1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
/* -*- mode:c++; tab-width:4; c-basic-offset:4 -*- */
/*
* libopenraw - huffman.h
*
* Copyright (C) 2008 Rafael Avila de Espindola.
*
* This library is free software: you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#ifndef __HUFFMAN_H_
#define __HUFFMAN_H_
#include <string>
#include "bititerator.h"
namespace OpenRaw {
namespace Internals {
struct HuffmanNode {
unsigned isLeaf :1;
unsigned data :31;
};
class HuffmanDecoder {
unsigned int m_numNodes;
const HuffmanNode * const m_p;
void printTable_(std::string, unsigned int) const;
public:
HuffmanDecoder(const HuffmanNode* const);
void printTable() const;
unsigned int decode(BitIterator& i);
};
}
}
#endif
|
