C++ CFont::DeleteObject方法代码示例

// Set the axes and origin values.
void MyGraph::SetupAxes(CDC& dc)
{
	VALIDATE;
	ASSERT_VALID(&dc);

	// Since pie has no axis lines, set to full size minus GAP_PIXELS on each
	// side.  These are needed for legend to plot itself.
	if (MyGraph::PieChart == m_eGraphType) {
		m_nXAxisWidth = m_rcGraph.Width() - (GAP_PIXELS * 2);
		m_nYAxisHeight = m_rcGraph.Height() - m_rcTitle.bottom;
		m_ptOrigin.x = GAP_PIXELS;
		m_ptOrigin.y = m_rcGraph.Height() - GAP_PIXELS;
	}
	else {
		// Bar and Line graphs.

		// Need to find out how wide the biggest Y-axis tick label is

		// Get and store height of axis label font.
		m_nAxisLabelHeight = max(m_rcGraph.Height() / Y_AXIS_LABEL_DIVISOR, MIN_FONT_SIZE);
		// Get and store height of tick label font.
		m_nAxisTickLabelHeight = max(int(m_nAxisLabelHeight*0.8), MIN_FONT_SIZE);

		CFont fontTickLabels;
		VERIFY(fontTickLabels.CreatePointFont(m_nAxisTickLabelHeight, _T("Arial"), &dc));
		// Select font and store the old.
		CFont* pFontOld = dc.SelectObject(&fontTickLabels);
		ASSERT_VALID(pFontOld);

		// Obtain tick label dimensions.
		CString sTickLabel;
		sTickLabel.Format(_T("%d"), GetMaxDataValue());
		CSize sizTickLabel(dc.GetTextExtent(sTickLabel));

		// Set old font object again and delete temporary font object.
		VERIFY(dc.SelectObject(pFontOld));
		fontTickLabels.DeleteObject();

		// Determine axis specifications.
		m_ptOrigin.x = m_rcGraph.left + m_nAxisLabelHeight/10 + 2*GAP_PIXELS
			+ sizTickLabel.cx + GAP_PIXELS + TICK_PIXELS;
		m_ptOrigin.y = m_rcGraph.bottom - m_nAxisLabelHeight/10 - 2*GAP_PIXELS -
			sizTickLabel.cy - GAP_PIXELS - TICK_PIXELS;
		m_nYAxisHeight = m_ptOrigin.y - m_rcTitle.bottom - (2 * GAP_PIXELS);
		m_nXAxisWidth = (m_rcGraph.Width() - GAP_PIXELS) - m_ptOrigin.x;
	}
}

void CStackWnd::OnPaint()
{
	CPaintDC dc(this); // device context for painting

	CFont* pOldFont = dc.SelectObject(&m_Font);
	pOldFont->DeleteObject();
	
	RECT rc;
	GetClientRect(&rc);

	DWORD dwSelStart = std::min(m_dwSelStart,m_dwSelEnd);
	DWORD dwSelEnd = std::max(m_dwSelStart,m_dwSelEnd);

	for (int i=0;i*m_nLineHight<=rc.bottom;++i)
	{
		RECT tmp = rc;
		tmp.top = i*m_nLineHight;
		tmp.bottom = tmp.top + m_nLineHight;
			

		DWORD data;
		DWORD dwLineAddr = m_dwStartAddr+i*4;
		SIZE_T nRead = 0;

		if (dwLineAddr>=dwSelStart && dwLineAddr <=dwSelEnd)
		{
			dc.SetBkColor(0x00FF0000);
		}

		if (debug_kernel_ptr && debug_kernel_ptr->read_memory(dwLineAddr,&data,4,&nRead) && nRead == 4)
		{
			char line[20];
			sprintf(line,"%08X %08X",dwLineAddr,data);
			dc.ExtTextOut(0,i*m_nLineHight,ETO_OPAQUE,&tmp,line,17,NULL);
		}
		else
		{
			char line[20];
			sprintf(line,"%08X ???",dwLineAddr);
			dc.ExtTextOut(0,i*m_nLineHight,ETO_OPAQUE,&tmp,line,12,NULL);
		}

		dc.SetBkColor(0x00FFFFFF);
	}
	// 不为绘图消息调用 CWnd::OnPaint()
}

CFont* CGridCell::GetFontObject() const
{
	// If the default font is specified, use the default cell implementation
	if (m_plfFont == nullptr)
	{
		const CGridDefaultCell* pDefaultCell = static_cast<const CGridDefaultCell*>(GetConstDefaultCell());
		if (!pDefaultCell)
			return nullptr;

		return pDefaultCell->GetFontObject();
	}
	else
	{
		static CFont Font;
		Font.DeleteObject();
		Font.CreateFontIndirect(m_plfFont);
		return &Font;
	}
}

