dlls/gdiplus/tests/region.c

   1 /*
   2  * Unit test suite for gdiplus regions
   3  *
   4  * Copyright (C) 2008 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 "windows.h"
  22 #include "gdiplus.h"
  23 #include "wingdi.h"
  24 #include "wine/test.h"
  25
  26 #define RGNDATA_RECT            0x10000000
  27 #define RGNDATA_PATH            0x10000001
  28 #define RGNDATA_EMPTY_RECT      0x10000002
  29 #define RGNDATA_INFINITE_RECT   0x10000003
  30
  31 #define RGNDATA_MAGIC           0xdbc01001
  32 #define RGNDATA_MAGIC2          0xdbc01002
  33
  34 #define expect(expected, got) ok(got == expected, "Expected %.8x, got %.8x\n", expected, got)
  35
  36 #define expect_magic(value) ok(*value == RGNDATA_MAGIC || *value == RGNDATA_MAGIC2, "Expected a known magic value, got %8x\n", *value)
  37
  38 #define expect_dword(value, expected) ok(*(value) == expected, "expected %08x got %08x\n", expected, *(value))
  39
  40 static inline void expect_float(DWORD *value, FLOAT expected)
  41 {
  42     FLOAT valuef = *(FLOAT*)value;
  43     ok(valuef == expected, "expected %f got %f\n", expected, valuef);
  44 }
  45
  46 /* We get shorts back, not INTs like a GpPoint */
  47 typedef struct RegionDataPoint
  48 {
  49     short X, Y;
  50 } RegionDataPoint;
  51
  52 static void verify_region(HRGN hrgn, const RECT *rc)
  53 {
  54     union
  55     {
  56         RGNDATA data;
  57         char buf[sizeof(RGNDATAHEADER) + sizeof(RECT)];
  58     } rgn;
  59     const RECT *rect;
  60     DWORD ret;
  61
  62     ret = GetRegionData(hrgn, 0, NULL);
  63     if (IsRectEmpty(rc))
  64         ok(ret == sizeof(rgn.data.rdh), "expected sizeof(rdh), got %u\n", ret);
  65     else
  66         ok(ret == sizeof(rgn.data.rdh) + sizeof(RECT), "expected sizeof(rgn), got %u\n", ret);
  67
  68     if (!ret) return;
  69
  70     ret = GetRegionData(hrgn, sizeof(rgn), &rgn.data);
  71     if (IsRectEmpty(rc))
  72         ok(ret == sizeof(rgn.data.rdh), "expected sizeof(rdh), got %u\n", ret);
  73     else
  74         ok(ret == sizeof(rgn.data.rdh) + sizeof(RECT), "expected sizeof(rgn), got %u\n", ret);
  75
  76     trace("size %u, type %u, count %u, rgn size %u, bound (%d,%d-%d,%d)\n",
  77           rgn.data.rdh.dwSize, rgn.data.rdh.iType,
  78           rgn.data.rdh.nCount, rgn.data.rdh.nRgnSize,
  79           rgn.data.rdh.rcBound.left, rgn.data.rdh.rcBound.top,
  80           rgn.data.rdh.rcBound.right, rgn.data.rdh.rcBound.bottom);
  81     if (rgn.data.rdh.nCount != 0)
  82     {
  83         rect = (const RECT *)rgn.data.Buffer;
  84         trace("rect (%d,%d-%d,%d)\n", rect->left, rect->top, rect->right, rect->bottom);
  85         ok(EqualRect(rect, rc), "rects don't match\n");
  86     }
  87
  88     ok(rgn.data.rdh.dwSize == sizeof(rgn.data.rdh), "expected sizeof(rdh), got %u\n", rgn.data.rdh.dwSize);
  89     ok(rgn.data.rdh.iType == RDH_RECTANGLES, "expected RDH_RECTANGLES, got %u\n", rgn.data.rdh.iType);
  90     if (IsRectEmpty(rc))
  91     {
  92         ok(rgn.data.rdh.nCount == 0, "expected 0, got %u\n", rgn.data.rdh.nCount);
  93         ok(rgn.data.rdh.nRgnSize == 0,  "expected 0, got %u\n", rgn.data.rdh.nRgnSize);
  94     }
  95     else
  96     {
  97         ok(rgn.data.rdh.nCount == 1, "expected 1, got %u\n", rgn.data.rdh.nCount);
  98         ok(rgn.data.rdh.nRgnSize == sizeof(RECT),  "expected sizeof(RECT), got %u\n", rgn.data.rdh.nRgnSize);
  99     }
 100     ok(EqualRect(&rgn.data.rdh.rcBound, rc), "rects don't match\n");
 101 }
 102
 103 static void test_getregiondata(void)
 104 {
 105     GpStatus status;
 106     GpRegion *region, *region2;
 107     RegionDataPoint *point;
 108     UINT needed;
 109     DWORD buf[100];
 110     GpRect rect;
 111     GpPath *path;
 112
 113     memset(buf, 0xee, sizeof(buf));
 114
 115     status = GdipCreateRegion(&region);
 116     ok(status == Ok, "status %08x\n", status);
 117
 118     status = GdipGetRegionDataSize(region, &needed);
 119     ok(status == Ok, "status %08x\n", status);
 120     expect(20, needed);
 121     status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed);
 122     ok(status == Ok, "status %08x\n", status);
 123     expect(20, needed);
 124     expect_dword(buf, 12);
 125     trace("buf[1] = %08x\n", buf[1]);
 126     expect_magic((DWORD*)(buf + 2));
 127     expect_dword(buf + 3, 0);
 128     expect_dword(buf + 4, RGNDATA_INFINITE_RECT);
 129
 130     status = GdipSetEmpty(region);
 131     ok(status == Ok, "status %08x\n", status);
 132     status = GdipGetRegionDataSize(region, &needed);
 133     ok(status == Ok, "status %08x\n", status);
 134     expect(20, needed);
 135     status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed);
 136     ok(status == Ok, "status %08x\n", status);
 137     expect(20, needed);
 138     expect_dword(buf, 12);
 139     trace("buf[1] = %08x\n", buf[1]);
 140     expect_magic((DWORD*)(buf + 2));
 141     expect_dword(buf + 3, 0);
 142     expect_dword(buf + 4, RGNDATA_EMPTY_RECT);
 143
 144     status = GdipSetInfinite(region);
 145     ok(status == Ok, "status %08x\n", status);
 146     status = GdipGetRegionDataSize(region, &needed);
 147     ok(status == Ok, "status %08x\n", status);
 148     expect(20, needed);
 149     status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed);
 150     ok(status == Ok, "status %08x\n", status);
 151     expect(20, needed);
 152     expect_dword(buf, 12);
 153     trace("buf[1] = %08x\n", buf[1]);
 154     expect_magic((DWORD*)(buf + 2));
 155     expect_dword(buf + 3, 0);
 156     expect_dword(buf + 4, RGNDATA_INFINITE_RECT);
 157
 158     status = GdipDeleteRegion(region);
 159     ok(status == Ok, "status %08x\n", status);
 160
 161     rect.X = 10;
 162     rect.Y = 20;
 163     rect.Width = 100;
 164     rect.Height = 200;
 165     status = GdipCreateRegionRectI(&rect, &region);
 166     ok(status == Ok, "status %08x\n", status);
 167     status = GdipGetRegionDataSize(region, &needed);
 168     ok(status == Ok, "status %08x\n", status);
 169     expect(36, needed);
 170     status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed);
 171     ok(status == Ok, "status %08x\n", status);
 172     expect(36, needed);
 173     expect_dword(buf, 28);
 174     trace("buf[1] = %08x\n", buf[1]);
 175     expect_magic((DWORD*)(buf + 2));
 176     expect_dword(buf + 3, 0);
 177     expect_dword(buf + 4, RGNDATA_RECT);
 178     expect_float(buf + 5, 10.0);
 179     expect_float(buf + 6, 20.0);
 180     expect_float(buf + 7, 100.0);
 181     expect_float(buf + 8, 200.0);
 182
 183     rect.X = 50;
 184     rect.Y = 30;
 185     rect.Width = 10;
 186     rect.Height = 20;
 187     status = GdipCombineRegionRectI(region, &rect, CombineModeIntersect);
 188     ok(status == Ok, "status %08x\n", status);
 189     rect.X = 100;
 190     rect.Y = 300;
 191     rect.Width = 30;
 192     rect.Height = 50;
 193     status = GdipCombineRegionRectI(region, &rect, CombineModeXor);
 194     ok(status == Ok, "status %08x\n", status);
 195
 196     rect.X = 200;
 197     rect.Y = 100;
 198     rect.Width = 133;
 199     rect.Height = 266;
 200     status = GdipCreateRegionRectI(&rect, &region2);
 201     ok(status == Ok, "status %08x\n", status);
 202     rect.X = 20;
 203     rect.Y = 10;
 204     rect.Width = 40;
 205     rect.Height = 66;
 206     status = GdipCombineRegionRectI(region2, &rect, CombineModeUnion);
 207     ok(status == Ok, "status %08x\n", status);
 208
 209     status = GdipCombineRegionRegion(region, region2, CombineModeComplement);
 210     ok(status == Ok, "status %08x\n", status);
 211
 212     rect.X = 400;
 213     rect.Y = 500;
 214     rect.Width = 22;
 215     rect.Height = 55;
 216     status = GdipCombineRegionRectI(region, &rect, CombineModeExclude);
 217     ok(status == Ok, "status %08x\n", status);
 218
 219     status = GdipGetRegionDataSize(region, &needed);
 220     ok(status == Ok, "status %08x\n", status);
 221     expect(156, needed);
 222     status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed);
 223     ok(status == Ok, "status %08x\n", status);
 224     expect(156, needed);
