2 * Copyright (C) 2007 Google (Evan Stade)
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.
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.
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
31 #include "gdiplus_private.h"
32 #include "wine/debug.h"
34 WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
36 typedef struct path_list_node_t path_list_node_t;
37 struct path_list_node_t {
39 BYTE type; /* PathPointTypeStart or PathPointTypeLine */
40 path_list_node_t *next;
44 static BOOL init_path_list(path_list_node_t **node, REAL x, REAL y)
46 *node = GdipAlloc(sizeof(path_list_node_t));
52 (*node)->type = PathPointTypeStart;
58 /* free all nodes including argument */
59 static void free_path_list(path_list_node_t *node)
61 path_list_node_t *n = node;
70 /* Add a node after 'node' */
74 * NULL on allocation problems
76 static path_list_node_t* add_path_list_node(path_list_node_t *node, REAL x, REAL y, BOOL type)
78 path_list_node_t *new;
80 new = GdipAlloc(sizeof(path_list_node_t));
87 new->next = node->next;
93 /* returns element count */
94 static INT path_list_count(path_list_node_t *node)
98 while((node = node->next))
104 /* GdipFlattenPath helper */
106 * Used to recursively flatten single Bezier curve
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.
116 * FALSE: out of memory
118 * TODO: used quality criteria should be revised to match native as
119 * closer as possible.
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)
124 /* this 5 middle points with start/end define to half-curves */
127 path_list_node_t *node;
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;
142 mp[2].X = (mp[1].X + mp[3].X) / 2.0;
143 mp[2].Y = (mp[1].Y + mp[3].Y) / 2.0;
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))))){
154 /* add a middle point */
155 if(!(node = add_path_list_node(start, mp[2].X, mp[2].Y, PathPointTypeLine)))
158 /* do the same with halfs */
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);
165 GpStatus WINGDIPAPI GdipAddPathArc(GpPath *path, REAL x1, REAL y1, REAL x2,
166 REAL y2, REAL startAngle, REAL sweepAngle)
168 INT count, old_count, i;
170 TRACE("(%p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n",
171 path, x1, y1, x2, y2, startAngle, sweepAngle);
174 return InvalidParameter;
176 count = arc2polybezier(NULL, x1, y1, x2, y2, startAngle, sweepAngle);
180 if(!lengthen_path(path, count))
183 old_count = path->pathdata.Count;
184 arc2polybezier(&path->pathdata.Points[old_count], x1, y1, x2, y2,
185 startAngle, sweepAngle);
187 for(i = 0; i < count; i++){
188 path->pathdata.Types[old_count + i] = PathPointTypeBezier;
191 path->pathdata.Types[old_count] =
192 (path->newfigure ? PathPointTypeStart : PathPointTypeLine);
193 path->newfigure = FALSE;
194 path->pathdata.Count += count;
199 GpStatus WINGDIPAPI GdipAddPathArcI(GpPath *path, INT x1, INT y1, INT x2,
200 INT y2, REAL startAngle, REAL sweepAngle)
202 TRACE("(%p, %d, %d, %d, %d, %.2f, %.2f)\n",
203 path, x1, y1, x2, y2, startAngle, sweepAngle);
205 return GdipAddPathArc(path,(REAL)x1,(REAL)y1,(REAL)x2,(REAL)y2,startAngle,sweepAngle);
208 GpStatus WINGDIPAPI GdipAddPathBezier(GpPath *path, REAL x1, REAL y1, REAL x2,
209 REAL y2, REAL x3, REAL y3, REAL x4, REAL y4)
213 TRACE("(%p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n",
214 path, x1, y1, x2, y2, x3, y3, x4, y4);
217 return InvalidParameter;
219 if(!lengthen_path(path, 4))
222 old_count = path->pathdata.Count;
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;
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;
239 path->newfigure = FALSE;
240 path->pathdata.Count += 4;
245 GpStatus WINGDIPAPI GdipAddPathBezierI(GpPath *path, INT x1, INT y1, INT x2,
246 INT y2, INT x3, INT y3, INT x4, INT y4)
248 TRACE("(%p, %d, %d, %d, %d, %d, %d, %d, %d)\n",
249 path, x1, y1, x2, y2, x3, y3, x4, y4);
251 return GdipAddPathBezier(path,(REAL)x1,(REAL)y1,(REAL)x2,(REAL)y2,(REAL)x3,(REAL)y3,
255 GpStatus WINGDIPAPI GdipAddPathBeziers(GpPath *path, GDIPCONST GpPointF *points,
260 TRACE("(%p, %p, %d)\n", path, points, count);
262 if(!path || !points || ((count - 1) % 3))
263 return InvalidParameter;
265 if(!lengthen_path(path, count))
268 old_count = path->pathdata.Count;
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;
276 path->pathdata.Types[old_count] =
277 (path->newfigure ? PathPointTypeStart : PathPointTypeLine);
278 path->newfigure = FALSE;
279 path->pathdata.Count += count;
284 GpStatus WINGDIPAPI GdipAddPathBeziersI(GpPath *path, GDIPCONST GpPoint *points,
291 TRACE("(%p, %p, %d)\n", path, points, count);
293 if(!points || ((count - 1) % 3))
294 return InvalidParameter;
296 ptsF = GdipAlloc(sizeof(GpPointF) * count);
300 for(i = 0; i < count; i++){
301 ptsF[i].X = (REAL)points[i].X;
302 ptsF[i].Y = (REAL)points[i].Y;
305 ret = GdipAddPathBeziers(path, ptsF, count);
311 GpStatus WINGDIPAPI GdipAddPathClosedCurve(GpPath *path, GDIPCONST GpPointF *points,
314 TRACE("(%p, %p, %d)\n", path, points, count);
316 return GdipAddPathClosedCurve2(path, points, count, 1.0);
319 GpStatus WINGDIPAPI GdipAddPathClosedCurveI(GpPath *path, GDIPCONST GpPoint *points,
