0024952: Possibility to break Boolean operations algorithm by user request

class: BOPAlgo_Algo
method:
void BOPAlgo_Algo::SetProgressIndicator
  (const Handle(Message_ProgressIndicator)& theObj)
Purpose: Set the Progress Indicator object <theObj>.

method:
void BOPAlgo_Algo::UserBreak() const
Purpose: Breaks the execution if the break signal is indicated.

src/BOPAlgo/BOPAlgo.cdl

@@ -18,6 +18,7 @@ package BOPAlgo
 uses
     gp,  
     Bnd, 
+    Message,
     TopAbs, 
     Geom,  
     GeomAPI, 

src/BOPAlgo/BOPAlgo_Algo.cdl

@@ -19,7 +19,8 @@ deferred class Algo from BOPAlgo
  ---Purpose: provides the root interface for algorithms
 
 uses  
-    BaseAllocator from BOPCol
+    BaseAllocator from BOPCol,
+    ProgressIndicator from Message 
     
 --raises
 
@@ -60,9 +61,21 @@ is
         returns Boolean from Standard; 
     ---Purpose: Returns the flag of parallel processing   
      
+    SetProgressIndicator(me:out; 
+             theObj: ProgressIndicator from Message); 
+    ---Purpose: Set the Progress Indicator object. 
+                        
+    UserBreak(me) 
+       is protected;  
+    ---Purpose: Breaks the execution if the break signal   
+    -- is indicated by myProgressIndicator. 
+   
+ 
 fields 
     myAllocator     : BaseAllocator from BOPCol is protected;
     myErrorStatus   : Integer from Standard is protected;  
     myWarningStatus : Integer from Standard is protected;  
     myRunParallel : Boolean from Standard is protected;  
+    myProgressIndicator : ProgressIndicator from Message is protected;  
+    
 end Algo;

src/BOPAlgo/BOPAlgo_Algo.cxx

@@ -19,6 +19,9 @@
 
 #include <NCollection_BaseAllocator.hxx>
 
+#include <Standard_ProgramError.hxx>
+#include <Standard_NotImplemented.hxx>
+
 //=======================================================================
 // function: 
 // purpose: 
@@ -106,6 +109,30 @@ Standard_Boolean BOPAlgo_Algo::RunParallel()const
 {
   return myRunParallel;
 }
+//=======================================================================
+//function : SetProgressIndicator
+//purpose  : 
+//=======================================================================
+void BOPAlgo_Algo::SetProgressIndicator
+  (const Handle(Message_ProgressIndicator)& theObj)
+{
+  if (!theObj.IsNull()) {
+    myProgressIndicator=theObj;
+  }
+}
+//=======================================================================
+//function : UserBreak
+//purpose  : 
+//=======================================================================
+void BOPAlgo_Algo::UserBreak() const
+{
+  if (myProgressIndicator.IsNull()) {
+    return;
+  }
+  if (myProgressIndicator->UserBreak()) {
+    Standard_NotImplemented::Raise("");
+  }
+} 
 //  myErrorStatus
 //
 // 1 - object is just initialized

src/BOPAlgo/BOPAlgo_BOP.cdl

@@ -70,11 +70,11 @@ is
         is redefined protected; 
     ---Purpose:  Provides preparing actions 
 
-    PerformInternal(me:out; 
+    PerformInternal1(me:out; 
         thePF:PaveFiller from BOPAlgo) 
         is redefined protected;   
     ---Purpose:  Performs calculations using prepared Filler 
-    --           object theDSF          	 
+    --           object <thePF>          	 
      
     BuildResult(me:out; 
         theType: ShapeEnum from TopAbs) 

src/BOPAlgo/BOPAlgo_BOP.cxx

@@ -333,10 +333,10 @@ void BOPAlgo_BOP::Perform()
   PerformInternal(*pPF);
 }
 //=======================================================================
-//function : PerformInternal
+//function : PerformInternal1
 //purpose  : 
 //=======================================================================
-void BOPAlgo_BOP::PerformInternal(const BOPAlgo_PaveFiller& theFiller)
+void BOPAlgo_BOP::PerformInternal1(const BOPAlgo_PaveFiller& theFiller)
 {
   myErrorStatus=0;
   myWarningStatus=0;

src/BOPAlgo/BOPAlgo_Builder.cdl

@@ -117,6 +117,10 @@ is
     thePF: PaveFiller from BOPAlgo) 
     is virtual protected;  
  
