// Windows Template Library - WTL version 9.10 // Copyright (C) Microsoft Corporation, WTL Team. All rights reserved. // // This file is a part of the Windows Template Library. // The use and distribution terms for this software are covered by the // Microsoft Public License (http://opensource.org/licenses/MS-PL) // which can be found in the file MS-PL.txt at the root folder. #ifndef __ATLGDI_H__ #define __ATLGDI_H__ #pragma once #ifndef __ATLAPP_H__ #error atlgdi.h requires atlapp.h to be included first #endif // protect template members from windowsx.h macros #ifdef _INC_WINDOWSX #undef CopyRgn #undef CreateBrush #undef CreatePen #undef SelectBrush #undef SelectPen #undef SelectFont #undef SelectBitmap #endif // _INC_WINDOWSX // required libraries #if !defined(_ATL_NO_MSIMG) && !defined(_WIN32_WCE) #pragma comment(lib, "msimg32.lib") #endif #if !defined(_ATL_NO_OPENGL) && !defined(_WIN32_WCE) #pragma comment(lib, "opengl32.lib") #endif /////////////////////////////////////////////////////////////////////////////// // Classes in this file: // // CPenT // CBrushT // CLogFont // CFontT // CBitmapT // CPaletteT // CRgnT // CDCT // CPaintDC // CClientDC // CWindowDC // CMemoryDC // CEnhMetaFileInfo // CEnhMetaFileT // CEnhMetaFileDC // // Global functions: // AtlGetBitmapResourceInfo() // AtlGetBitmapResourceBitsPerPixel() // AtlIsAlphaBitmapResource() // AtlIsDib16() // AtlGetDibColorTableSize() // AtlGetDibNumColors(), // AtlGetDibBitmap() // AtlCopyBitmap() // AtlCreatePackedDib16() // AtlSetClipboardDib16() // AtlGetClipboardDib() namespace WTL { /////////////////////////////////////////////////////////////////////////////// // Bitmap resource helpers to extract bitmap information for a bitmap resource inline LPBITMAPINFOHEADER AtlGetBitmapResourceInfo(HMODULE hModule, ATL::_U_STRINGorID image) { HRSRC hResource = ::FindResource(hModule, image.m_lpstr, RT_BITMAP); ATLASSERT(hResource != NULL); HGLOBAL hGlobal = ::LoadResource(hModule, hResource); ATLASSERT(hGlobal != NULL); LPBITMAPINFOHEADER pBitmapInfoHeader = (LPBITMAPINFOHEADER)::LockResource(hGlobal); ATLASSERT(pBitmapInfoHeader != NULL); return pBitmapInfoHeader; } inline WORD AtlGetBitmapResourceBitsPerPixel(HMODULE hModule, ATL::_U_STRINGorID image) { LPBITMAPINFOHEADER pBitmapInfoHeader = AtlGetBitmapResourceInfo(hModule, image); ATLASSERT(pBitmapInfoHeader != NULL); return pBitmapInfoHeader->biBitCount; } inline WORD AtlGetBitmapResourceBitsPerPixel(ATL::_U_STRINGorID image) { return AtlGetBitmapResourceBitsPerPixel(ModuleHelper::GetResourceInstance(), image); } /////////////////////////////////////////////////////////////////////////////// // 32-bit (alpha channel) bitmap resource helper // Note: 32-bit (alpha channel) images work only on Windows XP with Common Controls version 6. // If you want your app to work on older version of Windows, load non-alpha images if Common // Controls version is less than 6. inline bool AtlIsAlphaBitmapResource(ATL::_U_STRINGorID image) { return (AtlGetBitmapResourceBitsPerPixel(image) == 32); } /////////////////////////////////////////////////////////////////////////////// // CPen template class CPenT { public: // Data members HPEN m_hPen; // Constructor/destructor/operators CPenT(HPEN hPen = NULL) : m_hPen(hPen) { } ~CPenT() { if(t_bManaged && m_hPen != NULL) DeleteObject(); } CPenT& operator =(HPEN hPen) { Attach(hPen); return *this; } void Attach(HPEN hPen) { if(t_bManaged && m_hPen != NULL && m_hPen != hPen) ::DeleteObject(m_hPen); m_hPen = hPen; } HPEN Detach() { HPEN hPen = m_hPen; m_hPen = NULL; return hPen; } operator HPEN() const { return m_hPen; } bool IsNull() const { return (m_hPen == NULL); } // Create methods HPEN CreatePen(int nPenStyle, int nWidth, COLORREF crColor) { ATLASSERT(m_hPen == NULL); m_hPen = ::CreatePen(nPenStyle, nWidth, crColor); return m_hPen; } #ifndef _WIN32_WCE HPEN CreatePen(int nPenStyle, int nWidth, const LOGBRUSH* pLogBrush, int nStyleCount = 0, const DWORD* lpStyle = NULL) { ATLASSERT(m_hPen == NULL); m_hPen = ::ExtCreatePen(nPenStyle, nWidth, pLogBrush, nStyleCount, lpStyle); return m_hPen; } #endif // !_WIN32_WCE HPEN CreatePenIndirect(LPLOGPEN lpLogPen) { ATLASSERT(m_hPen == NULL); m_hPen = ::CreatePenIndirect(lpLogPen); return m_hPen; } BOOL DeleteObject() { ATLASSERT(m_hPen != NULL); BOOL bRet = ::DeleteObject(m_hPen); if(bRet) m_hPen = NULL; return bRet; } // Attributes int GetLogPen(LOGPEN* pLogPen) const { ATLASSERT(m_hPen != NULL); return ::GetObject(m_hPen, sizeof(LOGPEN), pLogPen); } bool GetLogPen(LOGPEN& LogPen) const { ATLASSERT(m_hPen != NULL); return (::GetObject(m_hPen, sizeof(LOGPEN), &LogPen) == sizeof(LOGPEN)); } #ifndef _WIN32_WCE int GetExtLogPen(EXTLOGPEN* pLogPen, int nSize = sizeof(EXTLOGPEN)) const { ATLASSERT(m_hPen != NULL); return ::GetObject(m_hPen, nSize, pLogPen); } bool GetExtLogPen(EXTLOGPEN& ExtLogPen, int nSize = sizeof(EXTLOGPEN)) const { ATLASSERT(m_hPen != NULL); int nRet = ::GetObject(m_hPen, nSize, &ExtLogPen); return ((nRet > 0) && (nRet <= nSize)); } #endif // !_WIN32_WCE }; typedef CPenT CPenHandle; typedef CPenT CPen; /////////////////////////////////////////////////////////////////////////////// // CBrush template class CBrushT { public: // Data members HBRUSH m_hBrush; // Constructor/destructor/operators CBrushT(HBRUSH hBrush = NULL) : m_hBrush(hBrush) { } ~CBrushT() { if(t_bManaged && m_hBrush != NULL) DeleteObject(); } CBrushT& operator =(HBRUSH hBrush) { Attach(hBrush); return *this; } void Attach(HBRUSH hBrush) { if(t_bManaged && m_hBrush != NULL && m_hBrush != hBrush) ::DeleteObject(m_hBrush); m_hBrush = hBrush; } HBRUSH Detach() { HBRUSH hBrush = m_hBrush; m_hBrush = NULL; return hBrush; } operator HBRUSH() const { return m_hBrush; } bool IsNull() const { return (m_hBrush == NULL); } // Create methods HBRUSH CreateSolidBrush(COLORREF crColor) { ATLASSERT(m_hBrush == NULL); m_hBrush = ::CreateSolidBrush(crColor); return m_hBrush; } #ifndef _WIN32_WCE HBRUSH CreateHatchBrush(int nIndex, COLORREF crColor) { ATLASSERT(m_hBrush == NULL); m_hBrush = ::CreateHatchBrush(nIndex, crColor); return m_hBrush; } #endif // !_WIN32_WCE #if !defined(_WIN32_WCE) || (_ATL_VER >= 0x0800) HBRUSH CreateBrushIndirect(const LOGBRUSH* lpLogBrush) { ATLASSERT(m_hBrush == NULL); #ifndef _WIN32_WCE m_hBrush = ::CreateBrushIndirect(lpLogBrush); #else // CE specific m_hBrush = ATL::CreateBrushIndirect(lpLogBrush); #endif // _WIN32_WCE return m_hBrush; } #endif // !defined(_WIN32_WCE) || (_ATL_VER >= 0x0800) HBRUSH CreatePatternBrush(HBITMAP hBitmap) { ATLASSERT(m_hBrush == NULL); m_hBrush = ::CreatePatternBrush(hBitmap); return m_hBrush; } HBRUSH CreateDIBPatternBrush(HGLOBAL hPackedDIB, UINT nUsage) { ATLASSERT(hPackedDIB != NULL); const void* lpPackedDIB = GlobalLock(hPackedDIB); ATLASSERT(lpPackedDIB != NULL); m_hBrush = ::CreateDIBPatternBrushPt(lpPackedDIB, nUsage); GlobalUnlock(hPackedDIB); return m_hBrush; } HBRUSH CreateDIBPatternBrush(const void* lpPackedDIB, UINT nUsage) { ATLASSERT(m_hBrush == NULL); m_hBrush = ::CreateDIBPatternBrushPt(lpPackedDIB, nUsage); return m_hBrush; } HBRUSH CreateSysColorBrush(int nIndex) { ATLASSERT(m_hBrush == NULL); m_hBrush = ::GetSysColorBrush(nIndex); return m_hBrush; } BOOL DeleteObject() { ATLASSERT(m_hBrush != NULL); BOOL bRet = ::DeleteObject(m_hBrush); if(bRet) m_hBrush = NULL; return bRet; } // Attributes int GetLogBrush(LOGBRUSH* pLogBrush) const { ATLASSERT(m_hBrush != NULL); return ::GetObject(m_hBrush, sizeof(LOGBRUSH), pLogBrush); } bool GetLogBrush(LOGBRUSH& LogBrush) const { ATLASSERT(m_hBrush != NULL); return (::GetObject(m_hBrush, sizeof(LOGBRUSH), &LogBrush) == sizeof(LOGBRUSH)); } }; typedef CBrushT CBrushHandle; typedef CBrushT CBrush; /////////////////////////////////////////////////////////////////////////////// // CFont class CLogFont : public LOGFONT { public: CLogFont() { memset(this, 0, sizeof(LOGFONT)); } CLogFont(const LOGFONT& lf) { Copy(&lf); } CLogFont(HFONT hFont) { ATLASSERT(::GetObjectType(hFont) == OBJ_FONT); ::GetObject(hFont, sizeof(LOGFONT), (LOGFONT*)this); } HFONT CreateFontIndirect() { return ::CreateFontIndirect(this); } void SetBold() { lfWeight = FW_BOLD; } bool IsBold() const { return (lfWeight >= FW_BOLD); } void MakeBolder(int iScale = 1) { lfWeight += FW_BOLD * iScale; } void MakeLarger(int iScale) { if(lfHeight > 0) lfHeight += iScale; else lfHeight -= iScale; } void SetHeight(LONG nPointSize, HDC hDC = NULL) { HDC hDC1 = (hDC != NULL) ? hDC : ::GetDC(NULL); // For MM_TEXT mapping mode lfHeight = -::MulDiv(nPointSize, ::GetDeviceCaps(hDC1, LOGPIXELSY), 72); if(hDC == NULL) ::ReleaseDC(NULL, hDC1); } LONG GetHeight(HDC hDC = NULL) const { HDC hDC1 = (hDC != NULL) ? hDC : ::GetDC(NULL); // For MM_TEXT mapping mode LONG nPointSize = ::MulDiv(-lfHeight, 72, ::GetDeviceCaps(hDC1, LOGPIXELSY)); if(hDC == NULL) ::ReleaseDC(NULL, hDC1); return nPointSize; } LONG GetDeciPointHeight(HDC hDC = NULL) const { HDC hDC1 = (hDC != NULL) ? hDC : ::GetDC(NULL); #ifndef _WIN32_WCE POINT ptOrg = { 0, 0 }; ::DPtoLP(hDC1, &ptOrg, 