src/ModuleBase/ModuleBase_ResultPrs.cpp

   1 // Copyright (C) 2014-2019  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19
  20 #include "ModuleBase_ResultPrs.h"
  21
  22 #include <GeomAPI_PlanarEdges.h>
  23
  24 #include <ModelAPI_Events.h>
  25 #include <ModelAPI_Tools.h>
  26 #include <ModelAPI_ResultConstruction.h>
  27 #include <ModelAPI_ResultBody.h>
  28 #include <ModelAPI_AttributeIntArray.h>
  29
  30 #include "ModuleBase_Tools.h"
  31 #include "ModuleBase_BRepOwner.h"
  32
  33 #include <Events_InfoMessage.h>
  34 #include <Events_Loop.h>
  35
  36 #include <AIS_ColoredDrawer.hxx>
  37 #include <AIS_InteractiveContext.hxx>
  38 #include <AIS_Selection.hxx>
  39 #include <BOPTools_AlgoTools3D.hxx>
  40 #include <BRep_Builder.hxx>
  41 #include <Graphic3d_AspectMarker3d.hxx>
  42 #include <Prs3d_Drawer.hxx>
  43 #include <Prs3d.hxx>
  44 #include <Prs3d_PointAspect.hxx>
  45 #include <Prs3d_IsoAspect.hxx>
  46 #include <Prs3d_ShadingAspect.hxx>
  47 #include <SelectMgr_SequenceOfOwner.hxx>
  48 #include <SelectMgr_EntityOwner.hxx>
  49 #include <SelectMgr_SelectionManager.hxx>
  50 #include <StdPrs_WFShape.hxx>
  51 #include <StdPrs_ShadedShape.hxx>
  52 #include <StdSelect_BRepSelectionTool.hxx>
  53 #include <TColStd_ListIteratorOfListOfInteger.hxx>
  54 #include <TopExp_Explorer.hxx>
  55 #include <TopoDS.hxx>
  56 #include <TopoDS_Builder.hxx>
  57
  58 //*******************************************************************************************
  59
  60 IMPLEMENT_STANDARD_RTTIEXT(ModuleBase_ResultPrs, ViewerData_AISShape);
  61
  62
  63
  64 //********************************************************************
  65 ModuleBase_ResultPrs::ModuleBase_ResultPrs(ResultPtr theResult)
  66   : ViewerData_AISShape(TopoDS_Shape()), myResult(theResult), myAdditionalSelectionPriority(0),
  67   myTransparency(1), myIsSubstituted(false)
  68 {
  69   std::shared_ptr<GeomAPI_Shape> aShapePtr = ModelAPI_Tools::shape(theResult);
  70   TopoDS_Shape aShape = aShapePtr->impl<TopoDS_Shape>();
  71   Set(aShape);
  72
  73   // Activate individual repaintng if this is a part of compsolid
  74   ResultBodyPtr aResOwner = ModelAPI_Tools::bodyOwner(myResult);
  75   SetAutoHilight(aResOwner.get() == NULL);
  76
  77   init();
  78 }
  79
  80 //********************************************************************
  81 ModuleBase_ResultPrs::ModuleBase_ResultPrs(FieldStepPtr theStep)
  82   : ViewerData_AISShape(TopoDS_Shape()), myStep(theStep), myAdditionalSelectionPriority(0),
  83   myTransparency(1), myIsSubstituted(false)
  84 {
  85   GeomShapePtr aShapePtr = theStep->field()->shape();
  86   TopoDS_Shape aShape = aShapePtr->impl<TopoDS_Shape>();
  87   Set(aShape);
  88
  89   init();
  90 }
  91
  92
  93 //********************************************************************
  94 void ModuleBase_ResultPrs::init()
  95 {
  96   // Set own free boundaries aspect in order to have free
  97   // and unfree boundaries with different colors
  98   Handle(Prs3d_Drawer) aDrawer = Attributes();
  99   Handle(Prs3d_LineAspect) aFreeBndAspect =
 100     new Prs3d_LineAspect(Quantity_NOC_GREEN, Aspect_TOL_SOLID, 1);
 101   aDrawer->SetFreeBoundaryAspect(aFreeBndAspect);
 102
 103   if (aDrawer->HasOwnPointAspect())
 104     aDrawer->PointAspect()->SetTypeOfMarker(Aspect_TOM_PLUS);
 105   else
 106     aDrawer->SetPointAspect(new Prs3d_PointAspect(Aspect_TOM_PLUS, Quantity_NOC_YELLOW, 1.));
 107
 108   myHiddenSubShapesDrawer = new AIS_ColoredDrawer(myDrawer);
