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occt/src/AIS/AIS_ConnectedInteractive.cxx

397 lines
12 KiB
C++

// Created on: 1997-01-08
// Created by: Robert COUBLANC
// Copyright (c) 1997-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#include <Standard_NotImplemented.hxx>
#include <AIS_ConnectedInteractive.ixx>
#include <SelectMgr_EntityOwner.hxx>
#include <Select3D_SensitiveEntity.hxx>
#include <Geom_Transformation.hxx>
#include <PrsMgr_ModedPresentation.hxx>
#include <PrsMgr_Presentation.hxx>
#include <StdSelect_BRepOwner.hxx>
#include <StdSelect.hxx>
#include <TopTools_IndexedMapOfShape.hxx>
#include <TopTools_OrientedShapeMapHasher.hxx>
#include <AIS_InteractiveContext.hxx>
#include <BRepTools.hxx>
#include <Precision.hxx>
#include <AIS_Drawer.hxx>
#include <TopAbs_ShapeEnum.hxx>
#include <Standard_ProgramError.hxx>
#include <StdPrs_WFDeflectionShape.hxx>
#include <StdPrs_HLRPolyShape.hxx>
#include <Prs3d_Drawer.hxx>
#include <AIS_Shape.hxx>
#include <NCollection_DataMap.hxx>
//=======================================================================
//function : AIS_ConnectedInteractive
//purpose :
//=======================================================================
AIS_ConnectedInteractive::AIS_ConnectedInteractive(const PrsMgr_TypeOfPresentation3d aTypeOfPresentation3d):
AIS_InteractiveObject(aTypeOfPresentation3d)
{
SetHilightMode(0);
}
//=======================================================================
//function : Type
//purpose :
//=======================================================================
AIS_KindOfInteractive AIS_ConnectedInteractive::Type() const
{
return AIS_KOI_Object;
}
Standard_Integer AIS_ConnectedInteractive::Signature() const
{
return 0;
}
//=======================================================================
//function : Connect
//purpose :
//=======================================================================
void AIS_ConnectedInteractive::Connect (const Handle(AIS_InteractiveObject)& theAnotherObj)
{
if (myReference == theAnotherObj) return;
Handle(AIS_ConnectedInteractive) aConnected = Handle(AIS_ConnectedInteractive)::DownCast (theAnotherObj);
if (!aConnected.IsNull())
{
myReference = aConnected->myReference;
}
else if (theAnotherObj->HasOwnPresentations())
{
myReference = theAnotherObj;
}
else
{
Standard_ProgramError::Raise ("AIS_ConnectedInteractive::Connect() - object without own presentation can not be connected");
}
if (!myReference.IsNull())
{
myTypeOfPresentation3d = myReference->TypeOfPresentation3d();
}
}
//=======================================================================
//function : Connect
//purpose :
//=======================================================================
void AIS_ConnectedInteractive::Connect (const Handle(AIS_InteractiveObject)& theAnotherObj,
const gp_Trsf& theLocation)
{
Connect (theAnotherObj);
SetLocalTransformation (theLocation);
}
//=======================================================================
//function : Disconnect
//purpose :
//=======================================================================
void AIS_ConnectedInteractive::Disconnect()
{
for(Standard_Integer aPrsIter = 1; aPrsIter <= myPresentations.Length(); ++aPrsIter)
{
const Handle(PrsMgr_Presentation)& aPrs = myPresentations (aPrsIter).Presentation();
if (!aPrs.IsNull())
{
aPrs->Presentation()->DisconnectAll (Graphic3d_TOC_DESCENDANT);
}
}
}
//=======================================================================
//function : Compute
//purpose :
//=======================================================================