 225     expect_dword(buf, 148);
 226     trace("buf[1] = %08x\n", buf[1]);
 227     expect_magic((DWORD*)(buf + 2));
 228     expect_dword(buf + 3, 10);
 229     expect_dword(buf + 4, CombineModeExclude);
 230     expect_dword(buf + 5, CombineModeComplement);
 231     expect_dword(buf + 6, CombineModeXor);
 232     expect_dword(buf + 7, CombineModeIntersect);
 233     expect_dword(buf + 8, RGNDATA_RECT);
 234     expect_float(buf + 9, 10.0);
 235     expect_float(buf + 10, 20.0);
 236     expect_float(buf + 11, 100.0);
 237     expect_float(buf + 12, 200.0);
 238     expect_dword(buf + 13, RGNDATA_RECT);
 239     expect_float(buf + 14, 50.0);
 240     expect_float(buf + 15, 30.0);
 241     expect_float(buf + 16, 10.0);
 242     expect_float(buf + 17, 20.0);
 243     expect_dword(buf + 18, RGNDATA_RECT);
 244     expect_float(buf + 19, 100.0);
 245     expect_float(buf + 20, 300.0);
 246     expect_float(buf + 21, 30.0);
 247     expect_float(buf + 22, 50.0);
 248     expect_dword(buf + 23, CombineModeUnion);
 249     expect_dword(buf + 24, RGNDATA_RECT);
 250     expect_float(buf + 25, 200.0);
 251     expect_float(buf + 26, 100.0);
 252     expect_float(buf + 27, 133.0);
 253     expect_float(buf + 28, 266.0);
 254     expect_dword(buf + 29, RGNDATA_RECT);
 255     expect_float(buf + 30, 20.0);
 256     expect_float(buf + 31, 10.0);
 257     expect_float(buf + 32, 40.0);
 258     expect_float(buf + 33, 66.0);
 259     expect_dword(buf + 34, RGNDATA_RECT);
 260     expect_float(buf + 35, 400.0);
 261     expect_float(buf + 36, 500.0);
 262     expect_float(buf + 37, 22.0);
 263     expect_float(buf + 38, 55.0);
 264
 265     status = GdipDeleteRegion(region2);
 266     ok(status == Ok, "status %08x\n", status);
 267     status = GdipDeleteRegion(region);
 268     ok(status == Ok, "status %08x\n", status);
 269
 270     /* Try some paths */
 271
 272     status = GdipCreatePath(FillModeAlternate, &path);
 273     ok(status == Ok, "status %08x\n", status);
 274     GdipAddPathRectangle(path, 12.5, 13.0, 14.0, 15.0);
 275
 276     status = GdipCreateRegionPath(path, &region);
 277     ok(status == Ok, "status %08x\n", status);
 278     status = GdipGetRegionDataSize(region, &needed);
 279     ok(status == Ok, "status %08x\n", status);
 280     expect(72, needed);
 281     status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed);
 282     ok(status == Ok, "status %08x\n", status);
 283     expect(72, needed);
 284     expect_dword(buf, 64);
 285     trace("buf[1] = %08x\n", buf[1]);
 286     expect_magic((DWORD*)(buf + 2));
 287     expect_dword(buf + 3, 0);
 288     expect_dword(buf + 4, RGNDATA_PATH);
 289     expect_dword(buf + 5, 0x00000030);
 290     expect_magic((DWORD*)(buf + 6));
 291     expect_dword(buf + 7, 0x00000004);
 292     expect_dword(buf + 8, 0x00000000);
 293     expect_float(buf + 9, 12.5);
 294     expect_float(buf + 10, 13.0);
 295     expect_float(buf + 11, 26.5);
 296     expect_float(buf + 12, 13.0);
 297     expect_float(buf + 13, 26.5);
 298     expect_float(buf + 14, 28.0);
 299     expect_float(buf + 15, 12.5);
 300     expect_float(buf + 16, 28.0);
 301     expect_dword(buf + 17, 0x81010100);
 302
 303
 304     rect.X = 50;
 305     rect.Y = 30;
 306     rect.Width = 10;
 307     rect.Height = 20;
 308     status = GdipCombineRegionRectI(region, &rect, CombineModeIntersect);
 309     ok(status == Ok, "status %08x\n", status);
 310     status = GdipGetRegionDataSize(region, &needed);
 311     ok(status == Ok, "status %08x\n", status);
 312     expect(96, needed);
 313     status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed);
 314     ok(status == Ok, "status %08x\n", status);
 315     expect(96, needed);
 316     expect_dword(buf, 88);
 317     trace("buf[1] = %08x\n", buf[1]);
 318     expect_magic((DWORD*)(buf + 2));
 319     expect_dword(buf + 3, 2);
 320     expect_dword(buf + 4, CombineModeIntersect);
 321     expect_dword(buf + 5, RGNDATA_PATH);
 322     expect_dword(buf + 6, 0x00000030);
 323     expect_magic((DWORD*)(buf + 7));
 324     expect_dword(buf + 8, 0x00000004);
 325     expect_dword(buf + 9, 0x00000000);
 326     expect_float(buf + 10, 12.5);
 327     expect_float(buf + 11, 13.0);
 328     expect_float(buf + 12, 26.5);
 329     expect_float(buf + 13, 13.0);
 330     expect_float(buf + 14, 26.5);
 331     expect_float(buf + 15, 28.0);
 332     expect_float(buf + 16, 12.5);
 333     expect_float(buf + 17, 28.0);
 334     expect_dword(buf + 18, 0x81010100);
 335     expect_dword(buf + 19, RGNDATA_RECT);
 336     expect_float(buf + 20, 50.0);
 337     expect_float(buf + 21, 30.0);
 338     expect_float(buf + 22, 10.0);
 339     expect_float(buf + 23, 20.0);
 340
 341     status = GdipDeleteRegion(region);
 342     ok(status == Ok, "status %08x\n", status);
 343     status = GdipDeletePath(path);
 344     ok(status == Ok, "status %08x\n", status);
 345
 346     /* Test an empty path */
 347     status = GdipCreatePath(FillModeAlternate, &path);
 348     expect(Ok, status);
 349     status = GdipCreateRegionPath(path, &region);
 350     expect(Ok, status);
 351     status = GdipGetRegionDataSize(region, &needed);
 352     expect(Ok, status);
 353     expect(36, needed);
 354     status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed);
 355     expect(Ok, status);
 356     expect(36, needed);
 357     expect_dword(buf, 28);
 358     trace("buf[1] = %08x\n", buf[1]);
 359     expect_magic((DWORD*)(buf + 2));
 360     expect_dword(buf + 3, 0);
 361     expect_dword(buf + 4, RGNDATA_PATH);
 362
 363     /* Second signature for pathdata */
 364     expect_dword(buf + 5, 12);
 365     expect_magic((DWORD*)(buf + 6));
 366     expect_dword(buf + 7, 0);
 367     /* flags 0x4000 means its a path of shorts instead of FLOAT */
 368     ok((*(buf + 8) & (~ 0x00004000)) == 0x00000000,
 369        "expected 00000000 got %08x\n", *(buf + 8) & (~ 0x00004000));
 370
 371     status = GdipDeleteRegion(region);
 372     expect(Ok, status);
 373
 374     /* Test a simple triangle of INTs */
 375     status = GdipAddPathLine(path, 5, 6, 7, 8);
 376     expect(Ok, status);
 377     status = GdipAddPathLine(path, 8, 1, 5, 6);
 378     expect(Ok, status);
 379     status = GdipClosePathFigure(path);
 380     expect(Ok, status);
 381     status = GdipCreateRegionPath(path, &region);
 382     expect(Ok, status);
 383     status = GdipGetRegionDataSize(region, &needed);
 384     expect(Ok, status);
 385     expect(56, needed);
 386     status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed);
 387     expect(Ok, status);
 388     expect(56, needed);
 389     expect_dword(buf, 48);
 390     trace("buf[1] = %08x\n", buf[1]);
 391     expect_magic((DWORD*)(buf + 2));
 392     expect_dword(buf + 3 , 0);
 393     expect_dword(buf + 4 , RGNDATA_PATH);
 394
 395     expect_dword(buf + 5, 32);
 396     expect_magic((DWORD*)(buf + 6));
 397     expect_dword(buf + 7, 4);
 398     expect_dword(buf + 8, 0x00004000); /* ?? */
 399
 400     point = (RegionDataPoint*)buf + 9;
 401     expect(5, point[0].X);
 402     expect(6, point[0].Y);
 403     expect(7, point[1].X); /* buf + 10 */
 404     expect(8, point[1].Y);
 405     expect(8, point[2].X); /* buf + 11 */
 406     expect(1, point[2].Y);
 407     expect(5, point[3].X); /* buf + 12 */
 408     expect(6, point[3].Y);
 409     expect_dword(buf + 13, 0x81010100); /* 0x01010100 if we don't close the path */
 410
 411     status = GdipDeletePath(path);
 412     expect(Ok, status);
 413     status = GdipDeleteRegion(region);
 414     expect(Ok, status);
 415
 416     /* Test a floating-point triangle */
 417     status = GdipCreatePath(FillModeAlternate, &path);
 418     expect(Ok, status);
 419     status = GdipAddPathLine(path, 5.6, 6.2, 7.2, 8.9);
 420     expect(Ok, status);
 421     status = GdipAddPathLine(path, 8.1, 1.6, 5.6, 6.2);
 422     expect(Ok, status);
 423     status = GdipCreateRegionPath(path, &region);
 424     expect(Ok, status);
 425     status = GdipGetRegionDataSize(region, &needed);
 426     expect(Ok, status);
 427     expect(72, needed);
 428     status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed);
