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MFC MDI MetaFiles, EnhancedMetaFiles

Posted on 1998-05-09
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Last Modified: 2013-11-20
Visual C++ 5.0, MDI application:

I tried to paint my window to a CMetaFileDC class, a regular one doesn't work, so I created an Enhanced MetaFile. The problem is that the texts are not saved. On the contrary the graphics are OK, but the text cannot be seen in the result file when I open it. The texts are written with the DrawText(...) function.

- How to fix the text problem: my code is:
mfdc.CreateEnhanced(NULL, "c:\\gir.emf", NULL, "GioGraph\0Graph\0\0" );//creating
pDoc->Data.DrawGraph(&mfdc, MaxSize, DG_METAFILE);//drawing
HENHMETAFILE hemf = mfdc.CloseEnhanced();//getting handle

- How to work with a regualar-not-enhanced MetaFile - my code is:
mfdc.Create("c:\\gir.wmf");//creating
pDoc->Data.DrawGraph(&mfdc, MaxSize, DG_METAFILE);//drawing
HMETAFILE hemf = mfdc.Close();//getting handle
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Question by:giora
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by:piano_boxer
ID: 1308877
Can you post the code for pDoc->Data.DrawGraph() ?
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piano_boxer earned 100 total points
ID: 1308878
Try this code (It works for me in a very complex view drawing):


CDC* pDC = GetDC();
pDC->SetMapMode(MM_HIMETRIC);
CMetaFileDC dc;
if(dc.CreateEnhanced(pDC, "filename.emf", NULL, "Test\0File\0\0"))
{
    dc.SetMapMode(MM_HIMETRIC);
    dc.m_bPrinting = TRUE;
    dc.m_hAttribDC = pDC->m_hDC;
    OnDraw(&dc);  // Call normal drawing routine for the view
}

::DeleteEnhMetaFile(dc.CloseEnhanced());
ReleaseDC(pDC);

NOTE: You can change/remove the SetMapMode(MM_HIMETRIC) calls if you use a different mapping mode.
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