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gdiplus: Don't draw outside of gradient lines.
[wine/multimedia.git] / dlls / gdiplus / graphics.c
blob9ba7d47f58ade078dfd925493262e37981ac41c1
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 default:
350 SelectObject(graphics->hdc, brush->gdibrush);
351 FillPath(graphics->hdc);
352 break;
353 }
354 }
355
356 /* GdipDrawPie/GdipFillPie helper function */
357 static void draw_pie(GpGraphics *graphics, REAL x, REAL y, REAL width,
358 REAL height, REAL startAngle, REAL sweepAngle)
359 {
360 GpPointF ptf[4];
361 POINT pti[4];
362
363 ptf[0].X = x;
364 ptf[0].Y = y;
365 ptf[1].X = x + width;
366 ptf[1].Y = y + height;
367
368 deg2xy(startAngle+sweepAngle, x + width / 2.0, y + width / 2.0, &ptf[2].X, &ptf[2].Y);
369 deg2xy(startAngle, x + width / 2.0, y + width / 2.0, &ptf[3].X, &ptf[3].Y);
370
371 transform_and_round_points(graphics, pti, ptf, 4);
372
373 Pie(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y, pti[2].x,
374 pti[2].y, pti[3].x, pti[3].y);
375 }
376
377 /* Draws the linecap the specified color and size on the hdc. The linecap is in
378 * direction of the line from x1, y1 to x2, y2 and is anchored on x2, y2. Probably
379 * should not be called on an hdc that has a path you care about. */
380 static void draw_cap(GpGraphics *graphics, COLORREF color, GpLineCap cap, REAL size,
381 const GpCustomLineCap *custom, REAL x1, REAL y1, REAL x2, REAL y2)
382 {
383 HGDIOBJ oldbrush = NULL, oldpen = NULL;
384 GpMatrix *matrix = NULL;
385 HBRUSH brush = NULL;
386 HPEN pen = NULL;
387 PointF ptf[4], *custptf = NULL;
388 POINT pt[4], *custpt = NULL;
389 BYTE *tp = NULL;
390 REAL theta, dsmall, dbig, dx, dy = 0.0;
391 INT i, count;
392 LOGBRUSH lb;
393 BOOL customstroke;
394
395 if((x1 == x2) && (y1 == y2))
396 return;
397
398 theta = gdiplus_atan2(y2 - y1, x2 - x1);
399
400 customstroke = (cap == LineCapCustom) && custom && (!custom->fill);
401 if(!customstroke){
402 brush = CreateSolidBrush(color);
403 lb.lbStyle = BS_SOLID;
404 lb.lbColor = color;
405 lb.lbHatch = 0;
406 pen = ExtCreatePen(PS_GEOMETRIC | PS_SOLID | PS_ENDCAP_FLAT |
407 PS_JOIN_MITER, 1, &lb, 0,
408 NULL);
409 oldbrush = SelectObject(graphics->hdc, brush);
410 oldpen = SelectObject(graphics->hdc, pen);
411 }
412
413 switch(cap){
414 case LineCapFlat:
415 break;
416 case LineCapSquare:
417 case LineCapSquareAnchor:
418 case LineCapDiamondAnchor:
419 size = size * (cap & LineCapNoAnchor ? ANCHOR_WIDTH : 1.0) / 2.0;
420 if(cap == LineCapDiamondAnchor){
421 dsmall = cos(theta + M_PI_2) * size;
422 dbig = sin(theta + M_PI_2) * size;
423 }
424 else{
425 dsmall = cos(theta + M_PI_4) * size;
426 dbig = sin(theta + M_PI_4) * size;
427 }
428
429 ptf[0].X = x2 - dsmall;
430 ptf[1].X = x2 + dbig;
431
432 ptf[0].Y = y2 - dbig;
433 ptf[3].Y = y2 + dsmall;
434
435 ptf[1].Y = y2 - dsmall;
436 ptf[2].Y = y2 + dbig;
437
438 ptf[3].X = x2 - dbig;
439 ptf[2].X = x2 + dsmall;
440
441 transform_and_round_points(graphics, pt, ptf, 4);
442 Polygon(graphics->hdc, pt, 4);
443
444 break;
445 case LineCapArrowAnchor:
446 size = size * 4.0 / sqrt(3.0);
447
448 dx = cos(M_PI / 6.0 + theta) * size;
449 dy = sin(M_PI / 6.0 + theta) * size;
450
451 ptf[0].X = x2 - dx;
452 ptf[0].Y = y2 - dy;
453
454 dx = cos(- M_PI / 6.0 + theta) * size;
455 dy = sin(- M_PI / 6.0 + theta) * size;
456
457 ptf[1].X = x2 - dx;
458 ptf[1].Y = y2 - dy;
459
460 ptf[2].X = x2;
461 ptf[2].Y = y2;
462
463 transform_and_round_points(graphics, pt, ptf, 3);
464 Polygon(graphics->hdc, pt, 3);
465
466 break;
467 case LineCapRoundAnchor:
468 dx = dy = ANCHOR_WIDTH * size / 2.0;
469
470 ptf[0].X = x2 - dx;
471 ptf[0].Y = y2 - dy;
472 ptf[1].X = x2 + dx;
473 ptf[1].Y = y2 + dy;
474
475 transform_and_round_points(graphics, pt, ptf, 2);
476 Ellipse(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y);
477
478 break;
479 case LineCapTriangle:
480 size = size / 2.0;
481 dx = cos(M_PI_2 + theta) * size;
482 dy = sin(M_PI_2 + theta) * size;
483
484 ptf[0].X = x2 - dx;
485 ptf[0].Y = y2 - dy;
486 ptf[1].X = x2 + dx;
487 ptf[1].Y = y2 + dy;
488
489 dx = cos(theta) * size;
490 dy = sin(theta) * size;
491
492 ptf[2].X = x2 + dx;
493 ptf[2].Y = y2 + dy;
494
495 transform_and_round_points(graphics, pt, ptf, 3);
496 Polygon(graphics->hdc, pt, 3);
497
498 break;
499 case LineCapRound:
500 dx = dy = size / 2.0;
501
502 ptf[0].X = x2 - dx;
503 ptf[0].Y = y2 - dy;
504 ptf[1].X = x2 + dx;
505 ptf[1].Y = y2 + dy;
506
507 dx = -cos(M_PI_2 + theta) * size;
508 dy = -sin(M_PI_2 + theta) * size;
509
510 ptf[2].X = x2 - dx;
511 ptf[2].Y = y2 - dy;
512 ptf[3].X = x2 + dx;
513 ptf[3].Y = y2 + dy;
514
515 transform_and_round_points(graphics, pt, ptf, 4);
516 Pie(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y, pt[2].x,
517 pt[2].y, pt[3].x, pt[3].y);
518
519 break;
520 case LineCapCustom:
521 if(!custom)
522 break;
523
524 count = custom->pathdata.Count;
525 custptf = GdipAlloc(count * sizeof(PointF));
526 custpt = GdipAlloc(count * sizeof(POINT));
527 tp = GdipAlloc(count);
528
529 if(!custptf || !custpt || !tp || (GdipCreateMatrix(&matrix) != Ok))
530 goto custend;
531
532 memcpy(custptf, custom->pathdata.Points, count * sizeof(PointF));
533
534 GdipScaleMatrix(matrix, size, size, MatrixOrderAppend);
535 GdipRotateMatrix(matrix, (180.0 / M_PI) * (theta - M_PI_2),
536 MatrixOrderAppend);
537 GdipTranslateMatrix(matrix, x2, y2, MatrixOrderAppend);
538 GdipTransformMatrixPoints(matrix, custptf, count);
539
540 transform_and_round_points(graphics, custpt, custptf, count);
541
542 for(i = 0; i < count; i++)
543 tp[i] = convert_path_point_type(custom->pathdata.Types[i]);
544
545 if(custom->fill){
546 BeginPath(graphics->hdc);
547 PolyDraw(graphics->hdc, custpt, tp, count);
548 EndPath(graphics->hdc);
549 StrokeAndFillPath(graphics->hdc);
550 }
551 else
552 PolyDraw(graphics->hdc, custpt, tp, count);
553
554 custend:
555 GdipFree(custptf);
556 GdipFree(custpt);
557 GdipFree(tp);
558 GdipDeleteMatrix(matrix);
559 break;
560 default:
561 break;
562 }
563
564 if(!customstroke){
565 SelectObject(graphics->hdc, oldbrush);
566 SelectObject(graphics->hdc, oldpen);
567 DeleteObject(brush);
568 DeleteObject(pen);
569 }
570 }
571
572 /* Shortens the line by the given percent by changing x2, y2.
573 * If percent is > 1.0 then the line will change direction.
574 * If percent is negative it can lengthen the line. */
575 static void shorten_line_percent(REAL x1, REAL y1, REAL *x2, REAL *y2, REAL percent)
576 {
577 REAL dist, theta, dx, dy;
578
579 if((y1 == *y2) && (x1 == *x2))
580 return;
581
582 dist = sqrt((*x2 - x1) * (*x2 - x1) + (*y2 - y1) * (*y2 - y1)) * -percent;
583 theta = gdiplus_atan2((*y2 - y1), (*x2 - x1));
584 dx = cos(theta) * dist;
585 dy = sin(theta) * dist;
586
587 *x2 = *x2 + dx;
588 *y2 = *y2 + dy;
589 }
590
591 /* Shortens the line by the given amount by changing x2, y2.
592 * If the amount is greater than the distance, the line will become length 0.
593 * If the amount is negative, it can lengthen the line. */
594 static void shorten_line_amt(REAL x1, REAL y1, REAL *x2, REAL *y2, REAL amt)
595 {
596 REAL dx, dy, percent;
597
598 dx = *x2 - x1;
599 dy = *y2 - y1;
600 if(dx == 0 && dy == 0)
601 return;
602
603 percent = amt / sqrt(dx * dx + dy * dy);
604 if(percent >= 1.0){
605 *x2 = x1;
606 *y2 = y1;
607 return;
608 }
609
610 shorten_line_percent(x1, y1, x2, y2, percent);
611 }
612
613 /* Draws lines between the given points, and if caps is true then draws an endcap
614 * at the end of the last line. */
615 static GpStatus draw_polyline(GpGraphics *graphics, GpPen *pen,
616 GDIPCONST GpPointF * pt, INT count, BOOL caps)
617 {
618 POINT *pti = NULL;
619 GpPointF *ptcopy = NULL;
620 GpStatus status = GenericError;
621
622 if(!count)
623 return Ok;
624
625 pti = GdipAlloc(count * sizeof(POINT));
626 ptcopy = GdipAlloc(count * sizeof(GpPointF));
627
628 if(!pti || !ptcopy){
629 status = OutOfMemory;
630 goto end;
631 }
632
633 memcpy(ptcopy, pt, count * sizeof(GpPointF));
634
635 if(caps){
636 if(pen->endcap == LineCapArrowAnchor)
637 shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
638 &ptcopy[count-1].X, &ptcopy[count-1].Y, pen->width);
639 else if((pen->endcap == LineCapCustom) && pen->customend)
640 shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
641 &ptcopy[count-1].X, &ptcopy[count-1].Y,
642 pen->customend->inset * pen->width);
643
644 if(pen->startcap == LineCapArrowAnchor)
645 shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
646 &ptcopy[0].X, &ptcopy[0].Y, pen->width);
647 else if((pen->startcap == LineCapCustom) && pen->customstart)
648 shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
649 &ptcopy[0].X, &ptcopy[0].Y,
650 pen->customstart->inset * pen->width);
651
652 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
653 pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X, pt[count - 1].Y);
654 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
655 pt[1].X, pt[1].Y, pt[0].X, pt[0].Y);
656 }
657
658 transform_and_round_points(graphics, pti, ptcopy, count);
659
660 if(Polyline(graphics->hdc, pti, count))
661 status = Ok;
662
663 end:
664 GdipFree(pti);
665 GdipFree(ptcopy);
666
667 return status;
668 }
669
670 /* Conducts a linear search to find the bezier points that will back off
671 * the endpoint of the curve by a distance of amt. Linear search works
672 * better than binary in this case because there are multiple solutions,
673 * and binary searches often find a bad one. I don't think this is what
674 * Windows does but short of rendering the bezier without GDI's help it's
675 * the best we can do. If rev then work from the start of the passed points
676 * instead of the end. */
677 static void shorten_bezier_amt(GpPointF * pt, REAL amt, BOOL rev)
678 {
679 GpPointF origpt[4];
680 REAL percent = 0.00, dx, dy, origx, origy, diff = -1.0;
681 INT i, first = 0, second = 1, third = 2, fourth = 3;
682
683 if(rev){
684 first = 3;
685 second = 2;
686 third = 1;
687 fourth = 0;
688 }
689
690 origx = pt[fourth].X;
691 origy = pt[fourth].Y;
692 memcpy(origpt, pt, sizeof(GpPointF) * 4);
693
694 for(i = 0; (i < MAX_ITERS) && (diff < amt); i++){
695 /* reset bezier points to original values */
696 memcpy(pt, origpt, sizeof(GpPointF) * 4);
697 /* Perform magic on bezier points. Order is important here.*/
698 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
699 shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
700 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
701 shorten_line_percent(pt[first].X, pt[first].Y, &pt[second].X, &pt[second].Y, percent);
702 shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
703 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
704
705 dx = pt[fourth].X - origx;
706 dy = pt[fourth].Y - origy;
707
708 diff = sqrt(dx * dx + dy * dy);
709 percent += 0.0005 * amt;
710 }
711 }
712
713 /* Draws bezier curves between given points, and if caps is true then draws an
714 * endcap at the end of the last line. */
715 static GpStatus draw_polybezier(GpGraphics *graphics, GpPen *pen,
716 GDIPCONST GpPointF * pt, INT count, BOOL caps)
717 {
718 POINT *pti;
719 GpPointF *ptcopy;
720 GpStatus status = GenericError;
721
722 if(!count)
723 return Ok;
724
