qpdf/libqpdf/qpdf/BitStream.hh

30 lines
536 B
C++

// Read bits from a bit stream. See BitWriter for writing.
#ifndef __BITSTREAM_HH__
#define __BITSTREAM_HH__
#include <qpdf/DLL.h>
class BitStream
{
public:
QPDF_DLL
BitStream(unsigned char const* p, int nbytes);
QPDF_DLL
void reset();
QPDF_DLL
unsigned long long getBits(int nbits);
QPDF_DLL
void skipToNextByte();
private:
unsigned char const* start;
int nbytes;
unsigned char const* p;
unsigned int bit_offset;
unsigned int bits_available;
};
#endif // __BITSTREAM_HH__