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 "debug.h"
  15
  16 #include <string.h>
  17
  18 static const DC_FUNCTIONS MFDRV_Funcs =
  19 {
  20     MFDRV_Arc,                       /* pArc */
  21     MFDRV_BitBlt,                    /* pBitBlt */
  22     NULL,                            /* pBitmapBits */
  23     MFDRV_Chord,                     /* pChord */
  24     NULL,                            /* pCreateBitmap */
  25     NULL, /* no implementation */    /* pCreateDC */
  26     NULL, /* no implementation */    /* pDeleteDC */
  27     NULL,                            /* pDeleteObject */
  28     MFDRV_Ellipse,                   /* pEllipse */
  29     NULL,                            /* pEnumDeviceFonts */
  30     NULL,                            /* pEscape */
  31     NULL,                            /* pExcludeClipRect */
  32     NULL,                            /* pExcludeVisRect */
  33     MFDRV_ExtFloodFill,              /* pExtFloodFill */
  34     MFDRV_ExtTextOut,                /* pExtTextOut */
  35     NULL,                            /* pGetCharWidth */
  36     NULL, /* no implementation */    /* pGetPixel */
  37     NULL,                            /* pGetTextExtentPoint */
  38     NULL,                            /* pGetTextMetrics */
  39     NULL,                            /* pIntersectClipRect */
  40     NULL,                            /* pIntersectVisRect */
  41     MFDRV_LineTo,                    /* pLineTo */
  42     NULL,                            /* pLoadOEMResource */
  43     MFDRV_MoveToEx,                  /* pMoveToEx */
  44     NULL,                            /* pOffsetClipRgn */
  45     MFDRV_OffsetViewportOrg,         /* pOffsetViewportOrg */
  46     MFDRV_OffsetWindowOrg,           /* pOffsetWindowOrg */
  47     MFDRV_PaintRgn,                  /* pPaintRgn */
  48     MFDRV_PatBlt,                    /* pPatBlt */
  49     MFDRV_Pie,                       /* pPie */
  50     MFDRV_PolyPolygon,               /* pPolyPolygon */
  51     NULL,                            /* pPolyPolyline */
  52     MFDRV_Polygon,                   /* pPolygon */
  53     MFDRV_Polyline,                  /* pPolyline */
  54     NULL,                            /* pPolyBezier */
  55     NULL,                            /* pRealizePalette */
  56     MFDRV_Rectangle,                 /* pRectangle */
  57     NULL,                            /* pRestoreDC */
  58     MFDRV_RoundRect,                 /* pRoundRect */
  59     NULL,                            /* pSaveDC */
  60     MFDRV_ScaleViewportExt,          /* pScaleViewportExt */
  61     MFDRV_ScaleWindowExt,            /* pScaleWindowExt */
  62     NULL,                            /* pSelectClipRgn */
  63     MFDRV_SelectObject,              /* pSelectObject */
  64     NULL,                            /* pSelectPalette */
  65     MFDRV_SetBkColor,                /* pSetBkColor */
  66     NULL,                            /* pSetBkMode */
  67     NULL,                            /* pSetDeviceClipping */
  68     NULL,                            /* pSetDIBitsToDevice */
  69     MFDRV_SetMapMode,                /* pSetMapMode */
  70     NULL,                            /* pSetMapperFlags */
  71     MFDRV_SetPixel,                  /* pSetPixel */
  72     NULL,                            /* pSetPolyFillMode */
  73     NULL,                            /* pSetROP2 */
  74     NULL,                            /* pSetRelAbs */
  75     NULL,                            /* pSetStretchBltMode */
