previewdemodlg.cpp

用于打印简单的文件报表的程序。

// PreviewDemoDlg.cpp : implementation file
//

#include "stdafx.h"
#include "PreviewDemo.h"
#include "PreviewDemoDlg.h"
#include "PreParent.h"		//打印预览父窗口


#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CPreviewDemoDlg dialog

CPreviewDemoDlg::CPreviewDemoDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CPreviewDemoDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CPreviewDemoDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CPreviewDemoDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CPreviewDemoDlg)
	DDX_Control(pDX, IDC_LIST1, CLtv);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CPreviewDemoDlg, CDialog)
	//{{AFX_MSG_MAP(CPreviewDemoDlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(BTN_PRINT, OnPrint)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CPreviewDemoDlg message handlers

BOOL CPreviewDemoDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// 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
	CLtv.SetExtendedStyle(LVS_EX_FULLROWSELECT|LVS_EX_GRIDLINES);
	int nItem = 0;
	CLtv.InsertColumn(nItem++, "学号", LVCFMT_LEFT, 50);
	CLtv.InsertColumn(nItem++, "姓名", LVCFMT_LEFT, 60);
	CLtv.InsertColumn(nItem++, "姓别", LVCFMT_LEFT, 50);
	CLtv.InsertColumn(nItem++, "专业", LVCFMT_LEFT, 70);
	CLtv.InsertColumn(nItem++, "年级", LVCFMT_LEFT, 70);
	CLtv.InsertColumn(nItem++, "班级", LVCFMT_LEFT, 70);
	for(int i=0; i<100; i++)
	{
		CString csTemp;
		csTemp.Format("学号%i", i);
		nItem = CLtv.InsertItem(0xFFFFFF, csTemp);
		csTemp.Format("姓名%i", i);
		int nSub = 1;
		CLtv.SetItem(nItem, nSub++, 1, csTemp, NULL, 0, 0, 0);
		csTemp.Format("男");
		CLtv.SetItem(nItem, nSub++, 1, csTemp, NULL, 0, 0, 0);
		csTemp.Format("专业%i", i);
		CLtv.SetItem(nItem, nSub++, 1, csTemp, NULL, 0, 0, 0);
		csTemp.Format("年级%i", i);
		CLtv.SetItem(nItem, nSub++, 1, csTemp, NULL, 0, 0, 0);
		csTemp.Format("班级%i", i);
		CLtv.SetItem(nItem, nSub++, 1, csTemp, NULL, 0, 0, 0);
	}

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

// 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 CPreviewDemoDlg::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 CPreviewDemoDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CPreviewDemoDlg::OnPrint() 
{
	
	if(CLtv.GetItemCount()<= 0)
		return;
	PRNINFO PrnInfo = {0};
	PrnInfo.hListView = CLtv.m_hWnd;
	PrnInfo.hWnd = this->m_hWnd;
	PrnInfo.IsPrint = FALSE;
	PrnInfo.nCurPage = 1;
	PrnInfo.nMaxLine = CLtv.GetItemCount();
	
	CPreParent DlgPreView;
	DlgPreView.SetCallBackFun(DrawInfo, PrnInfo);
	DlgPreView.DoModal();
}
void CPreviewDemoDlg::DrawInfo(CDC &memDC, PRNINFO PrnInfo)
{
	if(memDC.m_hDC == NULL)
		return;

	int nCurPage = PrnInfo.nCurPage;	//当前页
	BOOL IsPrint = PrnInfo.IsPrint;		//是否打印
	int nMaxPage = PrnInfo.nCountPage;	//最大页码
	HWND hWnd = PrnInfo.hWnd;
	HWND hList = PrnInfo.hListView;
	CString csLFinality, csRFinality;
	CTime time;
	time=CTime::GetCurrentTime();
	csLFinality = time.Format("报表日期:%Y-%m-%d");
	csRFinality.Format("第 %i 页/共 %i 页", nCurPage, nMaxPage);

	TCHAR szTitle[] = TEXT("学生花名册");

