dlls/gdi32/tests/dib.c

   1 /*
   2  * DIB driver tests.
   3  *
   4  * Copyright 2011 Huw Davies
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22 #include <stdio.h>
  23 #include <math.h>
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "wingdi.h"
  28 #include "winuser.h"
  29 #include "wincrypt.h"
  30
  31 #include "wine/test.h"
  32
  33 static HCRYPTPROV crypt_prov;
  34
  35 static const DWORD rop3[256] =
  36 {
  37     0x000042, 0x010289, 0x020C89, 0x0300AA, 0x040C88, 0x0500A9, 0x060865, 0x0702C5,
  38     0x080F08, 0x090245, 0x0A0329, 0x0B0B2A, 0x0C0324, 0x0D0B25, 0x0E08A5, 0x0F0001,
  39     0x100C85, 0x1100A6, 0x120868, 0x1302C8, 0x140869, 0x1502C9, 0x165CCA, 0x171D54,
  40     0x180D59, 0x191CC8, 0x1A06C5, 0x1B0768, 0x1C06CA, 0x1D0766, 0x1E01A5, 0x1F0385,
  41     0x200F09, 0x210248, 0x220326, 0x230B24, 0x240D55, 0x251CC5, 0x2606C8, 0x271868,
  42     0x280369, 0x2916CA, 0x2A0CC9, 0x2B1D58, 0x2C0784, 0x2D060A, 0x2E064A, 0x2F0E2A,
  43     0x30032A, 0x310B28, 0x320688, 0x330008, 0x3406C4, 0x351864, 0x3601A8, 0x370388,
  44     0x38078A, 0x390604, 0x3A0644, 0x3B0E24, 0x3C004A, 0x3D18A4, 0x3E1B24, 0x3F00EA,
  45     0x400F0A, 0x410249, 0x420D5D, 0x431CC4, 0x440328, 0x450B29, 0x4606C6, 0x47076A,
  46     0x480368, 0x4916C5, 0x4A0789, 0x4B0605, 0x4C0CC8, 0x4D1954, 0x4E0645, 0x4F0E25,
  47     0x500325, 0x510B26, 0x5206C9, 0x530764, 0x5408A9, 0x550009, 0x5601A9, 0x570389,
  48     0x580785, 0x590609, 0x5A0049, 0x5B18A9, 0x5C0649, 0x5D0E29, 0x5E1B29, 0x5F00E9,
  49     0x600365, 0x6116C6, 0x620786, 0x630608, 0x640788, 0x650606, 0x660046, 0x6718A8,
  50     0x6858A6, 0x690145, 0x6A01E9, 0x6B178A, 0x6C01E8, 0x6D1785, 0x6E1E28, 0x6F0C65,
  51     0x700CC5, 0x711D5C, 0x720648, 0x730E28, 0x740646, 0x750E26, 0x761B28, 0x7700E6,
  52     0x7801E5, 0x791786, 0x7A1E29, 0x7B0C68, 0x7C1E24, 0x7D0C69, 0x7E0955, 0x7F03C9,
  53     0x8003E9, 0x810975, 0x820C49, 0x831E04, 0x840C48, 0x851E05, 0x8617A6, 0x8701C5,
  54     0x8800C6, 0x891B08, 0x8A0E06, 0x8B0666, 0x8C0E08, 0x8D0668, 0x8E1D7C, 0x8F0CE5,
  55     0x900C45, 0x911E08, 0x9217A9, 0x9301C4, 0x9417AA, 0x9501C9, 0x960169, 0x97588A,
  56     0x981888, 0x990066, 0x9A0709, 0x9B07A8, 0x9C0704, 0x9D07A6, 0x9E16E6, 0x9F0345,
  57     0xA000C9, 0xA11B05, 0xA20E09, 0xA30669, 0xA41885, 0xA50065, 0xA60706, 0xA707A5,
  58     0xA803A9, 0xA90189, 0xAA0029, 0xAB0889, 0xAC0744, 0xAD06E9, 0xAE0B06, 0xAF0229,
  59     0xB00E05, 0xB10665, 0xB21974, 0xB30CE8, 0xB4070A, 0xB507A9, 0xB616E9, 0xB70348,
  60     0xB8074A, 0xB906E6, 0xBA0B09, 0xBB0226, 0xBC1CE4, 0xBD0D7D, 0xBE0269, 0xBF08C9,
  61     0xC000CA, 0xC11B04, 0xC21884, 0xC3006A, 0xC40E04, 0xC50664, 0xC60708, 0xC707AA,
  62     0xC803A8, 0xC90184, 0xCA0749, 0xCB06E4, 0xCC0020, 0xCD0888, 0xCE0B08, 0xCF0224,
  63     0xD00E0A, 0xD1066A, 0xD20705, 0xD307A4, 0xD41D78, 0xD50CE9, 0xD616EA, 0xD70349,
  64     0xD80745, 0xD906E8, 0xDA1CE9, 0xDB0D75, 0xDC0B04, 0xDD0228, 0xDE0268, 0xDF08C8,