  76     NULL,                            /* pSetTextAlign */
  77     NULL,                            /* pSetTextCharacterExtra */
  78     MFDRV_SetTextColor,              /* pSetTextColor */
  79     NULL,                            /* pSetTextJustification */
  80     MFDRV_SetViewportExt,            /* pSetViewportExt */
  81     MFDRV_SetViewportOrg,            /* pSetViewportOrg */
  82     MFDRV_SetWindowExt,              /* pSetWindowExt */
  83     MFDRV_SetWindowOrg,              /* pSetWindowOrg */
  84     MFDRV_StretchBlt,                /* pStretchBlt */
  85     NULL                             /* pStretchDIBits */
  86 };
  87
  88
  89
  90 /**********************************************************************
  91  *           MFDRV_AllocMetaFile
  92  */
  93 static DC *MFDRV_AllocMetaFile(void)
  94 {
  95     DC *dc;
  96     METAFILEDRV_PDEVICE *physDev;
  97
  98     if (!(dc = DC_AllocDC( &MFDRV_Funcs ))) return NULL;
  99     dc->header.wMagic = METAFILE_DC_MAGIC;
 100
 101     physDev = (METAFILEDRV_PDEVICE *)HeapAlloc(SystemHeap,0,sizeof(*physDev));
 102     if (!physDev)
 103     {
 104         GDI_HEAP_FREE( dc->hSelf );
 105         return NULL;
 106     }
 107     dc->physDev = physDev;
 108
 109     if (!(physDev->mh = HeapAlloc( SystemHeap, 0, sizeof(*physDev->mh) )))
 110     {
 111         HeapFree( SystemHeap, 0, physDev );
 112         GDI_HEAP_FREE( dc->hSelf );
 113         return NULL;
 114     }
 115
 116     physDev->nextHandle = 0;
 117
 118     physDev->mh->mtHeaderSize   = sizeof(METAHEADER) / sizeof(WORD);
 119     physDev->mh->mtVersion      = 0x0300;
 120     physDev->mh->mtSize         = physDev->mh->mtHeaderSize;
 121     physDev->mh->mtNoObjects    = 0;
 122     physDev->mh->mtMaxRecord    = 0;
 123     physDev->mh->mtNoParameters = 0;
 124
 125 /*    DC_InitDC( dc ); */
 126     return dc;
 127 }
 128
 129
 130 /**********************************************************************
 131 *            MFDRV_DeleteDC
 132  */
 133 static BOOL MFDRV_DeleteDC( DC *dc )
 134 {
 135     METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 136
 137     if (physDev->mh) HeapFree( SystemHeap, 0, physDev->mh );
 138     HeapFree( SystemHeap, 0, physDev );
 139     dc->physDev = NULL;
 140     GDI_FreeObject(dc->hSelf);
 141     return TRUE;
 142 }
 143
 144
 145 /**********************************************************************
 146  *           CreateMetaFile16   (GDI.125)
 147  *
 148  *  Create a new DC and associate it with a metafile. Pass a filename
 149  *  to create a disk-based metafile, NULL to create a memory metafile.
 150  *
 151  * RETURNS
 152  *  A handle to the metafile DC if successful, NULL on failure.
 153  */
 154 HDC16 WINAPI CreateMetaFile16(
 155                               LPCSTR filename /* Filename of disk metafile */
 156 )
 157 {
 158     DC *dc;
 159     METAFILEDRV_PDEVICE *physDev;
 160     HFILE hFile;
 161
 162     TRACE(metafile, "'%s'\n", filename );
 163
 164     if (!(dc = MFDRV_AllocMetaFile())) return 0;
 165     physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 166
 167     if (filename)  /* disk based metafile */
 168     {
 169         physDev->mh->mtType = METAFILE_DISK;
 170         if ((hFile = _lcreat( filename, 0 )) == HFILE_ERROR)
 171         {
 172             MFDRV_DeleteDC( dc );
 173             return 0;
 174         }
 175         if (_lwrite( hFile, (LPSTR)physDev->mh,
 176                        sizeof(*physDev->mh)) == HFILE_ERROR)
 177         {
 178             MFDRV_DeleteDC( dc );
 179             return 0;
 180         }
