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gdiplus: Don't settle on a font size until absolutely necessary.
[wine/multimedia.git] / dlls / gdiplus / graphics.c
blob5ba3a4f7a0e94a9b5d8ce9ac86ddb5f701bbf4f1
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 INT prepare_dc(GpGraphics *graphics, GpPen *pen)
94 {
95 HPEN gdipen;
96 REAL width;
97 INT save_state, i, numdashes;
98 GpPointF pt[2];
99 DWORD dash_array[MAX_DASHLEN];
100
101 save_state = SaveDC(graphics->hdc);
102
103 EndPath(graphics->hdc);
104
105 if(pen->unit == UnitPixel){
106 width = pen->width;
107 }
108 else{
109 /* Get an estimate for the amount the pen width is affected by the world
110 * transform. (This is similar to what some of the wine drivers do.) */
111 pt[0].X = 0.0;
112 pt[0].Y = 0.0;
113 pt[1].X = 1.0;
114 pt[1].Y = 1.0;
115 GdipTransformMatrixPoints(graphics->worldtrans, pt, 2);
116 width = sqrt((pt[1].X - pt[0].X) * (pt[1].X - pt[0].X) +
117 (pt[1].Y - pt[0].Y) * (pt[1].Y - pt[0].Y)) / sqrt(2.0);
118
119 width *= pen->width * convert_unit(graphics_res(graphics),
120 pen->unit == UnitWorld ? graphics->unit : pen->unit);
121 }
122
123 if(pen->dash == DashStyleCustom){
124 numdashes = min(pen->numdashes, MAX_DASHLEN);
125
126 TRACE("dashes are: ");
127 for(i = 0; i < numdashes; i++){
128 dash_array[i] = roundr(width * pen->dashes[i]);
129 TRACE("%d, ", dash_array[i]);
130 }
131 TRACE("\n and the pen style is %x\n", pen->style);
132
133 gdipen = ExtCreatePen(pen->style, roundr(width), &pen->brush->lb,
134 numdashes, dash_array);
135 }
136 else
137 gdipen = ExtCreatePen(pen->style, roundr(width), &pen->brush->lb, 0, NULL);
138
139 SelectObject(graphics->hdc, gdipen);
140
141 return save_state;
142 }
143
144 static void restore_dc(GpGraphics *graphics, INT state)
145 {
146 DeleteObject(SelectObject(graphics->hdc, GetStockObject(NULL_PEN)));
147 RestoreDC(graphics->hdc, state);
148 }
149
150 static GpStatus get_graphics_transform(GpGraphics *graphics, GpCoordinateSpace dst_space,
151 GpCoordinateSpace src_space, GpMatrix **matrix);
152
153 /* This helper applies all the changes that the points listed in ptf need in
154 * order to be drawn on the device context. In the end, this should include at
155 * least:
156 * -scaling by page unit
157 * -applying world transformation
158 * -converting from float to int
159 * Native gdiplus uses gdi32 to do all this (via SetMapMode, SetViewportExtEx,
160 * SetWindowExtEx, SetWorldTransform, etc.) but we cannot because we are using
161 * gdi to draw, and these functions would irreparably mess with line widths.
162 */
163 static void transform_and_round_points(GpGraphics *graphics, POINT *pti,
164 GpPointF *ptf, INT count)
165 {
166 REAL unitscale;
167 GpMatrix *matrix;
168 int i;
169
170 unitscale = convert_unit(graphics_res(graphics), graphics->unit);
171
172 /* apply page scale */
173 if(graphics->unit != UnitDisplay)
174 unitscale *= graphics->scale;
175
176 GdipCloneMatrix(graphics->worldtrans, &matrix);
177 GdipScaleMatrix(matrix, unitscale, unitscale, MatrixOrderAppend);
178 GdipTransformMatrixPoints(matrix, ptf, count);
179 GdipDeleteMatrix(matrix);
180
181 for(i = 0; i < count; i++){
182 pti[i].x = roundr(ptf[i].X);
183 pti[i].y = roundr(ptf[i].Y);
184 }
185 }
186
187 /* Draw non-premultiplied ARGB data to the given graphics object */
188 static GpStatus alpha_blend_pixels(GpGraphics *graphics, INT dst_x, INT dst_y,
189 const BYTE *src, INT src_width, INT src_height, INT src_stride)
190 {
191 if (graphics->image && graphics->image->type == ImageTypeBitmap)
192 {
193 GpBitmap *dst_bitmap = (GpBitmap*)graphics->image;
194 INT x, y;
195
196 for (x=0; x<src_width; x++)
197 {
198 for (y=0; y<src_height; y++)
199 {
200 ARGB dst_color, src_color;
201 GdipBitmapGetPixel(dst_bitmap, x+dst_x, y+dst_y, &dst_color);
202 src_color = ((ARGB*)(src + src_stride * y))[x];
203 GdipBitmapSetPixel(dst_bitmap, x+dst_x, y+dst_y, color_over(dst_color, src_color));
204 }
205 }
206
207 return Ok;
208 }
209 else
210 {
211 HDC hdc;
212 HBITMAP hbitmap, old_hbm=NULL;
213 BITMAPINFOHEADER bih;
214 BYTE *temp_bits;
215 BLENDFUNCTION bf;
216
217 hdc = CreateCompatibleDC(0);
218
219 bih.biSize = sizeof(BITMAPINFOHEADER);
220 bih.biWidth = src_width;
221 bih.biHeight = -src_height;
222 bih.biPlanes = 1;
223 bih.biBitCount = 32;
224 bih.biCompression = BI_RGB;
225 bih.biSizeImage = 0;
226 bih.biXPelsPerMeter = 0;
227 bih.biYPelsPerMeter = 0;
228 bih.biClrUsed = 0;
229 bih.biClrImportant = 0;
230
231 hbitmap = CreateDIBSection(hdc, (BITMAPINFO*)&bih, DIB_RGB_COLORS,
232 (void**)&temp_bits, NULL, 0);
233
234 convert_32bppARGB_to_32bppPARGB(src_width, src_height, temp_bits,
235 4 * src_width, src, src_stride);
236
237 old_hbm = SelectObject(hdc, hbitmap);
238
239 bf.BlendOp = AC_SRC_OVER;
240 bf.BlendFlags = 0;
241 bf.SourceConstantAlpha = 255;
242 bf.AlphaFormat = AC_SRC_ALPHA;
243
244 GdiAlphaBlend(graphics->hdc, dst_x, dst_y, src_width, src_height,
245 hdc, 0, 0, src_width, src_height, bf);
246
247 SelectObject(hdc, old_hbm);
248 DeleteDC(hdc);
249 DeleteObject(hbitmap);
250
251 return Ok;
252 }
253 }
254
255 static ARGB blend_colors(ARGB start, ARGB end, REAL position)
256 {
257 ARGB result=0;
258 ARGB i;
259 INT a1, a2, a3;
260
261 a1 = (start >> 24) & 0xff;
262 a2 = (end >> 24) & 0xff;
263
264 a3 = (int)(a1*(1.0f - position)+a2*(position));
265
266 result |= a3 << 24;
267
268 for (i=0xff; i<=0xff0000; i = i << 8)
269 result |= (int)((start&i)*(1.0f - position)+(end&i)*(position))&i;
270 return result;
271 }
272
273 static ARGB blend_line_gradient(GpLineGradient* brush, REAL position)
274 {
275 REAL blendfac;
276
277 /* clamp to between 0.0 and 1.0, using the wrap mode */
278 if (brush->wrap == WrapModeTile)
279 {
280 position = fmodf(position, 1.0f);
281 if (position < 0.0f) position += 1.0f;
282 }
283 else /* WrapModeFlip* */
284 {
285 position = fmodf(position, 2.0f);
286 if (position < 0.0f) position += 2.0f;
287 if (position > 1.0f) position = 2.0f - position;
288 }
289
290 if (brush->blendcount == 1)
291 blendfac = position;
292 else
293 {
294 int i=1;
295 REAL left_blendpos, left_blendfac, right_blendpos, right_blendfac;
296 REAL range;
297
298 /* locate the blend positions surrounding this position */
299 while (position > brush->blendpos[i])
300 i++;
301
302 /* interpolate between the blend positions */
303 left_blendpos = brush->blendpos[i-1];
304 left_blendfac = brush->blendfac[i-1];
305 right_blendpos = brush->blendpos[i];
306 right_blendfac = brush->blendfac[i];
307 range = right_blendpos - left_blendpos;
308 blendfac = (left_blendfac * (right_blendpos - position) +
309 right_blendfac * (position - left_blendpos)) / range;
310 }
311
312 if (brush->pblendcount == 0)
313 return blend_colors(brush->startcolor, brush->endcolor, blendfac);
314 else
315 {
316 int i=1;
317 ARGB left_blendcolor, right_blendcolor;
318 REAL left_blendpos, right_blendpos;
319
320 /* locate the blend colors surrounding this position */
321 while (blendfac > brush->pblendpos[i])
322 i++;
323
324 /* interpolate between the blend colors */
325 left_blendpos = brush->pblendpos[i-1];
326 left_blendcolor = brush->pblendcolor[i-1];
327 right_blendpos = brush->pblendpos[i];
328 right_blendcolor = brush->pblendcolor[i];
329 blendfac = (blendfac - left_blendpos) / (right_blendpos - left_blendpos);
330 return blend_colors(left_blendcolor, right_blendcolor, blendfac);
331 }
332 }
333
334 static ARGB transform_color(ARGB color, const ColorMatrix *matrix)
335 {
336 REAL val[5], res[4];
337 int i, j;
338 unsigned char a, r, g, b;
339
340 val[0] = ((color >> 16) & 0xff) / 255.0; /* red */
341 val[1] = ((color >> 8) & 0xff) / 255.0; /* green */
342 val[2] = (color & 0xff) / 255.0; /* blue */
343 val[3] = ((color >> 24) & 0xff) / 255.0; /* alpha */
344 val[4] = 1.0; /* translation */
345
346 for (i=0; i<4; i++)
347 {
348 res[i] = 0.0;
349
350 for (j=0; j<5; j++)
351 res[i] += matrix->m[j][i] * val[j];
352 }
353
354 a = min(max(floorf(res[3]*255.0), 0.0), 255.0);
355 r = min(max(floorf(res[0]*255.0), 0.0), 255.0);
356 g = min(max(floorf(res[1]*255.0), 0.0), 255.0);
357 b = min(max(floorf(res[2]*255.0), 0.0), 255.0);
358
359 return (a << 24) | (r << 16) | (g << 8) | b;
360 }
361
362 static int color_is_gray(ARGB color)
363 {
364 unsigned char r, g, b;
365
366 r = (color >> 16) & 0xff;
367 g = (color >> 8) & 0xff;
368 b = color & 0xff;
369
370 return (r == g) && (g == b);
371 }
372
373 static void apply_image_attributes(const GpImageAttributes *attributes, LPBYTE data,
374 UINT width, UINT height, INT stride, ColorAdjustType type)
375 {
376 UINT x, y, i;
377
378 if (attributes->colorkeys[type].enabled ||
379 attributes->colorkeys[ColorAdjustTypeDefault].enabled)
380 {
381 const struct color_key *key;
382 BYTE min_blue, min_green, min_red;
383 BYTE max_blue, max_green, max_red;
384
385 if (attributes->colorkeys[type].enabled)
386 key = &attributes->colorkeys[type];
387 else
388 key = &attributes->colorkeys[ColorAdjustTypeDefault];
389
390 min_blue = key->low&0xff;
391 min_green = (key->low>>8)&0xff;
392 min_red = (key->low>>16)&0xff;
393
394 max_blue = key->high&0xff;
395 max_green = (key->high>>8)&0xff;
396 max_red = (key->high>>16)&0xff;
397
398 for (x=0; x<width; x++)
399 for (y=0; y<height; y++)
400 {
401 ARGB *src_color;
402 BYTE blue, green, red;
403 src_color = (ARGB*)(data + stride * y + sizeof(ARGB) * x);
404 blue = *src_color&0xff;
405 green = (*src_color>>8)&0xff;
406 red = (*src_color>>16)&0xff;
407 if (blue >= min_blue && green >= min_green && red >= min_red &&
408 blue <= max_blue && green <= max_green && red <= max_red)
409 *src_color = 0x00000000;
410 }
411 }
412
413 if (attributes->colorremaptables[type].enabled ||
414 attributes->colorremaptables[ColorAdjustTypeDefault].enabled)
415 {
416 const struct color_remap_table *table;
417
418 if (attributes->colorremaptables[type].enabled)
419 table = &attributes->colorremaptables[type];
420 else
421 table = &attributes->colorremaptables[ColorAdjustTypeDefault];
422
423 for (x=0; x<width; x++)
424 for (y=0; y<height; y++)
425 {
426 ARGB *src_color;
427 src_color = (ARGB*)(data + stride * y + sizeof(ARGB) * x);
428 for (i=0; i<table->mapsize; i++)
429 {
430 if (*src_color == table->colormap[i].oldColor.Argb)
431 {
432 *src_color = table->colormap[i].newColor.Argb;
433 break;
434 }
435 }
436 }
437 }
438
439 if (attributes->colormatrices[type].enabled ||
440 attributes->colormatrices[ColorAdjustTypeDefault].enabled)
441 {
442 const struct color_matrix *colormatrices;
443
444 if (attributes->colormatrices[type].enabled)
445 colormatrices = &attributes->colormatrices[type];
446 else
447 colormatrices = &attributes->colormatrices[ColorAdjustTypeDefault];
448
449 for (x=0; x<width; x++)
450 for (y=0; y<height; y++)
451 {
452 ARGB *src_color;
453 src_color = (ARGB*)(data + stride * y + sizeof(ARGB) * x);
454
455 if (colormatrices->flags == ColorMatrixFlagsDefault ||
456 !color_is_gray(*src_color))
457 {
458 *src_color = transform_color(*src_color, &colormatrices->colormatrix);
459 }
460 else if (colormatrices->flags == ColorMatrixFlagsAltGray)
461 {
462 *src_color = transform_color(*src_color, &colormatrices->graymatrix);
463 }
464 }
465 }
466
467 if (attributes->gamma_enabled[type] ||
468 attributes->gamma_enabled[ColorAdjustTypeDefault])
469 {
470 REAL gamma;
471
472 if (attributes->gamma_enabled[type])
473 gamma = attributes->gamma[type];
474 else
475 gamma = attributes->gamma[ColorAdjustTypeDefault];
476
477 for (x=0; x<width; x++)
478 for (y=0; y<height; y++)
479 {
480 ARGB *src_color;
481 BYTE blue, green, red;
482 src_color = (ARGB*)(data + stride * y + sizeof(ARGB) * x);
483
484 blue = *src_color&0xff;
485 green = (*src_color>>8)&0xff;
486 red = (*src_color>>16)&0xff;
487
488 /* FIXME: We should probably use a table for this. */
489 blue = floorf(powf(blue / 255.0, gamma) * 255.0);
490 green = floorf(powf(green / 255.0, gamma) * 255.0);
491 red = floorf(powf(red / 255.0, gamma) * 255.0);
492
493 *src_color = (*src_color & 0xff000000) | (red << 16) | (green << 8) | blue;
494 }
495 }
496 }
497
498 /* Given a bitmap and its source rectangle, find the smallest rectangle in the
499 * bitmap that contains all the pixels we may need to draw it. */
500 static void get_bitmap_sample_size(InterpolationMode interpolation, WrapMode wrap,
501 GpBitmap* bitmap, REAL srcx, REAL srcy, REAL srcwidth, REAL srcheight,
502 GpRect *rect)
503 {
504 INT left, top, right, bottom;
505
506 switch (interpolation)
507 {
508 case InterpolationModeHighQualityBilinear:
509 case InterpolationModeHighQualityBicubic:
510 /* FIXME: Include a greater range for the prefilter? */
511 case InterpolationModeBicubic:
512 case InterpolationModeBilinear:
513 left = (INT)(floorf(srcx));
514 top = (INT)(floorf(srcy));
515 right = (INT)(ceilf(srcx+srcwidth));
516 bottom = (INT)(ceilf(srcy+srcheight));
517 break;
518 case InterpolationModeNearestNeighbor:
519 default:
520 left = roundr(srcx);
521 top = roundr(srcy);
522 right = roundr(srcx+srcwidth);
523 bottom = roundr(srcy+srcheight);
524 break;
525 }
526
527 if (wrap == WrapModeClamp)
528 {
529 if (left < 0)
530 left = 0;
531 if (top < 0)
532 top = 0;
533 if (right >= bitmap->width)
534 right = bitmap->width-1;
535 if (bottom >= bitmap->height)
536 bottom = bitmap->height-1;
537 }
538 else
539 {
540 /* In some cases we can make the rectangle smaller here, but the logic
541 * is hard to get right, and tiling suggests we're likely to use the
542 * entire source image. */
543 if (left < 0 || right >= bitmap->width)
544 {
545 left = 0;
546 right = bitmap->width-1;
547 }
548
549 if (top < 0 || bottom >= bitmap->height)
550 {
551 top = 0;
552 bottom = bitmap->height-1;
553 }
554 }
555
556 rect->X = left;
557 rect->Y = top;
558 rect->Width = right - left + 1;
559 rect->Height = bottom - top + 1;
560 }
561
562 static ARGB sample_bitmap_pixel(GDIPCONST GpRect *src_rect, LPBYTE bits, UINT width,
563 UINT height, INT x, INT y, GDIPCONST GpImageAttributes *attributes)
564 {
565 if (attributes->wrap == WrapModeClamp)
566 {
567 if (x < 0 || y < 0 || x >= width || y >= height)
568 return attributes->outside_color;
569 }
570 else
571 {
572 /* Tiling. Make sure co-ordinates are positive as it simplifies the math. */
573 if (x < 0)
574 x = width*2 + x % (width * 2);
575 if (y < 0)
576 y = height*2 + y % (height * 2);
577
578 if ((attributes->wrap & 1) == 1)
579 {
580 /* Flip X */
581 if ((x / width) % 2 == 0)
582 x = x % width;
583 else
584 x = width - 1 - x % width;
585 }
586 else
587 x = x % width;
588
589 if ((attributes->wrap & 2) == 2)
590 {
591 /* Flip Y */
592 if ((y / height) % 2 == 0)
593 y = y % height;
594 else
595 y = height - 1 - y % height;
596 }
597 else
598 y = y % height;
599 }
600
601 if (x < src_rect->X || y < src_rect->Y || x >= src_rect->X + src_rect->Width || y >= src_rect->Y + src_rect->Height)
602 {
603 ERR("out of range pixel requested\n");
604 return 0xffcd0084;
605 }
606
607 return ((DWORD*)(bits))[(x - src_rect->X) + (y - src_rect->Y) * src_rect->Width];
608 }
609
610 static ARGB resample_bitmap_pixel(GDIPCONST GpRect *src_rect, LPBYTE bits, UINT width,
611 UINT height, GpPointF *point, GDIPCONST GpImageAttributes *attributes,
612 InterpolationMode interpolation)
613 {
614 static int fixme;
615
616 switch (interpolation)
617 {
618 default:
619 if (!fixme++)
620 FIXME("Unimplemented interpolation %i\n", interpolation);
621 /* fall-through */
622 case InterpolationModeBilinear:
623 {
624 REAL leftxf, topyf;
625 INT leftx, rightx, topy, bottomy;
626 ARGB topleft, topright, bottomleft, bottomright;
627 ARGB top, bottom;
628 float x_offset;
629
630 leftxf = floorf(point->X);
631 leftx = (INT)leftxf;
632 rightx = (INT)ceilf(point->X);
633 topyf = floorf(point->Y);
634 topy = (INT)topyf;
635 bottomy = (INT)ceilf(point->Y);
636
637 if (leftx == rightx && topy == bottomy)
638 return sample_bitmap_pixel(src_rect, bits, width, height,
639 leftx, topy, attributes);
640
641 topleft = sample_bitmap_pixel(src_rect, bits, width, height,
642 leftx, topy, attributes);
643 topright = sample_bitmap_pixel(src_rect, bits, width, height,
644 rightx, topy, attributes);
645 bottomleft = sample_bitmap_pixel(src_rect, bits, width, height,
646 leftx, bottomy, attributes);
647 bottomright = sample_bitmap_pixel(src_rect, bits, width, height,
648 rightx, bottomy, attributes);
649
650 x_offset = point->X - leftxf;
651 top = blend_colors(topleft, topright, x_offset);
652 bottom = blend_colors(bottomleft, bottomright, x_offset);
653
654 return blend_colors(top, bottom, point->Y - topyf);
655 }
656 case InterpolationModeNearestNeighbor:
657 return sample_bitmap_pixel(src_rect, bits, width, height,
658 roundr(point->X), roundr(point->Y), attributes);
659 }
660 }
661
662 static INT brush_can_fill_path(GpBrush *brush)
663 {
664 switch (brush->bt)
665 {
666 case BrushTypeSolidColor:
667 case BrushTypeHatchFill:
668 return 1;
669 case BrushTypeLinearGradient:
670 case BrushTypeTextureFill:
671 /* Gdi32 isn't much help with these, so we should use brush_fill_pixels instead. */
672 default:
673 return 0;
674 }
675 }
676
677 static void brush_fill_path(GpGraphics *graphics, GpBrush* brush)
678 {
679 switch (brush->bt)
680 {
681 case BrushTypeSolidColor:
682 {
683 GpSolidFill *fill = (GpSolidFill*)brush;
684 if (fill->bmp)
685 {
686 RECT rc;
687 /* partially transparent fill */
688
689 SelectClipPath(graphics->hdc, RGN_AND);
690 if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
691 {
692 HDC hdc = CreateCompatibleDC(NULL);
693 HBITMAP oldbmp;
694 BLENDFUNCTION bf;
695
696 if (!hdc) break;
697
698 oldbmp = SelectObject(hdc, fill->bmp);
699
700 bf.BlendOp = AC_SRC_OVER;
701 bf.BlendFlags = 0;
702 bf.SourceConstantAlpha = 255;
703 bf.AlphaFormat = AC_SRC_ALPHA;
704
705 GdiAlphaBlend(graphics->hdc, rc.left, rc.top, rc.right-rc.left, rc.bottom-rc.top, hdc, 0, 0, 1, 1, bf);
706
707 SelectObject(hdc, oldbmp);
708 DeleteDC(hdc);
709 }
710
711 break;
712 }
713 /* else fall through */
714 }
715 default:
716 SelectObject(graphics->hdc, brush->gdibrush);
717 FillPath(graphics->hdc);
718 break;
719 }
720 }
721
722 static INT brush_can_fill_pixels(GpBrush *brush)
723 {
724 switch (brush->bt)
725 {
726 case BrushTypeSolidColor:
727 case BrushTypeHatchFill:
728 case BrushTypeLinearGradient:
729 case BrushTypeTextureFill:
730 return 1;
731 default:
732 return 0;
733 }
734 }
735
736 static GpStatus brush_fill_pixels(GpGraphics *graphics, GpBrush *brush,
737 DWORD *argb_pixels, GpRect *fill_area, UINT cdwStride)
738 {
739 switch (brush->bt)
740 {
741 case BrushTypeSolidColor:
742 {
743 int x, y;
744 GpSolidFill *fill = (GpSolidFill*)brush;
745 for (x=0; x<fill_area->Width; x++)
746 for (y=0; y<fill_area->Height; y++)
747 argb_pixels[x + y*cdwStride] = fill->color;
748 return Ok;
749 }
750 case BrushTypeHatchFill:
751 {
752 int x, y;
753 GpHatch *fill = (GpHatch*)brush;
754 const char *hatch_data;
755
756 if (get_hatch_data(fill->hatchstyle, &hatch_data) != Ok)
757 return NotImplemented;
758
759 for (x=0; x<fill_area->Width; x++)
760 for (y=0; y<fill_area->Height; y++)
761 {
762 int hx, hy;
763
764 /* FIXME: Account for the rendering origin */
765 hx = (x + fill_area->X) % 8;
766 hy = (y + fill_area->Y) % 8;
767
768 if ((hatch_data[7-hy] & (0x80 >> hx)) != 0)
769 argb_pixels[x + y*cdwStride] = fill->forecol;
770 else
771 argb_pixels[x + y*cdwStride] = fill->backcol;
772 }
773
774 return Ok;
775 }
776 case BrushTypeLinearGradient:
777 {
778 GpLineGradient *fill = (GpLineGradient*)brush;
779 GpPointF draw_points[3], line_points[3];
780 GpStatus stat;
781 static const GpRectF box_1 = { 0.0, 0.0, 1.0, 1.0 };
782 GpMatrix *world_to_gradient; /* FIXME: Store this in the brush? */
783 int x, y;
784
785 draw_points[0].X = fill_area->X;
786 draw_points[0].Y = fill_area->Y;
787 draw_points[1].X = fill_area->X+1;
788 draw_points[1].Y = fill_area->Y;
789 draw_points[2].X = fill_area->X;
790 draw_points[2].Y = fill_area->Y+1;
791
792 /* Transform the points to a co-ordinate space where X is the point's
793 * position in the gradient, 0.0 being the start point and 1.0 the
794 * end point. */
795 stat = GdipTransformPoints(graphics, CoordinateSpaceWorld,
796 CoordinateSpaceDevice, draw_points, 3);
797
798 if (stat == Ok)
799 {
800 line_points[0] = fill->startpoint;
801 line_points[1] = fill->endpoint;
802 line_points[2].X = fill->startpoint.X + (fill->startpoint.Y - fill->endpoint.Y);
803 line_points[2].Y = fill->startpoint.Y + (fill->endpoint.X - fill->startpoint.X);
