ReactOS  0.4.15-dev-2985-g54406bf
path.c
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1 /*
2  * PROJECT: ReactOS win32 kernel mode subsystem
3  * LICENSE: GPL - See COPYING in the top level directory
4  * FILE: win32ss/gdi/ntgdi/path.c
5  * PURPOSE: Graphics paths (BeginPath, EndPath etc.)
6  * PROGRAMMER: Copyright 1997, 1998 Martin Boehme
7  * 1999 Huw D M Davies
8  * 2005 Dmitry Timoshkov
9  * 2018 Katayama Hirofumi MZ
10  */
11 
12 #include <win32k.h>
13 #include <suppress.h>
14 
15 DBG_DEFAULT_CHANNEL(GdiPath);
16 
17 #ifdef _MSC_VER
18 #pragma warning(disable:4244)
19 #endif
20 
21 #define NUM_ENTRIES_INITIAL 16 /* Initial size of points / flags arrays */
22 
23 #define GROW_FACTOR_NUMER 2 /* Numerator of grow factor for the array */
24 #define GROW_FACTOR_DENOM 1 /* Denominator of grow factor */
25 
26 #if DBG
27 static int PathCount = 0;
28 #endif
29 
30 /***********************************************************************
31  * Internal functions
32  */
33 
36 {
38 
39  if (!pPath)
40  {
42  return NULL;
43  }
44 
45  TRACE("CreatePath p 0x%p\n", pPath);
46  // Path handles are shared. Also due to recursion with in the same thread.
47  GDIOBJ_vUnlockObject((POBJ)pPath); // Unlock
48  pPath = PATH_LockPath(pPath->BaseObject.hHmgr); // Share Lock.
49 
50  /* Make sure that path is empty */
51  PATH_EmptyPath(pPath);
52 
54 
55  pPath->numEntriesAllocated = count;
56 
57  pPath->pPoints = (POINT *)ExAllocatePoolWithTag(PagedPool, count * sizeof(POINT), TAG_PATH);
58  RtlZeroMemory( pPath->pPoints, count * sizeof(POINT));
59  pPath->pFlags = (BYTE *)ExAllocatePoolWithTag(PagedPool, count * sizeof(BYTE), TAG_PATH);
60  RtlZeroMemory( pPath->pFlags, count * sizeof(BYTE));
61 
62  /* Initialize variables for new path */
63  pPath->numEntriesUsed = 0;
64  pPath->newStroke = TRUE;
65  pPath->state = PATH_Open;
66  pPath->pos.x = pPath->pos.y = 0;
67 #if DBG
68  PathCount++;
69  TRACE("Create Path %d\n",PathCount);
70 #endif
71  return pPath;
72 }
73 
74 /* PATH_DestroyGdiPath
75  *
76  * Destroys a GdiPath structure (frees the memory in the arrays).
77  */
78 VOID
81 {
82  ASSERT(pPath != NULL);
83 
84  if (pPath->pPoints) ExFreePoolWithTag(pPath->pPoints, TAG_PATH);
85  if (pPath->pFlags) ExFreePoolWithTag(pPath->pFlags, TAG_PATH);
86 }
87 
88 BOOL
91 {
92  PPATH pPath;
93  if (!hPath) return FALSE;
94  pPath = PATH_LockPath(hPath);
95  if (!pPath) return FALSE;
96  PATH_DestroyGdiPath(pPath);
98 #if DBG
99  PathCount--;
100  TRACE("Delete Path %d\n",PathCount);
101 #endif
102  return TRUE;
103 }
104 
105 
106 VOID
107 FASTCALL
109 {
110  ASSERT(pPath->state == PATH_Open);
111 
112  // FIXME: Shouldn't we draw a line to the beginning of the figure?
113  // Set PT_CLOSEFIGURE on the last entry and start a new stroke
114  if (pPath->numEntriesUsed)
115  {
116  pPath->pFlags[pPath->numEntriesUsed - 1] |= PT_CLOSEFIGURE;
117  pPath->newStroke = TRUE;
118  }
119 }
120 
121 /* MSDN: This fails if the device coordinates exceed 27 bits, or if the converted
122  logical coordinates exceed 32 bits. */
123 BOOL
124 FASTCALL
126  PDC pdc,
127  PPOINT ppt,
128  INT count)
129 {
130  XFORMOBJ xo;
131 
132  XFORMOBJ_vInit(&xo, &pdc->pdcattr->mxDeviceToWorld);
133  return XFORMOBJ_bApplyXform(&xo, XF_LTOL, count, (PPOINTL)ppt, (PPOINTL)ppt);
134 }
135 
136 /* PATH_InitGdiPath
137  *
138  * Initializes the GdiPath structure.
139  */
140 VOID
141 FASTCALL
143  PPATH pPath)
144 {
145  ASSERT(pPath != NULL);
146 
147  pPath->state = PATH_Null;
148  pPath->pPoints = NULL;
149  pPath->pFlags = NULL;
150  pPath->numEntriesUsed = 0;
151  pPath->numEntriesAllocated = 0;
152 }
153 
154 /* PATH_AssignGdiPath
155  *
156  * Copies the GdiPath structure "pPathSrc" to "pPathDest". A deep copy is
157  * performed, i.e. the contents of the pPoints and pFlags arrays are copied,
158  * not just the pointers. Since this means that the arrays in pPathDest may
159  * need to be resized, pPathDest should have been initialized using
160  * PATH_InitGdiPath (in C++, this function would be an assignment operator,
161  * not a copy constructor).
162  * Returns TRUE if successful, else FALSE.
163  */
164 BOOL
165 FASTCALL
167  PPATH pPathDest,
168  const PPATH pPathSrc)
169 {
170  ASSERT(pPathDest != NULL && pPathSrc != NULL);
171 
172  /* Make sure destination arrays are big enough */
173  if (!PATH_ReserveEntries(pPathDest, pPathSrc->numEntriesUsed))
174  return FALSE;
175 
176  /* Perform the copy operation */
177  memcpy(pPathDest->pPoints, pPathSrc->pPoints, sizeof(POINT)*pPathSrc->numEntriesUsed);
178  memcpy(pPathDest->pFlags, pPathSrc->pFlags, sizeof(BYTE)*pPathSrc->numEntriesUsed);
179 
180  pPathDest->pos = pPathSrc->pos;
181  pPathDest->state = pPathSrc->state;
182  pPathDest->numEntriesUsed = pPathSrc->numEntriesUsed;
183  pPathDest->newStroke = pPathSrc->newStroke;
184  return TRUE;
185 }
186 
188 {
189  PPATH pdstPath, psrcPath = PATH_LockPath(src->dclevel.hPath);
190  TRACE("PATH_SavePath\n");
191  if (psrcPath)
192  {
193  TRACE("PATH_SavePath 1\n");
194 
195  pdstPath = PATH_CreatePath(psrcPath->numEntriesAllocated);
196 
197  dst->dclevel.flPath = src->dclevel.flPath;
198 
199  dst->dclevel.hPath = pdstPath->BaseObject.hHmgr;
200 
201  PATH_AssignGdiPath(pdstPath, psrcPath);
202 
203  PATH_UnlockPath(pdstPath);
204  PATH_UnlockPath(psrcPath);
205  }
206  return TRUE;
207 }
208 
210 {
211  TRACE("PATH_RestorePath\n");
212 
213  if (dst->dclevel.hPath == NULL)
214  {
215  PPATH pdstPath, psrcPath = PATH_LockPath(src->dclevel.hPath);
216  TRACE("PATH_RestorePath 1\n");
217  pdstPath = PATH_CreatePath(psrcPath->numEntriesAllocated);
218  dst->dclevel.flPath = src->dclevel.flPath;
219  dst->dclevel.hPath = pdstPath->BaseObject.hHmgr;
220 
221  PATH_AssignGdiPath(pdstPath, psrcPath);
222 
223  PATH_UnlockPath(pdstPath);
224  PATH_UnlockPath(psrcPath);
225  }
226  else
227  {
228  PPATH pdstPath, psrcPath = PATH_LockPath(src->dclevel.hPath);
229  pdstPath = PATH_LockPath(dst->dclevel.hPath);
230  TRACE("PATH_RestorePath 2\n");
231  dst->dclevel.flPath = src->dclevel.flPath & (DCPATH_CLOCKWISE|DCPATH_ACTIVE);
232  PATH_AssignGdiPath(pdstPath, psrcPath);
233 
234  PATH_UnlockPath(pdstPath);
235  PATH_UnlockPath(psrcPath);
236  }
237  return TRUE;
238 }
239 
240 /* PATH_EmptyPath
241  *
242  * Removes all entries from the path and sets the path state to PATH_Null.
243  */
244 VOID
245 FASTCALL
247 {
248  ASSERT(pPath != NULL);
249 
250  pPath->state = PATH_Null;
251  pPath->numEntriesUsed = 0;
252 }
253 
254 /* PATH_AddEntry
255  *
256  * Adds an entry to the path. For "flags", pass either PT_MOVETO, PT_LINETO
257  * or PT_BEZIERTO, optionally ORed with PT_CLOSEFIGURE. Returns TRUE if
258  * successful, FALSE otherwise (e.g. if not enough memory was available).
259  */
260 BOOL
261 FASTCALL
263  PPATH pPath,
264  const POINT *pPoint,
265  BYTE flags)
266 {
267  ASSERT(pPath != NULL);
268 
269  /* FIXME: If newStroke is true, perhaps we want to check that we're
270  * getting a PT_MOVETO
271  */
272  TRACE("(%d,%d) - %d\n", pPoint->x, pPoint->y, flags);
273 
274  /* Reserve enough memory for an extra path entry */
275  if (!PATH_ReserveEntries(pPath, pPath->numEntriesUsed + 1))
276  return FALSE;
277 
278  /* Store information in path entry */
279  pPath->pPoints[pPath->numEntriesUsed] = *pPoint;
280  pPath->pFlags[pPath->numEntriesUsed] = flags;
281 
282  /* Increment entry count */
283  pPath->numEntriesUsed++;
284 
285  return TRUE;
286 }
287 
288 /* PATH_ReserveEntries
289  *
290  * Ensures that at least "numEntries" entries (for points and flags) have
291  * been allocated; allocates larger arrays and copies the existing entries
292  * to those arrays, if necessary. Returns TRUE if successful, else FALSE.
293  */
294 BOOL
295 FASTCALL
297  PPATH pPath,
298  INT numEntries)
299 {
300  INT numEntriesToAllocate;
301  POINT *pPointsNew;
302  BYTE *pFlagsNew;
303 
304  ASSERT(pPath != NULL);
305  ASSERT(numEntries >= 0);
306 
307  /* Do we have to allocate more memory? */
308  if (numEntries > pPath->numEntriesAllocated)
309  {
310  /* Find number of entries to allocate. We let the size of the array
311  * grow exponentially, since that will guarantee linear time
312  * complexity. */
313  if (pPath->numEntriesAllocated)
314  {
315  numEntriesToAllocate = pPath->numEntriesAllocated;
316  while (numEntriesToAllocate < numEntries)
317  numEntriesToAllocate = numEntriesToAllocate * GROW_FACTOR_NUMER / GROW_FACTOR_DENOM;
318  }
319  else
320  numEntriesToAllocate = numEntries;
321 
322  /* Allocate new arrays */
323  pPointsNew = (POINT *)ExAllocatePoolWithTag(PagedPool, numEntriesToAllocate * sizeof(POINT), TAG_PATH);
324  if (!pPointsNew)
325  return FALSE;
326 
327  pFlagsNew = (BYTE *)ExAllocatePoolWithTag(PagedPool, numEntriesToAllocate * sizeof(BYTE), TAG_PATH);
328  if (!pFlagsNew)
329  {
330  ExFreePoolWithTag(pPointsNew, TAG_PATH);
331  return FALSE;
332  }
333 
334  /* Copy old arrays to new arrays and discard old arrays */
335  if (pPath->pPoints)
336  {
337  ASSERT(pPath->pFlags);
338 
339  memcpy(pPointsNew, pPath->pPoints, sizeof(POINT)*pPath->numEntriesUsed);
340  memcpy(pFlagsNew, pPath->pFlags, sizeof(BYTE)*pPath->numEntriesUsed);
341 
344  }
345 
346  pPath->pPoints = pPointsNew;
347  pPath->pFlags = pFlagsNew;
348  pPath->numEntriesAllocated = numEntriesToAllocate;
349  }
350 
351  return TRUE;
352 }
353 
354 /* PATH_ScaleNormalizedPoint
355  *
356  * Scales a normalized point (x, y) with respect to the box whose corners are
357  * passed in "corners". The point is stored in "*pPoint". The normalized
358  * coordinates (-1.0, -1.0) correspond to corners[0], the coordinates
359  * (1.0, 1.0) correspond to corners[1].
360  */
361 static
362 BOOLEAN
364  POINT corners[],
365  FLOATL x,
366  FLOATL y,
367  POINT *pPoint)
368 {
369  FLOATOBJ tmp;
370 
371  ASSERT(corners);
372  ASSERT(pPoint);
373 
374  /* pPoint->x = (double)corners[0].x + (double)(corners[1].x - corners[0].x) * 0.5 * (x + 1.0); */
375  FLOATOBJ_SetFloat(&tmp, x);
376  FLOATOBJ_Add(&tmp, (FLOATOBJ*)&gef1);
377  FLOATOBJ_Div(&tmp, (FLOATOBJ*)&gef2);
378  FLOATOBJ_MulLong(&tmp, corners[1].x - corners[0].x);
379  FLOATOBJ_AddLong(&tmp, corners[0].x);
380  if (!FLOATOBJ_bConvertToLong(&tmp, &pPoint->x))
381  return FALSE;
382 
383  /* pPoint->y = (double)corners[0].y + (double)(corners[1].y - corners[0].y) * 0.5 * (y + 1.0); */
384  FLOATOBJ_SetFloat(&tmp, y);
385  FLOATOBJ_Add(&tmp, (FLOATOBJ*)&gef1);
386  FLOATOBJ_Div(&tmp, (FLOATOBJ*)&gef2);
387  FLOATOBJ_MulLong(&tmp, corners[1].y - corners[0].y);
388  FLOATOBJ_AddLong(&tmp, corners[0].y);
389  if (!FLOATOBJ_bConvertToLong(&tmp, &pPoint->y))
390  return FALSE;
391  return TRUE;
392 }
393 
394 /* PATH_NormalizePoint
395  *
396  * Normalizes a point with respect to the box whose corners are passed in
397  * corners. The normalized coordinates are stored in *pX and *pY.
