dlls/gdiplus/graphicspath.c

   1 /*
   2  * Copyright (C) 2007 Google (Evan Stade)
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  *
  18  */
  19
  20 #include <stdarg.h>
  21 #include <math.h>
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winuser.h"
  26 #include "wingdi.h"
  27
  28 #include "objbase.h"
  29
  30 #include "gdiplus.h"
  31 #include "gdiplus_private.h"
  32 #include "wine/debug.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
  35
  36 typedef struct path_list_node_t path_list_node_t;
  37 struct path_list_node_t {
  38     GpPointF pt;
  39     BYTE type; /* PathPointTypeStart or PathPointTypeLine */
  40     path_list_node_t *next;
  41 };
  42
  43 /* init list */
  44 static BOOL init_path_list(path_list_node_t **node, REAL x, REAL y)
  45 {
  46     *node = GdipAlloc(sizeof(path_list_node_t));
  47     if(!*node)
  48         return FALSE;
  49
  50     (*node)->pt.X = x;
  51     (*node)->pt.Y = y;
  52     (*node)->type = PathPointTypeStart;
  53     (*node)->next = NULL;
  54
  55     return TRUE;
  56 }
  57
  58 /* free all nodes including argument */
  59 static void free_path_list(path_list_node_t *node)
  60 {
  61     path_list_node_t *n = node;
  62
  63     while(n){
  64         n = n->next;
  65         GdipFree(node);
  66         node = n;
  67     }
  68 }
  69
  70 /* Add a node after 'node' */
  71 /*
  72  * Returns
  73  *  pointer on success
  74  *  NULL    on allocation problems
  75  */
  76 static path_list_node_t* add_path_list_node(path_list_node_t *node, REAL x, REAL y, BOOL type)
  77 {
  78     path_list_node_t *new;
  79
  80     new = GdipAlloc(sizeof(path_list_node_t));
  81     if(!new)
  82         return NULL;
  83
  84     new->pt.X  = x;
  85     new->pt.Y  = y;
  86     new->type  = type;
  87     new->next  = node->next;
  88     node->next = new;
  89
  90     return new;
  91 }
  92
  93 /* returns element count */
  94 static INT path_list_count(path_list_node_t *node)
  95 {
  96     INT count = 1;
  97
  98     while((node = node->next))
  99         ++count;
 100
 101     return count;
 102 }
 103
 104 /* GdipFlattenPath helper */
 105 /*
 106  * Used to recursively flatten single Bezier curve
 107  * Parameters:
 108  *  - start   : pointer to start point node;
 109  *  - (x2, y2): first control point;
 110  *  - (x3, y3): second control point;
 111  *  - end     : pointer to end point node
 112  *  - flatness: admissible error of linear approximation.
 113  *
 114  * Return value:
 115  *  TRUE : success
 116  *  FALSE: out of memory
 117  *
 118  * TODO: used quality criteria should be revised to match native as
 119  *       closer as possible.
 120  */
 121 static BOOL flatten_bezier(path_list_node_t *start, REAL x2, REAL y2, REAL x3, REAL y3,
 122                            path_list_node_t *end, REAL flatness)
 123 {
 124     /* this 5 middle points with start/end define to half-curves */
 125     GpPointF mp[5];
 126     GpPointF pt, pt_st;
 127     path_list_node_t *node;
 128
 129     /* calculate bezier curve middle points == new control points */
 130     mp[0].X = (start->pt.X + x2) / 2.0;
 131     mp[0].Y = (start->pt.Y + y2) / 2.0;
 132     /* middle point between control points */
 133     pt.X = (x2 + x3) / 2.0;
 134     pt.Y = (y2 + y3) / 2.0;
 135     mp[1].X = (mp[0].X + pt.X) / 2.0;
 136     mp[1].Y = (mp[0].Y + pt.Y) / 2.0;
 137     mp[4].X = (end->pt.X + x3) / 2.0;
 138     mp[4].Y = (end->pt.Y + y3) / 2.0;
 139     mp[3].X = (mp[4].X + pt.X) / 2.0;
 140     mp[3].Y = (mp[4].Y + pt.Y) / 2.0;
 141
 142     mp[2].X = (mp[1].X + mp[3].X) / 2.0;
 143     mp[2].Y = (mp[1].Y + mp[3].Y) / 2.0;
 144
 145     pt = end->pt;
 146     pt_st = start->pt;
 147     /* check flatness as a half of distance between middle point and a linearized path */
 148     if(fabs(((pt.Y - pt_st.Y)*mp[2].X + (pt_st.X - pt.X)*mp[2].Y +
 149         (pt_st.Y*pt.X - pt_st.X*pt.Y))) <=
 150         (0.5 * flatness*sqrtf((powf(pt.Y - pt_st.Y, 2.0) + powf(pt_st.X - pt.X, 2.0))))){
 151         return TRUE;
 152     }
 153     else
 154         /* add a middle point */
 155         if(!(node = add_path_list_node(start, mp[2].X, mp[2].Y, PathPointTypeLine)))
 156             return FALSE;
 157
 158     /* do the same with halves */
 159     flatten_bezier(start, mp[0].X, mp[0].Y, mp[1].X, mp[1].Y, node, flatness);
 160     flatten_bezier(node,  mp[3].X, mp[3].Y, mp[4].X, mp[4].Y, end,  flatness);
 161
 162     return TRUE;
 163 }
 164
 165 GpStatus WINGDIPAPI GdipAddPathArc(GpPath *path, REAL x1, REAL y1, REAL x2,
 166     REAL y2, REAL startAngle, REAL sweepAngle)
 167 {
 168     INT count, old_count, i;
 169
 170     TRACE("(%p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n",
 171           path, x1, y1, x2, y2, startAngle, sweepAngle);
 172
 173     if(!path)
 174         return InvalidParameter;
 175
 176     count = arc2polybezier(NULL, x1, y1, x2, y2, startAngle, sweepAngle);
 177
 178     if(count == 0)
 179         return Ok;
 180     if(!lengthen_path(path, count))
 181         return OutOfMemory;
 182
 183     old_count = path->pathdata.Count;
 184     arc2polybezier(&path->pathdata.Points[old_count], x1, y1, x2, y2,
 185                    startAngle, sweepAngle);
 186
 187     for(i = 0; i < count; i++){
 188         path->pathdata.Types[old_count + i] = PathPointTypeBezier;
 189     }
 190
 191     path->pathdata.Types[old_count] =
 192         (path->newfigure ? PathPointTypeStart : PathPointTypeLine);
 193     path->newfigure = FALSE;
 194     path->pathdata.Count += count;
 195
 196     return Ok;
 197 }
 198
 199 GpStatus WINGDIPAPI GdipAddPathArcI(GpPath *path, INT x1, INT y1, INT x2,
 200    INT y2, REAL startAngle, REAL sweepAngle)
 201 {
 202     TRACE("(%p, %d, %d, %d, %d, %.2f, %.2f)\n",
 203           path, x1, y1, x2, y2, startAngle, sweepAngle);
 204
 205     return GdipAddPathArc(path,(REAL)x1,(REAL)y1,(REAL)x2,(REAL)y2,startAngle,sweepAngle);
 206 }
 207
 208 GpStatus WINGDIPAPI GdipAddPathBezier(GpPath *path, REAL x1, REAL y1, REAL x2,
 209     REAL y2, REAL x3, REAL y3, REAL x4, REAL y4)
 210 {
 211     INT old_count;
 212
 213     TRACE("(%p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n",
 214           path, x1, y1, x2, y2, x3, y3, x4, y4);
 215
 216     if(!path)
 217         return InvalidParameter;
 218
 219     if(!lengthen_path(path, 4))
 220         return OutOfMemory;
 221
 222     old_count = path->pathdata.Count;
 223
 224     path->pathdata.Points[old_count].X = x1;
 225     path->pathdata.Points[old_count].Y = y1;
 226     path->pathdata.Points[old_count + 1].X = x2;
 227     path->pathdata.Points[old_count + 1].Y = y2;
 228     path->pathdata.Points[old_count + 2].X = x3;
 229     path->pathdata.Points[old_count + 2].Y = y3;
 230     path->pathdata.Points[old_count + 3].X = x4;
 231     path->pathdata.Points[old_count + 3].Y = y4;
 232
 233     path->pathdata.Types[old_count] =
 234         (path->newfigure ? PathPointTypeStart : PathPointTypeLine);
 235     path->pathdata.Types[old_count + 1] = PathPointTypeBezier;
 236     path->pathdata.Types[old_count + 2] = PathPointTypeBezier;
 237     path->pathdata.Types[old_count + 3] = PathPointTypeBezier;
 238
 239     path->newfigure = FALSE;
 240     path->pathdata.Count += 4;
 241
 242     return Ok;
 243 }
 244
 245 GpStatus WINGDIPAPI GdipAddPathBezierI(GpPath *path, INT x1, INT y1, INT x2,
 246     INT y2, INT x3, INT y3, INT x4, INT y4)
 247 {
 248     TRACE("(%p, %d, %d, %d, %d, %d, %d, %d, %d)\n",
 249           path, x1, y1, x2, y2, x3, y3, x4, y4);
 250
 251     return GdipAddPathBezier(path,(REAL)x1,(REAL)y1,(REAL)x2,(REAL)y2,(REAL)x3,(REAL)y3,
 252                                   (REAL)x4,(REAL)y4);
 253 }
 254
 255 GpStatus WINGDIPAPI GdipAddPathBeziers(GpPath *path, GDIPCONST GpPointF *points,
 256     INT count)
 257 {
 258     INT i, old_count;
 259
 260     TRACE("(%p, %p, %d)\n", path, points, count);
 261
 262     if(!path || !points || ((count - 1) % 3))
 263         return InvalidParameter;
 264
 265     if(!lengthen_path(path, count))
 266         return OutOfMemory;
 267
 268     old_count = path->pathdata.Count;
 269
 270     for(i = 0; i < count; i++){
 271         path->pathdata.Points[old_count + i].X = points[i].X;
