dlls/gdi32/tests/path.c

   1 /*
   2  * Unit test suite for paths
   3  *
   4  * Copyright 2007 Laurent Vromman
   5  * Copyright 2007 Misha Koshelev
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include <stdarg.h>
  23 #include <stdio.h>
  24 #include <assert.h>
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "wingdi.h"
  28
  29 #include "wine/test.h"
  30
  31 #include "winuser.h"
  32 #include "winerror.h"
  33
  34 #define expect(expected, got) ok(got == expected, "Expected %.8x, got %.8x\n", expected, got)
  35
  36 static void test_path_state(void)
  37 {
  38     BYTE buffer[sizeof(BITMAPINFO) + 256 * sizeof(RGBQUAD)];
  39     BITMAPINFO *bi = (BITMAPINFO *)buffer;
  40     HDC hdc;
  41     HBITMAP orig, dib;
  42     void *bits;
  43     BOOL ret;
  44
  45     hdc = CreateCompatibleDC( 0 );
  46     memset( buffer, 0, sizeof(buffer) );
  47     bi->bmiHeader.biSize = sizeof(bi->bmiHeader);
  48     bi->bmiHeader.biHeight = 256;
  49     bi->bmiHeader.biWidth = 256;
  50     bi->bmiHeader.biBitCount = 32;
  51     bi->bmiHeader.biPlanes = 1;
  52     bi->bmiHeader.biCompression = BI_RGB;
  53     dib = CreateDIBSection( 0, bi, DIB_RGB_COLORS, (void**)&bits, NULL, 0 );
  54     orig = SelectObject( hdc, dib );
  55
  56     BeginPath( hdc );
  57     LineTo( hdc, 100, 100 );
  58     ret = WidenPath( hdc );
  59     ok( !ret, "WidenPath succeeded\n" );
  60
  61     /* selecting another bitmap doesn't affect the path */
  62     SelectObject( hdc, orig );
  63     ret = WidenPath( hdc );
  64     ok( !ret, "WidenPath succeeded\n" );
  65
  66     SelectObject( hdc, dib );
  67     ret = WidenPath( hdc );
  68     ok( !ret, "WidenPath succeeded\n" );
  69
  70     ret = EndPath( hdc );
  71     ok( ret, "EndPath failed error %u\n", GetLastError() );
  72     ret = WidenPath( hdc );
  73     ok( ret, "WidenPath failed error %u\n", GetLastError() );
  74
  75     SelectObject( hdc, orig );
  76     ret = WidenPath( hdc );
  77     ok( ret, "WidenPath failed error %u\n", GetLastError() );
  78
  79     BeginPath( hdc );
  80     LineTo( hdc, 100, 100 );
  81     ret = WidenPath( hdc );
  82     ok( !ret, "WidenPath succeeded\n" );
  83     SaveDC( hdc );
  84     SelectObject( hdc, dib );
  85     ret = EndPath( hdc );
  86     ok( ret, "EndPath failed error %u\n", GetLastError() );
  87     ret = WidenPath( hdc );
  88     ok( ret, "WidenPath failed error %u\n", GetLastError() );
  89
  90     /* path should be open again after RestoreDC */
  91     RestoreDC( hdc, -1  );
  92     ret = WidenPath( hdc );
  93     ok( !ret, "WidenPath succeeded\n" );
  94     ret = EndPath( hdc );
  95     ok( ret, "EndPath failed error %u\n", GetLastError() );
  96
  97     SaveDC( hdc );
  98     BeginPath( hdc );
  99     RestoreDC( hdc, -1  );
 100     ret = WidenPath( hdc );
 101     ok( ret, "WidenPath failed error %u\n", GetLastError() );
 102
 103     /* test all functions with no path at all */
 104     AbortPath( hdc );
 105     SetLastError( 0xdeadbeef );
 106     ret = WidenPath( hdc );
 107     ok( !ret, "WidenPath succeeded\n" );
 108     ok( GetLastError() == ERROR_CAN_NOT_COMPLETE || broken(GetLastError() == 0xdeadbeef),
 109         "wrong error %u\n", GetLastError() );
 110
 111     SetLastError( 0xdeadbeef );
 112     ret = FlattenPath( hdc );
 113     ok( !ret, "FlattenPath succeeded\n" );
 114     ok( GetLastError() == ERROR_CAN_NOT_COMPLETE || broken(GetLastError() == 0xdeadbeef),
 115         "wrong error %u\n", GetLastError() );
 116
 117     SetLastError( 0xdeadbeef );
 118     ret = StrokePath( hdc );
 119     ok( !ret, "StrokePath succeeded\n" );
 120     ok( GetLastError() == ERROR_CAN_NOT_COMPLETE || broken(GetLastError() == 0xdeadbeef),
 121         "wrong error %u\n", GetLastError() );
 122
 123     SetLastError( 0xdeadbeef );
 124     ret = FillPath( hdc );
 125     ok( !ret, "FillPath succeeded\n" );
 126     ok( GetLastError() == ERROR_CAN_NOT_COMPLETE || broken(GetLastError() == 0xdeadbeef),