1); POINT pt = { 0, 0 }; pt.y = abs(lfHeight) + ptOrg.y; ::LPtoDP(hDC1, &pt,1); LONG nDeciPoint = ::MulDiv(pt.y, 720, ::GetDeviceCaps(hDC1, LOGPIXELSY)); // 72 points/inch, 10 decipoints/point #else // CE specific // DP and LP are always the same on CE LONG nDeciPoint = ::MulDiv(abs(lfHeight), 720, ::GetDeviceCaps(hDC1, LOGPIXELSY)); // 72 points/inch, 10 decipoints/point #endif // _WIN32_WCE if(hDC == NULL) ::ReleaseDC(NULL, hDC1); return nDeciPoint; } void SetHeightFromDeciPoint(LONG nDeciPtHeight, HDC hDC = NULL) { HDC hDC1 = (hDC != NULL) ? hDC : ::GetDC(NULL); #ifndef _WIN32_WCE POINT pt = { 0, 0 }; pt.y = ::MulDiv(::GetDeviceCaps(hDC1, LOGPIXELSY), nDeciPtHeight, 720); // 72 points/inch, 10 decipoints/point ::DPtoLP(hDC1, &pt, 1); POINT ptOrg = { 0, 0 }; ::DPtoLP(hDC1, &ptOrg, 1); lfHeight = -abs(pt.y - ptOrg.y); #else // CE specific // DP and LP are always the same on CE lfHeight = -abs(::MulDiv(::GetDeviceCaps(hDC1, LOGPIXELSY), nDeciPtHeight, 720)); // 72 points/inch, 10 decipoints/point #endif // _WIN32_WCE if(hDC == NULL) ::ReleaseDC(NULL, hDC1); } #ifndef _WIN32_WCE void SetCaptionFont() { NONCLIENTMETRICS ncm = { RunTimeHelper::SizeOf_NONCLIENTMETRICS() }; ATLVERIFY(::SystemParametersInfo(SPI_GETNONCLIENTMETRICS, sizeof(ncm), &ncm, 0)); Copy(&ncm.lfCaptionFont); } void SetMenuFont() { NONCLIENTMETRICS ncm = { RunTimeHelper::SizeOf_NONCLIENTMETRICS() }; ATLVERIFY(::SystemParametersInfo(SPI_GETNONCLIENTMETRICS, sizeof(ncm), &ncm, 0)); Copy(&ncm.lfMenuFont); } void SetStatusFont() { NONCLIENTMETRICS ncm = { RunTimeHelper::SizeOf_NONCLIENTMETRICS() }; ATLVERIFY(::SystemParametersInfo(SPI_GETNONCLIENTMETRICS, sizeof(ncm), &ncm, 0)); Copy(&ncm.lfStatusFont); } void SetMessageBoxFont() { NONCLIENTMETRICS ncm = { RunTimeHelper::SizeOf_NONCLIENTMETRICS() }; ATLVERIFY(::SystemParametersInfo(SPI_GETNONCLIENTMETRICS, sizeof(ncm), &ncm, 0)); Copy(&ncm.lfMessageFont); } #endif // !_WIN32_WCE void Copy(const LOGFONT* pLogFont) { ATLASSERT(pLogFont != NULL); *(LOGFONT*)this = *pLogFont; } CLogFont& operator =(const CLogFont& src) { Copy(&src); return *this; } CLogFont& operator =(const LOGFONT& src) { Copy(&src); return *this; } CLogFont& operator =(HFONT hFont) { ATLASSERT(::GetObjectType(hFont) == OBJ_FONT); ::GetObject(hFont, sizeof(LOGFONT), (LOGFONT*)this); return *this; } bool operator ==(const LOGFONT& logfont) const { return(logfont.lfHeight == lfHeight && logfont.lfWidth == lfWidth && logfont.lfEscapement == lfEscapement && logfont.lfOrientation == lfOrientation && logfont.lfWeight == lfWeight && logfont.lfItalic == lfItalic && logfont.lfUnderline == lfUnderline && logfont.lfStrikeOut == lfStrikeOut && logfont.lfCharSet == lfCharSet && logfont.lfOutPrecision == lfOutPrecision && logfont.lfClipPrecision == lfClipPrecision && logfont.lfQuality == lfQuality && logfont.lfPitchAndFamily == lfPitchAndFamily && lstrcmp(logfont.lfFaceName, lfFaceName) == 0); } }; template class CFontT { public: // Data members HFONT m_hFont; // Constructor/destructor/operators CFontT(HFONT hFont = NULL) : m_hFont(hFont) { } ~CFontT() { if(t_bManaged && m_hFont != NULL) DeleteObject(); } CFontT& operator =(HFONT hFont) { Attach(hFont); return *this; } void Attach(HFONT hFont) { if(t_bManaged && m_hFont != NULL && m_hFont != hFont) ::DeleteObject(m_hFont); m_hFont = hFont; } HFONT Detach() { HFONT hFont = m_hFont; m_hFont = NULL; return hFont; } operator HFONT() const { return m_hFont; } bool IsNull() const { return (m_hFont == NULL); } // Create methods HFONT CreateFontIndirect(const LOGFONT* lpLogFont) { ATLASSERT(m_hFont == NULL); m_hFont = ::CreateFontIndirect(lpLogFont); return m_hFont; } #if !defined(_WIN32_WCE) && (_WIN32_WINNT >= 0x0500) HFONT CreateFontIndirectEx(CONST ENUMLOGFONTEXDV* penumlfex) { ATLASSERT(m_hFont == NULL); m_hFont = ::CreateFontIndirectEx(penumlfex); return m_hFont; } #endif // !defined(_WIN32_WCE) && (_WIN32_WINNT >= 0x0500) #if !defined(_WIN32_WCE) || (_ATL_VER >= 0x0800) HFONT CreateFont(int nHeight, int nWidth, int nEscapement, int nOrientation, int nWeight, BYTE bItalic, BYTE bUnderline, BYTE cStrikeOut, BYTE nCharSet, BYTE nOutPrecision, BYTE nClipPrecision, BYTE nQuality, BYTE nPitchAndFamily, LPCTSTR lpszFacename) { ATLASSERT(m_hFont == NULL); #ifndef _WIN32_WCE m_hFont = ::CreateFont(nHeight, nWidth, nEscapement, nOrientation, nWeight, bItalic, bUnderline, cStrikeOut, nCharSet, nOutPrecision, nClipPrecision, nQuality, nPitchAndFamily, lpszFacename); #else // CE specific m_hFont = ATL::CreateFont(nHeight, nWidth, nEscapement, nOrientation, nWeight, bItalic, bUnderline, cStrikeOut, nCharSet, nOutPrecision, nClipPrecision, nQuality, nPitchAndFamily, lpszFacename); #endif // _WIN32_WCE return m_hFont; } #endif // !defined(_WIN32_WCE) || (_ATL_VER >= 0x0800) HFONT CreatePointFont(int nPointSize, LPCTSTR lpszFaceName, HDC hDC = NULL, bool bBold = false, bool bItalic = false) { LOGFONT logFont = { 0 }; logFont.lfCharSet = DEFAULT_CHARSET; logFont.lfHeight = nPointSize; SecureHelper::strncpy_x(logFont.lfFaceName, _countof(logFont.lfFaceName), lpszFaceName, _TRUNCATE); if(bBold) logFont.lfWeight = FW_BOLD; if(bItalic) logFont.lfItalic = (BYTE)TRUE; return CreatePointFontIndirect(&logFont, hDC); } HFONT CreatePointFontIndirect(const LOGFONT* lpLogFont, HDC hDC = NULL) { HDC hDC1 = (hDC != NULL) ? hDC : ::GetDC(NULL); // convert nPointSize to logical units based on hDC LOGFONT logFont = *lpLogFont; #ifndef _WIN32_WCE POINT pt = { 0, 0 }; pt.y = ::MulDiv(::GetDeviceCaps(hDC1, LOGPIXELSY), logFont.lfHeight, 720); // 72 points/inch, 10 decipoints/point ::DPtoLP(hDC1, &pt, 1); POINT ptOrg = { 0, 0 }; ::DPtoLP(hDC1, &ptOrg, 1); logFont.lfHeight = -abs(pt.y - ptOrg.y); #else // CE specific // DP and LP are always the same on CE logFont.lfHeight = -abs(::MulDiv(::GetDeviceCaps(hDC1, LOGPIXELSY), logFont.lfHeight, 720)); // 72 points/inch, 10 decipoints/point #endif // _WIN32_WCE if(hDC == NULL) ::ReleaseDC(NULL, hDC1); return CreateFontIndirect(&logFont); } BOOL DeleteObject() { ATLASSERT(m_hFont != NULL); BOOL bRet = ::DeleteObject(m_hFont); if(bRet) m_hFont = NULL; return bRet; } // Attributes int GetLogFont(LOGFONT* pLogFont) const { ATLASSERT(m_hFont != NULL); return ::GetObject(m_hFont, sizeof(LOGFONT), pLogFont); } bool GetLogFont(LOGFONT& LogFont) const { ATLASSERT(m_hFont != NULL); return (::GetObject(m_hFont, sizeof(LOGFONT), &LogFont) == sizeof(LOGFONT)); } }; typedef CFontT CFontHandle; typedef CFontT CFont; /////////////////////////////////////////////////////////////////////////////// // CBitmap template class CBitmapT { public: // Data members HBITMAP m_hBitmap; // Constructor/destructor/operators CBitmapT(HBITMAP hBitmap = NULL) : m_hBitmap(hBitmap) { } ~CBitmapT() { if(t_bManaged && m_hBitmap != NULL) DeleteObject(); } CBitmapT& operator =(HBITMAP hBitmap) { Attach(hBitmap); return *this; } void Attach(HBITMAP hBitmap) { if(t_bManaged && m_hBitmap != NULL&& m_hBitmap != hBitmap) ::DeleteObject(m_hBitmap); m_hBitmap = hBitmap; } HBITMAP Detach() { HBITMAP hBitmap = m_hBitmap; m_hBitmap = NULL; return hBitmap; } operator HBITMAP() const { return m_hBitmap; } bool IsNull() const { return (m_hBitmap == NULL); } // Create and load methods HBITMAP LoadBitmap(ATL::_U_STRINGorID bitmap) { ATLASSERT(m_hBitmap == NULL); m_hBitmap = ::LoadBitmap(ModuleHelper::GetResourceInstance(), bitmap.m_lpstr); return m_hBitmap; } HBITMAP LoadOEMBitmap(UINT nIDBitmap) // for OBM_/OCR_/OIC_ { ATLASSERT(m_hBitmap == NULL); m_hBitmap = ::LoadBitmap(NULL, MAKEINTRESOURCE(nIDBitmap)); return m_hBitmap; } #ifndef _WIN32_WCE HBITMAP LoadMappedBitmap(UINT nIDBitmap, UINT nFlags = 0, LPCOLORMAP lpColorMap = NULL, int nMapSize = 0) { ATLASSERT(m_hBitmap == NULL); m_hBitmap = ::CreateMappedBitmap(ModuleHelper::GetResourceInstance(), nIDBitmap, (WORD)nFlags, lpColorMap, nMapSize); return m_hBitmap; } #endif // !_WIN32_WCE HBITMAP CreateBitmap(int nWidth, int nHeight, UINT nPlanes, UINT nBitsPerPixel, const void* lpBits) { ATLASSERT(m_hBitmap == NULL); m_hBitmap = ::CreateBitmap(nWidth, nHeight, nPlanes, nBitsPerPixel, lpBits); return m_hBitmap; } #ifndef _WIN32_WCE HBITMAP CreateBitmapIndirect(LPBITMAP lpBitmap) { ATLASSERT(m_hBitmap == NULL); m_hBitmap = ::CreateBitmapIndirect(lpBitmap); return m_hBitmap; } #endif // !_WIN32_WCE HBITMAP CreateCompatibleBitmap(HDC hDC, int nWidth, int nHeight) { ATLASSERT(m_hBitmap == NULL); m_hBitmap = ::CreateCompatibleBitmap(hDC, nWidth, nHeight); return m_hBitmap; } #ifndef _WIN32_WCE HBITMAP CreateDiscardableBitmap(HDC hDC, int nWidth, int nHeight) { ATLASSERT(m_hBitmap == NULL); m_hBitmap = ::CreateDiscardableBitmap(hDC, nWidth, nHeight); return m_hBitmap; } #endif // !