725 pti = GdipAlloc(count * sizeof(POINT));
726 ptcopy = GdipAlloc(count * sizeof(GpPointF));
727
728 if(!pti || !ptcopy){
729 status = OutOfMemory;
730 goto end;
731 }
732
733 memcpy(ptcopy, pt, count * sizeof(GpPointF));
734
735 if(caps){
736 if(pen->endcap == LineCapArrowAnchor)
737 shorten_bezier_amt(&ptcopy[count-4], pen->width, FALSE);
738 else if((pen->endcap == LineCapCustom) && pen->customend)
739 shorten_bezier_amt(&ptcopy[count-4], pen->width * pen->customend->inset,
740 FALSE);
741
742 if(pen->startcap == LineCapArrowAnchor)
743 shorten_bezier_amt(ptcopy, pen->width, TRUE);
744 else if((pen->startcap == LineCapCustom) && pen->customstart)
745 shorten_bezier_amt(ptcopy, pen->width * pen->customstart->inset, TRUE);
746
747 /* the direction of the line cap is parallel to the direction at the
748 * end of the bezier (which, if it has been shortened, is not the same
749 * as the direction from pt[count-2] to pt[count-1]) */
750 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
751 pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
752 pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
753 pt[count - 1].X, pt[count - 1].Y);
754
755 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
756 pt[0].X - (ptcopy[0].X - ptcopy[1].X),
757 pt[0].Y - (ptcopy[0].Y - ptcopy[1].Y), pt[0].X, pt[0].Y);
758 }
759
760 transform_and_round_points(graphics, pti, ptcopy, count);
761
762 PolyBezier(graphics->hdc, pti, count);
763
764 status = Ok;
765
766 end:
767 GdipFree(pti);
768 GdipFree(ptcopy);
769
770 return status;
771 }
772
773 /* Draws a combination of bezier curves and lines between points. */
774 static GpStatus draw_poly(GpGraphics *graphics, GpPen *pen, GDIPCONST GpPointF * pt,
775 GDIPCONST BYTE * types, INT count, BOOL caps)
776 {
777 POINT *pti = GdipAlloc(count * sizeof(POINT));
778 BYTE *tp = GdipAlloc(count);
779 GpPointF *ptcopy = GdipAlloc(count * sizeof(GpPointF));
780 INT i, j;
781 GpStatus status = GenericError;
782
783 if(!count){
784 status = Ok;
785 goto end;
786 }
787 if(!pti || !tp || !ptcopy){
788 status = OutOfMemory;
789 goto end;
790 }
791
792 for(i = 1; i < count; i++){
793 if((types[i] & PathPointTypePathTypeMask) == PathPointTypeBezier){
794 if((i + 2 >= count) || !(types[i + 1] & PathPointTypeBezier)
795 || !(types[i + 1] & PathPointTypeBezier)){
796 ERR("Bad bezier points\n");
797 goto end;
798 }
799 i += 2;
800 }
801 }
802
803 memcpy(ptcopy, pt, count * sizeof(GpPointF));
804
805 /* If we are drawing caps, go through the points and adjust them accordingly,
806 * and draw the caps. */
807 if(caps){
808 switch(types[count - 1] & PathPointTypePathTypeMask){
809 case PathPointTypeBezier:
810 if(pen->endcap == LineCapArrowAnchor)
811 shorten_bezier_amt(&ptcopy[count - 4], pen->width, FALSE);
812 else if((pen->endcap == LineCapCustom) && pen->customend)
813 shorten_bezier_amt(&ptcopy[count - 4],
814 pen->width * pen->customend->inset, FALSE);
815
816 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
817 pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
818 pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
819 pt[count - 1].X, pt[count - 1].Y);
820
821 break;
822 case PathPointTypeLine:
823 if(pen->endcap == LineCapArrowAnchor)
824 shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
825 &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
826 pen->width);
827 else if((pen->endcap == LineCapCustom) && pen->customend)
828 shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
829 &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
830 pen->customend->inset * pen->width);
831
832 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
833 pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X,
834 pt[count - 1].Y);
835
836 break;
837 default:
838 ERR("Bad path last point\n");
839 goto end;
840 }
841
842 /* Find start of points */
843 for(j = 1; j < count && ((types[j] & PathPointTypePathTypeMask)
844 == PathPointTypeStart); j++);
845
846 switch(types[j] & PathPointTypePathTypeMask){
847 case PathPointTypeBezier:
848 if(pen->startcap == LineCapArrowAnchor)
849 shorten_bezier_amt(&ptcopy[j - 1], pen->width, TRUE);
850 else if((pen->startcap == LineCapCustom) && pen->customstart)
851 shorten_bezier_amt(&ptcopy[j - 1],
852 pen->width * pen->customstart->inset, TRUE);
853
854 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
855 pt[j - 1].X - (ptcopy[j - 1].X - ptcopy[j].X),
856 pt[j - 1].Y - (ptcopy[j - 1].Y - ptcopy[j].Y),
857 pt[j - 1].X, pt[j - 1].Y);
858
859 break;
860 case PathPointTypeLine:
861 if(pen->startcap == LineCapArrowAnchor)
862 shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
863 &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
864 pen->width);
865 else if((pen->startcap == LineCapCustom) && pen->customstart)
866 shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
867 &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
868 pen->customstart->inset * pen->width);
869
870 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
871 pt[j].X, pt[j].Y, pt[j - 1].X,
872 pt[j - 1].Y);
873
874 break;
875 default:
876 ERR("Bad path points\n");
877 goto end;
878 }
879 }
880
881 transform_and_round_points(graphics, pti, ptcopy, count);
882
883 for(i = 0; i < count; i++){
884 tp[i] = convert_path_point_type(types[i]);
885 }
886
887 PolyDraw(graphics->hdc, pti, tp, count);
888
889 status = Ok;
890
891 end:
892 GdipFree(pti);
893 GdipFree(ptcopy);
894 GdipFree(tp);
895
896 return status;
897 }
898
899 GpStatus trace_path(GpGraphics *graphics, GpPath *path)
900 {
901 GpStatus result;
902
903 BeginPath(graphics->hdc);
904 result = draw_poly(graphics, NULL, path->pathdata.Points,
905 path->pathdata.Types, path->pathdata.Count, FALSE);
906 EndPath(graphics->hdc);
907 return result;
908 }
909
910 GpStatus WINGDIPAPI GdipCreateFromHDC(HDC hdc, GpGraphics **graphics)
911 {
912 TRACE("(%p, %p)\n", hdc, graphics);
913
914 return GdipCreateFromHDC2(hdc, NULL, graphics);
915 }
916
917 GpStatus WINGDIPAPI GdipCreateFromHDC2(HDC hdc, HANDLE hDevice, GpGraphics **graphics)
918 {
919 GpStatus retval;
920
921 TRACE("(%p, %p, %p)\n", hdc, hDevice, graphics);
922
923 if(hDevice != NULL) {
924 FIXME("Don't know how to hadle parameter hDevice\n");
925 return NotImplemented;
926 }
927
928 if(hdc == NULL)
929 return OutOfMemory;
930
931 if(graphics == NULL)
932 return InvalidParameter;
933
934 *graphics = GdipAlloc(sizeof(GpGraphics));
935 if(!*graphics) return OutOfMemory;
936
937 if((retval = GdipCreateMatrix(&(*graphics)->worldtrans)) != Ok){
938 GdipFree(*graphics);
939 return retval;
940 }
941
942 if((retval = GdipCreateRegion(&(*graphics)->clip)) != Ok){
943 GdipFree((*graphics)->worldtrans);
944 GdipFree(*graphics);
945 return retval;
946 }
947
948 (*graphics)->hdc = hdc;
949 (*graphics)->hwnd = WindowFromDC(hdc);
950 (*graphics)->owndc = FALSE;
951 (*graphics)->smoothing = SmoothingModeDefault;
952 (*graphics)->compqual = CompositingQualityDefault;
953 (*graphics)->interpolation = InterpolationModeDefault;
954 (*graphics)->pixeloffset = PixelOffsetModeDefault;
955 (*graphics)->compmode = CompositingModeSourceOver;
956 (*graphics)->unit = UnitDisplay;
957 (*graphics)->scale = 1.0;
958 (*graphics)->busy = FALSE;
959 (*graphics)->textcontrast = 4;
960
961 return Ok;
962 }
963
964 GpStatus WINGDIPAPI GdipCreateFromHWND(HWND hwnd, GpGraphics **graphics)
965 {
966 GpStatus ret;
967 HDC hdc;
968
969 TRACE("(%p, %p)\n", hwnd, graphics);
970
971 hdc = GetDC(hwnd);
972
973 if((ret = GdipCreateFromHDC(hdc, graphics)) != Ok)
974 {
975 ReleaseDC(hwnd, hdc);
976 return ret;
977 }
978
979 (*graphics)->hwnd = hwnd;
980 (*graphics)->owndc = TRUE;
981
982 return Ok;
983 }
984
985 /* FIXME: no icm handling */
986 GpStatus WINGDIPAPI GdipCreateFromHWNDICM(HWND hwnd, GpGraphics **graphics)
987 {
988 TRACE("(%p, %p)\n", hwnd, graphics);
989
990 return GdipCreateFromHWND(hwnd, graphics);
991 }
992
993 GpStatus WINGDIPAPI GdipCreateMetafileFromEmf(HENHMETAFILE hemf, BOOL delete,
994 GpMetafile **metafile)
995 {
996 static int calls;
997
998 if(!hemf || !metafile)
999 return InvalidParameter;
1000
1001 if(!(calls++))
1002 FIXME("not implemented\n");
1003
1004 return NotImplemented;
1005 }
1006
1007 GpStatus WINGDIPAPI GdipCreateMetafileFromWmf(HMETAFILE hwmf, BOOL delete,
1008 GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
1009 {
1010 IStream *stream = NULL;
1011 UINT read;
1012 BYTE* copy;
1013 HENHMETAFILE hemf;
1014 GpStatus retval = GenericError;
1015
1016 TRACE("(%p, %d, %p, %p)\n", hwmf, delete, placeable, metafile);
1017
1018 if(!hwmf || !metafile || !placeable)
1019 return InvalidParameter;
1020
1021 *metafile = NULL;
1022 read = GetMetaFileBitsEx(hwmf, 0, NULL);
1023 if(!read)
1024 return GenericError;
1025 copy = GdipAlloc(read);
1026 GetMetaFileBitsEx(hwmf, read, copy);
1027
1028 hemf = SetWinMetaFileBits(read, copy, NULL, NULL);
1029 GdipFree(copy);
1030
1031 read = GetEnhMetaFileBits(hemf, 0, NULL);
1032 copy = GdipAlloc(read);
1033 GetEnhMetaFileBits(hemf, read, copy);
1034 DeleteEnhMetaFile(hemf);
1035
1036 if(CreateStreamOnHGlobal(copy, TRUE, &stream) != S_OK){
1037 ERR("could not make stream\n");
1038 GdipFree(copy);
1039 goto err;
1040 }
1041
1042 *metafile = GdipAlloc(sizeof(GpMetafile));
1043 if(!*metafile){
1044 retval = OutOfMemory;
1045 goto err;
1046 }
1047
1048 if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
1049 (LPVOID*) &((*metafile)->image.picture)) != S_OK)
1050 goto err;
1051
1052
1053 (*metafile)->image.type = ImageTypeMetafile;
1054 (*metafile)->bounds.X = ((REAL) placeable->BoundingBox.Left) / ((REAL) placeable->Inch);
1055 (*metafile)->bounds.Y = ((REAL) placeable->BoundingBox.Right) / ((REAL) placeable->Inch);
1056 (*metafile)->bounds.Width = ((REAL) (placeable->BoundingBox.Right
1057 - placeable->BoundingBox.Left)) / ((REAL) placeable->Inch);
1058 (*metafile)->bounds.Height = ((REAL) (placeable->BoundingBox.Bottom
1059 - placeable->BoundingBox.Top)) / ((REAL) placeable->Inch);
1060 (*metafile)->unit = UnitInch;
1061
1062 if(delete)
1063 DeleteMetaFile(hwmf);
1064
1065 return Ok;
1066
1067 err:
1068 GdipFree(*metafile);
1069 IStream_Release(stream);
1070 return retval;
1071 }
1072
1073 GpStatus WINGDIPAPI GdipCreateMetafileFromWmfFile(GDIPCONST WCHAR *file,
1074 GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
1075 {
1076 HMETAFILE hmf = GetMetaFileW(file);
1077
1078 TRACE("(%s, %p, %p)\n", debugstr_w(file), placeable, metafile);
1079
1080 if(!hmf) return InvalidParameter;
1081
1082 return GdipCreateMetafileFromWmf(hmf, TRUE, placeable, metafile);
1083 }
1084
1085 GpStatus WINGDIPAPI GdipCreateStreamOnFile(GDIPCONST WCHAR * filename,
1086 UINT access, IStream **stream)
1087 {
1088 DWORD dwMode;
1089 HRESULT ret;
1090
1091 TRACE("(%s, %u, %p)\n", debugstr_w(filename), access, stream);
1092
1093 if(!stream || !filename)
1094 return InvalidParameter;
1095
1096 if(access & GENERIC_WRITE)
1097 dwMode = STGM_SHARE_DENY_WRITE | STGM_WRITE | STGM_CREATE;
1098 else if(access & GENERIC_READ)
1099 dwMode = STGM_SHARE_DENY_WRITE | STGM_READ | STGM_FAILIFTHERE;
1100 else
1101 return InvalidParameter;
1102
1103 ret = SHCreateStreamOnFileW(filename, dwMode, stream);
1104
1105 return hresult_to_status(ret);