398  */
399 static
400 VOID
402  POINTL corners[],
403  const POINTL *pPoint,
404  FLOATL *pX,
405  FLOATL *pY)
406 {
407  FLOATOBJ tmp;
408 
409  ASSERT(corners);
410  ASSERT(pPoint);
411  ASSERT(pX);
412  ASSERT(pY);
413 
414  /* *pX = (float)(pPoint->x - corners[0].x) / (float)(corners[1].x - corners[0].x) * 2.0 - 1.0; */
415  FLOATOBJ_SetLong(&tmp, (pPoint->x - corners[0].x) * 2);
416  FLOATOBJ_DivLong(&tmp, corners[1].x - corners[0].x);
417  FLOATOBJ_Sub(&tmp, (PFLOATOBJ)&gef1);
418  *pX = FLOATOBJ_GetFloat(&tmp);
419 
420  /* *pY = (float)(pPoint->y - corners[0].y) / (float)(corners[1].y - corners[0].y) * 2.0 - 1.0; */
421  FLOATOBJ_SetLong(&tmp, (pPoint->y - corners[0].y) * 2);
422  FLOATOBJ_DivLong(&tmp, corners[1].y - corners[0].y);
423  FLOATOBJ_Sub(&tmp, (PFLOATOBJ)&gef1);
424  *pY = FLOATOBJ_GetFloat(&tmp);
425 }
426 
427 /* PATH_CheckCorners
428  *
429  * Helper function for PATH_RoundRect() and PATH_Rectangle()
430  */
431 static
432 BOOL
434  DC *dc,
435  RECTL* rect,
436  INT x1,
437  INT y1,
438  INT x2,
439  INT y2)
440 {
441  PDC_ATTR pdcattr = dc->pdcattr;
442 
443  /* Convert points to device coordinates */
444  RECTL_vSetRect(rect, x1, y1, x2, y2);
445  IntLPtoDP(dc, (PPOINT)rect, 2);
446 
447  /* Make sure first corner is top left and second corner is bottom right */
449 
450  /* In GM_COMPATIBLE, don't include bottom and right edges */
451  if (pdcattr->iGraphicsMode == GM_COMPATIBLE)
452  {
453  if (rect->left == rect->right) return FALSE;
454  if (rect->top == rect->bottom) return FALSE;
455  rect->right--;
456  rect->bottom--;
457  }
458  return TRUE;
459 }
460 
461 /* add a number of points, converting them to device coords */
462 /* return a pointer to the first type byte so it can be fixed up if necessary */
464  DWORD count, BYTE type )
465 {
466  BYTE *ret;
467 
468  if (!PATH_ReserveEntries( path, path->numEntriesUsed + count )) return NULL;
469 
470  ret = &path->pFlags[path->numEntriesUsed];
471  memcpy( &path->pPoints[path->numEntriesUsed], points, count * sizeof(*points) );
472  IntLPtoDP( dc, &path->pPoints[path->numEntriesUsed], count );
473  memset( ret, type, count );
474  path->numEntriesUsed += count;
475  return ret;
476 }
477 
478 /* add a number of points that are already in device coords */
479 /* return a pointer to the first type byte so it can be fixed up if necessary */
481 {
482  BYTE *ret;
483 
484  if (!PATH_ReserveEntries( path, path->numEntriesUsed + count )) return NULL;
485 
486  ret = &path->pFlags[path->numEntriesUsed];
487  memcpy( &path->pPoints[path->numEntriesUsed], points, count * sizeof(*points) );
488  memset( ret, type, count );
489  path->numEntriesUsed += count;
490  return ret;
491 }
492 
493 /* reverse the order of an array of points */
495 {
496  UINT i;
497  for (i = 0; i < count / 2; i++)
498  {
499  POINT pt = points[i];
500  points[i] = points[count - i - 1];
501  points[count - i - 1] = pt;
502  }
503 }
504 
505 /* start a new path stroke if necessary */
507 {
508  if (!path->newStroke && path->numEntriesUsed &&
509  !(path->pFlags[path->numEntriesUsed - 1] & PT_CLOSEFIGURE) &&
510  path->pPoints[path->numEntriesUsed - 1].x == path->pos.x &&
511  path->pPoints[path->numEntriesUsed - 1].y == path->pos.y)
512  return TRUE;
513 
514  path->newStroke = FALSE;
515  return add_points( path, &path->pos, 1, PT_MOVETO ) != NULL;
516 }
517 
518 /* set current position to the last point that was added to the path */
520 {
521  ASSERT(path->numEntriesUsed);
522  path->pos = path->pPoints[path->numEntriesUsed - 1];
523 }
524 
525 /* close the current figure */
526 static void close_figure( PPATH path )
527 {
528  ASSERT(path->numEntriesUsed);
529  path->pFlags[path->numEntriesUsed - 1] |= PT_CLOSEFIGURE;
530 }
531 
532 /* add a number of points, starting a new stroke if necessary */
534  DWORD count, BYTE type )
535 {
536  if (!start_new_stroke( path )) return FALSE;
537  if (!add_log_points( dc, path, points, count, type )) return FALSE;
539 
540  TRACE("ALPNS : Pos X %d Y %d\n",path->pos.x, path->pos.y);
541  IntGdiMoveToEx(dc, path->pos.x, path->pos.y, NULL);
542 
543  return TRUE;
544 }
545 
546 /* PATH_MoveTo
547  *
548  * Should be called when a MoveTo is performed on a DC that has an
549  * open path. This starts a new stroke. Returns TRUE if successful, else
550  * FALSE.
551  */
552 BOOL
553 FASTCALL
555  PDC dc,
556  PPATH pPath)
557 {
558  if (!pPath) return FALSE;
559 
560  // GDI32 : Signal from user space of a change in position.
561  if (dc->pdcattr->ulDirty_ & DIRTY_STYLESTATE)
562  {
563  TRACE("MoveTo has changed\n");
564  pPath->newStroke = TRUE;
565  // Set position and clear the signal flag.
566  IntGetCurrentPositionEx(dc, &pPath->pos);
567  IntLPtoDP( dc, &pPath->pos, 1 );
568  return TRUE;
569  }
570 
571  return FALSE;
572 }
573 
574 /* PATH_LineTo
575  *
576  * Should be called when a LineTo is performed on a DC that has an
577  * open path. This adds a PT_LINETO entry to the path (and possibly
578  * a PT_MOVETO entry, if this is the first LineTo in a stroke).
579  * Returns TRUE if successful, else FALSE.
580  */
581 BOOL
582 FASTCALL
584  PDC dc,
585  INT x,
586  INT y)
587 {
588  BOOL Ret;
589  PPATH pPath;
590  POINT point, pointCurPos;
591 
592  pPath = PATH_LockPath(dc->dclevel.hPath);
593  if (!pPath) return FALSE;
594 
595  point.x = x;
596  point.y = y;
597 
598  // Coalesce a MoveTo point.
599  if ( !PATH_MoveTo(dc, pPath) )
600  {
601  /* Add a PT_MOVETO if necessary */
602  if (pPath->newStroke)
603  {
604  TRACE("Line To : New Stroke\n");
605  pPath->newStroke = FALSE;
606  IntGetCurrentPositionEx(dc, &pointCurPos);
607  CoordLPtoDP(dc, &pointCurPos);
608  if (!PATH_AddEntry(pPath, &pointCurPos, PT_MOVETO))
609  {
610  PATH_UnlockPath(pPath);
611  return FALSE;
612  }
613  }
614  }
615  Ret = add_log_points_new_stroke( dc, pPath, &point, 1, PT_LINETO );
616  PATH_UnlockPath(pPath);
617  return Ret;
618 }
619 
620 /* PATH_Rectangle
621  *
622  * Should be called when a call to Rectangle is performed on a DC that has
623  * an open path. Returns TRUE if successful, else FALSE.
624  */
625 BOOL
626 FASTCALL
628  PDC dc,
629  INT x1,
630  INT y1,
631  INT x2,
632  INT y2)
633 {
634  PPATH pPath;
635  RECTL rect;
636  POINTL points[4];
637  BYTE *type;
638 
639  pPath = PATH_LockPath(dc->dclevel.hPath);
640  if (!pPath) return FALSE;
641 
642  if (!PATH_CheckRect(dc, &rect, x1, y1, x2, y2))
643  {
644  PATH_UnlockPath(pPath);
645  return TRUE;
646  }
647 
648  points[0].x = rect.right; points[0].y = rect.top;
649  points[1].x = rect.left; points[1].y = rect.top;
650  points[2].x = rect.left; points[2].y = rect.bottom;
651  points[3].x = rect.right; points[3].y = rect.bottom;
652 
653  if (dc->dclevel.flPath & DCPATH_CLOCKWISE) reverse_points(points, 4 );
654 
655  if (!(type = add_points( pPath, points, 4, PT_LINETO )))
656  {
657  PATH_UnlockPath(pPath);
658  return FALSE;
659  }
660  type[0] = PT_MOVETO;
661 
662  /* Close the rectangle figure */
663  IntGdiCloseFigure(pPath) ;
664  PATH_UnlockPath(pPath);
665  return TRUE;
666 }
667 
668 /* PATH_RoundRect
669  *
670  * Should be called when a call to RoundRect is performed on a DC that has
671  * an open path. Returns TRUE if successful, else FALSE.
672  *
673  */
674 BOOL
676  DC *dc,
677  INT x1,
678  INT y1,
679  INT x2,
680  INT y2,
681  INT ell_width,
682  INT ell_height)
683 {
684  PPATH pPath;
685  RECTL rect, ellipse;
686  POINT points[16];
687  BYTE *type;
689 
690  if (!ell_width || !ell_height) return PATH_Rectangle( dc, x1, y1, x2, y2 );
691 
692  pPath = PATH_LockPath(dc->dclevel.hPath);
693  if (!pPath) return FALSE;
694 
695  if (!PATH_CheckRect(dc, &rect, x1, y1, x2, y2))
696  {
697  PATH_UnlockPath(pPath);
698  return TRUE;
699  }
700 
701  RECTL_vSetRect(&ellipse, 0, 0, ell_width, ell_height);
702  IntLPtoDP( dc, (PPOINT)&ellipse, 2 );
703  RECTL_vMakeWellOrdered(&ellipse);
704  ell_width = min(RECTL_lGetWidth(&ellipse), RECTL_lGetWidth(&rect));
705  ell_height = min(RECTL_lGetHeight(&ellipse), RECTL_lGetHeight(&rect));
706 
707  /*
708  * See here to understand what's happening
709  * https://stackoverflow.com/questions/1734745/how-to-create-circle-with-b%C3%A9zier-curves
710  */
711  xOffset = EngMulDiv(ell_width, 44771525, 200000000); /* w * (1 - 0.5522847) / 2 */
712  yOffset = EngMulDiv(ell_height, 44771525, 200000000); /* h * (1 - 0.5522847) / 2 */
713  TRACE("xOffset %d, yOffset %d, Rect WxH: %dx%d.\n",
715 
716  /*
717  * Get half width & height.
718  * Do not use integer division, we need the rounding made by EngMulDiv.
719  */
720  ell_width = EngMulDiv(ell_width, 1, 2);
721  ell_height = EngMulDiv(ell_height, 1, 2);
722 
723  /* starting point */
724  points[0].x = rect.right;
725  points[0].y = rect.top + ell_height;
726  /* first curve */
727  points[1].x = rect.right;
728  points[1].y = rect.top + yOffset;
729  points[2].x = rect.right - xOffset;
730  points[2].y = rect.top;
731  points[3].x = rect.right - ell_width;
732  points[3].y = rect.top;
733  /* horizontal line */
734  points[4].x = rect.left + ell_width;
735  points[4].y = rect.top;
736  /* second curve */
737  points[5].x = rect.left + xOffset;
738  points[5].y = rect.top;
739  points[6].x = rect.left;
740  points[6].y = rect.top + yOffset;
741  points[7].x = rect.left;
742  points[7].y = rect.top + ell_height;
743  /* vertical line */
744  points[8].x = rect.left;
745  points[8].y = rect.bottom - ell_height;
746  /* third curve */
747  points[9].x = rect.left;
748  points[9].y = rect.bottom - yOffset;
749  points[10].x = rect.left + xOffset;
750  points[10].y = rect.bottom;
751  points[11].x = rect.left + ell_width;
752  points[11].y = rect.bottom;
753  /* horizontal line */
754  points[12].x = rect.right - ell_width;
755  points[12].y = rect.bottom;
756  /* fourth curve */
757  points[13].x = rect.right - xOffset;
758  points[13].y = rect.bottom;
759  points[14].x = rect.right;
760  points[14].y = rect.bottom - yOffset;
761  points[15].x = rect.right;
762  points[15].y = rect.bottom - ell_height;
763 
764  if (dc->dclevel.flPath & DCPATH_CLOCKWISE) reverse_points( points, 16 );
765  if (!(type = add_points( pPath, points, 16, PT_BEZIERTO )))
766  {
767  PATH_UnlockPath(pPath);
768  return FALSE;
769  }
770  type[0] = PT_MOVETO;
771  type[4] = type[8] = type[12] = PT_LINETO;
772 
773  IntGdiCloseFigure(pPath);
774  PATH_UnlockPath(pPath);
775  return TRUE;
776 }
777 
778 /* PATH_Ellipse
779  *
780  */
781 BOOL
783  PDC dc,
784  INT x1,
785  INT y1,
786  INT x2,
787  INT y2)
788 {
789  PPATH pPath;
790  POINT points[13];
791  RECTL rect;
792  BYTE *type;
793  LONG xRadius, yRadius, xOffset, yOffset;
795 
796  TRACE("PATH_Ellipse: %p -> (%d, %d) - (%d, %d)\n",
797  dc, x1, y1, x2, y2);
798 
799  if (!PATH_CheckRect(dc, &rect, x1, y1, x2, y2))
800  {
801  return TRUE;
802  }
803 
804  xRadius = RECTL_lGetWidth(&rect) / 2;
805  yRadius = RECTL_lGetHeight(&rect) / 2;
806 
807  /* Get the four points which box our ellipse */
808  left.x = rect.left; left.y = rect.top + yRadius;
809  top.x = rect.left + xRadius; top.y = rect.top;
810  right.x = rect.right; right.y = rect.bottom - yRadius;
811  bottom.x = rect.right - xRadius; bottom.y = rect.bottom;
812 
813  /*
814  * See here to understand what's happening
815  * https://stackoverflow.com/questions/1734745/how-to-create-circle-with-b%C3%A9zier-curves
816  */
817  xOffset = EngMulDiv(RECTL_lGetWidth(&rect), 55428475, 200000000); /* w * 0.55428475 / 2 */
818  yOffset = EngMulDiv(RECTL_lGetHeight(&rect), 55428475, 200000000); /* h * 0.55428475 / 2 */
819  TRACE("xOffset %d, yOffset %d, Rect WxH: %dx%d.\n",
821 
822  pPath = PATH_LockPath(dc->dclevel.hPath);
823  if (!pPath)
824  return FALSE;
825 
826  /* Starting point: Right */
827  points[0] = right;
828 
829  /* first curve - going up, left */
830  points[1] = right;
831  points[1].y -= yOffset;
832  points[2] = top;
833  points[2].x += xOffset;
834 
835  /* top */
836  points[3] = top;
837 
838  /* second curve - going left, down*/
839  points[4] = top;
840  points[4].x -= xOffset;
841  points[5] = left;
842  points[5].y -= yOffset;
843 
844  /* Left */
845  points[6] = left;
846 
847  /* Third curve - going down, right */
848  points[7] = left;
849  points[7].y += yOffset;
850  points[8] = bottom;
851  points[8].x -= xOffset;
852 
853  /* bottom */
854  points[9] = bottom;
855 
856  /* Fourth curve - Going right, up */
857  points[10] = bottom;
858  points[10].x += xOffset;
859  points[11] = right;
860  points[11].y += yOffset;
861 
862  /* Back to starting point */
863  points[12] = right;
864 
865  if (dc->dclevel.flPath & DCPATH_CLOCKWISE) reverse_points( points, 13 );
866  if (!(type = add_points( pPath, points, 13, PT_BEZIERTO )))
867  {
868  ERR("PATH_Ellipse No add\n");
869  PATH_UnlockPath(pPath);
870  return FALSE;
871  }
872  type[0] = PT_MOVETO;
873 
874  IntGdiCloseFigure(pPath);
875  PATH_UnlockPath(pPath);
876  return TRUE;
877 }
878 
879 /* PATH_DoArcPart
880  *
881  * Creates a Bezier spline that corresponds to part of an arc and appends the
882  * corresponding points to the path. The start and end angles are passed in
883  * "angleStart" and "angleEnd"; these angles should span a quarter circle
884  * at most. If "startEntryType" is non-zero, an entry of that type for the first
885  * control point is added to the path; otherwise, it is assumed that the current
886  * position is equal to the first control point.