 127         "wrong error %u\n", GetLastError() );
 128
 129     SetLastError( 0xdeadbeef );
 130     ret = StrokeAndFillPath( hdc );
 131     ok( !ret, "StrokeAndFillPath succeeded\n" );
 132     ok( GetLastError() == ERROR_CAN_NOT_COMPLETE || broken(GetLastError() == 0xdeadbeef),
 133         "wrong error %u\n", GetLastError() );
 134
 135     SetLastError( 0xdeadbeef );
 136     ret = SelectClipPath( hdc, RGN_OR );
 137     ok( !ret, "SelectClipPath succeeded\n" );
 138     ok( GetLastError() == ERROR_CAN_NOT_COMPLETE || broken(GetLastError() == 0xdeadbeef),
 139         "wrong error %u\n", GetLastError() );
 140
 141     SetLastError( 0xdeadbeef );
 142     ret = EndPath( hdc );
 143     ok( !ret, "SelectClipPath succeeded\n" );
 144     ok( GetLastError() == ERROR_CAN_NOT_COMPLETE || broken(GetLastError() == 0xdeadbeef),
 145         "wrong error %u\n", GetLastError() );
 146
 147     SetLastError( 0xdeadbeef );
 148     ret = CloseFigure( hdc );
 149     ok( !ret, "CloseFigure succeeded\n" );
 150     ok( GetLastError() == ERROR_CAN_NOT_COMPLETE || broken(GetLastError() == 0xdeadbeef),
 151         "wrong error %u\n", GetLastError() );
 152
 153     /* test all functions with an open path */
 154     AbortPath( hdc );
 155     BeginPath( hdc );
 156     SetLastError( 0xdeadbeef );
 157     ret = WidenPath( hdc );
 158     ok( !ret, "WidenPath succeeded\n" );
 159     ok( GetLastError() == ERROR_CAN_NOT_COMPLETE || broken(GetLastError() == 0xdeadbeef),
 160         "wrong error %u\n", GetLastError() );
 161
 162     AbortPath( hdc );
 163     BeginPath( hdc );
 164     SetLastError( 0xdeadbeef );
 165     ret = FlattenPath( hdc );
 166     ok( !ret, "FlattenPath succeeded\n" );
 167     ok( GetLastError() == ERROR_CAN_NOT_COMPLETE || broken(GetLastError() == 0xdeadbeef),
 168         "wrong error %u\n", GetLastError() );
 169
 170     AbortPath( hdc );
 171     BeginPath( hdc );
 172     SetLastError( 0xdeadbeef );
 173     ret = StrokePath( hdc );
 174     ok( !ret, "StrokePath succeeded\n" );
 175     ok( GetLastError() == ERROR_CAN_NOT_COMPLETE || broken(GetLastError() == 0xdeadbeef),
 176         "wrong error %u\n", GetLastError() );
 177
 178     AbortPath( hdc );
 179     BeginPath( hdc );
 180     SetLastError( 0xdeadbeef );
 181     ret = FillPath( hdc );
 182     ok( !ret, "FillPath succeeded\n" );
 183     ok( GetLastError() == ERROR_CAN_NOT_COMPLETE || broken(GetLastError() == 0xdeadbeef),
 184         "wrong error %u\n", GetLastError() );
 185
 186     AbortPath( hdc );
 187     BeginPath( hdc );
 188     SetLastError( 0xdeadbeef );
 189     ret = StrokeAndFillPath( hdc );
 190     ok( !ret, "StrokeAndFillPath succeeded\n" );
 191     ok( GetLastError() == ERROR_CAN_NOT_COMPLETE || broken(GetLastError() == 0xdeadbeef),
 192         "wrong error %u\n", GetLastError() );
 193
 194     AbortPath( hdc );
 195     BeginPath( hdc );
 196     Rectangle( hdc, 1, 1, 10, 10 );  /* region needs some contents */
 197     SetLastError( 0xdeadbeef );
 198     ret = SelectClipPath( hdc, RGN_OR );
 199     ok( !ret, "SelectClipPath succeeded\n" );
 200     ok( GetLastError() == ERROR_CAN_NOT_COMPLETE || broken(GetLastError() == 0xdeadbeef),
 201         "wrong error %u\n", GetLastError() );
 202
 203     AbortPath( hdc );
 204     BeginPath( hdc );
 205     ret = CloseFigure( hdc );
 206     ok( ret, "CloseFigure failed\n" );
 207
 208     /* test all functions with a closed path */
 209     AbortPath( hdc );
 210     BeginPath( hdc );
 211     EndPath( hdc );
 212     ret = WidenPath( hdc );
 213     ok( ret, "WidenPath failed\n" );
 214
 215     AbortPath( hdc );
 216     BeginPath( hdc );
 217     EndPath( hdc );
 218     ret = FlattenPath( hdc );
 219     ok( ret, "FlattenPath failed\n" );
 220
 221     AbortPath( hdc );
 222     BeginPath( hdc );
 223     EndPath( hdc );
 224     ret = StrokePath( hdc );
 225     ok( ret, "StrokePath failed\n" );