1106 }
1107
1108 GpStatus WINGDIPAPI GdipDeleteGraphics(GpGraphics *graphics)
1109 {
1110 TRACE("(%p)\n", graphics);
1111
1112 if(!graphics) return InvalidParameter;
1113 if(graphics->busy) return ObjectBusy;
1114
1115 if(graphics->owndc)
1116 ReleaseDC(graphics->hwnd, graphics->hdc);
1117
1118 GdipDeleteRegion(graphics->clip);
1119 GdipDeleteMatrix(graphics->worldtrans);
1120 GdipFree(graphics);
1121
1122 return Ok;
1123 }
1124
1125 GpStatus WINGDIPAPI GdipDrawArc(GpGraphics *graphics, GpPen *pen, REAL x,
1126 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
1127 {
1128 INT save_state, num_pts;
1129 GpPointF points[MAX_ARC_PTS];
1130 GpStatus retval;
1131
1132 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
1133 width, height, startAngle, sweepAngle);
1134
1135 if(!graphics || !pen || width <= 0 || height <= 0)
1136 return InvalidParameter;
1137
1138 if(graphics->busy)
1139 return ObjectBusy;
1140
1141 num_pts = arc2polybezier(points, x, y, width, height, startAngle, sweepAngle);
1142
1143 save_state = prepare_dc(graphics, pen);
1144
1145 retval = draw_polybezier(graphics, pen, points, num_pts, TRUE);
1146
1147 restore_dc(graphics, save_state);
1148
1149 return retval;
1150 }
1151
1152 GpStatus WINGDIPAPI GdipDrawArcI(GpGraphics *graphics, GpPen *pen, INT x,
1153 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
1154 {
1155 TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n", graphics, pen, x, y,
1156 width, height, startAngle, sweepAngle);
1157
1158 return GdipDrawArc(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
1159 }
1160
1161 GpStatus WINGDIPAPI GdipDrawBezier(GpGraphics *graphics, GpPen *pen, REAL x1,
1162 REAL y1, REAL x2, REAL y2, REAL x3, REAL y3, REAL x4, REAL y4)
1163 {
1164 INT save_state;
1165 GpPointF pt[4];
1166 GpStatus retval;
1167
1168 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1,
1169 x2, y2, x3, y3, x4, y4);
1170
1171 if(!graphics || !pen)
1172 return InvalidParameter;
1173
1174 if(graphics->busy)
1175 return ObjectBusy;
1176
1177 pt[0].X = x1;
1178 pt[0].Y = y1;
1179 pt[1].X = x2;
1180 pt[1].Y = y2;
1181 pt[2].X = x3;
1182 pt[2].Y = y3;
1183 pt[3].X = x4;
1184 pt[3].Y = y4;
1185
1186 save_state = prepare_dc(graphics, pen);
1187
1188 retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
1189
1190 restore_dc(graphics, save_state);
1191
1192 return retval;
1193 }
1194
1195 GpStatus WINGDIPAPI GdipDrawBezierI(GpGraphics *graphics, GpPen *pen, INT x1,
1196 INT y1, INT x2, INT y2, INT x3, INT y3, INT x4, INT y4)
1197 {
1198 INT save_state;
1199 GpPointF pt[4];
1200 GpStatus retval;
1201
1202 TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d)\n", graphics, pen, x1, y1,
1203 x2, y2, x3, y3, x4, y4);
1204
1205 if(!graphics || !pen)
1206 return InvalidParameter;
1207
1208 if(graphics->busy)
1209 return ObjectBusy;
1210
1211 pt[0].X = x1;
1212 pt[0].Y = y1;
1213 pt[1].X = x2;
1214 pt[1].Y = y2;
1215 pt[2].X = x3;
1216 pt[2].Y = y3;
1217 pt[3].X = x4;
1218 pt[3].Y = y4;
1219
1220 save_state = prepare_dc(graphics, pen);
1221
1222 retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
1223
1224 restore_dc(graphics, save_state);
1225
1226 return retval;
1227 }
1228
1229 GpStatus WINGDIPAPI GdipDrawBeziers(GpGraphics *graphics, GpPen *pen,
1230 GDIPCONST GpPointF *points, INT count)
1231 {
1232 INT i;
1233 GpStatus ret;
1234
1235 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1236
1237 if(!graphics || !pen || !points || (count <= 0))
1238 return InvalidParameter;
1239
1240 if(graphics->busy)
1241 return ObjectBusy;
1242
1243 for(i = 0; i < floor(count / 4); i++){
1244 ret = GdipDrawBezier(graphics, pen,
1245 points[4*i].X, points[4*i].Y,
1246 points[4*i + 1].X, points[4*i + 1].Y,
1247 points[4*i + 2].X, points[4*i + 2].Y,
1248 points[4*i + 3].X, points[4*i + 3].Y);
1249 if(ret != Ok)
1250 return ret;
1251 }
1252
1253 return Ok;
1254 }
1255
1256 GpStatus WINGDIPAPI GdipDrawBeziersI(GpGraphics *graphics, GpPen *pen,
1257 GDIPCONST GpPoint *points, INT count)
1258 {
1259 GpPointF *pts;
1260 GpStatus ret;
1261 INT i;
1262
1263 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1264
1265 if(!graphics || !pen || !points || (count <= 0))
1266 return InvalidParameter;
1267
1268 if(graphics->busy)
1269 return ObjectBusy;
1270
1271 pts = GdipAlloc(sizeof(GpPointF) * count);
1272 if(!pts)
1273 return OutOfMemory;
1274
1275 for(i = 0; i < count; i++){
1276 pts[i].X = (REAL)points[i].X;
1277 pts[i].Y = (REAL)points[i].Y;
1278 }
1279
1280 ret = GdipDrawBeziers(graphics,pen,pts,count);
1281
1282 GdipFree(pts);
1283
1284 return ret;
1285 }
1286
1287 GpStatus WINGDIPAPI GdipDrawClosedCurve(GpGraphics *graphics, GpPen *pen,
1288 GDIPCONST GpPointF *points, INT count)
1289 {
1290 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1291
1292 return GdipDrawClosedCurve2(graphics, pen, points, count, 1.0);
1293 }
1294
1295 GpStatus WINGDIPAPI GdipDrawClosedCurveI(GpGraphics *graphics, GpPen *pen,
1296 GDIPCONST GpPoint *points, INT count)
1297 {
1298 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1299
1300 return GdipDrawClosedCurve2I(graphics, pen, points, count, 1.0);
1301 }
1302
1303 GpStatus WINGDIPAPI GdipDrawClosedCurve2(GpGraphics *graphics, GpPen *pen,
1304 GDIPCONST GpPointF *points, INT count, REAL tension)
1305 {
1306 GpPath *path;
1307 GpStatus stat;
1308
1309 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
1310
1311 if(!graphics || !pen || !points || count <= 0)
1312 return InvalidParameter;
1313
1314 if(graphics->busy)
1315 return ObjectBusy;
1316
1317 if((stat = GdipCreatePath(FillModeAlternate, &path)) != Ok)
1318 return stat;
1319
1320 stat = GdipAddPathClosedCurve2(path, points, count, tension);
1321 if(stat != Ok){
1322 GdipDeletePath(path);
1323 return stat;
1324 }
1325
1326 stat = GdipDrawPath(graphics, pen, path);
1327
1328 GdipDeletePath(path);
1329
1330 return stat;
1331 }
1332
1333 GpStatus WINGDIPAPI GdipDrawClosedCurve2I(GpGraphics *graphics, GpPen *pen,
1334 GDIPCONST GpPoint *points, INT count, REAL tension)
1335 {
1336 GpPointF *ptf;
1337 GpStatus stat;
1338 INT i;
1339
1340 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
1341
1342 if(!points || count <= 0)
1343 return InvalidParameter;
1344
1345 ptf = GdipAlloc(sizeof(GpPointF)*count);
1346 if(!ptf)
1347 return OutOfMemory;
1348
1349 for(i = 0; i < count; i++){
1350 ptf[i].X = (REAL)points[i].X;
1351 ptf[i].Y = (REAL)points[i].Y;
1352 }
1353
1354 stat = GdipDrawClosedCurve2(graphics, pen, ptf, count, tension);
1355
1356 GdipFree(ptf);
1357
1358 return stat;
1359 }
1360
1361 GpStatus WINGDIPAPI GdipDrawCurve(GpGraphics *graphics, GpPen *pen,
1362 GDIPCONST GpPointF *points, INT count)
1363 {
1364 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1365
1366 return GdipDrawCurve2(graphics,pen,points,count,1.0);
1367 }
1368
1369 GpStatus WINGDIPAPI GdipDrawCurveI(GpGraphics *graphics, GpPen *pen,
1370 GDIPCONST GpPoint *points, INT count)
1371 {
1372 GpPointF *pointsF;
1373 GpStatus ret;
1374 INT i;
1375
1376 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1377
1378 if(!points || count <= 0)
1379 return InvalidParameter;
1380
1381 pointsF = GdipAlloc(sizeof(GpPointF)*count);
1382 if(!pointsF)
1383 return OutOfMemory;
1384
1385 for(i = 0; i < count; i++){
1386 pointsF[i].X = (REAL)points[i].X;
1387 pointsF[i].Y = (REAL)points[i].Y;
1388 }
1389
1390 ret = GdipDrawCurve(graphics,pen,pointsF,count);
1391 GdipFree(pointsF);
1392
1393 return ret;
1394 }
1395
1396 /* Approximates cardinal spline with Bezier curves. */
1397 GpStatus WINGDIPAPI GdipDrawCurve2(GpGraphics *graphics, GpPen *pen,
1398 GDIPCONST GpPointF *points, INT count, REAL tension)
1399 {
1400 /* PolyBezier expects count*3-2 points. */
1401 INT i, len_pt = count*3-2, save_state;
1402 GpPointF *pt;
1403 REAL x1, x2, y1, y2;
1404 GpStatus retval;
1405
1406 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
1407
1408 if(!graphics || !pen)
1409 return InvalidParameter;
1410
1411 if(graphics->busy)
1412 return ObjectBusy;
1413
1414 pt = GdipAlloc(len_pt * sizeof(GpPointF));
1415 tension = tension * TENSION_CONST;
1416
1417 calc_curve_bezier_endp(points[0].X, points[0].Y, points[1].X, points[1].Y,
1418 tension, &x1, &y1);
1419
1420 pt[0].X = points[0].X;
1421 pt[0].Y = points[0].Y;
1422 pt[1].X = x1;
1423 pt[1].Y = y1;
1424
1425 for(i = 0; i < count-2; i++){
1426 calc_curve_bezier(&(points[i]), tension, &x1, &y1, &x2, &y2);
1427
1428 pt[3*i+2].X = x1;
1429 pt[3*i+2].Y = y1;
1430 pt[3*i+3].X = points[i+1].X;
1431 pt[3*i+3].Y = points[i+1].Y;
1432 pt[3*i+4].X = x2;
1433 pt[3*i+4].Y = y2;
1434 }
1435
1436 calc_curve_bezier_endp(points[count-1].X, points[count-1].Y,
1437 points[count-2].X, points[count-2].Y, tension, &x1, &y1);
1438
1439 pt[len_pt-2].X = x1;
1440 pt[len_pt-2].Y = y1;
1441 pt[len_pt-1].X = points[count-1].X;
1442 pt[len_pt-1].Y = points[count-1].Y;
1443
1444 save_state = prepare_dc(graphics, pen);
1445
1446 retval = draw_polybezier(graphics, pen, pt, len_pt, TRUE);
1447
1448 GdipFree(pt);
1449 restore_dc(graphics, save_state);
1450
1451 return retval;
1452 }
1453
1454 GpStatus WINGDIPAPI GdipDrawCurve2I(GpGraphics *graphics, GpPen *pen,
1455 GDIPCONST GpPoint *points, INT count, REAL tension)
1456 {
1457 GpPointF *pointsF;
1458 GpStatus ret;
1459 INT i;
1460
1461 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
1462
1463 if(!points || count <= 0)
1464 return InvalidParameter;
1465
1466 pointsF = GdipAlloc(sizeof(GpPointF)*count);
1467 if(!pointsF)
1468 return OutOfMemory;
1469
1470 for(i = 0; i < count; i++){
1471 pointsF[i].X = (REAL)points[i].X;
1472 pointsF[i].Y = (REAL)points[i].Y;
1473 }
1474
1475 ret = GdipDrawCurve2(graphics,pen,pointsF,count,tension);
1476 GdipFree(pointsF);
1477
1478 return ret;
1479 }
1480
1481 GpStatus WINGDIPAPI GdipDrawEllipse(GpGraphics *graphics, GpPen *pen, REAL x,
1482 REAL y, REAL width, REAL height)
1483 {
1484 INT save_state;
1485 GpPointF ptf[2];
1486 POINT pti[2];
1487
1488 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
1489
1490 if(!graphics || !pen)
1491 return InvalidParameter;
1492
1493 if(graphics->busy)
1494 return ObjectBusy;
1495
1496 ptf[0].X = x;
1497 ptf[0].Y = y;
1498 ptf[1].X = x + width;
1499 ptf[1].Y = y + height;
1500
1501 save_state = prepare_dc(graphics, pen);
1502 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
1503
1504 transform_and_round_points(graphics, pti, ptf, 2);
1505
1506 Ellipse(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y);
1507
1508 restore_dc(graphics, save_state);
1509
1510 return Ok;
1511 }
1512
1513 GpStatus WINGDIPAPI GdipDrawEllipseI(GpGraphics *graphics, GpPen *pen, INT x,
1514 INT y, INT width, INT height)
1515 {
1516 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
1517
1518 return GdipDrawEllipse(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
1519 }
1520
1521
1522 GpStatus WINGDIPAPI GdipDrawImage(GpGraphics *graphics, GpImage *image, REAL x, REAL y)
1523 {
1524 TRACE("(%p, %p, %.2f, %.2f)\n", graphics, image, x, y);
1525
1526 /* IPicture::Render uses LONG coords */
1527 return GdipDrawImageI(graphics,image,roundr(x),roundr(y));
1528 }
1529
1530 GpStatus WINGDIPAPI GdipDrawImageI(GpGraphics *graphics, GpImage *image, INT x,