 181         physDev->mh->mtNoParameters = hFile; /* store file descriptor here */
 182                                     /* windows probably uses this too*/
 183     }
 184     else  /* memory based metafile */
 185         physDev->mh->mtType = METAFILE_MEMORY;
 186
 187     TRACE(metafile, "returning %04x\n", dc->hSelf);
 188     return dc->hSelf;
 189 }
 190
 191 /**********************************************************************
 192  *           CreateMetaFile32A   (GDI32.51)
 193  */
 194 HDC WINAPI CreateMetaFileA(
 195                               LPCSTR filename /* Filename of disk metafile */
 196 )
 197 {
 198   return CreateMetaFile16( filename );
 199 }
 200
 201 /**********************************************************************
 202  *          CreateMetaFile32W   (GDI32.52)
 203  */
 204 HDC WINAPI CreateMetaFileW(LPCWSTR filename)
 205 {
 206     LPSTR filenameA;
 207     HDC hReturnDC;
 208
 209     filenameA = HEAP_strdupWtoA( GetProcessHeap(), 0, filename );
 210
 211     hReturnDC = CreateMetaFileA(filenameA);
 212
 213     HeapFree( GetProcessHeap(), 0, filenameA );
 214
 215     return hReturnDC;
 216 }
 217
 218 static DC *METAFILE_CloseMetaFile( HDC hdc )
 219 {
 220     DC *dc;
 221     HFILE hFile;
 222     METAFILEDRV_PDEVICE *physDev;
 223
 224     TRACE(metafile, "(%04x)\n", hdc );
 225
 226     if (!(dc = (DC *) GDI_GetObjPtr( hdc, METAFILE_DC_MAGIC ))) return 0;
 227     physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 228
 229     /* Construct the end of metafile record - this is documented
 230      * in SDK Knowledgebase Q99334.
 231      */
 232
 233     if (!MF_MetaParam0(dc, META_EOF))
 234     {
 235         MFDRV_DeleteDC( dc );
 236         return 0;
 237     }
 238
 239     if (physDev->mh->mtType == METAFILE_DISK)  /* disk based metafile */
 240     {
 241         hFile = physDev->mh->mtNoParameters;
 242         physDev->mh->mtNoParameters = 0;
 243         if (_llseek(hFile, 0L, 0) == HFILE_ERROR)
 244         {
 245             MFDRV_DeleteDC( dc );
 246             return 0;
 247         }
 248         if (_lwrite( hFile, (LPSTR)physDev->mh,
 249                        sizeof(*physDev->mh)) == HFILE_ERROR)
 250         {
 251             MFDRV_DeleteDC( dc );
 252             return 0;
 253         }
 254         _lclose(hFile);
 255     }
 256
 257     return dc;
 258 }
 259
 260 /******************************************************************
 261  *           CloseMetaFile16   (GDI.126)
 262  */
 263 HMETAFILE16 WINAPI CloseMetaFile16(
 264                                    HDC16 hdc /* Metafile DC to close */
 265 )
 266 {
 267     HMETAFILE16 hmf;
 268     METAFILEDRV_PDEVICE *physDev;
 269     DC *dc = METAFILE_CloseMetaFile(hdc);
 270     if (!dc) return 0;
 271     physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 272
 273     /* Now allocate a global handle for the metafile */
 274
 275     hmf = GLOBAL_CreateBlock( GMEM_MOVEABLE, physDev->mh,
 276                               physDev->mh->mtSize * sizeof(WORD),
 277                               GetCurrentPDB16(), FALSE, FALSE, FALSE, NULL );
 278     physDev->mh = NULL;  /* So it won't be deleted */
 279     MFDRV_DeleteDC( dc );
 280     return hmf;
 281 }
 282
 283 /******************************************************************
 284  *           CloseMetaFile32   (GDI32.17)
 285  *
 286  *  Stop recording graphics operations in metafile associated with
 287  *  hdc and retrieve metafile.
 288  *
 289  * RETURNS
 290  *  Handle of newly created metafile on success, NULL on failure.
