
331 | // purpose : Measures distance between 3d projection of user-picked |
332 | // screen point and given point theCOG |
333 | //======================================================================= |
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334 | Standard_Real SelectMgr_SelectingVolumeManager::DistToGeometryCenter (const gp_Pnt& theCOG) |
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335 | { |
336 | if (myActiveSelectionType == Unknown) |
337 | return Standard_False; |
338 | |
339 | return mySelectingVolumes[myActiveSelectionType / 2]->DistToGeometryCenter (theCOG); |
340 | } |
341 | |
342 | // ======================================================================= |
343 | // function : DetectedPoint |
344 | // purpose : Calculates the point on a view ray that was detected during |
345 | // the run of selection algo by given depth. Is valid for point |
346 | // selection only |
347 | // ======================================================================= |
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348 | gp_Pnt SelectMgr_SelectingVolumeManager::DetectedPoint (const Standard_Real theDepth) const |
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349 | { |
350 | if (myActiveSelectionType != Point) |
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351 | return gp_Pnt (RealLast(), RealLast(), RealLast()); |
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352 | |
353 | return mySelectingVolumes[Frustum]->DetectedPoint (theDepth); |
354 | } |
355 | |
356 | //======================================================================= |
357 | // function : IsClipped |
358 | // purpose : Checks if the point of sensitive in which selection was |
359 | // detected belongs to the region defined by clipping planes |
360 | //======================================================================= |
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361 | Standard_Boolean SelectMgr_SelectingVolumeManager::IsClipped (const Graphic3d_SequenceOfHClipPlane& thePlanes, |
362 | const Standard_Real& theDepth) |
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363 | { |
364 | if (myActiveSelectionType == Point) |
365 | return Standard_False; |
366 | |
367 | return mySelectingVolumes[Frustum]->IsClipped (thePlanes, theDepth); |
368 | } |
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369 | |
370 | //======================================================================= |
371 | // function : AllowOverlapDetection |
372 | // purpose : If theIsToAllow is false, only fully included sensitives will |
373 | // be detected, otherwise the algorithm will mark both included |
374 | // and overlapped entities as matched |
375 | //======================================================================= |
376 | void SelectMgr_SelectingVolumeManager::AllowOverlapDetection (const Standard_Boolean theIsToAllow) |
377 | { |
378 | myToAllowOverlap = theIsToAllow; |
379 | } |
380 | |
381 | //======================================================================= |
382 | // function : IsOverlapAllowed |
383 | // purpose : |
384 | //======================================================================= |
385 | Standard_Boolean SelectMgr_SelectingVolumeManager::IsOverlapAllowed() const |
386 | { |
387 | return myActiveSelectionType != Box || myToAllowOverlap; |
388 | } |
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389 | |
390 | //======================================================================= |
391 | // function : GetVertices |
392 | // purpose : |
393 | //======================================================================= |
394 | const gp_Pnt* SelectMgr_SelectingVolumeManager::GetVertices() const |
395 | { |
396 | if (myActiveSelectionType == Polyline) |
397 | return NULL; |
398 | |
399 | const SelectMgr_RectangularFrustum* aFr = |
400 | reinterpret_cast<const SelectMgr_RectangularFrustum*> (mySelectingVolumes[myActiveSelectionType / 2].get()); |
401 | return aFr->GetVertices(); |
402 | } |
403 | |
404 | //======================================================================= |
405 | // function : GetNearPnt |
406 | // purpose : |
407 | //======================================================================= |
408 | gp_Pnt SelectMgr_SelectingVolumeManager::GetNearPnt() const |
409 | { |
410 | if (myActiveSelectionType == Polyline) |
411 | return gp_Pnt(); |
412 | |
413 | const SelectMgr_RectangularFrustum* aFr = |
414 | reinterpret_cast<const SelectMgr_RectangularFrustum*> (mySelectingVolumes[myActiveSelectionType / 2].get()); |
415 | return aFr->GetNearPnt(); |
416 | } |
417 | |
418 | //======================================================================= |
419 | // function : GetFarPnt |
420 | // purpose : |
421 | //======================================================================= |
422 | gp_Pnt SelectMgr_SelectingVolumeManager::GetFarPnt() const |
423 | { |
424 | if (myActiveSelectionType == Polyline) |
425 | return gp_Pnt(); |
426 | |
427 | const SelectMgr_RectangularFrustum* aFr = |
428 | reinterpret_cast<const SelectMgr_RectangularFrustum*> (mySelectingVolumes[myActiveSelectionType / 2].get()); |
429 | return aFr->GetFarPnt(); |
430 | } |