dlls/gdi/mfdrv/init.c

   1 /*
   2  * Metafile driver initialisation functions
   3  *
   4  * Copyright 1996 Alexandre Julliard
   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "windef.h"
  22 #include "wine/winbase16.h"
  23 #include "gdi.h"
  24 #include "metafile.h"
  25 #include "mfdrv/metafiledrv.h"
  26 #include "wine/debug.h"
  27
  28 WINE_DEFAULT_DEBUG_CHANNEL(metafile);
  29
  30 #include <string.h>
  31
  32 static const DC_FUNCTIONS MFDRV_Funcs =
  33 {
  34     NULL,                            /* pAbortDoc */
  35     MFDRV_AbortPath,                 /* pAbortPath */
  36     NULL,                            /* pAngleArc */
  37     MFDRV_Arc,                       /* pArc */
  38     NULL,                            /* pArcTo */
  39     MFDRV_BeginPath,                 /* pBeginPath */
  40     MFDRV_BitBlt,                    /* pBitBlt */
  41     NULL,                            /* pChoosePixelFormat */
  42     MFDRV_Chord,                     /* pChord */
  43     MFDRV_CloseFigure,               /* pCloseFigure */
  44     NULL,                            /* pCreateBitmap */
  45     NULL,                            /* pCreateDC */
  46     NULL,                            /* pCreateDIBSection */
  47     NULL,                            /* pDeleteBitmap */
  48     NULL,                            /* pDeleteDC */
  49     NULL,                            /* pDescribePixelFormat */
  50     NULL,                            /* pDeviceCapabilities */
  51     MFDRV_Ellipse,                   /* pEllipse */
  52     NULL,                            /* pEndDoc */
  53     NULL,                            /* pEndPage */
  54     MFDRV_EndPath,                   /* pEndPath */
  55     NULL,                            /* pEnumDeviceFonts */
  56     MFDRV_ExcludeClipRect,           /* pExcludeClipRect */
  57     NULL,                            /* pExtDeviceMode */
  58     MFDRV_ExtEscape,                 /* pExtEscape */
  59     MFDRV_ExtFloodFill,              /* pExtFloodFill */
  60     MFDRV_ExtSelectClipRgn,          /* pExtSelectClipRgn */
  61     MFDRV_ExtTextOut,                /* pExtTextOut */
  62     MFDRV_FillPath,                  /* pFillPath */
  63     MFDRV_FillRgn,                   /* pFillRgn */
  64     MFDRV_FlattenPath,               /* pFlattenPath */
  65     MFDRV_FrameRgn,                  /* pFrameRgn */
  66     NULL,                            /* pGetBitmapBits */
  67     NULL,                            /* pGetCharWidth */
  68     NULL,                            /* pGetDCOrgEx */
  69     NULL,                            /* pGetDIBColorTable */
  70     NULL,                            /* pGetDIBits */
  71     NULL,                            /* pGetDeviceCaps */
  72     NULL,                            /* pGetDeviceGammaRamp */
  73     NULL,                            /* pGetNearestColor */
  74     NULL,                            /* pGetPixel */
  75     NULL,                            /* pGetPixelFormat */
  76     NULL,                            /* pGetSystemPaletteEntries */
  77     NULL,                            /* pGetTextExtentPoint */
  78     NULL,                            /* pGetTextMetrics */
  79     MFDRV_IntersectClipRect,         /* pIntersectClipRect */
  80     MFDRV_InvertRgn,                 /* pInvertRgn */
  81     MFDRV_LineTo,                    /* pLineTo */
  82     MFDRV_MoveTo,                    /* pMoveTo */
  83     MFDRV_OffsetClipRgn,             /* pOffsetClipRgn */
  84     MFDRV_OffsetViewportOrg,         /* pOffsetViewportOrg */
