graphics/metafiledrv/init.c

   1 /*
   2  * Metafile driver initialisation functions
   3  *
   4  * Copyright 1996 Alexandre Julliard
   5  */
   6
   7 #include "windef.h"
   8 #include "wine/winbase16.h"
   9 #include "dc.h"
  10 #include "heap.h"
  11 #include "global.h"
  12 #include "metafile.h"
  13 #include "metafiledrv.h"
  14 #include "debugtools.h"
  15
  16 DEFAULT_DEBUG_CHANNEL(metafile)
  17
  18 #include <string.h>
  19
  20 static const DC_FUNCTIONS MFDRV_Funcs =
  21 {
  22     NULL,                            /* pAbortDoc */
  23     MFDRV_AbortPath,                 /* pAbortPath */
  24     NULL,                            /* pAngleArc */
  25     MFDRV_Arc,                       /* pArc */
  26     NULL,                            /* pArcTo */
  27     MFDRV_BeginPath,                 /* pBeginPath */
  28     MFDRV_BitBlt,                    /* pBitBlt */
  29     NULL,                            /* pBitmapBits */
  30     NULL,                            /* pChoosePixelFormat */
  31     MFDRV_Chord,                     /* pChord */
  32     MFDRV_CloseFigure,               /* pCloseFigure */
  33     NULL,                            /* pCreateBitmap */
  34     NULL, /* no implementation */    /* pCreateDC */
  35     NULL,                            /* pCreateDIBSection */
  36     NULL,                            /* pCreateDIBSection16 */
  37     NULL, /* no implementation */    /* pDeleteDC */
  38     NULL,                            /* pDeleteObject */
  39     NULL,                            /* pDescribePixelFormat */
  40     NULL,                            /* pDeviceCapabilities */
  41     MFDRV_Ellipse,                   /* pEllipse */
  42     NULL,                            /* pEndDoc */
  43     NULL,                            /* pEndPage */
  44     MFDRV_EndPath,                   /* pEndPath */
  45     NULL,                            /* pEnumDeviceFonts */
  46     NULL,                            /* pEscape */
  47     MFDRV_ExcludeClipRect,           /* pExcludeClipRect */
  48     NULL,                            /* pExtDeviceMode */
  49     MFDRV_ExtFloodFill,              /* pExtFloodFill */
  50     MFDRV_ExtTextOut,                /* pExtTextOut */
  51     MFDRV_FillPath,                  /* pFillPath */
  52     MFDRV_FillRgn,                   /* pFillRgn */
  53     MFDRV_FlattenPath,               /* pFlattenPath */
  54     MFDRV_FrameRgn,                  /* pFrameRgn */
  55     NULL,                            /* pGetCharWidth */
  56     NULL,                            /* pGetDCOrgEx */
  57     NULL, /* no implementation */    /* pGetPixel */
  58     NULL,                            /* pGetPixelFormat */
  59     NULL,                            /* pGetTextExtentPoint */
  60     NULL,                            /* pGetTextMetrics */
  61     MFDRV_IntersectClipRect,         /* pIntersectClipRect */
  62     MFDRV_InvertRgn,                 /* pInvertRgn */
  63     MFDRV_LineTo,                    /* pLineTo */
  64     MFDRV_MoveToEx,                  /* pMoveToEx */
  65     MFDRV_OffsetClipRgn,             /* pOffsetClipRgn */
  66     MFDRV_OffsetViewportOrg,         /* pOffsetViewportOrg */
  67     MFDRV_OffsetWindowOrg,           /* pOffsetWindowOrg */
  68     MFDRV_PaintRgn,                  /* pPaintRgn */
  69     MFDRV_PatBlt,                    /* pPatBlt */
  70     MFDRV_Pie,                       /* pPie */
  71     MFDRV_PolyBezier,                /* pPolyBezier */
  72     MFDRV_PolyBezierTo,              /* pPolyBezierTo */
  73     NULL,                            /* pPolyDraw */
  74     MFDRV_PolyPolygon,               /* pPolyPolygon */
  75     NULL,                            /* pPolyPolyline */
  76     MFDRV_Polygon,                   /* pPolygon */
  77     MFDRV_Polyline,                  /* pPolyline */
  78     NULL,                            /* pPolylineTo */
  79     NULL,                            /* pRealizePalette */
  80     MFDRV_Rectangle,                 /* pRectangle */
  81     MFDRV_RestoreDC,                 /* pRestoreDC */
  82     MFDRV_RoundRect,                 /* pRoundRect */
