ext/OGDF/ogdf/internal/planarity/EmbedIndicator.h

   1 /*
   2  * $Revision: 2523 $
   3  *
   4  * last checkin:
   5  *   $Author: gutwenger $
   6  *   $Date: 2012-07-02 20:59:27 +0200 (Mon, 02 Jul 2012) $
   7  ***************************************************************/
   8
   9 /** \file
  10  * \brief Declaration of the class EmbedIndicator.
  11  *
  12  * Implements the direction Indicator. Used by class EmbedPQTree.
  13  *
  14  * \author Sebastian Leipert
  15  *
  16  * \par License:
  17  * This file is part of the Open Graph Drawing Framework (OGDF).
  18  *
  19  * \par
  20  * Copyright (C)<br>
  21  * See README.txt in the root directory of the OGDF installation for details.
  22  *
  23  * \par
  24  * This program is free software; you can redistribute it and/or
  25  * modify it under the terms of the GNU General Public License
  26  * Version 2 or 3 as published by the Free Software Foundation;
  27  * see the file LICENSE.txt included in the packaging of this file
  28  * for details.
  29  *
  30  * \par
  31  * This program is distributed in the hope that it will be useful,
  32  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  33  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  34  * GNU General Public License for more details.
  35  *
  36  * \par
  37  * You should have received a copy of the GNU General Public
  38  * License along with this program; if not, write to the Free
  39  * Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  40  * Boston, MA 02110-1301, USA.
  41  *
  42  * \see  http://www.gnu.org/copyleft/gpl.html
  43  ***************************************************************/
  44
  45 #ifdef _MSC_VER
  46 #pragma once
  47 #endif
  48
  49
  50
  51 #ifndef OGDF_EMBED_INDICATOR_H
  52 #define OGDF_EMBED_INDICATOR_H
  53
  54
  55
  56 #include <ogdf/internal/planarity/PQNode.h>
  57 #include <ogdf/internal/planarity/PQNodeKey.h>
  58 #include <ogdf/internal/planarity/PQInternalKey.h>
  59 #include <ogdf/internal/planarity/IndInfo.h>
  60
  61 namespace ogdf{
  62
  63
  64 class EmbedIndicator : public PQNode<edge,IndInfo*,bool>
  65 {
  66 public:
  67
  68         EmbedIndicator(int count, PQNodeKey<edge,IndInfo*,bool>* infoPtr)
  69                 : PQNode<edge,IndInfo*,bool>(count,infoPtr) { }
  70
  71         virtual ~EmbedIndicator() {
  72                 delete getNodeInfo()->userStructInfo();
  73                 delete getNodeInfo();
  74         }
  75
  76         PQNodeType  type() const { return leaf; }
  77
  78         void type(PQNodeType) { }
  79
  80         PQNodeStatus  status() const { return PQNodeRoot::INDICATOR; }
  81
  82         void status(PQNodeStatus) { }
  83
  84         PQNodeMark  mark() const { return UNMARKED; }
  85
  86         void mark(PQNodeMark) { }
  87
  88         PQLeafKey<edge,IndInfo*,bool>* getKey() const { return 0; }
  89
  90         bool setKey(PQLeafKey<edge,IndInfo*,bool>* pointerToKey) {
  91                 return (pointerToKey == 0);
  92         }
  93
  94         PQInternalKey<edge,IndInfo*,bool>* getInternal() const { return 0; }
  95
  96         bool setInternal(PQInternalKey<edge,IndInfo*,bool>* pointerToInternal) {
  97                 return (pointerToInternal == 0);
  98         }
  99 };
 100
 101
 102 }
 103
 104 #endif
 105