+    PerformInternal1(me:out; 
+            thePF: PaveFiller from BOPAlgo) 
+        is virtual protected;    
+ 
     CheckData(me:out) 
     is redefined protected;  
 	 

src/BOPAlgo/BOPAlgo_Builder.cxx

@@ -17,12 +17,14 @@
 
 #include <BOPAlgo_Builder.ixx>
 
+#include <Standard_ErrorHandler.hxx>
+#include <Standard_Failure.hxx>
+
 #include <NCollection_IncAllocator.hxx>
 
 #include <TopoDS_Compound.hxx>
 #include <BRep_Builder.hxx>
 
-
 #include <BOPTools_AlgoTools.hxx>
 
 //=======================================================================
@@ -239,6 +241,21 @@ void BOPAlgo_Builder::PerformWithFiller(const BOPAlgo_PaveFiller& theFiller)
 //purpose  : 
 //=======================================================================
 void BOPAlgo_Builder::PerformInternal(const BOPAlgo_PaveFiller& theFiller)
+{
+  try { 
+    OCC_CATCH_SIGNALS
+    PerformInternal1(theFiller);
+  }
+  //
+  catch (Standard_Failure) {
+    myErrorStatus=191;
+  }  
+}
+//=======================================================================
+//function : PerformInternal1
+//purpose  : 
+//=======================================================================
+void BOPAlgo_Builder::PerformInternal1(const BOPAlgo_PaveFiller& theFiller)
 {
   myErrorStatus=0;
   //

src/BOPAlgo/BOPAlgo_BuilderFace.cxx

@@ -17,35 +17,39 @@
 // commercial license or contractual agreement.
 
 #include <BOPAlgo_BuilderFace.ixx>
-
+//
+#include <NCollection_UBTreeFiller.hxx>
+#include <NCollection_DataMap.hxx>
+//
+#include <TColStd_MapIntegerHasher.hxx>
+//
 #include <gp_Pnt2d.hxx>
 #include <gp_Pln.hxx>
 #include <gp_Vec.hxx>
 #include <gp_Dir.hxx>
 #include <gp_Pnt.hxx>
-
+//
 #include <Geom_Surface.hxx>
-
+//
 #include <TopAbs.hxx>
 #include <TopLoc_Location.hxx>
-
+//
 #include <TopoDS_Iterator.hxx>
 #include <TopoDS_Face.hxx>
 #include <TopoDS_Shape.hxx>
 #include <TopoDS_Wire.hxx>
 #include <TopoDS_Edge.hxx>
 #include <TopoDS_Vertex.hxx>
-
+//
 #include <BRep_Builder.hxx>
 #include <BRep_Tool.hxx>
 #include <BRepTools.hxx>
-
+//
 #include <TopExp.hxx>
 #include <TopExp_Explorer.hxx>
 
 #include <IntTools_FClass2d.hxx>
 #include <IntTools_Context.hxx>
-
 //
 #include <BOPTools_AlgoTools.hxx>
 #include <BOPTools_AlgoTools2D.hxx>
@@ -54,11 +58,13 @@
 #include <BOPCol_IndexedDataMapOfShapeListOfShape.hxx>
 #include <BOPTools.hxx>
 #include <BOPCol_ListOfShape.hxx>
-#include <BOPAlgo_WireSplitter.hxx>
+//
 #include <BOPCol_DataMapOfShapeShape.hxx>
 #include <BOPCol_DataMapOfShapeListOfShape.hxx>
 #include <BOPCol_MapOfShape.hxx>
-
+#include <BOPCol_Box2DBndTree.hxx>
+//
+#include <BOPAlgo_WireSplitter.hxx>
 
 static
   Standard_Boolean IsGrowthWire(const TopoDS_Shape& ,
@@ -75,11 +81,7 @@ static
   void GetWire(const TopoDS_Shape& , 
         TopoDS_Shape& ); 
 //
-#include <NCollection_UBTreeFiller.hxx>
-#include <BOPCol_Box2DBndTree.hxx>
-#include <BRepTools.hxx>
-#include <TColStd_MapIntegerHasher.hxx>
-#include <NCollection_DataMap.hxx>
+
 //
 //=======================================================================
 //class     : BOPAlgo_ShapeBox2D
@@ -215,21 +217,29 @@ void BOPAlgo_BuilderFace::Perform()
     return;
   }
   //
+  UserBreak();
+  //
   PerformShapesToAvoid();
   if (myErrorStatus) {
     return;
   }
   //
+  UserBreak();
+  //
   PerformLoops();
   if (myErrorStatus) {
     return;
   }
   //
+  UserBreak();
+  //
   PerformAreas();
   if (myErrorStatus) {
     return;
   }
   //
+  UserBreak();
+  //
   PerformInternalShapes();
   if (myErrorStatus) {
     return;