_WIN32_WCE BOOL DeleteObject() { ATLASSERT(m_hBitmap != NULL); BOOL bRet = ::DeleteObject(m_hBitmap); if(bRet) m_hBitmap = NULL; return bRet; } // Attributes int GetBitmap(BITMAP* pBitMap) const { ATLASSERT(m_hBitmap != NULL); return ::GetObject(m_hBitmap, sizeof(BITMAP), pBitMap); } bool GetBitmap(BITMAP& bm) const { ATLASSERT(m_hBitmap != NULL); return (::GetObject(m_hBitmap, sizeof(BITMAP), &bm) == sizeof(BITMAP)); } bool GetSize(SIZE& size) const { ATLASSERT(m_hBitmap != NULL); BITMAP bm = { 0 }; if(!GetBitmap(&bm)) return false; size.cx = bm.bmWidth; size.cy = bm.bmHeight; return true; } #ifndef _WIN32_WCE DWORD GetBitmapBits(DWORD dwCount, LPVOID lpBits) const { ATLASSERT(m_hBitmap != NULL); return ::GetBitmapBits(m_hBitmap, dwCount, lpBits); } #endif // !_WIN32_WCE #if !defined(_WIN32_WCE) || (_WIN32_WCE >= 410) DWORD SetBitmapBits(DWORD dwCount, const void* lpBits) { ATLASSERT(m_hBitmap != NULL); return ::SetBitmapBits(m_hBitmap, dwCount, lpBits); } #endif // !defined(_WIN32_WCE) || (_WIN32_WCE >= 410) #ifndef _WIN32_WCE BOOL GetBitmapDimension(LPSIZE lpSize) const { ATLASSERT(m_hBitmap != NULL); return ::GetBitmapDimensionEx(m_hBitmap, lpSize); } BOOL SetBitmapDimension(int nWidth, int nHeight, LPSIZE lpSize = NULL) { ATLASSERT(m_hBitmap != NULL); return ::SetBitmapDimensionEx(m_hBitmap, nWidth, nHeight, lpSize); } // DIB support HBITMAP CreateDIBitmap(HDC hDC, CONST BITMAPINFOHEADER* lpbmih, DWORD dwInit, CONST VOID* lpbInit, CONST BITMAPINFO* lpbmi, UINT uColorUse) { ATLASSERT(m_hBitmap == NULL); m_hBitmap = ::CreateDIBitmap(hDC, lpbmih, dwInit, lpbInit, lpbmi, uColorUse); return m_hBitmap; } #endif // !_WIN32_WCE HBITMAP CreateDIBSection(HDC hDC, CONST BITMAPINFO* lpbmi, UINT uColorUse, VOID** ppvBits, HANDLE hSection, DWORD dwOffset) { ATLASSERT(m_hBitmap == NULL); m_hBitmap = ::CreateDIBSection(hDC, lpbmi, uColorUse, ppvBits, hSection, dwOffset); return m_hBitmap; } #ifndef _WIN32_WCE int GetDIBits(HDC hDC, UINT uStartScan, UINT cScanLines, LPVOID lpvBits, LPBITMAPINFO lpbmi, UINT uColorUse) const { ATLASSERT(m_hBitmap != NULL); return ::GetDIBits(hDC, m_hBitmap, uStartScan, cScanLines, lpvBits, lpbmi, uColorUse); } int SetDIBits(HDC hDC, UINT uStartScan, UINT cScanLines, CONST VOID* lpvBits, CONST BITMAPINFO* lpbmi, UINT uColorUse) { ATLASSERT(m_hBitmap != NULL); return ::SetDIBits(hDC, m_hBitmap, uStartScan, cScanLines, lpvBits, lpbmi, uColorUse); } #endif // !_WIN32_WCE }; typedef CBitmapT CBitmapHandle; typedef CBitmapT CBitmap; /////////////////////////////////////////////////////////////////////////////// // CPalette template class CPaletteT { public: // Data members HPALETTE m_hPalette; // Constructor/destructor/operators CPaletteT(HPALETTE hPalette = NULL) : m_hPalette(hPalette) { } ~CPaletteT() { if(t_bManaged && m_hPalette != NULL) DeleteObject(); } CPaletteT& operator =(HPALETTE hPalette) { Attach(hPalette); return *this; } void Attach(HPALETTE hPalette) { if(t_bManaged && m_hPalette != NULL && m_hPalette != hPalette) ::DeleteObject(m_hPalette); m_hPalette = hPalette; } HPALETTE Detach() { HPALETTE hPalette = m_hPalette; m_hPalette = NULL; return hPalette; } operator HPALETTE() const { return m_hPalette; } bool IsNull() const { return (m_hPalette == NULL); } // Create methods HPALETTE CreatePalette(LPLOGPALETTE lpLogPalette) { ATLASSERT(m_hPalette == NULL); m_hPalette = ::CreatePalette(lpLogPalette); return m_hPalette; } #ifndef _WIN32_WCE HPALETTE CreateHalftonePalette(HDC hDC) { ATLASSERT(m_hPalette == NULL); ATLASSERT(hDC != NULL); m_hPalette = ::CreateHalftonePalette(hDC); return m_hPalette; } #endif // !_WIN32_WCE BOOL DeleteObject() { ATLASSERT(m_hPalette != NULL); BOOL bRet = ::DeleteObject(m_hPalette); if(bRet) m_hPalette = NULL; return bRet; } // Attributes int GetEntryCount() const { ATLASSERT(m_hPalette != NULL); WORD nEntries = 0; ::GetObject(m_hPalette, sizeof(WORD), &nEntries); return (int)nEntries; } UINT GetPaletteEntries(UINT nStartIndex, UINT nNumEntries, LPPALETTEENTRY lpPaletteColors) const { ATLASSERT(m_hPalette != NULL); return ::GetPaletteEntries(m_hPalette, nStartIndex, nNumEntries, lpPaletteColors); } UINT SetPaletteEntries(UINT nStartIndex, UINT nNumEntries, LPPALETTEENTRY lpPaletteColors) { ATLASSERT(m_hPalette != NULL); return ::SetPaletteEntries(m_hPalette, nStartIndex, nNumEntries, lpPaletteColors); } // Operations #ifndef _WIN32_WCE void AnimatePalette(UINT nStartIndex, UINT nNumEntries, LPPALETTEENTRY lpPaletteColors) { ATLASSERT(m_hPalette != NULL); ::AnimatePalette(m_hPalette, nStartIndex, nNumEntries, lpPaletteColors); } BOOL ResizePalette(UINT nNumEntries) { ATLASSERT(m_hPalette != NULL); return ::ResizePalette(m_hPalette, nNumEntries); } #endif // !_WIN32_WCE UINT GetNearestPaletteIndex(COLORREF crColor) const { ATLASSERT(m_hPalette != NULL); return ::GetNearestPaletteIndex(m_hPalette, crColor); } }; typedef CPaletteT CPaletteHandle; typedef CPaletteT CPalette; /////////////////////////////////////////////////////////////////////////////// // CRgn template class CRgnT { public: // Data members HRGN m_hRgn; // Constructor/destructor/operators CRgnT(HRGN hRgn = NULL) : m_hRgn(hRgn) { } ~CRgnT() { if(t_bManaged && m_hRgn != NULL) DeleteObject(); } CRgnT& operator =(HRGN hRgn) { Attach(hRgn); return *this; } void Attach(HRGN hRgn) { if(t_bManaged && m_hRgn != NULL && m_hRgn != hRgn) ::DeleteObject(m_hRgn); m_hRgn = hRgn; } HRGN Detach() { HRGN hRgn = m_hRgn; m_hRgn = NULL; return hRgn; } operator HRGN() const { return m_hRgn; } bool IsNull() const { return (m_hRgn == NULL); } // Create methods HRGN CreateRectRgn(int x1, int y1, int x2, int y2) { ATLASSERT(m_hRgn == NULL); m_hRgn = ::CreateRectRgn(x1, y1, x2, y2); return m_hRgn; } HRGN CreateRectRgnIndirect(LPCRECT lpRect) { ATLASSERT(m_hRgn == NULL); m_hRgn = ::CreateRectRgnIndirect(lpRect); return m_hRgn; } #ifndef _WIN32_WCE HRGN CreateEllipticRgn(int x1, int y1, int x2, int y2) { ATLASSERT(m_hRgn == NULL); m_hRgn = ::CreateEllipticRgn(x1, y1, x2, y2); return m_hRgn; } HRGN CreateEllipticRgnIndirect(LPCRECT lpRect) { ATLASSERT(m_hRgn == NULL); m_hRgn = ::CreateEllipticRgnIndirect(lpRect); return m_hRgn; } HRGN CreatePolygonRgn(LPPOINT lpPoints, int nCount, int nMode) { ATLASSERT(m_hRgn == NULL); m_hRgn = ::CreatePolygonRgn(lpPoints, nCount, nMode); return m_hRgn; } HRGN CreatePolyPolygonRgn(LPPOINT lpPoints, LPINT lpPolyCounts, int nCount, int nPolyFillMode) { ATLASSERT(m_hRgn == NULL); m_hRgn = ::CreatePolyPolygonRgn(lpPoints, lpPolyCounts, nCount, nPolyFillMode); return m_hRgn; } HRGN CreateRoundRectRgn(int x1, int y1, int x2, int y2, int x3, int y3) { ATLASSERT(m_hRgn == NULL); m_hRgn = ::CreateRoundRectRgn(x1, y1, x2, y2, x3, y3); return m_hRgn; } HRGN CreateFromPath(HDC hDC) { ATLASSERT(m_hRgn == NULL); ATLASSERT(hDC != NULL); m_hRgn = ::PathToRegion(hDC); return m_hRgn; } HRGN CreateFromData(const XFORM* lpXForm, int nCount, const RGNDATA* pRgnData) { ATLASSERT(m_hRgn == NULL); m_hRgn = ::ExtCreateRegion(lpXForm, nCount, pRgnData); return m_hRgn; } #endif // !_WIN32_WCE BOOL DeleteObject() { ATLASSERT(m_hRgn != NULL); BOOL bRet = ::DeleteObject(m_hRgn); if(bRet) m_hRgn = NULL; return bRet; } // Operations void SetRectRgn(int x1, int y1, int x2, int y2) { ATLASSERT(m_hRgn != NULL); ::SetRectRgn(m_hRgn, x1, y1, x2, y2); } void SetRectRgn(LPCRECT lpRect) { ATLASSERT(m_hRgn != NULL); ::SetRectRgn(m_hRgn, lpRect->left, lpRect->top, lpRect->right, lpRect->bottom); } int CombineRgn(HRGN hRgnSrc1, HRGN hRgnSrc2, int nCombineMode) { ATLASSERT(m_hRgn != NULL); return ::CombineRgn(m_hRgn, hRgnSrc1, hRgnSrc2, nCombineMode); } int CombineRgn(HRGN hRgnSrc, int nCombineMode) { ATLASSERT(m_hRgn != NULL); return ::CombineRgn(m_hRgn, m_hRgn, hRgnSrc, nCombineMode); } int CopyRgn(HRGN hRgnSrc) { ATLASSERT(m_hRgn != NULL); return ::CombineRgn(m_hRgn, hRgnSrc, NULL, RGN_COPY); } BOOL EqualRgn(HRGN hRgn) const { ATLASSERT(m_hRgn != NULL); return ::EqualRgn(m_hRgn, hRgn); } int OffsetRgn(int x, int y) { ATLASSERT(m_hRgn != NULL); return ::OffsetRgn(m_hRgn, x, y); } int OffsetRgn(POINT point) { ATLASSERT(m_hRgn != NULL); return ::OffsetRgn(m_hRgn, point.x, point.y); } int GetRgnBox(LPRECT lpRect) const { ATLASSERT(m_hRgn != NULL); return ::GetRgnBox(m_hRgn, lpRect); } BOOL PtInRegion(int x, int y) const { ATLASSERT(m_hRgn != NULL); return ::PtInRegion(m_hRgn, x, y); } BOOL PtInRegion(POINT point) const { ATLASSERT(m_hRgn != NULL); return ::PtInRegion(m_hRgn, point.x, point.y); } BOOL RectInRegion(LPCRECT lpRect) const { ATLASSERT(m_hRgn != NULL); return ::RectInRegion(m_hRgn, lpRect); } int GetRegionData(LPRGNDATA lpRgnData, int nDataSize) const { ATLASSERT(m_hRgn != NULL); return (int)::GetRegionData(m_hRgn, nDataSize, lpRgnData); } }; typedef CRgnT CRgnHandle; typedef CRgnT CRgn; /////////////////////////////////////////////////////////////////////////////// // CDC - The device context class template class CDCT { public: // Data members HDC m_hDC; // Constructor/destructor/operators CDCT(HDC hDC = NULL) : m_hDC(hDC) { } ~CDCT() { if(t_bManaged && m_hDC != NULL) ::DeleteDC(Detach()); } CDCT& operator =(HDC hDC) { Attach(hDC); return *this; } void Attach(HDC hDC) { if(t_bManaged && m_hDC != NULL && m_hDC != hDC) ::DeleteDC(m_hDC); m_hDC = hDC; } HDC Detach() { HDC hDC = m_hDC; m_hDC = NULL; return hDC; } operator HDC() const { return m_hDC; } bool IsNull() const { return (m_hDC == NULL); } // Operations #ifndef _WIN32_WCE HWND WindowFromDC() const { ATLASSERT(m_hDC != NULL); return ::WindowFromDC(m_hDC); } #endif // !