?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
gdiplus: Rewrite SOFTWARE_GdipFillRegion to call brush_fill_pixels less.
[wine/multimedia.git] / dlls / gdiplus / graphics.c
blobddae06ee3b5d648d9a4ccae52ca0df94eb4ff954
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 #include "wine/list.h"
42
43 WINE_DEFAULT_DEBUG_CHANNEL(gdiplus);
44
45 /* looks-right constants */
46 #define ANCHOR_WIDTH (2.0)
47 #define MAX_ITERS (50)
48
49 /* Converts angle (in degrees) to x/y coordinates */
50 static void deg2xy(REAL angle, REAL x_0, REAL y_0, REAL *x, REAL *y)
51 {
52 REAL radAngle, hypotenuse;
53
54 radAngle = deg2rad(angle);
55 hypotenuse = 50.0; /* arbitrary */
56
57 *x = x_0 + cos(radAngle) * hypotenuse;
58 *y = y_0 + sin(radAngle) * hypotenuse;
59 }
60
61 /* Converts from gdiplus path point type to gdi path point type. */
62 static BYTE convert_path_point_type(BYTE type)
63 {
64 BYTE ret;
65
66 switch(type & PathPointTypePathTypeMask){
67 case PathPointTypeBezier:
68 ret = PT_BEZIERTO;
69 break;
70 case PathPointTypeLine:
71 ret = PT_LINETO;
72 break;
73 case PathPointTypeStart:
74 ret = PT_MOVETO;
75 break;
76 default:
77 ERR("Bad point type\n");
78 return 0;
79 }
80
81 if(type & PathPointTypeCloseSubpath)
82 ret |= PT_CLOSEFIGURE;
83
84 return ret;
85 }
86
87 static REAL graphics_res(GpGraphics *graphics)
88 {
89 if (graphics->image) return graphics->image->xres;
90 else return (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSX);
91 }
92
93 static COLORREF get_gdi_brush_color(const GpBrush *brush)
94 {
95 ARGB argb;
96
97 switch (brush->bt)
98 {
99 case BrushTypeSolidColor:
100 {
101 const GpSolidFill *sf = (const GpSolidFill *)brush;
102 argb = sf->color;
103 break;
104 }
105 case BrushTypeHatchFill:
106 {
107 const GpHatch *hatch = (const GpHatch *)brush;
108 argb = hatch->forecol;
109 break;
110 }
111 case BrushTypeLinearGradient:
112 {
113 const GpLineGradient *line = (const GpLineGradient *)brush;
114 argb = line->startcolor;
115 break;
116 }
117 case BrushTypePathGradient:
118 {
119 const GpPathGradient *grad = (const GpPathGradient *)brush;
120 argb = grad->centercolor;
121 break;
122 }
123 default:
124 FIXME("unhandled brush type %d\n", brush->bt);
125 argb = 0;
126 break;
127 }
128 return ARGB2COLORREF(argb);
129 }
130
131 static HBITMAP create_hatch_bitmap(const GpHatch *hatch)
132 {
133 HBITMAP hbmp;
134 HDC hdc;
135 BITMAPINFOHEADER bmih;
136 DWORD *bits;
137 int x, y;
138
139 hdc = CreateCompatibleDC(0);
140
141 if (!hdc) return 0;
142
143 bmih.biSize = sizeof(bmih);
144 bmih.biWidth = 8;
145 bmih.biHeight = 8;
146 bmih.biPlanes = 1;
147 bmih.biBitCount = 32;
148 bmih.biCompression = BI_RGB;
149 bmih.biSizeImage = 0;
150
151 hbmp = CreateDIBSection(hdc, (BITMAPINFO *)&bmih, DIB_RGB_COLORS, (void **)&bits, NULL, 0);
152 if (hbmp)
153 {
154 const char *hatch_data;
155
156 if (get_hatch_data(hatch->hatchstyle, &hatch_data) == Ok)
157 {
158 for (y = 0; y < 8; y++)
159 {
160 for (x = 0; x < 8; x++)
161 {
162 if (hatch_data[y] & (0x80 >> x))
163 bits[y * 8 + x] = hatch->forecol;
164 else
165 bits[y * 8 + x] = hatch->backcol;
166 }
167 }
168 }
169 else
170 {
171 FIXME("Unimplemented hatch style %d\n", hatch->hatchstyle);
172
173 for (y = 0; y < 64; y++)
174 bits[y] = hatch->forecol;
175 }
176 }
177
178 DeleteDC(hdc);
179 return hbmp;
180 }
181
182 static GpStatus create_gdi_logbrush(const GpBrush *brush, LOGBRUSH *lb)
183 {
184 switch (brush->bt)
185 {
186 case BrushTypeSolidColor:
187 {
188 const GpSolidFill *sf = (const GpSolidFill *)brush;
189 lb->lbStyle = BS_SOLID;
190 lb->lbColor = ARGB2COLORREF(sf->color);
191 lb->lbHatch = 0;
192 return Ok;
193 }
194
195 case BrushTypeHatchFill:
196 {
197 const GpHatch *hatch = (const GpHatch *)brush;
198 HBITMAP hbmp;
199
200 hbmp = create_hatch_bitmap(hatch);
201 if (!hbmp) return OutOfMemory;
202
203 lb->lbStyle = BS_PATTERN;
204 lb->lbColor = 0;
205 lb->lbHatch = (ULONG_PTR)hbmp;
206 return Ok;
207 }
208
209 default:
210 FIXME("unhandled brush type %d\n", brush->bt);
211 lb->lbStyle = BS_SOLID;
212 lb->lbColor = get_gdi_brush_color(brush);
213 lb->lbHatch = 0;
214 return Ok;
215 }
216 }
217
218 static GpStatus free_gdi_logbrush(LOGBRUSH *lb)
219 {
220 switch (lb->lbStyle)
221 {
222 case BS_PATTERN:
223 DeleteObject((HGDIOBJ)(ULONG_PTR)lb->lbHatch);
224 break;
225 }
226 return Ok;
227 }
228
229 static HBRUSH create_gdi_brush(const GpBrush *brush)
230 {
231 LOGBRUSH lb;
232 HBRUSH gdibrush;
233
234 if (create_gdi_logbrush(brush, &lb) != Ok) return 0;
235
236 gdibrush = CreateBrushIndirect(&lb);
237 free_gdi_logbrush(&lb);
238
239 return gdibrush;
240 }
241
242 static INT prepare_dc(GpGraphics *graphics, GpPen *pen)
243 {
244 LOGBRUSH lb;
245 HPEN gdipen;
246 REAL width;
247 INT save_state, i, numdashes;
248 GpPointF pt[2];
249 DWORD dash_array[MAX_DASHLEN];
250
251 save_state = SaveDC(graphics->hdc);
252
253 EndPath(graphics->hdc);
254
255 if(pen->unit == UnitPixel){
256 width = pen->width;
257 }
258 else{
259 /* Get an estimate for the amount the pen width is affected by the world
260 * transform. (This is similar to what some of the wine drivers do.) */
261 pt[0].X = 0.0;
262 pt[0].Y = 0.0;
263 pt[1].X = 1.0;
264 pt[1].Y = 1.0;
265 GdipTransformMatrixPoints(graphics->worldtrans, pt, 2);
266 width = sqrt((pt[1].X - pt[0].X) * (pt[1].X - pt[0].X) +
267 (pt[1].Y - pt[0].Y) * (pt[1].Y - pt[0].Y)) / sqrt(2.0);
268
269 width *= pen->width * convert_unit(graphics_res(graphics),
270 pen->unit == UnitWorld ? graphics->unit : pen->unit);
271 }
272
273 if(pen->dash == DashStyleCustom){
274 numdashes = min(pen->numdashes, MAX_DASHLEN);
275
276 TRACE("dashes are: ");
277 for(i = 0; i < numdashes; i++){
278 dash_array[i] = roundr(width * pen->dashes[i]);
279 TRACE("%d, ", dash_array[i]);
280 }
281 TRACE("\n and the pen style is %x\n", pen->style);
282
283 create_gdi_logbrush(pen->brush, &lb);
284 gdipen = ExtCreatePen(pen->style, roundr(width), &lb,
285 numdashes, dash_array);
286 free_gdi_logbrush(&lb);
287 }
288 else
289 {
290 create_gdi_logbrush(pen->brush, &lb);
291 gdipen = ExtCreatePen(pen->style, roundr(width), &lb, 0, NULL);
292 free_gdi_logbrush(&lb);
293 }
294
295 SelectObject(graphics->hdc, gdipen);
296
297 return save_state;
298 }
299
300 static void restore_dc(GpGraphics *graphics, INT state)
301 {
302 DeleteObject(SelectObject(graphics->hdc, GetStockObject(NULL_PEN)));
303 RestoreDC(graphics->hdc, state);
304 }
305
306 static GpStatus get_graphics_transform(GpGraphics *graphics, GpCoordinateSpace dst_space,
307 GpCoordinateSpace src_space, GpMatrix **matrix);
308
309 /* This helper applies all the changes that the points listed in ptf need in
310 * order to be drawn on the device context. In the end, this should include at
311 * least:
312 * -scaling by page unit
313 * -applying world transformation
314 * -converting from float to int
315 * Native gdiplus uses gdi32 to do all this (via SetMapMode, SetViewportExtEx,
316 * SetWindowExtEx, SetWorldTransform, etc.) but we cannot because we are using
317 * gdi to draw, and these functions would irreparably mess with line widths.
318 */
319 static void transform_and_round_points(GpGraphics *graphics, POINT *pti,
320 GpPointF *ptf, INT count)
321 {
322 REAL unitscale;
323 GpMatrix *matrix;
324 int i;
325
326 unitscale = convert_unit(graphics_res(graphics), graphics->unit);
327
328 /* apply page scale */
329 if(graphics->unit != UnitDisplay)
330 unitscale *= graphics->scale;
331
332 GdipCloneMatrix(graphics->worldtrans, &matrix);
333 GdipScaleMatrix(matrix, unitscale, unitscale, MatrixOrderAppend);
334 GdipTransformMatrixPoints(matrix, ptf, count);
335 GdipDeleteMatrix(matrix);
336
337 for(i = 0; i < count; i++){
338 pti[i].x = roundr(ptf[i].X);
339 pti[i].y = roundr(ptf[i].Y);
340 }
341 }
342
343 /* Draw non-premultiplied ARGB data to the given graphics object */
344 static GpStatus alpha_blend_pixels(GpGraphics *graphics, INT dst_x, INT dst_y,
345 const BYTE *src, INT src_width, INT src_height, INT src_stride)
346 {
347 if (graphics->image && graphics->image->type == ImageTypeBitmap)
348 {
349 GpBitmap *dst_bitmap = (GpBitmap*)graphics->image;
350 INT x, y;
351
352 for (x=0; x<src_width; x++)
353 {
354 for (y=0; y<src_height; y++)
355 {
356 ARGB dst_color, src_color;
357 GdipBitmapGetPixel(dst_bitmap, x+dst_x, y+dst_y, &dst_color);
358 src_color = ((ARGB*)(src + src_stride * y))[x];
359 GdipBitmapSetPixel(dst_bitmap, x+dst_x, y+dst_y, color_over(dst_color, src_color));
360 }
361 }
362
363 return Ok;
364 }
365 else if (graphics->image && graphics->image->type == ImageTypeMetafile)
366 {
367 ERR("This should not be used for metafiles; fix caller\n");
368 return NotImplemented;
369 }
370 else
371 {
372 HDC hdc;
373 HBITMAP hbitmap, old_hbm=NULL;
374 BITMAPINFOHEADER bih;
375 BYTE *temp_bits;
376 BLENDFUNCTION bf;
377
378 hdc = CreateCompatibleDC(0);
379
380 bih.biSize = sizeof(BITMAPINFOHEADER);
381 bih.biWidth = src_width;
382 bih.biHeight = -src_height;
383 bih.biPlanes = 1;
384 bih.biBitCount = 32;
385 bih.biCompression = BI_RGB;
386 bih.biSizeImage = 0;
387 bih.biXPelsPerMeter = 0;
388 bih.biYPelsPerMeter = 0;
389 bih.biClrUsed = 0;
390 bih.biClrImportant = 0;
391
392 hbitmap = CreateDIBSection(hdc, (BITMAPINFO*)&bih, DIB_RGB_COLORS,
393 (void**)&temp_bits, NULL, 0);
394
395 convert_32bppARGB_to_32bppPARGB(src_width, src_height, temp_bits,
396 4 * src_width, src, src_stride);
397
398 old_hbm = SelectObject(hdc, hbitmap);
399
400 bf.BlendOp = AC_SRC_OVER;
401 bf.BlendFlags = 0;
402 bf.SourceConstantAlpha = 255;
403 bf.AlphaFormat = AC_SRC_ALPHA;
404
405 GdiAlphaBlend(graphics->hdc, dst_x, dst_y, src_width, src_height,
406 hdc, 0, 0, src_width, src_height, bf);
407
408 SelectObject(hdc, old_hbm);
409 DeleteDC(hdc);
410 DeleteObject(hbitmap);
411
412 return Ok;
413 }
414 }
415
416 static GpStatus alpha_blend_pixels_hrgn(GpGraphics *graphics, INT dst_x, INT dst_y,
417 const BYTE *src, INT src_width, INT src_height, INT src_stride, HRGN hregion)
418 {
419 GpStatus stat=Ok;
420
421 if (graphics->image && graphics->image->type == ImageTypeBitmap)
422 {
423 int i, size;
424 RGNDATA *rgndata;
425 RECT *rects;
426
427 size = GetRegionData(hregion, 0, NULL);
428
429 rgndata = GdipAlloc(size);
430 if (!rgndata)
431 return OutOfMemory;
432
433 GetRegionData(hregion, size, rgndata);
434
435 rects = (RECT*)&rgndata->Buffer;
436
437 for (i=0; stat == Ok && i<rgndata->rdh.nCount; i++)
438 {
439 stat = alpha_blend_pixels(graphics, rects[i].left, rects[i].top,
440 &src[(rects[i].left - dst_x) * 4 + (rects[i].top - dst_y) * src_stride],
441 rects[i].right - rects[i].left, rects[i].bottom - rects[i].top,
442 src_stride);
443 }
444
445 GdipFree(rgndata);
446
447 return stat;
448 }
449 else if (graphics->image && graphics->image->type == ImageTypeMetafile)
450 {
451 ERR("This should not be used for metafiles; fix caller\n");
452 return NotImplemented;
453 }
454 else
455 {
456 int save;
457
458 save = SaveDC(graphics->hdc);
459
460 ExtSelectClipRgn(graphics->hdc, hregion, RGN_AND);
461
462 stat = alpha_blend_pixels(graphics, dst_x, dst_y, src, src_width,
463 src_height, src_stride);
464
465 RestoreDC(graphics->hdc, save);
466
467 return stat;
468 }
469 }
470
471 static ARGB blend_colors(ARGB start, ARGB end, REAL position)
472 {
473 ARGB result=0;
474 ARGB i;
475 INT a1, a2, a3;
476
477 a1 = (start >> 24) & 0xff;
478 a2 = (end >> 24) & 0xff;
479
480 a3 = (int)(a1*(1.0f - position)+a2*(position));
481
482 result |= a3 << 24;
483
484 for (i=0xff; i<=0xff0000; i = i << 8)
485 result |= (int)((start&i)*(1.0f - position)+(end&i)*(position))&i;
486 return result;
487 }
488
489 static ARGB blend_line_gradient(GpLineGradient* brush, REAL position)
490 {
491 REAL blendfac;
492
493 /* clamp to between 0.0 and 1.0, using the wrap mode */
494 if (brush->wrap == WrapModeTile)
495 {
496 position = fmodf(position, 1.0f);
497 if (position < 0.0f) position += 1.0f;
498 }
499 else /* WrapModeFlip* */
500 {
501 position = fmodf(position, 2.0f);
502 if (position < 0.0f) position += 2.0f;
503 if (position > 1.0f) position = 2.0f - position;
504 }
505
506 if (brush->blendcount == 1)
507 blendfac = position;
508 else
509 {
510 int i=1;
511 REAL left_blendpos, left_blendfac, right_blendpos, right_blendfac;
512 REAL range;
513
514 /* locate the blend positions surrounding this position */
515 while (position > brush->blendpos[i])
516 i++;
517
518 /* interpolate between the blend positions */
519 left_blendpos = brush->blendpos[i-1];
520 left_blendfac = brush->blendfac[i-1];
521 right_blendpos = brush->blendpos[i];
522 right_blendfac = brush->blendfac[i];
523 range = right_blendpos - left_blendpos;
524 blendfac = (left_blendfac * (right_blendpos - position) +
525 right_blendfac * (position - left_blendpos)) / range;
526 }
527
528 if (brush->pblendcount == 0)
529 return blend_colors(brush->startcolor, brush->endcolor, blendfac);
530 else
531 {
532 int i=1;
533 ARGB left_blendcolor, right_blendcolor;
534 REAL left_blendpos, right_blendpos;
535
536 /* locate the blend colors surrounding this position */
537 while (blendfac > brush->pblendpos[i])
538 i++;
539
540 /* interpolate between the blend colors */
541 left_blendpos = brush->pblendpos[i-1];
542 left_blendcolor = brush->pblendcolor[i-1];
543 right_blendpos = brush->pblendpos[i];
544 right_blendcolor = brush->pblendcolor[i];
545 blendfac = (blendfac - left_blendpos) / (right_blendpos - left_blendpos);
546 return blend_colors(left_blendcolor, right_blendcolor, blendfac);
547 }
548 }
549
550 static ARGB transform_color(ARGB color, const ColorMatrix *matrix)
551 {
552 REAL val[5], res[4];
553 int i, j;
554 unsigned char a, r, g, b;
555
556 val[0] = ((color >> 16) & 0xff) / 255.0; /* red */
557 val[1] = ((color >> 8) & 0xff) / 255.0; /* green */
558 val[2] = (color & 0xff) / 255.0; /* blue */
559 val[3] = ((color >> 24) & 0xff) / 255.0; /* alpha */
560 val[4] = 1.0; /* translation */
561
562 for (i=0; i<4; i++)
563 {
564 res[i] = 0.0;
565
566 for (j=0; j<5; j++)
567 res[i] += matrix->m[j][i] * val[j];
568 }
569
570 a = min(max(floorf(res[3]*255.0), 0.0), 255.0);
571 r = min(max(floorf(res[0]*255.0), 0.0), 255.0);
572 g = min(max(floorf(res[1]*255.0), 0.0), 255.0);
573 b = min(max(floorf(res[2]*255.0), 0.0), 255.0);
574
575 return (a << 24) | (r << 16) | (g << 8) | b;
576 }
577
578 static int color_is_gray(ARGB color)
579 {
580 unsigned char r, g, b;
581
582 r = (color >> 16) & 0xff;
583 g = (color >> 8) & 0xff;
584 b = color & 0xff;
585
586 return (r == g) && (g == b);
587 }
588
589 static void apply_image_attributes(const GpImageAttributes *attributes, LPBYTE data,
590 UINT width, UINT height, INT stride, ColorAdjustType type)
591 {
592 UINT x, y, i;
593
594 if (attributes->colorkeys[type].enabled ||
595 attributes->colorkeys[ColorAdjustTypeDefault].enabled)
596 {
597 const struct color_key *key;
598 BYTE min_blue, min_green, min_red;
599 BYTE max_blue, max_green, max_red;
600
601 if (attributes->colorkeys[type].enabled)
602 key = &attributes->colorkeys[type];
603 else
604 key = &attributes->colorkeys[ColorAdjustTypeDefault];
605
606 min_blue = key->low&0xff;
607 min_green = (key->low>>8)&0xff;
608 min_red = (key->low>>16)&0xff;
609
610 max_blue = key->high&0xff;
611 max_green = (key->high>>8)&0xff;
612 max_red = (key->high>>16)&0xff;
613
614 for (x=0; x<width; x++)
615 for (y=0; y<height; y++)
616 {
617 ARGB *src_color;
618 BYTE blue, green, red;
619 src_color = (ARGB*)(data + stride * y + sizeof(ARGB) * x);
620 blue = *src_color&0xff;
621 green = (*src_color>>8)&0xff;
622 red = (*src_color>>16)&0xff;
623 if (blue >= min_blue && green >= min_green && red >= min_red &&
624 blue <= max_blue && green <= max_green && red <= max_red)
625 *src_color = 0x00000000;
626 }
627 }
628
629 if (attributes->colorremaptables[type].enabled ||
630 attributes->colorremaptables[ColorAdjustTypeDefault].enabled)
631 {
632 const struct color_remap_table *table;
633
634 if (attributes->colorremaptables[type].enabled)
635 table = &attributes->colorremaptables[type];
636 else
637 table = &attributes->colorremaptables[ColorAdjustTypeDefault];
638
639 for (x=0; x<width; x++)
640 for (y=0; y<height; y++)
641 {
642 ARGB *src_color;
643 src_color = (ARGB*)(data + stride * y + sizeof(ARGB) * x);
644 for (i=0; i<table->mapsize; i++)
645 {
646 if (*src_color == table->colormap[i].oldColor.Argb)
647 {
648 *src_color = table->colormap[i].newColor.Argb;
649 break;
650 }
651 }
652 }
653 }
654
655 if (attributes->colormatrices[type].enabled ||
656 attributes->colormatrices[ColorAdjustTypeDefault].enabled)
657 {
658 const struct color_matrix *colormatrices;
659
660 if (attributes->colormatrices[type].enabled)
661 colormatrices = &attributes->colormatrices[type];
662 else
663 colormatrices = &attributes->colormatrices[ColorAdjustTypeDefault];
664
665 for (x=0; x<width; x++)
666 for (y=0; y<height; y++)
667 {
668 ARGB *src_color;
669 src_color = (ARGB*)(data + stride * y + sizeof(ARGB) * x);
670
671 if (colormatrices->flags == ColorMatrixFlagsDefault ||
672 !color_is_gray(*src_color))
673 {
674 *src_color = transform_color(*src_color, &colormatrices->colormatrix);
675 }
676 else if (colormatrices->flags == ColorMatrixFlagsAltGray)
677 {
678 *src_color = transform_color(*src_color, &colormatrices->graymatrix);
679 }
680 }
681 }
682
683 if (attributes->gamma_enabled[type] ||
684 attributes->gamma_enabled[ColorAdjustTypeDefault])
685 {
686 REAL gamma;
687
688 if (attributes->gamma_enabled[type])
689 gamma = attributes->gamma[type];
690 else
691 gamma = attributes->gamma[ColorAdjustTypeDefault];
692
693 for (x=0; x<width; x++)
694 for (y=0; y<height; y++)
695 {
696 ARGB *src_color;
697 BYTE blue, green, red;
698 src_color = (ARGB*)(data + stride * y + sizeof(ARGB) * x);
699
700 blue = *src_color&0xff;
701 green = (*src_color>>8)&0xff;
702 red = (*src_color>>16)&0xff;
703
704 /* FIXME: We should probably use a table for this. */
705 blue = floorf(powf(blue / 255.0, gamma) * 255.0);
706 green = floorf(powf(green / 255.0, gamma) * 255.0);
707 red = floorf(powf(red / 255.0, gamma) * 255.0);
708
709 *src_color = (*src_color & 0xff000000) | (red << 16) | (green << 8) | blue;
710 }
711 }
712 }
713
714 /* Given a bitmap and its source rectangle, find the smallest rectangle in the
715 * bitmap that contains all the pixels we may need to draw it. */
716 static void get_bitmap_sample_size(InterpolationMode interpolation, WrapMode wrap,
717 GpBitmap* bitmap, REAL srcx, REAL srcy, REAL srcwidth, REAL srcheight,
718 GpRect *rect)
719 {
720 INT left, top, right, bottom;
721
722 switch (interpolation)
723 {
724 case InterpolationModeHighQualityBilinear:
725 case InterpolationModeHighQualityBicubic:
726 /* FIXME: Include a greater range for the prefilter? */
727 case InterpolationModeBicubic:
728 case InterpolationModeBilinear:
729 left = (INT)(floorf(srcx));