src/BOPAlgo/BOPAlgo_BuilderSolid.cxx

@@ -199,20 +199,29 @@ void BOPAlgo_BuilderSolid::Perform()
     aBB.Add(aC, aF);
   }
   //
+  UserBreak();
   //
   PerformShapesToAvoid();
   if (myErrorStatus) {
     return;
   }
   //
+  UserBreak();
+  //
   PerformLoops();
   if (myErrorStatus) {
     return;
   }
+  //
+  UserBreak();
+  //
   PerformAreas();
   if (myErrorStatus) {
     return;
   }
+  //
+  UserBreak();
+  //
   PerformInternalShapes();
   if (myErrorStatus) {
     return;

src/BOPAlgo/BOPAlgo_Builder_2.cxx

@@ -87,10 +87,17 @@ typedef NCollection_IndexedDataMap\
 //class    : BOPAlgo_PairOfShapeBoolean
 //purpose  : 
 //=======================================================================
-class BOPAlgo_PairOfShapeBoolean {
+class BOPAlgo_PairOfShapeBoolean : public BOPAlgo_Algo {
+
  public:
-  BOPAlgo_PairOfShapeBoolean()
-    : myFlag(Standard_False) {
+  DEFINE_STANDARD_ALLOC
+
+  BOPAlgo_PairOfShapeBoolean() : 
+    BOPAlgo_Algo(),
+    myFlag(Standard_False) {
+  }
+  //
+  virtual ~BOPAlgo_PairOfShapeBoolean() {
   }
   //
   TopoDS_Shape& Shape1() {
@@ -105,78 +112,43 @@ class BOPAlgo_PairOfShapeBoolean {
     return myFlag;
   }
   //
+  void SetContext(const Handle(IntTools_Context)& aContext) {
+    myContext=aContext;
+  }
+  //
+  const Handle(IntTools_Context)& Context()const {
+    return myContext;
+  }
+  //
+  virtual void Perform() {
+    BOPAlgo_Algo::UserBreak();
+    //  
+    const TopoDS_Face& aFj=*((TopoDS_Face*)&myShape1);
+    const TopoDS_Face& aFk=*((TopoDS_Face*)&myShape2);
+    myFlag=BOPTools_AlgoTools::AreFacesSameDomain(aFj, aFk, myContext);
+  }
+  //
  protected: 
   Standard_Boolean myFlag;
   TopoDS_Shape myShape1;
   TopoDS_Shape myShape2;
+  Handle(IntTools_Context) myContext;
 };
 //
 typedef BOPCol_NCVector<BOPAlgo_PairOfShapeBoolean> \
   BOPAlgo_VectorOfPairOfShapeBoolean;
 //
-//=======================================================================
-//function : BOPAlgo_BuilderSDFaceFunctor
-//purpose  : The class provides the interface and implementation 
-//           of the parallel computations
-//=======================================================================
-class BOPAlgo_BuilderSDFaceFunctor {
- protected:
-  BOPAlgo_VectorOfPairOfShapeBoolean* myPVPSB;
-  
- public:
+typedef BOPCol_TBBContextFunctor 
+  <BOPAlgo_PairOfShapeBoolean,
+  BOPAlgo_VectorOfPairOfShapeBoolean,
+  Handle(IntTools_Context), 
+  IntTools_Context> BOPCol_BuilderSDFaceFunctor;
 //
-  BOPAlgo_BuilderSDFaceFunctor(BOPAlgo_VectorOfPairOfShapeBoolean& aVPSB)
-    : myPVPSB(&aVPSB){
-  }
+typedef BOPCol_TBBContextCnt 
+  <BOPCol_BuilderSDFaceFunctor,
+  BOPAlgo_VectorOfPairOfShapeBoolean,
+  Handle(IntTools_Context)> BOPAlgo_BuilderSDFaceCnt;
 //
-  void operator()( const flexible_range<Standard_Integer>& aBR ) const {
-    Standard_Boolean bFlag;
-    Standard_Integer i, iBeg, iEnd;
-    Handle(IntTools_Context) aContext;
-    //
-    aContext=new IntTools_Context;
-    //
-    BOPAlgo_VectorOfPairOfShapeBoolean& aVPSB=*myPVPSB;
-    //
-    iBeg=aBR.begin();
-    iEnd=aBR.end();
-    for(i=iBeg; i!=iEnd; ++i) {
-      BOPAlgo_PairOfShapeBoolean& aPSB=aVPSB(i);
-      const TopoDS_Face& aFj=(*(TopoDS_Face*)(&aPSB.Shape1()));