_WIN32_WCE CPenHandle GetCurrentPen() const { ATLASSERT(m_hDC != NULL); return CPenHandle((HPEN)::GetCurrentObject(m_hDC, OBJ_PEN)); } CBrushHandle GetCurrentBrush() const { ATLASSERT(m_hDC != NULL); return CBrushHandle((HBRUSH)::GetCurrentObject(m_hDC, OBJ_BRUSH)); } CPaletteHandle GetCurrentPalette() const { ATLASSERT(m_hDC != NULL); return CPaletteHandle((HPALETTE)::GetCurrentObject(m_hDC, OBJ_PAL)); } CFontHandle GetCurrentFont() const { ATLASSERT(m_hDC != NULL); return CFontHandle((HFONT)::GetCurrentObject(m_hDC, OBJ_FONT)); } CBitmapHandle GetCurrentBitmap() const { ATLASSERT(m_hDC != NULL); return CBitmapHandle((HBITMAP)::GetCurrentObject(m_hDC, OBJ_BITMAP)); } HDC CreateDC(LPCTSTR lpszDriverName, LPCTSTR lpszDeviceName, LPCTSTR lpszOutput, const DEVMODE* lpInitData) { ATLASSERT(m_hDC == NULL); m_hDC = ::CreateDC(lpszDriverName, lpszDeviceName, lpszOutput, lpInitData); return m_hDC; } HDC CreateCompatibleDC(HDC hDC = NULL) { ATLASSERT(m_hDC == NULL); m_hDC = ::CreateCompatibleDC(hDC); return m_hDC; } BOOL DeleteDC() { if(m_hDC == NULL) return FALSE; BOOL bRet = ::DeleteDC(m_hDC); if(bRet) m_hDC = NULL; return bRet; } // Device-Context Functions int SaveDC() { ATLASSERT(m_hDC != NULL); return ::SaveDC(m_hDC); } BOOL RestoreDC(int nSavedDC) { ATLASSERT(m_hDC != NULL); return ::RestoreDC(m_hDC, nSavedDC); } int GetDeviceCaps(int nIndex) const { ATLASSERT(m_hDC != NULL); return ::GetDeviceCaps(m_hDC, nIndex); } #ifndef _WIN32_WCE UINT SetBoundsRect(LPCRECT lpRectBounds, UINT flags) { ATLASSERT(m_hDC != NULL); return ::SetBoundsRect(m_hDC, lpRectBounds, flags); } UINT GetBoundsRect(LPRECT lpRectBounds, UINT flags) const { ATLASSERT(m_hDC != NULL); return ::GetBoundsRect(m_hDC, lpRectBounds, flags); } BOOL ResetDC(const DEVMODE* lpDevMode) { ATLASSERT(m_hDC != NULL); return ::ResetDC(m_hDC, lpDevMode) != NULL; } // Drawing-Tool Functions BOOL GetBrushOrg(LPPOINT lpPoint) const { ATLASSERT(m_hDC != NULL); return ::GetBrushOrgEx(m_hDC, lpPoint); } #endif // !_WIN32_WCE BOOL SetBrushOrg(int x, int y, LPPOINT lpPoint = NULL) { ATLASSERT(m_hDC != NULL); return ::SetBrushOrgEx(m_hDC, x, y, lpPoint); } BOOL SetBrushOrg(POINT point, LPPOINT lpPointRet = NULL) { ATLASSERT(m_hDC != NULL); return ::SetBrushOrgEx(m_hDC, point.x, point.y, lpPointRet); } #ifndef _WIN32_WCE int EnumObjects(int nObjectType, int (CALLBACK* lpfn)(LPVOID, LPARAM), LPARAM lpData) { ATLASSERT(m_hDC != NULL); #ifdef STRICT return ::EnumObjects(m_hDC, nObjectType, (GOBJENUMPROC)lpfn, lpData); #else return ::EnumObjects(m_hDC, nObjectType, (GOBJENUMPROC)lpfn, (LPVOID)lpData); #endif } #endif // !_WIN32_WCE // Type-safe selection helpers HPEN SelectPen(HPEN hPen) { ATLASSERT(m_hDC != NULL); #ifndef _WIN32_WCE ATLASSERT(hPen == NULL || ::GetObjectType(hPen) == OBJ_PEN || ::GetObjectType(hPen) == OBJ_EXTPEN); #else // CE specific ATLASSERT(hPen == NULL || ::GetObjectType(hPen) == OBJ_PEN); #endif // _WIN32_WCE return (HPEN)::SelectObject(m_hDC, hPen); } HBRUSH SelectBrush(HBRUSH hBrush) { ATLASSERT(m_hDC != NULL); ATLASSERT(hBrush == NULL || ::GetObjectType(hBrush) == OBJ_BRUSH); return (HBRUSH)::SelectObject(m_hDC, hBrush); } HFONT SelectFont(HFONT hFont) { ATLASSERT(m_hDC != NULL); ATLASSERT(hFont == NULL || ::GetObjectType(hFont) == OBJ_FONT); return (HFONT)::SelectObject(m_hDC, hFont); } HBITMAP SelectBitmap(HBITMAP hBitmap) { ATLASSERT(m_hDC != NULL); ATLASSERT(hBitmap == NULL || ::GetObjectType(hBitmap) == OBJ_BITMAP); return (HBITMAP)::SelectObject(m_hDC, hBitmap); } int SelectRgn(HRGN hRgn) // special return for regions { ATLASSERT(m_hDC != NULL); ATLASSERT(hRgn == NULL || ::GetObjectType(hRgn) == OBJ_REGION); return PtrToInt(::SelectObject(m_hDC, hRgn)); } // Type-safe selection helpers for stock objects HPEN SelectStockPen(int nPen) { ATLASSERT(m_hDC != NULL); #if (_WIN32_WINNT >= 0x0500) ATLASSERT(nPen == WHITE_PEN || nPen == BLACK_PEN || nPen == NULL_PEN || nPen == DC_PEN); #else ATLASSERT(nPen == WHITE_PEN || nPen == BLACK_PEN || nPen == NULL_PEN); #endif // !(_WIN32_WINNT >= 0x0500) return SelectPen((HPEN)::GetStockObject(nPen)); } HBRUSH SelectStockBrush(int nBrush) { #if (_WIN32_WINNT >= 0x0500) ATLASSERT((nBrush >= WHITE_BRUSH && nBrush <= HOLLOW_BRUSH) || nBrush == DC_BRUSH); #else ATLASSERT(nBrush >= WHITE_BRUSH && nBrush <= HOLLOW_BRUSH); #endif // !(_WIN32_WINNT >= 0x0500) return SelectBrush((HBRUSH)::GetStockObject(nBrush)); } HFONT SelectStockFont(int nFont) { #ifndef _WIN32_WCE ATLASSERT((nFont >= OEM_FIXED_FONT && nFont <= SYSTEM_FIXED_FONT) || nFont == DEFAULT_GUI_FONT); #else // CE specific ATLASSERT(nFont == SYSTEM_FONT); #endif // _WIN32_WCE return SelectFont((HFONT)::GetStockObject(nFont)); } HPALETTE SelectStockPalette(int nPalette, BOOL bForceBackground) { ATLASSERT(nPalette == DEFAULT_PALETTE); // the only one supported return SelectPalette((HPALETTE)::GetStockObject(nPalette), bForceBackground); } // Color and Color Palette Functions COLORREF GetNearestColor(COLORREF crColor) const { ATLASSERT(m_hDC != NULL); return ::GetNearestColor(m_hDC, crColor); } HPALETTE SelectPalette(HPALETTE hPalette, BOOL bForceBackground) { ATLASSERT(m_hDC != NULL); return ::SelectPalette(m_hDC, hPalette, bForceBackground); } UINT RealizePalette() { ATLASSERT(m_hDC != NULL); return ::RealizePalette(m_hDC); } #ifndef _WIN32_WCE void UpdateColors() { ATLASSERT(m_hDC != NULL); ::UpdateColors(m_hDC); } #endif // !_WIN32_WCE // Drawing-Attribute Functions COLORREF GetBkColor() const { ATLASSERT(m_hDC != NULL); return ::GetBkColor(m_hDC); } int GetBkMode() const { ATLASSERT(m_hDC != NULL); return ::GetBkMode(m_hDC); } #ifndef _WIN32_WCE int GetPolyFillMode() const { ATLASSERT(m_hDC != NULL); return ::GetPolyFillMode(m_hDC); } int GetROP2() const { ATLASSERT(m_hDC != NULL); return ::GetROP2(m_hDC); } int GetStretchBltMode() const { ATLASSERT(m_hDC != NULL); return ::GetStretchBltMode(m_hDC); } #endif // !_WIN32_WCE COLORREF GetTextColor() const { ATLASSERT(m_hDC != NULL); return ::GetTextColor(m_hDC); } COLORREF SetBkColor(COLORREF crColor) { ATLASSERT(m_hDC != NULL); return ::SetBkColor(m_hDC, crColor); } int SetBkMode(int nBkMode) { ATLASSERT(m_hDC != NULL); return ::SetBkMode(m_hDC, nBkMode); } #ifndef _WIN32_WCE int SetPolyFillMode(int nPolyFillMode) { ATLASSERT(m_hDC != NULL); return ::SetPolyFillMode(m_hDC, nPolyFillMode); } #endif // !_WIN32_WCE int SetROP2(int nDrawMode) { ATLASSERT(m_hDC != NULL); return ::SetROP2(m_hDC, nDrawMode); } #ifndef _WIN32_WCE int SetStretchBltMode(int nStretchMode) { ATLASSERT(m_hDC != NULL); return ::SetStretchBltMode(m_hDC, nStretchMode); } #endif // !_WIN32_WCE COLORREF SetTextColor(COLORREF crColor) { ATLASSERT(m_hDC != NULL); return ::SetTextColor(m_hDC, crColor); } #ifndef _WIN32_WCE BOOL GetColorAdjustment(LPCOLORADJUSTMENT lpColorAdjust) const { ATLASSERT(m_hDC != NULL); return ::GetColorAdjustment(m_hDC, lpColorAdjust); } BOOL SetColorAdjustment(const COLORADJUSTMENT* lpColorAdjust) { ATLASSERT(m_hDC != NULL); return ::SetColorAdjustment(m_hDC, lpColorAdjust); } // Mapping Functions int GetMapMode() const { ATLASSERT(m_hDC != NULL); return ::GetMapMode(m_hDC); } BOOL GetViewportOrg(LPPOINT lpPoint) const { ATLASSERT(m_hDC != NULL); return ::GetViewportOrgEx(m_hDC, lpPoint); } int SetMapMode(int nMapMode) { ATLASSERT(m_hDC != NULL); return ::SetMapMode(m_hDC, nMapMode); } #endif // !_WIN32_WCE // Viewport Origin BOOL SetViewportOrg(int x, int y, LPPOINT lpPoint = NULL) { ATLASSERT(m_hDC != NULL); return ::SetViewportOrgEx(m_hDC, x, y, lpPoint); } BOOL SetViewportOrg(POINT point, LPPOINT lpPointRet = NULL) { ATLASSERT(m_hDC != NULL); return SetViewportOrg(point.x, point.y, lpPointRet); } #ifndef _WIN32_WCE BOOL OffsetViewportOrg(int nWidth, int nHeight, LPPOINT lpPoint = NULL) { ATLASSERT(m_hDC != NULL); return ::OffsetViewportOrgEx(m_hDC, nWidth, nHeight, lpPoint); } // Viewport Extent BOOL GetViewportExt(LPSIZE lpSize) const { ATLASSERT(m_hDC != NULL); return ::GetViewportExtEx(m_hDC, lpSize); } BOOL SetViewportExt(int x, int y, LPSIZE lpSize = NULL) { ATLASSERT(m_hDC != NULL); return ::SetViewportExtEx(m_hDC, x, y, lpSize); } BOOL SetViewportExt(SIZE size, LPSIZE lpSizeRet = NULL) { ATLASSERT(m_hDC != NULL); return SetViewportExt(size.cx, size.cy, lpSizeRet); } BOOL ScaleViewportExt(int xNum, int xDenom, int yNum, int yDenom, LPSIZE lpSize = NULL) { ATLASSERT(m_hDC != NULL); return ::ScaleViewportExtEx(m_hDC, xNum, xDenom, yNum, yDenom, lpSize); } #endif // !