www.pudn.com > ScanDlg.rar > TcScanDlg.cpp

// TcScanDlg.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "TcScan.h" 
#include "TcScanDlg.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CAboutDlg dialog used for App About 
 
class CAboutDlg : public CDialog 
{ 
public: 
	CAboutDlg(); 
 
// Dialog Data 
	//{{AFX_DATA(CAboutDlg) 
	enum { IDD = IDD_ABOUTBOX }; 
	//}}AFX_DATA 
 
	// ClassWizard generated virtual function overrides 
	//{{AFX_VIRTUAL(CAboutDlg) 
	protected: 
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support 
	//}}AFX_VIRTUAL 
 
// Implementation 
protected: 
	//{{AFX_MSG(CAboutDlg) 
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point); 
	//}}AFX_MSG 
	DECLARE_MESSAGE_MAP() 
}; 
 
CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) 
{ 
	//{{AFX_DATA_INIT(CAboutDlg) 
	//}}AFX_DATA_INIT 
} 
 
void CAboutDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CAboutDlg) 
	//}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) 
	//{{AFX_MSG_MAP(CAboutDlg) 
	ON_WM_LBUTTONDOWN() 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
void CAboutDlg::OnLButtonDown(UINT nFlags, CPoint point)  
{ 
	CDialog::OnLButtonDown(nFlags, point); 
	PostMessage(WM_NCLBUTTONDOWN, HTCAPTION, MAKELPARAM(point.x, point.y)); 
} 
 
///////////////////////////////////////////////////////////////////////////// 
// CTcScanDlg dialog 
 
// 截去给定路径文件名的扩展名及符号. 
void CutExtName(char *chFile) 
{ 
	if(!chFile || !chFile[0]) return; 
	int nLen = lstrlen(chFile); 
	for(int i=nLen-1; i>=0; i--) 
	{ 
		if(chFile[i] == '\\') break; 
		if(chFile[i] == '.') {chFile[i] = '\0'; break;} 
	} 
} 
 
// 为给定的路径加上扫描保存标识 
void AddScanID(char *chFile) 
{ 
	if(!chFile) return; 
	const char chID[] = "TcScan"; 
	int k = lstrlen(chFile) - 1; 
	if(k < 0) lstrcpy(chFile, chID); 
	else if(chFile[k] == ':' || chFile[k] == '\\') 
		lstrcpy(&chFile[k + 1], chID); 
} 
 
CTcScanDlg::CTcScanDlg(CWnd* pParent /*=NULL*/) 
	: CDialog(CTcScanDlg::IDD, pParent) 
{ 
	//{{AFX_DATA_INIT(CTcScanDlg) 
	m_bCheckScanner = FALSE; 
	m_nScanOperate = 0; 
	m_nSlctPageSize = 1; 
	m_nImageColor = 1; 
	m_nScanWidth = 210; 
	m_nScanTop = 0; 
	m_nScanLeft = 0; 
	m_nScanHeight = 297; 
	m_nScanBright = 0; 
	m_nScanContrast = 0; 
	m_nScanDPI = 400; 
	//}}AFX_DATA_INIT 
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 
	GetModuleFileName(NULL, m_chSaveAs, MAX_PATH); 
	CutExtName(m_chSaveAs); AddScanID(m_chSaveAs); 
	m_chInfoBuff[0] = '\0'; 
	m_bDriverGood = FALSE; 
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); 
} 
 
void CTcScanDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CTcScanDlg) 
	DDX_Check(pDX, IDC_CHECK_SCANNER, m_bCheckScanner); 
	DDX_Radio(pDX, IDC_SCAN_OPERATE, m_nScanOperate); 
	DDX_CBIndex(pDX, IDC_SLCT_PAGESIZE, m_nSlctPageSize); 
	DDX_Radio(pDX, IDC_IMAGE_COLOR, m_nImageColor); 
	DDX_Text(pDX, IDC_EDIT_WIDTH, m_nScanWidth); 
	DDV_MinMaxInt(pDX, m_nScanWidth, 1, 1000); 
	DDX_Text(pDX, IDC_EDIT_TOP, m_nScanTop); 
	DDV_MinMaxInt(pDX, m_nScanTop, 0, 999); 
	DDX_Text(pDX, IDC_EDIT_LEFT, m_nScanLeft); 
	DDV_MinMaxInt(pDX, m_nScanLeft, 0, 999); 
	DDX_Text(pDX, IDC_EDIT_HEIGHT, m_nScanHeight); 
	DDV_MinMaxInt(pDX, m_nScanHeight, 1, 1000); 
	DDX_Text(pDX, IDC_EDIT_BRIGHT, m_nScanBright); 
	DDV_MinMaxInt(pDX, m_nScanBright, 0, 1000); 
	DDX_Text(pDX, IDC_EDIT_CONTRAST, m_nScanContrast); 
	DDV_MinMaxInt(pDX, m_nScanContrast, 0, 1000); 
	DDX_Text(pDX, IDC_EDIT_DPI, m_nScanDPI); 
	DDV_MinMaxInt(pDX, m_nScanDPI, 1, 5000); 
	//}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CTcScanDlg, CDialog) 
	//{{AFX_MSG_MAP(CTcScanDlg) 
	ON_WM_SYSCOMMAND() 
	ON_WM_PAINT() 
	ON_WM_QUERYDRAGICON() 
	ON_WM_LBUTTONDOWN() 
	ON_BN_CLICKED(IDC_BUTT_SLCTFILE, OnButtSlctfile) 
	ON_WM_CTLCOLOR() 
	ON_BN_CLICKED(IDC_BUTT_SCANNER, OnButtScanner) 
	ON_WM_TIMER() 
	ON_CBN_SELCHANGE(IDC_SLCT_PAGESIZE, OnSelchangeSlctPagesize) 
	ON_BN_CLICKED(IDC_BUTT_DEFAULT, OnButtDefault) 
	ON_WM_DESTROY() 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CTcScanDlg message handlers 
 
// 定时器自动恢复时间到 
void CTcScanDlg::OnTimer(UINT nIDEvent)  
{ 
	if(nIDEvent == ID_STATUS_TIMER) 
	{ 
		KillTimer(ID_STATUS_TIMER); 
		if(m_bDriverGood) MsgOut(ALL_RIGHT_STRING); 
		else MsgOut(GetErrorInfo(Err_TcScan_Dll)); 
	} 
	CDialog::OnTimer(nIDEvent); 
} 
 
// 用sprintf语法将信息写入状态条 
void CTcScanDlg::MsgOut(const char *fmt, ...) 
{ 
	KillTimer(ID_STATUS_TIMER); 
	va_list argptr; 
	va_start(argptr, fmt); 
	vsprintf(m_chInfoBuff, fmt, argptr); 
	va_end(argptr); 
	SetDlgItemText(IDC_STATE_BAR, m_chInfoBuff); 
	SetTimer(ID_STATUS_TIMER, 8000, NULL); 
} 
 
// 用sprintf语法将信息写入状态条 
void CTcScanDlg::TimeOut(const char *fmt, ...) 
{ 
	va_list argptr; 
	va_start(argptr, fmt); 
	vsprintf(m_chInfoBuff, fmt, argptr); 
	va_end(argptr); 
	SetDlgItemText(IDC_TIMER_CNT, m_chInfoBuff); 
} 
 
// 关闭对话框 
void CTcScanDlg::OnDestroy()  
{ 
	KillTimer(ID_STATUS_TIMER); 
	CDialog::OnDestroy(); 
} 
 
// 初始化对话框 
BOOL CTcScanDlg::OnInitDialog() 
{ 
	CDialog::OnInitDialog(); 
 
	// Add "About..." menu item to system menu. 
 
