rostests/apitests/gdi32/FrameRgn.c

   1 /*
   2  * PROJECT:         ReactOS api tests
   3  * LICENSE:         GPL - See COPYING in the top level directory
   4  * PURPOSE:         Test for FrameRgn
   5  * PROGRAMMERS:     Timo Kreuzer
   6  */
   7
   8 #include <apitest.h>
   9 #include <windows.h>
  10 #include <stdio.h>
  11 #include "init.h"
  12
  13 #if 0
  14 BOOL
  15 MyFrameRgn(
  16     HDC hdc,
  17     HRGN hrgn,
  18     HBRUSH hbr,
  19     INT cx,
  20     INT cy)
  21 {
  22     HRGN hrgnTemp;
  23
  24     hrgnTemp = CreateRectRgn(0, 0, 0, 0);
  25     if (hrgnTemp == NULL)
  26     {
  27         return FALSE;
  28     }
  29
  30     if (CombineRgn(hrgnTemp, hrgn, NULL, RGN_COPY) == ERROR)
  31         goto Failure;
  32
  33     if (OffsetRgn(hrgn, cx, cy) == ERROR)
  34         goto Failure;
  35
  36     if (CombineRgn(hrgnTemp, hrgnTemp, hrgn, RGN_AND) == ERROR)
  37         goto Failure;
  38
  39     if (OffsetRgn(hrgn, -2 * cx, 0) == ERROR)
  40         goto Failure;
  41
  42     if (CombineRgn(hrgnTemp, hrgnTemp, hrgn, RGN_AND) == ERROR)
  43         goto Failure;
  44
  45     if (OffsetRgn(hrgn, 0, -2 * cy) == ERROR)
  46         goto Failure;
  47
  48     if (CombineRgn(hrgnTemp, hrgnTemp, hrgn, RGN_AND) == ERROR)
  49         goto Failure;
  50
  51     if (OffsetRgn(hrgn, 2 * cx, 0) == ERROR)
  52         goto Failure;
  53
  54     if (CombineRgn(hrgnTemp, hrgnTemp, hrgn, RGN_AND) == ERROR)
  55         goto Failure;
  56
  57     if (OffsetRgn(hrgn, -cx, cy) == ERROR)
  58         goto Failure;
  59
  60     if (CombineRgn(hrgnTemp, hrgn, hrgnTemp, RGN_DIFF) == ERROR)
  61         goto Failure;
  62
  63     if (!FillRgn(hdc, hrgnTemp, hbr))
  64         goto Failure;
  65
  66     DeleteObject(hrgnTemp);
  67     return TRUE;
  68
  69 Failure:
  70     DeleteObject(hrgnTemp);
  71     return FALSE;
  72 }
  73 #endif // 0
  74
  75 static
  76 void
  77 CheckBitmapBitsWithLine(
  78     ULONG Line,
  79     HDC hdc,
  80     UINT cx,
  81     UINT cy,
  82     PUCHAR pjBits,
  83     COLORREF *pcrColors)
  84 {
  85     UINT x, y, i;
  86
  87     for (y = 0; y < cy; y++)
  88     {
  89         for (x = 0; x < cy; x++)
  90         {
  91             i = y * cx + x;
  92             ok(GetPixel(hdc, x, y) == pcrColors[pjBits[i]],
  93                "Wrong pixel at (%u,%u): expected 0x%08lx, got 0x%08lx\n",
  94                x, y, pcrColors[pjBits[i]], GetPixel(hdc, x, y));
  95         }
  96     }
  97 }
  98
  99 #define CheckBitmapBits(hdc,cx,cy,pj,pcr) \
 100     CheckBitmapBitsWithLine(__LINE__, hdc,cx,cy,pj,pcr)
 101
 102 void Test_FrameRgn()
 103 {
 104     RECT rc = {0, 0, 8, 8 };
 105     HRGN hrgn1, hrgn2;
 106     BOOL bRet;
 107     UCHAR ajBits[64] = {
 108         0, 0, 0, 0, 0, 0, 0, 0, // 0000000
 109         0, 1, 1, 1, 1, 0, 0, 0, // 0****00
 110         0, 1, 2, 2, 1, 0, 0, 0, // 0*xx**0
 111         0, 1, 2, 2, 1, 1, 1, 0, // 0*xxx*0
 112         0, 1, 1, 1, 2, 2, 1, 0, // 0**xx*0
 113         0, 0, 0, 1, 2, 2, 1, 0, // 00****0
 114         0, 0, 0, 1, 1, 1, 1, 0, // 0000000
 115         0, 0, 0, 0, 0, 0, 0, 0  // 0000000
 116     };
 117     COLORREF acrColors[16] = {RGB(0,0,0), RGB(255,255,255), RGB(128,128,128), 0};
 118
 119     FillRect(ghdcDIB32, &rc, GetStockObject(BLACK_BRUSH));
 120
 121     hrgn1 = CreateRectRgn(1, 1, 5, 5);
 122     ok(hrgn1 != NULL, "failed to create region\n");
 123
 124     hrgn2 = CreateRectRgn(3, 3, 7, 7);
 125     ok(hrgn1 != NULL, "failed to create region\n");
 126
 127     CombineRgn(hrgn1, hrgn1, hrgn2, RGN_OR);
 128
 129     bRet = FillRgn(ghdcDIB32, hrgn1, GetStockObject(GRAY_BRUSH));
 130     ok(bRet != 0, "FrameRgn failed\n");
 131
 132     bRet = FrameRgn(ghdcDIB32, hrgn1, GetStockObject(WHITE_BRUSH), 1, 1);
 133     ok(bRet != 0, "FrameRgn failed\n");
 134
 135     CheckBitmapBits(ghdcDIB32, 8, 8, ajBits, acrColors);
 136
 137 }
 138
 139
 140
 141 START_TEST(FrameRgn)
 142 {
 143     InitStuff();
 144     Test_FrameRgn();
 145 }
 146