 226
 227     AbortPath( hdc );
 228     BeginPath( hdc );
 229     EndPath( hdc );
 230     ret = FillPath( hdc );
 231     ok( ret, "FillPath failed\n" );
 232
 233     AbortPath( hdc );
 234     BeginPath( hdc );
 235     EndPath( hdc );
 236     ret = StrokeAndFillPath( hdc );
 237     ok( ret, "StrokeAndFillPath failed\n" );
 238
 239     AbortPath( hdc );
 240     BeginPath( hdc );
 241     Rectangle( hdc, 1, 1, 10, 10 );  /* region needs some contents */
 242     EndPath( hdc );
 243     ret = SelectClipPath( hdc, RGN_OR );
 244     ok( ret, "SelectClipPath failed\n" );
 245
 246     AbortPath( hdc );
 247     BeginPath( hdc );
 248     EndPath( hdc );
 249     SetLastError( 0xdeadbeef );
 250     ret = CloseFigure( hdc );
 251     ok( !ret, "CloseFigure succeeded\n" );
 252     ok( GetLastError() == ERROR_CAN_NOT_COMPLETE || broken(GetLastError() == 0xdeadbeef),
 253         "wrong error %u\n", GetLastError() );
 254
 255     AbortPath( hdc );
 256     BeginPath( hdc );
 257     EndPath( hdc );
 258     SetLastError( 0xdeadbeef );
 259     ret = EndPath( hdc );
 260     ok( !ret, "SelectClipPath succeeded\n" );
 261     ok( GetLastError() == ERROR_CAN_NOT_COMPLETE || broken(GetLastError() == 0xdeadbeef),
 262         "wrong error %u\n", GetLastError() );
 263
 264     DeleteDC( hdc );
 265     DeleteObject( dib );
 266 }
 267
 268 static void test_widenpath(void)
 269 {
 270     HDC hdc = GetDC(0);
 271     HPEN greenPen, narrowPen;
 272     POINT pnt[6];
 273     INT nSize, ret;
 274
 275     /* Create a pen to be used in WidenPath */
 276     greenPen = CreatePen(PS_SOLID, 10, RGB(0,0,0));
 277     SelectObject(hdc, greenPen);
 278
 279     /* Prepare a path */
 280     pnt[0].x = 100;
 281     pnt[0].y = 0;
 282     pnt[1].x = 200;
 283     pnt[1].y = 0;
 284     pnt[2].x = 300;
 285     pnt[2].y = 100;
 286     pnt[3].x = 300;
 287     pnt[3].y = 200;
 288     pnt[4].x = 200;
 289     pnt[4].y = 300;
 290     pnt[5].x = 100;
 291     pnt[5].y = 300;
 292
 293     /* Set a polyline path */
 294     BeginPath(hdc);
 295     Polyline(hdc, pnt, 6);
 296     EndPath(hdc);
 297
 298     /* Widen the polyline path */
 299     ok(WidenPath(hdc), "WidenPath fails while widening a poyline path.\n");
 300
 301     /* Test if WidenPath seems to have done his job */
 302     nSize = GetPath(hdc, NULL, NULL, 0);
 303     ok(nSize != -1, "GetPath fails after calling WidenPath.\n");
 304     ok(nSize > 6, "Path number of points is too low. Should be more than 6 but is %d\n", nSize);
 305
 306     AbortPath(hdc);
 307
 308     /* Test WidenPath with an open path (last error only set on Win2k and later) */
 309     SetLastError(0xdeadbeef);
 310     BeginPath(hdc);
 311     ret = WidenPath(hdc);
 312     ok(ret == FALSE && (GetLastError() == ERROR_CAN_NOT_COMPLETE || GetLastError() == 0xdeadbeef),
 313        "WidenPath fails while widening an open path. Return value is %d, should be %d. Error is %u\n", ret, FALSE, GetLastError());
 314
 315     AbortPath(hdc);
 316
 317     /* Test when the pen width is equal to 1. The path should change too */
 318     narrowPen = CreatePen(PS_SOLID, 1, RGB(0,0,0));
 319     SelectObject(hdc, narrowPen);
 320     BeginPath(hdc);
 321     Polyline(hdc, pnt, 6);
 322     EndPath(hdc);
 323     ret = WidenPath(hdc);
 324     ok(ret == TRUE, "WidenPath failed: %d\n", GetLastError());
 325     nSize = GetPath(hdc, NULL, NULL, 0);
 326     ok(nSize > 6, "WidenPath should compute a widened path with a 1px wide pen. Path length is %d, should be more than 6\n", nSize);
 327
 328     ReleaseDC(0, hdc);
 329     return;
 330 }
 331
 332 /*
 333  * Tests for GDI drawing functions in paths
 334  */
 335
 336 typedef struct
 337 {
 338     int x, y;
 339     BYTE type;
 340
 341     /* How many extra entries before this one only on wine
 342      * but not on native? */
 343     int wine_only_entries_preceding;
 344
 345     /* 0 - This entry matches on wine.
