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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> |
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26 | #include <SelectMgr_EntityOwner.hxx> |
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27 | #include <V3d_View.hxx> |
28 | |
29 | |
30 | #define MEMORY_BLOCK_SIZE 512 * 7 |
31 | |
32 | IMPLEMENT_STANDARD_RTTIEXT(AIS_RubberBand, AIS_InteractiveObject) |
33 | //======================================================================= |
34 | //function : Constructor |
35 | //purpose : |
36 | //======================================================================= |
37 | AIS_RubberBand::AIS_RubberBand() |
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38 | : myIsPolygonClosed(Standard_True) |
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39 | { |
40 | myDrawer->SetLineAspect (new Prs3d_LineAspect (Quantity_NOC_WHITE, Aspect_TOL_SOLID, 1.0)); |
41 | myDrawer->SetShadingAspect (new Prs3d_ShadingAspect()); |
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42 | myDrawer->ShadingAspect()->SetMaterial (Graphic3d_NameOfMaterial_Plastified); |
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43 | myDrawer->ShadingAspect()->Aspect()->SetShadingModel (Graphic3d_TypeOfShadingModel_Unlit); |
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44 | myDrawer->ShadingAspect()->Aspect()->SetInteriorStyle (Aspect_IS_EMPTY); |
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45 | myDrawer->ShadingAspect()->Aspect()->SetAlphaMode (Graphic3d_AlphaMode_Blend); |
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46 | myDrawer->ShadingAspect()->SetTransparency (1.0); |
47 | myDrawer->ShadingAspect()->SetColor (Quantity_NOC_WHITE); |
48 | |
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49 | SetTransformPersistence (new Graphic3d_TransformPers (Graphic3d_TMF_2d, Aspect_TOTP_LEFT_LOWER)); |
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50 | SetZLayer (Graphic3d_ZLayerId_TopOSD); |
51 | } |
52 | |
53 | //======================================================================= |
54 | //function : Constructor |
55 | //purpose : |
56 | //======================================================================= |
57 | AIS_RubberBand::AIS_RubberBand (const Quantity_Color& theLineColor, |
58 | const Aspect_TypeOfLine theLineType, |
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59 | const Standard_Real theWidth, |
60 | const Standard_Boolean theIsPolygonClosed) |
61 | : myIsPolygonClosed(theIsPolygonClosed) |
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62 | { |
63 | myDrawer->SetLineAspect (new Prs3d_LineAspect (theLineColor, theLineType, theWidth)); |
64 | myDrawer->SetShadingAspect (new Prs3d_ShadingAspect()); |
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65 | myDrawer->ShadingAspect()->SetMaterial (Graphic3d_NameOfMaterial_Plastified); |
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66 | myDrawer->ShadingAspect()->Aspect()->SetShadingModel (Graphic3d_TypeOfShadingModel_Unlit); |
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67 | myDrawer->ShadingAspect()->Aspect()->SetInteriorStyle (Aspect_IS_EMPTY); |
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68 | myDrawer->ShadingAspect()->Aspect()->SetAlphaMode (Graphic3d_AlphaMode_Blend); |
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69 | myDrawer->ShadingAspect()->SetTransparency (1.0); |
70 | myDrawer->ShadingAspect()->SetColor (Quantity_NOC_WHITE); |
71 | |
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72 | SetTransformPersistence (new Graphic3d_TransformPers (Graphic3d_TMF_2d, Aspect_TOTP_LEFT_LOWER)); |
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73 | SetZLayer (Graphic3d_ZLayerId_TopOSD); |
74 | } |
75 | |
76 | //======================================================================= |
77 | //function : Constructor |
78 | //purpose : |
79 | //======================================================================= |
80 | AIS_RubberBand::AIS_RubberBand (const Quantity_Color& theLineColor, |
81 | const Aspect_TypeOfLine theLineType, |
82 | const Quantity_Color theFillColor, |
83 | const Standard_Real theTransparency, |
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84 | const Standard_Real theLineWidth, |
85 | const Standard_Boolean theIsPolygonClosed) |
86 | : myIsPolygonClosed (theIsPolygonClosed) |
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87 | { |
