objects/metafile.c

   1 /*
   2  * Metafile functions
   3  *
   4  * Copyright  David W. Metcalfe, 1994
   5  *            Niels de Carpentier, Albrecht Kleine, Huw Davies 1996
   6  *
   7  */
   8
   9 #include <string.h>
  10 #include <fcntl.h>
  11 #include "gdi.h"
  12 #include "bitmap.h"
  13 #include "file.h"
  14 #include "heap.h"
  15 #include "metafile.h"
  16 #include "metafiledrv.h"
  17 #include "stddebug.h"
  18 #include "debug.h"
  19
  20 /******************************************************************
  21  *         MF_AddHandle
  22  *
  23  *    Add a handle to an external handle table and return the index
  24  */
  25
  26 static int MF_AddHandle(HANDLETABLE16 *ht, WORD htlen, HGDIOBJ16 hobj)
  27 {
  28     int i;
  29
  30     for (i = 0; i < htlen; i++)
  31     {
  32         if (*(ht->objectHandle + i) == 0)
  33         {
  34             *(ht->objectHandle + i) = hobj;
  35             return i;
  36         }
  37     }
  38     return -1;
  39 }
  40
  41
  42 /******************************************************************
  43  *         MF_AddHandleDC
  44  *
  45  * Note: this function assumes that we never delete objects.
  46  * If we do someday, we'll need to maintain a table to re-use deleted
  47  * handles.
  48  */
  49 static int MF_AddHandleDC( DC *dc )
  50 {
  51     METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
  52     physDev->mh->mtNoObjects++;
  53     return physDev->nextHandle++;
  54 }
  55
  56
  57 /******************************************************************
  58  *         GetMetafile         GDI.124 By Kenny MacDonald 30 Nov 94
  59  */
  60
  61 HMETAFILE16 GetMetaFile(LPSTR lpFilename)
  62 {
  63   HMETAFILE16 hmf;
  64   METAHEADER *mh;
  65   HFILE hFile;
  66   DWORD size;
  67
  68   dprintf_metafile(stddeb,"GetMetaFile: %s\n", lpFilename);
  69
  70   if (!lpFilename)
  71     return 0;
  72
  73   hmf = GlobalAlloc16(GMEM_MOVEABLE, MFHEADERSIZE);
  74   mh = (METAHEADER *)GlobalLock16(hmf);
  75
  76   if (!mh) {
  77     GlobalFree16(hmf);
  78     return 0;
  79   }
  80
  81   if ((hFile = _lopen(lpFilename, OF_READ)) == HFILE_ERROR) {
  82     GlobalFree16(hmf);
  83     return 0;
  84   }
  85
  86   if (_lread32(hFile, (char *)mh, MFHEADERSIZE) == HFILE_ERROR) {
  87     GlobalFree16(hmf);
  88     return 0;
  89   }
  90
  91   size = mh->mtSize * 2;         /* alloc memory for whole metafile */
  92   GlobalUnlock16(hmf);
  93   hmf = GlobalReAlloc16(hmf,size,GMEM_MOVEABLE);
  94   mh = (METAHEADER *)GlobalLock16(hmf);
  95
  96   if (!mh) {
  97     GlobalFree16(hmf);
  98     return 0;
  99   }
 100
 101   if (_lread32(hFile, (char*)mh + mh->mtHeaderSize * 2,
 102                 size - mh->mtHeaderSize * 2) == HFILE_ERROR) {
 103     GlobalFree16(hmf);
 104     return 0;
 105   }
 106
 107   _lclose(hFile);
 108
 109   if (mh->mtType != 1) {
 110     GlobalFree16(hmf);
 111     return 0;
 112   }
 113
 114   GlobalUnlock16(hmf);
 115   return hmf;
 116
 117 }
 118
 119
 120 /******************************************************************
 121  *         CopyMetafile         GDI.151 Niels de Carpentier, April 1996
 122  */
 123
 124 HMETAFILE16 CopyMetaFile(HMETAFILE16 hSrcMetaFile, LPCSTR lpFilename)
 125 {
 126     HMETAFILE16 handle = 0;
 127     METAHEADER *mh;
 128     METAHEADER *mh2;
 129     HFILE hFile;
 130
 131     dprintf_metafile(stddeb,"CopyMetaFile: %s\n", lpFilename);
 132
 133     mh = (METAHEADER *)GlobalLock16(hSrcMetaFile);
 134
 135     if (!mh)
 136       return 0;
 137
 138     if (lpFilename)          /* disk based metafile */
 139         {
 140         int i,j;
 141         hFile = _lcreat(lpFilename, 0);
 142         j=mh->mtType;
 143         mh->mtType=1;        /* disk file version stores 1 here */
 144         i=_lwrite32(hFile, (char *)mh, mh->mtSize * 2) ;
 145         mh->mtType=j;        /* restore old value  [0 or 1] */
 146         _lclose(hFile);
 147         if (i == -1)
 148             return 0;
 149         }
 150     else                     /* memory based metafile */
 151         {
 152         handle = GlobalAlloc16(GMEM_MOVEABLE,mh->mtSize * 2);
 153         mh2 = (METAHEADER *)GlobalLock16(handle);
 154         memcpy(mh2,mh, mh->mtSize * 2);
 155         GlobalUnlock16(handle);
 156         }
 157
 158     return handle;
 159 }
 160
 161 /******************************************************************
 162  *         IsValidMetaFile   (GDI.410)
 163  *         (This is not exactly what windows does, see "Undoc Win")
 164  */
 165
 166 BOOL IsValidMetaFile(HMETAFILE16 hmf)
 167 {
 168     BOOL resu=FALSE;
 169     METAHEADER *mh = (METAHEADER *)GlobalLock16(hmf);
 170     if (mh) {
 171       if (mh->mtType == 1 || mh->mtType == 0)
 172         if (mh->mtHeaderSize == MFHEADERSIZE/sizeof(INT16))
 173           if (mh->mtVersion == MFVERSION)
 174             resu=TRUE;
 175       GlobalUnlock16(hmf);
 176     }
 177     dprintf_metafile(stddeb,"IsValidMetaFile %x => %d\n",hmf,resu);
 178     return resu;
 179 }
 180
 181
 182 #if 0
 183 /******************************************************************
 184  *         CloseMetafile         GDI.126
 185  */
 186
 187 HMETAFILE16 CloseMetaFile(HDC16 hdc)
 188 {
 189     DC *dc;
 190     METAHEADER *mh;
 191     HMETAFILE16 hmf;
 192     HFILE hFile;
 193     METAFILEDRV_PDEVICE *physDev;
 194
 195     dprintf_metafile(stddeb,"CloseMetaFile\n");
 196
 197     if (!(dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC))) return 0;
 198
 199     physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 200     mh = (METAHEADER *)GlobalLock16( physDev->hMetafile );
 201
 202     /* Construct the end of metafile record - this is documented
 203      * in SDK Knowledgebase Q99334.
