传真(Fax)编程

开发平台：

Visual C++

compblock.h：源码内容

							#ifndef COMPBLOCK_H__
#define COMPBLOCK_H__
class CompBlock {
private:
	void InitBlock(void)
	{
		m_bits = 0;
		m_length = 0;
		m_off = 0;
		m_current_bit = 0;
		m_pre = m_fol = m_bucket = 0;
		m_pushed = m_popped = 0;
	}
protected:
	unsigned char * m_bits;
	UINT32 m_length;
	UINT32 m_off;
	UINT32 m_current_bit;
	UINT32 m_pre;
	UINT32 m_fol;
	UINT32 m_bucket;
	UINT32 m_pushed;
	UINT32 m_popped;
public:
	CompBlock(void);
	CompBlock(UINT32 length, unsigned char * ptr);
	~CompBlock(void);
	void SetData(UINT32 length, unsigned char * ptr);
	unsigned char * GetData(void){ return m_bits;}
	void PopNumber(UINT32 num_bits, short& num);
	void PushNumber(UINT32 num_bits, short num);
	void PushNumber(UINT32 num_bits, UINT32 num);
	void PushNumber(UINT32 num_bits, unsigned char num);
	static UINT32 CalculateMinBits(UINT32 num);
	UINT32 GetCompressedSize(void)const;
};
#endif

						