-#include <PrsMgr_Presentation.ixx>
+// Copyright (c) 1998-1999 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.
-PrsMgr_Presentation::PrsMgr_Presentation
-(const Handle(PrsMgr_PresentationManager)& aPresentationManager)
-:myPresentationManager(aPresentationManager),myMustBeUpdated(Standard_False) {}
+#include <PrsMgr_Presentation.hxx>
-void PrsMgr_Presentation::Destroy () {
+#include <Graphic3d_DataStructureManager.hxx>
+#include <Precision.hxx>
+#include <Prs3d_Drawer.hxx>
+#include <PrsMgr_PresentableObject.hxx>
+#include <PrsMgr_PresentationManager.hxx>
+#include <Quantity_Color.hxx>
+#include <Graphic3d_CView.hxx>
+
+IMPLEMENT_STANDARD_RTTIEXT(PrsMgr_Presentation, Graphic3d_Structure)
+
+namespace
+{
+ enum BeforeHighlightState
+ {
+ State_Empty,
+ State_Hidden,
+ State_Visible
+ };
+
+ static BeforeHighlightState StructureState (const Graphic3d_Structure* theStructure)
+ {
+ return !theStructure->IsDisplayed() ?
+ State_Empty : !theStructure->IsVisible() ?
+ State_Hidden : State_Visible;
+ }
+}
+
+//=======================================================================
+//function : PrsMgr_Presentation
+//purpose :
+//=======================================================================
+PrsMgr_Presentation::PrsMgr_Presentation (const Handle(PrsMgr_PresentationManager3d)& thePrsMgr,
+ const Handle(PrsMgr_PresentableObject)& thePrsObject,
+ const Standard_Integer theMode)
+: Graphic3d_Structure (thePrsMgr->StructureManager()),
+ myPresentationManager (thePrsMgr),
+ myPresentableObject (thePrsObject.get()),
+ myBeforeHighlightState (State_Empty),
+ myMode (theMode),
+ myMustBeUpdated (Standard_False)
+{
+ if (thePrsObject->TypeOfPresentation3d() == PrsMgr_TOP_ProjectorDependant)
+ {
+ SetVisual (Graphic3d_TOS_COMPUTED);
+ }
+ SetOwner (myPresentableObject);
+ SetMutable (myPresentableObject->IsMutable());
+}
+
+//=======================================================================
+//function : Display
+//purpose :
+//=======================================================================
+void PrsMgr_Presentation::Display()
+{
+ display (Standard_False);
+ myBeforeHighlightState = State_Visible;
+}
+
+//=======================================================================
+//function : display
+//purpose :
+//=======================================================================
+void PrsMgr_Presentation::display (const Standard_Boolean theIsHighlight)
+{
+ if (!base_type::IsDisplayed())
+ {
+ base_type::SetIsForHighlight (theIsHighlight); // optimization - disable frustum culling for this presentation
+ base_type::Display();
+ }
+ else if (!base_type::IsVisible())
+ {
+ base_type::SetVisible (Standard_True);
+ }
+}
+
+//=======================================================================
+//function : Erase
+//purpose :
+//=======================================================================
+void PrsMgr_Presentation::Erase()
+{
+ if (IsDeleted())
+ {
+ return;
+ }
+
+ // Erase structure from structure manager
+ erase();
+ clear (true);
+ // Disconnect other structures
+ DisconnectAll (Graphic3d_TOC_DESCENDANT);
+ // Clear groups and remove graphic structure
+ Remove();
+}
+
+//=======================================================================
+//function : Highlight
+//purpose :
+//=======================================================================
+void PrsMgr_Presentation::Highlight (const Handle(Prs3d_Drawer)& theStyle)
+{
+ if (!IsHighlighted())
+ {
+ myBeforeHighlightState = StructureState (this);
+ }
+
+ display (Standard_True);
+ base_type::Highlight (theStyle);
+}
+
+//=======================================================================
+//function : Unhighlight
+//purpose :
+//=======================================================================
+void PrsMgr_Presentation::Unhighlight()
+{
+ base_type::UnHighlight();
+ switch (myBeforeHighlightState)
+ {
+ case State_Visible:
+ return;
+ case State_Hidden:
+ base_type::SetVisible (Standard_False);
+ break;
+ case State_Empty:
+ base_type::erase();
+ break;
+ }
+}
+
+//=======================================================================
+//function : Clear
+//purpose :
+//=======================================================================
+void PrsMgr_Presentation::Clear (const Standard_Boolean theWithDestruction)
+{
+ // This modification remove the contain of the structure:
+ // Consequence:
+ // 1. The memory zone of the group is reused
+ // 2. The speed for animation is constant
+ //myPresentableObject = NULL;
+ SetUpdateStatus (Standard_True);
+ if (IsDeleted())
+ {
+ return;
+ }
+
+ clear (theWithDestruction);
+ DisconnectAll (Graphic3d_TOC_DESCENDANT);
+}
+
+//=======================================================================
+//function : Compute
+//purpose :
+//=======================================================================
+void PrsMgr_Presentation::Compute()
+{
+ Standard_Integer aDispMode = 0;
+ for (PrsMgr_Presentations::Iterator aPrsIter (myPresentableObject->myPresentations); aPrsIter.More(); aPrsIter.Next())
+ {
+ const Handle(PrsMgr_Presentation)& aModedPresentation = aPrsIter.Value();
+ if (aModedPresentation == this)
+ {
+ aDispMode = aModedPresentation->Mode();
+ break;
+ }
+ }
+
+ myPresentableObject->Compute (myPresentationManager, this, aDispMode);
+}
+
+//=======================================================================
+//function : Compute
+//purpose :
+//=======================================================================
+void PrsMgr_Presentation::computeHLR (const Handle(Graphic3d_Camera)& theProjector,
+ Handle(Graphic3d_Structure)& theStructToFill)
+{
+ if (theStructToFill.IsNull())
+ {
+ theStructToFill = new Prs3d_Presentation (myPresentationManager->StructureManager());
+ }
+ Handle(Graphic3d_Structure) aPrs = theStructToFill;
+ theStructToFill->Clear();
+ myPresentableObject->computeHLR (theProjector, Transformation(), aPrs);
+}
+
+//=======================================================================
+//function : ~PrsMgr_Presentation
+//purpose :
+//=======================================================================
+PrsMgr_Presentation::~PrsMgr_Presentation()
+{
+ Erase();
+}
+
+// =======================================================================
+// function : DumpJson
+// purpose :
+// =======================================================================
+void PrsMgr_Presentation::DumpJson (Standard_OStream& theOStream, Standard_Integer theDepth) const
+{
+ OCCT_DUMP_TRANSIENT_CLASS_BEGIN (theOStream)
+ OCCT_DUMP_BASE_CLASS (theOStream, theDepth, Graphic3d_Structure)
+
+ OCCT_DUMP_FIELD_VALUE_POINTER (theOStream, myPresentableObject)
+
+ OCCT_DUMP_FIELD_VALUE_NUMERICAL (theOStream, myBeforeHighlightState)
+ OCCT_DUMP_FIELD_VALUE_NUMERICAL (theOStream, myMode)
+ OCCT_DUMP_FIELD_VALUE_NUMERICAL (theOStream, myMustBeUpdated)
}
projects / occt.git / blobdiff