 204      */
 205
 206     if (!MF_MetaParam0(dc, META_EOF))
 207     {
 208         DeleteDC32( hdc );
 209         return 0;
 210     }
 211
 212     if (mh->mtType == 1)        /* disk based metafile */
 213     {
 214         hFile = mh->mtNoParameters;
 215         mh->mtNoParameters = 0;
 216         if (_llseek(hFile, 0L, 0) == -1)
 217         {
 218             DeleteDC32( hdc );
 219             return 0;
 220         }
 221         if (_lwrite32(hFile, (char *)mh, MFHEADERSIZE) == -1)
 222         {
 223             DeleteDC32( hdc );
 224             return 0;
 225         }
 226         _lclose(hFile);
 227     }
 228
 229     hmf = physDev->hMetafile;
 230     GlobalUnlock16( hmf );
 231     physDev->hMetafile = 0;  /* So it won't be deleted */
 232     DeleteDC32( hdc );
 233     return hmf;
 234 }
 235
 236
 237 /******************************************************************
 238  *         DeleteMetafile         GDI.127
 239  */
 240
 241 BOOL DeleteMetaFile(HMETAFILE16 hmf)
 242 {
 243     METAHEADER *mh = (METAHEADER *)GlobalLock16(hmf);
 244
 245     if (!mh)
 246         return FALSE;
 247
 248     GlobalFree16(hmf);
 249     return TRUE;
 250 }
 251 #endif
 252
 253 /******************************************************************
 254  *         PlayMetafile         GDI.123
 255  */
 256
 257 BOOL PlayMetaFile(HDC16 hdc, HMETAFILE16 hmf)
 258 {
 259     METAHEADER *mh = (METAHEADER *)GlobalLock16(hmf);
 260     METARECORD *mr;
 261     HANDLETABLE16 *ht;
 262     HGLOBAL16 hHT;
 263     int offset = 0;
 264     WORD i;
 265
 266     dprintf_metafile(stddeb,"PlayMetaFile(%04x %04x)\n",hdc,hmf);
 267
 268     /* create the handle table */
 269     hHT = GlobalAlloc16(GMEM_MOVEABLE|GMEM_ZEROINIT,
 270                       sizeof(HANDLETABLE16) * mh->mtNoObjects);
 271     ht = (HANDLETABLE16 *)GlobalLock16(hHT);
 272
 273     /* loop through metafile playing records */
 274     offset = mh->mtHeaderSize * 2;
 275     while (offset < mh->mtSize * 2)
 276     {
 277         mr = (METARECORD *)((char *)mh + offset);
 278         dprintf_metafile(stddeb,"offset = %04x size = %08lx function = %04x\n",
 279                          offset,mr->rdSize,mr->rdFunction);
 280         offset += mr->rdSize * 2;
 281         PlayMetaFileRecord(hdc, ht, mr, mh->mtNoObjects);
 282     }
 283
 284     /* free objects in handle table */
 285     for(i = 0; i < mh->mtNoObjects; i++)
 286       if(*(ht->objectHandle + i) != 0)
 287         DeleteObject32(*(ht->objectHandle + i));
 288
 289     /* free handle table */
 290     GlobalFree16(hHT);
 291
 292     return TRUE;
 293 }
 294
 295
 296 /******************************************************************
 297  *         EnumMetafile         GDI.175
 298  *                                    Niels de carpentier, april 1996
 299  */
 300
 301 BOOL EnumMetaFile(HDC16 hdc, HMETAFILE16 hmf, MFENUMPROC16 lpEnumFunc,LPARAM lpData)
 302 {
 303     METAHEADER *mh = (METAHEADER *)GlobalLock16(hmf);
 304     METARECORD *mr;
 305     HGLOBAL16 hHT;
 306     SEGPTR ht, spRecord;
 307     int offset = 0;
 308
 309     dprintf_metafile(stddeb,"EnumMetaFile(%04x, %04x, %08lx, %08lx)\n",
 310                      hdc, hmf, (DWORD)lpEnumFunc, lpData);
 311
 312     /* create the handle table */
 313
 314     hHT = GlobalAlloc16(GMEM_MOVEABLE | GMEM_ZEROINIT,
 315                      sizeof(HANDLETABLE16) * mh->mtNoObjects);
 316     ht = WIN16_GlobalLock16(hHT);
 317
 318     offset = mh->mtHeaderSize * 2;
 319
 320     /* loop through metafile records */
 321
 322     spRecord = WIN16_GlobalLock16(hmf);
 323     while (offset < (mh->mtSize * 2))
 324     {
 325         mr = (METARECORD *)((char *)mh + offset);
 326         if (!lpEnumFunc( hdc, (HANDLETABLE16 *)ht,
 327                          (METARECORD *)((UINT32)spRecord + offset),
 328                          mh->mtNoObjects, (LONG)lpData))
 329             break;
 330
 331         offset += (mr->rdSize * 2);
 332     }
 333
 334     /* free handle table */
 335     GlobalFree16(hHT);
 336
 337     return TRUE;
 338 }
 339
 340 /*******************************************************************
 341  *   MF_GetDIBitsPointer    [internal helper for e.g. PlayMetaFileRecord]
 342  *
 343  * Returns offset to DIB bits or 0 if error
 344  * (perhaps should be moved to (objects/dib.c ?)