 272         path->pathdata.Points[old_count + i].Y = points[i].Y;
 273         path->pathdata.Types[old_count + i] = PathPointTypeBezier;
 274     }
 275
 276     path->pathdata.Types[old_count] =
 277         (path->newfigure ? PathPointTypeStart : PathPointTypeLine);
 278     path->newfigure = FALSE;
 279     path->pathdata.Count += count;
 280
 281     return Ok;
 282 }
 283
 284 GpStatus WINGDIPAPI GdipAddPathBeziersI(GpPath *path, GDIPCONST GpPoint *points,
 285     INT count)
 286 {
 287     GpPointF *ptsF;
 288     GpStatus ret;
 289     INT i;
 290
 291     TRACE("(%p, %p, %d)\n", path, points, count);
 292
 293     if(!points || ((count - 1) % 3))
 294         return InvalidParameter;
 295
 296     ptsF = GdipAlloc(sizeof(GpPointF) * count);
 297     if(!ptsF)
 298         return OutOfMemory;
 299
 300     for(i = 0; i < count; i++){
 301         ptsF[i].X = (REAL)points[i].X;
 302         ptsF[i].Y = (REAL)points[i].Y;
 303     }
 304
 305     ret = GdipAddPathBeziers(path, ptsF, count);
 306     GdipFree(ptsF);
 307
 308     return ret;
 309 }
 310
 311 GpStatus WINGDIPAPI GdipAddPathClosedCurve(GpPath *path, GDIPCONST GpPointF *points,
 312     INT count)
 313 {
 314     TRACE("(%p, %p, %d)\n", path, points, count);
 315
 316     return GdipAddPathClosedCurve2(path, points, count, 1.0);
 317 }
 318
 319 GpStatus WINGDIPAPI GdipAddPathClosedCurveI(GpPath *path, GDIPCONST GpPoint *points,
 320     INT count)
 321 {
 322     TRACE("(%p, %p, %d)\n", path, points, count);
 323
 324     return GdipAddPathClosedCurve2I(path, points, count, 1.0);
 325 }
 326
 327 GpStatus WINGDIPAPI GdipAddPathClosedCurve2(GpPath *path, GDIPCONST GpPointF *points,
 328     INT count, REAL tension)
 329 {
 330     INT i, len_pt = (count + 1)*3-2;
 331     GpPointF *pt;
 332     GpPointF *pts;
 333     REAL x1, x2, y1, y2;
 334     GpStatus stat;
 335
 336     TRACE("(%p, %p, %d, %.2f)\n", path, points, count, tension);
 337
 338     if(!path || !points || count <= 1)
 339         return InvalidParameter;
 340
 341     pt = GdipAlloc(len_pt * sizeof(GpPointF));
 342     pts = GdipAlloc((count + 1)*sizeof(GpPointF));
 343     if(!pt || !pts){
 344         GdipFree(pt);
 345         GdipFree(pts);
 346         return OutOfMemory;
 347     }
 348
 349     /* copy source points to extend with the last one */
 350     memcpy(pts, points, sizeof(GpPointF)*count);
 351     pts[count] = pts[0];
 352
 353     tension = tension * TENSION_CONST;
 354
 355     for(i = 0; i < count-1; i++){
 356         calc_curve_bezier(&(pts[i]), tension, &x1, &y1, &x2, &y2);
 357
 358         pt[3*i+2].X = x1;
 359         pt[3*i+2].Y = y1;
 360         pt[3*i+3].X = pts[i+1].X;
 361         pt[3*i+3].Y = pts[i+1].Y;
 362         pt[3*i+4].X = x2;
 363         pt[3*i+4].Y = y2;
 364     }
 365
 366     /* points [len_pt-2] and [0] are calculated
 367        separately to connect splines properly */
 368     pts[0] = points[count-1];
 369     pts[1] = points[0]; /* equals to start and end of a resulting path */
 370     pts[2] = points[1];
 371
 372     calc_curve_bezier(pts, tension, &x1, &y1, &x2, &y2);
 373     pt[len_pt-2].X = x1;
 374     pt[len_pt-2].Y = y1;
 375     pt[0].X = pts[1].X;
 376     pt[0].Y = pts[1].Y;
 377     pt[1].X = x2;
 378     pt[1].Y = y2;
 379     /* close path */
 380     pt[len_pt-1].X = pt[0].X;
 381     pt[len_pt-1].Y = pt[0].Y;
 382
 383     stat = GdipAddPathBeziers(path, pt, len_pt);
 384
 385     /* close figure */
 386     if(stat == Ok){
 387         path->pathdata.Types[path->pathdata.Count - 1] |= PathPointTypeCloseSubpath;
 388         path->newfigure = TRUE;
 389     }
 390
 391     GdipFree(pts);
 392     GdipFree(pt);
 393
 394     return stat;
 395 }
 396
 397 GpStatus WINGDIPAPI GdipAddPathClosedCurve2I(GpPath *path, GDIPCONST GpPoint *points,
 398     INT count, REAL tension)
 399 {
 400     GpPointF *ptf;
 401     INT i;
 402     GpStatus stat;
 403
 404     TRACE("(%p, %p, %d, %.2f)\n", path, points, count, tension);
 405
 406     if(!path || !points || count <= 1)
 407         return InvalidParameter;
 408
 409     ptf = GdipAlloc(sizeof(GpPointF)*count);
 410     if(!ptf)
 411         return OutOfMemory;
 412
 413     for(i = 0; i < count; i++){
 414         ptf[i].X = (REAL)points[i].X;
 415         ptf[i].Y = (REAL)points[i].Y;
 416     }
 417
 418     stat = GdipAddPathClosedCurve2(path, ptf, count, tension);
 419
 420     GdipFree(ptf);
 421
 422     return stat;
 423 }
 424
 425 GpStatus WINGDIPAPI GdipAddPathCurve(GpPath *path, GDIPCONST GpPointF *points, INT count)
 426 {
 427     TRACE("(%p, %p, %d)\n", path, points, count);
 428
 429     if(!path || !points || count <= 1)
 430         return InvalidParameter;
 431
 432     return GdipAddPathCurve2(path, points, count, 1.0);
 433 }
 434
 435 GpStatus WINGDIPAPI GdipAddPathCurveI(GpPath *path, GDIPCONST GpPoint *points, INT count)
 436 {
 437     TRACE("(%p, %p, %d)\n", path, points, count);
 438
 439     if(!path || !points || count <= 1)
 440         return InvalidParameter;
 441
 442     return GdipAddPathCurve2I(path, points, count, 1.0);
 443 }
 444
 445 GpStatus WINGDIPAPI GdipAddPathCurve2(GpPath *path, GDIPCONST GpPointF *points, INT count,
 446     REAL tension)
 447 {
 448     INT i, len_pt = count*3-2;
 449     GpPointF *pt;
 450     REAL x1, x2, y1, y2;
 451     GpStatus stat;
 452
 453     TRACE("(%p, %p, %d, %.2f)\n", path, points, count, tension);
 454
 455     if(!path || !points || count <= 1)
 456         return InvalidParameter;
 457
 458     pt = GdipAlloc(len_pt * sizeof(GpPointF));
 459     if(!pt)
 460         return OutOfMemory;
 461
 462     tension = tension * TENSION_CONST;
 463
 464     calc_curve_bezier_endp(points[0].X, points[0].Y, points[1].X, points[1].Y,
 465         tension, &x1, &y1);
 466
 467     pt[0].X = points[0].X;
 468     pt[0].Y = points[0].Y;
 469     pt[1].X = x1;
 470     pt[1].Y = y1;
 471
 472     for(i = 0; i < count-2; i++){
 473         calc_curve_bezier(&(points[i]), tension, &x1, &y1, &x2, &y2);
 474
 475         pt[3*i+2].X = x1;
 476         pt[3*i+2].Y = y1;
 477         pt[3*i+3].X = points[i+1].X;
 478         pt[3*i+3].Y = points[i+1].Y;
 479         pt[3*i+4].X = x2;
 480         pt[3*i+4].Y = y2;
 481     }
 482
 483     calc_curve_bezier_endp(points[count-1].X, points[count-1].Y,
 484         points[count-2].X, points[count-2].Y, tension, &x1, &y1);
 485
 486     pt[len_pt-2].X = x1;
 487     pt[len_pt-2].Y = y1;
 488     pt[len_pt-1].X = points[count-1].X;
 489     pt[len_pt-1].Y = points[count-1].Y;
 490
 491     stat = GdipAddPathBeziers(path, pt, len_pt);
 492
 493     GdipFree(pt);
 494
 495     return stat;
 496 }
 497
 498 GpStatus WINGDIPAPI GdipAddPathCurve2I(GpPath *path, GDIPCONST GpPoint *points,
 499     INT count, REAL tension)
 500 {
 501     GpPointF *ptf;
 502     INT i;
 503     GpStatus stat;
 504
 505     TRACE("(%p, %p, %d, %.2f)\n", path, points, count, tension);
 506
 507     if(!path || !points || count <= 1)
 508         return InvalidParameter;
 509
 510     ptf = GdipAlloc(sizeof(GpPointF)*count);
 511     if(!ptf)
 512         return OutOfMemory;
 513
 514     for(i = 0; i < count; i++){
 515         ptf[i].X = (REAL)points[i].X;
 516         ptf[i].Y = (REAL)points[i].Y;
 517     }
 518
 519     stat = GdipAddPathCurve2(path, ptf, count, tension);
 520
 521     GdipFree(ptf);
 522
 523     return stat;
 524 }
 525
 526 GpStatus WINGDIPAPI GdipAddPathCurve3(GpPath *path, GDIPCONST GpPointF *points,
 527     INT count, INT offset, INT nseg, REAL tension)
 528 {
 529     TRACE("(%p, %p, %d, %d, %d, %.2f)\n", path, points, count, offset, nseg, tension);
 530
 531     if(!path || !points || offset + 1 >= count || count - offset < nseg + 1)
 532         return InvalidParameter;
 533
 534     return GdipAddPathCurve2(path, &points[offset], nseg + 1, tension);
 535 }
 536
 537 GpStatus WINGDIPAPI GdipAddPathCurve3I(GpPath *path, GDIPCONST GpPoint *points,
 538     INT count, INT offset, INT nseg, REAL tension)
 539 {
 540     TRACE("(%p, %p, %d, %d, %d, %.2f)\n", path, points, count, offset, nseg, tension);
 541
 542     if(!path || !points || offset + 1 >= count || count - offset < nseg + 1)
 543         return InvalidParameter;
 544
 545     return GdipAddPathCurve2I(path, &points[offset], nseg + 1, tension);