322 TRACE("(%p, %p, %d)\n", path, points, count);
324 return GdipAddPathClosedCurve2I(path, points, count, 1.0);
327 GpStatus WINGDIPAPI GdipAddPathClosedCurve2(GpPath *path, GDIPCONST GpPointF *points,
328 INT count, REAL tension)
330 INT i, len_pt = (count + 1)*3-2;
336 TRACE("(%p, %p, %d, %.2f)\n", path, points, count, tension);
338 if(!path || !points || count <= 1)
339 return InvalidParameter;
341 pt = GdipAlloc(len_pt * sizeof(GpPointF));
342 pts = GdipAlloc((count + 1)*sizeof(GpPointF));
349 /* copy source points to extend with the last one */
350 memcpy(pts, points, sizeof(GpPointF)*count);
353 tension = tension * TENSION_CONST;
355 for(i = 0; i < count-1; i++){
356 calc_curve_bezier(&(pts[i]), tension, &x1, &y1, &x2, &y2);
360 pt[3*i+3].X = pts[i+1].X;
361 pt[3*i+3].Y = pts[i+1].Y;
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 */
372 calc_curve_bezier(pts, tension, &x1, &y1, &x2, &y2);
380 pt[len_pt-1].X = pt[0].X;
381 pt[len_pt-1].Y = pt[0].Y;
383 stat = GdipAddPathBeziers(path, pt, len_pt);
387 path->pathdata.Types[path->pathdata.Count - 1] |= PathPointTypeCloseSubpath;
388 path->newfigure = TRUE;
397 GpStatus WINGDIPAPI GdipAddPathClosedCurve2I(GpPath *path, GDIPCONST GpPoint *points,
398 INT count, REAL tension)
404 TRACE("(%p, %p, %d, %.2f)\n", path, points, count, tension);
406 if(!path || !points || count <= 1)
407 return InvalidParameter;
409 ptf = GdipAlloc(sizeof(GpPointF)*count);
413 for(i = 0; i < count; i++){
414 ptf[i].X = (REAL)points[i].X;
415 ptf[i].Y = (REAL)points[i].Y;
418 stat = GdipAddPathClosedCurve2(path, ptf, count, tension);
425 GpStatus WINGDIPAPI GdipAddPathCurve(GpPath *path, GDIPCONST GpPointF *points, INT count)
427 TRACE("(%p, %p, %d)\n", path, points, count);
429 if(!path || !points || count <= 1)
430 return InvalidParameter;
432 return GdipAddPathCurve2(path, points, count, 1.0);
435 GpStatus WINGDIPAPI GdipAddPathCurveI(GpPath *path, GDIPCONST GpPoint *points, INT count)
437 TRACE("(%p, %p, %d)\n", path, points, count);
439 if(!path || !points || count <= 1)
440 return InvalidParameter;
442 return GdipAddPathCurve2I(path, points, count, 1.0);
445 GpStatus WINGDIPAPI GdipAddPathCurve2(GpPath *path, GDIPCONST GpPointF *points, INT count,
448 INT i, len_pt = count*3-2;
453 TRACE("(%p, %p, %d, %.2f)\n", path, points, count, tension);
455 if(!path || !points || count <= 1)
456 return InvalidParameter;
458 pt = GdipAlloc(len_pt * sizeof(GpPointF));
462 tension = tension * TENSION_CONST;
464 calc_curve_bezier_endp(points[0].X, points[0].Y, points[1].X, points[1].Y,
467 pt[0].X = points[0].X;
468 pt[0].Y = points[0].Y;
472 for(i = 0; i < count-2; i++){
473 calc_curve_bezier(&(points[i]), tension, &x1, &y1, &x2, &y2);
477 pt[3*i+3].X = points[i+1].X;
478 pt[3*i+3].Y = points[i+1].Y;
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);
488 pt[len_pt-1].X = points[count-1].X;
489 pt[len_pt-1].Y = points[count-1].Y;
491 stat = GdipAddPathBeziers(path, pt, len_pt);
498 GpStatus WINGDIPAPI GdipAddPathCurve2I(GpPath *path, GDIPCONST GpPoint *points,
499 INT count, REAL tension)
505 TRACE("(%p, %p, %d, %.2f)\n", path, points, count, tension);
507 if(!path || !points || count <= 1)
508 return InvalidParameter;
510 ptf = GdipAlloc(sizeof(GpPointF)*count);
514 for(i = 0; i < count; i++){
515 ptf[i].X = (REAL)points[i].X;
516 ptf[i].Y = (REAL)points[i].Y;
519 stat = GdipAddPathCurve2(path, ptf, count, tension);
526 GpStatus WINGDIPAPI GdipAddPathCurve3(GpPath *path, GDIPCONST GpPointF *points,
527 INT count, INT offset, INT nseg, REAL tension)
529 TRACE("(%p, %p, %d, %d, %d, %.2f)\n", path, points, count, offset, nseg, tension);
531 if(!path || !points || offset + 1 >= count || count - offset < nseg + 1)
532 return InvalidParameter;
534 return GdipAddPathCurve2(path, &points[offset], nseg + 1, tension);
537 GpStatus WINGDIPAPI GdipAddPathCurve3I(GpPath *path, GDIPCONST GpPoint *points,
538 INT count, INT offset, INT nseg, REAL tension)
540 TRACE("(%p, %p, %d, %d, %d, %.2f)\n", path, points, count, offset, nseg, tension);
542 if(!path || !points || offset + 1 >= count || count - offset < nseg + 1)
543 return InvalidParameter;
545 return GdipAddPathCurve2I(path, &points[offset], nseg + 1, tension);
548 GpStatus WINGDIPAPI GdipAddPathEllipse(GpPath *path, REAL x, REAL y, REAL width,
551 INT old_count, numpts;
553 TRACE("(%p, %.2f, %.2f, %.2f, %.2f)\n", path, x, y, width, height);
556 return InvalidParameter;
558 if(!lengthen_path(path, MAX_ARC_PTS))
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);
568 memset(&path->pathdata.Types[old_count + 1], PathPointTypeBezier,
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;
580 GpStatus WINGDIPAPI GdipAddPathEllipseI(GpPath *path, INT x, INT y, INT width,
583 TRACE("(%p, %d, %d, %d, %d)\n", path, x, y, width, height);
585 return GdipAddPathEllipse(path,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
588 GpStatus WINGDIPAPI GdipAddPathLine2(GpPath *path, GDIPCONST GpPointF *points,
593 TRACE("(%p, %p, %d)\n", path, points, count);
596 return InvalidParameter;
598 if(!lengthen_path(path, count))
601 old_count = path->pathdata.Count;
