Integration of OCCT 6.5.0 from SVN

src/BRepAlgoAPI/BRepAlgoAPI_Section.cxx

@@ -0,0 +1,533 @@
+// File:	BRepAlgoAPI_Section.cxx
+// Created:	Fri Feb 18 11:14:56 1994
+// Author:	Remi LEQUETTE
+//		
+// modified by Michael KLOKOV  Wed Mar  6 15:01:25 2002
+
+#include <BRepAlgoAPI_Section.ixx>
+
+
+#include <BRepBuilderAPI_MakeFace.hxx>
+#include <BRepBuilderAPI_MakeShell.hxx>
+#include <Geom_Plane.hxx>
+#include <Geom2d_TrimmedCurve.hxx>
+#include <BOP_Section.hxx>
+#include <BOPTools_SSIntersectionAttribute.hxx>
+
+#include <BOPTools_SplitShapesPool.hxx>
+#include <BOPTools_InterferencePool.hxx>
+
+#include <BOPTools_PaveBlock.hxx>
+#include <BOPTools_PaveFiller.hxx>
+#include <BooleanOperations_ShapesDataStructure.hxx>
+#include <BOPTools_ListOfPaveBlock.hxx>
+#include <BOPTools_ListIteratorOfListOfPaveBlock.hxx>
+#include <BOPTools_SSInterference.hxx>
+#include <BOPTools_Curve.hxx>
+#include <TopExp.hxx>
+#include <TopTools_IndexedMapOfShape.hxx>
+#include <TopTools_MapOfShape.hxx>
+#include <TopoDS.hxx>
+#include <TopoDS_Face.hxx>
+#include <BRep_Tool.hxx>
+
+#include <BOP_SectionHistoryCollector.hxx>
+
+static TopoDS_Shape MakeShape(const Handle(Geom_Surface)& S)
+{
+  GeomAbs_Shape c = S->Continuity();
+  if (c >= GeomAbs_C2) return BRepBuilderAPI_MakeFace(S);
+  else return BRepBuilderAPI_MakeShell(S);
+}
+
+static Standard_Boolean HasAncestorFaces(const BOPTools_DSFiller& theDSFiller, 
+					 const TopoDS_Shape&      E,
+					 TopoDS_Shape&            F1,
+					 TopoDS_Shape&            F2);
+
+//=======================================================================
+//function : Constructor
+//purpose  : 
+//=======================================================================
+BRepAlgoAPI_Section::BRepAlgoAPI_Section(const TopoDS_Shape& Sh1,
+					 const TopoDS_Shape& Sh2,
+					 const Standard_Boolean PerformNow)
+: BRepAlgoAPI_BooleanOperation(Sh1, Sh2, BOP_SECTION)
+{
+  InitParameters();
+  myparameterschanged = Standard_True;
+
+  if(myS1.IsNull() || myS2.IsNull()) {
+    //     StdFail_NotDone::Raise("BRepAlgoAPI_Section : Shape NULL");
+    myshapeisnull = Standard_True;
+  }
+  if (PerformNow)
+    Build();
+}
+
+BRepAlgoAPI_Section::BRepAlgoAPI_Section(const TopoDS_Shape&      aS1, 
+					 const TopoDS_Shape&      aS2,
+					 const BOPTools_DSFiller& aDSF,
+					 const Standard_Boolean   PerformNow)
+: BRepAlgoAPI_BooleanOperation(aS1, aS2, aDSF, BOP_SECTION)
+{
+  InitParameters();
+  myparameterschanged = Standard_True;
+
+  if(myS1.IsNull() || myS2.IsNull()) {
+    //     StdFail_NotDone::Raise("BRepAlgoAPI_Section : Shape NULL");
+    myshapeisnull = Standard_True;
+  }
+
+  if(PerformNow) {
+    Build();
+  }
+}
+
+
+//=======================================================================
+//function : Constructor
+//purpose  : 
+//=======================================================================
+BRepAlgoAPI_Section::BRepAlgoAPI_Section(const TopoDS_Shape&    Sh,
+					 const gp_Pln&          Pl,
+					 const Standard_Boolean PerformNow)
+: BRepAlgoAPI_BooleanOperation(Sh, MakeShape(new Geom_Plane(Pl)), BOP_SECTION)
+{
+  InitParameters();
+  myparameterschanged = Standard_True;
+
+  if(Sh.IsNull() || myS2.IsNull()) {
+    //     StdFail_NotDone::Raise("BRepAlgoAPI_Section : Shape NULL");
+    myshapeisnull = Standard_True;
+  }
+  if (PerformNow)
+    Build();
+}
+
+//=======================================================================
+//function : Constructor
+//purpose  : 
+//=======================================================================
+BRepAlgoAPI_Section::BRepAlgoAPI_Section(const TopoDS_Shape&         Sh,
+					       const Handle(Geom_Surface)& Sf,
+					       const Standard_Boolean      PerformNow)
+: BRepAlgoAPI_BooleanOperation(Sh, MakeShape(Sf), BOP_SECTION)
+{
+  InitParameters();
+  myparameterschanged = Standard_True;
+
+  if(Sh.IsNull() || myS2.IsNull()) {
+//     StdFail_NotDone::Raise("BRepAlgoAPI_Section : Shape NULL");
