1 // Created on: 2014-04-24
2 // Created by: Kirill Gavrilov
3 // Copyright (c) 2014 OPEN CASCADE SAS
5 // This file is part of Open CASCADE Technology software library.
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.
13 // Alternatively, this file may be used under the terms of Open CASCADE
14 // commercial license or contractual agreement.
16 #include <AIS_ColoredShape.hxx>
18 #include <AIS_InteractiveContext.hxx>
19 #include <BRep_Builder.hxx>
20 #include <BRepTools.hxx>
21 #include <BRepMesh_IncrementalMesh.hxx>
22 #include <gp_Pnt2d.hxx>
23 #include <Graphic3d_AspectFillArea3d.hxx>
24 #include <Graphic3d_AspectLine3d.hxx>
25 #include <Graphic3d_ArrayOfTriangles.hxx>
26 #include <Graphic3d_ArrayOfSegments.hxx>
27 #include <Graphic3d_Group.hxx>
28 #include <Graphic3d_StructureManager.hxx>
29 #include <Graphic3d_Texture2Dmanual.hxx>
30 #include <Precision.hxx>
32 #include <Prs3d_LineAspect.hxx>
33 #include <Prs3d_IsoAspect.hxx>
34 #include <Prs3d_Presentation.hxx>
35 #include <Prs3d_ShadingAspect.hxx>
36 #include <Prs3d_Root.hxx>
37 #include <PrsMgr_PresentationManager3d.hxx>
38 #include <Standard_ErrorHandler.hxx>
39 #include <StdSelect_BRepSelectionTool.hxx>
40 #include <StdPrs_ShadedShape.hxx>
41 #include <StdPrs_ToolTriangulatedShape.hxx>
42 #include <StdPrs_WFShape.hxx>
43 #include <TopExp_Explorer.hxx>
45 #include <TopoDS_Compound.hxx>
46 #include <TopoDS_Iterator.hxx>
48 IMPLEMENT_STANDARD_RTTIEXT(AIS_ColoredShape,AIS_Shape)
49 IMPLEMENT_STANDARD_RTTIEXT(AIS_ColoredDrawer,Prs3d_Drawer)
53 //! Collect all sub-compounds into map.
54 static void collectSubCompounds (TopTools_MapOfShape& theMap,
55 const TopoDS_Shape& theShape)
57 for (TopoDS_Iterator aChildIter (theShape); aChildIter.More(); aChildIter.Next())
59 const TopoDS_Shape& aShape = aChildIter.Value();
60 if (aShape.ShapeType() == TopAbs_COMPOUND
61 && theMap.Add (aShape))
63 collectSubCompounds (theMap, aShape);
69 //=======================================================================
70 //function : AIS_ColoredShape
72 //=======================================================================
73 AIS_ColoredShape::AIS_ColoredShape (const TopoDS_Shape& theShape)
74 : AIS_Shape (theShape)
76 // disable dedicated line aspects
77 myDrawer->SetFreeBoundaryAspect (myDrawer->LineAspect());
78 myDrawer->SetUnFreeBoundaryAspect(myDrawer->LineAspect());
79 myDrawer->SetSeenLineAspect (myDrawer->LineAspect());
80 myDrawer->SetFaceBoundaryAspect (myDrawer->LineAspect());
83 //=======================================================================
84 //function : AIS_ColoredShape
86 //=======================================================================
87 AIS_ColoredShape::AIS_ColoredShape (const Handle(AIS_Shape)& theShape)
88 : AIS_Shape (theShape->Shape())
90 // disable dedicated line aspects
91 myDrawer->SetFreeBoundaryAspect (myDrawer->LineAspect());
92 myDrawer->SetUnFreeBoundaryAspect(myDrawer->LineAspect());
93 myDrawer->SetSeenLineAspect (myDrawer->LineAspect());
94 myDrawer->SetFaceBoundaryAspect (myDrawer->LineAspect());
95 if (theShape->HasMaterial())
97 SetMaterial (theShape->Material());
99 if (theShape->HasColor())
101 Quantity_Color aColor;
102 theShape->Color (aColor);
105 if (theShape->HasWidth())
107 SetWidth (theShape->Width());
109 if (theShape->IsTransparent())
111 SetTransparency (theShape->Transparency());
115 //=======================================================================
116 //function : CustomAspects
118 //=======================================================================
119 Handle(AIS_ColoredDrawer) AIS_ColoredShape::CustomAspects (const TopoDS_Shape& theShape)
121 Handle(AIS_ColoredDrawer) aDrawer;
122 myShapeColors.Find (theShape, aDrawer);
123 if (aDrawer.IsNull())
125 aDrawer = new AIS_ColoredDrawer (myDrawer);
