src/ModuleBase/ModuleBase_ResultPrs.cpp

   1 // Copyright (C) 2014-2017  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
  18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
  19 //
  20
  21 #include "ModuleBase_ResultPrs.h"
  22
  23 #include <GeomAPI_PlanarEdges.h>
  24
  25 #include <ModelAPI_Events.h>
  26 #include <ModelAPI_Tools.h>
  27 #include <ModelAPI_ResultConstruction.h>
  28 #include <ModelAPI_ResultCompSolid.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 <BRep_Builder.hxx>
  40 #include <Graphic3d_AspectMarker3d.hxx>
  41 #include <Prs3d_Drawer.hxx>
  42 #include <Prs3d.hxx>
  43 #include <Prs3d_PointAspect.hxx>
  44 #include <Prs3d_IsoAspect.hxx>
  45 #include <Prs3d_ShadingAspect.hxx>
  46 #include <SelectMgr_SequenceOfOwner.hxx>
  47 #include <SelectMgr_EntityOwner.hxx>
  48 #include <SelectMgr_SelectionManager.hxx>
  49 #include <StdPrs_WFShape.hxx>
  50 #include <StdPrs_ShadedShape.hxx>
  51 #include <StdSelect_BRepSelectionTool.hxx>
  52 #include <TColStd_ListIteratorOfListOfInteger.hxx>
  53 #include <TopExp_Explorer.hxx>
  54 #include <TopoDS.hxx>
  55 #include <TopoDS_Builder.hxx>
  56
  57 //*******************************************************************************************
  58
  59 IMPLEMENT_STANDARD_RTTIEXT(ModuleBase_ResultPrs, ViewerData_AISShape);
  60
  61
  62
  63 //********************************************************************
  64 ModuleBase_ResultPrs::ModuleBase_ResultPrs(ResultPtr theResult)
  65   : ViewerData_AISShape(TopoDS_Shape()), myResult(theResult), myAdditionalSelectionPriority(0),
  66   myTransparency(1)
  67 {
  68   std::shared_ptr<GeomAPI_Shape> aShapePtr = ModelAPI_Tools::shape(theResult);
  69   TopoDS_Shape aShape = aShapePtr->impl<TopoDS_Shape>();
  70   Set(aShape);
  71   Handle(Prs3d_Drawer) aDrawer = Attributes();
  72   if (aDrawer->HasOwnPointAspect())
  73     aDrawer->PointAspect()->SetTypeOfMarker(Aspect_TOM_PLUS);
  74   else
  75     aDrawer->SetPointAspect(new Prs3d_PointAspect(Aspect_TOM_PLUS, Quantity_NOC_YELLOW, 1.));
  76
  77   // Activate individual repaintng if this is a part of compsolid
  78   ResultCompSolidPtr aCompSolid = ModelAPI_Tools::compSolidOwner(myResult);
  79   SetAutoHilight(aCompSolid.get() == NULL);
  80
  81   myHiddenSubShapesDrawer = new AIS_ColoredDrawer (myDrawer);
  82   Handle(Prs3d_ShadingAspect) aShadingAspect = new Prs3d_ShadingAspect();
  83   aShadingAspect->SetMaterial(Graphic3d_NOM_BRASS); //default value of context material
  84   myHiddenSubShapesDrawer->SetShadingAspect(aShadingAspect);
  85
  86   ModuleBase_Tools::setPointBallHighlighting(this);
  87 }
  88
  89 //********************************************************************
  90 void ModuleBase_ResultPrs::setAdditionalSelectionPriority(const int thePriority)
  91 {
  92   myAdditionalSelectionPriority = thePriority;
  93 }
  94
  95 //********************************************************************
  96 void ModuleBase_ResultPrs::SetColor (const Quantity_Color& theColor)
  97 {
  98   ViewerData_AISShape::SetColor(theColor);
  99   myHiddenSubShapesDrawer->ShadingAspect()->SetColor (theColor, myCurrentFacingModel);
 100 }
 101
 102 //********************************************************************
 103 bool ModuleBase_ResultPrs::setSubShapeHidden(const NCollection_List<TopoDS_Shape>& theShapes)
 104 {
 105   bool isModified = false;
 106
 107   TopoDS_Compound aCompound;
 108   BRep_Builder aBBuilder;
 109   aBBuilder.MakeCompound (aCompound);
 110   // restore hidden shapes if there are not the shapes in parameter container
 111   NCollection_List<TopoDS_Shape> aVisibleSubShapes;
 112   for (NCollection_List<TopoDS_Shape>::Iterator aHiddenIt(myHiddenSubShapes); aHiddenIt.More();
 113        aHiddenIt.Next()) {
 114     if (!theShapes.Contains(aHiddenIt.Value()))
 115       aVisibleSubShapes.Append(aHiddenIt.Value());
 116     else
 117       aBBuilder.Add (aCompound, aHiddenIt.Value());
 118   }
