atlgdi.h

文件加密器使用说明 本软件可以加密需要保护的数据文件

		ATLASSERT(m_hDC != NULL);
		return ::RoundRect(m_hDC, lpRect->left, lpRect->top, lpRect->right, lpRect->bottom, point.x, point.y);
	}

// Bitmap Functions
	BOOL PatBlt(int x, int y, int nWidth, int nHeight, DWORD dwRop)
	{
		ATLASSERT(m_hDC != NULL);
		return ::PatBlt(m_hDC, x, y, nWidth, nHeight, dwRop);
	}

	BOOL BitBlt(int x, int y, int nWidth, int nHeight, HDC hSrcDC,
		int xSrc, int ySrc, DWORD dwRop)
	{
		ATLASSERT(m_hDC != NULL);
		return ::BitBlt(m_hDC, x, y, nWidth, nHeight, hSrcDC, xSrc, ySrc, dwRop);
	}

	BOOL StretchBlt(int x, int y, int nWidth, int nHeight, HDC hSrcDC, int xSrc, int ySrc, int nSrcWidth, int nSrcHeight, DWORD dwRop)
	{
		ATLASSERT(m_hDC != NULL);
		return ::StretchBlt(m_hDC, x, y, nWidth, nHeight, hSrcDC, xSrc, ySrc, nSrcWidth, nSrcHeight, dwRop);
	}

	COLORREF GetPixel(int x, int y) const
	{
		ATLASSERT(m_hDC != NULL);
		return ::GetPixel(m_hDC, x, y);
	}

	COLORREF GetPixel(POINT point) const
	{
		ATLASSERT(m_hDC != NULL);
		return ::GetPixel(m_hDC, point.x, point.y);
	}

	COLORREF SetPixel(int x, int y, COLORREF crColor)
	{
		ATLASSERT(m_hDC != NULL);
		return ::SetPixel(m_hDC, x, y, crColor);
	}

	COLORREF SetPixel(POINT point, COLORREF crColor)
	{
		ATLASSERT(m_hDC != NULL);
		return ::SetPixel(m_hDC, point.x, point.y, crColor);
	}

#ifndef _WIN32_WCE
	BOOL FloodFill(int x, int y, COLORREF crColor)
	{
		ATLASSERT(m_hDC != NULL);
		return ::FloodFill(m_hDC, x, y, crColor);
	}

	BOOL ExtFloodFill(int x, int y, COLORREF crColor, UINT nFillType)
	{
		ATLASSERT(m_hDC != NULL);
		return ::ExtFloodFill(m_hDC, x, y, crColor, nFillType);
	}
#endif //!_WIN32_WCE

	BOOL MaskBlt(int x, int y, int nWidth, int nHeight, HDC hSrcDC, int xSrc, int ySrc, HBITMAP hMaskBitmap, int xMask, int yMask, DWORD dwRop)
	{
		ATLASSERT(m_hDC != NULL);
		return ::MaskBlt(m_hDC, x, y, nWidth, nHeight, hSrcDC, xSrc, ySrc, hMaskBitmap, xMask, yMask, dwRop);
	}

#ifndef _WIN32_WCE
	BOOL PlgBlt(LPPOINT lpPoint, HDC hSrcDC, int xSrc, int ySrc, int nWidth, int nHeight, HBITMAP hMaskBitmap, int xMask, int yMask)
	{
		ATLASSERT(m_hDC != NULL);
		return ::PlgBlt(m_hDC, lpPoint, hSrcDC, xSrc, ySrc, nWidth, nHeight, hMaskBitmap, xMask, yMask);
	}

	BOOL SetPixelV(int x, int y, COLORREF crColor)
	{
		ATLASSERT(m_hDC != NULL);
		return ::SetPixelV(m_hDC, x, y, crColor);
	}

	BOOL SetPixelV(POINT point, COLORREF crColor)
	{
		ATLASSERT(m_hDC != NULL);
		return ::SetPixelV(m_hDC, point.x, point.y, crColor);
	}
#endif //!_WIN32_WCE

#if !defined(_ATL_NO_MSIMG) && !defined(_WIN32_WCE)
	BOOL AlphaBlend(int x, int y, int nWidth, int nHeight, HDC hSrcDC, int xSrc, int ySrc, int nSrcWidth, int nSrcHeight, BLENDFUNCTION bf)
	{
		ATLASSERT(m_hDC != NULL);
		return ::AlphaBlend(m_hDC, x, y, nWidth, nHeight, hSrcDC, xSrc, ySrc, nSrcWidth, nSrcHeight, bf);
	}