126 myShapeColors.Bind (theShape, aDrawer);
127 LoadRecomputable (AIS_WireFrame);
128 LoadRecomputable (AIS_Shaded);
133 //=======================================================================
134 //function : ClearCustomAspects
136 //=======================================================================
137 void AIS_ColoredShape::ClearCustomAspects()
139 if (myShapeColors.IsEmpty())
143 myShapeColors.Clear();
144 LoadRecomputable (AIS_WireFrame);
145 LoadRecomputable (AIS_Shaded);
148 //=======================================================================
149 //function : UnsetCustomAspects
151 //=======================================================================
152 void AIS_ColoredShape::UnsetCustomAspects (const TopoDS_Shape& theShape,
153 const Standard_Boolean theToUnregister)
155 if (!myShapeColors.IsBound (theShape))
160 LoadRecomputable (AIS_WireFrame);
161 LoadRecomputable (AIS_Shaded);
164 myShapeColors.UnBind (theShape);
168 myShapeColors.ChangeFind (theShape) = new AIS_ColoredDrawer (myDrawer);
171 //=======================================================================
172 //function : SetCustomColor
174 //=======================================================================
175 void AIS_ColoredShape::SetCustomColor (const TopoDS_Shape& theShape,
176 const Quantity_Color& theColor)
178 if (theShape.IsNull())
183 const Handle(AIS_ColoredDrawer)& aDrawer = CustomAspects (theShape);
184 setColor (aDrawer, theColor);
185 aDrawer->SetOwnColor (theColor);
186 LoadRecomputable (AIS_WireFrame);
187 LoadRecomputable (AIS_Shaded);
190 //=======================================================================
191 //function : SetCustomTransparency
193 //=======================================================================
194 void AIS_ColoredShape::SetCustomTransparency (const TopoDS_Shape& theShape,
195 Standard_Real theTransparency)
197 if (theShape.IsNull())
202 const Handle(AIS_ColoredDrawer)& aDrawer = CustomAspects (theShape);
203 setTransparency (aDrawer, theTransparency);
204 aDrawer->SetOwnTransparency (theTransparency);
205 LoadRecomputable (AIS_WireFrame);
206 LoadRecomputable (AIS_Shaded);
209 //=======================================================================
210 //function : SetCustomWidth
212 //=======================================================================
213 void AIS_ColoredShape::SetCustomWidth (const TopoDS_Shape& theShape,
214 const Standard_Real theLineWidth)
216 if (theShape.IsNull())
221 const Handle(AIS_ColoredDrawer)& aDrawer = CustomAspects (theShape);
222 setWidth (aDrawer, theLineWidth);
223 aDrawer->SetOwnWidth (theLineWidth);
224 LoadRecomputable (AIS_WireFrame);
225 LoadRecomputable (AIS_Shaded);
228 //=======================================================================
229 //function : SetColor
231 //=======================================================================
233 void AIS_ColoredShape::SetColor (const Quantity_Color& theColor)
235 setColor (myDrawer, theColor);
236 myDrawer->SetColor (theColor);
237 hasOwnColor = Standard_True;
238 LoadRecomputable (AIS_WireFrame);
239 LoadRecomputable (AIS_Shaded);
240 for (AIS_DataMapOfShapeDrawer::Iterator anIter (myShapeColors); anIter.More(); anIter.Next())
242 const Handle(AIS_ColoredDrawer)& aDrawer = anIter.Value();
243 if (aDrawer->HasOwnColor())
248 if (aDrawer->HasOwnShadingAspect())
250 aDrawer->ShadingAspect()->SetColor (theColor, myCurrentFacingModel);
252 if (aDrawer->HasOwnLineAspect())
254 aDrawer->LineAspect()->SetColor (theColor);
256 if (aDrawer->HasOwnWireAspect())
258 aDrawer->WireAspect()->SetColor (theColor);
260 if (aDrawer->HasOwnFaceBoundaryAspect())
262 aDrawer->FaceBoundaryAspect()->SetColor (theColor);
267 //=======================================================================
