269815933f9900ede9584178aa3facce9b84f22c
[reactos.git] / reactos / dll / win32 / gdiplus / graphics.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 #include <stdarg.h>
20 #include <math.h>
21 #include <limits.h>
22
23 #include "windef.h"
24 #include "winbase.h"
25 #include "winuser.h"
26 #include "wingdi.h"
27 #include "wine/unicode.h"
28
29 #define COBJMACROS
30 #include "objbase.h"
31 #include "ocidl.h"
32 #include "olectl.h"
33 #include "ole2.h"
34
35 #include "winreg.h"
36 #include "shlwapi.h"
37
38 #include "gdiplus.h"
39 #include "gdiplus_private.h"
40 #include "wine/debug.h"
41
42 WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
43
44 /* looks-right constants */
45 #define ANCHOR_WIDTH (2.0)
46 #define MAX_ITERS (50)
47
48 /* Converts angle (in degrees) to x/y coordinates */
49 static void deg2xy(REAL angle, REAL x_0, REAL y_0, REAL *x, REAL *y)
50 {
51 REAL radAngle, hypotenuse;
52
53 radAngle = deg2rad(angle);
54 hypotenuse = 50.0; /* arbitrary */
55
56 *x = x_0 + cos(radAngle) * hypotenuse;
57 *y = y_0 + sin(radAngle) * hypotenuse;
58 }
59
60 /* Converts from gdiplus path point type to gdi path point type. */
61 static BYTE convert_path_point_type(BYTE type)
62 {
63 BYTE ret;
64
65 switch(type & PathPointTypePathTypeMask){
66 case PathPointTypeBezier:
67 ret = PT_BEZIERTO;
68 break;
69 case PathPointTypeLine:
70 ret = PT_LINETO;
71 break;
72 case PathPointTypeStart:
73 ret = PT_MOVETO;
74 break;
75 default:
76 ERR("Bad point type\n");
77 return 0;
78 }
79
80 if(type & PathPointTypeCloseSubpath)
81 ret |= PT_CLOSEFIGURE;
82
83 return ret;
84 }
85
86 static INT prepare_dc(GpGraphics *graphics, GpPen *pen)
87 {
88 HPEN gdipen;
89 REAL width;
90 INT save_state = SaveDC(graphics->hdc), i, numdashes;
91 GpPointF pt[2];
92 DWORD dash_array[MAX_DASHLEN];
93
94 EndPath(graphics->hdc);
95
96 if(pen->unit == UnitPixel){
97 width = pen->width;
98 }
99 else{
100 /* Get an estimate for the amount the pen width is affected by the world
101 * transform. (This is similar to what some of the wine drivers do.) */
102 pt[0].X = 0.0;
103 pt[0].Y = 0.0;
104 pt[1].X = 1.0;
105 pt[1].Y = 1.0;
106 GdipTransformMatrixPoints(graphics->worldtrans, pt, 2);
107 width = sqrt((pt[1].X - pt[0].X) * (pt[1].X - pt[0].X) +
108 (pt[1].Y - pt[0].Y) * (pt[1].Y - pt[0].Y)) / sqrt(2.0);
109
110 width *= pen->width * convert_unit(graphics->hdc,
111 pen->unit == UnitWorld ? graphics->unit : pen->unit);
112 }
113
114 if(pen->dash == DashStyleCustom){
115 numdashes = min(pen->numdashes, MAX_DASHLEN);
116
117 TRACE("dashes are: ");
118 for(i = 0; i < numdashes; i++){
119 dash_array[i] = roundr(width * pen->dashes[i]);
120 TRACE("%d, ", dash_array[i]);
121 }
122 TRACE("\n and the pen style is %x\n", pen->style);
123
124 gdipen = ExtCreatePen(pen->style, roundr(width), &pen->brush->lb,
125 numdashes, dash_array);
126 }
127 else
128 gdipen = ExtCreatePen(pen->style, roundr(width), &pen->brush->lb, 0, NULL);
129
130 SelectObject(graphics->hdc, gdipen);
131
132 return save_state;
133 }
134
135 static void restore_dc(GpGraphics *graphics, INT state)
136 {
137 DeleteObject(SelectObject(graphics->hdc, GetStockObject(NULL_PEN)));
138 RestoreDC(graphics->hdc, state);
139 }
140
141 /* This helper applies all the changes that the points listed in ptf need in
142 * order to be drawn on the device context. In the end, this should include at
143 * least:
144 * -scaling by page unit
145 * -applying world transformation
146 * -converting from float to int
147 * Native gdiplus uses gdi32 to do all this (via SetMapMode, SetViewportExtEx,
148 * SetWindowExtEx, SetWorldTransform, etc.) but we cannot because we are using
149 * gdi to draw, and these functions would irreparably mess with line widths.
150 */
151 static void transform_and_round_points(GpGraphics *graphics, POINT *pti,
152 GpPointF *ptf, INT count)
153 {
154 REAL unitscale;
155 GpMatrix *matrix;
156 int i;
157
158 unitscale = convert_unit(graphics->hdc, graphics->unit);
159
160 /* apply page scale */
161 if(graphics->unit != UnitDisplay)
162 unitscale *= graphics->scale;
163
164 GdipCloneMatrix(graphics->worldtrans, &matrix);
165 GdipScaleMatrix(matrix, unitscale, unitscale, MatrixOrderAppend);
166 GdipTransformMatrixPoints(matrix, ptf, count);
167 GdipDeleteMatrix(matrix);
168
169 for(i = 0; i < count; i++){
170 pti[i].x = roundr(ptf[i].X);
171 pti[i].y = roundr(ptf[i].Y);
172 }
173 }
174
175 static ARGB blend_colors(ARGB start, ARGB end, REAL position)
176 {
177 ARGB result=0;
178 ARGB i;
179 for (i=0xff; i<=0xff0000; i = i << 8)
180 result |= (int)((start&i)*(1.0f - position)+(end&i)*(position))&i;
181 return result;
182 }
183
184 static ARGB blend_line_gradient(GpLineGradient* brush, REAL position)
185 {
186 REAL blendfac;
187
188 /* clamp to between 0.0 and 1.0, using the wrap mode */
189 if (brush->wrap == WrapModeTile)
190 {
191 position = fmodf(position, 1.0f);
192 if (position < 0.0f) position += 1.0f;
193 }
194 else /* WrapModeFlip* */
195 {
196 position = fmodf(position, 2.0f);
197 if (position < 0.0f) position += 2.0f;
198 if (position > 1.0f) position = 2.0f - position;
199 }
200
201 if (brush->blendcount == 1)
202 blendfac = position;
203 else
204 {
205 int i=1;
206 REAL left_blendpos, left_blendfac, right_blendpos, right_blendfac;
207 REAL range;
208
209 /* locate the blend positions surrounding this position */
210 while (position > brush->blendpos[i])
211 i++;
212
213 /* interpolate between the blend positions */
214 left_blendpos = brush->blendpos[i-1];
215 left_blendfac = brush->blendfac[i-1];
216 right_blendpos = brush->blendpos[i];
217 right_blendfac = brush->blendfac[i];
218 range = right_blendpos - left_blendpos;
219 blendfac = (left_blendfac * (right_blendpos - position) +
220 right_blendfac * (position - left_blendpos)) / range;
221 }
222 return blend_colors(brush->startcolor, brush->endcolor, blendfac);
223 }
224
225 static void brush_fill_path(GpGraphics *graphics, GpBrush* brush)
226 {
227 switch (brush->bt)
228 {
229 case BrushTypeLinearGradient:
230 {
231 GpLineGradient *line = (GpLineGradient*)brush;
232 RECT rc;
233
234 SelectClipPath(graphics->hdc, RGN_AND);
235 if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
236 {
237 GpPointF endpointsf[2];
238 POINT endpointsi[2];
239 POINT poly[4];
240
241 SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
242
243 endpointsf[0] = line->startpoint;
244 endpointsf[1] = line->endpoint;
245 transform_and_round_points(graphics, endpointsi, endpointsf, 2);
246
247 if (abs(endpointsi[0].x-endpointsi[1].x) > abs(endpointsi[0].y-endpointsi[1].y))
248 {
249 /* vertical-ish gradient */
250 int startx, endx; /* x co-ordinates of endpoints shifted to intersect the top of the visible rectangle */
251 int startbottomx; /* x co-ordinate of start point shifted to intersect the bottom of the visible rectangle */
252 int width;
253 COLORREF col;
254 HBRUSH hbrush, hprevbrush;
255 int leftx, rightx; /* x co-ordinates where the leftmost and rightmost gradient lines hit the top of the visible rectangle */
256 int x;
257 int tilt; /* horizontal distance covered by a gradient line */
258
259 startx = roundr((rc.top - endpointsf[0].Y) * (endpointsf[1].Y - endpointsf[0].Y) / (endpointsf[0].X - endpointsf[1].X) + endpointsf[0].X);
260 endx = roundr((rc.top - endpointsf[1].Y) * (endpointsf[1].Y - endpointsf[0].Y) / (endpointsf[0].X - endpointsf[1].X) + endpointsf[1].X);
261 width = endx - startx;
262 startbottomx = roundr((rc.bottom - endpointsf[0].Y) * (endpointsf[1].Y - endpointsf[0].Y) / (endpointsf[0].X - endpointsf[1].X) + endpointsf[0].X);
263 tilt = startx - startbottomx;
264
265 if (startx >= startbottomx)
266 {
267 leftx = rc.left;
268 rightx = rc.right + tilt;
269 }
270 else
271 {
272 leftx = rc.left + tilt;
273 rightx = rc.right;
274 }
275
276 poly[0].y = rc.bottom;
277 poly[1].y = rc.top;
278 poly[2].y = rc.top;
279 poly[3].y = rc.bottom;
280
281 for (x=leftx; x<=rightx; x++)
282 {
283 ARGB argb = blend_line_gradient(line, (x-startx)/(REAL)width);
284 col = ARGB2COLORREF(argb);
285 hbrush = CreateSolidBrush(col);
286 hprevbrush = SelectObject(graphics->hdc, hbrush);
287 poly[0].x = x - tilt - 1;
288 poly[1].x = x - 1;
289 poly[2].x = x;
290 poly[3].x = x - tilt;
291 Polygon(graphics->hdc, poly, 4);
292 SelectObject(graphics->hdc, hprevbrush);
293 DeleteObject(hbrush);
294 }
295 }
296 else if (endpointsi[0].y != endpointsi[1].y)
297 {
298 /* horizontal-ish gradient */
299 int starty, endy; /* y co-ordinates of endpoints shifted to intersect the left of the visible rectangle */
300 int startrighty; /* y co-ordinate of start point shifted to intersect the right of the visible rectangle */
301 int height;
302 COLORREF col;
303 HBRUSH hbrush, hprevbrush;
304 int topy, bottomy; /* y co-ordinates where the topmost and bottommost gradient lines hit the left of the visible rectangle */
305 int y;
306 int tilt; /* vertical distance covered by a gradient line */
307
308 starty = roundr((rc.left - endpointsf[0].X) * (endpointsf[0].X - endpointsf[1].X) / (endpointsf[1].Y - endpointsf[0].Y) + endpointsf[0].Y);
309 endy = roundr((rc.left - endpointsf[1].X) * (endpointsf[0].X - endpointsf[1].X) / (endpointsf[1].Y - endpointsf[0].Y) + endpointsf[1].Y);
310 height = endy - starty;
311 startrighty = roundr((rc.right - endpointsf[0].X) * (endpointsf[0].X - endpointsf[1].X) / (endpointsf[1].Y - endpointsf[0].Y) + endpointsf[0].Y);
312 tilt = starty - startrighty;
313
314 if (starty >= startrighty)
315 {
316 topy = rc.top;
317 bottomy = rc.bottom + tilt;
318 }
319 else
320 {
321 topy = rc.top + tilt;
322 bottomy = rc.bottom;
323 }
324
325 poly[0].x = rc.right;
326 poly[1].x = rc.left;
327 poly[2].x = rc.left;
328 poly[3].x = rc.right;
329
330 for (y=topy; y<=bottomy; y++)
331 {
332 ARGB argb = blend_line_gradient(line, (y-starty)/(REAL)height);
333 col = ARGB2COLORREF(argb);
334 hbrush = CreateSolidBrush(col);
335 hprevbrush = SelectObject(graphics->hdc, hbrush);
336 poly[0].y = y - tilt - 1;
337 poly[1].y = y - 1;
338 poly[2].y = y;
339 poly[3].y = y - tilt;
340 Polygon(graphics->hdc, poly, 4);
341 SelectObject(graphics->hdc, hprevbrush);
342 DeleteObject(hbrush);
343 }
344 }
345 /* else startpoint == endpoint */
346 }
347 break;
348 }
349 case BrushTypeSolidColor:
350 {
351 GpSolidFill *fill = (GpSolidFill*)brush;
352 if (fill->bmp)
353 {
354 RECT rc;
355 /* partially transparent fill */
356
357 SelectClipPath(graphics->hdc, RGN_AND);
358 if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
359 {
360 HDC hdc = CreateCompatibleDC(NULL);
361 HBITMAP oldbmp;
362 BLENDFUNCTION bf;
363
364 if (!hdc) break;
365
366 oldbmp = SelectObject(hdc, fill->bmp);
367
368 bf.BlendOp = AC_SRC_OVER;
369 bf.BlendFlags = 0;
370 bf.SourceConstantAlpha = 255;
371 bf.AlphaFormat = AC_SRC_ALPHA;
372
373 GdiAlphaBlend(graphics->hdc, rc.left, rc.top, rc.right-rc.left, rc.bottom-rc.top, hdc, 0, 0, 1, 1, bf);
374
375 SelectObject(hdc, oldbmp);
376 DeleteDC(hdc);
377 }
378
379 break;
380 }
381 /* else fall through */
382 }
383 default:
384 SelectObject(graphics->hdc, brush->gdibrush);
385 FillPath(graphics->hdc);
386 break;
387 }
388 }
389
390 /* GdipDrawPie/GdipFillPie helper function */
391 static void draw_pie(GpGraphics *graphics, REAL x, REAL y, REAL width,
392 REAL height, REAL startAngle, REAL sweepAngle)
393 {
394 GpPointF ptf[4];
395 POINT pti[4];
396
397 ptf[0].X = x;
398 ptf[0].Y = y;
399 ptf[1].X = x + width;
400 ptf[1].Y = y + height;
401
402 deg2xy(startAngle+sweepAngle, x + width / 2.0, y + width / 2.0, &ptf[2].X, &ptf[2].Y);
403 deg2xy(startAngle, x + width / 2.0, y + width / 2.0, &ptf[3].X, &ptf[3].Y);
404
405 transform_and_round_points(graphics, pti, ptf, 4);
406
407 Pie(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y, pti[2].x,
408 pti[2].y, pti[3].x, pti[3].y);
409 }
410
411 /* Draws the linecap the specified color and size on the hdc. The linecap is in
412 * direction of the line from x1, y1 to x2, y2 and is anchored on x2, y2. Probably
413 * should not be called on an hdc that has a path you care about. */
414 static void draw_cap(GpGraphics *graphics, COLORREF color, GpLineCap cap, REAL size,