  65     0xE003A5, 0xE10185, 0xE20746, 0xE306EA, 0xE40748, 0xE506E5, 0xE61CE8, 0xE70D79,
  66     0xE81D74, 0xE95CE6, 0xEA02E9, 0xEB0849, 0xEC02E8, 0xED0848, 0xEE0086, 0xEF0A08,
  67     0xF00021, 0xF10885, 0xF20B05, 0xF3022A, 0xF40B0A, 0xF50225, 0xF60265, 0xF708C5,
  68     0xF802E5, 0xF90845, 0xFA0089, 0xFB0A09, 0xFC008A, 0xFD0A0A, 0xFE02A9, 0xFF0062
  69 };
  70
  71 static inline BOOL rop_uses_src(DWORD rop)
  72 {
  73     return (((rop & 0xcc0000) >> 2) != (rop & 0x330000));
  74 }
  75
  76 static const char *sha1_graphics_a8r8g8b8[] =
  77 {
  78     "a3cadd34d95d3d5cc23344f69aab1c2e55935fcf",
  79     "2426172d9e8fec27d9228088f382ef3c93717da9",
  80     "9e8f27ca952cdba01dbf25d07c34e86a7820c012",
  81     "664fac17803859a4015c6ae29e5538e314d5c827",
  82     "17b2c177bdce5e94433574a928bda5c94a8cdfa5",
  83     "fe6cc678fb13a3ead67839481bf22348adc69f52",
  84     "d51bd330cec510cdccf5394328bd8e5411901e9e",
  85     "df4aebf98d91f11be560dd232123b3ae327303d7",
  86     "f2af53dd073a09b1031d0032d28da35c82adc566",
  87     NULL
  88 };
  89
  90 static inline DWORD get_stride(BITMAPINFO *bmi)
  91 {
  92     return ((bmi->bmiHeader.biBitCount * bmi->bmiHeader.biWidth + 31) >> 3) & ~3;
  93 }
  94
  95 static inline DWORD get_dib_size(BITMAPINFO *bmi)
  96 {
  97     return get_stride(bmi) * abs(bmi->bmiHeader.biHeight);
  98 }
  99
 100 static char *hash_dib(BITMAPINFO *bmi, void *bits)
 101 {
 102     DWORD dib_size = get_dib_size(bmi);
 103     HCRYPTHASH hash;
 104     char *buf;
 105     BYTE hash_buf[20];
 106     DWORD hash_size = sizeof(hash_buf);
 107     int i;
 108     static const char *hex = "0123456789abcdef";
 109
 110     if(!crypt_prov) return NULL;
 111
 112     if(!CryptCreateHash(crypt_prov, CALG_SHA1, 0, 0, &hash)) return NULL;
 113
 114     CryptHashData(hash, bits, dib_size, 0);
 115
 116     CryptGetHashParam(hash, HP_HASHVAL, NULL, &hash_size, 0);
 117     if(hash_size != sizeof(hash_buf)) return NULL;
 118
 119     CryptGetHashParam(hash, HP_HASHVAL, hash_buf, &hash_size, 0);
 120     CryptDestroyHash(hash);
 121
 122     buf = HeapAlloc(GetProcessHeap(), 0, hash_size * 2 + 1);
 123
 124     for(i = 0; i < hash_size; i++)
 125     {
 126         buf[i * 2] = hex[hash_buf[i] >> 4];
 127         buf[i * 2 + 1] = hex[hash_buf[i] & 0xf];
 128     }
 129     buf[i * 2] = '\0';
 130
 131     return buf;
 132 }
 133
 134 static void compare_hash(BITMAPINFO *bmi, BYTE *bits, const char ***sha1, const char *info)
 135 {
 136     char *hash = hash_dib(bmi, bits);
 137
 138     if(!hash)
 139     {
 140         skip("SHA1 hashing unavailable on this platform\n");
 141         return;
 142     }
 143
 144     if(**sha1)
 145     {
 146         ok(!strcmp(hash, **sha1), "%d: %s: expected hash %s got %s\n",
 147            bmi->bmiHeader.biBitCount, info, **sha1, hash);
 148         (*sha1)++;
 149     }
 150     else ok(**sha1 != NULL, "missing hash, got \"%s\",\n", hash);
 151
 152     HeapFree(GetProcessHeap(), 0, hash);
