vc的手动花HDC,打印功能

// PreviewDemoDlg.cpp : implementation file // Download by http://www.codefans.net #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); } //细节 memDC.SelectObject(&DetailFont); rc.SetRect(nLeft, nTop, nRight, nTop+fAdd); //上横线 memDC.MoveTo(rc.left, rc.top); memDC.LineTo(rc.right, rc.top); rt1.SetRect(nLeft, nTop, nLeft+20*xPix, nTop+fAdd); //学号 rt2.SetRect(rt1.right, rt1.top, rt1.right + 25*xPix, rt1.bottom); //姓名 rt3.SetRect(rt2.right, rt1.top, rt2.right + 10*xPix, rt1.bottom); //性别 rt4.SetRect(rt3.right, rt1.top, rt3.right + 25*xPix, rt1.bottom); //专业 rt5.SetRect(rt4.right, rt1.top, rt4.right + 25*xPix, rt1.bottom); //年级 rt6.SetRect(rt5.right, rt1.top, rc.right, rt1.bottom); //班级 memDC.DrawText("学 号", &rt1, DT_CENTER | DT_VCENTER | DT_SINGLELINE); memDC.DrawText("姓 名", &rt2, DT_CENTER | DT_VCENTER | DT_SINGLELINE); memDC.DrawText("性别", &rt3, DT_CENTER | DT_VCENTER | DT_SINGLELINE); memDC.DrawText("专 业", &rt4, DT_CENTER | DT_