objects/bitmap.c

   1 /*
   2  * GDI bitmap objects
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  *           1998 Huw D M Davies
   6  */
   7
   8 #include <stdlib.h>
   9 #include <string.h>
  10 #include "gdi.h"
  11 #include "dc.h"
  12 #include "bitmap.h"
  13 #include "heap.h"
  14 #include "global.h"
  15 #include "sysmetrics.h"
  16 #include "cursoricon.h"
  17 #include "color.h"
  18 #include "debug.h"
  19
  20
  21 /***********************************************************************
  22  *           BITMAP_GetBitsPadding
  23  *
  24  * Return number of bytes to pad a scanline of 16-bit aligned Windows DDB data.
  25  */
  26 INT32 BITMAP_GetBitsPadding( int bmWidth, int bpp )
  27 {
  28     INT32 pad;
  29
  30     switch (bpp)
  31     {
  32     case 1:
  33         if (!(bmWidth & 15)) pad = 0;
  34         else pad = ((16 - (bmWidth & 15)) + 7) / 8;
  35         break;
  36
  37     case 8:
  38         pad = (2 - (bmWidth & 1)) & 1;
  39         break;
  40
  41     case 24:
  42         pad = (bmWidth*3) & 1;
  43         break;
  44
  45     case 32:
  46     case 16:
  47     case 15:
  48         pad = 0; /* we have 16bit alignment already */
  49         break;
  50
  51     case 4:
  52         if (!(bmWidth & 3)) pad = 0;
  53         else pad = ((4 - (bmWidth & 3)) + 1) / 2;
  54         break;
  55
  56     default:
  57         WARN(bitmap,"Unknown depth %d, please report.\n", bpp );
  58         return -1;
  59     }
  60     return pad;
  61 }
  62
  63 /***********************************************************************
  64  *           BITMAP_GetBitsWidth
  65  *
  66  * Return number of bytes taken by a scanline of 16-bit aligned Windows DDB data.
  67  */
  68 INT32 BITMAP_GetBitsWidth( int bmWidth, int bpp )
  69 {
  70     switch(bpp)
  71     {
  72     case 1:
  73         return 2 * ((bmWidth+15) >> 4);
  74
  75     case 24:
  76         bmWidth *= 3; /* fall through */
  77     case 8:
  78         return bmWidth + (bmWidth & 1);
  79
  80     case 32:
  81         return bmWidth * 4;
  82
  83     case 16:
  84     case 15:
  85         return bmWidth * 2;
  86
  87     case 4:
  88         return 2 * ((bmWidth+3) >> 2);
  89
  90     default:
  91         WARN(bitmap,"Unknown depth %d, please report.\n", bpp );
  92     }
  93     return -1;
  94 }
  95
  96 /***********************************************************************
  97  *           CreateUserBitmap16    (GDI.407)
  98  */
  99 HBITMAP16 WINAPI CreateUserBitmap16( INT16 width, INT16 height, UINT16 planes,
 100                                      UINT16 bpp, LPCVOID bits )
 101 {
 102     return CreateBitmap16( width, height, planes, bpp, bits );
 103 }
 104
 105 /***********************************************************************
 106  *           CreateUserDiscardableBitmap16    (GDI.409)
 107  */
 108 HBITMAP16 WINAPI CreateUserDiscardableBitmap16( WORD dummy,
 109                                                 INT16 width, INT16 height )
 110 {
 111     return CreateUserBitmap16( width, height, 1, screenDepth, NULL );
 112 }
 113
 114
 115 /***********************************************************************
 116  *           CreateBitmap16    (GDI.48)
 117  */
 118 HBITMAP16 WINAPI CreateBitmap16( INT16 width, INT16 height, UINT16 planes,
 119                                  UINT16 bpp, LPCVOID bits )
 120 {
 121     return CreateBitmap32( width, height, planes, bpp, bits );
 122 }
 123
 124
 125 /******************************************************************************
 126  * CreateBitmap32 [GDI32.25]  Creates a bitmap with the specified info
 127  *
 128  * PARAMS
 129  *    width  [I] bitmap width
 130  *    height [I] bitmap height
 131  *    planes [I] Number of color planes