 153 }
 154
 155 static const RECT bias_check[] =
 156 {
 157     {100, 100, 200, 150},
 158     {100, 100, 150, 200},
 159     {100, 100,  50, 200},
 160     {100, 100,   0, 150},
 161     {100, 100,   0,  50},
 162     {100, 100,  50,   0},
 163     {100, 100, 150,   0},
 164     {100, 100, 200,  50}
 165 };
 166
 167 static const RECT hline_clips[] =
 168 {
 169     {120, 120, 140, 120}, /* unclipped */
 170     {100, 122, 140, 122}, /* l edgecase */
 171     { 99, 124, 140, 124}, /* l edgecase clipped */
 172     {120, 126, 200, 126}, /* r edgecase */
 173     {120, 128, 201, 128}, /* r edgecase clipped */
 174     { 99, 130, 201, 130}, /* l and r clipped */
 175     {120, 100, 140, 100}, /* t edgecase */
 176     {120,  99, 140,  99}, /* t edgecase clipped */
 177     {120, 199, 140, 199}, /* b edgecase */
 178     {120, 200, 140, 200}, /* b edgecase clipped */
 179     {120, 132, 310, 132}, /* inside two clip rects */
 180     { 10, 134, 101, 134}, /* r end on l edgecase */
 181     { 10, 136, 100, 136}, /* r end on l edgecase clipped */
 182     {199, 138, 220, 138}, /* l end on r edgecase */
 183     {200, 140, 220, 140}  /* l end on r edgecase clipped */
 184 };
 185
 186 static const RECT vline_clips[] =
 187 {
 188     {120, 120, 120, 140}, /* unclipped */
 189     {100, 120, 100, 140}, /* l edgecase */
 190     { 99, 120,  99, 140}, /* l edgecase clipped */
 191     {199, 120, 199, 140}, /* r edgecase */
 192     {200, 120, 200, 140}, /* r edgecase clipped */
 193     {122,  99, 122, 201}, /* t and b clipped */
 194     {124, 100, 124, 140}, /* t edgecase */
 195     {126,  99, 126, 140}, /* t edgecase clipped */
 196     {128, 120, 128, 200}, /* b edgecase */
 197     {130, 120, 130, 201}, /* b edgecase clipped */
 198     {132,  12, 132, 140}, /* inside two clip rects */
 199     {134,  90, 134, 101}, /* b end on t edgecase */
 200     {136,  90, 136, 100}, /* b end on t edgecase clipped */
 201     {138, 199, 138, 220}, /* t end on b edgecase */
 202     {140, 200, 140, 220}  /* t end on b edgecase clipped */
 203 };
 204
 205 static const RECT line_clips[] =
 206 {
 207     { 90, 110, 310, 120},
 208     { 90, 120, 295, 130},
 209     { 90, 190, 110, 240}, /* totally clipped, moving outcodes */
 210     { 90, 130, 100, 135}, /* totally clipped, end pt on l edge */
 211     { 90, 132, 101, 137}, /* end pt just inside l edge */
 212     {200, 140, 210, 141}, /* totally clipped, start pt on r edge */
 213     {199, 142, 210, 143}  /* start pt just inside r edge */
 214 };
 215
 216 static const RECT patblt_clips[] =
 217 {
 218     {120, 120, 140, 126}, /* unclipped */
 219     {100, 130, 140, 136}, /* l edgecase */
 220     { 99, 140, 140, 146}, /* l edgecase clipped */
 221     {180, 130, 200, 136}, /* r edgecase */
 222     {180, 140, 201, 146}, /* r edgecase clipped */
 223     {120, 100, 130, 110}, /* t edgecase */
 224     {140,  99, 150, 110}, /* t edgecase clipped */
