读取图片并打印图片

void PrintBitmap(LPCTSTR filename) {
 CPrintDialog printDlg(FALSE);
 printDlg.GetDefaults(); 
 // Or get from user:
 // if (printDlg.DoModal() == IDCANCEL)   
 //        return; 
 CDC dc;
 if (!dc.Attach(printDlg.GetPrinterDC())) {
  AfxMessageBox(_T("No printer found!")); return;
 } 
 
 dc.m_bPrinting = TRUE; 
 DOCINFO di;    
 // Initialise print document details
 ::ZeroMemory (&di, sizeof (DOCINFO));
 di.cbSize = sizeof (DOCINFO);
 di.lpszDocName = filename; 
 BOOL bPrintingOK = dc.StartDoc(&di); // Begin a new print job 
 // Get the printing extents
 // and store in the m_rectDraw field of a 
 // CPrintInfo object
 CPrintInfo Info;
 Info.SetMaxPage(1); // just one page 
 int maxw = dc.GetDeviceCaps(HORZRES);
 int maxh = dc.GetDeviceCaps(VERTRES); 
 Info.m_rectDraw.SetRect(0, 0, maxw, maxh); 
 for (UINT page = Info.GetMinPage(); page <= 
      Info.GetMaxPage() && bPrintingOK; page++) {
  dc.StartPage();    // begin new page
  Info.m_nCurPage = page;
  CBitmap bitmap;
  // LoadImage does the trick here, it creates a DIB section
  // You can also use a resource here
  // by using MAKEINTRESOURCE() ... etc. 
  if(!bitmap.Attach(::LoadImage(
   ::GetModuleHandle(NULL), filename, IMAGE_BITMAP, 0, 0, 
   LR_LOADFROMFILE | LR_CREATEDIBSECTION | LR_DEFAULTSIZE))) {
    AfxMessageBox(_T("Error loading bitmap!")); return;
   } 
   BITMAP bm;
   bitmap.GetBitmap(&bm);
   int w = bm.bmWidth; 
   int h = bm.bmHeight; 
   // create memory device context
   CDC memDC; 
   memDC.CreateCompatibleDC(&dc);
   CBitmap *pBmp = memDC.SelectObject(&bitmap);
   memDC.SetMapMode(dc.GetMapMode());
   dc.SetStretchBltMode(HALFTONE);
   // now stretchblt to maximum width on page
   dc.StretchBlt(0, 0, maxw, maxh, &memDC, 0, 0, w, h, SRCCOPY); 
   // clean up
   memDC.SelectObject(pBmp);
   bPrintingOK = (dc.EndPage() > 0);   // end page
 } 
 if (bPrintingOK)
   dc.EndDoc(); // end a print job
 else dc.AbortDoc();           // abort job. 
}

http://blog.csdn.net/kingmax54212008/article/details/77141553