887  */
888 static
889 BOOL
891  PPATH pPath,
892  POINT corners[],
893  double angleStart,
894  double angleEnd,
895  BYTE startEntryType)
896 {
897  double halfAngle, a;
898  float xNorm[4], yNorm[4];
899  POINT points[4];
900  BYTE *type;
901  int i, start;
902 
903  ASSERT(fabs(angleEnd - angleStart) <= M_PI_2);
904 
905  /* FIXME: Is there an easier way of computing this? */
906 
907  /* Compute control points */
908  halfAngle = (angleEnd - angleStart) / 2.0;
909  if (fabs(halfAngle) > 1e-8)
910  {
911  a = 4.0 / 3.0 * (1 - cos(halfAngle)) / sin(halfAngle);
912  xNorm[0] = cos(angleStart);
913  yNorm[0] = sin(angleStart);
914  xNorm[1] = xNorm[0] - a * yNorm[0];
915  yNorm[1] = yNorm[0] + a * xNorm[0];
916  xNorm[3] = cos(angleEnd);
917  yNorm[3] = sin(angleEnd);
918  xNorm[2] = xNorm[3] + a * yNorm[3];
919  yNorm[2] = yNorm[3] - a * xNorm[3];
920  }
921  else
922  for (i = 0; i < 4; i++)
923  {
924  xNorm[i] = cos(angleStart);
925  yNorm[i] = sin(angleStart);
926  }
927 
928  /* Add starting point to path if desired */
929  start = !startEntryType;
930 
931  /* Add remaining control points */
932  for (i = start; i < 4; i++)
933  {
934  if (!PATH_ScaleNormalizedPoint(corners, *(FLOATL*)&xNorm[i], *(FLOATL*)&yNorm[i], &points[i]))
935  return FALSE;
936  }
937  if (!(type = add_points( pPath, points + start, 4 - start, PT_BEZIERTO ))) return FALSE;
938  if (!start) type[0] = startEntryType;
939 
940  return TRUE;
941 }
942 
943 /* PATH_Arc
944  *
945  * Should be called when a call to Arc is performed on a DC that has
946  * an open path. This adds up to five Bezier splines representing the arc
947  * to the path. When 'lines' is 1, we add 1 extra line to get a chord,
948  * when 'lines' is 2, we add 2 extra lines to get a pie, and when 'lines' is
949  * -1 we add 1 extra line from the current DC position to the starting position
950  * of the arc before drawing the arc itself (arcto). Returns TRUE if successful,
951  * else FALSE.
952  */
953 BOOL
954 FASTCALL
956  PDC dc,
957  INT x1,
958  INT y1,
959  INT x2,
960  INT y2,
961  INT xStart,
962  INT yStart,
963  INT xEnd,
964  INT yEnd,
965  INT direction,
966  INT lines)
967 {
968  double angleStart, angleEnd, angleStartQuadrant, angleEndQuadrant = 0.0;
969  /* Initialize angleEndQuadrant to silence gcc's warning */
970  FLOATL x, y;
971  POINT corners[2], pointStart, pointEnd;
972  POINT centre, pointCurPos;
973  BOOL start, end, Ret = TRUE;
974  INT temp;
975  BOOL clockwise;
976  PPATH pPath;
977 
978  /* FIXME: This function should check for all possible error returns */
979  /* FIXME: Do we have to respect newStroke? */
980 
981  ASSERT(dc);
982 
983  pPath = PATH_LockPath(dc->dclevel.hPath);
984  if (!pPath) return FALSE;
985 
986  if (direction)
987  clockwise = ((direction == AD_CLOCKWISE) !=0 );
988  else
989  clockwise = ((dc->dclevel.flPath & DCPATH_CLOCKWISE) != 0);
990 
991  /* Check for zero height / width */
992  /* FIXME: Only in GM_COMPATIBLE? */
993  if (x1 == x2 || y1 == y2)
994  {
995  Ret = TRUE;
996  goto ArcExit;
997  }
998  /* Convert points to device coordinates */
999  corners[0].x = x1; corners[0].y = y1;
1000  corners[1].x = x2; corners[1].y = y2;
1001  pointStart.x = xStart; pointStart.y = yStart;
1002  pointEnd.x = xEnd; pointEnd.y = yEnd;
1003  INTERNAL_LPTODP(dc, corners, 2);
1004  INTERNAL_LPTODP(dc, &pointStart, 1);
1005  INTERNAL_LPTODP(dc, &pointEnd, 1);
1006 
1007  /* Make sure first corner is top left and second corner is bottom right */
1008  if (corners[0].x > corners[1].x)
1009  {
1010  temp = corners[0].x;
1011  corners[0].x = corners[1].x;
1012  corners[1].x = temp;
1013  }
1014  if (corners[0].y > corners[1].y)
1015  {
1016  temp = corners[0].y;
1017  corners[0].y = corners[1].y;
1018  corners[1].y = temp;
1019  }
1020 
1021  /* Compute start and end angle */
1022  PATH_NormalizePoint(corners, &pointStart, &x, &y);
1023  angleStart = atan2(*(FLOAT*)&y, *(FLOAT*)&x);
1024  PATH_NormalizePoint(corners, &pointEnd, &x, &y);
1025  angleEnd = atan2(*(FLOAT*)&y, *(FLOAT*)&x);
1026 
1027  /* Make sure the end angle is "on the right side" of the start angle */
1028  if (clockwise)
1029  {
1030  if (angleEnd <= angleStart)
1031  {
1032  angleEnd += 2 * M_PI;
1033  ASSERT(angleEnd >= angleStart);
1034  }
1035  }
1036  else
1037  {
1038  if (angleEnd >= angleStart)
1039  {
1040  angleEnd -= 2 * M_PI;
1041  ASSERT(angleEnd <= angleStart);
1042  }
1043  }
1044 
1045  /* In GM_COMPATIBLE, don't include bottom and right edges */
1046  if (dc->pdcattr->iGraphicsMode == GM_COMPATIBLE)
1047  {
1048  corners[1].x--;
1049  corners[1].y--;
1050  }
1051 
1052  /* arcto: Add a PT_MOVETO only if this is the first entry in a stroke */
1053  if (lines == GdiTypeArcTo && pPath->newStroke) // -1
1054  {
1055  pPath->newStroke = FALSE;
1056  IntGetCurrentPositionEx(dc, &pointCurPos);
1057  CoordLPtoDP(dc, &pointCurPos);
1058  if (!PATH_AddEntry(pPath, &pointCurPos, PT_MOVETO))
1059  {
1060  Ret = FALSE;
1061  goto ArcExit;
1062  }
1063  }
1064 
1065  /* Add the arc to the path with one Bezier spline per quadrant that the
1066  * arc spans */
1067  start = TRUE;
1068  end = FALSE;
1069  do
1070  {
1071  /* Determine the start and end angles for this quadrant */
1072  if (start)
1073  {
1074  angleStartQuadrant = angleStart;
1075  if (clockwise)
1076  angleEndQuadrant = (floor(angleStart / M_PI_2) + 1.0) * M_PI_2;
1077  else
1078  angleEndQuadrant = (ceil(angleStart / M_PI_2) - 1.0) * M_PI_2;
1079  }
1080  else
1081  {
1082  angleStartQuadrant = angleEndQuadrant;
1083  if (clockwise)
1084  angleEndQuadrant += M_PI_2;
1085  else
1086  angleEndQuadrant -= M_PI_2;
1087  }
1088 
1089  /* Have we reached the last part of the arc? */
1090  if ((clockwise && angleEnd < angleEndQuadrant) ||
1091  (!clockwise && angleEnd > angleEndQuadrant))
1092  {
1093  /* Adjust the end angle for this quadrant */
1094  angleEndQuadrant = angleEnd;
1095  end = TRUE;
1096  }
1097 
1098  /* Add the Bezier spline to the path */
1099  PATH_DoArcPart(pPath,
1100  corners,
1101  angleStartQuadrant,
1102  angleEndQuadrant,
1103  start ? (lines == GdiTypeArcTo ? PT_LINETO : PT_MOVETO) : FALSE); // -1
1104  start = FALSE;
1105  }
1106  while (!end);
1107 
1108  if (lines == GdiTypeArcTo)
1109  {
1110  update_current_pos( pPath );
1111  }
1112  else /* chord: close figure. pie: add line and close figure */
1113  if (lines == GdiTypeChord) // 1
1114  {
1115  IntGdiCloseFigure(pPath);
1116  }
1117  else if (lines == GdiTypePie) // 2
1118  {
1119  centre.x = (corners[0].x + corners[1].x) / 2;
1120  centre.y = (corners[0].y + corners[1].y) / 2;
1121  if (!PATH_AddEntry(pPath, &centre, PT_LINETO | PT_CLOSEFIGURE))
1122  Ret = FALSE;
1123  }
1124 ArcExit:
1125  PATH_UnlockPath(pPath);
1126  return Ret;
1127 }
1128 
1129 BOOL
1130 FASTCALL
1132  PDC dc,
1133  const POINT *pts,
1134  DWORD cbPoints)
1135 {
1136  PPATH pPath;
1137  BOOL ret;
1138 
1139  ASSERT(dc);
1140  ASSERT(pts);
1141  ASSERT(cbPoints);
1142 
1143  pPath = PATH_LockPath(dc->dclevel.hPath);
1144  if (!pPath) return FALSE;
1145 
1146  ret = add_log_points_new_stroke( dc, pPath, pts, cbPoints, PT_BEZIERTO );
1147 
1148  PATH_UnlockPath(pPath);
1149  return ret;
1150 }
1151 
1152 BOOL
1153 FASTCALL
1155  PDC dc,
1156  const POINT *pts,
1157  DWORD cbPoints)
1158 {
1159  PPATH pPath;
1160  BYTE *type;
1161 
1162  ASSERT(dc);
1163  ASSERT(pts);
1164  ASSERT(cbPoints);
1165 
1166  pPath = PATH_LockPath(dc->dclevel.hPath);
1167  if (!pPath) return FALSE;
1168 
1169  type = add_log_points( dc, pPath, pts, cbPoints, PT_BEZIERTO );
1170  if (!type) return FALSE;
1171 
1172  type[0] = PT_MOVETO;
1173 
1174  PATH_UnlockPath(pPath);
1175  return TRUE;
1176 }
1177 
1178 BOOL
1179 FASTCALL
1181  PDC dc,
1182  const POINT *pts,
1183  const BYTE *types,
1184  DWORD cbPoints)
1185 {
1186  PPATH pPath;
1187  POINT orig_pos, cur_pos;
1188  ULONG i, lastmove = 0;
1189 
1190  pPath = PATH_LockPath(dc->dclevel.hPath);
1191  if (!pPath) return FALSE;
1192 
1193  if (pPath->state != PATH_Open)
1194  {
1195  PATH_UnlockPath(pPath);
1196  return FALSE;
1197  }
1198 
1199  for (i = 0; i < pPath->numEntriesUsed; i++) if (pPath->pFlags[i] == PT_MOVETO) lastmove = i;
1200  orig_pos = pPath->pos;
1201 
1202  IntGetCurrentPositionEx(dc, &cur_pos);
1203 
1204  TRACE("PPD : Current pos X %d Y %d\n",pPath->pos.x, pPath->pos.y);
1205  TRACE("PPD : last %d pos X %d Y %d\n",lastmove, pPath->pPoints[lastmove].x, pPath->pPoints[lastmove].y);
1206 
1207 
1208  for(i = 0; i < cbPoints; i++)
1209  {
1210  switch (types[i])
1211  {
1212  case PT_MOVETO:
1213  pPath->newStroke = TRUE;
1214  pPath->pos = pts[i];
1215  IntLPtoDP( dc, &pPath->pos, 1);
1216  lastmove = pPath->numEntriesUsed;
1217  break;
1218  case PT_LINETO:
1219  case PT_LINETO | PT_CLOSEFIGURE:
1220  if (!add_log_points_new_stroke( dc, pPath, &pts[i], 1, PT_LINETO ))
1221  {
1222  PATH_UnlockPath(pPath);
1223  return FALSE;
1224  }
1225  break;
1226  case PT_BEZIERTO:
1227  if ((i + 2 < cbPoints) && (types[i + 1] == PT_BEZIERTO) &&
1228  (types[i + 2] & ~PT_CLOSEFIGURE) == PT_BEZIERTO)
1229  {
1230  if (!add_log_points_new_stroke( dc, pPath, &pts[i], 3, PT_BEZIERTO ))
1231  {
1232  PATH_UnlockPath(pPath);
1233  return FALSE;
1234  }
1235  i += 2;
1236  break;
1237  }
1238  /* fall through */
1239  default:
1240  /* restore original position */
1241  pPath->pos = orig_pos;
1242 
1243  TRACE("PPD Bad : pos X %d Y %d\n",pPath->pos.x, pPath->pos.y);
1244 
1245  IntGdiMoveToEx(dc, cur_pos.x, cur_pos.y, NULL);
1246 
1247  PATH_UnlockPath(pPath);
1248  return FALSE;
1249  }
1250 
1251  if (types[i] & PT_CLOSEFIGURE)
1252  {
1253  close_figure( pPath );
1254  pPath->pos = pPath->pPoints[lastmove];
1255  TRACE("PPD close : pos X %d Y %d\n",pPath->pos.x, pPath->pos.y);
1256  }
1257  }
1258  PATH_UnlockPath(pPath);
1259  return TRUE;
1260 }
1261 
1262 BOOL
1263 FASTCALL
1265  PDC dc,
1266  const POINT *pts,
1267  DWORD cbPoints)
1268 {
1269  PPATH pPath;
1270  BOOL ret;
1271 
1272  ASSERT(dc);
1273  ASSERT(pts);
1274  ASSERT(cbPoints);
1275 
1276  if (cbPoints < 1) return FALSE;
1277 
1278  pPath = PATH_LockPath(dc->dclevel.hPath);
1279  if (!pPath) return FALSE;
1280 
1281  ret = add_log_points_new_stroke( dc, pPath, pts, cbPoints, PT_LINETO );
1282  PATH_UnlockPath(pPath);
1283  return ret;
1284 }
1285 
1286 BOOL
1287 FASTCALL
1289  PDC dc,
1290  const POINT* pts,
1291  const INT* counts,
1292  UINT polygons)
1293 {
1294  UINT poly, count;
1295  BYTE *type;
1296  PPATH pPath;
1297 
1298  ASSERT(dc);
1299  ASSERT(pts);
1300  ASSERT(counts);
1301  ASSERT(polygons);
1302 
1303  if (!polygons) return FALSE;
1304 
1305  pPath = PATH_LockPath(dc->dclevel.hPath);
1306  if (!pPath) return FALSE;
1307 
1308 
1309  for (poly = count = 0; poly < polygons; poly++)
1310  {
1311  if (counts[poly] < 2)
1312  {
1313  PATH_UnlockPath(pPath);
1314  return FALSE;
1315  }
1316  count += counts[poly];
1317  }
1318 
1319  type = add_log_points( dc, pPath, pts, count, PT_LINETO );
1320  if (!type)
1321  {
1322  PATH_UnlockPath(pPath);
1323  return FALSE;
1324  }
1325 
1326  /* make the first point of each polyline a PT_MOVETO, and close the last one */
1327  for (poly = 0; poly < polygons; type += counts[poly++])
1328  {
1329  type[0] = PT_MOVETO;
1330  type[counts[poly] - 1] = PT_LINETO | PT_CLOSEFIGURE;
1331  }
1332  PATH_UnlockPath(pPath);
1333  return TRUE;
1334 }
1335 
1336 BOOL
1337 FASTCALL
1339  PDC dc,
1340  const POINT* pts,
1341  const DWORD* counts,
1342  DWORD polylines)
1343 {
1344  POINT pt;
1345  ULONG poly, point, i;
1346  PPATH pPath;
1347 
1348  ASSERT(dc);
1349  ASSERT(pts);
1350  ASSERT(counts);
1351  ASSERT(polylines);
1352 
1353  pPath = PATH_LockPath(dc->dclevel.hPath);
1354  if (!pPath)
1355  {
1356  return FALSE;
1357  }
1358 
1359  for (i = 0, poly = 0; poly < polylines; poly++)
1360  {
1361  for (point = 0; point < counts[poly]; point++, i++)
1362  {
1363  pt = pts[i];
1364  CoordLPtoDP(dc, &pt);
1365  PATH_AddEntry(pPath, &pt, (point == 0) ? PT_MOVETO : PT_LINETO);
1366  }
1367  }
1368  TRACE("PATH_PolyPolyline end count %d\n",pPath->numEntriesUsed);
1369  PATH_UnlockPath(pPath);
1370  return TRUE;
1371 }
1372 
1373 /* PATH_AddFlatBezier
1374  *
1375  */
1376 BOOL
1377 FASTCALL
1379  PPATH pPath,
1380  POINT *pt,
1381  BOOL closed)
1382 {
1383  POINT *pts;
1384  BOOL ret = FALSE;
1385  INT no, i;
1386 
1387  pts = GDI_Bezier(pt, 4, &no);
1388  if (!pts) return FALSE;
1389 
1390  for (i = 1; i < no; i++)
1391  {
1392  if (!(ret = PATH_AddEntry(pPath, &pts[i], (i == no - 1 && closed) ? PT_LINETO | PT_CLOSEFIGURE : PT_LINETO)))
1393  break;
1394  }
1395 
1397  return ret;
1398 }
1399 
1400 /* PATH_FlattenPath
1401  *
1402  * Replaces Beziers with line segments
1403  *
1404  */
1405 PPATH
1406 FASTCALL
1408 {
1409  PPATH newPath;
1410  INT srcpt;
1411  TRACE("PATH_FlattenPath\n");
1412  if (!(newPath = PATH_CreatePath(pPath->numEntriesUsed))) return NULL;
1413 
1414  for (srcpt = 0; srcpt < pPath->numEntriesUsed; srcpt++)
1415  {
1416  switch(pPath->pFlags[srcpt] & ~PT_CLOSEFIGURE)
1417  {
1418  case PT_MOVETO:
1419  case PT_LINETO:
1420  if (!PATH_AddEntry(newPath, &pPath->pPoints[srcpt], pPath->pFlags[srcpt]))
1421  {
1422  PATH_UnlockPath(newPath);
1423  PATH_Delete(newPath->BaseObject.hHmgr);
1424  return NULL;
1425  }
1426  break;
1427  case PT_BEZIERTO:
1428  if(!PATH_AddFlatBezier(newPath, &pPath->pPoints[srcpt - 1], pPath->pFlags[srcpt + 2] & PT_CLOSEFIGURE))
1429  {
1430  PATH_UnlockPath(newPath);
1431  PATH_Delete(newPath->BaseObject.hHmgr);
1432  return NULL;
1433  }
1434  srcpt += 2;
1435  break;
1436  }
1437  }
1438  TRACE("PATH_FlattenPath good\n");
1439  newPath->state = pPath->state;
1440  return newPath;
1441 }
1442 
1443 /* PATH_PathToRegion
1444  *
1445  * Creates a region from the specified path using the specified polygon
1446  * filling mode. The path is left unchanged. A handle to the region that
1447  * was created is stored in *pHrgn.