1531 INT y)
1532 {
1533 UINT width, height, srcw, srch;
1534
1535 TRACE("(%p, %p, %d, %d)\n", graphics, image, x, y);
1536
1537 if(!graphics || !image)
1538 return InvalidParameter;
1539
1540 GdipGetImageWidth(image, &width);
1541 GdipGetImageHeight(image, &height);
1542
1543 srcw = width * (((REAL) INCH_HIMETRIC) /
1544 ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSX)));
1545 srch = height * (((REAL) INCH_HIMETRIC) /
1546 ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSY)));
1547
1548 if(image->type != ImageTypeMetafile){
1549 y += height;
1550 height *= -1;
1551 }
1552
1553 IPicture_Render(image->picture, graphics->hdc, x, y, width, height,
1554 0, 0, srcw, srch, NULL);
1555
1556 return Ok;
1557 }
1558
1559 /* FIXME: partially implemented (only works for rectangular parallelograms) */
1560 GpStatus WINGDIPAPI GdipDrawImagePointsRect(GpGraphics *graphics, GpImage *image,
1561 GDIPCONST GpPointF *points, INT count, REAL srcx, REAL srcy, REAL srcwidth,
1562 REAL srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
1563 DrawImageAbort callback, VOID * callbackData)
1564 {
1565 GpPointF ptf[3];
1566 POINT pti[3];
1567 REAL dx, dy;
1568
1569 TRACE("(%p, %p, %p, %d, %f, %f, %f, %f, %d, %p, %p, %p)\n", graphics, image, points,
1570 count, srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
1571 callbackData);
1572
1573 if(!graphics || !image || !points || count != 3)
1574 return InvalidParameter;
1575
1576 if(srcUnit == UnitInch)
1577 dx = dy = (REAL) INCH_HIMETRIC;
1578 else if(srcUnit == UnitPixel){
1579 dx = ((REAL) INCH_HIMETRIC) /
1580 ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSX));
1581 dy = ((REAL) INCH_HIMETRIC) /
1582 ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSY));
1583 }
1584 else
1585 return NotImplemented;
1586
1587 memcpy(ptf, points, 3 * sizeof(GpPointF));
1588 transform_and_round_points(graphics, pti, ptf, 3);
1589
1590 /* IPicture renders bitmaps with the y-axis reversed
1591 * FIXME: flipping for unknown image type might not be correct. */
1592 if(image->type != ImageTypeMetafile){
1593 INT temp;
1594 temp = pti[0].y;
1595 pti[0].y = pti[2].y;
1596 pti[2].y = temp;
1597 }
1598
1599 if(IPicture_Render(image->picture, graphics->hdc,
1600 pti[0].x, pti[0].y, pti[1].x - pti[0].x, pti[2].y - pti[0].y,
1601 srcx * dx, srcy * dy,
1602 srcwidth * dx, srcheight * dy,
1603 NULL) != S_OK){
1604 if(callback)
1605 callback(callbackData);
1606 return GenericError;
1607 }
1608
1609 return Ok;
1610 }
1611
1612 GpStatus WINGDIPAPI GdipDrawImagePointsRectI(GpGraphics *graphics, GpImage *image,
1613 GDIPCONST GpPoint *points, INT count, INT srcx, INT srcy, INT srcwidth,
1614 INT srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
1615 DrawImageAbort callback, VOID * callbackData)
1616 {
1617 GpPointF pointsF[3];
1618 INT i;
1619
1620 TRACE("(%p, %p, %p, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n", graphics, image, points, count,
1621 srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
1622 callbackData);
1623
1624 if(!points || count!=3)
1625 return InvalidParameter;
1626
1627 for(i = 0; i < count; i++){
1628 pointsF[i].X = (REAL)points[i].X;
1629 pointsF[i].Y = (REAL)points[i].Y;
1630 }
1631
1632 return GdipDrawImagePointsRect(graphics, image, pointsF, count, (REAL)srcx, (REAL)srcy,
1633 (REAL)srcwidth, (REAL)srcheight, srcUnit, imageAttributes,
1634 callback, callbackData);
1635 }
1636
1637 GpStatus WINGDIPAPI GdipDrawImageRectRect(GpGraphics *graphics, GpImage *image,
1638 REAL dstx, REAL dsty, REAL dstwidth, REAL dstheight, REAL srcx, REAL srcy,
1639 REAL srcwidth, REAL srcheight, GpUnit srcUnit,
1640 GDIPCONST GpImageAttributes* imageattr, DrawImageAbort callback,
1641 VOID * callbackData)
1642 {
1643 GpPointF points[3];
1644
1645 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %d, %p, %p, %p)\n",
1646 graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
1647 srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
1648
1649 points[0].X = dstx;
1650 points[0].Y = dsty;
1651 points[1].X = dstx + dstwidth;
1652 points[1].Y = dsty;
1653 points[2].X = dstx;
1654 points[2].Y = dsty + dstheight;
1655
1656 return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
1657 srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
1658 }
1659
1660 GpStatus WINGDIPAPI GdipDrawImageRectRectI(GpGraphics *graphics, GpImage *image,
1661 INT dstx, INT dsty, INT dstwidth, INT dstheight, INT srcx, INT srcy,
1662 INT srcwidth, INT srcheight, GpUnit srcUnit,
1663 GDIPCONST GpImageAttributes* imageAttributes, DrawImageAbort callback,
1664 VOID * callbackData)
1665 {
1666 GpPointF points[3];
1667
1668 TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n",
1669 graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
1670 srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
1671
1672 points[0].X = dstx;
1673 points[0].Y = dsty;
1674 points[1].X = dstx + dstwidth;
1675 points[1].Y = dsty;
1676 points[2].X = dstx;
1677 points[2].Y = dsty + dstheight;
1678
1679 return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
1680 srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
1681 }
1682
1683 GpStatus WINGDIPAPI GdipDrawImageRect(GpGraphics *graphics, GpImage *image,
1684 REAL x, REAL y, REAL width, REAL height)
1685 {
1686 RectF bounds;
1687 GpUnit unit;
1688 GpStatus ret;
1689
1690 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, image, x, y, width, height);
1691
1692 if(!graphics || !image)
1693 return InvalidParameter;
1694
1695 ret = GdipGetImageBounds(image, &bounds, &unit);
1696 if(ret != Ok)
1697 return ret;
1698
1699 return GdipDrawImageRectRect(graphics, image, x, y, width, height,
1700 bounds.X, bounds.Y, bounds.Width, bounds.Height,
1701 unit, NULL, NULL, NULL);
1702 }
1703
1704 GpStatus WINGDIPAPI GdipDrawImageRectI(GpGraphics *graphics, GpImage *image,
1705 INT x, INT y, INT width, INT height)
1706 {
1707 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, image, x, y, width, height);
1708
1709 return GdipDrawImageRect(graphics, image, (REAL)x, (REAL)y, (REAL)width, (REAL)height);
1710 }
1711
1712 GpStatus WINGDIPAPI GdipDrawLine(GpGraphics *graphics, GpPen *pen, REAL x1,
1713 REAL y1, REAL x2, REAL y2)
1714 {
1715 INT save_state;
1716 GpPointF pt[2];
1717 GpStatus retval;
1718
1719 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1, x2, y2);
1720
1721 if(!pen || !graphics)
1722 return InvalidParameter;
1723
1724 if(graphics->busy)
1725 return ObjectBusy;
1726
1727 pt[0].X = x1;
1728 pt[0].Y = y1;
1729 pt[1].X = x2;
1730 pt[1].Y = y2;
1731
1732 save_state = prepare_dc(graphics, pen);
1733
1734 retval = draw_polyline(graphics, pen, pt, 2, TRUE);
1735
1736 restore_dc(graphics, save_state);
1737
1738 return retval;
1739 }
1740
1741 GpStatus WINGDIPAPI GdipDrawLineI(GpGraphics *graphics, GpPen *pen, INT x1,
1742 INT y1, INT x2, INT y2)
1743 {
1744 INT save_state;
1745 GpPointF pt[2];
1746 GpStatus retval;
1747
1748 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x1, y1, x2, y2);
1749
1750 if(!pen || !graphics)
1751 return InvalidParameter;
1752
1753 if(graphics->busy)
1754 return ObjectBusy;
1755
1756 pt[0].X = (REAL)x1;
1757 pt[0].Y = (REAL)y1;
1758 pt[1].X = (REAL)x2;
1759 pt[1].Y = (REAL)y2;
1760
1761 save_state = prepare_dc(graphics, pen);
1762
1763 retval = draw_polyline(graphics, pen, pt, 2, TRUE);
1764
1765 restore_dc(graphics, save_state);
1766
1767 return retval;
1768 }
1769
1770 GpStatus WINGDIPAPI GdipDrawLines(GpGraphics *graphics, GpPen *pen, GDIPCONST
1771 GpPointF *points, INT count)
1772 {
1773 INT save_state;
1774 GpStatus retval;
1775
1776 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1777
1778 if(!pen || !graphics || (count < 2))
1779 return InvalidParameter;
1780
1781 if(graphics->busy)
1782 return ObjectBusy;
1783
1784 save_state = prepare_dc(graphics, pen);
1785
1786 retval = draw_polyline(graphics, pen, points, count, TRUE);
1787
1788 restore_dc(graphics, save_state);
1789
1790 return retval;
1791 }
1792
1793 GpStatus WINGDIPAPI GdipDrawLinesI(GpGraphics *graphics, GpPen *pen, GDIPCONST
1794 GpPoint *points, INT count)
1795 {
1796 INT save_state;
1797 GpStatus retval;
1798 GpPointF *ptf = NULL;
1799 int i;
1800
1801 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
1802
1803 if(!pen || !graphics || (count < 2))
1804 return InvalidParameter;
1805
1806 if(graphics->busy)
1807 return ObjectBusy;
1808
1809 ptf = GdipAlloc(count * sizeof(GpPointF));
1810 if(!ptf) return OutOfMemory;
1811
1812 for(i = 0; i < count; i ++){
1813 ptf[i].X = (REAL) points[i].X;
1814 ptf[i].Y = (REAL) points[i].Y;
1815 }
1816
1817 save_state = prepare_dc(graphics, pen);
1818
1819 retval = draw_polyline(graphics, pen, ptf, count, TRUE);
1820
1821 restore_dc(graphics, save_state);
1822
1823 GdipFree(ptf);
1824 return retval;
1825 }
1826
1827 GpStatus WINGDIPAPI GdipDrawPath(GpGraphics *graphics, GpPen *pen, GpPath *path)
1828 {
1829 INT save_state;
1830 GpStatus retval;
1831
1832 TRACE("(%p, %p, %p)\n", graphics, pen, path);
1833
1834 if(!pen || !graphics)
1835 return InvalidParameter;
1836
1837 if(graphics->busy)
1838 return ObjectBusy;
1839
1840 save_state = prepare_dc(graphics, pen);
1841
1842 retval = draw_poly(graphics, pen, path->pathdata.Points,
1843 path->pathdata.Types, path->pathdata.Count, TRUE);
1844
1845 restore_dc(graphics, save_state);
1846
1847 return retval;
1848 }
1849
1850 GpStatus WINGDIPAPI GdipDrawPie(GpGraphics *graphics, GpPen *pen, REAL x,
1851 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
1852 {
1853 INT save_state;
1854
1855 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
1856 width, height, startAngle, sweepAngle);
1857
1858 if(!graphics || !pen)
1859 return InvalidParameter;
1860
1861 if(graphics->busy)
1862 return ObjectBusy;
1863
1864 save_state = prepare_dc(graphics, pen);
1865 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
1866
1867 draw_pie(graphics, x, y, width, height, startAngle, sweepAngle);
1868
1869 restore_dc(graphics, save_state);
1870
1871 return Ok;
1872 }
1873
1874 GpStatus WINGDIPAPI GdipDrawPieI(GpGraphics *graphics, GpPen *pen, INT x,
1875 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
1876 {
1877 TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n", graphics, pen, x, y,
1878 width, height, startAngle, sweepAngle);
1879
1880 return GdipDrawPie(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
1881 }
1882
1883 GpStatus WINGDIPAPI GdipDrawRectangle(GpGraphics *graphics, GpPen *pen, REAL x,
1884 REAL y, REAL width, REAL height)
1885 {
1886 INT save_state;
1887 GpPointF ptf[4];
1888 POINT pti[4];
1889
1890 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
1891
1892 if(!pen || !graphics)
1893 return InvalidParameter;
1894
1895 if(graphics->busy)
1896 return ObjectBusy;
1897
1898 ptf[0].X = x;
1899 ptf[0].Y = y;
1900 ptf[1].X = x + width;
1901 ptf[1].Y = y;
1902 ptf[2].X = x + width;
1903 ptf[2].Y = y + height;
1904 ptf[3].X = x;
1905 ptf[3].Y = y + height;
1906
1907 save_state = prepare_dc(graphics, pen);
1908 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
1909
1910 transform_and_round_points(graphics, pti, ptf, 4);
1911 Polygon(graphics->hdc, pti, 4);
1912
1913 restore_dc(graphics, save_state);
1914