  83     MFDRV_SaveDC,                    /* pSaveDC */
  84     MFDRV_ScaleViewportExt,          /* pScaleViewportExt */
  85     MFDRV_ScaleWindowExt,            /* pScaleWindowExt */
  86     MFDRV_SelectClipPath,            /* pSelectClipPath */
  87     NULL,                            /* pSelectClipRgn */
  88     MFDRV_SelectObject,              /* pSelectObject */
  89     NULL,                            /* pSelectPalette */
  90     MFDRV_SetBkColor,                /* pSetBkColor */
  91     MFDRV_SetBkMode,                 /* pSetBkMode */
  92     NULL,                            /* pSetDeviceClipping */
  93     MFDRV_SetDIBitsToDevice,         /* pSetDIBitsToDevice */
  94     MFDRV_SetMapMode,                /* pSetMapMode */
  95     MFDRV_SetMapperFlags,            /* pSetMapperFlags */
  96     MFDRV_SetPixel,                  /* pSetPixel */
  97     NULL,                            /* pSetPixelFormat */
  98     MFDRV_SetPolyFillMode,           /* pSetPolyFillMode */
  99     MFDRV_SetROP2,                   /* pSetROP2 */
 100     MFDRV_SetRelAbs,                 /* pSetRelAbs */
 101     MFDRV_SetStretchBltMode,         /* pSetStretchBltMode */
 102     MFDRV_SetTextAlign,              /* pSetTextAlign */
 103     MFDRV_SetTextCharacterExtra,     /* pSetTextCharacterExtra */
 104     MFDRV_SetTextColor,              /* pSetTextColor */
 105     MFDRV_SetTextJustification,      /* pSetTextJustification */
 106     MFDRV_SetViewportExt,            /* pSetViewportExt */
 107     MFDRV_SetViewportOrg,            /* pSetViewportOrg */
 108     MFDRV_SetWindowExt,              /* pSetWindowExt */
 109     MFDRV_SetWindowOrg,              /* pSetWindowOrg */
 110     NULL,                            /* pStartDoc */
 111     NULL,                            /* pStartPage */
 112     MFDRV_StretchBlt,                /* pStretchBlt */
 113     MFDRV_StretchDIBits,             /* pStretchDIBits */
 114     MFDRV_StrokeAndFillPath,         /* pStrokeAndFillPath */
 115     MFDRV_StrokePath,                /* pStrokePath */
 116     NULL,                            /* pSwapBuffers */
 117     MFDRV_WidenPath                  /* pWidenPath */
 118 };
 119
 120
 121
 122 /**********************************************************************
 123  *           MFDRV_AllocMetaFile
 124  */
 125 static DC *MFDRV_AllocMetaFile(void)
 126 {
 127     DC *dc;
 128     METAFILEDRV_PDEVICE *physDev;
 129
 130     if (!(dc = DC_AllocDC( &MFDRV_Funcs ))) return NULL;
 131     dc->header.wMagic = METAFILE_DC_MAGIC;
 132
 133     physDev = (METAFILEDRV_PDEVICE *)HeapAlloc(GetProcessHeap(),0,sizeof(*physDev));
 134     if (!physDev)
 135     {
 136         GDI_FreeObject( dc->hSelf, dc );
 137         return NULL;
 138     }
 139     dc->physDev = physDev;
 140
 141     if (!(physDev->mh = HeapAlloc( GetProcessHeap(), 0, sizeof(*physDev->mh) )))
 142     {
 143         HeapFree( GetProcessHeap(), 0, physDev );
 144         GDI_FreeObject( dc->hSelf, dc );
 145         return NULL;
 146     }
 147
 148     physDev->nextHandle = 0;
 149     physDev->hFile = 0;
 150
 151     physDev->mh->mtHeaderSize   = sizeof(METAHEADER) / sizeof(WORD);
 152     physDev->mh->mtVersion      = 0x0300;
 153     physDev->mh->mtSize         = physDev->mh->mtHeaderSize;
 154     physDev->mh->mtNoObjects    = 0;
 155     physDev->mh->mtMaxRecord    = 0;
 156     physDev->mh->mtNoParameters = 0;
 157
 158     return dc;
 159 }
 160
 161
 162 /**********************************************************************
 163  *           MFDRV_DeleteDC
 164  */
 165 static BOOL MFDRV_DeleteDC( DC *dc )
 166 {
 167     METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 168
 169     if (physDev->mh) HeapFree( GetProcessHeap(), 0, physDev->mh );
 170     HeapFree( GetProcessHeap(), 0, physDev );
 171     dc->physDev = NULL;
 172     GDI_FreeObject( dc->hSelf, dc );
 173     return TRUE;
 174 }
 175
 176 /**********************************************************************
 177  *           CreateMetaFile16   (GDI.125)
 178  *
 179  *  Create a new DC and associate it with a metafile. Pass a filename
 180  *  to create a disk-based metafile, NULL to create a memory metafile.