 225     {120, 180, 130, 200}, /* b edgecase */
 226     {140, 180, 150, 201}, /* b edgecase */
 227     {199, 150, 210, 156}, /* l edge on r edgecase */
 228     {200, 160, 210, 166}, /* l edge on r edgecase clipped */
 229     { 90, 150, 101, 156}, /* r edge on l edgecase */
 230     { 90, 160, 100, 166}, /* r edge on l edgecase clipped */
 231     {160,  90, 166, 101}, /* b edge on t edgecase */
 232     {170,  90, 176, 101}, /* b edge on t edgecase clipped */
 233     {160, 199, 166, 210}, /* t edge on b edgecase */
 234     {170, 200, 176, 210}, /* t edge on b edgecase clipped */
 235 };
 236
 237 static void draw_graphics(HDC hdc, BITMAPINFO *bmi, BYTE *bits, const char ***sha1)
 238 {
 239     DWORD dib_size = get_dib_size(bmi);
 240     HPEN solid_pen, orig_pen;
 241     HBRUSH solid_brush, orig_brush;
 242     INT i, y;
 243     HRGN hrgn, hrgn2;
 244
 245     memset(bits, 0xcc, dib_size);
 246     compare_hash(bmi, bits, sha1, "empty");
 247
 248     solid_pen = CreatePen(PS_SOLID, 1, RGB(0, 0, 0xff));
 249     orig_pen = SelectObject(hdc, solid_pen);
 250
 251     /* horizontal and vertical lines */
 252     for(i = 1; i <= 16; i++)
 253     {
 254         SetROP2(hdc, i);
 255         MoveToEx(hdc, 10, i * 3, NULL);
 256         LineTo(hdc, 100, i * 3); /* l -> r */
 257         MoveToEx(hdc, 100, 50 + i * 3, NULL);
 258         LineTo(hdc, 10, 50 + i * 3); /* r -> l */
 259         MoveToEx(hdc, 120 + i * 3, 10, NULL);
 260         LineTo(hdc, 120 + i * 3, 100); /* t -> b */
 261         MoveToEx(hdc, 170 + i * 3, 100, NULL);
 262         LineTo(hdc, 170 + i * 3, 10); /* b -> t */
 263     }
 264     compare_hash(bmi, bits, sha1, "h and v solid lines");
 265     memset(bits, 0xcc, dib_size);
 266
 267     /* diagonal lines */
 268     SetROP2(hdc, R2_COPYPEN);
 269     for(i = 0; i < 16; i++)
 270     {
 271         double s = sin(M_PI * i / 8.0);
 272         double c = cos(M_PI * i / 8.0);
 273
 274         MoveToEx(hdc, 200.5 + 10 * c, 200.5 + 10 * s, NULL);
 275         LineTo(hdc, 200.5 + 100 * c, 200.5 + 100 * s);
 276     }
 277     compare_hash(bmi, bits, sha1, "diagonal solid lines");
 278     memset(bits, 0xcc, dib_size);
 279
 280     for(i = 0; i < sizeof(bias_check) / sizeof(bias_check[0]); i++)
 281     {
 282         MoveToEx(hdc, bias_check[i].left, bias_check[i].top, NULL);
 283         LineTo(hdc, bias_check[i].right, bias_check[i].bottom);
 284     }
 285     compare_hash(bmi, bits, sha1, "more diagonal solid lines");
 286     memset(bits, 0xcc, dib_size);
 287
 288     /* solid brush PatBlt */
 289     solid_brush = CreateSolidBrush(RGB(0x33, 0xaa, 0xff));
 290     orig_brush = SelectObject(hdc, solid_brush);
 291
 292     for(i = 0, y = 10; i < 256; i++)
 293     {
 294         BOOL ret;
 295
 296         ret = PatBlt(hdc, 10, y, 100, 10, rop3[i]);
 297
 298         if(rop_uses_src(rop3[i]))
 299             ok(ret == FALSE, "got TRUE for %x\n", rop3[i]);
