rostests/apitests/gdi32api/tests/GetDIBits.c

   1 INT
   2 Test_GetDIBits(PTESTINFO pti)
   3 {
   4         HDC hDCScreen;
   5         HBITMAP hBitmap;
   6         BITMAPINFO bi;
   7         INT ScreenBpp;
   8
   9         hDCScreen = GetDC(NULL);
  10         if (hDCScreen == NULL)
  11         {
  12                 return FALSE;
  13         }
  14
  15         hBitmap = CreateCompatibleBitmap(hDCScreen, 16, 16);
  16         RTEST(hBitmap != NULL);
  17
  18         /* misc */
  19         SetLastError(ERROR_SUCCESS);
  20         RTEST(GetDIBits(0, 0, 0, 0, NULL, NULL, 0) == 0);
  21         RTEST(GetLastError() == ERROR_INVALID_PARAMETER);
  22
  23         SetLastError(ERROR_SUCCESS);
  24         RTEST(GetDIBits((HDC)2345, 0, 0, 0, NULL, NULL, 0) == 0);
  25         RTEST(GetLastError() == ERROR_INVALID_PARAMETER);
  26
  27         SetLastError(ERROR_SUCCESS);
  28         RTEST(GetDIBits((HDC)2345, hBitmap, 0, 0, NULL, NULL, 0) == 0);
  29         RTEST(GetLastError() == ERROR_INVALID_PARAMETER);
  30
  31         SetLastError(ERROR_SUCCESS);
  32         RTEST(GetDIBits((HDC)2345, hBitmap, 0, 15, NULL, &bi, 0) == 0);
  33         RTEST(GetLastError() == ERROR_INVALID_PARAMETER);
  34
  35
  36
  37         /* null hdc */
  38         SetLastError(ERROR_SUCCESS);
  39         ZeroMemory(&bi, sizeof(BITMAPINFO));
  40         bi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
  41         RTEST(GetDIBits(NULL, hBitmap, 0, 15, NULL, &bi, DIB_RGB_COLORS) == 0);
  42         RTEST(GetLastError() == ERROR_INVALID_PARAMETER);
  43
  44         /* null bitmap */
  45         SetLastError(ERROR_SUCCESS);
  46         ZeroMemory(&bi, sizeof(BITMAPINFO));
  47         bi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
  48         RTEST(GetDIBits(hDCScreen, NULL, 0, 15, NULL, &bi, DIB_RGB_COLORS) == 0);
  49         RTEST(GetLastError() == ERROR_SUCCESS);
  50
  51         /* 0 scan lines */
  52         SetLastError(ERROR_SUCCESS);
  53         ZeroMemory(&bi, sizeof(BITMAPINFO));
  54         bi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
  55         RTEST(GetDIBits(hDCScreen, hBitmap, 0, 0, NULL, &bi, DIB_RGB_COLORS) > 0);
  56         RTEST(GetLastError() == ERROR_SUCCESS);
  57
  58         /* null bitmap info - crashes XP*/
  59         //SetLastError(ERROR_SUCCESS);
  60         //RTEST(GetDIBits(hDCScreen, NULL, 0, 15, NULL, NULL, DIB_RGB_COLORS) == 0);
  61         //RTEST(GetLastError() == ERROR_INVALID_PARAMETER);
  62
  63         /* bad bmi colours (uUsage) */
  64         SetLastError(ERROR_SUCCESS);
  65         ZeroMemory(&bi, sizeof(BITMAPINFO));
  66         bi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
  67         RTEST(GetDIBits(hDCScreen, hBitmap, 0, 15, NULL, &bi, 100) == 0);
  68         RTEST(GetLastError() == ERROR_SUCCESS);
  69         RTEST(bi.bmiHeader.biWidth == 0);
  70         RTEST(bi.bmiHeader.biHeight == 0);
  71         RTEST(bi.bmiHeader.biBitCount == 0);
  72         RTEST(bi.bmiHeader.biSizeImage == 0);
  73
  74         /* basic call */
  75         SetLastError(ERROR_SUCCESS);
  76         ZeroMemory(&bi, sizeof(BITMAPINFO));
  77         bi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
  78         RTEST(GetDIBits(hDCScreen, hBitmap, 0, 15, NULL, &bi, DIB_RGB_COLORS) > 0);
  79         RTEST(GetLastError() == ERROR_SUCCESS);
  80         ScreenBpp = GetDeviceCaps(hDCScreen, BITSPIXEL);
  81         RTEST(bi.bmiHeader.biWidth == 16);
  82         RTEST(bi.bmiHeader.biHeight == 16);
  83         RTEST(bi.bmiHeader.biBitCount == ScreenBpp);
  84         RTEST(bi.bmiHeader.biSizeImage == (16 * 16) * (ScreenBpp / 8));
  85
  86         DeleteObject(hBitmap);
  87         ReleaseDC(NULL, hDCScreen);
  88         return APISTATUS_NORMAL;
  89 }