 345  */
 346 static LPSTR MF_GetDIBitsPointer(LPBITMAPINFO info)
 347 {
 348       int offset;
 349       if (info->bmiHeader.biSize == sizeof(BITMAPINFOHEADER))
 350         {
 351         if (info->bmiHeader.biClrUsed)
 352           {
 353           if (info->bmiHeader.biClrUsed < (1 << info->bmiHeader.biBitCount))
 354             offset = info->bmiHeader.biClrUsed * 4;
 355           else
 356             offset = (1 << info->bmiHeader.biBitCount) * 4;
 357           }
 358         else
 359           offset = (1 << info->bmiHeader.biBitCount) * 4;
 360         }
 361       else if (info->bmiHeader.biSize == sizeof(BITMAPCOREHEADER))
 362         {
 363         if (info->bmiHeader.biClrUsed)
 364           {
 365           if (info->bmiHeader.biClrUsed < (1 << info->bmiHeader.biBitCount))
 366             offset = info->bmiHeader.biClrUsed * 3;
 367           else
 368             offset = (1 << info->bmiHeader.biBitCount) * 3;
 369           }
 370         else
 371           offset = (1 << info->bmiHeader.biBitCount) * 3;
 372         }
 373       else
 374         {
 375         fprintf(stderr,"Unknown size for BITMAPHEADER in MetaFile!\n");
 376         return NULL;
 377         }
 378       return (LPSTR)info + info->bmiHeader.biSize + offset;
 379 }
 380
 381
 382 /******************************************************************
 383  *         PlayMetaFileRecord      GDI.176
 384  */
 385
 386 void PlayMetaFileRecord(HDC16 hdc, HANDLETABLE16 *ht, METARECORD *mr,
 387                         WORD nHandles)
 388 {
 389     short s1;
 390     HANDLE16 hndl;
 391     char *ptr;
 392     BITMAPINFOHEADER *infohdr;
 393
 394     dprintf_metafile(stddeb,"PlayMetaFileRecord(%04x %08lx %08lx %04x)\n",
 395                      hdc,(LONG)ht, (LONG)mr, nHandles);
 396
 397     switch (mr->rdFunction)
 398     {
 399     case META_EOF:
 400       break;
 401
 402     case META_DELETEOBJECT:
 403       DeleteObject32(*(ht->objectHandle + *(mr->rdParam)));
 404       *(ht->objectHandle + *(mr->rdParam)) = 0;
 405       break;
 406
 407     case META_SETBKCOLOR:
 408         SetBkColor(hdc, *(mr->rdParam));
 409         break;
 410
 411     case META_SETBKMODE:
 412         SetBkMode16(hdc, *(mr->rdParam));
 413         break;
 414
 415     case META_SETMAPMODE:
 416         SetMapMode16(hdc, *(mr->rdParam));
 417         break;
 418
 419     case META_SETROP2:
 420         SetROP216(hdc, *(mr->rdParam));
 421         break;
 422
 423     case META_SETRELABS:
 424         SetRelAbs16(hdc, *(mr->rdParam));
 425         break;
 426
 427     case META_SETPOLYFILLMODE:
 428         SetPolyFillMode16(hdc, *(mr->rdParam));
 429         break;
 430
 431     case META_SETSTRETCHBLTMODE:
 432         SetStretchBltMode16(hdc, *(mr->rdParam));
 433         break;
 434
 435     case META_SETTEXTCOLOR:
 436         SetTextColor(hdc, MAKELONG(*(mr->rdParam), *(mr->rdParam + 1)));
 437         break;
 438
 439     case META_SETWINDOWORG:
 440         SetWindowOrg(hdc, *(mr->rdParam + 1), *(mr->rdParam));
 441         break;
 442
 443     case META_SETWINDOWEXT:
 444         SetWindowExt(hdc, *(mr->rdParam + 1), *(mr->rdParam));
 445         break;
 446
 447     case META_SETVIEWPORTORG:
 448         SetViewportOrg(hdc, *(mr->rdParam + 1), *(mr->rdParam));
 449         break;
 450
 451     case META_SETVIEWPORTEXT:
 452         SetViewportExt(hdc, *(mr->rdParam + 1), *(mr->rdParam));
 453         break;
 454
 455     case META_OFFSETWINDOWORG:
 456         OffsetWindowOrg(hdc, *(mr->rdParam + 1), *(mr->rdParam));
 457         break;
 458
 459     case META_SCALEWINDOWEXT:
 460         ScaleWindowExt(hdc, *(mr->rdParam + 3), *(mr->rdParam + 2),
 461                        *(mr->rdParam + 1), *(mr->rdParam));
 462         break;
 463
 464     case META_OFFSETVIEWPORTORG:
 465         OffsetViewportOrg(hdc, *(mr->rdParam + 1), *(mr->rdParam));
 466         break;
 467
 468     case META_SCALEVIEWPORTEXT:
 469         ScaleViewportExt(hdc, *(mr->rdParam + 3), *(mr->rdParam + 2),
 470                          *(mr->rdParam + 1), *(mr->rdParam));
 471         break;
 472
 473     case META_LINETO:
 474         LineTo32(hdc, *(mr->rdParam + 1), *(mr->rdParam));
 475         break;
 476
 477     case META_MOVETO:
 478         MoveTo(hdc, *(mr->rdParam + 1), *(mr->rdParam));
 479         break;
 480
 481     case META_EXCLUDECLIPRECT:
 482         ExcludeClipRect16( hdc, *(mr->rdParam + 3), *(mr->rdParam + 2),
 483                            *(mr->rdParam + 1), *(mr->rdParam) );
 484         break;
 485
 486     case META_INTERSECTCLIPRECT:
 487         IntersectClipRect16( hdc, *(mr->rdParam + 3), *(mr->rdParam + 2),
 488                              *(mr->rdParam + 1), *(mr->rdParam) );
 489         break;
 490
 491     case META_ARC:
 492         Arc32(hdc, *(mr->rdParam + 7), *(mr->rdParam + 6), *(mr->rdParam + 5),
 493               *(mr->rdParam + 4), *(mr->rdParam + 3), *(mr->rdParam + 2),
 494               *(mr->rdParam + 1), *(mr->rdParam));
 495         break;
 496
 497     case META_ELLIPSE:
 498         Ellipse32(hdc, *(mr->rdParam + 3), *(mr->rdParam + 2),
 499                   *(mr->rdParam + 1), *(mr->rdParam));
 500         break;
 501
 502     case META_FLOODFILL:
 503         FloodFill32(hdc, *(mr->rdParam + 3), *(mr->rdParam + 2),
 504                     MAKELONG(*(mr->rdParam + 1), *(mr->rdParam)));
 505         break;
 506
 507     case META_PIE:
 508         Pie32(hdc, *(mr->rdParam + 7), *(mr->rdParam + 6), *(mr->rdParam + 5),
 509               *(mr->rdParam + 4), *(mr->rdParam + 3), *(mr->rdParam + 2),
 510               *(mr->rdParam + 1), *(mr->rdParam));
 511         break;
 512
 513     case META_RECTANGLE:
 514         Rectangle32(hdc, *(mr->rdParam + 3), *(mr->rdParam + 2),