_WIN32_WCE // Window Origin #ifndef _WIN32_WCE BOOL GetWindowOrg(LPPOINT lpPoint) const { ATLASSERT(m_hDC != NULL); return ::GetWindowOrgEx(m_hDC, lpPoint); } BOOL SetWindowOrg(int x, int y, LPPOINT lpPoint = NULL) { ATLASSERT(m_hDC != NULL); return ::SetWindowOrgEx(m_hDC, x, y, lpPoint); } BOOL SetWindowOrg(POINT point, LPPOINT lpPointRet = NULL) { ATLASSERT(m_hDC != NULL); return SetWindowOrg(point.x, point.y, lpPointRet); } BOOL OffsetWindowOrg(int nWidth, int nHeight, LPPOINT lpPoint = NULL) { ATLASSERT(m_hDC != NULL); return ::OffsetWindowOrgEx(m_hDC, nWidth, nHeight, lpPoint); } // Window extent BOOL GetWindowExt(LPSIZE lpSize) const { ATLASSERT(m_hDC != NULL); return ::GetWindowExtEx(m_hDC, lpSize); } BOOL SetWindowExt(int x, int y, LPSIZE lpSize = NULL) { ATLASSERT(m_hDC != NULL); return ::SetWindowExtEx(m_hDC, x, y, lpSize); } BOOL SetWindowExt(SIZE size, LPSIZE lpSizeRet = NULL) { ATLASSERT(m_hDC != NULL); return SetWindowExt(size.cx, size.cy, lpSizeRet); } BOOL ScaleWindowExt(int xNum, int xDenom, int yNum, int yDenom, LPSIZE lpSize = NULL) { ATLASSERT(m_hDC != NULL); return ::ScaleWindowExtEx(m_hDC, xNum, xDenom, yNum, yDenom, lpSize); } // Coordinate Functions BOOL DPtoLP(LPPOINT lpPoints, int nCount = 1) const { ATLASSERT(m_hDC != NULL); return ::DPtoLP(m_hDC, lpPoints, nCount); } BOOL DPtoLP(LPRECT lpRect) const { ATLASSERT(m_hDC != NULL); return ::DPtoLP(m_hDC, (LPPOINT)lpRect, 2); } BOOL DPtoLP(LPSIZE lpSize) const { SIZE sizeWinExt = { 0, 0 }; if(!GetWindowExt(&sizeWinExt)) return FALSE; SIZE sizeVpExt = { 0, 0 }; if(!GetViewportExt(&sizeVpExt)) return FALSE; lpSize->cx = ::MulDiv(lpSize->cx, abs(sizeWinExt.cx), abs(sizeVpExt.cx)); lpSize->cy = ::MulDiv(lpSize->cy, abs(sizeWinExt.cy), abs(sizeVpExt.cy)); return TRUE; } BOOL LPtoDP(LPPOINT lpPoints, int nCount = 1) const { ATLASSERT(m_hDC != NULL); return ::LPtoDP(m_hDC, lpPoints, nCount); } BOOL LPtoDP(LPRECT lpRect) const { ATLASSERT(m_hDC != NULL); return ::LPtoDP(m_hDC, (LPPOINT)lpRect, 2); } BOOL LPtoDP(LPSIZE lpSize) const { SIZE sizeWinExt = { 0, 0 }; if(!GetWindowExt(&sizeWinExt)) return FALSE; SIZE sizeVpExt = { 0, 0 }; if(!GetViewportExt(&sizeVpExt)) return FALSE; lpSize->cx = ::MulDiv(lpSize->cx, abs(sizeVpExt.cx), abs(sizeWinExt.cx)); lpSize->cy = ::MulDiv(lpSize->cy, abs(sizeVpExt.cy), abs(sizeWinExt.cy)); return TRUE; } // Special Coordinate Functions (useful for dealing with metafiles and OLE) #define HIMETRIC_INCH 2540 // HIMETRIC units per inch void DPtoHIMETRIC(LPSIZE lpSize) const { ATLASSERT(m_hDC != NULL); int nMapMode; if((nMapMode = GetMapMode()) < MM_ISOTROPIC && nMapMode != MM_TEXT) { // when using a constrained map mode, map against physical inch ((CDCHandle*)this)->SetMapMode(MM_HIMETRIC); DPtoLP(lpSize); ((CDCHandle*)this)->SetMapMode(nMapMode); } else { // map against logical inch for non-constrained mapping modes int cxPerInch = GetDeviceCaps(LOGPIXELSX); int cyPerInch = GetDeviceCaps(LOGPIXELSY); ATLASSERT(cxPerInch != 0 && cyPerInch != 0); lpSize->cx = ::MulDiv(lpSize->cx, HIMETRIC_INCH, cxPerInch); lpSize->cy = ::MulDiv(lpSize->cy, HIMETRIC_INCH, cyPerInch); } } void HIMETRICtoDP(LPSIZE lpSize) const { ATLASSERT(m_hDC != NULL); int nMapMode; if((nMapMode = GetMapMode()) < MM_ISOTROPIC && nMapMode != MM_TEXT) { // when using a constrained map mode, map against physical inch ((CDCHandle*)this)->SetMapMode(MM_HIMETRIC); LPtoDP(lpSize); ((CDCHandle*)this)->SetMapMode(nMapMode); } else { // map against logical inch for non-constrained mapping modes int cxPerInch = GetDeviceCaps(LOGPIXELSX); int cyPerInch = GetDeviceCaps(LOGPIXELSY); ATLASSERT(cxPerInch != 0 && cyPerInch != 0); lpSize->cx = ::MulDiv(lpSize->cx, cxPerInch, HIMETRIC_INCH); lpSize->cy = ::MulDiv(lpSize->cy, cyPerInch, HIMETRIC_INCH); } } void LPtoHIMETRIC(LPSIZE lpSize) const { LPtoDP(lpSize); DPtoHIMETRIC(lpSize); } void HIMETRICtoLP(LPSIZE lpSize) const { HIMETRICtoDP(lpSize); DPtoLP(lpSize); } #endif // !_WIN32_WCE // Region Functions BOOL FillRgn(HRGN hRgn, HBRUSH hBrush) { ATLASSERT(m_hDC != NULL); return ::FillRgn(m_hDC, hRgn, hBrush); } #ifndef _WIN32_WCE BOOL FrameRgn(HRGN hRgn, HBRUSH hBrush, int nWidth, int nHeight) { ATLASSERT(m_hDC != NULL); return ::FrameRgn(m_hDC, hRgn, hBrush, nWidth, nHeight); } BOOL InvertRgn(HRGN hRgn) { ATLASSERT(m_hDC != NULL); return ::InvertRgn(m_hDC, hRgn); } BOOL PaintRgn(HRGN hRgn) { ATLASSERT(m_hDC != NULL); return ::PaintRgn(m_hDC, hRgn); } #endif // !_WIN32_WCE // Clipping Functions int GetClipBox(LPRECT lpRect) const { ATLASSERT(m_hDC != NULL); return ::GetClipBox(m_hDC, lpRect); } int GetClipRgn(CRgn& region) const { ATLASSERT(m_hDC != NULL); if(region.IsNull()) region.CreateRectRgn(0, 0, 0, 0); int nRet = ::GetClipRgn(m_hDC, region); if(nRet != 1) region.DeleteObject(); return nRet; } #ifndef _WIN32_WCE BOOL PtVisible(int x, int y) const { ATLASSERT(m_hDC != NULL); return ::PtVisible(m_hDC, x, y); } BOOL PtVisible(POINT point) const { ATLASSERT(m_hDC != NULL); return ::PtVisible(m_hDC, point.x, point.y); } #endif // !_WIN32_WCE BOOL RectVisible(LPCRECT lpRect) const { ATLASSERT(m_hDC != NULL); return ::RectVisible(m_hDC, lpRect); } int SelectClipRgn(HRGN hRgn) { ATLASSERT(m_hDC != NULL); return ::SelectClipRgn(m_hDC, (HRGN)hRgn); } int ExcludeClipRect(int x1, int y1, int x2, int y2) { ATLASSERT(m_hDC != NULL); return ::ExcludeClipRect(m_hDC, x1, y1, x2, y2); } int ExcludeClipRect(LPCRECT lpRect) { ATLASSERT(m_hDC != NULL); return ::ExcludeClipRect(m_hDC, lpRect->left, lpRect->top, lpRect->right, lpRect->bottom); } #ifndef _WIN32_WCE int ExcludeUpdateRgn(HWND hWnd) { ATLASSERT(m_hDC != NULL); return ::ExcludeUpdateRgn(m_hDC, hWnd); } #endif // !_WIN32_WCE int IntersectClipRect(int x1, int y1, int x2, int y2) { ATLASSERT(m_hDC != NULL); return ::IntersectClipRect(m_hDC, x1, y1, x2, y2); } int IntersectClipRect(LPCRECT lpRect) { ATLASSERT(m_hDC != NULL); return ::IntersectClipRect(m_hDC, lpRect->left, lpRect->top, lpRect->right, lpRect->bottom); } #ifndef _WIN32_WCE int OffsetClipRgn(int x, int y) { ATLASSERT(m_hDC != NULL); return ::OffsetClipRgn(m_hDC, x, y); } int OffsetClipRgn(SIZE size) { ATLASSERT(m_hDC != NULL); return ::OffsetClipRgn(m_hDC, size.cx, size.cy); } int SelectClipRgn(HRGN hRgn, int nMode) { ATLASSERT(m_hDC != NULL); return ::ExtSelectClipRgn(m_hDC, hRgn, nMode); } #endif // !_WIN32_WCE // Line-Output Functions #if !defined(_WIN32_WCE) || (_WIN32_WCE >= 400) BOOL GetCurrentPosition(LPPOINT lpPoint) const { ATLASSERT(m_hDC != NULL); return ::GetCurrentPositionEx(m_hDC, lpPoint); } BOOL MoveTo(int x, int y, LPPOINT lpPoint = NULL) { ATLASSERT(m_hDC != NULL); return ::MoveToEx(m_hDC, x, y, lpPoint); } BOOL MoveTo(POINT point, LPPOINT lpPointRet = NULL) { ATLASSERT(m_hDC != NULL); return MoveTo(point.x, point.y, lpPointRet); } BOOL LineTo(int x, int y) { ATLASSERT(m_hDC != NULL); return ::LineTo(m_hDC, x, y); } BOOL LineTo(POINT point) { ATLASSERT(m_hDC != NULL); return LineTo(point.x, point.y); } #endif // !defined(_WIN32_WCE) || (_WIN32_WCE >= 400) #ifndef _WIN32_WCE BOOL Arc(int x1, int y1, int x2, int y2, int x3, int y3, int x4, int y4) { ATLASSERT(m_hDC != NULL); return ::Arc(m_hDC, x1, y1, x2, y2, x3, y3, x4, y4); } BOOL Arc(LPCRECT lpRect, POINT ptStart, POINT ptEnd) { ATLASSERT(m_hDC != NULL); return ::Arc(m_hDC, lpRect->left, lpRect->top, lpRect->right, lpRect->bottom, ptStart.x, ptStart.y, ptEnd.x, ptEnd.y); } #endif // !_WIN32_WCE BOOL Polyline(const POINT* lpPoints, int nCount) { ATLASSERT(m_hDC != NULL); return ::Polyline(m_hDC, lpPoints, nCount); } #ifndef _WIN32_WCE BOOL AngleArc(int x, int y, int nRadius, float fStartAngle, float fSweepAngle) { ATLASSERT(m_hDC != NULL); return ::AngleArc(m_hDC, x, y, nRadius, fStartAngle, fSweepAngle); } BOOL ArcTo(int x1, int y1, int x2, int y2, int x3, int y3, int x4, int y4) { ATLASSERT(m_hDC != NULL); return ::ArcTo(m_hDC, x1, y1, x2, y2, x3, y3, x4, y4); } BOOL ArcTo(LPCRECT lpRect, POINT ptStart, POINT ptEnd) { ATLASSERT(m_hDC != NULL); return ArcTo(lpRect->left, lpRect->top, lpRect->right, lpRect->bottom, ptStart.x, ptStart.y, ptEnd.x, ptEnd.y); } int GetArcDirection() const { ATLASSERT(m_hDC != NULL); return ::GetArcDirection(m_hDC); } int SetArcDirection(int nArcDirection) { ATLASSERT(m_hDC != NULL); return ::SetArcDirection(m_hDC, nArcDirection); } BOOL PolyDraw(const POINT* lpPoints, const BYTE* lpTypes, int nCount) { ATLASSERT(m_hDC != NULL); return ::PolyDraw(m_hDC, lpPoints, lpTypes, nCount); } BOOL PolylineTo(const POINT* lpPoints, int nCount) { ATLASSERT(m_hDC != NULL); return ::PolylineTo(m_hDC, lpPoints, nCount); } BOOL PolyPolyline(const POINT* lpPoints, const DWORD* lpPolyPoints, int nCount) { ATLASSERT(m_hDC != NULL); return ::PolyPolyline(m_hDC, lpPoints, lpPolyPoints, nCount); } BOOL PolyBezier(const POINT* lpPoints, int nCount) { ATLASSERT(m_hDC != NULL); return ::PolyBezier(m_hDC, lpPoints, nCount); } BOOL PolyBezierTo(const POINT* lpPoints, int nCount) { ATLASSERT(m_hDC != NULL); return ::PolyBezierTo(m_hDC, lpPoints, nCount); } #endif // !_WIN32_WCE // Simple Drawing Functions BOOL FillRect(LPCRECT lpRect, HBRUSH hBrush) { ATLASSERT(m_hDC != NULL); return ::FillRect(m_hDC, lpRect, hBrush); } BOOL FillRect(LPCRECT lpRect, int nColorIndex) { ATLASSERT(m_hDC != NULL); #ifndef _WIN32_WCE return ::FillRect(m_hDC, lpRect, (HBRUSH)LongToPtr(nColorIndex + 1)); #else // CE specific return ::FillRect(m_hDC, lpRect, ::GetSysColorBrush(nColorIndex)); #endif // _WIN32_WCE } #ifndef _WIN32_WCE BOOL FrameRect(LPCRECT lpRect, HBRUSH hBrush) { ATLASSERT(m_hDC != NULL); return ::FrameRect(m_hDC, lpRect, hBrush); } #endif // !