 119   isModified = !aVisibleSubShapes.IsEmpty();
 120   for (NCollection_List<TopoDS_Shape>::Iterator aVisibleIt(aVisibleSubShapes); aVisibleIt.More();
 121        aVisibleIt.Next())
 122     myHiddenSubShapes.Remove(aVisibleIt.Value());
 123
 124   // append hidden shapes into internal container if there are not these shapes
 125   for (NCollection_List<TopoDS_Shape>::Iterator aShapeIt(theShapes); aShapeIt.More();
 126     aShapeIt.Next())
 127   {
 128     if (aShapeIt.Value().ShapeType() != TopAbs_FACE) // only face shape can be hidden
 129       continue;
 130
 131     if (!myHiddenSubShapes.Contains(aShapeIt.Value())) {
 132       myHiddenSubShapes.Append(aShapeIt.Value());
 133       aBBuilder.Add (aCompound, aShapeIt.Value());
 134       isModified = true;
 135     }
 136   }
 137   myHiddenCompound = aCompound;
 138   return isModified;
 139 }
 140
 141 //********************************************************************
 142 bool ModuleBase_ResultPrs::hasSubShapeVisible(const TopoDS_Shape& theShape)
 143 {
 144   int aNbOfHiddenSubShapes = myHiddenSubShapes.Size();
 145
 146   if (!myHiddenSubShapes.Contains(theShape))
 147     aNbOfHiddenSubShapes++; // the shape to be hidden later
 148
 149   TopExp_Explorer anExp(myOriginalShape, TopAbs_FACE);
 150   bool aHasVisibleShape = false;
 151   for(TopExp_Explorer anExp(myOriginalShape, TopAbs_FACE); anExp.More() && !aHasVisibleShape;
 152       anExp.Next())
 153   {
 154     aNbOfHiddenSubShapes--;
 155     if (aNbOfHiddenSubShapes < 0)
 156       aHasVisibleShape = true;
 157   }
 158   return aHasVisibleShape;
 159 }
 160
 161 //********************************************************************
 162 bool ModuleBase_ResultPrs::setHiddenSubShapeTransparency(double theTransparency)
 163 {
 164   if (myTransparency == theTransparency || theTransparency > 1 || theTransparency < 0)
 165     return false;
 166
 167   myTransparency = theTransparency;
 168   myHiddenSubShapesDrawer->ShadingAspect()->SetTransparency (theTransparency, myCurrentFacingModel);
 169   return true;
 170 }
 171
 172 //********************************************************************
 173 void ModuleBase_ResultPrs::Compute(
 174           const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
 175           const Handle(Prs3d_Presentation)& thePresentation,
 176           const Standard_Integer theMode)
 177 {
 178   std::shared_ptr<GeomAPI_Shape> aShapePtr = ModelAPI_Tools::shape(myResult);
 179   bool aReadyToDisplay = aShapePtr.get();
 180   if (aReadyToDisplay) {
 181     myOriginalShape = aShapePtr->impl<TopoDS_Shape>();
 182     if (myHiddenSubShapes.IsEmpty() || myOriginalShape.ShapeType() > TopAbs_FACE ) {
 183       if (!myOriginalShape.IsNull())
 184         Set(myOriginalShape);
 185     }
 186     else { // convert shape into SHELL
 187       TopoDS_Shell aShell;
 188       BRep_Builder aShellBuilder;
 189       aShellBuilder.MakeShell(aShell);
 190       bool isEmptyShape = true;
 191       for(TopExp_Explorer anExp(myOriginalShape, TopAbs_FACE); anExp.More(); anExp.Next()) {
 192         if (myHiddenSubShapes.Contains(anExp.Current()))
 193           continue;
 194         aShellBuilder.Add(aShell, anExp.Current());
 195         isEmptyShape = false;
 196       }
 197       Set(aShell);
 198       if (isEmptyShape)
 199         aReadyToDisplay = false;
 200     }
 201   }
 202   // change deviation coefficient to provide more precise circle
 203   //ModuleBase_Tools::setDefaultDeviationCoefficient(myResult, Attributes());
 204   AIS_Shape::Compute(thePresentationManager, thePresentation, theMode);
 205
 206   // visualize hidden sub-shapes transparent
 207   if (myTransparency < 1 && !myHiddenSubShapes.IsEmpty())
 208   {
 209     StdPrs_ShadedShape::Add (thePresentation, myHiddenCompound, myHiddenSubShapesDrawer);
 210     aReadyToDisplay = true;
 211   }
 212
 213   if (!aReadyToDisplay) {
 214     Events_InfoMessage("ModuleBase_ResultPrs",