 515                     *(mr->rdParam + 1), *(mr->rdParam));
 516         break;
 517
 518     case META_ROUNDRECT:
 519         RoundRect32(hdc, *(mr->rdParam + 5), *(mr->rdParam + 4),
 520                     *(mr->rdParam + 3), *(mr->rdParam + 2),
 521                     *(mr->rdParam + 1), *(mr->rdParam));
 522         break;
 523
 524     case META_PATBLT:
 525         PatBlt16(hdc, *(mr->rdParam + 5), *(mr->rdParam + 4),
 526                  *(mr->rdParam + 3), *(mr->rdParam + 2),
 527                  MAKELONG(*(mr->rdParam), *(mr->rdParam + 1)));
 528         break;
 529
 530     case META_SAVEDC:
 531         SaveDC32(hdc);
 532         break;
 533
 534     case META_SETPIXEL:
 535         SetPixel32(hdc, *(mr->rdParam + 3), *(mr->rdParam + 2),
 536                    MAKELONG(*(mr->rdParam + 1), *(mr->rdParam)));
 537         break;
 538
 539     case META_OFFSETCLIPRGN:
 540         OffsetClipRgn16( hdc, *(mr->rdParam + 1), *(mr->rdParam) );
 541         break;
 542
 543     case META_TEXTOUT:
 544         s1 = *(mr->rdParam);
 545         TextOut16(hdc, *(mr->rdParam + ((s1 + 1) >> 1) + 2),
 546                   *(mr->rdParam + ((s1 + 1) >> 1) + 1),
 547                   (char *)(mr->rdParam + 1), s1);
 548         break;
 549
 550     case META_POLYGON:
 551         Polygon16(hdc, (LPPOINT16)(mr->rdParam + 1), *(mr->rdParam));
 552         break;
 553
 554     case META_POLYPOLYGON:
 555       PolyPolygon16(hdc, (LPPOINT16)(mr->rdParam + *(mr->rdParam) + 1),
 556                     (LPINT16)(mr->rdParam + 1), *(mr->rdParam));
 557       break;
 558
 559     case META_POLYLINE:
 560         Polyline16(hdc, (LPPOINT16)(mr->rdParam + 1), *(mr->rdParam));
 561         break;
 562
 563     case META_RESTOREDC:
 564         RestoreDC32(hdc, *(mr->rdParam));
 565         break;
 566
 567     case META_SELECTOBJECT:
 568         SelectObject32(hdc, *(ht->objectHandle + *(mr->rdParam)));
 569         break;
 570
 571     case META_CHORD:
 572         Chord32(hdc, *(mr->rdParam + 7), *(mr->rdParam + 6), *(mr->rdParam+5),
 573                 *(mr->rdParam + 4), *(mr->rdParam + 3), *(mr->rdParam + 2),
 574                 *(mr->rdParam + 1), *(mr->rdParam));
 575         break;
 576
 577     case META_CREATEPATTERNBRUSH:
 578         switch (*(mr->rdParam))
 579         {
 580         case BS_PATTERN:
 581             infohdr = (BITMAPINFOHEADER *)(mr->rdParam + 2);
 582             MF_AddHandle(ht, nHandles,
 583                          CreatePatternBrush32(CreateBitmap(infohdr->biWidth,
 584                                       infohdr->biHeight,
 585                                       infohdr->biPlanes,
 586                                       infohdr->biBitCount,
 587                                       (LPSTR)(mr->rdParam +
 588                                       (sizeof(BITMAPINFOHEADER) / 2) + 4))));
 589             break;
 590
 591         case BS_DIBPATTERN:
 592             s1 = mr->rdSize * 2 - sizeof(METARECORD) - 2;
 593             hndl = GlobalAlloc16(GMEM_MOVEABLE, s1);
 594             ptr = GlobalLock16(hndl);
 595             memcpy(ptr, mr->rdParam + 2, s1);
 596             GlobalUnlock16(hndl);
 597             MF_AddHandle(ht, nHandles,
 598                          CreateDIBPatternBrush32(hndl, *(mr->rdParam + 1)));
 599             GlobalFree16(hndl);
 600         }
 601         break;
 602
 603     case META_CREATEPENINDIRECT:
 604         MF_AddHandle(ht, nHandles,
 605                      CreatePenIndirect16((LOGPEN16 *)(&(mr->rdParam))));
 606         break;
 607
 608     case META_CREATEFONTINDIRECT:
 609         MF_AddHandle(ht, nHandles,
 610                      CreateFontIndirect16((LOGFONT16 *)(&(mr->rdParam))));
 611         break;
 612
 613     case META_CREATEBRUSHINDIRECT:
 614         MF_AddHandle(ht, nHandles,
 615                      CreateBrushIndirect16((LOGBRUSH16 *)(&(mr->rdParam))));
 616         break;
 617
 618     /* W. Magro: Some new metafile operations.  Not all debugged. */
 619     case META_CREATEPALETTE:
 620         MF_AddHandle(ht, nHandles,
 621                      CreatePalette((LPLOGPALETTE)mr->rdParam));
 622         break;
 623
 624     case META_SETTEXTALIGN:
 625         SetTextAlign16(hdc, *(mr->rdParam));
 626         break;
 627
 628     case META_SELECTPALETTE:
 629         SelectPalette(hdc, *(ht->objectHandle + *(mr->rdParam+1)),*(mr->rdParam));
 630         break;
 631
 632     case META_SETMAPPERFLAGS:
 633         SetMapperFlags(hdc, *(mr->rdParam));
 634         break;
 635
 636     case META_REALIZEPALETTE:
 637         RealizePalette(hdc);
 638         break;
 639
 640     case META_ESCAPE:
 641         dprintf_metafile(stddeb,"PlayMetaFileRecord: META_ESCAPE unimplemented.\n");
 642         break;
 643
 644         /* --- Begin of fixed or new metafile operations. July 1996 ----*/
 645     case META_EXTTEXTOUT:
 646       {
 647         LPINT16 dxx;
 648         DWORD len;
 649
 650         s1 = mr->rdParam[2];                              /* String length */
 651         len = sizeof(METARECORD) + (((s1 + 1) >> 1) * 2) + 2 * sizeof(short)
 652          + sizeof(UINT16) + sizeof(RECT16);
 653         if (mr->rdSize == len / 2)
 654           dxx = NULL;                                    /* No array present */
 655         else if (mr->rdSize == (len + s1 * sizeof(INT16)) / 2)
 656           dxx = &mr->rdParam[8+(s1+1)/2];                /* start of array */
 657         else {
 658           fprintf(stderr,
 659            "PlayMetaFileRecord ExtTextOut mr->rdSize = %08lx, count = %x\n",
 660            mr->rdSize, s1);
 661           dxx = NULL;
 662         }
 663         ExtTextOut16( hdc, mr->rdParam[1],              /* X position */
 664                            mr->rdParam[0],              /* Y position */
