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gdi32: Simplify dibdrv_GetImage by merging the stand-alone and selected bitmap cases.
[wine.git] / dlls / gdi32 / dibdrv / dc.c
blob6ffb5540d018969c89eec014ac467dcca9bc1b7c
1 /*
2 * DIB driver initialization and DC functions.
3 *
4 * Copyright 2011 Huw Davies
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21 #include <assert.h>
22
23 #include "gdi_private.h"
24 #include "dibdrv.h"
25
26 #include "wine/debug.h"
27
28 WINE_DEFAULT_DEBUG_CHANNEL(dib);
29
30 static const DWORD bit_fields_888[3] = {0xff0000, 0x00ff00, 0x0000ff};
31 static const DWORD bit_fields_555[3] = {0x7c00, 0x03e0, 0x001f};
32
33 static void calc_shift_and_len(DWORD mask, int *shift, int *len)
34 {
35 int s, l;
36
37 if(!mask)
38 {
39 *shift = *len = 0;
40 return;
41 }
42
43 s = 0;
44 while ((mask & 1) == 0)
45 {
46 mask >>= 1;
47 s++;
48 }
49 l = 0;
50 while ((mask & 1) == 1)
51 {
52 mask >>= 1;
53 l++;
54 }
55 *shift = s;
56 *len = l;
57 }
58
59 static void init_bit_fields(dib_info *dib, const DWORD *bit_fields)
60 {
61 dib->red_mask = bit_fields[0];
62 dib->green_mask = bit_fields[1];
63 dib->blue_mask = bit_fields[2];
64 calc_shift_and_len(dib->red_mask, &dib->red_shift, &dib->red_len);
65 calc_shift_and_len(dib->green_mask, &dib->green_shift, &dib->green_len);
66 calc_shift_and_len(dib->blue_mask, &dib->blue_shift, &dib->blue_len);
67 }
68
69 static BOOL init_dib_info(dib_info *dib, const BITMAPINFOHEADER *bi, const DWORD *bit_fields,
70 RGBQUAD *color_table, int color_table_size, void *bits, enum dib_info_flags flags)
71 {
72 dib->bit_count = bi->biBitCount;
73 dib->width = bi->biWidth;
74 dib->height = bi->biHeight;
75 dib->stride = get_dib_stride( dib->width, dib->bit_count );
76 dib->bits = bits;
77 dib->ptr_to_free = NULL;
78 dib->flags = flags;
79
80 if(dib->height < 0) /* top-down */
81 {
82 dib->height = -dib->height;
83 }
84 else /* bottom-up */
85 {
86 /* bits always points to the top-left corner and the stride is -ve */
87 dib->bits = (BYTE*)dib->bits + (dib->height - 1) * dib->stride;
88 dib->stride = -dib->stride;
89 }
90
91 dib->funcs = &funcs_null;
92
93 switch(dib->bit_count)
94 {
95 case 32:
96 if(bi->biCompression == BI_RGB)
97 bit_fields = bit_fields_888;
98
99 init_bit_fields(dib, bit_fields);
100
101 if(dib->red_mask == 0xff0000 && dib->green_mask == 0x00ff00 && dib->blue_mask == 0x0000ff)
102 dib->funcs = &funcs_8888;
103 else
104 dib->funcs = &funcs_32;
105 break;
106
107 case 24:
108 dib->funcs = &funcs_24;
109 break;
110
111 case 16:
112 if(bi->biCompression == BI_RGB)
113 bit_fields = bit_fields_555;
114
115 init_bit_fields(dib, bit_fields);
116
117 if(dib->red_mask == 0x7c00 && dib->green_mask == 0x03e0 && dib->blue_mask == 0x001f)
118 dib->funcs = &funcs_555;
119 else
120 dib->funcs = &funcs_16;
121 break;
122
123 case 8:
124 dib->funcs = &funcs_8;
125 break;
126
127 case 4:
128 dib->funcs = &funcs_4;
129 break;
130
131 case 1:
132 dib->funcs = &funcs_1;
133 break;
134
135 default:
136 TRACE("bpp %d not supported, will forward to graphics driver.\n", dib->bit_count);