 546 }
 547
 548 GpStatus WINGDIPAPI GdipAddPathEllipse(GpPath *path, REAL x, REAL y, REAL width,
 549     REAL height)
 550 {
 551     INT old_count, numpts;
 552
 553     TRACE("(%p, %.2f, %.2f, %.2f, %.2f)\n", path, x, y, width, height);
 554
 555     if(!path)
 556         return InvalidParameter;
 557
 558     if(!lengthen_path(path, MAX_ARC_PTS))
 559         return OutOfMemory;
 560
 561     old_count = path->pathdata.Count;
 562     if((numpts = arc2polybezier(&path->pathdata.Points[old_count],  x, y, width,
 563                                height, 0.0, 360.0)) != MAX_ARC_PTS){
 564         ERR("expected %d points but got %d\n", MAX_ARC_PTS, numpts);
 565         return GenericError;
 566     }
 567
 568     memset(&path->pathdata.Types[old_count + 1], PathPointTypeBezier,
 569            MAX_ARC_PTS - 1);
 570
 571     /* An ellipse is an intrinsic figure (always is its own subpath). */
 572     path->pathdata.Types[old_count] = PathPointTypeStart;
 573     path->pathdata.Types[old_count + MAX_ARC_PTS - 1] |= PathPointTypeCloseSubpath;
 574     path->newfigure = TRUE;
 575     path->pathdata.Count += MAX_ARC_PTS;
 576
 577     return Ok;
 578 }
 579
 580 GpStatus WINGDIPAPI GdipAddPathEllipseI(GpPath *path, INT x, INT y, INT width,
 581     INT height)
 582 {
 583     TRACE("(%p, %d, %d, %d, %d)\n", path, x, y, width, height);
 584
 585     return GdipAddPathEllipse(path,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
 586 }
 587
 588 GpStatus WINGDIPAPI GdipAddPathLine2(GpPath *path, GDIPCONST GpPointF *points,
 589     INT count)
 590 {
 591     INT i, old_count;
 592
 593     TRACE("(%p, %p, %d)\n", path, points, count);
 594
 595     if(!path || !points)
 596         return InvalidParameter;
 597
 598     if(!lengthen_path(path, count))
 599         return OutOfMemory;
 600
 601     old_count = path->pathdata.Count;
 602
 603     for(i = 0; i < count; i++){
 604         path->pathdata.Points[old_count + i].X = points[i].X;
 605         path->pathdata.Points[old_count + i].Y = points[i].Y;
 606         path->pathdata.Types[old_count + i] = PathPointTypeLine;
 607     }
 608
 609     if(path->newfigure){
 610         path->pathdata.Types[old_count] = PathPointTypeStart;
 611         path->newfigure = FALSE;
 612     }
 613
 614     path->pathdata.Count += count;
 615
 616     return Ok;
 617 }
 618
 619 GpStatus WINGDIPAPI GdipAddPathLine2I(GpPath *path, GDIPCONST GpPoint *points, INT count)
 620 {
 621     GpPointF *pointsF;
 622     INT i;
 623     GpStatus stat;
 624
 625     TRACE("(%p, %p, %d)\n", path, points, count);
 626
 627     if(count <= 0)
 628         return InvalidParameter;
 629
 630     pointsF = GdipAlloc(sizeof(GpPointF) * count);
 631     if(!pointsF)    return OutOfMemory;
 632
 633     for(i = 0;i < count; i++){
 634         pointsF[i].X = (REAL)points[i].X;
 635         pointsF[i].Y = (REAL)points[i].Y;
 636     }
 637
 638     stat = GdipAddPathLine2(path, pointsF, count);
 639
 640     GdipFree(pointsF);
 641
 642     return stat;
 643 }
 644
 645 GpStatus WINGDIPAPI GdipAddPathLine(GpPath *path, REAL x1, REAL y1, REAL x2, REAL y2)
 646 {
 647     INT old_count;
 648
 649     TRACE("(%p, %.2f, %.2f, %.2f, %.2f)\n", path, x1, y1, x2, y2);
 650
 651     if(!path)
 652         return InvalidParameter;
 653
 654     if(!lengthen_path(path, 2))
 655         return OutOfMemory;
 656
 657     old_count = path->pathdata.Count;
 658
 659     path->pathdata.Points[old_count].X = x1;
 660     path->pathdata.Points[old_count].Y = y1;
 661     path->pathdata.Points[old_count + 1].X = x2;
 662     path->pathdata.Points[old_count + 1].Y = y2;
 663
 664     path->pathdata.Types[old_count] =
 665         (path->newfigure ? PathPointTypeStart : PathPointTypeLine);
 666     path->pathdata.Types[old_count + 1] = PathPointTypeLine;
 667
 668     path->newfigure = FALSE;
 669     path->pathdata.Count += 2;
 670
 671     return Ok;
 672 }
 673
 674 GpStatus WINGDIPAPI GdipAddPathLineI(GpPath *path, INT x1, INT y1, INT x2, INT y2)
 675 {
 676     TRACE("(%p, %d, %d, %d, %d)\n", path, x1, y1, x2, y2);
 677
 678     return GdipAddPathLine(path, (REAL)x1, (REAL)y1, (REAL)x2, (REAL)y2);
 679 }
 680
 681 GpStatus WINGDIPAPI GdipAddPathPath(GpPath *path, GDIPCONST GpPath* addingPath,
 682     BOOL connect)
 683 {
 684     INT old_count, count;
 685
 686     TRACE("(%p, %p, %d)\n", path, addingPath, connect);
 687
 688     if(!path || !addingPath)
 689         return InvalidParameter;
 690
 691     old_count = path->pathdata.Count;
 692     count = addingPath->pathdata.Count;
 693
 694     if(!lengthen_path(path, count))
 695         return OutOfMemory;
 696
 697     memcpy(&path->pathdata.Points[old_count], addingPath->pathdata.Points,
 698            count * sizeof(GpPointF));
 699     memcpy(&path->pathdata.Types[old_count], addingPath->pathdata.Types, count);
 700
 701     if(path->newfigure || !connect)
 702         path->pathdata.Types[old_count] = PathPointTypeStart;
 703     else
 704         path->pathdata.Types[old_count] = PathPointTypeLine;
 705
 706     path->newfigure = FALSE;
 707     path->pathdata.Count += count;
 708
 709     return Ok;
 710 }
 711
 712 GpStatus WINGDIPAPI GdipAddPathPie(GpPath *path, REAL x, REAL y, REAL width, REAL height,
 713     REAL startAngle, REAL sweepAngle)
 714 {
 715     GpPointF *ptf;
 716     GpStatus status;
 717     INT i, count;
 718
 719     TRACE("(%p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n",
 720           path, x, y, width, height, startAngle, sweepAngle);
 721
 722     if(!path)
 723         return InvalidParameter;
 724
 725     /* on zero width/height only start point added */
 726     if(width <= 1e-7 || height <= 1e-7){
 727         if(!lengthen_path(path, 1))
 728             return OutOfMemory;
 729         path->pathdata.Points[0].X = x + width  / 2.0;
 730         path->pathdata.Points[0].Y = y + height / 2.0;
 731         path->pathdata.Types[0] = PathPointTypeStart | PathPointTypeCloseSubpath;
 732         path->pathdata.Count = 1;
 733         return InvalidParameter;
 734     }
 735
 736     count = arc2polybezier(NULL, x, y, width, height, startAngle, sweepAngle);
 737
 738     if(count == 0)
 739         return Ok;
 740
 741     ptf = GdipAlloc(sizeof(GpPointF)*count);
 742     if(!ptf)
 743         return OutOfMemory;
 744
 745     arc2polybezier(ptf, x, y, width, height, startAngle, sweepAngle);
 746
 747     status = GdipAddPathLine(path, x + width/2, y + height/2, ptf[0].X, ptf[0].Y);
 748     if(status != Ok){
 749         GdipFree(ptf);
 750         return status;
 751     }
 752     /* one spline is already added as a line endpoint */
 753     if(!lengthen_path(path, count - 1)){
 754         GdipFree(ptf);
 755         return OutOfMemory;
 756     }
 757
 758     memcpy(&(path->pathdata.Points[path->pathdata.Count]), &(ptf[1]),sizeof(GpPointF)*(count-1));
 759     for(i = 0; i < count-1; i++)
 760         path->pathdata.Types[path->pathdata.Count+i] = PathPointTypeBezier;
 761
 762     path->pathdata.Count += count-1;
 763
 764     GdipClosePathFigure(path);
 765
 766     GdipFree(ptf);
 767
 768     return status;
 769 }
 770
 771 GpStatus WINGDIPAPI GdipAddPathPieI(GpPath *path, INT x, INT y, INT width, INT height,
 772     REAL startAngle, REAL sweepAngle)
 773 {
 774     TRACE("(%p, %d, %d, %d, %d, %.2f, %.2f)\n",
 775           path, x, y, width, height, startAngle, sweepAngle);
 776
 777     return GdipAddPathPie(path, (REAL)x, (REAL)y, (REAL)width, (REAL)height, startAngle, sweepAngle);
 778 }
 779
 780 GpStatus WINGDIPAPI GdipAddPathPolygon(GpPath *path, GDIPCONST GpPointF *points, INT count)
 781 {
 782     INT old_count;
 783
 784     TRACE("(%p, %p, %d)\n", path, points, count);
 785
 786     if(!path || !points || count < 3)
 787         return InvalidParameter;
 788
 789     if(!lengthen_path(path, count))
 790         return OutOfMemory;
 791
 792     old_count = path->pathdata.Count;
 793
 794     memcpy(&path->pathdata.Points[old_count], points, count*sizeof(GpPointF));
 795     memset(&path->pathdata.Types[old_count + 1], PathPointTypeLine, count - 1);
 796
 797     /* A polygon is an intrinsic figure */
 798     path->pathdata.Types[old_count] = PathPointTypeStart;