 109   Handle(Prs3d_ShadingAspect) aShadingAspect = new Prs3d_ShadingAspect();
 110   aShadingAspect->SetMaterial(Graphic3d_NOM_BRASS); //default value of context material
 111   myHiddenSubShapesDrawer->SetShadingAspect(aShadingAspect);
 112
 113   ModuleBase_Tools::setPointBallHighlighting(this);
 114
 115   // Define colors for wireframe mode
 116   setEdgesDefaultColor();
 117 }
 118
 119
 120 //********************************************************************
 121 void ModuleBase_ResultPrs::setAdditionalSelectionPriority(const int thePriority)
 122 {
 123   myAdditionalSelectionPriority = thePriority;
 124 }
 125
 126 //********************************************************************
 127 void ModuleBase_ResultPrs::SetColor (const Quantity_Color& theColor)
 128 {
 129   ViewerData_AISShape::SetColor(theColor);
 130   myHiddenSubShapesDrawer->ShadingAspect()->SetColor (theColor, myCurrentFacingModel);
 131   setEdgesDefaultColor();
 132 }
 133
 134 void ModuleBase_ResultPrs::setEdgesDefaultColor()
 135 {
 136   if (myResult.get()) {
 137     AttributeIntArrayPtr aColorAttr = myResult->data()->intArray(ModelAPI_Result::COLOR_ID());
 138     bool aHasColor = aColorAttr.get() && aColorAttr->isInitialized();
 139
 140     if (!aHasColor) {
 141       Handle(Prs3d_Drawer) aDrawer = Attributes();
 142       Handle(Prs3d_LineAspect) anAspect; // = aDrawer->LineAspect();
 143       //anAspect->SetColor(Quantity_NOC_YELLOW);
 144       //aDrawer->SetLineAspect(anAspect);
 145
 146       // - unfree boundaries color
 147       anAspect = aDrawer->UnFreeBoundaryAspect();
 148       anAspect->SetColor(Quantity_NOC_YELLOW);
 149       aDrawer->SetUnFreeBoundaryAspect(anAspect);
 150       aDrawer->SetUnFreeBoundaryDraw(true);
 151
 152       // - free boundaries color
 153       anAspect = aDrawer->FreeBoundaryAspect();
 154       anAspect->SetColor(Quantity_NOC_GREEN);
 155       aDrawer->SetFreeBoundaryAspect(anAspect);
 156       aDrawer->SetFreeBoundaryDraw(true);
 157
 158       // - standalone edges color
 159       anAspect = aDrawer->WireAspect();
 160       anAspect->SetColor(Quantity_NOC_RED);
 161       aDrawer->SetWireAspect(anAspect);
 162     }
 163   }
 164 }
 165
 166
 167 //********************************************************************
 168 bool ModuleBase_ResultPrs::setSubShapeHidden(const NCollection_List<TopoDS_Shape>& theShapes)
 169 {
 170   bool isModified = false;
 171
 172   TopoDS_Compound aCompound;
 173   BRep_Builder aBBuilder;
 174   aBBuilder.MakeCompound (aCompound);
 175
 176   TopoDS_Compound aShownComp;
 177   if (myIsSubstituted)
 178     aShownComp = TopoDS::Compound(Shape());
 179
 180   // restore hidden shapes if there are not the shapes in parameter container
 181   NCollection_List<TopoDS_Shape> aVisibleSubShapes;
 182   NCollection_List<TopoDS_Shape>::Iterator aHiddenIt(myHiddenSubShapes);
 183   for (; aHiddenIt.More(); aHiddenIt.Next()) {
 184     if (!theShapes.Contains(aHiddenIt.Value())) {
 185       aVisibleSubShapes.Append(aHiddenIt.Value());
 186     }
 187     else {
 188       aBBuilder.Add(aCompound, aHiddenIt.Value());
 189       if (!aShownComp.IsNull())
 190         aBBuilder.Remove(aShownComp, aHiddenIt.Value());
 191     }
 192   }
 193   isModified = !aVisibleSubShapes.IsEmpty();
 194   NCollection_List<TopoDS_Shape>::Iterator aVisibleIt(aVisibleSubShapes);
 195   for (; aVisibleIt.More(); aVisibleIt.Next()) {
 196     if (myHiddenSubShapes.Contains(aVisibleIt.Value())) {
 197       myHiddenSubShapes.Remove(aVisibleIt.Value());