137 return FALSE;
138 }
139
140 if(color_table)
141 {
142 if (flags & private_color_table)
143 {
144 dib->color_table = HeapAlloc(GetProcessHeap(), 0, color_table_size * sizeof(dib->color_table[0]));
145 if(!dib->color_table) return FALSE;
146 memcpy(dib->color_table, color_table, color_table_size * sizeof(color_table[0]));
147 }
148 else
149 dib->color_table = color_table;
150 dib->color_table_size = color_table_size;
151 }
152 else
153 {
154 dib->color_table = NULL;
155 dib->color_table_size = 0;
156 }
157
158 return TRUE;
159 }
160
161 BOOL init_dib_info_from_packed(dib_info *dib, const BITMAPINFOHEADER *bi, WORD usage, HPALETTE palette)
162 {
163 DWORD *masks = NULL;
164 RGBQUAD *color_table = NULL, pal_table[256];
165 BYTE *ptr = (BYTE*)bi + bi->biSize;
166 int num_colors = get_dib_num_of_colors( (const BITMAPINFO *)bi );
167
168 if(bi->biCompression == BI_BITFIELDS)
169 {
170 masks = (DWORD *)ptr;
171 ptr += 3 * sizeof(DWORD);
172 }
173
174 if(num_colors)
175 {
176 if(usage == DIB_PAL_COLORS)
177 {
178 PALETTEENTRY entries[256];
179 const WORD *index = (const WORD*) ptr;
180 UINT i, count = GetPaletteEntries( palette, 0, num_colors, entries );
181 for (i = 0; i < num_colors; i++, index++)
182 {
183 PALETTEENTRY *entry = &entries[*index % count];
184 pal_table[i].rgbRed = entry->peRed;
185 pal_table[i].rgbGreen = entry->peGreen;
186 pal_table[i].rgbBlue = entry->peBlue;
187 pal_table[i].rgbReserved = 0;
188 }
189 color_table = pal_table;
190 ptr += num_colors * sizeof(WORD);
191 }
192 else
193 {
194 color_table = (RGBQUAD*)ptr;
195 ptr += num_colors * sizeof(*color_table);
196 }
197 }
198
199 return init_dib_info(dib, bi, masks, color_table, num_colors, ptr, private_color_table);
200 }
201
202 BOOL init_dib_info_from_bitmapinfo(dib_info *dib, const BITMAPINFO *info, void *bits, enum dib_info_flags flags)
203 {
204 unsigned int colors = get_dib_num_of_colors( info );
205 void *colorptr = (char *)&info->bmiHeader + info->bmiHeader.biSize;
206 const DWORD *bitfields = (info->bmiHeader.biCompression == BI_BITFIELDS) ? (DWORD *)colorptr : NULL;
207
208 return init_dib_info( dib, &info->bmiHeader, bitfields, colors ? colorptr : NULL, colors, bits, flags );
209 }
210
211 static void clear_dib_info(dib_info *dib)
212 {
213 dib->color_table = NULL;
214 dib->bits = NULL;
215 dib->ptr_to_free = NULL;
216 }
217
218 /**********************************************************************
219 * free_dib_info
220 *
221 * Free the resources associated with a dib and optionally the bits
222 */
223 void free_dib_info(dib_info *dib)
224 {
225 if (dib->flags & private_color_table)
226 HeapFree(GetProcessHeap(), 0, dib->color_table);
227 dib->color_table = NULL;
228
229 HeapFree(GetProcessHeap(), 0, dib->ptr_to_free);
230 dib->ptr_to_free = NULL;
231 dib->bits = NULL;
232 }
233
234 void copy_dib_color_info(dib_info *dst, const dib_info *src)
235 {
236 dst->bit_count = src->bit_count;
237 dst->red_mask = src->red_mask;
238 dst->green_mask = src->green_mask;
239 dst->blue_mask = src->blue_mask;
240 dst->red_len = src->red_len;
