rostests/apitests/w32knapi/ntgdi/NtGdiSetDIBitsToDeviceInternal.c

   1 INT
   2 Test_NtGdiSetDIBitsToDeviceInternal(PTESTINFO pti)
   3 {
   4         static const DWORD InBits[8] = { 0x81, 0x7E, 0x5A, 0x7E, 0x7E, 0x42, 0x7E, 0x81 };
   5         DWORD OutBits[8];
   6
   7         HWND hWnd = CreateWindowW(L"Static", NULL, WS_VISIBLE,
   8                                   100, 100, 200, 200,
   9                                   NULL, NULL, NULL, NULL);
  10         /* This DC has an nonzero origin */
  11         HDC hDC = GetDC(hWnd);
  12         struct
  13         {
  14                 BITMAPINFOHEADER bmiHeader;
  15                 RGBQUAD bmiColors[2];
  16         } bmi;
  17         int x, y;
  18
  19         bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
  20         bmi.bmiHeader.biWidth = 8;
  21         bmi.bmiHeader.biHeight = -8;
  22         bmi.bmiHeader.biPlanes = 1;
  23         bmi.bmiHeader.biBitCount = 1;
  24         bmi.bmiHeader.biCompression = 0;
  25         bmi.bmiHeader.biSizeImage = 0;
  26         bmi.bmiHeader.biXPelsPerMeter = 0;
  27         bmi.bmiHeader.biYPelsPerMeter = 0;
  28         bmi.bmiHeader.biClrUsed = 0;
  29         bmi.bmiHeader.biClrImportant = 0;
  30         *(DWORD *)&bmi.bmiColors[0] = 0x000000;
  31         *(DWORD *)&bmi.bmiColors[1] = 0xFFFFFF;
  32
  33         /* The destination coordinates are relative to the DC origin */
  34         TEST(NtGdiSetDIBitsToDeviceInternal(hDC, 2, 3, 8, 8, 0, 0, 0, 8,
  35                                             (PVOID)InBits, (BITMAPINFO *)&bmi, DIB_RGB_COLORS,
  36                                             sizeof(InBits), sizeof(bmi), TRUE, NULL));
  37
  38         /* Now get the data from the screen, and see if it matches */
  39         for (y = 0; y < 8; y++)
  40         {
  41                 DWORD Row = 0;
  42                 for (x = 0; x < 8; x++)
  43                         Row |= (0x80 & GetPixel(hDC, 2 + x, 3 + y)) >> x;
  44                 OutBits[y] = Row;
  45         }
  46         TEST(memcmp(InBits, OutBits, sizeof(InBits)) == 0);
  47
  48         ReleaseDC(hWnd, hDC);
  49         DestroyWindow(hWnd);
  50
  51         return APISTATUS_NORMAL;
  52 }