 665                            mr->rdParam[3],              /* options */
 666                            (LPRECT16) &mr->rdParam[4],  /* rectangle */
 667                            (char *)(mr->rdParam + 8),   /* string */
 668                            s1, dxx);                    /* length, dx array */
 669         if (dxx)
 670           dprintf_metafile(stddeb,"EXTTEXTOUT len: %ld  (%hd %hd)  [%s].\n",
 671             mr->rdSize,dxx[0],dxx[1],(char*) &(mr->rdParam[8]) );
 672        }
 673        break;
 674
 675     case META_STRETCHDIB:
 676       {
 677        LPBITMAPINFO info = (LPBITMAPINFO) &(mr->rdParam[11]);
 678        LPSTR bits = MF_GetDIBitsPointer(info);
 679        if (bits)
 680         StretchDIBits16(hdc,mr->rdParam[10],mr->rdParam[9],mr->rdParam[8],
 681                        mr->rdParam[7],mr->rdParam[6],mr->rdParam[5],
 682                        mr->rdParam[4],mr->rdParam[3],bits,info,
 683                        mr->rdParam[2],MAKELONG(mr->rdParam[0],mr->rdParam[1]));
 684       }
 685       break;
 686
 687     case META_DIBSTRETCHBLT:
 688       {
 689        LPBITMAPINFO info = (LPBITMAPINFO) &(mr->rdParam[10]);
 690        LPSTR bits = MF_GetDIBitsPointer(info);
 691        if (bits)
 692          StretchDIBits16(hdc,mr->rdParam[9],mr->rdParam[8],mr->rdParam[7],
 693                        mr->rdParam[6],mr->rdParam[5],mr->rdParam[4],
 694                        mr->rdParam[3],mr->rdParam[2],bits,info,
 695                        DIB_RGB_COLORS,MAKELONG(mr->rdParam[0],mr->rdParam[1]));
 696       }
 697       break;
 698
 699     case META_STRETCHBLT:
 700       {
 701        HDC16 hdcSrc=CreateCompatibleDC16(hdc);
 702        HBITMAP16 hbitmap=CreateBitmap(mr->rdParam[10], /*Width */
 703                                       mr->rdParam[11], /*Height*/
 704                                       mr->rdParam[13], /*Planes*/
 705                                       mr->rdParam[14], /*BitsPixel*/
 706                                       (LPSTR)&mr->rdParam[15]);  /*bits*/
 707        SelectObject32(hdcSrc,hbitmap);
 708        StretchBlt16(hdc,mr->rdParam[9],mr->rdParam[8],
 709                     mr->rdParam[7],mr->rdParam[6],
 710                     hdcSrc,mr->rdParam[5],mr->rdParam[4],
 711                     mr->rdParam[3],mr->rdParam[2],
 712                     MAKELONG(mr->rdParam[0],mr->rdParam[1]));
 713        DeleteDC32(hdcSrc);
 714       }
 715       break;
 716
 717     case META_BITBLT:            /* <-- not yet debugged */
 718       {
 719        HDC16 hdcSrc=CreateCompatibleDC16(hdc);
 720        HBITMAP16 hbitmap=CreateBitmap(mr->rdParam[7]/*Width */,mr->rdParam[8]/*Height*/,
 721                             mr->rdParam[10]/*Planes*/,mr->rdParam[11]/*BitsPixel*/,
 722                             (LPSTR)&mr->rdParam[12]/*bits*/);
 723        SelectObject32(hdcSrc,hbitmap);
 724        BitBlt32(hdc,mr->rdParam[6],mr->rdParam[5],
 725                 mr->rdParam[4],mr->rdParam[3],
 726                 hdcSrc, mr->rdParam[2],mr->rdParam[1],
 727                 MAKELONG(0,mr->rdParam[0]));
 728        DeleteDC32(hdcSrc);
 729       }
 730       break;
 731
 732     default:
 733         fprintf(stddeb,"PlayMetaFileRecord: Unknown record type %x\n",
 734                                               mr->rdFunction);
 735     }
 736 }
 737
 738
 739 /******************************************************************
 740  *         GetMetaFileBits              by William Magro, 19 Sep 1995
 741  *
 742  * Trade in a meta file object handle for a handle to the meta file memory
 743  */
 744
 745 HGLOBAL16 GetMetaFileBits(HMETAFILE16 hmf)
 746 {
 747     dprintf_metafile(stddeb,"GetMetaFileBits: hMem out: %04x\n", hmf);
 748
 749     return hmf;
 750 }
 751
 752 /******************************************************************
 753  *         SetMetaFileBits              by William Magro, 19 Sep 1995
 754  *
 755  * Trade in a meta file memory handle for a handle to a meta file object
 756  */
 757
 758 HMETAFILE16 SetMetaFileBits( HGLOBAL16 hMem )
 759 {
 760     dprintf_metafile(stddeb,"SetMetaFileBits: hmf out: %04x\n", hMem);
 761
 762     return hMem;
 763 }
 764
 765 /******************************************************************
 766  *         MF_WriteRecord
 767  *
 768  * Warning: this function can change the metafile handle.
 769  */
 770
 771 static BOOL32 MF_WriteRecord( DC *dc, METARECORD *mr, WORD rlen)
 772 {
 773     DWORD len;
 774     METAHEADER *mh;
 775     METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 776
 777     switch(physDev->mh->mtType)
 778     {
 779     case METAFILE_MEMORY:
 780         len = physDev->mh->mtSize * 2 + rlen;
 781         mh = HeapReAlloc( SystemHeap, 0, physDev->mh, len );
 782         if (!mh) return FALSE;
 783         physDev->mh = mh;
 784         memcpy((WORD *)physDev->mh + physDev->mh->mtSize, mr, rlen);
 785         break;
 786     case METAFILE_DISK:
 787         dprintf_metafile(stddeb,"Writing record to disk\n");
 788         if (_lwrite32(physDev->mh->mtNoParameters, (char *)mr, rlen) == -1)
 789             return FALSE;
 790         break;
 791     default:
 792         fprintf( stderr, "Uknown metafile type %d\n", physDev->mh->mtType );
 793         return FALSE;
 794     }
 795
 796     physDev->mh->mtSize += rlen / 2;
 797     physDev->mh->mtMaxRecord = MAX(physDev->mh->mtMaxRecord, rlen / 2);
 798     return TRUE;
 799 }
 800
 801
 802 /******************************************************************
 803  *         MF_MetaParam0
 804  */
 805
 806 BOOL32 MF_MetaParam0(DC *dc, short func)
 807 {
 808     char buffer[8];
 809     METARECORD *mr = (METARECORD *)&buffer;
 810
 811     mr->rdSize = 3;
 812     mr->rdFunction = func;