1448  */
1449 BOOL
1450 FASTCALL
1452  PPATH pPath,
1453  INT Mode,
1454  PREGION Rgn)
1455 {
1456  int i, pos, polygons;
1457  PULONG counts;
1458  int Ret;
1459 
1460  if (!pPath->numEntriesUsed) return FALSE;
1461 
1462  counts = ExAllocatePoolWithTag(PagedPool, (pPath->numEntriesUsed / 2) * sizeof(counts), TAG_PATH);
1463  if (!counts)
1464  {
1465  ERR("Failed to allocate %lu strokes\n", (pPath->numEntriesUsed / 2) * sizeof(*counts));
1467  return FALSE;
1468  }
1469 
1470  pos = polygons = 0;
1471  ASSERT( pPath->pFlags[0] == PT_MOVETO );
1472  for (i = 1; i < pPath->numEntriesUsed; i++)
1473  {
1474  if (pPath->pFlags[i] != PT_MOVETO) continue;
1475  counts[polygons++] = i - pos;
1476  pos = i;
1477  }
1478  if (i > pos + 1) counts[polygons++] = i - pos;
1479 
1480  ASSERT( polygons <= pPath->numEntriesUsed / 2 );
1481 
1482  /* Fill the region with the strokes */
1483  Ret = REGION_SetPolyPolygonRgn(Rgn,
1484  pPath->pPoints,
1485  counts,
1486  polygons,
1487  Mode);
1488  if (!Ret)
1489  {
1490  ERR("REGION_SetPolyPolygonRgn failed\n");
1491  }
1492 
1493  ExFreePoolWithTag(counts, TAG_PATH);
1494 
1495  /* Success! */
1496  return Ret;
1497 }
1498 
1499 /* PATH_FillPath
1500  *
1501  * You can play with this as long as you like, but if you break Area.exe the purge will Begain on Path!!!
1502  *
1503  */
1504 BOOL
1505 FASTCALL
1507  PDC dc,
1508  PPATH pPath)
1509 {
1510  return PATH_FillPathEx(dc, pPath, NULL);
1511 }
1512 
1513 BOOL
1514 FASTCALL
1516  PDC dc,
1517  PPATH pPath,
1518  PBRUSH pbrFill)
1519 {
1520  INT mapMode, graphicsMode;
1521  SIZE ptViewportExt, ptWindowExt;
1522  POINTL ptViewportOrg, ptWindowOrg;
1523  XFORML xform;
1524  PREGION Rgn;
1525  PDC_ATTR pdcattr = dc->pdcattr;
1526 
1527  /* Allocate a temporary region */
1528  Rgn = IntSysCreateRectpRgn(0, 0, 0, 0);
1529  if (!Rgn)
1530  {
1532  return FALSE;
1533  }
1534 
1535  if (!PATH_PathToRegion(pPath, pdcattr->jFillMode, Rgn))
1536  {
1537  TRACE("PFP : Fail P2R\n");
1538  /* EngSetLastError ? */
1539  REGION_Delete(Rgn);
1540  return FALSE;
1541  }
1542 
1543  /* Since PaintRgn interprets the region as being in logical coordinates
1544  * but the points we store for the path are already in device
1545  * coordinates, we have to set the mapping mode to MM_TEXT temporarily.
1546  * Using SaveDC to save information about the mapping mode / world
1547  * transform would be easier but would require more overhead, especially
1548  * now that SaveDC saves the current path.
1549  */
1550 
1551  /* Save the information about the old mapping mode */
1552  mapMode = pdcattr->iMapMode;
1553  ptViewportExt = pdcattr->szlViewportExt;
1554  ptViewportOrg = pdcattr->ptlViewportOrg;
1555  ptWindowExt = pdcattr->szlWindowExt;
1556  ptWindowOrg = pdcattr->ptlWindowOrg;
1557 
1558  /* Save world transform
1559  * NB: The Windows documentation on world transforms would lead one to
1560  * believe that this has to be done only in GM_ADVANCED; however, my
1561  * tests show that resetting the graphics mode to GM_COMPATIBLE does
1562  * not reset the world transform.
1563  */
1564  MatrixS2XForm(&xform, &dc->pdcattr->mxWorldToPage);
1565 
1566  /* Set MM_TEXT */
1568  pdcattr->ptlViewportOrg.x = 0;
1569  pdcattr->ptlViewportOrg.y = 0;
1570  pdcattr->ptlWindowOrg.x = 0;
1571  pdcattr->ptlWindowOrg.y = 0;
1572 
1573  graphicsMode = pdcattr->iGraphicsMode;
1574  pdcattr->iGraphicsMode = GM_ADVANCED;
1576  pdcattr->iGraphicsMode = graphicsMode;
1577 
1578  /* Paint the region */
1579  IntGdiFillRgn(dc, Rgn, pbrFill);
1580  REGION_Delete(Rgn);
1581  /* Restore the old mapping mode */
1582  IntGdiSetMapMode(dc, mapMode);
1583  pdcattr->szlViewportExt = ptViewportExt;
1584  pdcattr->ptlViewportOrg = ptViewportOrg;
1585  pdcattr->szlWindowExt = ptWindowExt;
1586  pdcattr->ptlWindowOrg = ptWindowOrg;
1587 
1588  /* Go to GM_ADVANCED temporarily to restore the world transform */
1589  graphicsMode = pdcattr->iGraphicsMode;
1590  pdcattr->iGraphicsMode = GM_ADVANCED;
1592  pdcattr->iGraphicsMode = graphicsMode;
1593  return TRUE;
1594 }
1595 
1596 BOOL
1597 FASTCALL
1599  DC *dc,
1600  PPATH pPath)
1601 {
1602  BOOL ret = FALSE;
1603  INT i = 0;
1604  INT nLinePts, nAlloc;
1605  POINT *pLinePts = NULL;
1606  POINT ptViewportOrg, ptWindowOrg;
1607  SIZE szViewportExt, szWindowExt;
1608  DWORD mapMode, graphicsMode;
1609  XFORM xform;
1610  PDC_ATTR pdcattr = dc->pdcattr;
1611 
1612  TRACE("Enter %s\n", __FUNCTION__);
1613 
1614  /* Save the mapping mode info */
1615  mapMode = pdcattr->iMapMode;
1616 
1617  szViewportExt = *DC_pszlViewportExt(dc);
1618  ptViewportOrg = dc->pdcattr->ptlViewportOrg;
1619  szWindowExt = dc->pdcattr->szlWindowExt;
1620  ptWindowOrg = dc->pdcattr->ptlWindowOrg;
1621 
1622  MatrixS2XForm(&xform, &dc->pdcattr->mxWorldToPage);
1623 
1624  /* Set MM_TEXT */
1625  pdcattr->iMapMode = MM_TEXT;
1626  pdcattr->ptlViewportOrg.x = 0;
1627  pdcattr->ptlViewportOrg.y = 0;
1628  pdcattr->ptlWindowOrg.x = 0;
1629  pdcattr->ptlWindowOrg.y = 0;
1630  graphicsMode = pdcattr->iGraphicsMode;
1631  pdcattr->iGraphicsMode = GM_ADVANCED;
1633  pdcattr->iGraphicsMode = graphicsMode;
1634 
1635  /* Allocate enough memory for the worst case without beziers (one PT_MOVETO
1636  * and the rest PT_LINETO with PT_CLOSEFIGURE at the end) plus some buffer
1637  * space in case we get one to keep the number of reallocations small. */
1638  nAlloc = pPath->numEntriesUsed + 1 + 300;
1639  pLinePts = ExAllocatePoolWithTag(PagedPool, nAlloc * sizeof(POINT), TAG_PATH);
1640  if (!pLinePts)
1641  {
1642  ERR("Can't allocate pool!\n");
1644  goto end;
1645  }
1646  nLinePts = 0;
1647 
1648  for (i = 0; i < pPath->numEntriesUsed; i++)
1649  {
1650  if ((i == 0 || (pPath->pFlags[i - 1] & PT_CLOSEFIGURE))
1651  && (pPath->pFlags[i] != PT_MOVETO))
1652  {
1653  ERR("Expected PT_MOVETO %s, got path flag %d\n",
1654  i == 0 ? "as first point" : "after PT_CLOSEFIGURE",
1655  (INT)pPath->pFlags[i]);
1656  goto end;
1657  }
1658 
1659  switch(pPath->pFlags[i])
1660  {
1661  case PT_MOVETO:
1662  TRACE("Got PT_MOVETO (%ld, %ld)\n",
1663  pPath->pPoints[i].x, pPath->pPoints[i].y);
1664  if (nLinePts >= 2) IntGdiPolyline(dc, pLinePts, nLinePts);
1665  nLinePts = 0;
1666  pLinePts[nLinePts++] = pPath->pPoints[i];
1667  break;
1668  case PT_LINETO:
1669  case (PT_LINETO | PT_CLOSEFIGURE):
1670  TRACE("Got PT_LINETO (%ld, %ld)\n",
1671  pPath->pPoints[i].x, pPath->pPoints[i].y);
1672  pLinePts[nLinePts++] = pPath->pPoints[i];
1673  break;
1674  case PT_BEZIERTO:
1675  TRACE("Got PT_BEZIERTO\n");
1676  if (pPath->pFlags[i + 1] != PT_BEZIERTO ||
1677  (pPath->pFlags[i + 2] & ~PT_CLOSEFIGURE) != PT_BEZIERTO)
1678  {
1679  ERR("Path didn't contain 3 successive PT_BEZIERTOs\n");
1680  ret = FALSE;
1681  goto end;
1682  }
1683  else
1684  {
1685  INT nBzrPts, nMinAlloc;
1686  POINT *pBzrPts = GDI_Bezier(&pPath->pPoints[i - 1], 4, &nBzrPts);
1687  /* Make sure we have allocated enough memory for the lines of
1688  * this bezier and the rest of the path, assuming we won't get
1689  * another one (since we won't reallocate again then). */
1690  nMinAlloc = nLinePts + (pPath->numEntriesUsed - i) + nBzrPts;
1691  if (nAlloc < nMinAlloc)
1692  {
1693  // Reallocate memory
1694 
1695  POINT *Realloc = NULL;
1696  nAlloc = nMinAlloc * 2;
1697 
1699  nAlloc * sizeof(POINT),
1700  TAG_PATH);
1701 
1702  if (!Realloc)
1703  {
1704  ERR("Can't allocate pool!\n");
1705  ExFreePoolWithTag(pBzrPts, TAG_BEZIER);
1706  goto end;
1707  }
1708 
1709  memcpy(Realloc, pLinePts, nLinePts * sizeof(POINT));
1710  ExFreePoolWithTag(pLinePts, TAG_PATH);
1711  pLinePts = Realloc;
1712  }
1713  memcpy(&pLinePts[nLinePts], &pBzrPts[1], (nBzrPts - 1) * sizeof(POINT));
1714  nLinePts += nBzrPts - 1;
1715  ExFreePoolWithTag(pBzrPts, TAG_BEZIER);
1716  i += 2;
1717  }
1718  break;
1719  default:
1720  ERR("Got path flag %d (not supported)\n", (INT)pPath->pFlags[i]);
1721  goto end;
1722  }
1723 
1724  if (pPath->pFlags[i] & PT_CLOSEFIGURE)
1725  {
1726  pLinePts[nLinePts++] = pLinePts[0];
1727  }
1728  }
1729  if (nLinePts >= 2)
1730  IntGdiPolyline(dc, pLinePts, nLinePts);
1731 
1732  ret = TRUE;
1733 
1734 end:
1735  if (pLinePts) ExFreePoolWithTag(pLinePts, TAG_PATH);
1736 
1737  /* Restore the old mapping mode */
1738  pdcattr->iMapMode = mapMode;
1739  pdcattr->szlWindowExt.cx = szWindowExt.cx;
1740  pdcattr->szlWindowExt.cy = szWindowExt.cy;
1741  pdcattr->ptlWindowOrg.x = ptWindowOrg.x;
1742  pdcattr->ptlWindowOrg.y = ptWindowOrg.y;
1743 
1744  pdcattr->szlViewportExt.cx = szViewportExt.cx;
1745  pdcattr->szlViewportExt.cy = szViewportExt.cy;
1746  pdcattr->ptlViewportOrg.x = ptViewportOrg.x;
1747  pdcattr->ptlViewportOrg.y = ptViewportOrg.y;
1748 
1749  /* Restore the world transform */
1750  XForm2MatrixS(&dc->pdcattr->mxWorldToPage, &xform);
1751 
1752  /* If we've moved the current point then get its new position
1753  which will be in device (MM_TEXT) co-ords, convert it to
1754  logical co-ords and re-set it. This basically updates
1755  dc->CurPosX|Y so that their values are in the correct mapping
1756  mode.
