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 <apitest.h>
   9
  10 #include <wingdi.h>
  11
  12 void Test_SetDIBits()
  13 {
  14     char buffer[sizeof(BITMAPINFOHEADER)+2*sizeof(RGBQUAD)];
  15     ULONG* dibBuffer;
  16     BITMAPINFO* pBMI = (BITMAPINFO*)buffer;
  17     char bits1bpp[] = {0x80, 0, 0, 0};
  18     HBITMAP hbmp;
  19     int ret;
  20
  21     ZeroMemory(buffer, sizeof(buffer));
  22
  23     pBMI->bmiHeader.biSize=sizeof(BITMAPINFOHEADER);
  24     pBMI->bmiHeader.biWidth=2;
  25     pBMI->bmiHeader.biHeight=1;
  26     pBMI->bmiHeader.biPlanes=1;
  27     pBMI->bmiHeader.biBitCount=32;
  28     pBMI->bmiHeader.biCompression=BI_RGB;
  29     pBMI->bmiHeader.biSizeImage=0;
  30     pBMI->bmiHeader.biXPelsPerMeter=0;
  31     pBMI->bmiHeader.biYPelsPerMeter=0;
  32     pBMI->bmiHeader.biClrUsed=0;
  33     pBMI->bmiHeader.biClrImportant=0;
  34
  35     hbmp = CreateDIBSection(NULL, pBMI, DIB_RGB_COLORS, (PVOID*)&dibBuffer, NULL, 0);
  36     ok(hbmp!=NULL, "Failed to create a DIB section\n");
  37
  38     pBMI->bmiHeader.biBitCount = 1;
  39     pBMI->bmiColors[0].rgbBlue = 0xFF;
  40     pBMI->bmiColors[0].rgbGreen = 0;
  41     pBMI->bmiColors[0].rgbRed = 0xFF;
  42
  43     ret = SetDIBits(NULL, hbmp, 0, 1, bits1bpp, pBMI, DIB_RGB_COLORS);
  44     ok(ret == 1, "Copied %i scanlines\n", ret);
  45
  46     ok(dibBuffer[0] == 0, "Wrong color 0x%08x after SetDIBits\n", (unsigned int)dibBuffer[0]);
  47     ok(dibBuffer[1] == 0xFF00FF, "Wrong color 0x%08x after SetDIBits\n", (unsigned int)dibBuffer[1]);
  48
  49     DeleteObject(hbmp);
  50 }
  51
  52 void Test_SetDIBits_1bpp()
  53 {
  54     char buffer[sizeof(BITMAPINFOHEADER)+2*sizeof(RGBQUAD)];
  55     HDC hdc;
  56     BITMAPINFO* pBMI = (BITMAPINFO*)buffer;
  57     char bits1bpp[] = {0x80, 0, 0, 0};
  58     HBITMAP hbmp;
  59     int ret;
  60     COLORREF color;
  61
  62     hdc = CreateCompatibleDC(0);
  63     if(!hdc)
  64     {
  65         trace("No device contexr !?\n");
  66         return;
  67     }
  68
  69     ZeroMemory(buffer, sizeof(buffer));
  70
  71     pBMI->bmiHeader.biSize=sizeof(BITMAPINFOHEADER);
  72     pBMI->bmiHeader.biWidth=2;
  73     pBMI->bmiHeader.biHeight=1;
  74     pBMI->bmiHeader.biPlanes=1;
  75     pBMI->bmiHeader.biBitCount=1;
  76     pBMI->bmiHeader.biCompression=BI_RGB;
  77     pBMI->bmiHeader.biSizeImage=0;
  78     pBMI->bmiHeader.biXPelsPerMeter=0;
  79     pBMI->bmiHeader.biYPelsPerMeter=0;
  80     pBMI->bmiHeader.biClrUsed=2;
  81     pBMI->bmiHeader.biClrImportant=0;
  82     pBMI->bmiColors[0].rgbBlue = 0xFF;
  83     pBMI->bmiColors[0].rgbGreen = 0xFF;
  84     pBMI->bmiColors[0].rgbRed = 0xFF;
  85
  86     hbmp = CreateBitmap(2, 1, 1, 1, NULL);
  87     ok(hbmp!=NULL, "Failed to create a monochrome bitmap\n");
  88
  89     ret = SetDIBits(NULL, hbmp, 0, 1, bits1bpp, pBMI, DIB_RGB_COLORS);
  90     ok(ret == 1, "Copied %i scanlines\n", ret);
  91
  92     hbmp = SelectObject(hdc, hbmp);
  93     ok(hbmp != NULL, "Could not select the bitmap into the context.\n");
  94     color = GetPixel(hdc, 0,0);
  95     ok(color == 0, "Wrong color at 0,0 : 0x%08x\n", (UINT)color);
  96     color = GetPixel(hdc, 1,0);
  97     ok(color == 0xFFFFFF, "Wrong color at 1,0 : 0x%08x\n", (UINT)color);
  98
  99     hbmp = SelectObject(hdc, hbmp);
 100
 101     /* Try something else than 0xFFFFFF */
 102     pBMI->bmiColors[0].rgbBlue = 0xFF;
 103     pBMI->bmiColors[0].rgbGreen = 0;
 104     pBMI->bmiColors[0].rgbRed = 0;
 105
 106     ret = SetDIBits(NULL, hbmp, 0, 1, bits1bpp, pBMI, DIB_RGB_COLORS);
 107     ok(ret == 1, "Copied %i scanlines\n", ret);
 108
 109     hbmp = SelectObject(hdc, hbmp);
 110     ok(hbmp != NULL, "Could not select the bitmap into the context.\n");
 111     color = GetPixel(hdc, 0,0);
 112     ok(color == 0, "Wrong color at 0,0 : 0x%08x\n", (UINT)color);
 113     color = GetPixel(hdc, 1,0);
 114     ok(color == 0xFFFFFF, "Wrong color at 1,0 : 0x%08x\n", (UINT)color);
 115
 116     hbmp = SelectObject(hdc, hbmp);
 117
 118     /* Special : try 0 */
 119     pBMI->bmiColors[0].rgbBlue = 0;
 120     pBMI->bmiColors[0].rgbGreen = 0;
 121     pBMI->bmiColors[0].rgbRed = 0;
 122
 123     ret = SetDIBits(NULL, hbmp, 0, 1, bits1bpp, pBMI, DIB_RGB_COLORS);
 124     ok(ret == 1, "Copied %i scanlines\n", ret);
 125
 126     hbmp = SelectObject(hdc, hbmp);
 127     ok(hbmp != NULL, "Could not select the bitmap into the context.\n");
 128     color = GetPixel(hdc, 0,0);
 129     ok(color == 0, "Wrong color at 0,0 : 0x%08x\n", (UINT)color);
 130     color = GetPixel(hdc, 1,0);
 131     ok(color == 0xFFFFFF, "Wrong color at 1,0 : 0x%08x\n", (UINT)color);
 132
 133     hbmp = SelectObject(hdc, hbmp);
 134     DeleteObject(hbmp);
 135     DeleteDC(hdc);
 136 }
 137
 138 START_TEST(SetDIBits)
 139 {
 140     Test_SetDIBits();
 141     Test_SetDIBits_1bpp();
 142 }