mirror of
https://git.dev.opencascade.org/repos/occt.git
synced 2025-04-21 10:13:43 +03:00
016e595986
- AIS_InteractiveContext - create new dummy class field to have an empty TopoDS_Shape object. - AIS_Point, PrsMgr_PresentableObject - rename static variables to local function variables. - AIS_Shape, SelectMgr_SelectableObject - remove unused static variables. - Graphic3d_MaterialAspect, V3d_Viewer - make global static variables as constant. - V3d_View - move global variable zRotation to class field. - Move a variable theCurrentSelection as a field of AIS_InteractiveContext and AIS_LocalContext classes. Multiple selection is not used now, so each Context have an own selection. - Move myStructGenId from Graphic3d_StructureManager to Graphic3d_GraphicDriver for identifying the structures in the driver. - Move default variable (no shading light) from static value to the class field of OpenGL_View. Porting note: - Static methods of AIS_Selection is not used now. Methods of AIS_InteractiveContext::InitSelected(),::MoreSelected(),::NextSelected() should be used instead of static methods of AIS_Selection.
670 lines
22 KiB
C++
670 lines
22 KiB
C++
// Created on: 1995-02-20
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// Created by: Mister rmi
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// Copyright (c) 1995-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <Aspect_TypeOfMarker.hxx>
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#include <Bnd_Box.hxx>
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#include <gp_Pnt.hxx>
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#include <Graphic3d_AspectLine3d.hxx>
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#include <Graphic3d_AspectMarker3d.hxx>
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#include <Prs3d_Drawer.hxx>
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#include <Prs3d_LineAspect.hxx>
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#include <Prs3d_PlaneAspect.hxx>
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#include <Prs3d_PointAspect.hxx>
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#include <Prs3d_Presentation.hxx>
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#include <PrsMgr_PresentableObjectPointer.hxx>
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#include <PrsMgr_PresentationManager3d.hxx>
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#include <Select3D_SensitiveEntity.hxx>
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#include <SelectBasics_EntityOwner.hxx>
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#include <SelectMgr_EntityOwner.hxx>
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#include <SelectMgr_IndexedMapOfOwner.hxx>
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#include <SelectMgr_SelectableObject.hxx>
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#include <SelectMgr_Selection.hxx>
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#include <SelectMgr_SelectionManager.hxx>
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#include <Standard_NoSuchObject.hxx>
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#include <Standard_NotImplemented.hxx>
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#include <Standard_Type.hxx>
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#include <TopLoc_Location.hxx>
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IMPLEMENT_STANDARD_RTTIEXT(SelectMgr_SelectableObject,PrsMgr_PresentableObject)
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static Standard_Integer Search (const SelectMgr_SequenceOfSelection& seq,
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const Handle (SelectMgr_Selection)& theSel)
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{
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Standard_Integer ifound=0;
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for (Standard_Integer i=1;i<=seq.Length()&& ifound==0;i++)
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{if(theSel == seq.Value(i)) ifound=i;}
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return ifound;
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}
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//==================================================
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// Function:
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// Purpose :
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//==================================================
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SelectMgr_SelectableObject::SelectMgr_SelectableObject (const PrsMgr_TypeOfPresentation3d aTypeOfPresentation3d)
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: PrsMgr_PresentableObject (aTypeOfPresentation3d),
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myDrawer (new Prs3d_Drawer()),
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myHilightDrawer (new Prs3d_Drawer()),
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myAssemblyOwner (NULL),
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myAutoHilight (Standard_True),
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myGlobalSelMode (0)
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{
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InitDefaultHilightAttributes (myHilightDrawer);
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myHilightDrawer->Link (myDrawer);
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}
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//==================================================
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// Function: Destructor
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// Purpose : Clears all selections of the object
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//==================================================
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SelectMgr_SelectableObject::~SelectMgr_SelectableObject()
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{
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for (Standard_Integer aSelIdx = 1; aSelIdx <= myselections.Length(); ++aSelIdx)
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{
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myselections.Value (aSelIdx)->Clear();
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}
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}
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//==================================================
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// Function: HasSelection
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// Purpose :
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//==================================================
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Standard_Boolean SelectMgr_SelectableObject::HasSelection (const Standard_Integer theMode) const
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{
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for (Standard_Integer aSelIdx = 1; aSelIdx <= myselections.Length(); ++aSelIdx)
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{
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if (((myselections.Value (aSelIdx))->Mode()) == theMode)
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return Standard_True;
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}
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return Standard_False;
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}
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//==================================================
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// Function: RecomputePrimitives
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// Purpose : IMPORTANT: Do not use this method to update
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// selection primitives except implementing custom
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// selection manager! This method does not take
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// into account necessary BVH updates, but may
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// invalidate the pointers it refers to.
