git.oblomov.eu Git - wine/blob - dlls/gdi32/dibdrv/dc.c

   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 != get_dib_num_of_colors( info )) 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 };