730 top = (INT)(floorf(srcy));
731 right = (INT)(ceilf(srcx+srcwidth));
732 bottom = (INT)(ceilf(srcy+srcheight));
733 break;
734 case InterpolationModeNearestNeighbor:
735 default:
736 left = roundr(srcx);
737 top = roundr(srcy);
738 right = roundr(srcx+srcwidth);
739 bottom = roundr(srcy+srcheight);
740 break;
741 }
742
743 if (wrap == WrapModeClamp)
744 {
745 if (left < 0)
746 left = 0;
747 if (top < 0)
748 top = 0;
749 if (right >= bitmap->width)
750 right = bitmap->width-1;
751 if (bottom >= bitmap->height)
752 bottom = bitmap->height-1;
753 }
754 else
755 {
756 /* In some cases we can make the rectangle smaller here, but the logic
757 * is hard to get right, and tiling suggests we're likely to use the
758 * entire source image. */
759 if (left < 0 || right >= bitmap->width)
760 {
761 left = 0;
762 right = bitmap->width-1;
763 }
764
765 if (top < 0 || bottom >= bitmap->height)
766 {
767 top = 0;
768 bottom = bitmap->height-1;
769 }
770 }
771
772 rect->X = left;
773 rect->Y = top;
774 rect->Width = right - left + 1;
775 rect->Height = bottom - top + 1;
776 }
777
778 static ARGB sample_bitmap_pixel(GDIPCONST GpRect *src_rect, LPBYTE bits, UINT width,
779 UINT height, INT x, INT y, GDIPCONST GpImageAttributes *attributes)
780 {
781 if (attributes->wrap == WrapModeClamp)
782 {
783 if (x < 0 || y < 0 || x >= width || y >= height)
784 return attributes->outside_color;
785 }
786 else
787 {
788 /* Tiling. Make sure co-ordinates are positive as it simplifies the math. */
789 if (x < 0)
790 x = width*2 + x % (width * 2);
791 if (y < 0)
792 y = height*2 + y % (height * 2);
793
794 if ((attributes->wrap & 1) == 1)
795 {
796 /* Flip X */
797 if ((x / width) % 2 == 0)
798 x = x % width;
799 else
800 x = width - 1 - x % width;
801 }
802 else
803 x = x % width;
804
805 if ((attributes->wrap & 2) == 2)
806 {
807 /* Flip Y */
808 if ((y / height) % 2 == 0)
809 y = y % height;
810 else
811 y = height - 1 - y % height;
812 }
813 else
814 y = y % height;
815 }
816
817 if (x < src_rect->X || y < src_rect->Y || x >= src_rect->X + src_rect->Width || y >= src_rect->Y + src_rect->Height)
818 {
819 ERR("out of range pixel requested\n");
820 return 0xffcd0084;
821 }
822
823 return ((DWORD*)(bits))[(x - src_rect->X) + (y - src_rect->Y) * src_rect->Width];
824 }
825
826 static ARGB resample_bitmap_pixel(GDIPCONST GpRect *src_rect, LPBYTE bits, UINT width,
827 UINT height, GpPointF *point, GDIPCONST GpImageAttributes *attributes,
828 InterpolationMode interpolation)
829 {
830 static int fixme;
831
832 switch (interpolation)
833 {
834 default:
835 if (!fixme++)
836 FIXME("Unimplemented interpolation %i\n", interpolation);
837 /* fall-through */
838 case InterpolationModeBilinear:
839 {
840 REAL leftxf, topyf;
841 INT leftx, rightx, topy, bottomy;
842 ARGB topleft, topright, bottomleft, bottomright;
843 ARGB top, bottom;
844 float x_offset;
845
846 leftxf = floorf(point->X);
847 leftx = (INT)leftxf;
848 rightx = (INT)ceilf(point->X);
849 topyf = floorf(point->Y);
850 topy = (INT)topyf;
851 bottomy = (INT)ceilf(point->Y);
852
853 if (leftx == rightx && topy == bottomy)
854 return sample_bitmap_pixel(src_rect, bits, width, height,
855 leftx, topy, attributes);
856
857 topleft = sample_bitmap_pixel(src_rect, bits, width, height,
858 leftx, topy, attributes);
859 topright = sample_bitmap_pixel(src_rect, bits, width, height,
860 rightx, topy, attributes);
861 bottomleft = sample_bitmap_pixel(src_rect, bits, width, height,
862 leftx, bottomy, attributes);
863 bottomright = sample_bitmap_pixel(src_rect, bits, width, height,
864 rightx, bottomy, attributes);
865
866 x_offset = point->X - leftxf;
867 top = blend_colors(topleft, topright, x_offset);
868 bottom = blend_colors(bottomleft, bottomright, x_offset);
869
870 return blend_colors(top, bottom, point->Y - topyf);
871 }
872 case InterpolationModeNearestNeighbor:
873 return sample_bitmap_pixel(src_rect, bits, width, height,
874 roundr(point->X), roundr(point->Y), attributes);
875 }
876 }
877
878 static INT brush_can_fill_path(GpBrush *brush)
879 {
880 switch (brush->bt)
881 {
882 case BrushTypeSolidColor:
883 return 1;
884 case BrushTypeHatchFill:
885 {
886 GpHatch *hatch = (GpHatch*)brush;
887 return ((hatch->forecol & 0xff000000) == 0xff000000) &&
888 ((hatch->backcol & 0xff000000) == 0xff000000);
889 }
890 case BrushTypeLinearGradient:
891 case BrushTypeTextureFill:
892 /* Gdi32 isn't much help with these, so we should use brush_fill_pixels instead. */
893 default:
894 return 0;
895 }
896 }
897
898 static void brush_fill_path(GpGraphics *graphics, GpBrush* brush)
899 {
900 switch (brush->bt)
901 {
902 case BrushTypeSolidColor:
903 {
904 GpSolidFill *fill = (GpSolidFill*)brush;
905 HBITMAP bmp = ARGB2BMP(fill->color);
906
907 if (bmp)
908 {
909 RECT rc;
910 /* partially transparent fill */
911
912 SelectClipPath(graphics->hdc, RGN_AND);
913 if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
914 {
915 HDC hdc = CreateCompatibleDC(NULL);
916 BLENDFUNCTION bf;
917
918 if (!hdc) break;
919
920 SelectObject(hdc, bmp);
921
922 bf.BlendOp = AC_SRC_OVER;
923 bf.BlendFlags = 0;
924 bf.SourceConstantAlpha = 255;
925 bf.AlphaFormat = AC_SRC_ALPHA;
926
927 GdiAlphaBlend(graphics->hdc, rc.left, rc.top, rc.right-rc.left, rc.bottom-rc.top, hdc, 0, 0, 1, 1, bf);
928
929 DeleteDC(hdc);
930 }
931
932 DeleteObject(bmp);
933 break;
934 }
935 /* else fall through */
936 }
937 default:
938 {
939 HBRUSH gdibrush, old_brush;
940
941 gdibrush = create_gdi_brush(brush);
942 if (!gdibrush) return;
943
944 old_brush = SelectObject(graphics->hdc, gdibrush);
945 FillPath(graphics->hdc);
946 SelectObject(graphics->hdc, old_brush);
947 DeleteObject(gdibrush);
948 break;
949 }
950 }
951 }
952
953 static INT brush_can_fill_pixels(GpBrush *brush)
954 {
955 switch (brush->bt)
956 {
957 case BrushTypeSolidColor:
958 case BrushTypeHatchFill:
959 case BrushTypeLinearGradient:
960 case BrushTypeTextureFill:
961 return 1;
962 default:
963 return 0;
964 }
965 }
966
967 static GpStatus brush_fill_pixels(GpGraphics *graphics, GpBrush *brush,
968 DWORD *argb_pixels, GpRect *fill_area, UINT cdwStride)
969 {
970 switch (brush->bt)
971 {
972 case BrushTypeSolidColor:
973 {
974 int x, y;
975 GpSolidFill *fill = (GpSolidFill*)brush;
976 for (x=0; x<fill_area->Width; x++)
977 for (y=0; y<fill_area->Height; y++)
978 argb_pixels[x + y*cdwStride] = fill->color;
979 return Ok;
980 }
981 case BrushTypeHatchFill:
982 {
983 int x, y;
984 GpHatch *fill = (GpHatch*)brush;
985 const char *hatch_data;
986
987 if (get_hatch_data(fill->hatchstyle, &hatch_data) != Ok)
988 return NotImplemented;
989
990 for (x=0; x<fill_area->Width; x++)
991 for (y=0; y<fill_area->Height; y++)
992 {
993 int hx, hy;
994
995 /* FIXME: Account for the rendering origin */
996 hx = (x + fill_area->X) % 8;
997 hy = (y + fill_area->Y) % 8;
998
999 if ((hatch_data[7-hy] & (0x80 >> hx)) != 0)
1000 argb_pixels[x + y*cdwStride] = fill->forecol;
1001 else
1002 argb_pixels[x + y*cdwStride] = fill->backcol;
1003 }
1004
1005 return Ok;
1006 }
1007 case BrushTypeLinearGradient:
1008 {
1009 GpLineGradient *fill = (GpLineGradient*)brush;
1010 GpPointF draw_points[3], line_points[3];
1011 GpStatus stat;
1012 static const GpRectF box_1 = { 0.0, 0.0, 1.0, 1.0 };
1013 GpMatrix *world_to_gradient; /* FIXME: Store this in the brush? */
1014 int x, y;
1015
1016 draw_points[0].X = fill_area->X;
1017 draw_points[0].Y = fill_area->Y;
1018 draw_points[1].X = fill_area->X+1;
1019 draw_points[1].Y = fill_area->Y;
1020 draw_points[2].X = fill_area->X;
1021 draw_points[2].Y = fill_area->Y+1;
1022
1023 /* Transform the points to a co-ordinate space where X is the point's
1024 * position in the gradient, 0.0 being the start point and 1.0 the
1025 * end point. */
1026 stat = GdipTransformPoints(graphics, CoordinateSpaceWorld,
1027 CoordinateSpaceDevice, draw_points, 3);
1028
1029 if (stat == Ok)
1030 {
1031 line_points[0] = fill->startpoint;
1032 line_points[1] = fill->endpoint;
1033 line_points[2].X = fill->startpoint.X + (fill->startpoint.Y - fill->endpoint.Y);
1034 line_points[2].Y = fill->startpoint.Y + (fill->endpoint.X - fill->startpoint.X);
1035
1036 stat = GdipCreateMatrix3(&box_1, line_points, &world_to_gradient);
1037 }
1038
1039 if (stat == Ok)
1040 {
1041 stat = GdipInvertMatrix(world_to_gradient);
1042
1043 if (stat == Ok)
1044 stat = GdipTransformMatrixPoints(world_to_gradient, draw_points, 3);
1045
1046 GdipDeleteMatrix(world_to_gradient);
1047 }
1048
1049 if (stat == Ok)
1050 {
1051 REAL x_delta = draw_points[1].X - draw_points[0].X;
1052 REAL y_delta = draw_points[2].X - draw_points[0].X;
1053
1054 for (y=0; y<fill_area->Height; y++)
1055 {
1056 for (x=0; x<fill_area->Width; x++)
1057 {
1058 REAL pos = draw_points[0].X + x * x_delta + y * y_delta;
1059
1060 argb_pixels[x + y*cdwStride] = blend_line_gradient(fill, pos);
1061 }
1062 }
1063 }
1064
1065 return stat;
1066 }
1067 case BrushTypeTextureFill:
1068 {
1069 GpTexture *fill = (GpTexture*)brush;
1070 GpPointF draw_points[3];
1071 GpStatus stat;
1072 GpMatrix *world_to_texture;
1073 int x, y;
1074 GpBitmap *bitmap;
1075 int src_stride;
1076 GpRect src_area;
1077
1078 if (fill->image->type != ImageTypeBitmap)
1079 {
1080 FIXME("metafile texture brushes not implemented\n");
1081 return NotImplemented;
1082 }
1083
1084 bitmap = (GpBitmap*)fill->image;
1085 src_stride = sizeof(ARGB) * bitmap->width;
1086
1087 src_area.X = src_area.Y = 0;
1088 src_area.Width = bitmap->width;
1089 src_area.Height = bitmap->height;
1090
1091 draw_points[0].X = fill_area->X;
1092 draw_points[0].Y = fill_area->Y;
1093 draw_points[1].X = fill_area->X+1;
1094 draw_points[1].Y = fill_area->Y;
1095 draw_points[2].X = fill_area->X;
1096 draw_points[2].Y = fill_area->Y+1;
1097
1098 /* Transform the points to the co-ordinate space of the bitmap. */
1099 stat = GdipTransformPoints(graphics, CoordinateSpaceWorld,
1100 CoordinateSpaceDevice, draw_points, 3);
1101
1102 if (stat == Ok)
1103 {
1104 stat = GdipCloneMatrix(fill->transform, &world_to_texture);
1105 }
1106
1107 if (stat == Ok)
1108 {
1109 stat = GdipInvertMatrix(world_to_texture);
1110
1111 if (stat == Ok)
1112 stat = GdipTransformMatrixPoints(world_to_texture, draw_points, 3);
1113
1114 GdipDeleteMatrix(world_to_texture);
1115 }
1116
1117 if (stat == Ok && !fill->bitmap_bits)
1118 {
1119 BitmapData lockeddata;
1120
1121 fill->bitmap_bits = GdipAlloc(sizeof(ARGB) * bitmap->width * bitmap->height);
1122 if (!fill->bitmap_bits)
1123 stat = OutOfMemory;
1124
1125 if (stat == Ok)
1126 {
1127 lockeddata.Width = bitmap->width;
1128 lockeddata.Height = bitmap->height;
1129 lockeddata.Stride = src_stride;
1130 lockeddata.PixelFormat = PixelFormat32bppARGB;
1131 lockeddata.Scan0 = fill->bitmap_bits;
1132
1133 stat = GdipBitmapLockBits(bitmap, &src_area, ImageLockModeRead|ImageLockModeUserInputBuf,
1134 PixelFormat32bppARGB, &lockeddata);
1135 }
1136
1137 if (stat == Ok)
1138 stat = GdipBitmapUnlockBits(bitmap, &lockeddata);
1139
1140 if (stat == Ok)
1141 apply_image_attributes(fill->imageattributes, fill->bitmap_bits,
1142 bitmap->width, bitmap->height,
1143 src_stride, ColorAdjustTypeBitmap);
1144
1145 if (stat != Ok)
1146 {
1147 GdipFree(fill->bitmap_bits);
1148 fill->bitmap_bits = NULL;
1149 }
1150 }
1151
1152 if (stat == Ok)
1153 {
1154 REAL x_dx = draw_points[1].X - draw_points[0].X;
1155 REAL x_dy = draw_points[1].Y - draw_points[0].Y;
1156 REAL y_dx = draw_points[2].X - draw_points[0].X;
1157 REAL y_dy = draw_points[2].Y - draw_points[0].Y;
1158
1159 for (y=0; y<fill_area->Height; y++)
1160 {
1161 for (x=0; x<fill_area->Width; x++)
1162 {
1163 GpPointF point;
1164 point.X = draw_points[0].X + x * x_dx + y * y_dx;
1165 point.Y = draw_points[0].Y + y * x_dy + y * y_dy;
1166
1167 argb_pixels[x + y*cdwStride] = resample_bitmap_pixel(
1168 &src_area, fill->bitmap_bits, bitmap->width, bitmap->height,
1169 &point, fill->imageattributes, graphics->interpolation);
1170 }
1171 }
1172 }
1173
1174 return stat;
1175 }
1176 default:
1177 return NotImplemented;
1178 }
1179 }
1180
1181 /* GdipDrawPie/GdipFillPie helper function */
1182 static void draw_pie(GpGraphics *graphics, REAL x, REAL y, REAL width,
1183 REAL height, REAL startAngle, REAL sweepAngle)
1184 {
1185 GpPointF ptf[4];
1186 POINT pti[4];
1187
1188 ptf[0].X = x;
1189 ptf[0].Y = y;
1190 ptf[1].X = x + width;
1191 ptf[1].Y = y + height;
1192
1193 deg2xy(startAngle+sweepAngle, x + width / 2.0, y + width / 2.0, &ptf[2].X, &ptf[2].Y);
1194 deg2xy(startAngle, x + width / 2.0, y + width / 2.0, &ptf[3].X, &ptf[3].Y);
1195
1196 transform_and_round_points(graphics, pti, ptf, 4);
1197
1198 Pie(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y, pti[2].x,
1199 pti[2].y, pti[3].x, pti[3].y);
1200 }
1201
1202 /* Draws the linecap the specified color and size on the hdc. The linecap is in
1203 * direction of the line from x1, y1 to x2, y2 and is anchored on x2, y2. Probably
1204 * should not be called on an hdc that has a path you care about. */
1205 static void draw_cap(GpGraphics *graphics, COLORREF color, GpLineCap cap, REAL size,
1206 const GpCustomLineCap *custom, REAL x1, REAL y1, REAL x2, REAL y2)
1207 {
1208 HGDIOBJ oldbrush = NULL, oldpen = NULL;
1209 GpMatrix *matrix = NULL;
1210 HBRUSH brush = NULL;
1211 HPEN pen = NULL;
1212 PointF ptf[4], *custptf = NULL;
1213 POINT pt[4], *custpt = NULL;
1214 BYTE *tp = NULL;
1215 REAL theta, dsmall, dbig, dx, dy = 0.0;
1216 INT i, count;
1217 LOGBRUSH lb;
1218 BOOL customstroke;
1219
1220 if((x1 == x2) && (y1 == y2))
1221 return;
1222
1223 theta = gdiplus_atan2(y2 - y1, x2 - x1);
1224
1225 customstroke = (cap == LineCapCustom) && custom && (!custom->fill);
1226 if(!customstroke){
1227 brush = CreateSolidBrush(color);
1228 lb.lbStyle = BS_SOLID;
1229 lb.lbColor = color;
1230 lb.lbHatch = 0;
1231 pen = ExtCreatePen(PS_GEOMETRIC | PS_SOLID | PS_ENDCAP_FLAT |
1232 PS_JOIN_MITER, 1, &lb, 0,
1233 NULL);
1234 oldbrush = SelectObject(graphics->hdc, brush);
1235 oldpen = SelectObject(graphics->hdc, pen);
1236 }
1237
1238 switch(cap){
1239 case LineCapFlat:
1240 break;
1241 case LineCapSquare:
1242 case LineCapSquareAnchor:
1243 case LineCapDiamondAnchor:
1244 size = size * (cap & LineCapNoAnchor ? ANCHOR_WIDTH : 1.0) / 2.0;
1245 if(cap == LineCapDiamondAnchor){
1246 dsmall = cos(theta + M_PI_2) * size;
1247 dbig = sin(theta + M_PI_2) * size;
1248 }
1249 else{
1250 dsmall = cos(theta + M_PI_4) * size;
1251 dbig = sin(theta + M_PI_4) * size;
1252 }
1253
1254 ptf[0].X = x2 - dsmall;
1255 ptf[1].X = x2 + dbig;
1256
1257 ptf[0].Y = y2 - dbig;
1258 ptf[3].Y = y2 + dsmall;
1259
1260 ptf[1].Y = y2 - dsmall;
1261 ptf[2].Y = y2 + dbig;
1262
1263 ptf[3].X = x2 - dbig;
1264 ptf[2].X = x2 + dsmall;
1265
1266 transform_and_round_points(graphics, pt, ptf, 4);
1267 Polygon(graphics->hdc, pt, 4);
1268
1269 break;
1270 case LineCapArrowAnchor:
1271 size = size * 4.0 / sqrt(3.0);
1272
1273 dx = cos(M_PI / 6.0 + theta) * size;
1274 dy = sin(M_PI / 6.0 + theta) * size;
1275
1276 ptf[0].X = x2 - dx;
1277 ptf[0].Y = y2 - dy;
1278
1279 dx = cos(- M_PI / 6.0 + theta) * size;
1280 dy = sin(- M_PI / 6.0 + theta) * size;
1281
1282 ptf[1].X = x2 - dx;
1283 ptf[1].Y = y2 - dy;
1284
1285 ptf[2].X = x2;
1286 ptf[2].Y = y2;
1287
1288 transform_and_round_points(graphics, pt, ptf, 3);
1289 Polygon(graphics->hdc, pt, 3);
1290
1291 break;
1292 case LineCapRoundAnchor:
1293 dx = dy = ANCHOR_WIDTH * size / 2.0;
1294
1295 ptf[0].X = x2 - dx;
1296 ptf[0].Y = y2 - dy;
1297 ptf[1].X = x2 + dx;
1298 ptf[1].Y = y2 + dy;
1299
1300 transform_and_round_points(graphics, pt, ptf, 2);
1301 Ellipse(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y);
1302
1303 break;
1304 case LineCapTriangle:
1305 size = size / 2.0;
1306 dx = cos(M_PI_2 + theta) * size;
1307 dy = sin(M_PI_2 + theta) * size;
1308
1309 ptf[0].X = x2 - dx;
1310 ptf[0].Y = y2 - dy;
1311 ptf[1].X = x2 + dx;
1312 ptf[1].Y = y2 + dy;
1313
1314 dx = cos(theta) * size;
1315 dy = sin(theta) * size;
1316
1317 ptf[2].X = x2 + dx;
1318 ptf[2].Y = y2 + dy;
1319
1320 transform_and_round_points(graphics, pt, ptf, 3);
1321 Polygon(graphics->hdc, pt, 3);
1322
1323 break;
1324 case LineCapRound:
1325 dx = dy = size / 2.0;
1326
1327 ptf[0].X = x2 - dx;
1328 ptf[0].Y = y2 - dy;
1329 ptf[1].X = x2 + dx;
1330 ptf[1].Y = y2 + dy;
1331
1332 dx = -cos(M_PI_2 + theta) * size;
1333 dy = -sin(M_PI_2 + theta) * size;
1334
1335 ptf[2].X = x2 - dx;
1336 ptf[2].Y = y2 - dy;
1337 ptf[3].X = x2 + dx;
1338 ptf[3].Y = y2 + dy;
1339
1340 transform_and_round_points(graphics, pt, ptf, 4);
1341 Pie(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y, pt[2].x,
1342 pt[2].y, pt[3].x, pt[3].y);
1343
1344 break;
1345 case LineCapCustom:
1346 if(!custom)
1347 break;
1348
1349 count = custom->pathdata.Count;
1350 custptf = GdipAlloc(count * sizeof(PointF));
1351 custpt = GdipAlloc(count * sizeof(POINT));
1352 tp = GdipAlloc(count);
1353
1354 if(!custptf || !custpt || !tp || (GdipCreateMatrix(&matrix) != Ok))
1355 goto custend;
1356
1357 memcpy(custptf, custom->pathdata.Points, count * sizeof(PointF));
1358
1359 GdipScaleMatrix(matrix, size, size, MatrixOrderAppend);
1360 GdipRotateMatrix(matrix, (180.0 / M_PI) * (theta - M_PI_2),
1361 MatrixOrderAppend);
1362 GdipTranslateMatrix(matrix, x2, y2, MatrixOrderAppend);
1363 GdipTransformMatrixPoints(matrix, custptf, count);
1364
1365 transform_and_round_points(graphics, custpt, custptf, count);
1366
1367 for(i = 0; i < count; i++)
1368 tp[i] = convert_path_point_type(custom->pathdata.Types[i]);
1369
1370 if(custom->fill){
1371 BeginPath(graphics->hdc);
1372 PolyDraw(graphics->hdc, custpt, tp, count);
1373 EndPath(graphics->hdc);
1374 StrokeAndFillPath(graphics->hdc);
1375 }
1376 else
1377 PolyDraw(graphics->hdc, custpt, tp, count);
1378
1379 custend:
1380 GdipFree(custptf);
1381 GdipFree(custpt);
1382 GdipFree(tp);
1383 GdipDeleteMatrix(matrix);
1384 break;
1385 default:
1386 break;
1387 }
1388
1389 if(!customstroke){
1390 SelectObject(graphics->hdc, oldbrush);
1391 SelectObject(graphics->hdc, oldpen);
1392 DeleteObject(brush);
1393 DeleteObject(pen);
1394 }
1395 }
1396
1397 /* Shortens the line by the given percent by changing x2, y2.
1398 * If percent is > 1.0 then the line will change direction.
1399 * If percent is negative it can lengthen the line. */
1400 static void shorten_line_percent(REAL x1, REAL y1, REAL *x2, REAL *y2, REAL percent)
1401 {
1402 REAL dist, theta, dx, dy;
1403
1404 if((y1 == *y2) && (x1 == *x2))
1405 return;
1406
1407 dist = sqrt((*x2 - x1) * (*x2 - x1) + (*y2 - y1) * (*y2 - y1)) * -percent;
1408 theta = gdiplus_atan2((*y2 - y1), (*x2 - x1));
1409 dx = cos(theta) * dist;
1410 dy = sin(theta) * dist;
1411
1412 *x2 = *x2 + dx;
1413 *y2 = *y2 + dy;
1414 }
1415
1416 /* Shortens the line by the given amount by changing x2, y2.
1417 * If the amount is greater than the distance, the line will become length 0.