804
805 stat = GdipCreateMatrix3(&box_1, line_points, &world_to_gradient);
806 }
807
808 if (stat == Ok)
809 {
810 stat = GdipInvertMatrix(world_to_gradient);
811
812 if (stat == Ok)
813 stat = GdipTransformMatrixPoints(world_to_gradient, draw_points, 3);
814
815 GdipDeleteMatrix(world_to_gradient);
816 }
817
818 if (stat == Ok)
819 {
820 REAL x_delta = draw_points[1].X - draw_points[0].X;
821 REAL y_delta = draw_points[2].X - draw_points[0].X;
822
823 for (y=0; y<fill_area->Height; y++)
824 {
825 for (x=0; x<fill_area->Width; x++)
826 {
827 REAL pos = draw_points[0].X + x * x_delta + y * y_delta;
828
829 argb_pixels[x + y*cdwStride] = blend_line_gradient(fill, pos);
830 }
831 }
832 }
833
834 return stat;
835 }
836 case BrushTypeTextureFill:
837 {
838 GpTexture *fill = (GpTexture*)brush;
839 GpPointF draw_points[3];
840 GpStatus stat;
841 GpMatrix *world_to_texture;
842 int x, y;
843 GpBitmap *bitmap;
844 int src_stride;
845 GpRect src_area;
846
847 if (fill->image->type != ImageTypeBitmap)
848 {
849 FIXME("metafile texture brushes not implemented\n");
850 return NotImplemented;
851 }
852
853 bitmap = (GpBitmap*)fill->image;
854 src_stride = sizeof(ARGB) * bitmap->width;
855
856 src_area.X = src_area.Y = 0;
857 src_area.Width = bitmap->width;
858 src_area.Height = bitmap->height;
859
860 draw_points[0].X = fill_area->X;
861 draw_points[0].Y = fill_area->Y;
862 draw_points[1].X = fill_area->X+1;
863 draw_points[1].Y = fill_area->Y;
864 draw_points[2].X = fill_area->X;
865 draw_points[2].Y = fill_area->Y+1;
866
867 /* Transform the points to the co-ordinate space of the bitmap. */
868 stat = GdipTransformPoints(graphics, CoordinateSpaceWorld,
869 CoordinateSpaceDevice, draw_points, 3);
870
871 if (stat == Ok)
872 {
873 stat = GdipCloneMatrix(fill->transform, &world_to_texture);
874 }
875
876 if (stat == Ok)
877 {
878 stat = GdipInvertMatrix(world_to_texture);
879
880 if (stat == Ok)
881 stat = GdipTransformMatrixPoints(world_to_texture, draw_points, 3);
882
883 GdipDeleteMatrix(world_to_texture);
884 }
885
886 if (stat == Ok && !fill->bitmap_bits)
887 {
888 BitmapData lockeddata;
889
890 fill->bitmap_bits = GdipAlloc(sizeof(ARGB) * bitmap->width * bitmap->height);
891 if (!fill->bitmap_bits)
892 stat = OutOfMemory;
893
894 if (stat == Ok)
895 {
896 lockeddata.Width = bitmap->width;
897 lockeddata.Height = bitmap->height;
898 lockeddata.Stride = src_stride;
899 lockeddata.PixelFormat = PixelFormat32bppARGB;
900 lockeddata.Scan0 = fill->bitmap_bits;
901
902 stat = GdipBitmapLockBits(bitmap, &src_area, ImageLockModeRead|ImageLockModeUserInputBuf,
903 PixelFormat32bppARGB, &lockeddata);
904 }
905
906 if (stat == Ok)
907 stat = GdipBitmapUnlockBits(bitmap, &lockeddata);
908
909 if (stat == Ok)
910 apply_image_attributes(fill->imageattributes, fill->bitmap_bits,
911 bitmap->width, bitmap->height,
912 src_stride, ColorAdjustTypeBitmap);
913
914 if (stat != Ok)
915 {
916 GdipFree(fill->bitmap_bits);
917 fill->bitmap_bits = NULL;
918 }
919 }
920
921 if (stat == Ok)
922 {
923 REAL x_dx = draw_points[1].X - draw_points[0].X;
924 REAL x_dy = draw_points[1].Y - draw_points[0].Y;
925 REAL y_dx = draw_points[2].X - draw_points[0].X;
926 REAL y_dy = draw_points[2].Y - draw_points[0].Y;
927
928 for (y=0; y<fill_area->Height; y++)
929 {
930 for (x=0; x<fill_area->Width; x++)
931 {
932 GpPointF point;
933 point.X = draw_points[0].X + x * x_dx + y * y_dx;
934 point.Y = draw_points[0].Y + y * x_dy + y * y_dy;
935
936 argb_pixels[x + y*cdwStride] = resample_bitmap_pixel(
937 &src_area, fill->bitmap_bits, bitmap->width, bitmap->height,
938 &point, fill->imageattributes, graphics->interpolation);
939 }
940 }
941 }
942
943 return stat;
944 }
945 default:
946 return NotImplemented;
947 }
948 }
949
950 /* GdipDrawPie/GdipFillPie helper function */
951 static void draw_pie(GpGraphics *graphics, REAL x, REAL y, REAL width,
952 REAL height, REAL startAngle, REAL sweepAngle)
953 {
954 GpPointF ptf[4];
955 POINT pti[4];
956
957 ptf[0].X = x;
958 ptf[0].Y = y;
959 ptf[1].X = x + width;
960 ptf[1].Y = y + height;
961
962 deg2xy(startAngle+sweepAngle, x + width / 2.0, y + width / 2.0, &ptf[2].X, &ptf[2].Y);
963 deg2xy(startAngle, x + width / 2.0, y + width / 2.0, &ptf[3].X, &ptf[3].Y);
964
965 transform_and_round_points(graphics, pti, ptf, 4);
966
967 Pie(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y, pti[2].x,
968 pti[2].y, pti[3].x, pti[3].y);
969 }
970
971 /* Draws the linecap the specified color and size on the hdc. The linecap is in
972 * direction of the line from x1, y1 to x2, y2 and is anchored on x2, y2. Probably
973 * should not be called on an hdc that has a path you care about. */
974 static void draw_cap(GpGraphics *graphics, COLORREF color, GpLineCap cap, REAL size,
975 const GpCustomLineCap *custom, REAL x1, REAL y1, REAL x2, REAL y2)
976 {
977 HGDIOBJ oldbrush = NULL, oldpen = NULL;
978 GpMatrix *matrix = NULL;
979 HBRUSH brush = NULL;
980 HPEN pen = NULL;
981 PointF ptf[4], *custptf = NULL;
982 POINT pt[4], *custpt = NULL;
983 BYTE *tp = NULL;
984 REAL theta, dsmall, dbig, dx, dy = 0.0;
985 INT i, count;
986 LOGBRUSH lb;
987 BOOL customstroke;
988
989 if((x1 == x2) && (y1 == y2))
990 return;
991
992 theta = gdiplus_atan2(y2 - y1, x2 - x1);
993
994 customstroke = (cap == LineCapCustom) && custom && (!custom->fill);
995 if(!customstroke){
996 brush = CreateSolidBrush(color);
997 lb.lbStyle = BS_SOLID;
998 lb.lbColor = color;
999 lb.lbHatch = 0;
1000 pen = ExtCreatePen(PS_GEOMETRIC | PS_SOLID | PS_ENDCAP_FLAT |
1001 PS_JOIN_MITER, 1, &lb, 0,
1002 NULL);
1003 oldbrush = SelectObject(graphics->hdc, brush);
1004 oldpen = SelectObject(graphics->hdc, pen);
1005 }
1006
1007 switch(cap){
1008 case LineCapFlat:
1009 break;
1010 case LineCapSquare:
1011 case LineCapSquareAnchor:
1012 case LineCapDiamondAnchor:
1013 size = size * (cap & LineCapNoAnchor ? ANCHOR_WIDTH : 1.0) / 2.0;
1014 if(cap == LineCapDiamondAnchor){
1015 dsmall = cos(theta + M_PI_2) * size;
1016 dbig = sin(theta + M_PI_2) * size;
1017 }
1018 else{
1019 dsmall = cos(theta + M_PI_4) * size;
1020 dbig = sin(theta + M_PI_4) * size;
1021 }
1022
1023 ptf[0].X = x2 - dsmall;
1024 ptf[1].X = x2 + dbig;
1025
1026 ptf[0].Y = y2 - dbig;
1027 ptf[3].Y = y2 + dsmall;
1028
1029 ptf[1].Y = y2 - dsmall;
1030 ptf[2].Y = y2 + dbig;
1031
1032 ptf[3].X = x2 - dbig;
1033 ptf[2].X = x2 + dsmall;
1034
1035 transform_and_round_points(graphics, pt, ptf, 4);
1036 Polygon(graphics->hdc, pt, 4);
1037
1038 break;
1039 case LineCapArrowAnchor:
1040 size = size * 4.0 / sqrt(3.0);
1041
1042 dx = cos(M_PI / 6.0 + theta) * size;
1043 dy = sin(M_PI / 6.0 + theta) * size;
1044
1045 ptf[0].X = x2 - dx;
1046 ptf[0].Y = y2 - dy;
1047
1048 dx = cos(- M_PI / 6.0 + theta) * size;
1049 dy = sin(- M_PI / 6.0 + theta) * size;
1050
1051 ptf[1].X = x2 - dx;
1052 ptf[1].Y = y2 - dy;
1053
1054 ptf[2].X = x2;
1055 ptf[2].Y = y2;
1056
1057 transform_and_round_points(graphics, pt, ptf, 3);
1058 Polygon(graphics->hdc, pt, 3);
1059
1060 break;
1061 case LineCapRoundAnchor:
1062 dx = dy = ANCHOR_WIDTH * size / 2.0;
1063
1064 ptf[0].X = x2 - dx;
1065 ptf[0].Y = y2 - dy;
1066 ptf[1].X = x2 + dx;
1067 ptf[1].Y = y2 + dy;
1068
1069 transform_and_round_points(graphics, pt, ptf, 2);
1070 Ellipse(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y);
1071
1072 break;
1073 case LineCapTriangle:
1074 size = size / 2.0;
1075 dx = cos(M_PI_2 + theta) * size;
1076 dy = sin(M_PI_2 + theta) * size;
1077
1078 ptf[0].X = x2 - dx;
1079 ptf[0].Y = y2 - dy;
1080 ptf[1].X = x2 + dx;
1081 ptf[1].Y = y2 + dy;
1082
1083 dx = cos(theta) * size;
1084 dy = sin(theta) * size;
1085
1086 ptf[2].X = x2 + dx;
1087 ptf[2].Y = y2 + dy;
1088
1089 transform_and_round_points(graphics, pt, ptf, 3);
1090 Polygon(graphics->hdc, pt, 3);
1091
1092 break;
1093 case LineCapRound:
1094 dx = dy = size / 2.0;
1095
1096 ptf[0].X = x2 - dx;
1097 ptf[0].Y = y2 - dy;
1098 ptf[1].X = x2 + dx;
1099 ptf[1].Y = y2 + dy;
1100
1101 dx = -cos(M_PI_2 + theta) * size;
1102 dy = -sin(M_PI_2 + theta) * size;
1103
1104 ptf[2].X = x2 - dx;
1105 ptf[2].Y = y2 - dy;
1106 ptf[3].X = x2 + dx;
1107 ptf[3].Y = y2 + dy;
1108
1109 transform_and_round_points(graphics, pt, ptf, 4);
1110 Pie(graphics->hdc, pt[0].x, pt[0].y, pt[1].x, pt[1].y, pt[2].x,
1111 pt[2].y, pt[3].x, pt[3].y);
1112
1113 break;
1114 case LineCapCustom:
1115 if(!custom)
1116 break;
1117
1118 count = custom->pathdata.Count;
1119 custptf = GdipAlloc(count * sizeof(PointF));
1120 custpt = GdipAlloc(count * sizeof(POINT));
1121 tp = GdipAlloc(count);
1122
1123 if(!custptf || !custpt || !tp || (GdipCreateMatrix(&matrix) != Ok))
1124 goto custend;
1125
1126 memcpy(custptf, custom->pathdata.Points, count * sizeof(PointF));
1127
1128 GdipScaleMatrix(matrix, size, size, MatrixOrderAppend);
1129 GdipRotateMatrix(matrix, (180.0 / M_PI) * (theta - M_PI_2),
1130 MatrixOrderAppend);
1131 GdipTranslateMatrix(matrix, x2, y2, MatrixOrderAppend);
1132 GdipTransformMatrixPoints(matrix, custptf, count);
1133
1134 transform_and_round_points(graphics, custpt, custptf, count);
1135
1136 for(i = 0; i < count; i++)
1137 tp[i] = convert_path_point_type(custom->pathdata.Types[i]);
1138
1139 if(custom->fill){
1140 BeginPath(graphics->hdc);
1141 PolyDraw(graphics->hdc, custpt, tp, count);
1142 EndPath(graphics->hdc);
1143 StrokeAndFillPath(graphics->hdc);
1144 }
1145 else
1146 PolyDraw(graphics->hdc, custpt, tp, count);
1147
1148 custend:
1149 GdipFree(custptf);
1150 GdipFree(custpt);
1151 GdipFree(tp);
1152 GdipDeleteMatrix(matrix);
1153 break;
1154 default:
1155 break;
1156 }
1157
1158 if(!customstroke){
1159 SelectObject(graphics->hdc, oldbrush);
1160 SelectObject(graphics->hdc, oldpen);
1161 DeleteObject(brush);
1162 DeleteObject(pen);
1163 }
1164 }
1165
1166 /* Shortens the line by the given percent by changing x2, y2.
1167 * If percent is > 1.0 then the line will change direction.
1168 * If percent is negative it can lengthen the line. */
1169 static void shorten_line_percent(REAL x1, REAL y1, REAL *x2, REAL *y2, REAL percent)
1170 {
1171 REAL dist, theta, dx, dy;
1172
1173 if((y1 == *y2) && (x1 == *x2))
1174 return;
1175
1176 dist = sqrt((*x2 - x1) * (*x2 - x1) + (*y2 - y1) * (*y2 - y1)) * -percent;
1177 theta = gdiplus_atan2((*y2 - y1), (*x2 - x1));
1178 dx = cos(theta) * dist;
1179 dy = sin(theta) * dist;
1180
1181 *x2 = *x2 + dx;
1182 *y2 = *y2 + dy;
1183 }
1184
1185 /* Shortens the line by the given amount by changing x2, y2.
1186 * If the amount is greater than the distance, the line will become length 0.
1187 * If the amount is negative, it can lengthen the line. */
1188 static void shorten_line_amt(REAL x1, REAL y1, REAL *x2, REAL *y2, REAL amt)
1189 {
1190 REAL dx, dy, percent;
1191
1192 dx = *x2 - x1;
1193 dy = *y2 - y1;
1194 if(dx == 0 && dy == 0)
1195 return;
1196
1197 percent = amt / sqrt(dx * dx + dy * dy);
1198 if(percent >= 1.0){
1199 *x2 = x1;
1200 *y2 = y1;
1201 return;
1202 }
1203
1204 shorten_line_percent(x1, y1, x2, y2, percent);
1205 }
1206
1207 /* Draws lines between the given points, and if caps is true then draws an endcap
1208 * at the end of the last line. */
1209 static GpStatus draw_polyline(GpGraphics *graphics, GpPen *pen,
1210 GDIPCONST GpPointF * pt, INT count, BOOL caps)
1211 {
1212 POINT *pti = NULL;
1213 GpPointF *ptcopy = NULL;
1214 GpStatus status = GenericError;
1215
1216 if(!count)
1217 return Ok;
1218
1219 pti = GdipAlloc(count * sizeof(POINT));
1220 ptcopy = GdipAlloc(count * sizeof(GpPointF));
1221
1222 if(!pti || !ptcopy){
1223 status = OutOfMemory;
1224 goto end;
1225 }
1226
1227 memcpy(ptcopy, pt, count * sizeof(GpPointF));
1228
1229 if(caps){
1230 if(pen->endcap == LineCapArrowAnchor)
1231 shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
1232 &ptcopy[count-1].X, &ptcopy[count-1].Y, pen->width);
1233 else if((pen->endcap == LineCapCustom) && pen->customend)
1234 shorten_line_amt(ptcopy[count-2].X, ptcopy[count-2].Y,
1235 &ptcopy[count-1].X, &ptcopy[count-1].Y,
1236 pen->customend->inset * pen->width);
1237
1238 if(pen->startcap == LineCapArrowAnchor)
1239 shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
1240 &ptcopy[0].X, &ptcopy[0].Y, pen->width);
1241 else if((pen->startcap == LineCapCustom) && pen->customstart)
1242 shorten_line_amt(ptcopy[1].X, ptcopy[1].Y,
1243 &ptcopy[0].X, &ptcopy[0].Y,
1244 pen->customstart->inset * pen->width);
1245
1246 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
1247 pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X, pt[count - 1].Y);
1248 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
1249 pt[1].X, pt[1].Y, pt[0].X, pt[0].Y);
1250 }
1251
1252 transform_and_round_points(graphics, pti, ptcopy, count);
1253
1254 if(Polyline(graphics->hdc, pti, count))
1255 status = Ok;
1256
1257 end:
1258 GdipFree(pti);
1259 GdipFree(ptcopy);
1260
1261 return status;
1262 }
1263
1264 /* Conducts a linear search to find the bezier points that will back off
1265 * the endpoint of the curve by a distance of amt. Linear search works
1266 * better than binary in this case because there are multiple solutions,
1267 * and binary searches often find a bad one. I don't think this is what
1268 * Windows does but short of rendering the bezier without GDI's help it's
1269 * the best we can do. If rev then work from the start of the passed points
1270 * instead of the end. */
1271 static void shorten_bezier_amt(GpPointF * pt, REAL amt, BOOL rev)
1272 {
1273 GpPointF origpt[4];
1274 REAL percent = 0.00, dx, dy, origx, origy, diff = -1.0;
1275 INT i, first = 0, second = 1, third = 2, fourth = 3;
1276
1277 if(rev){
1278 first = 3;
1279 second = 2;
1280 third = 1;
1281 fourth = 0;
1282 }
1283
1284 origx = pt[fourth].X;
1285 origy = pt[fourth].Y;
1286 memcpy(origpt, pt, sizeof(GpPointF) * 4);
1287
1288 for(i = 0; (i < MAX_ITERS) && (diff < amt); i++){
1289 /* reset bezier points to original values */
1290 memcpy(pt, origpt, sizeof(GpPointF) * 4);
1291 /* Perform magic on bezier points. Order is important here.*/
1292 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
1293 shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
1294 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
1295 shorten_line_percent(pt[first].X, pt[first].Y, &pt[second].X, &pt[second].Y, percent);
1296 shorten_line_percent(pt[second].X, pt[second].Y, &pt[third].X, &pt[third].Y, percent);
1297 shorten_line_percent(pt[third].X, pt[third].Y, &pt[fourth].X, &pt[fourth].Y, percent);
1298
1299 dx = pt[fourth].X - origx;
1300 dy = pt[fourth].Y - origy;
1301
1302 diff = sqrt(dx * dx + dy * dy);
1303 percent += 0.0005 * amt;
1304 }
1305 }
1306
1307 /* Draws bezier curves between given points, and if caps is true then draws an
1308 * endcap at the end of the last line. */
1309 static GpStatus draw_polybezier(GpGraphics *graphics, GpPen *pen,
1310 GDIPCONST GpPointF * pt, INT count, BOOL caps)
1311 {
1312 POINT *pti;
1313 GpPointF *ptcopy;
1314 GpStatus status = GenericError;
1315
1316 if(!count)
1317 return Ok;
1318
1319 pti = GdipAlloc(count * sizeof(POINT));
1320 ptcopy = GdipAlloc(count * sizeof(GpPointF));
1321
1322 if(!pti || !ptcopy){
1323 status = OutOfMemory;
1324 goto end;
1325 }
1326
1327 memcpy(ptcopy, pt, count * sizeof(GpPointF));
1328
1329 if(caps){
1330 if(pen->endcap == LineCapArrowAnchor)
1331 shorten_bezier_amt(&ptcopy[count-4], pen->width, FALSE);
1332 else if((pen->endcap == LineCapCustom) && pen->customend)
1333 shorten_bezier_amt(&ptcopy[count-4], pen->width * pen->customend->inset,
1334 FALSE);
1335
1336 if(pen->startcap == LineCapArrowAnchor)
1337 shorten_bezier_amt(ptcopy, pen->width, TRUE);
1338 else if((pen->startcap == LineCapCustom) && pen->customstart)
1339 shorten_bezier_amt(ptcopy, pen->width * pen->customstart->inset, TRUE);
1340
1341 /* the direction of the line cap is parallel to the direction at the
1342 * end of the bezier (which, if it has been shortened, is not the same
1343 * as the direction from pt[count-2] to pt[count-1]) */
1344 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
1345 pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
1346 pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
1347 pt[count - 1].X, pt[count - 1].Y);
1348
1349 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
1350 pt[0].X - (ptcopy[0].X - ptcopy[1].X),
1351 pt[0].Y - (ptcopy[0].Y - ptcopy[1].Y), pt[0].X, pt[0].Y);
1352 }
1353
1354 transform_and_round_points(graphics, pti, ptcopy, count);
1355
1356 PolyBezier(graphics->hdc, pti, count);
1357
1358 status = Ok;
1359
1360 end:
1361 GdipFree(pti);
1362 GdipFree(ptcopy);
1363
1364 return status;
1365 }
1366
1367 /* Draws a combination of bezier curves and lines between points. */
1368 static GpStatus draw_poly(GpGraphics *graphics, GpPen *pen, GDIPCONST GpPointF * pt,
1369 GDIPCONST BYTE * types, INT count, BOOL caps)
1370 {
1371 POINT *pti = GdipAlloc(count * sizeof(POINT));
1372 BYTE *tp = GdipAlloc(count);
1373 GpPointF *ptcopy = GdipAlloc(count * sizeof(GpPointF));
1374 INT i, j;
1375 GpStatus status = GenericError;
1376
1377 if(!count){
1378 status = Ok;
1379 goto end;
1380 }
1381 if(!pti || !tp || !ptcopy){
1382 status = OutOfMemory;
1383 goto end;
1384 }
1385
1386 for(i = 1; i < count; i++){
1387 if((types[i] & PathPointTypePathTypeMask) == PathPointTypeBezier){
1388 if((i + 2 >= count) || !(types[i + 1] & PathPointTypeBezier)
1389 || !(types[i + 1] & PathPointTypeBezier)){
1390 ERR("Bad bezier points\n");
1391 goto end;
1392 }
1393 i += 2;
1394 }
1395 }
1396
1397 memcpy(ptcopy, pt, count * sizeof(GpPointF));
1398
1399 /* If we are drawing caps, go through the points and adjust them accordingly,
1400 * and draw the caps. */
1401 if(caps){
1402 switch(types[count - 1] & PathPointTypePathTypeMask){
1403 case PathPointTypeBezier:
1404 if(pen->endcap == LineCapArrowAnchor)
1405 shorten_bezier_amt(&ptcopy[count - 4], pen->width, FALSE);
1406 else if((pen->endcap == LineCapCustom) && pen->customend)
1407 shorten_bezier_amt(&ptcopy[count - 4],
1408 pen->width * pen->customend->inset, FALSE);
1409
1410 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
1411 pt[count - 1].X - (ptcopy[count - 1].X - ptcopy[count - 2].X),
1412 pt[count - 1].Y - (ptcopy[count - 1].Y - ptcopy[count - 2].Y),
1413 pt[count - 1].X, pt[count - 1].Y);
1414
1415 break;
1416 case PathPointTypeLine:
1417 if(pen->endcap == LineCapArrowAnchor)
1418 shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
1419 &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
1420 pen->width);
1421 else if((pen->endcap == LineCapCustom) && pen->customend)
1422 shorten_line_amt(ptcopy[count - 2].X, ptcopy[count - 2].Y,
1423 &ptcopy[count - 1].X, &ptcopy[count - 1].Y,
1424 pen->customend->inset * pen->width);
1425
1426 draw_cap(graphics, pen->brush->lb.lbColor, pen->endcap, pen->width, pen->customend,
1427 pt[count - 2].X, pt[count - 2].Y, pt[count - 1].X,
1428 pt[count - 1].Y);
1429
1430 break;
1431 default:
1432 ERR("Bad path last point\n");
1433 goto end;
1434 }
1435
1436 /* Find start of points */
1437 for(j = 1; j < count && ((types[j] & PathPointTypePathTypeMask)
1438 == PathPointTypeStart); j++);
1439
1440 switch(types[j] & PathPointTypePathTypeMask){
1441 case PathPointTypeBezier:
1442 if(pen->startcap == LineCapArrowAnchor)
1443 shorten_bezier_amt(&ptcopy[j - 1], pen->width, TRUE);
1444 else if((pen->startcap == LineCapCustom) && pen->customstart)
1445 shorten_bezier_amt(&ptcopy[j - 1],
1446 pen->width * pen->customstart->inset, TRUE);
1447
1448 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
1449 pt[j - 1].X - (ptcopy[j - 1].X - ptcopy[j].X),
1450 pt[j - 1].Y - (ptcopy[j - 1].Y - ptcopy[j].Y),
1451 pt[j - 1].X, pt[j - 1].Y);
1452
1453 break;
1454 case PathPointTypeLine:
1455 if(pen->startcap == LineCapArrowAnchor)
1456 shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
1457 &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
1458 pen->width);
1459 else if((pen->startcap == LineCapCustom) && pen->customstart)
1460 shorten_line_amt(ptcopy[j].X, ptcopy[j].Y,
1461 &ptcopy[j - 1].X, &ptcopy[j - 1].Y,
1462 pen->customstart->inset * pen->width);
1463
1464 draw_cap(graphics, pen->brush->lb.lbColor, pen->startcap, pen->width, pen->customstart,
1465 pt[j].X, pt[j].Y, pt[j - 1].X,
1466 pt[j - 1].Y);
1467
1468 break;
1469 default:
1470 ERR("Bad path points\n");
1471 goto end;
1472 }
1473 }
1474
1475 transform_and_round_points(graphics, pti, ptcopy, count);
1476
1477 for(i = 0; i < count; i++){
1478 tp[i] = convert_path_point_type(types[i]);