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// TO UPDATE SELECTION properly from outside classes,
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// use method UpdateSelection.
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//==================================================
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void SelectMgr_SelectableObject::RecomputePrimitives()
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{
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for (Standard_Integer aSelIdx = 1; aSelIdx <= myselections.Length(); aSelIdx++)
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{
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RecomputePrimitives (myselections.ChangeValue (aSelIdx)->Mode());
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}
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}
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//==================================================
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// Function: RecomputePrimitives
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// Purpose : IMPORTANT: Do not use this method to update
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// selection primitives except implementing custom
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// selection manager! This method does not take
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// into account necessary BVH updates, but may
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// invalidate the pointers it refers to.
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// TO UPDATE SELECTION properly from outside classes,
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// use method UpdateSelection.
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//==================================================
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void SelectMgr_SelectableObject::RecomputePrimitives (const Standard_Integer theMode)
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{
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Handle(PrsMgr_PresentableObject) aPrsParent (Parent());
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Handle(SelectMgr_SelectableObject) aSelParent = Handle(SelectMgr_SelectableObject)::DownCast (aPrsParent);
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for (Standard_Integer aSelIdx =1; aSelIdx <= myselections.Length(); aSelIdx++ )
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{
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if (myselections.Value (aSelIdx)->Mode() == theMode)
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{
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myselections (aSelIdx)->Clear();
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ComputeSelection (myselections (aSelIdx), theMode);
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myselections (aSelIdx)->UpdateStatus (SelectMgr_TOU_Partial);
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myselections (aSelIdx)->UpdateBVHStatus (SelectMgr_TBU_Renew);
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if (theMode == 0 && ! aSelParent.IsNull() && ! aSelParent->GetAssemblyOwner().IsNull())
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{
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SetAssemblyOwner (aSelParent->GetAssemblyOwner(), theMode);
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}
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return;
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}
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}
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Handle(SelectMgr_Selection) aNewSel = new SelectMgr_Selection (theMode);
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ComputeSelection (aNewSel, theMode);
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if (theMode == 0 && ! aSelParent.IsNull() && ! aSelParent->GetAssemblyOwner().IsNull())
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{
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SetAssemblyOwner (aSelParent->GetAssemblyOwner(), theMode);
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}
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aNewSel->UpdateStatus (SelectMgr_TOU_Partial);
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aNewSel->UpdateBVHStatus (SelectMgr_TBU_Add);
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myselections.Append (aNewSel);
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}
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//==================================================
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// Function: ClearSelections
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// Purpose :
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//==================================================
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void SelectMgr_SelectableObject::ClearSelections(const Standard_Boolean update)
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{
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for (Standard_Integer i =1; i<= myselections.Length(); i++ ) {
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myselections.Value(i)->Clear();
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myselections.Value (i)->UpdateBVHStatus (SelectMgr_TBU_Remove);
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if(update)
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{
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myselections.Value(i)->UpdateStatus(SelectMgr_TOU_Full);
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}
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}
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}
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//==================================================
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// Function: Selection
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// Purpose :
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//==================================================
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const Handle(SelectMgr_Selection)& SelectMgr_SelectableObject
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::Selection(const Standard_Integer aMode) const
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{
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Standard_Boolean Found = Standard_False;
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Standard_Integer Rank=0;
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for (Standard_Integer i=1;i<=myselections.Length() && !Found;i++)
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{
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if((myselections.Value(i))->Mode()==aMode){ Found = Standard_True;
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Rank=i;}}
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return myselections.Value(Rank);
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}
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//==================================================
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// Function: AddSelection
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// Purpose :
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//==================================================
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void SelectMgr_SelectableObject
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::AddSelection(const Handle(SelectMgr_Selection)& aSel,
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const Standard_Integer aMode)
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{
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Standard_Boolean isReplaced = Standard_False;
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if(aSel->IsEmpty())
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{
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ComputeSelection(aSel, aMode);
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aSel->UpdateStatus(SelectMgr_TOU_Partial);
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aSel->UpdateBVHStatus (SelectMgr_TBU_Add);
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}
