www.gusucode.com > VC++ 打印对话框及其控件中的数据-源码程序 > VC++ 打印对话框及其控件中的数据-源码程序/code/PrintFormDlg.cpp
// PrintFormDlg.cpp : implementation file // Download by http://www.NewXing.com #include "stdafx.h" #include "PrintForm.h" #include "PrintFormDlg.h" #include <math.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() ///////////////////////////////////////////////////////////////////////////// // CPrintFormDlg dialog CPrintFormDlg::CPrintFormDlg(CWnd* pParent /*=NULL*/) : CDialog(CPrintFormDlg::IDD, pParent) { //{{AFX_DATA_INIT(CPrintFormDlg) // 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 CPrintFormDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CPrintFormDlg) DDX_Control(pDX, IDC_FRAME, m_Frame); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CPrintFormDlg, CDialog) //{{AFX_MSG_MAP(CPrintFormDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_BN_CLICKED(IDC_BUTPRINT, OnButprint) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CPrintFormDlg message handlers BOOL CPrintFormDlg::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 CPrintFormDlg::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 CPrintFormDlg::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 CPrintFormDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } void CPrintFormDlg::OnButprint() { // TODO: Add your control notification handler code here CRect m_rect,framerect; //获取对话框的大小 GetWindowRect(m_rect); //获取图片控件大小 m_Frame.GetWindowRect(framerect); int x,y; x = framerect.left - m_rect.left; CDC* pImageDC = GetDC(); int formx,formy; formx = pImageDC->GetDeviceCaps(LOGPIXELSX); formy = pImageDC->GetDeviceCaps(LOGPIXELSY); ReleaseDC(pImageDC); CPrintDialog m_printdlg (FALSE,PD_RETURNDEFAULT); if (m_printdlg.DoModal()==IDOK) { CDC pdc; pdc.Attach(m_printdlg.GetPrinterDC()); //获取打印机与屏幕的分辨率比率 int printerx,printery; printerx = pdc.GetDeviceCaps(LOGPIXELSX); printery = pdc.GetDeviceCaps(LOGPIXELSY); double ratex,ratey; ratex = (double)printerx/formx; ratey = (double)printery/formy; CClientDC dc(this); CBitmap bmp; bmp.CreateCompatibleBitmap(&dc,framerect.Width()+x,framerect.Height()+x); CDC imagedc; imagedc.CreateCompatibleDC(&dc); imagedc.SelectObject(&bmp); imagedc.BitBlt(0,0,framerect.Width()+x,framerect.Height()+x,&dc,0,0,SRCCOPY); BITMAP bmap; bmp.GetBitmap(&bmap); int panelsize = 0; //非真彩色位图 if (bmap.bmBitsPixel <16) panelsize = pow(2,bmap.bmBitsPixel*sizeof(RGBQUAD)); //设置BITMAPINFO结构 BITMAPINFO* bInfo = (BITMAPINFO*)LocalAlloc(LPTR,sizeof(BITMAPINFO)+panelsize); bInfo->bmiHeader.biClrImportant = 0; bInfo->bmiHeader.biBitCount = bmap.bmBitsPixel; bInfo->bmiHeader.biCompression = 0; bInfo->bmiHeader.biHeight = bmap.bmHeight; bInfo->bmiHeader.biPlanes = bmap.bmPlanes; bInfo->bmiHeader.biSize = sizeof(BITMAPINFO); bInfo->bmiHeader.biSizeImage = bmap.bmWidthBytes*bmap.bmHeight; bInfo->bmiHeader.biWidth = bmap.bmWidth; bInfo->bmiHeader.biXPelsPerMeter = 0; bInfo->bmiHeader.biYPelsPerMeter = 0; char* pData = new char[bmap.bmWidthBytes*bmap.bmHeight]; ::GetDIBits(imagedc.m_hDC,bmp,0,bmap.bmHeight,pData,bInfo,DIB_RGB_COLORS); //打印图像 pdc.StartDoc("print"); ::StretchDIBits(pdc.m_hDC,50,50,(int)((framerect.Width()*ratex)+x) ,(int)((framerect.Height()+x)*ratey),0,0,framerect.Width()+x ,framerect.Height()+x,pData,bInfo,DIB_RGB_COLORS,SRCCOPY); pdc.EndDoc(); LocalFree(bInfo); delete[] pData; bmp.DeleteObject(); } }