+    myshapeisnull = Standard_True;
+  }
+  if (PerformNow)
+    Build();
+}
+
+//=======================================================================
+//function : Constructor
+//purpose  : 
+//=======================================================================
+BRepAlgoAPI_Section::BRepAlgoAPI_Section(const Handle(Geom_Surface)& Sf,
+					       const TopoDS_Shape&         Sh,
+					       const Standard_Boolean      PerformNow)
+: BRepAlgoAPI_BooleanOperation(MakeShape(Sf), Sh, BOP_SECTION)
+{
+  InitParameters();
+  myparameterschanged = Standard_True;
+
+  if(myS1.IsNull() || Sh.IsNull()) {
+//     StdFail_NotDone::Raise("BRepAlgoAPI_Section : Shape NULL");
+    myshapeisnull = Standard_True;
+  }
+  if (PerformNow)
+    Build();
+}
+
+//=======================================================================
+//function : Constructor
+//purpose  : 
+//=======================================================================
+BRepAlgoAPI_Section::BRepAlgoAPI_Section(const Handle(Geom_Surface)& Sf1,
+					       const Handle(Geom_Surface)& Sf2,
+					       const Standard_Boolean      PerformNow)
+: BRepAlgoAPI_BooleanOperation(MakeShape(Sf1), MakeShape(Sf2), BOP_SECTION)
+{
+  InitParameters();
+  myparameterschanged = Standard_True;
+
+  if(myS1.IsNull() || myS2.IsNull()) {
+//     StdFail_NotDone::Raise("BRepAlgoAPI_Section : Shape NULL");
+    myshapeisnull = Standard_True;
+  }
+
+  if (PerformNow)
+    Build();
+}
+
+//=======================================================================
+//function : Init1
+//purpose  : 
+//=======================================================================
+void BRepAlgoAPI_Section::Init1(const TopoDS_Shape& S1) 
+{
+  if(!S1.IsNull()) {
+    if (!S1.IsEqual(myS1)) {
+      myS1 = S1;
+
+      if(!myS2.IsNull()) {
+	myshapeisnull = Standard_False;
+      }
+      myparameterschanged = Standard_True;
+    }
+  }
+  else {
+    if(!myS1.IsNull()) {
+      myS1 = S1;
+      myshapeisnull = Standard_True;
+      myparameterschanged = Standard_True;
+    }
+  }
+
+  if(myparameterschanged)
+    NotDone();
+}
+
+//=======================================================================
+//function : Init1
+//purpose  : 
+//=======================================================================
+void BRepAlgoAPI_Section::Init1(const gp_Pln& Pl) 
+{
+  Init1(MakeShape(new Geom_Plane(Pl)));
+}
+
+//=======================================================================
+//function : Init1
+//purpose  : 
+//=======================================================================
+void BRepAlgoAPI_Section::Init1(const Handle(Geom_Surface)& Sf) 
+{
+  Init1(MakeShape(Sf));
+}
+
+//=======================================================================
+//function : Init2
+//purpose  : 
+//=======================================================================
+void BRepAlgoAPI_Section::Init2(const TopoDS_Shape& S2) 
+{
+  if(!S2.IsNull()) {
+    if (!S2.IsEqual(myS2)) {
+      myS2 = S2;
+
+      if(!myS1.IsNull()) {
+	myshapeisnull = Standard_False;
+      }
+      myparameterschanged = Standard_True;
+    }
+  }
+  else {
+    if(!myS2.IsNull()) {
+      myS2 = S2;
+      myshapeisnull = Standard_True;
+      myparameterschanged = Standard_True;
+    }
+  }
+
+  if(myparameterschanged) {
+    NotDone();
+  }
+}
+
+//=======================================================================
+//function : Init2
+//purpose  : 
+//=======================================================================
+void BRepAlgoAPI_Section::Init2(const gp_Pln& Pl) 
+{
+  Init2(MakeShape(new Geom_Plane(Pl)));
+}
+
+//=======================================================================
+//function : Init2
+//purpose  : 
+//=======================================================================
+void BRepAlgoAPI_Section::Init2(const Handle(Geom_Surface)& Sf) 
+{
+  Init2(MakeShape(Sf));
+}
+
+//=======================================================================