 215                        "An empty AIS presentation: ModuleBase_ResultPrs").send();
 216     static const Events_ID anEvent = Events_Loop::eventByName(EVENT_EMPTY_AIS_PRESENTATION);
 217     ModelAPI_EventCreator::get()->sendUpdated(myResult, anEvent);
 218   }
 219 }
 220
 221 //********************************************************************
 222 void ModuleBase_ResultPrs::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
 223                                             const Standard_Integer theMode)
 224 {
 225   if (appendVertexSelection(aSelection, theMode))
 226     return;
 227
 228   if (theMode > TopAbs_SHAPE) {
 229     // In order to avoid using custom selection modes
 230     if (theMode == ModuleBase_ResultPrs::Sel_Result) {
 231       AIS_Shape::ComputeSelection(aSelection, TopAbs_COMPOUND);
 232     }
 233     return;
 234   }
 235
 236   // TODO: OCCT issue should be created for the COMPOUND processing
 237   // before it is fixed, the next workaround in necessary
 238   if (theMode == AIS_Shape::SelectionMode(TopAbs_COMPOUND)) {
 239     const TopoDS_Shape& aShape = Shape();
 240     TopExp_Explorer aCompExp(aShape, TopAbs_COMPOUND);
 241     // do not activate in compound mode shapes which do not contain compounds
 242     if (!aCompExp.More())
 243       return;
 244   }
 245
 246   if (theMode == AIS_Shape::SelectionMode(TopAbs_COMPSOLID)) {
 247     // Limit selection area only by actual object (Shape)
 248     ResultCompSolidPtr aCompSolid = ModelAPI_Tools::compSolidOwner(myResult);
 249     if (aCompSolid.get()) {
 250       std::shared_ptr<GeomAPI_Shape> aShapePtr = ModelAPI_Tools::shape(aCompSolid);
 251       if (aShapePtr.get()) {
 252         TopoDS_Shape aShape = aShapePtr->impl<TopoDS_Shape>();
 253         int aPriority = StdSelect_BRepSelectionTool::GetStandardPriority(aShape, TopAbs_COMPSOLID);
 254         /// It is important to have priority for the shape of comp solid result less than priority
 255         /// for the presentation shape which is a sub-result.
 256         /// Reason is to select the sub-objects before: #1592
 257         aPriority = aPriority - 1;
 258         double aDeflection = Prs3d::GetDeflection(aShape, myDrawer);
 259
 260         Handle(ModuleBase_BRepOwner) aOwner = new ModuleBase_BRepOwner(aShape, aPriority);
 261         StdSelect_BRepSelectionTool::ComputeSensitive(aShape, aOwner, aSelection,
 262           aDeflection, myDrawer->HLRAngle(), 9, 500);
 263
 264         for (aSelection->Init(); aSelection->More(); aSelection->Next()) {
 265           Handle(SelectMgr_EntityOwner) anOwner =
 266             Handle(SelectMgr_EntityOwner)
 267             ::DownCast(aSelection->Sensitive()->BaseSensitive()->OwnerId());
 268           anOwner->Set(this);
 269         }
 270         return;
 271       }
 272     }
 273     //AIS_Shape::ComputeSelection(aSelection, 0);
 274   }
 275   AIS_Shape::ComputeSelection(aSelection, theMode);
 276
 277   if (myAdditionalSelectionPriority > 0) {
 278     for (aSelection->Init(); aSelection->More(); aSelection->Next()) {
 279       Handle(SelectBasics_EntityOwner) aBasicsOwner =
 280         aSelection->Sensitive()->BaseSensitive()->OwnerId();
 281       if (!aBasicsOwner.IsNull())
 282         aBasicsOwner->Set(aBasicsOwner->Priority() + myAdditionalSelectionPriority);
 283     }
 284   }
 285 }
 286
 287 //********************************************************************
 288 bool ModuleBase_ResultPrs::appendVertexSelection(const Handle(SelectMgr_Selection)& aSelection,
 289                                                  const Standard_Integer theMode)
 290 {
 291   if (Shape().ShapeType() == TopAbs_VERTEX) {
 292     const TopoDS_Shape& aShape = Shape();
 293
 294     int aPriority = StdSelect_BRepSelectionTool::GetStandardPriority(aShape, TopAbs_VERTEX);
 295     double aDeflection = Prs3d::GetDeflection(aShape, myDrawer);
 296
 297     /// The cause of this method is the last parameter of BRep owner setting into True.
