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DummyFile.h

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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_DUMMYFILE_H 00022 #define SH_DUMMYFILE_H 00023 00024 #include <vector> 00025 #include <list> 00026 00027 class BitString ; 00028 #include "CvrStgFile.h" 00029 class Selector ; 00030 #include "common.h" 00031 00036 class DummyFile : public CvrStgFile { 00037 public: 00043 DummyFile (UWORD16 s, std::vector<std::vector<bool> >* svam) ; 00044 00045 std::list<CvrStgFile::Property> getProperties (void) const ; 00046 00047 unsigned long getNumSamples (void) const ; 00048 00049 void replaceSample (const SamplePos pos, const SampleValue* s) ; 00050 00051 SampleValue* getSampleValue (const SamplePos pos) const ; 00052 00053 std::vector<std::vector<bool> >* getSampleValueAdjacencyMatrix() const 00054 { return SampleValueAdjacencyMatrix ; } ; 00055 00073 static void createGraph (std::vector<std::list<UWORD16> >& adjlist, BitString** bs, CvrStgFile** f, Selector** s) ; 00074 00075 private: 00076 static const unsigned short SamplesPerVertex = 2 ; 00077 static const EmbValue EmbValueModulus = 2 ; 00078 00079 std::vector<UWORD16> Samples ; 00080 std::vector<std::vector<bool> >* SampleValueAdjacencyMatrix ; 00081 } ; 00082 00083 #endif // ndef SH_DUMMYFILE_H

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