-      const TopoDS_Face& aFk=(*(TopoDS_Face*)(&aPSB.Shape2()));
-      bFlag=BOPTools_AlgoTools::AreFacesSameDomain(aFj, aFk, aContext);
-      if (bFlag) {
-        aPSB.Flag()=bFlag;
-      }
-    }
-  }
-};
-//
-//=======================================================================
-//function : BOPAlgo_BuilderSDFaceCnt
-//purpose  : The class provides the interface and implementation 
-//           of the parallel computations
-//=======================================================================
-class BOPAlgo_BuilderSDFaceCnt {
- public:
-  //-------------------------------
-  // Perform
-  Standard_EXPORT static 
-    void Perform(const Standard_Boolean bRunParallel,
-                 BOPAlgo_VectorOfPairOfShapeBoolean& aVPSB) {
-      Standard_Integer aNbVPSB;
-      //
-      aNbVPSB=aVPSB.Extent();
-      BOPAlgo_BuilderSDFaceFunctor aBFF(aVPSB);
-      //
-      if (bRunParallel) {
-        flexible_for(flexible_range<Standard_Integer>(0,aNbVPSB), aBFF);
-      }
-      else {
-        aBFF.operator()(flexible_range<Standard_Integer>(0,aNbVPSB));
-      }
-    }
-};
 //=======================================================================
 // BuilderFace
 //
@@ -194,13 +166,17 @@ typedef BOPCol_TBBCnt
 //class    : BOPAlgo_VFI
 //purpose  : 
 //=======================================================================
-class BOPAlgo_VFI {
+class BOPAlgo_VFI : public BOPAlgo_Algo {
+
  public:
-  BOPAlgo_VFI() 
-   : myFlag(-1) {
+  DEFINE_STANDARD_ALLOC
+  
+  BOPAlgo_VFI() :
+    BOPAlgo_Algo(),
+    myFlag(-1) {
   }
   //
-  ~BOPAlgo_VFI(){
+  virtual ~BOPAlgo_VFI(){
   }
   //
   void SetVertex(const TopoDS_Vertex& aV) {
@@ -231,9 +207,10 @@ class BOPAlgo_VFI {
     return myContext;
   }
   //
-  void Perform() {
+  virtual void Perform() {
     Standard_Real aT1, aT2;
     //
+    BOPAlgo_Algo::UserBreak();
     myFlag=myContext->ComputeVF(myV, myF, aT1, aT2);
   }
   //
@@ -435,6 +412,7 @@ void BOPAlgo_Builder::BuildSplitFaces()
     aBF.SetFace(aF);
     aBF.SetShapes(aLE);
     aBF.SetRunParallel(myRunParallel);
+    aBF.SetProgressIndicator(myProgressIndicator);
     //
   }// for (i=0; i<aNbS; ++i) {
   //
@@ -619,12 +597,13 @@ void BOPAlgo_Builder::FillSameDomainFaces()
         BOPAlgo_PairOfShapeBoolean& aPSB=aVPSB.Append1();
         aPSB.Shape1()=aFj;
         aPSB.Shape2()=aFk;
+        aPSB.SetProgressIndicator(myProgressIndicator);
       }
     }
   }
-  //====================================================
-  BOPAlgo_BuilderSDFaceCnt::Perform(myRunParallel, aVPSB);
-  //====================================================
+  //================================================================
+  BOPAlgo_BuilderSDFaceCnt::Perform(myRunParallel, aVPSB, myContext);
+  //================================================================
   aAllocator=new NCollection_IncAllocator();
   BOPCol_IndexedDataMapOfShapeListOfShape aDMSLS(100, aAllocator);
   BOPCol_DataMapOfIntegerListOfShape aMBlocks(100, aAllocator);
@@ -747,6 +726,7 @@ void BOPAlgo_Builder::FillImagesFaces1()
         BOPAlgo_VFI& aVFI=aVVFI.Append1();
         aVFI.SetVertex(aVx);
         aVFI.SetFace(aFy);
+        aVFI.SetProgressIndicator(myProgressIndicator);
       }
     }
   }// for (i=0; i<aNbS; ++i) {