 132  *    bpp    [I] Number of bits to identify a color
 133  *    bits   [I] Pointer to array containing color data
 134  *
 135  * RETURNS
 136  *    Success: Handle to bitmap
 137  *    Failure: 0
 138  */
 139 HBITMAP32 WINAPI CreateBitmap32( INT32 width, INT32 height, UINT32 planes,
 140                                  UINT32 bpp, LPCVOID bits )
 141 {
 142     BITMAPOBJ *bmp;
 143     HBITMAP32 hbitmap;
 144
 145     planes = (BYTE)planes;
 146     bpp    = (BYTE)bpp;
 147
 148
 149       /* Check parameters */
 150     if (!height || !width) return 0;
 151     if (planes != 1) {
 152         FIXME(bitmap, "planes = %d\n", planes);
 153         return 0;
 154     }
 155     if (height < 0) height = -height;
 156     if (width < 0) width = -width;
 157
 158       /* Create the BITMAPOBJ */
 159     hbitmap = GDI_AllocObject( sizeof(BITMAPOBJ), BITMAP_MAGIC );
 160     if (!hbitmap) return 0;
 161
 162     TRACE(bitmap, "%dx%d, %d colors returning %08x\n", width, height,
 163           1 << (planes*bpp), hbitmap);
 164
 165     bmp = (BITMAPOBJ *) GDI_HEAP_LOCK( hbitmap );
 166
 167     bmp->size.cx = 0;
 168     bmp->size.cy = 0;
 169     bmp->bitmap.bmType = 0;
 170     bmp->bitmap.bmWidth = (INT16)width;
 171     bmp->bitmap.bmHeight = (INT16)height;
 172     bmp->bitmap.bmPlanes = (BYTE)planes;
 173     bmp->bitmap.bmBitsPixel = (BYTE)bpp;
 174     bmp->bitmap.bmWidthBytes = (INT16)BITMAP_WIDTH_BYTES( width, bpp );
 175     bmp->bitmap.bmBits = NULL;
 176
 177     bmp->DDBitmap = NULL;
 178     bmp->dib = NULL;
 179
 180     if (bits) /* Set bitmap bits */
 181         SetBitmapBits32( hbitmap, height * bmp->bitmap.bmWidthBytes,
 182                          bits );
 183     GDI_HEAP_UNLOCK( hbitmap );
 184     return hbitmap;
 185 }
 186
 187
 188 /***********************************************************************
 189  *           CreateCompatibleBitmap16    (GDI.51)
 190  */
 191 HBITMAP16 WINAPI CreateCompatibleBitmap16(HDC16 hdc, INT16 width, INT16 height)
 192 {
 193     return CreateCompatibleBitmap32( hdc, width, height );
 194 }
 195
 196
 197 /******************************************************************************
 198  * CreateCompatibleBitmap32 [GDI32.30]  Creates a bitmap compatible with the DC
 199  *
 200  * PARAMS
 201  *    hdc    [I] Handle to device context
 202  *    width  [I] Width of bitmap
 203  *    height [I] Height of bitmap
 204  *
 205  * RETURNS
 206  *    Success: Handle to bitmap
 207  *    Failure: 0
 208  */
 209 HBITMAP32 WINAPI CreateCompatibleBitmap32( HDC32 hdc, INT32 width, INT32 height)
 210 {
 211     HBITMAP32 hbmpRet = 0;
 212     DC *dc;
 213
 214     TRACE(bitmap, "(%04x,%d,%d) = \n", hdc, width, height );
 215     if (!(dc = DC_GetDCPtr( hdc ))) return 0;
 216     if ((width >0x1000) || (height > 0x1000)) {
 217         FIXME(bitmap,"got bad width %d or height %d, please look for reason\n",
 218               width, height );
 219         return 0;
 220     }
 221     hbmpRet = CreateBitmap32( width, height, 1, dc->w.bitsPerPixel, NULL );
 222
 223     if(dc->funcs->pCreateBitmap)
 224         dc->funcs->pCreateBitmap( hbmpRet );
 225
 226     TRACE(bitmap,"\t\t%04x\n", hbmpRet);
 227     return hbmpRet;
 228 }
 229
 230
 231 /***********************************************************************
 232  *           CreateBitmapIndirect16    (GDI.49)
 233  */
 234 HBITMAP16 WINAPI CreateBitmapIndirect16( const BITMAP16 * bmp )
 235 {
 236     return CreateBitmap16( bmp->bmWidth, bmp->bmHeight, bmp->bmPlanes,
 237                            bmp->bmBitsPixel, PTR_SEG_TO_LIN( bmp->bmBits ) );
 238 }
 239
 240
 241 /******************************************************************************
