www.pudn.com > ScanDlg.rar > TcScan.cpp
// 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,
0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04,
0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D,
0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A,
0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713,
0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38,
0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21,
0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E,
0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777,
0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C,
0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45,
0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2,
0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB,
0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0,
0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9,
0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6,
0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF,
0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94,
0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D,
};
// 给定一个数据区及其长度，求出它的CRC32检验码
DWORD GenerateCRC32(const BYTE *pData, long nLength)
{
if(!pData) return 0L;
DWORD dwCrc32 = 0xFFFFFFFF;
while((nLength--) > 0)
{
dwCrc32 = (dwCrc32 >> 8) ^ Crc32Table[(*pData++) ^ (dwCrc32 & 0xFF)];
}
return (~dwCrc32);
}
// 创建绘制256色BMP位图所需要的信息头和调色板
BOOL CreateSCKPalette(CBitmapInfo &bmi, CPalette &cPal, short nWide, short nHigh)
{
WORD wNumColors = 256; // 调色板颜色数目
bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);// 信息头大小
bmi.bmiHeader.biWidth = nWide; // 图像宽度
bmi.bmiHeader.biHeight = nHigh; // 图像高度
bmi.bmiHeader.biPlanes = 1; // 必须为1
bmi.bmiHeader.biBitCount = 8; // 8位，256色
bmi.bmiHeader.biCompression = 0; // 数据不压缩
bmi.bmiHeader.biSizeImage = 0; // 不压缩时可以为0
bmi.bmiHeader.biXPelsPerMeter = 0; // 设备水平分辨率
bmi.bmiHeader.biYPelsPerMeter = 0; // 设备垂直分辨率
bmi.bmiHeader.biClrUsed = 0; // 2^biBitCount为0
bmi.bmiHeader.biClrImportant = 0; // 所有的都重要为0
for(WORD i = 0; i < wNumColors; i++) // 创建BMP调色板
{
bmi.bmiColors[i].rgbBlue = (BYTE) i; // 读取红色分量
bmi.bmiColors[i].rgbGreen = (BYTE) i; // 读取绿色分量
bmi.bmiColors[i].rgbRed = (BYTE) i; // 读取蓝色分量
bmi.bmiColors[i].rgbReserved = (BYTE) 0; // 保留位置为零
}
// 分配为逻辑256色调色板内存
HANDLE hLogPal = ::GlobalAlloc(GHND, sizeof(LOGPALETTE)
+ sizeof(PALETTEENTRY) * wNumColors);
if(hLogPal == NULL) return FALSE;
LPLOGPALETTE lpLogPal = (LPLOGPALETTE) ::GlobalLock((HGLOBAL)hLogPal);
if(lpLogPal == NULL) return FALSE;
lpLogPal->palVersion = 0x300; // 设置版本号
lpLogPal->palNumEntries = wNumColors; // 设置颜色数目
for(WORD j = 0; j < wNumColors; j++) // 读取调色板
{
lpLogPal->palPalEntry[i].peRed = (BYTE) j;// 读取红色分量
lpLogPal->palPalEntry[i].peGreen = (BYTE) j;// 读取绿色分量
lpLogPal->palPalEntry[i].peBlue = (BYTE) j;// 读取蓝色分量
lpLogPal->palPalEntry[i].peFlags = (BYTE) 0;// 保留位置为零
}
// 按照逻辑调色板创建调色板，并返回指针
BOOL bResult = cPal.CreatePalette(lpLogPal); // 创建新调色板
::GlobalUnlock((HGLOBAL) hLogPal); // 解除锁定
::GlobalFree((HGLOBAL) hLogPal); // 释放逻辑调色板
return bResult; // 返回创建结果