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;
610 path->pathdata.Types[old_count] = PathPointTypeStart;
611 path->newfigure = FALSE;
614 path->pathdata.Count += count;
619 GpStatus WINGDIPAPI GdipAddPathLine2I(GpPath *path, GDIPCONST GpPoint *points, INT count)
625 TRACE("(%p, %p, %d)\n", path, points, count);
628 return InvalidParameter;
630 pointsF = GdipAlloc(sizeof(GpPointF) * count);
631 if(!pointsF) return OutOfMemory;
633 for(i = 0;i < count; i++){
634 pointsF[i].X = (REAL)points[i].X;
635 pointsF[i].Y = (REAL)points[i].Y;
638 stat = GdipAddPathLine2(path, pointsF, count);
645 GpStatus WINGDIPAPI GdipAddPathLine(GpPath *path, REAL x1, REAL y1, REAL x2, REAL y2)
649 TRACE("(%p, %.2f, %.2f, %.2f, %.2f)\n", path, x1, y1, x2, y2);
652 return InvalidParameter;
654 if(!lengthen_path(path, 2))
657 old_count = path->pathdata.Count;
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;
664 path->pathdata.Types[old_count] =
665 (path->newfigure ? PathPointTypeStart : PathPointTypeLine);
666 path->pathdata.Types[old_count + 1] = PathPointTypeLine;
668 path->newfigure = FALSE;
669 path->pathdata.Count += 2;
674 GpStatus WINGDIPAPI GdipAddPathLineI(GpPath *path, INT x1, INT y1, INT x2, INT y2)
676 TRACE("(%p, %d, %d, %d, %d)\n", path, x1, y1, x2, y2);
678 return GdipAddPathLine(path, (REAL)x1, (REAL)y1, (REAL)x2, (REAL)y2);
681 GpStatus WINGDIPAPI GdipAddPathPath(GpPath *path, GDIPCONST GpPath* addingPath,
684 INT old_count, count;
686 TRACE("(%p, %p, %d)\n", path, addingPath, connect);
688 if(!path || !addingPath)
689 return InvalidParameter;
691 old_count = path->pathdata.Count;
692 count = addingPath->pathdata.Count;
694 if(!lengthen_path(path, count))
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);
701 if(path->newfigure || !connect)
702 path->pathdata.Types[old_count] = PathPointTypeStart;
704 path->pathdata.Types[old_count] = PathPointTypeLine;
706 path->newfigure = FALSE;
707 path->pathdata.Count += count;
712 GpStatus WINGDIPAPI GdipAddPathPie(GpPath *path, REAL x, REAL y, REAL width, REAL height,
713 REAL startAngle, REAL sweepAngle)
719 TRACE("(%p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n",
720 path, x, y, width, height, startAngle, sweepAngle);
723 return InvalidParameter;
725 /* on zero width/height only start point added */
726 if(width <= 1e-7 || height <= 1e-7){
727 if(!lengthen_path(path, 1))
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;
736 count = arc2polybezier(NULL, x, y, width, height, startAngle, sweepAngle);
741 ptf = GdipAlloc(sizeof(GpPointF)*count);
745 arc2polybezier(ptf, x, y, width, height, startAngle, sweepAngle);
747 status = GdipAddPathLine(path, x + width/2, y + height/2, ptf[0].X, ptf[0].Y);
752 /* one spline is already added as a line endpoint */
753 if(!lengthen_path(path, count - 1)){
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;
762 path->pathdata.Count += count-1;
764 GdipClosePathFigure(path);
771 GpStatus WINGDIPAPI GdipAddPathPieI(GpPath *path, INT x, INT y, INT width, INT height,
772 REAL startAngle, REAL sweepAngle)
774 TRACE("(%p, %d, %d, %d, %d, %.2f, %.2f)\n",
775 path, x, y, width, height, startAngle, sweepAngle);
777 return GdipAddPathPie(path, (REAL)x, (REAL)y, (REAL)width, (REAL)height, startAngle, sweepAngle);
780 GpStatus WINGDIPAPI GdipAddPathPolygon(GpPath *path, GDIPCONST GpPointF *points, INT count)
784 TRACE("(%p, %p, %d)\n", path, points, count);
786 if(!path || !points || count < 3)
787 return InvalidParameter;
789 if(!lengthen_path(path, count))
792 old_count = path->pathdata.Count;
794 memcpy(&path->pathdata.Points[old_count], points, count*sizeof(GpPointF));
795 memset(&path->pathdata.Types[old_count + 1], PathPointTypeLine, count - 1);
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;
806 GpStatus WINGDIPAPI GdipAddPathPolygonI(GpPath *path, GDIPCONST GpPoint *points, INT count)
812 TRACE("(%p, %p, %d)\n", path, points, count);
814 if(!points || count < 3)
815 return InvalidParameter;
817 ptf = GdipAlloc(sizeof(GpPointF) * count);
821 for(i = 0; i < count; i++){
822 ptf[i].X = (REAL)points[i].X;
823 ptf[i].Y = (REAL)points[i].Y;
826 status = GdipAddPathPolygon(path, ptf, count);
833 static float fromfixedpoint(const FIXED v)
835 float f = ((float)v.fract) / (1<<(sizeof(v.fract)*8));
840 struct format_string_args
846 static GpStatus format_string_callback(HDC dc,
847 GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
848 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
849 INT lineno, const RectF *bounds, INT *underlined_indexes,
850 INT underlined_index_count, void *priv)
852 static const MAT2 identity = { {0,1}, {0,0}, {0,0}, {0,1} };
853 struct format_string_args *args = priv;
854 GpPath *path = args->path;
855 GpStatus status = Ok;
860 if (underlined_index_count)
861 FIXME("hotkey underlines not drawn yet\n");
863 for (i = index; i < length; ++i)
866 TTPOLYGONHEADER *ph = NULL;
870 len = GetGlyphOutlineW(dc, string[i], GGO_BEZIER, &gm, 0, NULL, &identity);
871 if (len == GDI_ERROR)
873 status = GenericError;
878 if (!ph || !lengthen_path(path, len / sizeof(POINTFX)))
880 status = OutOfMemory;