	CRect rc, rt1, rt2, rt3, rt4, rt5, rt6;
	CPen *hPenOld;
	CPen		cPen;
	CFont TitleFont, DetailFont, *oldfont;
	//标题字体
	TitleFont.CreateFont(-MulDiv(14,memDC.GetDeviceCaps(LOGPIXELSY),72),
		0,0,0,FW_NORMAL,0,0,0,GB2312_CHARSET,
		OUT_STROKE_PRECIS,CLIP_STROKE_PRECIS,DRAFT_QUALITY,
		VARIABLE_PITCH|FF_SWISS,_T("黑体"));
	//细节字体
	DetailFont.CreateFont(-MulDiv(10,memDC.GetDeviceCaps(LOGPIXELSY),72),
		0,0,0,FW_NORMAL,0,0,0,GB2312_CHARSET,
		OUT_STROKE_PRECIS,CLIP_STROKE_PRECIS,DRAFT_QUALITY,
		VARIABLE_PITCH|FF_SWISS,_T("宋体"));
	//粗笔
	cPen.CreatePen(PS_SOLID, 2, RGB(0, 0, 0));

 	int xP = GetDeviceCaps(memDC.m_hDC, LOGPIXELSX);	//x方向每英寸像素点数
	int yP = GetDeviceCaps(memDC.m_hDC, LOGPIXELSY);	//y方向每英寸像素点数

	DOUBLE xPix = (DOUBLE)xP*10/254;	//每 mm 宽度的像素
	DOUBLE yPix = (DOUBLE)yP*10/254;	//每 mm 高度的像素
	DOUBLE fAdd = 7*yPix;		//每格递增量
	DOUBLE nTop = 25*yPix;		//第一页最上线
	int	  iStart = 0;			//从第几行开始读取
	DOUBLE nBottom = nTop+B5_ONELINE*fAdd;
	if(nCurPage != 1)
		nTop = 25*yPix-fAdd;	//非第一页最上线
	if(nCurPage == 2)
		iStart = B5_ONELINE;
	if(nCurPage>2)
		iStart = B5_ONELINE+(nCurPage - 2)*B5_OTHERLINE;

	DOUBLE nLeft = 20*xPix;			//最左线
	DOUBLE nRight = xPix*(B5_W-20);	//最右线



	DOUBLE nTextAdd = 1.5*xPix;
	if(IsPrint)
	{
		//真正打印部分
		static DOCINFO di = {sizeof (DOCINFO),  szTitle} ;
		//开始文档打印
		if(memDC.StartDoc(&di)<0)
		{
			::MessageBox(hWnd, "连接到打印机化败!", "错误", MB_ICONSTOP);
		}
		else
		{
			iStart = 0;
			nTop = 25*yPix;		//第一页最上线
			for(int iTotalPages = 1; iTotalPages<=nMaxPage; iTotalPages++)
			{
				int nCurPage = iTotalPages;
				csRFinality.Format("第 %i 页/共 %i 页", nCurPage, nMaxPage);
				time=CTime::GetCurrentTime();
				csLFinality = time.Format("报表日期:%Y-%m-%d");

				if(nCurPage != 1)
					nTop = 25*yPix-fAdd;	//非第一页最上线
				if(nCurPage == 2)
					iStart = B5_ONELINE;
				if(nCurPage>2)
					iStart = B5_ONELINE+(nCurPage - 2)*B5_OTHERLINE;
				//开始页
				if(memDC.StartPage() < 0)
				{
					::MessageBox(hWnd, _T("打印失败!"), "错误", MB_ICONSTOP);
					memDC.AbortDoc();
					return;
				}
				else
				{
					//打印
					//标题
					oldfont = memDC.SelectObject(&TitleFont);
					int nItem = B5_OTHERLINE;
					if(nCurPage == 1)
					{
						nItem = B5_ONELINE;
						rc.SetRect(0, yPix*10, B5_W*xPix, yPix*20);
						memDC.DrawText(szTitle, &rc, DT_CENTER | DT_VCENTER | DT_SINGLELINE);
					}