 198       if (!aShownComp.IsNull())
 199         aBBuilder.Add(aShownComp, aVisibleIt.Value());
 200     }
 201   }
 202   // append hidden shapes into internal container if there are not these shapes
 203   NCollection_List<TopoDS_Shape>::Iterator aShapeIt(theShapes);
 204   for (; aShapeIt.More(); aShapeIt.Next()) {
 205     if (aShapeIt.Value().ShapeType() != TopAbs_FACE) // only face shape can be hidden
 206       continue;
 207
 208     if (!myHiddenSubShapes.Contains(aShapeIt.Value())) {
 209       myHiddenSubShapes.Append(aShapeIt.Value());
 210       aBBuilder.Add (aCompound, aShapeIt.Value());
 211       if (!aShownComp.IsNull())
 212         aBBuilder.Remove(aShownComp, aShapeIt.Value());
 213       isModified = true;
 214     }
 215   }
 216   myHiddenCompound = aCompound;
 217   return isModified;
 218 }
 219
 220 //********************************************************************
 221 bool ModuleBase_ResultPrs::isSubShapeHidden(const TopoDS_Shape& theShape)
 222 {
 223   if (theShape.IsNull() || theShape.ShapeType() != TopAbs_FACE) // only face shape can be hidden
 224     return false;
 225
 226   // orientation of parameter shape(come from selection) may be wrong, check isEqual() to be sure
 227   for (NCollection_List<TopoDS_Shape>::Iterator aShapeIt(myHiddenSubShapes); aShapeIt.More();
 228     aShapeIt.Next())
 229   {
 230     if (theShape.IsSame(aShapeIt.Value()))
 231       return true;
 232   }
 233
 234   return true;
 235 }
 236
 237 //********************************************************************
 238 bool ModuleBase_ResultPrs::hasSubShapeVisible(
 239   const NCollection_List<TopoDS_Shape>& theShapesToSkip)
 240 {
 241   TopoDS_Compound aCompound;
 242   BRep_Builder aBuilder;
 243   aBuilder.MakeCompound (aCompound);
 244   NCollection_List<TopoDS_Shape> aShapesToSkip;
 245   aShapesToSkip.Append(myHiddenSubShapes);
 246   for (NCollection_List<TopoDS_Shape>::Iterator anIt(theShapesToSkip); anIt.More(); anIt.Next())
 247     aShapesToSkip.Append(anIt.Value());
 248
 249   collectSubShapes(aBuilder, aCompound, myOriginalShape, aShapesToSkip);
 250   return !BOPTools_AlgoTools3D::IsEmptyShape(aCompound);
 251 }
 252
 253 //********************************************************************
 254 bool ModuleBase_ResultPrs::setHiddenSubShapeTransparency(double theTransparency)
 255 {
 256   if (myTransparency == theTransparency || theTransparency > 1 || theTransparency < 0)
 257     return false;
 258
 259   myTransparency = theTransparency;
 260   myHiddenSubShapesDrawer->ShadingAspect()->SetTransparency (theTransparency, myCurrentFacingModel);
 261   return true;
 262 }
 263
 264 //********************************************************************
 265 GeomShapePtr ModuleBase_ResultPrs::getOriginalShape() const
 266 {
 267   if (myStep.get())
 268     return myStep->field()->shape();
 269   return myResult->shape();
 270 }
 271
 272 //********************************************************************
 273 void ModuleBase_ResultPrs::Compute(
 274           const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
 275           const Handle(Prs3d_Presentation)& thePresentation,
 276           const Standard_Integer theMode)
 277 {
 278   std::shared_ptr<GeomAPI_Shape> aShapePtr = getOriginalShape();
 279   bool aReadyToDisplay = aShapePtr.get();
 280   if (aReadyToDisplay) {
 281     myOriginalShape = aShapePtr->impl<TopoDS_Shape>();
 282     if (myHiddenSubShapes.IsEmpty() || myOriginalShape.ShapeType() > TopAbs_FACE ) {
