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108 lines
3.5 KiB
C++
108 lines
3.5 KiB
C++
// 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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// last modified by SRN 01/08/2000
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#include <AIS_InteractiveContext.hxx>
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#include <AIS_InteractiveObject.hxx>
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#include <AIS_Shape.hxx>
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#include <PrsMgr_PresentationManager.hxx>
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#include <Standard_Type.hxx>
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#include <TDataStd.hxx>
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#include <TDF_Label.hxx>
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#include <TNaming_Tool.hxx>
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#include <TopLoc_Location.hxx>
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#include <TPrsStd_DriverTable.hxx>
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#include <TPrsStd_NamedShapeDriver.hxx>
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IMPLEMENT_STANDARD_RTTIEXT(TPrsStd_NamedShapeDriver,TPrsStd_Driver)
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#undef OPTIM_UPDATE // If this variable is defined there will be done
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// more otimized update of AIS_Shape. If an object was
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// erased in the viewer and it's location was changed
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// but topological data wasn't then when displayed only
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// the object's presentation will be moved to new location
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// without recompute. The shape in AIS_Shape will
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// be the previous one with the old location.
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// NOTE! After selection of sub shapes of the object
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// they will have THE OLD LOCATION and it has to be
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// compared with location of AIS_Shape that will contain
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// the right location of shape.
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//=======================================================================
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//function :
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//purpose :
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//=======================================================================
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TPrsStd_NamedShapeDriver::TPrsStd_NamedShapeDriver()
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{
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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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Standard_Boolean TPrsStd_NamedShapeDriver::Update (const TDF_Label& aLabel,
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Handle(AIS_InteractiveObject)& AIS)
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{
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Handle(TNaming_NamedShape) NS;
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if( !aLabel.FindAttribute(TNaming_NamedShape::GetID(), NS) ) {
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return Standard_False;
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}
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//TopoDS_Shape S = TNaming_Tool::CurrentShape (NS);
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TopoDS_Shape S = TNaming_Tool::GetShape (NS);
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if(S.IsNull()){
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return Standard_False;
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}
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TopLoc_Location L = S.Location();
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Handle(AIS_Shape) AISShape;
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if (AIS.IsNull()) AISShape = new AIS_Shape(S);
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else {
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AISShape = Handle(AIS_Shape)::DownCast(AIS);
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if (AISShape.IsNull()) {
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AISShape = new AIS_Shape(S);
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}
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else {
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TopoDS_Shape oldShape = AISShape->Shape();
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if(oldShape != S) {
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AISShape->ResetTransformation();
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#ifdef OPTIM_UPDATE
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Handle(AIS_InteractiveContext) ctx = AISShape->GetContext();
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if(S.IsPartner(oldShape) && (!ctx.IsNull() && !ctx->IsDisplayed(AISShape))) {
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if(L != oldShape.Location()) ctx->SetLocation(AISShape, L);
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}
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else {
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AISShape->Set(S);
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AISShape->UpdateSelection();
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AISShape->SetToUpdate();
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}
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#else
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AISShape->Set(S);
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AISShape->UpdateSelection();
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AISShape->SetToUpdate();
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#endif
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}
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}
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AISShape->SetInfiniteState(S.Infinite());
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}
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AIS = AISShape;
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return Standard_True;
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}
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