268 //function : SetWidth
270 //=======================================================================
272 void AIS_ColoredShape::SetWidth (const Standard_Real theLineWidth)
274 setWidth (myDrawer, theLineWidth);
275 myOwnWidth = theLineWidth;
276 LoadRecomputable (AIS_WireFrame);
277 LoadRecomputable (AIS_Shaded);
278 for (AIS_DataMapOfShapeDrawer::Iterator anIter (myShapeColors); anIter.More(); anIter.Next())
280 const Handle(AIS_ColoredDrawer)& aDrawer = anIter.Value();
281 if (aDrawer->HasOwnWidth())
286 if (aDrawer->HasOwnLineAspect())
288 aDrawer->LineAspect()->SetWidth (theLineWidth);
290 if (aDrawer->HasOwnWireAspect())
292 aDrawer->WireAspect()->SetWidth (theLineWidth);
294 if (aDrawer->HasOwnFaceBoundaryAspect())
296 aDrawer->FaceBoundaryAspect()->SetWidth (theLineWidth);
301 //=======================================================================
302 //function : SetTransparency
304 //=======================================================================
306 void AIS_ColoredShape::SetTransparency (const Standard_Real theValue)
308 setTransparency (myDrawer, theValue);
309 myDrawer->SetTransparency ((Standard_ShortReal )theValue);
310 LoadRecomputable (AIS_WireFrame);
311 LoadRecomputable (AIS_Shaded);
312 for (AIS_DataMapOfShapeDrawer::Iterator anIter (myShapeColors); anIter.More(); anIter.Next())
314 const Handle(AIS_ColoredDrawer)& aDrawer = anIter.Value();
315 if (aDrawer->HasOwnTransparency())
320 if (aDrawer->HasOwnShadingAspect())
322 aDrawer->ShadingAspect()->SetTransparency (theValue, myCurrentFacingModel);
327 //=======================================================================
328 //function : UnsetTransparency
330 //=======================================================================
331 void AIS_ColoredShape::UnsetTransparency()
333 myDrawer->SetTransparency (0.0f);
334 if (myDrawer->HasOwnShadingAspect())
336 myDrawer->ShadingAspect()->SetTransparency (0.0, myCurrentFacingModel);
339 && !myDrawer->ShadingAspect()->Aspect()->ToMapTexture())
341 myDrawer->SetShadingAspect (Handle(Prs3d_ShadingAspect)());
345 for (AIS_DataMapOfShapeDrawer::Iterator anIter (myShapeColors); anIter.More(); anIter.Next())
347 const Handle(Prs3d_Drawer)& aDrawer = anIter.Value();
348 if (aDrawer->HasOwnShadingAspect())
350 aDrawer->ShadingAspect()->SetTransparency (0.0, myCurrentFacingModel);
353 SynchronizeAspects();
356 //=======================================================================
357 //function : SetMaterial
359 //=======================================================================
361 void AIS_ColoredShape::SetMaterial (const Graphic3d_MaterialAspect& theMaterial)
363 setMaterial (myDrawer, theMaterial, HasColor(), IsTransparent());
364 //myOwnMaterial = theMaterial;
365 hasOwnMaterial = Standard_True;
366 LoadRecomputable (AIS_Shaded);
367 for (AIS_DataMapOfShapeDrawer::Iterator anIter (myShapeColors); anIter.More(); anIter.Next())
369 const Handle(AIS_ColoredDrawer)& aDrawer = anIter.Value();
370 //if (aDrawer->HasOwnMaterial()) continue;
371 if (aDrawer->HasOwnShadingAspect())
373 setMaterial (aDrawer, theMaterial, aDrawer->HasOwnColor(), aDrawer->HasOwnTransparency());
378 //=======================================================================
381 //=======================================================================
382 void AIS_ColoredShape::Compute (const Handle(PrsMgr_PresentationManager3d)& thePrsMgr,
383 const Handle(Prs3d_Presentation)& thePrs,
384 const Standard_Integer theMode)
386 if (myshape.IsNull())
393 thePrs->SetInfiniteState (Standard_True);
400 StdPrs_ToolTriangulatedShape::ClearOnOwnDeflectionChange (myshape, myDrawer, Standard_True);
402 // After this call if type of deflection is relative
403 // computed deflection coefficient is stored as absolute.
