--- /dev/null
+// Created on: 1997-03-03
+// Created by: Jean-Pierre COMBE
+// 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.
+
+#ifndef _AIS_IdenticRelation_HeaderFile
+#define _AIS_IdenticRelation_HeaderFile
+
+#include <Standard.hxx>
+#include <Standard_Type.hxx>
+
+#include <Standard_Boolean.hxx>
+#include <gp_Pnt.hxx>
+#include <AIS_Relation.hxx>
+#include <PrsMgr_PresentationManager3d.hxx>
+#include <Standard_Integer.hxx>
+#include <SelectMgr_Selection.hxx>
+#include <Standard_Real.hxx>
+class TopoDS_Shape;
+class Geom_Plane;
+class Prs3d_Presentation;
+class Prs3d_Projector;
+class Geom_Transformation;
+class Geom_Line;
+class gp_Pnt;
+class Geom_Circle;
+class Geom_Ellipse;
+class TopoDS_Wire;
+class TopoDS_Vertex;
+class gp_Dir;
+
+
+class AIS_IdenticRelation;
+DEFINE_STANDARD_HANDLE(AIS_IdenticRelation, AIS_Relation)
+
+//! Constructs a constraint by a relation of identity
+//! between two or more datums figuring in shape
+//! Interactive Objects.
+class AIS_IdenticRelation : public AIS_Relation
+{
+
+public:
+
+
+
+ //! Initializes the relation of identity between the two
+ //! entities, FirstShape and SecondShape. The plane
+ //! aPlane is initialized in case a visual reference is
+ //! needed to show identity.
+ Standard_EXPORT AIS_IdenticRelation(const TopoDS_Shape& FirstShape, const TopoDS_Shape& SecondShape, const Handle(Geom_Plane)& aPlane);
+
+
+ //! Returns true if the interactive object is movable.
+ virtual Standard_Boolean IsMovable() const Standard_OVERRIDE;
+
+ //! computes the presentation according to a point of view
+ //! given by <aProjector>.
+ //! To be Used when the associated degenerated Presentations
+ //! have been transformed by <aTrsf> which is not a Pure
+ //! Translation. The HLR Prs can't be deducted automatically
+ //! WARNING :<aTrsf> must be applied
+ //! to the object to display before computation !!!
+ Standard_EXPORT virtual void Compute (const Handle(Prs3d_Projector)& aProjector, const Handle(Geom_Transformation)& aTrsf, const Handle(Prs3d_Presentation)& aPresentation) Standard_OVERRIDE;
+
+
+
+
+ DEFINE_STANDARD_RTTI(AIS_IdenticRelation,AIS_Relation)
+
+protected:
+
+
+
+
+private:
+
+
+ Standard_EXPORT virtual void Compute (const Handle(PrsMgr_PresentationManager3d)& aPresentationManager, const Handle(Prs3d_Presentation)& aPresentation, const Standard_Integer aMode = 0) Standard_OVERRIDE;
+
+ Standard_EXPORT void Compute (const Handle(Prs3d_Projector)& aProjector, const Handle(Prs3d_Presentation)& aPresentation) Standard_OVERRIDE;
+
+ Standard_EXPORT virtual void ComputeSelection (const Handle(SelectMgr_Selection)& aSelection, const Standard_Integer aMode) Standard_OVERRIDE;
+
+ Standard_EXPORT void ComputeOneEdgeOVertexPresentation (const Handle(Prs3d_Presentation)& aPresentation);
+
+ Standard_EXPORT void ComputeTwoEdgesPresentation (const Handle(Prs3d_Presentation)& aPresentation);
+
+ Standard_EXPORT void ComputeTwoLinesPresentation (const Handle(Prs3d_Presentation)& aPresentation, const Handle(Geom_Line)& aLin, gp_Pnt& Pnt1On1, gp_Pnt& Pnt2On1, gp_Pnt& Pnt1On2, gp_Pnt& Pnt2On2, const Standard_Boolean isInf1, const Standard_Boolean isInf2);
+
+ Standard_EXPORT void ComputeTwoCirclesPresentation (const Handle(Prs3d_Presentation)& aPresentation, const Handle(Geom_Circle)& aCircle, const gp_Pnt& Pnt1On1, const gp_Pnt& Pnt2On1, const gp_Pnt& Pnt1On2, const gp_Pnt& Pnt2On2);
+
+ //! Computes the presentation of the identic constraint
+ //! between 2 arcs in the case of automatic presentation
+ Standard_EXPORT void ComputeAutoArcPresentation (const Handle(Geom_Circle)& aCircle, const gp_Pnt& firstp, const gp_Pnt& lastp, const Standard_Boolean isstatic = Standard_False);
+
+ //! Computes the presentation of the identic constraint
+ //! between 2 circles in the case of non automatic presentation
+ Standard_EXPORT void ComputeNotAutoCircPresentation (const Handle(Geom_Circle)& aCircle);
+
+ //! Computes the presentation of the identic constraint
+ //! between 2 arcs in the case of non automatic presentation
+ Standard_EXPORT void ComputeNotAutoArcPresentation (const Handle(Geom_Circle)& aCircle, const gp_Pnt& pntfirst, const gp_Pnt& pntlast);
+
+ Standard_EXPORT void ComputeTwoEllipsesPresentation (const Handle(Prs3d_Presentation)& aPrs, const Handle(Geom_Ellipse)& anEll, const gp_Pnt& Pnt1On1, const gp_Pnt& Pnt2On1, const gp_Pnt& Pnt1On2, const gp_Pnt& Pnt2On2);
+
+ //! Computes the presentation of the identic constraint
+ //! between 2 arcs in the case of automatic presentation
+ Standard_EXPORT void ComputeAutoArcPresentation (const Handle(Geom_Ellipse)& theEll, const gp_Pnt& firstp, const gp_Pnt& lastp, const Standard_Boolean isstatic = Standard_False);
+
+ //! Computes the presentation of the identic constraint
+ //! between 2 ellipses in the case of non automatic presentation
+ Standard_EXPORT void ComputeNotAutoElipsPresentation (const Handle(Geom_Ellipse)& theEll);
+
+ //! Computes the presentation of the identic constraint
+ //! between 2 arcs in the case of non automatic presentation
+ Standard_EXPORT void ComputeNotAutoArcPresentation (const Handle(Geom_Ellipse)& theEll, const gp_Pnt& pntfirst, const gp_Pnt& pntlast);
+
+ Standard_EXPORT void ComputeTwoVerticesPresentation (const Handle(Prs3d_Presentation)& aPresentation);
+
+ Standard_EXPORT Standard_Real ComputeSegSize() const;
+
+ Standard_EXPORT Standard_Boolean ComputeDirection (const TopoDS_Wire& aWire, const TopoDS_Vertex& aVertex, gp_Dir& aDir) const;
+
+ Standard_EXPORT gp_Dir ComputeLineDirection (const Handle(Geom_Line)& aLin, const gp_Pnt& anExtremity) const;
+
+ Standard_EXPORT gp_Dir ComputeCircleDirection (const Handle(Geom_Circle)& aCirc, const TopoDS_Vertex& ConnectedVertex) const;
+
+ Standard_Boolean isCircle;
+ gp_Pnt myFAttach;
+ gp_Pnt mySAttach;
+ gp_Pnt myCenter;
+
+
+};
+
+
+#include <AIS_IdenticRelation.lxx>
+
+
+
+
+
+#endif // _AIS_IdenticRelation_HeaderFile