  85     MFDRV_OffsetWindowOrg,           /* pOffsetWindowOrg */
  86     MFDRV_PaintRgn,                  /* pPaintRgn */
  87     MFDRV_PatBlt,                    /* pPatBlt */
  88     MFDRV_Pie,                       /* pPie */
  89     MFDRV_PolyBezier,                /* pPolyBezier */
  90     MFDRV_PolyBezierTo,              /* pPolyBezierTo */
  91     NULL,                            /* pPolyDraw */
  92     MFDRV_PolyPolygon,               /* pPolyPolygon */
  93     NULL,                            /* pPolyPolyline */
  94     MFDRV_Polygon,                   /* pPolygon */
  95     MFDRV_Polyline,                  /* pPolyline */
  96     NULL,                            /* pPolylineTo */
  97     NULL,                            /* pRealizeDefaultPalette */
  98     NULL,                            /* pRealizePalette */
  99     MFDRV_Rectangle,                 /* pRectangle */
 100     NULL,                            /* pResetDC */
 101     MFDRV_RestoreDC,                 /* pRestoreDC */
 102     MFDRV_RoundRect,                 /* pRoundRect */
 103     MFDRV_SaveDC,                    /* pSaveDC */
 104     MFDRV_ScaleViewportExt,          /* pScaleViewportExt */
 105     MFDRV_ScaleWindowExt,            /* pScaleWindowExt */
 106     MFDRV_SelectBitmap,              /* pSelectBitmap */
 107     MFDRV_SelectBrush,               /* pSelectBrush */
 108     MFDRV_SelectClipPath,            /* pSelectClipPath */
 109     MFDRV_SelectFont,                /* pSelectFont */
 110     NULL,                            /* pSelectPalette */
 111     MFDRV_SelectPen,                 /* pSelectPen */
 112     NULL,                            /* pSetBitmapBits */
 113     MFDRV_SetBkColor,                /* pSetBkColor */
 114     MFDRV_SetBkMode,                 /* pSetBkMode */
 115     NULL,                            /* pSetDIBColorTable */
 116     NULL,                            /* pSetDIBits */
 117     MFDRV_SetDIBitsToDevice,         /* pSetDIBitsToDevice */
 118     NULL,                            /* pSetDeviceClipping */
 119     NULL,                            /* pSetDeviceGammaRamp */
 120     MFDRV_SetMapMode,                /* pSetMapMode */
 121     MFDRV_SetMapperFlags,            /* pSetMapperFlags */
 122     MFDRV_SetPixel,                  /* pSetPixel */
 123     NULL,                            /* pSetPixelFormat */
 124     MFDRV_SetPolyFillMode,           /* pSetPolyFillMode */
 125     MFDRV_SetROP2,                   /* pSetROP2 */
 126     MFDRV_SetRelAbs,                 /* pSetRelAbs */
 127     MFDRV_SetStretchBltMode,         /* pSetStretchBltMode */
 128     MFDRV_SetTextAlign,              /* pSetTextAlign */
 129     MFDRV_SetTextCharacterExtra,     /* pSetTextCharacterExtra */
 130     MFDRV_SetTextColor,              /* pSetTextColor */
 131     MFDRV_SetTextJustification,      /* pSetTextJustification */
 132     MFDRV_SetViewportExt,            /* pSetViewportExt */
 133     MFDRV_SetViewportOrg,            /* pSetViewportOrg */
 134     MFDRV_SetWindowExt,              /* pSetWindowExt */
 135     MFDRV_SetWindowOrg,              /* pSetWindowOrg */
 136     NULL,                            /* pStartDoc */
 137     NULL,                            /* pStartPage */
 138     MFDRV_StretchBlt,                /* pStretchBlt */
 139     MFDRV_StretchDIBits,             /* pStretchDIBits */
 140     MFDRV_StrokeAndFillPath,         /* pStrokeAndFillPath */
 141     MFDRV_StrokePath,                /* pStrokePath */
 142     NULL,                            /* pSwapBuffers */