 181  *
 182  * RETURNS
 183  *  A handle to the metafile DC if successful, NULL on failure.
 184  */
 185 HDC16 WINAPI CreateMetaFile16(
 186                               LPCSTR filename /* Filename of disk metafile */
 187 )
 188 {
 189     HDC ret;
 190     DC *dc;
 191     METAFILEDRV_PDEVICE *physDev;
 192     HFILE hFile;
 193
 194     TRACE("'%s'\n", filename );
 195
 196     if (!(dc = MFDRV_AllocMetaFile())) return 0;
 197     physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 198
 199     if (filename)  /* disk based metafile */
 200     {
 201         physDev->mh->mtType = METAFILE_DISK;
 202         if ((hFile = CreateFileA(filename, GENERIC_WRITE, 0, NULL,
 203                                 CREATE_ALWAYS, 0, -1)) == HFILE_ERROR) {
 204             MFDRV_DeleteDC( dc );
 205             return 0;
 206         }
 207         if (!WriteFile( hFile, (LPSTR)physDev->mh, sizeof(*physDev->mh), NULL,
 208                         NULL )) {
 209             MFDRV_DeleteDC( dc );
 210             return 0;
 211         }
 212         physDev->hFile = hFile;
 213
 214         /* Grow METAHEADER to include filename */
 215         physDev->mh = MF_CreateMetaHeaderDisk(physDev->mh, filename);
 216     }
 217     else  /* memory based metafile */
 218         physDev->mh->mtType = METAFILE_MEMORY;
 219
 220     TRACE("returning %04x\n", dc->hSelf);
 221     ret = dc->hSelf;
 222     GDI_ReleaseObj( dc->hSelf );
 223     return ret;
 224 }
 225
 226 /**********************************************************************
 227  *           CreateMetaFileA   (GDI32.51)
 228  */
 229 HDC WINAPI CreateMetaFileA(
 230                               LPCSTR filename /* Filename of disk metafile */
 231 )
 232 {
 233   return CreateMetaFile16( filename );
 234 }
 235
 236 /**********************************************************************
 237  *          CreateMetaFileW   (GDI32.52)
 238  */
 239 HDC WINAPI CreateMetaFileW(LPCWSTR filename)
 240 {
 241     LPSTR filenameA;
 242     HDC hReturnDC;
 243
 244     filenameA = HEAP_strdupWtoA( GetProcessHeap(), 0, filename );
 245
 246     hReturnDC = CreateMetaFileA(filenameA);
 247
 248     HeapFree( GetProcessHeap(), 0, filenameA );
 249
 250     return hReturnDC;
 251 }
 252
 253
 254 /**********************************************************************
 255  *          MFDRV_CloseMetaFile
 256  */
 257 static DC *MFDRV_CloseMetaFile( HDC hdc )
 258 {
 259     DC *dc;
 260     METAFILEDRV_PDEVICE *physDev;
 261
 262     TRACE("(%04x)\n", hdc );
 263
 264     if (!(dc = (DC *) GDI_GetObjPtr( hdc, METAFILE_DC_MAGIC ))) return 0;
 265     physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 266
 267     /* Construct the end of metafile record - this is documented
 268      * in SDK Knowledgebase Q99334.