1915 return Ok;
1916 }
1917
1918 GpStatus WINGDIPAPI GdipDrawRectangleI(GpGraphics *graphics, GpPen *pen, INT x,
1919 INT y, INT width, INT height)
1920 {
1921 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
1922
1923 return GdipDrawRectangle(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
1924 }
1925
1926 GpStatus WINGDIPAPI GdipDrawRectangles(GpGraphics *graphics, GpPen *pen,
1927 GDIPCONST GpRectF* rects, INT count)
1928 {
1929 GpPointF *ptf;
1930 POINT *pti;
1931 INT save_state, i;
1932
1933 TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
1934
1935 if(!graphics || !pen || !rects || count < 1)
1936 return InvalidParameter;
1937
1938 if(graphics->busy)
1939 return ObjectBusy;
1940
1941 ptf = GdipAlloc(4 * count * sizeof(GpPointF));
1942 pti = GdipAlloc(4 * count * sizeof(POINT));
1943
1944 if(!ptf || !pti){
1945 GdipFree(ptf);
1946 GdipFree(pti);
1947 return OutOfMemory;
1948 }
1949
1950 for(i = 0; i < count; i++){
1951 ptf[4 * i + 3].X = ptf[4 * i].X = rects[i].X;
1952 ptf[4 * i + 1].Y = ptf[4 * i].Y = rects[i].Y;
1953 ptf[4 * i + 2].X = ptf[4 * i + 1].X = rects[i].X + rects[i].Width;
1954 ptf[4 * i + 3].Y = ptf[4 * i + 2].Y = rects[i].Y + rects[i].Height;
1955 }
1956
1957 save_state = prepare_dc(graphics, pen);
1958 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
1959
1960 transform_and_round_points(graphics, pti, ptf, 4 * count);
1961
1962 for(i = 0; i < count; i++)
1963 Polygon(graphics->hdc, &pti[4 * i], 4);
1964
1965 restore_dc(graphics, save_state);
1966
1967 GdipFree(ptf);
1968 GdipFree(pti);
1969
1970 return Ok;
1971 }
1972
1973 GpStatus WINGDIPAPI GdipDrawRectanglesI(GpGraphics *graphics, GpPen *pen,
1974 GDIPCONST GpRect* rects, INT count)
1975 {
1976 GpRectF *rectsF;
1977 GpStatus ret;
1978 INT i;
1979
1980 TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
1981
1982 if(!rects || count<=0)
1983 return InvalidParameter;
1984
1985 rectsF = GdipAlloc(sizeof(GpRectF) * count);
1986 if(!rectsF)
1987 return OutOfMemory;
1988
1989 for(i = 0;i < count;i++){
1990 rectsF[i].X = (REAL)rects[i].X;
1991 rectsF[i].Y = (REAL)rects[i].Y;
1992 rectsF[i].Width = (REAL)rects[i].Width;
1993 rectsF[i].Height = (REAL)rects[i].Height;
1994 }
1995
1996 ret = GdipDrawRectangles(graphics, pen, rectsF, count);
1997 GdipFree(rectsF);
1998
1999 return ret;
2000 }
2001
2002 GpStatus WINGDIPAPI GdipDrawString(GpGraphics *graphics, GDIPCONST WCHAR *string,
2003 INT length, GDIPCONST GpFont *font, GDIPCONST RectF *rect,
2004 GDIPCONST GpStringFormat *format, GDIPCONST GpBrush *brush)
2005 {
2006 HRGN rgn = NULL;
2007 HFONT gdifont;
2008 LOGFONTW lfw;
2009 TEXTMETRICW textmet;
2010 GpPointF pt[2], rectcpy[4];
2011 POINT corners[4];
2012 WCHAR* stringdup;
2013 REAL angle, ang_cos, ang_sin, rel_width, rel_height;
2014 INT sum = 0, height = 0, fit, fitcpy, save_state, i, j, lret, nwidth,
2015 nheight;
2016 SIZE size;
2017 RECT drawcoord;
2018
2019 if(!graphics || !string || !font || !brush || !rect)
2020 return InvalidParameter;
2021
2022 if((brush->bt != BrushTypeSolidColor)){
2023 FIXME("not implemented for given parameters\n");
2024 return NotImplemented;
2025 }
2026
2027 if(format)
2028 TRACE("may be ignoring some format flags: attr %x\n", format->attr);
2029
2030 if(length == -1) length = lstrlenW(string);
2031
2032 stringdup = GdipAlloc(length * sizeof(WCHAR));
2033 if(!stringdup) return OutOfMemory;
2034
2035 save_state = SaveDC(graphics->hdc);
2036 SetBkMode(graphics->hdc, TRANSPARENT);
2037 SetTextColor(graphics->hdc, brush->lb.lbColor);
2038
2039 rectcpy[3].X = rectcpy[0].X = rect->X;
2040 rectcpy[1].Y = rectcpy[0].Y = rect->Y;
2041 rectcpy[2].X = rectcpy[1].X = rect->X + rect->Width;
2042 rectcpy[3].Y = rectcpy[2].Y = rect->Y + rect->Height;
2043 transform_and_round_points(graphics, corners, rectcpy, 4);
2044
2045 if (roundr(rect->Width) == 0)
2046 {
2047 rel_width = 1.0;
2048 nwidth = INT_MAX;
2049 }
2050 else
2051 {
2052 rel_width = sqrt((corners[1].x - corners[0].x) * (corners[1].x - corners[0].x) +
2053 (corners[1].y - corners[0].y) * (corners[1].y - corners[0].y))
2054 / rect->Width;
2055 nwidth = roundr(rel_width * rect->Width);
2056 }
2057
2058 if (roundr(rect->Height) == 0)
2059 {
2060 rel_height = 1.0;
2061 nheight = INT_MAX;
2062 }
2063 else
2064 {
2065 rel_height = sqrt((corners[2].x - corners[1].x) * (corners[2].x - corners[1].x) +
2066 (corners[2].y - corners[1].y) * (corners[2].y - corners[1].y))
2067 / rect->Height;
2068 nheight = roundr(rel_height * rect->Height);
2069 }
2070
2071 if (roundr(rect->Width) != 0 && roundr(rect->Height) != 0)
2072 {
2073 /* FIXME: If only the width or only the height is 0, we should probably still clip */
2074 rgn = CreatePolygonRgn(corners, 4, ALTERNATE);
2075 SelectClipRgn(graphics->hdc, rgn);
2076 }
2077
2078 /* Use gdi to find the font, then perform transformations on it (height,
2079 * width, angle). */
2080 SelectObject(graphics->hdc, CreateFontIndirectW(&font->lfw));
2081 GetTextMetricsW(graphics->hdc, &textmet);
2082 lfw = font->lfw;
2083
2084 lfw.lfHeight = roundr(((REAL)lfw.lfHeight) * rel_height);
2085 lfw.lfWidth = roundr(textmet.tmAveCharWidth * rel_width);
2086
2087 pt[0].X = 0.0;
2088 pt[0].Y = 0.0;
2089 pt[1].X = 1.0;
2090 pt[1].Y = 0.0;
2091 GdipTransformMatrixPoints(graphics->worldtrans, pt, 2);
2092 angle = gdiplus_atan2((pt[1].Y - pt[0].Y), (pt[1].X - pt[0].X));
2093 ang_cos = cos(angle);
2094 ang_sin = sin(angle);
2095 lfw.lfEscapement = lfw.lfOrientation = -roundr((angle / M_PI) * 1800.0);
2096
2097 gdifont = CreateFontIndirectW(&lfw);
2098 DeleteObject(SelectObject(graphics->hdc, CreateFontIndirectW(&lfw)));
2099
2100 for(i = 0, j = 0; i < length; i++){
2101 if(!isprintW(string[i]) && (string[i] != '\n'))
2102 continue;
2103
2104 stringdup[j] = string[i];
2105 j++;
2106 }
2107
2108 length = j;
2109
2110 while(sum < length){
2111 drawcoord.left = corners[0].x + roundr(ang_sin * (REAL) height);
2112 drawcoord.top = corners[0].y + roundr(ang_cos * (REAL) height);
2113
2114 GetTextExtentExPointW(graphics->hdc, stringdup + sum, length - sum,
2115 nwidth, &fit, NULL, &size);
2116 fitcpy = fit;
2117
2118 if(fit == 0){
2119 DrawTextW(graphics->hdc, stringdup + sum, 1, &drawcoord, DT_NOCLIP |
2120 DT_EXPANDTABS);
2121 break;
2122 }
2123
2124 for(lret = 0; lret < fit; lret++)
2125 if(*(stringdup + sum + lret) == '\n')
2126 break;
2127
2128 /* Line break code (may look strange, but it imitates windows). */
2129 if(lret < fit)
2130 fit = lret; /* this is not an off-by-one error */
2131 else if(fit < (length - sum)){
2132 if(*(stringdup + sum + fit) == ' ')
2133 while(*(stringdup + sum + fit) == ' ')
2134 fit++;
2135 else
2136 while(*(stringdup + sum + fit - 1) != ' '){
2137 fit--;
2138
2139 if(*(stringdup + sum + fit) == '\t')
2140 break;
2141
2142 if(fit == 0){
2143 fit = fitcpy;
2144 break;
2145 }
2146 }
2147 }
2148 DrawTextW(graphics->hdc, stringdup + sum, min(length - sum, fit),
2149 &drawcoord, DT_NOCLIP | DT_EXPANDTABS);
2150
2151 sum += fit + (lret < fitcpy ? 1 : 0);
2152 height += size.cy;
2153
2154 if(height > nheight)
2155 break;
2156
2157 /* Stop if this was a linewrap (but not if it was a linebreak). */
2158 if((lret == fitcpy) && format && (format->attr & StringFormatFlagsNoWrap))
2159 break;
2160 }
2161
2162 GdipFree(stringdup);
2163 DeleteObject(rgn);
2164 DeleteObject(gdifont);
2165
2166 RestoreDC(graphics->hdc, save_state);
2167
2168 return Ok;
2169 }
2170
2171 GpStatus WINGDIPAPI GdipFillClosedCurve2(GpGraphics *graphics, GpBrush *brush,
2172 GDIPCONST GpPointF *points, INT count, REAL tension, GpFillMode fill)
2173 {
2174 GpPath *path;
2175 GpStatus stat;
2176
2177 TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
2178 count, tension, fill);
2179
2180 if(!graphics || !brush || !points)
2181 return InvalidParameter;
2182
2183 if(graphics->busy)
2184 return ObjectBusy;
2185
2186 stat = GdipCreatePath(fill, &path);
2187 if(stat != Ok)
2188 return stat;
2189
2190 stat = GdipAddPathClosedCurve2(path, points, count, tension);
2191 if(stat != Ok){
2192 GdipDeletePath(path);
2193 return stat;
2194 }
2195
2196 stat = GdipFillPath(graphics, brush, path);
2197 if(stat != Ok){
2198 GdipDeletePath(path);
2199 return stat;
2200 }
2201
2202 GdipDeletePath(path);
2203
2204 return Ok;
2205 }
2206
2207 GpStatus WINGDIPAPI GdipFillClosedCurve2I(GpGraphics *graphics, GpBrush *brush,
2208 GDIPCONST GpPoint *points, INT count, REAL tension, GpFillMode fill)
2209 {
2210 GpPointF *ptf;
2211 GpStatus stat;
2212 INT i;
2213
2214 TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
2215 count, tension, fill);
2216
2217 if(!points || count <= 0)
2218 return InvalidParameter;
2219
2220 ptf = GdipAlloc(sizeof(GpPointF)*count);
2221 if(!ptf)
2222 return OutOfMemory;
2223
2224 for(i = 0;i < count;i++){
2225 ptf[i].X = (REAL)points[i].X;
2226 ptf[i].Y = (REAL)points[i].Y;
2227 }
2228
2229 stat = GdipFillClosedCurve2(graphics, brush, ptf, count, tension, fill);
2230
2231 GdipFree(ptf);
2232
2233 return stat;
2234 }
2235
2236 GpStatus WINGDIPAPI GdipFillEllipse(GpGraphics *graphics, GpBrush *brush, REAL x,
2237 REAL y, REAL width, REAL height)
2238 {
2239 INT save_state;
2240 GpPointF ptf[2];
2241 POINT pti[2];
2242
2243 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
2244
2245 if(!graphics || !brush)
2246 return InvalidParameter;
2247
2248 if(graphics->busy)
2249 return ObjectBusy;
2250
2251 ptf[0].X = x;
2252 ptf[0].Y = y;
2253 ptf[1].X = x + width;
2254 ptf[1].Y = y + height;
2255
2256 save_state = SaveDC(graphics->hdc);
2257 EndPath(graphics->hdc);
2258 SelectObject(graphics->hdc, brush->gdibrush);
2259 SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
2260
2261 transform_and_round_points(graphics, pti, ptf, 2);
2262
2263 Ellipse(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y);
2264
2265 RestoreDC(graphics->hdc, save_state);
2266
2267 return Ok;
2268 }
2269
2270 GpStatus WINGDIPAPI GdipFillEllipseI(GpGraphics *graphics, GpBrush *brush, INT x,
2271 INT y, INT width, INT height)
2272 {
2273 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
2274
2275 return GdipFillEllipse(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
2276 }
2277
2278 GpStatus WINGDIPAPI GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
2279 {
2280 INT save_state;
2281 GpStatus retval;
2282
2283 TRACE("(%p, %p, %p)\n", graphics, brush, path);
2284
2285 if(!brush || !graphics || !path)
2286 return InvalidParameter;
2287
2288 if(graphics->busy)
2289 return ObjectBusy;
2290
2291 save_state = SaveDC(graphics->hdc);
2292 EndPath(graphics->hdc);
2293 SetPolyFillMode(graphics->hdc, (path->fill == FillModeAlternate ? ALTERNATE
2294 : WINDING));
2295
2296 BeginPath(graphics->hdc);
2297 retval = draw_poly(graphics, NULL, path->pathdata.Points,
2298 path->pathdata.Types, path->pathdata.Count, FALSE);
2299
2300 if(retval != Ok)
2301 goto end;
2302
2303 EndPath(graphics->hdc);
2304 brush_fill_path(graphics, brush);
2305
2306 retval = Ok;
2307
2308 end:
2309 RestoreDC(graphics->hdc, save_state);
2310
2311 return retval;
2312 }
2313
2314 GpStatus WINGDIPAPI GdipFillPie(GpGraphics *graphics, GpBrush *brush, REAL x,
2315 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
2316 {
2317 INT save_state;
2318