1757  */
1758  if (i > 0)
1759  {
1760  POINT pt;
1762  IntDPtoLP(dc, &pt, 1);
1763  IntGdiMoveToEx(dc, pt.x, pt.y, NULL);
1764  }
1765  TRACE("Leave %s, ret=%d\n", __FUNCTION__, ret);
1766  return ret;
1767 }
1768 
1769 #define round(x) ((int)((x)>0?(x)+0.5:(x)-0.5))
1770 
1772 IntGdiWidenPath(PPATH pPath, UINT penWidth, UINT penStyle, FLOAT eMiterLimit)
1773 {
1774  INT i, j, numStrokes, numOldStrokes, penWidthIn, penWidthOut;
1775  PPATH flat_path, pNewPath, *pStrokes = NULL, *pOldStrokes, pUpPath, pDownPath;
1776  BYTE *type;
1777  DWORD joint, endcap;
1778 
1779  endcap = (PS_ENDCAP_MASK & penStyle);
1780  joint = (PS_JOIN_MASK & penStyle);
1781 
1782  if (!(flat_path = PATH_FlattenPath(pPath)))
1783  {
1784  ERR("PATH_FlattenPath\n");
1785  return NULL;
1786  }
1787 
1788  penWidthIn = penWidth / 2;
1789  penWidthOut = penWidth / 2;
1790  if (penWidthIn + penWidthOut < penWidth)
1791  penWidthOut++;
1792 
1793  numStrokes = 0;
1794 
1795  for (i = 0, j = 0; i < flat_path->numEntriesUsed; i++, j++)
1796  {
1797  POINT point;
1798  if ((i == 0 || (flat_path->pFlags[i - 1] & PT_CLOSEFIGURE)) &&
1799  (flat_path->pFlags[i] != PT_MOVETO))
1800  {
1801  ERR("Expected PT_MOVETO %s, got path flag %c\n",
1802  i == 0 ? "as first point" : "after PT_CLOSEFIGURE",
1803  flat_path->pFlags[i]);
1804  if (pStrokes)
1805  ExFreePoolWithTag(pStrokes, TAG_PATH);
1806  PATH_UnlockPath(flat_path);
1807  PATH_Delete(flat_path->BaseObject.hHmgr);
1808  return NULL;
1809  }
1810  switch(flat_path->pFlags[i])
1811  {
1812  case PT_MOVETO:
1813  if (numStrokes > 0)
1814  {
1815  pStrokes[numStrokes - 1]->state = PATH_Closed;
1816  }
1817  numOldStrokes = numStrokes;
1818  numStrokes++;
1819  j = 0;
1820  if (numStrokes == 1)
1821  pStrokes = ExAllocatePoolWithTag(PagedPool, sizeof(*pStrokes), TAG_PATH);
1822  else
1823  {
1824  pOldStrokes = pStrokes; // Save old pointer.
1825  pStrokes = ExAllocatePoolWithTag(PagedPool, numStrokes * sizeof(*pStrokes), TAG_PATH);
1826  if (!pStrokes)
1827  {
1828  ExFreePoolWithTag(pOldStrokes, TAG_PATH);
1829  PATH_UnlockPath(flat_path);
1830  PATH_Delete(flat_path->BaseObject.hHmgr);
1831  return NULL;
1832  }
1833  RtlCopyMemory(pStrokes, pOldStrokes, numOldStrokes * sizeof(PPATH));
1834  ExFreePoolWithTag(pOldStrokes, TAG_PATH); // Free old pointer.
1835  }
1836  if (!pStrokes)
1837  {
1838  PATH_UnlockPath(flat_path);
1839  PATH_Delete(flat_path->BaseObject.hHmgr);
1840  return NULL;
1841  }
1842  pStrokes[numStrokes - 1] = ExAllocatePoolWithTag(PagedPool, sizeof(PATH), TAG_PATH);
1843  if (!pStrokes[numStrokes - 1])
1844  {
1845  ASSERT(FALSE); // FIXME
1846  }
1847  PATH_InitGdiPath(pStrokes[numStrokes - 1]);
1848  pStrokes[numStrokes - 1]->state = PATH_Open;
1849  case PT_LINETO:
1850  case (PT_LINETO | PT_CLOSEFIGURE):
1851  point.x = flat_path->pPoints[i].x;
1852  point.y = flat_path->pPoints[i].y;
1853  PATH_AddEntry(pStrokes[numStrokes - 1], &point, flat_path->pFlags[i]);
1854  break;
1855  case PT_BEZIERTO:
1856  /* Should never happen because of the FlattenPath call */
1857  ERR("Should never happen\n");
1858  break;
1859  default:
1860  ERR("Got path flag %c\n", flat_path->pFlags[i]);
1861  if (pStrokes)
1862  ExFreePoolWithTag(pStrokes, TAG_PATH);
1863  PATH_UnlockPath(flat_path);
1864  PATH_Delete(flat_path->BaseObject.hHmgr);
1865  return NULL;
1866  }
1867  }
1868 
1869  pNewPath = PATH_CreatePath( flat_path->numEntriesUsed );
1870 
1871  for (i = 0; i < numStrokes; i++)
1872  {
1873  pUpPath = ExAllocatePoolWithTag(PagedPool, sizeof(PATH), TAG_PATH);
1874  PATH_InitGdiPath(pUpPath);
1875  pUpPath->state = PATH_Open;
1876  pDownPath = ExAllocatePoolWithTag(PagedPool, sizeof(PATH), TAG_PATH);
1877  PATH_InitGdiPath(pDownPath);
1878  pDownPath->state = PATH_Open;
1879 
1880  for (j = 0; j < pStrokes[i]->numEntriesUsed; j++)
1881  {
1882  /* Beginning or end of the path if not closed */
1883  if ((!(pStrokes[i]->pFlags[pStrokes[i]->numEntriesUsed - 1] & PT_CLOSEFIGURE)) && (j == 0 || j == pStrokes[i]->numEntriesUsed - 1))
1884  {
1885  /* Compute segment angle */
1886  INT xo, yo, xa, ya;
1887  double theta;
1888  POINT pt;
1889  POINT corners[2];
1890  if (j == 0)
1891  {
1892  xo = pStrokes[i]->pPoints[j].x;
1893  yo = pStrokes[i]->pPoints[j].y;
1894  xa = pStrokes[i]->pPoints[1].x;
1895  ya = pStrokes[i]->pPoints[1].y;
1896  }
1897  else
1898  {
1899  xa = pStrokes[i]->pPoints[j - 1].x;
1900  ya = pStrokes[i]->pPoints[j - 1].y;
1901  xo = pStrokes[i]->pPoints[j].x;
1902  yo = pStrokes[i]->pPoints[j].y;
1903  }
1904  theta = atan2(ya - yo, xa - xo);
1905  switch(endcap)
1906  {
1907  case PS_ENDCAP_SQUARE :
1908  pt.x = xo + round(sqrt(2) * penWidthOut * cos(M_PI_4 + theta));
1909  pt.y = yo + round(sqrt(2) * penWidthOut * sin(M_PI_4 + theta));
1910  PATH_AddEntry(pUpPath, &pt, (j == 0 ? PT_MOVETO : PT_LINETO));
1911  pt.x = xo + round(sqrt(2) * penWidthIn * cos(- M_PI_4 + theta));
1912  pt.y = yo + round(sqrt(2) * penWidthIn * sin(- M_PI_4 + theta));
1913  PATH_AddEntry(pUpPath, &pt, PT_LINETO);
1914  break;
1915  case PS_ENDCAP_FLAT :
1916  pt.x = xo + round(penWidthOut * cos(theta + M_PI_2));
1917  pt.y = yo + round(penWidthOut * sin(theta + M_PI_2));
1918  PATH_AddEntry(pUpPath, &pt, (j == 0 ? PT_MOVETO : PT_LINETO));
1919  pt.x = xo - round(penWidthIn * cos(theta + M_PI_2));
1920  pt.y = yo - round(penWidthIn * sin(theta + M_PI_2));
1921  PATH_AddEntry(pUpPath, &pt, PT_LINETO);
1922  break;
1923  case PS_ENDCAP_ROUND :
1924  default :
1925  corners[0].x = xo - penWidthIn;
1926  corners[0].y = yo - penWidthIn;
1927  corners[1].x = xo + penWidthOut;
1928  corners[1].y = yo + penWidthOut;
1929  PATH_DoArcPart(pUpPath , corners, theta + M_PI_2 , theta + 3 * M_PI_4, (j == 0 ? PT_MOVETO : FALSE));
1930  PATH_DoArcPart(pUpPath , corners, theta + 3 * M_PI_4 , theta + M_PI, FALSE);
1931  PATH_DoArcPart(pUpPath , corners, theta + M_PI, theta + 5 * M_PI_4, FALSE);
1932  PATH_DoArcPart(pUpPath , corners, theta + 5 * M_PI_4 , theta + 3 * M_PI_2, FALSE);
1933  break;
1934  }
1935  }
1936  /* Corpse of the path */
1937  else
1938  {
1939  /* Compute angle */
1940  INT previous, next;
1941  double xa, ya, xb, yb, xo, yo;
1942  double alpha, theta, miterWidth;
1943  DWORD _joint = joint;
1944  POINT pt;
1945  PPATH pInsidePath, pOutsidePath;
1946  if (j > 0 && j < pStrokes[i]->numEntriesUsed - 1)
1947  {
1948  previous = j - 1;
1949  next = j + 1;
1950  }
1951  else if (j == 0)
1952  {
1953  previous = pStrokes[i]->numEntriesUsed - 1;
1954  next = j + 1;
1955  }
1956  else
1957  {
1958  previous = j - 1;
1959  next = 0;
1960  }
1961  xo = pStrokes[i]->pPoints[j].x;
1962  yo = pStrokes[i]->pPoints[j].y;
1963  xa = pStrokes[i]->pPoints[previous].x;
1964  ya = pStrokes[i]->pPoints[previous].y;
1965  xb = pStrokes[i]->pPoints[next].x;
1966  yb = pStrokes[i]->pPoints[next].y;
1967  theta = atan2(yo - ya, xo - xa);
1968  alpha = atan2(yb - yo, xb - xo) - theta;
1969  if (alpha > 0) alpha -= M_PI;
1970  else alpha += M_PI;
1971  if (_joint == PS_JOIN_MITER && eMiterLimit < fabs(1 / sin(alpha / 2)))
1972  {
1973  _joint = PS_JOIN_BEVEL;
1974  }
1975  if (alpha > 0)
1976  {
1977  pInsidePath = pUpPath;
1978  pOutsidePath = pDownPath;
1979  }
1980  else if (alpha < 0)
1981  {
1982  pInsidePath = pDownPath;
1983  pOutsidePath = pUpPath;
1984  }
1985  else
1986  {
1987  continue;
1988  }
1989  /* Inside angle points */
1990  if (alpha > 0)
1991  {
1992  pt.x = xo - round(penWidthIn * cos(theta + M_PI_2));
1993  pt.y = yo - round(penWidthIn * sin(theta + M_PI_2));
1994  }
1995  else
1996  {
1997  pt.x = xo + round(penWidthIn * cos(theta + M_PI_2));
1998  pt.y = yo + round(penWidthIn * sin(theta + M_PI_2));
1999  }
2000  PATH_AddEntry(pInsidePath, &pt, PT_LINETO);
2001  if (alpha > 0)
2002  {
2003  pt.x = xo + round(penWidthIn * cos(M_PI_2 + alpha + theta));
2004  pt.y = yo + round(penWidthIn * sin(M_PI_2 + alpha + theta));
2005  }
2006  else
2007  {
2008  pt.x = xo - round(penWidthIn * cos(M_PI_2 + alpha + theta));
2009  pt.y = yo - round(penWidthIn * sin(M_PI_2 + alpha + theta));
2010  }
2011  PATH_AddEntry(pInsidePath, &pt, PT_LINETO);
2012  /* Outside angle point */
2013  switch(_joint)
2014  {
2015  case PS_JOIN_MITER :
2016  miterWidth = fabs(penWidthOut / cos(M_PI_2 - fabs(alpha) / 2));
2017  pt.x = xo + round(miterWidth * cos(theta + alpha / 2));
2018  pt.y = yo + round(miterWidth * sin(theta + alpha / 2));
2019  PATH_AddEntry(pOutsidePath, &pt, PT_LINETO);
2020  break;
2021  case PS_JOIN_BEVEL :
2022  if (alpha > 0)
2023  {
2024  pt.x = xo + round(penWidthOut * cos(theta + M_PI_2));
2025  pt.y = yo + round(penWidthOut * sin(theta + M_PI_2));
2026  }
2027  else
2028  {
2029  pt.x = xo - round(penWidthOut * cos(theta + M_PI_2));
2030  pt.y = yo - round(penWidthOut * sin(theta + M_PI_2));
2031  }
2032  PATH_AddEntry(pOutsidePath, &pt, PT_LINETO);
2033  if (alpha > 0)
2034  {
2035  pt.x = xo - round(penWidthOut * cos(M_PI_2 + alpha + theta));
2036  pt.y = yo - round(penWidthOut * sin(M_PI_2 + alpha + theta));
2037  }
2038  else
2039  {
2040  pt.x = xo + round(penWidthOut * cos(M_PI_2 + alpha + theta));
2041  pt.y = yo + round(penWidthOut * sin(M_PI_2 + alpha + theta));
2042  }
2043  PATH_AddEntry(pOutsidePath, &pt, PT_LINETO);
2044  break;
2045  case PS_JOIN_ROUND :
2046  default :
2047  if (alpha > 0)
2048  {
2049  pt.x = xo + round(penWidthOut * cos(theta + M_PI_2));
2050  pt.y = yo + round(penWidthOut * sin(theta + M_PI_2));
2051  }
2052  else
2053  {
2054  pt.x = xo - round(penWidthOut * cos(theta + M_PI_2));
2055  pt.y = yo - round(penWidthOut * sin(theta + M_PI_2));
2056  }