 291  */
 292 HMETAFILE WINAPI CloseMetaFile(
 293                                    HDC hdc /* Metafile DC to close */
 294 )
 295 {
 296   return CloseMetaFile16(hdc);
 297 }
 298
 299
 300 /******************************************************************
 301  *           DeleteMetaFile16   (GDI.127)
 302  */
 303 BOOL16 WINAPI DeleteMetaFile16(
 304                                HMETAFILE16 hmf
 305                                /* Handle of memory metafile to delete */
 306 )
 307 {
 308     return !GlobalFree16( hmf );
 309 }
 310
 311 /******************************************************************
 312  *          DeleteMetaFile32  (GDI32.69)
 313  *
 314  *  Delete a memory-based metafile.
 315  */
 316
 317 BOOL WINAPI DeleteMetaFile(
 318               HMETAFILE hmf
 319 ) {
 320   return !GlobalFree16( hmf );
 321 }
 322
 323 /********************************************************************
 324
 325        Enhanced Metafile driver initializations
 326
 327        This possibly  should be moved to their own file/directory
 328        at some point.
 329
 330 **********************************************************************/
 331
 332 /**********************************************************************
 333  *          CreateEnhMetaFile32A   (GDI32.41)
 334 */
 335 HDC WINAPI CreateEnhMetaFileA(
 336     HDC hdc, /* optional reference DC */
 337     LPCSTR filename, /* optional filename for disk metafiles */
 338     const RECT *rect, /* optional bounding rectangle */
 339     LPCSTR description /* optional description */
 340     )
 341 {
 342 #if 0
 343     DC *dc;
 344     METAFILEDRV_PDEVICE *physDev;
 345     HFILE hFile;
 346
 347     if (!(dc = MFDRV_AllocMetaFile())) return 0;
 348     physDev = (METAFILEDRV_PDEVICE *)dc->physDev;
 349
 350     if (filename)  /* disk based metafile */
 351     {
 352         physDev->mh->mtType = METAFILE_DISK;
 353         if ((hFile = _lcreat( filename, 0 )) == HFILE_ERROR)
 354         {
 355             MFDRV_DeleteDC( dc );
 356             return 0;
 357         }
 358         if (_lwrite( hFile, (LPSTR)physDev->mh,
 359                        sizeof(*physDev->mh)) == HFILE_ERROR)
 360         {
 361             MFDRV_DeleteDC( dc );
 362             return 0;
 363         }
 364         physDev->mh->mtNoParameters = hFile; /* store file descriptor here */
 365                                     /* windows probably uses this too*/
 366     }
 367     else  /* memory based metafile */
 368         physDev->mh->mtType = METAFILE_MEMORY;
 369
 370     TRACE(metafile, "returning %04x\n", dc->hSelf);
 371     return dc->hSelf;
 372 #endif
 373
 374     FIXME(metafile, "(0x%lx,%s,%p,%s): stub\n",
 375          (DWORD)hdc, filename, rect, description);
 376
 377     return 0;
 378 }
 379
 380 /**********************************************************************
 381  *          CreateEnhMetaFile32W   (GDI32.42)
 382  */
 383 HDC WINAPI CreateEnhMetaFileW(
 384     HDC         hdc,        /* optional reference DC */
 385     LPCWSTR       filename,   /* optional filename for disk metafiles */
 386     const RECT* rect,       /* optional bounding rectangle */
 387     LPCWSTR       description /* optional description */
 388     )
 389 {
 390     LPSTR filenameA;
 391     LPSTR descriptionA;
 392     HDC hReturnDC;
 393
 394     filenameA    = HEAP_strdupWtoA( GetProcessHeap(), 0, filename );
 395     descriptionA = HEAP_strdupWtoA( GetProcessHeap(), 0, description );
 396
 397     hReturnDC = CreateEnhMetaFileA(hdc,
 398                                     filenameA,
 399                                     rect,
 400                                     descriptionA);
 401
 402     HeapFree( GetProcessHeap(), 0, filenameA );
 403     HeapFree( GetProcessHeap(), 0, descriptionA );
 404
 405     return hReturnDC;
 406 }
 407
 408 HENHMETAFILE WINAPI CloseEnhMetaFile( HDC hdc /* metafile DC */ )
 409 {
 410   /* write EMR_EOF(0x0, 0x10, 0x14) */
 411   return 0;
 412 }
 413
 414