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if (HasSelection(aMode))
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{
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const Handle(SelectMgr_Selection)& temp= Selection(aMode);
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Standard_Integer I = Search(myselections,temp);
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if(I!=0)
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{
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myselections.Remove(I);
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isReplaced = Standard_True;
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}
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}
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myselections.Append(aSel);
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if (isReplaced)
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{
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myselections.Last()->UpdateBVHStatus (SelectMgr_TBU_Renew);
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}
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if (aMode == 0)
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{
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Handle(PrsMgr_PresentableObject) aPrsParent (Parent());
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Handle(SelectMgr_SelectableObject) aSelParent = Handle(SelectMgr_SelectableObject)::DownCast (aPrsParent);
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if (! aSelParent.IsNull() && ! aSelParent->GetAssemblyOwner().IsNull())
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{
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SetAssemblyOwner (aSelParent->GetAssemblyOwner(), aMode);
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}
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}
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}
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//=======================================================================
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//function : ReSetTransformation
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//purpose :
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//=======================================================================
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void SelectMgr_SelectableObject::ResetTransformation()
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{
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for (Init(); More(); Next())
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{
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const Handle(SelectMgr_Selection) & aSel = CurrentSelection();
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for (aSel->Init(); aSel->More(); aSel->Next())
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{
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aSel->UpdateStatus(SelectMgr_TOU_Partial);
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aSel->UpdateBVHStatus (SelectMgr_TBU_None);
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}
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}
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PrsMgr_PresentableObject::ResetTransformation();
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}
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//=======================================================================
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//function : UpdateTransformation
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//purpose :
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//=======================================================================
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void SelectMgr_SelectableObject::UpdateTransformation()
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{
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for (Init(); More(); Next())
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{
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CurrentSelection()->UpdateStatus (SelectMgr_TOU_Partial);
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}
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PrsMgr_PresentableObject::UpdateTransformation();
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}
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//=======================================================================
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//function : UpdateTransformation
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//purpose :
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//=======================================================================
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void SelectMgr_SelectableObject::UpdateTransformations(const Handle(SelectMgr_Selection)& Sel)
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{
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TopLoc_Location aSelfLocation (Transformation());
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Handle(Select3D_SensitiveEntity) SE;
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if(aSelfLocation.IsIdentity()) return;
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for(Sel->Init();Sel->More();Sel->Next()){
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SE = Handle(Select3D_SensitiveEntity)::DownCast (Sel->Sensitive()->BaseSensitive());
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if(!SE.IsNull()){
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const Handle(SelectBasics_EntityOwner)& aEOwner = SE->OwnerId();
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Handle(SelectMgr_EntityOwner) aMgrEO =
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Handle(SelectMgr_EntityOwner)::DownCast (aEOwner);
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if (!aMgrEO.IsNull())
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aMgrEO->SetLocation (aSelfLocation);
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}
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}
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}
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//=======================================================================
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//function : HilightSelected
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//purpose :
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//=======================================================================
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void SelectMgr_SelectableObject::HilightSelected
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( const Handle(PrsMgr_PresentationManager3d)&,
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const SelectMgr_SequenceOfOwner&)
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{
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Standard_NotImplemented::Raise ("SelectMgr_SelectableObject::HilightSelected");
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}
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//=======================================================================
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//function : ClearSelected
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//purpose :
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//=======================================================================
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void SelectMgr_SelectableObject::ClearSelected ()
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{
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if( !mySelectionPrs.IsNull() )
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mySelectionPrs->Clear();
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}
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//=======================================================================
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//function : HilightOwnerWithColor
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//purpose :
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//=======================================================================