1479 }
1480
1481 PolyDraw(graphics->hdc, pti, tp, count);
1482
1483 status = Ok;
1484
1485 end:
1486 GdipFree(pti);
1487 GdipFree(ptcopy);
1488 GdipFree(tp);
1489
1490 return status;
1491 }
1492
1493 GpStatus trace_path(GpGraphics *graphics, GpPath *path)
1494 {
1495 GpStatus result;
1496
1497 BeginPath(graphics->hdc);
1498 result = draw_poly(graphics, NULL, path->pathdata.Points,
1499 path->pathdata.Types, path->pathdata.Count, FALSE);
1500 EndPath(graphics->hdc);
1501 return result;
1502 }
1503
1504 typedef struct _GraphicsContainerItem {
1505 struct list entry;
1506 GraphicsContainer contid;
1507
1508 SmoothingMode smoothing;
1509 CompositingQuality compqual;
1510 InterpolationMode interpolation;
1511 CompositingMode compmode;
1512 TextRenderingHint texthint;
1513 REAL scale;
1514 GpUnit unit;
1515 PixelOffsetMode pixeloffset;
1516 UINT textcontrast;
1517 GpMatrix* worldtrans;
1518 GpRegion* clip;
1519 } GraphicsContainerItem;
1520
1521 static GpStatus init_container(GraphicsContainerItem** container,
1522 GDIPCONST GpGraphics* graphics){
1523 GpStatus sts;
1524
1525 *container = GdipAlloc(sizeof(GraphicsContainerItem));
1526 if(!(*container))
1527 return OutOfMemory;
1528
1529 (*container)->contid = graphics->contid + 1;
1530
1531 (*container)->smoothing = graphics->smoothing;
1532 (*container)->compqual = graphics->compqual;
1533 (*container)->interpolation = graphics->interpolation;
1534 (*container)->compmode = graphics->compmode;
1535 (*container)->texthint = graphics->texthint;
1536 (*container)->scale = graphics->scale;
1537 (*container)->unit = graphics->unit;
1538 (*container)->textcontrast = graphics->textcontrast;
1539 (*container)->pixeloffset = graphics->pixeloffset;
1540
1541 sts = GdipCloneMatrix(graphics->worldtrans, &(*container)->worldtrans);
1542 if(sts != Ok){
1543 GdipFree(*container);
1544 *container = NULL;
1545 return sts;
1546 }
1547
1548 sts = GdipCloneRegion(graphics->clip, &(*container)->clip);
1549 if(sts != Ok){
1550 GdipDeleteMatrix((*container)->worldtrans);
1551 GdipFree(*container);
1552 *container = NULL;
1553 return sts;
1554 }
1555
1556 return Ok;
1557 }
1558
1559 static void delete_container(GraphicsContainerItem* container){
1560 GdipDeleteMatrix(container->worldtrans);
1561 GdipDeleteRegion(container->clip);
1562 GdipFree(container);
1563 }
1564
1565 static GpStatus restore_container(GpGraphics* graphics,
1566 GDIPCONST GraphicsContainerItem* container){
1567 GpStatus sts;
1568 GpMatrix *newTrans;
1569 GpRegion *newClip;
1570
1571 sts = GdipCloneMatrix(container->worldtrans, &newTrans);
1572 if(sts != Ok)
1573 return sts;
1574
1575 sts = GdipCloneRegion(container->clip, &newClip);
1576 if(sts != Ok){
1577 GdipDeleteMatrix(newTrans);
1578 return sts;
1579 }
1580
1581 GdipDeleteMatrix(graphics->worldtrans);
1582 graphics->worldtrans = newTrans;
1583
1584 GdipDeleteRegion(graphics->clip);
1585 graphics->clip = newClip;
1586
1587 graphics->contid = container->contid - 1;
1588
1589 graphics->smoothing = container->smoothing;
1590 graphics->compqual = container->compqual;
1591 graphics->interpolation = container->interpolation;
1592 graphics->compmode = container->compmode;
1593 graphics->texthint = container->texthint;
1594 graphics->scale = container->scale;
1595 graphics->unit = container->unit;
1596 graphics->textcontrast = container->textcontrast;
1597 graphics->pixeloffset = container->pixeloffset;
1598
1599 return Ok;
1600 }
1601
1602 static GpStatus get_graphics_bounds(GpGraphics* graphics, GpRectF* rect)
1603 {
1604 RECT wnd_rect;
1605 GpStatus stat=Ok;
1606 GpUnit unit;
1607
1608 if(graphics->hwnd) {
1609 if(!GetClientRect(graphics->hwnd, &wnd_rect))
1610 return GenericError;
1611
1612 rect->X = wnd_rect.left;
1613 rect->Y = wnd_rect.top;
1614 rect->Width = wnd_rect.right - wnd_rect.left;
1615 rect->Height = wnd_rect.bottom - wnd_rect.top;
1616 }else if (graphics->image){
1617 stat = GdipGetImageBounds(graphics->image, rect, &unit);
1618 if (stat == Ok && unit != UnitPixel)
1619 FIXME("need to convert from unit %i\n", unit);
1620 }else{
1621 rect->X = 0;
1622 rect->Y = 0;
1623 rect->Width = GetDeviceCaps(graphics->hdc, HORZRES);
1624 rect->Height = GetDeviceCaps(graphics->hdc, VERTRES);
1625 }
1626
1627 return stat;
1628 }
1629
1630 /* on success, rgn will contain the region of the graphics object which
1631 * is visible after clipping has been applied */
1632 static GpStatus get_visible_clip_region(GpGraphics *graphics, GpRegion *rgn)
1633 {
1634 GpStatus stat;
1635 GpRectF rectf;
1636 GpRegion* tmp;
1637
1638 if((stat = get_graphics_bounds(graphics, &rectf)) != Ok)
1639 return stat;
1640
1641 if((stat = GdipCreateRegion(&tmp)) != Ok)
1642 return stat;
1643
1644 if((stat = GdipCombineRegionRect(tmp, &rectf, CombineModeReplace)) != Ok)
1645 goto end;
1646
1647 if((stat = GdipCombineRegionRegion(tmp, graphics->clip, CombineModeIntersect)) != Ok)
1648 goto end;
1649
1650 stat = GdipCombineRegionRegion(rgn, tmp, CombineModeReplace);
1651
1652 end:
1653 GdipDeleteRegion(tmp);
1654 return stat;
1655 }
1656
1657 void get_font_hfont(GpGraphics *graphics, GDIPCONST GpFont *font, HFONT *hfont)
1658 {
1659 HDC hdc = CreateCompatibleDC(0);
1660 GpPointF pt[3];
1661 REAL angle, rel_width, rel_height;
1662 LOGFONTW lfw;
1663 HFONT unscaled_font;
1664 TEXTMETRICW textmet;
1665
1666 pt[0].X = 0.0;
1667 pt[0].Y = 0.0;
1668 pt[1].X = 1.0;
1669 pt[1].Y = 0.0;
1670 pt[2].X = 0.0;
1671 pt[2].Y = 1.0;
1672 if (graphics)
1673 GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, pt, 3);
1674 angle = -gdiplus_atan2((pt[1].Y - pt[0].Y), (pt[1].X - pt[0].X));
1675 rel_width = sqrt((pt[1].Y-pt[0].Y)*(pt[1].Y-pt[0].Y)+
1676 (pt[1].X-pt[0].X)*(pt[1].X-pt[0].X));
1677 rel_height = sqrt((pt[2].Y-pt[0].Y)*(pt[2].Y-pt[0].Y)+
1678 (pt[2].X-pt[0].X)*(pt[2].X-pt[0].X));
1679
1680 lfw = font->lfw;
1681 lfw.lfHeight = roundr(-font->pixel_size * rel_height);
1682 unscaled_font = CreateFontIndirectW(&lfw);
1683
1684 SelectObject(hdc, unscaled_font);
1685 GetTextMetricsW(hdc, &textmet);
1686
1687 lfw = font->lfw;
1688 lfw.lfHeight = roundr(-font->pixel_size * rel_height);
1689 lfw.lfWidth = roundr(textmet.tmAveCharWidth * rel_width / rel_height);
1690 lfw.lfEscapement = lfw.lfOrientation = roundr((angle / M_PI) * 1800.0);
1691
1692 *hfont = CreateFontIndirectW(&lfw);
1693
1694 DeleteDC(hdc);
1695 DeleteObject(unscaled_font);
1696 }
1697
1698 GpStatus WINGDIPAPI GdipCreateFromHDC(HDC hdc, GpGraphics **graphics)
1699 {
1700 TRACE("(%p, %p)\n", hdc, graphics);
1701
1702 return GdipCreateFromHDC2(hdc, NULL, graphics);
1703 }
1704
1705 GpStatus WINGDIPAPI GdipCreateFromHDC2(HDC hdc, HANDLE hDevice, GpGraphics **graphics)
1706 {
1707 GpStatus retval;
1708
1709 TRACE("(%p, %p, %p)\n", hdc, hDevice, graphics);
1710
1711 if(hDevice != NULL) {
1712 FIXME("Don't know how to handle parameter hDevice\n");
1713 return NotImplemented;
1714 }
1715
1716 if(hdc == NULL)
1717 return OutOfMemory;
1718
1719 if(graphics == NULL)
1720 return InvalidParameter;
1721
1722 *graphics = GdipAlloc(sizeof(GpGraphics));
1723 if(!*graphics) return OutOfMemory;
1724
1725 if((retval = GdipCreateMatrix(&(*graphics)->worldtrans)) != Ok){
1726 GdipFree(*graphics);
1727 return retval;
1728 }
1729
1730 if((retval = GdipCreateRegion(&(*graphics)->clip)) != Ok){
1731 GdipFree((*graphics)->worldtrans);
1732 GdipFree(*graphics);
1733 return retval;
1734 }
1735
1736 (*graphics)->hdc = hdc;
1737 (*graphics)->hwnd = WindowFromDC(hdc);
1738 (*graphics)->owndc = FALSE;
1739 (*graphics)->smoothing = SmoothingModeDefault;
1740 (*graphics)->compqual = CompositingQualityDefault;
1741 (*graphics)->interpolation = InterpolationModeBilinear;
1742 (*graphics)->pixeloffset = PixelOffsetModeDefault;
1743 (*graphics)->compmode = CompositingModeSourceOver;
1744 (*graphics)->unit = UnitDisplay;
1745 (*graphics)->scale = 1.0;
1746 (*graphics)->busy = FALSE;
1747 (*graphics)->textcontrast = 4;
1748 list_init(&(*graphics)->containers);
1749 (*graphics)->contid = 0;
1750
1751 TRACE("<-- %p\n", *graphics);
1752
1753 return Ok;
1754 }
1755
1756 GpStatus graphics_from_image(GpImage *image, GpGraphics **graphics)
1757 {
1758 GpStatus retval;
1759
1760 *graphics = GdipAlloc(sizeof(GpGraphics));
1761 if(!*graphics) return OutOfMemory;
1762
1763 if((retval = GdipCreateMatrix(&(*graphics)->worldtrans)) != Ok){
1764 GdipFree(*graphics);
1765 return retval;
1766 }
1767
1768 if((retval = GdipCreateRegion(&(*graphics)->clip)) != Ok){
1769 GdipFree((*graphics)->worldtrans);
1770 GdipFree(*graphics);
1771 return retval;
1772 }
1773
1774 (*graphics)->hdc = NULL;
1775 (*graphics)->hwnd = NULL;
1776 (*graphics)->owndc = FALSE;
1777 (*graphics)->image = image;
1778 (*graphics)->smoothing = SmoothingModeDefault;
1779 (*graphics)->compqual = CompositingQualityDefault;
1780 (*graphics)->interpolation = InterpolationModeBilinear;
1781 (*graphics)->pixeloffset = PixelOffsetModeDefault;
1782 (*graphics)->compmode = CompositingModeSourceOver;
1783 (*graphics)->unit = UnitDisplay;
1784 (*graphics)->scale = 1.0;
1785 (*graphics)->busy = FALSE;
1786 (*graphics)->textcontrast = 4;
1787 list_init(&(*graphics)->containers);
1788 (*graphics)->contid = 0;
1789
1790 TRACE("<-- %p\n", *graphics);
1791
1792 return Ok;
1793 }
1794
1795 GpStatus WINGDIPAPI GdipCreateFromHWND(HWND hwnd, GpGraphics **graphics)
1796 {
1797 GpStatus ret;
1798 HDC hdc;
1799
1800 TRACE("(%p, %p)\n", hwnd, graphics);
1801
1802 hdc = GetDC(hwnd);
1803
1804 if((ret = GdipCreateFromHDC(hdc, graphics)) != Ok)
1805 {
1806 ReleaseDC(hwnd, hdc);
1807 return ret;
1808 }
1809
1810 (*graphics)->hwnd = hwnd;
1811 (*graphics)->owndc = TRUE;
1812
1813 return Ok;
1814 }
1815
1816 /* FIXME: no icm handling */
1817 GpStatus WINGDIPAPI GdipCreateFromHWNDICM(HWND hwnd, GpGraphics **graphics)
1818 {
1819 TRACE("(%p, %p)\n", hwnd, graphics);
1820
1821 return GdipCreateFromHWND(hwnd, graphics);
1822 }
1823
1824 GpStatus WINGDIPAPI GdipCreateMetafileFromEmf(HENHMETAFILE hemf, BOOL delete,
1825 GpMetafile **metafile)
1826 {
1827 static int calls;
1828
1829 TRACE("(%p,%i,%p)\n", hemf, delete, metafile);
1830
1831 if(!hemf || !metafile)
1832 return InvalidParameter;
1833
1834 if(!(calls++))
1835 FIXME("not implemented\n");
1836
1837 return NotImplemented;
1838 }
1839
1840 GpStatus WINGDIPAPI GdipCreateMetafileFromWmf(HMETAFILE hwmf, BOOL delete,
1841 GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
1842 {
1843 IStream *stream = NULL;
1844 UINT read;
1845 BYTE* copy;
1846 HENHMETAFILE hemf;
1847 GpStatus retval = Ok;
1848
1849 TRACE("(%p, %d, %p, %p)\n", hwmf, delete, placeable, metafile);
1850
1851 if(!hwmf || !metafile || !placeable)
1852 return InvalidParameter;
1853
1854 *metafile = NULL;
1855 read = GetMetaFileBitsEx(hwmf, 0, NULL);
1856 if(!read)
1857 return GenericError;
1858 copy = GdipAlloc(read);
1859 GetMetaFileBitsEx(hwmf, read, copy);
1860
1861 hemf = SetWinMetaFileBits(read, copy, NULL, NULL);
1862 GdipFree(copy);
1863
1864 read = GetEnhMetaFileBits(hemf, 0, NULL);
1865 copy = GdipAlloc(read);
1866 GetEnhMetaFileBits(hemf, read, copy);
1867 DeleteEnhMetaFile(hemf);
1868
1869 if(CreateStreamOnHGlobal(copy, TRUE, &stream) != S_OK){
1870 ERR("could not make stream\n");
1871 GdipFree(copy);
1872 retval = GenericError;
1873 goto err;
1874 }
1875
1876 *metafile = GdipAlloc(sizeof(GpMetafile));
1877 if(!*metafile){
1878 retval = OutOfMemory;
1879 goto err;
1880 }
1881
1882 if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
1883 (LPVOID*) &((*metafile)->image.picture)) != S_OK)
1884 {
1885 retval = GenericError;
1886 goto err;
1887 }
1888
1889
1890 (*metafile)->image.type = ImageTypeMetafile;
1891 memcpy(&(*metafile)->image.format, &ImageFormatWMF, sizeof(GUID));
1892 (*metafile)->image.palette_flags = 0;
1893 (*metafile)->image.palette_count = 0;
1894 (*metafile)->image.palette_size = 0;
1895 (*metafile)->image.palette_entries = NULL;
1896 (*metafile)->image.xres = (REAL)placeable->Inch;
1897 (*metafile)->image.yres = (REAL)placeable->Inch;
1898 (*metafile)->bounds.X = ((REAL) placeable->BoundingBox.Left) / ((REAL) placeable->Inch);
1899 (*metafile)->bounds.Y = ((REAL) placeable->BoundingBox.Top) / ((REAL) placeable->Inch);
1900 (*metafile)->bounds.Width = ((REAL) (placeable->BoundingBox.Right
1901 - placeable->BoundingBox.Left));
1902 (*metafile)->bounds.Height = ((REAL) (placeable->BoundingBox.Bottom
1903 - placeable->BoundingBox.Top));
1904 (*metafile)->unit = UnitPixel;
1905
1906 if(delete)
1907 DeleteMetaFile(hwmf);
1908
1909 TRACE("<-- %p\n", *metafile);
1910
1911 err:
1912 if (retval != Ok)
1913 GdipFree(*metafile);
1914 IStream_Release(stream);
1915 return retval;
1916 }
1917
1918 GpStatus WINGDIPAPI GdipCreateMetafileFromWmfFile(GDIPCONST WCHAR *file,
1919 GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
1920 {
1921 HMETAFILE hmf = GetMetaFileW(file);
1922
1923 TRACE("(%s, %p, %p)\n", debugstr_w(file), placeable, metafile);
1924
1925 if(!hmf) return InvalidParameter;
1926
1927 return GdipCreateMetafileFromWmf(hmf, TRUE, placeable, metafile);
1928 }
1929
1930 GpStatus WINGDIPAPI GdipCreateMetafileFromFile(GDIPCONST WCHAR *file,
1931 GpMetafile **metafile)
1932 {
1933 FIXME("(%p, %p): stub\n", file, metafile);
1934 return NotImplemented;
1935 }
1936
1937 GpStatus WINGDIPAPI GdipCreateMetafileFromStream(IStream *stream,
1938 GpMetafile **metafile)
1939 {
1940 FIXME("(%p, %p): stub\n", stream, metafile);
1941 return NotImplemented;
1942 }
1943
1944 GpStatus WINGDIPAPI GdipCreateStreamOnFile(GDIPCONST WCHAR * filename,
1945 UINT access, IStream **stream)
1946 {
1947 DWORD dwMode;
1948 HRESULT ret;
1949
1950 TRACE("(%s, %u, %p)\n", debugstr_w(filename), access, stream);
1951
1952 if(!stream || !filename)
1953 return InvalidParameter;
1954
1955 if(access & GENERIC_WRITE)
1956 dwMode = STGM_SHARE_DENY_WRITE | STGM_WRITE | STGM_CREATE;
1957 else if(access & GENERIC_READ)
1958 dwMode = STGM_SHARE_DENY_WRITE | STGM_READ | STGM_FAILIFTHERE;
1959 else
1960 return InvalidParameter;
1961
1962 ret = SHCreateStreamOnFileW(filename, dwMode, stream);
1963
1964 return hresult_to_status(ret);
1965 }
1966
1967 GpStatus WINGDIPAPI GdipDeleteGraphics(GpGraphics *graphics)
1968 {
1969 GraphicsContainerItem *cont, *next;
1970 TRACE("(%p)\n", graphics);
1971
1972 if(!graphics) return InvalidParameter;
1973 if(graphics->busy) return ObjectBusy;
1974
1975 if(graphics->owndc)
1976 ReleaseDC(graphics->hwnd, graphics->hdc);
1977
1978 LIST_FOR_EACH_ENTRY_SAFE(cont, next, &graphics->containers, GraphicsContainerItem, entry){
1979 list_remove(&cont->entry);
1980 delete_container(cont);
1981 }
1982
1983 GdipDeleteRegion(graphics->clip);
1984 GdipDeleteMatrix(graphics->worldtrans);
1985 GdipFree(graphics);
1986
1987 return Ok;
1988 }
1989
1990 GpStatus WINGDIPAPI GdipDrawArc(GpGraphics *graphics, GpPen *pen, REAL x,
1991 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
1992 {
1993 INT save_state, num_pts;
1994 GpPointF points[MAX_ARC_PTS];
1995 GpStatus retval;
1996
1997 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
1998 width, height, startAngle, sweepAngle);
1999
2000 if(!graphics || !pen || width <= 0 || height <= 0)
2001 return InvalidParameter;
2002
2003 if(graphics->busy)
2004 return ObjectBusy;
2005
2006 if (!graphics->hdc)
2007 {
2008 FIXME("graphics object has no HDC\n");
2009 return Ok;
2010 }
2011
2012 num_pts = arc2polybezier(points, x, y, width, height, startAngle, sweepAngle);
2013
2014 save_state = prepare_dc(graphics, pen);
2015
2016 retval = draw_polybezier(graphics, pen, points, num_pts, TRUE);
2017
2018 restore_dc(graphics, save_state);
2019
2020 return retval;
2021 }
2022
2023 GpStatus WINGDIPAPI GdipDrawArcI(GpGraphics *graphics, GpPen *pen, INT x,
2024 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
2025 {
2026 TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n", graphics, pen, x, y,
2027 width, height, startAngle, sweepAngle);
2028
2029 return GdipDrawArc(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
2030 }
2031
2032 GpStatus WINGDIPAPI GdipDrawBezier(GpGraphics *graphics, GpPen *pen, REAL x1,
2033 REAL y1, REAL x2, REAL y2, REAL x3, REAL y3, REAL x4, REAL y4)
2034 {
2035 INT save_state;
2036 GpPointF pt[4];
2037 GpStatus retval;
2038
2039 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1,
2040 x2, y2, x3, y3, x4, y4);
2041
2042 if(!graphics || !pen)
2043 return InvalidParameter;
2044
2045 if(graphics->busy)
2046 return ObjectBusy;
2047
2048 if (!graphics->hdc)
2049 {
2050 FIXME("graphics object has no HDC\n");
2051 return Ok;
2052 }
2053
2054 pt[0].X = x1;
2055 pt[0].Y = y1;
2056 pt[1].X = x2;
2057 pt[1].Y = y2;
2058 pt[2].X = x3;
2059 pt[2].Y = y3;
2060 pt[3].X = x4;
2061 pt[3].Y = y4;
2062
2063 save_state = prepare_dc(graphics, pen);
2064
2065 retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
2066
2067 restore_dc(graphics, save_state);
2068
2069 return retval;
2070 }
2071
2072 GpStatus WINGDIPAPI GdipDrawBezierI(GpGraphics *graphics, GpPen *pen, INT x1,
2073 INT y1, INT x2, INT y2, INT x3, INT y3, INT x4, INT y4)
2074 {
2075 INT save_state;
2076 GpPointF pt[4];
2077 GpStatus retval;
2078
2079 TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d)\n", graphics, pen, x1, y1,
2080 x2, y2, x3, y3, x4, y4);
2081
2082 if(!graphics || !pen)
2083 return InvalidParameter;
2084
2085 if(graphics->busy)
2086 return ObjectBusy;
2087
2088 if (!graphics->hdc)
2089 {
2090 FIXME("graphics object has no HDC\n");
2091 return Ok;
2092 }
2093
2094 pt[0].X = x1;
2095 pt[0].Y = y1;
2096 pt[1].X = x2;
2097 pt[1].Y = y2;
2098 pt[2].X = x3;
2099 pt[2].Y = y3;
2100 pt[3].X = x4;
2101 pt[3].Y = y4;
2102
2103 save_state = prepare_dc(graphics, pen);
2104
2105 retval = draw_polybezier(graphics, pen, pt, 4, TRUE);
2106
2107 restore_dc(graphics, save_state);
2108
2109 return retval;
2110 }
2111
2112 GpStatus WINGDIPAPI GdipDrawBeziers(GpGraphics *graphics, GpPen *pen,
2113 GDIPCONST GpPointF *points, INT count)
2114 {
2115 INT i;
2116 GpStatus ret;
2117
2118 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2119
2120 if(!graphics || !pen || !points || (count <= 0))
2121 return InvalidParameter;
2122
2123 if(graphics->busy)
2124 return ObjectBusy;
2125
2126 for(i = 0; i < floor(count / 4); i++){
2127 ret = GdipDrawBezier(graphics, pen,
2128 points[4*i].X, points[4*i].Y,
2129 points[4*i + 1].X, points[4*i + 1].Y,
2130 points[4*i + 2].X, points[4*i + 2].Y,
2131 points[4*i + 3].X, points[4*i + 3].Y);
2132 if(ret != Ok)
2133 return ret;
2134 }
2135
2136 return Ok;
2137 }
2138
2139 GpStatus WINGDIPAPI GdipDrawBeziersI(GpGraphics *graphics, GpPen *pen,
2140 GDIPCONST GpPoint *points, INT count)
2141 {
2142 GpPointF *pts;
2143 GpStatus ret;
2144 INT i;
2145
2146 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2147
2148 if(!graphics || !pen || !points || (count <= 0))
2149 return InvalidParameter;
2150
2151 if(graphics->busy)
2152 return ObjectBusy;
2153
2154 pts = GdipAlloc(sizeof(GpPointF) * count);
2155 if(!pts)
2156 return OutOfMemory;
2157
2158 for(i = 0; i < count; i++){
2159 pts[i].X = (REAL)points[i].X;
2160 pts[i].Y = (REAL)points[i].Y;
2161 }
2162
2163 ret = GdipDrawBeziers(graphics,pen,pts,count);
2164
2165 GdipFree(pts);
2166
2167 return ret;
2168 }
2169
2170 GpStatus WINGDIPAPI GdipDrawClosedCurve(GpGraphics *graphics, GpPen *pen,
2171 GDIPCONST GpPointF *points, INT count)
2172 {
2173 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2174
2175 return GdipDrawClosedCurve2(graphics, pen, points, count, 1.0);
2176 }
2177
2178 GpStatus WINGDIPAPI GdipDrawClosedCurveI(GpGraphics *graphics, GpPen *pen,
2179 GDIPCONST GpPoint *points, INT count)
2180 {
2181 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2182
2183 return GdipDrawClosedCurve2I(graphics, pen, points, count, 1.0);
2184 }
2185
2186 GpStatus WINGDIPAPI GdipDrawClosedCurve2(GpGraphics *graphics, GpPen *pen,
2187 GDIPCONST GpPointF *points, INT count, REAL tension)
2188 {
2189 GpPath *path;
2190 GpStatus stat;
2191
2192 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2193
2194 if(!graphics || !pen || !points || count <= 0)
2195 return InvalidParameter;
2196
2197 if(graphics->busy)
2198 return ObjectBusy;
2199
2200 if((stat = GdipCreatePath(FillModeAlternate, &path)) != Ok)
2201 return stat;
2202
2203 stat = GdipAddPathClosedCurve2(path, points, count, tension);
2204 if(stat != Ok){
2205 GdipDeletePath(path);
2206 return stat;
2207 }
2208
2209 stat = GdipDrawPath(graphics, pen, path);
2210
2211 GdipDeletePath(path);
2212
2213 return stat;
2214 }
2215
