atlgdi.h

WTL7.0所有头文件,需要的朋友可以成这里下载

		dc.SelectBitmap(hbmOldDC);

		if(hSrcDC == NULL)
			dc.DeleteDC();

		return TRUE;
	}

// Text Functions
	BOOL TextOut(int x, int y, LPCTSTR lpszString, int nCount = -1)
	{
		ATLASSERT(m_hDC != NULL);
		if(nCount == -1)
			nCount = lstrlen(lpszString);
		return ::TextOut(m_hDC, x, y, lpszString, nCount);
	}
	BOOL ExtTextOut(int x, int y, UINT nOptions, LPCRECT lpRect, LPCTSTR lpszString, UINT nCount = -1, LPINT lpDxWidths = NULL)
	{
		ATLASSERT(m_hDC != NULL);
		if(nCount == -1)
			nCount = lstrlen(lpszString);
		return ::ExtTextOut(m_hDC, x, y, nOptions, lpRect, lpszString, nCount, lpDxWidths);
	}
	SIZE TabbedTextOut(int x, int y, LPCTSTR lpszString, int nCount = -1, int nTabPositions = 0, LPINT lpnTabStopPositions = NULL, int nTabOrigin = 0)
	{
		ATLASSERT(m_hDC != NULL);
		if(nCount == -1)
			nCount = lstrlen(lpszString);
		LONG lRes = ::TabbedTextOut(m_hDC, x, y, lpszString, nCount, nTabPositions, lpnTabStopPositions, nTabOrigin);
		SIZE size = { GET_X_LPARAM(lRes), GET_Y_LPARAM(lRes) };
		return size;
	}
	int DrawText(LPCTSTR lpstrText, int cchText, LPRECT lpRect, UINT uFormat)
	{
		ATLASSERT(m_hDC != NULL);
		return ::DrawText(m_hDC, lpstrText, cchText, lpRect, uFormat);
	}
	int DrawTextEx(LPTSTR lpstrText, int cchText, LPRECT lpRect, UINT uFormat, LPDRAWTEXTPARAMS lpDTParams = NULL)
	{
		ATLASSERT(m_hDC != NULL);
		return ::DrawTextEx(m_hDC, lpstrText, cchText, lpRect, uFormat, lpDTParams);
	}
#if (_WIN32_WINNT >= 0x0501)
	int DrawShadowText(LPCWSTR lpstrText, int cchText, LPRECT lpRect, DWORD dwFlags, COLORREF clrText, COLORREF clrShadow, int xOffset, int yOffset)
	{
		ATLASSERT(m_hDC != NULL);
		// This function is present only if comctl32.dll version 6 is loaded;
		// we use LoadLibrary/GetProcAddress to allow apps compiled with
		// _WIN32_WINNT >= 0x0501 to run on older Windows/CommCtrl
		int nRet = 0;
		HMODULE hCommCtrlDLL = ::LoadLibrary(_T("comctl32.dll"));
		ATLASSERT(hCommCtrlDLL != NULL);
		if(hCommCtrlDLL != NULL)
		{
			typedef int (WINAPI *PFN_DrawShadowText)(HDC hDC, LPCWSTR lpstrText, UINT cchText, LPRECT lpRect, DWORD dwFlags, COLORREF clrText, COLORREF clrShadow, int xOffset, int yOffset);
			PFN_DrawShadowText pfnDrawShadowText = (PFN_DrawShadowText)::GetProcAddress(hCommCtrlDLL, "DrawShadowText");
			ATLASSERT(pfnDrawShadowText != NULL);	// this function requires CommCtrl6
			if(pfnDrawShadowText != NULL)
				nRet = pfnDrawShadowText(m_hDC, lpstrText, cchText, lpRect, dwFlags, clrText, clrShadow, xOffset, yOffset);
			::FreeLibrary(hCommCtrlDLL);
		}
		return nRet;
	}
#endif //(_WIN32_WINNT >= 0x0501)
	BOOL GetTextExtent(LPCTSTR lpszString, int nCount, LPSIZE lpSize) const
	{
		ATLASSERT(m_hDC != NULL);
		if(nCount == -1)
			nCount = lstrlen(lpszString);
		return ::GetTextExtentPoint32(m_hDC, lpszString, nCount, lpSize);
	}
	DWORD GetTabbedTextExtent(LPCTSTR lpszString, int nCount = -1, int nTabPositions = 0, LPINT lpnTabStopPositions = NULL) const
	{
		ATLASSERT(m_hDC != NULL);
		if(nCount == -1)
			nCount = lstrlen(lpszString);
		return ::GetTabbedTextExtent(m_hDC, lpszString, nCount, nTabPositions, lpnTabStopPositions);
	}
	BOOL GrayString(HBRUSH hBrush, BOOL (CALLBACK* lpfnOutput)(HDC, LPARAM, int), LPARAM lpData, int nCount, int x, int y, int nWidth, int nHeight)
	{
		ATLASSERT(m_hDC != NULL);
		return ::GrayString(m_hDC, hBrush, (GRAYSTRINGPROC)lpfnOutput, lpData, nCount, x, y, nWidth, nHeight);
	}
	UINT GetTextAlign() const
	{
		ATLASSERT(m_hDC != NULL);
		return ::GetTextAlign(m_hDC);
	}
	UINT SetTextAlign(UINT nFlags)
	{
		ATLASSERT(m_hDC != NULL);
		return ::SetTextAlign(m_hDC, nFlags);
	}
	int GetTextFace(LPTSTR lpszFacename, int nCount) const
	{
		ATLASSERT(m_hDC != NULL);
		return ::GetTextFace(m_hDC, nCount, lpszFacename);
	}
	int GetTextFaceLen() const
	{
		ATLASSERT(m_hDC != NULL);
		return ::GetTextFace(m_hDC, 0, NULL);
	}
#ifndef _ATL_NO_COM
#ifdef _OLEAUTO_H_
	BOOL GetTextFace(BSTR& bstrFace) const
	{
		USES_CONVERSION;
		ATLASSERT(m_hDC != NULL);
		ATLASSERT(bstrFace == NULL);