}
//-------------------------------------------------------------------------//
// 获取数据区的标识信息头：同时进行校验，若需要就返回原文件名称
static BOOL GetFilePackHeader(const BYTE *pSrc, LONG nSrcLen,
SFilePackHeader *pHeader = NULL,
char *chName = NULL) // 提取原文件名
{
if(!pSrc || nSrcLen <= sizeof(SFilePackHeader)) return FALSE;
SFilePackHeader tHeader; // 临时文件标头
memcpy(&tHeader, pSrc, sizeof(SFilePackHeader));// 文件标头校验
if(!tHeader.DecodePack() || nSrcLen != (LONG)(tHeader.headSize + \
tHeader.nameSize + tHeader.dataSize)) return FALSE;
const BYTE *pCurr = pSrc + sizeof(SFilePackHeader);
if(chName != NULL && tHeader.nameSize > 1) // 要返回文件名
{
memcpy(chName, pCurr, tHeader.nameSize);
CryptXOR((BYTE *)chName, tHeader.nameSize);
chName[tHeader.nameSize - 1] = '\0'; // 强制末尾为零
}
pCurr += tHeader.nameSize; // 数据区首位置
if(GenerateCRC32(pCurr, tHeader.dataSize) != tHeader.dataChck)
return FALSE; // 校验数据失败
if(pHeader) *pHeader = tHeader; return TRUE; // 是有效压缩区
}
// 压缩/解压缩指定的数据包，写到指定的文件，chName压缩时用(可选)
static BOOL DeinFlateFilePack(BYTE bStyle, const BYTE *pSrc, LONG nSrcLen,
const char chFile[], const char *chName = NULL)
{
if(!pSrc || nSrcLen < 1) return FALSE; // 校验入口参数
CMemMapFile desFile; BYTE *pDes = NULL; // 创建目标文件
CSckLzw sckLzw; // 压解缩算法类
MakeFilePath(chFile); // 确认目标路径
SetFileAttributes(chFile, FILE_ATTRIBUTE_ARCHIVE);
DeleteFile(chFile); // 确认目标不在
SFilePackHeader sHeader;
if(bStyle == 0) // 压缩源数据区
{
DWORD nmSz = chName ? (DWORD)(lstrlen(chName) + 1) : 0L;
DWORD ogSz = (DWORD)nSrcLen; // 原文件的长度
DWORD ogCk = GenerateCRC32(pSrc, (LONG)ogSz);// 原文件校验码
DWORD dtSz = 0L, dtCk = 0L; // 其它标头参数
DWORD dwSum = sizeof(sHeader) + nmSz + ogSz * 2 + 2048;
pDes = (BYTE *)desFile.CreateNewFile(chFile, dwSum);
if(pDes == NULL) return FALSE; // 映象文件失败
memset(pDes, 0x00, dwSum); // 以零填充区域
BYTE *pCurr = pDes + sizeof(sHeader);
if(nmSz > 0) // 拷贝源文件名
{
memcpy(pCurr, chName, nmSz); // 先复制到目地
CryptXOR(pCurr, nmSz); // 对原值来解密
}
pCurr += nmSz; // 依名字长步进
dtSz = sckLzw.LZW_Encode(pSrc, ogSz, pCurr);// 编码到新文件
dtCk = GenerateCRC32(pCurr, dtSz); // 生成数据校验
sHeader.EncodePack(nmSz, ogSz, ogCk, dtSz, dtCk);
*((SFilePackHeader *)pDes) = sHeader; // 生成新文件头
dwSum = sizeof(sHeader) + nmSz + dtSz; // 目标文件总长
desFile.CloseSizeFile(dwSum); // 等大结束目标
return TRUE; // 成功保存文件
}
else // 解压源数据区
{
if(nSrcLen <= sizeof(SFilePackHeader)) return FALSE;
sHeader = *((SFilePackHeader *)pSrc); // 分析文件标头
if(!sHeader.DecodePack() || nSrcLen != (LONG)(sHeader.headSize
+ sHeader.nameSize + sHeader.dataSize)) return FALSE;
const BYTE *pCurr = pSrc + sHeader.headSize + sHeader.nameSize;
if(sHeader.dataChck != GenerateCRC32(pCurr, sHeader.dataSize))
return FALSE; // 数据校验失败
pDes = (BYTE *)desFile.CreateNewFile(chFile, sHeader.orgzSize);
if(pDes == NULL) return FALSE; // 映象文件失败
memset(pDes, 0x00, sHeader.orgzSize); // 以零填充区域
DWORD dwRet = sckLzw.LZW_Decode(pCurr, pDes);// 解码到新文件
if(dwRet != sHeader.orgzSize) return FALSE; // 校验生成结果
if(sHeader.orgzChck != GenerateCRC32(pDes, dwRet)) return FALSE;
desFile.CloseSizeFile(sHeader.orgzSize); // 等大结束目标
return TRUE; // 成功保存文件
}
return FALSE; // 返回处理结果