 799     path->pathdata.Types[old_count + count - 1] |= PathPointTypeCloseSubpath;
 800     path->newfigure = TRUE;
 801     path->pathdata.Count += count;
 802
 803     return Ok;
 804 }
 805
 806 GpStatus WINGDIPAPI GdipAddPathPolygonI(GpPath *path, GDIPCONST GpPoint *points, INT count)
 807 {
 808     GpPointF *ptf;
 809     GpStatus status;
 810     INT i;
 811
 812     TRACE("(%p, %p, %d)\n", path, points, count);
 813
 814     if(!points || count < 3)
 815         return InvalidParameter;
 816
 817     ptf = GdipAlloc(sizeof(GpPointF) * count);
 818     if(!ptf)
 819         return OutOfMemory;
 820
 821     for(i = 0; i < count; i++){
 822         ptf[i].X = (REAL)points[i].X;
 823         ptf[i].Y = (REAL)points[i].Y;
 824     }
 825
 826     status = GdipAddPathPolygon(path, ptf, count);
 827
 828     GdipFree(ptf);
 829
 830     return status;
 831 }
 832
 833 static float fromfixedpoint(const FIXED v)
 834 {
 835     float f = ((float)v.fract) / (1<<(sizeof(v.fract)*8));
 836     f += v.value;
 837     return f;
 838 }
 839
 840 struct format_string_args
 841 {
 842     GpPath *path;
 843     float maxY;
 844     float scale;
 845     float ascent;
 846 };
 847
 848 static GpStatus format_string_callback(HDC dc,
 849     GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
 850     GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
 851     INT lineno, const RectF *bounds, INT *underlined_indexes,
 852     INT underlined_index_count, void *priv)
 853 {
 854     static const MAT2 identity = { {0,1}, {0,0}, {0,0}, {0,1} };
 855     struct format_string_args *args = priv;
 856     GpPath *path = args->path;
 857     GpStatus status = Ok;
 858     float x = rect->X + (bounds->X - rect->X) * args->scale;
 859     float y = rect->Y + (bounds->Y - rect->Y) * args->scale;
 860     int i;
 861
 862     if (underlined_index_count)
 863         FIXME("hotkey underlines not drawn yet\n");
 864
 865     if (y + bounds->Height * args->scale > args->maxY)
 866         args->maxY = y + bounds->Height * args->scale;
 867
 868     for (i = index; i < length; ++i)
 869     {
 870         GLYPHMETRICS gm;
 871         TTPOLYGONHEADER *ph = NULL;
 872         char *start;
 873         DWORD len, ofs = 0;
 874         len = GetGlyphOutlineW(dc, string[i], GGO_BEZIER, &gm, 0, NULL, &identity);
 875         if (len == GDI_ERROR)
 876         {
 877             status = GenericError;
 878             break;
 879         }
 880         ph = GdipAlloc(len);
 881         start = (char *)ph;
 882         if (!ph || !lengthen_path(path, len / sizeof(POINTFX)))
 883         {
 884             status = OutOfMemory;
 885             break;
 886         }
 887         GetGlyphOutlineW(dc, string[i], GGO_BEZIER, &gm, len, start, &identity);
 888
 889         ofs = 0;
 890         while (ofs < len)
 891         {
 892             DWORD ofs_start = ofs;
 893             ph = (TTPOLYGONHEADER*)&start[ofs];
 894             path->pathdata.Types[path->pathdata.Count] = PathPointTypeStart;
 895             path->pathdata.Points[path->pathdata.Count].X = x + fromfixedpoint(ph->pfxStart.x) * args->scale;
 896             path->pathdata.Points[path->pathdata.Count++].Y = y + args->ascent - fromfixedpoint(ph->pfxStart.y) * args->scale;
 897             TRACE("Starting at count %i with pos %f, %f)\n", path->pathdata.Count, x, y);
 898             ofs += sizeof(*ph);
 899             while (ofs - ofs_start < ph->cb)
 900             {
 901                 TTPOLYCURVE *curve = (TTPOLYCURVE*)&start[ofs];
 902                 int j;
 903                 ofs += sizeof(TTPOLYCURVE) + (curve->cpfx - 1) * sizeof(POINTFX);
 904
 905                 switch (curve->wType)
 906                 {
 907                 case TT_PRIM_LINE:
 908                     for (j = 0; j < curve->cpfx; ++j)
 909                     {
 910                         path->pathdata.Types[path->pathdata.Count] = PathPointTypeLine;
 911                         path->pathdata.Points[path->pathdata.Count].X = x + fromfixedpoint(curve->apfx[j].x) * args->scale;
 912                         path->pathdata.Points[path->pathdata.Count++].Y = y + args->ascent - fromfixedpoint(curve->apfx[j].y) * args->scale;
 913                     }
 914                     break;
 915                 case TT_PRIM_CSPLINE:
 916                     for (j = 0; j < curve->cpfx; ++j)
 917                     {
 918                         path->pathdata.Types[path->pathdata.Count] = PathPointTypeBezier;
 919                         path->pathdata.Points[path->pathdata.Count].X = x + fromfixedpoint(curve->apfx[j].x) * args->scale;
 920                         path->pathdata.Points[path->pathdata.Count++].Y = y + args->ascent - fromfixedpoint(curve->apfx[j].y) * args->scale;
 921                     }
 922                     break;
 923                 default:
 924                     ERR("Unhandled type: %u\n", curve->wType);
 925                     status = GenericError;
 926                 }
 927             }
 928             path->pathdata.Types[path->pathdata.Count - 1] |= PathPointTypeCloseSubpath;
 929         }
 930         path->newfigure = TRUE;
 931         x += gm.gmCellIncX * args->scale;
 932         y += gm.gmCellIncY * args->scale;
 933
 934         GdipFree(ph);
 935         if (status != Ok)
 936             break;
 937     }
 938
 939     return status;
 940 }
 941
 942 GpStatus WINGDIPAPI GdipAddPathString(GpPath* path, GDIPCONST WCHAR* string, INT length, GDIPCONST GpFontFamily* family, INT style, REAL emSize, GDIPCONST RectF* layoutRect, GDIPCONST GpStringFormat* format)
 943 {
 944     GpFont *font;
 945     GpStatus status;
 946     LOGFONTW lfw;
 947     HANDLE hfont;
 948     HDC dc;
 949     GpPath *backup;
 950     struct format_string_args args;
 951     int i;
 952     UINT16 native_height;
 953     RectF scaled_layout_rect;
 954     TEXTMETRICW textmetric;
 955
 956     TRACE("(%p, %s, %d, %p, %d, %f, %p, %p)\n", path, debugstr_w(string), length, family, style, emSize, layoutRect, format);
 957     if (!path || !string || !family || !emSize || !layoutRect || !format)
 958         return InvalidParameter;
 959
 960     status = GdipGetEmHeight(family, style, &native_height);
 961     if (status != Ok)
 962         return status;
 963
 964     scaled_layout_rect.X = layoutRect->X;
 965     scaled_layout_rect.Y = layoutRect->Y;
 966     scaled_layout_rect.Width = layoutRect->Width * native_height / emSize;
 967     scaled_layout_rect.Height = layoutRect->Height * native_height / emSize;
 968
 969     status = GdipCreateFont(family, native_height, style, UnitPixel, &font);
 970     if (status != Ok)
 971         return status;
 972
 973     get_log_fontW(font, NULL, &lfw);
 974     hfont = CreateFontIndirectW(&lfw);
 975     if (!hfont)
 976     {
 977         WARN("Failed to create font\n");
 978         return GenericError;
 979     }
 980
 981     if ((status = GdipClonePath(path, &backup)) != Ok)
 982     {
 983         DeleteObject(hfont);
 984         return status;
 985     }
 986
 987     dc = CreateCompatibleDC(0);
 988     SelectObject(dc, hfont);
 989
 990     GetTextMetricsW(dc, &textmetric);
 991
 992     args.path = path;
 993     args.maxY = 0;
 994     args.scale = emSize / native_height;
 995     args.ascent = textmetric.tmAscent * args.scale;
 996     status = gdip_format_string(dc, string, length, NULL, &scaled_layout_rect, format, format_string_callback, &args);
 997
 998     DeleteDC(dc);
 999     DeleteObject(hfont);
1000
1001     if (status != Ok) /* free backup */
1002     {
1003         GdipFree(path->pathdata.Points);
1004         GdipFree(path->pathdata.Types);
1005         *path = *backup;
1006         GdipFree(backup);
1007         return status;
1008     }
1009     if (format && format->vertalign == StringAlignmentCenter && layoutRect->Y + args.maxY < layoutRect->Height)
1010     {
1011         float inc = layoutRect->Height + layoutRect->Y - args.maxY;
1012         inc /= 2;
1013         for (i = backup->pathdata.Count; i < path->pathdata.Count; ++i)
1014             path->pathdata.Points[i].Y += inc;
1015     } else if (format && format->vertalign == StringAlignmentFar) {
1016         float inc = layoutRect->Height + layoutRect->Y - args.maxY;