		int nLen = GetTextFaceLen();
		if(nLen == 0)
			return FALSE;

		LPTSTR lpszText = (LPTSTR)_alloca(nLen * sizeof(TCHAR));

		if(!GetTextFace(lpszText, nLen))
			return FALSE;

		bstrFace = ::SysAllocString(T2OLE(lpszText));
		return (bstrFace != NULL) ? TRUE : FALSE;
	}
#endif
#endif //!_ATL_NO_COM
#if defined(_WTL_USE_CSTRING) || defined(__ATLSTR_H__)
	int GetTextFace(CString& strFace) const
	{
		ATLASSERT(m_hDC != NULL);

		int nLen = GetTextFaceLen();
		if(nLen == 0)
			return 0;

		LPTSTR lpstr = strFace.GetBufferSetLength(nLen);
		if(lpstr == NULL)
			return 0;
		int nRet = GetTextFace(lpstr, nLen);
		strFace.ReleaseBuffer();
		return nRet;
	}
#endif //defined(_WTL_USE_CSTRING) || defined(__ATLSTR_H__)
	BOOL GetTextMetrics(LPTEXTMETRIC lpMetrics) const
	{
		ATLASSERT(m_hDC != NULL);
		return ::GetTextMetrics(m_hDC, lpMetrics);
	}
	int SetTextJustification(int nBreakExtra, int nBreakCount)
	{
		ATLASSERT(m_hDC != NULL);
		return ::SetTextJustification(m_hDC, nBreakExtra, nBreakCount);
	}
	int GetTextCharacterExtra() const
	{
		ATLASSERT(m_hDC != NULL);
		return ::GetTextCharacterExtra(m_hDC);
	}
	int SetTextCharacterExtra(int nCharExtra)
	{
		ATLASSERT(m_hDC != NULL);
		return ::SetTextCharacterExtra(m_hDC, nCharExtra);
	}

// Advanced Drawing
	BOOL DrawEdge(LPRECT lpRect, UINT nEdge, UINT nFlags)
	{
		ATLASSERT(m_hDC != NULL);
		return ::DrawEdge(m_hDC, lpRect, nEdge, nFlags);
	}
	BOOL DrawFrameControl(LPRECT lpRect, UINT nType, UINT nState)
	{
		ATLASSERT(m_hDC != NULL);
		return ::DrawFrameControl(m_hDC, lpRect, nType, nState);
	}