CFont* Printing::CPntGridCell::GetFontObject( CDC* pDC /*= NULL*/ ) const
{
    // If the default font is specified, use the default cell implementation
    if (m_plfFont == NULL)
    {
        CPntGridDefaultCell *pDefaultCell = (CPntGridDefaultCell*) GetDefaultCell();
        if (!pDefaultCell)
            return NULL;

        return pDefaultCell->GetFontObject();
    }
    else
    {
        static CFont Font;
        Font.DeleteObject();
        Font.CreatePointFont(m_plfFont->lfHeight, m_plfFont->lfFaceName, pDC);
        return &Font;
    }
}

CFont* CGridCell::GetFontObject() const
{
    // If the default font is specified, use the default cell implementation
    if (m_plfFont == NULL)
    {
        CGridDefaultCell *pDefaultCell = (CGridDefaultCell*) GetDefaultCell();
        if (!pDefaultCell)
            return NULL;

        return pDefaultCell->GetFontObject();
    }
    else
    {
        static CFont Font;
        Font.DeleteObject();
        Font.CreateFontIndirect(m_plfFont);
        return &Font;
    }
}

void MenuItemSprite::Draw(HDC hDC)
{
	if(m_pBitmap&&!m_bHidden)
	{
		m_pBitmap->DrawPart(hDC,m_rcPosition.left,m_rcPosition.top,0,m_iCurFrame*GetHeight(),GetWidth(),GetHeight(),FALSE);
		if(m_iCurFrame==7&&m_bWithText)
		{
			int oldMode;
			COLORREF oldColor;
			CFont cf;
			cf.CreateFont(
				19,                        // 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,  // nPitchAndFamily
				"���ו"); 

			HFONT oldFont=(HFONT)SelectObject(hDC,cf.m_hObject);

			oldColor=SetTextColor(hDC,RGB(252,252,56));
			oldMode=SetBkMode(hDC,TRANSPARENT);
			RECT rt=m_rcPosition;
			rt.left-=4;rt.right-=4;
			rt.top++;rt.bottom++;
			DrawText(hDC,m_strText,-1,&rt,DT_CENTER|DT_SINGLELINE|DT_VCENTER);
			
			SelectObject(hDC,oldFont);
			cf.DeleteObject();
			SetTextColor(hDC,oldColor);
			SetBkMode(hDC,oldMode);
		}
	}
}

BOOL CNineShowView::InitGridContent(CNineGridCtrl *pGrid )  
{
	m_nCols=4;
    m_nFixRows=1;
	m_nFixCols=0;
    m_nRows=20;  


	try {
 		pGrid->SetRowCount(m_nRows);
		pGrid->SetColumnCount(m_nCols);
		pGrid->SetFixedRowCount(m_nFixRows);
		pGrid->SetFixedColumnCount(m_nFixCols);
	}
	catch (CMemoryException* e)
	{
		e->ReportError();
		e->Delete();
		return FALSE;
	}
   	pGrid->SetGridColor(m_pDoc->m_colorArray[18],m_pDoc->m_colorArray[17],m_pDoc->m_colorArray[16]);

//20000615
    pGrid->SetFixedBkColor(m_pDoc->m_colorArray[18]);
//20000615


	CFont Font;
	LOGFONT m_lf;
	memset(&m_lf,0,sizeof(LOGFONT));
	m_lf.lfHeight = -12;
	m_lf.lfWidth=0;
	m_lf.lfWeight=400;
	m_lf.lfCharSet=134;
	strcpy(m_lf.lfFaceName,"宋体");

	Font.CreateFontIndirect(&m_lf);

	pGrid->SetFont(&Font);
	Font.DeleteObject();
 	return TRUE;
}

void CMainDialog::SetNewFont()
{
  CFont font;

  font.CreateFont(m_height, 0, 0, 0, m_weight, FALSE, FALSE, FALSE, DEFAULT_CHARSET /*ANSI_CHARSET*/,
    OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY,
    DEFAULT_PITCH | FF_SWISS /*FF_DONTCARE*/, m_facename.GetBuffer(0));

  m_example_text.SetFont(&font, TRUE);

