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1 | // Created on: 2015-11-23 |
2 | // Created by: Anastasia BORISOVA |
3 | // Copyright (c) 2015 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 <AIS_RubberBand.hxx> |
17 | #include <BRepMesh_DataStructureOfDelaun.hxx> |
18 | #include <BRepMesh_Delaun.hxx> |
19 | #include <Graphic3d_ArrayOfPolygons.hxx> |
20 | #include <Graphic3d_ArrayOfPolylines.hxx> |
21 | #include <Graphic3d_AspectFillArea3d.hxx> |
22 | #include <Graphic3d_GraphicDriver.hxx> |
23 | #include <Graphic3d_ArrayOfTriangles.hxx> |
24 | #include <Graphic3d_TransModeFlags.hxx> |
25 | #include <Graphic3d_ZLayerId.hxx> |
26 | #include <Prs3d_LineAspect.hxx> |
27 | #include <Prs3d_Root.hxx> |
28 | #include <Prs3d_ShadingAspect.hxx> |
29 | #include <SelectMgr_EntityOwner.hxx> |
30 | #include <V3d_Viewer.hxx> |
31 | #include <V3d_View.hxx> |
32 | |
33 | |
34 | #define MEMORY_BLOCK_SIZE 512 * 7 |
35 | |
36 | IMPLEMENT_STANDARD_RTTIEXT(AIS_RubberBand, AIS_InteractiveObject) |
37 | //======================================================================= |
38 | //function : Constructor |
39 | //purpose : |
40 | //======================================================================= |
41 | AIS_RubberBand::AIS_RubberBand() |
42 | { |
43 | myDrawer->SetLineAspect (new Prs3d_LineAspect (Quantity_NOC_WHITE, Aspect_TOL_SOLID, 1.0)); |
44 | myDrawer->SetShadingAspect (new Prs3d_ShadingAspect()); |
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45 | myDrawer->ShadingAspect()->SetMaterial (Graphic3d_NOM_PLASTIC); |
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46 | myDrawer->ShadingAspect()->Aspect()->SetInteriorStyle (Aspect_IS_EMPTY); |
47 | myDrawer->ShadingAspect()->SetTransparency (1.0); |
48 | myDrawer->ShadingAspect()->SetColor (Quantity_NOC_WHITE); |
49 | |
50 | SetTransformPersistence (Graphic3d_TMF_2d, gp_Pnt(-1, -1, 0)); |
51 | SetZLayer (Graphic3d_ZLayerId_TopOSD); |
52 | } |
53 | |
54 | //======================================================================= |
55 | //function : Constructor |
56 | //purpose : |
57 | //======================================================================= |
58 | AIS_RubberBand::AIS_RubberBand (const Quantity_Color& theLineColor, |
59 | const Aspect_TypeOfLine theLineType, |
60 | const Standard_Real theWidth) |
61 | { |
62 | myDrawer->SetLineAspect (new Prs3d_LineAspect (theLineColor, theLineType, theWidth)); |
63 | myDrawer->SetShadingAspect (new Prs3d_ShadingAspect()); |
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64 | myDrawer->ShadingAspect()->SetMaterial (Graphic3d_NOM_PLASTIC); |
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65 | myDrawer->ShadingAspect()->Aspect()->SetInteriorStyle (Aspect_IS_EMPTY); |
66 | myDrawer->ShadingAspect()->SetTransparency (1.0); |
67 | myDrawer->ShadingAspect()->SetColor (Quantity_NOC_WHITE); |
68 | |
69 | SetTransformPersistence (Graphic3d_TMF_2d, gp_Pnt(-1, -1, 0)); |
70 | SetZLayer (Graphic3d_ZLayerId_TopOSD); |
71 | } |
72 | |
73 | //======================================================================= |
74 | //function : Constructor |
75 | //purpose : |
76 | //======================================================================= |
77 | AIS_RubberBand::AIS_RubberBand (const Quantity_Color& theLineColor, |
78 | const Aspect_TypeOfLine theLineType, |
79 | const Quantity_Color theFillColor, |
80 | const Standard_Real theTransparency, |
81 | const Standard_Real theLineWidth) |
82 | { |
83 | myDrawer->SetLineAspect (new Prs3d_LineAspect (theLineColor, theLineType, theLineWidth)); |
84 | myDrawer->SetShadingAspect (new Prs3d_ShadingAspect()); |