// Scrolling Functions
	BOOL ScrollDC(int dx, int dy, LPCRECT lpRectScroll, LPCRECT lpRectClip, HRGN hRgnUpdate, LPRECT lpRectUpdate)
	{
		ATLASSERT(m_hDC != NULL);
		return ::ScrollDC(m_hDC, dx, dy, lpRectScroll, lpRectClip, hRgnUpdate, lpRectUpdate);
	}

// Font Functions
	BOOL GetCharWidth(UINT nFirstChar, UINT nLastChar, LPINT lpBuffer) const
	{
		ATLASSERT(m_hDC != NULL);
		return ::GetCharWidth(m_hDC, nFirstChar, nLastChar, lpBuffer);
	}
	// GetCharWidth32 is not supported under Win9x
	BOOL GetCharWidth32(UINT nFirstChar, UINT nLastChar, LPINT lpBuffer) const
	{
		ATLASSERT(m_hDC != NULL);
		return ::GetCharWidth32(m_hDC, nFirstChar, nLastChar, lpBuffer);
	}
	DWORD SetMapperFlags(DWORD dwFlag)
	{
		ATLASSERT(m_hDC != NULL);
		return ::SetMapperFlags(m_hDC, dwFlag);
	}
	BOOL GetAspectRatioFilter(LPSIZE lpSize) const
	{
		ATLASSERT(m_hDC != NULL);
		return ::GetAspectRatioFilterEx(m_hDC, lpSize);
	}

	BOOL GetCharABCWidths(UINT nFirstChar, UINT nLastChar, LPABC lpabc) const
	{
		ATLASSERT(m_hDC != NULL);
		return ::GetCharABCWidths(m_hDC, nFirstChar, nLastChar, lpabc);
	}
	DWORD GetFontData(DWORD dwTable, DWORD dwOffset, LPVOID lpData, DWORD cbData) const
	{
		ATLASSERT(m_hDC != NULL);
		return ::GetFontData(m_hDC, dwTable, dwOffset, lpData, cbData);
	}
	int GetKerningPairs(int nPairs, LPKERNINGPAIR lpkrnpair) const
	{
		ATLASSERT(m_hDC != NULL);
		return ::GetKerningPairs(m_hDC, nPairs, lpkrnpair);
	}
	UINT GetOutlineTextMetrics(UINT cbData, LPOUTLINETEXTMETRIC lpotm) const
	{
		ATLASSERT(m_hDC != NULL);
		return ::GetOutlineTextMetrics(m_hDC, cbData, lpotm);
	}
	DWORD GetGlyphOutline(UINT nChar, UINT nFormat, LPGLYPHMETRICS lpgm, DWORD cbBuffer, LPVOID lpBuffer, const MAT2* lpmat2) const
	{
		ATLASSERT(m_hDC != NULL);
		return ::GetGlyphOutline(m_hDC, nChar, nFormat, lpgm, cbBuffer, lpBuffer, lpmat2);
	}

	BOOL GetCharABCWidths(UINT nFirstChar, UINT nLastChar, LPABCFLOAT lpABCF) const
	{
		ATLASSERT(m_hDC != NULL);
		return ::GetCharABCWidthsFloat(m_hDC, nFirstChar, nLastChar, lpABCF);
	}
	BOOL GetCharWidth(UINT nFirstChar, UINT nLastChar, float* lpFloatBuffer) const
	{
		ATLASSERT(m_hDC != NULL);
		return ::GetCharWidthFloat(m_hDC, nFirstChar, nLastChar, lpFloatBuffer);
	}

// Printer/Device Escape Functions
	int Escape(int nEscape, int nCount, LPCSTR lpszInData, LPVOID lpOutData)
	{
		ATLASSERT(m_hDC != NULL);
		return ::Escape(m_hDC, nEscape, nCount, lpszInData, lpOutData);
	}
	int Escape(int nEscape, int nInputSize, LPCSTR lpszInputData,
		int nOutputSize, LPSTR lpszOutputData)
	{
		ATLASSERT(m_hDC != NULL);
		return ::ExtEscape(m_hDC, nEscape, nInputSize, lpszInputData, nOutputSize, lpszOutputData);
	}
	int DrawEscape(int nEscape, int nInputSize, LPCSTR lpszInputData)
	{
		ATLASSERT(m_hDC != NULL);
		return ::DrawEscape(m_hDC, nEscape, nInputSize, lpszInputData);
	}

