rostests/apitests/gdi32/SetDIBits.c

   1 /*
   2  * PROJECT:         ReactOS api tests
   3  * LICENSE:         GPL - See COPYING in the top level directory
   4  * PURPOSE:         Test for SetDIBits
   5  * PROGRAMMERS:     Jérôme Gardou
   6  */
   7
   8 #include <wine/test.h>
   9 #include <wingdi.h>
  10
  11 void Test_SetDIBits()
  12 {
  13     char buffer[sizeof(BITMAPINFOHEADER)+2*sizeof(RGBQUAD)];
  14     ULONG* dibBuffer;
  15     BITMAPINFO* pBMI = (BITMAPINFO*)buffer;
  16     char bits1bpp[] = {0x80, 0, 0, 0};
  17     HBITMAP hbmp;
  18     int ret;
  19
  20     ZeroMemory(buffer, sizeof(buffer));
  21
  22     pBMI->bmiHeader.biSize=sizeof(BITMAPINFOHEADER);
  23     pBMI->bmiHeader.biWidth=2;
  24     pBMI->bmiHeader.biHeight=1;
  25     pBMI->bmiHeader.biPlanes=1;
  26     pBMI->bmiHeader.biBitCount=32;
  27     pBMI->bmiHeader.biCompression=BI_RGB;
  28     pBMI->bmiHeader.biSizeImage=0;
  29     pBMI->bmiHeader.biXPelsPerMeter=0;
  30     pBMI->bmiHeader.biYPelsPerMeter=0;
  31     pBMI->bmiHeader.biClrUsed=0;
  32     pBMI->bmiHeader.biClrImportant=0;
  33
  34     hbmp = CreateDIBSection(NULL, pBMI, DIB_RGB_COLORS, (PVOID*)&dibBuffer, NULL, 0);
  35     ok(hbmp!=NULL, "Failed to create a DIB section\n");
  36
  37     pBMI->bmiHeader.biBitCount = 1;
  38     pBMI->bmiColors[0].rgbBlue = 0xFF;
  39     pBMI->bmiColors[0].rgbGreen = 0;
  40     pBMI->bmiColors[0].rgbRed = 0xFF;
  41
  42     ret = SetDIBits(NULL, hbmp, 0, 1, bits1bpp, pBMI, DIB_RGB_COLORS);
  43     ok(ret == 1, "Copied %i scanlines\n", ret);
  44
  45     ok(dibBuffer[0] == 0, "Wrong color 0x%08x after SetDIBits\n", (unsigned int)dibBuffer[0]);
  46     ok(dibBuffer[1] == 0xFF00FF, "Wrong color 0x%08x after SetDIBits\n", (unsigned int)dibBuffer[1]);
  47
  48     DeleteObject(hbmp);
  49 }
  50
  51 void Test_SetDIBits_1bpp()
  52 {
  53     char buffer[sizeof(BITMAPINFOHEADER)+2*sizeof(RGBQUAD)];
  54     HDC hdc;
  55     BITMAPINFO* pBMI = (BITMAPINFO*)buffer;
  56     char bits1bpp[] = {0x80, 0, 0, 0};
  57     HBITMAP hbmp;
  58     int ret;
  59     COLORREF color;
  60
  61     hdc = CreateCompatibleDC(0);
  62     if(!hdc)
  63     {
  64         trace("No device contexr !?\n");
  65         return;
  66     }
  67
  68     ZeroMemory(buffer, sizeof(buffer));
  69
  70     pBMI->bmiHeader.biSize=sizeof(BITMAPINFOHEADER);
  71     pBMI->bmiHeader.biWidth=2;
  72     pBMI->bmiHeader.biHeight=1;
  73     pBMI->bmiHeader.biPlanes=1;
  74     pBMI->bmiHeader.biBitCount=1;
  75     pBMI->bmiHeader.biCompression=BI_RGB;
  76     pBMI->bmiHeader.biSizeImage=0;
  77     pBMI->bmiHeader.biXPelsPerMeter=0;
  78     pBMI->bmiHeader.biYPelsPerMeter=0;
  79     pBMI->bmiHeader.biClrUsed=2;
  80     pBMI->bmiHeader.biClrImportant=0;
  81     pBMI->bmiColors[0].rgbBlue = 0xFF;
  82     pBMI->bmiColors[0].rgbGreen = 0xFF;
  83     pBMI->bmiColors[0].rgbRed = 0xFF;
  84
  85     hbmp = CreateBitmap(2, 1, 1, 1, NULL);
  86     ok(hbmp!=NULL, "Failed to create a monochrome bitmap\n");
  87
  88     ret = SetDIBits(NULL, hbmp, 0, 1, bits1bpp, pBMI, DIB_RGB_COLORS);
  89     ok(ret == 1, "Copied %i scanlines\n", ret);
  90
  91     hbmp = SelectObject(hdc, hbmp);
  92     ok(hbmp != NULL, "Could not select the bitmap into the context.\n");
  93     color = GetPixel(hdc, 0,0);
  94     ok(color == 0, "Wrong color at 0,0 : 0x%08x\n", (UINT)color);
  95     color = GetPixel(hdc, 1,0);
  96     ok(color == 0xFFFFFF, "Wrong color at 1,0 : 0x%08x\n", (UINT)color);
  97
  98     hbmp = SelectObject(hdc, hbmp);
  99
 100     /* Try something else than 0xFFFFFF */
 101     pBMI->bmiColors[0].rgbBlue = 0xFF;
 102     pBMI->bmiColors[0].rgbGreen = 0;
 103     pBMI->bmiColors[0].rgbRed = 0;
 104
 105     ret = SetDIBits(NULL, hbmp, 0, 1, bits1bpp, pBMI, DIB_RGB_COLORS);
 106     ok(ret == 1, "Copied %i scanlines\n", ret);
 107
 108     hbmp = SelectObject(hdc, hbmp);
 109     ok(hbmp != NULL, "Could not select the bitmap into the context.\n");
 110     color = GetPixel(hdc, 0,0);
 111     ok(color == 0, "Wrong color at 0,0 : 0x%08x\n", (UINT)color);
 112     color = GetPixel(hdc, 1,0);
 113     ok(color == 0xFFFFFF, "Wrong color at 1,0 : 0x%08x\n", (UINT)color);
 114
 115     hbmp = SelectObject(hdc, hbmp);
 116
 117     /* Special : try 0 */
 118     pBMI->bmiColors[0].rgbBlue = 0;
 119     pBMI->bmiColors[0].rgbGreen = 0;
 120     pBMI->bmiColors[0].rgbRed = 0;
 121
 122     ret = SetDIBits(NULL, hbmp, 0, 1, bits1bpp, pBMI, DIB_RGB_COLORS);
 123     ok(ret == 1, "Copied %i scanlines\n", ret);
 124
 125     hbmp = SelectObject(hdc, hbmp);
 126     ok(hbmp != NULL, "Could not select the bitmap into the context.\n");
 127     color = GetPixel(hdc, 0,0);
 128     ok(color == 0, "Wrong color at 0,0 : 0x%08x\n", (UINT)color);
 129     color = GetPixel(hdc, 1,0);
 130     ok(color == 0xFFFFFF, "Wrong color at 1,0 : 0x%08x\n", (UINT)color);
 131
 132     hbmp = SelectObject(hdc, hbmp);
 133     DeleteObject(hbmp);
 134     DeleteDC(hdc);
 135 }
 136
 137 START_TEST(SetDIBits)
 138 {
 139     Test_SetDIBits();
 140     Test_SetDIBits_1bpp();
 141 }