void AIS_ConnectedInteractive::Compute (const Handle(PrsMgr_PresentationManager3d)& thePrsMgr,
const Handle(Prs3d_Presentation)& thePrs,
const Standard_Integer theMode)
{
if (HasConnection())
{
thePrs->Clear (Standard_False);
thePrs->RemoveAll();
if (!myReference->HasInteractiveContext())
{
myReference->SetContext (GetContext());
}
thePrsMgr->Connect (this, myReference, theMode, theMode);
if (thePrsMgr->Presentation (myReference, theMode)->MustBeUpdated())
{
thePrsMgr->Update (myReference, theMode);
}
}
if (!thePrs.IsNull())
{
thePrs->ReCompute();
}
}
//=======================================================================
//function : Compute
//purpose :
//=======================================================================
void AIS_ConnectedInteractive::Compute (const Handle(Prs3d_Projector)& theProjector,
const Handle(Geom_Transformation)& theTransformation,
const Handle(Prs3d_Presentation)& thePresentation)
{
updateShape (Standard_False);
if (myShape.IsNull())
{
return;
}
const TopLoc_Location& aLocation = myShape.Location();
TopoDS_Shape aShape = myShape.Located (TopLoc_Location (theTransformation->Trsf()) * aLocation);
Compute (theProjector, thePresentation, aShape);
}
//=======================================================================
//function : Compute
//purpose :
//=======================================================================
void AIS_ConnectedInteractive::Compute(const Handle(Prs3d_Projector)& aProjector, const Handle(Prs3d_Presentation)& aPresentation)
{
updateShape (Standard_True);
Compute (aProjector, aPresentation, myShape);
}
//=======================================================================
//function : Compute
//purpose :
//=======================================================================
void AIS_ConnectedInteractive::Compute (const Handle(Prs3d_Projector)& theProjector,
const Handle(Prs3d_Presentation)& thePresentation,
const TopoDS_Shape& theShape)
{
if (myShape.IsNull())
{
return;
}
switch (theShape.ShapeType())
{
case TopAbs_VERTEX:
case TopAbs_EDGE:
case TopAbs_WIRE:
{
thePresentation->SetDisplayPriority (4);
StdPrs_WFDeflectionShape::Add (thePresentation, theShape, myDrawer);
break;
}
default:
{
Handle(Prs3d_Drawer) aDefaultDrawer = GetContext()->DefaultDrawer();
if (aDefaultDrawer->DrawHiddenLine())
{
myDrawer->EnableDrawHiddenLine();
}
else
{
myDrawer->DisableDrawHiddenLine();
}
Aspect_TypeOfDeflection aPrevDeflection = aDefaultDrawer->TypeOfDeflection();
aDefaultDrawer->SetTypeOfDeflection(Aspect_TOD_RELATIVE);
// process HLRAngle and HLRDeviationCoefficient()
Standard_Real aPrevAngle = myDrawer->HLRAngle();
Standard_Real aNewAngle = aDefaultDrawer->HLRAngle();
if (Abs (aNewAngle - aPrevAngle) > Precision::Angular())
{
BRepTools::Clean (theShape);
}
myDrawer->SetHLRAngle (aNewAngle);
myDrawer->SetHLRDeviationCoefficient (aDefaultDrawer->HLRDeviationCoefficient());
StdPrs_HLRPolyShape::Add (thePresentation, theShape, myDrawer, theProjector);
aDefaultDrawer->SetTypeOfDeflection (aPrevDeflection);
}
}
}
//=======================================================================
//function : updateShape
//purpose :
//=======================================================================
void AIS_ConnectedInteractive::updateShape (const Standard_Boolean isWithLocation)
{
Handle(AIS_Shape) anAisShape = Handle(AIS_Shape)::DownCast (myReference);
if (anAisShape.IsNull())
{
return;
}
TopoDS_Shape aShape = anAisShape->Shape();
if (aShape.IsNull())
{
return;
}
if(!isWithLocation)
{
myShape = aShape;
}
else
{
myShape = aShape.Moved (TopLoc_Location (Transformation()));
}
}
