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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() |
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42 | : myIsPolygonClosed(Standard_True) |
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43 | { |
44 | myDrawer->SetLineAspect (new Prs3d_LineAspect (Quantity_NOC_WHITE, Aspect_TOL_SOLID, 1.0)); |
45 | myDrawer->SetShadingAspect (new Prs3d_ShadingAspect()); |
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46 | myDrawer->ShadingAspect()->SetMaterial (Graphic3d_NOM_PLASTIC); |
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47 | myDrawer->ShadingAspect()->Aspect()->SetInteriorStyle (Aspect_IS_EMPTY); |
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48 | myDrawer->ShadingAspect()->Aspect()->SetAlphaMode (Graphic3d_AlphaMode_Blend); |
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49 | myDrawer->ShadingAspect()->SetTransparency (1.0); |
50 | myDrawer->ShadingAspect()->SetColor (Quantity_NOC_WHITE); |
51 | |
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52 | SetTransformPersistence (new Graphic3d_TransformPers (Graphic3d_TMF_2d, Aspect_TOTP_LEFT_LOWER)); |
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53 | SetZLayer (Graphic3d_ZLayerId_TopOSD); |
54 | } |
55 | |
56 | //======================================================================= |
57 | //function : Constructor |
58 | //purpose : |
59 | //======================================================================= |
60 | AIS_RubberBand::AIS_RubberBand (const Quantity_Color& theLineColor, |
61 | const Aspect_TypeOfLine theLineType, |
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62 | const Standard_Real theWidth, |
63 | const Standard_Boolean theIsPolygonClosed) |
64 | : myIsPolygonClosed(theIsPolygonClosed) |
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65 | { |
66 | myDrawer->SetLineAspect (new Prs3d_LineAspect (theLineColor, theLineType, theWidth)); |
67 | myDrawer->SetShadingAspect (new Prs3d_ShadingAspect()); |
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68 | myDrawer->ShadingAspect()->SetMaterial (Graphic3d_NOM_PLASTIC); |
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69 | myDrawer->ShadingAspect()->Aspect()->SetInteriorStyle (Aspect_IS_EMPTY); |
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70 | myDrawer->ShadingAspect()->Aspect()->SetAlphaMode (Graphic3d_AlphaMode_Blend); |
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71 | myDrawer->ShadingAspect()->SetTransparency (1.0); |
72 | myDrawer->ShadingAspect()->SetColor (Quantity_NOC_WHITE); |
73 | |
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74 | SetTransformPersistence (new Graphic3d_TransformPers (Graphic3d_TMF_2d, Aspect_TOTP_LEFT_LOWER)); |
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75 | SetZLayer (Graphic3d_ZLayerId_TopOSD); |
76 | } |
77 | |
78 | //======================================================================= |
79 | //function : Constructor |
80 | //purpose : |
81 | //======================================================================= |
82 | AIS_RubberBand::AIS_RubberBand (const Quantity_Color& theLineColor, |
83 | const Aspect_TypeOfLine theLineType, |
84 | const Quantity_Color theFillColor, |
85 | const Standard_Real theTransparency, |
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86 | const Standard_Real theLineWidth, |
87 | const Standard_Boolean theIsPolygonClosed) |
88 | : myIsPolygonClosed (theIsPolygonClosed) |
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89 | { |
90 | myDrawer->SetLineAspect (new Prs3d_LineAspect (theLineColor, theLineType, theLineWidth)); |
91 | myDrawer->SetShadingAspect (new Prs3d_ShadingAspect()); |
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92 | myDrawer->ShadingAspect()->SetMaterial (Graphic3d_NOM_PLASTIC); |
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93 | myDrawer->ShadingAspect()->SetColor (theFillColor); |
94 | myDrawer->ShadingAspect()->Aspect()->SetInteriorStyle (Aspect_IS_SOLID); |
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95 | myDrawer->ShadingAspect()->Aspect()->SetAlphaMode (Graphic3d_AlphaMode_Blend); |
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96 | myDrawer->ShadingAspect()->SetTransparency (theTransparency); |
97 | |
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98 | SetTransformPersistence (new Graphic3d_TransformPers (Graphic3d_TMF_2d, Aspect_TOTP_LEFT_LOWER)); |
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99 | SetZLayer (Graphic3d_ZLayerId_TopOSD); |
100 | } |
101 | |
102 | //======================================================================= |
103 | //function : Destructor |
104 | //purpose : |
105 | //======================================================================= |
106 | AIS_RubberBand::~AIS_RubberBand() |
107 | { |