src/BOPAlgo/BOPAlgo_Builder_3.cxx

@@ -255,6 +255,7 @@ void BOPAlgo_Builder::FillIn3DParts
       continue;
     }
     // 
+    UserBreak();
     //---------------------------------------------
     Handle(NCollection_IncAllocator) aAlr1;
     //
@@ -564,6 +565,7 @@ void BOPAlgo_Builder::BuildSplitSolids
     BOPAlgo_BuilderSolid& aBS=aVBS.Append1();
     aBS.SetSolid(aSolid);
     aBS.SetShapes(aSFS);
+    aBS.SetProgressIndicator(myProgressIndicator);
   }//for (i=0; i<aNbS; ++i) {
   //
   Standard_Integer k, aNbBS;
@@ -701,6 +703,8 @@ void BOPAlgo_Builder::FillInternalShapes()
       continue;
     }
     //
+    UserBreak();
+    //
     const TopoDS_Shape& aS=aSI.Shape();
     //
     aMx.Clear();

src/BOPAlgo/BOPAlgo_PaveFiller.cdl

@@ -97,6 +97,9 @@ is
     --  
     -- protected methods 
     --  
+    PerformInternal (me:out) 
+      is virtual protected;   
+      
     Clear(me:out) 
       is virtual protected;  
           

src/BOPAlgo/BOPAlgo_PaveFiller.cxx

@@ -164,6 +164,21 @@ void BOPAlgo_PaveFiller::Perform()
   try { 
     OCC_CATCH_SIGNALS
     //
+    PerformInternal();
+  }
+  //
+  catch (Standard_Failure) {
+    myErrorStatus=11;
+  } 
+}
+//=======================================================================
+// function: PerformInternal
+// purpose: 
+//=======================================================================
+void BOPAlgo_PaveFiller::PerformInternal()
+{
+  myErrorStatus=0;
+  //
   Init();
   if (myErrorStatus) {
     return; 
@@ -228,8 +243,4 @@ void BOPAlgo_PaveFiller::Perform()
   if (myErrorStatus) {
     return; 
   }
-  } // try {
-  catch (Standard_Failure) {
-    myErrorStatus=11;
-  }  
 } 

src/BOPAlgo/BOPAlgo_PaveFiller_2.cxx

@@ -38,13 +38,17 @@
 //class    : BOPAlgo_VertexEdgeEdge
 //purpose  : 
 //=======================================================================
-class BOPAlgo_VertexEdge {
+class BOPAlgo_VertexEdge : public BOPAlgo_Algo {
+
  public:
-  BOPAlgo_VertexEdge()
-    : myIV(-1), myIE(-1), myIVx(-1), myFlag(-1), myT(-1.) {
+  DEFINE_STANDARD_ALLOC
+
+  BOPAlgo_VertexEdge() : 
+    BOPAlgo_Algo(),
+    myIV(-1), myIE(-1), myIVx(-1), myFlag(-1), myT(-1.) {
   };
   //
-  ~BOPAlgo_VertexEdge(){
+  virtual ~BOPAlgo_VertexEdge(){
   };
   //
   void SetIndices(const Standard_Integer nV,
@@ -95,7 +99,8 @@ class BOPAlgo_VertexEdge {
     return myContext;
   }
   //
-  void Perform() {
+  virtual void Perform() {
+    BOPAlgo_Algo::UserBreak();
     myFlag=myContext->ComputeVE (myV, myE, myT);
   };
   //
@@ -190,8 +195,9 @@ void BOPAlgo_PaveFiller::PerformVE()
     aVESolver.SetIndices(nV, nE, nVx);
     aVESolver.SetVertex(aV);
     aVESolver.SetEdge(aE);
+    aVESolver.SetProgressIndicator(myProgressIndicator);
     //
-  }// myIterator->Initialize(TopAbs_VERTEX, TopAbs_EDGE);
+  }// for (; myIterator->More(); myIterator->Next()) {
   //
   aNbVE=aVVE.Extent();
   //=============================================================

