include/opencascade/MAT_Zone.hxx

0001 // Created on: 1993-05-27
0002 // Created by: Yves FRICAUD
0003 // Copyright (c) 1993-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _MAT_Zone_HeaderFile
0018 #define _MAT_Zone_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_Type.hxx>
0022
0023 #include <MAT_SequenceOfArc.hxx>
0024 #include <Standard_Transient.hxx>
0025 #include <Standard_Integer.hxx>
0026 #include <MAT_Side.hxx>
0027 class MAT_BasicElt;
0028 class MAT_Arc;
0029 class MAT_Node;
0030
0031 class MAT_Zone;
0032 DEFINE_STANDARD_HANDLE(MAT_Zone, Standard_Transient)
0033
0034 //! Definition of Zone of Proximity of a BasicElt :
0035 //! ----------------------------------------------
0036 //! A Zone of proximity is the set of the points which are
0037 //! more near from the BasicElt than any other.
0038 class MAT_Zone : public Standard_Transient
0039 {
0040
0041 public:
0042   Standard_EXPORT MAT_Zone();
0043
0044   //! Compute the frontier of the Zone of proximity.
0045   Standard_EXPORT MAT_Zone(const Handle(MAT_BasicElt)& aBasicElt);
0046
0047   //! Compute the frontier of the Zone of proximity.
0048   Standard_EXPORT void Perform(const Handle(MAT_BasicElt)& aBasicElt);
0049
0050   //! Return the number Of Arcs On the frontier of <me>.
0051   Standard_EXPORT Standard_Integer NumberOfArcs() const;
0052
0053   //! Return the  Arc number <Index>  on the frontier.
0054   //! of  <me>.
0055   Standard_EXPORT Handle(MAT_Arc) ArcOnFrontier(const Standard_Integer Index) const;
0056
0057   //! Return TRUE if <me> is not empty .
0058   Standard_EXPORT Standard_Boolean NoEmptyZone() const;
0059
0060   //! Return TRUE if <me> is Limited.
0061   Standard_EXPORT Standard_Boolean Limited() const;
0062
0063   DEFINE_STANDARD_RTTIEXT(MAT_Zone, Standard_Transient)
0064
0065 protected:
0066 private:
0067   Standard_EXPORT Handle(MAT_Node) NodeForTurn(const Handle(MAT_Arc)&      anArc,
0068                                                const Handle(MAT_BasicElt)& aBasicElt,
0069                                                const MAT_Side              aSide) const;
0070
0071   MAT_SequenceOfArc frontier;
0072   Standard_Boolean  limited;
0073 };
0074
0075 #endif // _MAT_Zone_HeaderFile