 429     expect(Ok, status);
 430     expect(72, needed);
 431     expect_dword(buf, 64);
 432     trace("buf[1] = %08x\n", buf[1]);
 433     expect_magic((DWORD*)(buf + 2));
 434     expect_dword(buf + 3, 0);
 435     expect_dword(buf + 4, RGNDATA_PATH);
 436
 437     expect_dword(buf + 5, 48);
 438     expect_magic((DWORD*)(buf + 6));
 439     expect_dword(buf + 7, 4);
 440     expect_dword(buf + 8, 0);
 441     expect_float(buf + 9, 5.6);
 442     expect_float(buf + 10, 6.2);
 443     expect_float(buf + 11, 7.2);
 444     expect_float(buf + 12, 8.9);
 445     expect_float(buf + 13, 8.1);
 446     expect_float(buf + 14, 1.6);
 447     expect_float(buf + 15, 5.6);
 448     expect_float(buf + 16, 6.2);
 449
 450     status = GdipDeletePath(path);
 451     expect(Ok, status);
 452     status = GdipDeleteRegion(region);
 453     expect(Ok, status);
 454
 455     /* Test for a path with > 4 points, and CombineRegionPath */
 456     GdipCreatePath(FillModeAlternate, &path);
 457     status = GdipAddPathLine(path, 50, 70.2, 60, 102.8);
 458     expect(Ok, status);
 459     status = GdipAddPathLine(path, 55.4, 122.4, 40.4, 60.2);
 460     expect(Ok, status);
 461     status = GdipAddPathLine(path, 45.6, 20.2, 50, 70.2);
 462     expect(Ok, status);
 463     rect.X = 20;
 464     rect.Y = 25;
 465     rect.Width = 60;
 466     rect.Height = 120;
 467     status = GdipCreateRegionRectI(&rect, &region);
 468     expect(Ok, status);
 469     status = GdipCombineRegionPath(region, path, CombineModeUnion);
 470     expect(Ok, status);
 471
 472     status = GdipGetRegionDataSize(region, &needed);
 473     expect(Ok, status);
 474     expect(116, needed);
 475     status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed);
 476     expect(Ok, status);
 477     expect(116, needed);
 478     expect_dword(buf, 108);
 479     trace("buf[1] = %08x\n", buf[1]);
 480     expect_magic((DWORD*)(buf + 2));
 481     expect_dword(buf + 3, 2);
 482     expect_dword(buf + 4, CombineModeUnion);
 483     expect_dword(buf + 5, RGNDATA_RECT);
 484     expect_float(buf + 6, 20);
 485     expect_float(buf + 7, 25);
 486     expect_float(buf + 8, 60);
 487     expect_float(buf + 9, 120);
 488     expect_dword(buf + 10, RGNDATA_PATH);
 489
 490     expect_dword(buf + 11, 68);
 491     expect_magic((DWORD*)(buf + 12));
 492     expect_dword(buf + 13, 6);
 493     expect_float(buf + 14, 0x0);
 494
 495     expect_float(buf + 15, 50);
 496     expect_float(buf + 16, 70.2);
 497     expect_float(buf + 17, 60);
 498     expect_float(buf + 18, 102.8);
 499     expect_float(buf + 19, 55.4);
 500     expect_float(buf + 20, 122.4);
 501     expect_float(buf + 21, 40.4);
 502     expect_float(buf + 22, 60.2);
 503     expect_float(buf + 23, 45.6);
 504     expect_float(buf + 24, 20.2);
 505     expect_float(buf + 25, 50);
 506     expect_float(buf + 26, 70.2);
 507     expect_dword(buf + 27, 0x01010100);
 508     ok(*(buf + 28) == 0x00000101 || *(buf + 28) == 0x43050101 /* Win 7 */,
 509        "expected 00000101 or 43050101 got %08x\n", *(buf + 28));
 510
 511     status = GdipDeletePath(path);
 512     expect(Ok, status);
 513     status = GdipDeleteRegion(region);
 514     expect(Ok, status);
 515 }
 516
 517 static void test_isinfinite(void)
 518 {
 519     GpStatus status;
 520     GpRegion *region;
 521     GpGraphics *graphics = NULL;
 522     GpMatrix *m;
 523     HDC hdc = GetDC(0);
 524     BOOL res;
 525
 526     status = GdipCreateFromHDC(hdc, &graphics);
 527     expect(Ok, status);
 528     GdipCreateRegion(&region);
 529
 530     GdipCreateMatrix2(3.0, 0.0, 0.0, 1.0, 20.0, 30.0, &m);
 531
 532     /* NULL arguments */
 533     status = GdipIsInfiniteRegion(NULL, NULL, NULL);
 534     expect(InvalidParameter, status);
 535     status = GdipIsInfiniteRegion(region, NULL, NULL);
 536     expect(InvalidParameter, status);
 537     status = GdipIsInfiniteRegion(NULL, graphics, NULL);
 538     expect(InvalidParameter, status);
 539     status = GdipIsInfiniteRegion(NULL, NULL, &res);
 540     expect(InvalidParameter, status);
 541     status = GdipIsInfiniteRegion(region, NULL, &res);
 542     expect(InvalidParameter, status);
 543
 544     res = FALSE;
 545     status = GdipIsInfiniteRegion(region, graphics, &res);
 546     expect(Ok, status);
 547     expect(TRUE, res);
 548
 549     /* after world transform */
 550     status = GdipSetWorldTransform(graphics, m);
 551     expect(Ok, status);
 552
 553     res = FALSE;
 554     status = GdipIsInfiniteRegion(region, graphics, &res);
 555     expect(Ok, status);
 556     expect(TRUE, res);
 557
 558     GdipDeleteMatrix(m);
 559     GdipDeleteRegion(region);
 560     GdipDeleteGraphics(graphics);
 561     ReleaseDC(0, hdc);
 562 }
 563
 564 static void test_isempty(void)
 565 {
 566     GpStatus status;
 567     GpRegion *region;
 568     GpGraphics *graphics = NULL;
 569     HDC hdc = GetDC(0);
 570     BOOL res;
 571
 572     status = GdipCreateFromHDC(hdc, &graphics);
 573     expect(Ok, status);
 574     GdipCreateRegion(&region);
 575
 576     /* NULL arguments */
 577     status = GdipIsEmptyRegion(NULL, NULL, NULL);
 578     expect(InvalidParameter, status);
 579     status = GdipIsEmptyRegion(region, NULL, NULL);
 580     expect(InvalidParameter, status);
 581     status = GdipIsEmptyRegion(NULL, graphics, NULL);
 582     expect(InvalidParameter, status);
 583     status = GdipIsEmptyRegion(NULL, NULL, &res);
 584     expect(InvalidParameter, status);
 585     status = GdipIsEmptyRegion(region, NULL, &res);
 586     expect(InvalidParameter, status);
 587
 588     /* default is infinite */
 589     res = TRUE;
 590     status = GdipIsEmptyRegion(region, graphics, &res);
 591     expect(Ok, status);
 592     expect(FALSE, res);
 593
 594     status = GdipSetEmpty(region);
 595     expect(Ok, status);
 596
 597     res = FALSE;
 598     status = GdipIsEmptyRegion(region, graphics, &res);
 599     expect(Ok, status);
 600     expect(TRUE, res);
 601
 602     GdipDeleteRegion(region);
 603     GdipDeleteGraphics(graphics);
 604     ReleaseDC(0, hdc);
 605 }
 606
 607 static void test_combinereplace(void)
 608 {
 609     GpStatus status;
 610     GpRegion *region, *region2;
 611     GpPath *path;
 612     GpRectF rectf;
 613     UINT needed;
 614     DWORD buf[50];
 615
 616     rectf.X = rectf.Y = 0.0;
 617     rectf.Width = rectf.Height = 100.0;
 618
 619     status = GdipCreateRegionRect(&rectf, &region);
 620     expect(Ok, status);
 621
 622     /* replace with the same rectangle */
 623     status = GdipCombineRegionRect(region, &rectf,CombineModeReplace);
 624     expect(Ok, status);
 625
 626     status = GdipGetRegionDataSize(region, &needed);
 627     expect(Ok, status);
 628     expect(36, needed);
 629     status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed);
 630     expect(Ok, status);
 631     expect(36, needed);
 632     expect_dword(buf, 28);
 633     trace("buf[1] = %08x\n", buf[1]);
 634     expect_magic((DWORD*)(buf + 2));
 635     expect_dword(buf + 3, 0);
 636     expect_dword(buf + 4, RGNDATA_RECT);
 637
 638     /* replace with path */
 639     status = GdipCreatePath(FillModeAlternate, &path);
 640     expect(Ok, status);
 641     status = GdipAddPathEllipse(path, 0.0, 0.0, 100.0, 250.0);
 642     expect(Ok, status);
 643     status = GdipCombineRegionPath(region, path, CombineModeReplace);
 644     expect(Ok, status);
 645
 646     status = GdipGetRegionDataSize(region, &needed);
 647     expect(Ok, status);
 648     expect(156, needed);
 649     status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed);
 650     expect(Ok, status);
 651     expect(156, needed);
 652     expect_dword(buf, 148);
 653     trace("buf[1] = %08x\n", buf[1]);
 654     expect_magic((DWORD*)(buf + 2));
 655     expect_dword(buf + 3, 0);
 656     expect_dword(buf + 4, RGNDATA_PATH);
 657     GdipDeletePath(path);
 658
 659     /* replace with infinite rect */
 660     status = GdipCreateRegion(&region2);
 661     expect(Ok, status);
 662     status = GdipCombineRegionRegion(region, region2, CombineModeReplace);