src/BOPAlgo/BOPAlgo_PaveFiller_3.cxx

@@ -70,13 +70,20 @@
 //class    : BOPAlgo_EdgeEdge
 //purpose  : 
 //=======================================================================
-class BOPAlgo_EdgeEdge : public IntTools_EdgeEdge {
+class BOPAlgo_EdgeEdge : 
+  public IntTools_EdgeEdge,
+  public BOPAlgo_Algo {
+ 
  public:
-  BOPAlgo_EdgeEdge()
-    : IntTools_EdgeEdge() {
+
+  DEFINE_STANDARD_ALLOC
+  //
+  BOPAlgo_EdgeEdge(): 
+    IntTools_EdgeEdge(),
+    BOPAlgo_Algo() {
   };
   //
-  ~BOPAlgo_EdgeEdge(){
+  virtual ~BOPAlgo_EdgeEdge(){
   };
   //
   void SetPaveBlock1(const Handle(BOPDS_PaveBlock)& aPB) {
@@ -95,6 +102,11 @@ class BOPAlgo_EdgeEdge : public IntTools_EdgeEdge {
     return myPB2;
   }
   // 
+  virtual void Perform() {
+    BOPAlgo_Algo::UserBreak();
+    IntTools_EdgeEdge::Perform();
+  }
+  //
  protected:
   Handle(BOPDS_PaveBlock) myPB1;
   Handle(BOPDS_PaveBlock) myPB2;
@@ -345,6 +357,7 @@ void BOPAlgo_PaveFiller::PerformEE()
         //
         anEdgeEdge.SetEdge1(aE1, aT11, aT12);
         anEdgeEdge.SetEdge2(aE2, aT21, aT22);
+        anEdgeEdge.SetProgressIndicator(myProgressIndicator);
       }//for (; aIt2.More(); aIt2.Next()) {
     }//for (; aIt1.More(); aIt1.Next()) {
   }//for (; myIterator->More(); myIterator->Next()) {

src/BOPAlgo/BOPAlgo_PaveFiller_4.cxx

@@ -42,14 +42,17 @@
 //class    : BOPAlgo_VertexFace
 //purpose  : 
 //=======================================================================
-class BOPAlgo_VertexFace {
+class BOPAlgo_VertexFace : public BOPAlgo_Algo {
  public:
-  BOPAlgo_VertexFace()
-    : myIV(-1), myIF(-1), myIVx(-1), 
+  DEFINE_STANDARD_ALLOC
+
+  BOPAlgo_VertexFace() : 
+    BOPAlgo_Algo(),
+    myIV(-1), myIF(-1), myIVx(-1), 
     myFlag(-1), myT1(-1.),  myT2(-1.) {
   }
   //
-  ~BOPAlgo_VertexFace(){
+  virtual ~BOPAlgo_VertexFace(){
   }
   //
   void SetIndices(const Standard_Integer nV,
@@ -102,7 +105,8 @@ class BOPAlgo_VertexFace {
     return myContext;
   }
   //
-  void Perform() {
+  virtual void Perform() {
+    BOPAlgo_Algo::UserBreak();
     myFlag=myContext->ComputeVF(myV, myF, myT1, myT2);
   }
   //
@@ -189,6 +193,7 @@ void BOPAlgo_PaveFiller::PerformVF()
       aVertexFace.SetIndices(nV, nF, nVx);
       aVertexFace.SetVertex(aV);
       aVertexFace.SetFace(aF);
+      aVertexFace.SetProgressIndicator(myProgressIndicator);
     }//for (; myIterator->More(); myIterator->Next()) {
     //
     aNbVF=aVVF.Extent();

src/BOPAlgo/BOPAlgo_PaveFiller_5.cxx

@@ -60,13 +60,20 @@
 //class    : BOPAlgo_EdgeFace
 //purpose  : 
 //=======================================================================
-class BOPAlgo_EdgeFace : public IntTools_EdgeFace {
+class BOPAlgo_EdgeFace : 
+  public IntTools_EdgeFace,
+  public BOPAlgo_Algo {
+ 
  public:
-  BOPAlgo_EdgeFace()
-    : IntTools_EdgeFace(), myIE(-1), myIF(-1) {
+  DEFINE_STANDARD_ALLOC
+  
+  BOPAlgo_EdgeFace() : 
+    IntTools_EdgeFace(), 
+    BOPAlgo_Algo(),
+    myIE(-1), myIF(-1) {
   };
   //
-  ~BOPAlgo_EdgeFace(){
+  virtual ~BOPAlgo_EdgeFace(){
   };
   //
   void SetIndices(const Standard_Integer nE,
@@ -97,6 +104,11 @@ class BOPAlgo_EdgeFace : public IntTools_EdgeFace {
     return myPB;
   }
   //
+  virtual void Perform() {
+    BOPAlgo_Algo::UserBreak();
+    IntTools_EdgeFace::Perform();
+  }
+  //
  protected:
   Standard_Integer myIE;
   Standard_Integer myIF;
@@ -225,6 +237,7 @@ void BOPAlgo_PaveFiller::PerformEF()
       aSR = aPBRange;
       BOPTools_AlgoTools::CorrectRange(aE, aF, aSR, aPBRange);
       aEdgeFace.SetRange (aPBRange);
+      aEdgeFace.SetProgressIndicator(myProgressIndicator);
       //
     }//for (; aIt.More(); aIt.Next()) {
   }//for (; myIterator->More(); myIterator->Next()) {

