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non-CView based printing

trovatore
trovatore asked
on
Medium Priority
265 Views
Last Modified: 2013-11-19
I need to do non-WYSIWYG printing from an MFC app at
the document level.  I'm running into unbelivable
difficulties.  It seems that it should be enough to do
the following:

  1) Create a CPrintInfo object

  2) Call DoPrintDialog on its CPrintDialog member

  3) Get the handle for the printer device context by
     calling CPrintDialog::GetPrinterDC().  Attach
     that handle to a new CDC object (let pDC be
     a pointer to this object)

  4) Make a DOCINFO structure and call pDC->StartDoc().

  5) Call pDC->StartPage().

  6) Output whatever I want via pDC->TextOut() .

  7) Call pDC->EndPage() and (eventually) pDC->EndDoc() .

But things keep happening that I don't understand--fonts
change on me, code that used to work stops working after
trivial changes, GetTextExtent() returns inconsistent
values, etc.  Is there something obvious I'm
missing?  I saw somewhere that StartPage() resets device
attributes; how can I reset them?  I tried keeping around
a pointer to one of the views just so I could call
pView->OnPrepareDC() after every call to CDC::StartPage(),
but it didn't seem to help.
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Commented:
Codeguru is not responding.  For 150 pts you couldn't summarize
the basic ideas?

Author

Commented:
OK, I got through to Codeguru, but the answer was not terribly
relevant.  I finally figured it out by myself.  The correct
answer is, "You have to call pDC->SetMapMode() and
pDC->SetViewportOrg() and pDC->SelectObject(CFont*)
after every call to pDC->StartPage()".


Commented:
Sorry, I misunderstood your question because I didn't read it carefully. I did encounter the exactly same problem. I should have provided the correct answer. You may reject my answer and ask the customer service to refund you.
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