415 const GpCustomLineCap *custom, REAL x1, REAL y1, REAL x2, REAL y2)
416 {
417 HGDIOBJ oldbrush = NULL, oldpen = NULL;
418 GpMatrix *matrix = NULL;
419 HBRUSH brush = NULL;
420 HPEN pen = NULL;
421 PointF ptf[4], *custptf = NULL;
422 POINT pt[4], *custpt = NULL;
423 BYTE *tp = NULL;
424 REAL theta, dsmall, dbig, dx, dy = 0.0;
425 INT i, count;
426 LOGBRUSH lb;
427 BOOL customstroke;
428
429 if((x1 == x2) && (y1 == y2))
430 return;
431
432 theta = gdiplus_atan2(y2 - y1, x2 - x1);
433
434 customstroke = (cap == LineCapCustom) && custom && (!custom->fill);
435 if(!customstroke){
436 brush = CreateSolidBrush(color);
437 lb.lbStyle = BS_SOLID;
438 lb.lbColor = color;
439 lb.lbHatch = 0;
440 pen = ExtCreatePen(PS_GEOMETRIC | PS_SOLID | PS_ENDCAP_FLAT |
441 PS_JOIN_MITER, 1, &lb, 0,
442 NULL);
443 oldbrush = SelectObject(graphics->hdc, brush);
444 oldpen = SelectObject(graphics->hdc, pen);
445 }
446
447 switch(cap){
448 case LineCapFlat:
449 break;
450 case LineCapSquare:
451 case LineCapSquareAnchor:
452 case LineCapDiamondAnchor:
453 size = size * (cap & LineCapNoAnchor ? ANCHOR_WIDTH : 1.0) / 2.0;
454 if(cap == LineCapDiamondAnchor){
455 dsmall = cos(theta + M_PI_2) * size;
456 dbig = sin(theta + M_PI_2) * size;
457 }
458 else{
459 dsmall = cos(theta + M_PI_4) * size;
460 dbig = sin(theta + M_PI_4) * size;
461 }
462
463 ptf[0].X = x2 - dsmall;
464 ptf[1].X = x2 + dbig;
465
466 ptf[0].Y = y2 - dbig;
467 ptf[3].Y = y2 + dsmall;
468
469 ptf[1].Y = y2 - dsmall;
470 ptf[2].Y = y2 + dbig;
471
472 ptf[3].X = x2 - dbig;
473 ptf[2].X = x2 + dsmall;
474
475 transform_and_round_points(graphics, pt, ptf, 4);
476 Polygon(graphics->hdc, pt, 4);
477
478 break;
479 case LineCapArrowAnchor:
480 size = size * 4.0 / sqrt(3.0);
481
482 dx = cos(M_PI / 6.0 + theta) * size;
483 dy = sin(M_PI / 6.0 + theta) * size;
484
485 ptf[0].X = x2 - dx;
486 ptf[0].Y = y2 - dy;
487
488 dx = cos(- M_PI / 6.0 + theta) * size;
489 dy = sin(- M_PI / 6.0 + theta) * size;
490
491 ptf[1].X = x2 - dx;
492 ptf[1].Y = y2 - dy;
493
494 ptf[2].X = x2;
495 ptf[2].Y = y2;
496
497 transform_and_round_points(graphics, pt, ptf, 3);
498 Polygon(graphics->hdc, pt, 3);
499
500 break;
501 case LineCapRoundAnchor:
502 dx = dy = ANCHOR_WIDTH * size / 2.0;
503
504 ptf[0].X = x2 - dx;
505 ptf[0].Y = y2 - dy;
506 ptf[1].X = x2 + dx;
507 ptf[1].Y = y2 + dy;
508
509 transform_and_round_points(graphics, pt, ptf, 2);
510 Ellipse(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y);
511
512 break;
513 case LineCapTriangle:
514 size = size / 2.0;
515 dx = cos(M_PI_2 + theta) * size;
516 dy = sin(M_PI_2 + theta) * size;
517
518 ptf[0].X = x2 - dx;
519 ptf[0].Y = y2 - dy;
520 ptf[1].X = x2 + dx;
521 ptf[1].Y = y2 + dy;
522
523 dx = cos(theta) * size;
524 dy = sin(theta) * size;
525
526 ptf[2].X = x2 + dx;
527 ptf[2].Y = y2 + dy;
528
529 transform_and_round_points(graphics, pt, ptf, 3);
530 Polygon(graphics->hdc, pt, 3);
531
532 break;
533 case LineCapRound:
534 dx = dy = size / 2.0;
535
536 ptf[0].X = x2 - dx;
537 ptf[0].Y = y2 - dy;
538 ptf[1].X = x2 + dx;
539 ptf[1].Y = y2 + dy;
540
541 dx = -cos(M_PI_2 + theta) * size;
542 dy = -sin(M_PI_2 + theta) * size;
543
544 ptf[2].X = x2 - dx;
545 ptf[2].Y = y2 - dy;
546 ptf[3].X = x2 + dx;
547 ptf[3].Y = y2 + dy;
548
549 transform_and_round_points(graphics, pt, ptf, 4);
550 Pie(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y, pt[2].x,
551 pt[2].y, pt[3].x, pt[3].y);
552
553 break;
554 case LineCapCustom:
555 if(!custom)
556 break;
557
558 count = custom->pathdata.Count;
559 custptf = GdipAlloc(count * sizeof(PointF));
560 custpt = GdipAlloc(count * sizeof(POINT));
561 tp = GdipAlloc(count);
562
563 if(!custptf || !custpt || !tp || (GdipCreateMatrix(&matrix) != Ok))
564 goto custend;
565
566 memcpy(custptf, custom->pathdata.Points, count * sizeof(PointF));
567
568 GdipScaleMatrix(matrix, size, size, MatrixOrderAppend);
569 GdipRotateMatrix(matrix, (180.0 / M_PI) * (theta - M_PI_2),
570 MatrixOrderAppend);
571 GdipTranslateMatrix(matrix, x2, y2, MatrixOrderAppend);
572 GdipTransformMatrixPoints(matrix, custptf, count);
573
574 transform_and_round_points(graphics, custpt, custptf, count);
575
576 for(i = 0; i < count; i++)
577 tp[i] = convert_path_point_type(custom->pathdata.Types[i]);
578
579 if(custom->fill){
580 BeginPath(graphics->hdc);
581 PolyDraw(graphics->hdc, custpt, tp, count);
582 EndPath(graphics->hdc);
583 StrokeAndFillPath(graphics->hdc);
584 }
585 else
586 PolyDraw(graphics->hdc, custpt, tp, count);
587
588 custend:
589 GdipFree(custptf);
590 GdipFree(custpt);
591 GdipFree(tp);
592 GdipDeleteMatrix(matrix);
593 break;
594 default:
595 break;
596 }
597
598 if(!customstroke){
599 SelectObject(graphics->hdc, oldbrush);
600 SelectObject(graphics->hdc, oldpen);
601 DeleteObject(brush);
602 DeleteObject(pen);
603 }
604 }
605
606 /* Shortens the line by the given percent by changing x2, y2.
607 * If percent is > 1.0 then the line will change direction.
608 * If percent is negative it can lengthen the line. */
609 static void shorten_line_percent(REAL x1, REAL y1, REAL *x2, REAL *y2, REAL percent)
610 {
611 REAL dist, theta, dx, dy;
612
613 if((y1 == *y2) && (x1 == *x2))
614 return;
615
616 dist = sqrt((*x2 - x1) * (*x2 - x1) + (*y2 - y1) * (*y2 - y1)) * -percent;
617 theta = gdiplus_atan2((*y2 - y1), (*x2 - x1));
618 dx = cos(theta) * dist;
619 dy = sin(theta) * dist;
620
621 *x2 = *x2 + dx;
622 *y2 = *y2 + dy;
623 }
624
625 /* Shortens the line by the given amount by changing x2, y2.
626 * If the amount is greater than the distance, the line will become length 0.
627 * If the amount is negative, it can lengthen the line. */
628 static void shorten_line_amt(REAL x1, REAL y1, REAL *x2, REAL *y2, REAL amt)
629 {
630 REAL dx, dy, percent;
631
632 dx = *x2 - x1;
633 dy = *y2 - y1;
634 if(dx == 0 && dy == 0)
635 return;
636
637 percent = amt / sqrt(dx * dx + dy * dy);
638 if(percent >= 1.0){
639 *x2 = x1;
640 *y2 = y1;
641 return;
642 }
643
644 shorten_line_percent(x1, y1, x2, y2, percent);
645 }
646
647 /* Draws lines between the given points, and if caps is true then draws an endcap
648 * at the end of the last line. */
649 static GpStatus draw_polyline(GpGraphics *graphics, GpPen *pen,
650 GDIPCONST GpPointF * pt, INT count, BOOL caps)
651 {
652 POINT *pti = NULL;
653 GpPointF *ptcopy = NULL;
654 GpStatus status = GenericError;
655
656 if(!count)
657 return Ok;
658
659 pti = GdipAlloc(count * sizeof(POINT));
660 ptcopy = GdipAlloc(count * sizeof(GpPointF));
661
662 if(!pti || !ptcopy){
663 status = OutOfMemory;
664 goto end;
665 }
666
667 memcpy(ptcopy, pt, count * sizeof(GpPointF));
668
669 if(caps){
670 if(pen->endcap == LineCapArrowAnchor)
671 shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
672 &ptcopy[count-1].X, &ptcopy[count-1].Y, pen->width);
673 else if((pen->endcap == LineCapCustom) && pen->customend)
674 shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
675 &ptcopy[count-1].X, &ptcopy[count-1].Y,
676 pen->customend->inset * pen->width);
677
678 if(pen->startcap == LineCapArrowAnchor)
679 shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
680 &ptcopy[0].X, &ptcopy[0].Y, pen->width);
681 else if((pen->startcap == LineCapCustom) && pen->customstart)
682 shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
683 &ptcopy[0].X, &ptcopy[0].Y,
684 pen->customstart->inset * pen->width);
685
686 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
687 pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X, pt[count - 1].Y);
688 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
689 pt[1].X, pt[1].Y, pt[0].X, pt[0].Y);
690 }
691
692 transform_and_round_points(graphics, pti, ptcopy, count);
693
694 if(Polyline(graphics->hdc, pti, count))
695 status = Ok;
696
697 end:
698 GdipFree(pti);
699 GdipFree(ptcopy);
700
701 return status;
702 }
703
704 /* Conducts a linear search to find the bezier points that will back off
705 * the endpoint of the curve by a distance of amt. Linear search works
706 * better than binary in this case because there are multiple solutions,
707 * and binary searches often find a bad one. I don't think this is what
708 * Windows does but short of rendering the bezier without GDI's help it's
709 * the best we can do. If rev then work from the start of the passed points
710 * instead of the end. */
711 static void shorten_bezier_amt(GpPointF * pt, REAL amt, BOOL rev)
712 {
713 GpPointF origpt[4];
714 REAL percent = 0.00, dx, dy, origx, origy, diff = -1.0;
715 INT i, first = 0, second = 1, third = 2, fourth = 3;
716
717 if(rev){
718 first = 3;
719 second = 2;
720 third = 1;
721 fourth = 0;
722 }
723
724 origx = pt[fourth].X;
725 origy = pt[fourth].Y;
726 memcpy(origpt, pt, sizeof(GpPointF) * 4);
727
728 for(i = 0; (i < MAX_ITERS) && (diff < amt); i++){
729 /* reset bezier points to original values */
730 memcpy(pt, origpt, sizeof(GpPointF) * 4);
731 /* Perform magic on bezier points. Order is important here.*/
732 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
733 shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
734 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
735 shorten_line_percent(pt[first].X, pt[first].Y, &pt[second].X, &pt[second].Y, percent);
736 shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
737 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
738
739 dx = pt[fourth].X - origx;
740 dy = pt[fourth].Y - origy;
741
742 diff = sqrt(dx * dx + dy * dy);
743 percent += 0.0005 * amt;
744 }
745 }
746
747 /* Draws bezier curves between given points, and if caps is true then draws an
748 * endcap at the end of the last line. */
749 static GpStatus draw_polybezier(GpGraphics *graphics, GpPen *pen,
750 GDIPCONST GpPointF * pt, INT count, BOOL caps)
751 {
752 POINT *pti;
753 GpPointF *ptcopy;
754 GpStatus status = GenericError;
755
756 if(!count)
757 return Ok;
758
759 pti = GdipAlloc(count * sizeof(POINT));
760 ptcopy = GdipAlloc(count * sizeof(GpPointF));
761
762 if(!pti || !ptcopy){
763 status = OutOfMemory;
764 goto end;
765 }
766
767 memcpy(ptcopy, pt, count * sizeof(GpPointF));
768
769 if(caps){
770 if(pen->endcap == LineCapArrowAnchor)
771 shorten_bezier_amt(&ptcopy[count-4], pen->width, FALSE);
772 else if((pen->endcap == LineCapCustom) && pen->customend)
773 shorten_bezier_amt(&ptcopy[count-4], pen->width * pen->customend->inset,
774 FALSE);
775
776 if(pen->startcap == LineCapArrowAnchor)
777 shorten_bezier_amt(ptcopy, pen->width, TRUE);
778 else if((pen->startcap == LineCapCustom) && pen->customstart)
779 shorten_bezier_amt(ptcopy, pen->width * pen->customstart->inset, TRUE);
780
781 /* the direction of the line cap is parallel to the direction at the
782 * end of the bezier (which, if it has been shortened, is not the same
783 * as the direction from pt[count-2] to pt[count-1]) */
784 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
785 pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
786 pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
787 pt[count - 1].X, pt[count - 1].Y);
788
789 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
790 pt[0].X - (ptcopy[0].X - ptcopy[1].X),
791 pt[0].Y - (ptcopy[0].Y - ptcopy[1].Y), pt[0].X, pt[0].Y);
792 }
793
794 transform_and_round_points(graphics, pti, ptcopy, count);
795
796 PolyBezier(graphics->hdc, pti, count);
797
798 status = Ok;
799
800 end:
801 GdipFree(pti);
802 GdipFree(ptcopy);
803
804 return status;
805 }
806
807 /* Draws a combination of bezier curves and lines between points. */
808 static GpStatus draw_poly(GpGraphics *graphics, GpPen *pen, GDIPCONST GpPointF * pt,
809 GDIPCONST BYTE * types, INT count, BOOL caps)
810 {
811 POINT *pti = GdipAlloc(count * sizeof(POINT));
812 BYTE *tp = GdipAlloc(count);
813 GpPointF *ptcopy = GdipAlloc(count * sizeof(GpPointF));
814 INT i, j;
815 GpStatus status = GenericError;
816
817 if(!count){
818 status = Ok;
819 goto end;
820 }
821 if(!pti || !tp || !ptcopy){
822 status = OutOfMemory;
823 goto end;
824 }
825
826 for(i = 1; i < count; i++){
827 if((types[i] & PathPointTypePathTypeMask) == PathPointTypeBezier){
