printbearingdlg.cpp

MFC程序开发参考大全 【明日科技】宋坤 刘锐宁 李伟明 【丛 书 名】 软件工程师典藏 【出 版 社】 人民邮电出版社 本书详细介绍了MFC框架中所有常用类及控件的应用

// PrintBearingDlg.cpp : implementation file
//

#include "stdafx.h"
#include "PrintBearing.h"
#include "PrintBearingDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CPrintBearingDlg dialog

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

void CPrintBearingDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CPrintBearingDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CPrintBearingDlg, CDialog)
	//{{AFX_MSG_MAP(CPrintBearingDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_CTLCOLOR()
	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
	ON_BN_CLICKED(IDC_BUTTON2, OnButton2)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CPrintBearingDlg message handlers

BOOL CPrintBearingDlg::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
	str[0] = "花开可要欣赏，然后就去远行。";
	str[1] = "惟有不等花谢，才能记得花红。";
	str[2] = "有酒可要满饮，然后就去远行。";
	str[3] = "惟有不等大醉，才能觉得微酲。";
	str[4] = "有情可要恋爱，然后就去远行。";
	str[5] = "惟有恋得短暂，才能爱得永恒。";
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CPrintBearingDlg::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 CPrintBearingDlg::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();
	}
	CDC* pDC = GetDC();
	screenx = pDC->GetDeviceCaps(LOGPIXELSX);
	screeny = pDC->GetDeviceCaps(LOGPIXELSY);
	Draw(pDC,FALSE);
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CPrintBearingDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

HBRUSH CPrintBearingDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor) 
{
	HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor);
	
	// TODO: Change any attributes of the DC here
	CBrush m_brush (RGB(255,255,255));	
	CRect m_rect;
	GetClientRect(m_rect);
	pDC->FillRect(m_rect,&m_brush);
	// TODO: Return a different brush if the default is not desired
	return m_brush;
}

void CPrintBearingDlg::Draw(CDC *pDC, BOOL isprinted)
{
	TextFont.CreatePointFont(150,"宋体",pDC);
	double ratex,ratey;
	if(!isprinted) //预览
	{
		ratex = 1;
		ratey = 1;
	}
	else //打印
	{
		int printx,printy;
		printx = pDC->GetDeviceCaps(LOGPIXELSX);
		printy = pDC->GetDeviceCaps(LOGPIXELSY);
		ratex = (double)(printx)/screenx;
		ratey = (double)(printy)/screeny;
		pDC->StartDoc("print");
	}
	pDC->SelectObject(&TextFont);
	for(int i=0;i<6;i++)
	{
		pDC->TextOut(int(100*ratex),int((30+i*40)*ratey),str[i]);
	}
	if(isprinted)
	{
		pDC->EndDoc();
	}
	TextFont.DeleteObject();
}

void CPrintBearingDlg::SetPrint(BOOL isway)
{
	DWORD dwflags=PD_ALLPAGES | PD_NOPAGENUMS | PD_USEDEVMODECOPIES
 		| PD_SELECTION | PD_HIDEPRINTTOFILE; 
 	CPrintDialog dlg(false,dwflags,NULL);
 	if(dlg.DoModal() == IDOK)
 	{
 		LPDEVMODE dev = dlg.GetDevMode();
 		dev->dmFields = DM_PAPERSIZE | DM_PAPERWIDTH 
 					| DM_PAPERLENGTH | dev->dmFields;
 		dev->dmFields = dev->dmFields | DMBIN_MANUAL;
 		dev->dmDefaultSource = DMBIN_MANUAL;
		if(isway)
 			dev->dmOrientation = DMORIENT_PORTRAIT;
		else
			dev->dmOrientation = DMORIENT_LANDSCAPE;
 		char aa[32] = "自定义";		
 		strcpy((char*)dev->dmFormName,aa);
 
 		CDC dc;
 		dc.Attach(dlg.CreatePrinterDC());
		Draw(&dc,TRUE);
 	}
}

void CPrintBearingDlg::OnButton1() 
{
	SetPrint(FALSE);
}

void CPrintBearingDlg::OnButton2() 
{
	SetPrint(TRUE);
}