 143     MFDRV_WidenPath                  /* pWidenPath */
 144 };
 145
 146
 147
 148 /**********************************************************************
 149  *           MFDRV_AllocMetaFile
 150  */
 151 static DC *MFDRV_AllocMetaFile(void)
 152 {
 153     DC *dc;
 154     METAFILEDRV_PDEVICE *physDev;
 155
 156     if (!(dc = DC_AllocDC( &MFDRV_Funcs ))) return NULL;
 157     dc->header.wMagic = METAFILE_DC_MAGIC;
 158
 159     physDev = (METAFILEDRV_PDEVICE *)HeapAlloc(GetProcessHeap(),0,sizeof(*physDev));
 160     if (!physDev)
 161     {
 162         GDI_FreeObject( dc->hSelf, dc );
 163         return NULL;
 164     }
 165     dc->physDev = (PHYSDEV)physDev;
 166     physDev->hdc = dc->hSelf;
 167     physDev->dc = dc;
 168
 169     if (!(physDev->mh = HeapAlloc( GetProcessHeap(), 0, sizeof(*physDev->mh) )))
 170     {
 171         HeapFree( GetProcessHeap(), 0, physDev );
 172         GDI_FreeObject( dc->hSelf, dc );
 173         return NULL;
 174     }
 175
 176     physDev->nextHandle = 0;
 177     physDev->hFile = 0;
 178
 179     physDev->mh->mtHeaderSize   = sizeof(METAHEADER) / sizeof(WORD);
 180     physDev->mh->mtVersion      = 0x0300;
 181     physDev->mh->mtSize         = physDev->mh->mtHeaderSize;
 182     physDev->mh->mtNoObjects    = 0;
 183     physDev->mh->mtMaxRecord    = 0;
 184     physDev->mh->mtNoParameters = 0;
 185
 186     return dc;
 187 }
 188
 189
 190 /**********************************************************************
 191  *           MFDRV_DeleteDC
 192  */
 193 static BOOL MFDRV_DeleteDC( PHYSDEV dev )
 194 {
 195     METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dev;
 196     DC *dc = physDev->dc;
 197
 198     if (physDev->mh) HeapFree( GetProcessHeap(), 0, physDev->mh );
 199     HeapFree( GetProcessHeap(), 0, physDev );
 200     dc->physDev = NULL;
 201     GDI_FreeObject( dc->hSelf, dc );
 202     return TRUE;
 203 }
 204
 205 /**********************************************************************
 206  *           CreateMetaFile     (GDI.125)
 207  *           CreateMetaFile16   (GDI32.@)
 208  *
 209  *  Create a new DC and associate it with a metafile. Pass a filename
 210  *  to create a disk-based metafile, NULL to create a memory metafile.
 211  *
 212  * RETURNS
 213  *  A handle to the metafile DC if successful, NULL on failure.
 214  */
 215 HDC16 WINAPI CreateMetaFile16(
 216                               LPCSTR filename /* [in] Filename of disk metafile */
 217 )
 218 {
 219     HDC ret;
 220     DC *dc;
 221     METAFILEDRV_PDEVICE *physDev;
 222     HFILE hFile;
 223
 224     TRACE("'%s'\n", filename );
 225
 226     if (!(dc = MFDRV_AllocMetaFile())) return 0;
 227     physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 228
 229     if (filename)  /* disk based metafile */
 230     {
 231         physDev->mh->mtType = METAFILE_DISK;
 232         if ((hFile = CreateFileA(filename, GENERIC_WRITE, 0, NULL,
 233                                 CREATE_ALWAYS, 0, 0)) == INVALID_HANDLE_VALUE) {
 234             MFDRV_DeleteDC( dc->physDev );
 235             return 0;
 236         }
 237         if (!WriteFile( hFile, (LPSTR)physDev->mh, sizeof(*physDev->mh), NULL,
 238                         NULL )) {
 239             MFDRV_DeleteDC( dc->physDev );
 240             return 0;
 241         }
 242         physDev->hFile = hFile;
 243
 244         /* Grow METAHEADER to include filename */
 245         physDev->mh = MF_CreateMetaHeaderDisk(physDev->mh, filename);
 246     }
 247     else  /* memory based metafile */
