steghide  0.5.1
Vertex.h
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1 /*
2  * steghide 0.5.1 - a steganography program
3  * Copyright (C) 1999-2003 Stefan Hetzl <shetzl@chello.at>
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public License
7  * as published by the Free Software Foundation; either version 2
8  * of the License, or (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License
16  * along with this program; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
18  *
19  */
20 
21 #ifndef SH_VERTEX_H
22 #define SH_VERTEX_H
23 
24 #include "CvrStgFile.h"
25 #include "common.h"
26 
27 class Edge ;
28 class SampleOccurence ;
29 class SampleValue ;
30 
43 class Vertex {
44  public:
52  Vertex (VertexLabel l, SamplePos* sposs, SampleValue** svalues, EmbValue t) ;
53 
54  ~Vertex (void) ;
55 
61  SamplePos getSamplePos (unsigned short i) const
62  { return SamplePositions[i] ; } ;
63 
69  SampleValue* getSampleValue (unsigned short i) const
70  { return SampleValues[i] ; } ;
71 
75  UWORD32 getDegree (void) const ;
76 
80  Edge *getShortestEdge (void) const
81  { return ShortestEdge ; } ;
82 
86  void updateShortestEdge (void) ;
87 
91  void markDeleted (void) ;
92 
96  void unmarkDeleted (void) ;
97 
98  VertexLabel getLabel (void) const
99  { return Label ; } ;
100 
102  { Label = l ; } ;
103 
104  void setSampleOccurenceIt (unsigned short i, std::list<SampleOccurence>::iterator it)
105  { SampleOccurenceIts[i] = it ; }
106 
107  EmbValue getEmbeddedValue (void) const ;
108 
109  EmbValue getTargetValue (unsigned short i) const
110  { return TargetValues[i] ; } ;
111 
112  void print (unsigned short spc = 0) const ;
113  void printEdges (void) const ;
114 
115  private:
118 
121 
124 
127 
129  std::list<SampleOccurence>::iterator* SampleOccurenceIts ;
130 
133 
135  bool valid ;
136 
138  unsigned short SelfDegree ;
139 } ;
140 
141 #endif // ndef SH_VERTEX_H