1017         for (i = backup->pathdata.Count; i < path->pathdata.Count; ++i)
1018             path->pathdata.Points[i].Y += inc;
1019     }
1020     GdipDeletePath(backup);
1021     return status;
1022 }
1023
1024 GpStatus WINGDIPAPI GdipAddPathStringI(GpPath* path, GDIPCONST WCHAR* string, INT length, GDIPCONST GpFontFamily* family, INT style, REAL emSize, GDIPCONST Rect* layoutRect, GDIPCONST GpStringFormat* format)
1025 {
1026     if (layoutRect)
1027     {
1028         RectF layoutRectF = {
1029             (REAL)layoutRect->X,
1030             (REAL)layoutRect->Y,
1031             (REAL)layoutRect->Width,
1032             (REAL)layoutRect->Height
1033         };
1034         return GdipAddPathString(path, string, length, family, style, emSize, &layoutRectF, format);
1035     }
1036     return InvalidParameter;
1037 }
1038
1039 GpStatus WINGDIPAPI GdipClonePath(GpPath* path, GpPath **clone)
1040 {
1041     TRACE("(%p, %p)\n", path, clone);
1042
1043     if(!path || !clone)
1044         return InvalidParameter;
1045
1046     *clone = GdipAlloc(sizeof(GpPath));
1047     if(!*clone) return OutOfMemory;
1048
1049     **clone = *path;
1050
1051     (*clone)->pathdata.Points = GdipAlloc(path->datalen * sizeof(PointF));
1052     (*clone)->pathdata.Types = GdipAlloc(path->datalen);
1053     if(!(*clone)->pathdata.Points || !(*clone)->pathdata.Types){
1054         GdipFree(*clone);
1055         GdipFree((*clone)->pathdata.Points);
1056         GdipFree((*clone)->pathdata.Types);
1057         return OutOfMemory;
1058     }
1059
1060     memcpy((*clone)->pathdata.Points, path->pathdata.Points,
1061            path->datalen * sizeof(PointF));
1062     memcpy((*clone)->pathdata.Types, path->pathdata.Types, path->datalen);
1063
1064     return Ok;
1065 }
1066
1067 GpStatus WINGDIPAPI GdipClosePathFigure(GpPath* path)
1068 {
1069     TRACE("(%p)\n", path);
1070
1071     if(!path)
1072         return InvalidParameter;
1073
1074     if(path->pathdata.Count > 0){
1075         path->pathdata.Types[path->pathdata.Count - 1] |= PathPointTypeCloseSubpath;
1076         path->newfigure = TRUE;
1077     }
1078
1079     return Ok;
1080 }
1081
1082 GpStatus WINGDIPAPI GdipClosePathFigures(GpPath* path)
1083 {
1084     INT i;
1085
1086     TRACE("(%p)\n", path);
1087
1088     if(!path)
1089         return InvalidParameter;
1090
1091     for(i = 1; i < path->pathdata.Count; i++){
1092         if(path->pathdata.Types[i] == PathPointTypeStart)
1093             path->pathdata.Types[i-1] |= PathPointTypeCloseSubpath;
1094     }
1095
1096     path->newfigure = TRUE;
1097
1098     return Ok;
1099 }
1100
1101 GpStatus WINGDIPAPI GdipCreatePath(GpFillMode fill, GpPath **path)
1102 {
1103     TRACE("(%d, %p)\n", fill, path);
1104
1105     if(!path)
1106         return InvalidParameter;
1107
1108     *path = GdipAlloc(sizeof(GpPath));
1109     if(!*path)  return OutOfMemory;
1110
1111     (*path)->fill = fill;
1112     (*path)->newfigure = TRUE;
1113
1114     return Ok;
1115 }
1116
1117 GpStatus WINGDIPAPI GdipCreatePath2(GDIPCONST GpPointF* points,
1118     GDIPCONST BYTE* types, INT count, GpFillMode fill, GpPath **path)
1119 {
1120     TRACE("(%p, %p, %d, %d, %p)\n", points, types, count, fill, path);
1121
1122     if(!path)
1123         return InvalidParameter;
1124
1125     *path = GdipAlloc(sizeof(GpPath));
1126     if(!*path)  return OutOfMemory;
1127
1128     (*path)->pathdata.Points = GdipAlloc(count * sizeof(PointF));
1129     (*path)->pathdata.Types = GdipAlloc(count);
1130
1131     if(!(*path)->pathdata.Points || !(*path)->pathdata.Types){
1132         GdipFree((*path)->pathdata.Points);
1133         GdipFree((*path)->pathdata.Types);
1134         GdipFree(*path);
1135         return OutOfMemory;
1136     }
1137
1138     memcpy((*path)->pathdata.Points, points, count * sizeof(PointF));
1139     memcpy((*path)->pathdata.Types, types, count);
1140     (*path)->pathdata.Count = count;
1141     (*path)->datalen = count;
1142
1143     (*path)->fill = fill;
1144     (*path)->newfigure = TRUE;
1145
1146     return Ok;
1147 }
1148
1149 GpStatus WINGDIPAPI GdipCreatePath2I(GDIPCONST GpPoint* points,
1150     GDIPCONST BYTE* types, INT count, GpFillMode fill, GpPath **path)
1151 {
1152     GpPointF *ptF;
1153     GpStatus ret;
1154     INT i;
1155
1156     TRACE("(%p, %p, %d, %d, %p)\n", points, types, count, fill, path);
1157
1158     ptF = GdipAlloc(sizeof(GpPointF)*count);
1159
1160     for(i = 0;i < count; i++){
1161         ptF[i].X = (REAL)points[i].X;
1162         ptF[i].Y = (REAL)points[i].Y;
1163     }
1164
1165     ret = GdipCreatePath2(ptF, types, count, fill, path);
1166
1167     GdipFree(ptF);
1168
1169     return ret;
1170 }
1171
1172 GpStatus WINGDIPAPI GdipDeletePath(GpPath *path)
1173 {
1174     TRACE("(%p)\n", path);
1175
1176     if(!path)
1177         return InvalidParameter;
1178
1179     GdipFree(path->pathdata.Points);
1180     GdipFree(path->pathdata.Types);
1181     GdipFree(path);
1182
1183     return Ok;
1184 }
1185
1186 GpStatus WINGDIPAPI GdipFlattenPath(GpPath *path, GpMatrix* matrix, REAL flatness)
1187 {
1188     path_list_node_t *list, *node;
1189     GpPointF pt;
1190     INT i = 1;
1191     INT startidx = 0;
1192     GpStatus stat;
1193
1194     TRACE("(%p, %p, %.2f)\n", path, matrix, flatness);
1195
1196     if(!path)
1197         return InvalidParameter;
1198
1199     if(path->pathdata.Count == 0)
1200         return Ok;
1201
1202     if(matrix){
1203         stat = GdipTransformPath(path, matrix);
1204         if (stat != Ok)
1205             return stat;
1206     }
1207
1208     pt = path->pathdata.Points[0];
1209     if(!init_path_list(&list, pt.X, pt.Y))
1210         return OutOfMemory;
1211
1212     node = list;
1213
1214     while(i < path->pathdata.Count){
1215
1216         BYTE type = path->pathdata.Types[i] & PathPointTypePathTypeMask;
1217         path_list_node_t *start;
1218
1219         pt = path->pathdata.Points[i];
1220
1221         /* save last start point index */
1222         if(type == PathPointTypeStart)
1223             startidx = i;
1224
1225         /* always add line points and start points */
1226         if((type == PathPointTypeStart) || (type == PathPointTypeLine)){
1227             if(!add_path_list_node(node, pt.X, pt.Y, path->pathdata.Types[i]))
1228                 goto memout;
1229
1230             node = node->next;
1231             ++i;
1232             continue;
1233         }
1234
1235         /* Bezier curve */
1236
1237         /* test for closed figure */
1238         if(path->pathdata.Types[i+1] & PathPointTypeCloseSubpath){
1239             pt = path->pathdata.Points[startidx];
1240             ++i;
1241         }
1242         else
1243         {
1244             i += 2;
1245             pt = path->pathdata.Points[i];
1246         };
1247
1248         start = node;
1249         /* add Bezier end point */
1250         type = (path->pathdata.Types[i] & ~PathPointTypePathTypeMask) | PathPointTypeLine;
1251         if(!add_path_list_node(node, pt.X, pt.Y, type))
1252             goto memout;
1253         node = node->next;
1254
1255         /* flatten curve */
1256         if(!flatten_bezier(start, path->pathdata.Points[i-2].X, path->pathdata.Points[i-2].Y,
1257                                   path->pathdata.Points[i-1].X, path->pathdata.Points[i-1].Y,
1258                            node, flatness))
1259             goto memout;
1260
1261         ++i;
1262     }/* while */
1263
1264     /* store path data back */
1265     i = path_list_count(list);
1266     if(!lengthen_path(path, i))
1267         goto memout;
1268     path->pathdata.Count = i;
1269
1270     node = list;
1271     for(i = 0; i < path->pathdata.Count; i++){
1272         path->pathdata.Points[i] = node->pt;
1273         path->pathdata.Types[i]  = node->type;
1274         node = node->next;
1275     }
1276
1277     free_path_list(list);
1278     return Ok;
1279
1280 memout:
1281     free_path_list(list);
1282     return OutOfMemory;
1283 }
1284
1285 GpStatus WINGDIPAPI GdipGetPathData(GpPath *path, GpPathData* pathData)
1286 {
1287     TRACE("(%p, %p)\n", path, pathData);
1288
1289     if(!path || !pathData)
1290         return InvalidParameter;
1291
1292     /* Only copy data. pathData allocation/freeing controlled by wrapper class.