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85 | myDrawer->ShadingAspect()->SetMaterial (Graphic3d_NOM_PLASTIC); |
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86 | myDrawer->ShadingAspect()->SetColor (theFillColor); |
87 | myDrawer->ShadingAspect()->Aspect()->SetInteriorStyle (Aspect_IS_SOLID); |
88 | myDrawer->ShadingAspect()->SetTransparency (theTransparency); |
89 | |
90 | SetTransformPersistence (Graphic3d_TMF_2d, gp_Pnt(-1, -1, 0)); |
91 | SetZLayer (Graphic3d_ZLayerId_TopOSD); |
92 | } |
93 | |
94 | //======================================================================= |
95 | //function : Destructor |
96 | //purpose : |
97 | //======================================================================= |
98 | AIS_RubberBand::~AIS_RubberBand() |
99 | { |
100 | myPoints.Clear(); |
101 | myTriangles.Nullify(); |
102 | myBorders.Nullify(); |
103 | } |
104 | |
105 | //======================================================================= |
106 | //function : SetRectangle |
107 | //purpose : |
108 | //======================================================================= |
109 | void AIS_RubberBand::SetRectangle (const Standard_Integer theMinX, const Standard_Integer theMinY, |
110 | const Standard_Integer theMaxX, const Standard_Integer theMaxY) |
111 | { |
112 | myPoints.Clear(); |
113 | myPoints.Append (Graphic3d_Vec2i (theMinX, theMinY)); |
114 | myPoints.Append (Graphic3d_Vec2i (theMinX, theMaxY)); |
115 | myPoints.Append (Graphic3d_Vec2i (theMaxX, theMaxY)); |
116 | myPoints.Append (Graphic3d_Vec2i (theMaxX, theMinY)); |
117 | } |
118 | |
119 | //======================================================================= |
120 | //function : AddPoint |
121 | //purpose : |
122 | //======================================================================= |
123 | void AIS_RubberBand::AddPoint (const Graphic3d_Vec2i& thePoint) |
124 | { |
125 | myPoints.Append (thePoint); |
126 | } |
127 | |
128 | //======================================================================= |
129 | //function : AddPoint |
130 | //purpose : |
131 | //======================================================================= |
132 | void AIS_RubberBand::RemoveLastPoint() |
133 | { |
134 | myPoints.Remove (myPoints.Length()); |
135 | } |
136 | |
137 | //======================================================================= |
138 | //function : GetPoints |
139 | //purpose : |
140 | //======================================================================= |
141 | const NCollection_Sequence<Graphic3d_Vec2i>& AIS_RubberBand::Points() const |
142 | { |
143 | return myPoints; |
144 | } |
145 | |
146 | //======================================================================= |
147 | //function : LineColor |
148 | //purpose : |
149 | //======================================================================= |
150 | Quantity_Color AIS_RubberBand::LineColor() const |
151 | { |
152 | Quantity_Color aColor; |
153 | Standard_Real aWidth; |
154 | Aspect_TypeOfLine aTOL; |
155 | myDrawer->LineAspect()->Aspect()->Values (aColor, aTOL, aWidth); |
156 | return aColor; |
157 | } |
158 | |
159 | //======================================================================= |
160 | //function : SetLineColor |
161 | //purpose : |
162 | //======================================================================= |
163 | void AIS_RubberBand::SetLineColor (const Quantity_Color& theColor) |
164 | { |
165 | myDrawer->LineAspect()->SetColor (theColor); |
166 | } |
167 | |
168 | //======================================================================= |