 346      * 1 - This entry corresponds to a single entry on wine that does not match the native entry.
 347      * 2 - This entry is currently skipped on wine but present on native. */
 348     int todo;
 349 } path_test_t;
 350
 351 /* Helper function to verify that the current path in the given DC matches the expected path.
 352  *
 353  * We use a "smart" matching algorithm that allows us to detect partial improvements
 354  * in conformance. Specifically, two running indices are kept, one through the actual
 355  * path and one through the expected path. The actual path index increases unless there is
 356  * no match and the todo field of the appropriate path_test_t element is 2. Similarly,
 357  * if the wine_entries_preceding field of the appropriate path_test_t element is non-zero,
 358  * the expected path index does not increase for that many elements as long as there
 359  * is no match. This allows us to todo_wine extra path elements that are present only
 360  * on wine but not on native and vice versa.
 361  *
 362  * Note that if expected_size is zero and the WINETEST_DEBUG environment variable is
 363  * greater than 2, the trace() output is a C path_test_t array structure, useful for making
 364  * new tests that use this function.
 365  */
 366 static void ok_path(HDC hdc, const char *path_name, const path_test_t *expected, int expected_size, BOOL todo_size)
 367 {
 368     static const char *type_string[8] = { "Unknown (0)", "PT_CLOSEFIGURE", "PT_LINETO",
 369                                           "PT_LINETO | PT_CLOSEFIGURE", "PT_BEZIERTO",
 370                                           "PT_BEZIERTO | PT_CLOSEFIGURE", "PT_MOVETO", "PT_MOVETO | PT_CLOSEFIGURE"};
 371     POINT *pnt = NULL;
 372     BYTE *types = NULL;
 373     int size, numskip,
 374         idx = 0, eidx = 0;
 375
 376     /* Get the path */
 377     assert(hdc != 0);
 378     size = GetPath(hdc, NULL, NULL, 0);
 379     ok(size > 0, "GetPath returned size %d, last error %d\n", size, GetLastError());
 380     if (size <= 0)
 381     {
 382         skip("Cannot perform path comparisons due to failure to retrieve path.\n");
 383         return;
 384     }
 385     pnt = HeapAlloc(GetProcessHeap(), 0, size*sizeof(POINT));
 386     assert(pnt != 0);
 387     types = HeapAlloc(GetProcessHeap(), 0, size*sizeof(BYTE));
 388     assert(types != 0);
 389     size = GetPath(hdc, pnt, types, size);
 390     assert(size > 0);
 391
 392     if (todo_size) todo_wine
 393         ok(size == expected_size, "Path size %d does not match expected size %d\n", size, expected_size);
 394     else
 395         ok(size == expected_size, "Path size %d does not match expected size %d\n", size, expected_size);
 396
 397     if (winetest_debug > 2)
 398         trace("static const path_test_t %s[] = {\n", path_name);
 399
 400     numskip = expected_size ? expected[eidx].wine_only_entries_preceding : 0;
 401     while (idx < size && eidx < expected_size)
 402     {
 403         /* We allow a few pixels fudge in matching X and Y coordinates to account for imprecision in
 404          * floating point to integer conversion */
 405         BOOL match = (types[idx] == expected[eidx].type) &&
 406             (pnt[idx].x >= expected[eidx].x-2 && pnt[idx].x <= expected[eidx].x+2) &&
 407             (pnt[idx].y >= expected[eidx].y-2 && pnt[idx].y <= expected[eidx].y+2);
 408
 409         if (expected[eidx].todo || numskip) todo_wine
 410             ok(match, "Expected #%d: %s (%d,%d) but got %s (%d,%d)\n", eidx,
 411                type_string[expected[eidx].type], expected[eidx].x, expected[eidx].y,
