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C/C++ Source or Header  |  1996-01-31  |  6KB  |  199 lines
  1.  
  2. #include <windows.h>  
  3. #include "BitBlt.h" 
  4.  
  5.  
  6. #if defined (WIN32)
  7.     #define IS_WIN32 TRUE
  8. #else
  9.     #define IS_WIN32 FALSE
  10. #endif
  11.  
  12. #define IS_NT      IS_WIN32 && (BOOL)(GetVersion() < 0x80000000)
  13. #define IS_WIN32S  IS_WIN32 && (BOOL)(!(IS_NT) && (LOBYTE(LOWORD(GetVersion()))<4))
  14. #define IS_WIN95   (BOOL)(!(IS_NT) && !(IS_WIN32S)) && IS_WIN32
  15.  
  16. HINSTANCE hInst;   // current instance
  17.  
  18. LPCTSTR lpszAppName  = "MyApp";
  19. LPCTSTR lpszTitle    = "My Application"; 
  20.  
  21. BOOL RegisterWin95( CONST WNDCLASS* lpwc );
  22.  
  23. int APIENTRY WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance,
  24.                       LPTSTR lpCmdLine, int nCmdShow)
  25. {
  26.    MSG      msg;
  27.    HWND     hWnd; 
  28.    WNDCLASS wc;
  29.  
  30.    // Register the main application window class.
  31.    //............................................
  32.    wc.style         = CS_HREDRAW | CS_VREDRAW;
  33.    wc.lpfnWndProc   = (WNDPROC)WndProc;       
  34.    wc.cbClsExtra    = 0;                      
  35.    wc.cbWndExtra    = 0;                      
  36.    wc.hInstance     = hInstance;              
  37.    wc.hIcon         = LoadIcon( hInstance, lpszAppName ); 
  38.    wc.hCursor       = LoadCursor(NULL, IDC_ARROW);
  39.    wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
  40.    wc.lpszMenuName  = lpszAppName;              
  41.    wc.lpszClassName = lpszAppName;              
  42.  
  43.    if ( IS_WIN95 )
  44.    {
  45.       if ( !RegisterWin95( &wc ) )
  46.          return( FALSE );
  47.    }
  48.    else if ( !RegisterClass( &wc ) )
  49.       return( FALSE );
  50.  
  51.    hInst = hInstance; 
  52.  
  53.    // Create the main application window.
  54.    //....................................
  55.    hWnd = CreateWindow( lpszAppName, 
  56.                         lpszTitle,    
  57.                         WS_OVERLAPPEDWINDOW, 
  58.                         CW_USEDEFAULT, 0, 
  59.                         CW_USEDEFAULT, 0,  
  60.                         NULL,              
  61.                         NULL,              
  62.                         hInstance,         
  63.                         NULL               
  64.                       );
  65.  
  66.    if ( !hWnd ) 
  67.       return( FALSE );
  68.  
  69.    ShowWindow( hWnd, nCmdShow ); 
  70.    UpdateWindow( hWnd );         
  71.  
  72.    while( GetMessage( &msg, NULL, 0, 0) )   
  73.    {
  74.       TranslateMessage( &msg ); 
  75.       DispatchMessage( &msg );  
  76.    }
  77.  
  78.    return( msg.wParam ); 
  79. }
  80.  
  81.  
  82. BOOL RegisterWin95( CONST WNDCLASS* lpwc )
  83. {
  84.    WNDCLASSEX wcex;
  85.  
  86.    wcex.style         = lpwc->style;
  87.    wcex.lpfnWndProc   = lpwc->lpfnWndProc;
  88.    wcex.cbClsExtra    = lpwc->cbClsExtra;
  89.    wcex.cbWndExtra    = lpwc->cbWndExtra;
  90.    wcex.hInstance     = lpwc->hInstance;
  91.    wcex.hIcon         = lpwc->hIcon;
  92.    wcex.hCursor       = lpwc->hCursor;
  93.    wcex.hbrBackground = lpwc->hbrBackground;
  94.    wcex.lpszMenuName  = lpwc->lpszMenuName;
  95.    wcex.lpszClassName = lpwc->lpszClassName;
  96.  
