mirror of
https://github.com/qpdf/qpdf.git
synced 2025-01-28 17:48:27 +00:00
30 lines
539 B
C++
30 lines
539 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:
|
|
DLL_EXPORT
|
|
BitStream(unsigned char const* p, int nbytes);
|
|
DLL_EXPORT
|
|
void reset();
|
|
DLL_EXPORT
|
|
unsigned long getBits(int nbits);
|
|
DLL_EXPORT
|
|
void skipToNextByte();
|
|
|
|
private:
|
|
unsigned char const* start;
|
|
int nbytes;
|
|
|
|
unsigned char const* p;
|
|
unsigned int bit_offset;
|
|
unsigned int bits_available;
|
|
};
|
|
|
|
#endif // __BITSTREAM_HH__
|