1418 * If the amount is negative, it can lengthen the line. */
1419 static void shorten_line_amt(REAL x1, REAL y1, REAL *x2, REAL *y2, REAL amt)
1420 {
1421 REAL dx, dy, percent;
1422
1423 dx = *x2 - x1;
1424 dy = *y2 - y1;
1425 if(dx == 0 && dy == 0)
1426 return;
1427
1428 percent = amt / sqrt(dx * dx + dy * dy);
1429 if(percent >= 1.0){
1430 *x2 = x1;
1431 *y2 = y1;
1432 return;
1433 }
1434
1435 shorten_line_percent(x1, y1, x2, y2, percent);
1436 }
1437
1438 /* Draws lines between the given points, and if caps is true then draws an endcap
1439 * at the end of the last line. */
1440 static GpStatus draw_polyline(GpGraphics *graphics, GpPen *pen,
1441 GDIPCONST GpPointF * pt, INT count, BOOL caps)
1442 {
1443 POINT *pti = NULL;
1444 GpPointF *ptcopy = NULL;
1445 GpStatus status = GenericError;
1446
1447 if(!count)
1448 return Ok;
1449
1450 pti = GdipAlloc(count * sizeof(POINT));
1451 ptcopy = GdipAlloc(count * sizeof(GpPointF));
1452
1453 if(!pti || !ptcopy){
1454 status = OutOfMemory;
1455 goto end;
1456 }
1457
1458 memcpy(ptcopy, pt, count * sizeof(GpPointF));
1459
1460 if(caps){
1461 if(pen->endcap == LineCapArrowAnchor)
1462 shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
1463 &ptcopy[count-1].X, &ptcopy[count-1].Y, pen->width);
1464 else if((pen->endcap == LineCapCustom) && pen->customend)
1465 shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
1466 &ptcopy[count-1].X, &ptcopy[count-1].Y,
1467 pen->customend->inset * pen->width);
1468
1469 if(pen->startcap == LineCapArrowAnchor)
1470 shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
1471 &ptcopy[0].X, &ptcopy[0].Y, pen->width);
1472 else if((pen->startcap == LineCapCustom) && pen->customstart)
1473 shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
1474 &ptcopy[0].X, &ptcopy[0].Y,
1475 pen->customstart->inset * pen->width);
1476
1477 draw_cap(graphics, get_gdi_brush_color(pen->brush), pen->endcap, pen->width, pen->customend,
1478 pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X, pt[count - 1].Y);
1479 draw_cap(graphics, get_gdi_brush_color(pen->brush), pen->startcap, pen->width, pen->customstart,
1480 pt[1].X, pt[1].Y, pt[0].X, pt[0].Y);
1481 }
1482
1483 transform_and_round_points(graphics, pti, ptcopy, count);
1484
1485 if(Polyline(graphics->hdc, pti, count))
1486 status = Ok;
1487
1488 end:
1489 GdipFree(pti);
1490 GdipFree(ptcopy);
1491
1492 return status;
1493 }
1494
1495 /* Conducts a linear search to find the bezier points that will back off
1496 * the endpoint of the curve by a distance of amt. Linear search works
1497 * better than binary in this case because there are multiple solutions,
1498 * and binary searches often find a bad one. I don't think this is what
1499 * Windows does but short of rendering the bezier without GDI's help it's
1500 * the best we can do. If rev then work from the start of the passed points
1501 * instead of the end. */
1502 static void shorten_bezier_amt(GpPointF * pt, REAL amt, BOOL rev)
1503 {
1504 GpPointF origpt[4];
1505 REAL percent = 0.00, dx, dy, origx, origy, diff = -1.0;
1506 INT i, first = 0, second = 1, third = 2, fourth = 3;
1507
1508 if(rev){
1509 first = 3;
1510 second = 2;
1511 third = 1;
1512 fourth = 0;
1513 }
1514
1515 origx = pt[fourth].X;
1516 origy = pt[fourth].Y;
1517 memcpy(origpt, pt, sizeof(GpPointF) * 4);
1518
1519 for(i = 0; (i < MAX_ITERS) && (diff < amt); i++){
1520 /* reset bezier points to original values */
1521 memcpy(pt, origpt, sizeof(GpPointF) * 4);
1522 /* Perform magic on bezier points. Order is important here.*/
1523 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
1524 shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
1525 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
1526 shorten_line_percent(pt[first].X, pt[first].Y, &pt[second].X, &pt[second].Y, percent);
1527 shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
1528 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
1529
1530 dx = pt[fourth].X - origx;
1531 dy = pt[fourth].Y - origy;
1532
1533 diff = sqrt(dx * dx + dy * dy);
1534 percent += 0.0005 * amt;
1535 }
1536 }
1537
1538 /* Draws bezier curves between given points, and if caps is true then draws an
1539 * endcap at the end of the last line. */
1540 static GpStatus draw_polybezier(GpGraphics *graphics, GpPen *pen,
1541 GDIPCONST GpPointF * pt, INT count, BOOL caps)
1542 {
1543 POINT *pti;
1544 GpPointF *ptcopy;
1545 GpStatus status = GenericError;
1546
1547 if(!count)
1548 return Ok;
1549
1550 pti = GdipAlloc(count * sizeof(POINT));
1551 ptcopy = GdipAlloc(count * sizeof(GpPointF));
1552
1553 if(!pti || !ptcopy){
1554 status = OutOfMemory;
1555 goto end;
1556 }
1557
1558 memcpy(ptcopy, pt, count * sizeof(GpPointF));
1559
1560 if(caps){
1561 if(pen->endcap == LineCapArrowAnchor)
1562 shorten_bezier_amt(&ptcopy[count-4], pen->width, FALSE);
1563 else if((pen->endcap == LineCapCustom) && pen->customend)
1564 shorten_bezier_amt(&ptcopy[count-4], pen->width * pen->customend->inset,
1565 FALSE);
1566
1567 if(pen->startcap == LineCapArrowAnchor)
1568 shorten_bezier_amt(ptcopy, pen->width, TRUE);
1569 else if((pen->startcap == LineCapCustom) && pen->customstart)
1570 shorten_bezier_amt(ptcopy, pen->width * pen->customstart->inset, TRUE);
1571
1572 /* the direction of the line cap is parallel to the direction at the
1573 * end of the bezier (which, if it has been shortened, is not the same
1574 * as the direction from pt[count-2] to pt[count-1]) */
1575 draw_cap(graphics, get_gdi_brush_color(pen->brush), pen->endcap, pen->width, pen->customend,
1576 pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
1577 pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
1578 pt[count - 1].X, pt[count - 1].Y);
1579
1580 draw_cap(graphics, get_gdi_brush_color(pen->brush), pen->startcap, pen->width, pen->customstart,
1581 pt[0].X - (ptcopy[0].X - ptcopy[1].X),
1582 pt[0].Y - (ptcopy[0].Y - ptcopy[1].Y), pt[0].X, pt[0].Y);
1583 }
1584
1585 transform_and_round_points(graphics, pti, ptcopy, count);
1586
1587 PolyBezier(graphics->hdc, pti, count);
1588
1589 status = Ok;
1590
1591 end:
1592 GdipFree(pti);
1593 GdipFree(ptcopy);
1594
1595 return status;
1596 }
1597
1598 /* Draws a combination of bezier curves and lines between points. */
1599 static GpStatus draw_poly(GpGraphics *graphics, GpPen *pen, GDIPCONST GpPointF * pt,
1600 GDIPCONST BYTE * types, INT count, BOOL caps)
1601 {
1602 POINT *pti = GdipAlloc(count * sizeof(POINT));
1603 BYTE *tp = GdipAlloc(count);
1604 GpPointF *ptcopy = GdipAlloc(count * sizeof(GpPointF));
1605 INT i, j;
1606 GpStatus status = GenericError;
1607
1608 if(!count){
1609 status = Ok;
1610 goto end;
1611 }
1612 if(!pti || !tp || !ptcopy){
1613 status = OutOfMemory;
1614 goto end;
1615 }
1616
1617 for(i = 1; i < count; i++){
1618 if((types[i] & PathPointTypePathTypeMask) == PathPointTypeBezier){
1619 if((i + 2 >= count) || !(types[i + 1] & PathPointTypeBezier)
1620 || !(types[i + 1] & PathPointTypeBezier)){
1621 ERR("Bad bezier points\n");
1622 goto end;
1623 }
1624 i += 2;
1625 }
1626 }
1627
1628 memcpy(ptcopy, pt, count * sizeof(GpPointF));
1629
1630 /* If we are drawing caps, go through the points and adjust them accordingly,
1631 * and draw the caps. */
1632 if(caps){
1633 switch(types[count - 1] & PathPointTypePathTypeMask){
1634 case PathPointTypeBezier:
1635 if(pen->endcap == LineCapArrowAnchor)
1636 shorten_bezier_amt(&ptcopy[count - 4], pen->width, FALSE);
1637 else if((pen->endcap == LineCapCustom) && pen->customend)
1638 shorten_bezier_amt(&ptcopy[count - 4],
1639 pen->width * pen->customend->inset, FALSE);
1640
1641 draw_cap(graphics, get_gdi_brush_color(pen->brush), pen->endcap, pen->width, pen->customend,
1642 pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
1643 pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
1644 pt[count - 1].X, pt[count - 1].Y);
1645
1646 break;
1647 case PathPointTypeLine:
1648 if(pen->endcap == LineCapArrowAnchor)
1649 shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
1650 &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
1651 pen->width);
1652 else if((pen->endcap == LineCapCustom) && pen->customend)
1653 shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
1654 &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
1655 pen->customend->inset * pen->width);
1656
1657 draw_cap(graphics, get_gdi_brush_color(pen->brush), pen->endcap, pen->width, pen->customend,
1658 pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X,
1659 pt[count - 1].Y);
1660
1661 break;
1662 default:
1663 ERR("Bad path last point\n");
1664 goto end;
1665 }
1666
1667 /* Find start of points */
1668 for(j = 1; j < count && ((types[j] & PathPointTypePathTypeMask)
1669 == PathPointTypeStart); j++);
1670
1671 switch(types[j] & PathPointTypePathTypeMask){
1672 case PathPointTypeBezier:
1673 if(pen->startcap == LineCapArrowAnchor)
1674 shorten_bezier_amt(&ptcopy[j - 1], pen->width, TRUE);
1675 else if((pen->startcap == LineCapCustom) && pen->customstart)
1676 shorten_bezier_amt(&ptcopy[j - 1],
1677 pen->width * pen->customstart->inset, TRUE);
1678
1679 draw_cap(graphics, get_gdi_brush_color(pen->brush), pen->startcap, pen->width, pen->customstart,
1680 pt[j - 1].X - (ptcopy[j - 1].X - ptcopy[j].X),
1681 pt[j - 1].Y - (ptcopy[j - 1].Y - ptcopy[j].Y),
1682 pt[j - 1].X, pt[j - 1].Y);
1683
1684 break;
1685 case PathPointTypeLine:
1686 if(pen->startcap == LineCapArrowAnchor)
1687 shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
1688 &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
1689 pen->width);
1690 else if((pen->startcap == LineCapCustom) && pen->customstart)
1691 shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
1692 &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
1693 pen->customstart->inset * pen->width);
1694
1695 draw_cap(graphics, get_gdi_brush_color(pen->brush), pen->startcap, pen->width, pen->customstart,
1696 pt[j].X, pt[j].Y, pt[j - 1].X,
1697 pt[j - 1].Y);
1698
1699 break;
1700 default:
1701 ERR("Bad path points\n");
1702 goto end;
1703 }
1704 }
1705
1706 transform_and_round_points(graphics, pti, ptcopy, count);
1707
1708 for(i = 0; i < count; i++){
1709 tp[i] = convert_path_point_type(types[i]);
1710 }
1711
1712 PolyDraw(graphics->hdc, pti, tp, count);
1713
1714 status = Ok;
1715
1716 end:
1717 GdipFree(pti);
1718 GdipFree(ptcopy);
1719 GdipFree(tp);
1720
1721 return status;
1722 }
1723
1724 GpStatus trace_path(GpGraphics *graphics, GpPath *path)
1725 {
1726 GpStatus result;
1727
1728 BeginPath(graphics->hdc);
1729 result = draw_poly(graphics, NULL, path->pathdata.Points,
1730 path->pathdata.Types, path->pathdata.Count, FALSE);
1731 EndPath(graphics->hdc);
1732 return result;
1733 }
1734
1735 typedef struct _GraphicsContainerItem {
1736 struct list entry;
1737 GraphicsContainer contid;
1738
1739 SmoothingMode smoothing;
1740 CompositingQuality compqual;
1741 InterpolationMode interpolation;
1742 CompositingMode compmode;
1743 TextRenderingHint texthint;
1744 REAL scale;
1745 GpUnit unit;
1746 PixelOffsetMode pixeloffset;
1747 UINT textcontrast;
1748 GpMatrix* worldtrans;
1749 GpRegion* clip;
1750 } GraphicsContainerItem;
1751
1752 static GpStatus init_container(GraphicsContainerItem** container,
1753 GDIPCONST GpGraphics* graphics){
1754 GpStatus sts;
1755
1756 *container = GdipAlloc(sizeof(GraphicsContainerItem));
1757 if(!(*container))
1758 return OutOfMemory;
1759
1760 (*container)->contid = graphics->contid + 1;
1761
1762 (*container)->smoothing = graphics->smoothing;
1763 (*container)->compqual = graphics->compqual;
1764 (*container)->interpolation = graphics->interpolation;
1765 (*container)->compmode = graphics->compmode;
1766 (*container)->texthint = graphics->texthint;
1767 (*container)->scale = graphics->scale;
1768 (*container)->unit = graphics->unit;
1769 (*container)->textcontrast = graphics->textcontrast;
1770 (*container)->pixeloffset = graphics->pixeloffset;
1771
1772 sts = GdipCloneMatrix(graphics->worldtrans, &(*container)->worldtrans);
1773 if(sts != Ok){
1774 GdipFree(*container);
1775 *container = NULL;
1776 return sts;
1777 }
1778
1779 sts = GdipCloneRegion(graphics->clip, &(*container)->clip);
1780 if(sts != Ok){
1781 GdipDeleteMatrix((*container)->worldtrans);
1782 GdipFree(*container);
1783 *container = NULL;
1784 return sts;
1785 }
1786
1787 return Ok;
1788 }
1789
1790 static void delete_container(GraphicsContainerItem* container){
1791 GdipDeleteMatrix(container->worldtrans);
1792 GdipDeleteRegion(container->clip);
1793 GdipFree(container);
1794 }
1795
1796 static GpStatus restore_container(GpGraphics* graphics,
1797 GDIPCONST GraphicsContainerItem* container){
1798 GpStatus sts;
1799 GpMatrix *newTrans;
1800 GpRegion *newClip;
1801
1802 sts = GdipCloneMatrix(container->worldtrans, &newTrans);
1803 if(sts != Ok)
1804 return sts;
1805
1806 sts = GdipCloneRegion(container->clip, &newClip);
1807 if(sts != Ok){
1808 GdipDeleteMatrix(newTrans);
1809 return sts;
1810 }
1811
1812 GdipDeleteMatrix(graphics->worldtrans);
1813 graphics->worldtrans = newTrans;
1814
1815 GdipDeleteRegion(graphics->clip);
1816 graphics->clip = newClip;
1817
1818 graphics->contid = container->contid - 1;
1819
1820 graphics->smoothing = container->smoothing;
1821 graphics->compqual = container->compqual;
1822 graphics->interpolation = container->interpolation;
1823 graphics->compmode = container->compmode;
1824 graphics->texthint = container->texthint;
1825 graphics->scale = container->scale;
1826 graphics->unit = container->unit;
1827 graphics->textcontrast = container->textcontrast;
1828 graphics->pixeloffset = container->pixeloffset;
1829
1830 return Ok;
1831 }
1832
1833 static GpStatus get_graphics_bounds(GpGraphics* graphics, GpRectF* rect)
1834 {
1835 RECT wnd_rect;
1836 GpStatus stat=Ok;
1837 GpUnit unit;
1838
1839 if(graphics->hwnd) {
1840 if(!GetClientRect(graphics->hwnd, &wnd_rect))
1841 return GenericError;
1842
1843 rect->X = wnd_rect.left;
1844 rect->Y = wnd_rect.top;
1845 rect->Width = wnd_rect.right - wnd_rect.left;
1846 rect->Height = wnd_rect.bottom - wnd_rect.top;
1847 }else if (graphics->image){
1848 stat = GdipGetImageBounds(graphics->image, rect, &unit);
1849 if (stat == Ok && unit != UnitPixel)
1850 FIXME("need to convert from unit %i\n", unit);
1851 }else{
1852 rect->X = 0;
1853 rect->Y = 0;
1854 rect->Width = GetDeviceCaps(graphics->hdc, HORZRES);
1855 rect->Height = GetDeviceCaps(graphics->hdc, VERTRES);
1856 }
1857
1858 return stat;
1859 }
1860
1861 /* on success, rgn will contain the region of the graphics object which
1862 * is visible after clipping has been applied */
1863 static GpStatus get_visible_clip_region(GpGraphics *graphics, GpRegion *rgn)
1864 {
1865 GpStatus stat;
1866 GpRectF rectf;
1867 GpRegion* tmp;
1868
1869 if((stat = get_graphics_bounds(graphics, &rectf)) != Ok)
1870 return stat;
1871
1872 if((stat = GdipCreateRegion(&tmp)) != Ok)
1873 return stat;
1874
1875 if((stat = GdipCombineRegionRect(tmp, &rectf, CombineModeReplace)) != Ok)
1876 goto end;
1877
1878 if((stat = GdipCombineRegionRegion(tmp, graphics->clip, CombineModeIntersect)) != Ok)
1879 goto end;
1880
1881 stat = GdipCombineRegionRegion(rgn, tmp, CombineModeReplace);
1882
1883 end:
1884 GdipDeleteRegion(tmp);
1885 return stat;
1886 }
1887
1888 void get_font_hfont(GpGraphics *graphics, GDIPCONST GpFont *font, HFONT *hfont)
1889 {
1890 HDC hdc = CreateCompatibleDC(0);
1891 GpPointF pt[3];
1892 REAL angle, rel_width, rel_height;
1893 LOGFONTW lfw;
1894 HFONT unscaled_font;
1895 TEXTMETRICW textmet;
1896
1897 pt[0].X = 0.0;
1898 pt[0].Y = 0.0;
1899 pt[1].X = 1.0;
1900 pt[1].Y = 0.0;
1901 pt[2].X = 0.0;
1902 pt[2].Y = 1.0;
1903 if (graphics)
1904 GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, pt, 3);
1905 angle = -gdiplus_atan2((pt[1].Y - pt[0].Y), (pt[1].X - pt[0].X));
1906 rel_width = sqrt((pt[1].Y-pt[0].Y)*(pt[1].Y-pt[0].Y)+
1907 (pt[1].X-pt[0].X)*(pt[1].X-pt[0].X));
1908 rel_height = sqrt((pt[2].Y-pt[0].Y)*(pt[2].Y-pt[0].Y)+
1909 (pt[2].X-pt[0].X)*(pt[2].X-pt[0].X));
1910
1911 lfw = font->lfw;
1912 lfw.lfHeight = roundr(-font->pixel_size * rel_height);
1913 unscaled_font = CreateFontIndirectW(&lfw);
1914
1915 SelectObject(hdc, unscaled_font);
1916 GetTextMetricsW(hdc, &textmet);
1917
1918 lfw = font->lfw;
1919 lfw.lfHeight = roundr(-font->pixel_size * rel_height);
1920 lfw.lfWidth = roundr(textmet.tmAveCharWidth * rel_width / rel_height);
1921 lfw.lfEscapement = lfw.lfOrientation = roundr((angle / M_PI) * 1800.0);
1922
1923 *hfont = CreateFontIndirectW(&lfw);
1924
1925 DeleteDC(hdc);
1926 DeleteObject(unscaled_font);
1927 }
1928
1929 GpStatus WINGDIPAPI GdipCreateFromHDC(HDC hdc, GpGraphics **graphics)
1930 {
1931 TRACE("(%p, %p)\n", hdc, graphics);
1932
1933 return GdipCreateFromHDC2(hdc, NULL, graphics);
1934 }
1935
1936 GpStatus WINGDIPAPI GdipCreateFromHDC2(HDC hdc, HANDLE hDevice, GpGraphics **graphics)
1937 {
1938 GpStatus retval;
1939
1940 TRACE("(%p, %p, %p)\n", hdc, hDevice, graphics);
1941
1942 if(hDevice != NULL) {
1943 FIXME("Don't know how to handle parameter hDevice\n");
1944 return NotImplemented;
1945 }
1946
1947 if(hdc == NULL)
1948 return OutOfMemory;
1949
1950 if(graphics == NULL)
1951 return InvalidParameter;
1952
1953 *graphics = GdipAlloc(sizeof(GpGraphics));
1954 if(!*graphics) return OutOfMemory;
1955
1956 if((retval = GdipCreateMatrix(&(*graphics)->worldtrans)) != Ok){
1957 GdipFree(*graphics);
1958 return retval;
1959 }
1960
1961 if((retval = GdipCreateRegion(&(*graphics)->clip)) != Ok){
1962 GdipFree((*graphics)->worldtrans);
1963 GdipFree(*graphics);
1964 return retval;
1965 }
1966
1967 (*graphics)->hdc = hdc;
1968 (*graphics)->hwnd = WindowFromDC(hdc);
1969 (*graphics)->owndc = FALSE;
1970 (*graphics)->smoothing = SmoothingModeDefault;
1971 (*graphics)->compqual = CompositingQualityDefault;
1972 (*graphics)->interpolation = InterpolationModeBilinear;
1973 (*graphics)->pixeloffset = PixelOffsetModeDefault;
1974 (*graphics)->compmode = CompositingModeSourceOver;
1975 (*graphics)->unit = UnitDisplay;
1976 (*graphics)->scale = 1.0;
1977 (*graphics)->busy = FALSE;
1978 (*graphics)->textcontrast = 4;
1979 list_init(&(*graphics)->containers);
1980 (*graphics)->contid = 0;
1981
1982 TRACE("<-- %p\n", *graphics);
1983
1984 return Ok;
1985 }
1986
1987 GpStatus graphics_from_image(GpImage *image, GpGraphics **graphics)
1988 {
1989 GpStatus retval;
1990
1991 *graphics = GdipAlloc(sizeof(GpGraphics));
1992 if(!*graphics) return OutOfMemory;
1993
1994 if((retval = GdipCreateMatrix(&(*graphics)->worldtrans)) != Ok){
1995 GdipFree(*graphics);
1996 return retval;
1997 }
1998
1999 if((retval = GdipCreateRegion(&(*graphics)->clip)) != Ok){
2000 GdipFree((*graphics)->worldtrans);
2001 GdipFree(*graphics);
2002 return retval;
2003 }
2004
2005 (*graphics)->hdc = NULL;
2006 (*graphics)->hwnd = NULL;
2007 (*graphics)->owndc = FALSE;
2008 (*graphics)->image = image;
2009 (*graphics)->smoothing = SmoothingModeDefault;
2010 (*graphics)->compqual = CompositingQualityDefault;
2011 (*graphics)->interpolation = InterpolationModeBilinear;
2012 (*graphics)->pixeloffset = PixelOffsetModeDefault;
2013 (*graphics)->compmode = CompositingModeSourceOver;
2014 (*graphics)->unit = UnitDisplay;
2015 (*graphics)->scale = 1.0;
2016 (*graphics)->busy = FALSE;
2017 (*graphics)->textcontrast = 4;
2018 list_init(&(*graphics)->containers);
2019 (*graphics)->contid = 0;
2020
2021 TRACE("<-- %p\n", *graphics);
2022
2023 return Ok;
2024 }
2025
2026 GpStatus WINGDIPAPI GdipCreateFromHWND(HWND hwnd, GpGraphics **graphics)
2027 {
2028 GpStatus ret;
2029 HDC hdc;
2030
2031 TRACE("(%p, %p)\n", hwnd, graphics);
2032
2033 hdc = GetDC(hwnd);
2034
2035 if((ret = GdipCreateFromHDC(hdc, graphics)) != Ok)
2036 {
2037 ReleaseDC(hwnd, hdc);
2038 return ret;
2039 }
2040
2041 (*graphics)->hwnd = hwnd;
2042 (*graphics)->owndc = TRUE;
2043
2044 return Ok;
2045 }
2046
2047 /* FIXME: no icm handling */
2048 GpStatus WINGDIPAPI GdipCreateFromHWNDICM(HWND hwnd, GpGraphics **graphics)
2049 {
2050 TRACE("(%p, %p)\n", hwnd, graphics);
2051
2052 return GdipCreateFromHWND(hwnd, graphics);
2053 }
2054
2055 GpStatus WINGDIPAPI GdipCreateMetafileFromEmf(HENHMETAFILE hemf, BOOL delete,
2056 GpMetafile **metafile)
2057 {
2058 IStream *stream = NULL;
2059 UINT read;
2060 ENHMETAHEADER *copy;
2061 GpStatus retval = Ok;
2062
2063 TRACE("(%p,%i,%p)\n", hemf, delete, metafile);
2064
2065 if(!hemf || !metafile)
2066 return InvalidParameter;
2067
2068 read = GetEnhMetaFileBits(hemf, 0, NULL);
2069 copy = GdipAlloc(read);
2070 GetEnhMetaFileBits(hemf, read, (BYTE *)copy);
2071
2072 if(CreateStreamOnHGlobal(copy, TRUE, &stream) != S_OK){
2073 ERR("could not make stream\n");
2074 GdipFree(copy);
2075 retval = GenericError;
2076 goto err;
2077 }
2078
2079 *metafile = GdipAlloc(sizeof(GpMetafile));
2080 if(!*metafile){
2081 retval = OutOfMemory;
2082 goto err;
2083 }
2084
2085 if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
2086 (LPVOID*) &((*metafile)->image.picture)) != S_OK)
2087 {
2088 retval = GenericError;
2089 goto err;
2090 }
2091
2092
2093 (*metafile)->image.type = ImageTypeMetafile;
2094 memcpy(&(*metafile)->image.format, &ImageFormatWMF, sizeof(GUID));
2095 (*metafile)->image.palette_flags = 0;
2096 (*metafile)->image.palette_count = 0;
2097 (*metafile)->image.palette_size = 0;
2098 (*metafile)->image.palette_entries = NULL;
2099 (*metafile)->image.xres = (REAL)copy->szlDevice.cx;
2100 (*metafile)->image.yres = (REAL)copy->szlDevice.cy;
2101 (*metafile)->bounds.X = (REAL)copy->rclBounds.left;
2102 (*metafile)->bounds.Y = (REAL)copy->rclBounds.top;
2103 (*metafile)->bounds.Width = (REAL)(copy->rclBounds.right - copy->rclBounds.left);
2104 (*metafile)->bounds.Height = (REAL)(copy->rclBounds.bottom - copy->rclBounds.top);
2105 (*metafile)->unit = UnitPixel;
2106
2107 if(delete)
2108 DeleteEnhMetaFile(hemf);
2109
2110 TRACE("<-- %p\n", *metafile);
2111
2112 err:
2113 if (retval != Ok)
2114 GdipFree(*metafile);
2115 IStream_Release(stream);
2116 return retval;
2117 }
2118
2119 GpStatus WINGDIPAPI GdipCreateMetafileFromWmf(HMETAFILE hwmf, BOOL delete,
2120 GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
2121 {
2122 UINT read;
2123 BYTE *copy;
2124 HENHMETAFILE hemf;
2125 GpStatus retval = Ok;
2126
2127 TRACE("(%p, %d, %p, %p)\n", hwmf, delete, placeable, metafile);
2128
2129 if(!hwmf || !metafile || !placeable)
2130 return InvalidParameter;
2131
2132 *metafile = NULL;