 248         physDev->mh->mtType = METAFILE_MEMORY;
 249
 250     TRACE("returning %04x\n", dc->hSelf);
 251     ret = dc->hSelf;
 252     GDI_ReleaseObj( dc->hSelf );
 253     return ret;
 254 }
 255
 256 /**********************************************************************
 257  *           CreateMetaFileA   (GDI32.@)
 258  */
 259 HDC WINAPI CreateMetaFileA(
 260                               LPCSTR filename /* [in] Filename of disk metafile */
 261 )
 262 {
 263   return CreateMetaFile16( filename );
 264 }
 265
 266 /**********************************************************************
 267  *          CreateMetaFileW   (GDI32.@)
 268  */
 269 HDC WINAPI CreateMetaFileW(LPCWSTR filename)
 270 {
 271     LPSTR filenameA;
 272     DWORD len;
 273     HDC hReturnDC;
 274
 275     len = WideCharToMultiByte( CP_ACP, 0, filename, -1, NULL, 0, NULL, NULL );
 276     filenameA = HeapAlloc( GetProcessHeap(), 0, len );
 277     WideCharToMultiByte( CP_ACP, 0, filename, -1, filenameA, len, NULL, NULL );
 278
 279     hReturnDC = CreateMetaFileA(filenameA);
 280
 281     HeapFree( GetProcessHeap(), 0, filenameA );
 282
 283     return hReturnDC;
 284 }
 285
 286
 287 /**********************************************************************
 288  *          MFDRV_CloseMetaFile
 289  */
 290 static DC *MFDRV_CloseMetaFile( HDC hdc )
 291 {
 292     DC *dc;
 293     METAFILEDRV_PDEVICE *physDev;
 294
 295     TRACE("(%04x)\n", hdc );
 296
 297     if (!(dc = (DC *) GDI_GetObjPtr( hdc, METAFILE_DC_MAGIC ))) return 0;
 298     physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 299
 300     /* Construct the end of metafile record - this is documented
 301      * in SDK Knowledgebase Q99334.
 302      */
 303
 304     if (!MFDRV_MetaParam0(dc->physDev, META_EOF))
 305     {
 306         MFDRV_DeleteDC( dc->physDev );
 307         return 0;
 308     }
 309
 310     if (physDev->mh->mtType == METAFILE_DISK)  /* disk based metafile */
 311     {
 312         if (SetFilePointer(physDev->hFile, 0, NULL, FILE_BEGIN) != 0) {
 313             MFDRV_DeleteDC( dc->physDev );
 314             return 0;
 315         }
 316
 317         physDev->mh->mtType = METAFILE_MEMORY; /* This is what windows does */
 318         if (!WriteFile(physDev->hFile, (LPSTR)physDev->mh,
 319                        sizeof(*physDev->mh), NULL, NULL)) {
 320             MFDRV_DeleteDC( dc->physDev );
 321             return 0;
 322         }
 323         CloseHandle(physDev->hFile);
 324         physDev->mh->mtType = METAFILE_DISK;
 325     }
 326
 327     return dc;
 328 }
 329
 330 /******************************************************************
 331  *           CloseMetaFile     (GDI.126)
 332  *           CloseMetaFile16   (GDI32.@)
 333  */
 334 HMETAFILE16 WINAPI CloseMetaFile16(
 335                                    HDC16 hdc /* [in] Metafile DC to close */
 336 )
 337 {
 338     HMETAFILE16 hmf;
 339     METAFILEDRV_PDEVICE *physDev;
 340     DC *dc = MFDRV_CloseMetaFile(hdc);
 341     if (!dc) return 0;
 342     physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 343
 344     /* Now allocate a global handle for the metafile */
 345
 346     hmf = MF_Create_HMETAFILE16( physDev->mh );
 347
 348     physDev->mh = NULL;  /* So it won't be deleted */
 349     MFDRV_DeleteDC( dc->physDev );
 350     return hmf;
 351 }
 352
 353 /******************************************************************
 354  *           CloseMetaFile   (GDI32.@)
 355  *
 356  *  Stop recording graphics operations in metafile associated with
 357  *  hdc and retrieve metafile.