828 if((i + 2 >= count) || !(types[i + 1] & PathPointTypeBezier)
829 || !(types[i + 1] & PathPointTypeBezier)){
830 ERR("Bad bezier points\n");
831 goto end;
832 }
833 i += 2;
834 }
835 }
836
837 memcpy(ptcopy, pt, count * sizeof(GpPointF));
838
839 /* If we are drawing caps, go through the points and adjust them accordingly,
840 * and draw the caps. */
841 if(caps){
842 switch(types[count - 1] & PathPointTypePathTypeMask){
843 case PathPointTypeBezier:
844 if(pen->endcap == LineCapArrowAnchor)
845 shorten_bezier_amt(&ptcopy[count - 4], pen->width, FALSE);
846 else if((pen->endcap == LineCapCustom) && pen->customend)
847 shorten_bezier_amt(&ptcopy[count - 4],
848 pen->width * pen->customend->inset, FALSE);
849
850 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
851 pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
852 pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
853 pt[count - 1].X, pt[count - 1].Y);
854
855 break;
856 case PathPointTypeLine:
857 if(pen->endcap == LineCapArrowAnchor)
858 shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
859 &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
860 pen->width);
861 else if((pen->endcap == LineCapCustom) && pen->customend)
862 shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
863 &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
864 pen->customend->inset * pen->width);
865
866 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
867 pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X,
868 pt[count - 1].Y);
869
870 break;
871 default:
872 ERR("Bad path last point\n");
873 goto end;
874 }
875
876 /* Find start of points */
877 for(j = 1; j < count && ((types[j] & PathPointTypePathTypeMask)
878 == PathPointTypeStart); j++);
879
880 switch(types[j] & PathPointTypePathTypeMask){
881 case PathPointTypeBezier:
882 if(pen->startcap == LineCapArrowAnchor)
883 shorten_bezier_amt(&ptcopy[j - 1], pen->width, TRUE);
884 else if((pen->startcap == LineCapCustom) && pen->customstart)
885 shorten_bezier_amt(&ptcopy[j - 1],
886 pen->width * pen->customstart->inset, TRUE);
887
888 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
889 pt[j - 1].X - (ptcopy[j - 1].X - ptcopy[j].X),
890 pt[j - 1].Y - (ptcopy[j - 1].Y - ptcopy[j].Y),
891 pt[j - 1].X, pt[j - 1].Y);
892
893 break;
894 case PathPointTypeLine:
895 if(pen->startcap == LineCapArrowAnchor)
896 shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
897 &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
898 pen->width);
899 else if((pen->startcap == LineCapCustom) && pen->customstart)
900 shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
901 &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
902 pen->customstart->inset * pen->width);
903
904 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
905 pt[j].X, pt[j].Y, pt[j - 1].X,
906 pt[j - 1].Y);
907
908 break;
909 default:
910 ERR("Bad path points\n");
911 goto end;
912 }
913 }
914
915 transform_and_round_points(graphics, pti, ptcopy, count);
916
917 for(i = 0; i < count; i++){
918 tp[i] = convert_path_point_type(types[i]);
919 }
920
921 PolyDraw(graphics->hdc, pti, tp, count);
922
923 status = Ok;
924
925 end:
926 GdipFree(pti);
927 GdipFree(ptcopy);
928 GdipFree(tp);
929
930 return status;
931 }
932
933 GpStatus trace_path(GpGraphics *graphics, GpPath *path)
934 {
935 GpStatus result;
936
937 BeginPath(graphics->hdc);
938 result = draw_poly(graphics, NULL, path->pathdata.Points,
939 path->pathdata.Types, path->pathdata.Count, FALSE);
940 EndPath(graphics->hdc);
941 return result;
942 }
943
944 GpStatus WINGDIPAPI GdipCreateFromHDC(HDC hdc, GpGraphics **graphics)
945 {
946 TRACE("(%p, %p)\n", hdc, graphics);
947
948 return GdipCreateFromHDC2(hdc, NULL, graphics);
949 }
950
951 GpStatus WINGDIPAPI GdipCreateFromHDC2(HDC hdc, HANDLE hDevice, GpGraphics **graphics)
952 {
953 GpStatus retval;
954
955 TRACE("(%p, %p, %p)\n", hdc, hDevice, graphics);
956
957 if(hDevice != NULL) {
958 FIXME("Don't know how to hadle parameter hDevice\n");
959 return NotImplemented;
960 }
961
962 if(hdc == NULL)
963 return OutOfMemory;
964
965 if(graphics == NULL)
966 return InvalidParameter;
967
968 *graphics = GdipAlloc(sizeof(GpGraphics));
969 if(!*graphics) return OutOfMemory;
970
971 if((retval = GdipCreateMatrix(&(*graphics)->worldtrans)) != Ok){
972 GdipFree(*graphics);
973 return retval;
974 }
975
976 if((retval = GdipCreateRegion(&(*graphics)->clip)) != Ok){
977 GdipFree((*graphics)->worldtrans);
978 GdipFree(*graphics);
979 return retval;
980 }
981
982 (*graphics)->hdc = hdc;
983 (*graphics)->hwnd = WindowFromDC(hdc);
984 (*graphics)->owndc = FALSE;
985 (*graphics)->smoothing = SmoothingModeDefault;
986 (*graphics)->compqual = CompositingQualityDefault;
987 (*graphics)->interpolation = InterpolationModeDefault;
988 (*graphics)->pixeloffset = PixelOffsetModeDefault;
989 (*graphics)->compmode = CompositingModeSourceOver;
990 (*graphics)->unit = UnitDisplay;
991 (*graphics)->scale = 1.0;
992 (*graphics)->busy = FALSE;
993 (*graphics)->textcontrast = 4;
994
995 return Ok;
996 }
997
998 GpStatus WINGDIPAPI GdipCreateFromHWND(HWND hwnd, GpGraphics **graphics)
999 {
1000 GpStatus ret;
1001 HDC hdc;
1002
1003 TRACE("(%p, %p)\n", hwnd, graphics);
1004
1005 hdc = GetDC(hwnd);
1006
1007 if((ret = GdipCreateFromHDC(hdc, graphics)) != Ok)
1008 {
1009 ReleaseDC(hwnd, hdc);
1010 return ret;
1011 }
1012
1013 (*graphics)->hwnd = hwnd;
1014 (*graphics)->owndc = TRUE;
1015
1016 return Ok;
1017 }
1018
1019 /* FIXME: no icm handling */
1020 GpStatus WINGDIPAPI GdipCreateFromHWNDICM(HWND hwnd, GpGraphics **graphics)
1021 {
1022 TRACE("(%p, %p)\n", hwnd, graphics);
1023
1024 return GdipCreateFromHWND(hwnd, graphics);
1025 }
1026
1027 GpStatus WINGDIPAPI GdipCreateMetafileFromEmf(HENHMETAFILE hemf, BOOL delete,
1028 GpMetafile **metafile)
1029 {
1030 static int calls;
1031
1032 if(!hemf || !metafile)
1033 return InvalidParameter;
1034
1035 if(!(calls++))
1036 FIXME("not implemented\n");
1037
1038 return NotImplemented;
1039 }
1040
1041 GpStatus WINGDIPAPI GdipCreateMetafileFromWmf(HMETAFILE hwmf, BOOL delete,
1042 GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
1043 {
1044 IStream *stream = NULL;
1045 UINT read;
1046 BYTE* copy;
1047 HENHMETAFILE hemf;
1048 GpStatus retval = GenericError;
1049
1050 TRACE("(%p, %d, %p, %p)\n", hwmf, delete, placeable, metafile);
1051
1052 if(!hwmf || !metafile || !placeable)
1053 return InvalidParameter;
1054
1055 *metafile = NULL;
1056 read = GetMetaFileBitsEx(hwmf, 0, NULL);
1057 if(!read)
1058 return GenericError;
1059 copy = GdipAlloc(read);
1060 GetMetaFileBitsEx(hwmf, read, copy);
1061
1062 hemf = SetWinMetaFileBits(read, copy, NULL, NULL);
1063 GdipFree(copy);
1064
1065 read = GetEnhMetaFileBits(hemf, 0, NULL);
1066 copy = GdipAlloc(read);
1067 GetEnhMetaFileBits(hemf, read, copy);
1068 DeleteEnhMetaFile(hemf);
1069
1070 if(CreateStreamOnHGlobal(copy, TRUE, &stream) != S_OK){
1071 ERR("could not make stream\n");
1072 GdipFree(copy);
1073 goto err;
1074 }
1075
1076 *metafile = GdipAlloc(sizeof(GpMetafile));
1077 if(!*metafile){
1078 retval = OutOfMemory;
1079 goto err;
1080 }
1081
1082 if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
1083 (LPVOID*) &((*metafile)->image.picture)) != S_OK)
1084 goto err;
1085
1086
1087 (*metafile)->image.type = ImageTypeMetafile;
1088 (*metafile)->bounds.X = ((REAL) placeable->BoundingBox.Left) / ((REAL) placeable->Inch);
1089 (*metafile)->bounds.Y = ((REAL) placeable->BoundingBox.Right) / ((REAL) placeable->Inch);
1090 (*metafile)->bounds.Width = ((REAL) (placeable->BoundingBox.Right
1091 - placeable->BoundingBox.Left)) / ((REAL) placeable->Inch);
1092 (*metafile)->bounds.Height = ((REAL) (placeable->BoundingBox.Bottom
1093 - placeable->BoundingBox.Top)) / ((REAL) placeable->Inch);
1094 (*metafile)->unit = UnitInch;
1095
1096 if(delete)
1097 DeleteMetaFile(hwmf);
1098
1099 return Ok;
1100
1101 err:
1102 GdipFree(*metafile);
1103 IStream_Release(stream);
1104 return retval;
1105 }
1106
1107 GpStatus WINGDIPAPI GdipCreateMetafileFromWmfFile(GDIPCONST WCHAR *file,
1108 GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
1109 {
1110 HMETAFILE hmf = GetMetaFileW(file);
1111
1112 TRACE("(%s, %p, %p)\n", debugstr_w(file), placeable, metafile);
1113
1114 if(!hmf) return InvalidParameter;
1115
1116 return GdipCreateMetafileFromWmf(hmf, TRUE, placeable, metafile);
1117 }
1118
1119 GpStatus WINGDIPAPI GdipCreateMetafileFromFile(GDIPCONST WCHAR *file,
1120 GpMetafile **metafile)
1121 {
1122 FIXME("(%p, %p): stub\n", file, metafile);
1123 return NotImplemented;
1124 }
1125
1126 GpStatus WINGDIPAPI GdipCreateMetafileFromStream(IStream *stream,
1127 GpMetafile **metafile)
1128 {
1129 FIXME("(%p, %p): stub\n", stream, metafile);
1130 return NotImplemented;
1131 }
1132
1133 GpStatus WINGDIPAPI GdipCreateStreamOnFile(GDIPCONST WCHAR * filename,
1134 UINT access, IStream **stream)
1135 {
1136 DWORD dwMode;
1137 HRESULT ret;
1138
1139 TRACE("(%s, %u, %p)\n", debugstr_w(filename), access, stream);
1140
1141 if(!stream || !filename)
1142 return InvalidParameter;
1143
1144 if(access & GENERIC_WRITE)
1145 dwMode = STGM_SHARE_DENY_WRITE | STGM_WRITE | STGM_CREATE;
1146 else if(access & GENERIC_READ)
1147 dwMode = STGM_SHARE_DENY_WRITE | STGM_READ | STGM_FAILIFTHERE;
1148 else
1149 return InvalidParameter;
1150
1151 ret = SHCreateStreamOnFileW(filename, dwMode, stream);
1152
1153 return hresult_to_status(ret);
1154 }
1155
1156 GpStatus WINGDIPAPI GdipDeleteGraphics(GpGraphics *graphics)
1157 {
1158 TRACE("(%p)\n", graphics);
1159
1160 if(!graphics) return InvalidParameter;
1161 if(graphics->busy) return ObjectBusy;
1162
1163 if(graphics->owndc)
1164 ReleaseDC(graphics->hwnd, graphics->hdc);
1165
1166 GdipDeleteRegion(graphics->clip);
1167 GdipDeleteMatrix(graphics->worldtrans);
1168 GdipFree(graphics);
1169
1170 return Ok;
1171 }
1172
1173 GpStatus WINGDIPAPI GdipDrawArc(GpGraphics *graphics, GpPen *pen, REAL x,
1174 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
1175 {
1176 INT save_state, num_pts;
1177 GpPointF points[MAX_ARC_PTS];
1178 GpStatus retval;
1179
1180 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
1181 width, height, startAngle, sweepAngle);
1182
1183 if(!graphics || !pen || width <= 0 || height <= 0)
1184 return InvalidParameter;
1185
1186 if(graphics->busy)
1187 return ObjectBusy;
1188
1189 num_pts = arc2polybezier(points, x, y, width, height, startAngle, sweepAngle);
1190
1191 save_state = prepare_dc(graphics, pen);
1192
1193 retval = draw_polybezier(graphics, pen, points, num_pts, TRUE);
1194
1195 restore_dc(graphics, save_state);
1196
1197 return retval;
1198 }
1199
1200 GpStatus WINGDIPAPI GdipDrawArcI(GpGraphics *graphics, GpPen *pen, INT x,
1201 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
1202 {
1203 TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n", graphics, pen, x, y,
1204 width, height, startAngle, sweepAngle);
1205
1206 return GdipDrawArc(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
1207 }
1208
1209 GpStatus WINGDIPAPI GdipDrawBezier(GpGraphics *graphics, GpPen *pen, REAL x1,
1210 REAL y1, REAL x2, REAL y2, REAL x3, REAL y3, REAL x4, REAL y4)
1211 {
1212 INT save_state;
1213 GpPointF pt[4];
1214 GpStatus retval;
1215
1216 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1,
1217 x2, y2, x3, y3, x4, y4);
1218
1219 if(!graphics || !pen)
1220 return InvalidParameter;
1221
1222 if(graphics->busy)
1223 return ObjectBusy;
1224
1225 pt[0].X = x1;
1226 pt[0].Y = y1;
1227 pt[1].X = x2;
1228 pt[1].Y = y2;
1229 pt[2].X = x3;
1230 pt[2].Y = y3;
1231 pt[3].X = x4;
1232 pt[3].Y = y4;
1233
1234 save_state = prepare_dc(graphics, pen);
1235
1236 retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
1237
1238 restore_dc(graphics, save_state);
1239
1240 return retval;
1241 }
1242
1243 GpStatus WINGDIPAPI GdipDrawBezierI(GpGraphics *graphics, GpPen *pen, INT x1,
1244 INT y1, INT x2, INT y2, INT x3, INT y3, INT x4, INT y4)
1245 {
1246 INT save_state;
1247 GpPointF pt[4];
1248 GpStatus retval;
1249
1250 TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d)\n", graphics, pen, x1, y1,