2133 read = GetMetaFileBitsEx(hwmf, 0, NULL);
2134 if(!read)
2135 return GenericError;
2136 copy = GdipAlloc(read);
2137 GetMetaFileBitsEx(hwmf, read, copy);
2138
2139 hemf = SetWinMetaFileBits(read, copy, NULL, NULL);
2140 GdipFree(copy);
2141
2142 retval = GdipCreateMetafileFromEmf(hemf, FALSE, metafile);
2143
2144 if (retval == Ok)
2145 {
2146 (*metafile)->image.xres = (REAL)placeable->Inch;
2147 (*metafile)->image.yres = (REAL)placeable->Inch;
2148 (*metafile)->bounds.X = ((REAL)placeable->BoundingBox.Left) / ((REAL)placeable->Inch);
2149 (*metafile)->bounds.Y = ((REAL)placeable->BoundingBox.Top) / ((REAL)placeable->Inch);
2150 (*metafile)->bounds.Width = (REAL)(placeable->BoundingBox.Right -
2151 placeable->BoundingBox.Left);
2152 (*metafile)->bounds.Height = (REAL)(placeable->BoundingBox.Bottom -
2153 placeable->BoundingBox.Top);
2154
2155 if (delete) DeleteMetaFile(hwmf);
2156 }
2157 return retval;
2158 }
2159
2160 GpStatus WINGDIPAPI GdipCreateMetafileFromWmfFile(GDIPCONST WCHAR *file,
2161 GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
2162 {
2163 HMETAFILE hmf = GetMetaFileW(file);
2164
2165 TRACE("(%s, %p, %p)\n", debugstr_w(file), placeable, metafile);
2166
2167 if(!hmf) return InvalidParameter;
2168
2169 return GdipCreateMetafileFromWmf(hmf, TRUE, placeable, metafile);
2170 }
2171
2172 GpStatus WINGDIPAPI GdipCreateMetafileFromFile(GDIPCONST WCHAR *file,
2173 GpMetafile **metafile)
2174 {
2175 FIXME("(%p, %p): stub\n", file, metafile);
2176 return NotImplemented;
2177 }
2178
2179 GpStatus WINGDIPAPI GdipCreateMetafileFromStream(IStream *stream,
2180 GpMetafile **metafile)
2181 {
2182 FIXME("(%p, %p): stub\n", stream, metafile);
2183 return NotImplemented;
2184 }
2185
2186 GpStatus WINGDIPAPI GdipCreateStreamOnFile(GDIPCONST WCHAR * filename,
2187 UINT access, IStream **stream)
2188 {
2189 DWORD dwMode;
2190 HRESULT ret;
2191
2192 TRACE("(%s, %u, %p)\n", debugstr_w(filename), access, stream);
2193
2194 if(!stream || !filename)
2195 return InvalidParameter;
2196
2197 if(access & GENERIC_WRITE)
2198 dwMode = STGM_SHARE_DENY_WRITE | STGM_WRITE | STGM_CREATE;
2199 else if(access & GENERIC_READ)
2200 dwMode = STGM_SHARE_DENY_WRITE | STGM_READ | STGM_FAILIFTHERE;
2201 else
2202 return InvalidParameter;
2203
2204 ret = SHCreateStreamOnFileW(filename, dwMode, stream);
2205
2206 return hresult_to_status(ret);
2207 }
2208
2209 GpStatus WINGDIPAPI GdipDeleteGraphics(GpGraphics *graphics)
2210 {
2211 GraphicsContainerItem *cont, *next;
2212 GpStatus stat;
2213 TRACE("(%p)\n", graphics);
2214
2215 if(!graphics) return InvalidParameter;
2216 if(graphics->busy) return ObjectBusy;
2217
2218 if (graphics->image && graphics->image->type == ImageTypeMetafile)
2219 {
2220 stat = METAFILE_GraphicsDeleted((GpMetafile*)graphics->image);
2221 if (stat != Ok)
2222 return stat;
2223 }
2224
2225 if(graphics->owndc)
2226 ReleaseDC(graphics->hwnd, graphics->hdc);
2227
2228 LIST_FOR_EACH_ENTRY_SAFE(cont, next, &graphics->containers, GraphicsContainerItem, entry){
2229 list_remove(&cont->entry);
2230 delete_container(cont);
2231 }
2232
2233 GdipDeleteRegion(graphics->clip);
2234 GdipDeleteMatrix(graphics->worldtrans);
2235 GdipFree(graphics);
2236
2237 return Ok;
2238 }
2239
2240 GpStatus WINGDIPAPI GdipDrawArc(GpGraphics *graphics, GpPen *pen, REAL x,
2241 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
2242 {
2243 INT save_state, num_pts;
2244 GpPointF points[MAX_ARC_PTS];
2245 GpStatus retval;
2246
2247 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
2248 width, height, startAngle, sweepAngle);
2249
2250 if(!graphics || !pen || width <= 0 || height <= 0)
2251 return InvalidParameter;
2252
2253 if(graphics->busy)
2254 return ObjectBusy;
2255
2256 if (!graphics->hdc)
2257 {
2258 FIXME("graphics object has no HDC\n");
2259 return Ok;
2260 }
2261
2262 num_pts = arc2polybezier(points, x, y, width, height, startAngle, sweepAngle);
2263
2264 save_state = prepare_dc(graphics, pen);
2265
2266 retval = draw_polybezier(graphics, pen, points, num_pts, TRUE);
2267
2268 restore_dc(graphics, save_state);
2269
2270 return retval;
2271 }
2272
2273 GpStatus WINGDIPAPI GdipDrawArcI(GpGraphics *graphics, GpPen *pen, INT x,
2274 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
2275 {
2276 TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n", graphics, pen, x, y,
2277 width, height, startAngle, sweepAngle);
2278
2279 return GdipDrawArc(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
2280 }
2281
2282 GpStatus WINGDIPAPI GdipDrawBezier(GpGraphics *graphics, GpPen *pen, REAL x1,
2283 REAL y1, REAL x2, REAL y2, REAL x3, REAL y3, REAL x4, REAL y4)
2284 {
2285 INT save_state;
2286 GpPointF pt[4];
2287 GpStatus retval;
2288
2289 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1,
2290 x2, y2, x3, y3, x4, y4);
2291
2292 if(!graphics || !pen)
2293 return InvalidParameter;
2294
2295 if(graphics->busy)
2296 return ObjectBusy;
2297
2298 if (!graphics->hdc)
2299 {
2300 FIXME("graphics object has no HDC\n");
2301 return Ok;
2302 }
2303
2304 pt[0].X = x1;
2305 pt[0].Y = y1;
2306 pt[1].X = x2;
2307 pt[1].Y = y2;
2308 pt[2].X = x3;
2309 pt[2].Y = y3;
2310 pt[3].X = x4;
2311 pt[3].Y = y4;
2312
2313 save_state = prepare_dc(graphics, pen);
2314
2315 retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
2316
2317 restore_dc(graphics, save_state);
2318
2319 return retval;
2320 }
2321
2322 GpStatus WINGDIPAPI GdipDrawBezierI(GpGraphics *graphics, GpPen *pen, INT x1,
2323 INT y1, INT x2, INT y2, INT x3, INT y3, INT x4, INT y4)
2324 {
2325 INT save_state;
2326 GpPointF pt[4];
2327 GpStatus retval;
2328
2329 TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d)\n", graphics, pen, x1, y1,
2330 x2, y2, x3, y3, x4, y4);
2331
2332 if(!graphics || !pen)
2333 return InvalidParameter;
2334
2335 if(graphics->busy)
2336 return ObjectBusy;
2337
2338 if (!graphics->hdc)
2339 {
2340 FIXME("graphics object has no HDC\n");
2341 return Ok;
2342 }
2343
2344 pt[0].X = x1;
2345 pt[0].Y = y1;
2346 pt[1].X = x2;
2347 pt[1].Y = y2;
2348 pt[2].X = x3;
2349 pt[2].Y = y3;
2350 pt[3].X = x4;
2351 pt[3].Y = y4;
2352
2353 save_state = prepare_dc(graphics, pen);
2354
2355 retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
2356
2357 restore_dc(graphics, save_state);
2358
2359 return retval;
2360 }
2361
2362 GpStatus WINGDIPAPI GdipDrawBeziers(GpGraphics *graphics, GpPen *pen,
2363 GDIPCONST GpPointF *points, INT count)
2364 {
2365 INT i;
2366 GpStatus ret;
2367
2368 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2369
2370 if(!graphics || !pen || !points || (count <= 0))
2371 return InvalidParameter;
2372
2373 if(graphics->busy)
2374 return ObjectBusy;
2375
2376 for(i = 0; i < floor(count / 4); i++){
2377 ret = GdipDrawBezier(graphics, pen,
2378 points[4*i].X, points[4*i].Y,
2379 points[4*i + 1].X, points[4*i + 1].Y,
2380 points[4*i + 2].X, points[4*i + 2].Y,
2381 points[4*i + 3].X, points[4*i + 3].Y);
2382 if(ret != Ok)
2383 return ret;
2384 }
2385
2386 return Ok;
2387 }
2388
2389 GpStatus WINGDIPAPI GdipDrawBeziersI(GpGraphics *graphics, GpPen *pen,
2390 GDIPCONST GpPoint *points, INT count)
2391 {
2392 GpPointF *pts;
2393 GpStatus ret;
2394 INT i;
2395
2396 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2397
2398 if(!graphics || !pen || !points || (count <= 0))
2399 return InvalidParameter;
2400
2401 if(graphics->busy)
2402 return ObjectBusy;
2403
2404 pts = GdipAlloc(sizeof(GpPointF) * count);
2405 if(!pts)
2406 return OutOfMemory;
2407
2408 for(i = 0; i < count; i++){
2409 pts[i].X = (REAL)points[i].X;
2410 pts[i].Y = (REAL)points[i].Y;
2411 }
2412
2413 ret = GdipDrawBeziers(graphics,pen,pts,count);
2414
2415 GdipFree(pts);
2416
2417 return ret;
2418 }
2419
2420 GpStatus WINGDIPAPI GdipDrawClosedCurve(GpGraphics *graphics, GpPen *pen,
2421 GDIPCONST GpPointF *points, INT count)
2422 {
2423 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2424
2425 return GdipDrawClosedCurve2(graphics, pen, points, count, 1.0);
2426 }
2427
2428 GpStatus WINGDIPAPI GdipDrawClosedCurveI(GpGraphics *graphics, GpPen *pen,
2429 GDIPCONST GpPoint *points, INT count)
2430 {
2431 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2432
2433 return GdipDrawClosedCurve2I(graphics, pen, points, count, 1.0);
2434 }
2435
2436 GpStatus WINGDIPAPI GdipDrawClosedCurve2(GpGraphics *graphics, GpPen *pen,
2437 GDIPCONST GpPointF *points, INT count, REAL tension)
2438 {
2439 GpPath *path;
2440 GpStatus stat;
2441
2442 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2443
2444 if(!graphics || !pen || !points || count <= 0)
2445 return InvalidParameter;
2446
2447 if(graphics->busy)
2448 return ObjectBusy;
2449
2450 if((stat = GdipCreatePath(FillModeAlternate, &path)) != Ok)
2451 return stat;
2452
2453 stat = GdipAddPathClosedCurve2(path, points, count, tension);
2454 if(stat != Ok){
2455 GdipDeletePath(path);
2456 return stat;
2457 }
2458
2459 stat = GdipDrawPath(graphics, pen, path);
2460
2461 GdipDeletePath(path);
2462
2463 return stat;
2464 }
2465
2466 GpStatus WINGDIPAPI GdipDrawClosedCurve2I(GpGraphics *graphics, GpPen *pen,
2467 GDIPCONST GpPoint *points, INT count, REAL tension)
2468 {
2469 GpPointF *ptf;
2470 GpStatus stat;
2471 INT i;
2472
2473 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2474
2475 if(!points || count <= 0)
2476 return InvalidParameter;
2477
2478 ptf = GdipAlloc(sizeof(GpPointF)*count);
2479 if(!ptf)
2480 return OutOfMemory;
2481
2482 for(i = 0; i < count; i++){
2483 ptf[i].X = (REAL)points[i].X;
2484 ptf[i].Y = (REAL)points[i].Y;
2485 }
2486
2487 stat = GdipDrawClosedCurve2(graphics, pen, ptf, count, tension);
2488
2489 GdipFree(ptf);
2490
2491 return stat;
2492 }
2493
2494 GpStatus WINGDIPAPI GdipDrawCurve(GpGraphics *graphics, GpPen *pen,
2495 GDIPCONST GpPointF *points, INT count)
2496 {
2497 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2498
2499 return GdipDrawCurve2(graphics,pen,points,count,1.0);
2500 }
2501
2502 GpStatus WINGDIPAPI GdipDrawCurveI(GpGraphics *graphics, GpPen *pen,
2503 GDIPCONST GpPoint *points, INT count)
2504 {
2505 GpPointF *pointsF;
2506 GpStatus ret;
2507 INT i;
2508
2509 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2510
2511 if(!points)
2512 return InvalidParameter;
2513
2514 pointsF = GdipAlloc(sizeof(GpPointF)*count);
2515 if(!pointsF)
2516 return OutOfMemory;
2517
2518 for(i = 0; i < count; i++){
2519 pointsF[i].X = (REAL)points[i].X;
2520 pointsF[i].Y = (REAL)points[i].Y;
2521 }
2522
2523 ret = GdipDrawCurve(graphics,pen,pointsF,count);
2524 GdipFree(pointsF);
2525
2526 return ret;
2527 }
2528
2529 /* Approximates cardinal spline with Bezier curves. */
2530 GpStatus WINGDIPAPI GdipDrawCurve2(GpGraphics *graphics, GpPen *pen,
2531 GDIPCONST GpPointF *points, INT count, REAL tension)
2532 {
2533 /* PolyBezier expects count*3-2 points. */
2534 INT i, len_pt = count*3-2, save_state;
2535 GpPointF *pt;
2536 REAL x1, x2, y1, y2;
2537 GpStatus retval;
2538
2539 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2540
2541 if(!graphics || !pen)
2542 return InvalidParameter;
2543
2544 if(graphics->busy)
2545 return ObjectBusy;
2546
2547 if(count < 2)
2548 return InvalidParameter;
2549
2550 if (!graphics->hdc)
2551 {
2552 FIXME("graphics object has no HDC\n");
2553 return Ok;
2554 }
2555
2556 pt = GdipAlloc(len_pt * sizeof(GpPointF));
2557 if(!pt)
2558 return OutOfMemory;
2559
2560 tension = tension * TENSION_CONST;
2561
2562 calc_curve_bezier_endp(points[0].X, points[0].Y, points[1].X, points[1].Y,
2563 tension, &x1, &y1);
2564
2565 pt[0].X = points[0].X;
2566 pt[0].Y = points[0].Y;
2567 pt[1].X = x1;
2568 pt[1].Y = y1;
2569
2570 for(i = 0; i < count-2; i++){
2571 calc_curve_bezier(&(points[i]), tension, &x1, &y1, &x2, &y2);
2572
2573 pt[3*i+2].X = x1;
2574 pt[3*i+2].Y = y1;
2575 pt[3*i+3].X = points[i+1].X;
2576 pt[3*i+3].Y = points[i+1].Y;
2577 pt[3*i+4].X = x2;
2578 pt[3*i+4].Y = y2;
2579 }
2580
2581 calc_curve_bezier_endp(points[count-1].X, points[count-1].Y,
2582 points[count-2].X, points[count-2].Y, tension, &x1, &y1);
2583
2584 pt[len_pt-2].X = x1;
2585 pt[len_pt-2].Y = y1;
2586 pt[len_pt-1].X = points[count-1].X;
2587 pt[len_pt-1].Y = points[count-1].Y;
2588
2589 save_state = prepare_dc(graphics, pen);
2590
2591 retval = draw_polybezier(graphics, pen, pt, len_pt, TRUE);
2592
2593 GdipFree(pt);
2594 restore_dc(graphics, save_state);
2595
2596 return retval;
2597 }
2598
2599 GpStatus WINGDIPAPI GdipDrawCurve2I(GpGraphics *graphics, GpPen *pen,
2600 GDIPCONST GpPoint *points, INT count, REAL tension)
2601 {
2602 GpPointF *pointsF;
2603 GpStatus ret;
2604 INT i;
2605
2606 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2607
2608 if(!points)
2609 return InvalidParameter;
2610
2611 pointsF = GdipAlloc(sizeof(GpPointF)*count);
2612 if(!pointsF)
2613 return OutOfMemory;
2614
2615 for(i = 0; i < count; i++){
2616 pointsF[i].X = (REAL)points[i].X;
2617 pointsF[i].Y = (REAL)points[i].Y;
2618 }
2619
2620 ret = GdipDrawCurve2(graphics,pen,pointsF,count,tension);
2621 GdipFree(pointsF);
2622
2623 return ret;
2624 }
2625
2626 GpStatus WINGDIPAPI GdipDrawCurve3(GpGraphics *graphics, GpPen *pen,
2627 GDIPCONST GpPointF *points, INT count, INT offset, INT numberOfSegments,
2628 REAL tension)
2629 {
2630 TRACE("(%p, %p, %p, %d, %d, %d, %.2f)\n", graphics, pen, points, count, offset, numberOfSegments, tension);
2631
2632 if(offset >= count || numberOfSegments > count - offset - 1 || numberOfSegments <= 0){
2633 return InvalidParameter;
2634 }
2635
2636 return GdipDrawCurve2(graphics, pen, points + offset, numberOfSegments + 1, tension);
2637 }
2638
2639 GpStatus WINGDIPAPI GdipDrawCurve3I(GpGraphics *graphics, GpPen *pen,
2640 GDIPCONST GpPoint *points, INT count, INT offset, INT numberOfSegments,
2641 REAL tension)
2642 {
2643 TRACE("(%p, %p, %p, %d, %d, %d, %.2f)\n", graphics, pen, points, count, offset, numberOfSegments, tension);
2644
2645 if(count < 0){
2646 return OutOfMemory;
2647 }
2648
2649 if(offset >= count || numberOfSegments > count - offset - 1 || numberOfSegments <= 0){
2650 return InvalidParameter;
2651 }
2652
2653 return GdipDrawCurve2I(graphics, pen, points + offset, numberOfSegments + 1, tension);
2654 }
2655
2656 GpStatus WINGDIPAPI GdipDrawEllipse(GpGraphics *graphics, GpPen *pen, REAL x,
2657 REAL y, REAL width, REAL height)
2658 {
2659 INT save_state;
2660 GpPointF ptf[2];
2661 POINT pti[2];
2662
2663 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
2664
2665 if(!graphics || !pen)
2666 return InvalidParameter;
2667
2668 if(graphics->busy)
2669 return ObjectBusy;
2670
2671 if (!graphics->hdc)
2672 {
2673 FIXME("graphics object has no HDC\n");
2674 return Ok;
2675 }
2676
2677 ptf[0].X = x;
2678 ptf[0].Y = y;
2679 ptf[1].X = x + width;
2680 ptf[1].Y = y + height;
2681
2682 save_state = prepare_dc(graphics, pen);
2683 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
2684
2685 transform_and_round_points(graphics, pti, ptf, 2);
2686
2687 Ellipse(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y);
2688
2689 restore_dc(graphics, save_state);
2690
2691 return Ok;
2692 }
2693
2694 GpStatus WINGDIPAPI GdipDrawEllipseI(GpGraphics *graphics, GpPen *pen, INT x,
2695 INT y, INT width, INT height)
2696 {
2697 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
2698
2699 return GdipDrawEllipse(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
2700 }
2701
2702
2703 GpStatus WINGDIPAPI GdipDrawImage(GpGraphics *graphics, GpImage *image, REAL x, REAL y)
2704 {
2705 UINT width, height;
2706 GpPointF points[3];
2707
2708 TRACE("(%p, %p, %.2f, %.2f)\n", graphics, image, x, y);
2709
2710 if(!graphics || !image)
2711 return InvalidParameter;
2712
2713 GdipGetImageWidth(image, &width);
2714 GdipGetImageHeight(image, &height);
2715
2716 /* FIXME: we should use the graphics and image dpi, somehow */
2717
2718 points[0].X = points[2].X = x;
2719 points[0].Y = points[1].Y = y;
2720 points[1].X = x + width;
2721 points[2].Y = y + height;
2722
2723 return GdipDrawImagePointsRect(graphics, image, points, 3, 0, 0, width, height,
2724 UnitPixel, NULL, NULL, NULL);
2725 }
2726
2727 GpStatus WINGDIPAPI GdipDrawImageI(GpGraphics *graphics, GpImage *image, INT x,
2728 INT y)
2729 {
2730 TRACE("(%p, %p, %d, %d)\n", graphics, image, x, y);
2731
2732 return GdipDrawImage(graphics, image, (REAL)x, (REAL)y);
2733 }
2734
2735 GpStatus WINGDIPAPI GdipDrawImagePointRect(GpGraphics *graphics, GpImage *image,
2736 REAL x, REAL y, REAL srcx, REAL srcy, REAL srcwidth, REAL srcheight,
2737 GpUnit srcUnit)
2738 {
2739 GpPointF points[3];
2740 TRACE("(%p, %p, %f, %f, %f, %f, %f, %f, %d)\n", graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit);
2741
2742 points[0].X = points[2].X = x;
2743 points[0].Y = points[1].Y = y;
2744
2745 /* FIXME: convert image coordinates to Graphics coordinates? */
2746 points[1].X = x + srcwidth;
2747 points[2].Y = y + srcheight;
2748
2749 return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
2750 srcwidth, srcheight, srcUnit, NULL, NULL, NULL);
2751 }
2752
2753 GpStatus WINGDIPAPI GdipDrawImagePointRectI(GpGraphics *graphics, GpImage *image,
2754 INT x, INT y, INT srcx, INT srcy, INT srcwidth, INT srcheight,
2755 GpUnit srcUnit)
2756 {
2757 return GdipDrawImagePointRect(graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit);
2758 }
2759
2760 GpStatus WINGDIPAPI GdipDrawImagePoints(GpGraphics *graphics, GpImage *image,
2761 GDIPCONST GpPointF *dstpoints, INT count)
2762 {
2763 UINT width, height;
2764
2765 TRACE("(%p, %p, %p, %d)\n", graphics, image, dstpoints, count);
2766
2767 if(!image)
2768 return InvalidParameter;
2769
2770 GdipGetImageWidth(image, &width);
2771 GdipGetImageHeight(image, &height);
2772
2773 return GdipDrawImagePointsRect(graphics, image, dstpoints, count, 0, 0,
2774 width, height, UnitPixel, NULL, NULL, NULL);
2775 }
2776
2777 GpStatus WINGDIPAPI GdipDrawImagePointsI(GpGraphics *graphics, GpImage *image,
2778 GDIPCONST GpPoint *dstpoints, INT count)
2779 {
2780 GpPointF ptf[3];
2781
2782 TRACE("(%p, %p, %p, %d)\n", graphics, image, dstpoints, count);
2783
2784 if (count != 3 || !dstpoints)
2785 return InvalidParameter;
2786
2787 ptf[0].X = (REAL)dstpoints[0].X;
2788 ptf[0].Y = (REAL)dstpoints[0].Y;
2789 ptf[1].X = (REAL)dstpoints[1].X;
2790 ptf[1].Y = (REAL)dstpoints[1].Y;
2791 ptf[2].X = (REAL)dstpoints[2].X;
2792 ptf[2].Y = (REAL)dstpoints[2].Y;
2793
2794 return GdipDrawImagePoints(graphics, image, ptf, count);
2795 }
2796
2797 GpStatus WINGDIPAPI GdipDrawImagePointsRect(GpGraphics *graphics, GpImage *image,
2798 GDIPCONST GpPointF *points, INT count, REAL srcx, REAL srcy, REAL srcwidth,
2799 REAL srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
2800 DrawImageAbort callback, VOID * callbackData)
2801 {
2802 GpPointF ptf[4];
2803 POINT pti[4];
2804 REAL dx, dy;
2805 GpStatus stat;
2806
2807 TRACE("(%p, %p, %p, %d, %f, %f, %f, %f, %d, %p, %p, %p)\n", graphics, image, points,
2808 count, srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
2809 callbackData);
2810
2811 if (count > 3)
2812 return NotImplemented;
2813
2814 if(!graphics || !image || !points || count != 3)
2815 return InvalidParameter;
2816
2817 TRACE("%s %s %s\n", debugstr_pointf(&points[0]), debugstr_pointf(&points[1]),
2818 debugstr_pointf(&points[2]));
2819
2820 memcpy(ptf, points, 3 * sizeof(GpPointF));
2821 ptf[3].X = ptf[2].X + ptf[1].X - ptf[0].X;
2822 ptf[3].Y = ptf[2].Y + ptf[1].Y - ptf[0].Y;
2823 if (!srcwidth || !srcheight || ptf[3].X == ptf[0].X || ptf[3].Y == ptf[0].Y)
2824 return Ok;
2825 transform_and_round_points(graphics, pti, ptf, 4);
2826
2827 if (image->picture)
2828 {
2829 if (!graphics->hdc)
2830 {
2831 FIXME("graphics object has no HDC\n");
2832 }
2833
2834 /* FIXME: partially implemented (only works for rectangular parallelograms) */
2835 if(srcUnit == UnitInch)
2836 dx = dy = (REAL) INCH_HIMETRIC;
2837 else if(srcUnit == UnitPixel){
2838 dx = ((REAL) INCH_HIMETRIC) /
2839 ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSX));
2840 dy = ((REAL) INCH_HIMETRIC) /
2841 ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSY));
2842 }
2843 else
2844 return NotImplemented;
2845
2846 if(IPicture_Render(image->picture, graphics->hdc,
2847 pti[0].x, pti[0].y, pti[1].x - pti[0].x, pti[2].y - pti[0].y,
2848 srcx * dx, srcy * dy,
2849 srcwidth * dx, srcheight * dy,
2850 NULL) != S_OK){
2851 if(callback)
2852 callback(callbackData);
2853 return GenericError;
2854 }
2855 }
2856 else if (image->type == ImageTypeBitmap)
2857 {
2858 GpBitmap* bitmap = (GpBitmap*)image;
2859 int use_software=0;
2860
2861 if (srcUnit == UnitInch)
2862 dx = dy = 96.0; /* FIXME: use the image resolution */
2863 else if (srcUnit == UnitPixel)
2864 dx = dy = 1.0;
2865 else
2866 return NotImplemented;
2867
2868 srcx = srcx * dx;
2869 srcy = srcy * dy;
2870 srcwidth = srcwidth * dx;
2871 srcheight = srcheight * dy;
2872
2873 if (imageAttributes ||
2874 (graphics->image && graphics->image->type == ImageTypeBitmap) ||
2875 !((GpBitmap*)image)->hbitmap ||
2876 ptf[1].Y != ptf[0].Y || ptf[2].X != ptf[0].X ||
2877 ptf[1].X - ptf[0].X != srcwidth || ptf[2].Y - ptf[0].Y != srcheight ||
2878 srcx < 0 || srcy < 0 ||
2879 srcx + srcwidth > bitmap->width || srcy + srcheight > bitmap->height)
2880 use_software = 1;
2881
2882 if (use_software)
2883 {
2884 RECT dst_area;
2885 GpRect src_area;
2886 int i, x, y, src_stride, dst_stride;
2887 GpMatrix *dst_to_src;
2888 REAL m11, m12, m21, m22, mdx, mdy;
2889 LPBYTE src_data, dst_data;
2890 BitmapData lockeddata;
2891 InterpolationMode interpolation = graphics->interpolation;
2892 GpPointF dst_to_src_points[3] = {{0.0, 0.0}, {1.0, 0.0}, {0.0, 1.0}};
2893 REAL x_dx, x_dy, y_dx, y_dy;
2894 static const GpImageAttributes defaultImageAttributes = {WrapModeClamp, 0, FALSE};
2895
2896 if (!imageAttributes)
2897 imageAttributes = &defaultImageAttributes;
2898
2899 dst_area.left = dst_area.right = pti[0].x;
2900 dst_area.top = dst_area.bottom = pti[0].y;
2901 for (i=1; i<4; i++)
2902 {
2903 if (dst_area.left > pti[i].x) dst_area.left = pti[i].x;
2904 if (dst_area.right < pti[i].x) dst_area.right = pti[i].x;
2905 if (dst_area.top > pti[i].y) dst_area.top = pti[i].y;
2906 if (dst_area.bottom < pti[i].y) dst_area.bottom = pti[i].y;
2907 }
2908
2909 m11 = (ptf[1].X - ptf[0].X) / srcwidth;
2910 m21 = (ptf[2].X - ptf[0].X) / srcheight;
2911 mdx = ptf[0].X - m11 * srcx - m21 * srcy;
2912 m12 = (ptf[1].Y - ptf[0].Y) / srcwidth;
2913 m22 = (ptf[2].Y - ptf[0].Y) / srcheight;
