/usr/include/oce/Poly_CoherentLink.hxx is in liboce-foundation-dev 0.18.2-2build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 | // Created on: 2007-12-25
// Created by: Alexander GRIGORIEV
// Copyright (c) 2007-2014 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 Poly_CoherentLink_HeaderFile
#define Poly_CoherentLink_HeaderFile
#include <Standard_TypeDef.hxx>
class Poly_CoherentTriangle;
class Poly_CoherentTriangulation;
/**
* Link between two mesh nodes that is created by existing triangle(s).
* Keeps reference to the opposite node of each incident triangle.
* The referred node with index "0" is always on the left side of the link,
* the one with the index "1" is always on the right side.
* It is possible to find both incident triangles using the method
* Poly_CoherentTriangulation::FindTriangle().
* <p>
* Any Link can store an arbitrary pointer that is called Attribute.
*/
class Poly_CoherentLink
{
public:
// ---------- PUBLIC METHODS ----------
/**
* Empty constructor.
*/
Standard_EXPORT Poly_CoherentLink ();
/**
* Constructor. Creates a Link that has no reference to 'opposite nodes'.
* This constructor is useful to create temporary object that is not
* inserted into any existing triangulation.
*/
inline Poly_CoherentLink (const Standard_Integer iNode0,
const Standard_Integer iNode1)
: myAttribute (0L)
{
myNode[0] = iNode0; myNode[1] = iNode1;
myOppositeNode[0] = -1; myOppositeNode[1] = -1;
}
/**
* Constructor, takes a triangle and a side. A link is created always such
* that myNode[0] < myNode[1]. Unlike the previous constructor, this one
* assigns the 'opposite node' fields. This constructor is used when a
* link is inserted into a Poly_CoherentTriangulation structure.
* @param theTri
* Triangle containing the link that is created
* @param iSide
* Can be 0, 1 or 2. Index of the node
*/
Standard_EXPORT Poly_CoherentLink (const Poly_CoherentTriangle& theTri,
Standard_Integer iSide);
/**
* Return the node index in the current triangulation.
* @param ind
* 0 or 1 making distinction of the two nodes that constitute the Link.
* Node(0) always returns a smaller number than Node(1).
*/
inline Standard_Integer Node (const Standard_Integer ind) const
{ return myNode[ind & 0x1]; }
/**
* Return the opposite node (belonging to the left or right incident triangle)
* index in the current triangulation.
* @param ind
* 0 or 1 making distinction of the two involved triangles: 0 on the left,
* 1 on the right side of the Link.
*/
inline Standard_Integer OppositeNode (const Standard_Integer ind) const
{ return myOppositeNode[ind & 0x1]; }
/**
* Query the attribute of the Link.
*/
inline Standard_Address GetAttribute () const
{ return myAttribute; }
/**
* Set the attribute of the Link.
*/
inline void SetAttribute (const Standard_Address theAtt)
{ myAttribute = theAtt; }
/**
* Query the status of the link - if it is an invalid one.
* An invalid link has Node members equal to -1.
*/
inline Standard_Boolean IsEmpty () const
{ return myNode[0] < 0 || myNode[1] < 0; }
/**
* Invalidate this Link.
*/
inline void Nullify ()
{
myNode[0] = -1; myNode[1] = -1;
myOppositeNode[0] = -1; myOppositeNode[1] = -1;
}
protected:
// ---------- PROTECTED METHODS ----------
private:
// ---------- PRIVATE FIELDS ----------
Standard_Integer myNode[2];
Standard_Integer myOppositeNode[2];
Standard_Address myAttribute;
friend class Poly_CoherentTriangulation;
};
#endif
|