rostests/apitests/win32nt/ntuser/NtUserSelectPalette.c

   1 /*
   2  * PROJECT:         ReactOS api tests
   3  * LICENSE:         GPL - See COPYING in the top level directory
   4  * PURPOSE:         Test for NtUserSelectPalette
   5  * PROGRAMMERS:
   6  */
   7
   8 #include <win32nt.h>
   9
  10 FORCEINLINE
  11 PALETTEENTRY
  12 PALENTRY(BYTE r, BYTE g, BYTE b)
  13 {
  14         PALETTEENTRY ret;
  15
  16         ret.peRed = r;
  17         ret.peGreen = g;
  18         ret.peBlue = b;
  19         ret.peFlags = 0;
  20         return ret;
  21 }
  22
  23 START_TEST(NtUserSelectPalette)
  24 {
  25     HINSTANCE hinst = GetModuleHandle(NULL);
  26         HPALETTE hPal, hOldPal;
  27         HWND hWnd;
  28         HDC hDC, hCompDC;
  29         struct
  30         {
  31                 LOGPALETTE logpal;
  32                 PALETTEENTRY entry[20];
  33         } pal;
  34
  35         ZeroMemory(&pal, sizeof(pal));
  36
  37         pal.logpal.palVersion = 0x300;
  38         pal.logpal.palNumEntries = 6;
  39         pal.entry[0] = PALENTRY(0,0,0);
  40         pal.entry[1] = PALENTRY(255,255,255);
  41         pal.entry[2] = PALENTRY(128,128,128);
  42         pal.entry[3] = PALENTRY(128,0,0);
  43         pal.entry[4] = PALENTRY(0,128,0);
  44         pal.entry[5] = PALENTRY(0,0,128);
  45
  46         hPal = CreatePalette(&pal.logpal);
  47         ASSERT(hPal);
  48         TEST(DeleteObject(hPal) == 1);
  49         hPal = CreatePalette(&pal.logpal);
  50         ASSERT(hPal);
  51
  52         /* Create a window */
  53         hWnd = CreateWindowW(L"BUTTON", L"TestWindow", WS_OVERLAPPEDWINDOW | WS_VISIBLE,
  54                             CW_USEDEFAULT, CW_USEDEFAULT, 100, 100,
  55                             NULL, NULL, hinst, 0);
  56         hDC = GetDC(hWnd);
  57         ASSERT(hDC);
  58         hCompDC = CreateCompatibleDC(hDC);
  59         ASSERT(hCompDC);
  60
  61         /* Test NULL DC */
  62         SetLastError(ERROR_SUCCESS);
  63         hOldPal = NtUserSelectPalette(NULL, hPal, 0);
  64         TEST(hOldPal == 0);
  65         TEST(GetLastError() == ERROR_SUCCESS);
  66
  67         /* Test invalid DC */
  68         SetLastError(ERROR_SUCCESS);
  69         hOldPal = NtUserSelectPalette((HDC)-1, hPal, 0);
  70         TEST(hOldPal == 0);
  71         TEST(GetLastError() == ERROR_SUCCESS);
  72
  73         /* Test NULL palette */
  74         SetLastError(ERROR_SUCCESS);
  75         hOldPal = NtUserSelectPalette(hDC, NULL, 0);
  76         TEST(hOldPal == 0);
  77         TEST(GetLastError() == ERROR_SUCCESS);
  78
  79         /* Test invalid palette */
  80         SetLastError(ERROR_SUCCESS);
  81         hOldPal = NtUserSelectPalette(hDC, (HPALETTE)-1, 0);
  82         TEST(hOldPal == 0);
  83         TEST(GetLastError() == ERROR_SUCCESS);
  84
  85         /* Test valid palette */
  86         hOldPal = NtUserSelectPalette(hDC, hPal, 0);
  87         TEST(hOldPal != 0);
  88         TEST(hOldPal == GetStockObject(DEFAULT_PALETTE));
  89
  90         /* We cannot Delete the palette */
  91         TEST(DeleteObject(hPal) == 0);
  92
  93         /* We can still select the Palette into a compatible DC */
  94         hOldPal = NtUserSelectPalette(hCompDC, hPal, 0);
  95         TEST(hOldPal != 0);
  96
  97
  98
  99 #if 0
 100         RealizePalette(hDC);
 101
 102         GetClientRect(hWnd, &rect);
 103         FillRect(hDC, &rect, GetSysColorBrush(COLOR_BTNSHADOW));
 104
 105         TEST(GetNearestColor(hDC, RGB(0,0,0)) == RGB(0,0,0));
 106         TEST(GetNearestColor(hDC, RGB(0,0,1)) == RGB(0,0,1));
 107
 108         ReleaseDC(hWnd, hDC);
 109         DestroyWindow(hWnd);
 110         RECT rect;
 111         HBITMAP hBmp;
 112
 113
 114         BITMAPINFOHEADER bmih = {sizeof(BITMAPINFOHEADER), // biSize
 115                                  3, // biWidth
 116                                  3, // biHeight
 117                                  1, // biPlanes
 118                                  8, // biBitCount
 119                                  BI_RGB, // biCompression
 120                                  0, // biSizeImage
 121                                  92, // biXPelsPerMeter
 122                                  92, // biYPelsPerMeter
 123                                  6,  // biClrUsed
 124                                  6}; // biClrImportant
 125         BYTE bits[3][3] = {{0,1,2},{3,4,5},{6,1,2}};
 126
 127         struct
 128         {
 129                 BITMAPINFOHEADER bmih;
 130                 RGBQUAD colors[6];
 131         } bmi = {{sizeof(BITMAPINFOHEADER),3,3,1,8,BI_RGB,0,92,92,6,6},
 132                           {{0,0,0,0},{255,255,255,0},{255,0,0,0},
 133                            {0,255,0,0},{0,0,255,0},{128,128,128,0}}};
 134
 135         hBmp = CreateDIBitmap(hCompDC, &bmih, CBM_INIT, &bits, (BITMAPINFO*)&bmi, DIB_RGB_COLORS);
 136         ASSERT(hBmp);
 137
 138         SetLastError(0);
 139         TEST(NtGdiSelectBitmap(hCompDC, hBmp));
 140         hOldPal = NtUserSelectPalette(hCompDC, hPal, 0);
 141         TEST(hOldPal != NULL);
 142         RealizePalette(hCompDC);
 143
 144         TEST(GetNearestColor(hCompDC, RGB(0,0,0)) == RGB(0,0,0));
 145         TEST(GetNearestColor(hCompDC, RGB(0,0,1)) == RGB(0,0,0));
 146         TEST(GetNearestColor(hCompDC, RGB(100,0,0)) == RGB(0,0,0));
 147         TEST(GetNearestColor(hCompDC, RGB(250,250,250)) == RGB(255,255,255));
 148         TEST(GetNearestColor(hCompDC, RGB(120,100,110)) == RGB(128,128,128));
 149
 150 printf("nearest = 0x%x\n", GetNearestColor(hCompDC, RGB(120,100,110)));
 151 #endif
 152
 153 }