2319 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n",
2320 graphics, brush, x, y, width, height, startAngle, sweepAngle);
2321
2322 if(!graphics || !brush)
2323 return InvalidParameter;
2324
2325 if(graphics->busy)
2326 return ObjectBusy;
2327
2328 save_state = SaveDC(graphics->hdc);
2329 EndPath(graphics->hdc);
2330 SelectObject(graphics->hdc, brush->gdibrush);
2331 SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
2332
2333 draw_pie(graphics, x, y, width, height, startAngle, sweepAngle);
2334
2335 RestoreDC(graphics->hdc, save_state);
2336
2337 return Ok;
2338 }
2339
2340 GpStatus WINGDIPAPI GdipFillPieI(GpGraphics *graphics, GpBrush *brush, INT x,
2341 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
2342 {
2343 TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n",
2344 graphics, brush, x, y, width, height, startAngle, sweepAngle);
2345
2346 return GdipFillPie(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
2347 }
2348
2349 GpStatus WINGDIPAPI GdipFillPolygon(GpGraphics *graphics, GpBrush *brush,
2350 GDIPCONST GpPointF *points, INT count, GpFillMode fillMode)
2351 {
2352 INT save_state;
2353 GpPointF *ptf = NULL;
2354 POINT *pti = NULL;
2355 GpStatus retval = Ok;
2356
2357 TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
2358
2359 if(!graphics || !brush || !points || !count)
2360 return InvalidParameter;
2361
2362 if(graphics->busy)
2363 return ObjectBusy;
2364
2365 ptf = GdipAlloc(count * sizeof(GpPointF));
2366 pti = GdipAlloc(count * sizeof(POINT));
2367 if(!ptf || !pti){
2368 retval = OutOfMemory;
2369 goto end;
2370 }
2371
2372 memcpy(ptf, points, count * sizeof(GpPointF));
2373
2374 save_state = SaveDC(graphics->hdc);
2375 EndPath(graphics->hdc);
2376 SelectObject(graphics->hdc, brush->gdibrush);
2377 SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
2378 SetPolyFillMode(graphics->hdc, (fillMode == FillModeAlternate ? ALTERNATE
2379 : WINDING));
2380
2381 transform_and_round_points(graphics, pti, ptf, count);
2382 Polygon(graphics->hdc, pti, count);
2383
2384 RestoreDC(graphics->hdc, save_state);
2385
2386 end:
2387 GdipFree(ptf);
2388 GdipFree(pti);
2389
2390 return retval;
2391 }
2392
2393 GpStatus WINGDIPAPI GdipFillPolygonI(GpGraphics *graphics, GpBrush *brush,
2394 GDIPCONST GpPoint *points, INT count, GpFillMode fillMode)
2395 {
2396 INT save_state, i;
2397 GpPointF *ptf = NULL;
2398 POINT *pti = NULL;
2399 GpStatus retval = Ok;
2400
2401 TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
2402
2403 if(!graphics || !brush || !points || !count)
2404 return InvalidParameter;
2405
2406 if(graphics->busy)
2407 return ObjectBusy;
2408
2409 ptf = GdipAlloc(count * sizeof(GpPointF));
2410 pti = GdipAlloc(count * sizeof(POINT));
2411 if(!ptf || !pti){
2412 retval = OutOfMemory;
2413 goto end;
2414 }
2415
2416 for(i = 0; i < count; i ++){
2417 ptf[i].X = (REAL) points[i].X;
2418 ptf[i].Y = (REAL) points[i].Y;
2419 }
2420
2421 save_state = SaveDC(graphics->hdc);
2422 EndPath(graphics->hdc);
2423 SelectObject(graphics->hdc, brush->gdibrush);
2424 SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
2425 SetPolyFillMode(graphics->hdc, (fillMode == FillModeAlternate ? ALTERNATE
2426 : WINDING));
2427
2428 transform_and_round_points(graphics, pti, ptf, count);
2429 Polygon(graphics->hdc, pti, count);
2430
2431 RestoreDC(graphics->hdc, save_state);
2432
2433 end:
2434 GdipFree(ptf);
2435 GdipFree(pti);
2436
2437 return retval;
2438 }
2439
2440 GpStatus WINGDIPAPI GdipFillPolygon2(GpGraphics *graphics, GpBrush *brush,
2441 GDIPCONST GpPointF *points, INT count)
2442 {
2443 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
2444
2445 return GdipFillPolygon(graphics, brush, points, count, FillModeAlternate);
2446 }
2447
2448 GpStatus WINGDIPAPI GdipFillPolygon2I(GpGraphics *graphics, GpBrush *brush,
2449 GDIPCONST GpPoint *points, INT count)
2450 {
2451 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
2452
2453 return GdipFillPolygonI(graphics, brush, points, count, FillModeAlternate);
2454 }
2455
2456 GpStatus WINGDIPAPI GdipFillRectangle(GpGraphics *graphics, GpBrush *brush,
2457 REAL x, REAL y, REAL width, REAL height)
2458 {
2459 INT save_state;
2460 GpPointF ptf[4];
2461 POINT pti[4];
2462
2463 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
2464
2465 if(!graphics || !brush)
2466 return InvalidParameter;
2467
2468 if(graphics->busy)
2469 return ObjectBusy;
2470
2471 ptf[0].X = x;
2472 ptf[0].Y = y;
2473 ptf[1].X = x + width;
2474 ptf[1].Y = y;
2475 ptf[2].X = x + width;
2476 ptf[2].Y = y + height;
2477 ptf[3].X = x;
2478 ptf[3].Y = y + height;
2479
2480 save_state = SaveDC(graphics->hdc);
2481 EndPath(graphics->hdc);
2482 SelectObject(graphics->hdc, brush->gdibrush);
2483 SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
2484
2485 transform_and_round_points(graphics, pti, ptf, 4);
2486
2487 Polygon(graphics->hdc, pti, 4);
2488
2489 RestoreDC(graphics->hdc, save_state);
2490
2491 return Ok;
2492 }
2493
2494 GpStatus WINGDIPAPI GdipFillRectangleI(GpGraphics *graphics, GpBrush *brush,
2495 INT x, INT y, INT width, INT height)
2496 {
2497 INT save_state;
2498 GpPointF ptf[4];
2499 POINT pti[4];
2500
2501 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
2502
2503 if(!graphics || !brush)
2504 return InvalidParameter;
2505
2506 if(graphics->busy)
2507 return ObjectBusy;
2508
2509 ptf[0].X = x;
2510 ptf[0].Y = y;
2511 ptf[1].X = x + width;
2512 ptf[1].Y = y;
2513 ptf[2].X = x + width;
2514 ptf[2].Y = y + height;
2515 ptf[3].X = x;
2516 ptf[3].Y = y + height;
2517
2518 save_state = SaveDC(graphics->hdc);
2519 EndPath(graphics->hdc);
2520 SelectObject(graphics->hdc, brush->gdibrush);
2521 SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
2522
2523 transform_and_round_points(graphics, pti, ptf, 4);
2524
2525 Polygon(graphics->hdc, pti, 4);
2526
2527 RestoreDC(graphics->hdc, save_state);
2528
2529 return Ok;
2530 }
2531
2532 GpStatus WINGDIPAPI GdipFillRectangles(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRectF *rects,
2533 INT count)
2534 {
2535 GpStatus ret;
2536 INT i;
2537
2538 TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
2539
2540 if(!rects)
2541 return InvalidParameter;
2542
2543 for(i = 0; i < count; i++){
2544 ret = GdipFillRectangle(graphics, brush, rects[i].X, rects[i].Y, rects[i].Width, rects[i].Height);
2545 if(ret != Ok) return ret;
2546 }
2547
2548 return Ok;
2549 }
2550
2551 GpStatus WINGDIPAPI GdipFillRectanglesI(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRect *rects,
2552 INT count)
2553 {
2554 GpRectF *rectsF;
2555 GpStatus ret;
2556 INT i;
2557
2558 TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
2559
2560 if(!rects || count <= 0)
2561 return InvalidParameter;
2562
2563 rectsF = GdipAlloc(sizeof(GpRectF)*count);
2564 if(!rectsF)
2565 return OutOfMemory;
2566
2567 for(i = 0; i < count; i++){
2568 rectsF[i].X = (REAL)rects[i].X;
2569 rectsF[i].Y = (REAL)rects[i].Y;
2570 rectsF[i].X = (REAL)rects[i].Width;
2571 rectsF[i].Height = (REAL)rects[i].Height;
2572 }
2573
2574 ret = GdipFillRectangles(graphics,brush,rectsF,count);
2575 GdipFree(rectsF);
2576
2577 return ret;
2578 }
2579
2580 /*****************************************************************************
2581 * GdipFillRegion [GDIPLUS.@]
2582 */
2583 GpStatus WINGDIPAPI GdipFillRegion(GpGraphics* graphics, GpBrush* brush,
2584 GpRegion* region)
2585 {
2586 INT save_state;
2587 GpStatus status;
2588 HRGN hrgn;
2589
2590 TRACE("(%p, %p, %p)\n", graphics, brush, region);
2591
2592 if (!(graphics && brush && region))
2593 return InvalidParameter;
2594
2595 if(graphics->busy)
2596 return ObjectBusy;
2597
2598 status = GdipGetRegionHRgn(region, graphics, &hrgn);
2599 if(status != Ok)
2600 return status;
2601
2602 save_state = SaveDC(graphics->hdc);
2603 EndPath(graphics->hdc);
2604 SelectObject(graphics->hdc, GetStockObject(NULL_PEN));
2605
2606 FillRgn(graphics->hdc, hrgn, brush->gdibrush);
2607
2608 RestoreDC(graphics->hdc, save_state);
2609
2610 DeleteObject(hrgn);
2611
2612 return Ok;
2613 }
2614
2615 GpStatus WINGDIPAPI GdipFlush(GpGraphics *graphics, GpFlushIntention intention)
2616 {
2617 static int calls;
2618
2619 if(!graphics)
2620 return InvalidParameter;
2621
2622 if(graphics->busy)
2623 return ObjectBusy;
2624
2625 if(!(calls++))
2626 FIXME("not implemented\n");
2627
2628 return NotImplemented;
2629 }
2630
2631 /*****************************************************************************
2632 * GdipGetClipBounds [GDIPLUS.@]
2633 */
2634 GpStatus WINGDIPAPI GdipGetClipBounds(GpGraphics *graphics, GpRectF *rect)
2635 {
2636 TRACE("(%p, %p)\n", graphics, rect);
2637
2638 if(!graphics)
2639 return InvalidParameter;
2640
2641 if(graphics->busy)
2642 return ObjectBusy;
2643
2644 return GdipGetRegionBounds(graphics->clip, graphics, rect);
2645 }
2646
2647 /*****************************************************************************
2648 * GdipGetClipBoundsI [GDIPLUS.@]
2649 */
2650 GpStatus WINGDIPAPI GdipGetClipBoundsI(GpGraphics *graphics, GpRect *rect)
2651 {
2652 TRACE("(%p, %p)\n", graphics, rect);
2653
2654 if(!graphics)
2655 return InvalidParameter;
2656
2657 if(graphics->busy)
2658 return ObjectBusy;
2659
2660 return GdipGetRegionBoundsI(graphics->clip, graphics, rect);
2661 }
2662
2663 /* FIXME: Compositing mode is not used anywhere except the getter/setter. */
2664 GpStatus WINGDIPAPI GdipGetCompositingMode(GpGraphics *graphics,
2665 CompositingMode *mode)
2666 {
2667 TRACE("(%p, %p)\n", graphics, mode);
2668
2669 if(!graphics || !mode)
2670 return InvalidParameter;
2671
2672 if(graphics->busy)
2673 return ObjectBusy;
2674
2675 *mode = graphics->compmode;
2676
2677 return Ok;
2678 }
2679
2680 /* FIXME: Compositing quality is not used anywhere except the getter/setter. */
2681 GpStatus WINGDIPAPI GdipGetCompositingQuality(GpGraphics *graphics,
2682 CompositingQuality *quality)
2683 {
2684 TRACE("(%p, %p)\n", graphics, quality);
2685
2686 if(!graphics || !quality)
2687 return InvalidParameter;
2688
2689 if(graphics->busy)
2690 return ObjectBusy;
2691
2692 *quality = graphics->compqual;
2693
2694 return Ok;
2695 }
2696
2697 /* FIXME: Interpolation mode is not used anywhere except the getter/setter. */
2698 GpStatus WINGDIPAPI GdipGetInterpolationMode(GpGraphics *graphics,
2699 InterpolationMode *mode)
2700 {
2701 TRACE("(%p, %p)\n", graphics, mode);
2702
2703 if(!graphics || !mode)
2704 return InvalidParameter;
2705
2706 if(graphics->busy)
2707 return ObjectBusy;
2708
2709 *mode = graphics->interpolation;
2710
2711 return Ok;
2712 }
2713
2714 GpStatus WINGDIPAPI GdipGetNearestColor(GpGraphics *graphics, ARGB* argb)
2715 {
2716 if(!graphics || !argb)
2717 return InvalidParameter;
2718
2719 if(graphics->busy)
2720 return ObjectBusy;
2721
2722 FIXME("(%p, %p): stub\n", graphics, argb);
2723
2724 return NotImplemented;
2725 }
2726
2727 GpStatus WINGDIPAPI GdipGetPageScale(GpGraphics *graphics, REAL *scale)
2728 {
2729 TRACE("(%p, %p)\n", graphics, scale);
2730
2731 if(!graphics || !scale)
2732 return InvalidParameter;
2733
2734 if(graphics->busy)
2735 return ObjectBusy;
2736
2737 *scale = graphics->scale;
2738
2739 return Ok;
2740 }
2741
2742 GpStatus WINGDIPAPI GdipGetPageUnit(GpGraphics *graphics, GpUnit *unit)
