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Print a bitmap full page

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3.26 (8 votes)
16 Dec 2005
Print a bitmap full page.

Introduction

Printing a bitmap isn't very difficult to do. I saw several solutions which used creation of DIB sections and quite some code. The trick here is to use the "LoadImage" API which can do that for you. This code uses portions of Chris Maunder's printing article:

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. 
}

That's all there is to it. Have a nice day!

License

This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

A list of licenses authors might use can be found here

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About the Author

Niek Albers
Web Developer
Netherlands Netherlands
Niek is the founder and programmer of DaanSystems.com and is working on many projects all the time. He makes a living by doing contractwork for others.

Comments and Discussions

 
QuestionHow Would This Be Adapted to Work with Other Image Types Pin
David Johns24-Sep-13 12:42
MemberDavid Johns24-Sep-13 12:42 
QuestionPrint a bitmap full page Pin
Member 93446368-Aug-12 10:04
MemberMember 93446368-Aug-12 10:04 
Generalprinted bitmaps have some colors modified Pin
Ștefan-Mihai MOGA21-Nov-06 0:23
professionalȘtefan-Mihai MOGA21-Nov-06 0:23 
Thanks for sharing your piece of code, good work. Only that my printed bitmaps (even to PDF files) have some different colors. So, to solve this problem, I've used ATL's CImage class, with done the trick for me on printing.

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Article
Posted 16 Dec 2005

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