169 | //function : FillColor |
170 | //purpose : |
171 | //======================================================================= |
172 | Quantity_Color AIS_RubberBand::FillColor() const |
173 | { |
174 | return myDrawer->ShadingAspect()->Color(); |
175 | } |
176 | |
177 | //======================================================================= |
178 | //function : SetFillColor |
179 | //purpose : |
180 | //======================================================================= |
181 | void AIS_RubberBand::SetFillColor (const Quantity_Color& theColor) |
182 | { |
183 | myDrawer->ShadingAspect()->SetColor (theColor); |
184 | } |
185 | |
186 | //======================================================================= |
187 | //function : SetLineWidth |
188 | //purpose : |
189 | //======================================================================= |
190 | void AIS_RubberBand::SetLineWidth (const Standard_Real theWidth) const |
191 | { |
192 | myDrawer->LineAspect()->SetWidth (theWidth); |
193 | } |
194 | |
195 | //======================================================================= |
196 | //function : SetLineWidth |
197 | //purpose : |
198 | //======================================================================= |
199 | Standard_Real AIS_RubberBand::LineWidth() const |
200 | { |
201 | Quantity_Color aColor; |
202 | Standard_Real aWidth; |
203 | Aspect_TypeOfLine aTOL; |
204 | myDrawer->LineAspect()->Aspect()->Values (aColor, aTOL, aWidth); |
205 | return aWidth; |
206 | } |
207 | |
208 | //======================================================================= |
209 | //function : SetLineType |
210 | //purpose : |
211 | //======================================================================= |
212 | void AIS_RubberBand::SetLineType (const Aspect_TypeOfLine theType) |
213 | { |
214 | myDrawer->LineAspect()->SetTypeOfLine (theType); |
215 | } |
216 | |
217 | //======================================================================= |
218 | //function : LineType |
219 | //purpose : |
220 | //======================================================================= |
221 | Aspect_TypeOfLine AIS_RubberBand::LineType() const |
222 | { |
223 | Quantity_Color aColor; |
224 | Standard_Real aWidth; |
225 | Aspect_TypeOfLine aTOL; |
226 | myDrawer->LineAspect()->Aspect()->Values (aColor, aTOL, aWidth); |
227 | return aTOL; |
228 | } |
229 | |
230 | //======================================================================= |
231 | //function : SetFillTransparency |
232 | //purpose : |
233 | //======================================================================= |
234 | void AIS_RubberBand::SetFillTransparency (const Standard_Real theValue) const |
235 | { |
236 | myDrawer->ShadingAspect()->SetTransparency (theValue); |
237 | } |
238 | |
239 | //======================================================================= |
240 | //function : SetFillTransparency |
241 | //purpose : |
242 | //======================================================================= |
243 | Standard_Real AIS_RubberBand::FillTransparency() const |
244 | { |
245 | return myDrawer->ShadingAspect()->Transparency(); |
246 | } |
247 | |
248 | //======================================================================= |
249 | //function : SetFilling |
250 | //purpose : |
251 | //======================================================================= |
252 | void AIS_RubberBand::SetFilling (const Standard_Boolean theIsFilling) |
253 | { |
254 | myDrawer->ShadingAspect()->Aspect()->SetInteriorStyle (theIsFilling ? Aspect_IS_SOLID : Aspect_IS_EMPTY); |
255 | } |
256 | |
