00001 /* 00002 * steghide 0.5.1 - a steganography program 00003 * Copyright (C) 1999-2003 Stefan Hetzl <shetzl@chello.at> 00004 * 00005 * This program is free software; you can redistribute it and/or 00006 * modify it under the terms of the GNU General Public License 00007 * as published by the Free Software Foundation; either version 2 00008 * of the License, or (at your option) any later version. 00009 * 00010 * This program is distributed in the hope that it will be useful, 00011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00013 * GNU General Public License for more details. 00014 * 00015 * You should have received a copy of the GNU General Public License 00016 * along with this program; if not, write to the Free Software 00017 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00018 * 00019 */ 00020 00021 #ifndef SH_VERTEX_H 00022 #define SH_VERTEX_H 00023 00024 #include "CvrStgFile.h" 00025 #include "common.h" 00026 00027 class Edge ; 00028 class SampleOccurence ; 00029 class SampleValue ; 00030 00043 class Vertex { 00044 public: 00052 Vertex (VertexLabel l, SamplePos* sposs, SampleValue** svalues, EmbValue t) ; 00053 00054 ~Vertex (void) ; 00055 00061 SamplePos getSamplePos (unsigned short i) const 00062 { return SamplePositions[i] ; } ; 00063 00069 SampleValue* getSampleValue (unsigned short i) const 00070 { return SampleValues[i] ; } ; 00071 00075 UWORD32 getDegree (void) const ; 00076 00080 Edge *getShortestEdge (void) const 00081 { return ShortestEdge ; } ; 00082 00086 void updateShortestEdge (void) ; 00087 00091 void markDeleted (void) ; 00092 00096 void unmarkDeleted (void) ; 00097 00098 VertexLabel getLabel (void) const 00099 { return Label ; } ; 00100 00101 void setLabel (VertexLabel l) 00102 { Label = l ; } ; 00103 00104 void setSampleOccurenceIt (unsigned short i, std::list<SampleOccurence>::iterator it) 00105 { SampleOccurenceIts[i] = it ; } 00106 00107 EmbValue getEmbeddedValue (void) const ; 00108 00109 EmbValue getTargetValue (unsigned short i) const 00110 { return TargetValues[i] ; } ; 00111 00112 void print (unsigned short spc = 0) const ; 00113 void printEdges (void) const ; 00114 00115 private: 00117 VertexLabel Label ; 00118 00120 SamplePos* SamplePositions ; 00121 00123 SampleValue** SampleValues ; 00124 00126 EmbValue* TargetValues ; 00127 00129 std::list<SampleOccurence>::iterator* SampleOccurenceIts ; 00130 00132 Edge *ShortestEdge ; 00133 00135 bool valid ; 00136 00138 unsigned short SelfDegree ; 00139 } ; 00140 00141 #endif // ndef SH_VERTEX_H