2914 mdy = ptf[0].Y - m12 * srcx - m22 * srcy;
2915
2916 stat = GdipCreateMatrix2(m11, m12, m21, m22, mdx, mdy, &dst_to_src);
2917 if (stat != Ok) return stat;
2918
2919 stat = GdipInvertMatrix(dst_to_src);
2920 if (stat != Ok)
2921 {
2922 GdipDeleteMatrix(dst_to_src);
2923 return stat;
2924 }
2925
2926 dst_data = GdipAlloc(sizeof(ARGB) * (dst_area.right - dst_area.left) * (dst_area.bottom - dst_area.top));
2927 if (!dst_data)
2928 {
2929 GdipDeleteMatrix(dst_to_src);
2930 return OutOfMemory;
2931 }
2932
2933 dst_stride = sizeof(ARGB) * (dst_area.right - dst_area.left);
2934
2935 get_bitmap_sample_size(interpolation, imageAttributes->wrap,
2936 bitmap, srcx, srcy, srcwidth, srcheight, &src_area);
2937
2938 src_data = GdipAlloc(sizeof(ARGB) * src_area.Width * src_area.Height);
2939 if (!src_data)
2940 {
2941 GdipFree(dst_data);
2942 GdipDeleteMatrix(dst_to_src);
2943 return OutOfMemory;
2944 }
2945 src_stride = sizeof(ARGB) * src_area.Width;
2946
2947 /* Read the bits we need from the source bitmap into an ARGB buffer. */
2948 lockeddata.Width = src_area.Width;
2949 lockeddata.Height = src_area.Height;
2950 lockeddata.Stride = src_stride;
2951 lockeddata.PixelFormat = PixelFormat32bppARGB;
2952 lockeddata.Scan0 = src_data;
2953
2954 stat = GdipBitmapLockBits(bitmap, &src_area, ImageLockModeRead|ImageLockModeUserInputBuf,
2955 PixelFormat32bppARGB, &lockeddata);
2956
2957 if (stat == Ok)
2958 stat = GdipBitmapUnlockBits(bitmap, &lockeddata);
2959
2960 if (stat != Ok)
2961 {
2962 if (src_data != dst_data)
2963 GdipFree(src_data);
2964 GdipFree(dst_data);
2965 GdipDeleteMatrix(dst_to_src);
2966 return OutOfMemory;
2967 }
2968
2969 apply_image_attributes(imageAttributes, src_data,
2970 src_area.Width, src_area.Height,
2971 src_stride, ColorAdjustTypeBitmap);
2972
2973 /* Transform the bits as needed to the destination. */
2974 GdipTransformMatrixPoints(dst_to_src, dst_to_src_points, 3);
2975
2976 x_dx = dst_to_src_points[1].X - dst_to_src_points[0].X;
2977 x_dy = dst_to_src_points[1].Y - dst_to_src_points[0].Y;
2978 y_dx = dst_to_src_points[2].X - dst_to_src_points[0].X;
2979 y_dy = dst_to_src_points[2].Y - dst_to_src_points[0].Y;
2980
2981 for (x=dst_area.left; x<dst_area.right; x++)
2982 {
2983 for (y=dst_area.top; y<dst_area.bottom; y++)
2984 {
2985 GpPointF src_pointf;
2986 ARGB *dst_color;
2987
2988 src_pointf.X = dst_to_src_points[0].X + x * x_dx + y * y_dx;
2989 src_pointf.Y = dst_to_src_points[0].Y + x * x_dy + y * y_dy;
2990
2991 dst_color = (ARGB*)(dst_data + dst_stride * (y - dst_area.top) + sizeof(ARGB) * (x - dst_area.left));
2992
2993 if (src_pointf.X >= srcx && src_pointf.X < srcx + srcwidth && src_pointf.Y >= srcy && src_pointf.Y < srcy+srcheight)
2994 *dst_color = resample_bitmap_pixel(&src_area, src_data, bitmap->width, bitmap->height, &src_pointf, imageAttributes, interpolation);
2995 else
2996 *dst_color = 0;
2997 }
2998 }
2999
3000 GdipDeleteMatrix(dst_to_src);
3001
3002 GdipFree(src_data);
3003
3004 stat = alpha_blend_pixels(graphics, dst_area.left, dst_area.top,
3005 dst_data, dst_area.right - dst_area.left, dst_area.bottom - dst_area.top, dst_stride);
3006
3007 GdipFree(dst_data);
3008
3009 return stat;
3010 }
3011 else
3012 {
3013 HDC hdc;
3014 int temp_hdc=0, temp_bitmap=0;
3015 HBITMAP hbitmap, old_hbm=NULL;
3016
3017 if (!(bitmap->format == PixelFormat16bppRGB555 ||
3018 bitmap->format == PixelFormat24bppRGB ||
3019 bitmap->format == PixelFormat32bppRGB ||
3020 bitmap->format == PixelFormat32bppPARGB))
3021 {
3022 BITMAPINFOHEADER bih;
3023 BYTE *temp_bits;
3024 PixelFormat dst_format;
3025
3026 /* we can't draw a bitmap of this format directly */
3027 hdc = CreateCompatibleDC(0);
3028 temp_hdc = 1;
3029 temp_bitmap = 1;
3030
3031 bih.biSize = sizeof(BITMAPINFOHEADER);
3032 bih.biWidth = bitmap->width;
3033 bih.biHeight = -bitmap->height;
3034 bih.biPlanes = 1;
3035 bih.biBitCount = 32;
3036 bih.biCompression = BI_RGB;
3037 bih.biSizeImage = 0;
3038 bih.biXPelsPerMeter = 0;
3039 bih.biYPelsPerMeter = 0;
3040 bih.biClrUsed = 0;
3041 bih.biClrImportant = 0;
3042
3043 hbitmap = CreateDIBSection(hdc, (BITMAPINFO*)&bih, DIB_RGB_COLORS,
3044 (void**)&temp_bits, NULL, 0);
3045
3046 if (bitmap->format & (PixelFormatAlpha|PixelFormatPAlpha))
3047 dst_format = PixelFormat32bppPARGB;
3048 else
3049 dst_format = PixelFormat32bppRGB;
3050
3051 convert_pixels(bitmap->width, bitmap->height,
3052 bitmap->width*4, temp_bits, dst_format,
3053 bitmap->stride, bitmap->bits, bitmap->format, bitmap->image.palette_entries);
3054 }
3055 else
3056 {
3057 hbitmap = bitmap->hbitmap;
3058 hdc = bitmap->hdc;
3059 temp_hdc = (hdc == 0);
3060 }
3061
3062 if (temp_hdc)
3063 {
3064 if (!hdc) hdc = CreateCompatibleDC(0);
3065 old_hbm = SelectObject(hdc, hbitmap);
3066 }
3067
3068 if (bitmap->format & (PixelFormatAlpha|PixelFormatPAlpha))
3069 {
3070 BLENDFUNCTION bf;
3071
3072 bf.BlendOp = AC_SRC_OVER;
3073 bf.BlendFlags = 0;
3074 bf.SourceConstantAlpha = 255;
3075 bf.AlphaFormat = AC_SRC_ALPHA;
3076
3077 GdiAlphaBlend(graphics->hdc, pti[0].x, pti[0].y, pti[1].x-pti[0].x, pti[2].y-pti[0].y,
3078 hdc, srcx, srcy, srcwidth, srcheight, bf);
3079 }
3080 else
3081 {
3082 StretchBlt(graphics->hdc, pti[0].x, pti[0].y, pti[1].x-pti[0].x, pti[2].y-pti[0].y,
3083 hdc, srcx, srcy, srcwidth, srcheight, SRCCOPY);
3084 }
3085
3086 if (temp_hdc)
3087 {
3088 SelectObject(hdc, old_hbm);
3089 DeleteDC(hdc);
3090 }
3091
3092 if (temp_bitmap)
3093 DeleteObject(hbitmap);
3094 }
3095 }
3096 else
3097 {
3098 ERR("GpImage with no IPicture or HBITMAP?!\n");
3099 return NotImplemented;
3100 }
3101
3102 return Ok;
3103 }
3104
3105 GpStatus WINGDIPAPI GdipDrawImagePointsRectI(GpGraphics *graphics, GpImage *image,
3106 GDIPCONST GpPoint *points, INT count, INT srcx, INT srcy, INT srcwidth,
3107 INT srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
3108 DrawImageAbort callback, VOID * callbackData)
3109 {
3110 GpPointF pointsF[3];
3111 INT i;
3112
3113 TRACE("(%p, %p, %p, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n", graphics, image, points, count,
3114 srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
3115 callbackData);
3116
3117 if(!points || count!=3)
3118 return InvalidParameter;
3119
3120 for(i = 0; i < count; i++){
3121 pointsF[i].X = (REAL)points[i].X;
3122 pointsF[i].Y = (REAL)points[i].Y;
3123 }
3124
3125 return GdipDrawImagePointsRect(graphics, image, pointsF, count, (REAL)srcx, (REAL)srcy,
3126 (REAL)srcwidth, (REAL)srcheight, srcUnit, imageAttributes,
3127 callback, callbackData);
3128 }
3129
3130 GpStatus WINGDIPAPI GdipDrawImageRectRect(GpGraphics *graphics, GpImage *image,
3131 REAL dstx, REAL dsty, REAL dstwidth, REAL dstheight, REAL srcx, REAL srcy,
3132 REAL srcwidth, REAL srcheight, GpUnit srcUnit,
3133 GDIPCONST GpImageAttributes* imageattr, DrawImageAbort callback,
3134 VOID * callbackData)
3135 {
3136 GpPointF points[3];
3137
3138 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %d, %p, %p, %p)\n",
3139 graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
3140 srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
3141
3142 points[0].X = dstx;
3143 points[0].Y = dsty;
3144 points[1].X = dstx + dstwidth;
3145 points[1].Y = dsty;
3146 points[2].X = dstx;
3147 points[2].Y = dsty + dstheight;
3148
3149 return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
3150 srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
3151 }
3152
3153 GpStatus WINGDIPAPI GdipDrawImageRectRectI(GpGraphics *graphics, GpImage *image,
3154 INT dstx, INT dsty, INT dstwidth, INT dstheight, INT srcx, INT srcy,
3155 INT srcwidth, INT srcheight, GpUnit srcUnit,
3156 GDIPCONST GpImageAttributes* imageAttributes, DrawImageAbort callback,
3157 VOID * callbackData)
3158 {
3159 GpPointF points[3];
3160
3161 TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n",
3162 graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
3163 srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
3164
3165 points[0].X = dstx;
3166 points[0].Y = dsty;
3167 points[1].X = dstx + dstwidth;
3168 points[1].Y = dsty;
3169 points[2].X = dstx;
3170 points[2].Y = dsty + dstheight;
3171
3172 return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
3173 srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
3174 }
3175
3176 GpStatus WINGDIPAPI GdipDrawImageRect(GpGraphics *graphics, GpImage *image,
3177 REAL x, REAL y, REAL width, REAL height)
3178 {
3179 RectF bounds;
3180 GpUnit unit;
3181 GpStatus ret;
3182
3183 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, image, x, y, width, height);
3184
3185 if(!graphics || !image)
3186 return InvalidParameter;
3187
3188 ret = GdipGetImageBounds(image, &bounds, &unit);
3189 if(ret != Ok)
3190 return ret;
3191
3192 return GdipDrawImageRectRect(graphics, image, x, y, width, height,
3193 bounds.X, bounds.Y, bounds.Width, bounds.Height,
3194 unit, NULL, NULL, NULL);
3195 }
3196
3197 GpStatus WINGDIPAPI GdipDrawImageRectI(GpGraphics *graphics, GpImage *image,
3198 INT x, INT y, INT width, INT height)
3199 {
3200 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, image, x, y, width, height);
3201
3202 return GdipDrawImageRect(graphics, image, (REAL)x, (REAL)y, (REAL)width, (REAL)height);
3203 }
3204
3205 GpStatus WINGDIPAPI GdipDrawLine(GpGraphics *graphics, GpPen *pen, REAL x1,
3206 REAL y1, REAL x2, REAL y2)
3207 {
3208 INT save_state;
3209 GpPointF pt[2];
3210 GpStatus retval;
3211
3212 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1, x2, y2);
3213
3214 if(!pen || !graphics)
3215 return InvalidParameter;
3216
3217 if(graphics->busy)
3218 return ObjectBusy;
3219
3220 if (!graphics->hdc)
3221 {
3222 FIXME("graphics object has no HDC\n");
3223 return Ok;
3224 }
3225
3226 pt[0].X = x1;
3227 pt[0].Y = y1;
3228 pt[1].X = x2;
3229 pt[1].Y = y2;
3230
3231 save_state = prepare_dc(graphics, pen);
3232
3233 retval = draw_polyline(graphics, pen, pt, 2, TRUE);
3234
3235 restore_dc(graphics, save_state);
3236
3237 return retval;
3238 }
3239
3240 GpStatus WINGDIPAPI GdipDrawLineI(GpGraphics *graphics, GpPen *pen, INT x1,
3241 INT y1, INT x2, INT y2)
3242 {
3243 INT save_state;
3244 GpPointF pt[2];
3245 GpStatus retval;
3246
3247 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x1, y1, x2, y2);
3248
3249 if(!pen || !graphics)
3250 return InvalidParameter;
3251
3252 if(graphics->busy)
3253 return ObjectBusy;
3254
3255 if (!graphics->hdc)
3256 {
3257 FIXME("graphics object has no HDC\n");
3258 return Ok;
3259 }
3260
3261 pt[0].X = (REAL)x1;
3262 pt[0].Y = (REAL)y1;
3263 pt[1].X = (REAL)x2;
3264 pt[1].Y = (REAL)y2;
3265
3266 save_state = prepare_dc(graphics, pen);
3267
3268 retval = draw_polyline(graphics, pen, pt, 2, TRUE);
3269
3270 restore_dc(graphics, save_state);
3271
3272 return retval;
3273 }
3274
3275 GpStatus WINGDIPAPI GdipDrawLines(GpGraphics *graphics, GpPen *pen, GDIPCONST
3276 GpPointF *points, INT count)
3277 {
3278 INT save_state;
3279 GpStatus retval;
3280
3281 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
3282
3283 if(!pen || !graphics || (count < 2))
3284 return InvalidParameter;
3285
3286 if(graphics->busy)
3287 return ObjectBusy;
3288
3289 if (!graphics->hdc)
3290 {
3291 FIXME("graphics object has no HDC\n");
3292 return Ok;
3293 }
3294
3295 save_state = prepare_dc(graphics, pen);
3296
3297 retval = draw_polyline(graphics, pen, points, count, TRUE);
3298
3299 restore_dc(graphics, save_state);
3300
3301 return retval;
3302 }
3303
3304 GpStatus WINGDIPAPI GdipDrawLinesI(GpGraphics *graphics, GpPen *pen, GDIPCONST
3305 GpPoint *points, INT count)
3306 {
3307 INT save_state;
3308 GpStatus retval;
3309 GpPointF *ptf = NULL;
3310 int i;
3311
3312 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
3313
3314 if(!pen || !graphics || (count < 2))
3315 return InvalidParameter;
3316
3317 if(graphics->busy)
3318 return ObjectBusy;
3319
3320 if (!graphics->hdc)
3321 {
3322 FIXME("graphics object has no HDC\n");
3323 return Ok;
3324 }
3325
3326 ptf = GdipAlloc(count * sizeof(GpPointF));
3327 if(!ptf) return OutOfMemory;
3328
3329 for(i = 0; i < count; i ++){
3330 ptf[i].X = (REAL) points[i].X;
3331 ptf[i].Y = (REAL) points[i].Y;
3332 }
3333
3334 save_state = prepare_dc(graphics, pen);
3335
3336 retval = draw_polyline(graphics, pen, ptf, count, TRUE);
3337
3338 restore_dc(graphics, save_state);
3339
3340 GdipFree(ptf);
3341 return retval;
3342 }
3343
3344 GpStatus WINGDIPAPI GdipDrawPath(GpGraphics *graphics, GpPen *pen, GpPath *path)
3345 {
3346 INT save_state;
3347 GpStatus retval;
3348
3349 TRACE("(%p, %p, %p)\n", graphics, pen, path);
3350
3351 if(!pen || !graphics)
3352 return InvalidParameter;
3353
3354 if(graphics->busy)
3355 return ObjectBusy;
3356
3357 if (!graphics->hdc)
3358 {
3359 FIXME("graphics object has no HDC\n");
3360 return Ok;
3361 }
3362
3363 save_state = prepare_dc(graphics, pen);
3364
3365 retval = draw_poly(graphics, pen, path->pathdata.Points,
3366 path->pathdata.Types, path->pathdata.Count, TRUE);
3367
3368 restore_dc(graphics, save_state);
3369
3370 return retval;
3371 }
3372
3373 GpStatus WINGDIPAPI GdipDrawPie(GpGraphics *graphics, GpPen *pen, REAL x,
3374 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
3375 {
3376 INT save_state;
3377
3378 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
3379 width, height, startAngle, sweepAngle);
3380
3381 if(!graphics || !pen)
3382 return InvalidParameter;
3383
3384 if(graphics->busy)
3385 return ObjectBusy;
3386
3387 if (!graphics->hdc)
3388 {
3389 FIXME("graphics object has no HDC\n");
3390 return Ok;
3391 }
3392
3393 save_state = prepare_dc(graphics, pen);
3394 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
3395
3396 draw_pie(graphics, x, y, width, height, startAngle, sweepAngle);
3397
3398 restore_dc(graphics, save_state);
3399
3400 return Ok;
3401 }
3402
3403 GpStatus WINGDIPAPI GdipDrawPieI(GpGraphics *graphics, GpPen *pen, INT x,
3404 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
3405 {
3406 TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n", graphics, pen, x, y,
3407 width, height, startAngle, sweepAngle);
3408
3409 return GdipDrawPie(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
3410 }
3411
3412 GpStatus WINGDIPAPI GdipDrawRectangle(GpGraphics *graphics, GpPen *pen, REAL x,
3413 REAL y, REAL width, REAL height)
3414 {
3415 INT save_state;
3416 GpPointF ptf[4];
3417 POINT pti[4];
3418
3419 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
3420
3421 if(!pen || !graphics)
3422 return InvalidParameter;
3423
3424 if(graphics->busy)
3425 return ObjectBusy;
3426
3427 if (!graphics->hdc)
3428 {
3429 FIXME("graphics object has no HDC\n");
3430 return Ok;
3431 }
3432
3433 ptf[0].X = x;
3434 ptf[0].Y = y;
3435 ptf[1].X = x + width;
3436 ptf[1].Y = y;
3437 ptf[2].X = x + width;
3438 ptf[2].Y = y + height;
3439 ptf[3].X = x;
3440 ptf[3].Y = y + height;
3441
3442 save_state = prepare_dc(graphics, pen);
3443 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
3444
3445 transform_and_round_points(graphics, pti, ptf, 4);
3446 Polygon(graphics->hdc, pti, 4);
3447
3448 restore_dc(graphics, save_state);
3449
3450 return Ok;
3451 }
3452
3453 GpStatus WINGDIPAPI GdipDrawRectangleI(GpGraphics *graphics, GpPen *pen, INT x,
3454 INT y, INT width, INT height)
3455 {
3456 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
3457
3458 return GdipDrawRectangle(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
3459 }
3460
3461 GpStatus WINGDIPAPI GdipDrawRectangles(GpGraphics *graphics, GpPen *pen,
3462 GDIPCONST GpRectF* rects, INT count)
3463 {
3464 GpPointF *ptf;
3465 POINT *pti;
3466 INT save_state, i;
3467
3468 TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
3469
3470 if(!graphics || !pen || !rects || count < 1)
3471 return InvalidParameter;
3472
3473 if(graphics->busy)
3474 return ObjectBusy;
3475
3476 if (!graphics->hdc)
3477 {
3478 FIXME("graphics object has no HDC\n");
3479 return Ok;
3480 }
3481
3482 ptf = GdipAlloc(4 * count * sizeof(GpPointF));
3483 pti = GdipAlloc(4 * count * sizeof(POINT));
3484
3485 if(!ptf || !pti){
3486 GdipFree(ptf);
3487 GdipFree(pti);
3488 return OutOfMemory;
3489 }
3490
3491 for(i = 0; i < count; i++){
3492 ptf[4 * i + 3].X = ptf[4 * i].X = rects[i].X;
3493 ptf[4 * i + 1].Y = ptf[4 * i].Y = rects[i].Y;
3494 ptf[4 * i + 2].X = ptf[4 * i + 1].X = rects[i].X + rects[i].Width;
3495 ptf[4 * i + 3].Y = ptf[4 * i + 2].Y = rects[i].Y + rects[i].Height;
3496 }
3497
3498 save_state = prepare_dc(graphics, pen);
3499 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
3500
3501 transform_and_round_points(graphics, pti, ptf, 4 * count);
3502
3503 for(i = 0; i < count; i++)
3504 Polygon(graphics->hdc, &pti[4 * i], 4);
3505
3506 restore_dc(graphics, save_state);
3507
3508 GdipFree(ptf);
3509 GdipFree(pti);
3510
3511 return Ok;
3512 }
3513
3514 GpStatus WINGDIPAPI GdipDrawRectanglesI(GpGraphics *graphics, GpPen *pen,
3515 GDIPCONST GpRect* rects, INT count)
3516 {
3517 GpRectF *rectsF;
3518 GpStatus ret;
3519 INT i;
3520
3521 TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
3522
3523 if(!rects || count<=0)
3524 return InvalidParameter;
3525
3526 rectsF = GdipAlloc(sizeof(GpRectF) * count);
3527 if(!rectsF)
3528 return OutOfMemory;
3529
3530 for(i = 0;i < count;i++){
3531 rectsF[i].X = (REAL)rects[i].X;
3532 rectsF[i].Y = (REAL)rects[i].Y;
3533 rectsF[i].Width = (REAL)rects[i].Width;
3534 rectsF[i].Height = (REAL)rects[i].Height;
3535 }
3536
3537 ret = GdipDrawRectangles(graphics, pen, rectsF, count);
3538 GdipFree(rectsF);
3539
3540 return ret;
3541 }
3542
3543 GpStatus WINGDIPAPI GdipFillClosedCurve2(GpGraphics *graphics, GpBrush *brush,
3544 GDIPCONST GpPointF *points, INT count, REAL tension, GpFillMode fill)
3545 {
3546 GpPath *path;
3547 GpStatus stat;
3548
3549 TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
3550 count, tension, fill);
3551
3552 if(!graphics || !brush || !points)
3553 return InvalidParameter;
3554
3555 if(graphics->busy)
3556 return ObjectBusy;
3557
3558 if(count == 1) /* Do nothing */
3559 return Ok;
3560
3561 stat = GdipCreatePath(fill, &path);
3562 if(stat != Ok)
3563 return stat;
3564
3565 stat = GdipAddPathClosedCurve2(path, points, count, tension);
3566 if(stat != Ok){
3567 GdipDeletePath(path);
3568 return stat;
3569 }
3570
3571 stat = GdipFillPath(graphics, brush, path);
3572 if(stat != Ok){
3573 GdipDeletePath(path);
3574 return stat;
3575 }
3576
3577 GdipDeletePath(path);
3578
3579 return Ok;
3580 }
3581
3582 GpStatus WINGDIPAPI GdipFillClosedCurve2I(GpGraphics *graphics, GpBrush *brush,
3583 GDIPCONST GpPoint *points, INT count, REAL tension, GpFillMode fill)
3584 {
3585 GpPointF *ptf;
3586 GpStatus stat;
3587 INT i;
3588
3589 TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
3590 count, tension, fill);
3591
3592 if(!points || count == 0)
3593 return InvalidParameter;
3594
3595 if(count == 1) /* Do nothing */
3596 return Ok;
3597
3598 ptf = GdipAlloc(sizeof(GpPointF)*count);
3599 if(!ptf)
3600 return OutOfMemory;
3601
3602 for(i = 0;i < count;i++){
3603 ptf[i].X = (REAL)points[i].X;
3604 ptf[i].Y = (REAL)points[i].Y;
3605 }
3606
3607 stat = GdipFillClosedCurve2(graphics, brush, ptf, count, tension, fill);
3608
3609 GdipFree(ptf);
3610
3611 return stat;
3612 }
3613
3614 GpStatus WINGDIPAPI GdipFillClosedCurve(GpGraphics *graphics, GpBrush *brush,
3615 GDIPCONST GpPointF *points, INT count)
3616 {
3617 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
3618 return GdipFillClosedCurve2(graphics, brush, points, count,
3619 0.5f, FillModeAlternate);
3620 }
3621
3622 GpStatus WINGDIPAPI GdipFillClosedCurveI(GpGraphics *graphics, GpBrush *brush,
3623 GDIPCONST GpPoint *points, INT count)
3624 {
3625 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
3626 return GdipFillClosedCurve2I(graphics, brush, points, count,
3627 0.5f, FillModeAlternate);
3628 }
3629
3630 GpStatus WINGDIPAPI GdipFillEllipse(GpGraphics *graphics, GpBrush *brush, REAL x,
3631 REAL y, REAL width, REAL height)
3632 {
3633 GpStatus stat;
3634 GpPath *path;
3635
3636 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
3637
3638 if(!graphics || !brush)
3639 return InvalidParameter;
3640
3641 if(graphics->busy)
3642 return ObjectBusy;
3643
3644 stat = GdipCreatePath(FillModeAlternate, &path);
3645
3646 if (stat == Ok)
3647 {
3648 stat = GdipAddPathEllipse(path, x, y, width, height);
3649
3650 if (stat == Ok)
3651 stat = GdipFillPath(graphics, brush, path);
3652
3653 GdipDeletePath(path);
3654 }
3655
3656 return stat;
3657 }
3658
3659 GpStatus WINGDIPAPI GdipFillEllipseI(GpGraphics *graphics, GpBrush *brush, INT x,
3660 INT y, INT width, INT height)
3661 {
3662 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
3663
3664 return GdipFillEllipse(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
3665 }
3666
3667 static GpStatus GDI32_GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
3668 {
3669 INT save_state;
3670 GpStatus retval;
3671
3672 if(!graphics->hdc || !brush_can_fill_path(brush))
3673 return NotImplemented;
3674
3675 save_state = SaveDC(graphics->hdc);
3676 EndPath(graphics->hdc);
3677 SetPolyFillMode(graphics->hdc, (path->fill == FillModeAlternate ? ALTERNATE
3678 : WINDING));
3679
3680 BeginPath(graphics->hdc);
3681 retval = draw_poly(graphics, NULL, path->pathdata.Points,
3682 path->pathdata.Types, path->pathdata.Count, FALSE);
3683
3684 if(retval != Ok)
3685 goto end;
3686
3687 EndPath(graphics->hdc);
3688 brush_fill_path(graphics, brush);
3689
3690 retval = Ok;
3691
3692 end:
3693 RestoreDC(graphics->hdc, save_state);
3694
3695 return retval;
3696 }
3697
3698 static GpStatus SOFTWARE_GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
3699 {
3700 GpStatus stat;
3701 GpRegion *rgn;
3702
3703 if (!brush_can_fill_pixels(brush))
3704 return NotImplemented;
3705
3706 /* FIXME: This could probably be done more efficiently without regions. */
3707
3708 stat = GdipCreateRegionPath(path, &rgn);
3709
3710 if (stat == Ok)
3711 {
3712 stat = GdipFillRegion(graphics, brush, rgn);
3713
3714 GdipDeleteRegion(rgn);
3715 }
3716
3717 return stat;
3718 }
3719
3720 GpStatus WINGDIPAPI GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
3721 {
3722 GpStatus stat = NotImplemented;
3723
3724 TRACE("(%p, %p, %p)\n", graphics, brush, path);
3725
3726 if(!brush || !graphics || !path)
3727 return InvalidParameter;
3728
3729 if(graphics->busy)
3730 return ObjectBusy;
3731
3732 if (!graphics->image)