	// Escape helpers
	int StartDoc(LPCTSTR lpszDocName)  // old Win3.0 version
	{
		DOCINFO di;
		memset(&di, 0, sizeof(DOCINFO));
		di.cbSize = sizeof(DOCINFO);
		di.lpszDocName = lpszDocName;
		return StartDoc(&di);
	}

	int StartDoc(LPDOCINFO lpDocInfo)
	{
		ATLASSERT(m_hDC != NULL);
		return ::StartDoc(m_hDC, lpDocInfo);
	}
	int StartPage()
	{
		ATLASSERT(m_hDC != NULL);
		return ::StartPage(m_hDC);
	}
	int EndPage()
	{
		ATLASSERT(m_hDC != NULL);
		return ::EndPage(m_hDC);
	}
	int SetAbortProc(BOOL (CALLBACK* lpfn)(HDC, int))
	{
		ATLASSERT(m_hDC != NULL);
		return ::SetAbortProc(m_hDC, (ABORTPROC)lpfn);
	}
	int AbortDoc()
	{
		ATLASSERT(m_hDC != NULL);
		return ::AbortDoc(m_hDC);
	}
	int EndDoc()
	{
		ATLASSERT(m_hDC != NULL);
		return ::EndDoc(m_hDC);
	}

// MetaFile Functions
	BOOL PlayMetaFile(HMETAFILE hMF)
	{
		ATLASSERT(m_hDC != NULL);
		if(::GetDeviceCaps(m_hDC, TECHNOLOGY) == DT_METAFILE)
		{
			// playing metafile in metafile, just use core windows API
			return ::PlayMetaFile(m_hDC, hMF);
		}

		// for special playback, lParam == pDC
		return ::EnumMetaFile(m_hDC, hMF, EnumMetaFileProc, (LPARAM)this);
	}
	BOOL PlayMetaFile(HENHMETAFILE hEnhMetaFile, LPCRECT lpBounds)
	{
		ATLASSERT(m_hDC != NULL);
		return ::PlayEnhMetaFile(m_hDC, hEnhMetaFile, lpBounds);
	}
	BOOL AddMetaFileComment(UINT nDataSize, const BYTE* pCommentData) // can be used for enhanced metafiles only
	{
		ATLASSERT(m_hDC != NULL);
		return ::GdiComment(m_hDC, nDataSize, pCommentData);
	}

	// Special handling for metafile playback
	static int CALLBACK EnumMetaFileProc(HDC hDC, HANDLETABLE* pHandleTable, METARECORD* pMetaRec, int nHandles, LPARAM lParam)
	{
		CDCHandle* pDC = (CDCHandle*)lParam;

		switch (pMetaRec->rdFunction)
		{
		case META_SETMAPMODE:
			pDC->SetMapMode((int)(short)pMetaRec->rdParm[0]);
			break;
		case META_SETWINDOWEXT:
			pDC->SetWindowExt((int)(short)pMetaRec->rdParm[1], (int)(short)pMetaRec->rdParm[0]);
			break;
		case META_SETWINDOWORG:
			pDC->SetWindowOrg((int)(short)pMetaRec->rdParm[1], (int)(short)pMetaRec->rdParm[0]);
			break;
		case META_SETVIEWPORTEXT:
			pDC->SetViewportExt((int)(short)pMetaRec->rdParm[1], (int)(short)pMetaRec->rdParm[0]);
			break;
		case META_SETVIEWPORTORG:
			pDC->SetViewportOrg((int)(short)pMetaRec->rdParm[1], (int)(short)pMetaRec->rdParm[0]);
			break;
		case META_SCALEWINDOWEXT:
			pDC->ScaleWindowExt((int)(short)pMetaRec->rdParm[3], (int)(short)pMetaRec->rdParm[2], 
				(int)(short)pMetaRec->rdParm[1], (int)(short)pMetaRec->rdParm[0]);
			break;
		case META_SCALEVIEWPORTEXT:
			pDC->ScaleViewportExt((int)(short)pMetaRec->rdParm[3], (int)(short)pMetaRec->rdParm[2],
				(int)(short)pMetaRec->rdParm[1], (int)(short)pMetaRec->rdParm[0]);
			break;
		case META_OFFSETVIEWPORTORG:
			pDC->OffsetViewportOrg((int)(short)pMetaRec->rdParm[1], (int)(short)pMetaRec->rdParm[0]);
			break;
		case META_SAVEDC:
			pDC->SaveDC();
			break;
		case META_RESTOREDC:
			pDC->RestoreDC((int)(short)pMetaRec->rdParm[0]);
			break;
		case META_SETBKCOLOR:
			pDC->SetBkColor(*(UNALIGNED COLORREF*)&pMetaRec->rdParm[0]);
			break;
		case META_SETTEXTCOLOR:
			pDC->SetTextColor(*(UNALIGNED COLORREF*)&pMetaRec->rdParm[0]);
			break;

