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

#include "stdafx.h"
#include "DrawBarCode.h"

namespace DrawBarCodes
{
	const int g_aryCode128[2][207] = 
	{
		{
			64,  65,  66,  67,  68,  69,  70,  71,  72,  73,  74,  75,  76,  77,  78,  79,
			80,  81,  82,  83,  84,  85,  86,  87,  88,  89,  90,  91,  92,  93,  94,  95,
			0,   1,   2,   3,   4,   5,   6,   7,   8,   9,  10,  11,  12,  13,  14,  15,
			16,  17,  18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29,  30,  31,
			32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,  44,  45,  46,  47,
			48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59,  60,  61,  62,  63,
			-1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,
			-1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,
			-1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,
			-1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,
			-1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,
			-1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,
			-1,  -1,  -1,  95,  96,  97,  98,  99, 100, 101, 102, 103, 104, 105, 106,
		},
		{
			-1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,
			-1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,
			0,   1,   2,   3,   4,   5,   6,   7,   8,   9,  10,  11,  12,  13,  14,  15,
			16,  17,  18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29,  30,  31,
			32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,  44,  45,  46,  47,
			48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59,  60,  61,  62,  63,
			64,  65,  66,  67,  68,  69,  70,  71,  72,  73,  74,  75,  76,  77,  78,  79,
			80,  81,  82,  83,  84,  85,  86,  87,  88,  89,  90,  91,  92,  93,  94,  -1,
			-1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,
			-1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,
			-1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,
			-1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,  -1,
			-1,  -1,  -1,  95,  96,  97,  98,  99, 100, 101, 102, 103, 104, 105, 106,
			},
	};

	//////////////////////////////////////////////////////////////////////////
	// CBarCodeBase;
	CBarCodeBase::CBarCodeBase()
	{
		Clear();
		m_nRatio = 3;
	}

	CBarCodeBase::~CBarCodeBase()
	{

	}

	void CBarCodeBase::operator =(const CBarCodeBase& bc)
	{
		m_nRatio = bc.m_nRatio;
		m_nBufferLen = bc.m_nBufferLen;
		memcpy(m_byBuffer, bc.m_byBuffer, bc.m_nBufferLen);
	}

	void CBarCodeBase::Clear()
	{
		memset(m_byBuffer, 0, m_nBufferLen);
		m_nBufferLen = 0;
	}

	int CBarCodeBase::GetEncodeLength() const
	{
		int nLen = 0;
		BYTE *pBuffer = (BYTE*)m_byBuffer;

		for ( int i = 0; i < m_nBufferLen; i++ )
		{
			if ( *pBuffer & 2 )
				nLen += (m_nRatio - 1);

			pBuffer++;
		}

		return nLen + m_nBufferLen;
	}

	int CBarCodeBase::GetBufferLength() const
	{
		return m_nBufferLen;
	}

	const BYTE& CBarCodeBase::GetAt(const int& nIndex) const
	{
		return m_byBuffer[nIndex];
	}

	int CBarCodeBase::GetRatio() const
	{
		return m_nRatio;
	}

	int CBarCodeBase::SetRatio(const int& nRatio)
	{
		m_nRatio = nRatio;
		if ( nRatio <= 0 )
			m_nRatio = 1;

		return m_nRatio;
	}

	void CBarCodeBase::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)
	{
		HPEN hPenBar	=::CreatePen(PS_SOLID, nPenWidth, clrBar);
		HPEN hPenSpace	=::CreatePen(PS_SOLID, nPenWidth, clrSpace);

		HPEN hPenOld = (HPEN)::SelectObject(hDC,hPenBar);

		BYTE *pb = m_byBuffer;
		int i0,iNum0 = m_nBufferLen;

		BYTE bBar;
		int i1,iNum1;
		int iY;
		for( i0 = 0; i0 < iNum0; i0++)
		{
			bBar	= *pb&0x01;
			iNum1	= (*pb&0x02) ? m_nRatio:1;
			iY		= (*pb&0x04) ? nBarHeight2 : nBarHeight;
			for( i1=0; i1 < iNum1; i1++)
			{
				if(bBar)	::SelectObject(hDC,hPenBar);
				else		::SelectObject(hDC,hPenSpace);