88 | myDrawer->SetLineAspect (new Prs3d_LineAspect (theLineColor, theLineType, theLineWidth)); |
89 | myDrawer->SetShadingAspect (new Prs3d_ShadingAspect()); |
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90 | myDrawer->ShadingAspect()->SetMaterial (Graphic3d_NameOfMaterial_Plastified); |
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91 | myDrawer->ShadingAspect()->SetColor (theFillColor); |
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92 | myDrawer->ShadingAspect()->Aspect()->SetShadingModel (Graphic3d_TypeOfShadingModel_Unlit); |
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93 | myDrawer->ShadingAspect()->Aspect()->SetInteriorStyle (Aspect_IS_SOLID); |
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94 | myDrawer->ShadingAspect()->Aspect()->SetAlphaMode (Graphic3d_AlphaMode_Blend); |
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95 | myDrawer->ShadingAspect()->SetTransparency (theTransparency); |
96 | |
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97 | SetTransformPersistence (new Graphic3d_TransformPers (Graphic3d_TMF_2d, Aspect_TOTP_LEFT_LOWER)); |
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98 | SetZLayer (Graphic3d_ZLayerId_TopOSD); |
99 | } |
100 | |
101 | //======================================================================= |
102 | //function : Destructor |
103 | //purpose : |
104 | //======================================================================= |
105 | AIS_RubberBand::~AIS_RubberBand() |
106 | { |
107 | myPoints.Clear(); |
108 | myTriangles.Nullify(); |
109 | myBorders.Nullify(); |
110 | } |
111 | |
112 | //======================================================================= |
113 | //function : SetRectangle |
114 | //purpose : |
115 | //======================================================================= |
116 | void AIS_RubberBand::SetRectangle (const Standard_Integer theMinX, const Standard_Integer theMinY, |
117 | const Standard_Integer theMaxX, const Standard_Integer theMaxY) |
118 | { |
119 | myPoints.Clear(); |
120 | myPoints.Append (Graphic3d_Vec2i (theMinX, theMinY)); |
121 | myPoints.Append (Graphic3d_Vec2i (theMinX, theMaxY)); |
122 | myPoints.Append (Graphic3d_Vec2i (theMaxX, theMaxY)); |
123 | myPoints.Append (Graphic3d_Vec2i (theMaxX, theMinY)); |
124 | } |
125 | |
126 | //======================================================================= |
127 | //function : AddPoint |
128 | //purpose : |
129 | //======================================================================= |
130 | void AIS_RubberBand::AddPoint (const Graphic3d_Vec2i& thePoint) |
131 | { |
132 | myPoints.Append (thePoint); |
133 | } |
134 | |
135 | //======================================================================= |
136 | //function : AddPoint |
137 | //purpose : |
138 | //======================================================================= |
139 | void AIS_RubberBand::RemoveLastPoint() |
140 | { |
141 | myPoints.Remove (myPoints.Length()); |
142 | } |
143 | |
144 | //======================================================================= |
145 | //function : GetPoints |
146 | //purpose : |
147 | //======================================================================= |
148 | const NCollection_Sequence<Graphic3d_Vec2i>& AIS_RubberBand::Points() const |
149 | { |
150 | return myPoints; |
151 | } |
152 | |
153 | //======================================================================= |
154 | //function : LineColor |
155 | //purpose : |
156 | //======================================================================= |
157 | Quantity_Color AIS_RubberBand::LineColor() const |
158 | { |
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159 | return myDrawer->LineAspect()->Aspect()->Color(); |
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160 | } |
161 | |
162 | //======================================================================= |
163 | //function : SetLineColor |
164 | //purpose : |
165 | //======================================================================= |
166 | void AIS_RubberBand::SetLineColor (const Quantity_Color& theColor) |
167 | { |
168 | myDrawer->LineAspect()->SetColor (theColor); |
169 | } |
170 | |
171 | //======================================================================= |
172 | //function : FillColor |
173 | //purpose : |
174 | //======================================================================= |