404 Prs3d::GetDeflection (myshape, myDrawer);
409 if (myDrawer->IsAutoTriangulation())
411 // compute mesh for entire shape beforehand to ensure consistency and optimizations (parallelization)
412 StdPrs_ToolTriangulatedShape::ClearOnOwnDeflectionChange (myshape, myDrawer, Standard_True);
414 // After this call if type of deflection is relative
415 // computed deflection coefficient is stored as absolute.
416 Standard_Boolean wasRecomputed = StdPrs_ToolTriangulatedShape::Tessellate (myshape, myDrawer);
418 // Set to update wireframe presentation on triangulation.
419 if (myDrawer->IsoOnTriangulation() && wasRecomputed)
421 SetToUpdate (AIS_WireFrame);
428 AIS_Shape::Compute (thePrsMgr, thePrs, theMode);
437 // Extract myShapeColors map (KeyshapeColored -> Color) to subshapes map (Subshape -> Color).
438 // This needed when colored shape is not part of BaseShape (but subshapes are) and actually container for subshapes.
439 AIS_DataMapOfShapeDrawer aSubshapeDrawerMap;
440 fillSubshapeDrawerMap (aSubshapeDrawerMap);
442 Handle(AIS_ColoredDrawer) aBaseDrawer;
443 myShapeColors.Find (myshape, aBaseDrawer);
445 // myShapeColors + anOpened --> array[TopAbs_ShapeEnum] of map of color-to-compound
446 DataMapOfDrawerCompd aDispatchedOpened[(size_t)TopAbs_SHAPE];
447 DataMapOfDrawerCompd aDispatchedClosed;
448 dispatchColors (aBaseDrawer, myshape,
449 aSubshapeDrawerMap, TopAbs_COMPOUND, Standard_False,
450 aDispatchedOpened, theMode == AIS_Shaded ? aDispatchedClosed : aDispatchedOpened[TopAbs_FACE]);
451 addShapesWithCustomProps (thePrs, aDispatchedOpened, aDispatchedClosed, theMode);
454 //=======================================================================
455 //function : fillSubshapeDrawerMap
457 //=======================================================================
458 void AIS_ColoredShape::fillSubshapeDrawerMap (AIS_DataMapOfShapeDrawer& theSubshapeDrawerMap) const
460 // unroll compounds specified for grouping sub-shapes with the same style
461 // (e.g. the compounds that are not a part of the main shape)
462 TopTools_MapOfShape aMapOfOwnCompounds;
463 if (myshape.ShapeType() == TopAbs_COMPOUND)
465 aMapOfOwnCompounds.Add (myshape);
466 collectSubCompounds (aMapOfOwnCompounds, myshape);
468 for (AIS_DataMapOfShapeDrawer::Iterator aKeyShapeIter (myShapeColors);
469 aKeyShapeIter.More(); aKeyShapeIter.Next())
471 const TopoDS_Shape& aKeyShape = aKeyShapeIter.Key();
472 if (aKeyShape.ShapeType() != TopAbs_COMPOUND
473 || aMapOfOwnCompounds.Contains (aKeyShape))
478 for (TopoDS_Iterator aChildIter (aKeyShape); aChildIter.More(); aChildIter.Next())
480 const TopoDS_Shape& aShape = aChildIter.Value();
481 if (!myShapeColors.IsBound (aShape))
483 bindSubShapes (theSubshapeDrawerMap, aShape, aKeyShapeIter.Value());
488 // assign other sub-shapes with styles
489 for (AIS_DataMapOfShapeDrawer::Iterator aKeyShapeIter (myShapeColors);
490 aKeyShapeIter.More(); aKeyShapeIter.Next())
492 const TopoDS_Shape& aKeyShape = aKeyShapeIter.Key();
493 if (myshape == aKeyShape
494 || (aKeyShape.ShapeType() == TopAbs_COMPOUND
495 && !aMapOfOwnCompounds.Contains (aKeyShape)))
500 bindSubShapes (theSubshapeDrawerMap, aKeyShape, aKeyShapeIter.Value());
504 //=======================================================================