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void SelectMgr_SelectableObject::HilightOwnerWithColor
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( const Handle(PrsMgr_PresentationManager3d)&,
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const Quantity_NameOfColor,
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const Handle(SelectMgr_EntityOwner)&)
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{
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Standard_NotImplemented::Raise ("SelectMgr_SelectableObject::HilightOwnerWithColor");
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}
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//=======================================================================
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//function : MaxFaceNodes
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//purpose :
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//=======================================================================
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Standard_Boolean SelectMgr_SelectableObject::IsAutoHilight () const
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{
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return myAutoHilight;
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}
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//=======================================================================
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//function : MaxFaceNodes
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//purpose :
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//=======================================================================
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void SelectMgr_SelectableObject::SetAutoHilight ( const Standard_Boolean newAutoHilight )
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{
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myAutoHilight = newAutoHilight;
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}
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//=======================================================================
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//function : GetHilightPresentation
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//purpose :
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//=======================================================================
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Handle(Prs3d_Presentation) SelectMgr_SelectableObject::GetHilightPresentation( const Handle(PrsMgr_PresentationManager3d)& TheMgr )
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{
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if( myHilightPrs.IsNull() && !TheMgr.IsNull() )
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{
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myHilightPrs = new Prs3d_Presentation( TheMgr->StructureManager() );
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myHilightPrs->SetTransformPersistence( GetTransformPersistenceMode(),
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GetTransformPersistencePoint() );
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}
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return myHilightPrs;
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}
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//=======================================================================
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//function : GetSelectPresentation
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//purpose :
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//=======================================================================
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Handle(Prs3d_Presentation) SelectMgr_SelectableObject::GetSelectPresentation( const Handle(PrsMgr_PresentationManager3d)& TheMgr )
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{
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if( mySelectionPrs.IsNull() && !TheMgr.IsNull() ) {
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mySelectionPrs = new Prs3d_Presentation( TheMgr->StructureManager() );
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mySelectionPrs->SetTransformPersistence( GetTransformPersistenceMode(),
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GetTransformPersistencePoint() );
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}
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return mySelectionPrs;
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}
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//=======================================================================
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//function : SetZLayer
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//purpose :
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//=======================================================================
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void SelectMgr_SelectableObject::SetZLayer (const Graphic3d_ZLayerId theLayerId)
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{
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// update own presentations
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PrsMgr_PresentableObject::SetZLayer (theLayerId);
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// update selection presentations
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if (!mySelectionPrs.IsNull())
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mySelectionPrs->SetZLayer (theLayerId);
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if (!myHilightPrs.IsNull())
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myHilightPrs->SetZLayer (theLayerId);
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// update all entity owner presentations
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for (Init (); More () ;Next ())
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{
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const Handle(SelectMgr_Selection)& aSel = CurrentSelection();
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for (aSel->Init (); aSel->More (); aSel->Next ())
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{
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Handle(Select3D_SensitiveEntity) aEntity =
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Handle(Select3D_SensitiveEntity)::DownCast (aSel->Sensitive()->BaseSensitive());
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if (!aEntity.IsNull())
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{
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Handle(SelectMgr_EntityOwner) aOwner =
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Handle(SelectMgr_EntityOwner)::DownCast (aEntity->OwnerId());
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if (!aOwner.IsNull())
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aOwner->SetZLayer (theLayerId);
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}
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}
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}
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}
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//=======================================================================
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//function : UpdateSelection
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//purpose : Sets update status FULL to selections of the object. Must be
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// used as the only method of UpdateSelection from outer classes
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// to prevent BVH structures from being outdated.
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//=======================================================================
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void SelectMgr_SelectableObject::UpdateSelection (const Standard_Integer theMode)
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{
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if (theMode == -1)
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{