+//function : Approximation
+//purpose  : 
+//=======================================================================
+void BRepAlgoAPI_Section::Approximation(const Standard_Boolean B) 
+{
+  if(myApprox != B) {
+    myApprox = B;
+    myparameterschanged = Standard_True;
+  }
+}
+
+//=======================================================================
+//function : ComputePCurveOn1
+//purpose  : 
+//=======================================================================
+void BRepAlgoAPI_Section::ComputePCurveOn1(const Standard_Boolean B) 
+{
+  if(myComputePCurve1 != B) {
+    myComputePCurve1 = B;
+    myparameterschanged = Standard_True;
+  }
+}
+
+//=======================================================================
+//function : ComputePCurveOn2
+//purpose  : 
+//=======================================================================
+void BRepAlgoAPI_Section::ComputePCurveOn2(const Standard_Boolean B) 
+{
+  if(myComputePCurve2 != B) {
+    myComputePCurve2 = B;
+    myparameterschanged = Standard_True;
+  }
+}
+
+//=======================================================================
+//function : Build
+//purpose  : 
+//=======================================================================
+void BRepAlgoAPI_Section::Build() 
+{
+  if(myshapeisnull) {
+    myErrorStatus = 2;
+    NotDone();
+    return;
+  }
+
+  if(myparameterschanged) {
+
+    myBuilderCanWork = Standard_False;
+
+    Standard_Boolean bIsNewFiller = PrepareFiller();
+    //
+    if (myErrorStatus!=1) {
+      NotDone();
+      // there were errors during the preparation 
+      return;
+    }
+    //
+    if (bIsNewFiller) {
+      //Prepare the DS
+      BOPTools_SSIntersectionAttribute aSectionAttribute(myApprox, myComputePCurve1, myComputePCurve2);
+      myDSFiller->Perform(aSectionAttribute);
+    }
+    BOP_Section* aSectionAlgo = new BOP_Section();
+    aSectionAlgo->SetShapes(myS1, myS2);
+
+    myHistory = new BOP_SectionHistoryCollector(myS1, myS2);
+    aSectionAlgo->SetHistoryCollector(myHistory);
+
+    aSectionAlgo->DoWithFiller(*myDSFiller);
+
+    myBuilder = aSectionAlgo;
+
+    if(aSectionAlgo->IsDone()) {
+      myErrorStatus=0;
+      myBuilderCanWork=Standard_True;
+      myShape = aSectionAlgo->Result();
+      Done();
+    }
+    else {
+      myErrorStatus = 100 + aSectionAlgo->ErrorStatus();
+      NotDone();
+    }    
+    myparameterschanged = Standard_False;
+  }
+}
+
+//=======================================================================
+//function : HasAncestorFaceOn1
+//purpose  : 
+//=======================================================================
+Standard_Boolean BRepAlgoAPI_Section::HasAncestorFaceOn1(const TopoDS_Shape& E, TopoDS_Shape& F) const
+{
+  Standard_Boolean aResult = Standard_False;
+  if(E.IsNull()) {
+    return aResult;
+  }
+
+  if(E.ShapeType() != TopAbs_EDGE) {
+    return aResult;
+  }
+  TopoDS_Shape F1, F2;
+  aResult = HasAncestorFaces(*myDSFiller, E, F1, F2);
+
+  if(F1.IsNull()) {
+    return Standard_False;
+  }
+  F = F1;
+  return aResult;
+}
+
+//=======================================================================
+//function : HasAncestorFaceOn2
+//purpose  : 
+//=======================================================================
+Standard_Boolean BRepAlgoAPI_Section::HasAncestorFaceOn2(const TopoDS_Shape& E,TopoDS_Shape& F) const
+{
+  Standard_Boolean aResult = Standard_False;
+  if(E.IsNull()) {
+    return aResult;
+  }
+
+  if(E.ShapeType() != TopAbs_EDGE) {
+    return aResult;
+  }
+  TopoDS_Shape F1, F2;
+  aResult = HasAncestorFaces(*myDSFiller, E, F1, F2);
+
+  if(F2.IsNull()) {
+    return Standard_False;
+  }
+  F = F2;
+  return aResult;
+}
+
+//=======================================================================
+//function : PCurveOn1
+//purpose  : 
+//=======================================================================
+Handle(Geom2d_Curve) BRepAlgoAPI_Section::PCurveOn1(const TopoDS_Shape& E) const