505 //function : ComputeSelection
507 //=======================================================================
508 void AIS_ColoredShape::ComputeSelection (const Handle(SelectMgr_Selection)& theSelection,
509 const Standard_Integer theMode)
511 if (myshape.IsNull())
515 else if (isShapeEntirelyVisible())
517 base_type::ComputeSelection (theSelection, theMode);
521 const TopAbs_ShapeEnum aTypOfSel = AIS_Shape::SelectionType (theMode);
522 const Standard_Real aDeflection = Prs3d::GetDeflection (myshape, myDrawer);
523 const Standard_Real aDeviationAngle = myDrawer->HLRAngle();
524 const Standard_Integer aPriority = StdSelect_BRepSelectionTool::GetStandardPriority (myshape, aTypOfSel);
525 if (myDrawer->IsAutoTriangulation()
526 && !BRepTools::Triangulation (myshape, Precision::Infinite()))
528 BRepMesh_IncrementalMesh aMesher (myshape, aDeflection, Standard_False, aDeviationAngle);
531 AIS_DataMapOfShapeDrawer aSubshapeDrawerMap;
532 fillSubshapeDrawerMap (aSubshapeDrawerMap);
534 Handle(StdSelect_BRepOwner) aBrepOwner = new StdSelect_BRepOwner (myshape, aPriority);
535 if (aTypOfSel == TopAbs_SHAPE)
537 aBrepOwner = new StdSelect_BRepOwner (myshape, aPriority);
540 Handle(AIS_ColoredDrawer) aBaseDrawer;
541 myShapeColors.Find (myshape, aBaseDrawer);
542 computeSubshapeSelection (aBaseDrawer, aSubshapeDrawerMap, myshape, aBrepOwner, theSelection,
543 aTypOfSel, aPriority, aDeflection, aDeviationAngle);
545 Handle(SelectMgr_SelectableObject) aThis (this);
546 for (NCollection_Vector<Handle(SelectMgr_SensitiveEntity)>::Iterator aSelEntIter (theSelection->Entities()); aSelEntIter.More(); aSelEntIter.Next())
548 Handle(SelectMgr_EntityOwner) anOwner = Handle(SelectMgr_EntityOwner)::DownCast (aSelEntIter.Value()->BaseSensitive()->OwnerId());
549 anOwner->Set (aThis);
552 StdSelect_BRepSelectionTool::PreBuildBVH (theSelection);
555 //=======================================================================
556 //function : computeSubshapeSelection
558 //=======================================================================
559 void AIS_ColoredShape::computeSubshapeSelection (const Handle(AIS_ColoredDrawer)& theParentDrawer,
560 const AIS_DataMapOfShapeDrawer& theShapeDrawerMap,
561 const TopoDS_Shape& theShape,
562 const Handle(StdSelect_BRepOwner)& theOwner,
563 const Handle(SelectMgr_Selection)& theSelection,
564 const TopAbs_ShapeEnum theTypOfSel,
565 const Standard_Integer thePriority,
566 const Standard_Real theDeflection,
567 const Standard_Real theDeflAngle)
569 Handle(AIS_ColoredDrawer) aDrawer = theParentDrawer;
570 theShapeDrawerMap.Find (theShape, aDrawer);
571 if (!aDrawer.IsNull()
572 && aDrawer->IsHidden())
577 const Standard_Integer aNbPOnEdge = 9;
578 const Standard_Real aMaximalParameter = 500.0;
579 if (theTypOfSel == TopAbs_SHAPE
580 && theShape.ShapeType() >= TopAbs_FACE)
582 StdSelect_BRepSelectionTool::ComputeSensitive (theShape, theOwner, theSelection,
583 theDeflection, theDeflAngle, aNbPOnEdge, aMaximalParameter, myDrawer->IsAutoTriangulation());
586 else if (theShape.ShapeType() == theTypOfSel)
588 const Standard_Boolean isComesFromDecomposition = !theShape.IsEqual (myshape);
589 Handle(StdSelect_BRepOwner) aBrepOwner = new StdSelect_BRepOwner (theShape, thePriority, isComesFromDecomposition);