3733 stat = GDI32_GdipFillPath(graphics, brush, path);
3734
3735 if (stat == NotImplemented)
3736 stat = SOFTWARE_GdipFillPath(graphics, brush, path);
3737
3738 if (stat == NotImplemented)
3739 {
3740 FIXME("Not implemented for brushtype %i\n", brush->bt);
3741 stat = Ok;
3742 }
3743
3744 return stat;
3745 }
3746
3747 GpStatus WINGDIPAPI GdipFillPie(GpGraphics *graphics, GpBrush *brush, REAL x,
3748 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
3749 {
3750 GpStatus stat;
3751 GpPath *path;
3752
3753 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n",
3754 graphics, brush, x, y, width, height, startAngle, sweepAngle);
3755
3756 if(!graphics || !brush)
3757 return InvalidParameter;
3758
3759 if(graphics->busy)
3760 return ObjectBusy;
3761
3762 stat = GdipCreatePath(FillModeAlternate, &path);
3763
3764 if (stat == Ok)
3765 {
3766 stat = GdipAddPathPie(path, x, y, width, height, startAngle, sweepAngle);
3767
3768 if (stat == Ok)
3769 stat = GdipFillPath(graphics, brush, path);
3770
3771 GdipDeletePath(path);
3772 }
3773
3774 return stat;
3775 }
3776
3777 GpStatus WINGDIPAPI GdipFillPieI(GpGraphics *graphics, GpBrush *brush, INT x,
3778 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
3779 {
3780 TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n",
3781 graphics, brush, x, y, width, height, startAngle, sweepAngle);
3782
3783 return GdipFillPie(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
3784 }
3785
3786 GpStatus WINGDIPAPI GdipFillPolygon(GpGraphics *graphics, GpBrush *brush,
3787 GDIPCONST GpPointF *points, INT count, GpFillMode fillMode)
3788 {
3789 GpStatus stat;
3790 GpPath *path;
3791
3792 TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
3793
3794 if(!graphics || !brush || !points || !count)
3795 return InvalidParameter;
3796
3797 if(graphics->busy)
3798 return ObjectBusy;
3799
3800 stat = GdipCreatePath(fillMode, &path);
3801
3802 if (stat == Ok)
3803 {
3804 stat = GdipAddPathPolygon(path, points, count);
3805
3806 if (stat == Ok)
3807 stat = GdipFillPath(graphics, brush, path);
3808
3809 GdipDeletePath(path);
3810 }
3811
3812 return stat;
3813 }
3814
3815 GpStatus WINGDIPAPI GdipFillPolygonI(GpGraphics *graphics, GpBrush *brush,
3816 GDIPCONST GpPoint *points, INT count, GpFillMode fillMode)
3817 {
3818 GpStatus stat;
3819 GpPath *path;
3820
3821 TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
3822
3823 if(!graphics || !brush || !points || !count)
3824 return InvalidParameter;
3825
3826 if(graphics->busy)
3827 return ObjectBusy;
3828
3829 stat = GdipCreatePath(fillMode, &path);
3830
3831 if (stat == Ok)
3832 {
3833 stat = GdipAddPathPolygonI(path, points, count);
3834
3835 if (stat == Ok)
3836 stat = GdipFillPath(graphics, brush, path);
3837
3838 GdipDeletePath(path);
3839 }
3840
3841 return stat;
3842 }
3843
3844 GpStatus WINGDIPAPI GdipFillPolygon2(GpGraphics *graphics, GpBrush *brush,
3845 GDIPCONST GpPointF *points, INT count)
3846 {
3847 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
3848
3849 return GdipFillPolygon(graphics, brush, points, count, FillModeAlternate);
3850 }
3851
3852 GpStatus WINGDIPAPI GdipFillPolygon2I(GpGraphics *graphics, GpBrush *brush,
3853 GDIPCONST GpPoint *points, INT count)
3854 {
3855 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
3856
3857 return GdipFillPolygonI(graphics, brush, points, count, FillModeAlternate);
3858 }
3859
3860 GpStatus WINGDIPAPI GdipFillRectangle(GpGraphics *graphics, GpBrush *brush,
3861 REAL x, REAL y, REAL width, REAL height)
3862 {
3863 GpStatus stat;
3864 GpPath *path;
3865
3866 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
3867
3868 if(!graphics || !brush)
3869 return InvalidParameter;
3870
3871 if(graphics->busy)
3872 return ObjectBusy;
3873
3874 stat = GdipCreatePath(FillModeAlternate, &path);
3875
3876 if (stat == Ok)
3877 {
3878 stat = GdipAddPathRectangle(path, x, y, width, height);
3879
3880 if (stat == Ok)
3881 stat = GdipFillPath(graphics, brush, path);
3882
3883 GdipDeletePath(path);
3884 }
3885
3886 return stat;
3887 }
3888
3889 GpStatus WINGDIPAPI GdipFillRectangleI(GpGraphics *graphics, GpBrush *brush,
3890 INT x, INT y, INT width, INT height)
3891 {
3892 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
3893
3894 return GdipFillRectangle(graphics, brush, x, y, width, height);
3895 }
3896
3897 GpStatus WINGDIPAPI GdipFillRectangles(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRectF *rects,
3898 INT count)
3899 {
3900 GpStatus ret;
3901 INT i;
3902
3903 TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
3904
3905 if(!rects)
3906 return InvalidParameter;
3907
3908 for(i = 0; i < count; i++){
3909 ret = GdipFillRectangle(graphics, brush, rects[i].X, rects[i].Y, rects[i].Width, rects[i].Height);
3910 if(ret != Ok) return ret;
3911 }
3912
3913 return Ok;
3914 }
3915
3916 GpStatus WINGDIPAPI GdipFillRectanglesI(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRect *rects,
3917 INT count)
3918 {
3919 GpRectF *rectsF;
3920 GpStatus ret;
3921 INT i;
3922
3923 TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
3924
3925 if(!rects || count <= 0)
3926 return InvalidParameter;
3927
3928 rectsF = GdipAlloc(sizeof(GpRectF)*count);
3929 if(!rectsF)
3930 return OutOfMemory;
3931
3932 for(i = 0; i < count; i++){
3933 rectsF[i].X = (REAL)rects[i].X;
3934 rectsF[i].Y = (REAL)rects[i].Y;
3935 rectsF[i].X = (REAL)rects[i].Width;
3936 rectsF[i].Height = (REAL)rects[i].Height;
3937 }
3938
3939 ret = GdipFillRectangles(graphics,brush,rectsF,count);
3940 GdipFree(rectsF);
3941
3942 return ret;
3943 }
3944
3945 static GpStatus GDI32_GdipFillRegion(GpGraphics* graphics, GpBrush* brush,
3946 GpRegion* region)
3947 {
3948 INT save_state;
3949 GpStatus status;
3950 HRGN hrgn;
3951 RECT rc;
3952
3953 if(!graphics->hdc || !brush_can_fill_path(brush))
3954 return NotImplemented;
3955
3956 status = GdipGetRegionHRgn(region, graphics, &hrgn);
3957 if(status != Ok)
3958 return status;
3959
3960 save_state = SaveDC(graphics->hdc);
3961 EndPath(graphics->hdc);
3962
3963 ExtSelectClipRgn(graphics->hdc, hrgn, RGN_AND);
3964
3965 if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
3966 {
3967 BeginPath(graphics->hdc);
3968 Rectangle(graphics->hdc, rc.left, rc.top, rc.right, rc.bottom);
3969 EndPath(graphics->hdc);
3970
3971 brush_fill_path(graphics, brush);
3972 }
3973
3974 RestoreDC(graphics->hdc, save_state);
3975
3976 DeleteObject(hrgn);
3977
3978 return Ok;
3979 }
3980
3981 static GpStatus SOFTWARE_GdipFillRegion(GpGraphics *graphics, GpBrush *brush,
3982 GpRegion* region)
3983 {
3984 GpStatus stat;
3985 GpRegion *temp_region;
3986 GpMatrix *world_to_device;
3987 GpRectF graphics_bounds;
3988 DWORD *pixel_data;
3989 HRGN hregion;
3990 RECT bound_rect;
3991 GpRect gp_bound_rect;
3992
3993 if (!brush_can_fill_pixels(brush))
3994 return NotImplemented;
3995
3996 stat = get_graphics_bounds(graphics, &graphics_bounds);
3997
3998 if (stat == Ok)
3999 stat = GdipCloneRegion(region, &temp_region);
4000
4001 if (stat == Ok)
4002 {
4003 stat = get_graphics_transform(graphics, CoordinateSpaceDevice,
4004 CoordinateSpaceWorld, &world_to_device);
4005
4006 if (stat == Ok)
4007 {
4008 stat = GdipTransformRegion(temp_region, world_to_device);
4009
4010 GdipDeleteMatrix(world_to_device);
4011 }
4012
4013 if (stat == Ok)
4014 stat = GdipCombineRegionRect(temp_region, &graphics_bounds, CombineModeIntersect);
4015
4016 if (stat == Ok)
4017 stat = GdipGetRegionHRgn(temp_region, NULL, &hregion);
4018
4019 GdipDeleteRegion(temp_region);
4020 }
4021
4022 if (stat == Ok && GetRgnBox(hregion, &bound_rect) == NULLREGION)
4023 {
4024 DeleteObject(hregion);
4025 return Ok;
4026 }
4027
4028 if (stat == Ok)
4029 {
4030 gp_bound_rect.X = bound_rect.left;
4031 gp_bound_rect.Y = bound_rect.top;
4032 gp_bound_rect.Width = bound_rect.right - bound_rect.left;
4033 gp_bound_rect.Height = bound_rect.bottom - bound_rect.top;
4034
4035 pixel_data = GdipAlloc(sizeof(*pixel_data) * gp_bound_rect.Width * gp_bound_rect.Height);
4036 if (!pixel_data)
4037 stat = OutOfMemory;
4038
4039 if (stat == Ok)
4040 {
4041 stat = brush_fill_pixels(graphics, brush, pixel_data,
4042 &gp_bound_rect, gp_bound_rect.Width);
4043
4044 if (stat == Ok)
4045 stat = alpha_blend_pixels_hrgn(graphics, gp_bound_rect.X,
4046 gp_bound_rect.Y, (BYTE*)pixel_data, gp_bound_rect.Width,
4047 gp_bound_rect.Height, gp_bound_rect.Width * 4, hregion);
4048
4049 GdipFree(pixel_data);
4050 }
4051
4052 DeleteObject(hregion);
4053 }
4054
4055 return stat;
4056 }
4057
4058 /*****************************************************************************
4059 * GdipFillRegion [GDIPLUS.@]
4060 */
4061 GpStatus WINGDIPAPI GdipFillRegion(GpGraphics* graphics, GpBrush* brush,
4062 GpRegion* region)
4063 {
4064 GpStatus stat = NotImplemented;
4065
4066 TRACE("(%p, %p, %p)\n", graphics, brush, region);
4067
4068 if (!(graphics && brush && region))
4069 return InvalidParameter;
4070
4071 if(graphics->busy)
4072 return ObjectBusy;
4073
4074 if (!graphics->image)
4075 stat = GDI32_GdipFillRegion(graphics, brush, region);
4076
4077 if (stat == NotImplemented)
4078 stat = SOFTWARE_GdipFillRegion(graphics, brush, region);
4079
4080 if (stat == NotImplemented)
4081 {
4082 FIXME("not implemented for brushtype %i\n", brush->bt);
4083 stat = Ok;
4084 }
4085
4086 return stat;
4087 }
4088
4089 GpStatus WINGDIPAPI GdipFlush(GpGraphics *graphics, GpFlushIntention intention)
4090 {
4091 TRACE("(%p,%u)\n", graphics, intention);
4092
4093 if(!graphics)
4094 return InvalidParameter;
4095
4096 if(graphics->busy)
4097 return ObjectBusy;
4098
4099 /* We have no internal operation queue, so there's no need to clear it. */
4100
4101 if (graphics->hdc)
4102 GdiFlush();
4103
4104 return Ok;
4105 }
4106
4107 /*****************************************************************************
4108 * GdipGetClipBounds [GDIPLUS.@]
4109 */
4110 GpStatus WINGDIPAPI GdipGetClipBounds(GpGraphics *graphics, GpRectF *rect)
4111 {
4112 TRACE("(%p, %p)\n", graphics, rect);
4113
4114 if(!graphics)
4115 return InvalidParameter;
4116
4117 if(graphics->busy)
4118 return ObjectBusy;
4119
4120 return GdipGetRegionBounds(graphics->clip, graphics, rect);
4121 }
4122
4123 /*****************************************************************************
4124 * GdipGetClipBoundsI [GDIPLUS.@]
4125 */
4126 GpStatus WINGDIPAPI GdipGetClipBoundsI(GpGraphics *graphics, GpRect *rect)
4127 {
4128 TRACE("(%p, %p)\n", graphics, rect);
4129
4130 if(!graphics)
4131 return InvalidParameter;
4132
4133 if(graphics->busy)
4134 return ObjectBusy;
4135
4136 return GdipGetRegionBoundsI(graphics->clip, graphics, rect);
4137 }
4138
4139 /* FIXME: Compositing mode is not used anywhere except the getter/setter. */
4140 GpStatus WINGDIPAPI GdipGetCompositingMode(GpGraphics *graphics,
4141 CompositingMode *mode)
4142 {
4143 TRACE("(%p, %p)\n", graphics, mode);
4144
4145 if(!graphics || !mode)
4146 return InvalidParameter;
4147
4148 if(graphics->busy)
4149 return ObjectBusy;
4150
4151 *mode = graphics->compmode;
4152
4153 return Ok;
4154 }
4155
4156 /* FIXME: Compositing quality is not used anywhere except the getter/setter. */
4157 GpStatus WINGDIPAPI GdipGetCompositingQuality(GpGraphics *graphics,
4158 CompositingQuality *quality)
4159 {
4160 TRACE("(%p, %p)\n", graphics, quality);
4161
4162 if(!graphics || !quality)
4163 return InvalidParameter;
4164
4165 if(graphics->busy)
4166 return ObjectBusy;
4167
4168 *quality = graphics->compqual;
4169
4170 return Ok;
4171 }
4172
4173 /* FIXME: Interpolation mode is not used anywhere except the getter/setter. */
4174 GpStatus WINGDIPAPI GdipGetInterpolationMode(GpGraphics *graphics,
4175 InterpolationMode *mode)
4176 {
4177 TRACE("(%p, %p)\n", graphics, mode);
4178
4179 if(!graphics || !mode)
4180 return InvalidParameter;
4181
4182 if(graphics->busy)
4183 return ObjectBusy;
4184
4185 *mode = graphics->interpolation;
4186
4187 return Ok;
4188 }
4189
4190 /* FIXME: Need to handle color depths less than 24bpp */
4191 GpStatus WINGDIPAPI GdipGetNearestColor(GpGraphics *graphics, ARGB* argb)
4192 {
4193 FIXME("(%p, %p): Passing color unmodified\n", graphics, argb);
4194
4195 if(!graphics || !argb)
4196 return InvalidParameter;
4197
4198 if(graphics->busy)
4199 return ObjectBusy;
4200
4201 return Ok;
4202 }
4203
4204 GpStatus WINGDIPAPI GdipGetPageScale(GpGraphics *graphics, REAL *scale)
4205 {
4206 TRACE("(%p, %p)\n", graphics, scale);
4207
4208 if(!graphics || !scale)
4209 return InvalidParameter;
4210
4211 if(graphics->busy)
4212 return ObjectBusy;
4213
4214 *scale = graphics->scale;
4215
4216 return Ok;
4217 }
4218
4219 GpStatus WINGDIPAPI GdipGetPageUnit(GpGraphics *graphics, GpUnit *unit)
4220 {
4221 TRACE("(%p, %p)\n", graphics, unit);
4222
4223 if(!graphics || !unit)
4224 return InvalidParameter;
4225
4226 if(graphics->busy)
4227 return ObjectBusy;
4228
4229 *unit = graphics->unit;
4230
4231 return Ok;
4232 }
4233
4234 /* FIXME: Pixel offset mode is not used anywhere except the getter/setter. */
4235 GpStatus WINGDIPAPI GdipGetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
4236 *mode)
4237 {
4238 TRACE("(%p, %p)\n", graphics, mode);
4239
4240 if(!graphics || !mode)
4241 return InvalidParameter;
4242
4243 if(graphics->busy)
4244 return ObjectBusy;
4245
4246 *mode = graphics->pixeloffset;
4247
4248 return Ok;
4249 }
4250
4251 /* FIXME: Smoothing mode is not used anywhere except the getter/setter. */
4252 GpStatus WINGDIPAPI GdipGetSmoothingMode(GpGraphics *graphics, SmoothingMode *mode)
4253 {
4254 TRACE("(%p, %p)\n", graphics, mode);
4255
4256 if(!graphics || !mode)
4257 return InvalidParameter;
4258
4259 if(graphics->busy)
4260 return ObjectBusy;
4261
4262 *mode = graphics->smoothing;
4263
4264 return Ok;
4265 }
4266
4267 GpStatus WINGDIPAPI GdipGetTextContrast(GpGraphics *graphics, UINT *contrast)
4268 {
4269 TRACE("(%p, %p)\n", graphics, contrast);
4270
4271 if(!graphics || !contrast)
4272 return InvalidParameter;
4273
4274 *contrast = graphics->textcontrast;
4275
4276 return Ok;
4277 }
4278
4279 /* FIXME: Text rendering hint is not used anywhere except the getter/setter. */
4280 GpStatus WINGDIPAPI GdipGetTextRenderingHint(GpGraphics *graphics,
4281 TextRenderingHint *hint)
4282 {
4283 TRACE("(%p, %p)\n", graphics, hint);
4284
4285 if(!graphics || !hint)
4286 return InvalidParameter;
4287
4288 if(graphics->busy)
4289 return ObjectBusy;
4290
4291 *hint = graphics->texthint;
4292
4293 return Ok;
4294 }
4295
4296 GpStatus WINGDIPAPI GdipGetVisibleClipBounds(GpGraphics *graphics, GpRectF *rect)
4297 {
4298 GpRegion *clip_rgn;
4299 GpStatus stat;
4300
4301 TRACE("(%p, %p)\n", graphics, rect);
4302
4303 if(!graphics || !rect)
4304 return InvalidParameter;
4305
4306 if(graphics->busy)
4307 return ObjectBusy;
4308
4309 /* intersect window and graphics clipping regions */
4310 if((stat = GdipCreateRegion(&clip_rgn)) != Ok)
4311 return stat;
4312
4313 if((stat = get_visible_clip_region(graphics, clip_rgn)) != Ok)
4314 goto cleanup;
4315
4316 /* get bounds of the region */
4317 stat = GdipGetRegionBounds(clip_rgn, graphics, rect);
4318
4319 cleanup:
4320 GdipDeleteRegion(clip_rgn);
4321
4322 return stat;
4323 }
4324
4325 GpStatus WINGDIPAPI GdipGetVisibleClipBoundsI(GpGraphics *graphics, GpRect *rect)
4326 {
4327 GpRectF rectf;
4328 GpStatus stat;
4329
4330 TRACE("(%p, %p)\n", graphics, rect);
4331
4332 if(!graphics || !rect)
4333 return InvalidParameter;
4334
4335 if((stat = GdipGetVisibleClipBounds(graphics, &rectf)) == Ok)
4336 {
4337 rect->X = roundr(rectf.X);
4338 rect->Y = roundr(rectf.Y);
4339 rect->Width = roundr(rectf.Width);
4340 rect->Height = roundr(rectf.Height);
4341 }
4342
4343 return stat;
4344 }
4345
4346 GpStatus WINGDIPAPI GdipGetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
4347 {
4348 TRACE("(%p, %p)\n", graphics, matrix);
4349
4350 if(!graphics || !matrix)
4351 return InvalidParameter;
4352
4353 if(graphics->busy)
4354 return ObjectBusy;
4355
4356 *matrix = *graphics->worldtrans;
4357 return Ok;
4358 }
4359
4360 GpStatus WINGDIPAPI GdipGraphicsClear(GpGraphics *graphics, ARGB color)
4361 {
4362 GpSolidFill *brush;
4363 GpStatus stat;
4364 GpRectF wnd_rect;
4365
4366 TRACE("(%p, %x)\n", graphics, color);
4367
4368 if(!graphics)
4369 return InvalidParameter;
4370
4371 if(graphics->busy)
4372 return ObjectBusy;
4373
4374 if((stat = GdipCreateSolidFill(color, &brush)) != Ok)
4375 return stat;
4376
4377 if((stat = get_graphics_bounds(graphics, &wnd_rect)) != Ok){
4378 GdipDeleteBrush((GpBrush*)brush);
4379 return stat;
4380 }
4381
4382 GdipFillRectangle(graphics, (GpBrush*)brush, wnd_rect.X, wnd_rect.Y,
4383 wnd_rect.Width, wnd_rect.Height);
4384
4385 GdipDeleteBrush((GpBrush*)brush);
4386
4387 return Ok;
4388 }
4389
4390 GpStatus WINGDIPAPI GdipIsClipEmpty(GpGraphics *graphics, BOOL *res)
4391 {
4392 TRACE("(%p, %p)\n", graphics, res);
4393
4394 if(!graphics || !res)
4395 return InvalidParameter;
4396
4397 return GdipIsEmptyRegion(graphics->clip, graphics, res);
4398 }
4399
4400 GpStatus WINGDIPAPI GdipIsVisiblePoint(GpGraphics *graphics, REAL x, REAL y, BOOL *result)
4401 {
4402 GpStatus stat;
4403 GpRegion* rgn;
4404 GpPointF pt;
4405
4406 TRACE("(%p, %.2f, %.2f, %p)\n", graphics, x, y, result);
4407
4408 if(!graphics || !result)
4409 return InvalidParameter;
4410
4411 if(graphics->busy)
4412 return ObjectBusy;
4413
4414 pt.X = x;
4415 pt.Y = y;
4416 if((stat = GdipTransformPoints(graphics, CoordinateSpaceDevice,
4417 CoordinateSpaceWorld, &pt, 1)) != Ok)
4418 return stat;
4419
4420 if((stat = GdipCreateRegion(&rgn)) != Ok)
4421 return stat;
4422
4423 if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
4424 goto cleanup;
4425
4426 stat = GdipIsVisibleRegionPoint(rgn, pt.X, pt.Y, graphics, result);
4427
4428 cleanup:
4429 GdipDeleteRegion(rgn);
4430 return stat;
4431 }
4432
4433 GpStatus WINGDIPAPI GdipIsVisiblePointI(GpGraphics *graphics, INT x, INT y, BOOL *result)
4434 {
4435 return GdipIsVisiblePoint(graphics, (REAL)x, (REAL)y, result);
4436 }
4437
4438 GpStatus WINGDIPAPI GdipIsVisibleRect(GpGraphics *graphics, REAL x, REAL y, REAL width, REAL height, BOOL *result)
4439 {
4440 GpStatus stat;
4441 GpRegion* rgn;
4442 GpPointF pts[2];
4443
4444 TRACE("(%p %.2f %.2f %.2f %.2f %p)\n", graphics, x, y, width, height, result);
4445
4446 if(!graphics || !result)
4447 return InvalidParameter;
4448
4449 if(graphics->busy)
4450 return ObjectBusy;
4451
4452 pts[0].X = x;
4453 pts[0].Y = y;
4454 pts[1].X = x + width;
4455 pts[1].Y = y + height;
4456
4457 if((stat = GdipTransformPoints(graphics, CoordinateSpaceDevice,
4458 CoordinateSpaceWorld, pts, 2)) != Ok)
4459 return stat;
4460
4461 pts[1].X -= pts[0].X;
4462 pts[1].Y -= pts[0].Y;
4463
4464 if((stat = GdipCreateRegion(&rgn)) != Ok)
4465 return stat;
4466
4467 if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
4468 goto cleanup;
4469
4470 stat = GdipIsVisibleRegionRect(rgn, pts[0].X, pts[0].Y, pts[1].X, pts[1].Y, graphics, result);
4471
4472 cleanup:
4473 GdipDeleteRegion(rgn);
4474 return stat;
4475 }
4476
4477 GpStatus WINGDIPAPI GdipIsVisibleRectI(GpGraphics *graphics, INT x, INT y, INT width, INT height, BOOL *result)
4478 {
4479 return GdipIsVisibleRect(graphics, (REAL)x, (REAL)y, (REAL)width, (REAL)height, result);
4480 }
4481
4482 GpStatus gdip_format_string(HDC hdc,
4483 GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
4484 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
4485 gdip_format_string_callback callback, void *user_data)
4486 {
4487 WCHAR* stringdup;
4488 int sum = 0, height = 0, fit, fitcpy, i, j, lret, nwidth,
4489 nheight, lineend, lineno = 0;
4490 RectF bounds;
4491 StringAlignment halign;
4492 GpStatus stat = Ok;
4493 SIZE size;
4494
4495 if(length == -1) length = lstrlenW(string);
4496
4497 stringdup = GdipAlloc((length + 1) * sizeof(WCHAR));
4498 if(!stringdup) return OutOfMemory;
4499
4500 nwidth = roundr(rect->Width);
4501 nheight = roundr(rect->Height);
4502
4503 if (rect->Width >= INT_MAX || rect->Width < 0.5) nwidth = INT_MAX;
4504 if (rect->Height >= INT_MAX || rect->Height < 0.5) nheight = INT_MAX;
4505
4506 for(i = 0, j = 0; i < length; i++){
4507 /* FIXME: This makes the indexes passed to callback inaccurate. */
4508 if(!isprintW(string[i]) && (string[i] != '\n'))
4509 continue;
4510
4511 stringdup[j] = string[i];
4512 j++;
4513 }
4514
4515 length = j;
4516
4517 if (format) halign = format->align;
4518 else halign = StringAlignmentNear;
4519
4520 while(sum < length){
4521 GetTextExtentExPointW(hdc, stringdup + sum, length - sum,
4522 nwidth, &fit, NULL, &size);
4523 fitcpy = fit;
4524
4525 if(fit == 0)
4526 break;
4527
4528 for(lret = 0; lret < fit; lret++)
4529 if(*(stringdup + sum + lret) == '\n')
4530 break;
4531
4532 /* Line break code (may look strange, but it imitates windows). */
4533 if(lret < fit)
4534 lineend = fit = lret; /* this is not an off-by-one error */
4535 else if(fit < (length - sum)){
4536 if(*(stringdup + sum + fit) == ' ')
4537 while(*(stringdup + sum + fit) == ' ')
4538 fit++;
4539 else
4540 while(*(stringdup + sum + fit - 1) != ' '){
4541 fit--;
4542
4543 if(*(stringdup + sum + fit) == '\t')
4544 break;
4545
4546 if(fit == 0){
4547 fit = fitcpy;
4548 break;
4549 }
4550 }
4551 lineend = fit;
4552 while(*(stringdup + sum + lineend - 1) == ' ' ||
4553 *(stringdup + sum + lineend - 1) == '\t')
4554 lineend--;
4555 }
4556 else
4557 lineend = fit;
4558
4559 GetTextExtentExPointW(hdc, stringdup + sum, lineend,
4560 nwidth, &j, NULL, &size);
4561
4562 bounds.Width = size.cx;
4563
4564 if(height + size.cy > nheight)
4565 bounds.Height = nheight - (height + size.cy);
4566 else
4567 bounds.Height = size.cy;
4568
4569 bounds.Y = rect->Y + height;
4570
4571 switch (halign)
4572 {
4573 case StringAlignmentNear:
4574 default:
4575 bounds.X = rect->X;
4576 break;
4577 case StringAlignmentCenter:
4578 bounds.X = rect->X + (rect->Width/2) - (bounds.Width/2);
4579 break;
4580 case StringAlignmentFar:
4581 bounds.X = rect->X + rect->Width - bounds.Width;
4582 break;
4583 }
4584
4585 stat = callback(hdc, stringdup, sum, lineend,
4586 font, rect, format, lineno, &bounds, user_data);
4587
4588 if (stat != Ok)
4589 break;
4590
4591 sum += fit + (lret < fitcpy ? 1 : 0);
4592 height += size.cy;
4593 lineno++;
4594
4595 if(height > nheight)
4596 break;
4597
4598 /* Stop if this was a linewrap (but not if it was a linebreak). */
4599 if((lret == fitcpy) && format && (format->attr & StringFormatFlagsNoWrap))