 242  * CreateBitmapIndirect32 [GDI32.26]  Creates a bitmap with the specifies info
 243  *
 244  * RETURNS
 245  *    Success: Handle to bitmap
 246  *    Failure: NULL
 247  */
 248 HBITMAP32 WINAPI CreateBitmapIndirect32(
 249     const BITMAP32 * bmp) /* [in] Pointer to the bitmap data */
 250 {
 251     return CreateBitmap32( bmp->bmWidth, bmp->bmHeight, bmp->bmPlanes,
 252                            bmp->bmBitsPixel, bmp->bmBits );
 253 }
 254
 255
 256 /***********************************************************************
 257  *           GetBitmapBits16    (GDI.74)
 258  */
 259 LONG WINAPI GetBitmapBits16( HBITMAP16 hbitmap, LONG count, LPVOID buffer )
 260 {
 261     return GetBitmapBits32( hbitmap, count, buffer );
 262 }
 263
 264
 265 /***********************************************************************
 266  * GetBitmapBits32 [GDI32.143]  Copies bitmap bits of bitmap to buffer
 267  *
 268  * RETURNS
 269  *    Success: Number of bytes copied
 270  *    Failure: 0
 271  */
 272 LONG WINAPI GetBitmapBits32(
 273     HBITMAP32 hbitmap, /* [in]  Handle to bitmap */
 274     LONG count,        /* [in]  Number of bytes to copy */
 275     LPVOID bits)       /* [out] Pointer to buffer to receive bits */
 276 {
 277     BITMAPOBJ *bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC );
 278     LONG height, ret;
 279
 280     if (!bmp) return 0;
 281
 282     if (count < 0) {
 283         WARN(bitmap, "(%ld): Negative number of bytes passed???\n", count );
 284         count = -count;
 285     }
 286
 287     /* Only get entire lines */
 288     height = count / bmp->bitmap.bmWidthBytes;
 289     if (height > bmp->bitmap.bmHeight) height = bmp->bitmap.bmHeight;
 290     count = height * bmp->bitmap.bmWidthBytes;
 291
 292     TRACE(bitmap, "(%08x, %ld, %p) %dx%d %d colors fetched height: %ld\n",
 293             hbitmap, count, bits, bmp->bitmap.bmWidth, bmp->bitmap.bmHeight,
 294             1 << bmp->bitmap.bmBitsPixel, height );
 295
 296     if(bmp->DDBitmap) {
 297
 298         TRACE(bitmap, "Calling device specific BitmapBits\n");
 299         if(bmp->DDBitmap->funcs->pBitmapBits)
 300             ret = bmp->DDBitmap->funcs->pBitmapBits(hbitmap, bits, count,
 301                                                     DDB_GET);
 302         else {
 303             ERR(bitmap, "BitmapBits == NULL??\n");
 304             ret = 0;
 305         }
 306
 307     } else {
 308
 309         if(!bmp->bitmap.bmBits) {
 310             WARN(bitmap, "Bitmap is empty\n");
 311             ret = 0;
 312         } else {
 313             memcpy(bits, bmp->bitmap.bmBits, count);
 314             ret = count;
 315         }
 316
 317     }
 318
 319     GDI_HEAP_UNLOCK( hbitmap );
 320     return ret;
 321 }
 322
 323
 324 /***********************************************************************
 325  *           SetBitmapBits16    (GDI.106)
 326  */
 327 LONG WINAPI SetBitmapBits16( HBITMAP16 hbitmap, LONG count, LPCVOID buffer )
 328 {
 329     return SetBitmapBits32( hbitmap, count, buffer );
 330 }
 331
 332
 333 /******************************************************************************
 334  * SetBitmapBits32 [GDI32.303]  Sets bits of color data for a bitmap
 335  *
 336  * RETURNS
 337  *    Success: Number of bytes used in setting the bitmap bits
 338  *    Failure: 0
 339  */
 340 LONG WINAPI SetBitmapBits32(
 341     HBITMAP32 hbitmap, /* [in] Handle to bitmap */
 342     LONG count,        /* [in] Number of bytes in bitmap array */
 343     LPCVOID bits)      /* [in] Address of array with bitmap bits */
 344 {
 345     BITMAPOBJ *bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC );
 346     LONG height, ret;
 347
 348     if (!bmp) return 0;
 349
 350     if (count < 0) {
 351         WARN(bitmap, "(%ld): Negative number of bytes passed???\n", count );