590 StdSelect_BRepSelectionTool::ComputeSensitive (theShape, aBrepOwner, theSelection,
591 theDeflection, theDeflAngle, aNbPOnEdge, aMaximalParameter, myDrawer->IsAutoTriangulation());
595 for (TopoDS_Iterator aSubShapeIter (theShape); aSubShapeIter.More(); aSubShapeIter.Next())
597 const TopoDS_Shape& aSubShape = aSubShapeIter.Value();
598 computeSubshapeSelection (aDrawer, theShapeDrawerMap, aSubShape,
599 theOwner, theSelection, theTypOfSel, thePriority,
600 theDeflection, theDeflAngle);
604 //=======================================================================
605 //function : addShapesWithCustomProps
607 //=======================================================================
608 void AIS_ColoredShape::addShapesWithCustomProps (const Handle(Prs3d_Presentation)& thePrs,
609 const DataMapOfDrawerCompd* theDrawerOpenedShapePerType,
610 const DataMapOfDrawerCompd& theDrawerClosedFaces,
611 const Standard_Integer theMode)
613 Handle(Graphic3d_Group) anOpenGroup, aClosedGroup;
614 for (size_t aShType = 0; aShType <= (size_t )TopAbs_SHAPE; ++aShType)
616 const Standard_Boolean isClosed = aShType == TopAbs_SHAPE;
617 Handle(Graphic3d_Group)& aShadedGroup = isClosed ? aClosedGroup : anOpenGroup;
618 const DataMapOfDrawerCompd& aDrawerShapeMap = isClosed
619 ? theDrawerClosedFaces
620 : theDrawerOpenedShapePerType[aShType];
621 for (DataMapOfDrawerCompd::Iterator aMapIter (aDrawerShapeMap);
622 aMapIter.More(); aMapIter.Next())
624 const Handle(AIS_ColoredDrawer)& aCustomDrawer = aMapIter.Key();
625 const TopoDS_Compound& aShapeDraw = aMapIter.Value(); // compound of subshapes with <aShType> type
626 Handle(Prs3d_Drawer) aDrawer;
627 if (!aCustomDrawer.IsNull())
629 aDrawer = aCustomDrawer;
630 if (aCustomDrawer->IsHidden())
640 // It is supposed that absolute deflection contains previously computed relative deflection
641 // (if deflection type is relative).
642 // In case of CustomDrawer it is taken from Link().
643 Aspect_TypeOfDeflection aPrevType = aDrawer->TypeOfDeflection();
644 aDrawer->SetTypeOfDeflection (Aspect_TOD_ABSOLUTE);
646 // Draw each kind of subshapes and personal-colored shapes in a separate group
647 // since it's necessary to set transparency/material for all subshapes
648 // without affecting their unique colors
649 if (theMode == AIS_Shaded
650 && aShapeDraw.ShapeType() <= TopAbs_FACE
653 // add wireframe presentation for isolated edges and vertices
654 StdPrs_ShadedShape::AddWireframeForFreeElements (thePrs, aShapeDraw, aDrawer);
656 // add special wireframe presentation for faces without triangulation
657 StdPrs_ShadedShape::AddWireframeForFacesWithoutTriangles (thePrs, aShapeDraw, aDrawer);
659 Handle(Graphic3d_ArrayOfTriangles) aTriangles = StdPrs_ShadedShape::FillTriangles (aShapeDraw,
660 aDrawer->ShadingAspect()->Aspect()->ToMapTexture()
661 && !aDrawer->ShadingAspect()->Aspect()->TextureMap().IsNull(),
662 myUVOrigin, myUVRepeat, myUVScale);
663 if (!aTriangles.IsNull())
665 if (aShadedGroup.IsNull())
667 aShadedGroup = Prs3d_Root::NewGroup (thePrs);
668 aShadedGroup->SetClosed (isClosed);
670 aShadedGroup->SetPrimitivesAspect (aDrawer->ShadingAspect()->Aspect());
671 aShadedGroup->AddPrimitiveArray (aTriangles);
674 if (aDrawer->FaceBoundaryDraw())