2057  PATH_AddEntry(pOutsidePath, &pt, PT_BEZIERTO);
2058  pt.x = xo + round(penWidthOut * cos(theta + alpha / 2));
2059  pt.y = yo + round(penWidthOut * sin(theta + alpha / 2));
2060  PATH_AddEntry(pOutsidePath, &pt, PT_BEZIERTO);
2061  if (alpha > 0)
2062  {
2063  pt.x = xo - round(penWidthOut * cos(M_PI_2 + alpha + theta));
2064  pt.y = yo - round(penWidthOut * sin(M_PI_2 + alpha + theta));
2065  }
2066  else
2067  {
2068  pt.x = xo + round(penWidthOut * cos(M_PI_2 + alpha + theta));
2069  pt.y = yo + round(penWidthOut * sin(M_PI_2 + alpha + theta));
2070  }
2071  PATH_AddEntry(pOutsidePath, &pt, PT_BEZIERTO);
2072  break;
2073  }
2074  }
2075  }
2076  type = add_points( pNewPath, pUpPath->pPoints, pUpPath->numEntriesUsed, PT_LINETO );
2077  type[0] = PT_MOVETO;
2078  reverse_points( pDownPath->pPoints, pDownPath->numEntriesUsed );
2079  type = add_points( pNewPath, pDownPath->pPoints, pDownPath->numEntriesUsed, PT_LINETO );
2080  if (pStrokes[i]->pFlags[pStrokes[i]->numEntriesUsed - 1] & PT_CLOSEFIGURE) type[0] = PT_MOVETO;
2081 
2082  PATH_DestroyGdiPath(pStrokes[i]);
2083  ExFreePoolWithTag(pStrokes[i], TAG_PATH);
2084  PATH_DestroyGdiPath(pUpPath);
2085  ExFreePoolWithTag(pUpPath, TAG_PATH);
2086  PATH_DestroyGdiPath(pDownPath);
2087  ExFreePoolWithTag(pDownPath, TAG_PATH);
2088  }
2089  if (pStrokes) ExFreePoolWithTag(pStrokes, TAG_PATH);
2090 
2091  PATH_UnlockPath(flat_path);
2092  PATH_Delete(flat_path->BaseObject.hHmgr);
2093  pNewPath->state = PATH_Closed;
2094  PATH_UnlockPath(pNewPath);
2095  return pNewPath;
2096 }
2097 
2098 static
2099 PPATH
2100 FASTCALL
2102 {
2103  INT size;
2104  UINT penWidth, penStyle;
2105  DWORD obj_type;
2106  PPATH pPath, pNewPath;
2107  LPEXTLOGPEN elp;
2108  PDC_ATTR pdcattr = dc->pdcattr;
2109 
2110  pPath = PATH_LockPath(dc->dclevel.hPath);
2111  if (!pPath)
2112  {
2114  return NULL;
2115  }
2116 
2117  if (pPath->state != PATH_Closed)
2118  {
2119  TRACE("PWP 1\n");
2120  PATH_UnlockPath(pPath);
2122  return NULL;
2123  }
2124 
2125  size = GreGetObject(pdcattr->hpen, 0, NULL);
2126  if (!size)
2127  {
2128  TRACE("PWP 2\n");
2129  PATH_UnlockPath(pPath);
2131  return NULL;
2132  }
2133 
2135  if (elp == NULL)
2136  {
2137  TRACE("PWP 3\n");
2138  PATH_UnlockPath(pPath);
2140  return NULL;
2141  }
2142 
2143  GreGetObject(pdcattr->hpen, size, elp);
2144 
2145  obj_type = GDI_HANDLE_GET_TYPE(pdcattr->hpen);
2146  if (obj_type == GDI_OBJECT_TYPE_PEN)
2147  {
2148  penStyle = ((LOGPEN*)elp)->lopnStyle;
2149  }
2150  else if (obj_type == GDI_OBJECT_TYPE_EXTPEN)
2151  {
2152  penStyle = elp->elpPenStyle;
2153  }
2154  else
2155  {
2156  TRACE("PWP 4\n");
2159  PATH_UnlockPath(pPath);
2160  return NULL;
2161  }
2162 
2163  penWidth = elp->elpWidth;
2165 
2166  /* The function cannot apply to cosmetic pens */
2167  if (obj_type == GDI_OBJECT_TYPE_EXTPEN &&
2168  (PS_TYPE_MASK & penStyle) == PS_COSMETIC)
2169  {
2170  TRACE("PWP 5\n");
2171  PATH_UnlockPath(pPath);
2173  return FALSE;
2174  }
2175 
2176  pNewPath = IntGdiWidenPath(pPath, penWidth, penStyle, dc->dclevel.laPath.eMiterLimit);
2177  PATH_UnlockPath(pPath);
2178  return pNewPath;
2179 }
2180 
2181 static inline INT int_from_fixed(FIXED f)
2182 {
2183  return (f.fract >= 0x8000) ? (f.value + 1) : f.value;
2184 }
2185 
2186 /**********************************************************************
2187  * PATH_BezierTo
2188  *
2189  * Internally used by PATH_add_outline
2190  */
2191 static
2192 VOID
2193 FASTCALL
2195  PPATH pPath,
2196  POINT *lppt,
2197  INT n)
2198 {
2199  if (n < 2) return;
2200 
2201  if (n == 2)
2202  {
2203  PATH_AddEntry(pPath, &lppt[1], PT_LINETO);
2204  }
2205  else if (n == 3)
2206  {
2207  add_points( pPath, lppt, 3, PT_BEZIERTO );
2208  }
2209  else
2210  {
2211  POINT pt[3];
2212  INT i = 0;
2213 
2214  pt[2] = lppt[0];
2215  n--;
2216 
2217  while (n > 2)
2218  {
2219  pt[0] = pt[2];
2220  pt[1] = lppt[i + 1];
2221  pt[2].x = (lppt[i + 2].x + lppt[i + 1].x) / 2;
2222  pt[2].y = (lppt[i + 2].y + lppt[i + 1].y) / 2;
2223  add_points( pPath, pt, 3, PT_BEZIERTO );
2224  n--;
2225  i++;
2226  }
2227 
2228  pt[0] = pt[2];
2229  pt[1] = lppt[i + 1];
2230  pt[2] = lppt[i + 2];
2231  add_points( pPath, pt, 3, PT_BEZIERTO );
2232  }
2233 }
2234 
2235 static
2236 BOOL
2237 FASTCALL
2239  PDC dc,
2240  PPATH pPath,
2241  INT x,
2242  INT y,
2244  DWORD size)
2245 {
2247  POINT pt;
2248  BOOL bResult = FALSE;
2249 
2250  start = header;
2251 
2252  while ((char *)header < (char *)start + size)
2253  {
2254  TTPOLYCURVE *curve;
2255 
2256  if (header->dwType != TT_POLYGON_TYPE)
2257  {
2258  ERR("Unknown header type %lu\n", header->dwType);
2259  goto cleanup;
2260  }
2261 
2262  pt.x = x + int_from_fixed(header->pfxStart.x);
2263  pt.y = y - int_from_fixed(header->pfxStart.y);
2264  PATH_AddEntry(pPath, &pt, PT_MOVETO);
2265 
2266  curve = (TTPOLYCURVE *)(header + 1);
2267 
2268  while ((char *)curve < (char *)header + header->cb)
2269  {
2270  TRACE("curve->wType %d\n", curve->wType);
2271 
2272  switch(curve->wType)
2273  {
2274  case TT_PRIM_LINE:
2275  {
2276  WORD i;
2277 
2278  for (i = 0; i < curve->cpfx; i++)
2279  {
2280  pt.x = x + int_from_fixed(curve->apfx[i].x);
2281  pt.y = y - int_from_fixed(curve->apfx[i].y);
2282  PATH_AddEntry(pPath, &pt, PT_LINETO);
2283  }
2284  break;
2285  }
2286 
2287  case TT_PRIM_QSPLINE:
2288  case TT_PRIM_CSPLINE:
2289  {
2290  WORD i;
2291  POINTFX ptfx;
2292  POINT *pts = ExAllocatePoolWithTag(PagedPool, (curve->cpfx + 1) * sizeof(POINT), TAG_PATH);
2293 
2294  if (!pts) goto cleanup;
2295 
2296  ptfx = *(POINTFX *)((char *)curve - sizeof(POINTFX));
2297 
2298  pts[0].x = x + int_from_fixed(ptfx.x);
2299  pts[0].y = y - int_from_fixed(ptfx.y);
2300 
2301  for (i = 0; i < curve->cpfx; i++)
2302  {
2303  pts[i + 1].x = x + int_from_fixed(curve->apfx[i].x);
2304  pts[i + 1].y = y - int_from_fixed(curve->apfx[i].y);
2305  }
2306 
2307  PATH_BezierTo(pPath, pts, curve->cpfx + 1);
2308 
2310  break;
2311  }
2312 
2313  default:
2314  ERR("Unknown curve type %04x\n", curve->wType);
2315  goto cleanup;
2316  }
2317 
2318  curve = (TTPOLYCURVE *)&curve->apfx[curve->cpfx];
2319  }
2320  header = (TTPOLYGONHEADER *)((char *)header + header->cb);
2321  }
2322 
2323  bResult = TRUE;
2324 
2325 cleanup:
2326  IntGdiCloseFigure(pPath);
2327  return bResult;
2328 }
2329 
2330 /**********************************************************************
2331  * PATH_ExtTextOut
2332  */
2333 BOOL
2334 FASTCALL
2336  PDC dc,
2337  INT x,
2338  INT y,
2339  UINT flags,
2340  const RECTL *lprc,
2341  LPCWSTR str,
2342  UINT count,
2343  const INT *dx)
2344 {
2345  PPATH pPath;
2346  unsigned int idx, ggo_flags = GGO_NATIVE;
2347  POINT offset = {0, 0};
2348 
2349  pPath = PATH_LockPath(dc->dclevel.hPath);
2350  if (!pPath)
2351  {
2352  return FALSE;
2353  }
2354 
2355  if (pPath->state != PATH_Open)
2356  {
2357  ERR("PATH_ExtTextOut not open\n");
2358  return FALSE;
2359  }
2360 
2361  if (!count) return TRUE;
2362  if (flags & ETO_GLYPH_INDEX) ggo_flags |= GGO_GLYPH_INDEX;
2363 
2364  for (idx = 0; idx < count; idx++)
2365  {
2366  MAT2 identity = { {0, 1}, {0, 0}, {0, 0}, {0, 1} };
2367  GLYPHMETRICS gm;
2368  DWORD dwSize;
2369  void *outline;
2370 
2372  str[idx],
2373  ggo_flags,
2374  &gm,
2375  0,
2376  NULL,
2377  &identity,
2378  TRUE);
2379  if (dwSize == GDI_ERROR)
2380  {
2381  PATH_UnlockPath(pPath);
2382  return FALSE;
2383  }
2384 
2385  /* Add outline only if char is printable */
2386  if (dwSize)
2387  {
2389  if (!outline)
2390  {
2391  PATH_UnlockPath(pPath);
2392  return FALSE;
2393  }
2394 
2396  str[idx],
2397  ggo_flags,
2398  &gm,
2399  dwSize,
2400  outline,
2401  &identity,
2402  TRUE);
2403 
2404  PATH_add_outline(dc, pPath, x + offset.x, y + offset.y, outline, dwSize);
2405 
2407  }
2408 
2409  if (dx)
2410  {
2411  if (flags & ETO_PDY)
2412  {
2413  offset.x += dx[idx * 2];
2414  offset.y += dx[idx * 2 + 1];
2415  }
2416  else
2417  offset.x += dx[idx];
2418  }
2419  else
2420  {
2421  offset.x += gm.gmCellIncX;
2422  offset.y += gm.gmCellIncY;
2423  }
2424  }
2425  PATH_UnlockPath(pPath);
2426  return TRUE;
2427 }
2428 
2429 
2430 /***********************************************************************
2431  * Exported functions
2432  */
2433 
2434 BOOL
2435 APIENTRY
2437 {
2438  PDC dc = DC_LockDc(hDC);
2439  if (!dc)
2440  {
2442  return FALSE;
2443  }
2444 
2445  if (!dc->dclevel.hPath)
2446  {
2447  DC_UnlockDc(dc);
2448  return TRUE;
2449  }
2450 
2451  if (!PATH_Delete(dc->dclevel.hPath))
2452  {
2453  DC_UnlockDc(dc);
2454  return FALSE;
2455  }
2456 
2457  dc->dclevel.hPath = 0;
2458  dc->dclevel.flPath &= ~DCPATH_ACTIVE;
2459 
2460  DC_UnlockDc(dc);
2461  return TRUE;
2462 }
2463 
2464 BOOL
2465 APIENTRY
2467 {
2468  PPATH pPath;
2469  PDC dc;
2470 
2471  dc = DC_LockDc(hDC);
2472  if (!dc)
2473  {
2475  return FALSE;
2476  }
2477 
2478  /* If path is already open, do nothing. Check if not Save DC state */
2479  if ((dc->dclevel.flPath & DCPATH_ACTIVE) && !(dc->dclevel.flPath & DCPATH_SAVE))
2480  {
2481  DC_UnlockDc(dc);
2482  return TRUE;
2483  }
2484 
2485  if (dc->dclevel.hPath)
2486  {
2487  TRACE("BeginPath 1 0x%p\n", dc->dclevel.hPath);
2488  if (!(dc->dclevel.flPath & DCPATH_SAVE))
2489  {
2490  // Remove previous handle.
2491  if (!PATH_Delete(dc->dclevel.hPath))
2492  {
2493  DC_UnlockDc(dc);
2494  return FALSE;
2495  }
2496  }
2497  else
2498  {
2499  // Clear flags and Handle.
2500  dc->dclevel.flPath &= ~(DCPATH_SAVE | DCPATH_ACTIVE);
2501  dc->dclevel.hPath = NULL;
2502  }
2503  }
2505  dc->dclevel.flPath |= DCPATH_ACTIVE; // Set active ASAP!
