reactos/rostests/apitests/w32knapi/ntgdi/NtGdiSetDIBitsToDeviceInternal.c

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void
ReadBits(HDC hDC, PDWORD OutBits)
{
int x,y;
for (y = 0; y < 8; y++)
{
DWORD Row = 0;
for (x = 0; x < 8; x++)
Row |= (0x80 & GetPixel(hDC, 2 + x, 3 + y)) >> x;
OutBits[y] = Row;
}
}
INT
Test_NtGdiSetDIBitsToDeviceInternal(PTESTINFO pti)
{
static const DWORD InBits[8] = { 0x81, 0x7E, 0x5A, 0x7E, 0x7E, 0x42, 0x7E, 0x81 };
DWORD OutBits[8];
XFORM xform;
HWND hWnd = CreateWindowW(L"Static", NULL, WS_VISIBLE,
100, 100, 200, 200,
NULL, NULL, NULL, NULL);
/* This DC has an nonzero origin */
HDC hDC = GetDC(hWnd);
struct
{
BITMAPINFOHEADER bmiHeader;
RGBQUAD bmiColors[2];
} bmi;
int x, y;
bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
bmi.bmiHeader.biWidth = 8;
bmi.bmiHeader.biHeight = -8;
bmi.bmiHeader.biPlanes = 1;
bmi.bmiHeader.biBitCount = 1;
bmi.bmiHeader.biCompression = 0;
bmi.bmiHeader.biSizeImage = 0;
bmi.bmiHeader.biXPelsPerMeter = 0;
bmi.bmiHeader.biYPelsPerMeter = 0;
bmi.bmiHeader.biClrUsed = 0;
bmi.bmiHeader.biClrImportant = 0;
*(DWORD *)&bmi.bmiColors[0] = 0x000000;
*(DWORD *)&bmi.bmiColors[1] = 0xFFFFFF;
/* The destination coordinates are relative to the DC origin */
TEST(NtGdiSetDIBitsToDeviceInternal(hDC, 2, 3, 8, 8, 0, 0, 0, 8,
(PVOID)InBits, (BITMAPINFO *)&bmi, DIB_RGB_COLORS,
sizeof(InBits), sizeof(bmi), TRUE, NULL));
/* Now get the data from the screen, and see if it matches */
ReadBits(hDC, OutBits);
TEST(memcmp(InBits, OutBits, sizeof(InBits)) == 0);
/* Change transformation */
GetWorldTransform(hDC, &xform);
xform.eM11 = 2;
xform.eM22 = 2;
xform.eDx = 10;
SetWorldTransform(hDC, &xform);
TEST(NtGdiSetDIBitsToDeviceInternal(hDC, 2, 3, 8, 8, 0, 0, 0, 8,
(PVOID)InBits, (BITMAPINFO *)&bmi, DIB_RGB_COLORS,
sizeof(InBits), sizeof(bmi), TRUE, NULL));
xform.eM11 = 1;
xform.eM22 = 1;
xform.eDx = 0;
SetWorldTransform(hDC, &xform);
/* Now get the data from the screen, and see if it matches */
for (y = 0; y < 8; y++)
{
DWORD Row = 0;
for (x = 0; x < 8; x++)
Row |= (0x80 & GetPixel(hDC, 2 + x, 3 + y)) >> x;
OutBits[y] = Row;
}
TEST(memcmp(InBits, OutBits, sizeof(InBits)) == 0);
ReleaseDC(hWnd, hDC);
DestroyWindow(hWnd);
return APISTATUS_NORMAL;
}