git.oblomov.eu Git - wine/blob - dlls/gdi/enhmfdrv/init.c

   1 /*
   2  * Enhanced MetaFile driver initialisation functions
   3  *
   4  * Copyright 1999 Huw D M Davies
   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 <stdarg.h>
  22 #include <string.h>
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "wingdi.h"
  27 #include "gdi.h"
  28 #include "enhmfdrv/enhmetafiledrv.h"
  29 #include "wine/debug.h"
  30
  31 WINE_DEFAULT_DEBUG_CHANNEL(enhmetafile);
  32
  33 static const DC_FUNCTIONS EMFDRV_Funcs =
  34 {
  35     NULL,                            /* pAbortDoc */
  36     EMFDRV_AbortPath,                /* pAbortPath */
  37     NULL,                            /* pAngleArc */
  38     EMFDRV_Arc,                      /* pArc */
  39     NULL,                            /* pArcTo */
  40     EMFDRV_BeginPath,                /* pBeginPath */
  41     EMFDRV_BitBlt,                   /* pBitBlt */
  42     NULL,                            /* pChoosePixelFormat */
  43     EMFDRV_Chord,                    /* pChord */
  44     EMFDRV_CloseFigure,              /* pCloseFigure */
  45     NULL,                            /* pCreateBitmap */
  46     NULL,                            /* pCreateDC */
  47     NULL,                            /* pCreateDIBSection */
  48     NULL,                            /* pDeleteBitmap */
  49     NULL,                            /* pDeleteDC */
  50     EMFDRV_DeleteObject,             /* pDeleteObject */
  51     NULL,                            /* pDescribePixelFormat */
  52     NULL,                            /* pDeviceCapabilities */
  53     EMFDRV_Ellipse,                  /* pEllipse */
  54     NULL,                            /* pEndDoc */
  55     NULL,                            /* pEndPage */
  56     EMFDRV_EndPath,                  /* pEndPath */
  57     NULL,                            /* pEnumDeviceFonts */
  58     EMFDRV_ExcludeClipRect,          /* pExcludeClipRect */
  59     NULL,                            /* pExtDeviceMode */
  60     NULL,                            /* pExtEscape */
  61     EMFDRV_ExtFloodFill,             /* pExtFloodFill */
  62     EMFDRV_ExtSelectClipRgn,         /* pExtSelectClipRgn */
  63     EMFDRV_ExtTextOut,               /* pExtTextOut */
  64     EMFDRV_FillPath,                 /* pFillPath */
  65     EMFDRV_FillRgn,                  /* pFillRgn */
  66     EMFDRV_FlattenPath,              /* pFlattenPath */
  67     EMFDRV_FrameRgn,                 /* pFrameRgn */
  68     EMFDRV_GdiComment,               /* pGdiComment */
  69     NULL,                            /* pGetBitmapBits */
  70     NULL,                            /* pGetCharWidth */
  71     NULL,                            /* pGetDCOrgEx */
  72     NULL,                            /* pGetDIBColorTable */
  73     NULL,                            /* pGetDIBits */
  74     EMFDRV_GetDeviceCaps,            /* pGetDeviceCaps */
  75     NULL,                            /* pGetDeviceGammaRamp */
  76     NULL,                            /* pGetNearestColor */
  77     NULL,                            /* pGetPixel */
  78     NULL,                            /* pGetPixelFormat */
  79     NULL,                            /* pGetSystemPaletteEntries */
  80     NULL,                            /* pGetTextExtentPoint */
  81     NULL,                            /* pGetTextMetrics */
  82     EMFDRV_IntersectClipRect,        /* pIntersectClipRect */
  83     EMFDRV_InvertRgn,                /* pInvertRgn */
  84     EMFDRV_LineTo,                   /* pLineTo */
  85     EMFDRV_ModifyWorldTransform,     /* pModifyWorldTransform */
  86     EMFDRV_MoveTo,                   /* pMoveTo */
  87     EMFDRV_OffsetClipRgn,            /* pOffsetClipRgn */
  88     EMFDRV_OffsetViewportOrg,        /* pOffsetViewportOrg */
  89     EMFDRV_OffsetWindowOrg,          /* pOffsetWindowOrg */
  90     EMFDRV_PaintRgn,                 /* pPaintRgn */
  91     EMFDRV_PatBlt,                   /* pPatBlt */
  92     EMFDRV_Pie,                      /* pPie */
  93     NULL,                            /* pPolyBezier */
  94     NULL,                            /* pPolyBezierTo */
  95     NULL,                            /* pPolyDraw */
  96     EMFDRV_PolyPolygon,              /* pPolyPolygon */
  97     EMFDRV_PolyPolyline,             /* pPolyPolyline */
  98     EMFDRV_Polygon,                  /* pPolygon */
  99     EMFDRV_Polyline,                 /* pPolyline */
 100     NULL,                            /* pPolylineTo */
 101     NULL,                            /* pRealizeDefaultPalette */
 102     NULL,                            /* pRealizePalette */
 103     EMFDRV_Rectangle,                /* pRectangle */
 104     NULL,                            /* pResetDC */
 105     EMFDRV_RestoreDC,                /* pRestoreDC */
 106     EMFDRV_RoundRect,                /* pRoundRect */
 107     EMFDRV_SaveDC,                   /* pSaveDC */
 108     EMFDRV_ScaleViewportExt,         /* pScaleViewportExt */
 109     EMFDRV_ScaleWindowExt,           /* pScaleWindowExt */
 110     EMFDRV_SelectBitmap,             /* pSelectBitmap */
 111     EMFDRV_SelectBrush,              /* pSelectBrush */
 112     EMFDRV_SelectClipPath,           /* pSelectClipPath */
