// MainDlg.h : interface of the CMainDlg class
//
/////////////////////////////////////////////////////////////////////////////

#if !defined(VFC_MAINDLG_H__9E8ABA70_0239_4836_AFDF_F4C7840A7648__INCLUDED_)
#define VFC_MAINDLG_H__9E8ABA70_0239_4836_AFDF_F4C7840A7648__INCLUDED_

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

#include <atlimage.h>


class CMainDlg : public CDialogImpl<CMainDlg>
{
public:
	enum { IDD = IDD_MAINDLG };
	enum { TimerID = 1111};

	BEGIN_MSG_MAP(CMainDlg)
		MESSAGE_HANDLER(WM_INITDIALOG, OnInitDialog)
		MESSAGE_HANDLER(WM_DESTROY, OnDestory)
		MESSAGE_HANDLER(WM_ERASEBKGND, OnEraseBkgnd)
		MESSAGE_HANDLER(WM_TIMER, OnTimer)
		COMMAND_ID_HANDLER(ID_APP_ABOUT, OnAppAbout)
		COMMAND_ID_HANDLER(IDOK, OnOK)
		COMMAND_ID_HANDLER(IDCANCEL, OnCancel)
	END_MSG_MAP()

// Handler prototypes (uncomment arguments if needed):
//	LRESULT MessageHandler(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
//	LRESULT CommandHandler(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
//	LRESULT NotifyHandler(int /*idCtrl*/, LPNMHDR /*pnmh*/, BOOL& /*bHandled*/)

	LRESULT OnInitDialog(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
	{
		// center the dialog on the screen
		CenterWindow();

		// set icons
		HICON hIcon = (HICON)::LoadImage(_Module.GetResourceInstance(), MAKEINTRESOURCE(IDR_MAINFRAME), 
			IMAGE_ICON, ::GetSystemMetrics(SM_CXICON), ::GetSystemMetrics(SM_CYICON), LR_DEFAULTCOLOR);
		SetIcon(hIcon, TRUE);
		HICON hIconSmall = (HICON)::LoadImage(_Module.GetResourceInstance(), MAKEINTRESOURCE(IDR_MAINFRAME), 
			IMAGE_ICON, ::GetSystemMetrics(SM_CXSMICON), ::GetSystemMetrics(SM_CYSMICON), LR_DEFAULTCOLOR);
		SetIcon(hIconSmall, FALSE);

		Gdiplus::GdiplusStartupInput StartupInput;  
		GdiplusStartup(&m_gdiplusToken,&StartupInput,NULL);  

		m_image_ = new Gdiplus::Image(_T("C:/Users/qiuji_000/Desktop/xxx/1.gif"));
		if(m_image_->GetLastStatus() != Gdiplus::Ok)
		{
			m_image_ = NULL;
			return FALSE;
		}
		m_size_.SetSize(m_image_->GetWidth(),m_image_->GetHeight());

		UINT count = m_image_->GetFrameDimensionsCount();
		m_pguid_=(GUID*)new GUID[count];
		m_image_->GetFrameDimensionsList(&m_pguid_[0],count);
		WCHAR strGuid[MAX_PATH];
		StringFromGUID2(m_pguid_[0],strGuid,MAX_PATH);
		m_img_cnt_=m_image_->GetFrameCount(&m_pguid_[0]);

		m_img_interval_ = m_image_->GetPropertyItemSize(PropertyTagFrameDelay);
		m_cur_ = 0;

		m_pitem_=(Gdiplus::PropertyItem*)new BYTE[m_img_interval_];
		m_image_->GetPropertyItem(PropertyTagFrameDelay,m_img_interval_,m_pitem_);

		// 设置属性WS_EX_LAYERED
		LONG lWindowLong = ::GetWindowLong(this->m_hWnd, GWL_EXSTYLE) | WS_EX_LAYERED;
		::SetWindowLong(this->m_hWnd, GWL_EXSTYLE, lWindowLong);
	