257 | //======================================================================= |
258 | //function : SetFilling |
259 | //purpose : |
260 | //======================================================================= |
261 | void AIS_RubberBand::SetFilling (const Quantity_Color theColor, const Standard_Real theTransparency) |
262 | { |
263 | SetFilling (Standard_True); |
264 | SetFillTransparency (theTransparency); |
265 | SetFillColor (theColor); |
266 | } |
267 | |
268 | //======================================================================= |
269 | //function : IsFilling |
270 | //purpose : |
271 | //======================================================================= |
272 | Standard_Boolean AIS_RubberBand::IsFilling() const |
273 | { |
274 | Aspect_InteriorStyle aStyle; |
275 | Quantity_Color anIntColor, anEdgeColor; |
276 | Aspect_TypeOfLine aTOL; |
277 | Standard_Real aWidth; |
278 | myDrawer->ShadingAspect()->Aspect()->Values (aStyle, anIntColor, anEdgeColor, aTOL, aWidth); |
279 | return aStyle != Aspect_IS_EMPTY; |
280 | } |
281 | |
282 | //======================================================================= |
283 | //function : fillTriangles |
284 | //purpose : |
285 | //======================================================================= |
286 | Standard_Boolean AIS_RubberBand::fillTriangles() |
287 | { |
288 | Handle(NCollection_IncAllocator) anAllocator = new NCollection_IncAllocator (MEMORY_BLOCK_SIZE); |
289 | Handle(BRepMesh_DataStructureOfDelaun) aMeshStructure = new BRepMesh_DataStructureOfDelaun(anAllocator); |
290 | Standard_Integer aPtsLower = myPoints.Lower(); |
291 | Standard_Integer aPtsUpper = myPoints.Upper(); |
292 | BRepMesh::Array1OfInteger anIndexes (0, myPoints.Length() - 1); |
293 | for (Standard_Integer aPtIdx = aPtsLower; aPtIdx <= aPtsUpper; ++aPtIdx) |
294 | { |
295 | gp_XY aP ((Standard_Real)myPoints.Value (aPtIdx).x(), |
296 | (Standard_Real)myPoints.Value (aPtIdx).y()); |
297 | BRepMesh_Vertex aVertex (aP, aPtIdx, BRepMesh_Frontier); |
298 | anIndexes.ChangeValue (aPtIdx - aPtsLower) = aMeshStructure->AddNode (aVertex); |
299 | } |
300 | |
301 | Standard_Real aPtSum = 0; |
302 | for (Standard_Integer aIdx = aPtsLower; aIdx <= aPtsUpper; ++aIdx) |
303 | { |
304 | Standard_Integer aNextIdx = (aIdx % myPoints.Length()) + 1; |
305 | aPtSum += (Standard_Real)(myPoints.Value (aNextIdx).x() - myPoints.Value (aIdx).x()) |
306 | * (Standard_Real)(myPoints.Value (aNextIdx).y() + myPoints.Value (aIdx).y()); |
307 | } |
308 | Standard_Boolean isClockwiseOrdered = aPtSum < 0; |
309 | |
310 | for (Standard_Integer aIdx = 0; aIdx < anIndexes.Length(); ++aIdx) |
311 | { |
312 | Standard_Integer aPtIdx = isClockwiseOrdered ? aIdx : (aIdx + 1) % anIndexes.Length(); |
313 | Standard_Integer aNextPtIdx = isClockwiseOrdered ? (aIdx + 1) % anIndexes.Length() : aIdx; |
314 | BRepMesh_Edge anEdge (anIndexes.Value (aPtIdx), |
315 | anIndexes.Value (aNextPtIdx), |
316 | BRepMesh_Frontier); |
317 | aMeshStructure->AddLink (anEdge); |
318 | } |
319 | |
320 | BRepMesh_Delaun aTriangulation (aMeshStructure, anIndexes); |
321 | const BRepMesh::MapOfInteger& aTriangles = aMeshStructure->ElementsOfDomain(); |
322 | if (aTriangles.Extent() < 1) |
323 | return Standard_False; |
324 | |
325 | |
326 | Standard_Boolean toFill = Standard_False; |
327 | if (myTriangles.IsNull() || myTriangles->VertexNumber() != myPoints.Length() + 1) |
328 | { |
329 | toFill = Standard_True; |
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330 | myTriangles = new Graphic3d_ArrayOfTriangles (aTriangles.Extent() * 3, 0, Standard_True); |