 298     /// That means that owner should behave like it comes from decomposition. (In this case, OCCT
 299     /// visualizes it in Ring style) OCCT version is 7.0.0 with path for SHAPER module.
 300     Handle(StdSelect_BRepOwner) aOwner = new StdSelect_BRepOwner(aShape, aPriority, Standard_True);
 301     StdSelect_BRepSelectionTool::ComputeSensitive(aShape, aOwner, aSelection,
 302                                                   aDeflection, myDrawer->HLRAngle(), 9, 500);
 303
 304     for (aSelection->Init(); aSelection->More(); aSelection->Next()) {
 305       Handle(SelectMgr_EntityOwner) anOwner =
 306         Handle(SelectMgr_EntityOwner)
 307         ::DownCast(aSelection->Sensitive()->BaseSensitive()->OwnerId());
 308       anOwner->Set(this);
 309     }
 310     return true;
 311   }
 312   return false;
 313 }
 314
 315 //********************************************************************
 316 void ModuleBase_ResultPrs::HilightSelected(const Handle(PrsMgr_PresentationManager3d)& thePM,
 317                                            const SelectMgr_SequenceOfOwner& theOwners)
 318 {
 319   Handle(SelectMgr_EntityOwner) anOwner;
 320   Handle(ModuleBase_BRepOwner) aCompOwner;
 321   for (int i = 1; i <= theOwners.Length(); i++) {
 322     anOwner = theOwners.Value(i);
 323     aCompOwner = Handle(ModuleBase_BRepOwner)::DownCast(anOwner);
 324     if (aCompOwner.IsNull()) {
 325       thePM->Color(anOwner->Selectable(), GetContext()->SelectionStyle());
 326     }
 327     else {
 328       TopoDS_Shape aShape = aCompOwner->Shape();
 329       Handle( Prs3d_Presentation ) aSelectionPrs = GetSelectPresentation( thePM );
 330       aSelectionPrs->Clear();
 331
 332       StdPrs_WFShape::Add(aSelectionPrs, aShape, myDrawer);
 333
 334       aSelectionPrs->SetDisplayPriority(9);
 335       aSelectionPrs->Highlight(GetContext()->SelectionStyle());
 336       aSelectionPrs->Display();
 337       thePM->Color(this, GetContext()->SelectionStyle());
 338     }
 339   }
 340 }
 341
 342 //********************************************************************
 343 void ModuleBase_ResultPrs::HilightOwnerWithColor(const Handle(PrsMgr_PresentationManager3d)& thePM,
 344                                                  const Handle(Graphic3d_HighlightStyle)& theStyle,
 345                                                  const Handle(SelectMgr_EntityOwner)& theOwner)
 346 {
 347   Handle(StdSelect_BRepOwner) aOwner = Handle(StdSelect_BRepOwner)::DownCast(theOwner);
 348   if (aOwner.IsNull())
 349     return;
 350
 351   TopoDS_Shape aShape = aOwner->Shape();
 352   if (!aShape.IsNull()) {
 353     thePM->Color(this, theStyle);
 354
 355     Handle( Prs3d_Presentation ) aHilightPrs = GetHilightPresentation( thePM );
 356     aHilightPrs->Clear();
 357
 358     StdPrs_WFShape::Add(aHilightPrs, aShape, myDrawer);
 359     aHilightPrs->Highlight(theStyle);
 360
 361     if (thePM->IsImmediateModeOn())
 362       thePM->AddToImmediateList(aHilightPrs);
 363   }
 364 }