883 GetGlyphOutlineW(dc, string[i], GGO_BEZIER, &gm, len, start, &identity);
884 bb_end = gm.gmBlackBoxY + gm.gmptGlyphOrigin.y;
885 if (bb_end + y > args->maxY)
886 args->maxY = bb_end + y;
891 DWORD ofs_start = ofs;
892 ph = (TTPOLYGONHEADER*)&start[ofs];
893 path->pathdata.Types[path->pathdata.Count] = PathPointTypeStart;
894 path->pathdata.Points[path->pathdata.Count].X = x + fromfixedpoint(ph->pfxStart.x);
895 path->pathdata.Points[path->pathdata.Count++].Y = y + bb_end - fromfixedpoint(ph->pfxStart.y);
896 TRACE("Starting at count %i with pos %f, %f)\n", path->pathdata.Count, x, y);
898 while (ofs - ofs_start < ph->cb)
900 TTPOLYCURVE *curve = (TTPOLYCURVE*)&start[ofs];
902 ofs += sizeof(TTPOLYCURVE) + (curve->cpfx - 1) * sizeof(POINTFX);
904 switch (curve->wType)
907 for (j = 0; j < curve->cpfx; ++j)
909 path->pathdata.Types[path->pathdata.Count] = PathPointTypeLine;
910 path->pathdata.Points[path->pathdata.Count].X = x + fromfixedpoint(curve->apfx[j].x);
911 path->pathdata.Points[path->pathdata.Count++].Y = y + bb_end - fromfixedpoint(curve->apfx[j].y);
914 case TT_PRIM_CSPLINE:
915 for (j = 0; j < curve->cpfx; ++j)
917 path->pathdata.Types[path->pathdata.Count] = PathPointTypeBezier;
918 path->pathdata.Points[path->pathdata.Count].X = x + fromfixedpoint(curve->apfx[j].x);
919 path->pathdata.Points[path->pathdata.Count++].Y = y + bb_end - fromfixedpoint(curve->apfx[j].y);
923 ERR("Unhandled type: %u\n", curve->wType);
924 status = GenericError;
927 path->pathdata.Types[path->pathdata.Count - 1] |= PathPointTypeCloseSubpath;
929 path->newfigure = TRUE;
941 GpStatus WINGDIPAPI GdipAddPathString(GpPath* path, GDIPCONST WCHAR* string, INT length, GDIPCONST GpFontFamily* family, INT style, REAL emSize, GDIPCONST RectF* layoutRect, GDIPCONST GpStringFormat* format)
949 struct format_string_args args;
952 FIXME("(%p, %s, %d, %p, %d, %f, %p, %p): stub\n", path, debugstr_w(string), length, family, style, emSize, layoutRect, format);
953 if (!path || !string || !family || !emSize || !layoutRect || !format)
954 return InvalidParameter;
956 status = GdipCreateFont(family, emSize, style, UnitPixel, &font);
960 get_log_fontW(font, NULL, &lfw);
961 hfont = CreateFontIndirectW(&lfw);
964 WARN("Failed to create font\n");
968 if ((status = GdipClonePath(path, &backup)) != Ok)
974 dc = CreateCompatibleDC(0);
975 SelectObject(dc, hfont);
979 status = gdip_format_string(dc, string, length, NULL, layoutRect, format, format_string_callback, &args);
984 if (status != Ok) /* free backup */
986 GdipFree(path->pathdata.Points);
987 GdipFree(path->pathdata.Types);
992 if (format && format->vertalign == StringAlignmentCenter && layoutRect->Y + args.maxY < layoutRect->Height)
994 float inc = layoutRect->Height - args.maxY - layoutRect->Y;
996 for (i = backup->pathdata.Count; i < path->pathdata.Count; ++i)
997 path->pathdata.Points[i].Y += inc;
998 } else if (format && format->vertalign == StringAlignmentFar) {
999 float inc = layoutRect->Height - args.maxY - layoutRect->Y;
1000 for (i = backup->pathdata.Count; i < path->pathdata.Count; ++i)
1001 path->pathdata.Points[i].Y += inc;
1003 GdipDeletePath(backup);
1007 GpStatus WINGDIPAPI GdipAddPathStringI(GpPath* path, GDIPCONST WCHAR* string, INT length, GDIPCONST GpFontFamily* family, INT style, REAL emSize, GDIPCONST Rect* layoutRect, GDIPCONST GpStringFormat* format)
1011 RectF layoutRectF = {
1012 (REAL)layoutRect->X,
1013 (REAL)layoutRect->Y,
1014 (REAL)layoutRect->Width,
1015 (REAL)layoutRect->Height
1017 return GdipAddPathString(path, string, length, family, style, emSize, &layoutRectF, format);
1019 return InvalidParameter;
1022 GpStatus WINGDIPAPI GdipClonePath(GpPath* path, GpPath **clone)
1024 TRACE("(%p, %p)\n", path, clone);
1027 return InvalidParameter;
1029 *clone = GdipAlloc(sizeof(GpPath));
1030 if(!*clone) return OutOfMemory;
1034 (*clone)->pathdata.Points = GdipAlloc(path->datalen * sizeof(PointF));
1035 (*clone)->pathdata.Types = GdipAlloc(path->datalen);
1036 if(!(*clone)->pathdata.Points || !(*clone)->pathdata.Types){
1038 GdipFree((*clone)->pathdata.Points);
1039 GdipFree((*clone)->pathdata.Types);
1043 memcpy((*clone)->pathdata.Points, path->pathdata.Points,
1044 path->datalen * sizeof(PointF));
1045 memcpy((*clone)->pathdata.Types, path->pathdata.Types, path->datalen);
1050 GpStatus WINGDIPAPI GdipClosePathFigure(GpPath* path)
1052 TRACE("(%p)\n", path);
1055 return InvalidParameter;
1057 if(path->pathdata.Count > 0){
1058 path->pathdata.Types[path->pathdata.Count - 1] |= PathPointTypeCloseSubpath;
1059 path->newfigure = TRUE;
1065 GpStatus WINGDIPAPI GdipClosePathFigures(GpPath* path)
1069 TRACE("(%p)\n", path);
1072 return InvalidParameter;
1074 for(i = 1; i < path->pathdata.Count; i++){
1075 if(path->pathdata.Types[i] == PathPointTypeStart)
1076 path->pathdata.Types[i-1] |= PathPointTypeCloseSubpath;
1079 path->newfigure = TRUE;
1084 GpStatus WINGDIPAPI GdipCreatePath(GpFillMode fill, GpPath **path)
1086 TRACE("(%d, %p)\n", fill, path);
1089 return InvalidParameter;
1091 *path = GdipAlloc(sizeof(GpPath));
1092 if(!*path) return OutOfMemory;
1094 (*path)->fill = fill;