src/BOPAlgo/BOPAlgo_PaveFiller_6.cxx

@@ -101,13 +101,20 @@ static void ToleranceFF(const BRepAdaptor_Surface& aBAS1,
 //class    : BOPAlgo_FaceFace
 //purpose  : 
 //=======================================================================
-class BOPAlgo_FaceFace : public IntTools_FaceFace {
+class BOPAlgo_FaceFace : 
+  public IntTools_FaceFace,
+  public BOPAlgo_Algo {
+
  public:
-  BOPAlgo_FaceFace() 
-   : IntTools_FaceFace(),  myIF1(-1), myIF2(-1), myTolFF(1.e-7) {
+  DEFINE_STANDARD_ALLOC
+
+  BOPAlgo_FaceFace() : 
+    IntTools_FaceFace(),  
+    BOPAlgo_Algo(),
+    myIF1(-1), myIF2(-1), myTolFF(1.e-7) {
   }
   //
-  ~BOPAlgo_FaceFace() {
+  virtual ~BOPAlgo_FaceFace() {
   }
   //
   void SetIndices(const Standard_Integer nF1,
@@ -144,7 +151,8 @@ class BOPAlgo_FaceFace : public IntTools_FaceFace {
     return myTolFF;
   }
   //
-  void Perform() {
+  virtual void Perform() {
+    BOPAlgo_Algo::UserBreak();
     IntTools_FaceFace::Perform(myF1, myF2);
   }
   //
@@ -257,8 +265,7 @@ void BOPAlgo_PaveFiller::PerformFF()
     }
     //
     aFaceFace.SetParameters(bApp, bCompC2D1, bCompC2D2, aApproxTol);
-    //
-    //aFaceFace.Perform(aF1, aF2);
+    aFaceFace.SetProgressIndicator(myProgressIndicator);
   }//for (; myIterator->More(); myIterator->Next()) {
   //
   aNbFaceFace=aVFaceFace.Extent();
@@ -387,6 +394,9 @@ void BOPAlgo_PaveFiller::MakeBlocks()
   BOPCol_DataMapOfIntegerInteger aDMI(100, aAllocator);
   //
   for (i=0; i<aNbFF; ++i) {
+    //
+    UserBreak();
+    //
     BOPDS_InterfFF& aFF=aFFs(i);
     aFF.Indices(nF1, nF2);
     //
@@ -679,6 +689,7 @@ Standard_Integer BOPAlgo_PaveFiller::PostTreatFF
   }
   //
   // 2 Fuse shapes
+  aPF.SetProgressIndicator(myProgressIndicator);
   aPF.SetRunParallel(myRunParallel);
   aPF.SetArguments(aLS);
   aPF.Perform();

