1 /*
2  * PROJECT:         ReactOS api tests
3  * LICENSE:         GPL - See COPYING in the top level directory
4  * PURPOSE:         Test for NtGdiSetDIBitsToDeviceInternal
5  * PROGRAMMERS:
6  */
7 
8 #include <win32nt.h>
9 
10 void
11 ReadBits(HDC hDC, PDWORD OutBits)
12 {
13     int x,y;
14 
15     for (y = 0; y < 8; y++)
16     {
17         DWORD Row = 0;
18         for (x = 0; x < 8; x++)
19             Row |= (0x80 & GetPixel(hDC, 2 + x, 3 + y)) >> x;
20         OutBits[y] = Row;
21     }
22 }
23 
24 
25 START_TEST(NtGdiSetDIBitsToDeviceInternal)
26 {
27     static const DWORD InBits[8] = { 0x81, 0x7E, 0x5A, 0x7E, 0x7E, 0x42, 0x7E, 0x81 };
28     DWORD OutBits[8];
29     XFORM xform;
30 
31     HWND hWnd = CreateWindowW(L"Static", NULL, WS_VISIBLE,
32                               100, 100, 200, 200,
33                               NULL, NULL, NULL, NULL);
34     /* This DC has an nonzero origin */
35     HDC hDC = GetDC(hWnd);
36     struct
37     {
38         BITMAPINFOHEADER bmiHeader;
39         RGBQUAD bmiColors[2];
40     } bmi;
41     int x, y;
42 
43     bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
44     bmi.bmiHeader.biWidth = 8;
45     bmi.bmiHeader.biHeight = -8;
46     bmi.bmiHeader.biPlanes = 1;
47     bmi.bmiHeader.biBitCount = 1;
48     bmi.bmiHeader.biCompression = 0;
49     bmi.bmiHeader.biSizeImage = 0;
50     bmi.bmiHeader.biXPelsPerMeter = 0;
51     bmi.bmiHeader.biYPelsPerMeter = 0;
52     bmi.bmiHeader.biClrUsed = 0;
53     bmi.bmiHeader.biClrImportant = 0;
54     *(DWORD *)&bmi.bmiColors[0] = 0x000000;
55     *(DWORD *)&bmi.bmiColors[1] = 0xFFFFFF;
56 
57     /* The destination coordinates are relative to the DC origin */
58     TEST(NtGdiSetDIBitsToDeviceInternal(hDC, 2, 3, 8, 8, 0, 0, 0, 8,
59                                         (PVOID)InBits, (BITMAPINFO *)&bmi, DIB_RGB_COLORS,
60                                         sizeof(InBits), sizeof(bmi), TRUE, NULL));
61 
62     /* Now get the data from the screen, and see if it matches */
63     ReadBits(hDC, OutBits);
64 
65     TEST(memcmp(InBits, OutBits, sizeof(InBits)) == 0);
66 
67     /* Change transformation */
68     GetWorldTransform(hDC, &xform);
69     xform.eM11 = 2;
70     xform.eM22 = 2;
71     xform.eDx = 10;
72     SetWorldTransform(hDC, &xform);
73 
74     TEST(NtGdiSetDIBitsToDeviceInternal(hDC, 2, 3, 8, 8, 0, 0, 0, 8,
75                                         (PVOID)InBits, (BITMAPINFO *)&bmi, DIB_RGB_COLORS,
76                                         sizeof(InBits), sizeof(bmi), TRUE, NULL));
77 
78     xform.eM11 = 1;
79     xform.eM22 = 1;
80     xform.eDx = 0;
81     SetWorldTransform(hDC, &xform);
82 
83     /* Now get the data from the screen, and see if it matches */
84     for (y = 0; y < 8; y++)
85     {
86         DWORD Row = 0;
87         for (x = 0; x < 8; x++)
88             Row |= (0x80 & GetPixel(hDC, 2 + x, 3 + y)) >> x;
89         OutBits[y] = Row;
90     }
91 
92     TEST(memcmp(InBits, OutBits, sizeof(InBits)) == 0);
93 
94 
95     ReleaseDC(hWnd, hDC);
96     DestroyWindow(hWnd);
97 
98 }
99