1095 (*path)->newfigure = TRUE;
1100 GpStatus WINGDIPAPI GdipCreatePath2(GDIPCONST GpPointF* points,
1101 GDIPCONST BYTE* types, INT count, GpFillMode fill, GpPath **path)
1103 TRACE("(%p, %p, %d, %d, %p)\n", points, types, count, fill, path);
1106 return InvalidParameter;
1108 *path = GdipAlloc(sizeof(GpPath));
1109 if(!*path) return OutOfMemory;
1111 (*path)->pathdata.Points = GdipAlloc(count * sizeof(PointF));
1112 (*path)->pathdata.Types = GdipAlloc(count);
1114 if(!(*path)->pathdata.Points || !(*path)->pathdata.Types){
1115 GdipFree((*path)->pathdata.Points);
1116 GdipFree((*path)->pathdata.Types);
1121 memcpy((*path)->pathdata.Points, points, count * sizeof(PointF));
1122 memcpy((*path)->pathdata.Types, types, count);
1123 (*path)->pathdata.Count = count;
1124 (*path)->datalen = count;
1126 (*path)->fill = fill;
1127 (*path)->newfigure = TRUE;
1132 GpStatus WINGDIPAPI GdipCreatePath2I(GDIPCONST GpPoint* points,
1133 GDIPCONST BYTE* types, INT count, GpFillMode fill, GpPath **path)
1139 TRACE("(%p, %p, %d, %d, %p)\n", points, types, count, fill, path);
1141 ptF = GdipAlloc(sizeof(GpPointF)*count);
1143 for(i = 0;i < count; i++){
1144 ptF[i].X = (REAL)points[i].X;
1145 ptF[i].Y = (REAL)points[i].Y;
1148 ret = GdipCreatePath2(ptF, types, count, fill, path);
1155 GpStatus WINGDIPAPI GdipDeletePath(GpPath *path)
1157 TRACE("(%p)\n", path);
1160 return InvalidParameter;
1162 GdipFree(path->pathdata.Points);
1163 GdipFree(path->pathdata.Types);
1169 GpStatus WINGDIPAPI GdipFlattenPath(GpPath *path, GpMatrix* matrix, REAL flatness)
1171 path_list_node_t *list, *node;
1176 TRACE("(%p, %p, %.2f)\n", path, matrix, flatness);
1179 return InvalidParameter;
1182 WARN("transformation not supported yet!\n");
1183 return NotImplemented;
1186 if(path->pathdata.Count == 0)
1189 pt = path->pathdata.Points[0];
1190 if(!init_path_list(&list, pt.X, pt.Y))
1195 while(i < path->pathdata.Count){
1197 BYTE type = path->pathdata.Types[i] & PathPointTypePathTypeMask;
1198 path_list_node_t *start;
1200 pt = path->pathdata.Points[i];
1202 /* save last start point index */
1203 if(type == PathPointTypeStart)
1206 /* always add line points and start points */
1207 if((type == PathPointTypeStart) || (type == PathPointTypeLine)){
1208 if(!add_path_list_node(node, pt.X, pt.Y, path->pathdata.Types[i]))
1218 /* test for closed figure */
1219 if(path->pathdata.Types[i+1] & PathPointTypeCloseSubpath){
1220 pt = path->pathdata.Points[startidx];
1226 pt = path->pathdata.Points[i];
1230 /* add Bezier end point */
1231 type = (path->pathdata.Types[i] & ~PathPointTypePathTypeMask) | PathPointTypeLine;
1232 if(!add_path_list_node(node, pt.X, pt.Y, type))
1237 if(!flatten_bezier(start, path->pathdata.Points[i-2].X, path->pathdata.Points[i-2].Y,
1238 path->pathdata.Points[i-1].X, path->pathdata.Points[i-1].Y,
1245 /* store path data back */
1246 i = path_list_count(list);
1247 if(!lengthen_path(path, i))
1249 path->pathdata.Count = i;
1252 for(i = 0; i < path->pathdata.Count; i++){
1253 path->pathdata.Points[i] = node->pt;
1254 path->pathdata.Types[i] = node->type;
1258 free_path_list(list);
1262 free_path_list(list);
1266 GpStatus WINGDIPAPI GdipGetPathData(GpPath *path, GpPathData* pathData)
1268 TRACE("(%p, %p)\n", path, pathData);
1270 if(!path || !pathData)
1271 return InvalidParameter;
1273 /* Only copy data. pathData allocation/freeing controlled by wrapper class.
1274 Assumed that pathData is enough wide to get all data - controlled by wrapper too. */
1275 memcpy(pathData->Points, path->pathdata.Points, sizeof(PointF) * pathData->Count);
1276 memcpy(pathData->Types , path->pathdata.Types , pathData->Count);
1281 GpStatus WINGDIPAPI GdipGetPathFillMode(GpPath *path, GpFillMode *fillmode)
1283 TRACE("(%p, %p)\n", path, fillmode);
1285 if(!path || !fillmode)
1286 return InvalidParameter;
1288 *fillmode = path->fill;
1293 GpStatus WINGDIPAPI GdipGetPathLastPoint(GpPath* path, GpPointF* lastPoint)
1297 TRACE("(%p, %p)\n", path, lastPoint);
1299 if(!path || !lastPoint)
1300 return InvalidParameter;
1302 count = path->pathdata.Count;
1304 *lastPoint = path->pathdata.Points[count-1];
1309 GpStatus WINGDIPAPI GdipGetPathPoints(GpPath *path, GpPointF* points, INT count)
1311 TRACE("(%p, %p, %d)\n", path, points, count);
1314 return InvalidParameter;
1316 if(count < path->pathdata.Count)
1317 return InsufficientBuffer;
1319 memcpy(points, path->pathdata.Points, path->pathdata.Count * sizeof(GpPointF));
1324 GpStatus WINGDIPAPI GdipGetPathPointsI(GpPath *path, GpPoint* points, INT count)
1330 TRACE("(%p, %p, %d)\n", path, points, count);
1333 return InvalidParameter;
1335 ptf = GdipAlloc(sizeof(GpPointF)*count);
1336 if(!ptf) return OutOfMemory;
1338 ret = GdipGetPathPoints(path,ptf,count);
1340 for(i = 0;i < count;i++){
1341 points[i].X = roundr(ptf[i].X);
1342 points[i].Y = roundr(ptf[i].Y);
1349 GpStatus WINGDIPAPI GdipGetPathTypes(GpPath *path, BYTE* types, INT count)
1351 TRACE("(%p, %p, %d)\n", path, types, count);
1354 return InvalidParameter;
1356 if(count < path->pathdata.Count)
1357 return InsufficientBuffer;
1359 memcpy(types, path->pathdata.Types, path->pathdata.Count);
