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Integration of OCCT 6.5.0 from SVN
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bugmaster
bugmaster
186
src/StdPrs/StdPrs_HLRPolyShape.cxx
Executable file
186
src/StdPrs/StdPrs_HLRPolyShape.cxx
Executable file
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// File: StdPrs_HLRPolyShape.cxx
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// Created: Tue Sep 19 15:40:22 1995
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// Author: Laurent PAINNOT
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// <lpa@metrox>
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#include <StdPrs_HLRPolyShape.ixx>
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#include <StdPrs_WFShape.hxx>
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#include <TopAbs.hxx>
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#include <TopExp_Explorer.hxx>
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#include <Graphic3d_Group.hxx>
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#include <Graphic3d_Array1OfVertex.hxx>
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#include <Graphic3d_ArrayOfPrimitives.hxx>
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#include <Graphic3d_ArrayOfPolylines.hxx>
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#include <Prs3d_LineAspect.hxx>
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#include <BRepMesh_IncrementalMesh.hxx>
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#include <HLRBRep_PolyAlgo.hxx>
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#include <HLRBRep_ListOfBPoint.hxx>
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#include <HLRBRep_BiPoint.hxx>
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#include <HLRAlgo_EdgeStatus.hxx>
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#include <HLRAlgo_EdgeIterator.hxx>
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#include <HLRBRep_ListIteratorOfListOfBPoint.hxx>
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#include <TColgp_SequenceOfPnt.hxx>
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#define PntX1 ((Standard_Real*)Coordinates)[0]
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#define PntY1 ((Standard_Real*)Coordinates)[1]
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#define PntZ1 ((Standard_Real*)Coordinates)[2]
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#define PntX2 ((Standard_Real*)Coordinates)[3]
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#define PntY2 ((Standard_Real*)Coordinates)[4]
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#define PntZ2 ((Standard_Real*)Coordinates)[5]
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//=======================================================================
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//function : Add
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//purpose :
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//=======================================================================
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void StdPrs_HLRPolyShape::Add(const Handle (Prs3d_Presentation)& aPresentation,
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const TopoDS_Shape& aShape,
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const Handle (Prs3d_Drawer)& aDrawer,
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const Handle (Prs3d_Projector)& aProjector)
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{
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Handle(Graphic3d_Group) aGroup = Prs3d_Root::CurrentGroup(aPresentation);
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TopExp_Explorer ex;
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Standard_Boolean isPrimArrayEnabled = Graphic3d_ArrayOfPrimitives::IsEnable();
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// find vertices not under ancestors.
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TopAbs_ShapeEnum E = aShape.ShapeType();
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if (E == TopAbs_COMPOUND) {
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// il faut presenter les vertex isoles a defaut de les cacher.
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for (ex.Init(aShape, TopAbs_VERTEX, TopAbs_EDGE); ex.More(); ex.Next()) {
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StdPrs_WFShape::Add(aPresentation, ex.Current(), aDrawer);
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}
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}
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Graphic3d_Array1OfVertex Vertex(1,2);
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TColgp_SequenceOfPnt HiddenPnts;
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TColgp_SequenceOfPnt SeenPnts;
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Standard_Boolean rel = aDrawer->TypeOfDeflection() == Aspect_TOD_RELATIVE;
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Standard_Real def;
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if (rel) def = aDrawer->HLRDeviationCoefficient();
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else def = aDrawer->MaximalChordialDeviation();
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BRepMesh_IncrementalMesh mesh(aShape, def, rel, aDrawer->HLRAngle());
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Handle(HLRBRep_PolyAlgo) hider = new HLRBRep_PolyAlgo(aShape);
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hider->Projector(aProjector->Projector());
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hider->Angle(aDrawer->HLRAngle());
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hider->Update();
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//Standard_Integer i;
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Standard_Real sta,end,dx,dy,dz;
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Standard_ShortReal tolsta, tolend;
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//gp_Pnt PSta, PEnd;
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HLRAlgo_EdgeStatus status;
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HLRAlgo_EdgeIterator It;
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Standard_Boolean reg1,regn,outl, intl;
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Standard_Address Coordinates;
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TopoDS_Shape S;
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HLRBRep_ListOfBPoint BiPntVis, BiPntHid;
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for (hider->InitHide(); hider->MoreHide(); hider->NextHide()) {
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hider->Hide(Coordinates, status, S, reg1, regn, outl, intl);
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dx = PntX2 - PntX1;
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dy = PntY2 - PntY1;
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dz = PntZ2 - PntZ1;
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for (It.InitVisible(status); It.MoreVisible(); It.NextVisible()) {
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It.Visible(sta,tolsta,end,tolend);