 283       if (!myOriginalShape.IsNull()) {
 284         Set(myOriginalShape);
 285         myIsSubstituted = false;
 286       }
 287     }
 288     else { // convert shape into SHELL
 289       TopoDS_Compound aCompound;
 290       if (!myIsSubstituted) {
 291         BRep_Builder aBuilder;
 292         aBuilder.MakeCompound(aCompound);
 293         collectSubShapes(aBuilder, aCompound, myOriginalShape, myHiddenSubShapes);
 294       }
 295       else {
 296         aCompound = TopoDS::Compound(Shape());
 297       }
 298       bool isEmptyShape = BOPTools_AlgoTools3D::IsEmptyShape(aCompound);
 299       Set(aCompound);
 300       myIsSubstituted = true;
 301       if (isEmptyShape)
 302         aReadyToDisplay = false;
 303     }
 304   }
 305   try {
 306     AIS_Shape::Compute(thePresentationManager, thePresentation, theMode);
 307   }
 308   catch (...) {
 309     return;
 310   }
 311
 312   // visualize hidden sub-shapes transparent
 313   if (myResult.get()) {
 314     if (myTransparency < 1 && !myHiddenSubShapes.IsEmpty())
 315     {
 316       StdPrs_ShadedShape::Add(thePresentation, myHiddenCompound, myHiddenSubShapesDrawer);
 317       aReadyToDisplay = true;
 318     }
 319
 320     if (!aReadyToDisplay) {
 321       Events_InfoMessage("ModuleBase_ResultPrs",
 322         "An empty AIS presentation: ModuleBase_ResultPrs").send();
 323       static const Events_ID anEvent = Events_Loop::eventByName(EVENT_EMPTY_AIS_PRESENTATION);
 324       ModelAPI_EventCreator::get()->sendUpdated(myResult, anEvent);
 325     }
 326   }
 327 }
 328
 329 //********************************************************************
 330 void ModuleBase_ResultPrs::collectSubShapes(BRep_Builder& theBuilder,
 331   TopoDS_Shape& theCompound, const TopoDS_Shape& theShape,
 332   const NCollection_List<TopoDS_Shape>& theHiddenSubShapes)
 333 {
 334   switch (theShape.ShapeType()) {
 335     case TopAbs_COMPSOLID:
 336     case TopAbs_COMPOUND: {
 337       for (TopoDS_Iterator aChildIter (theShape); aChildIter.More(); aChildIter.Next())
 338         collectSubShapes(theBuilder, theCompound, aChildIter.Value(), theHiddenSubShapes);
 339     }
 340     break;
 341     case TopAbs_SOLID:
 342     case TopAbs_SHELL: {
 343       for (TopExp_Explorer anExp (theShape, TopAbs_FACE); anExp.More(); anExp.Next()) {
 344         collectSubShapes(theBuilder, theCompound, anExp.Current(), theHiddenSubShapes);
 345       }
 346     }
 347     break;
 348     case TopAbs_WIRE: {
 349       for (TopExp_Explorer anExp (theShape, TopAbs_EDGE); anExp.More(); anExp.Next()) {
 350         collectSubShapes(theBuilder, theCompound, anExp.Current(), theHiddenSubShapes);
 351       }
 352     }
 353     break;
 354     case TopAbs_FACE: {
 355       if (theHiddenSubShapes.Contains(theShape))
 356         return; // remove hidden shape
 357       theBuilder.Add(theCompound, theShape);
 358     }
 359     break;
 360     case TopAbs_EDGE:
 361     case TopAbs_VERTEX: {
 362       theBuilder.Add(theCompound, theShape);
 363     }
 364     default:
 365       break;
 366   }
 367 }
 368
 369 //********************************************************************
 370 void ModuleBase_ResultPrs::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
 371                                             const Standard_Integer theMode)
 372 {
 373   if (appendVertexSelection(aSelection, theMode))
 374     return;
 375
 376   if (theMode > TopAbs_SHAPE) {
 377     // In order to avoid using custom selection modes
