www.pudn.com > Imaging.rar > ShowGifDlg.cpp

// ShowGifDlg.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "ShowGif.h" 
#include "ShowGifDlg.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
//Structure define 
#include "math.h" 
 
///////////////////////////////////////////////////////////////////////////// 
// CShowGifDlg dialog 
 
CShowGifDlg::CShowGifDlg(CWnd* pParent /*=NULL*/) 
	: CDialog(CShowGifDlg::IDD, pParent) 
{ 
	//{{AFX_DATA_INIT(CShowGifDlg) 
		// NOTE: the ClassWizard will add member initialization here 
	//}}AFX_DATA_INIT 
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32 
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME); 
} 
 
void CShowGifDlg::DoDataExchange(CDataExchange* pDX) 
{ 
	CDialog::DoDataExchange(pDX); 
	//{{AFX_DATA_MAP(CShowGifDlg) 
		// NOTE: the ClassWizard will add DDX and DDV calls here 
	//}}AFX_DATA_MAP 
} 
 
BEGIN_MESSAGE_MAP(CShowGifDlg, CDialog) 
	//{{AFX_MSG_MAP(CShowGifDlg) 
	ON_WM_PAINT() 
	ON_WM_QUERYDRAGICON() 
	ON_BN_CLICKED(IDC_LOAD, OnLoad) 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CShowGifDlg message handlers 
 
BOOL CShowGifDlg::OnInitDialog() 
{ 
	CDialog::OnInitDialog(); 
 
	// Set the icon for this dialog.  The framework does this automatically 
	//  when the application's main window is not a dialog 
	SetIcon(m_hIcon, TRUE);			// Set big icon 
	SetIcon(m_hIcon, FALSE);		// Set small icon 
	 
	// TODO: Add extra initialization here 
	 
	return TRUE;  // return TRUE  unless you set the focus to a control 
} 
 
// If you add a minimize button to your dialog, you will need the code below 
//  to draw the icon.  For MFC applications using the document/view model, 
//  this is automatically done for you by the framework. 
 
void CShowGifDlg::OnPaint()  
{ 
	if (IsIconic()) 
	{ 
		CPaintDC dc(this); // device context for painting 
 
		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0); 
 
		// Center icon in client rectangle 
		int cxIcon = GetSystemMetrics(SM_CXICON); 
		int cyIcon = GetSystemMetrics(SM_CYICON); 
		CRect rect; 
		GetClientRect(&rect); 
		int x = (rect.Width() - cxIcon + 1) / 2; 
		int y = (rect.Height() - cyIcon + 1) / 2; 
 
		// Draw the icon 
		dc.DrawIcon(x, y, m_hIcon); 
	} 
	else 
	{ 
		CDialog::OnPaint(); 
	} 
} 
 
// The system calls this to obtain the cursor to display while the user drags 
//  the minimized window. 
HCURSOR CShowGifDlg::OnQueryDragIcon() 
{ 
	return (HCURSOR) m_hIcon; 
} 
 
 
void CShowGifDlg::OnLoad()  
{ 
	// TODO: Add your control notification handler code here 
	char Path[256]; 
	GetCurrentDirectory(256,Path); 
	strcat(Path,"\\*.Gif"); 
	CFileDialog dlg(TRUE,"*.gif",Path,NULL, "gif file(*.gif)|*.gif||"); 
	CString szFilePath; 
	if ( dlg.DoModal() == IDOK ) 
	{ 
		szFilePath = dlg.GetPathName(); 
		m_Gif.LoadGIF (szFilePath);	 
		CDC * pDC = GetDC(); 
		 
		HDC hMemDC = ::CreateCompatibleDC(pDC->m_hDC); 
		HBITMAP hBmp = (HBITMAP)::CreateCompatibleBitmap(pDC->m_hDC ,800,600); 
		HBITMAP hOldBmp = (HBITMAP)::SelectObject(hMemDC,hBmp); 
		::BitBlt (hMemDC,0,0,800,600,pDC->m_hDC,0,0,SRCCOPY); 
 
		HDC hMemDC1 = ::CreateCompatibleDC(pDC->m_hDC); 
		HBITMAP hBmp1 = (HBITMAP)::CreateCompatibleBitmap(pDC->m_hDC ,800,600); 
		HBITMAP hOldBmp1 = (HBITMAP)::SelectObject(hMemDC1,hBmp1); 
		::BitBlt (hMemDC1,0,0,800,600,pDC->m_hDC,0,0,SRCCOPY); 
 
		CPoint pt(30,30); 
		int i = 0; 
		int k = 0; 
		MSG msg; 
		CRect Rect; 
		COLORREF tColor; 
		while (1) 
		{ 
			if (!m_Gif.ShowImage (hMemDC1,pt,i++)) 
			{ 
				i = 0; 
				m_Gif.ShowImage (hMemDC1,pt,i++); 
				k++; 
				if (k > 10) break; 
			} 
			if (m_Gif.GetImageInfo (Rect,tColor,i-1)) 
			{ 
				::BitBlt (pDC->m_hDC ,0,0,Rect.Width ()+pt.x + 50,Rect.Height ()+pt.y + 50,hMemDC1,0,0,SRCCOPY); 
				::BitBlt (hMemDC1,0,0,Rect.Width ()+pt.x + 50,Rect.Height ()+pt.y+50,hMemDC,0,0,SRCCOPY); 
			} 
			else 
			{ 
				::BitBlt (pDC->m_hDC ,0,0,800,600,hMemDC1,0,0,SRCCOPY); 
				::BitBlt (hMemDC1,0,0,800,600,hMemDC,0,0,SRCCOPY); 
			} 
			if(::PeekMessage(&msg, NULL, 0, 0, PM_REMOVE )) 
			{ 
				::TranslateMessage(&msg); 
				::DispatchMessage(&msg); 
			} 
			Sleep(100); 
			if(::PeekMessage(&msg, NULL, 0, 0, PM_REMOVE )) 
			{ 
				::TranslateMessage(&msg); 
				::DispatchMessage(&msg); 
			} 
			 
		} 
		ReleaseDC(pDC); 
		::SelectObject(hMemDC,hOldBmp); 
		::DeleteObject(hBmp); 
		::DeleteDC(hMemDC); 
		::SelectObject(hMemDC1,hOldBmp1); 
		::DeleteObject(hBmp1); 
		::DeleteDC(hMemDC1); 
	} 
 
}