108 | myPoints.Clear(); |
109 | myTriangles.Nullify(); |
110 | myBorders.Nullify(); |
111 | } |
112 | |
113 | //======================================================================= |
114 | //function : SetRectangle |
115 | //purpose : |
116 | //======================================================================= |
117 | void AIS_RubberBand::SetRectangle (const Standard_Integer theMinX, const Standard_Integer theMinY, |
118 | const Standard_Integer theMaxX, const Standard_Integer theMaxY) |
119 | { |
120 | myPoints.Clear(); |
121 | myPoints.Append (Graphic3d_Vec2i (theMinX, theMinY)); |
122 | myPoints.Append (Graphic3d_Vec2i (theMinX, theMaxY)); |
123 | myPoints.Append (Graphic3d_Vec2i (theMaxX, theMaxY)); |
124 | myPoints.Append (Graphic3d_Vec2i (theMaxX, theMinY)); |
125 | } |
126 | |
127 | //======================================================================= |
128 | //function : AddPoint |
129 | //purpose : |
130 | //======================================================================= |
131 | void AIS_RubberBand::AddPoint (const Graphic3d_Vec2i& thePoint) |
132 | { |
133 | myPoints.Append (thePoint); |
134 | } |
135 | |
136 | //======================================================================= |
137 | //function : AddPoint |
138 | //purpose : |
139 | //======================================================================= |
140 | void AIS_RubberBand::RemoveLastPoint() |
141 | { |
142 | myPoints.Remove (myPoints.Length()); |
143 | } |
144 | |
145 | //======================================================================= |
146 | //function : GetPoints |
147 | //purpose : |
148 | //======================================================================= |
149 | const NCollection_Sequence<Graphic3d_Vec2i>& AIS_RubberBand::Points() const |
150 | { |
151 | return myPoints; |
152 | } |
153 | |
154 | //======================================================================= |
155 | //function : LineColor |
156 | //purpose : |
157 | //======================================================================= |
158 | Quantity_Color AIS_RubberBand::LineColor() const |
159 | { |
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160 | return myDrawer->LineAspect()->Aspect()->Color(); |
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161 | } |
162 | |
163 | //======================================================================= |
164 | //function : SetLineColor |
165 | //purpose : |
166 | //======================================================================= |
167 | void AIS_RubberBand::SetLineColor (const Quantity_Color& theColor) |
168 | { |
169 | myDrawer->LineAspect()->SetColor (theColor); |
170 | } |
171 | |
172 | //======================================================================= |
173 | //function : FillColor |
174 | //purpose : |
175 | //======================================================================= |
176 | Quantity_Color AIS_RubberBand::FillColor() const |
177 | { |
178 | return myDrawer->ShadingAspect()->Color(); |
179 | } |
180 | |
181 | //======================================================================= |
182 | //function : SetFillColor |
183 | //purpose : |
184 | //======================================================================= |
185 | void AIS_RubberBand::SetFillColor (const Quantity_Color& theColor) |
186 | { |
187 | myDrawer->ShadingAspect()->SetColor (theColor); |
188 | } |
189 | |
190 | //======================================================================= |
191 | //function : SetLineWidth |
192 | //purpose : |
193 | //======================================================================= |
194 | void AIS_RubberBand::SetLineWidth (const Standard_Real theWidth) const |
195 | { |
196 | myDrawer->LineAspect()->SetWidth (theWidth); |
197 | } |
198 | |
199 | //======================================================================= |
200 | //function : SetLineWidth |
201 | //purpose : |
202 | //======================================================================= |
203 | Standard_Real AIS_RubberBand::LineWidth() const |
204 | { |
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205 | return myDrawer->LineAspect()->Aspect()->Width(); |
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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 | { |
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223 | return myDrawer->LineAspect()->Aspect()->Type(); |
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224 | } |
225 | |
226 | //======================================================================= |
227 | //function : SetFillTransparency |
228 | //purpose : |
229 | //======================================================================= |
230 | void AIS_RubberBand::SetFillTransparency (const Standard_Real theValue) const |
231 | { |
232 | myDrawer->ShadingAspect()->SetTransparency (theValue); |
