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