1251 x2, y2, x3, y3, x4, y4);
1252
1253 if(!graphics || !pen)
1254 return InvalidParameter;
1255
1256 if(graphics->busy)
1257 return ObjectBusy;
1258
1259 pt[0].X = x1;
1260 pt[0].Y = y1;
1261 pt[1].X = x2;
1262 pt[1].Y = y2;
1263 pt[2].X = x3;
1264 pt[2].Y = y3;
1265 pt[3].X = x4;
1266 pt[3].Y = y4;
1267
1268 save_state = prepare_dc(graphics, pen);
1269
1270 retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
1271
1272 restore_dc(graphics, save_state);
1273
1274 return retval;
1275 }
1276
1277 GpStatus WINGDIPAPI GdipDrawBeziers(GpGraphics *graphics, GpPen *pen,
1278 GDIPCONST GpPointF *points, INT count)
1279 {
1280 INT i;
1281 GpStatus ret;
1282
1283 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1284
1285 if(!graphics || !pen || !points || (count <= 0))
1286 return InvalidParameter;
1287
1288 if(graphics->busy)
1289 return ObjectBusy;
1290
1291 for(i = 0; i < floor(count / 4); i++){
1292 ret = GdipDrawBezier(graphics, pen,
1293 points[4*i].X, points[4*i].Y,
1294 points[4*i + 1].X, points[4*i + 1].Y,
1295 points[4*i + 2].X, points[4*i + 2].Y,
1296 points[4*i + 3].X, points[4*i + 3].Y);
1297 if(ret != Ok)
1298 return ret;
1299 }
1300
1301 return Ok;
1302 }
1303
1304 GpStatus WINGDIPAPI GdipDrawBeziersI(GpGraphics *graphics, GpPen *pen,
1305 GDIPCONST GpPoint *points, INT count)
1306 {
1307 GpPointF *pts;
1308 GpStatus ret;
1309 INT i;
1310
1311 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1312
1313 if(!graphics || !pen || !points || (count <= 0))
1314 return InvalidParameter;
1315
1316 if(graphics->busy)
1317 return ObjectBusy;
1318
1319 pts = GdipAlloc(sizeof(GpPointF) * count);
1320 if(!pts)
1321 return OutOfMemory;
1322
1323 for(i = 0; i < count; i++){
1324 pts[i].X = (REAL)points[i].X;
1325 pts[i].Y = (REAL)points[i].Y;
1326 }
1327
1328 ret = GdipDrawBeziers(graphics,pen,pts,count);
1329
1330 GdipFree(pts);
1331
1332 return ret;
1333 }
1334
1335 GpStatus WINGDIPAPI GdipDrawClosedCurve(GpGraphics *graphics, GpPen *pen,
1336 GDIPCONST GpPointF *points, INT count)
1337 {
1338 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1339
1340 return GdipDrawClosedCurve2(graphics, pen, points, count, 1.0);
1341 }
1342
1343 GpStatus WINGDIPAPI GdipDrawClosedCurveI(GpGraphics *graphics, GpPen *pen,
1344 GDIPCONST GpPoint *points, INT count)
1345 {
1346 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1347
1348 return GdipDrawClosedCurve2I(graphics, pen, points, count, 1.0);
1349 }
1350
1351 GpStatus WINGDIPAPI GdipDrawClosedCurve2(GpGraphics *graphics, GpPen *pen,
1352 GDIPCONST GpPointF *points, INT count, REAL tension)
1353 {
1354 GpPath *path;
1355 GpStatus stat;
1356
1357 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
1358
1359 if(!graphics || !pen || !points || count <= 0)
1360 return InvalidParameter;
1361
1362 if(graphics->busy)
1363 return ObjectBusy;
1364
1365 if((stat = GdipCreatePath(FillModeAlternate, &path)) != Ok)
1366 return stat;
1367
1368 stat = GdipAddPathClosedCurve2(path, points, count, tension);
1369 if(stat != Ok){
1370 GdipDeletePath(path);
1371 return stat;
1372 }
1373
1374 stat = GdipDrawPath(graphics, pen, path);
1375
1376 GdipDeletePath(path);
1377
1378 return stat;
1379 }
1380
1381 GpStatus WINGDIPAPI GdipDrawClosedCurve2I(GpGraphics *graphics, GpPen *pen,
1382 GDIPCONST GpPoint *points, INT count, REAL tension)
1383 {
1384 GpPointF *ptf;
1385 GpStatus stat;
1386 INT i;
1387
1388 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
1389
1390 if(!points || count <= 0)
1391 return InvalidParameter;
1392
1393 ptf = GdipAlloc(sizeof(GpPointF)*count);
1394 if(!ptf)
1395 return OutOfMemory;
1396
1397 for(i = 0; i < count; i++){
1398 ptf[i].X = (REAL)points[i].X;
1399 ptf[i].Y = (REAL)points[i].Y;
1400 }
1401
1402 stat = GdipDrawClosedCurve2(graphics, pen, ptf, count, tension);
1403
1404 GdipFree(ptf);
1405
1406 return stat;
1407 }
1408
1409 GpStatus WINGDIPAPI GdipDrawCurve(GpGraphics *graphics, GpPen *pen,
1410 GDIPCONST GpPointF *points, INT count)
1411 {
1412 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1413
1414 return GdipDrawCurve2(graphics,pen,points,count,1.0);
1415 }
1416
1417 GpStatus WINGDIPAPI GdipDrawCurveI(GpGraphics *graphics, GpPen *pen,
1418 GDIPCONST GpPoint *points, INT count)
1419 {
1420 GpPointF *pointsF;
1421 GpStatus ret;
1422 INT i;
1423
1424 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1425
1426 if(!points || count <= 0)
1427 return InvalidParameter;
1428
1429 pointsF = GdipAlloc(sizeof(GpPointF)*count);
1430 if(!pointsF)
1431 return OutOfMemory;
1432
1433 for(i = 0; i < count; i++){
1434 pointsF[i].X = (REAL)points[i].X;
1435 pointsF[i].Y = (REAL)points[i].Y;
1436 }
1437
1438 ret = GdipDrawCurve(graphics,pen,pointsF,count);
1439 GdipFree(pointsF);
1440
1441 return ret;
1442 }
1443
1444 /* Approximates cardinal spline with Bezier curves. */
1445 GpStatus WINGDIPAPI GdipDrawCurve2(GpGraphics *graphics, GpPen *pen,
1446 GDIPCONST GpPointF *points, INT count, REAL tension)
1447 {
1448 /* PolyBezier expects count*3-2 points. */
1449 INT i, len_pt = count*3-2, save_state;
1450 GpPointF *pt;
1451 REAL x1, x2, y1, y2;
1452 GpStatus retval;
1453
1454 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
1455
1456 if(!graphics || !pen)
1457 return InvalidParameter;
1458
1459 if(graphics->busy)
1460 return ObjectBusy;
1461
1462 pt = GdipAlloc(len_pt * sizeof(GpPointF));
1463 tension = tension * TENSION_CONST;
1464
1465 calc_curve_bezier_endp(points[0].X, points[0].Y, points[1].X, points[1].Y,
1466 tension, &x1, &y1);
1467
1468 pt[0].X = points[0].X;
1469 pt[0].Y = points[0].Y;
1470 pt[1].X = x1;
1471 pt[1].Y = y1;
1472
1473 for(i = 0; i < count-2; i++){
1474 calc_curve_bezier(&(points[i]), tension, &x1, &y1, &x2, &y2);
1475
1476 pt[3*i+2].X = x1;
1477 pt[3*i+2].Y = y1;
1478 pt[3*i+3].X = points[i+1].X;
1479 pt[3*i+3].Y = points[i+1].Y;
1480 pt[3*i+4].X = x2;
1481 pt[3*i+4].Y = y2;
1482 }
1483
1484 calc_curve_bezier_endp(points[count-1].X, points[count-1].Y,
1485 points[count-2].X, points[count-2].Y, tension, &x1, &y1);
1486
1487 pt[len_pt-2].X = x1;
1488 pt[len_pt-2].Y = y1;
1489 pt[len_pt-1].X = points[count-1].X;
1490 pt[len_pt-1].Y = points[count-1].Y;
1491
1492 save_state = prepare_dc(graphics, pen);
1493
1494 retval = draw_polybezier(graphics, pen, pt, len_pt, TRUE);
1495
1496 GdipFree(pt);
1497 restore_dc(graphics, save_state);
1498
1499 return retval;
1500 }
1501
1502 GpStatus WINGDIPAPI GdipDrawCurve2I(GpGraphics *graphics, GpPen *pen,
1503 GDIPCONST GpPoint *points, INT count, REAL tension)
1504 {
1505 GpPointF *pointsF;
1506 GpStatus ret;
1507 INT i;
1508
1509 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
1510
1511 if(!points || count <= 0)
1512 return InvalidParameter;
1513
1514 pointsF = GdipAlloc(sizeof(GpPointF)*count);
1515 if(!pointsF)
1516 return OutOfMemory;
1517
1518 for(i = 0; i < count; i++){
1519 pointsF[i].X = (REAL)points[i].X;
1520 pointsF[i].Y = (REAL)points[i].Y;
1521 }
1522
1523 ret = GdipDrawCurve2(graphics,pen,pointsF,count,tension);
1524 GdipFree(pointsF);
1525
1526 return ret;
1527 }
1528
1529 GpStatus WINGDIPAPI GdipDrawEllipse(GpGraphics *graphics, GpPen *pen, REAL x,
1530 REAL y, REAL width, REAL height)
1531 {
1532 INT save_state;
1533 GpPointF ptf[2];
1534 POINT pti[2];
1535
1536 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
1537
1538 if(!graphics || !pen)
1539 return InvalidParameter;
1540
1541 if(graphics->busy)
1542 return ObjectBusy;
1543
1544 ptf[0].X = x;
1545 ptf[0].Y = y;
1546 ptf[1].X = x + width;
1547 ptf[1].Y = y + height;
1548
1549 save_state = prepare_dc(graphics, pen);
1550 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
1551
1552 transform_and_round_points(graphics, pti, ptf, 2);
1553
1554 Ellipse(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y);
1555
1556 restore_dc(graphics, save_state);
1557
1558 return Ok;
1559 }
1560
1561 GpStatus WINGDIPAPI GdipDrawEllipseI(GpGraphics *graphics, GpPen *pen, INT x,
1562 INT y, INT width, INT height)
1563 {
1564 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
1565
1566 return GdipDrawEllipse(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
1567 }
1568
1569
1570 GpStatus WINGDIPAPI GdipDrawImage(GpGraphics *graphics, GpImage *image, REAL x, REAL y)
1571 {
1572 TRACE("(%p, %p, %.2f, %.2f)\n", graphics, image, x, y);
1573
1574 /* IPicture::Render uses LONG coords */
1575 return GdipDrawImageI(graphics,image,roundr(x),roundr(y));
1576 }
1577
1578 GpStatus WINGDIPAPI GdipDrawImageI(GpGraphics *graphics, GpImage *image, INT x,
1579 INT y)
1580 {
1581 UINT width, height, srcw, srch;
1582
1583 TRACE("(%p, %p, %d, %d)\n", graphics, image, x, y);
1584
1585 if(!graphics || !image)
1586 return InvalidParameter;
1587
1588 GdipGetImageWidth(image, &width);
1589 GdipGetImageHeight(image, &height);
1590
1591 srcw = width * (((REAL) INCH_HIMETRIC) /
1592 ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSX)));
1593 srch = height * (((REAL) INCH_HIMETRIC) /
1594 ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSY)));
1595
1596 if(image->type != ImageTypeMetafile){
1597 y += height;
1598 height *= -1;
1599 }
1600
1601 IPicture_Render(image->picture, graphics->hdc, x, y, width, height,
1602 0, 0, srcw, srch, NULL);
1603
1604 return Ok;
1605 }
1606
1607 GpStatus WINGDIPAPI GdipDrawImagePointRect(GpGraphics *graphics, GpImage *image,
1608 REAL x, REAL y, REAL srcx, REAL srcy, REAL srcwidth, REAL srcheight,
1609 GpUnit srcUnit)
1610 {
1611 FIXME("(%p, %p, %f, %f, %f, %f, %f, %f, %d): stub\n", graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit);
1612 return NotImplemented;
1613 }
1614
1615 GpStatus WINGDIPAPI GdipDrawImagePointRectI(GpGraphics *graphics, GpImage *image,
1616 INT x, INT y, INT srcx, INT srcy, INT srcwidth, INT srcheight,
1617 GpUnit srcUnit)
1618 {
1619 FIXME("(%p, %p, %d, %d, %d, %d, %d, %d, %d): stub\n", graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit);
1620 return NotImplemented;
1621 }
1622
1623 GpStatus WINGDIPAPI GdipDrawImagePoints(GpGraphics *graphics, GpImage *image,
1624 GDIPCONST GpPointF *dstpoints, INT count)
1625 {
1626 FIXME("(%p, %p, %p, %d): stub\n", graphics, image, dstpoints, count);
1627 return NotImplemented;
1628 }
1629
1630 GpStatus WINGDIPAPI GdipDrawImagePointsI(GpGraphics *graphics, GpImage *image,
1631 GDIPCONST GpPoint *dstpoints, INT count)
1632 {
1633 FIXME("(%p, %p, %p, %d): stub\n", graphics, image, dstpoints, count);
1634 return NotImplemented;
1635 }
1636
1637 /* FIXME: partially implemented (only works for rectangular parallelograms) */
1638 GpStatus WINGDIPAPI GdipDrawImagePointsRect(GpGraphics *graphics, GpImage *image,
1639 GDIPCONST GpPointF *points, INT count, REAL srcx, REAL srcy, REAL srcwidth,
1640 REAL srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
1641 DrawImageAbort callback, VOID * callbackData)
1642 {
1643 GpPointF ptf[3];
1644 POINT pti[3];
1645 REAL dx, dy;
1646
1647 TRACE("(%p, %p, %p, %d, %f, %f, %f, %f, %d, %p, %p, %p)\n", graphics, image, points,
1648 count, srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
1649 callbackData);
1650
1651 if(!graphics || !image || !points || count != 3)
1652 return InvalidParameter;
1653
1654 if(srcUnit == UnitInch)
1655 dx = dy = (REAL) INCH_HIMETRIC;
1656 else if(srcUnit == UnitPixel){
1657 dx = ((REAL) INCH_HIMETRIC) /
1658 ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSX));
1659 dy = ((REAL) INCH_HIMETRIC) /
1660 ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSY));
1661 }
1662 else
1663 return NotImplemented;
1664
1665 memcpy(ptf, points, 3 * sizeof(GpPointF));
1666 transform_and_round_points(graphics, pti, ptf, 3);
1667
1668 /* IPicture renders bitmaps with the y-axis reversed
1669 * FIXME: flipping for unknown image type might not be correct. */
1670 if(image->type != ImageTypeMetafile){
1671 INT temp;
1672 temp = pti[0].y;
1673 pti[0].y = pti[2].y;
1674 pti[2].y = temp;
1675 }
1676
1677 if(IPicture_Render(image->picture, graphics->hdc,
1678 pti[0].x, pti[0].y, pti[1].x - pti[0].x, pti[2].y - pti[0].y,
1679 srcx * dx, srcy * dy,
1680 srcwidth * dx, srcheight * dy,
1681 NULL) != S_OK){
