barcodeprintdlg.cpp

来自「Visual C++ 的学习资料一」· C++ 代码 · 共 226 行

// BarcodeprintDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Barcodeprint.h"
#include "BarcodeprintDlg.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
	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)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CBarcodeprintDlg dialog

CBarcodeprintDlg::CBarcodeprintDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CBarcodeprintDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CBarcodeprintDlg)
	m_str = _T("");
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CBarcodeprintDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CBarcodeprintDlg)
	DDX_Text(pDX, IDC_EDIT1, m_str);
	DDX_Control(pDX, IDC_BARCODECTRL1, m_barcode);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CBarcodeprintDlg, CDialog)
	//{{AFX_MSG_MAP(CBarcodeprintDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_EN_CHANGE(IDC_EDIT1, OnChangeEdit1)
	ON_BN_CLICKED(IDC_BUTPRINT, OnButprint)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CBarcodeprintDlg message handlers

BOOL CBarcodeprintDlg::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
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}



void CBarcodeprintDlg::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 CBarcodeprintDlg::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 CBarcodeprintDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CBarcodeprintDlg::OnChangeEdit1() 
{
	// TODO: If this is a RICHEDIT control, the control will not
	// send this notification unless you override the CDialog::OnInitDialog()
	// function and call CRichEditCtrl().SetEventMask()
	// with the ENM_CHANGE flag ORed into the mask.
	
	// TODO: Add your control notification handler code here
	UpdateData(true);
	VARIANT newvalue;
	newvalue.vt = VT_BSTR;
	newvalue.bstrVal = m_str.AllocSysString();
	m_barcode.SetValue(newvalue);
}

void CBarcodeprintDlg::OnButprint() 
{
	// TODO: Add your control notification handler code here
	CPrintDialog dlg(false,PD_ALLPAGES | PD_USEDEVMODECOPIES |PD_RETURNDEFAULT
						| PD_NOPAGENUMS | PD_HIDEPRINTTOFILE | PD_NOSELECTION,this);
	m_barcode.SetBackColor(RGB(255,255,255));
	CDC dc;
	dc.Attach(m_barcode.GetDC()->m_hDC); //将dc关联到条形码句柄
	CRect rect;
	m_barcode.GetClientRect(rect); //获取条形码的客户区域
	rect.DeflateRect(1,1,1,1);
	screenx =  dc.GetDeviceCaps(LOGPIXELSX);
	screeny =  dc.GetDeviceCaps(LOGPIXELSY);
	if(dlg.DoModal()==IDOK)
	{
		CDC dcp;
		dcp.Attach(dlg.GetPrinterDC()); //将dcp关联到打印机句柄
		printx =  dcp.GetDeviceCaps(LOGPIXELSX);
		printy =  dcp.GetDeviceCaps(LOGPIXELSY);
		//确定打印机与屏幕的像素比
		ratex = (double)(printx)/screenx;
		ratey = (double)(printy)/screeny;
		dcp.SetBkMode(TRANSPARENT);
		dcp.StartDoc("StartDoc");
		dcp.StretchBlt(1,1,(int)(rect.Width()*ratex),(int)(rect.Height()*ratey),
						&dc,1,1,rect.Width(),rect.Height(),SRCCOPY);
		dcp.EndDoc();
	}
}