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331 | } |
332 | |
333 | Standard_Integer aVertexIndex = 1; |
334 | BRepMesh::MapOfInteger::Iterator aTriangleIt (aTriangles); |
335 | for (; aTriangleIt.More(); aTriangleIt.Next()) |
336 | { |
337 | const Standard_Integer aTriangleId = aTriangleIt.Key(); |
338 | const BRepMesh_Triangle& aCurrentTriangle = aMeshStructure->GetElement (aTriangleId); |
339 | |
340 | if (aCurrentTriangle.Movability() == BRepMesh_Deleted) |
341 | continue; |
342 | |
343 | Standard_Integer aTriangleVerts[3]; |
344 | aMeshStructure->ElementNodes (aCurrentTriangle, aTriangleVerts); |
345 | |
346 | gp_Pnt2d aPts[3]; |
347 | for (Standard_Integer aVertIdx = 0; aVertIdx < 3; ++aVertIdx) |
348 | { |
349 | const BRepMesh_Vertex& aVertex = aMeshStructure->GetNode (aTriangleVerts[aVertIdx]); |
350 | aPts[aVertIdx] = aVertex.Coord(); |
351 | } |
352 | |
353 | if (toFill) |
354 | { |
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355 | gp_Dir aNorm = gp::DZ(); |
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356 | for (Standard_Integer anIt = 0; anIt < 3; ++anIt) |
357 | { |
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358 | myTriangles->AddVertex (aPts[anIt].X(), aPts[anIt].Y(), 0.0, |
359 | aNorm.X(), aNorm.Y(), aNorm.Z()); |
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360 | } |
361 | } |
362 | else |
363 | { |
364 | for (Standard_Integer anIt = 0; anIt < 3; ++anIt) |
365 | { |
366 | myTriangles->SetVertice (aVertexIndex++, (Standard_ShortReal)aPts[anIt].X(), (Standard_ShortReal)aPts[anIt].Y(), 0.0f); |
367 | } |
368 | } |
369 | } |
370 | |
371 | aMeshStructure.Nullify(); |
372 | anAllocator.Nullify(); |
373 | |
374 | return Standard_True; |
375 | } |
376 | |
377 | //======================================================================= |
378 | //function : Compute |
379 | //purpose : |
380 | //======================================================================= |
381 | void AIS_RubberBand::Compute (const Handle(PrsMgr_PresentationManager3d)& /*thePresentationManager*/, |
382 | const Handle(Prs3d_Presentation)& thePresentation, |
383 | const Standard_Integer /*theMode*/) |
384 | { |
385 | Handle (Graphic3d_Group) aGroup = Prs3d_Root::CurrentGroup (thePresentation); |
386 | |
387 | // Draw filling |
388 | if (IsFilling() && fillTriangles()) |
389 | { |
390 | aGroup->SetGroupPrimitivesAspect (myDrawer->ShadingAspect()->Aspect()); |
391 | aGroup->AddPrimitiveArray (myTriangles); |
392 | } |
393 | |
394 | // Draw frame |
395 | if (myBorders.IsNull() || myBorders->VertexNumber() != myPoints.Length() + 1) |
396 | { |
397 | myBorders = new Graphic3d_ArrayOfPolylines (myPoints.Length() + 1); |
398 | for (Standard_Integer anIt = 1; anIt <= myPoints.Length(); anIt++) |
399 | { |
400 | myBorders->AddVertex ((Standard_Real)myPoints.Value (anIt).x(), |
401 | (Standard_Real)myPoints.Value (anIt).y(), 0.0); |
402 | } |
403 | |
404 | myBorders->AddVertex ((Standard_Real)myPoints.Value(1).x(), |
405 | (Standard_Real)myPoints.Value(1).y(), 0.0); |
406 | |
407 | } |
408 | else |
409 | { |
410 | for (Standard_Integer anIt = 1; anIt <= myPoints.Length(); anIt++) |
411 | { |
412 | myBorders->SetVertice (anIt, (Standard_ShortReal)myPoints.Value (anIt).x(), |
413 | (Standard_ShortReal)myPoints.Value (anIt).y(), 0.0f); |
414 | } |
415 | |
416 | myBorders->SetVertice (myPoints.Length() + 1, (Standard_ShortReal)myPoints.Value(1).x(), |
417 | (Standard_ShortReal)myPoints.Value(1).y(), 0.0f); |
418 | } |
419 | |
420 | aGroup->SetGroupPrimitivesAspect (myDrawer->LineAspect()->Aspect()); |
421 | aGroup->AddPrimitiveArray (myBorders); |
422 | } |