 663     expect(Ok, status);
 664
 665     status = GdipGetRegionDataSize(region, &needed);
 666     expect(Ok, status);
 667     expect(20, needed);
 668     status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed);
 669     expect(Ok, status);
 670     expect(20, needed);
 671     expect_dword(buf, 12);
 672     trace("buf[1] = %08x\n", buf[1]);
 673     expect_magic((DWORD*)(buf + 2));
 674     expect_dword(buf + 3, 0);
 675     expect_dword(buf + 4, RGNDATA_INFINITE_RECT);
 676     GdipDeleteRegion(region2);
 677
 678     /* more complex case : replace with a combined region */
 679     status = GdipCreateRegionRect(&rectf, &region2);
 680     expect(Ok, status);
 681     status = GdipCreatePath(FillModeAlternate, &path);
 682     expect(Ok, status);
 683     status = GdipAddPathEllipse(path, 0.0, 0.0, 100.0, 250.0);
 684     expect(Ok, status);
 685     status = GdipCombineRegionPath(region2, path, CombineModeUnion);
 686     expect(Ok, status);
 687     GdipDeletePath(path);
 688     status = GdipCombineRegionRegion(region, region2, CombineModeReplace);
 689     expect(Ok, status);
 690     GdipDeleteRegion(region2);
 691
 692     status = GdipGetRegionDataSize(region, &needed);
 693     expect(Ok, status);
 694     expect(180, needed);
 695     status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed);
 696     expect(Ok, status);
 697     expect(180, needed);
 698     expect_dword(buf, 172);
 699     trace("buf[1] = %08x\n", buf[1]);
 700     expect_magic((DWORD*)(buf + 2));
 701     expect_dword(buf + 3, 2);
 702     expect_dword(buf + 4, CombineModeUnion);
 703
 704     GdipDeleteRegion(region);
 705 }
 706
 707 static void test_fromhrgn(void)
 708 {
 709     GpStatus status;
 710     GpRegion *region = (GpRegion*)0xabcdef01;
 711     HRGN hrgn;
 712     UINT needed;
 713     DWORD buf[220];
 714     RegionDataPoint *point;
 715     GpGraphics *graphics = NULL;
 716     HDC hdc;
 717     BOOL res;
 718
 719     /* NULL */
 720     status = GdipCreateRegionHrgn(NULL, NULL);
 721     expect(InvalidParameter, status);
 722     status = GdipCreateRegionHrgn(NULL, &region);
 723     expect(InvalidParameter, status);
 724     status = GdipCreateRegionHrgn((HRGN)0xdeadbeef, &region);
 725     expect(InvalidParameter, status);
 726     ok(region == (GpRegion*)0xabcdef01, "Expected region not to be created\n");
 727
 728     /* empty rectangle */
 729     hrgn = CreateRectRgn(0, 0, 0, 0);
 730     status = GdipCreateRegionHrgn(hrgn, &region);
 731     expect(Ok, status);
 732     if(status == Ok) {
 733
 734     hdc = GetDC(0);
 735     status = GdipCreateFromHDC(hdc, &graphics);
 736     expect(Ok, status);
 737     res = FALSE;
 738     status = GdipIsEmptyRegion(region, graphics, &res);
 739     expect(Ok, status);
 740     expect(TRUE, res);
 741     GdipDeleteGraphics(graphics);
 742     ReleaseDC(0, hdc);
 743     GdipDeleteRegion(region);
 744
 745     }
 746     DeleteObject(hrgn);
 747
 748     /* rectangle */
 749     hrgn = CreateRectRgn(0, 0, 100, 10);
 750     status = GdipCreateRegionHrgn(hrgn, &region);
 751     expect(Ok, status);
 752
 753     status = GdipGetRegionDataSize(region, &needed);
 754     expect(Ok, status);
 755     expect(56, needed);
 756
 757     status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed);
 758     expect(Ok, status);
 759
 760     if(status == Ok){
 761
 762     expect(56, needed);
 763     expect_dword(buf, 48);
 764     expect_magic((DWORD*)(buf + 2));
 765     expect_dword(buf + 3, 0);
 766     expect_dword(buf + 4, RGNDATA_PATH);
 767     expect_dword(buf + 5, 0x00000020);
 768     expect_magic((DWORD*)(buf + 6));
 769     expect_dword(buf + 7, 0x00000004);
 770     todo_wine expect_dword(buf + 8, 0x00006000); /* ?? */
 771
 772     point = (RegionDataPoint*)buf + 9;
 773
 774     expect(0,  point[0].X);
 775     expect(0,  point[0].Y);
 776
 777     expect(100,point[1].X); /* buf + 10 */
 778     expect(0,  point[1].Y);
 779     expect(100,point[2].X); /* buf + 11 */
 780     expect(10, point[2].Y);
 781
 782     expect(0,  point[3].X); /* buf + 12 */
 783
 784     expect(10, point[3].Y);
 785     expect_dword(buf + 13, 0x81010100); /* closed */
 786
 787     }
 788
 789     GdipDeleteRegion(region);
 790     DeleteObject(hrgn);
 791
 792     /* ellipse */
 793     hrgn = CreateEllipticRgn(0, 0, 100, 10);
 794     status = GdipCreateRegionHrgn(hrgn, &region);
 795     expect(Ok, status);
 796
 797     status = GdipGetRegionDataSize(region, &needed);
 798     expect(Ok, status);
 799     ok(needed == 216 ||
 800        needed == 196, /* win98 */
 801        "Got %.8x\n", needed);
 802
 803     status = GdipGetRegionData(region, (BYTE*)buf, sizeof(buf), &needed);
 804     expect(Ok, status);
 805
 806     if(status == Ok && needed == 216) /* Don't try to test win98 layout */
 807     {
 808     expect(Ok, status);
 809     expect(216, needed);
 810     expect_dword(buf, 208);
 811     expect_magic((DWORD*)(buf + 2));
 812     expect_dword(buf + 3, 0);
 813     expect_dword(buf + 4, RGNDATA_PATH);
 814     expect_dword(buf + 5, 0x000000C0);
 815     expect_magic((DWORD*)(buf + 6));
 816     expect_dword(buf + 7, 0x00000024);
 817     todo_wine expect_dword(buf + 8, 0x00006000); /* ?? */
 818     }
 819
 820     GdipDeleteRegion(region);
 821     DeleteObject(hrgn);
 822 }
 823
 824 static void test_gethrgn(void)
 825 {
 826     GpStatus status;
 827     GpRegion *region, *region2;
 828     GpPath *path;
 829     GpGraphics *graphics;
 830     HRGN hrgn;
 831     HDC hdc=GetDC(0);
 832     static const RECT empty_rect = {0,0,0,0};
 833     static const RECT test_rect = {10, 11, 20, 21};
 834     static const GpRectF test_rectF = {10.0, 11.0, 10.0, 10.0};
 835     static const RECT scaled_rect = {20, 22, 40, 42};
 836     static const RECT test_rect2 = {10, 21, 20, 31};
 837     static const GpRectF test_rect2F = {10.0, 21.0, 10.0, 10.0};
 838     static const RECT test_rect3 = {10, 11, 20, 31};
 839     static const GpRectF test_rect3F = {10.0, 11.0, 10.0, 20.0};
 840
 841     status = GdipCreateFromHDC(hdc, &graphics);
 842     ok(status == Ok, "status %08x\n", status);
 843
 844     status = GdipCreateRegion(&region);
 845     ok(status == Ok, "status %08x\n", status);
 846
 847     status = GdipGetRegionHRgn(NULL, graphics, &hrgn);
 848     ok(status == InvalidParameter, "status %08x\n", status);
 849     status = GdipGetRegionHRgn(region, graphics, NULL);
 850     ok(status == InvalidParameter, "status %08x\n", status);
 851
 852     status = GdipGetRegionHRgn(region, NULL, &hrgn);
 853     ok(status == Ok, "status %08x\n", status);
 854     ok(hrgn == NULL, "hrgn=%p\n", hrgn);
 855     DeleteObject(hrgn);
 856
 857     status = GdipGetRegionHRgn(region, graphics, &hrgn);
 858     ok(status == Ok, "status %08x\n", status);
 859     ok(hrgn == NULL, "hrgn=%p\n", hrgn);
 860     DeleteObject(hrgn);
 861
 862     status = GdipSetEmpty(region);
 863     ok(status == Ok, "status %08x\n", status);
 864     status = GdipGetRegionHRgn(region, NULL, &hrgn);
 865     ok(status == Ok, "status %08x\n", status);
 866     verify_region(hrgn, &empty_rect);
 867     DeleteObject(hrgn);
 868
 869     status = GdipCreatePath(FillModeAlternate, &path);
 870     ok(status == Ok, "status %08x\n", status);
 871     status = GdipAddPathRectangle(path, 10.0, 11.0, 10.0, 10.0);
 872     ok(status == Ok, "status %08x\n", status);
 873
 874     status = GdipCreateRegionPath(path, &region2);
 875     ok(status == Ok, "status %08x\n", status);
 876     status = GdipGetRegionHRgn(region2, NULL, &hrgn);
 877     ok(status == Ok, "status %08x\n", status);
 878     verify_region(hrgn, &test_rect);
 879     DeleteObject(hrgn);
 880
 881     /* resulting HRGN is in device coordinates */
 882     status = GdipScaleWorldTransform(graphics, 2.0, 2.0, MatrixOrderPrepend);
 883     ok(status == Ok, "status %08x\n", status);
 884     status = GdipGetRegionHRgn(region2, graphics, &hrgn);
 885     ok(status == Ok, "status %08x\n", status);
 886     verify_region(hrgn, &scaled_rect);
 887     DeleteObject(hrgn);
 888
 889     status = GdipCombineRegionRect(region2, &test_rectF, CombineModeReplace);