4600 break;
4601 }
4602
4603 GdipFree(stringdup);
4604
4605 return stat;
4606 }
4607
4608 struct measure_ranges_args {
4609 GpRegion **regions;
4610 };
4611
4612 static GpStatus measure_ranges_callback(HDC hdc,
4613 GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
4614 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
4615 INT lineno, const RectF *bounds, void *user_data)
4616 {
4617 int i;
4618 GpStatus stat = Ok;
4619 struct measure_ranges_args *args = user_data;
4620
4621 for (i=0; i<format->range_count; i++)
4622 {
4623 INT range_start = max(index, format->character_ranges[i].First);
4624 INT range_end = min(index+length, format->character_ranges[i].First+format->character_ranges[i].Length);
4625 if (range_start < range_end)
4626 {
4627 GpRectF range_rect;
4628 SIZE range_size;
4629
4630 range_rect.Y = bounds->Y;
4631 range_rect.Height = bounds->Height;
4632
4633 GetTextExtentExPointW(hdc, string + index, range_start - index,
4634 INT_MAX, NULL, NULL, &range_size);
4635 range_rect.X = bounds->X + range_size.cx;
4636
4637 GetTextExtentExPointW(hdc, string + index, range_end - index,
4638 INT_MAX, NULL, NULL, &range_size);
4639 range_rect.Width = (bounds->X + range_size.cx) - range_rect.X;
4640
4641 stat = GdipCombineRegionRect(args->regions[i], &range_rect, CombineModeUnion);
4642 if (stat != Ok)
4643 break;
4644 }
4645 }
4646
4647 return stat;
4648 }
4649
4650 GpStatus WINGDIPAPI GdipMeasureCharacterRanges(GpGraphics* graphics,
4651 GDIPCONST WCHAR* string, INT length, GDIPCONST GpFont* font,
4652 GDIPCONST RectF* layoutRect, GDIPCONST GpStringFormat *stringFormat,
4653 INT regionCount, GpRegion** regions)
4654 {
4655 GpStatus stat;
4656 int i;
4657 HFONT oldfont;
4658 struct measure_ranges_args args;
4659 HDC hdc, temp_hdc=NULL;
4660
4661 TRACE("(%p %s %d %p %s %p %d %p)\n", graphics, debugstr_w(string),
4662 length, font, debugstr_rectf(layoutRect), stringFormat, regionCount, regions);
4663
4664 if (!(graphics && string && font && layoutRect && stringFormat && regions))
4665 return InvalidParameter;
4666
4667 if (regionCount < stringFormat->range_count)
4668 return InvalidParameter;
4669
4670 if(!graphics->hdc)
4671 {
4672 hdc = temp_hdc = CreateCompatibleDC(0);
4673 if (!temp_hdc) return OutOfMemory;
4674 }
4675 else
4676 hdc = graphics->hdc;
4677
4678 if (stringFormat->attr)
4679 TRACE("may be ignoring some format flags: attr %x\n", stringFormat->attr);
4680
4681 oldfont = SelectObject(hdc, CreateFontIndirectW(&font->lfw));
4682
4683 for (i=0; i<stringFormat->range_count; i++)
4684 {
4685 stat = GdipSetEmpty(regions[i]);
4686 if (stat != Ok)
4687 return stat;
4688 }
4689
4690 args.regions = regions;
4691
4692 stat = gdip_format_string(hdc, string, length, font, layoutRect, stringFormat,
4693 measure_ranges_callback, &args);
4694
4695 DeleteObject(SelectObject(hdc, oldfont));
4696
4697 if (temp_hdc)
4698 DeleteDC(temp_hdc);
4699
4700 return stat;
4701 }
4702
4703 struct measure_string_args {
4704 RectF *bounds;
4705 INT *codepointsfitted;
4706 INT *linesfilled;
4707 };
4708
4709 static GpStatus measure_string_callback(HDC hdc,
4710 GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
4711 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
4712 INT lineno, const RectF *bounds, void *user_data)
4713 {
4714 struct measure_string_args *args = user_data;
4715
4716 if (bounds->Width > args->bounds->Width)
4717 args->bounds->Width = bounds->Width;
4718
4719 if (bounds->Height + bounds->Y > args->bounds->Height + args->bounds->Y)
4720 args->bounds->Height = bounds->Height + bounds->Y - args->bounds->Y;
4721
4722 if (args->codepointsfitted)
4723 *args->codepointsfitted = index + length;
4724
4725 if (args->linesfilled)
4726 (*args->linesfilled)++;
4727
4728 return Ok;
4729 }
4730
4731 /* Find the smallest rectangle that bounds the text when it is printed in rect
4732 * according to the format options listed in format. If rect has 0 width and
4733 * height, then just find the smallest rectangle that bounds the text when it's
4734 * printed at location (rect->X, rect-Y). */
4735 GpStatus WINGDIPAPI GdipMeasureString(GpGraphics *graphics,
4736 GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
4737 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format, RectF *bounds,
4738 INT *codepointsfitted, INT *linesfilled)
4739 {
4740 HFONT oldfont;
4741 struct measure_string_args args;
4742 HDC temp_hdc=NULL, hdc;
4743
4744 TRACE("(%p, %s, %i, %p, %s, %p, %p, %p, %p)\n", graphics,
4745 debugstr_wn(string, length), length, font, debugstr_rectf(rect), format,
4746 bounds, codepointsfitted, linesfilled);
4747
4748 if(!graphics || !string || !font || !rect || !bounds)
4749 return InvalidParameter;
4750
4751 if(!graphics->hdc)
4752 {
4753 hdc = temp_hdc = CreateCompatibleDC(0);
4754 if (!temp_hdc) return OutOfMemory;
4755 }
4756 else
4757 hdc = graphics->hdc;
4758
4759 if(linesfilled) *linesfilled = 0;
4760 if(codepointsfitted) *codepointsfitted = 0;
4761
4762 if(format)
4763 TRACE("may be ignoring some format flags: attr %x\n", format->attr);
4764
4765 oldfont = SelectObject(hdc, CreateFontIndirectW(&font->lfw));
4766
4767 bounds->X = rect->X;
4768 bounds->Y = rect->Y;
4769 bounds->Width = 0.0;
4770 bounds->Height = 0.0;
4771
4772 args.bounds = bounds;
4773 args.codepointsfitted = codepointsfitted;
4774 args.linesfilled = linesfilled;
4775
4776 gdip_format_string(hdc, string, length, font, rect, format,
4777 measure_string_callback, &args);
4778
4779 DeleteObject(SelectObject(hdc, oldfont));
4780
4781 if (temp_hdc)
4782 DeleteDC(temp_hdc);
4783
4784 return Ok;
4785 }
4786
4787 struct draw_string_args {
4788 GpGraphics *graphics;
4789 GDIPCONST GpBrush *brush;
4790 REAL x, y, rel_width, rel_height, ascent;
4791 };
4792
4793 static GpStatus draw_string_callback(HDC hdc,
4794 GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
4795 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
4796 INT lineno, const RectF *bounds, void *user_data)
4797 {
4798 struct draw_string_args *args = user_data;
4799 PointF position;
4800
4801 position.X = args->x + bounds->X / args->rel_width;
4802 position.Y = args->y + bounds->Y / args->rel_height + args->ascent;
4803
4804 return GdipDrawDriverString(args->graphics, &string[index], length, font,
4805 args->brush, &position,
4806 DriverStringOptionsCmapLookup|DriverStringOptionsRealizedAdvance, NULL);
4807 }
4808
4809 GpStatus WINGDIPAPI GdipDrawString(GpGraphics *graphics, GDIPCONST WCHAR *string,
4810 INT length, GDIPCONST GpFont *font, GDIPCONST RectF *rect,
4811 GDIPCONST GpStringFormat *format, GDIPCONST GpBrush *brush)
4812 {
4813 HRGN rgn = NULL;
4814 HFONT gdifont;
4815 GpPointF pt[3], rectcpy[4];
4816 POINT corners[4];
4817 REAL rel_width, rel_height;
4818 INT save_state;
4819 REAL offsety = 0.0;
4820 struct draw_string_args args;
4821 RectF scaled_rect;
4822 HDC hdc, temp_hdc=NULL;
4823 TEXTMETRICW textmetric;
4824
4825 TRACE("(%p, %s, %i, %p, %s, %p, %p)\n", graphics, debugstr_wn(string, length),
4826 length, font, debugstr_rectf(rect), format, brush);
4827
4828 if(!graphics || !string || !font || !brush || !rect)
4829 return InvalidParameter;
4830
4831 if(graphics->hdc)
4832 {
4833 hdc = graphics->hdc;
4834 }
4835 else
4836 {
4837 hdc = temp_hdc = CreateCompatibleDC(0);
4838 }
4839
4840 if(format){
4841 TRACE("may be ignoring some format flags: attr %x\n", format->attr);
4842
4843 /* Should be no need to explicitly test for StringAlignmentNear as
4844 * that is default behavior if no alignment is passed. */
4845 if(format->vertalign != StringAlignmentNear){
4846 RectF bounds;
4847 GdipMeasureString(graphics, string, length, font, rect, format, &bounds, 0, 0);
4848
4849 if(format->vertalign == StringAlignmentCenter)
4850 offsety = (rect->Height - bounds.Height) / 2;
4851 else if(format->vertalign == StringAlignmentFar)
4852 offsety = (rect->Height - bounds.Height);
4853 }
4854 }
4855
4856 save_state = SaveDC(hdc);
4857
4858 pt[0].X = 0.0;
4859 pt[0].Y = 0.0;
4860 pt[1].X = 1.0;
4861 pt[1].Y = 0.0;
4862 pt[2].X = 0.0;
4863 pt[2].Y = 1.0;
4864 GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, pt, 3);
4865 rel_width = sqrt((pt[1].Y-pt[0].Y)*(pt[1].Y-pt[0].Y)+
4866 (pt[1].X-pt[0].X)*(pt[1].X-pt[0].X));
4867 rel_height = sqrt((pt[2].Y-pt[0].Y)*(pt[2].Y-pt[0].Y)+
4868 (pt[2].X-pt[0].X)*(pt[2].X-pt[0].X));
4869
4870 rectcpy[3].X = rectcpy[0].X = rect->X;
4871 rectcpy[1].Y = rectcpy[0].Y = rect->Y + offsety;
4872 rectcpy[2].X = rectcpy[1].X = rect->X + rect->Width;
4873 rectcpy[3].Y = rectcpy[2].Y = rect->Y + offsety + rect->Height;
4874 transform_and_round_points(graphics, corners, rectcpy, 4);
4875
4876 scaled_rect.X = 0.0;
4877 scaled_rect.Y = 0.0;
4878 scaled_rect.Width = rel_width * rect->Width;
4879 scaled_rect.Height = rel_height * rect->Height;
4880
4881 if (roundr(scaled_rect.Width) != 0 && roundr(scaled_rect.Height) != 0)
4882 {
4883 /* FIXME: If only the width or only the height is 0, we should probably still clip */
4884 rgn = CreatePolygonRgn(corners, 4, ALTERNATE);
4885 SelectClipRgn(hdc, rgn);
4886 }
4887
4888 get_font_hfont(graphics, font, &gdifont);
4889 SelectObject(hdc, gdifont);
4890
4891 args.graphics = graphics;
4892 args.brush = brush;
4893
4894 args.x = rect->X;
4895 args.y = rect->Y + offsety;
4896
4897 args.rel_width = rel_width;
4898 args.rel_height = rel_height;
4899
4900 GetTextMetricsW(hdc, &textmetric);
4901 args.ascent = textmetric.tmAscent / rel_height;
4902
4903 gdip_format_string(hdc, string, length, font, &scaled_rect, format,
4904 draw_string_callback, &args);
4905
4906 DeleteObject(rgn);
4907 DeleteObject(gdifont);
4908
4909 RestoreDC(hdc, save_state);
4910
4911 DeleteDC(temp_hdc);
4912
4913 return Ok;
4914 }
4915
4916 GpStatus WINGDIPAPI GdipResetClip(GpGraphics *graphics)
4917 {
4918 TRACE("(%p)\n", graphics);
4919
4920 if(!graphics)
4921 return InvalidParameter;
4922
4923 if(graphics->busy)
4924 return ObjectBusy;
4925
4926 return GdipSetInfinite(graphics->clip);
4927 }
4928
4929 GpStatus WINGDIPAPI GdipResetWorldTransform(GpGraphics *graphics)
4930 {
4931 TRACE("(%p)\n", graphics);
4932
4933 if(!graphics)
4934 return InvalidParameter;
4935
4936 if(graphics->busy)
4937 return ObjectBusy;
4938
4939 graphics->worldtrans->matrix[0] = 1.0;
4940 graphics->worldtrans->matrix[1] = 0.0;
4941 graphics->worldtrans->matrix[2] = 0.0;
4942 graphics->worldtrans->matrix[3] = 1.0;
4943 graphics->worldtrans->matrix[4] = 0.0;
4944 graphics->worldtrans->matrix[5] = 0.0;
4945
4946 return Ok;
4947 }
4948
4949 GpStatus WINGDIPAPI GdipRestoreGraphics(GpGraphics *graphics, GraphicsState state)
4950 {
4951 return GdipEndContainer(graphics, state);
4952 }
4953
4954 GpStatus WINGDIPAPI GdipRotateWorldTransform(GpGraphics *graphics, REAL angle,
4955 GpMatrixOrder order)
4956 {
4957 TRACE("(%p, %.2f, %d)\n", graphics, angle, order);
4958
4959 if(!graphics)
4960 return InvalidParameter;
4961
4962 if(graphics->busy)
4963 return ObjectBusy;
4964
4965 return GdipRotateMatrix(graphics->worldtrans, angle, order);
4966 }
4967
4968 GpStatus WINGDIPAPI GdipSaveGraphics(GpGraphics *graphics, GraphicsState *state)
4969 {
4970 return GdipBeginContainer2(graphics, state);
4971 }
4972
4973 GpStatus WINGDIPAPI GdipBeginContainer2(GpGraphics *graphics,
4974 GraphicsContainer *state)
4975 {
4976 GraphicsContainerItem *container;
4977 GpStatus sts;
4978
4979 TRACE("(%p, %p)\n", graphics, state);
4980
4981 if(!graphics || !state)
4982 return InvalidParameter;
4983
4984 sts = init_container(&container, graphics);
4985 if(sts != Ok)
4986 return sts;
4987
4988 list_add_head(&graphics->containers, &container->entry);
4989 *state = graphics->contid = container->contid;
4990
4991 return Ok;
4992 }
4993
4994 GpStatus WINGDIPAPI GdipBeginContainer(GpGraphics *graphics, GDIPCONST GpRectF *dstrect, GDIPCONST GpRectF *srcrect, GpUnit unit, GraphicsContainer *state)
4995 {
4996 FIXME("(%p, %p, %p, %d, %p): stub\n", graphics, dstrect, srcrect, unit, state);
4997 return NotImplemented;
4998 }
4999
5000 GpStatus WINGDIPAPI GdipBeginContainerI(GpGraphics *graphics, GDIPCONST GpRect *dstrect, GDIPCONST GpRect *srcrect, GpUnit unit, GraphicsContainer *state)
5001 {
5002 FIXME("(%p, %p, %p, %d, %p): stub\n", graphics, dstrect, srcrect, unit, state);
5003 return NotImplemented;
5004 }
5005
5006 GpStatus WINGDIPAPI GdipComment(GpGraphics *graphics, UINT sizeData, GDIPCONST BYTE *data)
5007 {
5008 FIXME("(%p, %d, %p): stub\n", graphics, sizeData, data);
5009 return NotImplemented;
5010 }
5011
5012 GpStatus WINGDIPAPI GdipEndContainer(GpGraphics *graphics, GraphicsContainer state)
5013 {
5014 GpStatus sts;
5015 GraphicsContainerItem *container, *container2;
5016
5017 TRACE("(%p, %x)\n", graphics, state);
5018
5019 if(!graphics)
5020 return InvalidParameter;
5021
5022 LIST_FOR_EACH_ENTRY(container, &graphics->containers, GraphicsContainerItem, entry){
5023 if(container->contid == state)
5024 break;
5025 }
5026
5027 /* did not find a matching container */
5028 if(&container->entry == &graphics->containers)
5029 return Ok;
5030
5031 sts = restore_container(graphics, container);
5032 if(sts != Ok)
5033 return sts;
5034
5035 /* remove all of the containers on top of the found container */
5036 LIST_FOR_EACH_ENTRY_SAFE(container, container2, &graphics->containers, GraphicsContainerItem, entry){
5037 if(container->contid == state)
5038 break;
5039 list_remove(&container->entry);
5040 delete_container(container);
5041 }
5042
5043 list_remove(&container->entry);
5044 delete_container(container);
5045
5046 return Ok;
5047 }
5048
5049 GpStatus WINGDIPAPI GdipScaleWorldTransform(GpGraphics *graphics, REAL sx,
5050 REAL sy, GpMatrixOrder order)
5051 {
5052 TRACE("(%p, %.2f, %.2f, %d)\n", graphics, sx, sy, order);
5053
5054 if(!graphics)
5055 return InvalidParameter;
5056
5057 if(graphics->busy)
5058 return ObjectBusy;
5059
5060 return GdipScaleMatrix(graphics->worldtrans, sx, sy, order);
5061 }
5062
5063 GpStatus WINGDIPAPI GdipSetClipGraphics(GpGraphics *graphics, GpGraphics *srcgraphics,
5064 CombineMode mode)
5065 {
5066 TRACE("(%p, %p, %d)\n", graphics, srcgraphics, mode);
5067
5068 if(!graphics || !srcgraphics)
5069 return InvalidParameter;
5070
5071 return GdipCombineRegionRegion(graphics->clip, srcgraphics->clip, mode);
5072 }
5073
5074 GpStatus WINGDIPAPI GdipSetCompositingMode(GpGraphics *graphics,
5075 CompositingMode mode)
5076 {
5077 TRACE("(%p, %d)\n", graphics, mode);
5078
5079 if(!graphics)
5080 return InvalidParameter;
5081
5082 if(graphics->busy)
5083 return ObjectBusy;
5084
5085 graphics->compmode = mode;
5086
5087 return Ok;
5088 }
5089
5090 GpStatus WINGDIPAPI GdipSetCompositingQuality(GpGraphics *graphics,
5091 CompositingQuality quality)
5092 {
5093 TRACE("(%p, %d)\n", graphics, quality);
5094
5095 if(!graphics)
5096 return InvalidParameter;
5097
5098 if(graphics->busy)
5099 return ObjectBusy;
5100
5101 graphics->compqual = quality;
5102
5103 return Ok;
5104 }
5105
5106 GpStatus WINGDIPAPI GdipSetInterpolationMode(GpGraphics *graphics,
5107 InterpolationMode mode)
5108 {
5109 TRACE("(%p, %d)\n", graphics, mode);
5110
5111 if(!graphics || mode == InterpolationModeInvalid || mode > InterpolationModeHighQualityBicubic)
5112 return InvalidParameter;
5113
5114 if(graphics->busy)
5115 return ObjectBusy;
5116
5117 if (mode == InterpolationModeDefault || mode == InterpolationModeLowQuality)
5118 mode = InterpolationModeBilinear;
5119
5120 if (mode == InterpolationModeHighQuality)
5121 mode = InterpolationModeHighQualityBicubic;
5122
5123 graphics->interpolation = mode;
5124
5125 return Ok;
5126 }
5127
5128 GpStatus WINGDIPAPI GdipSetPageScale(GpGraphics *graphics, REAL scale)
5129 {
5130 TRACE("(%p, %.2f)\n", graphics, scale);
5131
5132 if(!graphics || (scale <= 0.0))
5133 return InvalidParameter;
5134
5135 if(graphics->busy)
5136 return ObjectBusy;
5137
5138 graphics->scale = scale;
5139
5140 return Ok;
5141 }
5142
5143 GpStatus WINGDIPAPI GdipSetPageUnit(GpGraphics *graphics, GpUnit unit)
5144 {
5145 TRACE("(%p, %d)\n", graphics, unit);
5146
5147 if(!graphics)
5148 return InvalidParameter;
5149
5150 if(graphics->busy)
5151 return ObjectBusy;
5152
5153 if(unit == UnitWorld)
5154 return InvalidParameter;
5155
5156 graphics->unit = unit;
5157
5158 return Ok;
5159 }
5160
5161 GpStatus WINGDIPAPI GdipSetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
5162 mode)
5163 {
5164 TRACE("(%p, %d)\n", graphics, mode);
5165
5166 if(!graphics)
5167 return InvalidParameter;
5168
5169 if(graphics->busy)
5170 return ObjectBusy;
5171
5172 graphics->pixeloffset = mode;
5173
5174 return Ok;
5175 }
5176
5177 GpStatus WINGDIPAPI GdipSetRenderingOrigin(GpGraphics *graphics, INT x, INT y)
5178 {
5179 static int calls;
5180
5181 TRACE("(%p,%i,%i)\n", graphics, x, y);
5182
5183 if (!(calls++))
5184 FIXME("not implemented\n");
5185
5186 return NotImplemented;
5187 }
5188
5189 GpStatus WINGDIPAPI GdipGetRenderingOrigin(GpGraphics *graphics, INT *x, INT *y)
5190 {
5191 static int calls;
5192
5193 TRACE("(%p,%p,%p)\n", graphics, x, y);
5194
5195 if (!(calls++))
5196 FIXME("not implemented\n");
5197
5198 *x = *y = 0;
5199
5200 return NotImplemented;
5201 }
5202
5203 GpStatus WINGDIPAPI GdipSetSmoothingMode(GpGraphics *graphics, SmoothingMode mode)
5204 {
5205 TRACE("(%p, %d)\n", graphics, mode);
5206
5207 if(!graphics)
5208 return InvalidParameter;
5209
5210 if(graphics->busy)
5211 return ObjectBusy;
5212
5213 graphics->smoothing = mode;
5214
5215 return Ok;
5216 }
5217
5218 GpStatus WINGDIPAPI GdipSetTextContrast(GpGraphics *graphics, UINT contrast)
5219 {
5220 TRACE("(%p, %d)\n", graphics, contrast);
5221
5222 if(!graphics)
5223 return InvalidParameter;
5224
5225 graphics->textcontrast = contrast;
5226
5227 return Ok;
5228 }
5229
5230 GpStatus WINGDIPAPI GdipSetTextRenderingHint(GpGraphics *graphics,
5231 TextRenderingHint hint)
5232 {
5233 TRACE("(%p, %d)\n", graphics, hint);
5234
5235 if(!graphics || hint > TextRenderingHintClearTypeGridFit)
5236 return InvalidParameter;
5237
5238 if(graphics->busy)
5239 return ObjectBusy;
5240
5241 graphics->texthint = hint;
5242
5243 return Ok;
5244 }
5245
5246 GpStatus WINGDIPAPI GdipSetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
5247 {
5248 TRACE("(%p, %p)\n", graphics, matrix);
5249
5250 if(!graphics || !matrix)
5251 return InvalidParameter;
5252
5253 if(graphics->busy)
5254 return ObjectBusy;
5255
5256 GdipDeleteMatrix(graphics->worldtrans);
5257 return GdipCloneMatrix(matrix, &graphics->worldtrans);
5258 }
5259
5260 GpStatus WINGDIPAPI GdipTranslateWorldTransform(GpGraphics *graphics, REAL dx,
5261 REAL dy, GpMatrixOrder order)
5262 {
5263 TRACE("(%p, %.2f, %.2f, %d)\n", graphics, dx, dy, order);
5264
5265 if(!graphics)
5266 return InvalidParameter;
5267
5268 if(graphics->busy)
5269 return ObjectBusy;
5270
5271 return GdipTranslateMatrix(graphics->worldtrans, dx, dy, order);
5272 }
5273
5274 /*****************************************************************************
5275 * GdipSetClipHrgn [GDIPLUS.@]
5276 */
5277 GpStatus WINGDIPAPI GdipSetClipHrgn(GpGraphics *graphics, HRGN hrgn, CombineMode mode)
5278 {
5279 GpRegion *region;
5280 GpStatus status;
5281
5282 TRACE("(%p, %p, %d)\n", graphics, hrgn, mode);
5283
5284 if(!graphics)
5285 return InvalidParameter;
5286
5287 status = GdipCreateRegionHrgn(hrgn, &region);
5288 if(status != Ok)
5289 return status;
5290
5291 status = GdipSetClipRegion(graphics, region, mode);
5292
5293 GdipDeleteRegion(region);
5294 return status;
5295 }
5296
5297 GpStatus WINGDIPAPI GdipSetClipPath(GpGraphics *graphics, GpPath *path, CombineMode mode)
5298 {
5299 TRACE("(%p, %p, %d)\n", graphics, path, mode);
5300
5301 if(!graphics)
5302 return InvalidParameter;
5303
5304 if(graphics->busy)
5305 return ObjectBusy;
5306
5307 return GdipCombineRegionPath(graphics->clip, path, mode);
5308 }
5309
5310 GpStatus WINGDIPAPI GdipSetClipRect(GpGraphics *graphics, REAL x, REAL y,
5311 REAL width, REAL height,
5312 CombineMode mode)
5313 {
5314 GpRectF rect;
5315
5316 TRACE("(%p, %.2f, %.2f, %.2f, %.2f, %d)\n", graphics, x, y, width, height, mode);
5317
5318 if(!graphics)
5319 return InvalidParameter;
5320
5321 if(graphics->busy)
5322 return ObjectBusy;
5323
5324 rect.X = x;
5325 rect.Y = y;
5326 rect.Width = width;
5327 rect.Height = height;
5328
5329 return GdipCombineRegionRect(graphics->clip, &rect, mode);
5330 }
5331
5332 GpStatus WINGDIPAPI GdipSetClipRectI(GpGraphics *graphics, INT x, INT y,
5333 INT width, INT height,
5334 CombineMode mode)
5335 {
5336 TRACE("(%p, %d, %d, %d, %d, %d)\n", graphics, x, y, width, height, mode);
5337
5338 if(!graphics)
5339 return InvalidParameter;
5340
5341 if(graphics->busy)
5342 return ObjectBusy;
5343
5344 return GdipSetClipRect(graphics, (REAL)x, (REAL)y, (REAL)width, (REAL)height, mode);
5345 }
5346
5347 GpStatus WINGDIPAPI GdipSetClipRegion(GpGraphics *graphics, GpRegion *region,
5348 CombineMode mode)
5349 {
5350 TRACE("(%p, %p, %d)\n", graphics, region, mode);
5351
5352 if(!graphics || !region)
5353 return InvalidParameter;
5354
5355 if(graphics->busy)
5356 return ObjectBusy;
5357
5358 return GdipCombineRegionRegion(graphics->clip, region, mode);
5359 }
5360
5361 GpStatus WINGDIPAPI GdipSetMetafileDownLevelRasterizationLimit(GpMetafile *metafile,
5362 UINT limitDpi)
5363 {
5364 static int calls;
5365
5366 TRACE("(%p,%u)\n", metafile, limitDpi);
5367
5368 if(!(calls++))
5369 FIXME("not implemented\n");
5370
5371 return NotImplemented;
5372 }
5373
5374 GpStatus WINGDIPAPI GdipDrawPolygon(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPointF *points,
5375 INT count)
5376 {
5377 INT save_state;
5378 POINT *pti;
5379
5380 TRACE("(%p, %p, %d)\n", graphics, points, count);
5381
5382 if(!graphics || !pen || count<=0)
5383 return InvalidParameter;
5384
5385 if(graphics->busy)
5386 return ObjectBusy;
5387
5388 if (!graphics->hdc)
5389 {
5390 FIXME("graphics object has no HDC\n");
5391 return Ok;
5392 }
5393
5394 pti = GdipAlloc(sizeof(POINT) * count);
5395
5396 save_state = prepare_dc(graphics, pen);
5397 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
5398
5399 transform_and_round_points(graphics, pti, (GpPointF*)points, count);
5400 Polygon(graphics->hdc, pti, count);
5401
5402 restore_dc(graphics, save_state);
5403 GdipFree(pti);
5404
5405 return Ok;
5406 }
5407
5408 GpStatus WINGDIPAPI GdipDrawPolygonI(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPoint *points,