2216 GpStatus WINGDIPAPI GdipDrawClosedCurve2I(GpGraphics *graphics, GpPen *pen,
2217 GDIPCONST GpPoint *points, INT count, REAL tension)
2218 {
2219 GpPointF *ptf;
2220 GpStatus stat;
2221 INT i;
2222
2223 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2224
2225 if(!points || count <= 0)
2226 return InvalidParameter;
2227
2228 ptf = GdipAlloc(sizeof(GpPointF)*count);
2229 if(!ptf)
2230 return OutOfMemory;
2231
2232 for(i = 0; i < count; i++){
2233 ptf[i].X = (REAL)points[i].X;
2234 ptf[i].Y = (REAL)points[i].Y;
2235 }
2236
2237 stat = GdipDrawClosedCurve2(graphics, pen, ptf, count, tension);
2238
2239 GdipFree(ptf);
2240
2241 return stat;
2242 }
2243
2244 GpStatus WINGDIPAPI GdipDrawCurve(GpGraphics *graphics, GpPen *pen,
2245 GDIPCONST GpPointF *points, INT count)
2246 {
2247 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2248
2249 return GdipDrawCurve2(graphics,pen,points,count,1.0);
2250 }
2251
2252 GpStatus WINGDIPAPI GdipDrawCurveI(GpGraphics *graphics, GpPen *pen,
2253 GDIPCONST GpPoint *points, INT count)
2254 {
2255 GpPointF *pointsF;
2256 GpStatus ret;
2257 INT i;
2258
2259 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
2260
2261 if(!points)
2262 return InvalidParameter;
2263
2264 pointsF = GdipAlloc(sizeof(GpPointF)*count);
2265 if(!pointsF)
2266 return OutOfMemory;
2267
2268 for(i = 0; i < count; i++){
2269 pointsF[i].X = (REAL)points[i].X;
2270 pointsF[i].Y = (REAL)points[i].Y;
2271 }
2272
2273 ret = GdipDrawCurve(graphics,pen,pointsF,count);
2274 GdipFree(pointsF);
2275
2276 return ret;
2277 }
2278
2279 /* Approximates cardinal spline with Bezier curves. */
2280 GpStatus WINGDIPAPI GdipDrawCurve2(GpGraphics *graphics, GpPen *pen,
2281 GDIPCONST GpPointF *points, INT count, REAL tension)
2282 {
2283 /* PolyBezier expects count*3-2 points. */
2284 INT i, len_pt = count*3-2, save_state;
2285 GpPointF *pt;
2286 REAL x1, x2, y1, y2;
2287 GpStatus retval;
2288
2289 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2290
2291 if(!graphics || !pen)
2292 return InvalidParameter;
2293
2294 if(graphics->busy)
2295 return ObjectBusy;
2296
2297 if(count < 2)
2298 return InvalidParameter;
2299
2300 if (!graphics->hdc)
2301 {
2302 FIXME("graphics object has no HDC\n");
2303 return Ok;
2304 }
2305
2306 pt = GdipAlloc(len_pt * sizeof(GpPointF));
2307 if(!pt)
2308 return OutOfMemory;
2309
2310 tension = tension * TENSION_CONST;
2311
2312 calc_curve_bezier_endp(points[0].X, points[0].Y, points[1].X, points[1].Y,
2313 tension, &x1, &y1);
2314
2315 pt[0].X = points[0].X;
2316 pt[0].Y = points[0].Y;
2317 pt[1].X = x1;
2318 pt[1].Y = y1;
2319
2320 for(i = 0; i < count-2; i++){
2321 calc_curve_bezier(&(points[i]), tension, &x1, &y1, &x2, &y2);
2322
2323 pt[3*i+2].X = x1;
2324 pt[3*i+2].Y = y1;
2325 pt[3*i+3].X = points[i+1].X;
2326 pt[3*i+3].Y = points[i+1].Y;
2327 pt[3*i+4].X = x2;
2328 pt[3*i+4].Y = y2;
2329 }
2330
2331 calc_curve_bezier_endp(points[count-1].X, points[count-1].Y,
2332 points[count-2].X, points[count-2].Y, tension, &x1, &y1);
2333
2334 pt[len_pt-2].X = x1;
2335 pt[len_pt-2].Y = y1;
2336 pt[len_pt-1].X = points[count-1].X;
2337 pt[len_pt-1].Y = points[count-1].Y;
2338
2339 save_state = prepare_dc(graphics, pen);
2340
2341 retval = draw_polybezier(graphics, pen, pt, len_pt, TRUE);
2342
2343 GdipFree(pt);
2344 restore_dc(graphics, save_state);
2345
2346 return retval;
2347 }
2348
2349 GpStatus WINGDIPAPI GdipDrawCurve2I(GpGraphics *graphics, GpPen *pen,
2350 GDIPCONST GpPoint *points, INT count, REAL tension)
2351 {
2352 GpPointF *pointsF;
2353 GpStatus ret;
2354 INT i;
2355
2356 TRACE("(%p, %p, %p, %d, %.2f)\n", graphics, pen, points, count, tension);
2357
2358 if(!points)
2359 return InvalidParameter;
2360
2361 pointsF = GdipAlloc(sizeof(GpPointF)*count);
2362 if(!pointsF)
2363 return OutOfMemory;
2364
2365 for(i = 0; i < count; i++){
2366 pointsF[i].X = (REAL)points[i].X;
2367 pointsF[i].Y = (REAL)points[i].Y;
2368 }
2369
2370 ret = GdipDrawCurve2(graphics,pen,pointsF,count,tension);
2371 GdipFree(pointsF);
2372
2373 return ret;
2374 }
2375
2376 GpStatus WINGDIPAPI GdipDrawCurve3(GpGraphics *graphics, GpPen *pen,
2377 GDIPCONST GpPointF *points, INT count, INT offset, INT numberOfSegments,
2378 REAL tension)
2379 {
2380 TRACE("(%p, %p, %p, %d, %d, %d, %.2f)\n", graphics, pen, points, count, offset, numberOfSegments, tension);
2381
2382 if(offset >= count || numberOfSegments > count - offset - 1 || numberOfSegments <= 0){
2383 return InvalidParameter;
2384 }
2385
2386 return GdipDrawCurve2(graphics, pen, points + offset, numberOfSegments + 1, tension);
2387 }
2388
2389 GpStatus WINGDIPAPI GdipDrawCurve3I(GpGraphics *graphics, GpPen *pen,
2390 GDIPCONST GpPoint *points, INT count, INT offset, INT numberOfSegments,
2391 REAL tension)
2392 {
2393 TRACE("(%p, %p, %p, %d, %d, %d, %.2f)\n", graphics, pen, points, count, offset, numberOfSegments, tension);
2394
2395 if(count < 0){
2396 return OutOfMemory;
2397 }
2398
2399 if(offset >= count || numberOfSegments > count - offset - 1 || numberOfSegments <= 0){
2400 return InvalidParameter;
2401 }
2402
2403 return GdipDrawCurve2I(graphics, pen, points + offset, numberOfSegments + 1, tension);
2404 }
2405
2406 GpStatus WINGDIPAPI GdipDrawEllipse(GpGraphics *graphics, GpPen *pen, REAL x,
2407 REAL y, REAL width, REAL height)
2408 {
2409 INT save_state;
2410 GpPointF ptf[2];
2411 POINT pti[2];
2412
2413 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
2414
2415 if(!graphics || !pen)
2416 return InvalidParameter;
2417
2418 if(graphics->busy)
2419 return ObjectBusy;
2420
2421 if (!graphics->hdc)
2422 {
2423 FIXME("graphics object has no HDC\n");
2424 return Ok;
2425 }
2426
2427 ptf[0].X = x;
2428 ptf[0].Y = y;
2429 ptf[1].X = x + width;
2430 ptf[1].Y = y + height;
2431
2432 save_state = prepare_dc(graphics, pen);
2433 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
2434
2435 transform_and_round_points(graphics, pti, ptf, 2);
2436
2437 Ellipse(graphics->hdc, pti[0].x, pti[0].y, pti[1].x, pti[1].y);
2438
2439 restore_dc(graphics, save_state);
2440
2441 return Ok;
2442 }
2443
2444 GpStatus WINGDIPAPI GdipDrawEllipseI(GpGraphics *graphics, GpPen *pen, INT x,
2445 INT y, INT width, INT height)
2446 {
2447 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
2448
2449 return GdipDrawEllipse(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
2450 }
2451
2452
2453 GpStatus WINGDIPAPI GdipDrawImage(GpGraphics *graphics, GpImage *image, REAL x, REAL y)
2454 {
2455 UINT width, height;
2456 GpPointF points[3];
2457
2458 TRACE("(%p, %p, %.2f, %.2f)\n", graphics, image, x, y);
2459
2460 if(!graphics || !image)
2461 return InvalidParameter;
2462
2463 GdipGetImageWidth(image, &width);
2464 GdipGetImageHeight(image, &height);
2465
2466 /* FIXME: we should use the graphics and image dpi, somehow */
2467
2468 points[0].X = points[2].X = x;
2469 points[0].Y = points[1].Y = y;
2470 points[1].X = x + width;
2471 points[2].Y = y + height;
2472
2473 return GdipDrawImagePointsRect(graphics, image, points, 3, 0, 0, width, height,
2474 UnitPixel, NULL, NULL, NULL);
2475 }
2476
2477 GpStatus WINGDIPAPI GdipDrawImageI(GpGraphics *graphics, GpImage *image, INT x,
2478 INT y)
2479 {
2480 TRACE("(%p, %p, %d, %d)\n", graphics, image, x, y);
2481
2482 return GdipDrawImage(graphics, image, (REAL)x, (REAL)y);
2483 }
2484
2485 GpStatus WINGDIPAPI GdipDrawImagePointRect(GpGraphics *graphics, GpImage *image,
2486 REAL x, REAL y, REAL srcx, REAL srcy, REAL srcwidth, REAL srcheight,
2487 GpUnit srcUnit)
2488 {
2489 GpPointF points[3];
2490 TRACE("(%p, %p, %f, %f, %f, %f, %f, %f, %d)\n", graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit);
2491
2492 points[0].X = points[2].X = x;
2493 points[0].Y = points[1].Y = y;
2494
2495 /* FIXME: convert image coordinates to Graphics coordinates? */
2496 points[1].X = x + srcwidth;
2497 points[2].Y = y + srcheight;
2498
2499 return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
2500 srcwidth, srcheight, srcUnit, NULL, NULL, NULL);
2501 }
2502
2503 GpStatus WINGDIPAPI GdipDrawImagePointRectI(GpGraphics *graphics, GpImage *image,
2504 INT x, INT y, INT srcx, INT srcy, INT srcwidth, INT srcheight,
2505 GpUnit srcUnit)
2506 {
2507 return GdipDrawImagePointRect(graphics, image, x, y, srcx, srcy, srcwidth, srcheight, srcUnit);
2508 }
2509
2510 GpStatus WINGDIPAPI GdipDrawImagePoints(GpGraphics *graphics, GpImage *image,
2511 GDIPCONST GpPointF *dstpoints, INT count)
2512 {
2513 FIXME("(%p, %p, %p, %d): stub\n", graphics, image, dstpoints, count);
2514 return NotImplemented;
2515 }
2516
2517 GpStatus WINGDIPAPI GdipDrawImagePointsI(GpGraphics *graphics, GpImage *image,
2518 GDIPCONST GpPoint *dstpoints, INT count)
2519 {
2520 FIXME("(%p, %p, %p, %d): stub\n", graphics, image, dstpoints, count);
2521 return NotImplemented;
2522 }
2523
2524 GpStatus WINGDIPAPI GdipDrawImagePointsRect(GpGraphics *graphics, GpImage *image,
2525 GDIPCONST GpPointF *points, INT count, REAL srcx, REAL srcy, REAL srcwidth,
2526 REAL srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
2527 DrawImageAbort callback, VOID * callbackData)
2528 {
2529 GpPointF ptf[4];
2530 POINT pti[4];
2531 REAL dx, dy;
2532 GpStatus stat;
2533
2534 TRACE("(%p, %p, %p, %d, %f, %f, %f, %f, %d, %p, %p, %p)\n", graphics, image, points,
2535 count, srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
2536 callbackData);
2537
2538 if (count > 3)
2539 return NotImplemented;
2540
2541 if(!graphics || !image || !points || count != 3)
2542 return InvalidParameter;
2543
2544 TRACE("%s %s %s\n", debugstr_pointf(&points[0]), debugstr_pointf(&points[1]),
2545 debugstr_pointf(&points[2]));
2546
2547 memcpy(ptf, points, 3 * sizeof(GpPointF));
2548 ptf[3].X = ptf[2].X + ptf[1].X - ptf[0].X;
2549 ptf[3].Y = ptf[2].Y + ptf[1].Y - ptf[0].Y;
2550 if (!srcwidth || !srcheight || ptf[3].X == ptf[0].X || ptf[3].Y == ptf[0].Y)
2551 return Ok;
2552 transform_and_round_points(graphics, pti, ptf, 4);
2553
2554 if (image->picture)
2555 {
2556 if (!graphics->hdc)
2557 {
2558 FIXME("graphics object has no HDC\n");
2559 }
2560
2561 /* FIXME: partially implemented (only works for rectangular parallelograms) */
2562 if(srcUnit == UnitInch)
2563 dx = dy = (REAL) INCH_HIMETRIC;
2564 else if(srcUnit == UnitPixel){
2565 dx = ((REAL) INCH_HIMETRIC) /
2566 ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSX));
2567 dy = ((REAL) INCH_HIMETRIC) /
2568 ((REAL) GetDeviceCaps(graphics->hdc, LOGPIXELSY));
2569 }
2570 else
2571 return NotImplemented;
2572
2573 if(IPicture_Render(image->picture, graphics->hdc,
2574 pti[0].x, pti[0].y, pti[1].x - pti[0].x, pti[2].y - pti[0].y,
2575 srcx * dx, srcy * dy,
2576 srcwidth * dx, srcheight * dy,
2577 NULL) != S_OK){
2578 if(callback)
2579 callback(callbackData);
2580 return GenericError;
2581 }
2582 }
2583 else if (image->type == ImageTypeBitmap)
2584 {
2585 GpBitmap* bitmap = (GpBitmap*)image;
2586 int use_software=0;
2587
2588 if (srcUnit == UnitInch)
2589 dx = dy = 96.0; /* FIXME: use the image resolution */
2590 else if (srcUnit == UnitPixel)
2591 dx = dy = 1.0;
2592 else
2593 return NotImplemented;
2594
2595 srcx = srcx * dx;
2596 srcy = srcy * dy;
2597 srcwidth = srcwidth * dx;
2598 srcheight = srcheight * dy;
2599
2600 if (imageAttributes ||
2601 (graphics->image && graphics->image->type == ImageTypeBitmap) ||
2602 !((GpBitmap*)image)->hbitmap ||
2603 ptf[1].Y != ptf[0].Y || ptf[2].X != ptf[0].X ||
2604 ptf[1].X - ptf[0].X != srcwidth || ptf[2].Y - ptf[0].Y != srcheight ||
2605 srcx < 0 || srcy < 0 ||
2606 srcx + srcwidth > bitmap->width || srcy + srcheight > bitmap->height)
2607 use_software = 1;
2608
2609 if (use_software)
2610 {
2611 RECT dst_area;
2612 GpRect src_area;
2613 int i, x, y, src_stride, dst_stride;
2614 GpMatrix *dst_to_src;
2615 REAL m11, m12, m21, m22, mdx, mdy;
2616 LPBYTE src_data, dst_data;
2617 BitmapData lockeddata;
2618 InterpolationMode interpolation = graphics->interpolation;
2619 GpPointF dst_to_src_points[3] = {{0.0, 0.0}, {1.0, 0.0}, {0.0, 1.0}};
2620 REAL x_dx, x_dy, y_dx, y_dy;
2621 static const GpImageAttributes defaultImageAttributes = {WrapModeClamp, 0, FALSE};
2622
2623 if (!imageAttributes)
2624 imageAttributes = &defaultImageAttributes;
2625
2626 dst_area.left = dst_area.right = pti[0].x;
2627 dst_area.top = dst_area.bottom = pti[0].y;
2628 for (i=1; i<4; i++)
2629 {
2630 if (dst_area.left > pti[i].x) dst_area.left = pti[i].x;
2631 if (dst_area.right < pti[i].x) dst_area.right = pti[i].x;
2632 if (dst_area.top > pti[i].y) dst_area.top = pti[i].y;
2633 if (dst_area.bottom < pti[i].y) dst_area.bottom = pti[i].y;
2634 }
2635
2636 m11 = (ptf[1].X - ptf[0].X) / srcwidth;
2637 m21 = (ptf[2].X - ptf[0].X) / srcheight;
2638 mdx = ptf[0].X - m11 * srcx - m21 * srcy;
2639 m12 = (ptf[1].Y - ptf[0].Y) / srcwidth;
2640 m22 = (ptf[2].Y - ptf[0].Y) / srcheight;
2641 mdy = ptf[0].Y - m12 * srcx - m22 * srcy;
2642
2643 stat = GdipCreateMatrix2(m11, m12, m21, m22, mdx, mdy, &dst_to_src);
2644 if (stat != Ok) return stat;
2645
2646 stat = GdipInvertMatrix(dst_to_src);
2647 if (stat != Ok)
2648 {
2649 GdipDeleteMatrix(dst_to_src);
2650 return stat;
2651 }
2652
2653 dst_data = GdipAlloc(sizeof(ARGB) * (dst_area.right - dst_area.left) * (dst_area.bottom - dst_area.top));
2654 if (!dst_data)
2655 {
2656 GdipDeleteMatrix(dst_to_src);
2657 return OutOfMemory;
2658 }
2659
2660 dst_stride = sizeof(ARGB) * (dst_area.right - dst_area.left);
2661
2662 get_bitmap_sample_size(interpolation, imageAttributes->wrap,
2663 bitmap, srcx, srcy, srcwidth, srcheight, &src_area);
2664
2665 src_data = GdipAlloc(sizeof(ARGB) * src_area.Width * src_area.Height);
2666 if (!src_data)
2667 {
2668 GdipFree(dst_data);
2669 GdipDeleteMatrix(dst_to_src);
2670 return OutOfMemory;
2671 }
2672 src_stride = sizeof(ARGB) * src_area.Width;
2673
2674 /* Read the bits we need from the source bitmap into an ARGB buffer. */
2675 lockeddata.Width = src_area.Width;
2676 lockeddata.Height = src_area.Height;
2677 lockeddata.Stride = src_stride;
2678 lockeddata.PixelFormat = PixelFormat32bppARGB;
2679 lockeddata.Scan0 = src_data;
2680
2681 stat = GdipBitmapLockBits(bitmap, &src_area, ImageLockModeRead|ImageLockModeUserInputBuf,
2682 PixelFormat32bppARGB, &lockeddata);
2683
2684 if (stat == Ok)
2685 stat = GdipBitmapUnlockBits(bitmap, &lockeddata);
2686
2687 if (stat != Ok)
2688 {
2689 if (src_data != dst_data)
2690 GdipFree(src_data);
2691 GdipFree(dst_data);
2692 GdipDeleteMatrix(dst_to_src);
2693 return OutOfMemory;
2694 }
2695
2696 apply_image_attributes(imageAttributes, src_data,
2697 src_area.Width, src_area.Height,
2698 src_stride, ColorAdjustTypeBitmap);
2699
2700 /* Transform the bits as needed to the destination. */
2701 GdipTransformMatrixPoints(dst_to_src, dst_to_src_points, 3);
2702
2703 x_dx = dst_to_src_points[1].X - dst_to_src_points[0].X;
2704 x_dy = dst_to_src_points[1].Y - dst_to_src_points[0].Y;
2705 y_dx = dst_to_src_points[2].X - dst_to_src_points[0].X;
2706 y_dy = dst_to_src_points[2].Y - dst_to_src_points[0].Y;
2707
2708 for (x=dst_area.left; x<dst_area.right; x++)
2709 {
2710 for (y=dst_area.top; y<dst_area.bottom; y++)
2711 {
2712 GpPointF src_pointf;
2713 ARGB *dst_color;
2714
2715 src_pointf.X = dst_to_src_points[0].X + x * x_dx + y * y_dx;
2716 src_pointf.Y = dst_to_src_points[0].Y + x * x_dy + y * y_dy;
2717
2718 dst_color = (ARGB*)(dst_data + dst_stride * (y - dst_area.top) + sizeof(ARGB) * (x - dst_area.left));
2719
2720 if (src_pointf.X >= srcx && src_pointf.X < srcx + srcwidth && src_pointf.Y >= srcy && src_pointf.Y < srcy+srcheight)
2721 *dst_color = resample_bitmap_pixel(&src_area, src_data, bitmap->width, bitmap->height, &src_pointf, imageAttributes, interpolation);
2722 else
2723 *dst_color = 0;
2724 }
2725 }
2726
2727 GdipDeleteMatrix(dst_to_src);
2728
2729 GdipFree(src_data);
2730
2731 stat = alpha_blend_pixels(graphics, dst_area.left, dst_area.top,
2732 dst_data, dst_area.right - dst_area.left, dst_area.bottom - dst_area.top, dst_stride);
2733
2734 GdipFree(dst_data);
2735
2736 return stat;
2737 }
2738 else
2739 {
2740 HDC hdc;
2741 int temp_hdc=0, temp_bitmap=0;
2742 HBITMAP hbitmap, old_hbm=NULL;
2743
2744 if (!(bitmap->format == PixelFormat16bppRGB555 ||
2745 bitmap->format == PixelFormat24bppRGB ||
2746 bitmap->format == PixelFormat32bppRGB ||
2747 bitmap->format == PixelFormat32bppPARGB))
2748 {
2749 BITMAPINFOHEADER bih;
2750 BYTE *temp_bits;
2751 PixelFormat dst_format;
2752
2753 /* we can't draw a bitmap of this format directly */
2754 hdc = CreateCompatibleDC(0);
2755 temp_hdc = 1;
2756 temp_bitmap = 1;
2757
2758 bih.biSize = sizeof(BITMAPINFOHEADER);
2759 bih.biWidth = bitmap->width;
2760 bih.biHeight = -bitmap->height;
2761 bih.biPlanes = 1;
2762 bih.biBitCount = 32;
2763 bih.biCompression = BI_RGB;
2764 bih.biSizeImage = 0;
2765 bih.biXPelsPerMeter = 0;
2766 bih.biYPelsPerMeter = 0;
2767 bih.biClrUsed = 0;
2768 bih.biClrImportant = 0;
2769
2770 hbitmap = CreateDIBSection(hdc, (BITMAPINFO*)&bih, DIB_RGB_COLORS,
2771 (void**)&temp_bits, NULL, 0);
2772
2773 if (bitmap->format & (PixelFormatAlpha|PixelFormatPAlpha))
2774 dst_format = PixelFormat32bppPARGB;
2775 else
2776 dst_format = PixelFormat32bppRGB;
2777
2778 convert_pixels(bitmap->width, bitmap->height,
2779 bitmap->width*4, temp_bits, dst_format,
2780 bitmap->stride, bitmap->bits, bitmap->format, bitmap->image.palette_entries);
2781 }
2782 else
2783 {
2784 hbitmap = bitmap->hbitmap;
2785 hdc = bitmap->hdc;
2786 temp_hdc = (hdc == 0);
2787 }
2788
2789 if (temp_hdc)
2790 {
2791 if (!hdc) hdc = CreateCompatibleDC(0);
2792 old_hbm = SelectObject(hdc, hbitmap);
2793 }
2794
2795 if (bitmap->format & (PixelFormatAlpha|PixelFormatPAlpha))
2796 {
2797 BLENDFUNCTION bf;
2798
2799 bf.BlendOp = AC_SRC_OVER;
2800 bf.BlendFlags = 0;
2801 bf.SourceConstantAlpha = 255;
2802 bf.AlphaFormat = AC_SRC_ALPHA;
2803
2804 GdiAlphaBlend(graphics->hdc, pti[0].x, pti[0].y, pti[1].x-pti[0].x, pti[2].y-pti[0].y,
2805 hdc, srcx, srcy, srcwidth, srcheight, bf);
2806 }
2807 else
2808 {
2809 StretchBlt(graphics->hdc, pti[0].x, pti[0].y, pti[1].x-pti[0].x, pti[2].y-pti[0].y,
2810 hdc, srcx, srcy, srcwidth, srcheight, SRCCOPY);
2811 }
2812
2813 if (temp_hdc)
2814 {
2815 SelectObject(hdc, old_hbm);
2816 DeleteDC(hdc);
2817 }
2818
2819 if (temp_bitmap)
2820 DeleteObject(hbitmap);
2821 }
2822 }
2823 else
2824 {
2825 ERR("GpImage with no IPicture or HBITMAP?!\n");
2826 return NotImplemented;
2827 }
2828
2829 return Ok;
2830 }
2831
2832 GpStatus WINGDIPAPI GdipDrawImagePointsRectI(GpGraphics *graphics, GpImage *image,
2833 GDIPCONST GpPoint *points, INT count, INT srcx, INT srcy, INT srcwidth,
2834 INT srcheight, GpUnit srcUnit, GDIPCONST GpImageAttributes* imageAttributes,
2835 DrawImageAbort callback, VOID * callbackData)
2836 {
2837 GpPointF pointsF[3];
2838 INT i;
2839
2840 TRACE("(%p, %p, %p, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n", graphics, image, points, count,
2841 srcx, srcy, srcwidth, srcheight, srcUnit, imageAttributes, callback,
2842 callbackData);
2843
2844 if(!points || count!=3)
2845 return InvalidParameter;
2846
2847 for(i = 0; i < count; i++){
2848 pointsF[i].X = (REAL)points[i].X;
2849 pointsF[i].Y = (REAL)points[i].Y;
2850 }
2851
2852 return GdipDrawImagePointsRect(graphics, image, pointsF, count, (REAL)srcx, (REAL)srcy,
2853 (REAL)srcwidth, (REAL)srcheight, srcUnit, imageAttributes,
2854 callback, callbackData);
2855 }
2856
2857 GpStatus WINGDIPAPI GdipDrawImageRectRect(GpGraphics *graphics, GpImage *image,
2858 REAL dstx, REAL dsty, REAL dstwidth, REAL dstheight, REAL srcx, REAL srcy,
2859 REAL srcwidth, REAL srcheight, GpUnit srcUnit,
2860 GDIPCONST GpImageAttributes* imageattr, DrawImageAbort callback,
2861 VOID * callbackData)
2862 {
2863 GpPointF points[3];
2864
2865 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f, %d, %p, %p, %p)\n",
2866 graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
2867 srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
2868
2869 points[0].X = dstx;
2870 points[0].Y = dsty;
2871 points[1].X = dstx + dstwidth;
2872 points[1].Y = dsty;
2873 points[2].X = dstx;
2874 points[2].Y = dsty + dstheight;
2875
2876 return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
2877 srcwidth, srcheight, srcUnit, imageattr, callback, callbackData);
2878 }
2879
2880 GpStatus WINGDIPAPI GdipDrawImageRectRectI(GpGraphics *graphics, GpImage *image,
2881 INT dstx, INT dsty, INT dstwidth, INT dstheight, INT srcx, INT srcy,
2882 INT srcwidth, INT srcheight, GpUnit srcUnit,