233 | } |
234 | |
235 | //======================================================================= |
236 | //function : SetFillTransparency |
237 | //purpose : |
238 | //======================================================================= |
239 | Standard_Real AIS_RubberBand::FillTransparency() const |
240 | { |
241 | return myDrawer->ShadingAspect()->Transparency(); |
242 | } |
243 | |
244 | //======================================================================= |
245 | //function : SetFilling |
246 | //purpose : |
247 | //======================================================================= |
248 | void AIS_RubberBand::SetFilling (const Standard_Boolean theIsFilling) |
249 | { |
250 | myDrawer->ShadingAspect()->Aspect()->SetInteriorStyle (theIsFilling ? Aspect_IS_SOLID : Aspect_IS_EMPTY); |
251 | } |
252 | |
253 | //======================================================================= |
254 | //function : SetFilling |
255 | //purpose : |
256 | //======================================================================= |
257 | void AIS_RubberBand::SetFilling (const Quantity_Color theColor, const Standard_Real theTransparency) |
258 | { |
259 | SetFilling (Standard_True); |
260 | SetFillTransparency (theTransparency); |
261 | SetFillColor (theColor); |
262 | } |
263 | |
264 | //======================================================================= |
265 | //function : IsFilling |
266 | //purpose : |
267 | //======================================================================= |
268 | Standard_Boolean AIS_RubberBand::IsFilling() const |
269 | { |
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270 | Aspect_InteriorStyle aStyle = myDrawer->ShadingAspect()->Aspect()->InteriorStyle(); |
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271 | return aStyle != Aspect_IS_EMPTY; |
272 | } |
273 | |
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274 | //======================================================================= |
275 | //function : IsPolygonClosed |
276 | //purpose : |
277 | //======================================================================= |
278 | Standard_Boolean AIS_RubberBand::IsPolygonClosed() const |
279 | { |
280 | return myIsPolygonClosed; |
281 | } |
282 | |
283 | //======================================================================= |
284 | //function : SetPolygonClosed |
285 | //purpose : |
286 | //======================================================================= |
287 | void AIS_RubberBand::SetPolygonClosed(Standard_Boolean theIsPolygonClosed) |
288 | { |
289 | myIsPolygonClosed = theIsPolygonClosed; |
290 | } |
291 | |
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292 | //======================================================================= |
293 | //function : fillTriangles |
294 | //purpose : |
295 | //======================================================================= |
296 | Standard_Boolean AIS_RubberBand::fillTriangles() |
297 | { |
298 | Handle(NCollection_IncAllocator) anAllocator = new NCollection_IncAllocator (MEMORY_BLOCK_SIZE); |
299 | Handle(BRepMesh_DataStructureOfDelaun) aMeshStructure = new BRepMesh_DataStructureOfDelaun(anAllocator); |
300 | Standard_Integer aPtsLower = myPoints.Lower(); |
301 | Standard_Integer aPtsUpper = myPoints.Upper(); |
302 | BRepMesh::Array1OfInteger anIndexes (0, myPoints.Length() - 1); |
303 | for (Standard_Integer aPtIdx = aPtsLower; aPtIdx <= aPtsUpper; ++aPtIdx) |
304 | { |
305 | gp_XY aP ((Standard_Real)myPoints.Value (aPtIdx).x(), |
306 | (Standard_Real)myPoints.Value (aPtIdx).y()); |
307 | BRepMesh_Vertex aVertex (aP, aPtIdx, BRepMesh_Frontier); |
308 | anIndexes.ChangeValue (aPtIdx - aPtsLower) = aMeshStructure->AddNode (aVertex); |
309 | } |
310 | |
311 | Standard_Real aPtSum = 0; |
312 | for (Standard_Integer aIdx = aPtsLower; aIdx <= aPtsUpper; ++aIdx) |
313 | { |
314 | Standard_Integer aNextIdx = (aIdx % myPoints.Length()) + 1; |
315 | aPtSum += (Standard_Real)(myPoints.Value (aNextIdx).x() - myPoints.Value (aIdx).x()) |
316 | * (Standard_Real)(myPoints.Value (aNextIdx).y() + myPoints.Value (aIdx).y()); |
317 | } |
318 | Standard_Boolean isClockwiseOrdered = aPtSum < 0; |
319 | |
320 | for (Standard_Integer aIdx = 0; aIdx < anIndexes.Length(); ++aIdx) |
321 | { |
322 | Standard_Integer aPtIdx = isClockwiseOrdered ? aIdx : (aIdx + 1) % anIndexes.Length(); |
323 | Standard_Integer aNextPtIdx = isClockwiseOrdered ? (aIdx + 1) % anIndexes.Length() : aIdx; |
324 | BRepMesh_Edge anEdge (anIndexes.Value (aPtIdx), |
325 | anIndexes.Value (aNextPtIdx), |
326 | BRepMesh_Frontier); |
327 | aMeshStructure->AddLink (anEdge); |
328 | } |
329 | |
330 | BRepMesh_Delaun aTriangulation (aMeshStructure, anIndexes); |
331 | const BRepMesh::MapOfInteger& aTriangles = aMeshStructure->ElementsOfDomain(); |