_WIN32_WCE #if !defined(_WIN32_WCE) || (_WIN32_WCE >= 420) BOOL InvertRect(LPCRECT lpRect) { ATLASSERT(m_hDC != NULL); return ::InvertRect(m_hDC, lpRect); } #endif // !defined(_WIN32_WCE) || (_WIN32_WCE >= 420) BOOL DrawIcon(int x, int y, HICON hIcon) { ATLASSERT(m_hDC != NULL); #ifndef _WIN32_WCE return ::DrawIcon(m_hDC, x, y, hIcon); #else // CE specific return ::DrawIconEx(m_hDC, x, y, hIcon, 0, 0, 0, NULL, DI_NORMAL); #endif // _WIN32_WCE } BOOL DrawIcon(POINT point, HICON hIcon) { ATLASSERT(m_hDC != NULL); #ifndef _WIN32_WCE return ::DrawIcon(m_hDC, point.x, point.y, hIcon); #else // CE specific return ::DrawIconEx(m_hDC, point.x, point.y, hIcon, 0, 0, 0, NULL, DI_NORMAL); #endif // _WIN32_WCE } BOOL DrawIconEx(int x, int y, HICON hIcon, int cxWidth, int cyWidth, UINT uStepIfAniCur = 0, HBRUSH hbrFlickerFreeDraw = NULL, UINT uFlags = DI_NORMAL) { ATLASSERT(m_hDC != NULL); return ::DrawIconEx(m_hDC, x, y, hIcon, cxWidth, cyWidth, uStepIfAniCur, hbrFlickerFreeDraw, uFlags); } BOOL DrawIconEx(POINT point, HICON hIcon, SIZE size, UINT uStepIfAniCur = 0, HBRUSH hbrFlickerFreeDraw = NULL, UINT uFlags = DI_NORMAL) { ATLASSERT(m_hDC != NULL); return ::DrawIconEx(m_hDC, point.x, point.y, hIcon, size.cx, size.cy, uStepIfAniCur, hbrFlickerFreeDraw, uFlags); } #ifndef _WIN32_WCE BOOL DrawState(POINT pt, SIZE size, HBITMAP hBitmap, UINT nFlags, HBRUSH hBrush = NULL) { ATLASSERT(m_hDC != NULL); return ::DrawState(m_hDC, hBrush, NULL, (LPARAM)hBitmap, 0, pt.x, pt.y, size.cx, size.cy, nFlags | DST_BITMAP); } BOOL DrawState(POINT pt, SIZE size, HICON hIcon, UINT nFlags, HBRUSH hBrush = NULL) { ATLASSERT(m_hDC != NULL); return ::DrawState(m_hDC, hBrush, NULL, (LPARAM)hIcon, 0, pt.x, pt.y, size.cx, size.cy, nFlags | DST_ICON); } BOOL DrawState(POINT pt, SIZE size, LPCTSTR lpszText, UINT nFlags, BOOL bPrefixText = TRUE, int nTextLen = 0, HBRUSH hBrush = NULL) { ATLASSERT(m_hDC != NULL); return ::DrawState(m_hDC, hBrush, NULL, (LPARAM)lpszText, (WPARAM)nTextLen, pt.x, pt.y, size.cx, size.cy, nFlags | (bPrefixText ? DST_PREFIXTEXT : DST_TEXT)); } BOOL DrawState(POINT pt, SIZE size, DRAWSTATEPROC lpDrawProc, LPARAM lData, UINT nFlags, HBRUSH hBrush = NULL) { ATLASSERT(m_hDC != NULL); return ::DrawState(m_hDC, hBrush, lpDrawProc, lData, 0, pt.x, pt.y, size.cx, size.cy, nFlags | DST_COMPLEX); } #endif // !_WIN32_WCE // Ellipse and Polygon Functions #ifndef _WIN32_WCE BOOL Chord(int x1, int y1, int x2, int y2, int x3, int y3, int x4, int y4) { ATLASSERT(m_hDC != NULL); return ::Chord(m_hDC, x1, y1, x2, y2, x3, y3, x4, y4); } BOOL Chord(LPCRECT lpRect, POINT ptStart, POINT ptEnd) { ATLASSERT(m_hDC != NULL); return ::Chord(m_hDC, lpRect->left, lpRect->top, lpRect->right, lpRect->bottom, ptStart.x, ptStart.y, ptEnd.x, ptEnd.y); } #endif // !_WIN32_WCE void DrawFocusRect(LPCRECT lpRect) { ATLASSERT(m_hDC != NULL); ::DrawFocusRect(m_hDC, lpRect); } BOOL Ellipse(int x1, int y1, int x2, int y2) { ATLASSERT(m_hDC != NULL); return ::Ellipse(m_hDC, x1, y1, x2, y2); } BOOL Ellipse(LPCRECT lpRect) { ATLASSERT(m_hDC != NULL); return ::Ellipse(m_hDC, lpRect->left, lpRect->top, lpRect->right, lpRect->bottom); } #ifndef _WIN32_WCE BOOL Pie(int x1, int y1, int x2, int y2, int x3, int y3, int x4, int y4) { ATLASSERT(m_hDC != NULL); return ::Pie(m_hDC, x1, y1, x2, y2, x3, y3, x4, y4); } BOOL Pie(LPCRECT lpRect, POINT ptStart, POINT ptEnd) { ATLASSERT(m_hDC != NULL); return ::Pie(m_hDC, lpRect->left, lpRect->top, lpRect->right, lpRect->bottom, ptStart.x, ptStart.y, ptEnd.x, ptEnd.y); } #endif // !_WIN32_WCE BOOL Polygon(const POINT* lpPoints, int nCount) { ATLASSERT(m_hDC != NULL); return ::Polygon(m_hDC, lpPoints, nCount); } #ifndef _WIN32_WCE BOOL PolyPolygon(const POINT* lpPoints, const INT* lpPolyCounts, int nCount) { ATLASSERT(m_hDC != NULL); return ::PolyPolygon(m_hDC, lpPoints, lpPolyCounts, nCount); } #endif // !_WIN32_WCE BOOL Rectangle(int x1, int y1, int x2, int y2) { ATLASSERT(m_hDC != NULL); return ::Rectangle(m_hDC, x1, y1, x2, y2); } BOOL Rectangle(LPCRECT lpRect) { ATLASSERT(m_hDC != NULL); return ::Rectangle(m_hDC, lpRect->left, lpRect->top, lpRect->right, lpRect->bottom); } BOOL RoundRect(int x1, int y1, int x2, int y2, int x3, int y3) { ATLASSERT(m_hDC != NULL); return ::RoundRect(m_hDC, x1, y1, x2, y2, x3, y3); } BOOL RoundRect(LPCRECT lpRect, POINT point) { 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) #ifndef _WIN32_WCE 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); } #else // CE specific BOOL TransparentImage(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 ::TransparentImage(m_hDC, x, y, nWidth, nHeight, hSrcDC, xSrc, ySrc, nSrcWidth, nSrcHeight, crTransparent); } #endif // _WIN32_WCE #if (!defined(_WIN32_WCE) || (_WIN32_WCE >= 420)) 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); } BOOL GradientFillRect(RECT& rect, COLORREF clr1, COLORREF clr2, bool bHorizontal) { ATLASSERT(m_hDC != NULL); TRIVERTEX arrTvx[2] = { { 0 }, { 0 } }; arrTvx[0].x = rect.left; arrTvx[0].y = rect.top; arrTvx[0].Red = MAKEWORD(0, GetRValue(clr1)); arrTvx[0].Green = MAKEWORD(0, GetGValue(clr1)); arrTvx[0].Blue = MAKEWORD(0, GetBValue(clr1)); arrTvx[0].Alpha = 0; arrTvx[1].x = rect.right; arrTvx[1].y = rect.bottom; arrTvx[1].Red = MAKEWORD(0, GetRValue(clr2)); arrTvx[1].Green = MAKEWORD(0, GetGValue(clr2)); arrTvx[1].Blue = MAKEWORD(0, GetBValue(clr2)); arrTvx[1].Alpha = 0; GRADIENT_RECT gr = { 0, 1 }; return ::GradientFill(m_hDC, arrTvx, 2, &gr, 1, bHorizontal ? GRADIENT_FILL_RECT_H : GRADIENT_FILL_RECT_V); } #endif // !defined(_WIN32_WCE) || (_WIN32_WCE >= 420) #if !defined(_WIN32_WCE) || (_WIN32_WCE > 0x500) 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); } #endif // !defined(_WIN32_WCE) || (_WIN32_WCE > 0x500) #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); #ifndef _WIN32_WCE ATLASSERT((uFormat & DT_MODIFYSTRING) == 0); #endif // !_WIN32_WCE return ::DrawText(m_hDC, lpstrText, cchText, lpRect, uFormat); } int DrawText(LPTSTR 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); } 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); } #ifndef _WIN32_WCE 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; CTempBuffer buff; LPTSTR lpszText = buff.Allocate(nLen); if(lpszText == NULL) return FALSE; 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 _WIN32_WCE int Escape(int nEscape, int nCount, LPCSTR lpszInData, LPVOID lpOutData) { ATLASSERT(m_hDC != NULL); return ::Escape(m_hDC, nEscape, nCount, lpszInData, lpOutData); } #endif // !_WIN32_WCE 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); } #ifndef _WIN32_WCE int DrawEscape(int nEscape, int nInputSize, LPCSTR lpszInputData) { ATLASSERT(m_hDC != NULL); return ::DrawEscape(m_hDC, nEscape, nInputSize, lpszInputData); } #endif // !_WIN32_WCE // Escape helpers #if !defined(_WIN32_WCE) || ((_WIN32_WCE >= 200) && defined(StartDoc)) int StartDoc(LPCTSTR lpszDocName) // old Win3.0 version { DOCINFO di = { 0 }; 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); } #endif // !defined(_WIN32_WCE) || ((_WIN32_WCE >= 200) && defined(StartDoc)) // MetaFile Functions #ifndef _WIN32_WCE 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; } #endif // !_WIN32_WCE // Path Functions #ifndef _WIN32_WCE 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 lpPoints, LPBYTE lpTypes, int nCount) const { ATLASSERT(m_hDC != NULL); return ::GetPath(m_hDC, lpPoints, lpTypes, nCount); } BOOL SelectClipPath(int nMode) { ATLASSERT(m_hDC != NULL); return ::SelectClipPath(m_hDC, nMode); } #endif // !_WIN32_WCE // Misc Helper Functions static CBrushHandle PASCAL GetHalftoneBrush() { HBRUSH halftoneBrush = NULL; WORD grayPattern[8] = { 0 }; for(int i = 0; i < 8; i++) grayPattern[i] = (WORD)(0x5555 << (i & 1)); HBITMAP grayBitmap = CreateBitmap(8, 8, 1, 1, &grayPattern); if(grayBitmap != NULL) { halftoneBrush = ::CreatePatternBrush(grayBitmap); DeleteObject(grayBitmap); } return CBrushHandle(halftoneBrush); } void DrawDragRect(LPCRECT lpRect, SIZE size, LPCRECT lpRectLast, SIZE sizeLast, HBRUSH hBrush = NULL, HBRUSH hBrushLast = NULL) { // first, determine the update region and select it CRgn rgnOutside; rgnOutside.CreateRectRgnIndirect(lpRect); RECT rect = *lpRect; ::InflateRect(&rect, -size.cx, -size.cy); ::IntersectRect(&rect, &rect, lpRect); CRgn rgnInside; rgnInside.CreateRectRgnIndirect(&rect); CRgn rgnNew; rgnNew.CreateRectRgn(0, 0, 0, 0); rgnNew.CombineRgn(rgnOutside, rgnInside, RGN_XOR); HBRUSH hBrushOld = NULL; CBrush brushHalftone; if(hBrush == NULL) brushHalftone = hBrush = CDCHandle::GetHalftoneBrush(); if(hBrushLast == NULL) hBrushLast = hBrush; CRgn rgnLast; CRgn rgnUpdate; if(lpRectLast != NULL) { // find difference between new region and old region rgnLast.CreateRectRgn(0, 0, 0, 0); rgnOutside.SetRectRgn(lpRectLast->left, lpRectLast->top, lpRectLast->right, lpRectLast->bottom); rect = *lpRectLast; ::InflateRect(&rect, -sizeLast.cx, -sizeLast.cy); ::IntersectRect(&rect, &rect, lpRectLast); rgnInside.SetRectRgn(rect.left, rect.top, rect.right, rect.bottom); rgnLast.CombineRgn(rgnOutside, rgnInside, RGN_XOR); // only