gdipclockdlg.h

功能——在VC6.0中用GDI+调用png图片实现半透明渐变的特效窗口

// GDIPClockDlg.h : header file
//

#if !defined(AFX_GDIPCLOCKDLG_H__B8680715_567C_499C_889E_F2CE8B813863__INCLUDED_)
#define AFX_GDIPCLOCKDLG_H__B8680715_567C_499C_889E_F2CE8B813863__INCLUDED_

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

/////////////////////////////////////////////////////////////////////////////
// CGDIPClockDlg dialog

class CGDIPClockDlg : public CDialog
{
// Construction
public:
	BOOL ImageFromIDResource(UINT nID,LPCTSTR sTR,Image * &pImg);
	BOOL UpdateClockDisplay(int Transparent=255);
	CGDIPClockDlg(CWnd* pParent = NULL);	// standard constructor

	BLENDFUNCTION m_Blend;
	HDC m_hdcMemory;
	Image *m_pImageClock;
	Image *m_pImageClock1;
	Image *m_pImageHHour;
	Image *m_pImageHMinu;
	Image *m_pImageHSec;
	Image *m_pImageNum;
	int m_BakWidth , m_BakHeight ;
	int m_HourWidth, m_HourHeight;
	int m_MinuWidth , m_MinuHeight;
	int m_SecWidth  , m_SecHeight ;
	HINSTANCE hFuncInst ;
	typedef BOOL (WINAPI *MYFUNC)(HWND,HDC,POINT*,SIZE*,HDC,POINT*,COLORREF,BLENDFUNCTION*,DWORD);          
	MYFUNC UpdateLayeredWindow;

// Dialog Data
	//{{AFX_DATA(CGDIPClockDlg)
	enum { IDD = IDD_GDIPCLOCK_DIALOG };
		// NOTE: the ClassWizard will add data members here
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CGDIPClockDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);	// DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	afx_msg void OnContextMenu(CWnd*, CPoint point);
	HICON m_hIcon;

	// Generated message map functions
	//{{AFX_MSG(CGDIPClockDlg)
	virtual BOOL OnInitDialog();
	afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
	afx_msg void OnPaint();
	afx_msg HCURSOR OnQueryDragIcon();
	afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
	afx_msg void OnTimer(UINT nIDEvent);
	afx_msg void OnRButtonUp(UINT nFlags, CPoint point);
	afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
	afx_msg void OnDestroy();
	afx_msg void OnExit();
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

//{{AFX_INSERT_LOCATION}}
// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_GDIPCLOCKDLG_H__B8680715_567C_499C_889E_F2CE8B813863__INCLUDED_)