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_DUMMYSAMPLEVALUE_H 00022 #define SH_DUMMYSAMPLEVALUE_H 00023 00024 #include "SampleValue.h" 00025 #include "common.h" 00026 00027 class DummySampleValue : public SampleValue { 00028 public: 00029 DummySampleValue (UWORD16 v) 00030 : SampleValue(), Value(v) 00031 { EValue = (v % 2) ; Key = v ; } ; 00032 00033 UWORD16 getValue (void) const 00034 { return Value ; } ; 00035 00039 UWORD32 calcDistance (const SampleValue* s) const ; 00040 00044 bool isNeighbour (const SampleValue* s) const ; 00045 00046 SampleValue* getNearestTargetSampleValue (EmbValue t) const ; 00047 00048 std::string getName (void) const ; 00049 00050 private: 00051 UWORD16 Value ; 00052 } ; 00053 00054 #endif // ndef SH_DUMMYSAMPLEVALUE_H