 358  *
 359  * RETURNS
 360  *  Handle of newly created metafile on success, NULL on failure.
 361  */
 362 HMETAFILE WINAPI CloseMetaFile(
 363                                    HDC hdc /* [in] Metafile DC to close */
 364 )
 365 {
 366     HMETAFILE hmf;
 367     METAFILEDRV_PDEVICE *physDev;
 368     DC *dc = MFDRV_CloseMetaFile(hdc);
 369     if (!dc) return 0;
 370     physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 371
 372     /* Now allocate a global handle for the metafile */
 373
 374     hmf = MF_Create_HMETAFILE( physDev->mh );
 375
 376     physDev->mh = NULL;  /* So it won't be deleted */
 377     MFDRV_DeleteDC( dc->physDev );
 378     return hmf;
 379 }
 380
 381
 382 /******************************************************************
 383  *         MFDRV_WriteRecord
 384  *
 385  * Warning: this function can change the pointer to the metafile header.
 386  */
 387 BOOL MFDRV_WriteRecord( PHYSDEV dev, METARECORD *mr, DWORD rlen)
 388 {
 389     DWORD len;
 390     METAHEADER *mh;
 391     METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dev;
 392
 393     switch(physDev->mh->mtType)
 394     {
 395     case METAFILE_MEMORY:
 396         len = physDev->mh->mtSize * 2 + rlen;
 397         mh = HeapReAlloc( GetProcessHeap(), 0, physDev->mh, len );
 398         if (!mh) return FALSE;
 399         physDev->mh = mh;
 400         memcpy((WORD *)physDev->mh + physDev->mh->mtSize, mr, rlen);
 401         break;
 402     case METAFILE_DISK:
 403         TRACE("Writing record to disk\n");
 404         if (!WriteFile(physDev->hFile, (char *)mr, rlen, NULL, NULL))
 405             return FALSE;
 406         break;
 407     default:
 408         ERR("Unknown metafile type %d\n", physDev->mh->mtType );
 409         return FALSE;
 410     }
 411
 412     physDev->mh->mtSize += rlen / 2;
 413     physDev->mh->mtMaxRecord = max(physDev->mh->mtMaxRecord, rlen / 2);
 414     return TRUE;
 415 }
 416
 417
 418 /******************************************************************
 419  *         MFDRV_MetaParam0
 420  */
 421
 422 BOOL MFDRV_MetaParam0(PHYSDEV dev, short func)
 423 {
 424     char buffer[8];
 425     METARECORD *mr = (METARECORD *)&buffer;
 426
 427     mr->rdSize = 3;
 428     mr->rdFunction = func;
 429     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 430 }
 431
 432
 433 /******************************************************************
 434  *         MFDRV_MetaParam1
 435  */
 436 BOOL MFDRV_MetaParam1(PHYSDEV dev, short func, short param1)
 437 {
 438     char buffer[8];
 439     METARECORD *mr = (METARECORD *)&buffer;
 440
 441     mr->rdSize = 4;
 442     mr->rdFunction = func;
 443     *(mr->rdParm) = param1;
 444     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 445 }
 446
 447
 448 /******************************************************************
 449  *         MFDRV_MetaParam2
 450  */
 451 BOOL MFDRV_MetaParam2(PHYSDEV dev, short func, short param1, short param2)
 452 {
 453     char buffer[10];
 454     METARECORD *mr = (METARECORD *)&buffer;
 455
 456     mr->rdSize = 5;
 457     mr->rdFunction = func;
 458     *(mr->rdParm) = param2;
 459     *(mr->rdParm + 1) = param1;
 460     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 461 }
 462
 463
 464 /******************************************************************
 465  *         MFDRV_MetaParam4
 466  */
 467