2506  dc->dclevel.hPath = pPath->BaseObject.hHmgr;
2507  IntGetCurrentPositionEx(dc, &pPath->pos);
2508  IntLPtoDP( dc, &pPath->pos, 1 );
2509  TRACE("BP : Current pos X %d Y %d\n",pPath->pos.x, pPath->pos.y);
2510  PATH_UnlockPath(pPath);
2511  DC_UnlockDc(dc);
2512 
2513  if (!pPath)
2514  {
2515  return FALSE;
2516  }
2517  return TRUE;
2518 }
2519 
2520 BOOL
2521 APIENTRY
2523 {
2524  BOOL Ret = FALSE; // Default to failure
2525  PDC pDc;
2526  PPATH pPath;
2527 
2528  TRACE("Enter %s\n", __FUNCTION__);
2529 
2530  pDc = DC_LockDc(hDC);
2531  if (!pDc)
2532  {
2534  return FALSE;
2535  }
2536 
2537  pPath = PATH_LockPath(pDc->dclevel.hPath);
2538  if (!pPath)
2539  {
2540  DC_UnlockDc(pDc);
2541  return FALSE;
2542  }
2543 
2544  if (pPath->state == PATH_Open)
2545  {
2546  IntGdiCloseFigure(pPath);
2547  Ret = TRUE;
2548  }
2549  else
2550  {
2552  }
2553 
2554  PATH_UnlockPath(pPath);
2555  DC_UnlockDc(pDc);
2556  return Ret;
2557 }
2558 
2559 BOOL
2560 APIENTRY
2562 {
2563  BOOL ret = TRUE;
2564  PPATH pPath;
2565  PDC dc;
2566 
2567  dc = DC_LockDc(hDC);
2568  if (!dc)
2569  {
2571  return FALSE;
2572  }
2573 
2574  pPath = PATH_LockPath(dc->dclevel.hPath);
2575  if (!pPath)
2576  {
2577  DC_UnlockDc(dc);
2578  return FALSE;
2579  }
2580 
2581  /* Check that path is currently being constructed */
2582  if ((pPath->state != PATH_Open) || !(dc->dclevel.flPath & DCPATH_ACTIVE))
2583  {
2584  TRACE("EndPath ERROR! 0x%p\n", dc->dclevel.hPath);
2586  ret = FALSE;
2587  }
2588  /* Set flag to indicate that path is finished */
2589  else
2590  {
2591  TRACE("EndPath 0x%p\n", dc->dclevel.hPath);
2592  pPath->state = PATH_Closed;
2593  dc->dclevel.flPath &= ~DCPATH_ACTIVE;
2594  }
2595 
2596  PATH_UnlockPath(pPath);
2597  DC_UnlockDc(dc);
2598  return ret;
2599 }
2600 
2601 BOOL
2602 APIENTRY
2604 {
2605  BOOL ret = FALSE;
2606  PPATH pPath, pNewPath;
2607  PDC_ATTR pdcattr;
2608  PDC dc;
2609 
2610  dc = DC_LockDc(hDC);
2611  if (!dc)
2612  {
2614  return FALSE;
2615  }
2616 
2617  pPath = PATH_LockPath(dc->dclevel.hPath);
2618  if (!pPath)
2619  {
2620  DC_UnlockDc(dc);
2621  return FALSE;
2622  }
2623 
2625 
2626  pdcattr = dc->pdcattr;
2627 
2628  if (pdcattr->ulDirty_ & (DIRTY_LINE | DC_PEN_DIRTY))
2630 
2631  if (pdcattr->ulDirty_ & (DIRTY_FILL | DC_BRUSH_DIRTY))
2633 
2634  pNewPath = PATH_FlattenPath(pPath);
2635 
2636  if (pNewPath->state != PATH_Closed)
2637  {
2639  }
2640  else if (pNewPath->numEntriesUsed)
2641  {
2642  ret = PATH_FillPath(dc, pNewPath);
2643  }
2644  else ret = TRUE;
2645 
2646  PATH_UnlockPath(pNewPath);
2647  PATH_Delete(pNewPath->BaseObject.hHmgr);
2648 
2649  PATH_UnlockPath(pPath);
2650  PATH_Delete(pPath->BaseObject.hHmgr);
2651  dc->dclevel.hPath = 0;
2652  dc->dclevel.flPath &= ~DCPATH_ACTIVE;
2653 
2655  DC_UnlockDc(dc);
2656  return ret;
2657 }
2658 
2659 BOOL
2660 APIENTRY
2662 {
2663  BOOL Ret = FALSE;
2664  DC *pDc;
2665  PPATH pPath, pNewPath = NULL;
2666 
2667  TRACE("Enter %s\n", __FUNCTION__);
2668 
2669  pDc = DC_LockDc(hDC);
2670  if (!pDc)
2671  {
2673  return FALSE;
2674  }
2675 
2676  pPath = PATH_LockPath(pDc->dclevel.hPath);
2677  if (!pPath)
2678  {
2680  DC_UnlockDc(pDc);
2681  return FALSE;
2682  }
2683 
2684  if (pPath->state == PATH_Closed)
2685  {
2686  pNewPath = PATH_FlattenPath(pPath);
2687  }
2688 
2689  PATH_UnlockPath(pPath);
2690 
2691  if (pNewPath)
2692  {
2693  PATH_Delete(pDc->dclevel.hPath);
2694  pDc->dclevel.hPath = pNewPath->BaseObject.hHmgr;
2695  PATH_UnlockPath(pNewPath);
2696  Ret = TRUE;
2697  }
2698 
2699  DC_UnlockDc(pDc);
2700  return Ret;
2701 }
2702 
2703 _Success_(return != FALSE)
2704 BOOL
2705 APIENTRY
2706 NtGdiGetMiterLimit(
2707  _In_ HDC hdc,
2709 {
2710  DC *pDc;
2711  BOOL bResult = TRUE;
2712 
2713  if (!(pDc = DC_LockDc(hdc)))
2714  {
2716  return FALSE;
2717  }
2718 
2719  _SEH2_TRY
2720  {
2721  ProbeForWrite(pdwOut, sizeof(DWORD), 1);
2722  *pdwOut = pDc->dclevel.laPath.eMiterLimit;
2723  }
2725  {
2727  bResult = FALSE;
2728  }
2729  _SEH2_END;
2730 
2731  DC_UnlockDc(pDc);
2732  return bResult;
2733 
2734 }
2735 
2736 INT
2737 APIENTRY
2739  HDC hDC,
2740  LPPOINT Points,
2741  LPBYTE Types,
2742  INT nSize)
2743 {
2744  INT ret = -1;
2745  PPATH pPath;
2746  DC *dc;
2747 
2748  _SEH2_TRY
2749  {
2750  ProbeForWrite(Points, nSize * sizeof(*Points), sizeof(ULONG));
2751  ProbeForWrite(Types, nSize, 1);
2752  }
2754  {
2756  _SEH2_YIELD(return -1);
2757  }
2758  _SEH2_END
2759 
2760  dc = DC_LockDc(hDC);
2761  TRACE("NtGdiGetPath start\n");
2762  if (!dc)
2763  {
2764  ERR("Can't lock dc!\n");
2766  return -1;
2767  }
2768 
2769  pPath = PATH_LockPath(dc->dclevel.hPath);
2770  if (!pPath)
2771  {
2772  DC_UnlockDc(dc);
2773  return -1;
2774  }
2775 
2776  if (pPath->state != PATH_Closed)
2777  {
2779  goto done;
2780  }
2781 
2782  if (nSize == 0)
2783  {
2784  ret = pPath->numEntriesUsed;
2785  }
2786  else if (nSize < pPath->numEntriesUsed)
2787  {
2789  goto done;
2790  }
2791  else
2792  {
2793  _SEH2_TRY
2794  {
2795  memcpy(Points, pPath->pPoints, sizeof(POINT)*pPath->numEntriesUsed);
2796  memcpy(Types, pPath->pFlags, sizeof(BYTE)*pPath->numEntriesUsed);
2797 
2798  /* Convert the points to logical coordinates */
2799  if (!GdiPathDPtoLP(dc, Points, pPath->numEntriesUsed))
2800  {
2802  _SEH2_LEAVE;
2803  }
2804 
2805  ret = pPath->numEntriesUsed;
2806  }
2808  {
2810  }
2811  _SEH2_END
2812  }
2813 
2814 done:
2815  TRACE("NtGdiGetPath exit %d\n",ret);
2816  PATH_UnlockPath(pPath);
2817  DC_UnlockDc(dc);
2818  return ret;
2819 }
2820 
2821 HRGN
2822 APIENTRY
2824 {
2825  PPATH pPath, pNewPath;
2826  HRGN hrgnRval = 0;
2827  int Ret;
2828  PREGION Rgn;
2829  DC *pDc;
2830  PDC_ATTR pdcattr;
2831 
2832  TRACE("Enter %s\n", __FUNCTION__);
2833 
2834  pDc = DC_LockDc(hDC);
2835  if (!pDc)
2836  {
2837  ERR("Failed to lock DC %p\n", hDC);
2839  return NULL;
2840  }
2841 
2842  pdcattr = pDc->pdcattr;
2843 
2844  pPath = PATH_LockPath(pDc->dclevel.hPath);
2845  if (!pPath)
2846  {
2847  ERR("Failed to lock DC path %p\n", pDc->dclevel.hPath);
2848  DC_UnlockDc(pDc);
2849  return NULL;
2850  }
2851 
2852  if (pPath->state != PATH_Closed)
2853  {
2854  // FIXME: Check that setlasterror is being called correctly
2855  ERR("Path is not closed!\n");
2857  }
2858  else
2859  {
2860  /* Create the region and fill it with the path strokes */
2862  if (!Rgn)
2863  {
2864  ERR("Failed to allocate a region\n");
2865  PATH_UnlockPath(pPath);
2866  DC_UnlockDc(pDc);
2867  return NULL;
2868  }
2869  hrgnRval = Rgn->BaseObject.hHmgr;
2870 
2871  pNewPath = PATH_FlattenPath(pPath);
2872 
2873  Ret = PATH_PathToRegion(pNewPath, pdcattr->jFillMode, Rgn);
2874 
2875  PATH_UnlockPath(pNewPath);
2876  PATH_Delete(pNewPath->BaseObject.hHmgr);
2877 
2878  if (!Ret)
2879  {
2880  ERR("PATH_PathToRegion failed\n");
2881  REGION_Delete(Rgn);
2882  hrgnRval = NULL;
2883  }
2884  else
2885  REGION_UnlockRgn(Rgn);
2886  }
2887 
2888  PATH_UnlockPath(pPath);
2889  PATH_Delete(pDc->dclevel.hPath);
2890  pDc->dclevel.hPath = NULL;
2891  pDc->dclevel.flPath &= ~DCPATH_ACTIVE;
2892 
2893  DC_UnlockDc(pDc);
2894  return hrgnRval;
2895 }
2896 
2897 BOOL
2898 APIENTRY
2900  IN HDC hdc,
2901  IN DWORD dwNew,
2903 {
2904  DC *pDc;
2905  gxf_long worker, worker1;
2906  BOOL bResult = TRUE;
2907 
2908  if (!(pDc = DC_LockDc(hdc)))
2909  {
2911  return FALSE;
2912  }
2913 
2914  worker.l = dwNew;
2915  worker1.f = pDc->dclevel.laPath.eMiterLimit;
2916  pDc->dclevel.laPath.eMiterLimit = worker.f;
2917 
2918  if (pdwOut)
2919  {
2920  _SEH2_TRY
2921  {
2922  ProbeForWrite(pdwOut, sizeof(DWORD), 1);
2923  *pdwOut = worker1.l;
2924  }
2926  {
2928  bResult = FALSE;
2929  }
2930  _SEH2_END;
2931  }
2932 
2933  DC_UnlockDc(pDc);
2934  return bResult;
2935 }
2936 
2937 BOOL
2938 APIENTRY
2940 {
2941  DC *pDc;
2942  PDC_ATTR pdcattr;
2943  PPATH pPath, pNewPath;
2944  BOOL bRet = FALSE;
2945 
2946  TRACE("Enter %s\n", __FUNCTION__);
2947 
2948  if (!(pDc = DC_LockDc(hDC)))
2949  {
2951  return FALSE;
2952  }
2953  pPath = PATH_LockPath(pDc->dclevel.hPath);
2954  if (!pPath)
2955  {
2956  DC_UnlockDc(pDc);
2957  return FALSE;
2958  }
2959 
2961 
2962  pdcattr = pDc->pdcattr;
2963 
2964  if (pdcattr->ulDirty_ & (DIRTY_FILL | DC_BRUSH_DIRTY))
2965  DC_vUpdateFillBrush(pDc);
2966 
2967  if (pdcattr->ulDirty_ & (DIRTY_LINE | DC_PEN_DIRTY))
2968  DC_vUpdateLineBrush(pDc);
2969 
2970  pNewPath = PATH_FlattenPath(pPath);
2971 
2972  if (pNewPath->state != PATH_Closed)
2973  {
2975  }
2976  else if (pNewPath->numEntriesUsed)
2977  {
2978  bRet = PATH_FillPath(pDc, pNewPath);
2979  if (bRet) bRet = PATH_StrokePath(pDc, pNewPath);
2980  }
2981  else bRet = TRUE;
2982 
2983  PATH_UnlockPath(pNewPath);
2984  PATH_Delete(pNewPath->BaseObject.hHmgr);
2985 
2986  PATH_UnlockPath(pPath);
2987  PATH_Delete(pPath->BaseObject.hHmgr);
2988  pDc->dclevel.hPath = 0;
2989  pDc->dclevel.flPath &= ~DCPATH_ACTIVE;
2990 
2991  DC_vFinishBlit(pDc, NULL);
2992  DC_UnlockDc(pDc);
2993  return bRet;
2994 }
2995 
2996 BOOL
2997 APIENTRY
2999 {
3000  DC *pDc;
3001  PDC_ATTR pdcattr;
3002  PPATH pPath, pNewPath;
3003  BOOL bRet = FALSE;
3004 
3005  TRACE("Enter %s\n", __FUNCTION__);
3006 
3007  if (!(pDc = DC_LockDc(hDC)))
3008  {
3010  return FALSE;
3011  }
3012 
3013  pPath = PATH_LockPath(pDc->dclevel.hPath);
3014  if (!pPath)
3015  {
3016  DC_UnlockDc(pDc);
3017  return FALSE;
3018  }
3019 
3021 
3022  pdcattr = pDc->pdcattr;
3023 
3024  if (pdcattr->ulDirty_ & (DIRTY_LINE | DC_PEN_DIRTY))
3025  DC_vUpdateLineBrush(pDc);
3026 
3027  pNewPath = PATH_FlattenPath(pPath);
3028 
3029  if (pNewPath->state != PATH_Closed)
3030  {
3032  }
3033  else bRet = PATH_StrokePath(pDc, pNewPath);
3034 
3035  PATH_UnlockPath(pNewPath);
3036  PATH_Delete(pNewPath->BaseObject.hHmgr);
3037 
3038  DC_vFinishBlit(pDc, NULL);
3039 
3040  PATH_UnlockPath(pPath);
3041  PATH_Delete(pPath->BaseObject.hHmgr);
3042  pDc->dclevel.hPath = 0;
3043  pDc->dclevel.flPath &= ~DCPATH_ACTIVE;
3044 
3045  DC_UnlockDc(pDc);
3046  return bRet;
3047 }
3048 
3049 BOOL
3050 APIENTRY
3052 {
3053  PPATH pPath;
3054  BOOL Ret = FALSE;
3055  PDC pdc = DC_LockDc(hDC);
3056  TRACE("NtGdiWidenPat Enter\n");
3057  if (!pdc)
3058  {
3060  return FALSE;
3061  }
3062 
3063  pPath = PATH_WidenPath(pdc);
3064  if (pPath)
3065  {
3066  TRACE("WindenPath New Path\n");
3067  PATH_Delete(pdc->dclevel.hPath);
3068  pdc->dclevel.hPath = pPath->BaseObject.hHmgr;
3069  Ret = TRUE;
3070  }
3071  DC_UnlockDc(pdc);
3072  TRACE("NtGdiWidenPat Ret %d\n",Ret);
3073  return Ret;
3074 }
3075 
3076 /* EOF */
_STLP_DECLSPEC complex< float > _STLP_CALL sqrt(const complex< float > &)
Definition: complex.cpp:188
_In_ CLIPOBJ _In_ BRUSHOBJ _In_ LONG _In_ LONG y1
Definition: winddi.h:3706
BOOL APIENTRY NtGdiStrokeAndFillPath(HDC hDC)
Definition: path.c:2939
_Success_(return !=FALSE)
Definition: path.c:2703
#define ERROR_INVALID_PARAMETER
Definition: compat.h:101
#define XForm2MatrixS(m, x)
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int numEntriesAllocated
Definition: path.h:56
_Check_return_ _CRTIMP double __cdecl ceil(_In_ double x)
FLOAT f
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BASEOBJECT BaseObject
Definition: region.h:11
#define M_PI_4
Definition: port.h:153
#define IN
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BOOL NTAPI GreModifyWorldTransform(PDC pdc, const XFORML *pxform, DWORD dwMode)
Definition: coord.c:461
#define max(a, b)
Definition: svc.c:63
VOID FASTCALL PATH_EmptyPath(PPATH pPath)
Definition: path.c:246
int APIENTRY IntGdiSetMapMode(PDC dc, int MapMode)
Definition: coord.c:828
BOOL FASTCALL PATH_AddEntry(PPATH pPath, const POINT *pPoint, BYTE flags)
Definition: path.c:262
ULONG l
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POINTL ptlViewportOrg
Definition: ntgdihdl.h:347
#define PS_ENDCAP_SQUARE
Definition: wingdi.h:594
valarray< _Tp > atan2(const valarray< _Tp > &__x, const valarray< _Tp > &__y)
Definition: _valarray.h:928
BOOL APIENTRY NtGdiBeginPath(HDC hDC)
Definition: path.c:2466
BOOL FASTCALL PATH_Rectangle(PDC dc, INT x1, INT y1, INT x2, INT y2)
Definition: path.c:627
_In_ int _Inout_ LPRECT lprc
Definition: winuser.h:4440
BOOL FASTCALL REGION_SetPolyPolygonRgn(_Inout_ PREGION prgn, _In_ const POINT *ppt, _In_ const ULONG *pcPoints, _In_ ULONG cPolygons, _In_ INT iMode)
Definition: region.c:3275
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Definition: dcobjs.c:62
FORCEINLINE PDC DC_LockDc(HDC hdc)
Definition: dc.h:219
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Definition: polytest.cpp:48
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_In_ ULONG Mode
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const WCHAR * LPCWSTR
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static BOOLEAN PATH_ScaleNormalizedPoint(POINT corners[], FLOATL x, FLOATL y, POINT *pPoint)
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Definition: xformobj.h:11
static VOID FASTCALL PATH_BezierTo(PPATH pPath, POINT *lppt, INT n)
Definition: path.c:2194
long x
Definition: polytest.cpp:48
BOOL FASTCALL PATH_StrokePath(DC *dc, PPATH pPath)
Definition: path.c:1598
#define _Out_
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#define TT_POLYGON_TYPE
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#define pt(x, y)
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HANDLE hpen
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PPATH FASTCALL PATH_CreatePath(int count)
Definition: path.c:35
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GLuint GLuint GLsizei count
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_In_ CLIPOBJ _In_ BRUSHOBJ _In_ LONG x1
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Definition: ntgdihdl.h:158
BOOL FASTCALL PATH_MoveTo(PDC dc, PPATH pPath)
Definition: path.c:554
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Definition: compat.h:98
INT APIENTRY NtGdiGetPath(HDC hDC, LPPOINT Points, LPBYTE Types, INT nSize)
Definition: path.c:2738
*nSize LPSTR _Inout_ LPDWORD nSize
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static HDC