2883 GDIPCONST GpImageAttributes* imageAttributes, DrawImageAbort callback,
2884 VOID * callbackData)
2885 {
2886 GpPointF points[3];
2887
2888 TRACE("(%p, %p, %d, %d, %d, %d, %d, %d, %d, %d, %d, %p, %p, %p)\n",
2889 graphics, image, dstx, dsty, dstwidth, dstheight, srcx, srcy,
2890 srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
2891
2892 points[0].X = dstx;
2893 points[0].Y = dsty;
2894 points[1].X = dstx + dstwidth;
2895 points[1].Y = dsty;
2896 points[2].X = dstx;
2897 points[2].Y = dsty + dstheight;
2898
2899 return GdipDrawImagePointsRect(graphics, image, points, 3, srcx, srcy,
2900 srcwidth, srcheight, srcUnit, imageAttributes, callback, callbackData);
2901 }
2902
2903 GpStatus WINGDIPAPI GdipDrawImageRect(GpGraphics *graphics, GpImage *image,
2904 REAL x, REAL y, REAL width, REAL height)
2905 {
2906 RectF bounds;
2907 GpUnit unit;
2908 GpStatus ret;
2909
2910 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, image, x, y, width, height);
2911
2912 if(!graphics || !image)
2913 return InvalidParameter;
2914
2915 ret = GdipGetImageBounds(image, &bounds, &unit);
2916 if(ret != Ok)
2917 return ret;
2918
2919 return GdipDrawImageRectRect(graphics, image, x, y, width, height,
2920 bounds.X, bounds.Y, bounds.Width, bounds.Height,
2921 unit, NULL, NULL, NULL);
2922 }
2923
2924 GpStatus WINGDIPAPI GdipDrawImageRectI(GpGraphics *graphics, GpImage *image,
2925 INT x, INT y, INT width, INT height)
2926 {
2927 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, image, x, y, width, height);
2928
2929 return GdipDrawImageRect(graphics, image, (REAL)x, (REAL)y, (REAL)width, (REAL)height);
2930 }
2931
2932 GpStatus WINGDIPAPI GdipDrawLine(GpGraphics *graphics, GpPen *pen, REAL x1,
2933 REAL y1, REAL x2, REAL y2)
2934 {
2935 INT save_state;
2936 GpPointF pt[2];
2937 GpStatus retval;
2938
2939 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x1, y1, x2, y2);
2940
2941 if(!pen || !graphics)
2942 return InvalidParameter;
2943
2944 if(graphics->busy)
2945 return ObjectBusy;
2946
2947 if (!graphics->hdc)
2948 {
2949 FIXME("graphics object has no HDC\n");
2950 return Ok;
2951 }
2952
2953 pt[0].X = x1;
2954 pt[0].Y = y1;
2955 pt[1].X = x2;
2956 pt[1].Y = y2;
2957
2958 save_state = prepare_dc(graphics, pen);
2959
2960 retval = draw_polyline(graphics, pen, pt, 2, TRUE);
2961
2962 restore_dc(graphics, save_state);
2963
2964 return retval;
2965 }
2966
2967 GpStatus WINGDIPAPI GdipDrawLineI(GpGraphics *graphics, GpPen *pen, INT x1,
2968 INT y1, INT x2, INT y2)
2969 {
2970 INT save_state;
2971 GpPointF pt[2];
2972 GpStatus retval;
2973
2974 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x1, y1, x2, y2);
2975
2976 if(!pen || !graphics)
2977 return InvalidParameter;
2978
2979 if(graphics->busy)
2980 return ObjectBusy;
2981
2982 if (!graphics->hdc)
2983 {
2984 FIXME("graphics object has no HDC\n");
2985 return Ok;
2986 }
2987
2988 pt[0].X = (REAL)x1;
2989 pt[0].Y = (REAL)y1;
2990 pt[1].X = (REAL)x2;
2991 pt[1].Y = (REAL)y2;
2992
2993 save_state = prepare_dc(graphics, pen);
2994
2995 retval = draw_polyline(graphics, pen, pt, 2, TRUE);
2996
2997 restore_dc(graphics, save_state);
2998
2999 return retval;
3000 }
3001
3002 GpStatus WINGDIPAPI GdipDrawLines(GpGraphics *graphics, GpPen *pen, GDIPCONST
3003 GpPointF *points, INT count)
3004 {
3005 INT save_state;
3006 GpStatus retval;
3007
3008 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
3009
3010 if(!pen || !graphics || (count < 2))
3011 return InvalidParameter;
3012
3013 if(graphics->busy)
3014 return ObjectBusy;
3015
3016 if (!graphics->hdc)
3017 {
3018 FIXME("graphics object has no HDC\n");
3019 return Ok;
3020 }
3021
3022 save_state = prepare_dc(graphics, pen);
3023
3024 retval = draw_polyline(graphics, pen, points, count, TRUE);
3025
3026 restore_dc(graphics, save_state);
3027
3028 return retval;
3029 }
3030
3031 GpStatus WINGDIPAPI GdipDrawLinesI(GpGraphics *graphics, GpPen *pen, GDIPCONST
3032 GpPoint *points, INT count)
3033 {
3034 INT save_state;
3035 GpStatus retval;
3036 GpPointF *ptf = NULL;
3037 int i;
3038
3039 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
3040
3041 if(!pen || !graphics || (count < 2))
3042 return InvalidParameter;
3043
3044 if(graphics->busy)
3045 return ObjectBusy;
3046
3047 if (!graphics->hdc)
3048 {
3049 FIXME("graphics object has no HDC\n");
3050 return Ok;
3051 }
3052
3053 ptf = GdipAlloc(count * sizeof(GpPointF));
3054 if(!ptf) return OutOfMemory;
3055
3056 for(i = 0; i < count; i ++){
3057 ptf[i].X = (REAL) points[i].X;
3058 ptf[i].Y = (REAL) points[i].Y;
3059 }
3060
3061 save_state = prepare_dc(graphics, pen);
3062
3063 retval = draw_polyline(graphics, pen, ptf, count, TRUE);
3064
3065 restore_dc(graphics, save_state);
3066
3067 GdipFree(ptf);
3068 return retval;
3069 }
3070
3071 GpStatus WINGDIPAPI GdipDrawPath(GpGraphics *graphics, GpPen *pen, GpPath *path)
3072 {
3073 INT save_state;
3074 GpStatus retval;
3075
3076 TRACE("(%p, %p, %p)\n", graphics, pen, path);
3077
3078 if(!pen || !graphics)
3079 return InvalidParameter;
3080
3081 if(graphics->busy)
3082 return ObjectBusy;
3083
3084 if (!graphics->hdc)
3085 {
3086 FIXME("graphics object has no HDC\n");
3087 return Ok;
3088 }
3089
3090 save_state = prepare_dc(graphics, pen);
3091
3092 retval = draw_poly(graphics, pen, path->pathdata.Points,
3093 path->pathdata.Types, path->pathdata.Count, TRUE);
3094
3095 restore_dc(graphics, save_state);
3096
3097 return retval;
3098 }
3099
3100 GpStatus WINGDIPAPI GdipDrawPie(GpGraphics *graphics, GpPen *pen, REAL x,
3101 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
3102 {
3103 INT save_state;
3104
3105 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y,
3106 width, height, startAngle, sweepAngle);
3107
3108 if(!graphics || !pen)
3109 return InvalidParameter;
3110
3111 if(graphics->busy)
3112 return ObjectBusy;
3113
3114 if (!graphics->hdc)
3115 {
3116 FIXME("graphics object has no HDC\n");
3117 return Ok;
3118 }
3119
3120 save_state = prepare_dc(graphics, pen);
3121 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
3122
3123 draw_pie(graphics, x, y, width, height, startAngle, sweepAngle);
3124
3125 restore_dc(graphics, save_state);
3126
3127 return Ok;
3128 }
3129
3130 GpStatus WINGDIPAPI GdipDrawPieI(GpGraphics *graphics, GpPen *pen, INT x,
3131 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
3132 {
3133 TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n", graphics, pen, x, y,
3134 width, height, startAngle, sweepAngle);
3135
3136 return GdipDrawPie(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
3137 }
3138
3139 GpStatus WINGDIPAPI GdipDrawRectangle(GpGraphics *graphics, GpPen *pen, REAL x,
3140 REAL y, REAL width, REAL height)
3141 {
3142 INT save_state;
3143 GpPointF ptf[4];
3144 POINT pti[4];
3145
3146 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, pen, x, y, width, height);
3147
3148 if(!pen || !graphics)
3149 return InvalidParameter;
3150
3151 if(graphics->busy)
3152 return ObjectBusy;
3153
3154 if (!graphics->hdc)
3155 {
3156 FIXME("graphics object has no HDC\n");
3157 return Ok;
3158 }
3159
3160 ptf[0].X = x;
3161 ptf[0].Y = y;
3162 ptf[1].X = x + width;
3163 ptf[1].Y = y;
3164 ptf[2].X = x + width;
3165 ptf[2].Y = y + height;
3166 ptf[3].X = x;
3167 ptf[3].Y = y + height;
3168
3169 save_state = prepare_dc(graphics, pen);
3170 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
3171
3172 transform_and_round_points(graphics, pti, ptf, 4);
3173 Polygon(graphics->hdc, pti, 4);
3174
3175 restore_dc(graphics, save_state);
3176
3177 return Ok;
3178 }
3179
3180 GpStatus WINGDIPAPI GdipDrawRectangleI(GpGraphics *graphics, GpPen *pen, INT x,
3181 INT y, INT width, INT height)
3182 {
3183 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, pen, x, y, width, height);
3184
3185 return GdipDrawRectangle(graphics,pen,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
3186 }
3187
3188 GpStatus WINGDIPAPI GdipDrawRectangles(GpGraphics *graphics, GpPen *pen,
3189 GDIPCONST GpRectF* rects, INT count)
3190 {
3191 GpPointF *ptf;
3192 POINT *pti;
3193 INT save_state, i;
3194
3195 TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
3196
3197 if(!graphics || !pen || !rects || count < 1)
3198 return InvalidParameter;
3199
3200 if(graphics->busy)
3201 return ObjectBusy;
3202
3203 if (!graphics->hdc)
3204 {
3205 FIXME("graphics object has no HDC\n");
3206 return Ok;
3207 }
3208
3209 ptf = GdipAlloc(4 * count * sizeof(GpPointF));
3210 pti = GdipAlloc(4 * count * sizeof(POINT));
3211
3212 if(!ptf || !pti){
3213 GdipFree(ptf);
3214 GdipFree(pti);
3215 return OutOfMemory;
3216 }
3217
3218 for(i = 0; i < count; i++){
3219 ptf[4 * i + 3].X = ptf[4 * i].X = rects[i].X;
3220 ptf[4 * i + 1].Y = ptf[4 * i].Y = rects[i].Y;
3221 ptf[4 * i + 2].X = ptf[4 * i + 1].X = rects[i].X + rects[i].Width;
3222 ptf[4 * i + 3].Y = ptf[4 * i + 2].Y = rects[i].Y + rects[i].Height;
3223 }
3224
3225 save_state = prepare_dc(graphics, pen);
3226 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
3227
3228 transform_and_round_points(graphics, pti, ptf, 4 * count);
3229
3230 for(i = 0; i < count; i++)
3231 Polygon(graphics->hdc, &pti[4 * i], 4);
3232
3233 restore_dc(graphics, save_state);
3234
3235 GdipFree(ptf);
3236 GdipFree(pti);
3237
3238 return Ok;
3239 }
3240
3241 GpStatus WINGDIPAPI GdipDrawRectanglesI(GpGraphics *graphics, GpPen *pen,
3242 GDIPCONST GpRect* rects, INT count)
3243 {
3244 GpRectF *rectsF;
3245 GpStatus ret;
3246 INT i;
3247
3248 TRACE("(%p, %p, %p, %d)\n", graphics, pen, rects, count);
3249
3250 if(!rects || count<=0)
3251 return InvalidParameter;
3252
3253 rectsF = GdipAlloc(sizeof(GpRectF) * count);
3254 if(!rectsF)
3255 return OutOfMemory;
3256
3257 for(i = 0;i < count;i++){
3258 rectsF[i].X = (REAL)rects[i].X;
3259 rectsF[i].Y = (REAL)rects[i].Y;
3260 rectsF[i].Width = (REAL)rects[i].Width;
3261 rectsF[i].Height = (REAL)rects[i].Height;
3262 }
3263
3264 ret = GdipDrawRectangles(graphics, pen, rectsF, count);
3265 GdipFree(rectsF);
3266
3267 return ret;
3268 }
3269
3270 GpStatus WINGDIPAPI GdipFillClosedCurve2(GpGraphics *graphics, GpBrush *brush,
3271 GDIPCONST GpPointF *points, INT count, REAL tension, GpFillMode fill)
3272 {
3273 GpPath *path;
3274 GpStatus stat;
3275
3276 TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
3277 count, tension, fill);
3278
3279 if(!graphics || !brush || !points)
3280 return InvalidParameter;
3281
3282 if(graphics->busy)
3283 return ObjectBusy;
3284
3285 if(count == 1) /* Do nothing */
3286 return Ok;
3287
3288 stat = GdipCreatePath(fill, &path);
3289 if(stat != Ok)
3290 return stat;
3291
3292 stat = GdipAddPathClosedCurve2(path, points, count, tension);
3293 if(stat != Ok){
3294 GdipDeletePath(path);
3295 return stat;
3296 }
3297
3298 stat = GdipFillPath(graphics, brush, path);
3299 if(stat != Ok){
3300 GdipDeletePath(path);
3301 return stat;
3302 }
3303
3304 GdipDeletePath(path);
3305
3306 return Ok;
3307 }
3308
3309 GpStatus WINGDIPAPI GdipFillClosedCurve2I(GpGraphics *graphics, GpBrush *brush,
3310 GDIPCONST GpPoint *points, INT count, REAL tension, GpFillMode fill)
3311 {
3312 GpPointF *ptf;
3313 GpStatus stat;
3314 INT i;
3315
3316 TRACE("(%p, %p, %p, %d, %.2f, %d)\n", graphics, brush, points,
3317 count, tension, fill);
3318
3319 if(!points || count == 0)
3320 return InvalidParameter;
3321
3322 if(count == 1) /* Do nothing */
3323 return Ok;
3324
3325 ptf = GdipAlloc(sizeof(GpPointF)*count);
3326 if(!ptf)
3327 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 stat = GdipFillClosedCurve2(graphics, brush, ptf, count, tension, fill);
3335
3336 GdipFree(ptf);
3337
3338 return stat;
3339 }
3340
3341 GpStatus WINGDIPAPI GdipFillClosedCurve(GpGraphics *graphics, GpBrush *brush,
3342 GDIPCONST GpPointF *points, INT count)
3343 {
3344 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
3345 return GdipFillClosedCurve2(graphics, brush, points, count,
3346 0.5f, FillModeAlternate);
3347 }
3348
3349 GpStatus WINGDIPAPI GdipFillClosedCurveI(GpGraphics *graphics, GpBrush *brush,
3350 GDIPCONST GpPoint *points, INT count)
3351 {
3352 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
3353 return GdipFillClosedCurve2I(graphics, brush, points, count,
3354 0.5f, FillModeAlternate);
3355 }
3356
3357 GpStatus WINGDIPAPI GdipFillEllipse(GpGraphics *graphics, GpBrush *brush, REAL x,
3358 REAL y, REAL width, REAL height)
3359 {
3360 GpStatus stat;
3361 GpPath *path;
3362
3363 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
3364
3365 if(!graphics || !brush)
3366 return InvalidParameter;
3367
3368 if(graphics->busy)
3369 return ObjectBusy;
3370
3371 stat = GdipCreatePath(FillModeAlternate, &path);
3372
3373 if (stat == Ok)
3374 {
3375 stat = GdipAddPathEllipse(path, x, y, width, height);
3376
3377 if (stat == Ok)
3378 stat = GdipFillPath(graphics, brush, path);
3379
3380 GdipDeletePath(path);
3381 }
3382
3383 return stat;
3384 }
3385
3386 GpStatus WINGDIPAPI GdipFillEllipseI(GpGraphics *graphics, GpBrush *brush, INT x,
3387 INT y, INT width, INT height)
3388 {
3389 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
3390
3391 return GdipFillEllipse(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height);
3392 }
3393
3394 static GpStatus GDI32_GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
3395 {
3396 INT save_state;
3397 GpStatus retval;
3398
3399 if(!graphics->hdc || !brush_can_fill_path(brush))
3400 return NotImplemented;
3401
3402 save_state = SaveDC(graphics->hdc);
3403 EndPath(graphics->hdc);
3404 SetPolyFillMode(graphics->hdc, (path->fill == FillModeAlternate ? ALTERNATE
3405 : WINDING));
3406
3407 BeginPath(graphics->hdc);
3408 retval = draw_poly(graphics, NULL, path->pathdata.Points,
3409 path->pathdata.Types, path->pathdata.Count, FALSE);
3410
3411 if(retval != Ok)
3412 goto end;
3413
3414 EndPath(graphics->hdc);
3415 brush_fill_path(graphics, brush);
3416
3417 retval = Ok;
3418
3419 end:
3420 RestoreDC(graphics->hdc, save_state);
3421
3422 return retval;
3423 }
3424
3425 static GpStatus SOFTWARE_GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
3426 {
3427 GpStatus stat;
3428 GpRegion *rgn;
3429
3430 if (!brush_can_fill_pixels(brush))
3431 return NotImplemented;
3432
3433 /* FIXME: This could probably be done more efficiently without regions. */
3434
3435 stat = GdipCreateRegionPath(path, &rgn);
3436
3437 if (stat == Ok)
3438 {
3439 stat = GdipFillRegion(graphics, brush, rgn);
3440
3441 GdipDeleteRegion(rgn);
3442 }
3443
3444 return stat;
3445 }
3446
3447 GpStatus WINGDIPAPI GdipFillPath(GpGraphics *graphics, GpBrush *brush, GpPath *path)
3448 {
3449 GpStatus stat = NotImplemented;
3450
3451 TRACE("(%p, %p, %p)\n", graphics, brush, path);
3452
3453 if(!brush || !graphics || !path)
3454 return InvalidParameter;
3455
3456 if(graphics->busy)
3457 return ObjectBusy;
3458
3459 if (!graphics->image)
3460 stat = GDI32_GdipFillPath(graphics, brush, path);
3461
3462 if (stat == NotImplemented)
3463 stat = SOFTWARE_GdipFillPath(graphics, brush, path);
3464
3465 if (stat == NotImplemented)
3466 {
3467 FIXME("Not implemented for brushtype %i\n", brush->bt);
3468 stat = Ok;
3469 }
3470
3471 return stat;
3472 }
3473
3474 GpStatus WINGDIPAPI GdipFillPie(GpGraphics *graphics, GpBrush *brush, REAL x,
3475 REAL y, REAL width, REAL height, REAL startAngle, REAL sweepAngle)
3476 {
3477 GpStatus stat;
3478 GpPath *path;
3479
3480 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f, %.2f, %.2f)\n",
3481 graphics, brush, x, y, width, height, startAngle, sweepAngle);
3482
3483 if(!graphics || !brush)
3484 return InvalidParameter;
3485
3486 if(graphics->busy)
3487 return ObjectBusy;
3488
3489 stat = GdipCreatePath(FillModeAlternate, &path);
3490
3491 if (stat == Ok)
3492 {
3493 stat = GdipAddPathPie(path, x, y, width, height, startAngle, sweepAngle);
3494
3495 if (stat == Ok)
3496 stat = GdipFillPath(graphics, brush, path);
3497
3498 GdipDeletePath(path);
3499 }
3500
3501 return stat;
3502 }
3503
3504 GpStatus WINGDIPAPI GdipFillPieI(GpGraphics *graphics, GpBrush *brush, INT x,
3505 INT y, INT width, INT height, REAL startAngle, REAL sweepAngle)
3506 {
3507 TRACE("(%p, %p, %d, %d, %d, %d, %.2f, %.2f)\n",
3508 graphics, brush, x, y, width, height, startAngle, sweepAngle);
3509
3510 return GdipFillPie(graphics,brush,(REAL)x,(REAL)y,(REAL)width,(REAL)height,startAngle,sweepAngle);
3511 }
3512
3513 GpStatus WINGDIPAPI GdipFillPolygon(GpGraphics *graphics, GpBrush *brush,
3514 GDIPCONST GpPointF *points, INT count, GpFillMode fillMode)
3515 {
3516 GpStatus stat;
3517 GpPath *path;
3518
3519 TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
3520
3521 if(!graphics || !brush || !points || !count)
3522 return InvalidParameter;
3523
3524 if(graphics->busy)
3525 return ObjectBusy;
3526
3527 stat = GdipCreatePath(fillMode, &path);
3528
3529 if (stat == Ok)
3530 {
3531 stat = GdipAddPathPolygon(path, points, count);
3532
3533 if (stat == Ok)
3534 stat = GdipFillPath(graphics, brush, path);
3535
3536 GdipDeletePath(path);
3537 }
3538
3539 return stat;
3540 }
3541
3542 GpStatus WINGDIPAPI GdipFillPolygonI(GpGraphics *graphics, GpBrush *brush,
3543 GDIPCONST GpPoint *points, INT count, GpFillMode fillMode)
3544 {
3545 GpStatus stat;
3546 GpPath *path;
3547
3548 TRACE("(%p, %p, %p, %d, %d)\n", graphics, brush, points, count, fillMode);
3549
3550 if(!graphics || !brush || !points || !count)
3551 return InvalidParameter;
3552
3553 if(graphics->busy)
3554 return ObjectBusy;
3555
3556 stat = GdipCreatePath(fillMode, &path);
3557
3558 if (stat == Ok)
3559 {
3560 stat = GdipAddPathPolygonI(path, points, count);
3561
3562 if (stat == Ok)
3563 stat = GdipFillPath(graphics, brush, path);
3564
3565 GdipDeletePath(path);
3566 }
3567
3568 return stat;
3569 }
3570
3571 GpStatus WINGDIPAPI GdipFillPolygon2(GpGraphics *graphics, GpBrush *brush,
3572 GDIPCONST GpPointF *points, INT count)
3573 {
3574 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
3575
3576 return GdipFillPolygon(graphics, brush, points, count, FillModeAlternate);
3577 }
3578
3579 GpStatus WINGDIPAPI GdipFillPolygon2I(GpGraphics *graphics, GpBrush *brush,
3580 GDIPCONST GpPoint *points, INT count)
3581 {
3582 TRACE("(%p, %p, %p, %d)\n", graphics, brush, points, count);
3583
3584 return GdipFillPolygonI(graphics, brush, points, count, FillModeAlternate);
3585 }
3586
3587 GpStatus WINGDIPAPI GdipFillRectangle(GpGraphics *graphics, GpBrush *brush,
3588 REAL x, REAL y, REAL width, REAL height)
3589 {
3590 GpStatus stat;
3591 GpPath *path;
3592
3593 TRACE("(%p, %p, %.2f, %.2f, %.2f, %.2f)\n", graphics, brush, x, y, width, height);
3594
3595 if(!graphics || !brush)
3596 return InvalidParameter;
3597
3598 if(graphics->busy)
3599 return ObjectBusy;
3600
3601 stat = GdipCreatePath(FillModeAlternate, &path);
3602
3603 if (stat == Ok)
3604 {
3605 stat = GdipAddPathRectangle(path, x, y, width, height);
3606
3607 if (stat == Ok)
3608 stat = GdipFillPath(graphics, brush, path);
3609
3610 GdipDeletePath(path);
3611 }
3612
3613 return stat;
3614 }
3615
3616 GpStatus WINGDIPAPI GdipFillRectangleI(GpGraphics *graphics, GpBrush *brush,
3617 INT x, INT y, INT width, INT height)
3618 {
3619 TRACE("(%p, %p, %d, %d, %d, %d)\n", graphics, brush, x, y, width, height);
3620
3621 return GdipFillRectangle(graphics, brush, x, y, width, height);
3622 }
3623
3624 GpStatus WINGDIPAPI GdipFillRectangles(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRectF *rects,
3625 INT count)
3626 {
3627 GpStatus ret;
3628 INT i;
3629
3630 TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
3631
3632 if(!rects)
3633 return InvalidParameter;
3634
3635 for(i = 0; i < count; i++){
3636 ret = GdipFillRectangle(graphics, brush, rects[i].X, rects[i].Y, rects[i].Width, rects[i].Height);
3637 if(ret != Ok) return ret;
3638 }
3639
3640 return Ok;
3641 }
3642
3643 GpStatus WINGDIPAPI GdipFillRectanglesI(GpGraphics *graphics, GpBrush *brush, GDIPCONST GpRect *rects,
3644 INT count)
3645 {
3646 GpRectF *rectsF;
3647 GpStatus ret;
3648 INT i;
3649
3650 TRACE("(%p, %p, %p, %d)\n", graphics, brush, rects, count);
3651
3652 if(!rects || count <= 0)
3653 return InvalidParameter;
3654
3655 rectsF = GdipAlloc(sizeof(GpRectF)*count);
3656 if(!rectsF)
3657 return OutOfMemory;
3658
3659 for(i = 0; i < count; i++){
3660 rectsF[i].X = (REAL)rects[i].X;
3661 rectsF[i].Y = (REAL)rects[i].Y;
3662 rectsF[i].X = (REAL)rects[i].Width;
3663 rectsF[i].Height = (REAL)rects[i].Height;
3664 }
3665
3666 ret = GdipFillRectangles(graphics,brush,rectsF,count);
3667 GdipFree(rectsF);
3668