 412                type_string[types[idx]], pnt[idx].x, pnt[idx].y);
 413         else
 414             ok(match, "Expected #%d: %s (%d,%d) but got %s (%d,%d)\n", eidx,
 415                type_string[expected[eidx].type], expected[eidx].x, expected[eidx].y,
 416                type_string[types[idx]], pnt[idx].x, pnt[idx].y);
 417
 418         if (match || expected[eidx].todo != 2)
 419         {
 420             if (winetest_debug > 2)
 421                 trace("    {%d, %d, %s, 0, 0}%s /* %d */\n", pnt[idx].x, pnt[idx].y,
 422                       type_string[types[idx]], idx < size-1 ? "," : "};", idx);
 423             idx++;
 424         }
 425         if (match || !numskip--)
 426             numskip = expected[++eidx].wine_only_entries_preceding;
 427     }
 428
 429     /* If we are debugging and the actual path is longer than the expected path, make
 430      * sure to display the entire path */
 431     if (winetest_debug > 2 && idx < size)
 432         for (; idx < size; idx++)
 433             trace("    {%d, %d, %s, 0, 0}%s /* %d */\n", pnt[idx].x, pnt[idx].y,
 434                   type_string[types[idx]], idx < size-1 ? "," : "};", idx);
 435
 436     HeapFree(GetProcessHeap(), 0, types);
 437     HeapFree(GetProcessHeap(), 0, pnt);
 438 }
 439
 440 static const path_test_t arcto_path[] = {
 441     {0, 0, PT_MOVETO, 0, 0}, /* 0 */
 442     {229, 215, PT_LINETO, 0, 0}, /* 1 */
 443     {248, 205, PT_BEZIERTO, 0, 0}, /* 2 */
 444     {273, 200, PT_BEZIERTO, 0, 0}, /* 3 */
 445     {300, 200, PT_BEZIERTO, 0, 0}, /* 4 */
 446     {355, 200, PT_BEZIERTO, 0, 0}, /* 5 */
 447     {399, 222, PT_BEZIERTO, 0, 0}, /* 6 */
 448     {399, 250, PT_BEZIERTO, 0, 0}, /* 7 */
 449     {399, 263, PT_BEZIERTO, 0, 0}, /* 8 */
 450     {389, 275, PT_BEZIERTO, 0, 0}, /* 9 */
 451     {370, 285, PT_BEZIERTO, 0, 0}, /* 10 */
 452     {363, 277, PT_LINETO, 0, 0}, /* 11 */
 453     {380, 270, PT_BEZIERTO, 0, 0}, /* 12 */
 454     {389, 260, PT_BEZIERTO, 0, 0}, /* 13 */
 455     {389, 250, PT_BEZIERTO, 0, 0}, /* 14 */
 456     {389, 228, PT_BEZIERTO, 0, 0}, /* 15 */
 457     {349, 210, PT_BEZIERTO, 0, 0}, /* 16 */
 458     {300, 210, PT_BEZIERTO, 0, 0}, /* 17 */
 459     {276, 210, PT_BEZIERTO, 0, 0}, /* 18 */
 460     {253, 214, PT_BEZIERTO, 0, 0}, /* 19 */
 461     {236, 222, PT_BEZIERTO | PT_CLOSEFIGURE, 0, 0}}; /* 20 */
 462
 463 static void test_arcto(void)
 464 {
 465     HDC hdc = GetDC(0);
 466
 467     BeginPath(hdc);
 468     SetArcDirection(hdc, AD_CLOCKWISE);
 469     if (!ArcTo(hdc, 200, 200, 400, 300, 200, 200, 400, 300) &&
 470         GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
 471     {
 472         /* ArcTo is only available on Win2k and later */
 473         win_skip("ArcTo is not available\n");
 474         goto done;
 475     }
 476     SetArcDirection(hdc, AD_COUNTERCLOCKWISE);
 477     ArcTo(hdc, 210, 210, 390, 290, 390, 290, 210, 210);
 478     CloseFigure(hdc);
 479     EndPath(hdc);
 480
 481     ok_path(hdc, "arcto_path", arcto_path, sizeof(arcto_path)/sizeof(path_test_t), 0);
 482 done:
 483     ReleaseDC(0, hdc);
 484 }
 485
 486 static const path_test_t anglearc_path[] = {
 487     {0, 0, PT_MOVETO, 0, 0}, /* 0 */
 488     {371, 229, PT_LINETO, 0, 0}, /* 1 */
 489     {352, 211, PT_BEZIERTO, 0, 0}, /* 2 */
 490     {327, 200, PT_BEZIERTO, 0, 0}, /* 3 */
 491     {300, 200, PT_BEZIERTO, 0, 0}, /* 4 */
 492     {245, 200, PT_BEZIERTO, 0, 0}, /* 5 */
 493     {200, 245, PT_BEZIERTO, 0, 0}, /* 6 */
 494     {200, 300, PT_BEZIERTO, 0, 0}, /* 7 */
