repos_ecs/其他2015后/条码打印机/条形码生成/条形码/source_files/DrawBarCode.h

///************************************************************************/
/*  Copyright (C), 2016-2020, [IT], 保留所有权利;
/*  模 块 名：;
/*  描    述：;
/*
/*  版    本：[V];	
/*  作    者：[IT];
/*  日    期：[4/24/2016];
/*
/*
/*  注    意：;
/*
/*  修改记录：[IT];
/*  修改日期：;
/*  修改版本：;
/*  修改内容：;
/************************************************************************/

#ifndef	__DRAW_BAR_CODE__
#define __DRAW_BAR_CODE__

#pragma once

namespace DrawBarCodes
{
	struct IntString
	{
		int ch;
		char*psz;
	};

	class CBarCodeBase
	{
	protected:
		BYTE	m_byBuffer[4096];
		int		m_nBufferLen;
		int		m_nRatio;

		struct _INPUTSTR_
		{
			int		nChCount;		// 输入字符数;
			CHAR	*pInputStr;		// 输入的字符串;
		};
	public:
		CBarCodeBase();
		~CBarCodeBase();

		void operator=(const CBarCodeBase& bc);
		void Clear();
		int GetEncodeLength() const;
		int GetBufferLength() const;
		const BYTE& GetAt(const int& nIndex) const;
		int GetRatio() const;
		int SetRatio(const int& nRatio);
		void DrawBarCode(IN HDC hDC, IN int nStartX, IN int nStartY, IN int nBarHeight, IN int nBarHeight2, IN const COLORREF clrBar, IN const COLORREF clrSpace, IN const int nPenWidth);
	};

	//////////////////////////////////////////////////////////////////////////
	class CBarCode39:public CBarCodeBase
	{
	public:
		CBarCode39();
		~CBarCode39();

		BOOL EnCode39(IN LPCTSTR lpszCodeIn);
		void Draw39(IN HDC hDC, IN int nStartX, IN int nStartY, IN int nBarHeight, IN int nBarHeight2, IN const COLORREF clrBar, IN const COLORREF clrSpace, IN const int nPenWidth);
	protected:
	private:
		BYTE *GetNarrowWideBarSpace39(IN CHAR ch, IN BYTE* pb);
	};

	class CBarCode93:public CBarCodeBase
	{
	public:
		CBarCode93();
		~CBarCode93();

		BOOL EnCode93(IN LPCTSTR lpszCodeIn);
		void Draw93(IN HDC hDC, IN int nStartX, IN int nStartY, IN int nBarHeight, IN int nBarHeight2, IN const COLORREF clrBar, IN const COLORREF clrSpace, IN const int nPenWidth);
	protected:
	private:
		BYTE *GetBarSpace93(IN BYTE* pb, IN int ch);
		BYTE *GetCheckDigits(IN BYTE* bp, IN const char *&pszCode);
		BOOL AscIItoCode93Sequence(IN int nValue, IN int& nFirst, IN int& nSecond);
	};

	class CBarCodeI2of5:public CBarCodeBase
	{
	public:
	protected:
	private:
	};

	class CBarCode128:public CBarCodeBase
	{
	public:
	protected:
	private:
	};

	class CBarCodeEan13:public CBarCodeBase
	{
	public:
	protected:
	private:
	};
};

#endif