241 dst->green_len = src->green_len;
242 dst->blue_len = src->blue_len;
243 dst->red_shift = src->red_shift;
244 dst->green_shift = src->green_shift;
245 dst->blue_shift = src->blue_shift;
246 dst->funcs = src->funcs;
247 dst->color_table_size = src->color_table_size;
248 dst->color_table = NULL;
249 dst->flags = src->flags;
250 if(dst->color_table_size)
251 {
252 int size = dst->color_table_size * sizeof(dst->color_table[0]);
253 if (dst->flags & private_color_table)
254 {
255 dst->color_table = HeapAlloc(GetProcessHeap(), 0, size);
256 memcpy(dst->color_table, src->color_table, size);
257 }
258 else
259 dst->color_table = src->color_table;
260 }
261 }
262
263 DWORD convert_bitmapinfo( const BITMAPINFO *src_info, void *src_bits, struct bitblt_coords *src,
264 const BITMAPINFO *dst_info, void *dst_bits )
265 {
266 dib_info src_dib, dst_dib;
267 DWORD ret;
268
269 if ( !init_dib_info_from_bitmapinfo( &src_dib, src_info, src_bits, 0 ) )
270 return ERROR_BAD_FORMAT;
271 if ( !init_dib_info_from_bitmapinfo( &dst_dib, dst_info, dst_bits, 0 ) )
272 return ERROR_BAD_FORMAT;
273
274 ret = dst_dib.funcs->convert_to( &dst_dib, &src_dib, &src->visrect );
275
276 /* We shared the color tables, so there's no need to free the dib_infos here */
277 if(!ret) return ERROR_BAD_FORMAT;
278
279 /* update coordinates, the destination rectangle is always stored at 0,0 */
280 src->x -= src->visrect.left;
281 src->y -= src->visrect.top;
282 offset_rect( &src->visrect, -src->visrect.left, -src->visrect.top );
283 return ERROR_SUCCESS;
284 }
285
286 static void update_fg_colors( dibdrv_physdev *pdev )
287 {
288 pdev->pen_color = get_fg_color( pdev, pdev->pen_colorref );
289 pdev->brush_color = get_fg_color( pdev, pdev->brush_colorref );
290 }
291
292 static void update_masks( dibdrv_physdev *pdev, INT rop )
293 {
294 calc_and_xor_masks( rop, pdev->pen_color, &pdev->pen_and, &pdev->pen_xor );
295 update_brush_rop( pdev, rop );
296 if( GetBkMode( pdev->dev.hdc ) == OPAQUE )
297 calc_and_xor_masks( rop, pdev->bkgnd_color, &pdev->bkgnd_and, &pdev->bkgnd_xor );
298 }
299
300 /***********************************************************************
301 * add_extra_clipping_region
302 *
303 * Temporarily add a region to the current clipping region.
304 * The returned region must be restored with restore_clipping_region.
305 */
306 static HRGN add_extra_clipping_region( dibdrv_physdev *pdev, HRGN rgn )
307 {
308 HRGN ret, clip;
309
310 if (!(clip = CreateRectRgn( 0, 0, 0, 0 ))) return 0;
311 CombineRgn( clip, pdev->clip, rgn, RGN_AND );
312 ret = pdev->clip;
313 pdev->clip = clip;
314 return ret;
315 }
316
317 /***********************************************************************
318 * restore_clipping_region
319 */
320 static void restore_clipping_region( dibdrv_physdev *pdev, HRGN rgn )
321 {
322 if (!rgn) return;
323 DeleteObject( pdev->clip );
324 pdev->clip = rgn;
325 }
326
327 /***********************************************************************
328 * dibdrv_DeleteDC
329 */
330 static BOOL dibdrv_DeleteDC( PHYSDEV dev )
331 {