	BOOL TransparentBlt(int x, int y, int nWidth, int nHeight, HDC hSrcDC, int xSrc, int ySrc, int nSrcWidth, int nSrcHeight, UINT crTransparent)
	{
		ATLASSERT(m_hDC != NULL);
		return ::TransparentBlt(m_hDC, x, y, nWidth, nHeight, hSrcDC, xSrc, ySrc, nSrcWidth, nSrcHeight, crTransparent);
	}

	BOOL GradientFill(const PTRIVERTEX pVertices, DWORD nVertices, void* pMeshElements, DWORD nMeshElements, DWORD dwMode)
	{
		ATLASSERT(m_hDC != NULL);
		return ::GradientFill(m_hDC, pVertices, nVertices, pMeshElements, nMeshElements, dwMode);
	}
#endif //!defined(_ATL_NO_MSIMG) && !defined(_WIN32_WCE)

// Extra bitmap functions
	// Helper function for painting a disabled toolbar or menu bitmap
	// This function can take either an HBITMAP (for SS) or a DC with 
	//           the bitmap already painted (for cmdbar)
	BOOL DitherBlt(int x, int y, int nWidth, int nHeight, HDC hSrcDC, HBITMAP hBitmap, int xSrc, int ySrc,
			HBRUSH hBrushBackground = ::GetSysColorBrush(COLOR_3DFACE),
			HBRUSH hBrush3DEffect = ::GetSysColorBrush(COLOR_3DHILIGHT),
			HBRUSH hBrushDisabledImage = ::GetSysColorBrush(COLOR_3DSHADOW))
	{
		ATLASSERT(m_hDC != NULL || hBitmap != NULL);
		ATLASSERT(nWidth > 0 && nHeight > 0);
		
		// Create a generic DC for all BitBlts
		CDCHandle dc = (hSrcDC != NULL) ? hSrcDC : ::CreateCompatibleDC(m_hDC);
		ATLASSERT(dc.m_hDC != NULL);
		if(dc.m_hDC == NULL)
			return FALSE;
		
		// Create a DC for the monochrome DIB section
		CDC dcBW = ::CreateCompatibleDC(m_hDC);
		ATLASSERT(dcBW.m_hDC != NULL);
		if(dcBW.m_hDC == NULL)
		{
			if(hSrcDC == NULL)
				dc.DeleteDC();
			return FALSE;
		}

		// Create the monochrome DIB section with a black and white palette
		struct RGBBWBITMAPINFO
		{
			BITMAPINFOHEADER bmiHeader; 
			RGBQUAD bmiColors[2]; 
		};

		RGBBWBITMAPINFO rgbBWBitmapInfo = 
		{
			{ sizeof(BITMAPINFOHEADER), nWidth, nHeight, 1, 1, BI_RGB, 0, 0, 0, 0, 0 },
			{ { 0x00, 0x00, 0x00, 0x00 }, { 0xFF, 0xFF, 0xFF, 0x00 } }
		};

		VOID* pbitsBW;
		CBitmap bmpBW = ::CreateDIBSection(dcBW, (LPBITMAPINFO)&rgbBWBitmapInfo, DIB_RGB_COLORS, &pbitsBW, NULL, 0);
		ATLASSERT(bmpBW.m_hBitmap != NULL);
		if(bmpBW.m_hBitmap == NULL)
		{
			if(hSrcDC == NULL)
				dc.DeleteDC();
			return FALSE;
		}
		
		// Attach the monochrome DIB section and the bitmap to the DCs
		HBITMAP hbmOldBW = dcBW.SelectBitmap(bmpBW);
		HBITMAP hbmOldDC = NULL;
		if(hBitmap != NULL)
			hbmOldDC = dc.SelectBitmap(hBitmap);