1293        Assumed that pathData is enough wide to get all data - controlled by wrapper too. */
1294     memcpy(pathData->Points, path->pathdata.Points, sizeof(PointF) * pathData->Count);
1295     memcpy(pathData->Types , path->pathdata.Types , pathData->Count);
1296
1297     return Ok;
1298 }
1299
1300 GpStatus WINGDIPAPI GdipGetPathFillMode(GpPath *path, GpFillMode *fillmode)
1301 {
1302     TRACE("(%p, %p)\n", path, fillmode);
1303
1304     if(!path || !fillmode)
1305         return InvalidParameter;
1306
1307     *fillmode = path->fill;
1308
1309     return Ok;
1310 }
1311
1312 GpStatus WINGDIPAPI GdipGetPathLastPoint(GpPath* path, GpPointF* lastPoint)
1313 {
1314     INT count;
1315
1316     TRACE("(%p, %p)\n", path, lastPoint);
1317
1318     if(!path || !lastPoint)
1319         return InvalidParameter;
1320
1321     count = path->pathdata.Count;
1322     if(count > 0)
1323         *lastPoint = path->pathdata.Points[count-1];
1324
1325     return Ok;
1326 }
1327
1328 GpStatus WINGDIPAPI GdipGetPathPoints(GpPath *path, GpPointF* points, INT count)
1329 {
1330     TRACE("(%p, %p, %d)\n", path, points, count);
1331
1332     if(!path)
1333         return InvalidParameter;
1334
1335     if(count < path->pathdata.Count)
1336         return InsufficientBuffer;
1337
1338     memcpy(points, path->pathdata.Points, path->pathdata.Count * sizeof(GpPointF));
1339
1340     return Ok;
1341 }
1342
1343 GpStatus WINGDIPAPI GdipGetPathPointsI(GpPath *path, GpPoint* points, INT count)
1344 {
1345     GpStatus ret;
1346     GpPointF *ptf;
1347     INT i;
1348
1349     TRACE("(%p, %p, %d)\n", path, points, count);
1350
1351     if(count <= 0)
1352         return InvalidParameter;
1353
1354     ptf = GdipAlloc(sizeof(GpPointF)*count);
1355     if(!ptf)    return OutOfMemory;
1356
1357     ret = GdipGetPathPoints(path,ptf,count);
1358     if(ret == Ok)
1359         for(i = 0;i < count;i++){
1360             points[i].X = roundr(ptf[i].X);
1361             points[i].Y = roundr(ptf[i].Y);
1362         };
1363     GdipFree(ptf);
1364
1365     return ret;
1366 }
1367
1368 GpStatus WINGDIPAPI GdipGetPathTypes(GpPath *path, BYTE* types, INT count)
1369 {
1370     TRACE("(%p, %p, %d)\n", path, types, count);
1371
1372     if(!path)
1373         return InvalidParameter;
1374
1375     if(count < path->pathdata.Count)
1376         return InsufficientBuffer;
1377
1378     memcpy(types, path->pathdata.Types, path->pathdata.Count);
1379
1380     return Ok;
1381 }
1382
1383 /* Windows expands the bounding box to the maximum possible bounding box
1384  * for a given pen.  For example, if a line join can extend past the point
1385  * it's joining by x units, the bounding box is extended by x units in every
1386  * direction (even though this is too conservative for most cases). */
1387 GpStatus WINGDIPAPI GdipGetPathWorldBounds(GpPath* path, GpRectF* bounds,
1388     GDIPCONST GpMatrix *matrix, GDIPCONST GpPen *pen)
1389 {
1390     GpPointF * points, temp_pts[4];
1391     INT count, i;
1392     REAL path_width = 1.0, width, height, temp, low_x, low_y, high_x, high_y;
1393
1394     TRACE("(%p, %p, %p, %p)\n", path, bounds, matrix, pen);
1395
1396     /* Matrix and pen can be null. */
1397     if(!path || !bounds)
1398         return InvalidParameter;
1399
1400     /* If path is empty just return. */
1401     count = path->pathdata.Count;
1402     if(count == 0){
1403         bounds->X = bounds->Y = bounds->Width = bounds->Height = 0.0;
1404         return Ok;
1405     }
1406
1407     points = path->pathdata.Points;
1408
1409     low_x = high_x = points[0].X;
1410     low_y = high_y = points[0].Y;
1411
1412     for(i = 1; i < count; i++){
1413         low_x = min(low_x, points[i].X);
1414         low_y = min(low_y, points[i].Y);
1415         high_x = max(high_x, points[i].X);
1416         high_y = max(high_y, points[i].Y);
1417     }
1418
1419     width = high_x - low_x;
1420     height = high_y - low_y;
1421
1422     /* This looks unusual but it's the only way I can imitate windows. */
1423     if(matrix){
1424         temp_pts[0].X = low_x;
1425         temp_pts[0].Y = low_y;
1426         temp_pts[1].X = low_x;
1427         temp_pts[1].Y = high_y;
1428         temp_pts[2].X = high_x;
1429         temp_pts[2].Y = high_y;
1430         temp_pts[3].X = high_x;
1431         temp_pts[3].Y = low_y;
1432
1433         GdipTransformMatrixPoints((GpMatrix*)matrix, temp_pts, 4);
1434         low_x = temp_pts[0].X;
1435         low_y = temp_pts[0].Y;
1436
1437         for(i = 1; i < 4; i++){
1438             low_x = min(low_x, temp_pts[i].X);
1439             low_y = min(low_y, temp_pts[i].Y);
1440         }
1441
1442         temp = width;
1443         width = height * fabs(matrix->matrix[2]) + width * fabs(matrix->matrix[0]);
1444         height = height * fabs(matrix->matrix[3]) + temp * fabs(matrix->matrix[1]);
1445     }
1446
1447     if(pen){
1448         path_width = pen->width / 2.0;
1449
1450         if(count > 2)
1451             path_width = max(path_width,  pen->width * pen->miterlimit / 2.0);
1452         /* FIXME: this should probably also check for the startcap */
1453         if(pen->endcap & LineCapNoAnchor)
1454             path_width = max(path_width,  pen->width * 2.2);
1455
1456         low_x -= path_width;
1457         low_y -= path_width;
1458         width += 2.0 * path_width;
1459         height += 2.0 * path_width;
1460     }
1461
1462     bounds->X = low_x;
1463     bounds->Y = low_y;
1464     bounds->Width = width;
1465     bounds->Height = height;
1466
1467     return Ok;
1468 }
1469
1470 GpStatus WINGDIPAPI GdipGetPathWorldBoundsI(GpPath* path, GpRect* bounds,
1471     GDIPCONST GpMatrix *matrix, GDIPCONST GpPen *pen)
1472 {
1473     GpStatus ret;
1474     GpRectF boundsF;
1475
1476     TRACE("(%p, %p, %p, %p)\n", path, bounds, matrix, pen);
1477
1478     ret = GdipGetPathWorldBounds(path,&boundsF,matrix,pen);
1479
1480     if(ret == Ok){
1481         bounds->X      = roundr(boundsF.X);
1482         bounds->Y      = roundr(boundsF.Y);
1483         bounds->Width  = roundr(boundsF.Width);
1484         bounds->Height = roundr(boundsF.Height);
1485     }
1486
1487     return ret;
1488 }
1489
1490 GpStatus WINGDIPAPI GdipGetPointCount(GpPath *path, INT *count)
1491 {
1492     TRACE("(%p, %p)\n", path, count);
1493
1494     if(!path)
1495         return InvalidParameter;
1496
1497     *count = path->pathdata.Count;
1498
1499     return Ok;
1500 }
1501
1502 GpStatus WINGDIPAPI GdipReversePath(GpPath* path)
1503 {
1504     INT i, count;
1505     INT start = 0; /* position in reversed path */
1506     GpPathData revpath;
1507
1508     TRACE("(%p)\n", path);
1509
1510     if(!path)
1511         return InvalidParameter;
1512
1513     count = path->pathdata.Count;
1514
1515     if(count == 0) return Ok;
1516
1517     revpath.Points = GdipAlloc(sizeof(GpPointF)*count);
1518     revpath.Types  = GdipAlloc(sizeof(BYTE)*count);
1519     revpath.Count  = count;
1520     if(!revpath.Points || !revpath.Types){
1521         GdipFree(revpath.Points);
1522         GdipFree(revpath.Types);
1523         return OutOfMemory;
1524     }
1525
1526     for(i = 0; i < count; i++){
1527
1528         /* find next start point */
1529         if(path->pathdata.Types[count-i-1] == PathPointTypeStart){
1530             INT j;
1531             for(j = start; j <= i; j++){
1532                 revpath.Points[j] = path->pathdata.Points[count-j-1];
1533                 revpath.Types[j] = path->pathdata.Types[count-j-1];
1534             }
1535             /* mark start point */
1536             revpath.Types[start] = PathPointTypeStart;
1537             /* set 'figure' endpoint type */
1538             if(i-start > 1){
1539                 revpath.Types[i] = path->pathdata.Types[count-start-1] & ~PathPointTypePathTypeMask;
1540                 revpath.Types[i] |= revpath.Types[i-1];
1541             }
1542             else
1543                 revpath.Types[i] = path->pathdata.Types[start];
1544
1545             start = i+1;
1546         }
1547     }
1548
1549     memcpy(path->pathdata.Points, revpath.Points, sizeof(GpPointF)*count);
1550     memcpy(path->pathdata.Types,  revpath.Types,  sizeof(BYTE)*count);
1551
1552     GdipFree(revpath.Points);
1553     GdipFree(revpath.Types);
1554
1555     return Ok;
1556 }
1557
1558 GpStatus WINGDIPAPI GdipIsOutlineVisiblePathPointI(GpPath* path, INT x, INT y,
1559     GpPen *pen, GpGraphics *graphics, BOOL *result)
1560 {
1561     TRACE("(%p, %d, %d, %p, %p, %p)\n", path, x, y, pen, graphics, result);
1562