332 dibdrv_physdev *pdev = get_dibdrv_pdev(dev);
333 TRACE("(%p)\n", dev);
334 DeleteObject(pdev->clip);
335 free_pattern_brush(pdev);
336 free_dib_info(&pdev->dib);
337 return 0;
338 }
339
340 static void set_color_info( const dib_info *dib, BITMAPINFO *info )
341 {
342 DWORD *masks = (DWORD *)info->bmiColors;
343
344 info->bmiHeader.biCompression = BI_RGB;
345 info->bmiHeader.biClrUsed = 0;
346
347 switch (info->bmiHeader.biBitCount)
348 {
349 case 1:
350 case 4:
351 case 8:
352 if (dib->color_table)
353 {
354 info->bmiHeader.biClrUsed = min( dib->color_table_size, 1 << dib->bit_count );
355 memcpy( info->bmiColors, dib->color_table,
356 info->bmiHeader.biClrUsed * sizeof(RGBQUAD) );
357 }
358 break;
359 case 16:
360 masks[0] = dib->red_mask;
361 masks[1] = dib->green_mask;
362 masks[2] = dib->blue_mask;
363 info->bmiHeader.biCompression = BI_BITFIELDS;
364 break;
365 case 32:
366 if (dib->funcs != &funcs_8888)
367 {
368 masks[0] = dib->red_mask;
369 masks[1] = dib->green_mask;
370 masks[2] = dib->blue_mask;
371 info->bmiHeader.biCompression = BI_BITFIELDS;
372 }
373 break;
374 }
375 }
376
377 /***********************************************************************
378 * dibdrv_GetImage
379 */
380 static DWORD dibdrv_GetImage( PHYSDEV dev, HBITMAP hbitmap, BITMAPINFO *info,
381 struct gdi_image_bits *bits, struct bitblt_coords *src )
382 {
383 DWORD ret = ERROR_SUCCESS;
384 dib_info *dib, stand_alone;
385
386 TRACE( "%p %p %p\n", dev, hbitmap, info );
387
388 info->bmiHeader.biSize = sizeof(info->bmiHeader);
389 info->bmiHeader.biPlanes = 1;
390 info->bmiHeader.biCompression = BI_RGB;
391 info->bmiHeader.biXPelsPerMeter = 0;
392 info->bmiHeader.biYPelsPerMeter = 0;
393 info->bmiHeader.biClrUsed = 0;
394 info->bmiHeader.biClrImportant = 0;
395
396 if (hbitmap)
397 {
398 BITMAPOBJ *bmp = GDI_GetObjPtr( hbitmap, OBJ_BITMAP );
399
400 if (!bmp) return ERROR_INVALID_HANDLE;
401 assert(bmp->dib);
402
403 if (!init_dib_info( &stand_alone, &bmp->dib->dsBmih, bmp->dib->dsBitfields,
404 bmp->color_table, bmp->nb_colors, bmp->dib->dsBm.bmBits, 0 ))
405 {
406 ret = ERROR_BAD_FORMAT;
407 goto done;
408 }
409 dib = &stand_alone;
410 }
411 else
412 {
413 dibdrv_physdev *pdev = get_dibdrv_pdev(dev);
414 dib = &pdev->dib;
415 }
416
417 info->bmiHeader.biWidth = dib->width;
418 info->bmiHeader.biHeight = dib->stride > 0 ? -dib->height : dib->height;
419 info->bmiHeader.biBitCount = dib->bit_count;
420 info->bmiHeader.biSizeImage = dib->height * abs( dib->stride );
421
422 set_color_info( dib, info );
423
424 if (bits)
425 {
426 bits->ptr = dib->bits;
427 if (dib->stride < 0)
428 bits->ptr = (char *)bits->ptr + (dib->height - 1) * dib->stride;
429 bits->is_copy = FALSE;
430 bits->free = NULL;
431 }
432
433 done:
434 if (hbitmap) GDI_ReleaseObj( hbitmap );
435 return ret;
436 }
437
438 static BOOL matching_color_info( const dib_info *dib, const BITMAPINFO *info )
439 {
440 switch (info->bmiHeader.biBitCount)
441 {
442 case 1:
443 case 4:
444 case 8:
445 {
446 RGBQUAD *color_table = (RGBQUAD *)((char *)info + info->bmiHeader.biSize);