676 Handle(Graphic3d_ArrayOfSegments) aBndSegments = StdPrs_ShadedShape::FillFaceBoundaries (aShapeDraw);
677 if (!aBndSegments.IsNull())
679 if (aShadedGroup.IsNull())
681 aShadedGroup = Prs3d_Root::NewGroup (thePrs);
682 aShadedGroup->SetClosed (isClosed);
685 Handle(Graphic3d_AspectLine3d) aBoundaryAspect = aDrawer->FaceBoundaryAspect()->Aspect();
686 aShadedGroup->SetPrimitivesAspect (aBoundaryAspect);
687 aShadedGroup->AddPrimitiveArray (aBndSegments);
693 StdPrs_WFShape::Add (thePrs, aShapeDraw, aDrawer);
695 aDrawer->SetTypeOfDeflection (aPrevType);
700 //=======================================================================
701 //function : dispatchColors
703 //=======================================================================
704 Standard_Boolean AIS_ColoredShape::dispatchColors (const Handle(AIS_ColoredDrawer)& theParentDrawer,
705 const TopoDS_Shape& theShapeToParse,
706 const AIS_DataMapOfShapeDrawer& theShapeDrawerMap,
707 const TopAbs_ShapeEnum theParentType,
708 const Standard_Boolean theIsParentClosed,
709 DataMapOfDrawerCompd* theDrawerOpenedShapePerType,
710 DataMapOfDrawerCompd& theDrawerClosedFaces)
712 const TopAbs_ShapeEnum aShapeType = theShapeToParse.ShapeType();
713 if (aShapeType == TopAbs_SHAPE)
715 return Standard_False;
718 // check own setting of current shape
719 Handle(AIS_ColoredDrawer) aDrawer = theParentDrawer;
720 const Standard_Boolean isOverriden = theShapeDrawerMap.Find (theShapeToParse, aDrawer);
722 && aDrawer->IsHidden())
724 return Standard_True;
727 // handle compounds, solids and shells
728 Standard_Boolean isSubOverride = Standard_False;
729 if (aShapeType <= TopAbs_SHELL)
731 // detect parts of closed solids
732 Standard_Boolean isClosedShell = theParentType == TopAbs_SOLID
733 && aShapeType == TopAbs_SHELL
734 && BRep_Tool::IsClosed (theShapeToParse)
735 && StdPrs_ToolTriangulatedShape::IsTriangulated (theShapeToParse);
738 for (TopoDS_Iterator aFaceIter (theShapeToParse); aFaceIter.More(); aFaceIter.Next())
740 const TopoDS_Shape& aFace = aFaceIter.Value();
741 Handle(AIS_ColoredDrawer) aFaceDrawer;
742 if (aFace.ShapeType() != TopAbs_FACE
743 || !theShapeDrawerMap.Find (aFace, aFaceDrawer))
748 if (aFaceDrawer->IsHidden())
750 isClosedShell = Standard_False;
753 else if (aFaceDrawer->HasOwnShadingAspect()
754 && aFaceDrawer->ShadingAspect()->Aspect()->AlphaMode() != Graphic3d_AlphaMode_Opaque)
756 if (aFaceDrawer->ShadingAspect()->Aspect()->AlphaMode() != Graphic3d_AlphaMode_BlendAuto
757 || aFaceDrawer->ShadingAspect()->Aspect()->FrontMaterial().Alpha() < 1.0f
758 || (aFaceDrawer->ShadingAspect()->Aspect()->Distinguish()
759 && aFaceDrawer->ShadingAspect()->Aspect()->BackMaterial().Alpha() < 1.0f))
761 isClosedShell = Standard_False;
768 for (TopoDS_Iterator aSubShapeIter (theShapeToParse); aSubShapeIter.More(); aSubShapeIter.Next())
770 const TopoDS_Shape& aSubShape = aSubShapeIter.Value();
771 if (dispatchColors (aDrawer, aSubShape,
772 theShapeDrawerMap, aShapeType,
774 theDrawerOpenedShapePerType,
775 theDrawerClosedFaces))
777 isSubOverride = Standard_True;
780 return isOverriden || isSubOverride;
783 // iterate on sub-shapes
784 BRep_Builder aBBuilder;
785 TopoDS_Shape aShapeCopy = theShapeToParse.EmptyCopied();
786 aShapeCopy.Closed (theShapeToParse.Closed());