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for (Init(); More(); Next())
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{
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const Handle(SelectMgr_Selection)& aSel = CurrentSelection();
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aSel->UpdateStatus (SelectMgr_TOU_Full);
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}
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return;
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}
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for (Init(); More(); Next())
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{
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if (CurrentSelection()->Mode() == theMode)
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{
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CurrentSelection()->UpdateStatus (SelectMgr_TOU_Full);
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return;
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}
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}
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}
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//=======================================================================
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//function : SetAttributes
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//purpose :
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//=======================================================================
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void SelectMgr_SelectableObject::SetAttributes (const Handle(Prs3d_Drawer)& theDrawer)
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{
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myDrawer = theDrawer;
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}
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//=======================================================================
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//function : UnsetAttributes
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//purpose :
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//=======================================================================
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void SelectMgr_SelectableObject::UnsetAttributes()
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{
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Handle(Prs3d_Drawer) aDrawer = new Prs3d_Drawer();
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if (myDrawer->HasLink())
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{
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aDrawer->Link (myDrawer->Link());
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}
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myDrawer = aDrawer;
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}
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//=======================================================================
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//function : SetHilightAttributes
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//purpose :
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//=======================================================================
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void SelectMgr_SelectableObject::SetHilightAttributes (const Handle(Prs3d_Drawer)& theDrawer)
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{
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myHilightDrawer = theDrawer;
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}
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//=======================================================================
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//function : UnsetAttributes
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//purpose :
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//=======================================================================
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void SelectMgr_SelectableObject::UnsetHilightAttributes()
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{
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Handle(Prs3d_Drawer) aDrawer = new Prs3d_Drawer();
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InitDefaultHilightAttributes (aDrawer);
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aDrawer->Link (myDrawer);
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myHilightDrawer = aDrawer;
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}
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//=======================================================================
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//function : InitDefaultHilightAttributes
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//purpose :
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//=======================================================================
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void SelectMgr_SelectableObject::InitDefaultHilightAttributes (const Handle(Prs3d_Drawer)& theDrawer)
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{
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if (!theDrawer->HasOwnPointAspect())
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{
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theDrawer->SetPointAspect (new Prs3d_PointAspect (Aspect_TOM_POINT, Quantity_NOC_BLACK, 1.0));
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if (theDrawer->HasLink())
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{
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*theDrawer->PointAspect()->Aspect() = *theDrawer->Link()->PointAspect()->Aspect();
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}
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}
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if (!theDrawer->HasOwnLineAspect())
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{
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theDrawer->SetLineAspect (new Prs3d_LineAspect (Quantity_NOC_BLACK, Aspect_TOL_SOLID, 1.0));
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if (theDrawer->HasLink())
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{
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*theDrawer->LineAspect()->Aspect() = *theDrawer->Link()->LineAspect()->Aspect();
|
|
}
|
|
}
|
|
if (!theDrawer->HasOwnWireAspect())
|
|
{
|
|
theDrawer->SetWireAspect (new Prs3d_LineAspect (Quantity_NOC_BLACK, Aspect_TOL_SOLID, 1.0));
|
|
if (theDrawer->HasLink())
|
|
{
|
|
*theDrawer->WireAspect()->Aspect() = *theDrawer->Link()->WireAspect()->Aspect();
|
|
}
|
|
}
|
|
if (!theDrawer->HasOwnPlaneAspect())
|
|
{
|
|
theDrawer->SetPlaneAspect (new Prs3d_PlaneAspect());
|
|
if (theDrawer->HasLink())
|
|
{
|
|
*theDrawer->PlaneAspect()->EdgesAspect() = *theDrawer->Link()->PlaneAspect()->EdgesAspect();
|
|
}
|
|
}
|
|
if (!theDrawer->HasOwnFreeBoundaryAspect())
|
|
{
|
|
theDrawer->SetFreeBoundaryAspect (new Prs3d_LineAspect (Quantity_NOC_BLACK, Aspect_TOL_SOLID, 1.0));
|
|
if (theDrawer->HasLink())
|
|
{
|
|
*theDrawer->FreeBoundaryAspect()->Aspect() = *theDrawer->Link()->FreeBoundaryAspect()->Aspect();
|
|
}
|
|
}
|
|
if (!theDrawer->HasOwnUnFreeBoundaryAspect())
|
|
{
|
|
theDrawer->SetUnFreeBoundaryAspect (new Prs3d_LineAspect (Quantity_NOC_BLACK, Aspect_TOL_SOLID, 1.0));
|
|
if (theDrawer->HasLink())
|
|
{
|
|
*theDrawer->UnFreeBoundaryAspect()->Aspect() = *theDrawer->Link()->UnFreeBoundaryAspect()->Aspect();
|
|
}
|
|
}
|
|
|
|
theDrawer->WireAspect()->SetWidth(2.);
|
|
theDrawer->LineAspect()->SetWidth(2.);
|
|
theDrawer->PlaneAspect()->EdgesAspect()->SetWidth(2.);
|
|
theDrawer->FreeBoundaryAspect()->SetWidth(2.);
|
|
theDrawer->UnFreeBoundaryAspect()->SetWidth(2.);
|
|
theDrawer->PointAspect()->SetTypeOfMarker(Aspect_TOM_O_POINT);
|
|
theDrawer->PointAspect()->SetScale(2.);
|
|
|
|
// By default the hilight drawer has absolute type of deflection.
|
|
// It is supposed that absolute deflection is taken from Link().
|
|
// It is necessary to use for all sub-shapes identical coefficient
|
|
// computed in ::Compute() call for whole shape and stored in base drawer.
