DrawText上下左右居中输出文字_CSDNMicrosoftCSDN的专栏

CView OnDraw:设置字体，设置背景色，设置输出文字颜色，居中输出

	// TODO: add draw code for native data here
	CDocument* pDoc = GetDocument();
	
	CPaintDC* dc = (CPaintDC*)pDC;
	CRect rect;
	CBrush brush;
	brush.CreateSolidBrush(RGB(150,150,150));
	this->GetClientRect(&rect);
	dc->FillRect(&rect, &brush);
	brush.DeleteObject();

	CFont font;
	font.CreateFont(
		50, // nHeight
		0, // nWidth
		0, // nEscapement
		0, // nOrientation
		FW_NORMAL, // nWeight
		FALSE, // bItalic
		FALSE, // bUnderline
		0, // cStrikeOut
		ANSI_CHARSET, // nCharSet
		OUT_DEFAULT_PRECIS, // nOutPrecision
		CLIP_DEFAULT_PRECIS, // nClipPrecision
		DEFAULT_QUALITY, // nQuality
		DEFAULT_PITCH | FF_SWISS,
		_T("Arial") // nPitchAndFamily Arial
		); 
	pDC->SelectObject(&font);
	SetBkColor(pDC->m_hDC, RGB(150,150,150));
	//SetBkMode(pDC->m_hDC, TRANSPARENT);
	SetTextColor(pDC->m_hDC, RGB(255,0,0));

 	CString tout = "No Video!\nNo webcam or only one webcam!";
	CRect temp = rect;
	int height = pDC->DrawText(tout, temp, DT_CENTER | DT_WORDBREAK | DT_EDITCONTROL | DT_CALCRECT);
	rect.DeflateRect(0, (rect.Height() - height)/2);// change rect
    pDC->DrawText(tout, rect, DT_CENTER | DT_WORDBREAK | DT_EDITCONTROL);	//