2743 {
2744 TRACE("(%p, %p)\n", graphics, unit);
2745
2746 if(!graphics || !unit)
2747 return InvalidParameter;
2748
2749 if(graphics->busy)
2750 return ObjectBusy;
2751
2752 *unit = graphics->unit;
2753
2754 return Ok;
2755 }
2756
2757 /* FIXME: Pixel offset mode is not used anywhere except the getter/setter. */
2758 GpStatus WINGDIPAPI GdipGetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
2759 *mode)
2760 {
2761 TRACE("(%p, %p)\n", graphics, mode);
2762
2763 if(!graphics || !mode)
2764 return InvalidParameter;
2765
2766 if(graphics->busy)
2767 return ObjectBusy;
2768
2769 *mode = graphics->pixeloffset;
2770
2771 return Ok;
2772 }
2773
2774 /* FIXME: Smoothing mode is not used anywhere except the getter/setter. */
2775 GpStatus WINGDIPAPI GdipGetSmoothingMode(GpGraphics *graphics, SmoothingMode *mode)
2776 {
2777 TRACE("(%p, %p)\n", graphics, mode);
2778
2779 if(!graphics || !mode)
2780 return InvalidParameter;
2781
2782 if(graphics->busy)
2783 return ObjectBusy;
2784
2785 *mode = graphics->smoothing;
2786
2787 return Ok;
2788 }
2789
2790 GpStatus WINGDIPAPI GdipGetTextContrast(GpGraphics *graphics, UINT *contrast)
2791 {
2792 TRACE("(%p, %p)\n", graphics, contrast);
2793
2794 if(!graphics || !contrast)
2795 return InvalidParameter;
2796
2797 *contrast = graphics->textcontrast;
2798
2799 return Ok;
2800 }
2801
2802 /* FIXME: Text rendering hint is not used anywhere except the getter/setter. */
2803 GpStatus WINGDIPAPI GdipGetTextRenderingHint(GpGraphics *graphics,
2804 TextRenderingHint *hint)
2805 {
2806 TRACE("(%p, %p)\n", graphics, hint);
2807
2808 if(!graphics || !hint)
2809 return InvalidParameter;
2810
2811 if(graphics->busy)
2812 return ObjectBusy;
2813
2814 *hint = graphics->texthint;
2815
2816 return Ok;
2817 }
2818
2819 GpStatus WINGDIPAPI GdipGetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
2820 {
2821 TRACE("(%p, %p)\n", graphics, matrix);
2822
2823 if(!graphics || !matrix)
2824 return InvalidParameter;
2825
2826 if(graphics->busy)
2827 return ObjectBusy;
2828
2829 *matrix = *graphics->worldtrans;
2830 return Ok;
2831 }
2832
2833 GpStatus WINGDIPAPI GdipGraphicsClear(GpGraphics *graphics, ARGB color)
2834 {
2835 GpSolidFill *brush;
2836 GpStatus stat;
2837 RECT rect;
2838
2839 TRACE("(%p, %x)\n", graphics, color);
2840
2841 if(!graphics)
2842 return InvalidParameter;
2843
2844 if(graphics->busy)
2845 return ObjectBusy;
2846
2847 if((stat = GdipCreateSolidFill(color, &brush)) != Ok)
2848 return stat;
2849
2850 if(graphics->hwnd){
2851 if(!GetWindowRect(graphics->hwnd, &rect)){
2852 GdipDeleteBrush((GpBrush*)brush);
2853 return GenericError;
2854 }
2855
2856 GdipFillRectangle(graphics, (GpBrush*)brush, 0.0, 0.0, (REAL)(rect.right - rect.left),
2857 (REAL)(rect.bottom - rect.top));
2858 }
2859 else
2860 GdipFillRectangle(graphics, (GpBrush*)brush, 0.0, 0.0, (REAL)GetDeviceCaps(graphics->hdc, HORZRES),
2861 (REAL)GetDeviceCaps(graphics->hdc, VERTRES));
2862
2863 GdipDeleteBrush((GpBrush*)brush);
2864
2865 return Ok;
2866 }
2867
2868 GpStatus WINGDIPAPI GdipIsClipEmpty(GpGraphics *graphics, BOOL *res)
2869 {
2870 TRACE("(%p, %p)\n", graphics, res);
2871
2872 if(!graphics || !res)
2873 return InvalidParameter;
2874
2875 return GdipIsEmptyRegion(graphics->clip, graphics, res);
2876 }
2877
2878 GpStatus WINGDIPAPI GdipIsVisiblePoint(GpGraphics *graphics, REAL x, REAL y, BOOL *result)
2879 {
2880 FIXME("(%p, %.2f, %.2f, %p) stub\n", graphics, x, y, result);
2881
2882 if(!graphics || !result)
2883 return InvalidParameter;
2884
2885 if(graphics->busy)
2886 return ObjectBusy;
2887
2888 return NotImplemented;
2889 }
2890
2891 GpStatus WINGDIPAPI GdipIsVisiblePointI(GpGraphics *graphics, INT x, INT y, BOOL *result)
2892 {
2893 FIXME("(%p, %d, %d, %p) stub\n", graphics, x, y, result);
2894
2895 if(!graphics || !result)
2896 return InvalidParameter;
2897
2898 if(graphics->busy)
2899 return ObjectBusy;
2900
2901 return NotImplemented;
2902 }
2903
2904 GpStatus WINGDIPAPI GdipMeasureCharacterRanges(GpGraphics* graphics,
2905 GDIPCONST WCHAR* string, INT length, GDIPCONST GpFont* font,
2906 GDIPCONST RectF* layoutRect, GDIPCONST GpStringFormat *stringFormat,
2907 INT regionCount, GpRegion** regions)
2908 {
2909 if (!(graphics && string && font && layoutRect && stringFormat && regions))
2910 return InvalidParameter;
2911
2912 FIXME("stub: %p %s %d %p %p %p %d %p\n", graphics, debugstr_w(string),
2913 length, font, layoutRect, stringFormat, regionCount, regions);
2914
2915 return NotImplemented;
2916 }
2917
2918 /* Find the smallest rectangle that bounds the text when it is printed in rect
2919 * according to the format options listed in format. If rect has 0 width and
2920 * height, then just find the smallest rectangle that bounds the text when it's
2921 * printed at location (rect->X, rect-Y). */
2922 GpStatus WINGDIPAPI GdipMeasureString(GpGraphics *graphics,
2923 GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
2924 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format, RectF *bounds,
2925 INT *codepointsfitted, INT *linesfilled)
2926 {
2927 HFONT oldfont;
2928 WCHAR* stringdup;
2929 INT sum = 0, height = 0, fit, fitcpy, max_width = 0, i, j, lret, nwidth,
2930 nheight;
2931 SIZE size;
2932
2933 if(!graphics || !string || !font || !rect)
2934 return InvalidParameter;
2935
2936 if(linesfilled) *linesfilled = 0;
2937 if(codepointsfitted) *codepointsfitted = 0;
2938
2939 if(format)
2940 TRACE("may be ignoring some format flags: attr %x\n", format->attr);
2941
2942 if(length == -1) length = lstrlenW(string);
2943
2944 stringdup = GdipAlloc((length + 1) * sizeof(WCHAR));
2945 if(!stringdup) return OutOfMemory;
2946
2947 oldfont = SelectObject(graphics->hdc, CreateFontIndirectW(&font->lfw));
2948 nwidth = roundr(rect->Width);
2949 nheight = roundr(rect->Height);
2950
2951 if((nwidth == 0) && (nheight == 0))
2952 nwidth = nheight = INT_MAX;
2953
2954 for(i = 0, j = 0; i < length; i++){
2955 if(!isprintW(string[i]) && (string[i] != '\n'))
2956 continue;
2957
2958 stringdup[j] = string[i];
2959 j++;
2960 }
2961
2962 stringdup[j] = 0;
2963 length = j;
2964
2965 while(sum < length){
2966 GetTextExtentExPointW(graphics->hdc, stringdup + sum, length - sum,
2967 nwidth, &fit, NULL, &size);
2968 fitcpy = fit;
2969
2970 if(fit == 0)
2971 break;
2972
2973 for(lret = 0; lret < fit; lret++)
2974 if(*(stringdup + sum + lret) == '\n')
2975 break;
2976
2977 /* Line break code (may look strange, but it imitates windows). */
2978 if(lret < fit)
2979 fit = lret; /* this is not an off-by-one error */
2980 else if(fit < (length - sum)){
2981 if(*(stringdup + sum + fit) == ' ')
2982 while(*(stringdup + sum + fit) == ' ')
2983 fit++;
2984 else
2985 while(*(stringdup + sum + fit - 1) != ' '){
2986 fit--;
2987
2988 if(*(stringdup + sum + fit) == '\t')
2989 break;
2990
2991 if(fit == 0){
2992 fit = fitcpy;
2993 break;
2994 }
2995 }
2996 }
2997
2998 GetTextExtentExPointW(graphics->hdc, stringdup + sum, fit,
2999 nwidth, &j, NULL, &size);
3000
3001 sum += fit + (lret < fitcpy ? 1 : 0);
3002 if(codepointsfitted) *codepointsfitted = sum;
3003
3004 height += size.cy;
3005 if(linesfilled) *linesfilled += size.cy;
3006 max_width = max(max_width, size.cx);
3007
3008 if(height > nheight)
3009 break;
3010
3011 /* Stop if this was a linewrap (but not if it was a linebreak). */
3012 if((lret == fitcpy) && format && (format->attr & StringFormatFlagsNoWrap))
3013 break;
3014 }
3015
3016 bounds->X = rect->X;
3017 bounds->Y = rect->Y;
3018 bounds->Width = (REAL)max_width;
3019 bounds->Height = (REAL) min(height, nheight);
3020
3021 GdipFree(stringdup);
3022 DeleteObject(SelectObject(graphics->hdc, oldfont));
3023
3024 return Ok;
3025 }
3026
3027 GpStatus WINGDIPAPI GdipResetClip(GpGraphics *graphics)
3028 {
3029 TRACE("(%p)\n", graphics);
3030
3031 if(!graphics)
3032 return InvalidParameter;
3033
3034 if(graphics->busy)
3035 return ObjectBusy;
3036
3037 return GdipSetInfinite(graphics->clip);
3038 }
3039
3040 GpStatus WINGDIPAPI GdipResetWorldTransform(GpGraphics *graphics)
3041 {
3042 TRACE("(%p)\n", graphics);
3043
3044 if(!graphics)
3045 return InvalidParameter;
3046
3047 if(graphics->busy)
3048 return ObjectBusy;
3049
3050 graphics->worldtrans->matrix[0] = 1.0;
3051 graphics->worldtrans->matrix[1] = 0.0;
3052 graphics->worldtrans->matrix[2] = 0.0;
3053 graphics->worldtrans->matrix[3] = 1.0;
3054 graphics->worldtrans->matrix[4] = 0.0;
3055 graphics->worldtrans->matrix[5] = 0.0;
3056
3057 return Ok;
3058 }
3059
3060 GpStatus WINGDIPAPI GdipRestoreGraphics(GpGraphics *graphics, GraphicsState state)
3061 {
3062 static int calls;
3063
3064 if(!graphics)
3065 return InvalidParameter;
3066
3067 if(!(calls++))
3068 FIXME("graphics state not implemented\n");
3069
3070 return Ok;
3071 }
3072
3073 GpStatus WINGDIPAPI GdipRotateWorldTransform(GpGraphics *graphics, REAL angle,
3074 GpMatrixOrder order)
3075 {
3076 TRACE("(%p, %.2f, %d)\n", graphics, angle, order);
3077
3078 if(!graphics)
3079 return InvalidParameter;
3080
3081 if(graphics->busy)
3082 return ObjectBusy;
3083
3084 return GdipRotateMatrix(graphics->worldtrans, angle, order);
3085 }
3086
3087 GpStatus WINGDIPAPI GdipSaveGraphics(GpGraphics *graphics, GraphicsState *state)
3088 {
3089 static int calls;
3090
3091 if(!graphics || !state)
3092 return InvalidParameter;
3093
3094 if(!(calls++))
3095 FIXME("graphics state not implemented\n");
3096
3097 *state = 0xdeadbeef;
3098 return Ok;
3099 }
3100
3101 GpStatus WINGDIPAPI GdipBeginContainer2(GpGraphics *graphics, GraphicsContainer *state)
3102 {
3103 FIXME("(%p, %p)\n", graphics, state);
3104
3105 if(!graphics || !state)
3106 return InvalidParameter;
3107
3108 *state = 0xdeadbeef;
3109 return Ok;
3110 }
3111
3112 GpStatus WINGDIPAPI GdipEndContainer(GpGraphics *graphics, GraphicsState state)
3113 {
3114 FIXME("(%p, 0x%x)\n", graphics, state);
3115
3116 if(!graphics || !state)
3117 return InvalidParameter;
3118
3119 return Ok;
3120 }
3121
3122 GpStatus WINGDIPAPI GdipScaleWorldTransform(GpGraphics *graphics, REAL sx,
3123 REAL sy, GpMatrixOrder order)
3124 {
3125 TRACE("(%p, %.2f, %.2f, %d)\n", graphics, sx, sy, order);
3126
3127 if(!graphics)
3128 return InvalidParameter;
3129
3130 if(graphics->busy)
3131 return ObjectBusy;
3132
3133 return GdipScaleMatrix(graphics->worldtrans, sx, sy, order);
3134 }
3135
3136 GpStatus WINGDIPAPI GdipSetClipGraphics(GpGraphics *graphics, GpGraphics *srcgraphics,
3137 CombineMode mode)
3138 {
3139 TRACE("(%p, %p, %d)\n", graphics, srcgraphics, mode);
3140
3141 if(!graphics || !srcgraphics)
3142 return InvalidParameter;
3143
3144 return GdipCombineRegionRegion(graphics->clip, srcgraphics->clip, mode);
3145 }
3146
3147 GpStatus WINGDIPAPI GdipSetCompositingMode(GpGraphics *graphics,
3148 CompositingMode mode)
3149 {
3150 TRACE("(%p, %d)\n", graphics, mode);
3151
3152 if(!graphics)
3153 return InvalidParameter;
3154
3155 if(graphics->busy)
3156 return ObjectBusy;
3157
3158 graphics->compmode = mode;
3159
3160 return Ok;
3161 }
3162
3163 GpStatus WINGDIPAPI GdipSetCompositingQuality(GpGraphics *graphics,
3164 CompositingQuality quality)
3165 {
3166 TRACE("(%p, %d)\n", graphics, quality);
3167
3168 if(!graphics)
3169 return InvalidParameter;
