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