 813     return MF_WriteRecord( dc, mr, mr->rdSize * 2);
 814 }
 815
 816
 817 /******************************************************************
 818  *         MF_MetaParam1
 819  */
 820 BOOL32 MF_MetaParam1(DC *dc, short func, short param1)
 821 {
 822     char buffer[8];
 823     METARECORD *mr = (METARECORD *)&buffer;
 824
 825     mr->rdSize = 4;
 826     mr->rdFunction = func;
 827     *(mr->rdParam) = param1;
 828     return MF_WriteRecord( dc, mr, mr->rdSize * 2);
 829 }
 830
 831
 832 /******************************************************************
 833  *         MF_MetaParam2
 834  */
 835 BOOL32 MF_MetaParam2(DC *dc, short func, short param1, short param2)
 836 {
 837     char buffer[10];
 838     METARECORD *mr = (METARECORD *)&buffer;
 839
 840     mr->rdSize = 5;
 841     mr->rdFunction = func;
 842     *(mr->rdParam) = param2;
 843     *(mr->rdParam + 1) = param1;
 844     return MF_WriteRecord( dc, mr, mr->rdSize * 2);
 845 }
 846
 847
 848 /******************************************************************
 849  *         MF_MetaParam4
 850  */
 851
 852 BOOL32 MF_MetaParam4(DC *dc, short func, short param1, short param2,
 853                    short param3, short param4)
 854 {
 855     char buffer[14];
 856     METARECORD *mr = (METARECORD *)&buffer;
 857
 858     mr->rdSize = 7;
 859     mr->rdFunction = func;
 860     *(mr->rdParam) = param4;
 861     *(mr->rdParam + 1) = param3;
 862     *(mr->rdParam + 2) = param2;
 863     *(mr->rdParam + 3) = param1;
 864     return MF_WriteRecord( dc, mr, mr->rdSize * 2);
 865 }
 866
 867
 868 /******************************************************************
 869  *         MF_MetaParam6
 870  */
 871
 872 BOOL32 MF_MetaParam6(DC *dc, short func, short param1, short param2,
 873                    short param3, short param4, short param5, short param6)
 874 {
 875     char buffer[18];
 876     METARECORD *mr = (METARECORD *)&buffer;
 877
 878     mr->rdSize = 9;
 879     mr->rdFunction = func;
 880     *(mr->rdParam) = param6;
 881     *(mr->rdParam + 1) = param5;
 882     *(mr->rdParam + 2) = param4;
 883     *(mr->rdParam + 3) = param3;
 884     *(mr->rdParam + 4) = param2;
 885     *(mr->rdParam + 5) = param1;
 886     return MF_WriteRecord( dc, mr, mr->rdSize * 2);
 887 }
 888
 889
 890 /******************************************************************
 891  *         MF_MetaParam8
 892  */
 893 BOOL32 MF_MetaParam8(DC *dc, short func, short param1, short param2,
 894                    short param3, short param4, short param5,
 895                    short param6, short param7, short param8)
 896 {
 897     char buffer[22];
 898     METARECORD *mr = (METARECORD *)&buffer;
 899
 900     mr->rdSize = 11;
 901     mr->rdFunction = func;
 902     *(mr->rdParam) = param8;
 903     *(mr->rdParam + 1) = param7;
 904     *(mr->rdParam + 2) = param6;
 905     *(mr->rdParam + 3) = param5;
 906     *(mr->rdParam + 4) = param4;
 907     *(mr->rdParam + 5) = param3;
 908     *(mr->rdParam + 6) = param2;
 909     *(mr->rdParam + 7) = param1;
 910     return MF_WriteRecord( dc, mr, mr->rdSize * 2);
 911 }
 912
 913
 914 /******************************************************************
 915  *         MF_CreateBrushIndirect
 916  */
 917
 918 BOOL32 MF_CreateBrushIndirect(DC *dc, HBRUSH16 hBrush, LOGBRUSH16 *logbrush)
 919 {
 920     int index;
 921     char buffer[sizeof(METARECORD) - 2 + sizeof(*logbrush)];
 922     METARECORD *mr = (METARECORD *)&buffer;
 923
 924     mr->rdSize = (sizeof(METARECORD) + sizeof(*logbrush) - 2) / 2;
 925     mr->rdFunction = META_CREATEBRUSHINDIRECT;
 926     memcpy(&(mr->rdParam), logbrush, sizeof(*logbrush));
 927     if (!(MF_WriteRecord( dc, mr, mr->rdSize * 2))) return FALSE;
 928
 929     mr->rdSize = sizeof(METARECORD) / 2;
 930     mr->rdFunction = META_SELECTOBJECT;
 931
 932     if ((index = MF_AddHandleDC( dc )) == -1) return FALSE;
 933     *(mr->rdParam) = index;
 934     return MF_WriteRecord( dc, mr, mr->rdSize * 2);
 935 }
 936
 937
 938 /******************************************************************
 939  *         MF_CreatePatternBrush
 940  */
 941
 942 BOOL32 MF_CreatePatternBrush(DC *dc, HBRUSH16 hBrush, LOGBRUSH16 *logbrush)
 943 {
 944     DWORD len, bmSize, biSize;
 945     HGLOBAL16 hmr;
 946     METARECORD *mr;
 947     BITMAPOBJ *bmp;
 948     BITMAPINFO *info;
 949     BITMAPINFOHEADER *infohdr;
 950     int index;
 951     char buffer[sizeof(METARECORD)];
 952
 953     switch (logbrush->lbStyle)
 954     {
 955     case BS_PATTERN:
 956         bmp = (BITMAPOBJ *)GDI_GetObjPtr((HGDIOBJ16)logbrush->lbHatch, BITMAP_MAGIC);
 957         if (!bmp) return FALSE;
 958         len = sizeof(METARECORD) + sizeof(BITMAPINFOHEADER) +
 959               (bmp->bitmap.bmHeight * bmp->bitmap.bmWidthBytes) + 6;
 960         if (!(hmr = GlobalAlloc16(GMEM_MOVEABLE, len)))
 961             return FALSE;
 962         mr = (METARECORD *)GlobalLock16(hmr);
 963         memset(mr, 0, len);
 964         mr->rdFunction = META_DIBCREATEPATTERNBRUSH;
 965         mr->rdSize = len / 2;
 966         *(mr->rdParam) = logbrush->lbStyle;
 967         *(mr->rdParam + 1) = DIB_RGB_COLORS;
 968         infohdr = (BITMAPINFOHEADER *)(mr->rdParam + 2);
 969         infohdr->biSize = sizeof(BITMAPINFOHEADER);
 970         infohdr->biWidth = bmp->bitmap.bmWidth;
 971         infohdr->biHeight = bmp->bitmap.bmHeight;
 972         infohdr->biPlanes = bmp->bitmap.bmPlanes;
 973         infohdr->biBitCount = bmp->bitmap.bmBitsPixel;
 974         memcpy(mr->rdParam + (sizeof(BITMAPINFOHEADER) / 2) + 4,
 975                PTR_SEG_TO_LIN(bmp->bitmap.bmBits),
 976                bmp->bitmap.bmHeight * bmp->bitmap.bmWidthBytes);
 977         break;
 978
 979     case BS_DIBPATTERN:
 980         info = (BITMAPINFO *)GlobalLock16((HGLOBAL16)logbrush->lbHatch);