	// IDM_ABOUTBOX must be in the system command range. 
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); 
	ASSERT(IDM_ABOUTBOX < 0xF000); 
 
	CMenu* pSysMenu = GetSystemMenu(FALSE); 
	if (pSysMenu != NULL) 
	{ 
		CString strAboutMenu; 
		strAboutMenu.LoadString(IDS_ABOUTBOX); 
		if (!strAboutMenu.IsEmpty()) 
		{ 
			pSysMenu->AppendMenu(MF_SEPARATOR); 
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); 
		} 
	} 
 
	// Set the icon for this dialog.  The framework does this automatically 
	//  when the application's main window is not a dialog 
	SetIcon(m_hIcon, TRUE);			// Set big icon 
	SetIcon(m_hIcon, FALSE);		// Set small icon 
 
	// TODO: Add extra initialization here 
	m_bDriverGood = (BOOL)(TcScan && SelectScanner); 
	if(m_bDriverGood) MsgOut(ALL_RIGHT_STRING); 
	else MsgOut(GetErrorInfo(Err_TcScan_Dll)); 
	SetDlgItemText(IDC_SCAN_FILE, m_chSaveAs); 
	m_BackBrush.CreateSolidBrush(RGB(0xA5, 0xCB, 0xF7)); 
 
	return TRUE;  // return TRUE  unless you set the focus to a control 
} 
 
void CTcScanDlg::OnSysCommand(UINT nID, LPARAM lParam) 
{ 
	if ((nID & 0xFFF0) == IDM_ABOUTBOX) 
	{ 
		CAboutDlg dlgAbout; 
		dlgAbout.DoModal(); 
	} 
	else 
	{ 
		CDialog::OnSysCommand(nID, lParam); 
	} 
} 
 
// If you add a minimize button to your dialog, you will need the code below 
//  to draw the icon.  For MFC applications using the document/view model, 
//  this is automatically done for you by the framework. 
 
void CTcScanDlg::OnPaint()  
{ 
	if (IsIconic()) 
	{ 
		CPaintDC dc(this); // device context for painting 
 
		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); 
 
		// Center icon in client rectangle 
		int cxIcon = GetSystemMetrics(SM_CXICON); 
		int cyIcon = GetSystemMetrics(SM_CYICON); 
		CRect rect; 
		GetClientRect(&rect); 
		int x = (rect.Width() - cxIcon + 1) / 2; 
		int y = (rect.Height() - cyIcon + 1) / 2; 
 
		// Draw the icon 
		dc.DrawIcon(x, y, m_hIcon); 
	} 
	else 
	{ 
		CDialog::OnPaint(); 
	} 
} 
 
// The system calls this to obtain the cursor to display while the user drags 
//  the minimized window. 
HCURSOR CTcScanDlg::OnQueryDragIcon() 
{ 
	return (HCURSOR) m_hIcon; 
} 
 
// 屏蔽Esc键，不与响应 
BOOL CTcScanDlg::PreTranslateMessage(MSG* pMsg)  
{ 
	if(pMsg->message == WM_KEYDOWN) 
	{ 
		switch(pMsg->wParam) 
		{ 
		case VK_ESCAPE: return TRUE; 
		} 
	} 
	return CDialog::PreTranslateMessage(pMsg); 
} 
 
// 点击左键，可以移动窗体 
void CTcScanDlg::OnLButtonDown(UINT nFlags, CPoint point)  
{ 
	CDialog::OnLButtonDown(nFlags, point); 
	PostMessage(WM_NCLBUTTONDOWN, HTCAPTION, MAKELPARAM(point.x, point.y)); 
} 
 
// 改变对话框的背景色(淡蓝色) 
HBRUSH CTcScanDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)  
{ 
	if(nCtlColor == CTLCOLOR_DLG) 
		return ((HBRUSH)m_BackBrush.GetSafeHandle()); 
	return CDialog::OnCtlColor(pDC, pWnd, nCtlColor); 
} 
 
///////////////////////////////////////////////////////////////////////////// 
 
// 用户决定使用默认的扫描参数 
void CTcScanDlg::OnButtDefault()  
{ 
	m_bCheckScanner = FALSE; 
	m_nScanOperate = 0; 
	m_nSlctPageSize = 1; 
	m_nImageColor = 1; 
	m_nScanWidth = 210; 
	m_nScanTop = 0; 
	m_nScanLeft = 0; 
	m_nScanHeight = 297; 
	m_nScanBright = 0; 
	m_nScanContrast = 0; 
	m_nScanDPI = 400; 
	UpdateData(FALSE); 
	if(m_bDriverGood) MsgOut(ALL_RIGHT_STRING); 
	else MsgOut(GetErrorInfo(Err_TcScan_Dll)); 
} 
 