1364 /* Windows expands the bounding box to the maximum possible bounding box
1365 * for a given pen. For example, if a line join can extend past the point
1366 * it's joining by x units, the bounding box is extended by x units in every
1367 * direction (even though this is too conservative for most cases). */
1368 GpStatus WINGDIPAPI GdipGetPathWorldBounds(GpPath* path, GpRectF* bounds,
1369 GDIPCONST GpMatrix *matrix, GDIPCONST GpPen *pen)
1371 GpPointF * points, temp_pts[4];
1373 REAL path_width = 1.0, width, height, temp, low_x, low_y, high_x, high_y;
1375 TRACE("(%p, %p, %p, %p)\n", path, bounds, matrix, pen);
1377 /* Matrix and pen can be null. */
1378 if(!path || !bounds)
1379 return InvalidParameter;
1381 /* If path is empty just return. */
1382 count = path->pathdata.Count;
1384 bounds->X = bounds->Y = bounds->Width = bounds->Height = 0.0;
1388 points = path->pathdata.Points;
1390 low_x = high_x = points[0].X;
1391 low_y = high_y = points[0].Y;
1393 for(i = 1; i < count; i++){
1394 low_x = min(low_x, points[i].X);
1395 low_y = min(low_y, points[i].Y);
1396 high_x = max(high_x, points[i].X);
1397 high_y = max(high_y, points[i].Y);
1400 width = high_x - low_x;
1401 height = high_y - low_y;
1403 /* This looks unusual but it's the only way I can imitate windows. */
1405 temp_pts[0].X = low_x;
1406 temp_pts[0].Y = low_y;
1407 temp_pts[1].X = low_x;
1408 temp_pts[1].Y = high_y;
1409 temp_pts[2].X = high_x;
1410 temp_pts[2].Y = high_y;
1411 temp_pts[3].X = high_x;
1412 temp_pts[3].Y = low_y;
1414 GdipTransformMatrixPoints((GpMatrix*)matrix, temp_pts, 4);
1415 low_x = temp_pts[0].X;
1416 low_y = temp_pts[0].Y;
1418 for(i = 1; i < 4; i++){
1419 low_x = min(low_x, temp_pts[i].X);
1420 low_y = min(low_y, temp_pts[i].Y);
1424 width = height * fabs(matrix->matrix[2]) + width * fabs(matrix->matrix[0]);
1425 height = height * fabs(matrix->matrix[3]) + temp * fabs(matrix->matrix[1]);
1429 path_width = pen->width / 2.0;
1432 path_width = max(path_width, pen->width * pen->miterlimit / 2.0);
1433 /* FIXME: this should probably also check for the startcap */
1434 if(pen->endcap & LineCapNoAnchor)
1435 path_width = max(path_width, pen->width * 2.2);
1437 low_x -= path_width;
1438 low_y -= path_width;
1439 width += 2.0 * path_width;
1440 height += 2.0 * path_width;
1445 bounds->Width = width;
1446 bounds->Height = height;
1451 GpStatus WINGDIPAPI GdipGetPathWorldBoundsI(GpPath* path, GpRect* bounds,
1452 GDIPCONST GpMatrix *matrix, GDIPCONST GpPen *pen)
1457 TRACE("(%p, %p, %p, %p)\n", path, bounds, matrix, pen);
1459 ret = GdipGetPathWorldBounds(path,&boundsF,matrix,pen);
1462 bounds->X = roundr(boundsF.X);
1463 bounds->Y = roundr(boundsF.Y);
1464 bounds->Width = roundr(boundsF.Width);
1465 bounds->Height = roundr(boundsF.Height);
1471 GpStatus WINGDIPAPI GdipGetPointCount(GpPath *path, INT *count)
1473 TRACE("(%p, %p)\n", path, count);
1476 return InvalidParameter;
1478 *count = path->pathdata.Count;
1483 GpStatus WINGDIPAPI GdipReversePath(GpPath* path)
1486 INT start = 0; /* position in reversed path */
1489 TRACE("(%p)\n", path);
1492 return InvalidParameter;
1494 count = path->pathdata.Count;
1496 if(count == 0) return Ok;
1498 revpath.Points = GdipAlloc(sizeof(GpPointF)*count);
1499 revpath.Types = GdipAlloc(sizeof(BYTE)*count);
1500 revpath.Count = count;
1501 if(!revpath.Points || !revpath.Types){
1502 GdipFree(revpath.Points);
1503 GdipFree(revpath.Types);
1507 for(i = 0; i < count; i++){
1509 /* find next start point */
1510 if(path->pathdata.Types[count-i-1] == PathPointTypeStart){
1512 for(j = start; j <= i; j++){
1513 revpath.Points[j] = path->pathdata.Points[count-j-1];
1514 revpath.Types[j] = path->pathdata.Types[count-j-1];
1516 /* mark start point */
1517 revpath.Types[start] = PathPointTypeStart;
1518 /* set 'figure' endpoint type */
1520 revpath.Types[i] = path->pathdata.Types[count-start-1] & ~PathPointTypePathTypeMask;
1521 revpath.Types[i] |= revpath.Types[i-1];
1524 revpath.Types[i] = path->pathdata.Types[start];
1530 memcpy(path->pathdata.Points, revpath.Points, sizeof(GpPointF)*count);
1531 memcpy(path->pathdata.Types, revpath.Types, sizeof(BYTE)*count);
1533 GdipFree(revpath.Points);
1534 GdipFree(revpath.Types);
1539 GpStatus WINGDIPAPI GdipIsOutlineVisiblePathPointI(GpPath* path, INT x, INT y,
1540 GpPen *pen, GpGraphics *graphics, BOOL *result)
1542 TRACE("(%p, %d, %d, %p, %p, %p)\n", path, x, y, pen, graphics, result);
1544 return GdipIsOutlineVisiblePathPoint(path, x, y, pen, graphics, result);
1547 GpStatus WINGDIPAPI GdipIsOutlineVisiblePathPoint(GpPath* path, REAL x, REAL y,
1548 GpPen *pen, GpGraphics *graphics, BOOL *result)
1552 TRACE("(%p,%0.2f,%0.2f,%p,%p,%p)\n", path, x, y, pen, graphics, result);
1555 return InvalidParameter;
1558 FIXME("not implemented\n");
1560 return NotImplemented;
1563 GpStatus WINGDIPAPI GdipIsVisiblePathPointI(GpPath* path, INT x, INT y, GpGraphics *graphics, BOOL *result)
1565 TRACE("(%p, %d, %d, %p, %p)\n", path, x, y, graphics, result);
1567 return GdipIsVisiblePathPoint(path, x, y, graphics, result);
1570 /*****************************************************************************
