1 // BitmEncoder.h -- the Most Significant Bit of byte is First
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3 #ifndef __BITM_ENCODER_H
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4 #define __BITM_ENCODER_H
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6 #include "../IStream.h"
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8 template<class TOutByte>
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15 bool Create(UInt32 bufferSize) { return m_Stream.Create(bufferSize); }
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16 void SetStream(ISequentialOutStream *outStream) { m_Stream.SetStream(outStream);}
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17 void ReleaseStream() { m_Stream.ReleaseStream(); }
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18 UInt64 GetProcessedSize() const { return m_Stream.GetProcessedSize() + (8 - m_BitPos + 7) / 8; }
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28 WriteBits(0, m_BitPos);
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29 return m_Stream.Flush();
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31 void WriteBits(UInt32 value, unsigned numBits)
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35 if (numBits < m_BitPos)
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37 m_CurByte |= ((Byte)value << (m_BitPos -= numBits));
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40 numBits -= m_BitPos;
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41 UInt32 newBits = (value >> numBits);
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42 value -= (newBits << numBits);
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43 m_Stream.WriteByte((Byte)(m_CurByte | newBits));
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