 378     if (theMode == ModuleBase_ResultPrs::Sel_Result) {
 379       AIS_Shape::ComputeSelection(aSelection, TopAbs_COMPOUND);
 380     }
 381     return;
 382   }
 383
 384   // TODO: OCCT issue should be created for the COMPOUND processing
 385   // before it is fixed, the next workaround in necessary
 386   if (theMode == AIS_Shape::SelectionMode(TopAbs_COMPOUND)) {
 387     const TopoDS_Shape& aShape = Shape();
 388     TopExp_Explorer aCompExp(aShape, TopAbs_COMPOUND);
 389     // do not activate in compound mode shapes which do not contain compounds
 390     if (!aCompExp.More())
 391       return;
 392   }
 393
 394   // bug 2110: if (theMode == AIS_Shape::SelectionMode(TopAbs_COMPSOLID)) {
 395   //  // Limit selection area only by actual object (Shape)
 396   //  ResultCompSolidPtr aCompSolid = ModelAPI_Tools::compSolidOwner(myResult);
 397   //  if (aCompSolid.get()) {
 398   //    std::shared_ptr<GeomAPI_Shape> aShapePtr = ModelAPI_Tools::shape(aCompSolid);
 399   //    if (aShapePtr.get()) {
 400   //      TopoDS_Shape aShape = aShapePtr->impl<TopoDS_Shape>();
 401   //   int aPriority = StdSelect_BRepSelectionTool::GetStandardPriority(aShape, TopAbs_COMPSOLID);
 402   //     /// It is important to have priority for the shape of comp solid result less than priority
 403   //      /// for the presentation shape which is a sub-result.
 404   //      /// Reason is to select the sub-objects before: #1592
 405   //      aPriority = aPriority - 1;
 406   //      double aDeflection = Prs3d::GetDeflection(aShape, myDrawer);
 407
 408   //      Handle(ModuleBase_BRepOwner) aOwner = new ModuleBase_BRepOwner(aShape, aPriority);
 409   //      StdSelect_BRepSelectionTool::ComputeSensitive(aShape, aOwner, aSelection,
 410   //        aDeflection, myDrawer->HLRAngle(), 9, 500);
 411
 412   //      for (aSelection->Init(); aSelection->More(); aSelection->Next()) {
 413   //        Handle(SelectMgr_EntityOwner) anOwner =
 414   //          Handle(SelectMgr_EntityOwner)
 415   //          ::DownCast(aSelection->Sensitive()->BaseSensitive()->OwnerId());
 416   //        anOwner->Set(this);
 417   //      }
 418   //      return;
 419   //    }
 420   //  }
 421   //}
 422   AIS_Shape::ComputeSelection(aSelection, theMode);
 423
 424   if (myAdditionalSelectionPriority > 0) {
 425     NCollection_Vector<Handle(SelectMgr_SensitiveEntity)> anEntities = aSelection->Entities();
 426     for (NCollection_Vector<Handle(SelectMgr_SensitiveEntity)>::Iterator anIt(anEntities);
 427          anIt.More();
 428          anIt.Next()) {
 429       Handle(SelectMgr_SensitiveEntity) anEntity = anIt.Value();
 430       Handle(SelectBasics_EntityOwner) aBasicsOwner = anEntity->BaseSensitive()->OwnerId();
 431       if (!aBasicsOwner.IsNull())
 432         aBasicsOwner->Set(aBasicsOwner->Priority() + myAdditionalSelectionPriority);
 433     }
 434   }
 435 }
 436
 437 //********************************************************************
 438 bool ModuleBase_ResultPrs::appendVertexSelection(const Handle(SelectMgr_Selection)& aSelection,
 439                                                  const Standard_Integer theMode)
 440 {
 441   if (Shape().ShapeType() == TopAbs_VERTEX) {
 442     const TopoDS_Shape& aShape = Shape();
 443
 444     int aPriority = StdSelect_BRepSelectionTool::GetStandardPriority(aShape, TopAbs_VERTEX);
 445     double aDeflection = Prs3d::GetDeflection(aShape, myDrawer);
 446
 447     /// The cause of this method is the last parameter of BRep owner setting into True.
