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99 lines
3.1 KiB
C++
99 lines
3.1 KiB
C++
// Copyright (c) 2013 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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#ifndef _BRepMesh_Edge_HeaderFile
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#define _BRepMesh_Edge_HeaderFile
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#include <Standard.hxx>
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#include <Standard_DefineAlloc.hxx>
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#include <Standard_Macro.hxx>
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#include <BRepMesh_DegreeOfFreedom.hxx>
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#include <BRepMesh_OrientedEdge.hxx>
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//! Light weighted structure representing link of the mesh.
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class BRepMesh_Edge : public BRepMesh_OrientedEdge
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{
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public:
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//! Default constructor.
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BRepMesh_Edge()
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: BRepMesh_OrientedEdge(),
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myMovability(BRepMesh_Deleted)
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{
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}
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//! Constructs a link between two vertices.
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BRepMesh_Edge(
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const Standard_Integer theFirstNode,
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const Standard_Integer theLastNode,
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const BRepMesh_DegreeOfFreedom theMovability)
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: BRepMesh_OrientedEdge(theFirstNode, theLastNode),
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myMovability(theMovability)
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{
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}
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//! Returns movability flag of the Link.
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BRepMesh_DegreeOfFreedom Movability() const
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{
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return myMovability;
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}
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//! Sets movability flag of the Link.
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//! @param theMovability flag to be set.
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void SetMovability(const BRepMesh_DegreeOfFreedom theMovability)
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{
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myMovability = theMovability;
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}
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//! Checks if the given edge and this one have the same orientation.
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//! @param theOther edge to be checked against this one.
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//! \return TRUE if edges have the same orientation, FALSE if not.
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Standard_Boolean IsSameOrientation(const BRepMesh_Edge& theOther) const
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{
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return BRepMesh_OrientedEdge::IsEqual(theOther);
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}
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//! Checks for equality with another edge.
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//! @param theOther edge to be checked against this one.
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//! @return TRUE if equal, FALSE if not.
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Standard_Boolean IsEqual(const BRepMesh_Edge& theOther) const
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{
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if (myMovability == BRepMesh_Deleted || theOther.myMovability == BRepMesh_Deleted)
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return Standard_False;
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return IsSameOrientation(theOther) ||
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(FirstNode() == theOther.LastNode() && LastNode() == theOther.FirstNode());
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}
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//! Alias for IsEqual.
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Standard_Boolean operator ==(const BRepMesh_Edge& Other) const
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{
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return IsEqual(Other);
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}
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private:
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BRepMesh_DegreeOfFreedom myMovability;
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};
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//! Computes a hash code for the given edge, in the range [1, theUpperBound]
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//! @param theEdge the edge which hash code is to be computed
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//! @param theUpperBound the upper bound of the range a computing hash code must be within
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//! @return a computed hash code, in the range [1, theUpperBound]
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inline Standard_Integer HashCode (const BRepMesh_Edge& theEdge, const Standard_Integer theUpperBound)
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{
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return theEdge.HashCode (theUpperBound);
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}
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#endif
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