// 用户使用标准纸张大小置宽和高 
void CTcScanDlg::OnSelchangeSlctPagesize()  
{ 
	if(!UpdateData(TRUE)) return; 
	m_nScanWidth = g_nScanWidth[m_nSlctPageSize]; 
	m_nScanHeight = g_nScanHeight[m_nSlctPageSize]; 
	UpdateData(FALSE); 
} 
 
// 选择扫描后的图像输出目录及标识 
void CTcScanDlg::OnButtSlctfile()  
{ 
	CFileDialog fd(FALSE, NULL, m_chSaveAs, OFN_HIDEREADONLY | OFN_OVERWRITEPROMPT, 
		"All files (*.*)|*.*||"); 
	if(fd.DoModal() != IDOK) return;				// 用户已经取消 
	lstrcpy(m_chSaveAs, fd.GetPathName()); 
	CutExtName(m_chSaveAs); AddScanID(m_chSaveAs); 
	SetDlgItemText(IDC_SCAN_FILE, m_chSaveAs);		// 显示所选路径 
} 
 
// 用户要选择扫描仪设备 
void CTcScanDlg::OnButtScanner()  
{ 
	if(!m_bDriverGood) {MsgOut(GetErrorInfo(Err_TcScan_Dll)); return;} 
	long nReturn = SelectScanner();					// 选择扫描仪设备 
	if(nReturn >= 0) MsgOut("信息：成功地选择并设置了新的扫描仪设备！"); 
	else MsgOut(GetErrorInfo(-nReturn)); 
} 
 
// 用户开始按给定方式启动扫描过程 
void CTcScanDlg::OnOK()  
{ 
	if(!m_bDriverGood) {MsgOut(GetErrorInfo(Err_TcScan_Dll)); return;} 
	if(!UpdateData(TRUE)) return; CScanSetInfo ScanSet; 
	ScanSet.hMainWnd = (long)m_hWnd;				// 配置扫描参数 
	ScanSet.bSelect = m_bCheckScanner ? 1 : 0; 
	ScanSet.nScanning = m_nScanOperate; 
	memcpy(ScanSet.nReserved, "ILOVEYOUSCK&ZHNN", 16); 
 
	MsgOut("信息：正在进行扫描，请您稍候..."); 
	TimeOut("用时：0.0秒");							// 计时开始 
	clock_t tmStart = clock(); 
	long nReturn = TcScan(m_chSaveAs,				// 保存路径 
		m_nImageColor,								// 扫描色阶 
		(long)(&ScanSet),							// 附加信息 
		m_nScanLeft, m_nScanTop,					// 左上角坐标 
		m_nScanWidth, m_nScanHeight,				// 扫描区域面积 
		m_nScanDPI, m_nScanBright, m_nScanContrast);// 分辨率、亮度、对对度 
	float tmDur = (float)(clock() - tmStart) / CLOCKS_PER_SEC; 
	TimeOut("用时：%2.1f秒", tmDur);				// 统计用时 
 
	if(nReturn < 0)									// 扫描过程异常 
	{ 
		MsgOut("%s 已扫描 %d 张", GetErrorInfo(-nReturn), 
			ScanSet.nReserved[0]); return; 
	} 
	else if(nReturn > 0)							// 扫描操作成功 
	{ 
		char chOld[MAX_PATH] = "", chNew[MAX_PATH] = ""; 
		lstrcpy(chOld, m_chSaveAs); lstrcpy(chNew, m_chSaveAs); 
		long i = 0, nLen = lstrlen(m_chSaveAs); 
 
		for(i=1; i<=nReturn; i++)					// 改文件扩展名 
		{ 
			sprintf(&chOld[nLen], ".%d", i); 
			sprintf(&chNew[nLen], "_%d.bmp", i); 
			SetFileAttributes(chNew, FILE_ATTRIBUTE_ARCHIVE); 
			DeleteFile(chNew); CFile::Rename(chOld, chNew); 
		} 
		MsgOut("信息：成功地扫描了 %d 幅图象！", nReturn); 
	}		// 在TcScan.DLL中已经处理了，nReturn绝不会等于0的。 
} 
 
/////////////////////////////////////////////////////////////////////////////