175 | Quantity_Color AIS_RubberBand::FillColor() const |
176 | { |
177 | return myDrawer->ShadingAspect()->Color(); |
178 | } |
179 | |
180 | //======================================================================= |
181 | //function : SetFillColor |
182 | //purpose : |
183 | //======================================================================= |
184 | void AIS_RubberBand::SetFillColor (const Quantity_Color& theColor) |
185 | { |
186 | myDrawer->ShadingAspect()->SetColor (theColor); |
187 | } |
188 | |
189 | //======================================================================= |
190 | //function : SetLineWidth |
191 | //purpose : |
192 | //======================================================================= |
193 | void AIS_RubberBand::SetLineWidth (const Standard_Real theWidth) const |
194 | { |
195 | myDrawer->LineAspect()->SetWidth (theWidth); |
196 | } |
197 | |
198 | //======================================================================= |
199 | //function : SetLineWidth |
200 | //purpose : |
201 | //======================================================================= |
202 | Standard_Real AIS_RubberBand::LineWidth() const |
203 | { |
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204 | return myDrawer->LineAspect()->Aspect()->Width(); |
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205 | } |
206 | |
207 | //======================================================================= |
208 | //function : SetLineType |
209 | //purpose : |
210 | //======================================================================= |
211 | void AIS_RubberBand::SetLineType (const Aspect_TypeOfLine theType) |
212 | { |
213 | myDrawer->LineAspect()->SetTypeOfLine (theType); |
214 | } |
215 | |
216 | //======================================================================= |
217 | //function : LineType |
218 | //purpose : |
219 | //======================================================================= |
220 | Aspect_TypeOfLine AIS_RubberBand::LineType() const |
221 | { |
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222 | return myDrawer->LineAspect()->Aspect()->Type(); |
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223 | } |
224 | |
225 | //======================================================================= |
226 | //function : SetFillTransparency |
227 | //purpose : |
228 | //======================================================================= |
229 | void AIS_RubberBand::SetFillTransparency (const Standard_Real theValue) const |
230 | { |
231 | myDrawer->ShadingAspect()->SetTransparency (theValue); |
232 | } |
233 | |
234 | //======================================================================= |
235 | //function : SetFillTransparency |
236 | //purpose : |
237 | //======================================================================= |
238 | Standard_Real AIS_RubberBand::FillTransparency() const |
239 | { |
240 | return myDrawer->ShadingAspect()->Transparency(); |
241 | } |
242 | |
243 | //======================================================================= |
244 | //function : SetFilling |
245 | //purpose : |
246 | //======================================================================= |
247 | void AIS_RubberBand::SetFilling (const Standard_Boolean theIsFilling) |
248 | { |
249 | myDrawer->ShadingAspect()->Aspect()->SetInteriorStyle (theIsFilling ? Aspect_IS_SOLID : Aspect_IS_EMPTY); |
250 | } |
251 | |
252 | //======================================================================= |
253 | //function : SetFilling |
254 | //purpose : |
255 | //======================================================================= |
256 | void AIS_RubberBand::SetFilling (const Quantity_Color theColor, const Standard_Real theTransparency) |
257 | { |
258 | SetFilling (Standard_True); |
259 | SetFillTransparency (theTransparency); |
260 | SetFillColor (theColor); |
261 | } |
262 | |
263 | //======================================================================= |
264 | //function : IsFilling |
265 | //purpose : |
266 | //======================================================================= |
267 | Standard_Boolean AIS_RubberBand::IsFilling() const |
268 | { |
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269 | Aspect_InteriorStyle aStyle = myDrawer->ShadingAspect()->Aspect()->InteriorStyle(); |
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270 | return aStyle != Aspect_IS_EMPTY; |
271 | } |