  #ifdef _DEBUG
  {
    LOGFONT lf;
    font.GetLogFont(&lf);
    TRACE("  Typeface = %s\n", lf.lfFaceName);
    TRACE("  Charset = %d\n", lf.lfCharSet);
  }
  #endif

  font.DeleteObject();
}

CFont * AfxSelectDCFont( CDC * pDC, int nHeight )
{
	static	CFont	font;
	font.DeleteObject();

#ifdef CLKLAN_ENGLISH_US
	if( nHeight <= 15 )
	{
		CFont *pFont = CFont::FromHandle((HFONT)::GetStockObject(DEFAULT_GUI_FONT));
		return	pDC->SelectObject( pFont );
	}
	else
	{
		return NULL;
	}
#else
	font.CreateFont(nHeight, 0, 0, 0, FW_NORMAL, FALSE, FALSE, 0,
					DEFAULT_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, PROOF_QUALITY, DEFAULT_PITCH,
					"楷体" );
	return	pDC->SelectObject( &font );
#endif
}

void CAppealDlg::OnPaint()
{
    CPaintDC dc(this); // device context for painting
    // TODO: 在此处添加消息处理程序代码
    // 不为绘图消息调用 CDialog::OnPaint()

    /*// 2012.12.16 yyf 屏蔽
    CGameImageHelper helplt(&m_imgDlgBk);
    helplt.BitBlt(dc.GetSafeHdc(),0,0);*/

    //绘画框架底图 2012.10.16 yyf
    m_configDlg.DrawViewFrame(&dc);

    CFont font;
    font.CreateFont(-12,0,0,0,400,0,0,0,DEFAULT_CHARSET,3,2,1,2,TEXT("Arial"));
    CFont* pOldFont = (CFont*)dc.SelectObject(&font);
    dc.SetBkMode(TRANSPARENT);

    CBcfFile fMsg(CBcfFile::GetAppPath()+"ClientMessage.bcf");

    dc.SetTextColor(RGB(252,255,255));
    CString strTitle = fMsg.GetKeyVal("AppealDlg","UserFeedBack","用户反馈");
    dc.TextOut(5,5,strTitle);
    //dc.TextOut(strTitle,5,5);
    dc.SetTextColor(RGB(0,0,0));
    strTitle = fMsg.GetKeyVal("AppealDlg","UserName","用户名:");
    dc.TextOut(20,50,strTitle);
    strTitle = fMsg.GetKeyVal("AppealDlg","Telephone","联系电话:");
    dc.TextOut(20,90,strTitle);
    strTitle = fMsg.GetKeyVal("AppealDlg","Email","Email:");
    dc.TextOut(20,130,strTitle);

    /// {{Added by zxd 20100709 释放GDI资源
    dc.SelectObject(pOldFont);
    font.DeleteObject();
    /// Added by zxd 20100709 释放GDI资源}}

}

//重画函数
void CPrompt::OnPaint() 
{
	CPaintDC dc(this); 

	//设置 DC
	dc.SetBkMode(TRANSPARENT);
	dc.SetTextColor(RGB(0,0,0));
	dc.SelectObject(CSkinResourceManager::GetDefaultFont());

	//创建字体
	CFont ViewFont;
	ViewFont.CreateFont(-12,0,0,0,400,0,0,0,134,3,2,1,1,TEXT("Arial"));
	CFont *pOldFont=dc.SelectObject(&ViewFont);

	CRect rcScore(0,30,220,30+19);
	dc.DrawText(m_tStr,lstrlen(m_tStr),&rcScore,DT_VCENTER|DT_CENTER|DT_END_ELLIPSIS);

	//还原字体
	dc.SelectObject(pOldFont);
	ViewFont.DeleteObject();

	return;
}

void CMarkComboCtrl::Paint (CDC& dc) {
	CSize szShape;
	CRect rectCtrl, rectLabel;
	CMark mrkStyle;
	CFont fntDeflt;
	uvar32_64 szKernel;

	dc.FillSolidRect (m_rectText, ::GetSysColor (COLOR_WINDOW));
	mrkStyle = theApp.MarkStyles[aimActive].GetStyle();
	szShape = mrkStyle.GetShapeSize ();
	szKernel = mrkStyle.GetKernelSize ();