  97.    // Added elements for Windows 95.
  98.    //...............................
  99.    wcex.cbSize = sizeof(WNDCLASSEX);
  100.    wcex.hIconSm = LoadImage(wcex.hInstance, lpwc->lpszClassName, 
  101.                             IMAGE_ICON, 16, 16,
  102.                             LR_DEFAULTCOLOR );
  103.             
  104.    return RegisterClassEx( &wcex );
  105. }
  106.  
  107. LRESULT CALLBACK WndProc( HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam )
  108. {
  109.    switch( uMsg )
  110.    {
  111.       case WM_COMMAND :
  112.               switch( LOWORD( wParam ) )
  113.               {
  114.                  case IDM_TEST :
  115.                         {
  116.                             HBITMAP hBitmap;
  117.                             BITMAP  bm;
  118.                             HDC     hDC;
  119.                             HDC     hMemDC;
  120.                             RECT    rect;
  121.                             int     x,y;
  122.  
  123.                             // Load the bitmap into memory.
  124.                             //.............................
  125.                             hBitmap = LoadBitmap( hInst, "SmileBMP" );
  126.  
  127.                             // Get the bitmap information.
  128.                             //............................
  129.                             GetObject( hBitmap, sizeof( BITMAP ), &bm );
  130.  
  131.                             // Paint the bitmap on the screen.
  132.                             //................................
  133.                             hDC = GetDC( hWnd );
  134.                             hMemDC = CreateCompatibleDC( hDC );
  135.  
  136.                             SelectObject( hMemDC, hBitmap );
  137.  
  138.                             GetClientRect( hWnd, &rect );
  139.  
  140.                             for ( y=0; y < rect.bottom; y += bm.bmHeight )
  141.                                for ( x=0; x < rect.right; x += bm.bmWidth )
  142.                                {
  143.                                   BitBlt( hDC, x, y, 
  144.                                               bm.bmWidth, 
  145.                                               bm.bmHeight, 
  146.                                               hMemDC, 0, 0, SRCCOPY );
  147.                                }
  148.     
  149.                             DeleteDC( hMemDC );
  150.                             ReleaseDC( hWnd, hDC );
  151.                             DeleteObject( hBitmap );
  152.                          }
  153.                          break;
  154.  
  155.                  case IDM_ABOUT :
  156.                         DialogBox( hInst, "AboutBox", hWnd, (DLGPROC)About );
  157.                         break;
  158.  
  159.                  case IDM_EXIT :
  160.                         DestroyWindow( hWnd );
  161.                         break;
  162.               }
  163.               break;
  164.       
  165.       case WM_DESTROY :
  166.               PostQuitMessage(0);
  167.               break;
  168.  
  169.       default :
  170.             return( DefWindowProc( hWnd, uMsg, wParam, lParam ) );
  171.    }
  172.  
  173.    return( 0L );
  174. }
  175.  
  176.  
  177. LRESULT CALLBACK About( HWND hDlg,           
  178.                         UINT message,        
  179.                         WPARAM wParam,       
  180.                         LPARAM lParam)
  181. {
  182.    switch (message) 
  183.    {
  184.        case WM_INITDIALOG: 
  185.                return (TRUE);
  186.  
  187.        case WM_COMMAND:                              
  188.                if (   LOWORD(wParam) == IDOK         
  189.                    || LOWORD(wParam) == IDCANCEL)    
  190.                {
  191.                        EndDialog(hDlg, TRUE);        
  192.                        return (TRUE);
  193.                }
  194.                break;
  195.    }
  196.  
  197.    return (FALSE); 
  198. }
  199.