 448     /// That means that owner should behave like it comes from decomposition. (In this case, OCCT
 449     /// visualizes it in Ring style) OCCT version is 7.0.0 with path for SHAPER module.
 450     Handle(StdSelect_BRepOwner) aOwner = new StdSelect_BRepOwner(aShape, aPriority, Standard_True);
 451     StdSelect_BRepSelectionTool::ComputeSensitive(aShape, aOwner, aSelection,
 452                                                   aDeflection, myDrawer->HLRAngle(), 9, 500);
 453
 454
 455     NCollection_Vector<Handle(SelectMgr_SensitiveEntity)> anEntities = aSelection->Entities();
 456     for (NCollection_Vector<Handle(SelectMgr_SensitiveEntity)>::Iterator anIt(anEntities);
 457          anIt.More();
 458          anIt.Next()) {
 459       Handle(SelectMgr_SensitiveEntity) anEntity = anIt.Value();
 460       Handle(SelectMgr_EntityOwner) anOwner =
 461         Handle(SelectMgr_EntityOwner)
 462         ::DownCast(anEntity->BaseSensitive()->OwnerId());
 463       anOwner->Set(this);
 464     }
 465
 466     return true;
 467   }
 468   return false;
 469 }
 470
 471 //********************************************************************
 472 void ModuleBase_ResultPrs::HilightSelected(const Handle(PrsMgr_PresentationManager3d)& thePM,
 473                                            const SelectMgr_SequenceOfOwner& theOwners)
 474 {
 475   Handle(SelectMgr_EntityOwner) anOwner;
 476   Handle(ModuleBase_BRepOwner) aCompOwner;
 477   for (int i = 1; i <= theOwners.Length(); i++) {
 478     anOwner = theOwners.Value(i);
 479     aCompOwner = Handle(ModuleBase_BRepOwner)::DownCast(anOwner);
 480     if (aCompOwner.IsNull()) {
 481       thePM->Color(anOwner->Selectable(), GetContext()->SelectionStyle());
 482     }
 483     else {
 484       TopoDS_Shape aShape = aCompOwner->Shape();
 485       Handle( Prs3d_Presentation ) aSelectionPrs = GetSelectPresentation( thePM );
 486       aSelectionPrs->Clear();
 487
 488       StdPrs_WFShape::Add(aSelectionPrs, aShape, myDrawer);
 489
 490       aSelectionPrs->SetDisplayPriority(9);
 491       aSelectionPrs->Highlight(GetContext()->SelectionStyle());
 492       aSelectionPrs->Display();
 493       thePM->Color(this, GetContext()->SelectionStyle());
 494     }
 495   }
 496 }
 497
 498 //********************************************************************
 499 void ModuleBase_ResultPrs::HilightOwnerWithColor(const Handle(PrsMgr_PresentationManager3d)& thePM,
 500                                                  const Handle(Prs3d_Drawer)& theStyle,
 501                                                  const Handle(SelectMgr_EntityOwner)& theOwner)
 502 {
 503   Handle(StdSelect_BRepOwner) aOwner = Handle(StdSelect_BRepOwner)::DownCast(theOwner);
 504   if (aOwner.IsNull())
 505     return;
 506
 507   TopoDS_Shape aShape = aOwner->Shape();
 508   if (!aShape.IsNull()) {
 509     thePM->Color(this, theStyle);
 510
 511     Handle( Prs3d_Presentation ) aHilightPrs = GetHilightPresentation( thePM );
 512     aHilightPrs->Clear();
 513
 514     StdPrs_WFShape::Add(aHilightPrs, aShape, myDrawer);
 515     aHilightPrs->Highlight(theStyle);
 516
 517     if (thePM->IsImmediateModeOn())
 518       thePM->AddToImmediateList(aHilightPrs);
 519   }
 520 }