|
|
theDrawer->SetTypeOfDeflection (Aspect_TOD_ABSOLUTE);
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : SetAssemblyOwner
|
|
//purpose : Sets common entity owner for assembly sensitive object entities
|
|
//=======================================================================
|
|
void SelectMgr_SelectableObject::SetAssemblyOwner (const Handle(SelectMgr_EntityOwner)& theOwner,
|
|
const Standard_Integer theMode)
|
|
{
|
|
if (theMode == -1)
|
|
{
|
|
for (Standard_Integer aModeIter = 1; aModeIter <= myselections.Length(); ++aModeIter)
|
|
{
|
|
Handle(SelectMgr_Selection)& aSel = myselections.ChangeValue (aModeIter);
|
|
for (aSel->Init(); aSel->More(); aSel->Next())
|
|
{
|
|
aSel->Sensitive()->BaseSensitive()->Set (theOwner);
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
if (!HasSelection (theMode))
|
|
return;
|
|
|
|
for (Standard_Integer aModeIter = 1; aModeIter <= myselections.Length(); ++aModeIter)
|
|
{
|
|
if (myselections.Value (aModeIter)->Mode() == theMode)
|
|
{
|
|
Handle(SelectMgr_Selection)& aSel = myselections.ChangeValue (aModeIter);
|
|
for (aSel->Init(); aSel->More(); aSel->Next())
|
|
{
|
|
aSel->Sensitive()->BaseSensitive()->Set (theOwner);
|
|
}
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : GetAssemblyOwner
|
|
//purpose : Returns common entity owner if it is an assembly
|
|
//=======================================================================
|
|
const Handle(SelectMgr_EntityOwner)& SelectMgr_SelectableObject::GetAssemblyOwner() const
|
|
{
|
|
return myAssemblyOwner;
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : BndBoxOfSelected
|
|
//purpose : Returns a bounding box of sensitive entities with the owners given
|
|
// if they are a part of activated selection
|
|
//=======================================================================
|
|
Bnd_Box SelectMgr_SelectableObject::BndBoxOfSelected (Handle(SelectMgr_IndexedMapOfOwner)& theOwners)
|
|
{
|
|
Bnd_Box aBnd;
|
|
|
|
if (theOwners->IsEmpty())
|
|
return aBnd;
|
|
|
|
for (Init(); More(); Next())
|
|
{
|
|
const Handle(SelectMgr_Selection)& aSel = CurrentSelection();
|
|
if (aSel->GetSelectionState() != SelectMgr_SOS_Activated)
|
|
continue;
|
|
|
|
for (aSel->Init(); aSel->More(); aSel->Next())
|
|
{
|
|
const Handle(SelectMgr_EntityOwner) anOwner =
|
|
Handle(SelectMgr_EntityOwner)::DownCast (aSel->Sensitive()->BaseSensitive()->OwnerId());
|
|
if (theOwners->Contains (anOwner))
|
|
{
|
|
Select3D_BndBox3d aBox = aSel->Sensitive()->BaseSensitive()->BoundingBox();
|
|
Bnd_Box aTmpBnd;
|
|
aTmpBnd.Update (aBox.CornerMin().x(), aBox.CornerMin().y(), aBox.CornerMin().z(),
|
|
aBox.CornerMax().x(), aBox.CornerMax().y(), aBox.CornerMax().z());
|
|
aBnd.Add (aTmpBnd);
|
|
|
|
Standard_Integer anOwnerIdx = theOwners->FindIndex (anOwner);
|
|
if (theOwners->Size() != anOwnerIdx)
|
|
{
|
|
theOwners->Swap (anOwnerIdx, theOwners->Size());
|
|
}
|
|
theOwners->RemoveLast();
|
|
|
|
if (theOwners->IsEmpty())
|
|
return aBnd;
|
|
}
|
|
}
|
|
}
|
|
|
|
return aBnd;
|
|
}
|
|
|
|
//=======================================================================
|
|
//function : GlobalSelOwner
|
|
//purpose : Returns entity owner corresponding to selection of the object as a whole
|
|
//=======================================================================
|
|
Handle(SelectMgr_EntityOwner) SelectMgr_SelectableObject::GlobalSelOwner() const
|
|
{
|
|
Handle(SelectMgr_EntityOwner) anOwner;
|
|
|
|
if (!HasSelection (myGlobalSelMode))
|
|
return anOwner;
|
|
|
|
const Handle(SelectMgr_Selection)& aGlobalSel = Selection (myGlobalSelMode);
|
|
if (aGlobalSel->IsEmpty())
|
|
return anOwner;
|
|
|
|
aGlobalSel->Init();
|
|
anOwner =
|
|
Handle(SelectMgr_EntityOwner)::DownCast (aGlobalSel->Sensitive()->BaseSensitive()->OwnerId());
|
|
|
|
return anOwner;
|
|
}
|