1563     return GdipIsOutlineVisiblePathPoint(path, x, y, pen, graphics, result);
1564 }
1565
1566 GpStatus WINGDIPAPI GdipIsOutlineVisiblePathPoint(GpPath* path, REAL x, REAL y,
1567     GpPen *pen, GpGraphics *graphics, BOOL *result)
1568 {
1569     static int calls;
1570
1571     TRACE("(%p,%0.2f,%0.2f,%p,%p,%p)\n", path, x, y, pen, graphics, result);
1572
1573     if(!path || !pen)
1574         return InvalidParameter;
1575
1576     if(!(calls++))
1577         FIXME("not implemented\n");
1578
1579     return NotImplemented;
1580 }
1581
1582 GpStatus WINGDIPAPI GdipIsVisiblePathPointI(GpPath* path, INT x, INT y, GpGraphics *graphics, BOOL *result)
1583 {
1584     TRACE("(%p, %d, %d, %p, %p)\n", path, x, y, graphics, result);
1585
1586     return GdipIsVisiblePathPoint(path, x, y, graphics, result);
1587 }
1588
1589 /*****************************************************************************
1590  * GdipIsVisiblePathPoint [GDIPLUS.@]
1591  */
1592 GpStatus WINGDIPAPI GdipIsVisiblePathPoint(GpPath* path, REAL x, REAL y, GpGraphics *graphics, BOOL *result)
1593 {
1594     GpRegion *region;
1595     HRGN hrgn;
1596     GpStatus status;
1597
1598     if(!path || !result) return InvalidParameter;
1599
1600     status = GdipCreateRegionPath(path, &region);
1601     if(status != Ok)
1602         return status;
1603
1604     status = GdipGetRegionHRgn(region, graphics, &hrgn);
1605     if(status != Ok){
1606         GdipDeleteRegion(region);
1607         return status;
1608     }
1609
1610     *result = PtInRegion(hrgn, roundr(x), roundr(y));
1611
1612     DeleteObject(hrgn);
1613     GdipDeleteRegion(region);
1614
1615     return Ok;
1616 }
1617
1618 GpStatus WINGDIPAPI GdipStartPathFigure(GpPath *path)
1619 {
1620     TRACE("(%p)\n", path);
1621
1622     if(!path)
1623         return InvalidParameter;
1624
1625     path->newfigure = TRUE;
1626
1627     return Ok;
1628 }
1629
1630 GpStatus WINGDIPAPI GdipResetPath(GpPath *path)
1631 {
1632     TRACE("(%p)\n", path);
1633
1634     if(!path)
1635         return InvalidParameter;
1636
1637     path->pathdata.Count = 0;
1638     path->newfigure = TRUE;
1639     path->fill = FillModeAlternate;
1640
1641     return Ok;
1642 }
1643
1644 GpStatus WINGDIPAPI GdipSetPathFillMode(GpPath *path, GpFillMode fill)
1645 {
1646     TRACE("(%p, %d)\n", path, fill);
1647
1648     if(!path)
1649         return InvalidParameter;
1650
1651     path->fill = fill;
1652
1653     return Ok;
1654 }
1655
1656 GpStatus WINGDIPAPI GdipTransformPath(GpPath *path, GpMatrix *matrix)
1657 {
1658     TRACE("(%p, %p)\n", path, matrix);
1659
1660     if(!path)
1661         return InvalidParameter;
1662
1663     if(path->pathdata.Count == 0)
1664         return Ok;
1665
1666     return GdipTransformMatrixPoints(matrix, path->pathdata.Points,
1667                                      path->pathdata.Count);
1668 }
1669
1670 GpStatus WINGDIPAPI GdipWarpPath(GpPath *path, GpMatrix* matrix,
1671     GDIPCONST GpPointF *points, INT count, REAL x, REAL y, REAL width,
1672     REAL height, WarpMode warpmode, REAL flatness)
1673 {
1674     FIXME("(%p,%p,%p,%i,%0.2f,%0.2f,%0.2f,%0.2f,%i,%0.2f)\n", path, matrix,
1675         points, count, x, y, width, height, warpmode, flatness);
1676
1677     return NotImplemented;
1678 }
1679
1680 static void add_bevel_point(const GpPointF *endpoint, const GpPointF *nextpoint,
1681     GpPen *pen, int right_side, path_list_node_t **last_point)
1682 {
1683     REAL segment_dy = nextpoint->Y-endpoint->Y;
1684     REAL segment_dx = nextpoint->X-endpoint->X;
1685     REAL segment_length = sqrtf(segment_dy*segment_dy + segment_dx*segment_dx);
1686     REAL distance = pen->width/2.0;
1687     REAL bevel_dx, bevel_dy;
1688
1689     if (right_side)
1690     {
1691         bevel_dx = -distance * segment_dy / segment_length;
1692         bevel_dy = distance * segment_dx / segment_length;
1693     }
1694     else
1695     {
1696         bevel_dx = distance * segment_dy / segment_length;
1697         bevel_dy = -distance * segment_dx / segment_length;
1698     }
1699
1700     *last_point = add_path_list_node(*last_point, endpoint->X + bevel_dx,
1701         endpoint->Y + bevel_dy, PathPointTypeLine);
1702 }
1703
1704 static void widen_joint(const GpPointF *p1, const GpPointF *p2, const GpPointF *p3,
1705     GpPen* pen, path_list_node_t **last_point)
1706 {
1707     switch (pen->join)
1708     {
1709     case LineJoinMiter:
1710     case LineJoinMiterClipped:
1711     {
1712         if ((p2->X - p1->X) * (p3->Y - p1->Y) > (p2->Y - p1->Y) * (p3->X - p1->X))
1713         {
1714             float distance = pen->width/2.0;
1715             float length_0 = sqrtf((p2->X-p1->X)*(p2->X-p1->X)+(p2->Y-p1->Y)*(p2->Y-p1->Y));
1716             float length_1 = sqrtf((p3->X-p2->X)*(p3->X-p2->X)+(p3->Y-p2->Y)*(p3->Y-p2->Y));
1717             float dx0 = distance * (p2->X - p1->X) / length_0;
1718             float dy0 = distance * (p2->Y - p1->Y) / length_0;
1719             float dx1 = distance * (p3->X - p2->X) / length_1;
1720             float dy1 = distance * (p3->Y - p2->Y) / length_1;
1721             float det = (dy0*dx1 - dx0*dy1);
1722             float dx = (dx0*dx1*(dx0-dx1) + dy0*dy0*dx1 - dy1*dy1*dx0)/det;
1723             float dy = (dy0*dy1*(dy0-dy1) + dx0*dx0*dy1 - dx1*dx1*dy0)/det;
1724             if (dx*dx + dy*dy < pen->miterlimit*pen->miterlimit * distance*distance)
1725             {
1726                 *last_point = add_path_list_node(*last_point, p2->X + dx,
1727                     p2->Y + dy, PathPointTypeLine);
1728                 break;
1729             }
1730             else if (pen->join == LineJoinMiter)
1731             {
1732                 static int once;
1733                 if (!once++)
1734                     FIXME("should add a clipped corner\n");
1735             }
1736             /* else fall-through */
1737         }
1738         /* else fall-through */
1739     }
1740     default:
1741     case LineJoinBevel:
1742         add_bevel_point(p2, p1, pen, 1, last_point);
1743         add_bevel_point(p2, p3, pen, 0, last_point);
1744         break;
1745     }
1746 }
1747
1748 static void widen_cap(const GpPointF *endpoint, const GpPointF *nextpoint,
1749     GpPen *pen, GpLineCap cap, GpCustomLineCap *custom, int add_first_points,
1750     int add_last_point, path_list_node_t **last_point)
1751 {
1752     switch (cap)
1753     {
1754     default:
1755     case LineCapFlat:
1756         if (add_first_points)
1757             add_bevel_point(endpoint, nextpoint, pen, 1, last_point);
1758         if (add_last_point)
1759             add_bevel_point(endpoint, nextpoint, pen, 0, last_point);
1760         break;
1761     }
1762 }
1763
1764 static void widen_open_figure(GpPath *path, GpPen *pen, int start, int end,
1765     path_list_node_t **last_point)
1766 {
1767     int i;
1768
1769     if (end <= start)
1770         return;
1771
1772     widen_cap(&path->pathdata.Points[start], &path->pathdata.Points[start+1],
1773         pen, pen->startcap, pen->customstart, FALSE, TRUE, last_point);
1774
1775     (*last_point)->type = PathPointTypeStart;
1776
1777     for (i=start+1; i<end; i++)
1778         widen_joint(&path->pathdata.Points[i-1], &path->pathdata.Points[i],
1779             &path->pathdata.Points[i+1], pen, last_point);
1780
1781     widen_cap(&path->pathdata.Points[end], &path->pathdata.Points[end-1],
1782         pen, pen->endcap, pen->customend, TRUE, TRUE, last_point);
1783
1784     for (i=end-1; i>start; i--)
1785         widen_joint(&path->pathdata.Points[i+1], &path->pathdata.Points[i],
1786             &path->pathdata.Points[i-1], pen, last_point);
1787
1788     widen_cap(&path->pathdata.Points[start], &path->pathdata.Points[start+1],
1789         pen, pen->startcap, pen->customstart, TRUE, FALSE, last_point);
1790
1791     (*last_point)->type |= PathPointTypeCloseSubpath;
1792 }
1793
1794 static void widen_closed_figure(GpPath *path, GpPen *pen, int start, int end,
1795     path_list_node_t **last_point)
1796 {
1797     int i;
1798     path_list_node_t *prev_point;
1799
1800     if (end <= start+1)
1801         return;
1802
1803     /* left outline */
1804     prev_point = *last_point;
1805
1806     widen_joint(&path->pathdata.Points[end], &path->pathdata.Points[start],
1807         &path->pathdata.Points[start+1], pen, last_point);
1808
1809     for (i=start+1; i<end; i++)
1810         widen_joint(&path->pathdata.Points[i-1], &path->pathdata.Points[i],
1811             &path->pathdata.Points[i+1], pen, last_point);
1812
