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qpdf/libqpdf/qpdf/BitWriter.hh

32 lines
684 B
C++

// Write bits into a bit stream. See BitStream for reading.
#ifndef BITWRITER_HH
#define BITWRITER_HH
#include <qpdf/DLL.h>
class Pipeline;
class BitWriter
{
public:
// Write bits to the pipeline. It is the caller's responsibility
// to eventually call finish on the pipeline.
QPDF_DLL
BitWriter(Pipeline* pl);
QPDF_DLL
void writeBits(unsigned long long val, unsigned int bits);
QPDF_DLL
void writeBitsSigned(long long val, unsigned int bits);
// Force any partial byte to be written to the pipeline.
QPDF_DLL
void flush();
private:
Pipeline* pl;
unsigned char ch;
unsigned int bit_offset;
};
#endif // BITWRITER_HH