 981         if (info->bmiHeader.biCompression)
 982             bmSize = info->bmiHeader.biSizeImage;
 983         else
 984             bmSize = (info->bmiHeader.biWidth * info->bmiHeader.biBitCount
 985                     + 31) / 32 * 8 * info->bmiHeader.biHeight;
 986         biSize = DIB_BitmapInfoSize(info, LOWORD(logbrush->lbColor));
 987         len = sizeof(METARECORD) + biSize + bmSize + 2;
 988         if (!(hmr = GlobalAlloc16(GMEM_MOVEABLE, len)))
 989             return FALSE;
 990         mr = (METARECORD *)GlobalLock16(hmr);
 991         memset(mr, 0, len);
 992         mr->rdFunction = META_DIBCREATEPATTERNBRUSH;
 993         mr->rdSize = len / 2;
 994         *(mr->rdParam) = logbrush->lbStyle;
 995         *(mr->rdParam + 1) = LOWORD(logbrush->lbColor);
 996         memcpy(mr->rdParam + 2, info, biSize + bmSize);
 997         break;
 998     default:
 999         return FALSE;
1000     }
1001     if (!(MF_WriteRecord(dc, mr, len)))
1002     {
1003         GlobalFree16(hmr);
1004         return FALSE;
1005     }
1006
1007     GlobalFree16(hmr);
1008
1009     mr = (METARECORD *)&buffer;
1010     mr->rdSize = sizeof(METARECORD) / 2;
1011     mr->rdFunction = META_SELECTOBJECT;
1012
1013     if ((index = MF_AddHandleDC( dc )) == -1) return FALSE;
1014     *(mr->rdParam) = index;
1015     return MF_WriteRecord( dc, mr, mr->rdSize * 2);
1016 }
1017
1018
1019 /******************************************************************
1020  *         MF_CreatePenIndirect
1021  */
1022
1023 BOOL32 MF_CreatePenIndirect(DC *dc, HPEN16 hPen, LOGPEN16 *logpen)
1024 {
1025     int index;
1026     char buffer[sizeof(METARECORD) - 2 + sizeof(*logpen)];
1027     METARECORD *mr = (METARECORD *)&buffer;
1028
1029     mr->rdSize = (sizeof(METARECORD) + sizeof(*logpen) - 2) / 2;
1030     mr->rdFunction = META_CREATEPENINDIRECT;
1031     memcpy(&(mr->rdParam), logpen, sizeof(*logpen));
1032     if (!(MF_WriteRecord( dc, mr, mr->rdSize * 2))) return FALSE;
1033
1034     mr->rdSize = sizeof(METARECORD) / 2;
1035     mr->rdFunction = META_SELECTOBJECT;
1036
1037     if ((index = MF_AddHandleDC( dc )) == -1) return FALSE;
1038     *(mr->rdParam) = index;
1039     return MF_WriteRecord( dc, mr, mr->rdSize * 2);
1040 }
1041
1042
1043 /******************************************************************
1044  *         MF_CreateFontIndirect
1045  */
1046
1047 BOOL32 MF_CreateFontIndirect(DC *dc, HFONT16 hFont, LOGFONT16 *logfont)
1048 {
1049     int index;
1050     char buffer[sizeof(METARECORD) - 2 + sizeof(LOGFONT16)];
1051     METARECORD *mr = (METARECORD *)&buffer;
1052
1053     mr->rdSize = (sizeof(METARECORD) + sizeof(LOGFONT16) - 2) / 2;
1054     mr->rdFunction = META_CREATEFONTINDIRECT;
1055     memcpy(&(mr->rdParam), logfont, sizeof(LOGFONT16));
1056     if (!(MF_WriteRecord( dc, mr, mr->rdSize * 2))) return FALSE;
1057
1058     mr->rdSize = sizeof(METARECORD) / 2;
1059     mr->rdFunction = META_SELECTOBJECT;
1060
1061     if ((index = MF_AddHandleDC( dc )) == -1) return FALSE;
1062     *(mr->rdParam) = index;
1063     return MF_WriteRecord( dc, mr, mr->rdSize * 2);
1064 }
1065
1066
1067 /******************************************************************
1068  *         MF_TextOut
1069  */
1070 BOOL32 MF_TextOut(DC *dc, short x, short y, LPCSTR str, short count)
1071 {
1072     BOOL32 ret;
1073     DWORD len;
1074     HGLOBAL16 hmr;
1075     METARECORD *mr;
1076
1077     len = sizeof(METARECORD) + (((count + 1) >> 1) * 2) + 4;
1078     if (!(hmr = GlobalAlloc16(GMEM_MOVEABLE, len)))
1079         return FALSE;
1080     mr = (METARECORD *)GlobalLock16(hmr);
1081     memset(mr, 0, len);
1082
1083     mr->rdSize = len / 2;
1084     mr->rdFunction = META_TEXTOUT;
1085     *(mr->rdParam) = count;
1086     memcpy(mr->rdParam + 1, str, count);
1087     *(mr->rdParam + ((count + 1) >> 1) + 1) = y;
1088     *(mr->rdParam + ((count + 1) >> 1) + 2) = x;
1089     ret = MF_WriteRecord( dc, mr, mr->rdSize * 2);
1090     GlobalFree16(hmr);
1091     return ret;
1092 }
1093
1094 /******************************************************************
1095  *         MF_ExtTextOut
1096  */
1097 BOOL32 MF_ExtTextOut(DC*dc, short x, short y, UINT16 flags, const RECT16 *rect,
1098                      LPCSTR str, short count, const INT16 *lpDx)
1099 {
1100     BOOL32 ret;
1101     DWORD len;
1102     HGLOBAL16 hmr;
1103     METARECORD *mr;
1104
1105     len = sizeof(METARECORD) + (((count + 1) >> 1) * 2) + 2 * sizeof(short)
1106             + sizeof(UINT16) + sizeof(RECT16);
1107     if (lpDx)
1108      len+=count*sizeof(INT16);
1109     if (!(hmr = GlobalAlloc16(GMEM_MOVEABLE, len)))
1110         return FALSE;
1111     mr = (METARECORD *)GlobalLock16(hmr);
1112     memset(mr, 0, len);
1113
1114     mr->rdSize = len / 2;
1115     mr->rdFunction = META_EXTTEXTOUT;
1116     *(mr->rdParam) = y;
1117     *(mr->rdParam + 1) = x;
1118     *(mr->rdParam + 2) = count;
1119     *(mr->rdParam + 3) = flags;
1120     if (rect) memcpy(mr->rdParam + 4, rect, sizeof(RECT16));
1121     memcpy(mr->rdParam + 8, str, count);
1122     if (lpDx)
1123      memcpy(mr->rdParam + 8+ ((count + 1) >> 1),lpDx,count*sizeof(INT16));
1124     ret = MF_WriteRecord( dc, mr, mr->rdSize * 2);
1125     GlobalFree16(hmr);
1126     return ret;
1127 }
1128
1129 /******************************************************************
1130  *         MF_MetaPoly - implements Polygon and Polyline
1131  */
1132 BOOL32 MF_MetaPoly(DC *dc, short func, LPPOINT16 pt, short count)
1133 {
1134     BOOL32 ret;
1135     DWORD len;
1136     HGLOBAL16 hmr;
1137     METARECORD *mr;
1138
1139     len = sizeof(METARECORD) + (count * 4);
1140     if (!(hmr = GlobalAlloc16(GMEM_MOVEABLE, len)))
1141         return FALSE;
1142     mr = (METARECORD *)GlobalLock16(hmr);
