mirror of https://github.com/qpdf/qpdf.git
46 lines
923 B
C++
46 lines
923 B
C++
#include <qpdf/BitWriter.hh>
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// See comments in bits_functions.hh
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#define BITS_WRITE 1
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#include <qpdf/bits_functions.hh>
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BitWriter::BitWriter(Pipeline* pl) :
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pl(pl),
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ch(0),
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bit_offset(7)
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{
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}
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void
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BitWriter::writeBits(unsigned long long val, size_t bits)
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{
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write_bits(this->ch, this->bit_offset, val, bits, this->pl);
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}
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void
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BitWriter::writeBitsSigned(long long val, size_t bits)
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{
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unsigned long long uval = 0;
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if (val < 0) {
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uval = (1ULL << bits) + static_cast<unsigned long long>(val);
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} else {
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uval = static_cast<unsigned long long>(val);
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}
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writeBits(uval, bits);
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}
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void
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BitWriter::writeBitsInt(int val, size_t bits)
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{
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writeBits(static_cast<unsigned long long>(val), bits);
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}
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void
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BitWriter::flush()
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{
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if (bit_offset < 7) {
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size_t bits_to_write = bit_offset + 1;
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write_bits(this->ch, this->bit_offset, 0, bits_to_write, this->pl);
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}
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}
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