		// Block: Dark gray removal: we want (128, 128, 128) pixels to become black and not white
		{
			CDC dcTemp1 = ::CreateCompatibleDC(m_hDC);
			CDC dcTemp2 = ::CreateCompatibleDC(m_hDC);
			CBitmap bmpTemp1;
			bmpTemp1.CreateCompatibleBitmap(dc, nWidth, nHeight);
			CBitmap bmpTemp2;
			bmpTemp2.CreateBitmap(nWidth, nHeight, 1, 1, NULL);
			HBITMAP hOldBmp1 = dcTemp1.SelectBitmap(bmpTemp1);
			HBITMAP hOldBmp2 = dcTemp2.SelectBitmap(bmpTemp2);
			// Let's copy our image, it will be altered
			dcTemp1.BitBlt(0, 0, nWidth, nHeight, dc, xSrc, ySrc, SRCCOPY);

			// All dark gray pixels will become white, the others black
			dcTemp1.SetBkColor(RGB(128, 128, 128));
			dcTemp2.BitBlt(0, 0, nWidth, nHeight, dcTemp1, 0, 0, SRCCOPY);
			// Do an XOR to set to black these white pixels
			dcTemp1.BitBlt(0, 0, nWidth, nHeight, dcTemp2, 0, 0, SRCINVERT);

			// BitBlt the bitmap into the monochrome DIB section
			// The DIB section will do a true monochrome conversion
			// The magenta background being closer to white will become white
			dcBW.BitBlt(0, 0, nWidth, nHeight, dcTemp1, 0, 0, SRCCOPY);

			// Cleanup
			dcTemp1.SelectBitmap(hOldBmp1);
			dcTemp2.SelectBitmap(hOldBmp2);
		}
		
		// Paint the destination rectangle using hBrushBackground
		if(hBrushBackground != NULL)
		{
			RECT rc = { x, y, x + nWidth, y + nHeight };
			FillRect(&rc, hBrushBackground);
		}

		// BitBlt the black bits in the monochrome bitmap into hBrush3DEffect color in the destination DC
		// The magic ROP comes from the Charles Petzold's book
		HBRUSH hOldBrush = SelectBrush(hBrush3DEffect);
		BitBlt(x + 1, y + 1, nWidth, nHeight, dcBW, 0, 0, 0xB8074A);

		// BitBlt the black bits in the monochrome bitmap into hBrushDisabledImage color in the destination DC
		SelectBrush(hBrushDisabledImage);
		BitBlt(x, y, nWidth, nHeight, dcBW, 0, 0, 0xB8074A);

		SelectBrush(hOldBrush);
		dcBW.SelectBitmap(hbmOldBW);
		dc.SelectBitmap(hbmOldDC);

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

		return TRUE;
	}

// Text Functions
#ifndef _WIN32_WCE
	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);
	}
#endif //!_WIN32_WCE

	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);
	}

#ifndef _WIN32_WCE
	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;
	}
#endif //!_WIN32_WCE

	int DrawText(LPCTSTR lpstrText, int cchText, LPRECT lpRect, UINT uFormat)
	{
		ATLASSERT(m_hDC != NULL);
		return ::DrawText(m_hDC, lpstrText, cchText, lpRect, uFormat);
	}

#ifndef _WIN32_WCE
	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);
	}
#endif //!_WIN32_WCE

#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);
	}

#ifndef _WIN32_WCE
	BOOL GetTextExtentExPoint(LPCTSTR lpszString, int cchString, LPSIZE lpSize, int nMaxExtent, LPINT lpnFit = NULL, LPINT alpDx = NULL)
	{
		ATLASSERT(m_hDC != NULL);
		return ::GetTextExtentExPoint(m_hDC, lpszString, cchString, nMaxExtent, lpnFit, alpDx, 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);
	}
#endif //!_WIN32_WCE

#if !defined(_WIN32_WCE) || (_WIN32_WCE >= 400)
	UINT GetTextAlign() const
	{
		ATLASSERT(m_hDC != NULL);
		return ::GetTextAlign(m_hDC);
	}

	UINT SetTextAlign(UINT nFlags)
	{
		ATLASSERT(m_hDC != NULL);
		return ::SetTextAlign(m_hDC, nFlags);
	}
#endif //!defined(_WIN32_WCE) || (_WIN32_WCE >= 400)

	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_NS::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);
	}

#ifndef _WIN32_WCE
	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);
	}
#endif //!_WIN32_WCE

// 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
#ifndef _WIN32_WCE
	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);
	}
#endif //!_WIN32_WCE

// Printer/Device Escape Functions
#ifndef