atlgdi.h

一个与传统电子字典不同的字典

	{
		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<false>   CRgnHandle;
typedef CRgnT<true>    CRgn;


///////////////////////////////////////////////////////////////////////////////
// CDC - The device context class

template <bool t_bManaged>
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<t_bManaged>& 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);