MFC extension library - A plugin to handle owner drawn menus

// Some plug-in header
//
//////////////////////////////////////////////////////////////////////

#if !defined(MY_MAINFRAME_PLUG_IN)
#define MY_MAINFRAME_PLUG_IN

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#pragma warning(disable : 4786)
#include <map>

// how the menu's are drawn, either original or XP style
typedef enum {BCMENU_DRAWMODE_ORIGINAL,BCMENU_DRAWMODE_XP} BC_MenuDrawMode;

// how seperators are handled when removing a menu (Tongzhe Cui)
typedef enum {BCMENU_NONE, BCMENU_HEAD, BCMENU_TAIL, BCMENU_BOTH} BC_Seperator;

class CODMenu : public CPlugInMap  
{
public:
	DECLARE_DYNCREATE(CODMenu)

	CODMenu();
	CODMenu(bool special);
	virtual ~CODMenu();

// Attributes
public:
// Operations
public:
// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CODMenu)
	//}}AFX_VIRTUAL
	virtual CPlugInMap*		CreateMapObject() ;
	virtual bool			IsPlugInFor(CRuntimeClass *pClass);
	static void				EnumerateAndLoadToolbars();

// Implementation
protected:

	// Generated message map functions
	//{{AFX_MSG(CODMenu)
	afx_msg void OnInitMenuPopup(CMenu* pPopupMenu, UINT nIndex, BOOL bSysMenu);
	afx_msg void OnDrawItem(int nIDCtl, LPDRAWITEMSTRUCT lpDrawItemStruct);
	afx_msg void OnMeasureItem(int nIDCtl, LPMEASUREITEMSTRUCT lpMeasureItemStruct);
	//}}AFX_MSG
#ifdef _DEBUG
	afx_msg void OnMenuDebug();
	afx_msg void OnUpdateMenuDebug(CCmdUI *pCmdUI);
#endif

	DECLARE_MESSAGE_MAP()
private:
	static BOOL		GetBitmapFromImageList(CDC* pDC,CImageList *imglist,int nIndex,CBitmap &bmp);
	static void		DitherBlt2(CDC *drawdc, CBitmap &bmp, COLORREF bgcolor);
	static void		DitherBlt3(CDC *drawdc, CBitmap &bmp, COLORREF bgcolor);
	static BOOL CALLBACK EnumResNameProc(HMODULE hModule, LPCTSTR lpszType, LPTSTR lpszName, LONG lParam);
	static void		GetDisabledBitmap(CBitmap &bmp, COLORREF background);
	static COLORREF	LightenColor(COLORREF col,double factor);
	
	void			MeasureItem(LPMEASUREITEMSTRUCT lpMIS);
	void			DrawItem(LPDRAWITEMSTRUCT lpDIS);
	BOOL			IsLunaMenuStyle();
	BOOL			IsNewShell();
	BOOL			IsWinXPLuna();
	BOOL			IsWindowsClassicTheme();
	void			DrawItem_Win9xNT2000(LPDRAWITEMSTRUCT lpDIS);
	void			DrawItem_WinXP(LPDRAWITEMSTRUCT lpDIS);
	COLORREF		DarkenColor(COLORREF col,double factor);
	BOOL			Draw3DCheckmark(CDC *dc, const CRect& rc, BOOL bSelected, HBITMAP hbmCheck);
	BOOL			DrawXPCheckmark(CDC *dc, const CRect& rc, HBITMAP hbmCheck,COLORREF &colorout,BOOL selected);
	void			DrawRadioDot(CDC *pDC,int x,int y,COLORREF color);
	void			DrawCheckMark(CDC* pDC,int x,int y,COLORREF color,BOOL narrowflag=FALSE);

	static CFont	m_menuFont;
	static CFont	m_menuFontBold;
	static int		m_iconX;
	static int		m_iconY;
	static std::map<int, int>	m_commandToImage;
	// button images lists for normal/disabled states
	static CImageList	m_buttonImages;
	static CImageList	m_disabledImages;

	HMENU			m_menuBeingProcessed;
	bool			m_bSysMenu;				// true if prcoessing a system menu
	int				m_minSystemMenuWidth;	// min width of a system menu for correct drawing
#ifdef _DEBUG
	static int		m_pluggedInCount;
	friend class CDebugMenu;
#endif
};

#endif // !defined(MY_MAINFRAME_PLUG_IN)