3170
3171 if(graphics->busy)
3172 return ObjectBusy;
3173
3174 graphics->compqual = quality;
3175
3176 return Ok;
3177 }
3178
3179 GpStatus WINGDIPAPI GdipSetInterpolationMode(GpGraphics *graphics,
3180 InterpolationMode mode)
3181 {
3182 TRACE("(%p, %d)\n", graphics, mode);
3183
3184 if(!graphics)
3185 return InvalidParameter;
3186
3187 if(graphics->busy)
3188 return ObjectBusy;
3189
3190 graphics->interpolation = mode;
3191
3192 return Ok;
3193 }
3194
3195 GpStatus WINGDIPAPI GdipSetPageScale(GpGraphics *graphics, REAL scale)
3196 {
3197 TRACE("(%p, %.2f)\n", graphics, scale);
3198
3199 if(!graphics || (scale <= 0.0))
3200 return InvalidParameter;
3201
3202 if(graphics->busy)
3203 return ObjectBusy;
3204
3205 graphics->scale = scale;
3206
3207 return Ok;
3208 }
3209
3210 GpStatus WINGDIPAPI GdipSetPageUnit(GpGraphics *graphics, GpUnit unit)
3211 {
3212 TRACE("(%p, %d)\n", graphics, unit);
3213
3214 if(!graphics)
3215 return InvalidParameter;
3216
3217 if(graphics->busy)
3218 return ObjectBusy;
3219
3220 if(unit == UnitWorld)
3221 return InvalidParameter;
3222
3223 graphics->unit = unit;
3224
3225 return Ok;
3226 }
3227
3228 GpStatus WINGDIPAPI GdipSetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
3229 mode)
3230 {
3231 TRACE("(%p, %d)\n", graphics, mode);
3232
3233 if(!graphics)
3234 return InvalidParameter;
3235
3236 if(graphics->busy)
3237 return ObjectBusy;
3238
3239 graphics->pixeloffset = mode;
3240
3241 return Ok;
3242 }
3243
3244 GpStatus WINGDIPAPI GdipSetSmoothingMode(GpGraphics *graphics, SmoothingMode mode)
3245 {
3246 TRACE("(%p, %d)\n", graphics, mode);
3247
3248 if(!graphics)
3249 return InvalidParameter;
3250
3251 if(graphics->busy)
3252 return ObjectBusy;
3253
3254 graphics->smoothing = mode;
3255
3256 return Ok;
3257 }
3258
3259 GpStatus WINGDIPAPI GdipSetTextContrast(GpGraphics *graphics, UINT contrast)
3260 {
3261 TRACE("(%p, %d)\n", graphics, contrast);
3262
3263 if(!graphics)
3264 return InvalidParameter;
3265
3266 graphics->textcontrast = contrast;
3267
3268 return Ok;
3269 }
3270
3271 GpStatus WINGDIPAPI GdipSetTextRenderingHint(GpGraphics *graphics,
3272 TextRenderingHint hint)
3273 {
3274 TRACE("(%p, %d)\n", graphics, hint);
3275
3276 if(!graphics)
3277 return InvalidParameter;
3278
3279 if(graphics->busy)
3280 return ObjectBusy;
3281
3282 graphics->texthint = hint;
3283
3284 return Ok;
3285 }
3286
3287 GpStatus WINGDIPAPI GdipSetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
3288 {
3289 TRACE("(%p, %p)\n", graphics, matrix);
3290
3291 if(!graphics || !matrix)
3292 return InvalidParameter;
3293
3294 if(graphics->busy)
3295 return ObjectBusy;
3296
3297 GdipDeleteMatrix(graphics->worldtrans);
3298 return GdipCloneMatrix(matrix, &graphics->worldtrans);
3299 }
3300
3301 GpStatus WINGDIPAPI GdipTranslateWorldTransform(GpGraphics *graphics, REAL dx,
3302 REAL dy, GpMatrixOrder order)
3303 {
3304 TRACE("(%p, %.2f, %.2f, %d)\n", graphics, dx, dy, order);
3305
3306 if(!graphics)
3307 return InvalidParameter;
3308
3309 if(graphics->busy)
3310 return ObjectBusy;
3311
3312 return GdipTranslateMatrix(graphics->worldtrans, dx, dy, order);
3313 }
3314
3315 /*****************************************************************************
3316 * GdipSetClipHrgn [GDIPLUS.@]
3317 */
3318 GpStatus WINGDIPAPI GdipSetClipHrgn(GpGraphics *graphics, HRGN hrgn, CombineMode mode)
3319 {
3320 GpRegion *region;
3321 GpStatus status;
3322
3323 TRACE("(%p, %p, %d)\n", graphics, hrgn, mode);
3324
3325 if(!graphics)
3326 return InvalidParameter;
3327
3328 status = GdipCreateRegionHrgn(hrgn, &region);
3329 if(status != Ok)
3330 return status;
3331
3332 status = GdipSetClipRegion(graphics, region, mode);
3333
3334 GdipDeleteRegion(region);
3335 return status;
3336 }
3337
3338 GpStatus WINGDIPAPI GdipSetClipPath(GpGraphics *graphics, GpPath *path, CombineMode mode)
3339 {
3340 TRACE("(%p, %p, %d)\n", graphics, path, mode);
3341
3342 if(!graphics)
3343 return InvalidParameter;
3344
3345 if(graphics->busy)
3346 return ObjectBusy;
3347
3348 return GdipCombineRegionPath(graphics->clip, path, mode);
3349 }
3350
3351 GpStatus WINGDIPAPI GdipSetClipRect(GpGraphics *graphics, REAL x, REAL y,
3352 REAL width, REAL height,
3353 CombineMode mode)
3354 {
3355 GpRectF rect;
3356
3357 TRACE("(%p, %.2f, %.2f, %.2f, %.2f, %d)\n", graphics, x, y, width, height, mode);
3358
3359 if(!graphics)
3360 return InvalidParameter;
3361
3362 if(graphics->busy)
3363 return ObjectBusy;
3364
3365 rect.X = x;
3366 rect.Y = y;
3367 rect.Width = width;
3368 rect.Height = height;
3369
3370 return GdipCombineRegionRect(graphics->clip, &rect, mode);
3371 }
3372
3373 GpStatus WINGDIPAPI GdipSetClipRectI(GpGraphics *graphics, INT x, INT y,
3374 INT width, INT height,
3375 CombineMode mode)
3376 {
3377 TRACE("(%p, %d, %d, %d, %d, %d)\n", graphics, x, y, width, height, mode);
3378
3379 if(!graphics)
3380 return InvalidParameter;
3381
3382 if(graphics->busy)
3383 return ObjectBusy;
3384
3385 return GdipSetClipRect(graphics, (REAL)x, (REAL)y, (REAL)width, (REAL)height, mode);
3386 }
3387
3388 GpStatus WINGDIPAPI GdipSetClipRegion(GpGraphics *graphics, GpRegion *region,
3389 CombineMode mode)
3390 {
3391 TRACE("(%p, %p, %d)\n", graphics, region, mode);
3392
3393 if(!graphics || !region)
3394 return InvalidParameter;
3395
3396 if(graphics->busy)
3397 return ObjectBusy;
3398
3399 return GdipCombineRegionRegion(graphics->clip, region, mode);
3400 }
3401
3402 GpStatus WINGDIPAPI GdipSetMetafileDownLevelRasterizationLimit(GpMetafile *metafile,
3403 UINT limitDpi)
3404 {
3405 static int calls;
3406
3407 if(!(calls++))
3408 FIXME("not implemented\n");
3409
3410 return NotImplemented;
3411 }
3412
3413 GpStatus WINGDIPAPI GdipDrawPolygon(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPointF *points,
3414 INT count)
3415 {
3416 INT save_state;
3417 POINT *pti;
3418
3419 TRACE("(%p, %p, %d)\n", graphics, points, count);
3420
3421 if(!graphics || !pen || count<=0)
3422 return InvalidParameter;
3423
3424 if(graphics->busy)
3425 return ObjectBusy;
3426
3427 pti = GdipAlloc(sizeof(POINT) * count);
3428
3429 save_state = prepare_dc(graphics, pen);
3430 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
3431
3432 transform_and_round_points(graphics, pti, (GpPointF*)points, count);
3433 Polygon(graphics->hdc, pti, count);
3434
3435 restore_dc(graphics, save_state);
3436 GdipFree(pti);
3437
3438 return Ok;
3439 }
3440
3441 GpStatus WINGDIPAPI GdipDrawPolygonI(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPoint *points,
3442 INT count)
3443 {
3444 GpStatus ret;
3445 GpPointF *ptf;
3446 INT i;
3447
3448 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
3449
3450 if(count<=0) return InvalidParameter;
3451 ptf = GdipAlloc(sizeof(GpPointF) * count);
3452
3453 for(i = 0;i < count; i++){
3454 ptf[i].X = (REAL)points[i].X;
3455 ptf[i].Y = (REAL)points[i].Y;
3456 }
3457
3458 ret = GdipDrawPolygon(graphics,pen,ptf,count);
3459 GdipFree(ptf);
3460
3461 return ret;
3462 }
3463
3464 GpStatus WINGDIPAPI GdipGetDpiX(GpGraphics *graphics, REAL* dpi)
3465 {
3466 TRACE("(%p, %p)\n", graphics, dpi);
3467
3468 if(!graphics || !dpi)
3469 return InvalidParameter;
3470
3471 if(graphics->busy)
3472 return ObjectBusy;
3473
3474 *dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSX);
3475
3476 return Ok;
3477 }
3478
3479 GpStatus WINGDIPAPI GdipGetDpiY(GpGraphics *graphics, REAL* dpi)
3480 {
3481 TRACE("(%p, %p)\n", graphics, dpi);
3482
3483 if(!graphics || !dpi)
3484 return InvalidParameter;
3485
3486 if(graphics->busy)
3487 return ObjectBusy;
3488
3489 *dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSY);
3490
3491 return Ok;
3492 }
3493
3494 GpStatus WINGDIPAPI GdipMultiplyWorldTransform(GpGraphics *graphics, GDIPCONST GpMatrix *matrix,
3495 GpMatrixOrder order)
3496 {
3497 GpMatrix m;
3498 GpStatus ret;
3499
3500 TRACE("(%p, %p, %d)\n", graphics, matrix, order);
3501
3502 if(!graphics || !matrix)
3503 return InvalidParameter;
3504
3505 if(graphics->busy)
3506 return ObjectBusy;
3507
3508 m = *(graphics->worldtrans);
3509
3510 ret = GdipMultiplyMatrix(&m, matrix, order);
3511 if(ret == Ok)
3512 *(graphics->worldtrans) = m;
3513
3514 return ret;
3515 }
3516
3517 GpStatus WINGDIPAPI GdipGetDC(GpGraphics *graphics, HDC *hdc)
3518 {
3519 TRACE("(%p, %p)\n", graphics, hdc);
3520
3521 if(!graphics || !hdc)
3522 return InvalidParameter;
3523
3524 if(graphics->busy)
3525 return ObjectBusy;
3526
3527 *hdc = graphics->hdc;
3528 graphics->busy = TRUE;
3529
3530 return Ok;
3531 }
3532
3533 GpStatus WINGDIPAPI GdipReleaseDC(GpGraphics *graphics, HDC hdc)
3534 {
3535 TRACE("(%p, %p)\n", graphics, hdc);
3536
3537 if(!graphics)
3538 return InvalidParameter;
3539
3540 if(graphics->hdc != hdc || !(graphics->busy))
3541 return InvalidParameter;
3542
3543 graphics->busy = FALSE;
3544
3545 return Ok;
3546 }
3547
3548 GpStatus WINGDIPAPI GdipGetClip(GpGraphics *graphics, GpRegion *region)
3549 {
3550 GpRegion *clip;
3551 GpStatus status;
3552
3553 TRACE("(%p, %p)\n", graphics, region);
3554
3555 if(!graphics || !region)
3556 return InvalidParameter;
3557
3558 if(graphics->busy)
3559 return ObjectBusy;
3560
3561 if((status = GdipCloneRegion(graphics->clip, &clip)) != Ok)
3562 return status;
3563
3564 /* free everything except root node and header */
3565 delete_element(&region->node);
3566 memcpy(region, clip, sizeof(GpRegion));
3567
3568 return Ok;
3569 }
3570
3571 GpStatus WINGDIPAPI GdipTransformPoints(GpGraphics *graphics, GpCoordinateSpace dst_space,
3572 GpCoordinateSpace src_space, GpPointF *points, INT count)
3573 {
3574 if(!graphics || !points || count <= 0)
3575 return InvalidParameter;
3576
3577 if(graphics->busy)
3578 return ObjectBusy;
3579
3580 FIXME("(%p, %d, %d, %p, %d): stub\n", graphics, dst_space, src_space, points, count);
3581
3582 return NotImplemented;
3583 }
3584
3585 GpStatus WINGDIPAPI GdipTransformPointsI(GpGraphics *graphics, GpCoordinateSpace dst_space,
3586 GpCoordinateSpace src_space, GpPoint *points, INT count)
3587 {
3588 FIXME("(%p, %d, %d, %p, %d): stub\n", graphics, dst_space, src_space, points, count);
3589
3590 return NotImplemented;
3591 }
3592
3593 HPALETTE WINGDIPAPI GdipCreateHalftonePalette(void)
3594 {
3595 FIXME("\n");
3596
3597 return NULL;
3598 }
3599
3600 /*****************************************************************************
3601 * GdipTranslateClip [GDIPLUS.@]
3602 */
3603 GpStatus WINGDIPAPI GdipTranslateClip(GpGraphics *graphics, REAL dx, REAL dy)
3604 {
3605 TRACE("(%p, %.2f, %.2f)\n", graphics, dx, dy);
3606
3607 if(!graphics)
3608 return InvalidParameter;
3609
3610 if(graphics->busy)
3611 return ObjectBusy;
3612
3613 return GdipTranslateRegion(graphics->clip, dx, dy);
3614 }
3615
3616 /*****************************************************************************
3617 * GdipTranslateClipI [GDIPLUS.@]
3618 */
3619 GpStatus WINGDIPAPI GdipTranslateClipI(GpGraphics *graphics, INT dx, INT dy)
3620 {
3621 TRACE("(%p, %d, %d)\n", graphics, dx, dy);
3622
3623 if(!graphics)
3624 return InvalidParameter;
3625
3626 if(graphics->busy)
3627 return ObjectBusy;
3628
3629 return GdipTranslateRegion(graphics->clip, (REAL)dx, (REAL)dy);
3630 }
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