 352         count = -count;
 353     }
 354
 355     /* Only get entire lines */
 356     height = count / bmp->bitmap.bmWidthBytes;
 357     if (height > bmp->bitmap.bmHeight) height = bmp->bitmap.bmHeight;
 358     count = height * bmp->bitmap.bmWidthBytes;
 359
 360     TRACE(bitmap, "(%08x, %ld, %p) %dx%d %d colors fetched height: %ld\n",
 361             hbitmap, count, bits, bmp->bitmap.bmWidth, bmp->bitmap.bmHeight,
 362             1 << bmp->bitmap.bmBitsPixel, height );
 363
 364     if(bmp->DDBitmap) {
 365
 366         TRACE(bitmap, "Calling device specific BitmapBits\n");
 367         if(bmp->DDBitmap->funcs->pBitmapBits)
 368             ret = bmp->DDBitmap->funcs->pBitmapBits(hbitmap, (void *) bits,
 369                                                     count, DDB_SET);
 370         else {
 371             ERR(bitmap, "BitmapBits == NULL??\n");
 372             ret = 0;
 373         }
 374
 375     } else {
 376
 377         if(!bmp->bitmap.bmBits) /* Alloc enough for entire bitmap */
 378             bmp->bitmap.bmBits = HeapAlloc( GetProcessHeap(), 0, count );
 379         if(!bmp->bitmap.bmBits) {
 380             WARN(bitmap, "Unable to allocate bit buffer\n");
 381             ret = 0;
 382         } else {
 383             memcpy(bmp->bitmap.bmBits, bits, count);
 384             ret = count;
 385         }
 386     }
 387
 388     GDI_HEAP_UNLOCK( hbitmap );
 389     return ret;
 390 }
 391
 392 /***********************************************************************
 393  * LoadImage16 [USER.389]
 394  *
 395  */
 396 HANDLE16 WINAPI LoadImage16( HINSTANCE16 hinst, LPCSTR name, UINT16 type,
 397                              INT16 desiredx, INT16 desiredy, UINT16 loadflags)
 398 {
 399         if (HIWORD(name)) {
 400             TRACE(resource,"(0x%04x,%s,%d,%d,%d,0x%08x)\n",
 401                 hinst,(char *)PTR_SEG_TO_LIN(name),type,desiredx,desiredy,loadflags);
 402         } else {
 403             TRACE(resource,"LoadImage16(0x%04x,%p,%d,%d,%d,0x%08x)\n",
 404                 hinst,name,type,desiredx,desiredy,loadflags);
 405         }
 406         switch (type) {
 407         case IMAGE_BITMAP:
 408                 return LoadBitmap16(hinst,(SEGPTR)name);
 409         case IMAGE_ICON:
 410                 return LoadIcon16(hinst,(SEGPTR)name);
 411         case IMAGE_CURSOR:
 412                 return LoadCursor16(hinst,(SEGPTR)name);
 413         }
 414         return 0;
 415
 416 }
 417
 418 /**********************************************************************
 419  *          LoadImage32A    (USER32.365)
 420  *
 421  * FIXME: implementation lacks some features, see LR_ defines in windows.h
 422  */
 423
 424 HANDLE32 WINAPI LoadImage32A( HINSTANCE32 hinst, LPCSTR name, UINT32 type,
 425                               INT32 desiredx, INT32 desiredy, UINT32 loadflags)
 426 {
 427     HANDLE32 res;
 428     LPWSTR u_name;
 429
 430     if (HIWORD(name)) u_name = HEAP_strdupAtoW(GetProcessHeap(), 0, name);
 431     else u_name=(LPWSTR)name;
 432     res = LoadImage32W(hinst, u_name, type, desiredx, desiredy, loadflags);
 433     if (HIWORD(name)) HeapFree(GetProcessHeap(), 0, u_name);
 434     return res;
 435 }
 436
 437
 438 /******************************************************************************
 439  * LoadImage32W [USER32.366]  Loads an icon, cursor, or bitmap
 440  *
 441  * PARAMS
 442  *    hinst     [I] Handle of instance that contains image
 443  *    name      [I] Name of image
 444  *    type      [I] Type of image
 445  *    desiredx  [I] Desired width
 446  *    desiredy  [I] Desired height
 447  *    loadflags [I] Load flags
 448  *
 449  * RETURNS
 450  *    Success: Handle to newly loaded image
 451  *    Failure: NULL