//=======================================================================
//function : ComputeSelection
//purpose :
//=======================================================================
void AIS_ConnectedInteractive::ComputeSelection (const Handle(SelectMgr_Selection)& theSelection,
const Standard_Integer theMode)
{
if (!HasConnection())
{
return;
}
if (theMode != 0 && myReference->AcceptShapeDecomposition())
{
computeSubShapeSelection (theSelection, theMode);
return;
}
if (!myReference->HasSelection (theMode))
{
myReference->UpdateSelection (theMode);
}
const Handle(SelectMgr_Selection)& TheRefSel = myReference->Selection (theMode);
Handle(SelectMgr_EntityOwner) anOwner = new SelectMgr_EntityOwner (this);
Handle(Select3D_SensitiveEntity) aSensitive, aNewSensitive;
if (TheRefSel->IsEmpty())
{
myReference->UpdateSelection (theMode);
}
for (TheRefSel->Init(); TheRefSel->More(); TheRefSel->Next())
{
aSensitive = Handle(Select3D_SensitiveEntity)::DownCast (TheRefSel->Sensitive());
if (!aSensitive.IsNull())
{
TopLoc_Location aLocation (Transformation());
// Get the copy of SE3D
aNewSensitive = aSensitive->GetConnected (aLocation);
aNewSensitive->Set(anOwner);
// In case if SE3D caches some location-dependent data
// that must be updated after setting OWN
aNewSensitive->SetLocation (aLocation);
theSelection->Add (aNewSensitive);
}
}
}
//=======================================================================
//function : ComputeSubShapeSelection
//purpose :
//=======================================================================
void AIS_ConnectedInteractive::computeSubShapeSelection (const Handle(SelectMgr_Selection)& theSelection,
const Standard_Integer theMode)
{
typedef NCollection_List<Handle(Select3D_SensitiveEntity)> SensitiveList;
typedef NCollection_DataMap<TopoDS_Shape, SensitiveList, TopTools_OrientedShapeMapHasher>
Shapes2EntitiesMap;
if (!myReference->HasSelection (theMode))
myReference->UpdateSelection (theMode);
const Handle(SelectMgr_Selection)& aRefSel = myReference->Selection (theMode);
if (aRefSel->IsEmpty() || aRefSel->UpdateStatus() == SelectMgr_TOU_Full)
{
myReference->UpdateSelection (theMode);
}
Handle(StdSelect_BRepOwner) anOwner;
TopLoc_Location aDummyLoc;
Handle(Select3D_SensitiveEntity) aSE, aNewSE;
Shapes2EntitiesMap aShapes2EntitiesMap;
SensitiveList aSEList;
TopoDS_Shape aSubShape;
// Fill in the map of subshapes and corresponding
// sensitive entities associated with aMode
for (aRefSel->Init(); aRefSel->More(); aRefSel->Next())
{
aSE = Handle(Select3D_SensitiveEntity)::DownCast (aRefSel->Sensitive());
if(!aSE.IsNull())
{
anOwner = Handle(StdSelect_BRepOwner)::DownCast (aSE->OwnerId());
if(!anOwner.IsNull())
{
aSubShape = anOwner->Shape();
if(!aShapes2EntitiesMap.IsBound (aSubShape))
{
aShapes2EntitiesMap.Bind (aSubShape, aSEList);
}
aShapes2EntitiesMap (aSubShape).Append (aSE);
}
}
}
// Fill in selection from aShapes2EntitiesMap
for (Shapes2EntitiesMap::Iterator aMapIt (aShapes2EntitiesMap); aMapIt.More(); aMapIt.Next())
{
aSEList = aMapIt.Value();
anOwner = new StdSelect_BRepOwner (aMapIt.Key(),
this,
aSEList.First()->OwnerId()->Priority(),
Standard_True);
for (SensitiveList::Iterator aListIt (aSEList); aListIt.More(); aListIt.Next())
{
aSE = aListIt.Value();
TopLoc_Location aLocation (Transformation());
aNewSE = aSE->GetConnected (aDummyLoc);
aNewSE->Set (anOwner);
// In case if aSE caches some location-dependent data
// that must be updated after setting anOwner
aNewSE->SetLocation (aLocation);
theSelection->Add (aNewSE);
}
}
StdSelect::SetDrawerForBRepOwner (theSelection, myDrawer);
}