447 if (dib->color_table_size != info->bmiHeader.biClrUsed ) return FALSE;
448 return memcmp( color_table, dib->color_table, dib->color_table_size * sizeof(RGBQUAD) );
449 }
450
451 case 16:
452 {
453 DWORD *masks = (DWORD *)info->bmiColors;
454 if (info->bmiHeader.biCompression == BI_RGB) return dib->funcs == &funcs_555;
455 if (info->bmiHeader.biCompression == BI_BITFIELDS)
456 return masks[0] == dib->red_mask && masks[1] == dib->green_mask && masks[2] == dib->blue_mask;
457 break;
458 }
459
460 case 24:
461 return TRUE;
462
463 case 32:
464 {
465 DWORD *masks = (DWORD *)info->bmiColors;
466 if (info->bmiHeader.biCompression == BI_RGB) return dib->funcs == &funcs_8888;
467 if (info->bmiHeader.biCompression == BI_BITFIELDS)
468 return masks[0] == dib->red_mask && masks[1] == dib->green_mask && masks[2] == dib->blue_mask;
469 break;
470 }
471
472 }
473
474 return FALSE;
475 }
476
477 static inline BOOL rop_uses_pat(DWORD rop)
478 {
479 return ((rop >> 4) & 0x0f0000) != (rop & 0x0f0000);
480 }
481
482 /***********************************************************************
483 * dibdrv_PutImage
484 */
485 static DWORD dibdrv_PutImage( PHYSDEV dev, HBITMAP hbitmap, HRGN clip, BITMAPINFO *info,
486 const struct gdi_image_bits *bits, struct bitblt_coords *src,
487 struct bitblt_coords *dst, DWORD rop )
488 {
489 dib_info *dib, stand_alone;
490 DWORD ret;
491 POINT origin;
492 dib_info src_dib;
493 HRGN total_clip, saved_clip = NULL;
494 dibdrv_physdev *pdev = NULL;
495 const WINEREGION *clip_data;
496 int i, rop2;
497
498 TRACE( "%p %p %p\n", dev, hbitmap, info );
499
500 if (!hbitmap && rop_uses_pat( rop ))
501 {
502 PHYSDEV next = GET_NEXT_PHYSDEV( dev, pPutImage );
503 FIXME( "rop %08x unsupported, forwarding to graphics driver\n", rop );
504 return next->funcs->pPutImage( next, 0, clip, info, bits, src, dst, rop );
505 }
506
507 if (hbitmap)
508 {
509 BITMAPOBJ *bmp = GDI_GetObjPtr( hbitmap, OBJ_BITMAP );
510
511 if (!bmp) return ERROR_INVALID_HANDLE;
512 assert(bmp->dib);
513
514 if (!init_dib_info( &stand_alone, &bmp->dib->dsBmih, bmp->dib->dsBitfields,
515 bmp->color_table, bmp->nb_colors, bmp->dib->dsBm.bmBits, 0 ))
516 {
517 ret = ERROR_BAD_FORMAT;
518 goto done;
519 }
520 dib = &stand_alone;
521 }
522 else
523 {
524 pdev = get_dibdrv_pdev( dev );
525 dib = &pdev->dib;
526 }
527
528 if (info->bmiHeader.biPlanes != 1) goto update_format;
529 if (info->bmiHeader.biBitCount != dib->bit_count) goto update_format;
530 if (!matching_color_info( dib, info )) goto update_format;
531 if (!bits)
532 {
533 ret = ERROR_SUCCESS;
534 goto done;
535 }
536 if ((src->width != dst->width) || (src->height != dst->height))
537 {
538 ret = ERROR_TRANSFORM_NOT_SUPPORTED;
539 goto done;
540 }
541
542 init_dib_info_from_bitmapinfo( &src_dib, info, bits->ptr, 0 );
543
544 origin.x = src->visrect.left;
545 origin.y = src->visrect.top;
546
547 if (hbitmap)
548 {
549 total_clip = clip;
550 rop2 = R2_COPYPEN;
551 }
552 else
553 {
554 if (clip) saved_clip = add_extra_clipping_region( pdev, clip );
555 total_clip = pdev->clip;
556 rop2 = ((rop >> 16) & 0xf) + 1;