+{
+  Handle(Geom2d_Curve) aResult;
+  
+  if(myComputePCurve1) {
+    TopoDS_Shape aShape;
+
+    if(HasAncestorFaceOn1(E, aShape)) {
+      const TopoDS_Edge& anEdge = TopoDS::Edge(E);
+      const TopoDS_Face& aFace  = TopoDS::Face(aShape);
+      Standard_Real f, l;
+      aResult = BRep_Tool::CurveOnSurface(anEdge, aFace, f, l);
+
+      if(!aResult->IsKind(STANDARD_TYPE(Geom2d_TrimmedCurve))) {
+	aResult = new Geom2d_TrimmedCurve(aResult, f, l);
+      }
+    }
+  }
+  return aResult;
+}
+
+//=======================================================================
+//function : PCurveOn2
+//purpose  : 
+//=======================================================================
+Handle(Geom2d_Curve) BRepAlgoAPI_Section::PCurveOn2(const TopoDS_Shape& E) const
+{
+  Handle(Geom2d_Curve) aResult;
+  
+  if(myComputePCurve2) {
+    TopoDS_Shape aShape;
+
+    if(HasAncestorFaceOn2(E, aShape)) {
+      const TopoDS_Edge& anEdge = TopoDS::Edge(E);
+      const TopoDS_Face& aFace  = TopoDS::Face(aShape);
+      Standard_Real f, l;
+      aResult = BRep_Tool::CurveOnSurface(anEdge, aFace, f, l);
+      
+      if(!aResult->IsKind(STANDARD_TYPE(Geom2d_TrimmedCurve))) {
+	aResult = new Geom2d_TrimmedCurve(aResult, f, l);
+      }
+    }
+  }
+  return aResult;
+}
+
+//=======================================================================
+//function : InitParameters
+//purpose  : 
+//=======================================================================
+void BRepAlgoAPI_Section::InitParameters() 
+{
+  myparameterschanged = Standard_False;
+  myshapeisnull = Standard_False;
+  myApprox = Standard_False;
+  myComputePCurve1 = Standard_False;
+  myComputePCurve2 = Standard_False;
+}
+
+// ------------------------------------------------------------------------
+// static function : HasAncestorFaces
+// purpose  : 
+// ------------------------------------------------------------------------
+static Standard_Boolean HasAncestorFaces(const BOPTools_DSFiller& theDSFiller, 
+					 const TopoDS_Shape&      E,
+					 TopoDS_Shape&            F1,
+					 TopoDS_Shape&            F2) {
+
+  BOPTools_PaveFiller* aPaveFiller = (BOPTools_PaveFiller*) &theDSFiller.PaveFiller();
+  const BOPTools_CArray1OfSSInterference& aFFs = aPaveFiller->InterfPool()->SSInterferences();
+  const BooleanOperations_ShapesDataStructure& aDS = theDSFiller.DS();
+  Standard_Integer aNb = aFFs.Extent();
+  Standard_Integer i = 0;
+
+  for (i = 1; i <= aNb; i++) {
+    BOPTools_SSInterference* aFFi = (BOPTools_SSInterference*) &aFFs(i);
+    const BOPTools_SequenceOfCurves& aSeqOfCurve = aFFi->Curves();
+    
+    for(Standard_Integer j = 1; j <= aSeqOfCurve.Length(); j++) {
+      const BOPTools_Curve& aCurve = aSeqOfCurve.Value(j);
+      BOPTools_ListIteratorOfListOfPaveBlock anIt(aCurve.NewPaveBlocks());
+
+      for(; anIt.More(); anIt.Next()) {
+	const BOPTools_PaveBlock& aPB = anIt.Value();
+	Standard_Integer anIndex = aPB.Edge();
+
+	if(anIndex <= 0)
+	  continue;
+
+	if(E.IsSame(aDS.Shape(anIndex))) {
+	  for(Standard_Integer fIt = 0; fIt < 2; fIt++) {
+	    anIndex = (fIt == 0) ? aFFi->Index1() : aFFi->Index2();
+	    
+	    if(anIndex > 0) {
+	      if (fIt == 0)
+		F1 = aDS.Shape(anIndex);
+	      else
+		F2 = aDS.Shape(anIndex);
+	    }
+	  }
+	  return Standard_True;
+	}
+      }
+    }
+
+    BOPTools_ListIteratorOfListOfPaveBlock anIt(aFFi->PaveBlocks());
+    
+    for(; anIt.More(); anIt.Next()) {
+      const BOPTools_PaveBlock& aPB = anIt.Value();
+      Standard_Integer anIndex = aPB.Edge();
+
+      if(anIndex <= 0)
+	continue;
+      
+      if(E.IsSame(aDS.Shape(anIndex))) {
+	for(Standard_Integer fIt = 0; fIt < 2; fIt++) {
+	  anIndex = (fIt == 0) ? aFFi->Index1() : aFFi->Index2();
+	  
+	  if(anIndex > 0) {
+	    if (fIt == 0)
+	      F1 = aDS.Shape(anIndex);
+	    else
+	      F2 = aDS.Shape(anIndex);
+	  }
+	}
+	return Standard_True;
+      }
+    }
+  }
+  return Standard_False;
+}