tcscan.cpp

通用的扫描仪测试接口

// TcScan.cpp : Defines the class behaviors for the application.
//

#include "stdafx.h"
#include "TcScan.h"
#include "TcScanDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////

PTcScan TcScan = NULL;						// 驱动扫描仪
PSelectScanner SelectScanner = NULL;		// 选择源设备

/////////////////////////////////////////////////////////////////////////////
// CTcScanApp

BEGIN_MESSAGE_MAP(CTcScanApp, CWinApp)
	//{{AFX_MSG_MAP(CTcScanApp)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code!
	//}}AFX_MSG
	ON_COMMAND(ID_HELP, CWinApp::OnHelp)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTcScanApp construction

CTcScanApp::CTcScanApp()
{
	// TODO: add construction code here,
	m_hTcScan = NULL;
	// Place all significant initialization in InitInstance
}

/////////////////////////////////////////////////////////////////////////////
// The one and only CTcScanApp object

CTcScanApp theApp;

/////////////////////////////////////////////////////////////////////////////
// CTcScanApp initialization

BOOL CTcScanApp::InitInstance()
{
	AfxEnableControlContainer();

	// Standard initialization
	// If you are not using these features and wish to reduce the size
	//  of your final executable, you should remove from the following
	//  the specific initialization routines you do not need.

#ifdef _AFXDLL
	Enable3dControls();			// Call this when using MFC in a shared DLL
#else
	Enable3dControlsStatic();	// Call this when linking to MFC statically
#endif

	CTcScanDlg dlg;
	m_pMainWnd = &dlg;

	m_hTcScan = LoadLibrary("TcScan.DLL");
	if(m_hTcScan != NULL)
	{
		TcScan = (PTcScan)GetProcAddress(m_hTcScan, "TcScan");
		SelectScanner = (PSelectScanner)GetProcAddress(m_hTcScan, "SelectScanner");
		if(TcScan == NULL || SelectScanner == NULL)
		{
			TcScan = NULL; SelectScanner = NULL;
			FreeLibrary(m_hTcScan); m_hTcScan=NULL;
		}
	}

	int nResponse = dlg.DoModal();
	if (nResponse == IDOK)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with OK
	}
	else if (nResponse == IDCANCEL)
	{
		// TODO: Place code here to handle when the dialog is
		//  dismissed with Cancel
	}

	if(m_hTcScan) {FreeLibrary(m_hTcScan); m_hTcScan=NULL;}
	// Since the dialog has been closed, return FALSE so that we exit the
	//  application, rather than start the application's message pump.
	return FALSE;
}

/////////////////////////////////////////////////////////////////////////////
// 本系统所用的全局变量及函数的定义(实现部分)
// CopyRight(C)   1996,2008   TCSY 公司
// Pentium Working Room   ShanChengKun   2004.04.04   更新
/////////////////////////////////////////////////////////////////////////////
//=== Begin ===============================================================//

// 以"与或"的方式使数据流面目全非或完璧归赵：写回自身
void CryptXOR(BYTE bySrc[], LONG nLen, BYTE byPatt)
{
	while((--nLen) >= 0) bySrc[nLen] ^= byPatt;
}

// 以"与或"的方式使数据流面目全非或完璧归赵：写到新串
void CryptXOR(BYTE byDes[], const BYTE bySrc[], LONG nLen, BYTE byPatt)
{
	memcpy(byDes, bySrc, nLen);
	while((--nLen) >= 0) byDes[nLen] ^= byPatt;
}

// 当前的操作系统是否是WindowsNT、Windows2000或WindowsXP系统
BOOL IsWindowsNT(void)
{
	OSVERSIONINFO OSVersionInfo;
	OSVersionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
	GetVersionEx(&OSVersionInfo);
	return (OSVersionInfo.dwPlatformId == VER_PLATFORM_WIN32_NT);
}