557 }
558
559 if (total_clip == NULL) dib->funcs->copy_rect( dib, &dst->visrect, &src_dib, &origin, rop2 );
560 else
561 {
562 clip_data = get_wine_region( total_clip );
563 for (i = 0; i < clip_data->numRects; i++)
564 {
565 RECT clipped_rect;
566
567 if (intersect_rect( &clipped_rect, &dst->visrect, clip_data->rects + i ))
568 {
569 origin.x = src->visrect.left + clipped_rect.left - dst->visrect.left;
570 origin.y = src->visrect.top + clipped_rect.top - dst->visrect.top;
571 dib->funcs->copy_rect( dib, &clipped_rect, &src_dib, &origin, rop2 );
572 }
573 }
574 release_wine_region( total_clip );
575 }
576 ret = ERROR_SUCCESS;
577
578 if (saved_clip) restore_clipping_region( pdev, saved_clip );
579
580 goto done;
581
582 update_format:
583 info->bmiHeader.biPlanes = 1;
584 info->bmiHeader.biBitCount = dib->bit_count;
585 set_color_info( dib, info );
586 ret = ERROR_BAD_FORMAT;
587
588 done:
589 if (hbitmap) GDI_ReleaseObj( hbitmap );
590
591 return ret;
592 }
593
594 /***********************************************************************
595 * dibdrv_SelectBitmap
596 */
597 static HBITMAP dibdrv_SelectBitmap( PHYSDEV dev, HBITMAP bitmap )
598 {
599 PHYSDEV next = GET_NEXT_PHYSDEV( dev, pSelectBitmap );
600 dibdrv_physdev *pdev = get_dibdrv_pdev(dev);
601 BITMAPOBJ *bmp = GDI_GetObjPtr( bitmap, OBJ_BITMAP );
602 TRACE("(%p, %p)\n", dev, bitmap);
603
604 if (!bmp) return 0;
605 assert(bmp->dib);
606
607 pdev->clip = CreateRectRgn(0, 0, 0, 0);
608 pdev->defer = 0;
609
610 clear_dib_info(&pdev->dib);
611 clear_dib_info(&pdev->brush_dib);
612 pdev->brush_and_bits = pdev->brush_xor_bits = NULL;
613
614 if(!init_dib_info(&pdev->dib, &bmp->dib->dsBmih, bmp->dib->dsBitfields,
615 bmp->color_table, bmp->nb_colors, bmp->dib->dsBm.bmBits, private_color_table))
616 pdev->defer |= DEFER_FORMAT;
617
618 GDI_ReleaseObj( bitmap );
619
620 return next->funcs->pSelectBitmap( next, bitmap );
621 }
622
623 /***********************************************************************
624 * dibdrv_SetBkColor
625 */
626 static COLORREF dibdrv_SetBkColor( PHYSDEV dev, COLORREF color )
627 {
628 PHYSDEV next = GET_NEXT_PHYSDEV( dev, pSetBkColor );
629 dibdrv_physdev *pdev = get_dibdrv_pdev(dev);
630
631 pdev->bkgnd_color = pdev->dib.funcs->colorref_to_pixel( &pdev->dib, color );
632
633 if( GetBkMode(dev->hdc) == OPAQUE )
634 calc_and_xor_masks( GetROP2(dev->hdc), pdev->bkgnd_color, &pdev->bkgnd_and, &pdev->bkgnd_xor );
635 else
636 {
637 pdev->bkgnd_and = ~0u;
638 pdev->bkgnd_xor = 0;
639 }
640
641 update_fg_colors( pdev ); /* Only needed in the 1 bpp case */
642
643 return next->funcs->pSetBkColor( next, color );
644 }
645
646 /***********************************************************************
647 * dibdrv_SetBkMode
648 */
649 static INT dibdrv_SetBkMode( PHYSDEV dev, INT mode )
650 {
651 PHYSDEV next = GET_NEXT_PHYSDEV( dev, pSetBkMode );
652 dibdrv_physdev *pdev = get_dibdrv_pdev(dev);
653
654 if( mode == OPAQUE )
655 calc_and_xor_masks( GetROP2(dev->hdc), pdev->bkgnd_color, &pdev->bkgnd_and, &pdev->bkgnd_xor );
656 else
