动态图标代码

// AniDemoDlg.cpp : implementation file // #include "stdafx.h" #include "AniDemo.h" #include "AniDemoDlg.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif ///////////////////////////////////////////////////////////////////////////// // CAboutDlg dialog used for App About #include "hyperlink.h" class CAboutDlg : public CDialog { public: CAboutDlg(); // Dialog Data //{{AFX_DATA(CAboutDlg) enum { IDD = IDD_ABOUTBOX }; CHyperLink m_ctrlEmail; //}}AFX_DATA // ClassWizard generated virtual function overrides //{{AFX_VIRTUAL(CAboutDlg) protected: virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support //}}AFX_VIRTUAL // Implementation protected: //{{AFX_MSG(CAboutDlg) virtual BOOL OnInitDialog(); //}}AFX_MSG DECLARE_MESSAGE_MAP() }; CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD) { //{{AFX_DATA_INIT(CAboutDlg) //}}AFX_DATA_INIT } void CAboutDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CAboutDlg) DDX_Control(pDX, IDC_EMAIL, m_ctrlEmail); //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CAboutDlg, CDialog) //{{AFX_MSG_MAP(CAboutDlg) //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CAniDemoDlg dialog CAniDemoDlg::CAniDemoDlg(CWnd* pParent /*=NULL*/) : CDialog(CAniDemoDlg::IDD, pParent) { //{{AFX_DATA_INIT(CAniDemoDlg) // 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); m_hAniCursor = NULL; m_nTimer = NULL; } void CAniDemoDlg::DoDataExchange(CDataExchange* pDX) { CDialog::DoDataExchange(pDX); //{{AFX_DATA_MAP(CAniDemoDlg) // NOTE: the ClassWizard will add DDX and DDV calls here //}}AFX_DATA_MAP } BEGIN_MESSAGE_MAP(CAniDemoDlg, CDialog) //{{AFX_MSG_MAP(CAniDemoDlg) ON_WM_SYSCOMMAND() ON_WM_PAINT() ON_WM_QUERYDRAGICON() ON_WM_SETCURSOR() ON_WM_TIMER() ON_WM_LBUTTONDOWN() //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////////////////////////////////////////////////////////////// // CAniDemoDlg message handlers BOOL CAniDemoDlg::OnInitDialog() { CDialog::OnInitDialog(); // Add "About..." menu item to system menu. // IDM_ABOUTBOX must be in the system command range. ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX); ASSERT(IDM_ABOUTBOX < 0xF000); CMenu* pSysMenu = GetSystemMenu(FALSE); if (pSysMenu != NULL) { CString strAboutMenu; strAboutMenu.LoadString(IDS_ABOUTBOX); if (!strAboutMenu.IsEmpty()) { pSysMenu->AppendMenu(MF_SEPARATOR); pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu); } } // 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 ModifyStyle(WS_CAPTION, 0); char pathname[_MAX_PATH]; char drive[_MAX_DRIVE]; char dir[_MAX_DIR]; char fname[_MAX_FNAME]; char ext[_MAX_EXT]; GetModuleFileName(NULL, pathname, _MAX_PATH); _splitpath(pathname, drive, dir, fname, ext); _makepath(pathname, drive, dir, "butterfly", "ani"); if(m_hAniCursor == NULL) { m_hAniCursor = LoadCursorFromFile(pathname); if(m_hAniCursor == NULL) AfxMessageBox("AniCursor load failure"); } CBitmap bmp; if(bmp.LoadBitmap(IDB_FLOWER)) { HRGN rgn; rgn = BitmapToRegion((HBITMAP)bmp, RGB(0, 0, 0)); SetWindowRgn(rgn, TRUE); bmp.DeleteObject(); } m_nTimer = SetTimer(ID_ANIMATEICON, 100, NULL); return TRUE; // return TRUE unless