1143     memset(mr, 0, len);
1144
1145     mr->rdSize = len / 2;
1146     mr->rdFunction = func;
1147     *(mr->rdParam) = count;
1148     memcpy(mr->rdParam + 1, pt, count * 4);
1149     ret = MF_WriteRecord( dc, mr, mr->rdSize * 2);
1150     GlobalFree16(hmr);
1151     return ret;
1152 }
1153
1154
1155 /******************************************************************
1156  *         MF_BitBlt
1157  */
1158 BOOL32 MF_BitBlt(DC *dcDest, short xDest, short yDest, short width,
1159                  short height, DC *dcSrc, short xSrc, short ySrc, DWORD rop)
1160 {
1161     BOOL32 ret;
1162     DWORD len;
1163     HGLOBAL16 hmr;
1164     METARECORD *mr;
1165     BITMAP16  BM;
1166
1167     GetObject16(dcSrc->w.hBitmap, sizeof(BITMAP16), &BM);
1168     len = sizeof(METARECORD) + 12 * sizeof(INT16) + BM.bmWidthBytes * BM.bmHeight;
1169     if (!(hmr = GlobalAlloc16(GMEM_MOVEABLE, len)))
1170         return FALSE;
1171     mr = (METARECORD *)GlobalLock16(hmr);
1172     mr->rdFunction = META_BITBLT;
1173     *(mr->rdParam + 7) = BM.bmWidth;
1174     *(mr->rdParam + 8) = BM.bmHeight;
1175     *(mr->rdParam + 9) = BM.bmWidthBytes;
1176     *(mr->rdParam +10) = BM.bmPlanes;
1177     *(mr->rdParam +11) = BM.bmBitsPixel;
1178     dprintf_metafile(stddeb,"MF_StretchBlt->len = %ld  rop=%lx  \n",len,rop);
1179     if (GetBitmapBits(dcSrc->w.hBitmap,BM.bmWidthBytes * BM.bmHeight,mr->rdParam +12))
1180     {
1181       mr->rdSize = len / sizeof(INT16);
1182       *(mr->rdParam) = HIWORD(rop);
1183       *(mr->rdParam + 1) = ySrc;
1184       *(mr->rdParam + 2) = xSrc;
1185       *(mr->rdParam + 3) = height;
1186       *(mr->rdParam + 4) = width;
1187       *(mr->rdParam + 5) = yDest;
1188       *(mr->rdParam + 6) = xDest;
1189       ret = MF_WriteRecord( dcDest, mr, mr->rdSize * 2);
1190     }
1191     else
1192         ret = FALSE;
1193     GlobalFree16(hmr);
1194     return ret;
1195 }
1196
1197
1198 /**********************************************************************
1199  *         MF_StretchBlt
1200  * this function contains TWO ways for procesing StretchBlt in metafiles,
1201  * decide between rdFunction values  META_STRETCHBLT or META_DIBSTRETCHBLT
1202  * via #define STRETCH_VIA_DIB
1203  */
1204 #define STRETCH_VIA_DIB
1205 #undef  STRETCH_VIA_DIB
1206 BOOL32 MF_StretchBlt(DC *dcDest, short xDest, short yDest, short widthDest,
1207                      short heightDest, DC *dcSrc, short xSrc, short ySrc,
1208                      short widthSrc, short heightSrc, DWORD rop)
1209 {
1210     BOOL32 ret;
1211     DWORD len;
1212     HGLOBAL16 hmr;
1213     METARECORD *mr;
1214     BITMAP16  BM;
1215 #ifdef STRETCH_VIA_DIB
1216     LPBITMAPINFOHEADER lpBMI;
1217     WORD nBPP;
1218 #endif
1219     GetObject16(dcSrc->w.hBitmap, sizeof(BITMAP16), &BM);
1220 #ifdef STRETCH_VIA_DIB
1221     nBPP = BM.bmPlanes * BM.bmBitsPixel;
1222     len = sizeof(METARECORD) + 10 * sizeof(INT16)
1223             + sizeof(BITMAPINFOHEADER) + (nBPP != 24 ? 1 << nBPP: 0) * sizeof(RGBQUAD)
1224               + ((BM.bmWidth * nBPP + 31) / 32) * 4 * BM.bmHeight;
1225     if (!(hmr = GlobalAlloc16(GMEM_MOVEABLE, len)))
1226         return FALSE;
1227     mr = (METARECORD *)GlobalLock16(hmr);
1228     mr->rdFunction = META_DIBSTRETCHBLT;
1229     lpBMI=(LPBITMAPINFOHEADER)(mr->rdParam+10);
1230     lpBMI->biSize      = sizeof(BITMAPINFOHEADER);
1231     lpBMI->biWidth     = BM.bmWidth;
1232     lpBMI->biHeight    = BM.bmHeight;
1233     lpBMI->biPlanes    = 1;
1234     lpBMI->biBitCount  = nBPP;                              /* 1,4,8 or 24 */
1235     lpBMI->biClrUsed   = nBPP != 24 ? 1 << nBPP : 0;
1236     lpBMI->biSizeImage = ((lpBMI->biWidth * nBPP + 31) / 32) * 4 * lpBMI->biHeight;
1237     lpBMI->biCompression = BI_RGB;
1238     lpBMI->biXPelsPerMeter = MulDiv32(GetDeviceCaps(dcSrc->hSelf,LOGPIXELSX),3937,100);
1239     lpBMI->biYPelsPerMeter = MulDiv32(GetDeviceCaps(dcSrc->hSelf,LOGPIXELSY),3937,100);
1240     lpBMI->biClrImportant  = 0;                          /* 1 meter  = 39.37 inch */
1241
1242     dprintf_metafile(stddeb,"MF_StretchBltViaDIB->len = %ld  rop=%lx  PixYPM=%ld Caps=%d\n",
1243                len,rop,lpBMI->biYPelsPerMeter,GetDeviceCaps(hdcSrc,LOGPIXELSY));
1244     if (GetDIBits(hdcSrc,dcSrc->w.hBitmap,0,(UINT)lpBMI->biHeight,
1245               MF_GetDIBitsPointer((LPBITMAPINFO)lpBMI),    /* DIB bits */
1246               (LPBITMAPINFO)lpBMI,DIB_RGB_COLORS))         /* DIB info structure */
1247 #else
1248     len = sizeof(METARECORD) + 15 * sizeof(INT16) + BM.bmWidthBytes * BM.bmHeight;
1249     if (!(hmr = GlobalAlloc16(GMEM_MOVEABLE, len)))
1250         return FALSE;
1251     mr = (METARECORD *)GlobalLock16(hmr);
1252     mr->rdFunction = META_STRETCHBLT;
1253     *(mr->rdParam +10) = BM.bmWidth;
1254     *(mr->rdParam +11) = BM.bmHeight;
1255     *(mr->rdParam +12) = BM.bmWidthBytes;
1256     *(mr->rdParam +13) = BM.bmPlanes;
1257     *(mr->rdParam +14) = BM.bmBitsPixel;
1258     dprintf_metafile(stddeb,"MF_StretchBlt->len = %ld  rop=%lx  \n",len,rop);
1259     if (GetBitmapBits(dcSrc->w.hBitmap,BM.bmWidthBytes * BM.bmHeight,mr->rdParam +15))
1260 #endif
1261     {
1262       mr->rdSize = len / sizeof(INT16);
1263       *(mr->rdParam) = LOWORD(rop);
1264       *(mr->rdParam + 1) = HIWORD(rop);
1265       *(mr->rdParam + 2) = heightSrc;
1266       *(mr->rdParam + 3) = widthSrc;
1267       *(mr->rdParam + 4) = ySrc;
1268       *(mr->rdParam + 5) = xSrc;
1269       *(mr->rdParam + 6) = heightDest;
1270       *(mr->rdParam + 7) = widthDest;
1271       *(mr->rdParam + 8) = yDest;
1272       *(mr->rdParam + 9) = xDest;
1273       ret = MF_WriteRecord( dcDest, mr, mr->rdSize * 2);
1274     }
1275     else
1276         ret = FALSE;
1277     GlobalFree16(hmr);
1278     return ret;
1279 }
1280
1281