src/BOPAlgo/BOPAlgo_PaveFiller_7.cxx

@@ -74,14 +74,18 @@ static void UpdateVertices(const TopoDS_Edge& aE,
 //class    : BOPAlgo_SplitEdge
 //purpose  : 
 //=======================================================================
-class BOPAlgo_SplitEdge {
+class BOPAlgo_SplitEdge : public BOPAlgo_Algo  {
+ 
  public:
-  BOPAlgo_SplitEdge() {
+  DEFINE_STANDARD_ALLOC
+
+  BOPAlgo_SplitEdge() :
+    BOPAlgo_Algo() {
     myT1=0.;
     myT2=0.;
   }
   //
-  ~BOPAlgo_SplitEdge() {
+  virtual ~BOPAlgo_SplitEdge() {
   }
   //
   void SetData(const TopoDS_Edge& aE,
@@ -121,7 +125,8 @@ class BOPAlgo_SplitEdge {
     return myBox;
   }
   //
-  void Perform () {
+  virtual void Perform () {
+    BOPAlgo_Algo::UserBreak();
     BOPTools_AlgoTools::MakeSplitEdge(myE, 
                                       myV1, myT1, 
                                       myV2, myT2, 
@@ -160,13 +165,17 @@ typedef BOPCol_TBBCnt
 //class    : BOPAlgo_MPC
 //purpose  : 
 //=======================================================================
-class BOPAlgo_MPC {
+class BOPAlgo_MPC : public BOPAlgo_Algo  {
+ 
  public:
-  BOPAlgo_MPC() 
-    : myFlag(Standard_False) {
+  DEFINE_STANDARD_ALLOC
+
+  BOPAlgo_MPC() : 
+    BOPAlgo_Algo(),
+    myFlag(Standard_False) {
   };
   //
-  ~BOPAlgo_MPC(){
+  virtual ~BOPAlgo_MPC(){
   };
   //
   void SetEdge(const TopoDS_Edge& aE) {
@@ -193,7 +202,8 @@ class BOPAlgo_MPC {
     return myFlag;
   }
   //
-  void Perform() {
+  virtual void Perform() {
+    BOPAlgo_Algo::UserBreak();
     BOPTools_AlgoTools2D::BuildPCurveForEdgeOnFace(myE, myF);
     if (myFlag) {
       UpdateVertices(myE, myF);
@@ -334,6 +344,7 @@ void BOPAlgo_PaveFiller::MakeSplitEdges()
         if (bCB) {
           aBSE.SetCommonBlock(aCB);
         }
+        aBSE.SetProgressIndicator(myProgressIndicator);
       }
     } // for (; aItPB.More(); aItPB.Next()) {
   }  // for (i=0; i<aNbPBP; ++i) {      
@@ -441,6 +452,7 @@ void BOPAlgo_PaveFiller::MakePCurves()
       BOPAlgo_MPC& aMPC=aVMPC.Append1();
       aMPC.SetEdge(aE);
       aMPC.SetFace(aF1F);
+      aMPC.SetProgressIndicator(myProgressIndicator);
     }
     //
     // On
@@ -455,6 +467,7 @@ void BOPAlgo_PaveFiller::MakePCurves()
         BOPAlgo_MPC& aMPC=aVMPC.Append1();
         aMPC.SetEdge(aE);
         aMPC.SetFace(aF1F);
+        aMPC.SetProgressIndicator(myProgressIndicator);
       }
     }
   }// for (i=0; i<aNbFI; ++i) {
@@ -497,6 +510,7 @@ void BOPAlgo_PaveFiller::MakePCurves()
               aMPC.SetEdge(aE);
               aMPC.SetFace(aFf[m]);
               aMPC.SetFlag(bPCurveOnS[m]);
+              aMPC.SetProgressIndicator(myProgressIndicator);
             }
           }
         }

src/BOPCol/BOPCol_TBB.hxx

@@ -15,8 +15,10 @@
 #ifndef _BOPDS_Col_HeaderFile
 #define _BOPDS_Col_HeaderFile
 
-#ifdef HAVE_TBB
+#include <Standard_Macro.hxx>
+#include <Standard_NotImplemented.hxx>
 
+#ifdef HAVE_TBB
 // On Windows, function TryEnterCriticalSection has appeared in Windows NT
 // and is surrounded by #ifdef in MS VC++ 7.1 headers.
 // Thus to use it we need to define appropriate macro saying that we wil
@@ -126,8 +128,21 @@ template <class TypeFunctor,
     Standard_Integer aNb=aV.Extent();
     //
     if (bRunParallel) {
+#ifdef HAVE_TBB
+      try {
         flexible_for(flexible_range<Standard_Integer>(0,aNb), aFunctor);
       }
+      //
+      catch( captured_exception&  ) {
+        Standard_NotImplemented::Raise("");
+      } 
+      catch( ... ) {
+        Standard_NotImplemented::Raise("");
+      }
+#else // not HAVE_TBB
+      flexible_for(flexible_range<Standard_Integer>(0,aNb), aFunctor);
+#endif      
+    }
     else {
       aFunctor.operator()(flexible_range<Standard_Integer>(0,aNb));
     }
@@ -136,7 +151,6 @@ template <class TypeFunctor,
 //
 // 2.2. Context dependent version
 //
-#include <Standard_Macro.hxx>
 
 //=======================================================================
 //class    : BOPCol_TBBContextFunctor
@@ -208,8 +222,22 @@ template <class TypeFunctor,
     Standard_Integer aNb=aV.Extent();
     //
     if (bRunParallel) {
+#ifdef HAVE_TBB
+      try {
         flexible_for(flexible_range<Standard_Integer>(0,aNb), aFunctor);
       }
+      //
+      catch(captured_exception& ) {
+        //cout<<" captured_exception: " << ex.what() << endl;
+        Standard_NotImplemented::Raise("");
+      } 
+      catch( ... ) {
+        Standard_NotImplemented::Raise("");
+      }
+#else // not HAVE_TBB
+      flexible_for(flexible_range<Standard_Integer>(0,aNb), aFunctor);
+#endif      
+    }
     else {
       aFunctor.SetContext(aCtx);
       aFunctor.operator()(flexible_range<Standard_Integer>(0,aNb));