 890     ok(status == Ok, "status %08x\n", status);
 891     status = GdipGetRegionHRgn(region2, NULL, &hrgn);
 892     ok(status == Ok, "status %08x\n", status);
 893     verify_region(hrgn, &test_rect);
 894     DeleteObject(hrgn);
 895
 896     status = GdipGetRegionHRgn(region2, graphics, &hrgn);
 897     ok(status == Ok, "status %08x\n", status);
 898     verify_region(hrgn, &scaled_rect);
 899     DeleteObject(hrgn);
 900
 901     status = GdipSetInfinite(region);
 902     ok(status == Ok, "status %08x\n", status);
 903     status = GdipCombineRegionRect(region, &test_rectF, CombineModeIntersect);
 904     ok(status == Ok, "status %08x\n", status);
 905     status = GdipGetRegionHRgn(region, NULL, &hrgn);
 906     ok(status == Ok, "status %08x\n", status);
 907     verify_region(hrgn, &test_rect);
 908     DeleteObject(hrgn);
 909
 910     status = GdipCombineRegionRect(region, &test_rectF, CombineModeReplace);
 911     ok(status == Ok, "status %08x\n", status);
 912     status = GdipCombineRegionRect(region, &test_rect2F, CombineModeUnion);
 913     ok(status == Ok, "status %08x\n", status);
 914     status = GdipGetRegionHRgn(region, NULL, &hrgn);
 915     ok(status == Ok, "status %08x\n", status);
 916     verify_region(hrgn, &test_rect3);
 917     DeleteObject(hrgn);
 918
 919     status = GdipCombineRegionRect(region, &test_rect3F, CombineModeReplace);
 920     ok(status == Ok, "status %08x\n", status);
 921     status = GdipCombineRegionRect(region, &test_rect2F, CombineModeXor);
 922     ok(status == Ok, "status %08x\n", status);
 923     status = GdipGetRegionHRgn(region, NULL, &hrgn);
 924     ok(status == Ok, "status %08x\n", status);
 925     verify_region(hrgn, &test_rect);
 926     DeleteObject(hrgn);
 927
 928     status = GdipCombineRegionRect(region, &test_rect3F, CombineModeReplace);
 929     ok(status == Ok, "status %08x\n", status);
 930     status = GdipCombineRegionRect(region, &test_rectF, CombineModeExclude);
 931     ok(status == Ok, "status %08x\n", status);
 932     status = GdipGetRegionHRgn(region, NULL, &hrgn);
 933     ok(status == Ok, "status %08x\n", status);
 934     verify_region(hrgn, &test_rect2);
 935     DeleteObject(hrgn);
 936
 937     status = GdipCombineRegionRect(region, &test_rectF, CombineModeReplace);
 938     ok(status == Ok, "status %08x\n", status);
 939     status = GdipCombineRegionRect(region, &test_rect3F, CombineModeComplement);
 940     ok(status == Ok, "status %08x\n", status);
 941     status = GdipGetRegionHRgn(region, NULL, &hrgn);
 942     ok(status == Ok, "status %08x\n", status);
 943     verify_region(hrgn, &test_rect2);
 944     DeleteObject(hrgn);
 945
 946     status = GdipDeletePath(path);
 947     ok(status == Ok, "status %08x\n", status);
 948     status = GdipDeleteRegion(region);
 949     ok(status == Ok, "status %08x\n", status);
 950     status = GdipDeleteRegion(region2);
 951     ok(status == Ok, "status %08x\n", status);
 952     status = GdipDeleteGraphics(graphics);
 953     ok(status == Ok, "status %08x\n", status);
 954     ReleaseDC(0, hdc);
 955 }
 956
 957 static void test_isequal(void)
 958 {
 959     GpRegion *region1, *region2;
 960     GpGraphics *graphics;
 961     GpRectF rectf;
 962     GpStatus status;
 963     HDC hdc = GetDC(0);
 964     BOOL res;
 965
 966     status = GdipCreateFromHDC(hdc, &graphics);
 967     ok(status == Ok, "status %08x\n", status);
 968
 969     status = GdipCreateRegion(&region1);
 970     ok(status == Ok, "status %08x\n", status);
 971     status = GdipCreateRegion(&region2);
 972     ok(status == Ok, "status %08x\n", status);
 973
 974     /* NULL */
 975     status = GdipIsEqualRegion(NULL, NULL, NULL, NULL);
 976     ok(status == InvalidParameter, "status %08x\n", status);
 977     status = GdipIsEqualRegion(region1, region2, NULL, NULL);
 978     ok(status == InvalidParameter, "status %08x\n", status);
 979     status = GdipIsEqualRegion(region1, region2, graphics, NULL);
 980     ok(status == InvalidParameter, "status %08x\n", status);
 981     status = GdipIsEqualRegion(region1, region2, NULL, &res);
 982     ok(status == InvalidParameter, "status %08x\n", status);
 983
 984     /* infinite regions */
 985     res = FALSE;
 986     status = GdipIsEqualRegion(region1, region2, graphics, &res);
 987     ok(status == Ok, "status %08x\n", status);
 988     ok(res, "Expected to be equal.\n");
 989     /* empty regions */
 990     status = GdipSetEmpty(region1);
 991     ok(status == Ok, "status %08x\n", status);
 992     status = GdipSetEmpty(region2);
 993     ok(status == Ok, "status %08x\n", status);
 994     res = FALSE;
 995     status = GdipIsEqualRegion(region1, region2, graphics, &res);
 996     ok(status == Ok, "status %08x\n", status);
 997     ok(res, "Expected to be equal.\n");
 998     /* empty & infinite */
 999     status = GdipSetInfinite(region1);
1000     ok(status == Ok, "status %08x\n", status);
1001     res = TRUE;
1002     status = GdipIsEqualRegion(region1, region2, graphics, &res);
1003     ok(status == Ok, "status %08x\n", status);
1004     ok(!res, "Expected to be unequal.\n");
1005     /* rect & (inf/empty) */
1006     rectf.X = rectf.Y = 0.0;
1007     rectf.Width = rectf.Height = 100.0;
1008     status = GdipCombineRegionRect(region1, &rectf, CombineModeReplace);
1009     ok(status == Ok, "status %08x\n", status);
1010     res = TRUE;
1011     status = GdipIsEqualRegion(region1, region2, graphics, &res);
1012     ok(status == Ok, "status %08x\n", status);
1013     ok(!res, "Expected to be unequal.\n");
1014     status = GdipSetInfinite(region2);
1015     ok(status == Ok, "status %08x\n", status);
1016     res = TRUE;
1017     status = GdipIsEqualRegion(region1, region2, graphics, &res);
1018     ok(status == Ok, "status %08x\n", status);
1019     ok(!res, "Expected to be unequal.\n");
1020     /* roughly equal rectangles */
1021     rectf.X = rectf.Y = 0.0;
1022     rectf.Width = rectf.Height = 100.001;
1023     status = GdipCombineRegionRect(region2, &rectf, CombineModeReplace);
1024     ok(status == Ok, "status %08x\n", status);
1025     res = FALSE;
1026     status = GdipIsEqualRegion(region1, region2, graphics, &res);
1027     ok(status == Ok, "status %08x\n", status);
1028     ok(res, "Expected to be equal.\n");
1029     /* equal rectangles */
1030     rectf.X = rectf.Y = 0.0;
1031     rectf.Width = rectf.Height = 100.0;
1032     status = GdipCombineRegionRect(region2, &rectf, CombineModeReplace);
1033     ok(status == Ok, "status %08x\n", status);
1034     res = FALSE;
1035     status = GdipIsEqualRegion(region1, region2, graphics, &res);
1036     ok(status == Ok, "status %08x\n", status);
1037     ok(res, "Expected to be equal.\n");
1038
1039     /* cleanup */
1040     status = GdipDeleteRegion(region1);
1041     ok(status == Ok, "status %08x\n", status);
1042     status = GdipDeleteRegion(region2);
1043     ok(status == Ok, "status %08x\n", status);
1044     status = GdipDeleteGraphics(graphics);
1045     ok(status == Ok, "status %08x\n", status);
1046     ReleaseDC(0, hdc);
1047 }
1048
1049 static void test_translate(void)
1050 {
1051     GpRegion *region, *region2;
1052     GpGraphics *graphics;
1053     GpPath *path;
1054     GpRectF rectf;
1055     GpStatus status;
1056     HDC hdc = GetDC(0);
1057     BOOL res;
1058
1059     status = GdipCreateFromHDC(hdc, &graphics);
1060     ok(status == Ok, "status %08x\n", status);
1061
1062     status = GdipCreatePath(FillModeAlternate, &path);
1063     ok(status == Ok, "status %08x\n", status);
1064
1065     status = GdipCreateRegion(&region);
1066     ok(status == Ok, "status %08x\n", status);
1067     status = GdipCreateRegion(&region2);
1068     ok(status == Ok, "status %08x\n", status);
1069
1070     /* NULL */
1071     status = GdipTranslateRegion(NULL, 0.0, 0.0);
1072     ok(status == InvalidParameter, "status %08x\n", status);
1073
1074     /* infinite */
1075     status = GdipTranslateRegion(region, 10.0, 10.0);
1076     ok(status == Ok, "status %08x\n", status);
1077     /* empty */
1078     status = GdipSetEmpty(region);