 452  *
 453  * FIXME: Implementation lacks some features, see LR_ defines in windows.h
 454  */
 455 HANDLE32 WINAPI LoadImage32W( HINSTANCE32 hinst, LPCWSTR name, UINT32 type,
 456                 INT32 desiredx, INT32 desiredy, UINT32 loadflags )
 457 {
 458         if (HIWORD(name)) {
 459                 TRACE(resource,"(0x%04x,%p,%d,%d,%d,0x%08x)\n",
 460                         hinst,name,type,desiredx,desiredy,loadflags
 461                 );
 462         } else {
 463                 TRACE(resource,"(0x%04x,%p,%d,%d,%d,0x%08x)\n",
 464                         hinst,name,type,desiredx,desiredy,loadflags
 465                 );
 466         }
 467     if (loadflags & LR_DEFAULTSIZE)
 468       if (type == IMAGE_ICON) {
 469         if (!desiredx) desiredx = SYSMETRICS_CXICON;
 470         if (!desiredy) desiredy = SYSMETRICS_CYICON;
 471       } else if (type == IMAGE_CURSOR) {
 472         if (!desiredx) desiredx = SYSMETRICS_CXCURSOR;
 473         if (!desiredy) desiredy = SYSMETRICS_CYCURSOR;
 474       }
 475     if (loadflags & LR_LOADFROMFILE) loadflags &= ~LR_SHARED;
 476     switch (type) {
 477         case IMAGE_BITMAP:
 478             return BITMAP_LoadBitmap32W(hinst, name, loadflags);
 479         case IMAGE_ICON:
 480             return CURSORICON_Load32(hinst, name, desiredx, desiredy,
 481               MIN(16, COLOR_GetSystemPaletteSize()), FALSE, loadflags);
 482         case IMAGE_CURSOR:
 483             return CURSORICON_Load32(hinst, name, desiredx, desiredy, 1, TRUE,
 484               loadflags);
 485     }
 486     return 0;
 487 }
 488
 489
 490 /**********************************************************************
 491  *              BITMAP_CopyBitmap
 492  *
 493  */
 494 HBITMAP32 BITMAP_CopyBitmap(HBITMAP32 hbitmap)
 495 {
 496     BITMAPOBJ *bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC );
 497     HBITMAP32 res = 0;
 498     BITMAP32 bm;
 499
 500     if(!bmp) return 0;
 501
 502     bm = bmp->bitmap;
 503     bm.bmBits = NULL;
 504     res = CreateBitmapIndirect32(&bm);
 505
 506     if(res) {
 507         char *buf = HeapAlloc( GetProcessHeap(), 0, bm.bmWidthBytes *
 508                                bm.bmHeight );
 509         GetBitmapBits32 (hbitmap, bm.bmWidthBytes * bm.bmHeight, buf);
 510         SetBitmapBits32 (res, bm.bmWidthBytes * bm.bmHeight, buf);
 511         HeapFree( GetProcessHeap(), 0, buf );
 512     }
 513
 514     GDI_HEAP_UNLOCK( hbitmap );
 515     return res;
 516 }
 517
 518
 519 /******************************************************************************
 520  * CopyImage32 [USER32.61]  Creates new image and copies attributes to it
 521  *
 522  * PARAMS
 523  *    hnd      [I] Handle to image to copy
 524  *    type     [I] Type of image to copy
 525  *    desiredx [I] Desired width of new image
 526  *    desiredy [I] Desired height of new image
 527  *    flags    [I] Copy flags
 528  *
 529  * RETURNS
 530  *    Success: Handle to newly created image
 531  *    Failure: NULL
 532  *
 533  * FIXME: implementation still lacks nearly all features, see LR_*
 534  * defines in windows.h
 535  */
 536 HICON32 WINAPI CopyImage32( HANDLE32 hnd, UINT32 type, INT32 desiredx,
 537                              INT32 desiredy, UINT32 flags )
 538 {
 539     switch (type)
 540     {
 541         case IMAGE_BITMAP:
 542                 return BITMAP_CopyBitmap(hnd);
 543         case IMAGE_ICON:
 544                 return CopyIcon32(hnd);
 545         case IMAGE_CURSOR:
 546                 return CopyCursor32(hnd);
 547     }
 548     return 0;
 549 }
 550
 551 /**********************************************************************
 552  *          LoadBitmap16    (USER.175)
 553  *
 554  * NOTES
 555  *    Can this call LoadBitmap32?
