rostests/apitests/gdi32/GetDIBColorTable.c

   1 /*
   2  * PROJECT:         ReactOS api tests
   3  * LICENSE:         GPL - See COPYING in the top level directory
   4  * PURPOSE:         Test for ...
   5  * PROGRAMMERS:     Timo Kreuzer
   6  */
   7
   8 #include <apitest.h>
   9
  10 #include <wingdi.h>
  11
  12 void Test_GetDIBColorTable()
  13 {
  14     struct
  15     {
  16         BITMAPINFOHEADER bmiHeader;
  17         ULONG bmiColors[8];
  18     } bmibuffer;
  19     BITMAPINFO *pbmi = (PVOID)&bmibuffer;
  20     HBITMAP hbmp, hbmpOld;
  21     HDC hdc;
  22     PBYTE pjBits;
  23     UINT cColors;
  24     ULONG aulColors[257];
  25
  26     hdc = CreateCompatibleDC(0);
  27     ok(hdc != 0, "failed\n");
  28
  29     SetLastError(0);
  30     cColors = GetDIBColorTable(hdc, 0, 257, (RGBQUAD*)aulColors);
  31     ok_long(cColors, 2);
  32     ok_err(0);
  33     ok_long(aulColors[0], 0x000000);
  34     ok_long(aulColors[1], 0xffffff);
  35
  36     hbmp = CreateBitmap(1, 1, 1, 1, NULL);
  37     ok(hbmp != 0, "\n");
  38     hbmpOld = SelectObject(hdc, hbmp);
  39     ok(hbmpOld != 0, "Failed to select bitmap\n");
  40     cColors = GetDIBColorTable(hdc, 0, 257, (RGBQUAD*)aulColors);
  41     ok_long(cColors, 2);
  42     ok_err(0);
  43     ok_long(aulColors[0], 0x000000);
  44     ok_long(aulColors[1], 0xffffff);
  45     SelectObject(hdc, hbmpOld);
  46     DeleteObject(hbmp);
  47
  48     /* Initialize a BITMAPINFO */
  49     pbmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
  50     pbmi->bmiHeader.biWidth = 2;
  51     pbmi->bmiHeader.biHeight = 2;
  52     pbmi->bmiHeader.biPlanes = 1;
  53     pbmi->bmiHeader.biBitCount = 8;
  54     pbmi->bmiHeader.biCompression = BI_RGB;
  55     pbmi->bmiHeader.biSizeImage = 0;
  56     pbmi->bmiHeader.biXPelsPerMeter = 1;
  57     pbmi->bmiHeader.biYPelsPerMeter = 1;
  58     pbmi->bmiHeader.biClrUsed = 3;
  59     pbmi->bmiHeader.biClrImportant = 0;
  60     bmibuffer.bmiColors[0] = 0xff0000;
  61     bmibuffer.bmiColors[1] = 0x00ff00;
  62     bmibuffer.bmiColors[2] = 0x0000ff;
  63
  64     hbmp = CreateDIBSection(hdc, pbmi, DIB_RGB_COLORS, (PVOID*)&pjBits, 0, 0 );
  65     ok( hbmp != NULL, "error=%ld\n", GetLastError() );
  66     SelectObject(hdc, hbmp);
  67
  68     cColors = GetDIBColorTable(hdc, 0, 257, (RGBQUAD*)aulColors);
  69     ok_long(cColors, 256);
  70     ok_long(aulColors[0], 0xff0000);
  71     ok_long(aulColors[1], 0x00ff00);
  72     ok_long(aulColors[2], 0x0000ff);
  73     ok_long(aulColors[3], 0x000000);
  74
  75
  76     cColors = SetDIBColorTable(hdc, 0, 4, (RGBQUAD*)aulColors);
  77     ok_long(cColors, 4);
  78
  79     aulColors[3] = 0x000F0F;
  80     cColors = SetDIBColorTable(hdc, 0, 4, (RGBQUAD*)aulColors);
  81     ok_long(cColors, 4);
  82
  83     cColors = GetDIBColorTable(hdc, 0, 257, (RGBQUAD*)aulColors);
  84     ok_long(cColors, 256);
  85     ok_long(aulColors[0], 0xff0000);
  86     ok_long(aulColors[1], 0x00ff00);
  87     ok_long(aulColors[2], 0x0000ff);
  88     ok_long(aulColors[3], 0x000F0F);
  89
  90
  91     SelectObject(hdc, GetStockObject(21));
  92     DeleteObject(hbmp);
  93
  94     bmibuffer.bmiColors[0] = 1;
  95     bmibuffer.bmiColors[1] = 2;
  96     bmibuffer.bmiColors[2] = 3;
  97
  98     hbmp = CreateDIBSection(hdc, pbmi, DIB_PAL_COLORS, (PVOID*)&pjBits, 0, 0 );
  99     ok( hbmp != NULL, "error=%ld\n", GetLastError() );
 100     SelectObject(hdc, hbmp);
 101
 102
 103 }
 104
 105 START_TEST(GetDIBColorTable)
 106 {
 107     Test_GetDIBColorTable();
 108 }
 109