1682 if(callback)
1683 callback(callbackData);
1684 return GenericError;
1685 }
1686
1687 return Ok;
1688 }
1689
1690 GpStatus WINGDIPAPI GdipDrawImagePointsRectI(GpGraphics *graphics, GpImage *image,
1691 GDIPCONST GpPoint *points, INT count, INT srcx, INT srcy, INT srcwidth,
1692 INT srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
1693 DrawImageAbort callback, VOID * callbackData)
1694 {
1695 GpPointF pointsF[3];
1696 INT i;
1697
1698 TRACE("(%p, %p, %p, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n", graphics, image, points, count,
1699 srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
1700 callbackData);
1701
1702 if(!points || count!=3)
1703 return InvalidParameter;
1704
1705 for(i = 0; i < count; i++){
1706 pointsF[i].X = (REAL)points[i].X;
1707 pointsF[i].Y = (REAL)points[i].Y;
1708 }
1709
1710 return GdipDrawImagePointsRect(graphics, image, pointsF, count, (REAL)srcx, (REAL)srcy,
1711 (REAL)srcwidth, (REAL)srcheight, srcUnit, imageAttributes,
1712 callback, callbackData);
1713 }
1714
1715 GpStatus WINGDIPAPI GdipDrawImageRectRect(GpGraphics *graphics, GpImage *image,
1716 REAL dstx, REAL dsty, REAL dstwidth, REAL dstheight, REAL srcx, REAL srcy,
1717 REAL srcwidth, REAL srcheight, GpUnit srcUnit,
1718 GDIPCONST GpImageAttributes* imageattr, DrawImageAbort callback,
1719 VOID * callbackData)
1720 {
1721 GpPointF points[3];
1722
1723 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %d, %p, %p, %p)\n",
1724 graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
1725 srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
1726
1727 points[0].X = dstx;
1728 points[0].Y = dsty;
1729 points[1].X = dstx + dstwidth;
1730 points[1].Y = dsty;
1731 points[2].X = dstx;
1732 points[2].Y = dsty + dstheight;
1733
1734 return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
1735 srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
1736 }
1737
1738 GpStatus WINGDIPAPI GdipDrawImageRectRectI(GpGraphics *graphics, GpImage *image,
1739 INT dstx, INT dsty, INT dstwidth, INT dstheight, INT srcx, INT srcy,
1740 INT srcwidth, INT srcheight, GpUnit srcUnit,
1741 GDIPCONST GpImageAttributes* imageAttributes, DrawImageAbort callback,
1742 VOID * callbackData)
1743 {
1744 GpPointF points[3];
1745
1746 TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n",
1747 graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
1748 srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
1749
1750 points[0].X = dstx;
1751 points[0].Y = dsty;
1752 points[1].X = dstx + dstwidth;
1753 points[1].Y = dsty;
1754 points[2].X = dstx;
1755 points[2].Y = dsty + dstheight;
1756
1757 return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
1758 srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
1759 }
1760
1761 GpStatus WINGDIPAPI GdipDrawImageRect(GpGraphics *graphics, GpImage *image,
1762 REAL x, REAL y, REAL width, REAL height)
1763 {
1764 RectF bounds;
1765 GpUnit unit;
1766 GpStatus ret;
1767
1768 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, image, x, y, width, height);
1769
1770 if(!graphics || !image)
1771 return InvalidParameter;
1772
1773 ret = GdipGetImageBounds(image, &bounds, &unit);
1774 if(ret != Ok)
1775 return ret;
1776
1777 return GdipDrawImageRectRect(graphics, image, x, y, width, height,
1778 bounds.X, bounds.Y, bounds.Width, bounds.Height,
1779 unit, NULL, NULL, NULL);
1780 }
1781
1782 GpStatus WINGDIPAPI GdipDrawImageRectI(GpGraphics *graphics, GpImage *image,
1783 INT x, INT y, INT width, INT height)
1784 {
1785 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, image, x, y, width, height);
1786
1787 return GdipDrawImageRect(graphics, image, (REAL)x, (REAL)y, (REAL)width, (REAL)height);
1788 }
1789
1790 GpStatus WINGDIPAPI GdipDrawLine(GpGraphics *graphics, GpPen *pen, REAL x1,
1791 REAL y1, REAL x2, REAL y2)
1792 {
1793 INT save_state;
1794 GpPointF pt[2];
1795 GpStatus retval;
1796
1797 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1, x2, y2);
1798
1799 if(!pen || !graphics)
1800 return InvalidParameter;
1801
1802 if(graphics->busy)
1803 return ObjectBusy;
1804
1805 pt[0].X = x1;
1806 pt[0].Y = y1;
1807 pt[1].X = x2;
1808 pt[1].Y = y2;
1809
1810 save_state = prepare_dc(graphics, pen);
1811
1812 retval = draw_polyline(graphics, pen, pt, 2, TRUE);
1813
1814 restore_dc(graphics, save_state);
1815
1816 return retval;
1817 }
1818
1819 GpStatus WINGDIPAPI GdipDrawLineI(GpGraphics *graphics, GpPen *pen, INT x1,
1820 INT y1, INT x2, INT y2)
1821 {
1822 INT save_state;
1823 GpPointF pt[2];
1824 GpStatus retval;
1825
1826 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x1, y1, x2, y2);
1827
1828 if(!pen || !graphics)
1829 return InvalidParameter;
1830
1831 if(graphics->busy)
1832 return ObjectBusy;
1833
1834 pt[0].X = (REAL)x1;
1835 pt[0].Y = (REAL)y1;
1836 pt[1].X = (REAL)x2;
1837 pt[1].Y = (REAL)y2;
1838
1839 save_state = prepare_dc(graphics, pen);
1840
1841 retval = draw_polyline(graphics, pen, pt, 2, TRUE);
1842
1843 restore_dc(graphics, save_state);
1844
1845 return retval;
1846 }
1847
1848 GpStatus WINGDIPAPI GdipDrawLines(GpGraphics *graphics, GpPen *pen, GDIPCONST
1849 GpPointF *points, INT count)
1850 {
1851 INT save_state;
1852 GpStatus retval;
1853
1854 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1855
1856 if(!pen || !graphics || (count < 2))
1857 return InvalidParameter;
1858
1859 if(graphics->busy)
1860 return ObjectBusy;
1861
1862 save_state = prepare_dc(graphics, pen);
1863
1864 retval = draw_polyline(graphics, pen, points, count, TRUE);
1865
1866 restore_dc(graphics, save_state);
1867
1868 return retval;
1869 }
1870
1871 GpStatus WINGDIPAPI GdipDrawLinesI(GpGraphics *graphics, GpPen *pen, GDIPCONST
1872 GpPoint *points, INT count)
1873 {
1874 INT save_state;
1875 GpStatus retval;
1876 GpPointF *ptf = NULL;
1877 int i;
1878
1879 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1880
1881 if(!pen || !graphics || (count < 2))
1882 return InvalidParameter;
1883
1884 if(graphics->busy)
1885 return ObjectBusy;
1886
1887 ptf = GdipAlloc(count * sizeof(GpPointF));
1888 if(!ptf) return OutOfMemory;
1889
1890 for(i = 0; i < count; i ++){
1891 ptf[i].X = (REAL) points[i].X;
1892 ptf[i].Y = (REAL) points[i].Y;
1893 }
1894
1895 save_state = prepare_dc(graphics, pen);
1896
1897 retval = draw_polyline(graphics, pen, ptf, count, TRUE);
1898
1899 restore_dc(graphics, save_state);
1900
1901 GdipFree(ptf);
1902 return retval;
1903 }
1904
1905 GpStatus WINGDIPAPI GdipDrawPath(GpGraphics *graphics, GpPen *pen, GpPath *path)
1906 {
1907 INT save_state;
1908 GpStatus retval;
1909
1910 TRACE("(%p, %p, %p)\n", graphics, pen, path);
1911
1912 if(!pen || !graphics)
1913 return InvalidParameter;
1914
1915 if(graphics->busy)
1916 return ObjectBusy;
1917
1918 save_state = prepare_dc(graphics, pen);
1919
1920 retval = draw_poly(graphics, pen, path->pathdata.Points,
1921 path->pathdata.Types, path->pathdata.Count, TRUE);
1922
1923 restore_dc(graphics, save_state);
1924
1925 return retval;
1926 }
1927
1928 GpStatus WINGDIPAPI GdipDrawPie(GpGraphics *graphics, GpPen *pen, REAL x,
1929 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
1930 {
1931 INT save_state;
1932
1933 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
1934 width, height, startAngle, sweepAngle);
1935
1936 if(!graphics || !pen)
1937 return InvalidParameter;
1938
1939 if(graphics->busy)
1940 return ObjectBusy;
1941
1942 save_state = prepare_dc(graphics, pen);
1943 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
1944
1945 draw_pie(graphics, x, y, width, height, startAngle, sweepAngle);
1946
1947 restore_dc(graphics, save_state);
1948
1949 return Ok;
1950 }
1951
1952 GpStatus WINGDIPAPI GdipDrawPieI(GpGraphics *graphics, GpPen *pen, INT x,
1953 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
1954 {
1955 TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n", graphics, pen, x, y,
1956 width, height, startAngle, sweepAngle);
1957
1958 return GdipDrawPie(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
1959 }
1960
1961 GpStatus WINGDIPAPI GdipDrawRectangle(GpGraphics *graphics, GpPen *pen, REAL x,
1962 REAL y, REAL width, REAL height)
1963 {
1964 INT save_state;
1965 GpPointF ptf[4];
1966 POINT pti[4];
1967
1968 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
1969
1970 if(!pen || !graphics)
1971 return InvalidParameter;
1972
1973 if(graphics->busy)
1974 return ObjectBusy;
1975
1976 ptf[0].X = x;
1977 ptf[0].Y = y;
1978 ptf[1].X = x + width;
1979 ptf[1].Y = y;
1980 ptf[2].X = x + width;
1981 ptf[2].Y = y + height;
1982 ptf[3].X = x;
1983 ptf[3].Y = y + height;
1984
1985 save_state = prepare_dc(graphics, pen);
1986 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
1987
1988 transform_and_round_points(graphics, pti, ptf, 4);
1989 Polygon(graphics->hdc, pti, 4);
1990
1991 restore_dc(graphics, save_state);
1992
1993 return Ok;
1994 }
1995
1996 GpStatus WINGDIPAPI GdipDrawRectangleI(GpGraphics *graphics, GpPen *pen, INT x,
1997 INT y, INT width, INT height)
1998 {
1999 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
2000
2001 return GdipDrawRectangle(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
2002 }
2003
2004 GpStatus WINGDIPAPI GdipDrawRectangles(GpGraphics *graphics, GpPen *pen,
2005 GDIPCONST GpRectF* rects, INT count)
2006 {
2007 GpPointF *ptf;
2008 POINT *pti;
2009 INT save_state, i;
2010
2011 TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
2012
2013 if(!graphics || !pen || !rects || count < 1)
2014 return InvalidParameter;
2015
2016 if(graphics->busy)
2017 return ObjectBusy;
2018
2019 ptf = GdipAlloc(4 * count * sizeof(GpPointF));
2020 pti = GdipAlloc(4 * count * sizeof(POINT));
2021
2022 if(!ptf || !pti){
2023 GdipFree(ptf);
2024 GdipFree(pti);
2025 return OutOfMemory;
2026 }
2027
2028 for(i = 0; i < count; i++){
2029 ptf[4 * i + 3].X = ptf[4 * i].X = rects[i].X;
2030 ptf[4 * i + 1].Y = ptf[4 * i].Y = rects[i].Y;
2031 ptf[4 * i + 2].X = ptf[4 * i + 1].X = rects[i].X + rects[i].Width;
2032 ptf[4 * i + 3].Y = ptf[4 * i + 2].Y = rects[i].Y + rects[i].Height;
2033 }
2034
2035 save_state = prepare_dc(graphics, pen);
2036 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
2037
2038 transform_and_round_points(graphics, pti, ptf, 4 * count);
2039
2040 for(i = 0; i < count; i++)
2041 Polygon(graphics->hdc, &pti[4 * i], 4);
2042
2043 restore_dc(graphics, save_state);
2044
2045 GdipFree(ptf);
2046 GdipFree(pti);
2047
2048 return Ok;
2049 }
2050
2051 GpStatus WINGDIPAPI GdipDrawRectanglesI(GpGraphics *graphics, GpPen *pen,
2052 GDIPCONST GpRect* rects, INT count)
2053 {
2054 GpRectF *rectsF;
2055 GpStatus ret;
2056 INT i;
2057
2058 TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
2059
2060 if(!rects || count<=0)
2061 return InvalidParameter;
2062
2063 rectsF = GdipAlloc(sizeof(GpRectF) * count);
2064 if(!rectsF)
2065 return OutOfMemory;
2066
2067 for(i = 0;i < count;i++){
2068 rectsF[i].X = (REAL)rects[i].X;
2069 rectsF[i].Y = (REAL)rects[i].Y;
2070 rectsF[i].Width = (REAL)rects[i].Width;
2071 rectsF[i].Height = (REAL)rects[i].Height;
2072 }
2073
2074 ret = GdipDrawRectangles(graphics, pen, rectsF, count);
2075 GdipFree(rectsF);
2076
2077 return ret;
2078 }
2079
2080 GpStatus WINGDIPAPI GdipDrawString(GpGraphics *graphics, GDIPCONST WCHAR *string,
2081 INT length, GDIPCONST GpFont *font, GDIPCONST RectF *rect,
2082 GDIPCONST GpStringFormat *format, GDIPCONST GpBrush *brush)
2083 {
2084 HRGN rgn = NULL;
2085 HFONT gdifont;
2086 LOGFONTW lfw;
2087 TEXTMETRICW textmet;
2088 GpPointF pt[2], rectcpy[4];
2089 POINT corners[4];
2090 WCHAR* stringdup;
2091 REAL angle, ang_cos, ang_sin, rel_width, rel_height;
2092 INT sum = 0, height = 0, offsety = 0, fit, fitcpy, save_state, i, j, lret, nwidth,
2093 nheight;
2094 SIZE size;
2095 RECT drawcoord;
2096
2097 TRACE("(%p, %s, %i, %p, %s, %p, %p)\n", graphics, debugstr_wn(string, length),
2098 length, font, debugstr_rectf(rect), format, brush);
2099
2100 if(!graphics || !string || !font || !brush || !rect)
2101 return InvalidParameter;
2102
2103 if((brush->bt != BrushTypeSolidColor)){
2104 FIXME("not implemented for given parameters\n");