657 {
658 pdev->bkgnd_and = ~0u;
659 pdev->bkgnd_xor = 0;
660 }
661
662 return next->funcs->pSetBkMode( next, mode );
663 }
664
665 /***********************************************************************
666 * dibdrv_SetDeviceClipping
667 */
668 static void dibdrv_SetDeviceClipping( PHYSDEV dev, HRGN vis_rgn, HRGN clip_rgn )
669 {
670 PHYSDEV next = GET_NEXT_PHYSDEV( dev, pSetDeviceClipping );
671 dibdrv_physdev *pdev = get_dibdrv_pdev(dev);
672 TRACE("(%p, %p, %p)\n", dev, vis_rgn, clip_rgn);
673
674 CombineRgn( pdev->clip, vis_rgn, clip_rgn, clip_rgn ? RGN_AND : RGN_COPY );
675 return next->funcs->pSetDeviceClipping( next, vis_rgn, clip_rgn);
676 }
677
678 /***********************************************************************
679 * dibdrv_SetDIBColorTable
680 */
681 static UINT dibdrv_SetDIBColorTable( PHYSDEV dev, UINT pos, UINT count, const RGBQUAD *colors )
682 {
683 PHYSDEV next = GET_NEXT_PHYSDEV( dev, pSetDIBColorTable );
684 dibdrv_physdev *pdev = get_dibdrv_pdev(dev);
685 TRACE("(%p, %d, %d, %p)\n", dev, pos, count, colors);
686
687 if( pdev->dib.color_table && pos < pdev->dib.color_table_size )
688 {
689 if( pos + count > pdev->dib.color_table_size ) count = pdev->dib.color_table_size - pos;
690 memcpy( pdev->dib.color_table + pos, colors, count * sizeof(RGBQUAD) );
691
692 pdev->bkgnd_color = pdev->dib.funcs->colorref_to_pixel( &pdev->dib, GetBkColor( dev->hdc ) );
693 update_fg_colors( pdev );
694
695 update_masks( pdev, GetROP2( dev->hdc ) );
696 }
697 return next->funcs->pSetDIBColorTable( next, pos, count, colors );
698 }
699
700 /***********************************************************************
701 * dibdrv_SetROP2
702 */
703 static INT dibdrv_SetROP2( PHYSDEV dev, INT rop )
704 {
705 PHYSDEV next = GET_NEXT_PHYSDEV( dev, pSetROP2 );
706 dibdrv_physdev *pdev = get_dibdrv_pdev(dev);
707
708 update_masks( pdev, rop );
709
710 return next->funcs->pSetROP2( next, rop );
711 }
712
713 const DC_FUNCTIONS dib_driver =
714 {
715 NULL, /* pAbortDoc */
716 NULL, /* pAbortPath */
717 NULL, /* pAlphaBlend */
718 NULL, /* pAngleArc */
719 NULL, /* pArc */
720 NULL, /* pArcTo */
721 NULL, /* pBeginPath */
722 NULL, /* pChoosePixelFormat */
723 NULL, /* pChord */
724 NULL, /* pCloseFigure */
725 NULL, /* pCreateBitmap */
726 NULL, /* pCreateDC */
727 NULL, /* pCreateDIBSection */
728 NULL, /* pDeleteBitmap */
729 dibdrv_DeleteDC, /* pDeleteDC */
730 NULL, /* pDeleteObject */
731 NULL, /* pDescribePixelFormat */
732 NULL, /* pDeviceCapabilities */
733 NULL, /* pEllipse */
734 NULL, /* pEndDoc */
735 NULL, /* pEndPage */
736 NULL, /* pEndPath */
737 NULL, /* pEnumDeviceFonts */
738 NULL, /* pEnumICMProfiles */
739 NULL, /* pExcludeClipRect */
740 NULL, /* pExtDeviceMode */
741 NULL, /* pExtEscape */
742 NULL, /* pExtFloodFill */
743 NULL, /* pExtSelectClipRgn */
744 NULL, /* pExtTextOut */
745 NULL, /* pFillPath */
746 NULL, /* pFillRgn */
747 NULL, /* pFlattenPath */
748 NULL, /* pFrameRgn */
749 NULL, /* pGdiComment */
750 NULL, /* pGetCharWidth */
751 NULL, /* pGetDeviceCaps */
752 NULL, /* pGetDeviceGammaRamp */