// 处理路径加or减"\\"，nCut==0 为加上"\\"
void HandleSckPath(char *pStr, int nCut)
{
	int nLen = lstrlen(pStr);
	if(pStr == NULL || nLen <= 0) return;
	char *p = pStr + nLen - 1;
	if(!nCut && *p != '\\') {*(++p) = '\\'; *(++p) = '\0';}
	else if(nCut && *p == '\\') *p = '\0';
}

// 检查给定的文件是否存在(若文件长度指针不为NULL则返回实际值)
BOOL IsFileExist(const char chFile[], DWORD *pLength)
{
	WIN32_FIND_DATA findData;
	HANDLE hFindFile = ::FindFirstFile(chFile, &findData);
	if(hFindFile == INVALID_HANDLE_VALUE) return FALSE;
	if(pLength != NULL) *pLength = findData.nFileSizeLow;
	::FindClose(hFindFile); return TRUE;
}

// 确认指定路径存在，尾部有无'\\'均可
BOOL MakeSurePath(const char chPath[])
{
	DWORD dwAttr = GetFileAttributes(chPath);
	if((dwAttr & FILE_ATTRIBUTE_DIRECTORY) &&
		dwAttr != (DWORD)(-1)) return TRUE;

	SetLastError(ERROR_SUCCESS);
	if(CreateDirectory(chPath, NULL) == FALSE)
	{
		if(GetLastError() != ERROR_ALREADY_EXISTS)
			return FALSE;
	}
	return TRUE;
}

// 确认给定文件所在的路径，以'\\'之前作为目录有效标识
BOOL MakeFilePath(const char chFile[])
{
	char chTemp[2048] = "", *pDes = chTemp;
	const char *pSrc = chFile;
	DWORD dwAttr = (DWORD)(-1);
	while(*pSrc != '\0')
	{
		*(pDes++) = *(pSrc++);
		if(*(pDes - 1) != '\\' || *(pDes - 2) == ':') continue;
		if(pDes - chTemp + 1 > 2048) break;
		*pDes = '\0';

		dwAttr = GetFileAttributes(chTemp);
		if((dwAttr & FILE_ATTRIBUTE_DIRECTORY) &&
			dwAttr != (DWORD)(-1)) continue;

		SetLastError(ERROR_SUCCESS);
		if(CreateDirectory(chTemp, NULL) == FALSE)
		{
			if(GetLastError() != ERROR_ALREADY_EXISTS)
				return FALSE;
		}
	}
	return TRUE;
}

// 将给定的二进制区保存成指定文件(自动确认文件路径)
BOOL SaveBinaryFile(const char *chFileName, const BYTE *pBuffData, DWORD dwBuffSize)
{
	if(!chFileName || !pBuffData || dwBuffSize < 1L) return FALSE;
	if(MakeFilePath(chFileName) == FALSE) return FALSE;
	SetFileAttributes(chFileName, FILE_ATTRIBUTE_ARCHIVE);
	HANDLE hFile = CreateFile(chFileName, GENERIC_WRITE, 0,
		NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_ARCHIVE, NULL);
	if(hFile == INVALID_HANDLE_VALUE) return FALSE;
	DWORD dwWritten = 0L;
	if(!WriteFile(hFile, pBuffData, dwBuffSize, &dwWritten, NULL) ||
			dwWritten != dwBuffSize)
		dwWritten = 0L;
	CloseHandle(hFile); return (dwWritten == dwBuffSize);
}

