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139 lines
4.3 KiB
C++
139 lines
4.3 KiB
C++
// Created on: 1995-02-16
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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 <Standard_NullObject.hxx>
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#include <SelectMgr_Selection.hxx>
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//==================================================
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// Function: SelectMgr_Selection
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// Purpose :
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//==================================================
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SelectMgr_Selection::SelectMgr_Selection (const Standard_Integer theModeIdx)
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: myMode (theModeIdx),
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mySelectionState (SelectMgr_SOS_Unknown),
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myBVHUpdateStatus (SelectMgr_TBU_None),
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mySensFactor (2.0)
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{}
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SelectMgr_Selection::~SelectMgr_Selection()
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{
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Destroy();
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}
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//==================================================
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// Function: Destroy
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// Purpose :
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//==================================================
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void SelectMgr_Selection::Destroy()
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{
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for (Standard_Integer anEntityIdx = 0; anEntityIdx < myEntities.Size(); ++anEntityIdx)
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{
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Handle(SelectMgr_SensitiveEntity)& anEntity = myEntities.ChangeValue (anEntityIdx);
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anEntity->BaseSensitive()->Set (NULL);
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}
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mySensFactor = 2.0;
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}
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//==================================================
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// Function: ADD
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// Purpose :
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//==================================================
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void SelectMgr_Selection::Add (const Handle(SelectBasics_SensitiveEntity)& theSensitive)
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{
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// if input is null:
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// in debug mode raise exception
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Standard_NullObject_Raise_if
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(theSensitive.IsNull(), "Null sensitive entity is added to the selection");
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// in release mode do not add
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if (!theSensitive.IsNull())
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{
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Handle(SelectMgr_SensitiveEntity) anEntity = new SelectMgr_SensitiveEntity (theSensitive);
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myEntities.Append (anEntity);
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if (mySelectionState == SelectMgr_SOS_Activated &&
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!anEntity->IsActiveForSelection())
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{
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anEntity->SetActiveForSelection();
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}
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mySensFactor = Max (mySensFactor,
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anEntity->BaseSensitive()->SensitivityFactor());
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}
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}
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//==================================================
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// Function: Clear
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// Purpose :
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//==================================================
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void SelectMgr_Selection::Clear()
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{
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for (Standard_Integer anIdx = 0; anIdx < myEntities.Size(); ++anIdx)
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{
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Handle(SelectMgr_SensitiveEntity)& anEntity = myEntities.ChangeValue (anIdx);
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anEntity->Clear();
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}
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myEntities.Clear();
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}
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//==================================================
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// Function: IsEmpty
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// Purpose :
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//==================================================
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Standard_Boolean SelectMgr_Selection::IsEmpty() const
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{
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return myEntities.IsEmpty();
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}
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//==================================================
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// function: GetEntityById
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// purpose : Returns sensitive entity stored by
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// index theIdx in entites vector
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//==================================================
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Handle(SelectMgr_SensitiveEntity)& SelectMgr_Selection::GetEntityById (const Standard_Integer theIdx)
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{
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return myEntities.ChangeValue (theIdx);
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}
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//==================================================
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// function: GetSelectionState
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// purpose : Returns status of selection
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//==================================================
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const SelectMgr_StateOfSelection SelectMgr_Selection::GetSelectionState() const
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{
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return mySelectionState;
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}
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//==================================================
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// function: SetSelectionState
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// purpose : Sets status of selection
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//==================================================
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void SelectMgr_Selection::SetSelectionState (const SelectMgr_StateOfSelection theState) const
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{
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mySelectionState = theState;
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}
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//==================================================
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// function: Sensitivity
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// purpose : Returns sensitivity of the selection
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//==================================================
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Standard_Real SelectMgr_Selection::Sensitivity() const
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{
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return mySensFactor;
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}
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