753 NULL, /* pGetICMProfile */
754 dibdrv_GetImage, /* pGetImage */
755 NULL, /* pGetNearestColor */
756 NULL, /* pGetPixel */
757 NULL, /* pGetPixelFormat */
758 NULL, /* pGetSystemPaletteEntries */
759 NULL, /* pGetTextExtentExPoint */
760 NULL, /* pGetTextMetrics */
761 NULL, /* pIntersectClipRect */
762 NULL, /* pInvertRgn */
763 dibdrv_LineTo, /* pLineTo */
764 NULL, /* pModifyWorldTransform */
765 NULL, /* pMoveTo */
766 NULL, /* pOffsetClipRgn */
767 NULL, /* pOffsetViewportOrg */
768 NULL, /* pOffsetWindowOrg */
769 dibdrv_PaintRgn, /* pPaintRgn */
770 dibdrv_PatBlt, /* pPatBlt */
771 NULL, /* pPie */
772 NULL, /* pPolyBezier */
773 NULL, /* pPolyBezierTo */
774 NULL, /* pPolyDraw */
775 NULL, /* pPolyPolygon */
776 NULL, /* pPolyPolyline */
777 NULL, /* pPolygon */
778 NULL, /* pPolyline */
779 NULL, /* pPolylineTo */
780 dibdrv_PutImage, /* pPutImage */
781 NULL, /* pRealizeDefaultPalette */
782 NULL, /* pRealizePalette */
783 dibdrv_Rectangle, /* pRectangle */
784 NULL, /* pResetDC */
785 NULL, /* pRestoreDC */
786 NULL, /* pRoundRect */
787 NULL, /* pSaveDC */
788 NULL, /* pScaleViewportExt */
789 NULL, /* pScaleWindowExt */
790 dibdrv_SelectBitmap, /* pSelectBitmap */
791 dibdrv_SelectBrush, /* pSelectBrush */
792 NULL, /* pSelectClipPath */
793 NULL, /* pSelectFont */
794 NULL, /* pSelectPalette */
795 dibdrv_SelectPen, /* pSelectPen */
796 NULL, /* pSetArcDirection */
797 dibdrv_SetBkColor, /* pSetBkColor */
798 dibdrv_SetBkMode, /* pSetBkMode */
799 dibdrv_SetDCBrushColor, /* pSetDCBrushColor */
800 dibdrv_SetDCPenColor, /* pSetDCPenColor */
801 dibdrv_SetDIBColorTable, /* pSetDIBColorTable */
802 NULL, /* pSetDIBitsToDevice */
803 dibdrv_SetDeviceClipping, /* pSetDeviceClipping */
804 NULL, /* pSetDeviceGammaRamp */
805 NULL, /* pSetLayout */
806 NULL, /* pSetMapMode */
807 NULL, /* pSetMapperFlags */
808 NULL, /* pSetPixel */
809 NULL, /* pSetPixelFormat */
810 NULL, /* pSetPolyFillMode */
811 dibdrv_SetROP2, /* pSetROP2 */
812 NULL, /* pSetRelAbs */
813 NULL, /* pSetStretchBltMode */
814 NULL, /* pSetTextAlign */
815 NULL, /* pSetTextCharacterExtra */
816 NULL, /* pSetTextColor */
817 NULL, /* pSetTextJustification */
818 NULL, /* pSetViewportExt */
819 NULL, /* pSetViewportOrg */
820 NULL, /* pSetWindowExt */
821 NULL, /* pSetWindowOrg */
822 NULL, /* pSetWorldTransform */
823 NULL, /* pStartDoc */
824 NULL, /* pStartPage */
825 NULL, /* pStretchBlt */
826 NULL, /* pStretchDIBits */
827 NULL, /* pStrokeAndFillPath */
828 NULL, /* pStrokePath */
829 NULL, /* pSwapBuffers */
830 NULL, /* pUnrealizePalette */
831 NULL, /* pWidenPath */
832 NULL, /* pwglCopyContext */
833 NULL, /* pwglCreateContext */
834 NULL, /* pwglCreateContextAttribsARB */
835 NULL, /* pwglDeleteContext */
836 NULL, /* pwglGetPbufferDCARB */
837 NULL, /* pwglGetProcAddress */
838 NULL, /* pwglMakeContextCurrentARB */
839 NULL, /* pwglMakeCurrent */
840 NULL, /* pwglSetPixelFormatWINE */
841 NULL, /* pwglShareLists */
842 NULL, /* pwglUseFontBitmapsA */
843 NULL /* pwglUseFontBitmapsW */
844 };
Windows API implementation