 269      */
 270
 271     if (!MFDRV_MetaParam0(dc, META_EOF))
 272     {
 273         MFDRV_DeleteDC( dc );
 274         return 0;
 275     }
 276
 277     if (physDev->mh->mtType == METAFILE_DISK)  /* disk based metafile */
 278     {
 279         if (SetFilePointer(physDev->hFile, 0, NULL, FILE_BEGIN) != 0) {
 280             MFDRV_DeleteDC( dc );
 281             return 0;
 282         }
 283
 284         physDev->mh->mtType = METAFILE_MEMORY; /* This is what windows does */
 285         if (!WriteFile(physDev->hFile, (LPSTR)physDev->mh,
 286                        sizeof(*physDev->mh), NULL, NULL)) {
 287             MFDRV_DeleteDC( dc );
 288             return 0;
 289         }
 290         CloseHandle(physDev->hFile);
 291         physDev->mh->mtType = METAFILE_DISK;
 292     }
 293
 294     return dc;
 295 }
 296
 297 /******************************************************************
 298  *           CloseMetaFile16   (GDI.126)
 299  */
 300 HMETAFILE16 WINAPI CloseMetaFile16(
 301                                    HDC16 hdc /* Metafile DC to close */
 302 )
 303 {
 304     HMETAFILE16 hmf;
 305     METAFILEDRV_PDEVICE *physDev;
 306     DC *dc = MFDRV_CloseMetaFile(hdc);
 307     if (!dc) return 0;
 308     physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 309
 310     /* Now allocate a global handle for the metafile */
 311
 312     hmf = MF_Create_HMETAFILE16( physDev->mh );
 313
 314     physDev->mh = NULL;  /* So it won't be deleted */
 315     MFDRV_DeleteDC( dc );
 316     return hmf;
 317 }
 318
 319 /******************************************************************
 320  *           CloseMetaFile   (GDI32.17)
 321  *
 322  *  Stop recording graphics operations in metafile associated with
 323  *  hdc and retrieve metafile.
 324  *
 325  * RETURNS
 326  *  Handle of newly created metafile on success, NULL on failure.
 327  */
 328 HMETAFILE WINAPI CloseMetaFile(
 329                                    HDC hdc /* Metafile DC to close */
 330 )
 331 {
 332     HMETAFILE hmf;
 333     METAFILEDRV_PDEVICE *physDev;
 334     DC *dc = MFDRV_CloseMetaFile(hdc);
 335     if (!dc) return 0;
 336     physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 337
 338     /* Now allocate a global handle for the metafile */
 339
 340     hmf = MF_Create_HMETAFILE( physDev->mh );
 341
 342     physDev->mh = NULL;  /* So it won't be deleted */
 343     MFDRV_DeleteDC( dc );
 344     return hmf;
 345 }
 346
 347
 348 /******************************************************************
 349  *         MFDRV_WriteRecord
 350  *
 351  * Warning: this function can change the pointer to the metafile header.
 352  */
 353 BOOL MFDRV_WriteRecord( DC *dc, METARECORD *mr, DWORD rlen)
 354 {
 355     DWORD len;
 356     METAHEADER *mh;
 357     METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 358
 359     switch(physDev->mh->mtType)
 360     {
 361     case METAFILE_MEMORY:
 362         len = physDev->mh->mtSize * 2 + rlen;
 363         mh = HeapReAlloc( GetProcessHeap(), 0, physDev->mh, len );
 364         if (!mh) return FALSE;
 365         physDev->mh = mh;
 366         memcpy((WORD *)physDev->mh + physDev->mh->mtSize, mr, rlen);
 367         break;
 368     case METAFILE_DISK:
 369         TRACE("Writing record to disk\n");
 370         if (!WriteFile(physDev->hFile, (char *)mr, rlen, NULL, NULL))
 371             return FALSE;
 372         break;
 373     default:
 374         ERR("Unknown metafile type %d\n", physDev->mh->mtType );
 375         return FALSE;
 376     }
 377
 378     physDev->mh->mtSize += rlen / 2;
 379     physDev->mh->mtMaxRecord = max(physDev->mh->mtMaxRecord, rlen / 2);
 380     return TRUE;
 381 }
 382
 383
 384 /******************************************************************
 385  *         MFDRV_MetaParam0
 386  */
 387