// 装载指定文件到给定的二进制区(自动确认使用内存)
BOOL LoadBinaryFile(const char *chFileName, BYTE *&pBuffData, DWORD &dwBuffSize)
{
	DWORD dwLength = 0L;
	if(IsFileExist(chFileName, &dwLength) == FALSE) return FALSE;
	if(dwLength < 1L) {dwBuffSize = 0L; return TRUE;}
	if(pBuffData == NULL || dwBuffSize != dwLength)
		{if(pBuffData) delete[] pBuffData; pBuffData = new BYTE[dwLength];}
	if(!pBuffData) return FALSE; dwBuffSize = dwLength;
	HANDLE hFile = CreateFile(chFileName, GENERIC_READ, FILE_SHARE_READ |
		FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_ARCHIVE, NULL);
	if(hFile == INVALID_HANDLE_VALUE || !ReadFile(hFile, pBuffData, dwLength,
		&dwBuffSize, NULL) || dwBuffSize != dwLength)
		{delete[] pBuffData; pBuffData = NULL; dwBuffSize = 0L;}
	CloseHandle(hFile); return (dwBuffSize == dwLength);
}

// 将内部的资源文件导出为二进制的文件
BOOL ExportResAsBinFile(LPCTSTR lpFile, HMODULE hModule, DWORD dwName, LPCTSTR lpType)
{
	if(!lpFile || !hModule || !lpType) return FALSE;
	BOOL bSuccess = FALSE;
	HRSRC hRes = FindResource(hModule, MAKEINTRESOURCE(dwName), lpType);
	DWORD dwSize = SizeofResource(hModule, hRes);
	HGLOBAL hMem = LoadResource(hModule, hRes);
	BYTE *pData = (BYTE *)LockResource(hMem);
	if(pData && dwSize > 0) bSuccess = SaveBinaryFile(lpFile, pData, dwSize);
	FreeResource(hMem); return bSuccess;
}

// 自定义信息框的加密后标题，可以防止客户简单方法改标题
static const BYTE MsgBoxTitle[] =
{
	0xAD, 0x8A, 0x26, 0x03, 0x88, 0xC2, 0xF0, 0x21, 0x81, 0xD3,
	0x97, 0xB2, 0xA2, 0xCD, 0x0B, 0x04, 0x14, 0xE0, 0x5C, 0x47,
	0x8E, 0xAB, 0xCC, 0xD0, 0x3F, 0x75, 0x76, 0x1B, 0x36, 0xEF,
	0x11, 0x9B, 0xD1, 0xAF, 0x5D, 0x00
};

// 系统用信息对话框：窗口句柄，按钮类型，信息字符串
int MsgBox(HWND hWnd, UINT utype, const char *chfmt, ...)
{
	char chbuff[888] = "";
	va_list argptr;
	va_start(argptr, chfmt);
	vsprintf(chbuff, chfmt, argptr);
	va_end(argptr);

	BYTE byKeys[sizeof(DATA_KEYS)];
	CryptXOR(byKeys, DATA_KEYS, sizeof(DATA_KEYS));
	char chTitle[sizeof(MsgBoxTitle)];
	memcpy(chTitle, MsgBoxTitle, sizeof(MsgBoxTitle));
	SckDesBin(1, (BYTE *)chTitle, sizeof(MsgBoxTitle), byKeys);
	return (MessageBox(hWnd, chbuff, chTitle, utype));
}

// 精度为毫秒级的延迟函数(不采用inline方式)
void SckMsDelay(DWORD dwDelay)
{
	register DWORD dwStart = GetTickCount();
	for(;;)
	{
		if(GetTickCount() - dwStart >= dwDelay) break;
	}
}

//--- Static CRC table : 静态CRC32表 --------------------------------------//

static const DWORD Crc32Table[256] =
{
	0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA,
	0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3,
	0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988,
	0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91,
	0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE,
	0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7,
	0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC,
	0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5,
	0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172,
	0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B,
	0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940,
	0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59,
	0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116,
	0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F,
	0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924,
	0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D,

	0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A,
	0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433,
	0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818,
	0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01,
	0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E,
	0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457,
	0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C,
	0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65,
	0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2,
	0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB,
	0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0,
	0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9,
	0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086,
	0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F,
	0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4,
	0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD,

	0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A,
	0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683,
	0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8,
	0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1,
	0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE,
	0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7,
	0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC,
	0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5,
	0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252,
	0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B,
	0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60,
	0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79,
	0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236,
	0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F,