1813     widen_joint(&path->pathdata.Points[end-1], &path->pathdata.Points[end],
1814         &path->pathdata.Points[start], pen, last_point);
1815
1816     prev_point->next->type = PathPointTypeStart;
1817     (*last_point)->type |= PathPointTypeCloseSubpath;
1818
1819     /* right outline */
1820     prev_point = *last_point;
1821
1822     widen_joint(&path->pathdata.Points[start], &path->pathdata.Points[end],
1823         &path->pathdata.Points[end-1], pen, last_point);
1824
1825     for (i=end-1; i>start; i--)
1826         widen_joint(&path->pathdata.Points[i+1], &path->pathdata.Points[i],
1827             &path->pathdata.Points[i-1], pen, last_point);
1828
1829     widen_joint(&path->pathdata.Points[start+1], &path->pathdata.Points[start],
1830         &path->pathdata.Points[end], pen, last_point);
1831
1832     prev_point->next->type = PathPointTypeStart;
1833     (*last_point)->type |= PathPointTypeCloseSubpath;
1834 }
1835
1836 GpStatus WINGDIPAPI GdipWidenPath(GpPath *path, GpPen *pen, GpMatrix *matrix,
1837     REAL flatness)
1838 {
1839     GpPath *flat_path=NULL;
1840     GpStatus status;
1841     path_list_node_t *points=NULL, *last_point=NULL;
1842     int i, subpath_start=0, new_length;
1843     BYTE type;
1844
1845     TRACE("(%p,%p,%p,%0.2f)\n", path, pen, matrix, flatness);
1846
1847     if (!path || !pen)
1848         return InvalidParameter;
1849
1850     if (path->pathdata.Count <= 1)
1851         return OutOfMemory;
1852
1853     status = GdipClonePath(path, &flat_path);
1854
1855     if (status == Ok)
1856         status = GdipFlattenPath(flat_path, matrix, flatness);
1857
1858     if (status == Ok && !init_path_list(&points, 314.0, 22.0))
1859         status = OutOfMemory;
1860
1861     if (status == Ok)
1862     {
1863         last_point = points;
1864
1865         if (pen->endcap != LineCapFlat)
1866             FIXME("unimplemented end cap %x\n", pen->endcap);
1867
1868         if (pen->startcap != LineCapFlat)
1869             FIXME("unimplemented start cap %x\n", pen->startcap);
1870
1871         if (pen->dashcap != DashCapFlat)
1872             FIXME("unimplemented dash cap %d\n", pen->dashcap);
1873
1874         if (pen->join == LineJoinRound)
1875             FIXME("unimplemented line join %d\n", pen->join);
1876
1877         if (pen->dash != DashStyleSolid)
1878             FIXME("unimplemented dash style %d\n", pen->dash);
1879
1880         if (pen->align != PenAlignmentCenter)
1881             FIXME("unimplemented pen alignment %d\n", pen->align);
1882
1883         for (i=0; i < flat_path->pathdata.Count; i++)
1884         {
1885             type = flat_path->pathdata.Types[i];
1886
1887             if ((type&PathPointTypePathTypeMask) == PathPointTypeStart)
1888                 subpath_start = i;
1889
1890             if ((type&PathPointTypeCloseSubpath) == PathPointTypeCloseSubpath)
1891             {
1892                 widen_closed_figure(flat_path, pen, subpath_start, i, &last_point);
1893             }
1894             else if (i == flat_path->pathdata.Count-1 ||
1895                 (flat_path->pathdata.Types[i+1]&PathPointTypePathTypeMask) == PathPointTypeStart)
1896             {
1897                 widen_open_figure(flat_path, pen, subpath_start, i, &last_point);
1898             }
1899         }
1900
1901         new_length = path_list_count(points)-1;
1902
1903         if (!lengthen_path(path, new_length))
1904             status = OutOfMemory;
1905     }
1906
1907     if (status == Ok)
1908     {
1909         path->pathdata.Count = new_length;
1910
1911         last_point = points->next;
1912         for (i = 0; i < new_length; i++)
1913         {
1914             path->pathdata.Points[i] = last_point->pt;
1915             path->pathdata.Types[i] = last_point->type;
1916             last_point = last_point->next;
1917         }
1918
1919         path->fill = FillModeWinding;
1920     }
1921
1922     free_path_list(points);
1923
1924     GdipDeletePath(flat_path);
1925
1926     return status;
1927 }
1928
1929 GpStatus WINGDIPAPI GdipAddPathRectangle(GpPath *path, REAL x, REAL y,
1930     REAL width, REAL height)
1931 {
1932     GpPath *backup;
1933     GpPointF ptf[2];
1934     GpStatus retstat;
1935     BOOL old_new;
1936
1937     TRACE("(%p, %.2f, %.2f, %.2f, %.2f)\n", path, x, y, width, height);
1938
1939     if(!path)
1940         return InvalidParameter;
1941
1942     /* make a backup copy of path data */
1943     if((retstat = GdipClonePath(path, &backup)) != Ok)
1944         return retstat;
1945
1946     /* rectangle should start as new path */
1947     old_new = path->newfigure;
1948     path->newfigure = TRUE;
1949     if((retstat = GdipAddPathLine(path,x,y,x+width,y)) != Ok){
1950         path->newfigure = old_new;
1951         goto fail;
1952     }
1953
1954     ptf[0].X = x+width;
1955     ptf[0].Y = y+height;
1956     ptf[1].X = x;
1957     ptf[1].Y = y+height;
1958
1959     if((retstat = GdipAddPathLine2(path, ptf, 2)) != Ok)  goto fail;
1960     path->pathdata.Types[path->pathdata.Count-1] |= PathPointTypeCloseSubpath;
1961
1962     /* free backup */
1963     GdipDeletePath(backup);
1964     return Ok;
1965
1966 fail:
1967     /* reverting */
1968     GdipFree(path->pathdata.Points);
1969     GdipFree(path->pathdata.Types);
1970     memcpy(path, backup, sizeof(*path));
1971     GdipFree(backup);
1972
1973     return retstat;
1974 }
1975
1976 GpStatus WINGDIPAPI GdipAddPathRectangleI(GpPath *path, INT x, INT y,
1977     INT width, INT height)
1978 {
1979     TRACE("(%p, %d, %d, %d, %d)\n", path, x, y, width, height);
1980
1981     return GdipAddPathRectangle(path,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
1982 }
1983
1984 GpStatus WINGDIPAPI GdipAddPathRectangles(GpPath *path, GDIPCONST GpRectF *rects, INT count)
1985 {
1986     GpPath *backup;
1987     GpStatus retstat;
1988     INT i;
1989
1990     TRACE("(%p, %p, %d)\n", path, rects, count);
1991
1992     /* count == 0 - verified condition  */
1993     if(!path || !rects || count == 0)
1994         return InvalidParameter;
1995
1996     if(count < 0)
1997         return OutOfMemory;
1998
1999     /* make a backup copy */
2000     if((retstat = GdipClonePath(path, &backup)) != Ok)
2001         return retstat;
2002
2003     for(i = 0; i < count; i++){
2004         if((retstat = GdipAddPathRectangle(path,rects[i].X,rects[i].Y,rects[i].Width,rects[i].Height)) != Ok)
2005             goto fail;
2006     }
2007
2008     /* free backup */
2009     GdipDeletePath(backup);
2010     return Ok;
2011
2012 fail:
2013     /* reverting */
2014     GdipFree(path->pathdata.Points);
2015     GdipFree(path->pathdata.Types);
2016     memcpy(path, backup, sizeof(*path));
2017     GdipFree(backup);
2018
2019     return retstat;
2020 }
2021
2022 GpStatus WINGDIPAPI GdipAddPathRectanglesI(GpPath *path, GDIPCONST GpRect *rects, INT count)
2023 {
2024     GpRectF *rectsF;
2025     GpStatus retstat;
2026     INT i;
2027
2028     TRACE("(%p, %p, %d)\n", path, rects, count);
2029
2030     if(!rects || count == 0)
2031         return InvalidParameter;
2032
2033     if(count < 0)
2034         return OutOfMemory;
2035
2036     rectsF = GdipAlloc(sizeof(GpRectF)*count);
2037
2038     for(i = 0;i < count;i++){
2039         rectsF[i].X      = (REAL)rects[i].X;
2040         rectsF[i].Y      = (REAL)rects[i].Y;
2041         rectsF[i].Width  = (REAL)rects[i].Width;
2042         rectsF[i].Height = (REAL)rects[i].Height;
2043     }
2044
2045     retstat = GdipAddPathRectangles(path, rectsF, count);
2046     GdipFree(rectsF);
2047
2048     return retstat;
2049 }
2050
2051 GpStatus WINGDIPAPI GdipSetPathMarker(GpPath* path)
2052 {
2053     INT count;
2054
2055     TRACE("(%p)\n", path);
2056
2057     if(!path)
2058         return InvalidParameter;
2059
2060     count = path->pathdata.Count;
2061
2062     /* set marker flag */
2063     if(count > 0)
2064         path->pathdata.Types[count-1] |= PathPointTypePathMarker;
2065
2066     return Ok;
2067 }
2068
2069 GpStatus WINGDIPAPI GdipClearPathMarkers(GpPath* path)
2070 {
2071     INT count;
2072     INT i;
2073
2074     TRACE("(%p)\n", path);
2075
2076     if(!path)
2077         return InvalidParameter;
2078
2079     count = path->pathdata.Count;
2080
2081     for(i = 0; i < count - 1; i++){
2082         path->pathdata.Types[i] &= ~PathPointTypePathMarker;
2083     }
2084
2085     return Ok;
2086 }
2087
2088 GpStatus WINGDIPAPI GdipWindingModeOutline(GpPath *path, GpMatrix *matrix, REAL flatness)
2089 {
2090    FIXME("stub: %p, %p, %.2f\n", path, matrix, flatness);
2091    return NotImplemented;
2092 }