		// need to watch out for SelectObject(HFONT), for custom font mapping
		case META_SELECTOBJECT:
			{
				HGDIOBJ hObject = pHandleTable->objectHandle[pMetaRec->rdParm[0]];
				UINT nObjType = ::GetObjectType(hObject);
				if(nObjType == 0)
				{
					// object type is unknown, determine if it is a font
					HFONT hStockFont = (HFONT)::GetStockObject(SYSTEM_FONT);
					HFONT hFontOld = (HFONT)::SelectObject(pDC->m_hDC, hStockFont);
					HGDIOBJ hObjOld = ::SelectObject(pDC->m_hDC, hObject);
					if(hObjOld == hStockFont)
					{
						// got the stock object back, so must be selecting a font
						pDC->SelectFont((HFONT)hObject);
						break;  // don't play the default record
					}
					else
					{
						// didn't get the stock object back, so restore everything
						::SelectObject(pDC->m_hDC, hFontOld);
						::SelectObject(pDC->m_hDC, hObjOld);
					}
					// and fall through to PlayMetaFileRecord...
				}
				else if(nObjType == OBJ_FONT)
				{
					// play back as CDCHandle::SelectFont(HFONT)
					pDC->SelectFont((HFONT)hObject);
					break;  // don't play the default record
				}
			}
			// fall through...

		default:
			::PlayMetaFileRecord(hDC, pHandleTable, pMetaRec, nHandles);
			break;
		}

		return 1;
	}

// Path Functions
	BOOL AbortPath()
	{
		ATLASSERT(m_hDC != NULL);
		return ::AbortPath(m_hDC);
	}
	BOOL BeginPath()
	{
		ATLASSERT(m_hDC != NULL);
		return ::BeginPath(m_hDC);
	}
	BOOL CloseFigure()
	{
		ATLASSERT(m_hDC != NULL);
		return ::CloseFigure(m_hDC);
	}
	BOOL EndPath()
	{
		ATLASSERT(m_hDC != NULL);
		return ::EndPath(m_hDC);
	}
	BOOL FillPath()
	{
		ATLASSERT(m_hDC != NULL);
		return ::FillPath(m_hDC);
	}
	BOOL FlattenPath()
	{
		ATLASSERT(m_hDC != NULL);
		return ::FlattenPath(m_hDC);
	}
	BOOL StrokeAndFillPath()
	{
		ATLASSERT(m_hDC != NULL);
		return ::StrokeAndFillPath(m_hDC);
	}
	BOOL StrokePath()
	{
		ATLASSERT(m_hDC != NULL);
		return ::StrokePath(m_hDC);
	}
	BOOL WidenPath()
	{
		ATLASSERT(m_hDC != NULL);
		return ::WidenPath(m_hDC);
	}
	BOOL GetMiterLimit(PFLOAT pfMiterLimit) const
	{
		ATLASSERT(m_hDC != NULL);
		return ::GetMiterLimit(m_hDC, pfMiterLimit);
	}
	BOOL SetMiterLimit(float fMiterLimit)
	{
		ATLASSERT(m_hDC != NULL);
		return ::SetMiterLimit(m_hDC, fMiterLimit, NULL);
	}
	int GetPath(LPPOINT lpPo