 495     {200, 300, PT_BEZIERTO, 0, 0}, /* 8 */
 496     {200, 300, PT_BEZIERTO, 0, 0}, /* 9 */
 497     {200, 300, PT_BEZIERTO, 0, 0}, /* 10 */
 498     {231, 260, PT_LINETO, 0, 0}, /* 11 */
 499     {245, 235, PT_BEZIERTO, 0, 0}, /* 12 */
 500     {271, 220, PT_BEZIERTO, 0, 0}, /* 13 */
 501     {300, 220, PT_BEZIERTO, 0, 0}, /* 14 */
 502     {344, 220, PT_BEZIERTO, 0, 0}, /* 15 */
 503     {380, 256, PT_BEZIERTO, 0, 0}, /* 16 */
 504     {380, 300, PT_BEZIERTO, 0, 0}, /* 17 */
 505     {380, 314, PT_BEZIERTO, 0, 0}, /* 18 */
 506     {376, 328, PT_BEZIERTO, 0, 0}, /* 19 */
 507     {369, 340, PT_BEZIERTO | PT_CLOSEFIGURE, 0, 0}}; /* 20 */
 508
 509 static void test_anglearc(void)
 510 {
 511     HDC hdc = GetDC(0);
 512     BeginPath(hdc);
 513     if (!AngleArc(hdc, 300, 300, 100, 45.0, 135.0) &&
 514         GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
 515     {
 516         /* AngleArc is only available on Win2k and later */
 517         win_skip("AngleArc is not available\n");
 518         goto done;
 519     }
 520     AngleArc(hdc, 300, 300, 80, 150.0, -180.0);
 521     CloseFigure(hdc);
 522     EndPath(hdc);
 523
 524     ok_path(hdc, "anglearc_path", anglearc_path, sizeof(anglearc_path)/sizeof(path_test_t), 0);
 525 done:
 526     ReleaseDC(0, hdc);
 527 }
 528
 529 static const path_test_t polydraw_path[] = {
 530     {0, 0, PT_MOVETO, 0, 0}, /*0*/
 531     {10, 10, PT_LINETO, 0, 0}, /*1*/
 532     {10, 15, PT_LINETO | PT_CLOSEFIGURE, 0, 0}, /*2*/
 533     {100, 100, PT_MOVETO, 0, 0}, /*3*/
 534     {95, 95, PT_LINETO, 0, 0}, /*4*/
 535     {10, 10, PT_LINETO, 0, 0}, /*5*/
 536     {10, 15, PT_LINETO | PT_CLOSEFIGURE, 0, 0}, /*6*/
 537     {100, 100, PT_MOVETO, 0, 0}, /*7*/
 538     {15, 15, PT_LINETO, 0, 0}, /*8*/
 539     {25, 25, PT_MOVETO, 0, 0}, /*9*/
 540     {25, 30, PT_LINETO, 0, 0}, /*10*/
 541     {100, 100, PT_MOVETO, 0, 0}, /*11*/
 542     {30, 30, PT_BEZIERTO, 0, 0}, /*12*/
 543     {30, 35, PT_BEZIERTO, 0, 0}, /*13*/
 544     {35, 35, PT_BEZIERTO, 0, 0}, /*14*/
 545     {35, 40, PT_LINETO, 0, 0}, /*15*/
 546     {40, 40, PT_MOVETO, 0, 0}, /*16*/
 547     {40, 45, PT_LINETO, 0, 0}, /*17*/
 548     {35, 40, PT_MOVETO, 0, 0}, /*18*/
 549     {45, 50, PT_LINETO, 0, 0}, /*19*/
 550     {35, 40, PT_MOVETO, 0, 0}, /*20*/
 551     {50, 55, PT_LINETO, 0, 0}, /*21*/
 552     {45, 50, PT_LINETO, 0, 0}, /*22*/
 553     {35, 40, PT_MOVETO, 0, 0}, /*23*/
 554     {60, 60, PT_LINETO, 0, 0}, /*24*/
 555     {60, 65, PT_MOVETO, 0, 0}, /*25*/
 556     {65, 65, PT_LINETO, 0, 0} /*26*/
 557     };
 558
 559 static POINT polydraw_pts[] = {
 560     {10, 10}, {10, 15},
 561     {15, 15}, {15, 20}, {20, 20}, {20, 25},
 562     {25, 25}, {25, 30},
 563     {30, 30}, {30, 35}, {35, 35}, {35, 40},
 564     {40, 40}, {40, 45}, {45, 45},
 565     {45, 50}, {50, 50},
 566     {50, 55}, {45, 50}, {55, 60},
 567     {60, 60}, {60, 65}, {65, 65}};
 568
 569 static BYTE polydraw_tps[] =
 570     {PT_LINETO, PT_CLOSEFIGURE | PT_LINETO, /* 2 */
 571      PT_LINETO, PT_BEZIERTO, PT_LINETO, PT_LINETO, /* 6 */
 572      PT_MOVETO, PT_LINETO, /* 8 */
 573      PT_BEZIERTO, PT_BEZIERTO, PT_BEZIERTO, PT_LINETO, /* 12 */
 574      PT_MOVETO, PT_LINETO, PT_CLOSEFIGURE, /* 15 */
 575      PT_LINETO, PT_MOVETO | PT_CLOSEFIGURE, /* 17 */
 576      PT_LINETO, PT_LINETO, PT_MOVETO | PT_CLOSEFIGURE, /* 20 */
 577      PT_LINETO, PT_MOVETO | PT_LINETO, PT_LINETO}; /* 23 */
 578
 579 static void test_polydraw(void)
 580 {
 581     BOOL retb;
 582     HDC hdc = GetDC(0);
 583     BeginPath(hdc);
 584
 585     /* closefigure with no previous moveto */