2105 return NotImplemented;
2106 }
2107
2108 if(format){
2109 TRACE("may be ignoring some format flags: attr %x\n", format->attr);
2110
2111 /* Should be no need to explicitly test for StringAlignmentNear as
2112 * that is default behavior if no alignment is passed. */
2113 if(format->vertalign != StringAlignmentNear){
2114 RectF bounds;
2115 GdipMeasureString(graphics, string, length, font, rect, format, &bounds, 0, 0);
2116
2117 if(format->vertalign == StringAlignmentCenter)
2118 offsety = (rect->Height - bounds.Height) / 2;
2119 else if(format->vertalign == StringAlignmentFar)
2120 offsety = (rect->Height - bounds.Height);
2121 }
2122 }
2123
2124 if(length == -1) length = lstrlenW(string);
2125
2126 stringdup = GdipAlloc(length * sizeof(WCHAR));
2127 if(!stringdup) return OutOfMemory;
2128
2129 save_state = SaveDC(graphics->hdc);
2130 SetBkMode(graphics->hdc, TRANSPARENT);
2131 SetTextColor(graphics->hdc, brush->lb.lbColor);
2132
2133 rectcpy[3].X = rectcpy[0].X = rect->X;
2134 rectcpy[1].Y = rectcpy[0].Y = rect->Y + offsety;
2135 rectcpy[2].X = rectcpy[1].X = rect->X + rect->Width;
2136 rectcpy[3].Y = rectcpy[2].Y = rect->Y + offsety + rect->Height;
2137 transform_and_round_points(graphics, corners, rectcpy, 4);
2138
2139 if (roundr(rect->Width) == 0)
2140 {
2141 rel_width = 1.0;
2142 nwidth = INT_MAX;
2143 }
2144 else
2145 {
2146 rel_width = sqrt((corners[1].x - corners[0].x) * (corners[1].x - corners[0].x) +
2147 (corners[1].y - corners[0].y) * (corners[1].y - corners[0].y))
2148 / rect->Width;
2149 nwidth = roundr(rel_width * rect->Width);
2150 }
2151
2152 if (roundr(rect->Height) == 0)
2153 {
2154 rel_height = 1.0;
2155 nheight = INT_MAX;
2156 }
2157 else
2158 {
2159 rel_height = sqrt((corners[2].x - corners[1].x) * (corners[2].x - corners[1].x) +
2160 (corners[2].y - corners[1].y) * (corners[2].y - corners[1].y))
2161 / rect->Height;
2162 nheight = roundr(rel_height * rect->Height);
2163 }
2164
2165 if (roundr(rect->Width) != 0 && roundr(rect->Height) != 0)
2166 {
2167 /* FIXME: If only the width or only the height is 0, we should probably still clip */
2168 rgn = CreatePolygonRgn(corners, 4, ALTERNATE);
2169 SelectClipRgn(graphics->hdc, rgn);
2170 }
2171
2172 /* Use gdi to find the font, then perform transformations on it (height,
2173 * width, angle). */
2174 SelectObject(graphics->hdc, CreateFontIndirectW(&font->lfw));
2175 GetTextMetricsW(graphics->hdc, &textmet);
2176 lfw = font->lfw;
2177
2178 lfw.lfHeight = roundr(((REAL)lfw.lfHeight) * rel_height);
2179 lfw.lfWidth = roundr(textmet.tmAveCharWidth * rel_width);
2180
2181 pt[0].X = 0.0;
2182 pt[0].Y = 0.0;
2183 pt[1].X = 1.0;
2184 pt[1].Y = 0.0;
2185 GdipTransformMatrixPoints(graphics->worldtrans, pt, 2);
2186 angle = gdiplus_atan2((pt[1].Y - pt[0].Y), (pt[1].X - pt[0].X));
2187 ang_cos = cos(angle);
2188 ang_sin = sin(angle);
2189 lfw.lfEscapement = lfw.lfOrientation = -roundr((angle / M_PI) * 1800.0);
2190
2191 gdifont = CreateFontIndirectW(&lfw);
2192 DeleteObject(SelectObject(graphics->hdc, CreateFontIndirectW(&lfw)));
2193
2194 for(i = 0, j = 0; i < length; i++){
2195 if(!isprintW(string[i]) && (string[i] != '\n'))
2196 continue;
2197
2198 stringdup[j] = string[i];
2199 j++;
2200 }
2201
2202 length = j;
2203
2204 while(sum < length){
2205 drawcoord.left = corners[0].x + roundr(ang_sin * (REAL) height);
2206 drawcoord.top = corners[0].y + roundr(ang_cos * (REAL) height);
2207
2208 GetTextExtentExPointW(graphics->hdc, stringdup + sum, length - sum,
2209 nwidth, &fit, NULL, &size);
2210 fitcpy = fit;
2211
2212 if(fit == 0){
2213 DrawTextW(graphics->hdc, stringdup + sum, 1, &drawcoord, DT_NOCLIP |
2214 DT_EXPANDTABS);
2215 break;
2216 }
2217
2218 for(lret = 0; lret < fit; lret++)
2219 if(*(stringdup + sum + lret) == '\n')
2220 break;
2221
2222 /* Line break code (may look strange, but it imitates windows). */
2223 if(lret < fit)
2224 fit = lret; /* this is not an off-by-one error */
2225 else if(fit < (length - sum)){
2226 if(*(stringdup + sum + fit) == ' ')
2227 while(*(stringdup + sum + fit) == ' ')
2228 fit++;
2229 else
2230 while(*(stringdup + sum + fit - 1) != ' '){
2231 fit--;
2232
2233 if(*(stringdup + sum + fit) == '\t')
2234 break;
2235
2236 if(fit == 0){
2237 fit = fitcpy;
2238 break;
2239 }
2240 }
2241 }
2242 DrawTextW(graphics->hdc, stringdup + sum, min(length - sum, fit),
2243 &drawcoord, DT_NOCLIP | DT_EXPANDTABS);
2244
2245 sum += fit + (lret < fitcpy ? 1 : 0);
2246 height += size.cy;
2247
2248 if(height > nheight)
2249 break;
2250
2251 /* Stop if this was a linewrap (but not if it was a linebreak). */
2252 if((lret == fitcpy) && format && (format->attr & StringFormatFlagsNoWrap))
2253 break;
2254 }
2255
2256 GdipFree(stringdup);
2257 DeleteObject(rgn);
2258 DeleteObject(gdifont);
2259
2260 RestoreDC(graphics->hdc, save_state);
2261
2262 return Ok;
2263 }
2264
2265 GpStatus WINGDIPAPI GdipFillClosedCurve2(GpGraphics *graphics, GpBrush *brush,
2266 GDIPCONST GpPointF *points, INT count, REAL tension, GpFillMode fill)
2267 {
2268 GpPath *path;
2269 GpStatus stat;
2270
2271 TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
2272 count, tension, fill);
2273
2274 if(!graphics || !brush || !points)
2275 return InvalidParameter;
2276
2277 if(graphics->busy)
2278 return ObjectBusy;
2279
2280 stat = GdipCreatePath(fill, &path);
2281 if(stat != Ok)
2282 return stat;
2283
2284 stat = GdipAddPathClosedCurve2(path, points, count, tension);
2285 if(stat != Ok){
2286 GdipDeletePath(path);
2287 return stat;
2288 }
2289
2290 stat = GdipFillPath(graphics, brush, path);
2291 if(stat != Ok){
2292 GdipDeletePath(path);
2293 return stat;
2294 }
2295
2296 GdipDeletePath(path);
2297
2298 return Ok;
2299 }
2300
2301 GpStatus WINGDIPAPI GdipFillClosedCurve2I(GpGraphics *graphics, GpBrush *brush,
2302 GDIPCONST GpPoint *points, INT count, REAL tension, GpFillMode fill)
2303 {
2304 GpPointF *ptf;
2305 GpStatus stat;
2306 INT i;
2307
2308 TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
2309 count, tension, fill);
2310
2311 if(!points || count <= 0)
2312 return InvalidParameter;
2313
2314 ptf = GdipAlloc(sizeof(GpPointF)*count);
2315 if(!ptf)
2316 return OutOfMemory;
2317
2318 for(i = 0;i < count;i++){
2319 ptf[i].X = (REAL)points[i].X;
2320 ptf[i].Y = (REAL)points[i].Y;
2321 }
2322
2323 stat = GdipFillClosedCurve2(graphics, brush, ptf, count, tension, fill);
2324
2325 GdipFree(ptf);
2326
2327 return stat;
2328 }
2329
2330 GpStatus WINGDIPAPI GdipFillEllipse(GpGraphics *graphics, GpBrush *brush, REAL x,
2331 REAL y, REAL width, REAL height)
2332 {
2333 INT save_state;
2334 GpPointF ptf[2];
2335 POINT pti[2];
2336
2337 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
2338
2339 if(!graphics || !brush)
2340 return InvalidParameter;
2341
2342 if(graphics->busy)
2343 return ObjectBusy;
2344
2345 ptf[0].X = x;
2346 ptf[0].Y = y;
2347 ptf[1].X = x + width;
2348 ptf[1].Y = y + height;
2349
2350 save_state = SaveDC(graphics->hdc);
2351 EndPath(graphics->hdc);
2352 SelectObject(graphics->hdc, brush->gdibrush);
2353 SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
2354
2355 transform_and_round_points(graphics, pti, ptf, 2);
2356
2357 Ellipse(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y);
2358
2359 RestoreDC(graphics->hdc, save_state);
2360
2361 return Ok;
2362 }
2363
2364 GpStatus WINGDIPAPI GdipFillEllipseI(GpGraphics *graphics, GpBrush *brush, INT x,
2365 INT y, INT width, INT height)
2366 {
2367 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
2368
2369 return GdipFillEllipse(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
2370 }
2371
2372 GpStatus WINGDIPAPI GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
2373 {
2374 INT save_state;
2375 GpStatus retval;
2376
2377 TRACE("(%p, %p, %p)\n", graphics, brush, path);
2378
2379 if(!brush || !graphics || !path)
2380 return InvalidParameter;
2381
2382 if(graphics->busy)
2383 return ObjectBusy;
2384
2385 save_state = SaveDC(graphics->hdc);
2386 EndPath(graphics->hdc);
2387 SetPolyFillMode(graphics->hdc, (path->fill == FillModeAlternate ? ALTERNATE
2388 : WINDING));
2389
2390 BeginPath(graphics->hdc);
2391 retval = draw_poly(graphics, NULL, path->pathdata.Points,
2392 path->pathdata.Types, path->pathdata.Count, FALSE);
2393
2394 if(retval != Ok)
2395 goto end;
2396
2397 EndPath(graphics->hdc);
2398 brush_fill_path(graphics, brush);
2399
2400 retval = Ok;
2401
2402 end:
2403 RestoreDC(graphics->hdc, save_state);
2404
2405 return retval;
2406 }
2407
2408 GpStatus WINGDIPAPI GdipFillPie(GpGraphics *graphics, GpBrush *brush, REAL x,
2409 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
2410 {
2411 INT save_state;
2412
2413 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n",
2414 graphics, brush, x, y, width, height, startAngle, sweepAngle);
2415
2416 if(!graphics || !brush)
2417 return InvalidParameter;
2418
2419 if(graphics->busy)
2420 return ObjectBusy;
2421
2422 save_state = SaveDC(graphics->hdc);
2423 EndPath(graphics->hdc);
2424 SelectObject(graphics->hdc, brush->gdibrush);
2425 SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
2426
2427 draw_pie(graphics, x, y, width, height, startAngle, sweepAngle);
2428
2429 RestoreDC(graphics->hdc, save_state);
2430
2431 return Ok;
2432 }
2433
2434 GpStatus WINGDIPAPI GdipFillPieI(GpGraphics *graphics, GpBrush *brush, INT x,
2435 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
2436 {
2437 TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n",
2438 graphics, brush, x, y, width, height, startAngle, sweepAngle);
2439
2440 return GdipFillPie(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
2441 }
2442
2443 GpStatus WINGDIPAPI GdipFillPolygon(GpGraphics *graphics, GpBrush *brush,
2444 GDIPCONST GpPointF *points, INT count, GpFillMode fillMode)
2445 {
2446 INT save_state;
2447 GpPointF *ptf = NULL;
2448 POINT *pti = NULL;
2449 GpStatus retval = Ok;
2450
2451 TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
2452
2453 if(!graphics || !brush || !points || !count)
2454 return InvalidParameter;
2455
2456 if(graphics->busy)
2457 return ObjectBusy;
2458
2459 ptf = GdipAlloc(count * sizeof(GpPointF));
2460 pti = GdipAlloc(count * sizeof(POINT));
2461 if(!ptf || !pti){
2462 retval = OutOfMemory;
2463 goto end;
2464 }
2465
2466 memcpy(ptf, points, count * sizeof(GpPointF));
2467
2468 save_state = SaveDC(graphics->hdc);
2469 EndPath(graphics->hdc);
2470 SelectObject(graphics->hdc, brush->gdibrush);
2471 SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
2472 SetPolyFillMode(graphics->hdc, (fillMode == FillModeAlternate ? ALTERNATE
2473 : WINDING));
2474
2475 transform_and_round_points(graphics, pti, ptf, count);
2476 Polygon(graphics->hdc, pti, count);
2477
2478 RestoreDC(graphics->hdc, save_state);
2479
2480 end:
2481 GdipFree(ptf);
2482 GdipFree(pti);
2483
2484 return retval;
2485 }
2486
2487 GpStatus WINGDIPAPI GdipFillPolygonI(GpGraphics *graphics, GpBrush *brush,
2488 GDIPCONST GpPoint *points, INT count, GpFillMode fillMode)
2489 {
2490 INT save_state, i;
2491 GpPointF *ptf = NULL;
2492 POINT *pti = NULL;
2493 GpStatus retval = Ok;
2494
2495 TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
2496
2497 if(!graphics || !brush || !points || !count)
2498 return InvalidParameter;
2499
2500 if(graphics->busy)
2501 return ObjectBusy;
2502
2503 ptf = GdipAlloc(count * sizeof(GpPointF));
2504 pti = GdipAlloc(count * sizeof(POINT));
2505 if(!ptf || !pti){
2506 retval = OutOfMemory;
2507 goto end;
2508 }
2509
2510 for(i = 0; i < count; i ++){
2511 ptf[i].X = (REAL) points[i].X;
2512 ptf[i].Y = (REAL) points[i].Y;
2513 }
2514
2515 save_state = SaveDC(graphics->hdc);
2516 EndPath(graphics->hdc);
2517 SelectObject(graphics->hdc, brush->gdibrush);
2518 SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
2519 SetPolyFillMode(graphics->hdc, (fillMode == FillModeAlternate ? ALTERNATE
2520 : WINDING));
2521
2522 transform_and_round_points(graphics, pti, ptf, count);
2523 Polygon(graphics->hdc, pti, count);
2524
2525 RestoreDC(graphics->hdc, save_state);
2526
2527 end:
2528 GdipFree(ptf);
2529 GdipFree(pti);
2530
2531 return retval;
2532 }