		SetTimer(TimerID,this->m_img_interval_,NULL);
		this->Paint();
		return TRUE;
	}

	void	Paint()
	{
		CClientDC dc_(this->m_hWnd);
		CDC mem_dc_;
		mem_dc_.CreateCompatibleDC(dc_);
		CBitmap mem_bitmap_;
#if 0
		mem_bitmap_.CreateCompatibleBitmap(dc_,
			m_size_.cx,
			m_size_.cy);
#else
		BITMAPINFOHEADER bmih;
		bmih.biSize                  = sizeof (BITMAPINFOHEADER) ;
		bmih.biWidth                 = m_size_.cx ;
		bmih.biHeight                = m_size_.cy ;
		bmih.biPlanes                = 1 ;
		bmih.biBitCount              = 32 ;  //注意32位
		bmih.biCompression           = BI_RGB ;
		bmih.biSizeImage             = 0 ;
		bmih.biXPelsPerMeter         = 0 ;
		bmih.biYPelsPerMeter         = 0 ;
		bmih.biClrUsed               = 0 ;
		bmih.biClrImportant          = 0 ;
		mem_bitmap_.CreateDIBitmap(dc_,&bmih,0,NULL,NULL,0);
#endif
		mem_dc_.SelectBitmap(mem_bitmap_);

		// 刷图片
		m_image_->SelectActiveFrame(&m_pguid_[0],m_cur_);
		Gdiplus::Graphics g(mem_dc_);
		g.DrawImage(m_image_,0,0);

		BLENDFUNCTION pb_;
		pb_.AlphaFormat = 1;
		pb_.BlendOp = 0;
		pb_.BlendFlags =0;
		pb_.SourceConstantAlpha = 0xFF;

		CRect rect_;
		this->GetWindowRect(rect_);
		CPoint topleft_(rect_.TopLeft());

		CPoint  pt_(0,0);
		::UpdateLayeredWindow(this->m_hWnd,dc_,&topleft_,&m_size_,mem_dc_,&pt_,0,&pb_,ULW_ALPHA );

	}

	LRESULT OnEraseBkgnd(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
	{
		return TRUE;
	}
	LRESULT OnTimer(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
	{
		m_cur_ ++;
		if(m_cur_ >= m_img_cnt_)
			m_cur_ = 0;
		this->Paint();
		return 0;
	}

	LRESULT OnDestory(UINT /*uMsg*/, WPARAM /*wParam*/, LPARAM /*lParam*/, BOOL& /*bHandled*/)
	{
		delete[] m_pguid_;
		delete m_image_;
		delete[] (LPBYTE)m_pitem_;

		Gdiplus::GdiplusShutdown(m_gdiplusToken);  
		return 0;
	}

	LRESULT OnAppAbout(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
	{
		CSimpleDialog<IDD_ABOUTBOX, FALSE> dlg;
		dlg.DoModal();
		return 0;
	}

	LRESULT OnOK(WORD /*wNotifyCode*/, WORD wID, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
	{
		// TODO: Add validation code 
		EndDialog(wID);
		return 0;
	}

	LRESULT OnCancel(WORD /*wNotifyCode*/, WORD wID, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
	{
		EndDialog(wID);
		return 0;
	}

private:
	ULONG_PTR m_gdiplusToken;  
	//CImage    m_image_;
	Gdiplus::Image*   m_image_;
	CSize			m_size_;
	GUID * m_pguid_;
	Gdiplus::PropertyItem *m_pitem_;
	UINT m_img_cnt_;
	int m_img_interval_;
	int m_cur_;
};

/////////////////////////////////////////////////////////////////////////////

//
// VisualFC AppWizard will insert additional declarations immediately before the previous line.

#endif // !defined(VFC_MAINDLG_H__9E8ABA70_0239_4836_AFDF_F4C7840A7648__INCLUDED_)