	m_rectText.DeflateRect (4, 4);
	rectLabel = m_rectText;
	m_rectText.right -= 100;
	rectLabel.left = m_rectText.right + 1;
	m_rectText.left -= (m_rectText.Height() - m_rectText.Width ()) / 2;
	m_rectText.right += (m_rectText.Height() - m_rectText.Width ()) / 2;
	if (szShape.cx >= szShape.cy) {
		m_rectText.top += (szShape.cx - szShape.cy) / 2;
		m_rectText.bottom -= (szShape.cx - szShape.cy) / 2;
	} else {
		m_rectText.left += (szShape.cy - szShape.cx) / 2;
		m_rectText.right -= (szShape.cy - szShape.cx) / 2;
	}
	GetClientRect (&rectCtrl);
	mrkStyle.SetPoint (CPoint ((rectCtrl.Width () - 115 )/ 2, rectCtrl.Height () / 2));
	mrkStyle.SetShapeSize (CSize (m_rectText.Width () - 2, m_rectText.Height () - 2));
	mrkStyle.SetKernelSize ((szKernel > m_rectText.Height())?m_rectText.Height():szKernel);
	mrkStyle.Paint (dc);

	fntDeflt.CreatePointFont (80, "Tahoma", &dc);
	CFont *pFont = dc.SelectObject (&fntDeflt);
	dc.DrawText (theApp.MarkStyles[aimActive].GetName (), rectLabel, DT_END_ELLIPSIS | DT_LEFT | DT_SINGLELINE | DT_VCENTER | DT_WORD_ELLIPSIS);
	dc.SelectObject (pFont);
	fntDeflt.DeleteObject ();
}

void CSpecEdit::OnKillFocus(CWnd* pNewWnd)
{
	CEdit::OnKillFocus(pNewWnd);

	// TODO: Add your message handler code here
	if (this->m_ComboID==cmb3)
	{
		CString str;
		LOGFONT lf;
		CFont* pFont = ((CMyFontDlg*)m_pDlg)->GetSelectedFont();
		pFont->GetLogFont(&lf);
		pFont->DeleteObject();
		
		GetWindowText(str);
		if (str.GetLength()==0)
		{
			::SendMessage(m_pDlg->GetDlgItem(cmb3)->m_hWnd, CB_SETCURSEL, 0, 0);
			GetWindowText(str);
		}

		int k = _wtoi(str);
		lf.lfHeight = -MulDiv(k, GetDeviceCaps(GetParent()->GetDC()->m_hDC, LOGPIXELSY), 72);
		pFont->CreateFontIndirectW(&lf);
		m_pDlg->InvalidateRect(&((CMyFontDlg*)m_pDlg)->TextRect);		
	}

	if (this->m_ComboID==cmb2)
	{
		CString str;
		GetWindowText(str);
		CComboBox* pComboBox = (CComboBox*)(m_pDlg->GetDlgItem(cmb2));
		if (str.GetLength()==0 || pComboBox->GetCurSel()==-1)
		{
			::SendMessageW(m_pDlg->GetDlgItem(cmb2)->m_hWnd, CB_SETCURSEL, 0, 0);
		}
	}
}

// *********************************************************************
// 					ReleaseFonts()										
// *********************************************************************
void GdiLabelDrawer::ReleaseFonts(bool useVariableFontSize)
{
	if (useVariableFontSize)
	{
		for (int i = 0; i <= MAX_LABEL_SIZE; i++)
		{
			if (_fonts[i])
			{
				CFont * f = _fonts[i];
				f->DeleteObject();
				delete f;
				_fonts[i] = NULL;
			}
		}
	}
	else {
		if (_font)
		{
			_font->DeleteObject();
			delete _font;
			_font = NULL;
		}
	}
}

void CDianMu::OnPaint()
{
	CPaintDC dc(this); 
	//SetWindowPos(&wndBottom,0,0,242,137,SWP_NOZORDER);
	CGameImageHelper handle(&m_bk);
	handle.BitBlt(dc,0,0);
	dc.SetBkMode(TRANSPARENT);

	CFont font; //JMod-字体格式修改-20090631
	font.CreateFont(-12,0,0,0,400,NULL,NULL,NULL,134,3,2,1,2,TEXT("宋体"));
	CFont *pOldFont = dc.SelectObject(&font);	
	dc.TextOut(m_iDestX,m_iDestY,m_strMessage);
	dc.SelectObject(pOldFont);
	font.DeleteObject();

	//jph 100127
	HRGN hRgn;
	hRgn=AFCBmpToRgn(m_bk,RGB(255,0,255),RGB(1,1,1));
	if(hRgn)
	{
		SetWindowRgn(hRgn,true);
	}

}