src/ModuleBase/ModuleBase_ViewerPrs.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:        ModuleBase_ViewerPrs.cpp
   4 // Created:     20 Apr 2014
   5 // Author:      Natalia ERMOLAEVA
   6
   7 #include "ModuleBase_ViewerPrs.h"
   8
   9 #include <ModuleBase_ResultPrs.h>
  10
  11 ModuleBase_ViewerPrs::ModuleBase_ViewerPrs(ObjectPtr theResult,
  12                                            const GeomShapePtr& theShape,
  13                                            Handle_SelectMgr_EntityOwner theOwner)
  14 : myResult(theResult),
  15   myShape(theShape),
  16   myOwner(theOwner)
  17 {
  18 }
  19
  20 ModuleBase_ViewerPrs::~ModuleBase_ViewerPrs()
  21 {
  22 }
  23
  24 bool ModuleBase_ViewerPrs::operator==(const ModuleBase_ViewerPrs& thePrs)
  25 {
  26   bool isEqualResult = (myResult.get() == thePrs.object().get());
  27   bool isEqualShape = (!myShape.get() && !thePrs.shape().get()) ||
  28                        (myShape.get() && myShape->isEqual(thePrs.shape()));
  29   bool isEqualIO = (myInteractive == thePrs.interactive()) == Standard_True;
  30
  31   bool isEqualOwner = (myOwner.Access() == thePrs.owner().Access());
  32   if (isEqualResult && isEqualShape && isEqualIO &&
  33       !isEqualOwner) { /// owners are different
  34     // as we might loading object with the same shape in different modes like
  35     // "objects" and "other", it is possible that two owners are created linked
  36     // to one shape. We should accept such ViewerPrs as equal to current in order
  37     // to do not use the same <result, shape> twice
  38     Handle(StdSelect_BRepOwner) anOwner1 = Handle(StdSelect_BRepOwner)::DownCast(myOwner);
  39     Handle(StdSelect_BRepOwner) anOwner2 = Handle(StdSelect_BRepOwner)::DownCast(thePrs.owner());
  40     if (!anOwner1.IsNull() && !anOwner2.IsNull())
  41       isEqualOwner = (anOwner1->Shape().IsNull() && anOwner2->Shape().IsNull()) ||
  42                       anOwner1->Shape().IsEqual(anOwner2->Shape());
  43   }
  44
  45   if (isEqualResult && isEqualShape &&
  46       !isEqualIO) { /// AIS are different
  47     // check that the owner is a fictive owner for compsolid object, created in the
  48     // ComputeSelection of ModuleBase_ResultPrs. A new owner is created there for each subsolid
  49     // and set in the sub-solid AIS. ViewerPrs of these fictive owners are accepted as equal
  50     // as they use the same shape and result(of compsolid)
  51     Handle(ModuleBase_BRepOwner) aCSolidOwner1 = Handle(ModuleBase_BRepOwner)::DownCast(myOwner);
  52     Handle(ModuleBase_BRepOwner) aCSolidOwner2 = Handle(ModuleBase_BRepOwner)::DownCast(thePrs.owner());
  53     isEqualIO = !aCSolidOwner1.IsNull() && !aCSolidOwner2.IsNull();
  54     if (!aCSolidOwner1.IsNull() && !aCSolidOwner1.IsNull())
  55       isEqualOwner = (aCSolidOwner1->Shape().IsNull() && aCSolidOwner2->Shape().IsNull()) ||
  56                       aCSolidOwner1->Shape().IsEqual(aCSolidOwner2->Shape());
  57   }
  58
  59   return isEqualResult && isEqualShape && isEqualOwner && isEqualIO;
  60 }