1571 * GdipIsVisiblePathPoint [GDIPLUS.@]
1573 GpStatus WINGDIPAPI GdipIsVisiblePathPoint(GpPath* path, REAL x, REAL y, GpGraphics *graphics, BOOL *result)
1579 if(!path || !result) return InvalidParameter;
1581 status = GdipCreateRegionPath(path, ®ion);
1585 status = GdipGetRegionHRgn(region, graphics, &hrgn);
1587 GdipDeleteRegion(region);
1591 *result = PtInRegion(hrgn, roundr(x), roundr(y));
1594 GdipDeleteRegion(region);
1599 GpStatus WINGDIPAPI GdipStartPathFigure(GpPath *path)
1601 TRACE("(%p)\n", path);
1604 return InvalidParameter;
1606 path->newfigure = TRUE;
1611 GpStatus WINGDIPAPI GdipResetPath(GpPath *path)
1613 TRACE("(%p)\n", path);
1616 return InvalidParameter;
1618 path->pathdata.Count = 0;
1619 path->newfigure = TRUE;
1620 path->fill = FillModeAlternate;
1625 GpStatus WINGDIPAPI GdipSetPathFillMode(GpPath *path, GpFillMode fill)
1627 TRACE("(%p, %d)\n", path, fill);
1630 return InvalidParameter;
1637 GpStatus WINGDIPAPI GdipTransformPath(GpPath *path, GpMatrix *matrix)
1639 TRACE("(%p, %p)\n", path, matrix);
1642 return InvalidParameter;
1644 if(path->pathdata.Count == 0)
1647 return GdipTransformMatrixPoints(matrix, path->pathdata.Points,
1648 path->pathdata.Count);
1651 GpStatus WINGDIPAPI GdipWarpPath(GpPath *path, GpMatrix* matrix,
1652 GDIPCONST GpPointF *points, INT count, REAL x, REAL y, REAL width,
1653 REAL height, WarpMode warpmode, REAL flatness)
1655 FIXME("(%p,%p,%p,%i,%0.2f,%0.2f,%0.2f,%0.2f,%i,%0.2f)\n", path, matrix,
1656 points, count, x, y, width, height, warpmode, flatness);
1658 return NotImplemented;
1661 static void add_bevel_point(const GpPointF *endpoint, const GpPointF *nextpoint,
1662 GpPen *pen, int right_side, path_list_node_t **last_point)
1664 REAL segment_dy = nextpoint->Y-endpoint->Y;
1665 REAL segment_dx = nextpoint->X-endpoint->X;
1666 REAL segment_length = sqrtf(segment_dy*segment_dy + segment_dx*segment_dx);
1667 REAL distance = pen->width/2.0;
1668 REAL bevel_dx, bevel_dy;
1672 bevel_dx = -distance * segment_dy / segment_length;
1673 bevel_dy = distance * segment_dx / segment_length;
1677 bevel_dx = distance * segment_dy / segment_length;
1678 bevel_dy = -distance * segment_dx / segment_length;
1681 *last_point = add_path_list_node(*last_point, endpoint->X + bevel_dx,
1682 endpoint->Y + bevel_dy, PathPointTypeLine);
1685 static void widen_joint(const GpPointF *p1, const GpPointF *p2, const GpPointF *p3,
1686 GpPen* pen, path_list_node_t **last_point)
1692 add_bevel_point(p2, p1, pen, 1, last_point);
1693 add_bevel_point(p2, p3, pen, 0, last_point);
1698 static void widen_cap(const GpPointF *endpoint, const GpPointF *nextpoint,
1699 GpPen *pen, GpLineCap cap, GpCustomLineCap *custom, int add_first_points,
1700 int add_last_point, path_list_node_t **last_point)
1706 if (add_first_points)
1707 add_bevel_point(endpoint, nextpoint, pen, 1, last_point);
1709 add_bevel_point(endpoint, nextpoint, pen, 0, last_point);
1714 static void widen_open_figure(GpPath *path, GpPen *pen, int start, int end,
1715 path_list_node_t **last_point)
1722 widen_cap(&path->pathdata.Points[start], &path->pathdata.Points[start+1],
1723 pen, pen->startcap, pen->customstart, FALSE, TRUE, last_point);
1725 (*last_point)->type = PathPointTypeStart;
1727 for (i=start+1; i<end; i++)
1728 widen_joint(&path->pathdata.Points[i-1], &path->pathdata.Points[i],
1729 &path->pathdata.Points[i+1], pen, last_point);
1731 widen_cap(&path->pathdata.Points[end], &path->pathdata.Points[end-1],
1732 pen, pen->endcap, pen->customend, TRUE, TRUE, last_point);
1734 for (i=end-1; i>start; i--)
1735 widen_joint(&path->pathdata.Points[i+1], &path->pathdata.Points[i],
1736 &path->pathdata.Points[i-1], pen, last_point);
1738 widen_cap(&path->pathdata.Points[start], &path->pathdata.Points[start+1],
1739 pen, pen->startcap, pen->customstart, TRUE, FALSE, last_point);
1741 (*last_point)->type |= PathPointTypeCloseSubpath;
1744 static void widen_closed_figure(GpPath *path, GpPen *pen, int start, int end,
1745 path_list_node_t **last_point)
1748 path_list_node_t *prev_point;
1754 prev_point = *last_point;
1756 widen_joint(&path->pathdata.Points[end], &path->pathdata.Points[start],
1757 &path->pathdata.Points[start+1], pen, last_point);
1759 for (i=start+1; i<end; i++)
1760 widen_joint(&path->pathdata.Points[i-1], &path->pathdata.Points[i],
1761 &path->pathdata.Points[i+1], pen, last_point);
1763 widen_joint(&path->pathdata.Points[end-1], &path->pathdata.Points[end],
1764 &path->pathdata.Points[start], pen, last_point);
1766 prev_point->next->type = PathPointTypeStart;
1767 (*last_point)->type |= PathPointTypeCloseSubpath;
1770 prev_point = *last_point;
1772 widen_joint(&path->pathdata.Points[start], &path->pathdata.Points[end],
1773 &path->pathdata.Points[end-1], pen, last_point);
1775 for (i=end-1; i>start; i--)
1776 widen_joint(&path->pathdata.Points[i+1], &path->pathdata.Points[i],
1777 &path->pathdata.Points[i-1], pen, last_point);
1779 widen_joint(&path->pathdata.Points[start+1], &path->pathdata.Points[start],
1780 &path->pathdata.Points[end], pen, last_point);