3669 return ret;
3670 }
3671
3672 static GpStatus GDI32_GdipFillRegion(GpGraphics* graphics, GpBrush* brush,
3673 GpRegion* region)
3674 {
3675 INT save_state;
3676 GpStatus status;
3677 HRGN hrgn;
3678 RECT rc;
3679
3680 if(!graphics->hdc || !brush_can_fill_path(brush))
3681 return NotImplemented;
3682
3683 status = GdipGetRegionHRgn(region, graphics, &hrgn);
3684 if(status != Ok)
3685 return status;
3686
3687 save_state = SaveDC(graphics->hdc);
3688 EndPath(graphics->hdc);
3689
3690 ExtSelectClipRgn(graphics->hdc, hrgn, RGN_AND);
3691
3692 if (GetClipBox(graphics->hdc, &rc) != NULLREGION)
3693 {
3694 BeginPath(graphics->hdc);
3695 Rectangle(graphics->hdc, rc.left, rc.top, rc.right, rc.bottom);
3696 EndPath(graphics->hdc);
3697
3698 brush_fill_path(graphics, brush);
3699 }
3700
3701 RestoreDC(graphics->hdc, save_state);
3702
3703 DeleteObject(hrgn);
3704
3705 return Ok;
3706 }
3707
3708 static GpStatus SOFTWARE_GdipFillRegion(GpGraphics *graphics, GpBrush *brush,
3709 GpRegion* region)
3710 {
3711 GpStatus stat;
3712 GpRegion *temp_region;
3713 GpMatrix *world_to_device, *identity;
3714 GpRectF graphics_bounds;
3715 UINT scans_count, i;
3716 INT dummy;
3717 GpRect *scans = NULL;
3718 DWORD *pixel_data;
3719
3720 if (!brush_can_fill_pixels(brush))
3721 return NotImplemented;
3722
3723 stat = get_graphics_bounds(graphics, &graphics_bounds);
3724
3725 if (stat == Ok)
3726 stat = GdipCloneRegion(region, &temp_region);
3727
3728 if (stat == Ok)
3729 {
3730 stat = get_graphics_transform(graphics, CoordinateSpaceDevice,
3731 CoordinateSpaceWorld, &world_to_device);
3732
3733 if (stat == Ok)
3734 {
3735 stat = GdipTransformRegion(temp_region, world_to_device);
3736
3737 GdipDeleteMatrix(world_to_device);
3738 }
3739
3740 if (stat == Ok)
3741 stat = GdipCombineRegionRect(temp_region, &graphics_bounds, CombineModeIntersect);
3742
3743 if (stat == Ok)
3744 stat = GdipCreateMatrix(&identity);
3745
3746 if (stat == Ok)
3747 {
3748 stat = GdipGetRegionScansCount(temp_region, &scans_count, identity);
3749
3750 if (stat == Ok && scans_count != 0)
3751 {
3752 scans = GdipAlloc(sizeof(*scans) * scans_count);
3753 if (!scans)
3754 stat = OutOfMemory;
3755
3756 if (stat == Ok)
3757 {
3758 stat = GdipGetRegionScansI(temp_region, scans, &dummy, identity);
3759
3760 if (stat != Ok)
3761 GdipFree(scans);
3762 }
3763 }
3764
3765 GdipDeleteMatrix(identity);
3766 }
3767
3768 GdipDeleteRegion(temp_region);
3769 }
3770
3771 if (stat == Ok && scans_count == 0)
3772 return Ok;
3773
3774 if (stat == Ok)
3775 {
3776 if (!graphics->image)
3777 {
3778 /* If we have to go through gdi32, use as few alpha blends as possible. */
3779 INT min_x, min_y, max_x, max_y;
3780 UINT data_width, data_height;
3781
3782 min_x = scans[0].X;
3783 min_y = scans[0].Y;
3784 max_x = scans[0].X+scans[0].Width;
3785 max_y = scans[0].Y+scans[0].Height;
3786
3787 for (i=1; i<scans_count; i++)
3788 {
3789 min_x = min(min_x, scans[i].X);
3790 min_y = min(min_y, scans[i].Y);
3791 max_x = max(max_x, scans[i].X+scans[i].Width);
3792 max_y = max(max_y, scans[i].Y+scans[i].Height);
3793 }
3794
3795 data_width = max_x - min_x;
3796 data_height = max_y - min_y;
3797
3798 pixel_data = GdipAlloc(sizeof(*pixel_data) * data_width * data_height);
3799 if (!pixel_data)
3800 stat = OutOfMemory;
3801
3802 if (stat == Ok)
3803 {
3804 for (i=0; i<scans_count; i++)
3805 {
3806 stat = brush_fill_pixels(graphics, brush,
3807 pixel_data + (scans[i].X - min_x) + (scans[i].Y - min_y) * data_width,
3808 &scans[i], data_width);
3809
3810 if (stat != Ok)
3811 break;
3812 }
3813
3814 if (stat == Ok)
3815 {
3816 stat = alpha_blend_pixels(graphics, min_x, min_y,
3817 (BYTE*)pixel_data, data_width, data_height,
3818 data_width * 4);
3819 }
3820
3821 GdipFree(pixel_data);
3822 }
3823 }
3824 else
3825 {
3826 UINT max_size=0;
3827
3828 for (i=0; i<scans_count; i++)
3829 {
3830 UINT size = scans[i].Width * scans[i].Height;
3831
3832 if (size > max_size)
3833 max_size = size;
3834 }
3835
3836 pixel_data = GdipAlloc(sizeof(*pixel_data) * max_size);
3837 if (!pixel_data)
3838 stat = OutOfMemory;
3839
3840 if (stat == Ok)
3841 {
3842 for (i=0; i<scans_count; i++)
3843 {
3844 stat = brush_fill_pixels(graphics, brush, pixel_data, &scans[i],
3845 scans[i].Width);
3846
3847 if (stat == Ok)
3848 {
3849 stat = alpha_blend_pixels(graphics, scans[i].X, scans[i].Y,
3850 (BYTE*)pixel_data, scans[i].Width, scans[i].Height,
3851 scans[i].Width * 4);
3852 }
3853
3854 if (stat != Ok)
3855 break;
3856 }
3857
3858 GdipFree(pixel_data);
3859 }
3860 }
3861
3862 GdipFree(scans);
3863 }
3864
3865 return stat;
3866 }
3867
3868 /*****************************************************************************
3869 * GdipFillRegion [GDIPLUS.@]
3870 */
3871 GpStatus WINGDIPAPI GdipFillRegion(GpGraphics* graphics, GpBrush* brush,
3872 GpRegion* region)
3873 {
3874 GpStatus stat = NotImplemented;
3875
3876 TRACE("(%p, %p, %p)\n", graphics, brush, region);
3877
3878 if (!(graphics && brush && region))
3879 return InvalidParameter;
3880
3881 if(graphics->busy)
3882 return ObjectBusy;
3883
3884 if (!graphics->image)
3885 stat = GDI32_GdipFillRegion(graphics, brush, region);
3886
3887 if (stat == NotImplemented)
3888 stat = SOFTWARE_GdipFillRegion(graphics, brush, region);
3889
3890 if (stat == NotImplemented)
3891 {
3892 FIXME("not implemented for brushtype %i\n", brush->bt);
3893 stat = Ok;
3894 }
3895
3896 return stat;
3897 }
3898
3899 GpStatus WINGDIPAPI GdipFlush(GpGraphics *graphics, GpFlushIntention intention)
3900 {
3901 TRACE("(%p,%u)\n", graphics, intention);
3902
3903 if(!graphics)
3904 return InvalidParameter;
3905
3906 if(graphics->busy)
3907 return ObjectBusy;
3908
3909 /* We have no internal operation queue, so there's no need to clear it. */
3910
3911 if (graphics->hdc)
3912 GdiFlush();
3913
3914 return Ok;
3915 }
3916
3917 /*****************************************************************************
3918 * GdipGetClipBounds [GDIPLUS.@]
3919 */
3920 GpStatus WINGDIPAPI GdipGetClipBounds(GpGraphics *graphics, GpRectF *rect)
3921 {
3922 TRACE("(%p, %p)\n", graphics, rect);
3923
3924 if(!graphics)
3925 return InvalidParameter;
3926
3927 if(graphics->busy)
3928 return ObjectBusy;
3929
3930 return GdipGetRegionBounds(graphics->clip, graphics, rect);
3931 }
3932
3933 /*****************************************************************************
3934 * GdipGetClipBoundsI [GDIPLUS.@]
3935 */
3936 GpStatus WINGDIPAPI GdipGetClipBoundsI(GpGraphics *graphics, GpRect *rect)
3937 {
3938 TRACE("(%p, %p)\n", graphics, rect);
3939
3940 if(!graphics)
3941 return InvalidParameter;
3942
3943 if(graphics->busy)
3944 return ObjectBusy;
3945
3946 return GdipGetRegionBoundsI(graphics->clip, graphics, rect);
3947 }
3948
3949 /* FIXME: Compositing mode is not used anywhere except the getter/setter. */
3950 GpStatus WINGDIPAPI GdipGetCompositingMode(GpGraphics *graphics,
3951 CompositingMode *mode)
3952 {
3953 TRACE("(%p, %p)\n", graphics, mode);
3954
3955 if(!graphics || !mode)
3956 return InvalidParameter;
3957
3958 if(graphics->busy)
3959 return ObjectBusy;
3960
3961 *mode = graphics->compmode;
3962
3963 return Ok;
3964 }
3965
3966 /* FIXME: Compositing quality is not used anywhere except the getter/setter. */
3967 GpStatus WINGDIPAPI GdipGetCompositingQuality(GpGraphics *graphics,
3968 CompositingQuality *quality)
3969 {
3970 TRACE("(%p, %p)\n", graphics, quality);
3971
3972 if(!graphics || !quality)
3973 return InvalidParameter;
3974
3975 if(graphics->busy)
3976 return ObjectBusy;
3977
3978 *quality = graphics->compqual;
3979
3980 return Ok;
3981 }
3982
3983 /* FIXME: Interpolation mode is not used anywhere except the getter/setter. */
3984 GpStatus WINGDIPAPI GdipGetInterpolationMode(GpGraphics *graphics,
3985 InterpolationMode *mode)
3986 {
3987 TRACE("(%p, %p)\n", graphics, mode);
3988
3989 if(!graphics || !mode)
3990 return InvalidParameter;
3991
3992 if(graphics->busy)
3993 return ObjectBusy;
3994
3995 *mode = graphics->interpolation;
3996
3997 return Ok;
3998 }
3999
4000 /* FIXME: Need to handle color depths less than 24bpp */
4001 GpStatus WINGDIPAPI GdipGetNearestColor(GpGraphics *graphics, ARGB* argb)
4002 {
4003 FIXME("(%p, %p): Passing color unmodified\n", graphics, argb);
4004
4005 if(!graphics || !argb)
4006 return InvalidParameter;
4007
4008 if(graphics->busy)
4009 return ObjectBusy;
4010
4011 return Ok;
4012 }
4013
4014 GpStatus WINGDIPAPI GdipGetPageScale(GpGraphics *graphics, REAL *scale)
4015 {
4016 TRACE("(%p, %p)\n", graphics, scale);
4017
4018 if(!graphics || !scale)
4019 return InvalidParameter;
4020
4021 if(graphics->busy)
4022 return ObjectBusy;
4023
4024 *scale = graphics->scale;
4025
4026 return Ok;
4027 }
4028
4029 GpStatus WINGDIPAPI GdipGetPageUnit(GpGraphics *graphics, GpUnit *unit)
4030 {
4031 TRACE("(%p, %p)\n", graphics, unit);
4032
4033 if(!graphics || !unit)
4034 return InvalidParameter;
4035
4036 if(graphics->busy)
4037 return ObjectBusy;
4038
4039 *unit = graphics->unit;
4040
4041 return Ok;
4042 }
4043
4044 /* FIXME: Pixel offset mode is not used anywhere except the getter/setter. */
4045 GpStatus WINGDIPAPI GdipGetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
4046 *mode)
4047 {
4048 TRACE("(%p, %p)\n", graphics, mode);
4049
4050 if(!graphics || !mode)
4051 return InvalidParameter;
4052
4053 if(graphics->busy)
4054 return ObjectBusy;
4055
4056 *mode = graphics->pixeloffset;
4057
4058 return Ok;
4059 }
4060
4061 /* FIXME: Smoothing mode is not used anywhere except the getter/setter. */
4062 GpStatus WINGDIPAPI GdipGetSmoothingMode(GpGraphics *graphics, SmoothingMode *mode)
4063 {
4064 TRACE("(%p, %p)\n", graphics, mode);
4065
4066 if(!graphics || !mode)
4067 return InvalidParameter;
4068
4069 if(graphics->busy)
4070 return ObjectBusy;
4071
4072 *mode = graphics->smoothing;
4073
4074 return Ok;
4075 }
4076
4077 GpStatus WINGDIPAPI GdipGetTextContrast(GpGraphics *graphics, UINT *contrast)
4078 {
4079 TRACE("(%p, %p)\n", graphics, contrast);
4080
4081 if(!graphics || !contrast)
4082 return InvalidParameter;
4083
4084 *contrast = graphics->textcontrast;
4085
4086 return Ok;
4087 }
4088
4089 /* FIXME: Text rendering hint is not used anywhere except the getter/setter. */
4090 GpStatus WINGDIPAPI GdipGetTextRenderingHint(GpGraphics *graphics,
4091 TextRenderingHint *hint)
4092 {
4093 TRACE("(%p, %p)\n", graphics, hint);
4094
4095 if(!graphics || !hint)
4096 return InvalidParameter;
4097
4098 if(graphics->busy)
4099 return ObjectBusy;
4100
4101 *hint = graphics->texthint;
4102
4103 return Ok;
4104 }
4105
4106 GpStatus WINGDIPAPI GdipGetVisibleClipBounds(GpGraphics *graphics, GpRectF *rect)
4107 {
4108 GpRegion *clip_rgn;
4109 GpStatus stat;
4110
4111 TRACE("(%p, %p)\n", graphics, rect);
4112
4113 if(!graphics || !rect)
4114 return InvalidParameter;
4115
4116 if(graphics->busy)
4117 return ObjectBusy;
4118
4119 /* intersect window and graphics clipping regions */
4120 if((stat = GdipCreateRegion(&clip_rgn)) != Ok)
4121 return stat;
4122
4123 if((stat = get_visible_clip_region(graphics, clip_rgn)) != Ok)
4124 goto cleanup;
4125
4126 /* get bounds of the region */
4127 stat = GdipGetRegionBounds(clip_rgn, graphics, rect);
4128
4129 cleanup:
4130 GdipDeleteRegion(clip_rgn);
4131
4132 return stat;
4133 }
4134
4135 GpStatus WINGDIPAPI GdipGetVisibleClipBoundsI(GpGraphics *graphics, GpRect *rect)
4136 {
4137 GpRectF rectf;
4138 GpStatus stat;
4139
4140 TRACE("(%p, %p)\n", graphics, rect);
4141
4142 if(!graphics || !rect)
4143 return InvalidParameter;
4144
4145 if((stat = GdipGetVisibleClipBounds(graphics, &rectf)) == Ok)
4146 {
4147 rect->X = roundr(rectf.X);
4148 rect->Y = roundr(rectf.Y);
4149 rect->Width = roundr(rectf.Width);
4150 rect->Height = roundr(rectf.Height);
4151 }
4152
4153 return stat;
4154 }
4155
4156 GpStatus WINGDIPAPI GdipGetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
4157 {
4158 TRACE("(%p, %p)\n", graphics, matrix);
4159
4160 if(!graphics || !matrix)
4161 return InvalidParameter;
4162
4163 if(graphics->busy)
4164 return ObjectBusy;
4165
4166 *matrix = *graphics->worldtrans;
4167 return Ok;
4168 }
4169
4170 GpStatus WINGDIPAPI GdipGraphicsClear(GpGraphics *graphics, ARGB color)
4171 {
4172 GpSolidFill *brush;
4173 GpStatus stat;
4174 GpRectF wnd_rect;
4175
4176 TRACE("(%p, %x)\n", graphics, color);
4177
4178 if(!graphics)
4179 return InvalidParameter;
4180
4181 if(graphics->busy)
4182 return ObjectBusy;
4183
4184 if((stat = GdipCreateSolidFill(color, &brush)) != Ok)
4185 return stat;
4186
4187 if((stat = get_graphics_bounds(graphics, &wnd_rect)) != Ok){
4188 GdipDeleteBrush((GpBrush*)brush);
4189 return stat;
4190 }
4191
4192 GdipFillRectangle(graphics, (GpBrush*)brush, wnd_rect.X, wnd_rect.Y,
4193 wnd_rect.Width, wnd_rect.Height);
4194
4195 GdipDeleteBrush((GpBrush*)brush);
4196
4197 return Ok;
4198 }
4199
4200 GpStatus WINGDIPAPI GdipIsClipEmpty(GpGraphics *graphics, BOOL *res)
4201 {
4202 TRACE("(%p, %p)\n", graphics, res);
4203
4204 if(!graphics || !res)
4205 return InvalidParameter;
4206
4207 return GdipIsEmptyRegion(graphics->clip, graphics, res);
4208 }
4209
4210 GpStatus WINGDIPAPI GdipIsVisiblePoint(GpGraphics *graphics, REAL x, REAL y, BOOL *result)
4211 {
4212 GpStatus stat;
4213 GpRegion* rgn;
4214 GpPointF pt;
4215
4216 TRACE("(%p, %.2f, %.2f, %p)\n", graphics, x, y, result);
4217
4218 if(!graphics || !result)
4219 return InvalidParameter;
4220
4221 if(graphics->busy)
4222 return ObjectBusy;
4223
4224 pt.X = x;
4225 pt.Y = y;
4226 if((stat = GdipTransformPoints(graphics, CoordinateSpaceDevice,
4227 CoordinateSpaceWorld, &pt, 1)) != Ok)
4228 return stat;
4229
4230 if((stat = GdipCreateRegion(&rgn)) != Ok)
4231 return stat;
4232
4233 if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
4234 goto cleanup;
4235
4236 stat = GdipIsVisibleRegionPoint(rgn, pt.X, pt.Y, graphics, result);
4237
4238 cleanup:
4239 GdipDeleteRegion(rgn);
4240 return stat;
4241 }
4242
4243 GpStatus WINGDIPAPI GdipIsVisiblePointI(GpGraphics *graphics, INT x, INT y, BOOL *result)
4244 {
4245 return GdipIsVisiblePoint(graphics, (REAL)x, (REAL)y, result);
4246 }
4247
4248 GpStatus WINGDIPAPI GdipIsVisibleRect(GpGraphics *graphics, REAL x, REAL y, REAL width, REAL height, BOOL *result)
4249 {
4250 GpStatus stat;
4251 GpRegion* rgn;
4252 GpPointF pts[2];
4253
4254 TRACE("(%p %.2f %.2f %.2f %.2f %p)\n", graphics, x, y, width, height, result);
4255
4256 if(!graphics || !result)
4257 return InvalidParameter;
4258
4259 if(graphics->busy)
4260 return ObjectBusy;
4261
4262 pts[0].X = x;
4263 pts[0].Y = y;
4264 pts[1].X = x + width;
4265 pts[1].Y = y + height;
4266
4267 if((stat = GdipTransformPoints(graphics, CoordinateSpaceDevice,
4268 CoordinateSpaceWorld, pts, 2)) != Ok)
4269 return stat;
4270
4271 pts[1].X -= pts[0].X;
4272 pts[1].Y -= pts[0].Y;
4273
4274 if((stat = GdipCreateRegion(&rgn)) != Ok)
4275 return stat;
4276
4277 if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
4278 goto cleanup;
4279
4280 stat = GdipIsVisibleRegionRect(rgn, pts[0].X, pts[0].Y, pts[1].X, pts[1].Y, graphics, result);
4281
4282 cleanup:
4283 GdipDeleteRegion(rgn);
4284 return stat;
4285 }
4286
4287 GpStatus WINGDIPAPI GdipIsVisibleRectI(GpGraphics *graphics, INT x, INT y, INT width, INT height, BOOL *result)
4288 {
4289 return GdipIsVisibleRect(graphics, (REAL)x, (REAL)y, (REAL)width, (REAL)height, result);
4290 }
4291
4292 GpStatus gdip_format_string(HDC hdc,
4293 GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
4294 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
4295 gdip_format_string_callback callback, void *user_data)
4296 {
4297 WCHAR* stringdup;
4298 int sum = 0, height = 0, fit, fitcpy, i, j, lret, nwidth,
4299 nheight, lineend, lineno = 0;
4300 RectF bounds;
4301 StringAlignment halign;
4302 GpStatus stat = Ok;
4303 SIZE size;
4304
4305 if(length == -1) length = lstrlenW(string);
4306
4307 stringdup = GdipAlloc((length + 1) * sizeof(WCHAR));
4308 if(!stringdup) return OutOfMemory;
4309
4310 nwidth = roundr(rect->Width);
4311 nheight = roundr(rect->Height);
4312
4313 if (rect->Width >= INT_MAX || rect->Width < 0.5) nwidth = INT_MAX;
4314 if (rect->Height >= INT_MAX || rect->Width < 0.5) nheight = INT_MAX;
4315
4316 for(i = 0, j = 0; i < length; i++){
4317 /* FIXME: This makes the indexes passed to callback inaccurate. */
4318 if(!isprintW(string[i]) && (string[i] != '\n'))
4319 continue;
4320
4321 stringdup[j] = string[i];
4322 j++;
4323 }
4324
4325 length = j;
4326
4327 if (format) halign = format->align;
4328 else halign = StringAlignmentNear;
4329
4330 while(sum < length){
4331 GetTextExtentExPointW(hdc, stringdup + sum, length - sum,
4332 nwidth, &fit, NULL, &size);
4333 fitcpy = fit;
4334
4335 if(fit == 0)
4336 break;
4337
4338 for(lret = 0; lret < fit; lret++)
4339 if(*(stringdup + sum + lret) == '\n')
4340 break;
4341
4342 /* Line break code (may look strange, but it imitates windows). */
4343 if(lret < fit)
4344 lineend = fit = lret; /* this is not an off-by-one error */
4345 else if(fit < (length - sum)){
4346 if(*(stringdup + sum + fit) == ' ')
4347 while(*(stringdup + sum + fit) == ' ')
4348 fit++;
4349 else
4350 while(*(stringdup + sum + fit - 1) != ' '){
4351 fit--;
4352
4353 if(*(stringdup + sum + fit) == '\t')
4354 break;
4355
4356 if(fit == 0){
4357 fit = fitcpy;
4358 break;
4359 }
4360 }
4361 lineend = fit;
4362 while(*(stringdup + sum + lineend - 1) == ' ' ||
4363 *(stringdup + sum + lineend - 1) == '\t')
4364 lineend--;
4365 }
4366 else
4367 lineend = fit;
4368
4369 GetTextExtentExPointW(hdc, stringdup + sum, lineend,
4370 nwidth, &j, NULL, &size);
4371
4372 bounds.Width = size.cx;
4373
4374 if(height + size.cy > nheight)
4375 bounds.Height = nheight - (height + size.cy);
4376 else
4377 bounds.Height = size.cy;
4378
4379 bounds.Y = rect->Y + height;
4380
4381 switch (halign)
4382 {
4383 case StringAlignmentNear:
4384 default:
4385 bounds.X = rect->X;
4386 break;
4387 case StringAlignmentCenter:
4388 bounds.X = rect->X + (rect->Width/2) - (bounds.Width/2);
4389 break;
4390 case StringAlignmentFar:
4391 bounds.X = rect->X + rect->Width - bounds.Width;
4392 break;
4393 }
4394
4395 stat = callback(hdc, stringdup, sum, lineend,
4396 font, rect, format, lineno, &bounds, user_data);
4397
4398 if (stat != Ok)
4399 break;
4400
4401 sum += fit + (lret < fitcpy ? 1 : 0);
4402 height += size.cy;
4403 lineno++;
4404
4405 if(height > nheight)
4406 break;
4407
4408 /* Stop if this was a linewrap (but not if it was a linebreak). */
4409 if((lret == fitcpy) && format && (format->attr & StringFormatFlagsNoWrap))
4410 break;
4411 }
4412
4413 GdipFree(stringdup);
4414
4415 return stat;
4416 }
4417
4418 struct measure_ranges_args {
4419 GpRegion **regions;
4420 };
4421
4422 static GpStatus measure_ranges_callback(HDC hdc,
4423 GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
4424 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
4425 INT lineno, const RectF *bounds, void *user_data)
4426 {
4427 int i;
4428 GpStatus stat = Ok;
4429 struct measure_ranges_args *args = user_data;
4430
4431 for (i=0; i<format->range_count; i++)
4432 {
4433 INT range_start = max(index, format->character_ranges[i].First);
4434 INT range_end = min(index+length, format->character_ranges[i].First+format->character_ranges[i].Length);
4435 if (range_start < range_end)
4436 {
4437 GpRectF range_rect;
4438 SIZE range_size;
4439
4440 range_rect.Y = bounds->Y;
4441 range_rect.Height = bounds->Height;
4442
4443 GetTextExtentExPointW(hdc, string + index, range_start - index,
4444 INT_MAX, NULL, NULL, &range_size);
4445 range_rect.X = bounds->X + range_size.cx;
4446
4447 GetTextExtentExPointW(hdc, string + index, range_end - index,
4448 INT_MAX, NULL, NULL, &range_size);
4449 range_rect.Width = (bounds->X + range_size.cx) - range_rect.X;
4450
4451 stat = GdipCombineRegionRect(args->regions[i], &range_rect, CombineModeUnion);
4452 if (stat != Ok)
4453 break;
4454 }
4455 }
4456
4457 return stat;
4458 }
4459
4460 GpStatus WINGDIPAPI GdipMeasureCharacterRanges(GpGraphics* graphics,
4461 GDIPCONST WCHAR* string, INT length, GDIPCONST GpFont* font,
4462 GDIPCONST RectF* layoutRect, GDIPCONST GpStringFormat *stringFormat,
4463 INT regionCount, GpRegion** regions)
4464 {
4465 GpStatus stat;
4466 int i;
4467 HFONT oldfont;
4468 struct measure_ranges_args args;
4469 HDC hdc, temp_hdc=NULL;
4470
4471 TRACE("(%p %s %d %p %s %p %d %p)\n", graphics, debugstr_w(string),
4472 length, font, debugstr_rectf(layoutRect), stringFormat, regionCount, regions);