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GLdouble n
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Definition: dderror.h:7
BOOL FASTCALL PATH_PolyPolyline(PDC dc, const POINT *pts, const DWORD *counts, DWORD polylines)
Definition: path.c:1338
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static void reverse_points(POINT *points, UINT count)
Definition: path.c:494
GLint GLint GLint GLint GLint x
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#define PS_JOIN_MITER
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Definition: wingdi.h:2445
Definition: wingdi.h:2471
BOOL APIENTRY NtGdiStrokePath(HDC hDC)
Definition: path.c:2998
BOOL PATH_SavePath(DC *dst, DC *src)
Definition: path.c:187
HGDIOBJ hHmgr
Definition: gdiobj.h:40
FORCEINLINE VOID XFORMOBJ_vInit(OUT XFORMOBJ *pxo, IN MATRIX *pmx)
Definition: xformobj.h:21
BOOL PATH_Ellipse(PDC dc, INT x1, INT y1, INT x2, INT y2)
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#define FASTCALL
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int32_t INT
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VOID NTAPI ProbeForWrite(IN PVOID Address, IN SIZE_T Length, IN ULONG Alignment)
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& rect
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Definition: gdi.h:55
BOOL FASTCALL PATH_PolyPolygon(PDC dc, const POINT *pts, const INT *counts, UINT polygons)
Definition: path.c:1288
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Definition: path.h:70
LONG y
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_SEH2_TRY
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PPATH FASTCALL IntGdiWidenPath(PPATH pPath, UINT penWidth, UINT penStyle, FLOAT eMiterLimit)
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FLOAT * PFLOATOBJ
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FIXED y
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Definition: winerror.h:582
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#define e
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Definition: floatobj.h:114
Definition: path.h:18
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Definition: path.c:108
struct tagPOINTFX POINTFX
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Definition: path.c:1451
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Definition: path.c:1407
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Definition: baseobj.hpp:95
const WCHAR * str
#define TAG_BEZIER
Definition: tags.h:13
#define GGO_NATIVE
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_STLP_DECLSPEC complex< float > _STLP_CALL cos(const complex< float > &)
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#define _In_
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LONG cx
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Definition: path.c:519
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static BYTE * add_points(PPATH path, const POINT *points, DWORD count, BYTE type)
Definition: path.c:480
#define TT_PRIM_CSPLINE
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#define TT_PRIM_QSPLINE
Definition: wingdi.h:1319
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Definition: types.h:100
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Definition: gdi.h:31
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint GLint GLint j
Definition: glfuncs.h:250
VOID FASTCALL IntGetCurrentPositionEx(PDC dc, LPPOINT pt)
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Definition: floatobj.h:102
#define XF_LTOL
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Definition: winddi.h:2826
eMaj lines
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#define DIRTY_STYLESTATE
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Definition: glext.h:7540
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Definition: polytest.cpp:40
static WCHAR no[MAX_STRING_RESOURCE_LEN]
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GLsizeiptr size
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Definition: gdiobj.c:1111
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Definition: mode.c:44
#define GDI_OBJECT_TYPE_PEN
Definition: gdi.h:54
VOID FASTCALL PATH_DestroyGdiPath(PPATH pPath)
Definition: path.c:80
FLOAT FLOATOBJ
Definition: winddi.h:677
Definition: cmds.c:130
POINTFX apfx[1]
Definition: wingdi.h:2713
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Definition: path.c:2436
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Definition: glext.h:5920
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Definition: excpt.h:85
DBG_DEFAULT_CHANNEL(GdiPath)
#define PS_JOIN_ROUND
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unsigned long DWORD
Definition: ntddk_ex.h:95
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Definition: glext.h:7726
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Definition: windef.h:329
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GLsizei const GLfloat * points
Definition: glext.h:8112
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Definition: gdiobj.c:880
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Definition: path.c:1154
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Definition: wingdi.h:854
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Definition: ntgdihdl.h:145
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Definition: main.c:9
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Definition: ntgdihdl.h:313
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Definition: path.c:2823
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Definition: coord.h:200
#define FLOATOBJ_GetFloat(pf)
Definition: winddi.h:2816
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Definition: winddi.h:2821
SIZEL szlWindowExt
Definition: ntgdihdl.h:346
#define memcpy(s1, s2, n)
Definition: mkisofs.h:878
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Definition: port.h:185
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Definition: path.c:506
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Definition: path.c:2522
static BOOL PATH_CheckRect(DC *dc, RECTL *rect, INT x1, INT y1, INT x2, INT y2)
Definition: path.c:433
GLenum src
Definition: glext.h:6340
_In_ CLIPOBJ _In_ BRUSHOBJ _In_ LONG _In_ LONG _In_ LONG _In_ LONG y2
Definition: winddi.h:3706
VOID FASTCALL SetLastNtError(NTSTATUS Status)
Definition: error.c:36
Definition: mesh.c:5329
#define GROW_FACTOR_DENOM
Definition: path.c:24
unsigned char BYTE
Definition: xxhash.c:193
short gmCellIncX
Definition: wingdi.h:2444
BOOL PATH_RoundRect(DC *dc, INT x1, INT y1, INT x2, INT y2, INT ell_width, INT ell_height)
Definition: path.c:675
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Definition: path.c:2181
_Check_return_ _CRT_JIT_INTRINSIC double __cdecl fabs(_In_ double x)
static const FLOATOBJ gef2
Definition: floatobj.h:115
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Definition: coord.h:192
#define ERR(fmt,...)
Definition: debug.h:110
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Definition: path.c:2603
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Definition: winddi.h:2815
FLOAT FLOATL
Definition: winddi.h:114
static HDC hDC
Definition: 3dtext.c:33
FORCEINLINE VOID RECTL_vSetRect(_Out_ RECTL *prcl, _In_ LONG left, _In_ LONG top, _In_ LONG right, _In_ LONG bottom)
Definition: rect.h:5
BOOL APIENTRY NtGdiSetMiterLimit(IN HDC hdc, IN DWORD dwNew, IN OUT OPTIONAL PDWORD pdwOut)
Definition: path.c:2899
BOOL IntGdiFillRgn(_In_ PDC pdc, _In_ PREGION prgn, _In_opt_ PBRUSH pbrFill)
Definition: bitblt.c:1182
_SEH2_END
Definition: create.c:4400
#define PS_TYPE_MASK
Definition: wingdi.h:602
static unsigned __int64 next
Definition: rand_nt.c:6
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
FORCEINLINE VOID DC_UnlockDc(PDC pdc)
Definition: dc.h:237
static BOOL FASTCALL PATH_add_outline(PDC dc, PPATH pPath, INT x, INT y, TTPOLYGONHEADER *header, DWORD size)
Definition: path.c:2238
BOOL FASTCALL PATH_AssignGdiPath(PPATH pPathDest, const PPATH pPathSrc)
Definition: path.c:166
Definition: path.h:19
static calc_node_t temp
Definition: rpn_ieee.c:38
GLuint start
Definition: gl.h:1545
BOOL FASTCALL PATH_ExtTextOut(PDC dc, INT x, INT y, UINT flags, const RECTL *lprc, LPCWSTR str, UINT count, const INT *dx)
Definition: path.c:2335
GLenum GLenum dst
Definition: glext.h:6340
BOOL FASTCALL PATH_FillPathEx(PDC dc, PPATH pPath, PBRUSH pbrFill)
Definition: path.c:1515
BOOL newStroke
Definition: path.h:57
ULONG FASTCALL ftGdiGetGlyphOutline(PDC dc, WCHAR wch, UINT iFormat, LPGLYPHMETRICS pgm, ULONG cjBuf, PVOID pvBuf, LPMAT2 pmat2, BOOL bIgnoreRotation)
Definition: freetype.c:3761
#define PS_ENDCAP_FLAT
Definition: wingdi.h:595
#define PS_ENDCAP_MASK
Definition: wingdi.h:601
int xOffset
Definition: appswitch.c:59
BOOL FASTCALL PATH_Arc(PDC dc, INT x1, INT y1, INT x2, INT y2, INT xStart, INT yStart, INT xEnd, INT yEnd, INT direction, INT lines)
Definition: path.c:955
#define PS_JOIN_MASK
Definition: wingdi.h:599
#define M_PI
Definition: macros.h:263
unsigned int * PULONG
Definition: retypes.h:1
#define min(a, b)
Definition: monoChain.cc:55
unsigned int UINT
Definition: ndis.h:50
FORCEINLINE PSIZEL DC_pszlViewportExt(PDC pdc)
Definition: coord.h:111
#define NULL
Definition: types.h:112
VOID FASTCALL PATH_InitGdiPath(PPATH pPath)
Definition: path.c:142
#define DC_BRUSH_DIRTY
Definition: ntgdihdl.h:157
VOID FASTCALL DC_vPrepareDCsForBlit(PDC pdcDest, const RECT *rcDest, PDC pdcSrc, const RECT *rcSrc)
Definition: dclife.c:505
ENGAPI INT APIENTRY EngMulDiv(_In_ INT a, _In_ INT b, _In_ INT c)
Definition: math.c:26
GLint GLint GLint GLint GLint GLint y
Definition: gl.h:1548
GLint dx
Definition: linetemp.h:97
DWORD * PDWORD
Definition: pedump.c:68
BOOL APIENTRY NtGdiFlattenPath(HDC hDC)
Definition: path.c:2661
BOOL FASTCALL PATH_AddFlatBezier(PPATH pPath, POINT *pt, BOOL closed)
Definition: path.c:1378
_In_ CLIPOBJ _In_ BRUSHOBJ _In_ LONG _In_ LONG _In_ LONG x2
Definition: winddi.h:3706
FORCEINLINE LONG RECTL_lGetHeight(_In_ const RECTL *prcl)
Definition: rect.h:86
#define ETO_PDY
Definition: wingdi.h:656
VOID FASTCALL DC_vFinishBlit(PDC pdc1, PDC pdc2)
Definition: dclife.c:614
#define MWT_IDENTITY
Definition: wingdi.h:943
void * Realloc(void *, size_t)
#define CoordLPtoDP(pdc, ppt)
Definition: coord.h:187
#define NUM_ENTRIES_INITIAL
Definition: path.c:21
VOID FASTCALL REGION_UnlockRgn(_In_ PREGION prgn)
Definition: region.c:2392
#define PATH_AllocPathWithHandle()
Definition: path.h:69
#define MM_TEXT
Definition: wingdi.h:872
#define PT_CLOSEFIGURE
Definition: wingdi.h:886
#define OUT
Definition: typedefs.h:40
BOOL FASTCALL GdiPathDPtoLP(PDC pdc, PPOINT ppt, INT count)
Definition: path.c:125
#define GROW_FACTOR_NUMER
Definition: path.c:23
#define PT_LINETO
Definition: wingdi.h:884
GLclampf GLclampf GLclampf alpha
Definition: gl.h:1740
float FLOAT
Definition: typedefs.h:69
#define PT_MOVETO
Definition: wingdi.h:883
BOOL FASTCALL PATH_ReserveEntries(PPATH pPath, INT numEntries)
Definition: path.c:296
SIZEL szlViewportExt
Definition: ntgdihdl.h:348
unsigned int ULONG
Definition: retypes.h:1
BASEOBJECT BaseObject
Definition: path.h:36
BOOL FASTCALL IntGdiMoveToEx(DC *dc, int X, int Y, LPPOINT Point)
Definition: line.c:78
#define RtlZeroMemory(Destination, Length)
Definition: typedefs.h:262
#define DIRTY_LINE
Definition: ntgdihdl.h:146
char * cleanup(char *str)
Definition: wpickclick.c:99
static const WCHAR dc[]
#define RtlCopyMemory(Destination, Source, Length)
Definition: typedefs.h:263
FLONG state
Definition: path.h:52
_Out_ PDWORD pdwOut
Definition: ntgdi.h:1813
static BOOL PATH_DoArcPart(PPATH pPath, POINT corners[], double angleStart, double angleEnd, BYTE startEntryType)
Definition: path.c:890
#define _SEH2_EXCEPT(...)
Definition: pseh2_64.h:40
int yOffset
Definition: appswitch.c:59
_STLP_DECLSPEC complex< float > _STLP_CALL sin(const complex< float > &)
GLdouble GLdouble GLdouble GLdouble top
Definition: glext.h:10859
GLuint GLuint GLsizei GLenum type
Definition: gl.h:1545
#define _SEH2_GetExceptionCode()
Definition: pseh2_64.h:165
#define _SEH2_YIELD(__stmt)
Definition: pseh2_64.h:168
#define _SEH2_LEAVE
Definition: filesup.c:20
GLboolean GLboolean GLboolean GLboolean a
Definition: glext.h:6204
#define PT_BEZIERTO
Definition: wingdi.h:885
_Check_return_ _CRTIMP double __cdecl floor(_In_ double x)
static VOID PATH_NormalizePoint(POINTL corners[], const POINTL *pPoint, FLOATL *pX, FLOATL *pY)
Definition: path.c:401
PREGION FASTCALL REGION_AllocUserRgnWithHandle(INT nRgn)
Definition: region.c:2313
#define GDI_ERROR
Definition: wingdi.h:1308
#define __FUNCTION__
Definition: types.h:112
#define TT_PRIM_LINE
Definition: wingdi.h:1318
#define memset(x, y, z)
Definition: compat.h:39
#define ExFreePoolWithTag(_P, _T)
Definition: module.h:1099
VOID FASTCALL REGION_Delete(PREGION pRgn)
Definition: region.c:2468
LONG cy
Definition: windef.h:335
static BOOLEAN INTERNAL_LPTODP(DC *dc, LPPOINT points, UINT count)
Definition: coord.h:47
VOID FASTCALL RECTL_vMakeWellOrdered(_Inout_ RECTL *prcl)
Definition: rect.c:81
PSDBQUERYRESULT_VISTA PVOID DWORD * dwSize
Definition: env.c:56
struct CFHEADER header
Definition: fdi.c:101
BOOL FASTCALL PATH_Delete(HPATH hPath)
Definition: path.c:90
ENGAPI VOID APIENTRY EngSetLastError(_In_ ULONG iError)
Definition: error.c:27
INT NTAPI GreGetObject(IN HGDIOBJ hobj, IN INT cbCount, OUT PVOID pvBuffer)
Definition: gdiobj.c:1264
#define APIENTRY
Definition: api.h:79
POINTL ptlWindowOrg
Definition: ntgdihdl.h:345
#define ERROR_OUTOFMEMORY
Definition: deptool.c:13
BOOL FASTCALL PATH_FillPath(PDC dc, PPATH pPath)
Definition: path.c:1506
FIXED x
Definition: wingdi.h:2707
VOID FASTCALL DC_vUpdateFillBrush(PDC pdc)
Definition: dcobjs.c:16
static BYTE * add_log_points(DC *dc, PPATH path, const POINT *points, DWORD count, BYTE type)
Definition: path.c:463
static BOOLEAN IntLPtoDP(DC *pdc, PPOINTL ppt, UINT count)
Definition: coord.h:182
#define GM_ADVANCED
Definition: wingdi.h:864
INT iGraphicsMode
Definition: ntgdihdl.h:310
PULONG MinorVersion OPTIONAL
Definition: CrossNt.h:68