 300         else
 301         {
 302             ok(ret, "got FALSE for %x\n", rop3[i]);
 303             y += 20;
 304         }
 305
 306     }
 307     compare_hash(bmi, bits, sha1, "solid patblt");
 308     memset(bits, 0xcc, dib_size);
 309
 310     /* clipped lines */
 311     hrgn = CreateRectRgn(10, 10, 200, 20);
 312     hrgn2 = CreateRectRgn(100, 100, 200, 200);
 313     CombineRgn(hrgn, hrgn, hrgn2, RGN_OR);
 314     SetRectRgn(hrgn2, 290, 100, 300, 200);
 315     CombineRgn(hrgn, hrgn, hrgn2, RGN_OR);
 316     ExtSelectClipRgn(hdc, hrgn, RGN_COPY);
 317     DeleteObject(hrgn2);
 318     DeleteObject(hrgn);
 319
 320     for(i = 0; i < sizeof(hline_clips)/sizeof(hline_clips[0]); i++)
 321     {
 322         MoveToEx(hdc, hline_clips[i].left, hline_clips[i].top, NULL);
 323         LineTo(hdc, hline_clips[i].right, hline_clips[i].bottom);
 324     }
 325     compare_hash(bmi, bits, sha1, "clipped solid hlines");
 326     memset(bits, 0xcc, dib_size);
 327
 328     for(i = 0; i < sizeof(vline_clips)/sizeof(vline_clips[0]); i++)
 329     {
 330         MoveToEx(hdc, vline_clips[i].left, vline_clips[i].top, NULL);
 331         LineTo(hdc, vline_clips[i].right, vline_clips[i].bottom);
 332     }
 333     compare_hash(bmi, bits, sha1, "clipped solid vlines");
 334     memset(bits, 0xcc, dib_size);
 335
 336     for(i = 0; i < sizeof(line_clips)/sizeof(line_clips[0]); i++)
 337     {
 338         MoveToEx(hdc, line_clips[i].left, line_clips[i].top, NULL);
 339         LineTo(hdc, line_clips[i].right, line_clips[i].bottom);
 340     }
 341     compare_hash(bmi, bits, sha1, "clipped solid diagonal lines");
 342     memset(bits, 0xcc, dib_size);
 343
 344     /* clipped PatBlt */
 345     for(i = 0; i < sizeof(patblt_clips) / sizeof(patblt_clips[0]); i++)
 346     {
 347         PatBlt(hdc, patblt_clips[i].left, patblt_clips[i].top,
 348                patblt_clips[i].right - patblt_clips[i].left,
 349                patblt_clips[i].bottom - patblt_clips[i].top, PATCOPY);
 350     }
 351     compare_hash(bmi, bits, sha1, "clipped patblt");
 352
 353     ExtSelectClipRgn(hdc, NULL, RGN_COPY);
 354
 355
 356     SelectObject(hdc, orig_brush);
 357     SelectObject(hdc, orig_pen);
 358     DeleteObject(solid_brush);
 359     DeleteObject(solid_pen);
 360 }
 361
 362 static void test_simple_graphics(void)
 363 {
 364     char bmibuf[sizeof(BITMAPINFO) + 256 * sizeof(RGBQUAD)];
 365     BITMAPINFO *bmi = (BITMAPINFO *)bmibuf;
 366     DWORD *bit_fields = (DWORD*)(bmibuf + sizeof(BITMAPINFOHEADER));
 367     HDC mem_dc;
 368     BYTE *bits;
 369     HBITMAP dib, orig_bm;
 370     const char **sha1;
 371     DIBSECTION ds;
 372
 373     mem_dc = CreateCompatibleDC(NULL);
 374
 375     /* a8r8g8b8 */
 376     trace("8888\n");
 377     memset(bmi, 0, sizeof(bmibuf));
 378     bmi->bmiHeader.biSize = sizeof(bmi->bmiHeader);
 379     bmi->bmiHeader.biHeight = 512;
 380     bmi->bmiHeader.biWidth = 512;