2533
2534 GpStatus WINGDIPAPI GdipFillPolygon2(GpGraphics *graphics, GpBrush *brush,
2535 GDIPCONST GpPointF *points, INT count)
2536 {
2537 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
2538
2539 return GdipFillPolygon(graphics, brush, points, count, FillModeAlternate);
2540 }
2541
2542 GpStatus WINGDIPAPI GdipFillPolygon2I(GpGraphics *graphics, GpBrush *brush,
2543 GDIPCONST GpPoint *points, INT count)
2544 {
2545 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
2546
2547 return GdipFillPolygonI(graphics, brush, points, count, FillModeAlternate);
2548 }
2549
2550 GpStatus WINGDIPAPI GdipFillRectangle(GpGraphics *graphics, GpBrush *brush,
2551 REAL x, REAL y, REAL width, REAL height)
2552 {
2553 INT save_state;
2554 GpPointF ptf[4];
2555 POINT pti[4];
2556
2557 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
2558
2559 if(!graphics || !brush)
2560 return InvalidParameter;
2561
2562 if(graphics->busy)
2563 return ObjectBusy;
2564
2565 ptf[0].X = x;
2566 ptf[0].Y = y;
2567 ptf[1].X = x + width;
2568 ptf[1].Y = y;
2569 ptf[2].X = x + width;
2570 ptf[2].Y = y + height;
2571 ptf[3].X = x;
2572 ptf[3].Y = y + height;
2573
2574 save_state = SaveDC(graphics->hdc);
2575 EndPath(graphics->hdc);
2576
2577 transform_and_round_points(graphics, pti, ptf, 4);
2578
2579 BeginPath(graphics->hdc);
2580 Polygon(graphics->hdc, pti, 4);
2581 EndPath(graphics->hdc);
2582
2583 brush_fill_path(graphics, brush);
2584
2585 RestoreDC(graphics->hdc, save_state);
2586
2587 return Ok;
2588 }
2589
2590 GpStatus WINGDIPAPI GdipFillRectangleI(GpGraphics *graphics, GpBrush *brush,
2591 INT x, INT y, INT width, INT height)
2592 {
2593 INT save_state;
2594 GpPointF ptf[4];
2595 POINT pti[4];
2596
2597 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
2598
2599 if(!graphics || !brush)
2600 return InvalidParameter;
2601
2602 if(graphics->busy)
2603 return ObjectBusy;
2604
2605 ptf[0].X = x;
2606 ptf[0].Y = y;
2607 ptf[1].X = x + width;
2608 ptf[1].Y = y;
2609 ptf[2].X = x + width;
2610 ptf[2].Y = y + height;
2611 ptf[3].X = x;
2612 ptf[3].Y = y + height;
2613
2614 save_state = SaveDC(graphics->hdc);
2615 EndPath(graphics->hdc);
2616 SelectObject(graphics->hdc, brush->gdibrush);
2617 SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
2618
2619 transform_and_round_points(graphics, pti, ptf, 4);
2620
2621 Polygon(graphics->hdc, pti, 4);
2622
2623 RestoreDC(graphics->hdc, save_state);
2624
2625 return Ok;
2626 }
2627
2628 GpStatus WINGDIPAPI GdipFillRectangles(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRectF *rects,
2629 INT count)
2630 {
2631 GpStatus ret;
2632 INT i;
2633
2634 TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
2635
2636 if(!rects)
2637 return InvalidParameter;
2638
2639 for(i = 0; i < count; i++){
2640 ret = GdipFillRectangle(graphics, brush, rects[i].X, rects[i].Y, rects[i].Width, rects[i].Height);
2641 if(ret != Ok) return ret;
2642 }
2643
2644 return Ok;
2645 }
2646
2647 GpStatus WINGDIPAPI GdipFillRectanglesI(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRect *rects,
2648 INT count)
2649 {
2650 GpRectF *rectsF;
2651 GpStatus ret;
2652 INT i;
2653
2654 TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
2655
2656 if(!rects || count <= 0)
2657 return InvalidParameter;
2658
2659 rectsF = GdipAlloc(sizeof(GpRectF)*count);
2660 if(!rectsF)
2661 return OutOfMemory;
2662
2663 for(i = 0; i < count; i++){
2664 rectsF[i].X = (REAL)rects[i].X;
2665 rectsF[i].Y = (REAL)rects[i].Y;
2666 rectsF[i].X = (REAL)rects[i].Width;
2667 rectsF[i].Height = (REAL)rects[i].Height;
2668 }
2669
2670 ret = GdipFillRectangles(graphics,brush,rectsF,count);
2671 GdipFree(rectsF);
2672
2673 return ret;
2674 }
2675
2676 /*****************************************************************************
2677 * GdipFillRegion [GDIPLUS.@]
2678 */
2679 GpStatus WINGDIPAPI GdipFillRegion(GpGraphics* graphics, GpBrush* brush,
2680 GpRegion* region)
2681 {
2682 INT save_state;
2683 GpStatus status;
2684 HRGN hrgn;
2685
2686 TRACE("(%p, %p, %p)\n", graphics, brush, region);
2687
2688 if (!(graphics && brush && region))
2689 return InvalidParameter;
2690
2691 if(graphics->busy)
2692 return ObjectBusy;
2693
2694 status = GdipGetRegionHRgn(region, graphics, &hrgn);
2695 if(status != Ok)
2696 return status;
2697
2698 save_state = SaveDC(graphics->hdc);
2699 EndPath(graphics->hdc);
2700 SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
2701
2702 FillRgn(graphics->hdc, hrgn, brush->gdibrush);
2703
2704 RestoreDC(graphics->hdc, save_state);
2705
2706 DeleteObject(hrgn);
2707
2708 return Ok;
2709 }
2710
2711 GpStatus WINGDIPAPI GdipFlush(GpGraphics *graphics, GpFlushIntention intention)
2712 {
2713 static int calls;
2714
2715 if(!graphics)
2716 return InvalidParameter;
2717
2718 if(graphics->busy)
2719 return ObjectBusy;
2720
2721 if(!(calls++))
2722 FIXME("not implemented\n");
2723
2724 return NotImplemented;
2725 }
2726
2727 /*****************************************************************************
2728 * GdipGetClipBounds [GDIPLUS.@]
2729 */
2730 GpStatus WINGDIPAPI GdipGetClipBounds(GpGraphics *graphics, GpRectF *rect)
2731 {
2732 TRACE("(%p, %p)\n", graphics, rect);
2733
2734 if(!graphics)
2735 return InvalidParameter;
2736
2737 if(graphics->busy)
2738 return ObjectBusy;
2739
2740 return GdipGetRegionBounds(graphics->clip, graphics, rect);
2741 }
2742
2743 /*****************************************************************************
2744 * GdipGetClipBoundsI [GDIPLUS.@]
2745 */
2746 GpStatus WINGDIPAPI GdipGetClipBoundsI(GpGraphics *graphics, GpRect *rect)
2747 {
2748 TRACE("(%p, %p)\n", graphics, rect);
2749
2750 if(!graphics)
2751 return InvalidParameter;
2752
2753 if(graphics->busy)
2754 return ObjectBusy;
2755
2756 return GdipGetRegionBoundsI(graphics->clip, graphics, rect);
2757 }
2758
2759 /* FIXME: Compositing mode is not used anywhere except the getter/setter. */
2760 GpStatus WINGDIPAPI GdipGetCompositingMode(GpGraphics *graphics,
2761 CompositingMode *mode)
2762 {
2763 TRACE("(%p, %p)\n", graphics, mode);
2764
2765 if(!graphics || !mode)
2766 return InvalidParameter;
2767
2768 if(graphics->busy)
2769 return ObjectBusy;
2770
2771 *mode = graphics->compmode;
2772
2773 return Ok;
2774 }
2775
2776 /* FIXME: Compositing quality is not used anywhere except the getter/setter. */
2777 GpStatus WINGDIPAPI GdipGetCompositingQuality(GpGraphics *graphics,
2778 CompositingQuality *quality)
2779 {
2780 TRACE("(%p, %p)\n", graphics, quality);
2781
2782 if(!graphics || !quality)
2783 return InvalidParameter;
2784
2785 if(graphics->busy)
2786 return ObjectBusy;
2787
2788 *quality = graphics->compqual;
2789
2790 return Ok;
2791 }
2792
2793 /* FIXME: Interpolation mode is not used anywhere except the getter/setter. */
2794 GpStatus WINGDIPAPI GdipGetInterpolationMode(GpGraphics *graphics,
2795 InterpolationMode *mode)
2796 {
2797 TRACE("(%p, %p)\n", graphics, mode);
2798
2799 if(!graphics || !mode)
2800 return InvalidParameter;
2801
2802 if(graphics->busy)
2803 return ObjectBusy;
2804
2805 *mode = graphics->interpolation;
2806
2807 return Ok;
2808 }
2809
2810 GpStatus WINGDIPAPI GdipGetNearestColor(GpGraphics *graphics, ARGB* argb)
2811 {
2812 if(!graphics || !argb)
2813 return InvalidParameter;
2814
2815 if(graphics->busy)
2816 return ObjectBusy;
2817
2818 FIXME("(%p, %p): stub\n", graphics, argb);
2819
2820 return NotImplemented;
2821 }
2822
2823 GpStatus WINGDIPAPI GdipGetPageScale(GpGraphics *graphics, REAL *scale)
2824 {
2825 TRACE("(%p, %p)\n", graphics, scale);
2826
2827 if(!graphics || !scale)
2828 return InvalidParameter;
2829
2830 if(graphics->busy)
2831 return ObjectBusy;
2832
2833 *scale = graphics->scale;
2834
2835 return Ok;
2836 }
2837
2838 GpStatus WINGDIPAPI GdipGetPageUnit(GpGraphics *graphics, GpUnit *unit)
2839 {
2840 TRACE("(%p, %p)\n", graphics, unit);
2841
2842 if(!graphics || !unit)
2843 return InvalidParameter;
2844
2845 if(graphics->busy)
2846 return ObjectBusy;
2847
2848 *unit = graphics->unit;
2849
2850 return Ok;
2851 }
2852
2853 /* FIXME: Pixel offset mode is not used anywhere except the getter/setter. */
2854 GpStatus WINGDIPAPI GdipGetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
2855 *mode)
2856 {
2857 TRACE("(%p, %p)\n", graphics, mode);
2858
2859 if(!graphics || !mode)
2860 return InvalidParameter;
2861
2862 if(graphics->busy)
2863 return ObjectBusy;
2864
2865 *mode = graphics->pixeloffset;
2866
2867 return Ok;
2868 }
2869
2870 /* FIXME: Smoothing mode is not used anywhere except the getter/setter. */
2871 GpStatus WINGDIPAPI GdipGetSmoothingMode(GpGraphics *graphics, SmoothingMode *mode)
2872 {
2873 TRACE("(%p, %p)\n", graphics, mode);
2874
2875 if(!graphics || !mode)
2876 return InvalidParameter;
2877
2878 if(graphics->busy)
2879 return ObjectBusy;
2880
2881 *mode = graphics->smoothing;
2882
2883 return Ok;
2884 }
2885
2886 GpStatus WINGDIPAPI GdipGetTextContrast(GpGraphics *graphics, UINT *contrast)
2887 {
2888 TRACE("(%p, %p)\n", graphics, contrast);
2889
2890 if(!graphics || !contrast)
2891 return InvalidParameter;
2892
2893 *contrast = graphics->textcontrast;
2894
2895 return Ok;
2896 }
2897
2898 /* FIXME: Text rendering hint is not used anywhere except the getter/setter. */
2899 GpStatus WINGDIPAPI GdipGetTextRenderingHint(GpGraphics *graphics,
2900 TextRenderingHint *hint)
2901 {
2902 TRACE("(%p, %p)\n", graphics, hint);
2903
2904 if(!graphics || !hint)
2905 return InvalidParameter;
2906
2907 if(graphics->busy)
2908 return ObjectBusy;
2909
2910 *hint = graphics->texthint;
2911
2912 return Ok;
2913 }
2914
2915 GpStatus WINGDIPAPI GdipGetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
2916 {
2917 TRACE("(%p, %p)\n", graphics, matrix);
2918
2919 if(!graphics || !matrix)
2920 return InvalidParameter;
2921
2922 if(graphics->busy)
2923 return ObjectBusy;
2924
2925 *matrix = *graphics->worldtrans;
2926 return Ok;
2927 }
2928
2929 GpStatus WINGDIPAPI GdipGraphicsClear(GpGraphics *graphics, ARGB color)
2930 {
2931 GpSolidFill *brush;
2932 GpStatus stat;
2933 RECT rect;
2934
2935 TRACE("(%p, %x)\n", graphics, color);
2936
2937 if(!graphics)
2938 return InvalidParameter;
2939
2940 if(graphics->busy)
2941 return ObjectBusy;
2942
2943 if((stat = GdipCreateSolidFill(color, &brush)) != Ok)
2944 return stat;
2945
2946 if(graphics->hwnd){
2947 if(!GetWindowRect(graphics->hwnd, &rect)){
2948 GdipDeleteBrush((GpBrush*)brush);
2949 return GenericError;
2950 }
2951
2952 GdipFillRectangle(graphics, (GpBrush*)brush, 0.0, 0.0, (REAL)(rect.right - rect.left),
2953 (REAL)(rect.bottom - rect.top));
2954 }
2955 else
2956 GdipFillRectangle(graphics, (GpBrush*)brush, 0.0, 0.0, (REAL)GetDeviceCaps(graphics->hdc, HORZRES),
2957 (REAL)GetDeviceCaps(graphics->hdc, VERTRES));
2958
2959 GdipDeleteBrush((GpBrush*)brush);
2960
2961 return Ok;
2962 }
2963
2964 GpStatus WINGDIPAPI GdipIsClipEmpty(GpGraphics *graphics, BOOL *res)
2965 {
2966 TRACE("(%p, %p)\n", graphics, res);
2967
2968 if(!graphics || !res)
2969 return InvalidParameter;
2970
2971 return GdipIsEmptyRegion(graphics->clip, graphics, res);
2972 }
2973
2974 GpStatus WINGDIPAPI GdipIsVisiblePoint(GpGraphics *graphics, REAL x, REAL y, BOOL *result)
2975 {
2976 FIXME("(%p, %.2f, %.2f, %p) stub\n", graphics, x, y, result);
2977
2978 if(!graphics || !result)
2979 return InvalidParameter;
2980
2981 if(graphics->busy)
2982 return ObjectBusy;
2983
2984 return NotImplemented;
2985 }
2986
2987 GpStatus WINGDIPAPI GdipIsVisiblePointI(GpGraphics *graphics, INT x, INT y, BOOL *result)
2988 {
2989 FIXME("(%p, %d, %d, %p) stub\n", graphics, x, y, result);
2990
2991 if(!graphics || !result)
2992 return InvalidParameter;
2993
2994 if(graphics->busy)
2995 return ObjectBusy;
2996
2997 return NotImplemented;
2998 }
2999
3000 GpStatus WINGDIPAPI GdipMeasureCharacterRanges(GpGraphics* graphics,
3001 GDIPCONST WCHAR* string, INT length, GDIPCONST GpFont* font,
3002 GDIPCONST RectF* layoutRect, GDIPCONST GpStringFormat *stringFormat,
3003 INT regionCount, GpRegion** regions)
3004 {
3005 if (!(graphics && string && font && layoutRect && stringFormat && regions))
3006 return InvalidParameter;