1782 prev_point->next->type = PathPointTypeStart;
1783 (*last_point)->type |= PathPointTypeCloseSubpath;
1786 GpStatus WINGDIPAPI GdipWidenPath(GpPath *path, GpPen *pen, GpMatrix *matrix,
1789 GpPath *flat_path=NULL;
1791 path_list_node_t *points=NULL, *last_point=NULL;
1792 int i, subpath_start=0, new_length;
1795 TRACE("(%p,%p,%p,%0.2f)\n", path, pen, matrix, flatness);
1798 return InvalidParameter;
1800 if (path->pathdata.Count <= 1)
1803 status = GdipClonePath(path, &flat_path);
1806 status = GdipFlattenPath(flat_path, matrix, flatness);
1808 if (status == Ok && !init_path_list(&points, 314.0, 22.0))
1809 status = OutOfMemory;
1813 last_point = points;
1815 if (pen->endcap != LineCapFlat)
1816 FIXME("unimplemented end cap %x\n", pen->endcap);
1818 if (pen->startcap != LineCapFlat)
1819 FIXME("unimplemented start cap %x\n", pen->startcap);
1821 if (pen->dashcap != DashCapFlat)
1822 FIXME("unimplemented dash cap %d\n", pen->dashcap);
1824 if (pen->join != LineJoinBevel)
1825 FIXME("unimplemented line join %d\n", pen->join);
1827 if (pen->dash != DashStyleSolid)
1828 FIXME("unimplemented dash style %d\n", pen->dash);
1830 if (pen->align != PenAlignmentCenter)
1831 FIXME("unimplemented pen alignment %d\n", pen->align);
1833 for (i=0; i < flat_path->pathdata.Count; i++)
1835 type = flat_path->pathdata.Types[i];
1837 if ((type&PathPointTypePathTypeMask) == PathPointTypeStart)
1840 if ((type&PathPointTypeCloseSubpath) == PathPointTypeCloseSubpath)
1842 widen_closed_figure(flat_path, pen, subpath_start, i, &last_point);
1844 else if (i == flat_path->pathdata.Count-1 ||
1845 (flat_path->pathdata.Types[i+1]&PathPointTypePathTypeMask) == PathPointTypeStart)
1847 widen_open_figure(flat_path, pen, subpath_start, i, &last_point);
1851 new_length = path_list_count(points)-1;
1853 if (!lengthen_path(path, new_length))
1854 status = OutOfMemory;
1859 path->pathdata.Count = new_length;
1861 last_point = points->next;
1862 for (i = 0; i < new_length; i++)
1864 path->pathdata.Points[i] = last_point->pt;
1865 path->pathdata.Types[i] = last_point->type;
1866 last_point = last_point->next;
1869 path->fill = FillModeWinding;
1872 free_path_list(points);
1874 GdipDeletePath(flat_path);
1879 GpStatus WINGDIPAPI GdipAddPathRectangle(GpPath *path, REAL x, REAL y,
1880 REAL width, REAL height)
1887 TRACE("(%p, %.2f, %.2f, %.2f, %.2f)\n", path, x, y, width, height);
1890 return InvalidParameter;
1892 /* make a backup copy of path data */
1893 if((retstat = GdipClonePath(path, &backup)) != Ok)
1896 /* rectangle should start as new path */
1897 old_new = path->newfigure;
1898 path->newfigure = TRUE;
1899 if((retstat = GdipAddPathLine(path,x,y,x+width,y)) != Ok){
1900 path->newfigure = old_new;
1905 ptf[0].Y = y+height;
1907 ptf[1].Y = y+height;
1909 if((retstat = GdipAddPathLine2(path, ptf, 2)) != Ok) goto fail;
1910 path->pathdata.Types[path->pathdata.Count-1] |= PathPointTypeCloseSubpath;
1913 GdipDeletePath(backup);
1918 GdipFree(path->pathdata.Points);
1919 GdipFree(path->pathdata.Types);
1920 memcpy(path, backup, sizeof(*path));
1926 GpStatus WINGDIPAPI GdipAddPathRectangleI(GpPath *path, INT x, INT y,
1927 INT width, INT height)
1929 TRACE("(%p, %d, %d, %d, %d)\n", path, x, y, width, height);
1931 return GdipAddPathRectangle(path,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
1934 GpStatus WINGDIPAPI GdipAddPathRectangles(GpPath *path, GDIPCONST GpRectF *rects, INT count)
1940 TRACE("(%p, %p, %d)\n", path, rects, count);
1942 /* count == 0 - verified condition */
1943 if(!path || !rects || count == 0)
1944 return InvalidParameter;
1949 /* make a backup copy */
1950 if((retstat = GdipClonePath(path, &backup)) != Ok)
1953 for(i = 0; i < count; i++){
1954 if((retstat = GdipAddPathRectangle(path,rects[i].X,rects[i].Y,rects[i].Width,rects[i].Height)) != Ok)
1959 GdipDeletePath(backup);
1964 GdipFree(path->pathdata.Points);
1965 GdipFree(path->pathdata.Types);
1966 memcpy(path, backup, sizeof(*path));
1972 GpStatus WINGDIPAPI GdipAddPathRectanglesI(GpPath *path, GDIPCONST GpRect *rects, INT count)
1978 TRACE("(%p, %p, %d)\n", path, rects, count);
1980 if(!rects || count == 0)
1981 return InvalidParameter;
1986 rectsF = GdipAlloc(sizeof(GpRectF)*count);
1988 for(i = 0;i < count;i++){
1989 rectsF[i].X = (REAL)rects[i].X;
1990 rectsF[i].Y = (REAL)rects[i].Y;
1991 rectsF[i].Width = (REAL)rects[i].Width;
1992 rectsF[i].Height = (REAL)rects[i].Height;
1995 retstat = GdipAddPathRectangles(path, rectsF, count);
2001 GpStatus WINGDIPAPI GdipSetPathMarker(GpPath* path)
2005 TRACE("(%p)\n", path);
2008 return InvalidParameter;
2010 count = path->pathdata.Count;
2012 /* set marker flag */
2014 path->pathdata.Types[count-1] |= PathPointTypePathMarker;
2019 GpStatus WINGDIPAPI GdipClearPathMarkers(GpPath* path)
2024 TRACE("(%p)\n", path);
2027 return InvalidParameter;
2029 count = path->pathdata.Count;
2031 for(i = 0; i < count - 1; i++){
2032 path->pathdata.Types[i] &= ~PathPointTypePathMarker;
2038 GpStatus WINGDIPAPI GdipWindingModeOutline(GpPath *path, GpMatrix *matrix, REAL flatness)
2040 FIXME("stub: %p, %p, %.2f\n", path, matrix, flatness);
2041 return NotImplemented;