332 | if (aTriangles.Extent() < 1) |
333 | return Standard_False; |
334 | |
335 | |
336 | Standard_Boolean toFill = Standard_False; |
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337 | if (myTriangles.IsNull() || myTriangles->VertexNumber() != aTriangles.Extent() * 3) |
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338 | { |
339 | toFill = Standard_True; |
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340 | myTriangles = new Graphic3d_ArrayOfTriangles (aTriangles.Extent() * 3, 0, Standard_True); |
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341 | } |
342 | |
343 | Standard_Integer aVertexIndex = 1; |
344 | BRepMesh::MapOfInteger::Iterator aTriangleIt (aTriangles); |
345 | for (; aTriangleIt.More(); aTriangleIt.Next()) |
346 | { |
347 | const Standard_Integer aTriangleId = aTriangleIt.Key(); |
348 | const BRepMesh_Triangle& aCurrentTriangle = aMeshStructure->GetElement (aTriangleId); |
349 | |
350 | if (aCurrentTriangle.Movability() == BRepMesh_Deleted) |
351 | continue; |
352 | |
353 | Standard_Integer aTriangleVerts[3]; |
354 | aMeshStructure->ElementNodes (aCurrentTriangle, aTriangleVerts); |
355 | |
356 | gp_Pnt2d aPts[3]; |
357 | for (Standard_Integer aVertIdx = 0; aVertIdx < 3; ++aVertIdx) |
358 | { |
359 | const BRepMesh_Vertex& aVertex = aMeshStructure->GetNode (aTriangleVerts[aVertIdx]); |
360 | aPts[aVertIdx] = aVertex.Coord(); |
361 | } |
362 | |
363 | if (toFill) |
364 | { |
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365 | gp_Dir aNorm = gp::DZ(); |
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366 | for (Standard_Integer anIt = 0; anIt < 3; ++anIt) |
367 | { |
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368 | myTriangles->AddVertex (aPts[anIt].X(), aPts[anIt].Y(), 0.0, |
369 | aNorm.X(), aNorm.Y(), aNorm.Z()); |
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370 | } |
371 | } |
372 | else |
373 | { |
374 | for (Standard_Integer anIt = 0; anIt < 3; ++anIt) |
375 | { |
376 | myTriangles->SetVertice (aVertexIndex++, (Standard_ShortReal)aPts[anIt].X(), (Standard_ShortReal)aPts[anIt].Y(), 0.0f); |
377 | } |
378 | } |
379 | } |
380 | |
381 | aMeshStructure.Nullify(); |
382 | anAllocator.Nullify(); |
383 | |
384 | return Standard_True; |
385 | } |
386 | |
387 | //======================================================================= |
388 | //function : Compute |
389 | //purpose : |
390 | //======================================================================= |
391 | void AIS_RubberBand::Compute (const Handle(PrsMgr_PresentationManager3d)& /*thePresentationManager*/, |
392 | const Handle(Prs3d_Presentation)& thePresentation, |
393 | const Standard_Integer /*theMode*/) |
394 | { |
395 | Handle (Graphic3d_Group) aGroup = Prs3d_Root::CurrentGroup (thePresentation); |
396 | |
397 | // Draw filling |
398 | if (IsFilling() && fillTriangles()) |
399 | { |
400 | aGroup->SetGroupPrimitivesAspect (myDrawer->ShadingAspect()->Aspect()); |
401 | aGroup->AddPrimitiveArray (myTriangles); |
402 | } |
403 | |
404 | // Draw frame |
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405 | if (myBorders.IsNull() || myBorders->VertexNumber() != myPoints.Length() + (myIsPolygonClosed ? 1 : 0)) |
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406 | { |
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407 | myBorders = new Graphic3d_ArrayOfPolylines(myPoints.Length() + (myIsPolygonClosed ? 1 : 0)); |
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408 | for (Standard_Integer anIt = 1; anIt <= myPoints.Length(); anIt++) |
409 | { |
410 | myBorders->AddVertex ((Standard_Real)myPoints.Value (anIt).x(), |
411 | (Standard_Real)myPoints.Value (anIt).y(), 0.0); |
412 | } |
413 | |
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414 | if (myIsPolygonClosed) |
415 | { |
416 | myBorders->AddVertex((Standard_Real)myPoints.Value(1).x(), |
417 | (Standard_Real)myPoints.Value(1).y(), 0.0); |
418 | } |
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419 | |
420 | } |
421 | else |
422 | { |
423 | for (Standard_Integer anIt = 1; anIt <= myPoints.Length(); anIt++) |
424 | { |
425 | myBorders->SetVertice (anIt, (Standard_ShortReal)myPoints.Value (anIt).x(), |
426 | (Standard_ShortReal)myPoints.Value (anIt).y(), 0.0f); |
427 | } |
428 | |
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429 | if (myIsPolygonClosed) |
430 | { |
431 | myBorders->SetVertice(myPoints.Length() + 1, (Standard_ShortReal)myPoints.Value(1).x(), |
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432 | (Standard_ShortReal)myPoints.Value(1).y(), 0.0f); |
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433 | } |
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434 | } |
435 | |
436 | aGroup->SetGroupPrimitivesAspect (myDrawer->LineAspect()->Aspect()); |
437 | aGroup->AddPrimitiveArray (myBorders); |
438 | } |