4473
4474 if (!(graphics && string && font && layoutRect && stringFormat && regions))
4475 return InvalidParameter;
4476
4477 if (regionCount < stringFormat->range_count)
4478 return InvalidParameter;
4479
4480 if(!graphics->hdc)
4481 {
4482 hdc = temp_hdc = CreateCompatibleDC(0);
4483 if (!temp_hdc) return OutOfMemory;
4484 }
4485 else
4486 hdc = graphics->hdc;
4487
4488 if (stringFormat->attr)
4489 TRACE("may be ignoring some format flags: attr %x\n", stringFormat->attr);
4490
4491 oldfont = SelectObject(hdc, CreateFontIndirectW(&font->lfw));
4492
4493 for (i=0; i<stringFormat->range_count; i++)
4494 {
4495 stat = GdipSetEmpty(regions[i]);
4496 if (stat != Ok)
4497 return stat;
4498 }
4499
4500 args.regions = regions;
4501
4502 stat = gdip_format_string(hdc, string, length, font, layoutRect, stringFormat,
4503 measure_ranges_callback, &args);
4504
4505 DeleteObject(SelectObject(hdc, oldfont));
4506
4507 if (temp_hdc)
4508 DeleteDC(temp_hdc);
4509
4510 return stat;
4511 }
4512
4513 struct measure_string_args {
4514 RectF *bounds;
4515 INT *codepointsfitted;
4516 INT *linesfilled;
4517 };
4518
4519 static GpStatus measure_string_callback(HDC hdc,
4520 GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
4521 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
4522 INT lineno, const RectF *bounds, void *user_data)
4523 {
4524 struct measure_string_args *args = user_data;
4525
4526 if (bounds->Width > args->bounds->Width)
4527 args->bounds->Width = bounds->Width;
4528
4529 if (bounds->Height + bounds->Y > args->bounds->Height + args->bounds->Y)
4530 args->bounds->Height = bounds->Height + bounds->Y - args->bounds->Y;
4531
4532 if (args->codepointsfitted)
4533 *args->codepointsfitted = index + length;
4534
4535 if (args->linesfilled)
4536 (*args->linesfilled)++;
4537
4538 return Ok;
4539 }
4540
4541 /* Find the smallest rectangle that bounds the text when it is printed in rect
4542 * according to the format options listed in format. If rect has 0 width and
4543 * height, then just find the smallest rectangle that bounds the text when it's
4544 * printed at location (rect->X, rect-Y). */
4545 GpStatus WINGDIPAPI GdipMeasureString(GpGraphics *graphics,
4546 GDIPCONST WCHAR *string, INT length, GDIPCONST GpFont *font,
4547 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format, RectF *bounds,
4548 INT *codepointsfitted, INT *linesfilled)
4549 {
4550 HFONT oldfont;
4551 struct measure_string_args args;
4552 HDC temp_hdc=NULL, hdc;
4553
4554 TRACE("(%p, %s, %i, %p, %s, %p, %p, %p, %p)\n", graphics,
4555 debugstr_wn(string, length), length, font, debugstr_rectf(rect), format,
4556 bounds, codepointsfitted, linesfilled);
4557
4558 if(!graphics || !string || !font || !rect || !bounds)
4559 return InvalidParameter;
4560
4561 if(!graphics->hdc)
4562 {
4563 hdc = temp_hdc = CreateCompatibleDC(0);
4564 if (!temp_hdc) return OutOfMemory;
4565 }
4566 else
4567 hdc = graphics->hdc;
4568
4569 if(linesfilled) *linesfilled = 0;
4570 if(codepointsfitted) *codepointsfitted = 0;
4571
4572 if(format)
4573 TRACE("may be ignoring some format flags: attr %x\n", format->attr);
4574
4575 oldfont = SelectObject(hdc, CreateFontIndirectW(&font->lfw));
4576
4577 bounds->X = rect->X;
4578 bounds->Y = rect->Y;
4579 bounds->Width = 0.0;
4580 bounds->Height = 0.0;
4581
4582 args.bounds = bounds;
4583 args.codepointsfitted = codepointsfitted;
4584 args.linesfilled = linesfilled;
4585
4586 gdip_format_string(hdc, string, length, font, rect, format,
4587 measure_string_callback, &args);
4588
4589 DeleteObject(SelectObject(hdc, oldfont));
4590
4591 if (temp_hdc)
4592 DeleteDC(temp_hdc);
4593
4594 return Ok;
4595 }
4596
4597 struct draw_string_args {
4598 POINT drawbase;
4599 UINT drawflags;
4600 REAL ang_cos, ang_sin;
4601 };
4602
4603 static GpStatus draw_string_callback(HDC hdc,
4604 GDIPCONST WCHAR *string, INT index, INT length, GDIPCONST GpFont *font,
4605 GDIPCONST RectF *rect, GDIPCONST GpStringFormat *format,
4606 INT lineno, const RectF *bounds, void *user_data)
4607 {
4608 struct draw_string_args *args = user_data;
4609 RECT drawcoord;
4610
4611 drawcoord.left = drawcoord.right = args->drawbase.x + roundr(args->ang_sin * bounds->Y);
4612 drawcoord.top = drawcoord.bottom = args->drawbase.y + roundr(args->ang_cos * bounds->Y);
4613
4614 DrawTextW(hdc, string + index, length, &drawcoord, args->drawflags);
4615
4616 return Ok;
4617 }
4618
4619 GpStatus WINGDIPAPI GdipDrawString(GpGraphics *graphics, GDIPCONST WCHAR *string,
4620 INT length, GDIPCONST GpFont *font, GDIPCONST RectF *rect,
4621 GDIPCONST GpStringFormat *format, GDIPCONST GpBrush *brush)
4622 {
4623 HRGN rgn = NULL;
4624 HFONT gdifont;
4625 GpPointF pt[3], rectcpy[4];
4626 POINT corners[4];
4627 REAL angle, rel_width, rel_height;
4628 INT offsety = 0, save_state;
4629 struct draw_string_args args;
4630 RectF scaled_rect;
4631
4632 TRACE("(%p, %s, %i, %p, %s, %p, %p)\n", graphics, debugstr_wn(string, length),
4633 length, font, debugstr_rectf(rect), format, brush);
4634
4635 if(!graphics || !string || !font || !brush || !rect)
4636 return InvalidParameter;
4637
4638 if((brush->bt != BrushTypeSolidColor)){
4639 FIXME("not implemented for given parameters\n");
4640 return NotImplemented;
4641 }
4642
4643 if(!graphics->hdc)
4644 {
4645 FIXME("graphics object has no HDC\n");
4646 return Ok;
4647 }
4648
4649 if(format){
4650 TRACE("may be ignoring some format flags: attr %x\n", format->attr);
4651
4652 /* Should be no need to explicitly test for StringAlignmentNear as
4653 * that is default behavior if no alignment is passed. */
4654 if(format->vertalign != StringAlignmentNear){
4655 RectF bounds;
4656 GdipMeasureString(graphics, string, length, font, rect, format, &bounds, 0, 0);
4657
4658 if(format->vertalign == StringAlignmentCenter)
4659 offsety = (rect->Height - bounds.Height) / 2;
4660 else if(format->vertalign == StringAlignmentFar)
4661 offsety = (rect->Height - bounds.Height);
4662 }
4663 }
4664
4665 save_state = SaveDC(graphics->hdc);
4666 SetBkMode(graphics->hdc, TRANSPARENT);
4667 SetTextColor(graphics->hdc, brush->lb.lbColor);
4668
4669 pt[0].X = 0.0;
4670 pt[0].Y = 0.0;
4671 pt[1].X = 1.0;
4672 pt[1].Y = 0.0;
4673 pt[2].X = 0.0;
4674 pt[2].Y = 1.0;
4675 GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, pt, 3);
4676 angle = -gdiplus_atan2((pt[1].Y - pt[0].Y), (pt[1].X - pt[0].X));
4677 args.ang_cos = cos(angle);
4678 args.ang_sin = sin(angle);
4679 rel_width = sqrt((pt[1].Y-pt[0].Y)*(pt[1].Y-pt[0].Y)+
4680 (pt[1].X-pt[0].X)*(pt[1].X-pt[0].X));
4681 rel_height = sqrt((pt[2].Y-pt[0].Y)*(pt[2].Y-pt[0].Y)+
4682 (pt[2].X-pt[0].X)*(pt[2].X-pt[0].X));
4683
4684 rectcpy[3].X = rectcpy[0].X = rect->X;
4685 rectcpy[1].Y = rectcpy[0].Y = rect->Y + offsety;
4686 rectcpy[2].X = rectcpy[1].X = rect->X + rect->Width;
4687 rectcpy[3].Y = rectcpy[2].Y = rect->Y + offsety + rect->Height;
4688 transform_and_round_points(graphics, corners, rectcpy, 4);
4689
4690 scaled_rect.X = 0.0;
4691 scaled_rect.Y = 0.0;
4692 scaled_rect.Width = rel_width * rect->Width;
4693 scaled_rect.Height = rel_height * rect->Height;
4694
4695 if (roundr(scaled_rect.Width) != 0 && roundr(scaled_rect.Height) != 0)
4696 {
4697 /* FIXME: If only the width or only the height is 0, we should probably still clip */
4698 rgn = CreatePolygonRgn(corners, 4, ALTERNATE);
4699 SelectClipRgn(graphics->hdc, rgn);
4700 }
4701
4702 get_font_hfont(graphics, font, &gdifont);
4703 SelectObject(graphics->hdc, gdifont);
4704
4705 if (!format || format->align == StringAlignmentNear)
4706 {
4707 args.drawbase.x = corners[0].x;
4708 args.drawbase.y = corners[0].y;
4709 args.drawflags = DT_NOCLIP | DT_EXPANDTABS;
4710 }
4711 else if (format->align == StringAlignmentCenter)
4712 {
4713 args.drawbase.x = (corners[0].x + corners[1].x)/2;
4714 args.drawbase.y = (corners[0].y + corners[1].y)/2;
4715 args.drawflags = DT_NOCLIP | DT_EXPANDTABS | DT_CENTER;
4716 }
4717 else /* (format->align == StringAlignmentFar) */
4718 {
4719 args.drawbase.x = corners[1].x;
4720 args.drawbase.y = corners[1].y;
4721 args.drawflags = DT_NOCLIP | DT_EXPANDTABS | DT_RIGHT;
4722 }
4723
4724 gdip_format_string(graphics->hdc, string, length, font, &scaled_rect, format,
4725 draw_string_callback, &args);
4726
4727 DeleteObject(rgn);
4728 DeleteObject(gdifont);
4729
4730 RestoreDC(graphics->hdc, save_state);
4731
4732 return Ok;
4733 }
4734
4735 GpStatus WINGDIPAPI GdipResetClip(GpGraphics *graphics)
4736 {
4737 TRACE("(%p)\n", graphics);
4738
4739 if(!graphics)
4740 return InvalidParameter;
4741
4742 if(graphics->busy)
4743 return ObjectBusy;
4744
4745 return GdipSetInfinite(graphics->clip);
4746 }
4747
4748 GpStatus WINGDIPAPI GdipResetWorldTransform(GpGraphics *graphics)
4749 {
4750 TRACE("(%p)\n", graphics);
4751
4752 if(!graphics)
4753 return InvalidParameter;
4754
4755 if(graphics->busy)
4756 return ObjectBusy;
4757
4758 graphics->worldtrans->matrix[0] = 1.0;
4759 graphics->worldtrans->matrix[1] = 0.0;
4760 graphics->worldtrans->matrix[2] = 0.0;
4761 graphics->worldtrans->matrix[3] = 1.0;
4762 graphics->worldtrans->matrix[4] = 0.0;
4763 graphics->worldtrans->matrix[5] = 0.0;
4764
4765 return Ok;
4766 }
4767
4768 GpStatus WINGDIPAPI GdipRestoreGraphics(GpGraphics *graphics, GraphicsState state)
4769 {
4770 return GdipEndContainer(graphics, state);
4771 }
4772
4773 GpStatus WINGDIPAPI GdipRotateWorldTransform(GpGraphics *graphics, REAL angle,
4774 GpMatrixOrder order)
4775 {
4776 TRACE("(%p, %.2f, %d)\n", graphics, angle, order);
4777
4778 if(!graphics)
4779 return InvalidParameter;
4780
4781 if(graphics->busy)
4782 return ObjectBusy;
4783
4784 return GdipRotateMatrix(graphics->worldtrans, angle, order);
4785 }
4786
4787 GpStatus WINGDIPAPI GdipSaveGraphics(GpGraphics *graphics, GraphicsState *state)
4788 {
4789 return GdipBeginContainer2(graphics, state);
4790 }
4791
4792 GpStatus WINGDIPAPI GdipBeginContainer2(GpGraphics *graphics,
4793 GraphicsContainer *state)
4794 {
4795 GraphicsContainerItem *container;
4796 GpStatus sts;
4797
4798 TRACE("(%p, %p)\n", graphics, state);
4799
4800 if(!graphics || !state)
4801 return InvalidParameter;
4802
4803 sts = init_container(&container, graphics);
4804 if(sts != Ok)
4805 return sts;
4806
4807 list_add_head(&graphics->containers, &container->entry);
4808 *state = graphics->contid = container->contid;
4809
4810 return Ok;
4811 }
4812
4813 GpStatus WINGDIPAPI GdipBeginContainer(GpGraphics *graphics, GDIPCONST GpRectF *dstrect, GDIPCONST GpRectF *srcrect, GpUnit unit, GraphicsContainer *state)
4814 {
4815 FIXME("(%p, %p, %p, %d, %p): stub\n", graphics, dstrect, srcrect, unit, state);
4816 return NotImplemented;
4817 }
4818
4819 GpStatus WINGDIPAPI GdipBeginContainerI(GpGraphics *graphics, GDIPCONST GpRect *dstrect, GDIPCONST GpRect *srcrect, GpUnit unit, GraphicsContainer *state)
4820 {
4821 FIXME("(%p, %p, %p, %d, %p): stub\n", graphics, dstrect, srcrect, unit, state);
4822 return NotImplemented;
4823 }
4824
4825 GpStatus WINGDIPAPI GdipComment(GpGraphics *graphics, UINT sizeData, GDIPCONST BYTE *data)
4826 {
4827 FIXME("(%p, %d, %p): stub\n", graphics, sizeData, data);
4828 return NotImplemented;
4829 }
4830
4831 GpStatus WINGDIPAPI GdipEndContainer(GpGraphics *graphics, GraphicsContainer state)
4832 {
4833 GpStatus sts;
4834 GraphicsContainerItem *container, *container2;
4835
4836 TRACE("(%p, %x)\n", graphics, state);
4837
4838 if(!graphics)
4839 return InvalidParameter;
4840
4841 LIST_FOR_EACH_ENTRY(container, &graphics->containers, GraphicsContainerItem, entry){
4842 if(container->contid == state)
4843 break;
4844 }
4845
4846 /* did not find a matching container */
4847 if(&container->entry == &graphics->containers)
4848 return Ok;
4849
4850 sts = restore_container(graphics, container);
4851 if(sts != Ok)
4852 return sts;
4853
4854 /* remove all of the containers on top of the found container */
4855 LIST_FOR_EACH_ENTRY_SAFE(container, container2, &graphics->containers, GraphicsContainerItem, entry){
4856 if(container->contid == state)
4857 break;
4858 list_remove(&container->entry);
4859 delete_container(container);
4860 }
4861
4862 list_remove(&container->entry);
4863 delete_container(container);
4864
4865 return Ok;
4866 }
4867
4868 GpStatus WINGDIPAPI GdipScaleWorldTransform(GpGraphics *graphics, REAL sx,
4869 REAL sy, GpMatrixOrder order)
4870 {
4871 TRACE("(%p, %.2f, %.2f, %d)\n", graphics, sx, sy, order);
4872
4873 if(!graphics)
4874 return InvalidParameter;
4875
4876 if(graphics->busy)
4877 return ObjectBusy;
4878
4879 return GdipScaleMatrix(graphics->worldtrans, sx, sy, order);
4880 }
4881
4882 GpStatus WINGDIPAPI GdipSetClipGraphics(GpGraphics *graphics, GpGraphics *srcgraphics,
4883 CombineMode mode)
4884 {
4885 TRACE("(%p, %p, %d)\n", graphics, srcgraphics, mode);
4886
4887 if(!graphics || !srcgraphics)
4888 return InvalidParameter;
4889
4890 return GdipCombineRegionRegion(graphics->clip, srcgraphics->clip, mode);
4891 }
4892
4893 GpStatus WINGDIPAPI GdipSetCompositingMode(GpGraphics *graphics,
4894 CompositingMode mode)
4895 {
4896 TRACE("(%p, %d)\n", graphics, mode);
4897
4898 if(!graphics)
4899 return InvalidParameter;
4900
4901 if(graphics->busy)
4902 return ObjectBusy;
4903
4904 graphics->compmode = mode;
4905
4906 return Ok;
4907 }
4908
4909 GpStatus WINGDIPAPI GdipSetCompositingQuality(GpGraphics *graphics,
4910 CompositingQuality quality)
4911 {
4912 TRACE("(%p, %d)\n", graphics, quality);
4913
4914 if(!graphics)
4915 return InvalidParameter;
4916
4917 if(graphics->busy)
4918 return ObjectBusy;
4919
4920 graphics->compqual = quality;
4921
4922 return Ok;
4923 }
4924
4925 GpStatus WINGDIPAPI GdipSetInterpolationMode(GpGraphics *graphics,
4926 InterpolationMode mode)
4927 {
4928 TRACE("(%p, %d)\n", graphics, mode);
4929
4930 if(!graphics || mode == InterpolationModeInvalid || mode > InterpolationModeHighQualityBicubic)
4931 return InvalidParameter;
4932
4933 if(graphics->busy)
4934 return ObjectBusy;
4935
4936 if (mode == InterpolationModeDefault || mode == InterpolationModeLowQuality)
4937 mode = InterpolationModeBilinear;
4938
4939 if (mode == InterpolationModeHighQuality)
4940 mode = InterpolationModeHighQualityBicubic;
4941
4942 graphics->interpolation = mode;
4943
4944 return Ok;
4945 }
4946
4947 GpStatus WINGDIPAPI GdipSetPageScale(GpGraphics *graphics, REAL scale)
4948 {
4949 TRACE("(%p, %.2f)\n", graphics, scale);
4950
4951 if(!graphics || (scale <= 0.0))
4952 return InvalidParameter;
4953
4954 if(graphics->busy)
4955 return ObjectBusy;
4956
4957 graphics->scale = scale;
4958
4959 return Ok;
4960 }
4961
4962 GpStatus WINGDIPAPI GdipSetPageUnit(GpGraphics *graphics, GpUnit unit)
4963 {
4964 TRACE("(%p, %d)\n", graphics, unit);
4965
4966 if(!graphics)
4967 return InvalidParameter;
4968
4969 if(graphics->busy)
4970 return ObjectBusy;
4971
4972 if(unit == UnitWorld)
4973 return InvalidParameter;
4974
4975 graphics->unit = unit;
4976
4977 return Ok;
4978 }
4979
4980 GpStatus WINGDIPAPI GdipSetPixelOffsetMode(GpGraphics *graphics, PixelOffsetMode
4981 mode)
4982 {
4983 TRACE("(%p, %d)\n", graphics, mode);
4984
4985 if(!graphics)
4986 return InvalidParameter;
4987
4988 if(graphics->busy)
4989 return ObjectBusy;
4990
4991 graphics->pixeloffset = mode;
4992
4993 return Ok;
4994 }
4995
4996 GpStatus WINGDIPAPI GdipSetRenderingOrigin(GpGraphics *graphics, INT x, INT y)
4997 {
4998 static int calls;
4999
5000 TRACE("(%p,%i,%i)\n", graphics, x, y);
5001
5002 if (!(calls++))
5003 FIXME("not implemented\n");
5004
5005 return NotImplemented;
5006 }
5007
5008 GpStatus WINGDIPAPI GdipGetRenderingOrigin(GpGraphics *graphics, INT *x, INT *y)
5009 {
5010 static int calls;
5011
5012 TRACE("(%p,%p,%p)\n", graphics, x, y);
5013
5014 if (!(calls++))
5015 FIXME("not implemented\n");
5016
5017 *x = *y = 0;
5018
5019 return NotImplemented;
5020 }
5021
5022 GpStatus WINGDIPAPI GdipSetSmoothingMode(GpGraphics *graphics, SmoothingMode mode)
5023 {
5024 TRACE("(%p, %d)\n", graphics, mode);
5025
5026 if(!graphics)
5027 return InvalidParameter;
5028
5029 if(graphics->busy)
5030 return ObjectBusy;
5031
5032 graphics->smoothing = mode;
5033
5034 return Ok;
5035 }
5036
5037 GpStatus WINGDIPAPI GdipSetTextContrast(GpGraphics *graphics, UINT contrast)
5038 {
5039 TRACE("(%p, %d)\n", graphics, contrast);
5040
5041 if(!graphics)
5042 return InvalidParameter;
5043
5044 graphics->textcontrast = contrast;
5045
5046 return Ok;
5047 }
5048
5049 GpStatus WINGDIPAPI GdipSetTextRenderingHint(GpGraphics *graphics,
5050 TextRenderingHint hint)
5051 {
5052 TRACE("(%p, %d)\n", graphics, hint);
5053
5054 if(!graphics || hint > TextRenderingHintClearTypeGridFit)
5055 return InvalidParameter;
5056
5057 if(graphics->busy)
5058 return ObjectBusy;
5059
5060 graphics->texthint = hint;
5061
5062 return Ok;
5063 }
5064
5065 GpStatus WINGDIPAPI GdipSetWorldTransform(GpGraphics *graphics, GpMatrix *matrix)
5066 {
5067 TRACE("(%p, %p)\n", graphics, matrix);
5068
5069 if(!graphics || !matrix)
5070 return InvalidParameter;
5071
5072 if(graphics->busy)
5073 return ObjectBusy;
5074
5075 GdipDeleteMatrix(graphics->worldtrans);
5076 return GdipCloneMatrix(matrix, &graphics->worldtrans);
5077 }
5078
5079 GpStatus WINGDIPAPI GdipTranslateWorldTransform(GpGraphics *graphics, REAL dx,
5080 REAL dy, GpMatrixOrder order)
5081 {
5082 TRACE("(%p, %.2f, %.2f, %d)\n", graphics, dx, dy, order);
5083
5084 if(!graphics)
5085 return InvalidParameter;
5086
5087 if(graphics->busy)
5088 return ObjectBusy;
5089
5090 return GdipTranslateMatrix(graphics->worldtrans, dx, dy, order);
5091 }
5092
5093 /*****************************************************************************
5094 * GdipSetClipHrgn [GDIPLUS.@]
5095 */
5096 GpStatus WINGDIPAPI GdipSetClipHrgn(GpGraphics *graphics, HRGN hrgn, CombineMode mode)
5097 {
5098 GpRegion *region;
5099 GpStatus status;
5100
5101 TRACE("(%p, %p, %d)\n", graphics, hrgn, mode);
5102
5103 if(!graphics)
5104 return InvalidParameter;
5105
5106 status = GdipCreateRegionHrgn(hrgn, &region);
5107 if(status != Ok)
5108 return status;
5109
5110 status = GdipSetClipRegion(graphics, region, mode);
5111
5112 GdipDeleteRegion(region);
5113 return status;
5114 }
5115
5116 GpStatus WINGDIPAPI GdipSetClipPath(GpGraphics *graphics, GpPath *path, CombineMode mode)
5117 {
5118 TRACE("(%p, %p, %d)\n", graphics, path, mode);
5119
5120 if(!graphics)
5121 return InvalidParameter;
5122
5123 if(graphics->busy)
5124 return ObjectBusy;
5125
5126 return GdipCombineRegionPath(graphics->clip, path, mode);
5127 }
5128
5129 GpStatus WINGDIPAPI GdipSetClipRect(GpGraphics *graphics, REAL x, REAL y,
5130 REAL width, REAL height,
5131 CombineMode mode)
5132 {
5133 GpRectF rect;
5134
5135 TRACE("(%p, %.2f, %.2f, %.2f, %.2f, %d)\n", graphics, x, y, width, height, mode);
5136
5137 if(!graphics)
5138 return InvalidParameter;
5139
5140 if(graphics->busy)
5141 return ObjectBusy;
5142
5143 rect.X = x;
5144 rect.Y = y;
5145 rect.Width = width;
5146 rect.Height = height;
5147
5148 return GdipCombineRegionRect(graphics->clip, &rect, mode);
5149 }
5150
5151 GpStatus WINGDIPAPI GdipSetClipRectI(GpGraphics *graphics, INT x, INT y,
5152 INT width, INT height,
5153 CombineMode mode)
5154 {
5155 TRACE("(%p, %d, %d, %d, %d, %d)\n", graphics, x, y, width, height, mode);
5156
5157 if(!graphics)
5158 return InvalidParameter;
5159
5160 if(graphics->busy)
5161 return ObjectBusy;
5162
5163 return GdipSetClipRect(graphics, (REAL)x, (REAL)y, (REAL)width, (REAL)height, mode);
5164 }
5165
5166 GpStatus WINGDIPAPI GdipSetClipRegion(GpGraphics *graphics, GpRegion *region,
5167 CombineMode mode)
5168 {
5169 TRACE("(%p, %p, %d)\n", graphics, region, mode);
5170
5171 if(!graphics || !region)
5172 return InvalidParameter;
5173
5174 if(graphics->busy)
5175 return ObjectBusy;
5176
5177 return GdipCombineRegionRegion(graphics->clip, region, mode);
5178 }
5179
5180 GpStatus WINGDIPAPI GdipSetMetafileDownLevelRasterizationLimit(GpMetafile *metafile,
5181 UINT limitDpi)
5182 {
5183 static int calls;
5184
5185 TRACE("(%p,%u)\n", metafile, limitDpi);
5186
5187 if(!(calls++))
5188 FIXME("not implemented\n");
5189
5190 return NotImplemented;
5191 }
5192
5193 GpStatus WINGDIPAPI GdipDrawPolygon(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPointF *points,
5194 INT count)
5195 {
5196 INT save_state;
5197 POINT *pti;
5198
5199 TRACE("(%p, %p, %d)\n", graphics, points, count);
5200
5201 if(!graphics || !pen || count<=0)
5202 return InvalidParameter;
5203
5204 if(graphics->busy)
5205 return ObjectBusy;
5206
5207 if (!graphics->hdc)