 556  */
 557 HBITMAP16 WINAPI LoadBitmap16( HINSTANCE16 instance, SEGPTR name )
 558 {
 559     HBITMAP32 hbitmap = 0;
 560     HDC32 hdc;
 561     HRSRC16 hRsrc;
 562     HGLOBAL16 handle;
 563     BITMAPINFO *info;
 564
 565     if (HIWORD(name))
 566     {
 567         char *str = (char *)PTR_SEG_TO_LIN( name );
 568         TRACE(bitmap, "(%04x,'%s')\n", instance, str );
 569         if (str[0] == '#') name = (SEGPTR)(DWORD)(WORD)atoi( str + 1 );
 570     }
 571     else
 572         TRACE(bitmap, "(%04x,%04x)\n",
 573                         instance, LOWORD(name) );
 574
 575     if (!instance)  /* OEM bitmap */
 576     {
 577         if (HIWORD((int)name)) return 0;
 578         return OBM_LoadBitmap( LOWORD((int)name) );
 579     }
 580
 581     if (!(hRsrc = FindResource16( instance, name, RT_BITMAP16 ))) return 0;
 582     if (!(handle = LoadResource16( instance, hRsrc ))) return 0;
 583
 584     info = (BITMAPINFO *)LockResource16( handle );
 585     if ((hdc = GetDC32(0)) != 0)
 586     {
 587         char *bits = (char *)info + DIB_BitmapInfoSize( info, DIB_RGB_COLORS );
 588         hbitmap = CreateDIBitmap32( hdc, &info->bmiHeader, CBM_INIT,
 589                                     bits, info, DIB_RGB_COLORS );
 590         ReleaseDC32( 0, hdc );
 591     }
 592     FreeResource16( handle );
 593     return hbitmap;
 594 }
 595
 596
 597 HBITMAP32 BITMAP_LoadBitmap32W(HINSTANCE32 instance,LPCWSTR name,
 598   UINT32 loadflags)
 599 {
 600     HBITMAP32 hbitmap = 0;
 601     HDC32 hdc;
 602     HRSRC32 hRsrc;
 603     HGLOBAL32 handle;
 604     char *ptr = NULL;
 605     BITMAPINFO *info, *fix_info=NULL;
 606     HGLOBAL32 hFix;
 607     int size;
 608
 609     if (!(loadflags & LR_LOADFROMFILE)) {
 610       if (!instance)  /* OEM bitmap */
 611       {
 612           if (HIWORD((int)name)) return 0;
 613           return OBM_LoadBitmap( LOWORD((int)name) );
 614       }
 615
 616       if (!(hRsrc = FindResource32W( instance, name, RT_BITMAP32W ))) return 0;
 617       if (!(handle = LoadResource32( instance, hRsrc ))) return 0;
 618
 619       if ((info = (BITMAPINFO *)LockResource32( handle )) == NULL) return 0;
 620     }
 621     else
 622     {
 623         if (!(ptr = (char *)VIRTUAL_MapFileW( name ))) return 0;
 624         info = (BITMAPINFO *)(ptr + sizeof(BITMAPFILEHEADER));
 625     }
 626     size = DIB_BitmapInfoSize(info, DIB_RGB_COLORS);
 627     if ((hFix = GlobalAlloc32(0, size))) fix_info=GlobalLock32(hFix);
 628     if (fix_info) {
 629       BYTE pix;
 630
 631       memcpy(fix_info, info, size);
 632       pix = *((LPBYTE)info+DIB_BitmapInfoSize(info, DIB_RGB_COLORS));
 633       DIB_FixColorsToLoadflags(fix_info, loadflags, pix);
 634       if ((hdc = GetDC32(0)) != 0) {
 635         if (loadflags & LR_CREATEDIBSECTION)
 636           hbitmap = CreateDIBSection32(hdc, fix_info, DIB_RGB_COLORS, NULL, 0, 0);
 637         else {
 638           char *bits = (char *)info + size;;
 639           hbitmap = CreateDIBitmap32( hdc, &fix_info->bmiHeader, CBM_INIT,
 640                                       bits, fix_info, DIB_RGB_COLORS );
 641         }
 642         ReleaseDC32( 0, hdc );
 643       }
 644       GlobalUnlock32(hFix);
 645       GlobalFree32(hFix);
 646     }
 647     if (loadflags & LR_LOADFROMFILE) UnmapViewOfFile( ptr );
 648     return hbitmap;
 649 }
 650 /******************************************************************************
 651  * LoadBitmap32W [USER32.358]  Loads bitmap from the executable file
 652  *
 653  * RETURNS
 654  *    Success: Handle to specified bitmap
 655  *    Failure: NULL
 656  */
 657 HBITMAP32 WINAPI LoadBitmap32W(
 658     HINSTANCE32 instance, /* [in] Handle to application instance */
 659     LPCWSTR name)         /* [in] Address of bitmap resource name */
 660 {
 661     return BITMAP_LoadBitmap32W(instance, name, 0);
 662 }
 663
 664
 665 /**********************************************************************
 666  *          LoadBitmap32A   (USER32.357)
 667  */
 668 HBITMAP32 WINAPI LoadBitmap32A( HINSTANCE32 instance, LPCSTR name )
 669 {
 670     HBITMAP32 res;
 671     if (!HIWORD(name)) res = LoadBitmap32W( instance, (LPWSTR)name );
 672     else
 673     {
 674         LPWSTR uni = HEAP_strdupAtoW( GetProcessHeap(), 0, name );