1079     ok(status == Ok, "status %08x\n", status);
1080     status = GdipTranslateRegion(region, 10.0, 10.0);
1081     ok(status == Ok, "status %08x\n", status);
1082     /* rect */
1083     rectf.X = 10.0; rectf.Y = 0.0;
1084     rectf.Width = rectf.Height = 100.0;
1085     status = GdipCombineRegionRect(region, &rectf, CombineModeReplace);
1086     ok(status == Ok, "status %08x\n", status);
1087     rectf.X = 15.0; rectf.Y = -2.0;
1088     rectf.Width = rectf.Height = 100.0;
1089     status = GdipCombineRegionRect(region2, &rectf, CombineModeReplace);
1090     ok(status == Ok, "status %08x\n", status);
1091     status = GdipTranslateRegion(region, 5.0, -2.0);
1092     ok(status == Ok, "status %08x\n", status);
1093     res = FALSE;
1094     status = GdipIsEqualRegion(region, region2, graphics, &res);
1095     ok(status == Ok, "status %08x\n", status);
1096     ok(res, "Expected to be equal.\n");
1097     /* path */
1098     status = GdipAddPathEllipse(path, 0.0, 10.0, 100.0, 150.0);
1099     ok(status == Ok, "status %08x\n", status);
1100     status = GdipCombineRegionPath(region, path, CombineModeReplace);
1101     ok(status == Ok, "status %08x\n", status);
1102     status = GdipResetPath(path);
1103     ok(status == Ok, "status %08x\n", status);
1104     status = GdipAddPathEllipse(path, 10.0, 21.0, 100.0, 150.0);
1105     ok(status == Ok, "status %08x\n", status);
1106     status = GdipCombineRegionPath(region2, path, CombineModeReplace);
1107     ok(status == Ok, "status %08x\n", status);
1108     status = GdipTranslateRegion(region, 10.0, 11.0);
1109     ok(status == Ok, "status %08x\n", status);
1110     res = FALSE;
1111     status = GdipIsEqualRegion(region, region2, graphics, &res);
1112     ok(status == Ok, "status %08x\n", status);
1113     ok(res, "Expected to be equal.\n");
1114
1115     status = GdipDeleteRegion(region);
1116     ok(status == Ok, "status %08x\n", status);
1117     status = GdipDeleteRegion(region2);
1118     ok(status == Ok, "status %08x\n", status);
1119     status = GdipDeleteGraphics(graphics);
1120     ok(status == Ok, "status %08x\n", status);
1121     status = GdipDeletePath(path);
1122     ok(status == Ok, "status %08x\n", status);
1123     ReleaseDC(0, hdc);
1124 }
1125
1126 static void test_getbounds(void)
1127 {
1128     GpRegion *region;
1129     GpGraphics *graphics;
1130     GpStatus status;
1131     GpRectF rectf;
1132     HDC hdc = GetDC(0);
1133
1134     status = GdipCreateFromHDC(hdc, &graphics);
1135     ok(status == Ok, "status %08x\n", status);
1136     status = GdipCreateRegion(&region);
1137     ok(status == Ok, "status %08x\n", status);
1138
1139     /* NULL */
1140     status = GdipGetRegionBounds(NULL, NULL, NULL);
1141     ok(status == InvalidParameter, "status %08x\n", status);
1142     status = GdipGetRegionBounds(region, NULL, NULL);
1143     ok(status == InvalidParameter, "status %08x\n", status);
1144     status = GdipGetRegionBounds(region, graphics, NULL);
1145     ok(status == InvalidParameter, "status %08x\n", status);
1146     /* infinite */
1147     rectf.X = rectf.Y = 0.0;
1148     rectf.Height = rectf.Width = 100.0;
1149     status = GdipGetRegionBounds(region, graphics, &rectf);
1150     ok(status == Ok, "status %08x\n", status);
1151     ok(rectf.X == -(REAL)(1 << 22), "Expected X = %.2f, got %.2f\n", -(REAL)(1 << 22), rectf.X);
1152     ok(rectf.Y == -(REAL)(1 << 22), "Expected Y = %.2f, got %.2f\n", -(REAL)(1 << 22), rectf.Y);
1153     ok(rectf.Width  == (REAL)(1 << 23), "Expected width = %.2f, got %.2f\n", (REAL)(1 << 23), rectf.Width);
1154     ok(rectf.Height == (REAL)(1 << 23), "Expected height = %.2f, got %.2f\n",(REAL)(1 << 23), rectf.Height);
1155     /* empty */
1156     rectf.X = rectf.Y = 0.0;
1157     rectf.Height = rectf.Width = 100.0;
1158     status = GdipSetEmpty(region);
1159     ok(status == Ok, "status %08x\n", status);
1160     status = GdipGetRegionBounds(region, graphics, &rectf);
1161     ok(status == Ok, "status %08x\n", status);
1162     ok(rectf.X == 0.0, "Expected X = 0.0, got %.2f\n", rectf.X);
1163     ok(rectf.Y == 0.0, "Expected Y = 0.0, got %.2f\n", rectf.Y);
1164     ok(rectf.Width  == 0.0, "Expected width = 0.0, got %.2f\n", rectf.Width);
1165     ok(rectf.Height == 0.0, "Expected height = 0.0, got %.2f\n", rectf.Height);
1166     /* rect */
1167     rectf.X = 10.0; rectf.Y = 0.0;
1168     rectf.Width = rectf.Height = 100.0;
1169     status = GdipCombineRegionRect(region, &rectf, CombineModeReplace);
1170     ok(status == Ok, "status %08x\n", status);
1171     rectf.X = rectf.Y = 0.0;
1172     rectf.Height = rectf.Width = 0.0;
1173     status = GdipGetRegionBounds(region, graphics, &rectf);
1174     ok(status == Ok, "status %08x\n", status);
1175     ok(rectf.X == 10.0, "Expected X = 0.0, got %.2f\n", rectf.X);
1176     ok(rectf.Y == 0.0, "Expected Y = 0.0, got %.2f\n", rectf.Y);
1177     ok(rectf.Width  == 100.0, "Expected width = 0.0, got %.2f\n", rectf.Width);
1178     ok(rectf.Height == 100.0, "Expected height = 0.0, got %.2f\n", rectf.Height);
1179
1180     /* the world and page transforms are ignored */
1181     GdipScaleWorldTransform(graphics, 2.0, 2.0, MatrixOrderPrepend);
1182     GdipSetPageUnit(graphics, UnitInch);
1183     GdipSetPageScale(graphics, 2.0);
1184     status = GdipGetRegionBounds(region, graphics, &rectf);
1185     ok(status == Ok, "status %08x\n", status);
1186     ok(rectf.X == 10.0, "Expected X = 0.0, got %.2f\n", rectf.X);
1187     ok(rectf.Y == 0.0, "Expected Y = 0.0, got %.2f\n", rectf.Y);
1188     ok(rectf.Width  == 100.0, "Expected width = 0.0, got %.2f\n", rectf.Width);
1189
1190     rectf.X = 10.0; rectf.Y = 0.0;
1191     rectf.Width = rectf.Height = 100.0;
1192     status = GdipCombineRegionRect(region, &rectf, CombineModeReplace);
1193     ok(status == Ok, "status %08x\n", status);
1194     rectf.X = rectf.Y = 0.0;
1195     rectf.Height = rectf.Width = 0.0;
1196     status = GdipGetRegionBounds(region, graphics, &rectf);
1197     ok(status == Ok, "status %08x\n", status);
1198     ok(rectf.X == 10.0, "Expected X = 0.0, got %.2f\n", rectf.X);
1199     ok(rectf.Y == 0.0, "Expected Y = 0.0, got %.2f\n", rectf.Y);
1200     ok(rectf.Width  == 100.0, "Expected width = 0.0, got %.2f\n", rectf.Width);
1201     ok(rectf.Height == 100.0, "Expected height = 0.0, got %.2f\n", rectf.Height);
1202
1203     status = GdipDeleteRegion(region);
1204     ok(status == Ok, "status %08x\n", status);
1205     status = GdipDeleteGraphics(graphics);
1206     ok(status == Ok, "status %08x\n", status);
1207     ReleaseDC(0, hdc);
1208 }
1209
1210 static void test_isvisiblepoint(void)
1211 {
1212     HDC hdc = GetDC(0);
1213     GpGraphics* graphics;
1214     GpRegion* region;
1215     GpPath* path;
1216     GpRectF rectf;
1217     GpStatus status;
1218     BOOL res;
1219     REAL x, y;
1220
1221     status = GdipCreateFromHDC(hdc, &graphics);
1222     expect(Ok, status);
1223
1224     status = GdipCreateRegion(&region);
1225     expect(Ok, status);
1226
1227     /* null parameters */
1228     status = GdipIsVisibleRegionPoint(NULL, 0, 0, graphics, &res);
1229     expect(InvalidParameter, status);
1230     status = GdipIsVisibleRegionPointI(NULL, 0, 0, graphics, &res);
1231     expect(InvalidParameter, status);
1232
1233     status = GdipIsVisibleRegionPoint(region, 0, 0, NULL, &res);
1234     expect(Ok, status);
1235     status = GdipIsVisibleRegionPointI(region, 0, 0, NULL, &res);
1236     expect(Ok, status);
1237
1238     status = GdipIsVisibleRegionPoint(region, 0, 0, graphics, NULL);
1239     expect(InvalidParameter, status);
1240     status = GdipIsVisibleRegionPointI(region, 0, 0, graphics, NULL);
1241     expect(InvalidParameter, status);
1242
1243     /* infinite region */
1244     status = GdipIsInfiniteRegion(region, graphics, &res);
1245     expect(Ok, status);
1246     ok(res == TRUE, "Region should be infinite\n");
1247
1248     x = 10;
1249     y = 10;
1250     status = GdipIsVisibleRegionPoint(region, x, y, graphics, &res);
1251     expect(Ok, status);
1252     ok(res == TRUE, "Expected (%.2f, %.2f) to be visible\n", x, y);
1253     status = GdipIsVisibleRegionPointI(region, (INT)x, (INT)y, graphics, &res);