 468 BOOL MFDRV_MetaParam4(PHYSDEV dev, short func, short param1, short param2,
 469                       short param3, short param4)
 470 {
 471     char buffer[14];
 472     METARECORD *mr = (METARECORD *)&buffer;
 473
 474     mr->rdSize = 7;
 475     mr->rdFunction = func;
 476     *(mr->rdParm) = param4;
 477     *(mr->rdParm + 1) = param3;
 478     *(mr->rdParm + 2) = param2;
 479     *(mr->rdParm + 3) = param1;
 480     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 481 }
 482
 483
 484 /******************************************************************
 485  *         MFDRV_MetaParam6
 486  */
 487
 488 BOOL MFDRV_MetaParam6(PHYSDEV dev, short func, short param1, short param2,
 489                       short param3, short param4, short param5, short param6)
 490 {
 491     char buffer[18];
 492     METARECORD *mr = (METARECORD *)&buffer;
 493
 494     mr->rdSize = 9;
 495     mr->rdFunction = func;
 496     *(mr->rdParm) = param6;
 497     *(mr->rdParm + 1) = param5;
 498     *(mr->rdParm + 2) = param4;
 499     *(mr->rdParm + 3) = param3;
 500     *(mr->rdParm + 4) = param2;
 501     *(mr->rdParm + 5) = param1;
 502     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 503 }
 504
 505
 506 /******************************************************************
 507  *         MFDRV_MetaParam8
 508  */
 509 BOOL MFDRV_MetaParam8(PHYSDEV dev, short func, short param1, short param2,
 510                       short param3, short param4, short param5,
 511                       short param6, short param7, short param8)
 512 {
 513     char buffer[22];
 514     METARECORD *mr = (METARECORD *)&buffer;
 515
 516     mr->rdSize = 11;
 517     mr->rdFunction = func;
 518     *(mr->rdParm) = param8;
 519     *(mr->rdParm + 1) = param7;
 520     *(mr->rdParm + 2) = param6;
 521     *(mr->rdParm + 3) = param5;
 522     *(mr->rdParm + 4) = param4;
 523     *(mr->rdParm + 5) = param3;
 524     *(mr->rdParm + 6) = param2;
 525     *(mr->rdParm + 7) = param1;
 526     return MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
 527 }
 528
 529
 530 /******************************************************************
 531  *         MFDRV_AddHandleDC
 532  *
 533  * Note: this function assumes that we never delete objects.
 534  * If we do someday, we'll need to maintain a table to re-use deleted
 535  * handles.
 536  */
 537 int MFDRV_AddHandleDC( PHYSDEV dev )
 538 {
 539     METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dev;
 540     physDev->mh->mtNoObjects++;
 541     return physDev->nextHandle++;
 542 }
 543
 544 /**********************************************************************
 545  *           MFDRV_ExtEscape
 546  */
 547 INT MFDRV_ExtEscape( PHYSDEV dev, INT nEscape, INT cbInput, LPCVOID in_data,
 548                      INT cbOutput, LPVOID out_data )
 549 {
 550     METARECORD *mr;
 551     DWORD len;
 552
 553     if(nEscape == MFCOMMENT) {
 554         len = sizeof(*mr) + sizeof(WORD) + ((cbInput + 1) & ~1);
 555         mr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
 556         mr->rdSize = len / 2;
 557         mr->rdFunction = META_ESCAPE;
 558         mr->rdParm[0] = nEscape;
 559         mr->rdParm[1] = cbInput;
 560         memcpy(&(mr->rdParm[2]), in_data, cbInput);
 561         MFDRV_WriteRecord( dev, mr, len);
 562         HeapFree(GetProcessHeap(), 0, mr);
 563         return 1;
 564     }
 565     return 0;
 566 }