 675         res = LoadBitmap32W( instance, uni );
 676         HeapFree( GetProcessHeap(), 0, uni );
 677     }
 678     return res;
 679 }
 680
 681
 682 /***********************************************************************
 683  *           BITMAP_DeleteObject
 684  */
 685 BOOL32 BITMAP_DeleteObject( HBITMAP16 hbitmap, BITMAPOBJ * bmp )
 686 {
 687     if( bmp->DDBitmap ) {
 688         if( bmp->DDBitmap->funcs->pDeleteObject )
 689             bmp->DDBitmap->funcs->pDeleteObject( hbitmap );
 690     }
 691
 692     if( bmp->bitmap.bmBits )
 693         HeapFree( GetProcessHeap(), 0, bmp->bitmap.bmBits );
 694
 695     DIB_DeleteDIBSection( bmp );
 696
 697     return GDI_FreeObject( hbitmap );
 698 }
 699
 700
 701 /***********************************************************************
 702  *           BITMAP_GetObject16
 703  */
 704 INT16 BITMAP_GetObject16( BITMAPOBJ * bmp, INT16 count, LPVOID buffer )
 705 {
 706     if (bmp->dib)
 707     {
 708         if ( count <= sizeof(BITMAP16) )
 709         {
 710             BITMAP32 *bmp32 = &bmp->dib->dibSection.dsBm;
 711             BITMAP16 bmp16;
 712             bmp16.bmType       = bmp32->bmType;
 713             bmp16.bmWidth      = bmp32->bmWidth;
 714             bmp16.bmHeight     = bmp32->bmHeight;
 715             bmp16.bmWidthBytes = bmp32->bmWidthBytes;
 716             bmp16.bmPlanes     = bmp32->bmPlanes;
 717             bmp16.bmBitsPixel  = bmp32->bmBitsPixel;
 718             bmp16.bmBits       = (SEGPTR)0;
 719             memcpy( buffer, &bmp16, count );
 720             return count;
 721         }
 722         else
 723         {
 724             FIXME(bitmap, "not implemented for DIBs: count %d\n", count);
 725             return 0;
 726         }
 727     }
 728     else
 729     {
 730         BITMAP16 bmp16;
 731         bmp16.bmType       = bmp->bitmap.bmType;
 732         bmp16.bmWidth      = bmp->bitmap.bmWidth;
 733         bmp16.bmHeight     = bmp->bitmap.bmHeight;
 734         bmp16.bmWidthBytes = bmp->bitmap.bmWidthBytes;
 735         bmp16.bmPlanes     = bmp->bitmap.bmPlanes;
 736         bmp16.bmBitsPixel  = bmp->bitmap.bmBitsPixel;
 737         bmp16.bmBits       = (SEGPTR)0;
 738         if (count > sizeof(bmp16)) count = sizeof(bmp16);
 739         memcpy( buffer, &bmp16, count );
 740         return count;
 741     }
 742 }
 743
 744
 745 /***********************************************************************
 746  *           BITMAP_GetObject32
 747  */
 748 INT32 BITMAP_GetObject32( BITMAPOBJ * bmp, INT32 count, LPVOID buffer )
 749 {
 750     if (bmp->dib)
 751     {
 752         if (count < sizeof(DIBSECTION))
 753         {
 754             if (count > sizeof(BITMAP32)) count = sizeof(BITMAP32);
 755         }
 756         else
 757         {
 758             if (count > sizeof(DIBSECTION)) count = sizeof(DIBSECTION);
 759         }
 760
 761         memcpy( buffer, &bmp->dib->dibSection, count );
 762         return count;
 763     }
 764     else
 765     {
 766         if (count > sizeof(BITMAP32)) count = sizeof(BITMAP32);
 767         memcpy( buffer, &bmp->bitmap, count );
 768         return count;
 769     }
 770 }
 771
 772
 773 /***********************************************************************
 774  *           CreateDiscardableBitmap16    (GDI.156)
 775  */
 776 HBITMAP16 WINAPI CreateDiscardableBitmap16( HDC16 hdc, INT16 width,
 777                                             INT16 height )
 778 {
 779     return CreateCompatibleBitmap16( hdc, width, height );
 780 }
 781
 782
 783 /******************************************************************************
 784  * CreateDiscardableBitmap32 [GDI32.38]  Creates a discardable bitmap
 785  *
 786  * RETURNS
 787  *    Success: Handle to bitmap
 788  *    Failure: NULL
 789  */
 790 HBITMAP32 WINAPI CreateDiscardableBitmap32(
 791     HDC32 hdc,    /* [in] Handle to device context */
 792     INT32 width,  /* [in] Bitmap width */
 793     INT32 height) /* [in] Bitmap height */
 794 {
 795     return CreateCompatibleBitmap32( hdc, width, height );
 796 }
 797
 798
 799 /***********************************************************************
 800  *           GetBitmapDimensionEx16    (GDI.468)
 801  *
 802  * NOTES
 803  *    Can this call GetBitmapDimensionEx32?