1254     expect(Ok, status);
1255     ok(res == TRUE, "Expected (%d, %d) to be visible\n", (INT)x, (INT)y);
1256
1257     x = -10;
1258     y = -10;
1259     status = GdipIsVisibleRegionPoint(region, x, y, graphics, &res);
1260     expect(Ok, status);
1261     ok(res == TRUE, "Expected (%.2f, %.2f) to be visible\n", x, y);
1262     status = GdipIsVisibleRegionPointI(region, (INT)x, (INT)y, graphics, &res);
1263     expect(Ok, status);
1264     ok(res == TRUE, "Expected (%d, %d) to be visible\n", (INT)x, (INT)y);
1265
1266     /* rectangular region */
1267     rectf.X = 10;
1268     rectf.Y = 20;
1269     rectf.Width = 30;
1270     rectf.Height = 40;
1271
1272     status = GdipCombineRegionRect(region, &rectf, CombineModeReplace);
1273     expect(Ok, status);
1274
1275     x = 0;
1276     y = 0;
1277     status = GdipIsVisibleRegionPoint(region, x, y, graphics, &res);
1278     expect(Ok, status);
1279     ok(res == FALSE, "Expected (%.2f, %.2f) not to be visible\n", x, y);
1280     status = GdipIsVisibleRegionPointI(region, (INT)x, (INT)y, graphics, &res);
1281     expect(Ok, status);
1282     ok(res == FALSE, "Expected (%d, %d) not to be visible\n", (INT)x, (INT)y);
1283
1284     x = 9;
1285     y = 19;
1286     status = GdipIsVisibleRegionPoint(region, x, y, graphics, &res);
1287     expect(Ok, status);
1288     ok(res == FALSE, "Expected (%.2f, %.2f) to be visible\n", x, y);
1289
1290     x = 9.25;
1291     y = 19.25;
1292     status = GdipIsVisibleRegionPoint(region, x, y, graphics, &res);
1293     expect(Ok, status);
1294     ok(res == FALSE, "Expected (%.2f, %.2f) to be visible\n", x, y);
1295
1296     x = 9.5;
1297     y = 19.5;
1298     status = GdipIsVisibleRegionPoint(region, x, y, graphics, &res);
1299     expect(Ok, status);
1300     ok(res == TRUE, "Expected (%.2f, %.2f) to be visible\n", x, y);
1301
1302     x = 9.75;
1303     y = 19.75;
1304     status = GdipIsVisibleRegionPoint(region, x, y, graphics, &res);
1305     expect(Ok, status);
1306     ok(res == TRUE, "Expected (%.2f, %.2f) to be visible\n", x, y);
1307
1308     x = 10;
1309     y = 20;
1310     status = GdipIsVisibleRegionPoint(region, x, y, graphics, &res);
1311     expect(Ok, status);
1312     ok(res == TRUE, "Expected (%.2f, %.2f) to be visible\n", x, y);
1313
1314     x = 25;
1315     y = 40;
1316     status = GdipIsVisibleRegionPoint(region, x, y, graphics, &res);
1317     expect(Ok, status);
1318     ok(res == TRUE, "Expected (%.2f, %.2f) to be visible\n", x, y);
1319     status = GdipIsVisibleRegionPointI(region, (INT)x, (INT)y, graphics, &res);
1320     expect(Ok, status);
1321     ok(res == TRUE, "Expected (%d, %d) to be visible\n", (INT)x, (INT)y);
1322
1323     x = 40;
1324     y = 60;
1325     status = GdipIsVisibleRegionPoint(region, x, y, graphics, &res);
1326     expect(Ok, status);
1327     ok(res == FALSE, "Expected (%.2f, %.2f) not to be visible\n", x, y);
1328     status = GdipIsVisibleRegionPointI(region, (INT)x, (INT)y, graphics, &res);
1329     expect(Ok, status);
1330     ok(res == FALSE, "Expected (%d, %d) not to be visible\n", (INT)x, (INT)y);
1331
1332     /* translate into the center of the rectangle */
1333     status = GdipTranslateWorldTransform(graphics, 25, 40, MatrixOrderAppend);
1334     expect(Ok, status);
1335
1336     /* native ignores the world transform, so treat these as if
1337      * no transform exists */
1338     x = -20;
1339     y = -30;
1340     status = GdipIsVisibleRegionPoint(region, x, y, graphics, &res);
1341     expect(Ok, status);
1342     ok(res == FALSE, "Expected (%.2f, %.2f) not to be visible\n", x, y);
1343     status = GdipIsVisibleRegionPointI(region, (INT)x, (INT)y, graphics, &res);
1344     expect(Ok, status);
1345     ok(res == FALSE, "Expected (%d, %d) not to be visible\n", (INT)x, (INT)y);
1346
1347     x = 0;
1348     y = 0;
1349     status = GdipIsVisibleRegionPoint(region, x, y, graphics, &res);
1350     expect(Ok, status);
1351     ok(res == FALSE, "Expected (%.2f, %.2f) not to be visible\n", x, y);
1352     status = GdipIsVisibleRegionPointI(region, (INT)x, (INT)y, graphics, &res);
1353     expect(Ok, status);
1354     ok(res == FALSE, "Expected (%d, %d) not to be visible\n", (INT)x, (INT)y);
1355
1356     x = 25;
1357     y = 40;
1358     status = GdipIsVisibleRegionPoint(region, x, y, graphics, &res);
1359     expect(Ok, status);
1360     ok(res == TRUE, "Expected (%.2f, %.2f) to be visible\n", x, y);
1361     status = GdipIsVisibleRegionPointI(region, (INT)x, (INT)y, graphics, &res);
1362     expect(Ok, status);
1363     ok(res == TRUE, "Expected (%d, %d) to be visible\n", (INT)x, (INT)y);
1364
1365     /* translate back to origin */
1366     status = GdipTranslateWorldTransform(graphics, -25, -40, MatrixOrderAppend);
1367     expect(Ok, status);
1368
1369     /* region from path */
1370     status = GdipCreatePath(FillModeAlternate, &path);
1371     expect(Ok, status);
1372
1373     status = GdipAddPathEllipse(path, 10, 20, 30, 40);
1374     expect(Ok, status);
1375
1376     status = GdipCombineRegionPath(region, path, CombineModeReplace);
1377     expect(Ok, status);
1378
1379     x = 11;
1380     y = 21;
1381     status = GdipIsVisibleRegionPoint(region, x, y, graphics, &res);
1382     expect(Ok, status);
1383     ok(res == FALSE, "Expected (%.2f, %.2f) not to be visible\n", x, y);
1384     status = GdipIsVisibleRegionPointI(region, (INT)x, (INT)y, graphics, &res);
1385     expect(Ok, status);
1386     ok(res == FALSE, "Expected (%d, %d) not to be visible\n", (INT)x, (INT)y);
1387
1388     x = 25;
1389     y = 40;
1390     status = GdipIsVisibleRegionPoint(region, x, y, graphics, &res);
1391     expect(Ok, status);
1392     ok(res == TRUE, "Expected (%.2f, %.2f) to be visible\n", x, y);
1393     status = GdipIsVisibleRegionPointI(region, (INT)x, (INT)y, graphics, &res);
1394     expect(Ok, status);
1395     ok(res == TRUE, "Expected (%d, %d) to be visible\n", (INT)x, (INT)y);
1396
1397     x = 40;
1398     y = 60;
1399     status = GdipIsVisibleRegionPoint(region, x, y, graphics, &res);
1400     expect(Ok, status);
1401     ok(res == FALSE, "Expected (%.2f, %.2f) not to be visible\n", x, y);
1402     status = GdipIsVisibleRegionPointI(region, (INT)x, (INT)y, graphics, &res);
1403     expect(Ok, status);
1404     ok(res == FALSE, "Expected (%d, %d) not to be visible\n", (INT)x, (INT)y);
1405
1406     GdipDeletePath(path);
1407
1408     GdipDeleteRegion(region);
1409     GdipDeleteGraphics(graphics);
1410     ReleaseDC(0, hdc);
1411 }
1412
1413 static void test_isvisiblerect(void)
1414 {
1415     HDC hdc = GetDC(0);
1416     GpGraphics* graphics;
1417     GpRegion* region;
1418     GpPath* path;
1419     GpRectF rectf;
1420     GpStatus status;
1421     BOOL res;
1422     REAL x, y, w, h;
1423
1424     status = GdipCreateFromHDC(hdc, &graphics);
1425     expect(Ok, status);
1426
1427     status = GdipCreateRegion(&region);
1428     expect(Ok, status);
1429
1430     /* null parameters */
1431     status = GdipIsVisibleRegionRect(NULL, 0, 0, 0, 0, graphics, &res);
1432     expect(InvalidParameter, status);
1433     status = GdipIsVisibleRegionRectI(NULL, 0, 0, 0, 0, graphics, &res);
1434     expect(InvalidParameter, status);
1435
1436     status = GdipIsVisibleRegionRect(region, 0, 0, 0, 0, NULL, &res);
1437     expect(Ok, status);
1438     status = GdipIsVisibleRegionRectI(region, 0, 0, 0, 0, NULL, &res);
1439     expect(Ok, status);
1440
1441     status = GdipIsVisibleRegionRect(region, 0, 0, 0, 0, graphics, NULL);
1442     expect(InvalidParameter, status);
1443     status = GdipIsVisibleRegionRectI(region, 0, 0, 0, 0, graphics, NULL);
1444     expect(InvalidParameter, status);
1445
1446     /* infinite region */
1447     status = GdipIsInfiniteRegion(region, graphics, &res);
1448     expect(Ok, status);
1449     ok(res == TRUE, "Region should be infinite\n");
1450
1451     x = 10; w = 10;
1452     y = 10; h = 10;
1453     status = GdipIsVisibleRegionRect(region, x, y, w, h, graphics, &res);
1454     expect(Ok, status);
1455     ok(res == TRUE, "Expected (%.2f, %.2f, %.2f, %.2f) to be visible\n", x, y, w, h);