diff them if brushes are the same if(hBrush == hBrushLast) { rgnUpdate.CreateRectRgn(0, 0, 0, 0); rgnUpdate.CombineRgn(rgnLast, rgnNew, RGN_XOR); } } if(hBrush != hBrushLast && lpRectLast != NULL) { // brushes are different -- erase old region first SelectClipRgn(rgnLast); GetClipBox(&rect); hBrushOld = SelectBrush(hBrushLast); PatBlt(rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, PATINVERT); SelectBrush(hBrushOld); hBrushOld = NULL; } // draw into the update/new region SelectClipRgn(rgnUpdate.IsNull() ? rgnNew : rgnUpdate); GetClipBox(&rect); hBrushOld = SelectBrush(hBrush); PatBlt(rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, PATINVERT); // cleanup DC if(hBrushOld != NULL) SelectBrush(hBrushOld); SelectClipRgn(NULL); } void FillSolidRect(LPCRECT lpRect, COLORREF clr) { ATLASSERT(m_hDC != NULL); COLORREF clrOld = ::SetBkColor(m_hDC, clr); ATLASSERT(clrOld != CLR_INVALID); if(clrOld != CLR_INVALID) { ::ExtTextOut(m_hDC, 0, 0, ETO_OPAQUE, lpRect, NULL, 0, NULL); ::SetBkColor(m_hDC, clrOld); } } void FillSolidRect(int x, int y, int cx, int cy, COLORREF clr) { ATLASSERT(m_hDC != NULL); RECT rect = { x, y, x + cx, y + cy }; FillSolidRect(&rect, clr); } void Draw3dRect(LPCRECT lpRect, COLORREF clrTopLeft, COLORREF clrBottomRight) { Draw3dRect(lpRect->left, lpRect->top, lpRect->right - lpRect->left, lpRect->bottom - lpRect->top, clrTopLeft, clrBottomRight); } void Draw3dRect(int x, int y, int cx, int cy, COLORREF clrTopLeft, COLORREF clrBottomRight) { FillSolidRect(x, y, cx - 1, 1, clrTopLeft); FillSolidRect(x, y, 1, cy - 1, clrTopLeft); FillSolidRect(x + cx, y, -1, cy, clrBottomRight); FillSolidRect(x, y + cy, cx, -1, clrBottomRight); } // DIB support #if !defined(_WIN32_WCE) || (_WIN32_WCE >= 410) int SetDIBitsToDevice(int x, int y, DWORD dwWidth, DWORD dwHeight, int xSrc, int ySrc, UINT uStartScan, UINT cScanLines, CONST VOID* lpvBits, CONST BITMAPINFO* lpbmi, UINT uColorUse) { ATLASSERT(m_hDC != NULL); return ::SetDIBitsToDevice(m_hDC, x, y, dwWidth, dwHeight, xSrc, ySrc, uStartScan, cScanLines, lpvBits, lpbmi, uColorUse); } #endif // !defined(_WIN32_WCE) || (_WIN32_WCE >= 410) #if !defined(_WIN32_WCE) || (_WIN32_WCE >= 400) int StretchDIBits(int x, int y, int nWidth, int nHeight, int xSrc, int ySrc, int nSrcWidth, int nSrcHeight, CONST VOID* lpvBits, CONST BITMAPINFO* lpbmi, UINT uColorUse, DWORD dwRop) { ATLASSERT(m_hDC != NULL); return ::StretchDIBits(m_hDC, x, y, nWidth, nHeight, xSrc, ySrc, nSrcWidth, nSrcHeight, lpvBits, lpbmi, uColorUse, dwRop); } UINT GetDIBColorTable(UINT uStartIndex, UINT cEntries, RGBQUAD* pColors) const { ATLASSERT(m_hDC != NULL); return ::GetDIBColorTable(m_hDC, uStartIndex, cEntries, pColors); } UINT SetDIBColorTable(UINT uStartIndex, UINT cEntries, CONST RGBQUAD* pColors) { ATLASSERT(m_hDC != NULL); return ::SetDIBColorTable(m_hDC, uStartIndex, cEntries, pColors); } #endif // !defined(_WIN32_WCE) || (_WIN32_WCE >= 400) // OpenGL support #if !defined(_ATL_NO_OPENGL) && !defined(_WIN32_WCE) int ChoosePixelFormat(CONST PIXELFORMATDESCRIPTOR* ppfd) { ATLASSERT(m_hDC != NULL); return ::ChoosePixelFormat(m_hDC, ppfd); } int DescribePixelFormat(int iPixelFormat, UINT nBytes, LPPIXELFORMATDESCRIPTOR ppfd) { ATLASSERT(m_hDC != NULL); return ::DescribePixelFormat(m_hDC, iPixelFormat, nBytes, ppfd); } int GetPixelFormat() const { ATLASSERT(m_hDC != NULL); return ::GetPixelFormat(m_hDC); } BOOL SetPixelFormat(int iPixelFormat, CONST PIXELFORMATDESCRIPTOR* ppfd) { ATLASSERT(m_hDC != NULL); return ::SetPixelFormat(m_hDC, iPixelFormat, ppfd); } BOOL SwapBuffers() { ATLASSERT(m_hDC != NULL); return ::SwapBuffers(m_hDC); } HGLRC wglCreateContext() { ATLASSERT(m_hDC != NULL); return ::wglCreateContext(m_hDC); } HGLRC wglCreateLayerContext(int iLayerPlane) { ATLASSERT(m_hDC != NULL); return ::wglCreateLayerContext(m_hDC, iLayerPlane); } BOOL wglMakeCurrent(HGLRC hglrc) { ATLASSERT(m_hDC != NULL); return ::wglMakeCurrent(m_hDC, hglrc); } BOOL wglUseFontBitmaps(DWORD dwFirst, DWORD dwCount, DWORD listBase) { ATLASSERT(m_hDC != NULL); return ::wglUseFontBitmaps(m_hDC, dwFirst, dwCount, listBase); } BOOL wglUseFontOutlines(DWORD dwFirst, DWORD dwCount, DWORD listBase, FLOAT deviation, FLOAT extrusion, int format, LPGLYPHMETRICSFLOAT lpgmf) { ATLASSERT(m_hDC != NULL); return ::wglUseFontOutlines(m_hDC, dwFirst, dwCount, listBase, deviation, extrusion, format, lpgmf); } BOOL wglDescribeLayerPlane(int iPixelFormat, int iLayerPlane, UINT nBytes, LPLAYERPLANEDESCRIPTOR plpd) { ATLASSERT(m_hDC != NULL); return ::wglDescribeLayerPlane(m_hDC, iPixelFormat, iLayerPlane, nBytes, plpd); } int wglSetLayerPaletteEntries(int iLayerPlane, int iStart, int cEntries, CONST COLORREF* pclr) { ATLASSERT(m_hDC != NULL); return ::wglSetLayerPaletteEntries(m_hDC, iLayerPlane, iStart, cEntries, pclr); } int wglGetLayerPaletteEntries(int iLayerPlane, int iStart, int cEntries, COLORREF* pclr) { ATLASSERT(m_hDC != NULL); return ::wglGetLayerPaletteEntries(m_hDC, iLayerPlane, iStart, cEntries, pclr); } BOOL wglRealizeLayerPalette(int iLayerPlane, BOOL bRealize) { ATLASSERT(m_hDC != NULL); return ::wglRealizeLayerPalette(m_hDC, iLayerPlane, bRealize); } BOOL wglSwapLayerBuffers(UINT uPlanes) { ATLASSERT(m_hDC != NULL); return ::wglSwapLayerBuffers(m_hDC, uPlanes); } #endif // !defined(_ATL_NO_OPENGL) && !defined(_WIN32_WCE) // New for Windows 2000 only #if (_WIN32_WINNT >= 0x0500) COLORREF GetDCPenColor() const { ATLASSERT(m_hDC != NULL); return ::GetDCPenColor(m_hDC); } COLORREF SetDCPenColor(COLORREF clr) { ATLASSERT(m_hDC != NULL); return ::SetDCPenColor(m_hDC, clr); } COLORREF GetDCBrushColor() const { ATLASSERT(m_hDC != NULL); return ::GetDCBrushColor(m_hDC); } COLORREF SetDCBrushColor(COLORREF clr) { ATLASSERT(m_hDC != NULL); return ::SetDCBrushColor(m_hDC, clr); } #ifndef _WIN32_WCE DWORD GetFontUnicodeRanges(LPGLYPHSET lpgs) const { ATLASSERT(m_hDC != NULL); return ::GetFontUnicodeRanges(m_hDC, lpgs); } #endif // !_WIN32_WCE DWORD GetGlyphIndices(LPCTSTR lpstr, int cch, LPWORD pgi, DWORD dwFlags) const { ATLASSERT(m_hDC != NULL); return ::GetGlyphIndices(m_hDC, lpstr, cch, pgi, dwFlags); } BOOL GetTextExtentPointI(LPWORD pgiIn, int cgi, LPSIZE lpSize) const { ATLASSERT(m_hDC != NULL); return ::GetTextExtentPointI(m_hDC, pgiIn, cgi, lpSize); } BOOL GetTextExtentExPointI(LPWORD pgiIn, int cgi, int nMaxExtent, LPINT lpnFit, LPINT alpDx, LPSIZE lpSize) const { ATLASSERT(m_hDC != NULL); return ::GetTextExtentExPointI(m_hDC, pgiIn, cgi, nMaxExtent, lpnFit, alpDx, lpSize); } BOOL GetCharWidthI(UINT giFirst, UINT cgi, LPWORD pgi, LPINT lpBuffer) const { ATLASSERT(m_hDC != NULL); return ::GetCharWidthI(m_hDC, giFirst, cgi, pgi, lpBuffer); } BOOL GetCharABCWidthsI(UINT giFirst, UINT cgi, LPWORD pgi, LPABC lpabc) const { ATLASSERT(m_hDC != NULL); return ::GetCharABCWidthsI(m_hDC, giFirst, cgi, pgi, lpabc); } #endif // (_WIN32_WINNT >= 0x0500) // New for Windows 2000 and Windows 98 #if (WINVER >= 0x0500) && !defined(_WIN32_WCE) BOOL ColorCorrectPalette(HPALETTE hPalette, DWORD dwFirstEntry, DWORD dwNumOfEntries) { ATLASSERT(m_hDC != NULL); return ::ColorCorrectPalette(m_hDC, hPalette, dwFirstEntry, dwNumOfEntries); } #endif // (WINVER >= 0x0500) && !defined(_WIN32_WCE) }; typedef CDCT CDCHandle; typedef CDCT CDC; /////////////////////////////////////////////////////////////////////////////// // CDC Helpers class CPaintDC : public CDC { public: // Data members HWND m_hWnd; PAINTSTRUCT m_ps; // Constructor/destructor CPaintDC(HWND hWnd) { ATLASSERT(::IsWindow(hWnd)); m_hWnd = hWnd; m_hDC = ::BeginPaint(hWnd, &m_ps); } ~CPaintDC() { ATLASSERT(m_hDC != NULL); ATLASSERT(::IsWindow(m_hWnd)); ::EndPaint(m_hWnd, &m_ps); Detach(); } }; class CClientDC : public CDC { public: // Data members HWND m_hWnd; // Constructor/destructor CClientDC(HWND hWnd) { ATLASSERT(hWnd == NULL || ::IsWindow(hWnd)); m_hWnd = hWnd; m_hDC = ::GetDC(hWnd); } ~CClientDC() { ATLASSERT(m_hDC != NULL); ::ReleaseDC(m_hWnd, Detach()); } }; class CWindowDC : public CDC { public: // Data members HWND m_hWnd; // Constructor/destructor CWindowDC(HWND hWnd) { ATLASSERT(hWnd == NULL || ::IsWindow(hWnd)); m_hWnd = hWnd; m_hDC = ::GetWindowDC(hWnd); } ~CWindowDC() { ATLASSERT(m_hDC != NULL); ::ReleaseDC(m_hWnd, Detach()); } }; class CMemoryDC : public CDC { public: // Data members HDC m_hDCOriginal; RECT m_rcPaint; CBitmap m_bmp; HBITMAP m_hBmpOld; // Constructor/destructor CMemoryDC(HDC hDC, const RECT& rcPaint) : m_hDCOriginal(hDC), m_hBmpOld(NULL) { m_rcPaint = rcPaint; CreateCompatibleDC(m_hDCOriginal); ATLASSERT(m_hDC != NULL); m_bmp.CreateCompatibleBitmap(m_hDCOriginal, m_rcPaint.right - m_rcPaint.left, m_rcPaint.bottom - m_rcPaint.top); ATLASSERT(m_bmp.m_hBitmap != NULL); m_hBmpOld = SelectBitmap(m_bmp); SetViewportOrg(-m_rcPaint.left, -m_rcPaint.top); } ~CMemoryDC() { ::BitBlt(m_hDCOriginal, m_rcPaint.left, m_rcPaint.top, m_rcPaint.right - m_rcPaint.left, m_rcPaint.bottom - m_rcPaint.top, m_hDC, m_rcPaint.left, m_rcPaint.top, SRCCOPY); SelectBitmap(m_hBmpOld); } }; /////////////////////////////////////////////////////////////////////////////// // Enhanced metafile support #ifndef _WIN32_WCE class CEnhMetaFileInfo { public: // Data members HENHMETAFILE m_hEMF; BYTE* m_pBits; TCHAR* m_pDesc; ENHMETAHEADER m_header; PIXELFORMATDESCRIPTOR m_pfd; // Constructor/destructor CEnhMetaFileInfo(HENHMETAFILE hEMF) : m_pBits(NULL), m_pDesc(NULL), m_hEMF(hEMF) { } ~CEnhMetaFileInfo() { delete [] m_pBits; delete [] m_pDesc; } // Operations BYTE* GetEnhMetaFileBits() { ATLASSERT(m_hEMF != NULL); UINT nBytes = ::GetEnhMetaFileBits(m_hEMF, 0, NULL); delete [] m_pBits; m_pBits = NULL; ATLTRY(m_pBits = new BYTE[nBytes]); if (m_pBits != NULL) ::GetEnhMetaFileBits(m_hEMF, nBytes, m_pBits); return m_pBits; } LPTSTR GetEnhMetaFileDescription() { ATLASSERT(m_hEMF != NULL); UINT nLen = ::GetEnhMetaFileDescription(m_hEMF, 0, NULL); delete [] m_pDesc; m_pDesc = NULL; ATLTRY(m_pDesc = new TCHAR[nLen]); if (m_pDesc != NULL) nLen = ::GetEnhMetaFileDescription(m_hEMF, nLen, m_pDesc); return m_pDesc; } ENHMETAHEADER* GetEnhMetaFileHeader() { ATLASSERT(m_hEMF != NULL); memset(&m_header, 0, sizeof(m_header)); m_header.iType = EMR_HEADER; m_header.nSize = sizeof(ENHMETAHEADER); UINT n = ::GetEnhMetaFileHeader(m_hEMF, sizeof(ENHMETAHEADER), &m_header); return (n != 0) ? &m_header : NULL; } PIXELFORMATDESCRIPTOR* GetEnhMetaFilePixelFormat() { ATLASSERT(m_hEMF != NULL); memset(&m_pfd, 0, sizeof(m_pfd)); UINT n = ::GetEnhMetaFilePixelFormat(m_hEMF, sizeof(m_pfd), &m_pfd); return (n != 0) ? &m_pfd : NULL; } }; template class CEnhMetaFileT { public: // Data members HENHMETAFILE m_hEMF; // Constructor/destructor CEnhMetaFileT(HENHMETAFILE hEMF = NULL) : m_hEMF(hEMF) { } ~CEnhMetaFileT() { if(t_bManaged && m_hEMF != NULL) DeleteObject(); } // Operations CEnhMetaFileT& operator =(HENHMETAFILE hEMF) { Attach(hEMF); return *this; } void Attach(HENHMETAFILE hEMF) { if(t_bManaged && m_hEMF != NULL && m_hEMF != hEMF) DeleteObject(); m_hEMF = hEMF; } HENHMETAFILE Detach() { HENHMETAFILE hEMF = m_hEMF; m_hEMF = NULL; return hEMF; } operator HENHMETAFILE() const { return m_hEMF; } bool IsNull() const { return (m_hEMF == NULL); } BOOL DeleteObject() { ATLASSERT(m_hEMF != NULL); BOOL bRet = ::DeleteEnhMetaFile(m_hEMF); m_hEMF = NULL; return bRet; } UINT GetEnhMetaFileBits(UINT cbBuffer, LPBYTE lpbBuffer) const { ATLASSERT(m_hEMF != NULL); return ::GetEnhMetaFileBits(m_hEMF, cbBuffer, lpbBuffer); } UINT GetEnhMetaFileDescription(UINT cchBuffer, LPTSTR lpszDescription) const { ATLASSERT(m_hEMF != NULL); return ::GetEnhMetaFileDescription(m_hEMF, cchBuffer, lpszDescription); } UINT GetEnhMetaFileHeader(LPENHMETAHEADER lpemh) const { ATLASSERT(m_hEMF != NULL); lpemh->iType = EMR_HEADER; lpemh->nSize = sizeof(ENHMETAHEADER); return ::GetEnhMetaFileHeader(m_hEMF, sizeof(ENHMETAHEADER), lpemh); } UINT GetEnhMetaFilePaletteEntries(UINT cEntries, LPPALETTEENTRY lppe) const { ATLASSERT(m_hEMF != NULL); return ::GetEnhMetaFilePaletteEntries(m_hEMF, cEntries, lppe); } UINT GetEnhMetaFilePixelFormat(DWORD cbBuffer, PIXELFORMATDESCRIPTOR* ppfd) const { ATLASSERT(m_hEMF != NULL); return ::GetEnhMetaFilePixelFormat(m_hEMF, cbBuffer, ppfd); } }; typedef CEnhMetaFileT CEnhMetaFileHandle; typedef CEnhMetaFileT CEnhMetaFile; class CEnhMetaFileDC : public CDC { public: // Constructor/destructor CEnhMetaFileDC() { } CEnhMetaFileDC(HDC hdc, LPCRECT lpRect) { Create(hdc, NULL, lpRect, NULL); ATLASSERT(m_hDC != NULL); } CEnhMetaFileDC(HDC hdcRef, LPCTSTR lpFilename, LPCRECT lpRect, LPCTSTR lpDescription) { Create(hdcRef, lpFilename, lpRect, lpDescription); ATLASSERT(m_hDC != NULL); } ~CEnhMetaFileDC() { HENHMETAFILE hEMF = Close(); if (hEMF != NULL) ::DeleteEnhMetaFile(hEMF); } // Operations void Create(HDC hdcRef, LPCTSTR lpFilename, LPCRECT lpRect, LPCTSTR lpDescription) { ATLASSERT(m_hDC == NULL); m_hDC = ::CreateEnhMetaFile(hdcRef, lpFilename, lpRect, lpDescription); } HENHMETAFILE Close() { HENHMETAFILE hEMF = NULL; if (m_hDC != NULL) { hEMF = ::CloseEnhMetaFile(m_hDC); m_hDC = NULL; } return hEMF; } }; #endif // !_WIN32_WCE /////////////////////////////////////////////////////////////////////////////// // WinCE compatible clipboard CF_DIB format support functions #ifndef _WTL_NO_DIB16 #define DIBINFO16_BITFIELDS { 31744, 992, 31 } // DIBINFO16 - To avoid color table problems in WinCE we only create this type of Dib struct DIBINFO16 // a BITMAPINFO with 2 additional color bitfields { BITMAPINFOHEADER bmiHeader; RGBQUAD bmiColors[3]; DIBINFO16(SIZE size) { BITMAPINFOHEADER bmih = { sizeof(BITMAPINFOHEADER), size.cx, size.cy, 1, 16, BI_BITFIELDS, (DWORD)(2 * size.cx * size.cy), 0, 0, 3 }; DWORD dw[3] = DIBINFO16_BITFIELDS ; bmiHeader = bmih; SecureHelper::memcpy_x(bmiColors, sizeof(bmiColors), dw, 3 * sizeof(DWORD)); } }; // AtlxxxDibxxx minimal packed DIB implementation and helpers to copy and paste CF_DIB inline bool AtlIsDib16(LPBITMAPINFOHEADER pbmih) { return (pbmih->biBitCount == 16) && (pbmih->biCompression == BI_BITFIELDS); } inline int AtlGetDibColorTableSize(LPBITMAPINFOHEADER pbmih) { switch (pbmih->biBitCount) { case 2: case 4: case 8: return pbmih->biClrUsed ? pbmih->biClrUsed : 1 << pbmih->biBitCount; case 24: break; case 16: case 32: return pbmih->biCompression == BI_BITFIELDS ? 3 : 0; default: ATLASSERT(FALSE); // should never come here } return 0; } inline int AtlGetDibNumColors(LPBITMAPINFOHEADER pbmih) { switch (pbmih->biBitCount) { case 2: case 4: case 8: if (pbmih->biClrUsed) return pbmih->biClrUsed; else break; case 16: if (pbmih->biCompression == BI_BITFIELDS ) return 1 << 15; else break; case 24: break; case 32: if (pbmih->biCompression == BI_BITFIELDS ) return 1 << 24; else break; default: ATLASSERT(FALSE); } return 1 << pbmih->biBitCount; } inline HBITMAP AtlGetDibBitmap(LPBITMAPINFO pbmi) { CDC dc(NULL); void* pBits = NULL; LPBYTE pDibBits = (LPBYTE)pbmi + sizeof(BITMAPINFOHEADER) + AtlGetDibColorTableSize(&pbmi->bmiHeader) * sizeof(RGBQUAD); HBITMAP hbm = CreateDIBSection(dc, pbmi, DIB_RGB_COLORS, &pBits, NULL, NULL); if (hbm != NULL) { int cbBits = pbmi->bmiHeader.biWidth * pbmi->bmiHeader.biHeight * pbmi->bmiHeader.biBitCount / 8; SecureHelper::memcpy_x(pBits, cbBits, pDibBits, pbmi->bmiHeader.biSizeImage); } return hbm; } inline HBITMAP AtlCopyBitmap(HBITMAP hbm, SIZE sizeDst, bool bAsBitmap = false) { CDC hdcSrc = CreateCompatibleDC(NULL); CDC hdcDst = CreateCompatibleDC(NULL); CBitmapHandle hbmOld = NULL, hbmOld2 = NULL, bmSrc = hbm; CBitmap bmNew = NULL; SIZE sizeSrc = { 0 }; bmSrc.GetSize(sizeSrc); hbmOld = hdcSrc.SelectBitmap(bmSrc); if (bAsBitmap) { bmNew.CreateCompatibleBitmap(hdcSrc, sizeDst.cx, sizeDst.cy); } else { DIBINFO16 dib16(sizeDst); LPVOID pBits = NULL; bmNew = CreateDIBSection(hdcDst, (const BITMAPINFO*)&dib16, DIB_RGB_COLORS, &pBits, NULL, NULL); } ATLASSERT(!bmNew.IsNull()); hbmOld2 = hdcDst.SelectBitmap(bmNew); BOOL bOK = FALSE; if ((sizeDst.cx == sizeSrc.cx) && (sizeDst.cy == sizeSrc.cy)) bOK = hdcDst.BitBlt(0, 0, sizeDst.cx, sizeDst.cy, hdcSrc, 0, 0, SRCCOPY); else bOK = hdcDst.StretchBlt(0, 0, sizeDst.cx, sizeDst.cy, hdcSrc, 0, 0, sizeSrc.cx, sizeSrc.cy, SRCCOPY); hdcSrc.SelectBitmap(hbmOld); hdcDst.SelectBitmap(hbmOld2); if (bOK == FALSE) bmNew.DeleteObject(); return bmNew.Detach(); } inline HLOCAL AtlCreatePackedDib16(HBITMAP hbm, SIZE size) { DIBSECTION ds = { 0 }; LPBYTE pDib = NULL; bool bCopied = false; bool bOK = GetObject(hbm, sizeof(ds), &ds) == sizeof(ds); if ((bOK == FALSE) || (ds.dsBm.bmBits == NULL) || (AtlIsDib16(&ds.dsBmih) == FALSE) || (ds.dsBmih.biWidth != size.cx ) || (ds.dsBmih.biHeight != size.cy )) { if ((hbm = AtlCopyBitmap(hbm, size)) != NULL) { bCopied = true; bOK = GetObject(hbm, sizeof(ds), &ds) == sizeof(ds); } else { bOK = FALSE; } } if((bOK != FALSE) && (AtlIsDib16(&ds.dsBmih) != FALSE) && (ds.dsBm.bmBits != NULL)) { pDib = (LPBYTE)LocalAlloc(LMEM_ZEROINIT, sizeof(DIBINFO16) + ds.dsBmih.biSizeImage); if (pDib != NULL) { SecureHelper::memcpy_x(pDib, sizeof(DIBINFO16) + ds.dsBmih.biSizeImage, &ds.dsBmih, sizeof(DIBINFO16)); SecureHelper::memcpy_x(pDib + sizeof(DIBINFO16), ds.dsBmih.biSizeImage, ds.dsBm.bmBits, ds.dsBmih.biSizeImage); } } if (bCopied == true) DeleteObject(hbm); return (HLOCAL)pDib; } inline bool AtlSetClipboardDib16(HBITMAP hbm, SIZE size, HWND hWnd) { ATLASSERT(::IsWindow(hWnd)); BOOL bOK = OpenClipboard(hWnd); if (bOK != FALSE) { bOK = EmptyClipboard(); if (bOK != FALSE) { HLOCAL hDib = AtlCreatePackedDib16(hbm, size); if (hDib != NULL) { bOK = SetClipboardData(CF_DIB, hDib) != NULL; if (bOK == FALSE) LocalFree(hDib); } else { bOK = FALSE; } } CloseClipboard(); } return (bOK != FALSE); } inline HBITMAP AtlGetClipboardDib(HWND hWnd) { ATLASSERT(::IsWindow(hWnd) != FALSE); HBITMAP hbm = NULL; if (OpenClipboard(hWnd) != FALSE) { LPBITMAPINFO pbmi = (LPBITMAPINFO)GetClipboardData(CF_DIB); if (pbmi != NULL) hbm = AtlGetDibBitmap(pbmi); CloseClipboard(); } return hbm; } #endif // _WTL_NO_DIB16 }; // namespace WTL #endif // __ATLGDI_H__