 381     bmi->bmiHeader.biBitCount = 32;
 382     bmi->bmiHeader.biPlanes = 1;
 383     bmi->bmiHeader.biCompression = BI_RGB;
 384
 385     dib = CreateDIBSection(0, bmi, DIB_RGB_COLORS, (void**)&bits, NULL, 0);
 386     ok(dib != NULL, "ret NULL\n");
 387     ok(GetObjectW( dib, sizeof(ds), &ds ), "GetObject failed\n");
 388     ok(ds.dsBitfields[0] == 0, "got %08x\n", ds.dsBitfields[0]);
 389     ok(ds.dsBitfields[1] == 0, "got %08x\n", ds.dsBitfields[1]);
 390     ok(ds.dsBitfields[2] == 0, "got %08x\n", ds.dsBitfields[2]);
 391     ok(ds.dsBmih.biCompression == BI_RGB ||
 392        broken(ds.dsBmih.biCompression == BI_BITFIELDS), /* nt4 sp1 and 2 */
 393        "got %x\n", ds.dsBmih.biCompression);
 394
 395     orig_bm = SelectObject(mem_dc, dib);
 396
 397     sha1 = sha1_graphics_a8r8g8b8;
 398     draw_graphics(mem_dc, bmi, bits, &sha1);
 399
 400     SelectObject(mem_dc, orig_bm);
 401     DeleteObject(dib);
 402
 403     /* a8r8g8b8 - bitfields.  Should be the same as the regular 32 bit case.*/
 404     trace("8888 - bitfields\n");
 405     bmi->bmiHeader.biBitCount = 32;
 406     bmi->bmiHeader.biCompression = BI_BITFIELDS;
 407     bit_fields[0] = 0xff0000;
 408     bit_fields[1] = 0x00ff00;
 409     bit_fields[2] = 0x0000ff;
 410
 411     dib = CreateDIBSection(mem_dc, bmi, DIB_RGB_COLORS, (void**)&bits, NULL, 0);
 412     ok(dib != NULL, "ret NULL\n");
 413     ok(GetObjectW( dib, sizeof(ds), &ds ), "GetObject failed\n");
 414     ok(ds.dsBitfields[0] == 0xff0000, "got %08x\n", ds.dsBitfields[0]);
 415     ok(ds.dsBitfields[1] == 0x00ff00, "got %08x\n", ds.dsBitfields[1]);
 416     ok(ds.dsBitfields[2] == 0x0000ff, "got %08x\n", ds.dsBitfields[2]);
 417     ok(ds.dsBmih.biCompression == BI_BITFIELDS, "got %x\n", ds.dsBmih.biCompression);
 418
 419     orig_bm = SelectObject(mem_dc, dib);
 420
 421     sha1 = sha1_graphics_a8r8g8b8;
 422     draw_graphics(mem_dc, bmi, bits, &sha1);
 423
 424     SelectObject(mem_dc, orig_bm);
 425     DeleteObject(dib);
 426
 427
 428     /* r5g5b5 */
 429     bmi->bmiHeader.biBitCount = 16;
 430     bmi->bmiHeader.biCompression = BI_RGB;
 431
 432     dib = CreateDIBSection(0, bmi, DIB_RGB_COLORS, (void**)&bits, NULL, 0);
 433     ok(dib != NULL, "ret NULL\n");
 434     ok(GetObjectW( dib, sizeof(ds), &ds ), "GetObject failed\n");
 435     ok(ds.dsBitfields[0] == 0x7c00, "got %08x\n", ds.dsBitfields[0]);
 436     ok(ds.dsBitfields[1] == 0x03e0, "got %08x\n", ds.dsBitfields[1]);
 437     ok(ds.dsBitfields[2] == 0x001f, "got %08x\n", ds.dsBitfields[2]);
 438 todo_wine
 439     ok(ds.dsBmih.biCompression == BI_BITFIELDS, "got %x\n", ds.dsBmih.biCompression);
 440
 441     DeleteObject(dib);
 442
 443     DeleteDC(mem_dc);
 444 }
 445
 446 START_TEST(dib)
 447 {
 448     CryptAcquireContextW(&crypt_prov, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT);
 449
 450     test_simple_graphics();
 451
 452     CryptReleaseContext(crypt_prov, 0);
 453 }