1
0
mirror of https://github.com/tumic0/GPXSee.git synced 2025-03-31 11:48:27 +02:00
GPXSee/src/map/IMG/huffmantable.h

33 lines
705 B
C++

#ifndef IMG_HUFFMANTABLE_H
#define IMG_HUFFMANTABLE_H
#include "huffmanbuffer.h"
namespace IMG {
class RGNFile;
class HuffmanTable {
public:
HuffmanTable(quint8 id) : _buffer(id) {}
bool load(const RGNFile *rgn, SubFile::Handle &rgnHdl);
quint32 symbol(quint32 data, quint8 &size) const;
quint8 id() const {return _buffer.id();}
quint8 symBits() const {return _symBits;}
quint8 symbolBits() const {return _symbolBits;}
private:
HuffmanBuffer _buffer;
const quint8 *_aclTable, *_bsrchTable, *_huffmanTable;
quint8 _aclBits, _aclEntryBytes, _symBits, _symBytes, _indexBytes,
_bsrchEntryBytes, _bsrchEntries, _symbolBits, _symbolBytes;
bool _huffman;
};
}
#endif // IMG_HUFFMANTABLE_H