 804  */
 805 BOOL16 WINAPI GetBitmapDimensionEx16( HBITMAP16 hbitmap, LPSIZE16 size )
 806 {
 807     BITMAPOBJ * bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC );
 808     if (!bmp) return FALSE;
 809     CONV_SIZE32TO16( &bmp->size, size );
 810     GDI_HEAP_UNLOCK( hbitmap );
 811     return TRUE;
 812 }
 813
 814
 815 /******************************************************************************
 816  * GetBitmapDimensionEx32 [GDI32.144]  Retrieves dimensions of a bitmap
 817  *
 818  * RETURNS
 819  *    Success: TRUE
 820  *    Failure: FALSE
 821  */
 822 BOOL32 WINAPI GetBitmapDimensionEx32(
 823     HBITMAP32 hbitmap, /* [in]  Handle to bitmap */
 824     LPSIZE32 size)     /* [out] Address of struct receiving dimensions */
 825 {
 826     BITMAPOBJ * bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC );
 827     if (!bmp) return FALSE;
 828     *size = bmp->size;
 829     GDI_HEAP_UNLOCK( hbitmap );
 830     return TRUE;
 831 }
 832
 833
 834 /***********************************************************************
 835  *           GetBitmapDimension    (GDI.162)
 836  */
 837 DWORD WINAPI GetBitmapDimension( HBITMAP16 hbitmap )
 838 {
 839     SIZE16 size;
 840     if (!GetBitmapDimensionEx16( hbitmap, &size )) return 0;
 841     return MAKELONG( size.cx, size.cy );
 842 }
 843
 844
 845 /***********************************************************************
 846  *           SetBitmapDimensionEx16    (GDI.478)
 847  */
 848 BOOL16 WINAPI SetBitmapDimensionEx16( HBITMAP16 hbitmap, INT16 x, INT16 y,
 849                                       LPSIZE16 prevSize )
 850 {
 851     BITMAPOBJ * bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC );
 852     if (!bmp) return FALSE;
 853     if (prevSize) CONV_SIZE32TO16( &bmp->size, prevSize );
 854     bmp->size.cx = x;
 855     bmp->size.cy = y;
 856     GDI_HEAP_UNLOCK( hbitmap );
 857     return TRUE;
 858 }
 859
 860
 861 /******************************************************************************
 862  * SetBitmapDimensionEx32 [GDI32.304]  Assignes dimensions to a bitmap
 863  *
 864  * RETURNS
 865  *    Success: TRUE
 866  *    Failure: FALSE
 867  */
 868 BOOL32 WINAPI SetBitmapDimensionEx32(
 869     HBITMAP32 hbitmap, /* [in]  Handle to bitmap */
 870     INT32 x,           /* [in]  Bitmap width */
 871     INT32 y,           /* [in]  Bitmap height */
 872     LPSIZE32 prevSize) /* [out] Address of structure for orig dims */
 873 {
 874     BITMAPOBJ * bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC );
 875     if (!bmp) return FALSE;
 876     if (prevSize) *prevSize = bmp->size;
 877     bmp->size.cx = x;
 878     bmp->size.cy = y;
 879     GDI_HEAP_UNLOCK( hbitmap );
 880     return TRUE;
 881 }
 882
 883
 884 /***********************************************************************
 885  *           SetBitmapDimension    (GDI.163)
 886  */
 887 DWORD WINAPI SetBitmapDimension( HBITMAP16 hbitmap, INT16 x, INT16 y )
 888 {
 889     SIZE16 size;
 890     if (!SetBitmapDimensionEx16( hbitmap, x, y, &size )) return 0;
 891     return MAKELONG( size.cx, size.cy );
 892 }
 893