787 Standard_Integer nbDef = 0;
788 for (TopoDS_Iterator aSubShapeIter (theShapeToParse); aSubShapeIter.More(); aSubShapeIter.Next())
790 const TopoDS_Shape& aSubShape = aSubShapeIter.Value();
791 if (dispatchColors (aDrawer, aSubShape,
792 theShapeDrawerMap, aShapeType,
794 theDrawerOpenedShapePerType,
795 theDrawerClosedFaces))
797 isSubOverride = Standard_True;
801 aBBuilder.Add (aShapeCopy, aSubShape);
805 if (aShapeType == TopAbs_FACE || !isSubOverride)
807 aShapeCopy = theShapeToParse;
811 return isOverriden || isSubOverride; // empty compound
814 // if any of styles is overridden regarding to default one, add rest to map
816 || (isSubOverride && theParentType != TopAbs_WIRE // avoid drawing edges when vertex color is overridden
817 && theParentType != TopAbs_FACE) // avoid drawing edges of the same color as face
818 || (theParentType <= TopAbs_SHELL && !(isOverriden || isSubOverride))) // bind original shape to default color
820 TopoDS_Compound aCompound;
821 DataMapOfDrawerCompd& aDrawerShapeMap = theIsParentClosed
822 && aShapeType == TopAbs_FACE
823 ? theDrawerClosedFaces
824 : theDrawerOpenedShapePerType[(size_t)aShapeType];
825 if (!aDrawerShapeMap.FindFromKey (aDrawer, aCompound))
827 aBBuilder.MakeCompound (aCompound);
828 aDrawerShapeMap.Add (aDrawer, aCompound);
830 aBBuilder.Add (aCompound, aShapeCopy);
832 return isOverriden || isSubOverride;
835 //=======================================================================
836 //function : isShapeEntirelyVisible
838 //=======================================================================
839 Standard_Boolean AIS_ColoredShape::isShapeEntirelyVisible() const
841 for (AIS_DataMapOfShapeDrawer::Iterator aMapIter (myShapeColors); aMapIter.More(); aMapIter.Next())
843 if (aMapIter.Value()->IsHidden())
845 return Standard_False;
848 return Standard_True;
851 //=======================================================================
852 //function : bindSubShapes
854 //=======================================================================
855 void AIS_ColoredShape::bindSubShapes (AIS_DataMapOfShapeDrawer& theShapeDrawerMap,
856 const TopoDS_Shape& theKeyShape,
857 const Handle(AIS_ColoredDrawer)& theDrawer) const
859 TopAbs_ShapeEnum aShapeWithColorType = theKeyShape.ShapeType();
860 if (aShapeWithColorType == TopAbs_COMPOUND)
862 theShapeDrawerMap.Bind (theKeyShape, theDrawer);
864 else if (aShapeWithColorType == TopAbs_SOLID || aShapeWithColorType == TopAbs_SHELL)
866 for (TopExp_Explorer anExp (theKeyShape, TopAbs_FACE); anExp.More(); anExp.Next())
868 if (!theShapeDrawerMap.IsBound (anExp.Current()))
870 theShapeDrawerMap.Bind (anExp.Current(), theDrawer);
874 else if (aShapeWithColorType == TopAbs_WIRE)
876 for (TopExp_Explorer anExp (theKeyShape, TopAbs_EDGE); anExp.More(); anExp.Next())
878 if (!theShapeDrawerMap.IsBound (anExp.Current()))
880 theShapeDrawerMap.Bind (anExp.Current(), theDrawer);
886 // bind single face, edge and vertex
887 // force rebind if required due to the color of single shape has
888 // higher priority than the color of "compound" shape (wire is a
889 // compound of edges, shell is a compound of faces) that contains
890 // this single shape.
891 theShapeDrawerMap.Bind (theKeyShape, theDrawer);