272 | |
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273 | //======================================================================= |
274 | //function : IsPolygonClosed |
275 | //purpose : |
276 | //======================================================================= |
277 | Standard_Boolean AIS_RubberBand::IsPolygonClosed() const |
278 | { |
279 | return myIsPolygonClosed; |
280 | } |
281 | |
282 | //======================================================================= |
283 | //function : SetPolygonClosed |
284 | //purpose : |
285 | //======================================================================= |
286 | void AIS_RubberBand::SetPolygonClosed(Standard_Boolean theIsPolygonClosed) |
287 | { |
288 | myIsPolygonClosed = theIsPolygonClosed; |
289 | } |
290 | |
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291 | //======================================================================= |
292 | //function : fillTriangles |
293 | //purpose : |
294 | //======================================================================= |
295 | Standard_Boolean AIS_RubberBand::fillTriangles() |
296 | { |
297 | Handle(NCollection_IncAllocator) anAllocator = new NCollection_IncAllocator (MEMORY_BLOCK_SIZE); |
298 | Handle(BRepMesh_DataStructureOfDelaun) aMeshStructure = new BRepMesh_DataStructureOfDelaun(anAllocator); |
299 | Standard_Integer aPtsLower = myPoints.Lower(); |
300 | Standard_Integer aPtsUpper = myPoints.Upper(); |
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301 | IMeshData::VectorOfInteger anIndexes (myPoints.Length(), anAllocator); |
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302 | for (Standard_Integer aPtIdx = aPtsLower; aPtIdx <= aPtsUpper; ++aPtIdx) |
303 | { |
304 | gp_XY aP ((Standard_Real)myPoints.Value (aPtIdx).x(), |
305 | (Standard_Real)myPoints.Value (aPtIdx).y()); |
306 | BRepMesh_Vertex aVertex (aP, aPtIdx, BRepMesh_Frontier); |
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307 | anIndexes.Append (aMeshStructure->AddNode (aVertex)); |
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308 | } |
309 | |
310 | Standard_Real aPtSum = 0; |
311 | for (Standard_Integer aIdx = aPtsLower; aIdx <= aPtsUpper; ++aIdx) |
312 | { |
313 | Standard_Integer aNextIdx = (aIdx % myPoints.Length()) + 1; |
314 | aPtSum += (Standard_Real)(myPoints.Value (aNextIdx).x() - myPoints.Value (aIdx).x()) |
315 | * (Standard_Real)(myPoints.Value (aNextIdx).y() + myPoints.Value (aIdx).y()); |
316 | } |
317 | Standard_Boolean isClockwiseOrdered = aPtSum < 0; |
318 | |
319 | for (Standard_Integer aIdx = 0; aIdx < anIndexes.Length(); ++aIdx) |
320 | { |
321 | Standard_Integer aPtIdx = isClockwiseOrdered ? aIdx : (aIdx + 1) % anIndexes.Length(); |
322 | Standard_Integer aNextPtIdx = isClockwiseOrdered ? (aIdx + 1) % anIndexes.Length() : aIdx; |
323 | BRepMesh_Edge anEdge (anIndexes.Value (aPtIdx), |
324 | anIndexes.Value (aNextPtIdx), |
325 | BRepMesh_Frontier); |
326 | aMeshStructure->AddLink (anEdge); |
327 | } |
328 | |
329 | BRepMesh_Delaun aTriangulation (aMeshStructure, anIndexes); |
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330 | const IMeshData::MapOfInteger& aTriangles = aMeshStructure->ElementsOfDomain(); |
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331 | if (aTriangles.Extent() < 1) |
332 | return Standard_False; |
333 | |
334 | |
335 | Standard_Boolean toFill = Standard_False; |
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336 | if (myTriangles.IsNull() || myTriangles->VertexNumber() != aTriangles.Extent() * 3) |
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337 | { |
338 | toFill = Standard_True; |
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339 | myTriangles = new Graphic3d_ArrayOfTriangles (aTriangles.Extent() * 3, 0, Standard_True); |
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340 | } |
341 | |
342 | Standard_Integer aVertexIndex = 1; |
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343 | IMeshData::IteratorOfMapOfInteger aTriangleIt (aTriangles); |
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344 | for (; aTriangleIt.More(); aTriangleIt.Next()) |
345 | { |
346 | const Standard_Integer aTriangleId = aTriangleIt.Key(); |
347 | const BRepMesh_Triangle& aCurrentTriangle = aMeshStructure->GetElement (aTriangleId); |
348 | |
349 | if (aCurrentTriangle.Movability() == BRepMesh_Deleted) |
350 | continue; |
351 | |