3007
3008 FIXME("stub: %p %s %d %p %p %p %d %p\n", graphics, debugstr_w(string),
3009 length, font, layoutRect, stringFormat, regionCount, regions);
3010
3011 return NotImplemented;
3012 }
3013
3014 /* Find the smallest rectangle that bounds the text when it is printed in rect
3015 * according to the format options listed in format. If rect has 0 width and
3016 * height, then just find the smallest rectangle that bounds the text when it's
3017 * printed at location (rect->X, rect-Y). */
3018 GpStatus WINGDIPAPI GdipMeasureString(GpGraphics *graphics,
3019 GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
3020 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format, RectF *bounds,
3021 INT *codepointsfitted, INT *linesfilled)
3022 {
3023 HFONT oldfont;
3024 WCHAR* stringdup;
3025 INT sum = 0, height = 0, fit, fitcpy, max_width = 0, i, j, lret, nwidth,
3026 nheight;
3027 SIZE size;
3028
3029 TRACE("(%p, %s, %i, %p, %s, %p, %p, %p, %p)\n", graphics,
3030 debugstr_wn(string, length), length, font, debugstr_rectf(rect), format,
3031 bounds, codepointsfitted, linesfilled);
3032
3033 if(!graphics || !string || !font || !rect)
3034 return InvalidParameter;
3035
3036 if(linesfilled) *linesfilled = 0;
3037 if(codepointsfitted) *codepointsfitted = 0;
3038
3039 if(format)
3040 TRACE("may be ignoring some format flags: attr %x\n", format->attr);
3041
3042 if(length == -1) length = lstrlenW(string);
3043
3044 stringdup = GdipAlloc((length + 1) * sizeof(WCHAR));
3045 if(!stringdup) return OutOfMemory;
3046
3047 oldfont = SelectObject(graphics->hdc, CreateFontIndirectW(&font->lfw));
3048 nwidth = roundr(rect->Width);
3049 nheight = roundr(rect->Height);
3050
3051 if((nwidth == 0) && (nheight == 0))
3052 nwidth = nheight = INT_MAX;
3053
3054 for(i = 0, j = 0; i < length; i++){
3055 if(!isprintW(string[i]) && (string[i] != '\n'))
3056 continue;
3057
3058 stringdup[j] = string[i];
3059 j++;
3060 }
3061
3062 stringdup[j] = 0;
3063 length = j;
3064
3065 while(sum < length){
3066 GetTextExtentExPointW(graphics->hdc, stringdup + sum, length - sum,
3067 nwidth, &fit, NULL, &size);
3068 fitcpy = fit;
3069
3070 if(fit == 0)
3071 break;
3072
3073 for(lret = 0; lret < fit; lret++)
3074 if(*(stringdup + sum + lret) == '\n')
3075 break;
3076
3077 /* Line break code (may look strange, but it imitates windows). */
3078 if(lret < fit)
3079 fit = lret; /* this is not an off-by-one error */
3080 else if(fit < (length - sum)){
3081 if(*(stringdup + sum + fit) == ' ')
3082 while(*(stringdup + sum + fit) == ' ')
3083 fit++;
3084 else
3085 while(*(stringdup + sum + fit - 1) != ' '){
3086 fit--;
3087
3088 if(*(stringdup + sum + fit) == '\t')
3089 break;
3090
3091 if(fit == 0){
3092 fit = fitcpy;
3093 break;
3094 }
3095 }
3096 }
3097
3098 GetTextExtentExPointW(graphics->hdc, stringdup + sum, fit,
3099 nwidth, &j, NULL, &size);
3100
3101 sum += fit + (lret < fitcpy ? 1 : 0);
3102 if(codepointsfitted) *codepointsfitted = sum;
3103
3104 height += size.cy;
3105 if(linesfilled) *linesfilled += size.cy;
3106 max_width = max(max_width, size.cx);
3107
3108 if(height > nheight)
3109 break;
3110
3111 /* Stop if this was a linewrap (but not if it was a linebreak). */
3112 if((lret == fitcpy) && format && (format->attr & StringFormatFlagsNoWrap))
3113 break;
3114 }
3115
3116 bounds->X = rect->X;
3117 bounds->Y = rect->Y;
3118 bounds->Width = (REAL)max_width;
3119 bounds->Height = (REAL) min(height, nheight);
3120
3121 GdipFree(stringdup);
3122 DeleteObject(SelectObject(graphics->hdc, oldfont));
3123
3124 return Ok;
3125 }
3126
3127 GpStatus WINGDIPAPI GdipResetClip(GpGraphics *graphics)
3128 {
3129 TRACE("(%p)\n", graphics);
3130
3131 if(!graphics)
3132 return InvalidParameter;
3133
3134 if(graphics->busy)
3135 return ObjectBusy;
3136
3137 return GdipSetInfinite(graphics->clip);
3138 }
3139
3140 GpStatus WINGDIPAPI GdipResetWorldTransform(GpGraphics *graphics)
3141 {
3142 TRACE("(%p)\n", graphics);
3143
3144 if(!graphics)
3145 return InvalidParameter;
3146
3147 if(graphics->busy)
3148 return ObjectBusy;
3149
3150 graphics->worldtrans->matrix[0] = 1.0;
3151 graphics->worldtrans->matrix[1] = 0.0;
3152 graphics->worldtrans->matrix[2] = 0.0;
3153 graphics->worldtrans->matrix[3] = 1.0;
3154 graphics->worldtrans->matrix[4] = 0.0;
3155 graphics->worldtrans->matrix[5] = 0.0;
3156
3157 return Ok;
3158 }
3159
3160 GpStatus WINGDIPAPI GdipRestoreGraphics(GpGraphics *graphics, GraphicsState state)
3161 {
3162 static int calls;
3163
3164 if(!graphics)
3165 return InvalidParameter;
3166
3167 if(!(calls++))
3168 FIXME("graphics state not implemented\n");
3169
3170 return Ok;
3171 }
3172
3173 GpStatus WINGDIPAPI GdipRotateWorldTransform(GpGraphics *graphics, REAL angle,
3174 GpMatrixOrder order)
3175 {
3176 TRACE("(%p, %.2f, %d)\n", graphics, angle, order);
3177
3178 if(!graphics)
3179 return InvalidParameter;
3180
3181 if(graphics->busy)
3182 return ObjectBusy;
3183
3184 return GdipRotateMatrix(graphics->worldtrans, angle, order);
3185 }
3186
3187 GpStatus WINGDIPAPI GdipSaveGraphics(GpGraphics *graphics, GraphicsState *state)
3188 {
3189 static int calls;
3190
3191 if(!graphics || !state)
3192 return InvalidParameter;
3193
3194 if(!(calls++))
3195 FIXME("graphics state not implemented\n");
3196
3197 *state = 0xdeadbeef;
3198 return Ok;
3199 }
3200
3201 GpStatus WINGDIPAPI GdipBeginContainer2(GpGraphics *graphics, GraphicsContainer *state)
3202 {
3203 FIXME("(%p, %p)\n", graphics, state);
3204
3205 if(!graphics || !state)
3206 return InvalidParameter;
3207
3208 *state = 0xdeadbeef;
3209 return Ok;
3210 }
3211
3212 GpStatus WINGDIPAPI GdipBeginContainer(GpGraphics *graphics, GDIPCONST GpRectF *dstrect, GDIPCONST GpRectF *srcrect, GpUnit unit, GraphicsContainer *state)
3213 {
3214 FIXME("(%p, %p, %p, %d, %p): stub\n", graphics, dstrect, srcrect, unit, state);
3215 return NotImplemented;
3216 }
3217
3218 GpStatus WINGDIPAPI GdipBeginContainerI(GpGraphics *graphics, GDIPCONST GpRect *dstrect, GDIPCONST GpRect *srcrect, GpUnit unit, GraphicsContainer *state)
3219 {
3220 FIXME("(%p, %p, %p, %d, %p): stub\n", graphics, dstrect, srcrect, unit, state);
3221 return NotImplemented;
3222 }
3223
3224 GpStatus WINGDIPAPI GdipComment(GpGraphics *graphics, UINT sizeData, GDIPCONST BYTE *data)
3225 {
3226 FIXME("(%p, %d, %p): stub\n", graphics, sizeData, data);
3227 return NotImplemented;
3228 }
3229
3230 GpStatus WINGDIPAPI GdipEndContainer(GpGraphics *graphics, GraphicsState state)
3231 {
3232 FIXME("(%p, 0x%x)\n", graphics, state);
3233
3234 if(!graphics || !state)
3235 return InvalidParameter;
3236
3237 return Ok;
3238 }
3239
3240 GpStatus WINGDIPAPI GdipScaleWorldTransform(GpGraphics *graphics, REAL sx,
3241 REAL sy, GpMatrixOrder order)
3242 {
3243 TRACE("(%p, %.2f, %.2f, %d)\n", graphics, sx, sy, order);
3244
3245 if(!graphics)
3246 return InvalidParameter;
3247
3248 if(graphics->busy)
3249 return ObjectBusy;
3250
3251 return GdipScaleMatrix(graphics->worldtrans, sx, sy, order);
3252 }
3253
3254 GpStatus WINGDIPAPI GdipSetClipGraphics(GpGraphics *graphics, GpGraphics *srcgraphics,
3255 CombineMode mode)
3256 {
3257 TRACE("(%p, %p, %d)\n", graphics, srcgraphics, mode);
3258
3259 if(!graphics || !srcgraphics)
3260 return InvalidParameter;
3261
3262 return GdipCombineRegionRegion(graphics->clip, srcgraphics->clip, mode);
3263 }
3264
3265 GpStatus WINGDIPAPI GdipSetCompositingMode(GpGraphics *graphics,
3266 CompositingMode mode)
3267 {
3268 TRACE("(%p, %d)\n", graphics, mode);
3269
3270 if(!graphics)
3271 return InvalidParameter;
3272
3273 if(graphics->busy)
3274 return ObjectBusy;
3275
3276 graphics->compmode = mode;
3277
3278 return Ok;
3279 }
3280
3281 GpStatus WINGDIPAPI GdipSetCompositingQuality(GpGraphics *graphics,
3282 CompositingQuality quality)
3283 {
3284 TRACE("(%p, %d)\n", graphics, quality);
3285
3286 if(!graphics)
3287 return InvalidParameter;
3288
3289 if(graphics->busy)
3290 return ObjectBusy;
3291
3292 graphics->compqual = quality;
3293
3294 return Ok;
3295 }
3296
3297 GpStatus WINGDIPAPI GdipSetInterpolationMode(GpGraphics *graphics,
3298 InterpolationMode mode)
3299 {
3300 TRACE("(%p, %d)\n", graphics, mode);
3301
3302 if(!graphics)
3303 return InvalidParameter;
3304
3305 if(graphics->busy)
3306 return ObjectBusy;
3307
3308 graphics->interpolation = mode;
3309
3310 return Ok;
3311 }
3312
3313 GpStatus WINGDIPAPI GdipSetPageScale(GpGraphics *graphics, REAL scale)
3314 {
3315 TRACE("(%p, %.2f)\n", graphics, scale);
3316
3317 if(!graphics || (scale <= 0.0))
3318 return InvalidParameter;
3319
3320 if(graphics->busy)
3321 return ObjectBusy;
3322
3323 graphics->scale = scale;
3324
3325 return Ok;
3326 }
3327
3328 GpStatus WINGDIPAPI GdipSetPageUnit(GpGraphics *graphics, GpUnit unit)
3329 {
3330 TRACE("(%p, %d)\n", graphics, unit);
3331
3332 if(!graphics)
3333 return InvalidParameter;
3334
3335 if(graphics->busy)
3336 return ObjectBusy;
3337
3338 if(unit == UnitWorld)
3339 return InvalidParameter;
3340
3341 graphics->unit = unit;
3342
3343 return Ok;
3344 }
3345
3346 GpStatus WINGDIPAPI GdipSetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
3347 mode)
3348 {
3349 TRACE("(%p, %d)\n", graphics, mode);
3350
3351 if(!graphics)
3352 return InvalidParameter;
3353
3354 if(graphics->busy)
3355 return ObjectBusy;
3356
3357 graphics->pixeloffset = mode;
3358
3359 return Ok;
3360 }
3361
3362 GpStatus WINGDIPAPI GdipSetRenderingOrigin(GpGraphics *graphics, INT x, INT y)
3363 {
3364 static int calls;
3365
3366 TRACE("(%p,%i,%i)\n", graphics, x, y);
3367
3368 if (!(calls++))
3369 FIXME("not implemented\n");
3370
3371 return NotImplemented;
3372 }
3373
3374 GpStatus WINGDIPAPI GdipSetSmoothingMode(GpGraphics *graphics, SmoothingMode mode)
3375 {
3376 TRACE("(%p, %d)\n", graphics, mode);
3377
3378 if(!graphics)
3379 return InvalidParameter;
3380
3381 if(graphics->busy)
3382 return ObjectBusy;
3383
3384 graphics->smoothing = mode;
3385
3386 return Ok;
3387 }
3388
3389 GpStatus WINGDIPAPI GdipSetTextContrast(GpGraphics *graphics, UINT contrast)
3390 {
3391 TRACE("(%p, %d)\n", graphics, contrast);
3392
3393 if(!graphics)
3394 return InvalidParameter;
3395
3396 graphics->textcontrast = contrast;
3397
3398 return Ok;
3399 }
3400
3401 GpStatus WINGDIPAPI GdipSetTextRenderingHint(GpGraphics *graphics,
3402 TextRenderingHint hint)
3403 {
3404 TRACE("(%p, %d)\n", graphics, hint);
3405
3406 if(!graphics)
3407 return InvalidParameter;
3408
3409 if(graphics->busy)
3410 return ObjectBusy;
3411
3412 graphics->texthint = hint;
3413
3414 return Ok;
3415 }
3416
3417 GpStatus WINGDIPAPI GdipSetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
3418 {
3419 TRACE("(%p, %p)\n", graphics, matrix);
3420
3421 if(!graphics || !matrix)
3422 return InvalidParameter;
3423
3424 if(graphics->busy)
3425 return ObjectBusy;
3426
3427 GdipDeleteMatrix(graphics->worldtrans);
3428 return GdipCloneMatrix(matrix, &graphics->worldtrans);
3429 }
3430
3431 GpStatus WINGDIPAPI GdipTranslateWorldTransform(GpGraphics *graphics, REAL dx,
3432 REAL dy, GpMatrixOrder order)
3433 {
3434 TRACE("(%p, %.2f, %.2f, %d)\n", graphics, dx, dy, order);
3435
3436 if(!graphics)
3437 return InvalidParameter;
3438
3439 if(graphics->busy)
3440 return ObjectBusy;
3441
3442 return GdipTranslateMatrix(graphics->worldtrans, dx, dy, order);
3443 }
3444
3445 /*****************************************************************************
3446 * GdipSetClipHrgn [GDIPLUS.@]
3447 */
3448 GpStatus WINGDIPAPI GdipSetClipHrgn(GpGraphics *graphics, HRGN hrgn, CombineMode mode)
3449 {
3450 GpRegion *region;
3451 GpStatus status;
3452
3453 TRACE("(%p, %p, %d)\n", graphics, hrgn, mode);
3454
3455 if(!graphics)
3456 return InvalidParameter;
3457
3458 status = GdipCreateRegionHrgn(hrgn, &region);
3459 if(status != Ok)
3460 return status;
3461
3462 status = GdipSetClipRegion(graphics, region, mode);
3463
3464 GdipDeleteRegion(region);
3465 return status;
3466 }
3467
3468 GpStatus WINGDIPAPI GdipSetClipPath(GpGraphics *graphics, GpPath *path, CombineMode mode)
3469 {
3470 TRACE("(%p, %p, %d)\n", graphics, path, mode);
3471
3472 if(!graphics)
3473 return InvalidParameter;
3474