5409 INT count)
5410 {
5411 GpStatus ret;
5412 GpPointF *ptf;
5413 INT i;
5414
5415 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
5416
5417 if(count<=0) return InvalidParameter;
5418 ptf = GdipAlloc(sizeof(GpPointF) * count);
5419
5420 for(i = 0;i < count; i++){
5421 ptf[i].X = (REAL)points[i].X;
5422 ptf[i].Y = (REAL)points[i].Y;
5423 }
5424
5425 ret = GdipDrawPolygon(graphics,pen,ptf,count);
5426 GdipFree(ptf);
5427
5428 return ret;
5429 }
5430
5431 GpStatus WINGDIPAPI GdipGetDpiX(GpGraphics *graphics, REAL* dpi)
5432 {
5433 TRACE("(%p, %p)\n", graphics, dpi);
5434
5435 if(!graphics || !dpi)
5436 return InvalidParameter;
5437
5438 if(graphics->busy)
5439 return ObjectBusy;
5440
5441 if (graphics->image)
5442 *dpi = graphics->image->xres;
5443 else
5444 *dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSX);
5445
5446 return Ok;
5447 }
5448
5449 GpStatus WINGDIPAPI GdipGetDpiY(GpGraphics *graphics, REAL* dpi)
5450 {
5451 TRACE("(%p, %p)\n", graphics, dpi);
5452
5453 if(!graphics || !dpi)
5454 return InvalidParameter;
5455
5456 if(graphics->busy)
5457 return ObjectBusy;
5458
5459 if (graphics->image)
5460 *dpi = graphics->image->yres;
5461 else
5462 *dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSY);
5463
5464 return Ok;
5465 }
5466
5467 GpStatus WINGDIPAPI GdipMultiplyWorldTransform(GpGraphics *graphics, GDIPCONST GpMatrix *matrix,
5468 GpMatrixOrder order)
5469 {
5470 GpMatrix m;
5471 GpStatus ret;
5472
5473 TRACE("(%p, %p, %d)\n", graphics, matrix, order);
5474
5475 if(!graphics || !matrix)
5476 return InvalidParameter;
5477
5478 if(graphics->busy)
5479 return ObjectBusy;
5480
5481 m = *(graphics->worldtrans);
5482
5483 ret = GdipMultiplyMatrix(&m, matrix, order);
5484 if(ret == Ok)
5485 *(graphics->worldtrans) = m;
5486
5487 return ret;
5488 }
5489
5490 /* Color used to fill bitmaps so we can tell which parts have been drawn over by gdi32. */
5491 static const COLORREF DC_BACKGROUND_KEY = 0x0c0b0d;
5492
5493 GpStatus WINGDIPAPI GdipGetDC(GpGraphics *graphics, HDC *hdc)
5494 {
5495 GpStatus stat=Ok;
5496
5497 TRACE("(%p, %p)\n", graphics, hdc);
5498
5499 if(!graphics || !hdc)
5500 return InvalidParameter;
5501
5502 if(graphics->busy)
5503 return ObjectBusy;
5504
5505 if (graphics->image && graphics->image->type == ImageTypeMetafile)
5506 {
5507 stat = METAFILE_GetDC((GpMetafile*)graphics->image, hdc);
5508 }
5509 else if (!graphics->hdc ||
5510 (graphics->image && graphics->image->type == ImageTypeBitmap && ((GpBitmap*)graphics->image)->format & PixelFormatAlpha))
5511 {
5512 /* Create a fake HDC and fill it with a constant color. */
5513 HDC temp_hdc;
5514 HBITMAP hbitmap;
5515 GpRectF bounds;
5516 BITMAPINFOHEADER bmih;
5517 int i;
5518
5519 stat = get_graphics_bounds(graphics, &bounds);
5520 if (stat != Ok)
5521 return stat;
5522
5523 graphics->temp_hbitmap_width = bounds.Width;
5524 graphics->temp_hbitmap_height = bounds.Height;
5525
5526 bmih.biSize = sizeof(bmih);
5527 bmih.biWidth = graphics->temp_hbitmap_width;
5528 bmih.biHeight = -graphics->temp_hbitmap_height;
5529 bmih.biPlanes = 1;
5530 bmih.biBitCount = 32;
5531 bmih.biCompression = BI_RGB;
5532 bmih.biSizeImage = 0;
5533 bmih.biXPelsPerMeter = 0;
5534 bmih.biYPelsPerMeter = 0;
5535 bmih.biClrUsed = 0;
5536 bmih.biClrImportant = 0;
5537
5538 hbitmap = CreateDIBSection(NULL, (BITMAPINFO*)&bmih, DIB_RGB_COLORS,
5539 (void**)&graphics->temp_bits, NULL, 0);
5540 if (!hbitmap)
5541 return GenericError;
5542
5543 temp_hdc = CreateCompatibleDC(0);
5544 if (!temp_hdc)
5545 {
5546 DeleteObject(hbitmap);
5547 return GenericError;
5548 }
5549
5550 for (i=0; i<(graphics->temp_hbitmap_width * graphics->temp_hbitmap_height); i++)
5551 ((DWORD*)graphics->temp_bits)[i] = DC_BACKGROUND_KEY;
5552
5553 SelectObject(temp_hdc, hbitmap);
5554
5555 graphics->temp_hbitmap = hbitmap;
5556 *hdc = graphics->temp_hdc = temp_hdc;
5557 }
5558 else
5559 {
5560 *hdc = graphics->hdc;
5561 }
5562
5563 if (stat == Ok)
5564 graphics->busy = TRUE;
5565
5566 return stat;
5567 }
5568
5569 GpStatus WINGDIPAPI GdipReleaseDC(GpGraphics *graphics, HDC hdc)
5570 {
5571 GpStatus stat=Ok;
5572
5573 TRACE("(%p, %p)\n", graphics, hdc);
5574
5575 if(!graphics || !hdc || !graphics->busy)
5576 return InvalidParameter;
5577
5578 if (graphics->image && graphics->image->type == ImageTypeMetafile)
5579 {
5580 stat = METAFILE_ReleaseDC((GpMetafile*)graphics->image, hdc);
5581 }
5582 else if (graphics->temp_hdc == hdc)
5583 {
5584 DWORD* pos;
5585 int i;
5586
5587 /* Find the pixels that have changed, and mark them as opaque. */
5588 pos = (DWORD*)graphics->temp_bits;
5589 for (i=0; i<(graphics->temp_hbitmap_width * graphics->temp_hbitmap_height); i++)
5590 {
5591 if (*pos != DC_BACKGROUND_KEY)
5592 {
5593 *pos |= 0xff000000;
5594 }
5595 pos++;
5596 }
5597
5598 /* Write the changed pixels to the real target. */
5599 alpha_blend_pixels(graphics, 0, 0, graphics->temp_bits,
5600 graphics->temp_hbitmap_width, graphics->temp_hbitmap_height,
5601 graphics->temp_hbitmap_width * 4);
5602
5603 /* Clean up. */
5604 DeleteDC(graphics->temp_hdc);
5605 DeleteObject(graphics->temp_hbitmap);
5606 graphics->temp_hdc = NULL;
5607 graphics->temp_hbitmap = NULL;
5608 }
5609 else if (hdc != graphics->hdc)
5610 {
5611 stat = InvalidParameter;
5612 }
5613
5614 if (stat == Ok)
5615 graphics->busy = FALSE;
5616
5617 return stat;
5618 }
5619
5620 GpStatus WINGDIPAPI GdipGetClip(GpGraphics *graphics, GpRegion *region)
5621 {
5622 GpRegion *clip;
5623 GpStatus status;
5624
5625 TRACE("(%p, %p)\n", graphics, region);
5626
5627 if(!graphics || !region)
5628 return InvalidParameter;
5629
5630 if(graphics->busy)
5631 return ObjectBusy;
5632
5633 if((status = GdipCloneRegion(graphics->clip, &clip)) != Ok)
5634 return status;
5635
5636 /* free everything except root node and header */
5637 delete_element(&region->node);
5638 memcpy(region, clip, sizeof(GpRegion));
5639 GdipFree(clip);
5640
5641 return Ok;
5642 }
5643
5644 static GpStatus get_graphics_transform(GpGraphics *graphics, GpCoordinateSpace dst_space,
5645 GpCoordinateSpace src_space, GpMatrix **matrix)
5646 {
5647 GpStatus stat = GdipCreateMatrix(matrix);
5648 REAL unitscale;
5649
5650 if (dst_space != src_space && stat == Ok)
5651 {
5652 unitscale = convert_unit(graphics_res(graphics), graphics->unit);
5653
5654 if(graphics->unit != UnitDisplay)
5655 unitscale *= graphics->scale;
5656
5657 /* transform from src_space to CoordinateSpacePage */
5658 switch (src_space)
5659 {
5660 case CoordinateSpaceWorld:
5661 GdipMultiplyMatrix(*matrix, graphics->worldtrans, MatrixOrderAppend);
5662 break;
5663 case CoordinateSpacePage:
5664 break;
5665 case CoordinateSpaceDevice:
5666 GdipScaleMatrix(*matrix, 1.0/unitscale, 1.0/unitscale, MatrixOrderAppend);
5667 break;
5668 }
5669
5670 /* transform from CoordinateSpacePage to dst_space */
5671 switch (dst_space)
5672 {
5673 case CoordinateSpaceWorld:
5674 {
5675 GpMatrix *inverted_transform;
5676 stat = GdipCloneMatrix(graphics->worldtrans, &inverted_transform);
5677 if (stat == Ok)
5678 {
5679 stat = GdipInvertMatrix(inverted_transform);
5680 if (stat == Ok)
5681 GdipMultiplyMatrix(*matrix, inverted_transform, MatrixOrderAppend);
5682 GdipDeleteMatrix(inverted_transform);
5683 }
5684 break;
5685 }
5686 case CoordinateSpacePage:
5687 break;
5688 case CoordinateSpaceDevice:
5689 GdipScaleMatrix(*matrix, unitscale, unitscale, MatrixOrderAppend);
5690 break;
5691 }
5692 }
5693 return stat;
5694 }
5695
5696 GpStatus WINGDIPAPI GdipTransformPoints(GpGraphics *graphics, GpCoordinateSpace dst_space,
5697 GpCoordinateSpace src_space, GpPointF *points, INT count)
5698 {
5699 GpMatrix *matrix;
5700 GpStatus stat;
5701
5702 if(!graphics || !points || count <= 0)
5703 return InvalidParameter;
5704
5705 if(graphics->busy)
5706 return ObjectBusy;
5707
5708 TRACE("(%p, %d, %d, %p, %d)\n", graphics, dst_space, src_space, points, count);
5709
5710 if (src_space == dst_space) return Ok;
5711
5712 stat = get_graphics_transform(graphics, dst_space, src_space, &matrix);
5713
5714 if (stat == Ok)
5715 {
5716 stat = GdipTransformMatrixPoints(matrix, points, count);
5717
5718 GdipDeleteMatrix(matrix);
5719 }
5720
5721 return stat;
5722 }
5723
5724 GpStatus WINGDIPAPI GdipTransformPointsI(GpGraphics *graphics, GpCoordinateSpace dst_space,
5725 GpCoordinateSpace src_space, GpPoint *points, INT count)
5726 {
5727 GpPointF *pointsF;
5728 GpStatus ret;
5729 INT i;
5730
5731 TRACE("(%p, %d, %d, %p, %d)\n", graphics, dst_space, src_space, points, count);
5732
5733 if(count <= 0)
5734 return InvalidParameter;
5735
5736 pointsF = GdipAlloc(sizeof(GpPointF) * count);
5737 if(!pointsF)
5738 return OutOfMemory;
5739
5740 for(i = 0; i < count; i++){
5741 pointsF[i].X = (REAL)points[i].X;
5742 pointsF[i].Y = (REAL)points[i].Y;
5743 }
5744
5745 ret = GdipTransformPoints(graphics, dst_space, src_space, pointsF, count);
5746
5747 if(ret == Ok)
5748 for(i = 0; i < count; i++){
5749 points[i].X = roundr(pointsF[i].X);
5750 points[i].Y = roundr(pointsF[i].Y);
5751 }
5752 GdipFree(pointsF);
5753
5754 return ret;
5755 }
5756
5757 HPALETTE WINGDIPAPI GdipCreateHalftonePalette(void)
5758 {
5759 static int calls;
5760
5761 TRACE("\n");
5762
5763 if (!calls++)
5764 FIXME("stub\n");
5765
5766 return NULL;
5767 }
5768
5769 /*****************************************************************************
5770 * GdipTranslateClip [GDIPLUS.@]
5771 */
5772 GpStatus WINGDIPAPI GdipTranslateClip(GpGraphics *graphics, REAL dx, REAL dy)
5773 {
5774 TRACE("(%p, %.2f, %.2f)\n", graphics, dx, dy);
5775
5776 if(!graphics)
5777 return InvalidParameter;
5778
5779 if(graphics->busy)
5780 return ObjectBusy;
5781
5782 return GdipTranslateRegion(graphics->clip, dx, dy);
5783 }
5784
5785 /*****************************************************************************
5786 * GdipTranslateClipI [GDIPLUS.@]
5787 */
5788 GpStatus WINGDIPAPI GdipTranslateClipI(GpGraphics *graphics, INT dx, INT dy)
5789 {
5790 TRACE("(%p, %d, %d)\n", graphics, dx, dy);
5791
5792 if(!graphics)
5793 return InvalidParameter;
5794
5795 if(graphics->busy)
5796 return ObjectBusy;
5797
5798 return GdipTranslateRegion(graphics->clip, (REAL)dx, (REAL)dy);
5799 }
5800
5801
5802 /*****************************************************************************
5803 * GdipMeasureDriverString [GDIPLUS.@]
5804 */
5805 GpStatus WINGDIPAPI GdipMeasureDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
5806 GDIPCONST GpFont *font, GDIPCONST PointF *positions,
5807 INT flags, GDIPCONST GpMatrix *matrix, RectF *boundingBox)
5808 {
5809 static const INT unsupported_flags = ~(DriverStringOptionsCmapLookup|DriverStringOptionsRealizedAdvance);
5810 HFONT hfont;
5811 HDC hdc;
5812 REAL min_x, min_y, max_x, max_y, x, y;
5813 int i;
5814 TEXTMETRICW textmetric;
5815 const WORD *glyph_indices;
5816 WORD *dynamic_glyph_indices=NULL;
5817 REAL rel_width, rel_height, ascent, descent;
5818 GpPointF pt[3];
5819
5820 TRACE("(%p %p %d %p %p %d %p %p)\n", graphics, text, length, font, positions, flags, matrix, boundingBox);
5821
5822 if (!graphics || !text || !font || !positions || !boundingBox)
5823 return InvalidParameter;
5824
5825 if (length == -1)
5826 length = strlenW(text);
5827
5828 if (length == 0)
5829 {
5830 boundingBox->X = 0.0;
5831 boundingBox->Y = 0.0;
5832 boundingBox->Width = 0.0;
5833 boundingBox->Height = 0.0;
5834 }
5835
5836 if (flags & unsupported_flags)
5837 FIXME("Ignoring flags %x\n", flags & unsupported_flags);
5838
5839 if (matrix)
5840 FIXME("Ignoring matrix\n");
5841
5842 get_font_hfont(graphics, font, &hfont);
5843
5844 hdc = CreateCompatibleDC(0);
5845 SelectObject(hdc, hfont);
5846
5847 GetTextMetricsW(hdc, &textmetric);
5848
5849 pt[0].X = 0.0;
5850 pt[0].Y = 0.0;
5851 pt[1].X = 1.0;
5852 pt[1].Y = 0.0;
5853 pt[2].X = 0.0;
5854 pt[2].Y = 1.0;
5855 GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, pt, 3);
5856 rel_width = sqrt((pt[1].Y-pt[0].Y)*(pt[1].Y-pt[0].Y)+
5857 (pt[1].X-pt[0].X)*(pt[1].X-pt[0].X));
5858 rel_height = sqrt((pt[2].Y-pt[0].Y)*(pt[2].Y-pt[0].Y)+
5859 (pt[2].X-pt[0].X)*(pt[2].X-pt[0].X));
5860
5861 if (flags & DriverStringOptionsCmapLookup)
5862 {
5863 glyph_indices = dynamic_glyph_indices = GdipAlloc(sizeof(WORD) * length);
5864 if (!glyph_indices)
5865 {
5866 DeleteDC(hdc);
5867 DeleteObject(hfont);
5868 return OutOfMemory;
5869 }
5870
5871 GetGlyphIndicesW(hdc, text, length, dynamic_glyph_indices, 0);
5872 }
5873 else
5874 glyph_indices = text;
5875
5876 min_x = max_x = x = positions[0].X;
5877 min_y = max_y = y = positions[0].Y;
5878
5879 ascent = textmetric.tmAscent / rel_height;
5880 descent = textmetric.tmDescent / rel_height;
5881
5882 for (i=0; i<length; i++)
5883 {
5884 int char_width;
5885 ABC abc;
5886
5887 if (!(flags & DriverStringOptionsRealizedAdvance))
5888 {
5889 x = positions[i].X;
5890 y = positions[i].Y;
5891 }
5892
5893 GetCharABCWidthsW(hdc, glyph_indices[i], glyph_indices[i], &abc);
5894 char_width = abc.abcA + abc.abcB + abc.abcB;
5895
5896 if (min_y > y - ascent) min_y = y - ascent;
5897 if (max_y < y + descent) max_y = y + descent;
5898 if (min_x > x) min_x = x;
5899
5900 x += char_width / rel_width;
5901
5902 if (max_x < x) max_x = x;
5903 }
5904
5905 GdipFree(dynamic_glyph_indices);
5906 DeleteDC(hdc);
5907 DeleteObject(hfont);
5908
5909 boundingBox->X = min_x;
5910 boundingBox->Y = min_y;
5911 boundingBox->Width = max_x - min_x;
5912 boundingBox->Height = max_y - min_y;
5913
5914 return Ok;
5915 }
5916
5917 static GpStatus GDI32_GdipDrawDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
5918 GDIPCONST GpFont *font, GDIPCONST GpBrush *brush,
5919 GDIPCONST PointF *positions, INT flags,
5920 GDIPCONST GpMatrix *matrix )
5921 {
5922 static const INT unsupported_flags = ~(DriverStringOptionsRealizedAdvance|DriverStringOptionsCmapLookup);
5923 INT save_state;
5924 GpPointF pt;
5925 HFONT hfont;
5926 UINT eto_flags=0;
5927
5928 if (flags & unsupported_flags)
5929 FIXME("Ignoring flags %x\n", flags & unsupported_flags);
5930
5931 if (matrix)
5932 FIXME("Ignoring matrix\n");
5933
5934 if (!(flags & DriverStringOptionsCmapLookup))
5935 eto_flags |= ETO_GLYPH_INDEX;
5936
5937 save_state = SaveDC(graphics->hdc);
5938 SetBkMode(graphics->hdc, TRANSPARENT);
5939 SetTextColor(graphics->hdc, get_gdi_brush_color(brush));
5940
5941 pt = positions[0];
5942 GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, &pt, 1);
5943
5944 get_font_hfont(graphics, font, &hfont);
5945 SelectObject(graphics->hdc, hfont);
5946
5947 SetTextAlign(graphics->hdc, TA_BASELINE|TA_LEFT);
5948
5949 ExtTextOutW(graphics->hdc, roundr(pt.X), roundr(pt.Y), eto_flags, NULL, text, length, NULL);
5950
5951 RestoreDC(graphics->hdc, save_state);
5952
5953 DeleteObject(hfont);
5954
5955 return Ok;
5956 }
5957
5958 static GpStatus SOFTWARE_GdipDrawDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
5959 GDIPCONST GpFont *font, GDIPCONST GpBrush *brush,
5960 GDIPCONST PointF *positions, INT flags,
5961 GDIPCONST GpMatrix *matrix )
5962 {
5963 static const INT unsupported_flags = ~(DriverStringOptionsCmapLookup|DriverStringOptionsRealizedAdvance);
5964 GpStatus stat;
5965 PointF *real_positions, real_position;
5966 POINT *pti;
5967 HFONT hfont;
5968 HDC hdc;
5969 int min_x=INT_MAX, min_y=INT_MAX, max_x=INT_MIN, max_y=INT_MIN, i, x, y;
5970 DWORD max_glyphsize=0;
5971 GLYPHMETRICS glyphmetrics;
5972 static const MAT2 identity = {{0,1}, {0,0}, {0,0}, {0,1}};
5973 BYTE *glyph_mask;
5974 BYTE *text_mask;
5975 int text_mask_stride;
5976 BYTE *pixel_data;
5977 int pixel_data_stride;
5978 GpRect pixel_area;
5979 UINT ggo_flags = GGO_GRAY8_BITMAP;
5980
5981 if (length <= 0)
5982 return Ok;
5983
5984 if (!(flags & DriverStringOptionsCmapLookup))
5985 ggo_flags |= GGO_GLYPH_INDEX;
5986
5987 if (flags & unsupported_flags)
5988 FIXME("Ignoring flags %x\n", flags & unsupported_flags);
5989
5990 if (matrix)
5991 FIXME("Ignoring matrix\n");
5992
5993 pti = GdipAlloc(sizeof(POINT) * length);
5994 if (!pti)
5995 return OutOfMemory;
5996
5997 if (flags & DriverStringOptionsRealizedAdvance)
5998 {
5999 real_position = positions[0];
6000
6001 transform_and_round_points(graphics, pti, &real_position, 1);
6002 }
6003 else
6004 {
6005 real_positions = GdipAlloc(sizeof(PointF) * length);
6006 if (!real_positions)
6007 {
6008 GdipFree(pti);
6009 return OutOfMemory;
6010 }
6011
6012 memcpy(real_positions, positions, sizeof(PointF) * length);
6013
6014 transform_and_round_points(graphics, pti, real_positions, length);
6015
6016 GdipFree(real_positions);
6017 }
6018
6019 get_font_hfont(graphics, font, &hfont);
6020
6021 hdc = CreateCompatibleDC(0);
6022 SelectObject(hdc, hfont);
6023
6024 /* Get the boundaries of the text to be drawn */
6025 for (i=0; i<length; i++)
6026 {
6027 DWORD glyphsize;
6028 int left, top, right, bottom;
6029
6030 glyphsize = GetGlyphOutlineW(hdc, text[i], ggo_flags,
6031 &glyphmetrics, 0, NULL, &identity);
6032
6033 if (glyphsize == GDI_ERROR)
6034 {
6035 ERR("GetGlyphOutlineW failed\n");
6036 GdipFree(pti);
6037 DeleteDC(hdc);
6038 DeleteObject(hfont);
6039 return GenericError;
6040 }
6041
6042 if (glyphsize > max_glyphsize)
6043 max_glyphsize = glyphsize;
6044
6045 left = pti[i].x + glyphmetrics.gmptGlyphOrigin.x;
6046 top = pti[i].y - glyphmetrics.gmptGlyphOrigin.y;
6047 right = pti[i].x + glyphmetrics.gmptGlyphOrigin.x + glyphmetrics.gmBlackBoxX;
6048 bottom = pti[i].y - glyphmetrics.gmptGlyphOrigin.y + glyphmetrics.gmBlackBoxY;
6049
6050 if (left < min_x) min_x = left;
6051 if (top < min_y) min_y = top;
6052 if (right > max_x) max_x = right;
6053 if (bottom > max_y) max_y = bottom;
6054
6055 if (i+1 < length && (flags & DriverStringOptionsRealizedAdvance) == DriverStringOptionsRealizedAdvance)
6056 {
6057 pti[i+1].x = pti[i].x + glyphmetrics.gmCellIncX;
6058 pti[i+1].y = pti[i].y + glyphmetrics.gmCellIncY;
6059 }
6060 }
6061
6062 glyph_mask = GdipAlloc(max_glyphsize);
6063 text_mask = GdipAlloc((max_x - min_x) * (max_y - min_y));
6064 text_mask_stride = max_x - min_x;
6065
6066 if (!(glyph_mask && text_mask))
6067 {
6068 GdipFree(glyph_mask);
6069 GdipFree(text_mask);
6070 GdipFree(pti);
6071 DeleteDC(hdc);
6072 DeleteObject(hfont);
6073 return OutOfMemory;
6074 }
6075
6076 /* Generate a mask for the text */
6077 for (i=0; i<length; i++)
6078 {
6079 int left, top, stride;
6080
6081 GetGlyphOutlineW(hdc, text[i], ggo_flags,
6082 &glyphmetrics, max_glyphsize, glyph_mask, &identity);
6083
6084 left = pti[i].x + glyphmetrics.gmptGlyphOrigin.x;
6085 top = pti[i].y - glyphmetrics.gmptGlyphOrigin.y;
6086 stride = (glyphmetrics.gmBlackBoxX + 3) & (~3);
6087
6088 for (y=0; y<glyphmetrics.gmBlackBoxY; y++)
6089 {
6090 BYTE *glyph_val = glyph_mask + y * stride;
6091 BYTE *text_val = text_mask + (left - min_x) + (top - min_y + y) * text_mask_stride;
6092 for (x=0; x<glyphmetrics.gmBlackBoxX; x++)
6093 {
6094 *text_val = min(64, *text_val + *glyph_val);
6095 glyph_val++;
6096 text_val++;
6097 }
6098 }
6099 }
6100
6101 GdipFree(pti);
6102 DeleteDC(hdc);
6103 DeleteObject(hfont);
6104 GdipFree(glyph_mask);
6105
6106 /* get the brush data */
6107 pixel_data = GdipAlloc(4 * (max_x - min_x) * (max_y - min_y));
6108 if (!pixel_data)
6109 {
6110 GdipFree(text_mask);
6111 return OutOfMemory;
6112 }
6113
6114 pixel_area.X = min_x;
6115 pixel_area.Y = min_y;
6116 pixel_area.Width = max_x - min_x;
6117 pixel_area.Height = max_y - min_y;
6118 pixel_data_stride = pixel_area.Width * 4;
6119
6120 stat = brush_fill_pixels(graphics, (GpBrush*)brush, (DWORD*)pixel_data, &pixel_area, pixel_area.Width);
6121 if (stat != Ok)
6122 {
6123 GdipFree(text_mask);
6124 GdipFree(pixel_data);
6125 return stat;
6126 }
6127
6128 /* multiply the brush data by the mask */
6129 for (y=0; y<pixel_area.Height; y++)
6130 {
6131 BYTE *text_val = text_mask + text_mask_stride * y;
6132 BYTE *pixel_val = pixel_data + pixel_data_stride * y + 3;
6133 for (x=0; x<pixel_area.Width; x++)
6134 {
6135 *pixel_val = (*pixel_val) * (*text_val) / 64;
6136 text_val++;
6137 pixel_val+=4;
6138 }
6139 }
6140
6141 GdipFree(text_mask);
6142
6143 /* draw the result */
6144 stat = alpha_blend_pixels(graphics, min_x, min_y, pixel_data, pixel_area.Width,
6145 pixel_area.Height, pixel_data_stride);
6146
6147 GdipFree(pixel_data);
6148
6149 return stat;
6150 }
6151
6152 /*****************************************************************************
6153 * GdipDrawDriverString [GDIPLUS.@]
6154 */
6155 GpStatus WINGDIPAPI GdipDrawDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
6156 GDIPCONST GpFont *font, GDIPCONST GpBrush *brush,
6157 GDIPCONST PointF *positions, INT flags,
6158 GDIPCONST GpMatrix *matrix )
6159 {
6160 GpStatus stat=NotImplemented;
6161
6162 TRACE("(%p %s %p %p %p %d %p)\n", graphics, debugstr_wn(text, length), font, brush, positions, flags, matrix);
6163
6164 if (!graphics || !text || !font || !brush || !positions)
6165 return InvalidParameter;
6166
6167 if (length == -1)
6168 length = strlenW(text);
6169
6170 if (graphics->hdc &&
6171 ((flags & DriverStringOptionsRealizedAdvance) || length <= 1) &&
6172 brush->bt == BrushTypeSolidColor &&
6173 (((GpSolidFill*)brush)->color & 0xff000000) == 0xff000000)
6174 stat = GDI32_GdipDrawDriverString(graphics, text, length, font, brush,
6175 positions, flags, matrix);
6176
6177 if (stat == NotImplemented)
6178 stat = SOFTWARE_GdipDrawDriverString(graphics, text, length, font, brush,
6179 positions, flags, matrix);
6180
6181 return stat;
6182 }
6183
6184 GpStatus WINGDIPAPI GdipRecordMetafileStream(IStream *stream, HDC hdc, EmfType type, GDIPCONST GpRect *frameRect,
6185 MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc, GpMetafile **metafile)
6186 {
6187 FIXME("(%p %p %d %p %d %p %p): stub\n", stream, hdc, type, frameRect, frameUnit, desc, metafile);
6188 return NotImplemented;
6189 }
6190
6191 /*****************************************************************************
6192 * GdipIsVisibleClipEmpty [GDIPLUS.@]
6193 */
6194 GpStatus WINGDIPAPI GdipIsVisibleClipEmpty(GpGraphics *graphics, BOOL *res)
6195 {
6196 GpStatus stat;
6197 GpRegion* rgn;
6198
6199 TRACE("(%p, %p)\n", graphics, res);
6200
6201 if((stat = GdipCreateRegion(&rgn)) != Ok)
6202 return stat;
6203
6204 if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
6205 goto cleanup;
6206
6207 stat = GdipIsEmptyRegion(rgn, graphics, res);
6208
6209 cleanup:
6210 GdipDeleteRegion(rgn);
6211 return stat;
6212 }
Maarten's multimedia branch