 586     if (!(retb = PolyDraw(hdc, polydraw_pts, polydraw_tps, 2)) &&
 587         GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
 588     {
 589         /* PolyDraw is only available on Win2k and later */
 590         win_skip("PolyDraw is not available\n");
 591         goto done;
 592     }
 593     expect(TRUE, retb);
 594
 595     MoveToEx(hdc, 100, 100, NULL);
 596     LineTo(hdc, 95, 95);
 597     /* closefigure with previous moveto */
 598     retb = PolyDraw(hdc, polydraw_pts, polydraw_tps, 2);
 599     expect(TRUE, retb);
 600     /* bad bezier points */
 601     retb = PolyDraw(hdc, &(polydraw_pts[2]), &(polydraw_tps[2]), 4);
 602     expect(FALSE, retb);
 603     retb = PolyDraw(hdc, &(polydraw_pts[6]), &(polydraw_tps[6]), 4);
 604     expect(FALSE, retb);
 605     /* good bezier points */
 606     retb = PolyDraw(hdc, &(polydraw_pts[8]), &(polydraw_tps[8]), 4);
 607     expect(TRUE, retb);
 608     /* does lineto or bezierto take precedence? */
 609     retb = PolyDraw(hdc, &(polydraw_pts[12]), &(polydraw_tps[12]), 4);
 610     expect(FALSE, retb);
 611     /* bad point type, has already moved cursor position */
 612     retb = PolyDraw(hdc, &(polydraw_pts[15]), &(polydraw_tps[15]), 4);
 613     expect(FALSE, retb);
 614     /* bad point type, cursor position is moved, but back to its original spot */
 615     retb = PolyDraw(hdc, &(polydraw_pts[17]), &(polydraw_tps[17]), 4);
 616     expect(FALSE, retb);
 617     /* does lineto or moveto take precedence? */
 618     retb = PolyDraw(hdc, &(polydraw_pts[20]), &(polydraw_tps[20]), 3);
 619     expect(TRUE, retb);
 620
 621     EndPath(hdc);
 622     ok_path(hdc, "polydraw_path", polydraw_path, sizeof(polydraw_path)/sizeof(path_test_t), 0);
 623 done:
 624     ReleaseDC(0, hdc);
 625 }
 626
 627 static void test_closefigure(void) {
 628     int nSize, nSizeWitness;
 629     HDC hdc = GetDC(0);
 630
 631     BeginPath(hdc);
 632     MoveToEx(hdc, 95, 95, NULL);
 633     LineTo(hdc, 95,  0);
 634     LineTo(hdc,  0, 95);
 635
 636     CloseFigure(hdc);
 637     EndPath(hdc);
 638     nSize = GetPath(hdc, NULL, NULL, 0);
 639
 640     AbortPath(hdc);
 641
 642     BeginPath(hdc);
 643     MoveToEx(hdc, 95, 95, NULL);
 644     LineTo(hdc, 95,  0);
 645     LineTo(hdc,  0, 95);
 646
 647     EndPath(hdc);
 648     nSizeWitness = GetPath(hdc, NULL, NULL, 0);
 649
 650     /* This test shows CloseFigure does not have to add a point at the end of the path */
 651     ok(nSize == nSizeWitness, "Wrong number of points, no point should be added by CloseFigure\n");
 652
 653     ReleaseDC(0, hdc);
 654 }
 655
 656 static void WINAPI linedda_callback(INT x, INT y, LPARAM lparam)
 657 {
 658     POINT **pt = (POINT**)lparam;
 659     ok((*pt)->x == x && (*pt)->y == y, "point mismatch expect(%d,%d) got(%d,%d)\n",
 660        (*pt)->x, (*pt)->y, x, y);
 661
 662     (*pt)++;
 663     return;
 664 }
 665
 666 static void test_linedda(void)
 667 {
 668     const POINT *pt;
 669     static const POINT array_10_20_20_40[] = {{10,20},{10,21},{11,22},{11,23},
 670                                               {12,24},{12,25},{13,26},{13,27},
 671                                               {14,28},{14,29},{15,30},{15,31},
 672                                               {16,32},{16,33},{17,34},{17,35},
 673                                               {18,36},{18,37},{19,38},{19,39},
 674                                               {-1,-1}};
 675     static const POINT array_10_20_20_43[] = {{10,20},{10,21},{11,22},{11,23},