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BiPntVis.Append
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(HLRBRep_BiPoint
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(PntX1 + sta * dx,PntY1 + sta * dy,PntZ1 + sta * dz,
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PntX1 + end * dx,PntY1 + end * dy,PntZ1 + end * dz,
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S,reg1,regn,outl,intl));
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}
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for (It.InitHidden(status); It.MoreHidden(); It.NextHidden()) {
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It.Hidden(sta,tolsta,end,tolend);
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BiPntHid.Append
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(HLRBRep_BiPoint
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(PntX1 + sta * dx,PntY1 + sta * dy,PntZ1 + sta * dz,
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PntX1 + end * dx,PntY1 + end * dy,PntZ1 + end * dz,
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S,reg1,regn,outl,intl));
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}
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}
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// stockage dans le groupe:
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HLRBRep_ListIteratorOfListOfBPoint ItB;
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if (aDrawer->DrawHiddenLine()) {
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if(!isPrimArrayEnabled) {
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aGroup->SetPrimitivesAspect(aDrawer->HiddenLineAspect()->Aspect());
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aGroup->BeginPrimitives();
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}
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for (ItB.Initialize(BiPntHid); ItB.More(); ItB.Next()) {
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const HLRBRep_BiPoint& BP = ItB.Value();
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if (!BP.RgNLine() || BP.OutLine()) {
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const gp_Pnt& P1 = BP.P1();
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const gp_Pnt& P2 = BP.P2();
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HiddenPnts.Append(P1);
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HiddenPnts.Append(P2);
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Vertex(1).SetCoord(P1.X(), P1.Y(), P1.Z());
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Vertex(2).SetCoord(P2.X(), P2.Y(), P2.Z());
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if(!isPrimArrayEnabled)
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aGroup->Polyline(Vertex);
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}
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}
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if(!isPrimArrayEnabled)
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aGroup->EndPrimitives();
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}
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if(!isPrimArrayEnabled) {
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aGroup->SetPrimitivesAspect(aDrawer->SeenLineAspect()->Aspect());
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aGroup->BeginPrimitives();
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}
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for (ItB.Initialize(BiPntVis); ItB.More(); ItB.Next()) {
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const HLRBRep_BiPoint& BP = ItB.Value();
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if (!BP.RgNLine() || BP.OutLine()) {
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const gp_Pnt& P1 = BP.P1();
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const gp_Pnt& P2 = BP.P2();
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SeenPnts.Append(P1);
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SeenPnts.Append(P2);
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Vertex(1).SetCoord(P1.X(), P1.Y(), P1.Z());
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Vertex(2).SetCoord(P2.X(), P2.Y(), P2.Z());
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if(!isPrimArrayEnabled)
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aGroup->Polyline(Vertex);
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}
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}
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if(!isPrimArrayEnabled)
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aGroup->EndPrimitives();
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if(isPrimArrayEnabled) {
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Standard_Integer nbVertices = HiddenPnts.Length();
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if(nbVertices > 0) {
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Handle(Graphic3d_ArrayOfPolylines) HiddenArray = new Graphic3d_ArrayOfPolylines(nbVertices, (Standard_Integer)nbVertices/2);
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for(int i=1; i<=nbVertices; i+=2) {
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HiddenArray->AddBound(2);
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HiddenArray->AddVertex(HiddenPnts.Value(i));
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HiddenArray->AddVertex(HiddenPnts.Value(i+1));
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}
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aGroup->SetPrimitivesAspect(aDrawer->HiddenLineAspect()->Aspect());
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aGroup->BeginPrimitives();
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aGroup->AddPrimitiveArray(HiddenArray);
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aGroup->EndPrimitives();
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}
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nbVertices = SeenPnts.Length();
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if(nbVertices > 0) {
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Handle(Graphic3d_ArrayOfPolylines) SeenArray = new Graphic3d_ArrayOfPolylines(nbVertices, (Standard_Integer)nbVertices/2);
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for(int i=1; i<=nbVertices; i+=2) {
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SeenArray->AddBound(2);
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SeenArray->AddVertex(SeenPnts.Value(i));
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SeenArray->AddVertex(SeenPnts.Value(i+1));
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}
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aGroup->SetPrimitivesAspect(aDrawer->SeenLineAspect()->Aspect());
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aGroup->BeginPrimitives();
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aGroup->AddPrimitiveArray(SeenArray);
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aGroup->EndPrimitives();
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}
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}
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}
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