352 | Standard_Integer aTriangleVerts[3]; |
353 | aMeshStructure->ElementNodes (aCurrentTriangle, aTriangleVerts); |
354 | |
355 | gp_Pnt2d aPts[3]; |
356 | for (Standard_Integer aVertIdx = 0; aVertIdx < 3; ++aVertIdx) |
357 | { |
358 | const BRepMesh_Vertex& aVertex = aMeshStructure->GetNode (aTriangleVerts[aVertIdx]); |
359 | aPts[aVertIdx] = aVertex.Coord(); |
360 | } |
361 | |
362 | if (toFill) |
363 | { |
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364 | gp_Dir aNorm = gp::DZ(); |
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365 | for (Standard_Integer anIt = 0; anIt < 3; ++anIt) |
366 | { |
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367 | myTriangles->AddVertex (aPts[anIt].X(), aPts[anIt].Y(), 0.0, |
368 | aNorm.X(), aNorm.Y(), aNorm.Z()); |
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369 | } |
370 | } |
371 | else |
372 | { |
373 | for (Standard_Integer anIt = 0; anIt < 3; ++anIt) |
374 | { |
375 | myTriangles->SetVertice (aVertexIndex++, (Standard_ShortReal)aPts[anIt].X(), (Standard_ShortReal)aPts[anIt].Y(), 0.0f); |
376 | } |
377 | } |
378 | } |
379 | |
380 | aMeshStructure.Nullify(); |
381 | anAllocator.Nullify(); |
382 | |
383 | return Standard_True; |
384 | } |
385 | |
386 | //======================================================================= |
387 | //function : Compute |
388 | //purpose : |
389 | //======================================================================= |
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390 | void AIS_RubberBand::Compute (const Handle(PrsMgr_PresentationManager)& , |
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391 | const Handle(Prs3d_Presentation)& thePresentation, |
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392 | const Standard_Integer theMode) |
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393 | { |
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394 | if (theMode != 0) |
395 | { |
396 | return; |
397 | } |
398 | |
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399 | // Draw filling |
400 | if (IsFilling() && fillTriangles()) |
401 | { |
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402 | Handle(Graphic3d_Group) aGroup1 = thePresentation->NewGroup(); |
403 | aGroup1->SetGroupPrimitivesAspect (myDrawer->ShadingAspect()->Aspect()); |
404 | aGroup1->AddPrimitiveArray (myTriangles); |
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405 | } |
406 | |
407 | // Draw frame |
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408 | if (myBorders.IsNull() || myBorders->VertexNumber() != myPoints.Length() + (myIsPolygonClosed ? 1 : 0)) |
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409 | { |
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410 | myBorders = new Graphic3d_ArrayOfPolylines(myPoints.Length() + (myIsPolygonClosed ? 1 : 0)); |
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411 | for (Standard_Integer anIt = 1; anIt <= myPoints.Length(); anIt++) |
412 | { |
413 | myBorders->AddVertex ((Standard_Real)myPoints.Value (anIt).x(), |
414 | (Standard_Real)myPoints.Value (anIt).y(), 0.0); |
415 | } |
416 | |
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417 | if (myIsPolygonClosed) |
418 | { |
419 | myBorders->AddVertex((Standard_Real)myPoints.Value(1).x(), |
420 | (Standard_Real)myPoints.Value(1).y(), 0.0); |
421 | } |
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422 | |
423 | } |
424 | else |
425 | { |
426 | for (Standard_Integer anIt = 1; anIt <= myPoints.Length(); anIt++) |
427 | { |
428 | myBorders->SetVertice (anIt, (Standard_ShortReal)myPoints.Value (anIt).x(), |
429 | (Standard_ShortReal)myPoints.Value (anIt).y(), 0.0f); |
430 | } |
431 | |
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432 | if (myIsPolygonClosed) |
433 | { |
434 | myBorders->SetVertice(myPoints.Length() + 1, (Standard_ShortReal)myPoints.Value(1).x(), |
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435 | (Standard_ShortReal)myPoints.Value(1).y(), 0.0f); |
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436 | } |
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437 | } |
438 | |
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439 | Handle(Graphic3d_Group) aGroup = thePresentation->NewGroup(); |
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440 | aGroup->SetGroupPrimitivesAspect (myDrawer->LineAspect()->Aspect()); |
441 | aGroup->AddPrimitiveArray (myBorders); |
442 | } |