steghide  0.5.1
DummySampleValue.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_DUMMYSAMPLEVALUE_H
22 #define SH_DUMMYSAMPLEVALUE_H
23 
24 #include "SampleValue.h"
25 #include "common.h"
26 
27 class DummySampleValue : public SampleValue {
28  public:
30  : SampleValue(), Value(v)
31  { EValue = (v % 2) ; Key = v ; } ;
32 
33  UWORD16 getValue (void) const
34  { return Value ; } ;
35 
39  UWORD32 calcDistance (const SampleValue* s) const ;
40 
44  bool isNeighbour (const SampleValue* s) const ;
45 
47 
48  std::string getName (void) const ;
49 
50  private:
52 } ;
53 
54 #endif // ndef SH_DUMMYSAMPLEVALUE_H