1456
1457     x = -10; w = 5;
1458     y = -10; h = 5;
1459     status = GdipIsVisibleRegionRect(region, x, y, w, h, graphics, &res);
1460     expect(Ok, status);
1461     ok(res == TRUE, "Expected (%.2f, %.2f, %.2f, %.2f) to be visible\n", x, y, w, h);
1462
1463     /* rectangular region */
1464     rectf.X = 10;
1465     rectf.Y = 20;
1466     rectf.Width = 30;
1467     rectf.Height = 40;
1468
1469     status = GdipCombineRegionRect(region, &rectf, CombineModeIntersect);
1470     expect(Ok, status);
1471
1472     /* entirely within the region */
1473     x = 11; w = 10;
1474     y = 12; h = 10;
1475     status = GdipIsVisibleRegionRect(region, x, y, w, h, graphics, &res);
1476     expect(Ok, status);
1477     ok(res == TRUE, "Expected (%.2f, %.2f, %.2f, %.2f) to be visible\n", x, y, w, h);
1478     status = GdipIsVisibleRegionRectI(region, (INT)x, (INT)y, (INT)w, (INT)h, graphics, &res);
1479     expect(Ok, status);
1480     ok(res == TRUE, "Expected (%d, %d, %d, %d) to be visible\n", (INT)x, (INT)y, (INT)w, (INT)h);
1481
1482     /* entirely outside of the region */
1483     x = 0; w = 5;
1484     y = 0; h = 5;
1485     status = GdipIsVisibleRegionRect(region, x, y, w, h, graphics, &res);
1486     expect(Ok, status);
1487     ok(res == FALSE, "Expected (%.2f, %.2f, %.2f, %.2f) not to be visible\n", x, y, w, h);
1488     status = GdipIsVisibleRegionRectI(region, (INT)x, (INT)y, (INT)w, (INT)h, graphics, &res);
1489     expect(Ok, status);
1490     ok(res == FALSE, "Expected (%d, %d, %d, %d) not to be visible\n", (INT)x, (INT)y, (INT)w, (INT)h);
1491
1492     /* corner cases */
1493     x = 0; w = 10;
1494     y = 0; h = 20;
1495     status = GdipIsVisibleRegionRect(region, x, y, w, h, graphics, &res);
1496     expect(Ok, status);
1497     ok(res == FALSE, "Expected (%.2f, %.2f, %.2f, %.2f) not to be visible\n", x, y, w, h);
1498
1499     x = 0; w = 10.25;
1500     y = 0; h = 20.25;
1501     status = GdipIsVisibleRegionRect(region, x, y, w, h, graphics, &res);
1502     expect(Ok, status);
1503     ok(res == TRUE, "Expected (%.2f, %.2f, %.2f, %.2f) to be visible\n", x, y, w, h);
1504
1505     x = 39; w = 10;
1506     y = 59; h = 10;
1507     status = GdipIsVisibleRegionRect(region, x, y, w, h, graphics, &res);
1508     expect(Ok, status);
1509     ok(res == TRUE, "Expected (%.2f, %.2f, %.2f, %.2f) to be visible\n", x, y, w, h);
1510
1511     x = 39.25; w = 10;
1512     y = 59.25; h = 10;
1513     status = GdipIsVisibleRegionRect(region, x, y, w, h, graphics, &res);
1514     expect(Ok, status);
1515     ok(res == FALSE, "Expected (%.2f, %.2f, %.2f, %.2f) not to be visible\n", x, y, w, h);
1516
1517     /* corners outside, but some intersection */
1518     x = 0; w = 100;
1519     y = 0; h = 100;
1520     status = GdipIsVisibleRegionRect(region, x, y, w, h, graphics, &res);
1521     expect(Ok, status);
1522     ok(res == TRUE, "Expected (%.2f, %.2f, %.2f, %.2f) to be visible\n", x, y, w, h);
1523
1524     x = 0; w = 100;
1525     y = 0; h = 40;
1526     status = GdipIsVisibleRegionRect(region, x, y, w, h, graphics, &res);
1527     expect(Ok, status);
1528     ok(res == TRUE, "Expected (%.2f, %.2f, %.2f, %.2f) to be visible\n", x, y, w, h);
1529
1530     x = 0; w = 25;
1531     y = 0; h = 100;
1532     status = GdipIsVisibleRegionRect(region, x, y, w, h, graphics, &res);
1533     expect(Ok, status);
1534     ok(res == TRUE, "Expected (%.2f, %.2f, %.2f, %.2f) to be visible\n", x, y, w, h);
1535
1536     /* translate into the center of the rectangle */
1537     status = GdipTranslateWorldTransform(graphics, 25, 40, MatrixOrderAppend);
1538     expect(Ok, status);
1539
1540     /* native ignores the world transform, so treat these as if
1541      * no transform exists */
1542     x = 0; w = 5;
1543     y = 0; h = 5;
1544     status = GdipIsVisibleRegionRect(region, x, y, w, h, graphics, &res);
1545     expect(Ok, status);
1546     ok(res == FALSE, "Expected (%.2f, %.2f, %.2f, %.2f) not to be visible\n", x, y, w, h);
1547     status = GdipIsVisibleRegionRectI(region, (INT)x, (INT)y, (INT)w, (INT)h, graphics, &res);
1548     expect(Ok, status);
1549     ok(res == FALSE, "Expected (%d, %d, %d, %d) not to be visible\n", (INT)x, (INT)y, (INT)w, (INT)h);
1550
1551     x = 11; w = 10;
1552     y = 12; h = 10;
1553     status = GdipIsVisibleRegionRect(region, x, y, w, h, graphics, &res);
1554     expect(Ok, status);
1555     ok(res == TRUE, "Expected (%.2f, %.2f, %.2f, %.2f) to be visible\n", x, y, w, h);
1556     status = GdipIsVisibleRegionRectI(region, (INT)x, (INT)y, (INT)w, (INT)h, graphics, &res);
1557     expect(Ok, status);
1558     ok(res == TRUE, "Expected (%d, %d, %d, %d) to be visible\n", (INT)x, (INT)y, (INT)w, (INT)h);
1559
1560     /* translate back to origin */
1561     status = GdipTranslateWorldTransform(graphics, -25, -40, MatrixOrderAppend);
1562     expect(Ok, status);
1563
1564     /* region from path */
1565     status = GdipCreatePath(FillModeAlternate, &path);
1566     expect(Ok, status);
1567
1568     status = GdipAddPathEllipse(path, 10, 20, 30, 40);
1569     expect(Ok, status);
1570
1571     status = GdipCombineRegionPath(region, path, CombineModeReplace);
1572     expect(Ok, status);
1573
1574     x = 0; w = 12;
1575     y = 0; h = 22;
1576     status = GdipIsVisibleRegionRect(region, x, y, w, h, graphics, &res);
1577     expect(Ok, status);
1578     ok(res == FALSE, "Expected (%.2f, %.2f, %.2f, %.2f) not to be visible\n", x, y, w, h);
1579     status = GdipIsVisibleRegionRectI(region, (INT)x, (INT)y, (INT)w, (INT)h, graphics, &res);
1580     expect(Ok, status);
1581     ok(res == FALSE, "Expected (%d, %d, %d, %d) not to be visible\n", (INT)x, (INT)y, (INT)w, (INT)h);
1582
1583     x = 0; w = 25;
1584     y = 0; h = 40;
1585     status = GdipIsVisibleRegionRect(region, x, y, w, h, graphics, &res);
1586     expect(Ok, status);
1587     ok(res == TRUE, "Expected (%.2f, %.2f, %.2f, %.2f) to be visible\n", x, y, w, h);
1588     status = GdipIsVisibleRegionRectI(region, (INT)x, (INT)y, (INT)w, (INT)h, graphics, &res);
1589     expect(Ok, status);
1590     ok(res == TRUE, "Expected (%d, %d, %d, %d) to be visible\n", (INT)x, (INT)y, (INT)w, (INT)h);
1591
1592     x = 38; w = 10;
1593     y = 55; h = 10;
1594     status = GdipIsVisibleRegionRect(region, x, y, w, h, graphics, &res);
1595     expect(Ok, status);
1596     ok(res == FALSE, "Expected (%.2f, %.2f, %.2f, %.2f) not to be visible\n", x, y, w, h);
1597     status = GdipIsVisibleRegionRectI(region, (INT)x, (INT)y, (INT)w, (INT)h, graphics, &res);
1598     expect(Ok, status);
1599     ok(res == FALSE, "Expected (%d, %d, %d, %d) not to be visible\n", (INT)x, (INT)y, (INT)w, (INT)h);
1600
1601     x = 0; w = 100;
1602     y = 0; h = 100;
1603     status = GdipIsVisibleRegionRect(region, x, y, w, h, graphics, &res);
1604     expect(Ok, status);
1605     ok(res == TRUE, "Expected (%.2f, %.2f, %.2f, %.2f) to be visible\n", x, y, w, h);
1606     status = GdipIsVisibleRegionRectI(region, (INT)x, (INT)y, (INT)w, (INT)h, graphics, &res);
1607     expect(Ok, status);
1608     ok(res == TRUE, "Expected (%d, %d, %d, %d) to be visible\n", (INT)x, (INT)y, (INT)w, (INT)h);
1609
1610     GdipDeletePath(path);
1611
1612     GdipDeleteRegion(region);
1613     GdipDeleteGraphics(graphics);
1614     ReleaseDC(0, hdc);
1615 }
1616
1617 START_TEST(region)
1618 {
1619     struct GdiplusStartupInput gdiplusStartupInput;
1620     ULONG_PTR gdiplusToken;
1621
1622     gdiplusStartupInput.GdiplusVersion              = 1;
1623     gdiplusStartupInput.DebugEventCallback          = NULL;
1624     gdiplusStartupInput.SuppressBackgroundThread    = 0;
1625     gdiplusStartupInput.SuppressExternalCodecs      = 0;
1626
1627     GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL);
1628
1629     test_getregiondata();
1630     test_isinfinite();
1631     test_isempty();
1632     test_combinereplace();
1633     test_fromhrgn();
1634     test_gethrgn();
1635     test_isequal();
1636     test_translate();
1637     test_getbounds();
1638     test_isvisiblepoint();
1639     test_isvisiblerect();
1640
1641     GdiplusShutdown(gdiplusToken);
1642 }