 676                                               {12,24},{12,25},{13,26},{13,27},
 677                                               {13,28},{14,29},{14,30},{15,31},
 678                                               {15,32},{16,33},{16,34},{17,35},
 679                                               {17,36},{17,37},{18,38},{18,39},
 680                                               {19,40},{19,41},{20,42},{-1,-1}};
 681
 682     static const POINT array_10_20_10_20[] = {{-1,-1}};
 683     static const POINT array_10_20_11_27[] = {{10,20},{10,21},{10,22},{10,23},
 684                                               {11,24},{11,25},{11,26},{-1,-1}};
 685
 686     static const POINT array_20_43_10_20[] = {{20,43},{20,42},{19,41},{19,40},
 687                                               {18,39},{18,38},{17,37},{17,36},
 688                                               {17,35},{16,34},{16,33},{15,32},
 689                                               {15,31},{14,30},{14,29},{13,28},
 690                                               {13,27},{13,26},{12,25},{12,24},
 691                                               {11,23},{11,22},{10,21},{-1,-1}};
 692
 693     static const POINT array_20_20_10_43[] = {{20,20},{20,21},{19,22},{19,23},
 694                                               {18,24},{18,25},{17,26},{17,27},
 695                                               {17,28},{16,29},{16,30},{15,31},
 696                                               {15,32},{14,33},{14,34},{13,35},
 697                                               {13,36},{13,37},{12,38},{12,39},
 698                                               {11,40},{11,41},{10,42},{-1,-1}};
 699
 700     static const POINT array_20_20_43_10[] = {{20,20},{21,20},{22,19},{23,19},
 701                                               {24,18},{25,18},{26,17},{27,17},
 702                                               {28,17},{29,16},{30,16},{31,15},
 703                                               {32,15},{33,14},{34,14},{35,13},
 704                                               {36,13},{37,13},{38,12},{39,12},
 705                                               {40,11},{41,11},{42,10},{-1,-1}};
 706
 707
 708     pt = array_10_20_20_40;
 709     LineDDA(10, 20, 20, 40, linedda_callback, (LPARAM)&pt);
 710     ok(pt->x == -1 && pt->y == -1, "didn't find terminator\n");
 711
 712     pt = array_10_20_20_43;
 713     LineDDA(10, 20, 20, 43, linedda_callback, (LPARAM)&pt);
 714     ok(pt->x == -1 && pt->y == -1, "didn't find terminator\n");
 715
 716     pt = array_10_20_10_20;
 717     LineDDA(10, 20, 10, 20, linedda_callback, (LPARAM)&pt);
 718     ok(pt->x == -1 && pt->y == -1, "didn't find terminator\n");
 719
 720     pt = array_10_20_11_27;
 721     LineDDA(10, 20, 11, 27, linedda_callback, (LPARAM)&pt);
 722     ok(pt->x == -1 && pt->y == -1, "didn't find terminator\n");
 723
 724     pt = array_20_43_10_20;
 725     LineDDA(20, 43, 10, 20, linedda_callback, (LPARAM)&pt);
 726     ok(pt->x == -1 && pt->y == -1, "didn't find terminator\n");
 727
 728     pt = array_20_20_10_43;
 729     LineDDA(20, 20, 10, 43, linedda_callback, (LPARAM)&pt);
 730     ok(pt->x == -1 && pt->y == -1, "didn't find terminator\n");
 731
 732     pt = array_20_20_43_10;
 733     LineDDA(20, 20, 43, 10, linedda_callback, (LPARAM)&pt);
 734     ok(pt->x == -1 && pt->y == -1, "didn't find terminator\n");
 735 }
 736
 737 START_TEST(path)
 738 {
 739     test_path_state();
 740     test_widenpath();
 741     test_arcto();
 742     test_anglearc();
 743     test_polydraw();
 744     test_closefigure();
 745     test_linedda();
 746 }