5208 {
5209 FIXME("graphics object has no HDC\n");
5210 return Ok;
5211 }
5212
5213 pti = GdipAlloc(sizeof(POINT) * count);
5214
5215 save_state = prepare_dc(graphics, pen);
5216 SelectObject(graphics->hdc, GetStockObject(NULL_BRUSH));
5217
5218 transform_and_round_points(graphics, pti, (GpPointF*)points, count);
5219 Polygon(graphics->hdc, pti, count);
5220
5221 restore_dc(graphics, save_state);
5222 GdipFree(pti);
5223
5224 return Ok;
5225 }
5226
5227 GpStatus WINGDIPAPI GdipDrawPolygonI(GpGraphics *graphics,GpPen *pen,GDIPCONST GpPoint *points,
5228 INT count)
5229 {
5230 GpStatus ret;
5231 GpPointF *ptf;
5232 INT i;
5233
5234 TRACE("(%p, %p, %p, %d)\n", graphics, pen, points, count);
5235
5236 if(count<=0) return InvalidParameter;
5237 ptf = GdipAlloc(sizeof(GpPointF) * count);
5238
5239 for(i = 0;i < count; i++){
5240 ptf[i].X = (REAL)points[i].X;
5241 ptf[i].Y = (REAL)points[i].Y;
5242 }
5243
5244 ret = GdipDrawPolygon(graphics,pen,ptf,count);
5245 GdipFree(ptf);
5246
5247 return ret;
5248 }
5249
5250 GpStatus WINGDIPAPI GdipGetDpiX(GpGraphics *graphics, REAL* dpi)
5251 {
5252 TRACE("(%p, %p)\n", graphics, dpi);
5253
5254 if(!graphics || !dpi)
5255 return InvalidParameter;
5256
5257 if(graphics->busy)
5258 return ObjectBusy;
5259
5260 if (graphics->image)
5261 *dpi = graphics->image->xres;
5262 else
5263 *dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSX);
5264
5265 return Ok;
5266 }
5267
5268 GpStatus WINGDIPAPI GdipGetDpiY(GpGraphics *graphics, REAL* dpi)
5269 {
5270 TRACE("(%p, %p)\n", graphics, dpi);
5271
5272 if(!graphics || !dpi)
5273 return InvalidParameter;
5274
5275 if(graphics->busy)
5276 return ObjectBusy;
5277
5278 if (graphics->image)
5279 *dpi = graphics->image->yres;
5280 else
5281 *dpi = (REAL)GetDeviceCaps(graphics->hdc, LOGPIXELSY);
5282
5283 return Ok;
5284 }
5285
5286 GpStatus WINGDIPAPI GdipMultiplyWorldTransform(GpGraphics *graphics, GDIPCONST GpMatrix *matrix,
5287 GpMatrixOrder order)
5288 {
5289 GpMatrix m;
5290 GpStatus ret;
5291
5292 TRACE("(%p, %p, %d)\n", graphics, matrix, order);
5293
5294 if(!graphics || !matrix)
5295 return InvalidParameter;
5296
5297 if(graphics->busy)
5298 return ObjectBusy;
5299
5300 m = *(graphics->worldtrans);
5301
5302 ret = GdipMultiplyMatrix(&m, matrix, order);
5303 if(ret == Ok)
5304 *(graphics->worldtrans) = m;
5305
5306 return ret;
5307 }
5308
5309 /* Color used to fill bitmaps so we can tell which parts have been drawn over by gdi32. */
5310 static const COLORREF DC_BACKGROUND_KEY = 0x0c0b0d;
5311
5312 GpStatus WINGDIPAPI GdipGetDC(GpGraphics *graphics, HDC *hdc)
5313 {
5314 TRACE("(%p, %p)\n", graphics, hdc);
5315
5316 if(!graphics || !hdc)
5317 return InvalidParameter;
5318
5319 if(graphics->busy)
5320 return ObjectBusy;
5321
5322 if (!graphics->hdc ||
5323 (graphics->image && graphics->image->type == ImageTypeBitmap && ((GpBitmap*)graphics->image)->format & PixelFormatAlpha))
5324 {
5325 /* Create a fake HDC and fill it with a constant color. */
5326 HDC temp_hdc;
5327 HBITMAP hbitmap;
5328 GpStatus stat;
5329 GpRectF bounds;
5330 BITMAPINFOHEADER bmih;
5331 int i;
5332
5333 stat = get_graphics_bounds(graphics, &bounds);
5334 if (stat != Ok)
5335 return stat;
5336
5337 graphics->temp_hbitmap_width = bounds.Width;
5338 graphics->temp_hbitmap_height = bounds.Height;
5339
5340 bmih.biSize = sizeof(bmih);
5341 bmih.biWidth = graphics->temp_hbitmap_width;
5342 bmih.biHeight = -graphics->temp_hbitmap_height;
5343 bmih.biPlanes = 1;
5344 bmih.biBitCount = 32;
5345 bmih.biCompression = BI_RGB;
5346 bmih.biSizeImage = 0;
5347 bmih.biXPelsPerMeter = 0;
5348 bmih.biYPelsPerMeter = 0;
5349 bmih.biClrUsed = 0;
5350 bmih.biClrImportant = 0;
5351
5352 hbitmap = CreateDIBSection(NULL, (BITMAPINFO*)&bmih, DIB_RGB_COLORS,
5353 (void**)&graphics->temp_bits, NULL, 0);
5354 if (!hbitmap)
5355 return GenericError;
5356
5357 temp_hdc = CreateCompatibleDC(0);
5358 if (!temp_hdc)
5359 {
5360 DeleteObject(hbitmap);
5361 return GenericError;
5362 }
5363
5364 for (i=0; i<(graphics->temp_hbitmap_width * graphics->temp_hbitmap_height); i++)
5365 ((DWORD*)graphics->temp_bits)[i] = DC_BACKGROUND_KEY;
5366
5367 SelectObject(temp_hdc, hbitmap);
5368
5369 graphics->temp_hbitmap = hbitmap;
5370 *hdc = graphics->temp_hdc = temp_hdc;
5371 }
5372 else
5373 {
5374 *hdc = graphics->hdc;
5375 }
5376
5377 graphics->busy = TRUE;
5378
5379 return Ok;
5380 }
5381
5382 GpStatus WINGDIPAPI GdipReleaseDC(GpGraphics *graphics, HDC hdc)
5383 {
5384 TRACE("(%p, %p)\n", graphics, hdc);
5385
5386 if(!graphics || !hdc)
5387 return InvalidParameter;
5388
5389 if((graphics->hdc != hdc && graphics->temp_hdc != hdc) || !(graphics->busy))
5390 return InvalidParameter;
5391
5392 if (graphics->temp_hdc == hdc)
5393 {
5394 DWORD* pos;
5395 int i;
5396
5397 /* Find the pixels that have changed, and mark them as opaque. */
5398 pos = (DWORD*)graphics->temp_bits;
5399 for (i=0; i<(graphics->temp_hbitmap_width * graphics->temp_hbitmap_height); i++)
5400 {
5401 if (*pos != DC_BACKGROUND_KEY)
5402 {
5403 *pos |= 0xff000000;
5404 }
5405 pos++;
5406 }
5407
5408 /* Write the changed pixels to the real target. */
5409 alpha_blend_pixels(graphics, 0, 0, graphics->temp_bits,
5410 graphics->temp_hbitmap_width, graphics->temp_hbitmap_height,
5411 graphics->temp_hbitmap_width * 4);
5412
5413 /* Clean up. */
5414 DeleteDC(graphics->temp_hdc);
5415 DeleteObject(graphics->temp_hbitmap);
5416 graphics->temp_hdc = NULL;
5417 graphics->temp_hbitmap = NULL;
5418 }
5419
5420 graphics->busy = FALSE;
5421
5422 return Ok;
5423 }
5424
5425 GpStatus WINGDIPAPI GdipGetClip(GpGraphics *graphics, GpRegion *region)
5426 {
5427 GpRegion *clip;
5428 GpStatus status;
5429
5430 TRACE("(%p, %p)\n", graphics, region);
5431
5432 if(!graphics || !region)
5433 return InvalidParameter;
5434
5435 if(graphics->busy)
5436 return ObjectBusy;
5437
5438 if((status = GdipCloneRegion(graphics->clip, &clip)) != Ok)
5439 return status;
5440
5441 /* free everything except root node and header */
5442 delete_element(&region->node);
5443 memcpy(region, clip, sizeof(GpRegion));
5444 GdipFree(clip);
5445
5446 return Ok;
5447 }
5448
5449 static GpStatus get_graphics_transform(GpGraphics *graphics, GpCoordinateSpace dst_space,
5450 GpCoordinateSpace src_space, GpMatrix **matrix)
5451 {
5452 GpStatus stat = GdipCreateMatrix(matrix);
5453 REAL unitscale;
5454
5455 if (dst_space != src_space && stat == Ok)
5456 {
5457 unitscale = convert_unit(graphics_res(graphics), graphics->unit);
5458
5459 if(graphics->unit != UnitDisplay)
5460 unitscale *= graphics->scale;
5461
5462 /* transform from src_space to CoordinateSpacePage */
5463 switch (src_space)
5464 {
5465 case CoordinateSpaceWorld:
5466 GdipMultiplyMatrix(*matrix, graphics->worldtrans, MatrixOrderAppend);
5467 break;
5468 case CoordinateSpacePage:
5469 break;
5470 case CoordinateSpaceDevice:
5471 GdipScaleMatrix(*matrix, 1.0/unitscale, 1.0/unitscale, MatrixOrderAppend);
5472 break;
5473 }
5474
5475 /* transform from CoordinateSpacePage to dst_space */
5476 switch (dst_space)
5477 {
5478 case CoordinateSpaceWorld:
5479 {
5480 GpMatrix *inverted_transform;
5481 stat = GdipCloneMatrix(graphics->worldtrans, &inverted_transform);
5482 if (stat == Ok)
5483 {
5484 stat = GdipInvertMatrix(inverted_transform);
5485 if (stat == Ok)
5486 GdipMultiplyMatrix(*matrix, inverted_transform, MatrixOrderAppend);
5487 GdipDeleteMatrix(inverted_transform);
5488 }
5489 break;
5490 }
5491 case CoordinateSpacePage:
5492 break;
5493 case CoordinateSpaceDevice:
5494 GdipScaleMatrix(*matrix, unitscale, unitscale, MatrixOrderAppend);
5495 break;
5496 }
5497 }
5498 return stat;
5499 }
5500
5501 GpStatus WINGDIPAPI GdipTransformPoints(GpGraphics *graphics, GpCoordinateSpace dst_space,
5502 GpCoordinateSpace src_space, GpPointF *points, INT count)
5503 {
5504 GpMatrix *matrix;
5505 GpStatus stat;
5506
5507 if(!graphics || !points || count <= 0)
5508 return InvalidParameter;
5509
5510 if(graphics->busy)
5511 return ObjectBusy;
5512
5513 TRACE("(%p, %d, %d, %p, %d)\n", graphics, dst_space, src_space, points, count);
5514
5515 if (src_space == dst_space) return Ok;
5516
5517 stat = get_graphics_transform(graphics, dst_space, src_space, &matrix);
5518
5519 if (stat == Ok)
5520 {
5521 stat = GdipTransformMatrixPoints(matrix, points, count);
5522
5523 GdipDeleteMatrix(matrix);
5524 }
5525
5526 return stat;
5527 }
5528
5529 GpStatus WINGDIPAPI GdipTransformPointsI(GpGraphics *graphics, GpCoordinateSpace dst_space,
5530 GpCoordinateSpace src_space, GpPoint *points, INT count)
5531 {
5532 GpPointF *pointsF;
5533 GpStatus ret;
5534 INT i;
5535
5536 TRACE("(%p, %d, %d, %p, %d)\n", graphics, dst_space, src_space, points, count);
5537
5538 if(count <= 0)
5539 return InvalidParameter;
5540
5541 pointsF = GdipAlloc(sizeof(GpPointF) * count);
5542 if(!pointsF)
5543 return OutOfMemory;
5544
5545 for(i = 0; i < count; i++){
5546 pointsF[i].X = (REAL)points[i].X;
5547 pointsF[i].Y = (REAL)points[i].Y;
5548 }
5549
5550 ret = GdipTransformPoints(graphics, dst_space, src_space, pointsF, count);
5551
5552 if(ret == Ok)
5553 for(i = 0; i < count; i++){
5554 points[i].X = roundr(pointsF[i].X);
5555 points[i].Y = roundr(pointsF[i].Y);
5556 }
5557 GdipFree(pointsF);
5558
5559 return ret;
5560 }
5561
5562 HPALETTE WINGDIPAPI GdipCreateHalftonePalette(void)
5563 {
5564 static int calls;
5565
5566 TRACE("\n");
5567
5568 if (!calls++)
5569 FIXME("stub\n");
5570
5571 return NULL;
5572 }
5573
5574 /*****************************************************************************
5575 * GdipTranslateClip [GDIPLUS.@]
5576 */
5577 GpStatus WINGDIPAPI GdipTranslateClip(GpGraphics *graphics, REAL dx, REAL dy)
5578 {
5579 TRACE("(%p, %.2f, %.2f)\n", graphics, dx, dy);
5580
5581 if(!graphics)
5582 return InvalidParameter;
5583
5584 if(graphics->busy)
5585 return ObjectBusy;
5586
5587 return GdipTranslateRegion(graphics->clip, dx, dy);
5588 }
5589
5590 /*****************************************************************************
5591 * GdipTranslateClipI [GDIPLUS.@]
5592 */
5593 GpStatus WINGDIPAPI GdipTranslateClipI(GpGraphics *graphics, INT dx, INT dy)
5594 {
5595 TRACE("(%p, %d, %d)\n", graphics, dx, dy);
5596
5597 if(!graphics)
5598 return InvalidParameter;
5599
5600 if(graphics->busy)
5601 return ObjectBusy;
5602
5603 return GdipTranslateRegion(graphics->clip, (REAL)dx, (REAL)dy);
5604 }
5605
5606
5607 /*****************************************************************************
5608 * GdipMeasureDriverString [GDIPLUS.@]
5609 */
5610 GpStatus WINGDIPAPI GdipMeasureDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
5611 GDIPCONST GpFont *font, GDIPCONST PointF *positions,
5612 INT flags, GDIPCONST GpMatrix *matrix, RectF *boundingBox)
5613 {
5614 FIXME("(%p %p %d %p %p %d %p %p): stub\n", graphics, text, length, font, positions, flags, matrix, boundingBox);
5615 return NotImplemented;
5616 }
5617
5618 static GpStatus GDI32_GdipDrawDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
5619 GDIPCONST GpFont *font, GDIPCONST GpBrush *brush,
5620 GDIPCONST PointF *positions, INT flags,
5621 GDIPCONST GpMatrix *matrix )
5622 {
5623 static const INT unsupported_flags = ~(DriverStringOptionsRealizedAdvance);
5624 INT save_state;
5625 GpPointF pt;
5626 HFONT hfont;
5627
5628 if (flags & unsupported_flags)
5629 FIXME("Ignoring flags %x\n", flags & unsupported_flags);
5630
5631 if (matrix)
5632 FIXME("Ignoring matrix\n");
5633
5634 save_state = SaveDC(graphics->hdc);
5635 SetBkMode(graphics->hdc, TRANSPARENT);
5636 SetTextColor(graphics->hdc, brush->lb.lbColor);
5637
5638 pt = positions[0];
5639 GdipTransformPoints(graphics, CoordinateSpaceDevice, CoordinateSpaceWorld, &pt, 1);
5640
5641 get_font_hfont(graphics, font, &hfont);
5642 SelectObject(graphics->hdc, hfont);
5643
5644 SetTextAlign(graphics->hdc, TA_BASELINE|TA_LEFT);
5645
5646 ExtTextOutW(graphics->hdc, roundr(pt.X), roundr(pt.Y), ETO_GLYPH_INDEX, NULL, text, length, NULL);
5647
5648 RestoreDC(graphics->hdc, save_state);
5649
5650 DeleteObject(hfont);
5651
5652 return Ok;
5653 }
5654
5655 static GpStatus SOFTWARE_GdipDrawDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
5656 GDIPCONST GpFont *font, GDIPCONST GpBrush *brush,
5657 GDIPCONST PointF *positions, INT flags,
5658 GDIPCONST GpMatrix *matrix )
5659 {
5660 static const INT unsupported_flags = ~(DriverStringOptionsCmapLookup);
5661 GpStatus stat;
5662 PointF *real_positions;
5663 POINT *pti;
5664 HFONT hfont;
5665 HDC hdc;
5666 int min_x=INT_MAX, min_y=INT_MAX, max_x=INT_MIN, max_y=INT_MIN, i, x, y;
5667 DWORD max_glyphsize=0;
5668 GLYPHMETRICS glyphmetrics;
5669 static const MAT2 identity = {{0,1}, {0,0}, {0,0}, {0,1}};
5670 BYTE *glyph_mask;
5671 BYTE *text_mask;
5672 int text_mask_stride;
5673 BYTE *pixel_data;
5674 int pixel_data_stride;
5675 GpRect pixel_area;
5676 UINT ggo_flags = GGO_GRAY8_BITMAP;
5677
5678 if (length <= 0)
5679 return Ok;
5680
5681 if (flags & DriverStringOptionsRealizedAdvance)
5682 {
5683 FIXME("Not implemented for DriverStringOptionsRealizedAdvance\n");
5684 return NotImplemented;
5685 }
5686
5687 if (!(flags & DriverStringOptionsCmapLookup))
5688 ggo_flags |= GGO_GLYPH_INDEX;
5689
5690 if (flags & unsupported_flags)
5691 FIXME("Ignoring flags %x\n", flags & unsupported_flags);
5692
5693 if (matrix)
5694 FIXME("Ignoring matrix\n");
5695
5696 real_positions = GdipAlloc(sizeof(PointF) * length);
5697 if (!real_positions)
5698 return OutOfMemory;
5699
5700 pti = GdipAlloc(sizeof(POINT) * length);
5701 if (!pti)
5702 {
5703 GdipFree(real_positions);
5704 return OutOfMemory;
5705 }
5706
5707 memcpy(real_positions, positions, sizeof(PointF) * length);
5708
5709 transform_and_round_points(graphics, pti, real_positions, length);
5710
5711 GdipFree(real_positions);
5712
5713 get_font_hfont(graphics, font, &hfont);
5714
5715 hdc = CreateCompatibleDC(0);
5716 SelectObject(hdc, hfont);
5717
5718 /* Get the boundaries of the text to be drawn */
5719 for (i=0; i<length; i++)
5720 {
5721 DWORD glyphsize;
5722 int left, top, right, bottom;
5723
5724 glyphsize = GetGlyphOutlineW(hdc, text[i], ggo_flags,
5725 &glyphmetrics, 0, NULL, &identity);
5726
5727 if (glyphsize == GDI_ERROR)
5728 {
5729 ERR("GetGlyphOutlineW failed\n");
5730 GdipFree(pti);
5731 DeleteDC(hdc);
5732 DeleteObject(hfont);
5733 return GenericError;
5734 }
5735
5736 if (glyphsize > max_glyphsize)
5737 max_glyphsize = glyphsize;
5738
5739 left = pti[i].x - glyphmetrics.gmptGlyphOrigin.x;
5740 top = pti[i].y - glyphmetrics.gmptGlyphOrigin.y;
5741 right = pti[i].x - glyphmetrics.gmptGlyphOrigin.x + glyphmetrics.gmBlackBoxX;
5742 bottom = pti[i].y - glyphmetrics.gmptGlyphOrigin.y + glyphmetrics.gmBlackBoxY;
5743
5744 if (left < min_x) min_x = left;
5745 if (top < min_y) min_y = top;
5746 if (right > max_x) max_x = right;
5747 if (bottom > max_y) max_y = bottom;
5748 }
5749
5750 glyph_mask = GdipAlloc(max_glyphsize);
5751 text_mask = GdipAlloc((max_x - min_x) * (max_y - min_y));
5752 text_mask_stride = max_x - min_x;
5753
5754 if (!(glyph_mask && text_mask))
5755 {
5756 GdipFree(glyph_mask);
5757 GdipFree(text_mask);
5758 GdipFree(pti);
5759 DeleteDC(hdc);
5760 DeleteObject(hfont);
5761 return OutOfMemory;
5762 }
5763
5764 /* Generate a mask for the text */
5765 for (i=0; i<length; i++)
5766 {
5767 int left, top, stride;
5768
5769 GetGlyphOutlineW(hdc, text[i], ggo_flags,
5770 &glyphmetrics, max_glyphsize, glyph_mask, &identity);
5771
5772 left = pti[i].x - glyphmetrics.gmptGlyphOrigin.x;
5773 top = pti[i].y - glyphmetrics.gmptGlyphOrigin.y;
5774 stride = (glyphmetrics.gmBlackBoxX + 3) & (~3);
5775
5776 for (y=0; y<glyphmetrics.gmBlackBoxY; y++)
5777 {
5778 BYTE *glyph_val = glyph_mask + y * stride;
5779 BYTE *text_val = text_mask + (left - min_x) + (top - min_y + y) * text_mask_stride;
5780 for (x=0; x<glyphmetrics.gmBlackBoxX; x++)
5781 {
5782 *text_val = min(64, *text_val + *glyph_val);
5783 glyph_val++;
5784 text_val++;
5785 }
5786 }
5787 }
5788
5789 GdipFree(pti);
5790 DeleteDC(hdc);
5791 DeleteObject(hfont);
5792 GdipFree(glyph_mask);
5793
5794 /* get the brush data */
5795 pixel_data = GdipAlloc(4 * (max_x - min_x) * (max_y - min_y));
5796 if (!pixel_data)
5797 {
5798 GdipFree(text_mask);
5799 return OutOfMemory;
5800 }
5801
5802 pixel_area.X = min_x;
5803 pixel_area.Y = min_y;
5804 pixel_area.Width = max_x - min_x;
5805 pixel_area.Height = max_y - min_y;
5806 pixel_data_stride = pixel_area.Width * 4;
5807
5808 stat = brush_fill_pixels(graphics, (GpBrush*)brush, (DWORD*)pixel_data, &pixel_area, pixel_area.Width);
5809 if (stat != Ok)
5810 {
5811 GdipFree(text_mask);
5812 GdipFree(pixel_data);
5813 return stat;
5814 }
5815
5816 /* multiply the brush data by the mask */
5817 for (y=0; y<pixel_area.Height; y++)
5818 {
5819 BYTE *text_val = text_mask + text_mask_stride * y;
5820 BYTE *pixel_val = pixel_data + pixel_data_stride * y + 3;
5821 for (x=0; x<pixel_area.Width; x++)
5822 {
5823 *pixel_val = (*pixel_val) * (*text_val) / 64;
5824 text_val++;
5825 pixel_val+=4;
5826 }
5827 }
5828
5829 GdipFree(text_mask);
5830
5831 /* draw the result */
5832 stat = alpha_blend_pixels(graphics, min_x, min_y, pixel_data, pixel_area.Width,
5833 pixel_area.Height, pixel_data_stride);
5834
5835 GdipFree(pixel_data);
5836
5837 return stat;
5838 }
5839
5840 /*****************************************************************************
5841 * GdipDrawDriverString [GDIPLUS.@]
5842 */
5843 GpStatus WINGDIPAPI GdipDrawDriverString(GpGraphics *graphics, GDIPCONST UINT16 *text, INT length,
5844 GDIPCONST GpFont *font, GDIPCONST GpBrush *brush,
5845 GDIPCONST PointF *positions, INT flags,
5846 GDIPCONST GpMatrix *matrix )
5847 {
5848 GpStatus stat=NotImplemented;
5849
5850 TRACE("(%p %s %p %p %p %d %p)\n", graphics, debugstr_wn(text, length), font, brush, positions, flags, matrix);
5851
5852 if (!graphics || !text || !font || !brush || !positions)
5853 return InvalidParameter;
5854
5855 if (length == -1)
5856 length = strlenW(text);
5857
5858 if (graphics->hdc &&
5859 ((flags & DriverStringOptionsRealizedAdvance) || length <= 1) &&
5860 brush->bt == BrushTypeSolidColor &&
5861 (((GpSolidFill*)brush)->color & 0xff000000) == 0xff000000)
5862 stat = GDI32_GdipDrawDriverString(graphics, text, length, font, brush,
5863 positions, flags, matrix);
5864
5865 if (stat == NotImplemented)
5866 stat = SOFTWARE_GdipDrawDriverString(graphics, text, length, font, brush,
5867 positions, flags, matrix);
5868
5869 return stat;
5870 }
5871
5872 GpStatus WINGDIPAPI GdipRecordMetafile(HDC hdc, EmfType type, GDIPCONST GpRectF *frameRect,
5873 MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc, GpMetafile **metafile)
5874 {
5875 FIXME("(%p %d %p %d %p %p): stub\n", hdc, type, frameRect, frameUnit, desc, metafile);
5876 return NotImplemented;
5877 }
5878
5879 /*****************************************************************************
5880 * GdipRecordMetafileI [GDIPLUS.@]
5881 */
5882 GpStatus WINGDIPAPI GdipRecordMetafileI(HDC hdc, EmfType type, GDIPCONST GpRect *frameRect,
5883 MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc, GpMetafile **metafile)
5884 {
5885 FIXME("(%p %d %p %d %p %p): stub\n", hdc, type, frameRect, frameUnit, desc, metafile);
5886 return NotImplemented;
5887 }
5888
5889 GpStatus WINGDIPAPI GdipRecordMetafileStream(IStream *stream, HDC hdc, EmfType type, GDIPCONST GpRect *frameRect,
5890 MetafileFrameUnit frameUnit, GDIPCONST WCHAR *desc, GpMetafile **metafile)
5891 {
5892 FIXME("(%p %p %d %p %d %p %p): stub\n", stream, hdc, type, frameRect, frameUnit, desc, metafile);
5893 return NotImplemented;
5894 }
5895
5896 /*****************************************************************************
5897 * GdipIsVisibleClipEmpty [GDIPLUS.@]
5898 */
5899 GpStatus WINGDIPAPI GdipIsVisibleClipEmpty(GpGraphics *graphics, BOOL *res)
5900 {
5901 GpStatus stat;
5902 GpRegion* rgn;
5903
5904 TRACE("(%p, %p)\n", graphics, res);
5905
5906 if((stat = GdipCreateRegion(&rgn)) != Ok)
5907 return stat;
5908
5909 if((stat = get_visible_clip_region(graphics, rgn)) != Ok)
5910 goto cleanup;
5911
5912 stat = GdipIsEmptyRegion(rgn, graphics, res);
5913
5914 cleanup:
5915 GdipDeleteRegion(rgn);
5916 return stat;
5917 }
5918
5919 GpStatus WINGDIPAPI GdipGetHemfFromMetafile(GpMetafile *metafile, HENHMETAFILE *hEmf)
5920 {
5921 FIXME("(%p,%p): stub\n", metafile, hEmf);
5922
5923 if (!metafile || !hEmf)
5924 return InvalidParameter;
5925
5926 *hEmf = NULL;
5927
5928 return NotImplemented;
5929 }
Maarten's multimedia branch