				::MoveToEx(hDC, nStartX, nStartY, 0);
				::LineTo(hDC,nStartX,iY);
				nStartX += nPenWidth;
			}
			pb++;
		}

		::SelectObject(hDC,hPenOld);

		::DeleteObject(hPenBar);
		::DeleteObject(hPenSpace);
	}

	//////////////////////////////////////////////////////////////////////////
	CBarCode39::CBarCode39()
	{

	}

	CBarCode39::~CBarCode39()
	{

	}

	BOOL CBarCode39::EnCode39(IN LPCTSTR lpszCodeIn)
	{
		int iLen = strlen(lpszCodeIn);

		char*pszCode = new char[iLen+3];
		sprintf(pszCode,"*%s*",lpszCodeIn);
		strupr(pszCode);

		BYTE*pFst = m_byBuffer;
		BYTE*p0 = pFst,*p1;

		iLen+=2;
		int i;
		for(i=0;i<iLen;i++)
		{
			p1 = GetNarrowWideBarSpace39(pszCode[i],p0);
			if(p1==0)	return 0;
			p0=p1;
		}
		m_nBufferLen = p1-pFst;
		delete []pszCode;

		return 1;
	}

	void CBarCode39::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)
	{
		DrawBarCode(hDC, nStartX, nStartY, nBarHeight, nBarHeight2, clrBar, clrSpace, nPenWidth);
	}

	BYTE* CBarCode39::GetNarrowWideBarSpace39(CHAR ch, BYTE* pb)
	{
		IntString infs[]=
		{
			{'1',	"wnnwnnnnwn"},
			{'2',	"nnwwnnnnwn"},
			{'3',	"wnwwnnnnnn"},
			{'4',	"nnnwwnnnwn"},
			{'5',	"wnnwwnnnnn"},
			{'6',	"nnwwwnnnnn"},
			{'7',	"nnnwnnwnwn"},
			{'8',	"wnnwnnwnnn"},
			{'9',	"nnwwnnwnnn"},
			{'0',	"nnnwwnwnnn"},
			{'A',	"wnnnnwnnwn"},
			{'B',	"nnwnnwnnwn"},
			{'C',	"wnwnnwnnnn"},
			{'D',	"nnnnwwnnwn"},
			{'E',	"wnnnwwnnnn"},
			{'F',	"nnwnwwnnnn"},
			{'G',	"nnnnnwwnwn"},
			{'H',	"wnnnnwwnnn"},
			{'I',	"nnwnnwwnnn"},
			{'J',	"nnnnwwwnnn"},
			{'K',	"wnnnnnnwwn"},
			{'L',	"nnwnnnnwwn"},
			{'M',	"wnwnnnnwnn"},
			{'N',	"nnnnwnnwwn"},
			{'O',	"wnnnwnnwnn"},
			{'P',	"nnwnwnnwnn"},
			{'Q',	"nnnnnnwwwn"},
			{'R',	"wnnnnnwwnn"},
			{'S',	"nnwnnnwwnn"},
			{'T',	"nnnnwnwwnn"},
			{'U',	"wwnnnnnnwn"},
			{'V',	"nwwnnnnnwn"},
			{'W',	"wwwnnnnnnn"},
			{'X',	"nwnnwnnnwn"},
			{'Y',	"wwnnwnnnnn"},
			{'Z',	"nwwnwnnnnn"},
			{'-',	"nwnnnnwnwn"},
			{'.',	"wwnnnnwnnn"},
			{' ',	"nwwnnnwnnn"},
			{'*',	"nwnnwnwnnn"},
			{'$',	"nwnwnwnnnn"},
			{'/',	"nwnwnnnwnn"},
			{'+',	"nwnnnwnwnn"},
			{'%',	"nnnwnwnwnn"},
		};

		int i0,iNum0=sizeof(infs)/sizeof(infs[0]);
		int i1;
		for(i0=0;i0<iNum0;i0++)
		{
			IntString&inf=infs[i0];
			if(inf.ch==ch)
			{
				for(i1=0;i1<10;i1++)
				{
					if(inf.psz[i1]=='w')	
						*pb+=2;
					if(i1%2==0)			
						*pb+=1;
					pb++;
				}
				return pb;
			}
		}
		return 0;
	}
};