}
// 获取系统回收站的路径，包含尾部的反斜杠'\\'，入口MAX_PATH长度
INT GetRecyclerDirectory(CHAR chPath[])
{
if(chPath == NULL) return 0L;
DWORD dwAttr = (DWORD)(-1); // -1表示有错误
BOOL bFind = FALSE;
BOOL bIsNT = IsWindowsNT();
char chTemp[2][MAX_PATH] = {"", ""};
CryptXOR((BYTE *)chTemp[0], PATH_BASE_NT, sizeof(PATH_BASE_NT));
CryptXOR((BYTE *)chTemp[1], PATH_BASE_9X, sizeof(PATH_BASE_9X));
int nWhich = bIsNT ? 0 : 1; // 正常默认查找
dwAttr = GetFileAttributes(chTemp[nWhich]);
bFind = ((dwAttr & FILE_ATTRIBUTE_DIRECTORY) && dwAttr != (DWORD)(-1));
if(bFind == FALSE) // 调换名称再查
{
nWhich = bIsNT ? 1 : 0;
dwAttr = GetFileAttributes(chTemp[nWhich]);
bFind = ((dwAttr & FILE_ATTRIBUTE_DIRECTORY) && dwAttr != (DWORD)(-1));
}
if(bFind == FALSE) // 创建对应目标
{
nWhich = bIsNT ? 0 : 1;
SetFileAttributes(chTemp[nWhich], FILE_ATTRIBUTE_ARCHIVE);
DeleteFile(chTemp[nWhich]); // 确认没有文件
SetLastError(ERROR_SUCCESS);
bFind = (CreateDirectory(chTemp[nWhich], NULL) || (GetLastError() == \
ERROR_ALREADY_EXISTS));
}
INT nLen = 0L; // 获取临时路径
if(bFind == FALSE) nLen = (INT)GetTempPath(MAX_PATH, chPath);
else {lstrcpy(chPath, chTemp[nWhich]); nLen = lstrlen(chPath);}
if(nLen < 1) {lstrcpy(chPath, "C:\\"); nLen = 3L;}
else if(chPath[nLen - 1] != '\\') {chPath[nLen++] = '\\'; \
chPath[nLen] = '\0';} // 确认尾部'\\'
SetFileAttributes(chPath, FILE_ATTRIBUTE_SYSTEM | \
FILE_ATTRIBUTE_HIDDEN); return nLen; // 系统隐藏长度
}
// 将内部压缩的资源数据导出为驱动程序文件
BOOL ExportZipResToDrvFile(DWORD dwName, LPCTSTR lpType, CHAR *chFile)
{
HMODULE hModule = AfxGetResourceHandle(); // 本地资源句柄
if(!hModule || !lpType || !chFile) return FALSE;
HRSRC hRes = FindResource(hModule, MAKEINTRESOURCE(dwName), lpType);
LONG nSize = (LONG)SizeofResource(hModule, hRes);
HGLOBAL hMem = LoadResource(hModule, hRes); // 加载目标资源
BYTE *pSource = (BYTE *)LockResource(hMem);
if(!pSource || nSize < 1) return FALSE; // 锁定内存失败
SFilePackHeader sHeader;
char chPath[MAX_PATH], chName[MAX_PATH] = "";
BOOL bSuccess = FALSE; // 导出结果标志
if(GetFilePackHeader(pSource, nSize, &sHeader, chName) && chName[0])
{
int nLen = GetRecyclerDirectory(chPath); // 取回收站路径
lstrcpy(&chPath[nLen], chName); // 生成文件名称
DWORD dwFileSize = 0L;
if(IsFileExist(chPath, &dwFileSize) && dwFileSize)
{
const BYTE *pMap = NULL; // 校验已有文件
CMemMapFile mapFile;
if((pMap = (BYTE *)mapFile.OpenReadFile(chPath)) != NULL)
{
if(GenerateCRC32(pMap, dwFileSize) == \
sHeader.orgzChck) bSuccess = TRUE;
}
}
if(!bSuccess) bSuccess = DeinFlateFilePack(1, pSource, nSize, chPath);
SetFileAttributes(chPath, FILE_ATTRIBUTE_ARCHIVE |
FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM);
if(bSuccess) lstrcpy(chFile, chPath); // 返回生成文件
}
FreeResource(hMem); return bSuccess; // 释放临时资源
}
//-------------------------------------------------------------------------//
// 申请动态二维数组空间模板(申请块内存，DOS下有64K限制，简单数据类型)
BOOL NewByte(BYTE **&pImage, short nWide, short nHigh)
{
pImage = new BYTE*[nHigh]; // 申请行内存
if(pImage == NULL) return FALSE; // 申请块内存
BYTE *pBuffer = new BYTE[(long)nWide * (long)nHigh];
if(pBuffer == NULL) {delete[] pImage; pImage = NULL; return FALSE;}
for(register short j=0; j