 388 BOOL MFDRV_MetaParam0(DC *dc, short func)
 389 {
 390     char buffer[8];
 391     METARECORD *mr = (METARECORD *)&buffer;
 392
 393     mr->rdSize = 3;
 394     mr->rdFunction = func;
 395     return MFDRV_WriteRecord( dc, mr, mr->rdSize * 2);
 396 }
 397
 398
 399 /******************************************************************
 400  *         MFDRV_MetaParam1
 401  */
 402 BOOL MFDRV_MetaParam1(DC *dc, short func, short param1)
 403 {
 404     char buffer[8];
 405     METARECORD *mr = (METARECORD *)&buffer;
 406
 407     mr->rdSize = 4;
 408     mr->rdFunction = func;
 409     *(mr->rdParm) = param1;
 410     return MFDRV_WriteRecord( dc, mr, mr->rdSize * 2);
 411 }
 412
 413
 414 /******************************************************************
 415  *         MFDRV_MetaParam2
 416  */
 417 BOOL MFDRV_MetaParam2(DC *dc, short func, short param1, short param2)
 418 {
 419     char buffer[10];
 420     METARECORD *mr = (METARECORD *)&buffer;
 421
 422     mr->rdSize = 5;
 423     mr->rdFunction = func;
 424     *(mr->rdParm) = param2;
 425     *(mr->rdParm + 1) = param1;
 426     return MFDRV_WriteRecord( dc, mr, mr->rdSize * 2);
 427 }
 428
 429
 430 /******************************************************************
 431  *         MFDRV_MetaParam4
 432  */
 433
 434 BOOL MFDRV_MetaParam4(DC *dc, short func, short param1, short param2,
 435                       short param3, short param4)
 436 {
 437     char buffer[14];
 438     METARECORD *mr = (METARECORD *)&buffer;
 439
 440     mr->rdSize = 7;
 441     mr->rdFunction = func;
 442     *(mr->rdParm) = param4;
 443     *(mr->rdParm + 1) = param3;
 444     *(mr->rdParm + 2) = param2;
 445     *(mr->rdParm + 3) = param1;
 446     return MFDRV_WriteRecord( dc, mr, mr->rdSize * 2);
 447 }
 448
 449
 450 /******************************************************************
 451  *         MFDRV_MetaParam6
 452  */
 453
 454 BOOL MFDRV_MetaParam6(DC *dc, short func, short param1, short param2,
 455                       short param3, short param4, short param5, short param6)
 456 {
 457     char buffer[18];
 458     METARECORD *mr = (METARECORD *)&buffer;
 459
 460     mr->rdSize = 9;
 461     mr->rdFunction = func;
 462     *(mr->rdParm) = param6;
 463     *(mr->rdParm + 1) = param5;
 464     *(mr->rdParm + 2) = param4;
 465     *(mr->rdParm + 3) = param3;
 466     *(mr->rdParm + 4) = param2;
 467     *(mr->rdParm + 5) = param1;
 468     return MFDRV_WriteRecord( dc, mr, mr->rdSize * 2);
 469 }
 470
 471
 472 /******************************************************************
 473  *         MFDRV_MetaParam8
 474  */
 475 BOOL MFDRV_MetaParam8(DC *dc, short func, short param1, short param2,
 476                       short param3, short param4, short param5,
 477                       short param6, short param7, short param8)
 478 {
 479     char buffer[22];
 480     METARECORD *mr = (METARECORD *)&buffer;
 481
 482     mr->rdSize = 11;
 483     mr->rdFunction = func;
 484     *(mr->rdParm) = param8;
 485     *(mr->rdParm + 1) = param7;
 486     *(mr->rdParm + 2) = param6;
 487     *(mr->rdParm + 3) = param5;
 488     *(mr->rdParm + 4) = param4;
 489     *(mr->rdParm + 5) = param3;
 490     *(mr->rdParm + 6) = param2;
 491     *(mr->rdParm + 7) = param1;
 492     return MFDRV_WriteRecord( dc, mr, mr->rdSize * 2);
 493 }
 494
 495
 496 /******************************************************************
 497  *         MFDRV_AddHandleDC
 498  *
 499  * Note: this function assumes that we never delete objects.
 500  * If we do someday, we'll need to maintain a table to re-use deleted
 501  * handles.
 502  */
 503 int MFDRV_AddHandleDC( DC *dc )
 504 {
 505     METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 506     physDev->mh->mtNoObjects++;
 507     return physDev->nextHandle++;
 508 }
 509
 510