you set the focus to a control } void CAniDemoDlg::OnSysCommand(UINT nID, LPARAM lParam) { if ((nID & 0xFFF0) == IDM_ABOUTBOX) { CAboutDlg dlgAbout; dlgAbout.DoModal(); } else { CDialog::OnSysCommand(nID, lParam); } } // 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 CAniDemoDlg::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 { CClientDC dc(this); CDC memDC; memDC.CreateCompatibleDC(&dc); CBitmap bmp; bmp.LoadBitmap(IDB_FLOWER); CBitmap *pOldBmp; pOldBmp = memDC.SelectObject(&bmp); BITMAP bm; bmp.GetBitmap(&bm); dc.BitBlt(0, 0, bm.bmWidth, bm.bmHeight, &memDC, 0, 0, SRCCOPY); memDC.SelectObject(pOldBmp); bmp.DeleteObject(); CDialog::OnPaint(); } } // The system calls this to obtain the cursor to display while the user drags // the minimized window. HCURSOR CAniDemoDlg::OnQueryDragIcon() { return (HCURSOR) m_hIcon; } // // BitmapToRegion : create a region from the "non-transparent" pixels of a bitmap // author : Jean-Edouard Lachand-Robert (http://www.geocities.com/paris/leftbank/1160/resume.htm), june 1998. // E-mail: iamwired@geocities.com // hBmp : source bitmap // cTransparentColor : color base for the "transparent" pixels (default is black) // cTolerance : color tolerance for the "transparent" pixels. // a pixel is assumed to be transparent if the value of each of its 3 components (blue, green and red) is // greater or equal to the corresponding value in cTransparentColor and is lower or equal to the // corresponding value in cTransparentColor + cTolerance. HRGN CAniDemoDlg::BitmapToRegion(HBITMAP hBmp, COLORREF cTransparentColor, COLORREF cTolerance) { HRGN hRgn = NULL; if (hBmp) { // Create a memory DC inside which we will scan the bitmap content HDC hMemDC = CreateCompatibleDC(NULL); if (hMemDC) { // Get bitmap size BITMAP bm; GetObject(hBmp, sizeof(bm), &bm); // Create a 32 bits depth bitmap and select it into the memory DC BITMAPINFOHEADER RGB32BITSBITMAPINFO = { sizeof(BITMAPINFOHEADER), // biSize bm.bmWidth, // biWidth; bm.bmHeight, // biHeight; 1, // biPlanes; 32, // biBitCount BI_RGB, // biCompression; 0, // biSizeImage; 0, // biXPelsPerMeter; 0, // biYPelsPerMeter; 0, // biClrUsed; 0 // biClrImportant; }; VOID * pbits32; HBITMAP hbm32 = CreateDIBSection(hMemDC, (BITMAPINFO *)&RGB32BITSBITMAPINFO, DIB_RGB_COLORS, &pbits32, NULL, 0); if (hbm32) { HBITMAP holdBmp = (HBITMAP)SelectObject(hMemDC, hbm32); // Create a DC just to copy the bitmap into the memory DC HDC hDC = CreateCompatibleDC(hMemDC); if (hDC) { // Get how many bytes per row we have for the bitmap bits (rounded up to 32 bits) BITMAP bm32; GetObject(hbm32, sizeof(bm32), &bm32); while (bm32.bmWidthBytes % 4) bm32.bmWidthBytes++; // Copy the bitmap into the memory DC HBITMAP holdBmp = (HBITMAP)SelectObject(hDC, hBmp); BitBlt(hMemDC, 0, 0, bm.bmWidth, bm.bmHeight, hDC, 0, 0, SRCCOPY); // For better performances, we will use the ExtCreateRegion() function to create the // region. This function take a RGNDATA structure on entry. We will add rectangles by // amount of ALLOC_UNIT number in this structure. #define ALLOC_UNIT 100 DWORD maxRects = ALLOC_UNIT; HANDLE hData = GlobalAlloc(