www.gusucode.com > C++ PrintText 用法源码示例-源码程序 > C++ PrintText 用法源码示例-源码程序/code/PrintTextDlg.cpp

    // PrintTextDlg.cpp : implementation file
// Download by http://www.NewXing.com

#include "stdafx.h"
#include "PrintText.h"
#include "PrintTextDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CPrintTextDlg dialog

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

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

BEGIN_MESSAGE_MAP(CPrintTextDlg, CDialog)
	//{{AFX_MSG_MAP(CPrintTextDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_BUTPRINT, OnButprint)
	ON_WM_CTLCOLOR()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CPrintTextDlg message handlers

BOOL CPrintTextDlg::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
	//设置打印文本
	str[0] = "花间一壶酒，独酌无相亲。\r\n";
	str[1] = "举杯邀明月，对影成三人。\r\n";
	str[2] = "月既不解饮，影徒随我身。\r\n";
	str[3] = "暂伴月将影，行乐须及春。\r\n";
	str[4] = "我歌月徘徊，我舞影凌乱。\r\n";
	str[5] = "醒时同交欢，醉后各分散。\r\n";
	str[6] = "永结无情游，相期渺云汉。\r\n";
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CPrintTextDlg::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 CPrintTextDlg::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);
	DrawText(pDC,FALSE);
}

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

void CPrintTextDlg::OnButprint() 
{
	// TODO: Add your control notification handler code here
	DWORD dwflags = PD_PAGENUMS|PD_HIDEPRINTTOFILE|PD_SELECTION;	//设置打印对话框风格
	CPrintDialog dlg(false,dwflags,NULL);									//创建打印对话框
	if (dlg.DoModal() == IDOK)												//是否按钮"打印"按钮
	{
		CDC dc;														//声明设备上下文
		dc.Attach(dlg.GetPrinterDC());										//获取打印机DC
		int leftmargin;
		leftmargin = dc.GetDeviceCaps(PHYSICALOFFSETX);
		CRect m_rect(-leftmargin,0,dc.GetDeviceCaps(PHYSICALWIDTH)-leftmargin
			,dc.GetDeviceCaps(PHYSICALHEIGHT));		
		DrawText(&dc,TRUE);
	}
}

void CPrintTextDlg::DrawText(CDC *pDC, BOOL IsPrint)
{
	if (!IsPrint) 											//预览
	{
		ratex = ratey = 1; 									//当预览时设置比率为1
	}
	else 												//判断是打印
	{
		printx = pDC->GetDeviceCaps(LOGPIXELSX);
		printy = pDC->GetDeviceCaps(LOGPIXELSY);
		ratex = (double)(printx)/screenx;
		ratey = (double)(printy)/screeny;
		pDC->StartDoc("printtext");							//开始打印
	}
	font.CreatePointFont(120,"宋体",pDC);						//创建字体
	for (int i=0;i<7;i++)										//设置循环
	{
		
		pDC->SelectObject(&font);							//将字体选入设备上下文
		pDC->TextOut(int(100*ratex),int(50+i*30*ratey),str[i]);		//打印文本
	}
	if (IsPrint)											//判断是打印
	{
		pDC->EndDoc();									//结束打印
	}
	font.DeleteObject();										//释放字体
}

HBRUSH CPrintTextDlg::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->SelectObject(&m_brush);
	pDC->FillRect(m_rect,&m_brush);
	return m_brush;
}