rostests/dibtests/bltrop/bltrop.c

   1 /*
   2  * Shows the 15 well known BitBlt raster operations
   3  * using src, dest, pattern, a background brush and color.
   4  *
   5  * Created by Gregor Schneider <grschneider AT gmail DOT com>, November 2008
   6 */
   7
   8 #include <windows.h>
   9 #include <tchar.h>
  10
  11 HINSTANCE hInst;
  12 TCHAR szWindowClass[] = _T("testclass");
  13
  14 static LRESULT CALLBACK
  15 WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
  16 {
  17     static HBITMAP hBmpTest;
  18
  19     switch (message)
  20     {
  21         case WM_CREATE:
  22         {
  23             hBmpTest = (HBITMAP)LoadImage(hInst, MAKEINTRESOURCE(100), IMAGE_BITMAP, 0, 0, LR_DEFAULTCOLOR);
  24             break;
  25         }
  26
  27         case WM_PAINT:
  28         {
  29             PAINTSTRUCT ps;
  30             HDC hdc, hdcMem;
  31             BITMAP bitmap;
  32             HBRUSH brush, brush2;
  33
  34             hdc = BeginPaint(hWnd, &ps);
  35             hdcMem = CreateCompatibleDC(hdc);
  36
  37             GetObject(hBmpTest, sizeof(BITMAP), &bitmap);
  38
  39             /* fill destination with brush */
  40             brush = CreateHatchBrush(HS_DIAGCROSS, RGB(255,0,0));
  41             SelectObject(hdc, brush);
  42             PatBlt(hdc, 0, 0, 4*bitmap.bmWidth, 4*bitmap.bmHeight, PATCOPY);
  43             /* set up a second brush */
  44             brush2 = CreateHatchBrush(HS_VERTICAL, RGB(127,127,127));
  45
  46             /* first select brush, then set bk color */
  47             SelectObject(hdc, brush2);
  48             SetBkColor(hdc, RGB(0, 255, 0));
  49
  50             /* 15 blt op's */
  51             SelectObject(hdcMem, hBmpTest);
  52             BitBlt(hdc, 0,   0, bitmap.bmWidth, bitmap.bmHeight, hdcMem, 0, 0, SRCCOPY);
  53             BitBlt(hdc, 100, 0, bitmap.bmWidth, bitmap.bmHeight, hdcMem, 0, 0, DSTINVERT);
  54             BitBlt(hdc, 200, 0, bitmap.bmWidth, bitmap.bmHeight, hdcMem, 0, 0, MERGECOPY);
  55             BitBlt(hdc, 300, 0, bitmap.bmWidth, bitmap.bmHeight, hdcMem, 0, 0, MERGEPAINT);
  56
  57             BitBlt(hdc, 0,   100, bitmap.bmWidth, bitmap.bmHeight, hdcMem, 0, 0, NOTSRCCOPY);
  58             BitBlt(hdc, 100, 100, bitmap.bmWidth, bitmap.bmHeight, hdcMem, 0, 0, NOTSRCERASE);
  59             BitBlt(hdc, 200, 100, bitmap.bmWidth, bitmap.bmHeight, hdcMem, 0, 0, PATCOPY);
  60             BitBlt(hdc, 300, 100, bitmap.bmWidth, bitmap.bmHeight, hdcMem, 0, 0, PATINVERT);
  61
  62             BitBlt(hdc, 0,   200, bitmap.bmWidth, bitmap.bmHeight, hdcMem, 0, 0, PATPAINT);
  63             BitBlt(hdc, 100, 200, bitmap.bmWidth, bitmap.bmHeight, hdcMem, 0, 0, SRCAND);
  64             BitBlt(hdc, 200, 200, bitmap.bmWidth, bitmap.bmHeight, hdcMem, 0, 0, SRCERASE);
  65             BitBlt(hdc, 300, 200, bitmap.bmWidth, bitmap.bmHeight, hdcMem, 0, 0, SRCINVERT);
  66
  67             BitBlt(hdc, 0,   300, bitmap.bmWidth, bitmap.bmHeight, hdcMem, 0, 0, BLACKNESS);
  68             BitBlt(hdc, 100, 300, bitmap.bmWidth, bitmap.bmHeight, hdcMem, 0, 0, SRCPAINT);
  69             BitBlt(hdc, 200, 300, bitmap.bmWidth, bitmap.bmHeight, hdcMem, 0, 0, WHITENESS);
  70
  71             DeleteDC(hdcMem);
  72             EndPaint(hWnd, &ps);
  73             break;
  74         }
  75
  76         case WM_DESTROY:
  77             PostQuitMessage(0);
  78             break;
  79         default:
  80             return DefWindowProc(hWnd, message, wParam, lParam);
  81     }
  82     return 0;
  83 }
  84
  85
  86 static ATOM
  87 MyRegisterClass(HINSTANCE hInstance)
  88 {
  89     WNDCLASSEX wcex;
  90
  91     wcex.cbSize = sizeof(WNDCLASSEX);
  92
  93     wcex.style         = CS_HREDRAW | CS_VREDRAW;
  94     wcex.lpfnWndProc   = WndProc;
  95     wcex.cbClsExtra    = 0;
  96     wcex.cbWndExtra    = 0;
  97     wcex.hInstance     = hInstance;
  98     wcex.hIcon         = NULL;
  99     wcex.hCursor       = LoadCursor(NULL, IDC_ARROW);
 100     wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
 101     wcex.lpszMenuName  = NULL;
 102     wcex.lpszClassName = szWindowClass;
 103     wcex.hIconSm       = NULL;
 104
 105     return RegisterClassEx(&wcex);
 106 }
 107
 108
 109 static BOOL
 110 InitInstance(HINSTANCE hInstance, int nCmdShow)
 111 {
 112    HWND hWnd;
 113
 114    hInst = hInstance;
 115
 116    hWnd = CreateWindowEx(0,
 117                          szWindowClass,
 118                          _T("BitBlt raster operation test"),
 119                          WS_OVERLAPPEDWINDOW,
 120                          CW_USEDEFAULT,
 121                          CW_USEDEFAULT,
 122                          440,
 123                          440,
 124                          NULL,
 125                          NULL,
 126                          hInstance,
 127                          NULL);
 128
 129    if (!hWnd)
 130    {
 131       return FALSE;
 132    }
 133
 134    ShowWindow(hWnd, nCmdShow);
 135    UpdateWindow(hWnd);
 136
 137    return TRUE;
 138 }
 139
 140
 141 int WINAPI
 142 _tWinMain(HINSTANCE hInstance,
 143                      HINSTANCE hPrevInstance,
 144                      LPTSTR    lpCmdLine,
 145                      int       nCmdShow)
 146 {
 147     MSG msg;
 148
 149     MyRegisterClass(hInstance);
 150
 151     if (!InitInstance(hInstance, nCmdShow))
 152     {
 153         return FALSE;
 154     }
 155
 156     while (GetMessage(&msg, NULL, 0, 0))
 157     {
 158         TranslateMessage(&msg);
 159         DispatchMessage(&msg);
 160     }
 161
 162     return (int)msg.wParam;
 163 }