 113     EMFDRV_SelectFont,               /* pSelectFont */
 114     NULL,                            /* pSelectPalette */
 115     EMFDRV_SelectPen,                /* pSelectPen */
 116     EMFDRV_SetArcDirection,          /* pSetArcDirection */
 117     NULL,                            /* pSetBitmapBits */
 118     EMFDRV_SetBkColor,               /* pSetBkColor */
 119     EMFDRV_SetBkMode,                /* pSetBkMode */
 120     NULL,                            /* pSetDCBrushColor */
 121     NULL,                            /* pSetDCOrg */
 122     NULL,                            /* pSetDCPenColor */
 123     NULL,                            /* pSetDIBColorTable */
 124     NULL,                            /* pSetDIBits */
 125     EMFDRV_SetDIBitsToDevice,        /* pSetDIBitsToDevice */
 126     NULL,                            /* pSetDeviceClipping */
 127     NULL,                            /* pSetDeviceGammaRamp */
 128     EMFDRV_SetMapMode,               /* pSetMapMode */
 129     EMFDRV_SetMapperFlags,           /* pSetMapperFlags */
 130     NULL,                            /* pSetPixel */
 131     NULL,                            /* pSetPixelFormat */
 132     EMFDRV_SetPolyFillMode,          /* pSetPolyFillMode */
 133     EMFDRV_SetROP2,                  /* pSetROP2 */
 134     NULL,                            /* pSetRelAbs */
 135     EMFDRV_SetStretchBltMode,        /* pSetStretchBltMode */
 136     EMFDRV_SetTextAlign,             /* pSetTextAlign */
 137     NULL,                            /* pSetTextCharacterExtra */
 138     EMFDRV_SetTextColor,             /* pSetTextColor */
 139     EMFDRV_SetTextJustification,     /* pSetTextJustification */
 140     EMFDRV_SetViewportExt,           /* pSetViewportExt */
 141     EMFDRV_SetViewportOrg,           /* pSetViewportOrg */
 142     EMFDRV_SetWindowExt,             /* pSetWindowExt */
 143     EMFDRV_SetWindowOrg,             /* pSetWindowOrg */
 144     EMFDRV_SetWorldTransform,        /* pSetWorldTransform */
 145     NULL,                            /* pStartDoc */
 146     NULL,                            /* pStartPage */
 147     EMFDRV_StretchBlt,               /* pStretchBlt */
 148     EMFDRV_StretchDIBits,            /* pStretchDIBits */
 149     EMFDRV_StrokeAndFillPath,        /* pStrokeAndFillPath */
 150     EMFDRV_StrokePath,               /* pStrokePath */
 151     NULL,                            /* pSwapBuffers */
 152     EMFDRV_WidenPath                 /* pWidenPath */
 153 };
 154
 155
 156 /**********************************************************************
 157  *           EMFDRV_DeleteDC
 158  */
 159 static BOOL EMFDRV_DeleteDC( PHYSDEV dev )
 160 {
 161     EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE *)dev;
 162     DC *dc = physDev->dc;
 163     UINT index;
 164
 165     if (physDev->emh) HeapFree( GetProcessHeap(), 0, physDev->emh );
 166     for(index = 0; index < physDev->handles_size; index++)
 167         if(physDev->handles[index])
 168             GDI_hdc_not_using_object(physDev->handles[index], physDev->hdc);
 169     HeapFree( GetProcessHeap(), 0, physDev->handles );
 170     HeapFree( GetProcessHeap(), 0, physDev );
 171     dc->physDev = NULL;
 172     GDI_FreeObject( dc->hSelf, dc );
 173     return TRUE;
 174 }
 175
 176
 177 /******************************************************************
 178  *         EMFDRV_WriteRecord
 179  *
 180  * Warning: this function can change the pointer to the metafile header.
 181  */
 182 BOOL EMFDRV_WriteRecord( PHYSDEV dev, EMR *emr )
 183 {
 184     DWORD len;
 185     ENHMETAHEADER *emh;
 186     EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE *)dev;
 187
 188     physDev->emh->nBytes += emr->nSize;
 189     physDev->emh->nRecords++;
 190
 191     if(physDev->hFile) {
 192         TRACE("Writing record to disk\n");
 193         if (!WriteFile(physDev->hFile, (char *)emr, emr->nSize, NULL, NULL))
 194             return FALSE;
 195     } else {
 196         DWORD nEmfSize = HeapSize(GetProcessHeap(), 0, physDev->emh);
 197         len = physDev->emh->nBytes;
 198         if (len > nEmfSize) {
 199             nEmfSize += (nEmfSize / 2) + emr->nSize;
 200             emh = HeapReAlloc(GetProcessHeap(), 0, physDev->emh, nEmfSize);
 201             if (!emh) return FALSE;
 202             physDev->emh = emh;
 203         }
 204         memcpy((CHAR *)physDev->emh + physDev->emh->nBytes - emr->nSize, emr,
 205                emr->nSize);
 206     }
 207     return TRUE;
 208 }
 209
 210
 211 /******************************************************************
 212  *         EMFDRV_UpdateBBox
 213  */
 214 void EMFDRV_UpdateBBox( PHYSDEV dev, RECTL *rect )
 215 {
 216     EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE *)dev;
 217     RECTL *bounds = &physDev->emh->rclBounds;
 218     RECTL vportRect = *rect;
 219
 220     LPtoDP(physDev->hdc, (LPPOINT)&vportRect, 2);
 221
 222     if(bounds->left > bounds->right) {/* first rect */
 223         *bounds = vportRect;
 224         return;
 225     }
 226     bounds->left   = min(bounds->left,   vportRect.left);
 227     bounds->top    = min(bounds->top,    vportRect.top);
 228     bounds->right  = max(bounds->right,  vportRect.right);
 229     bounds->bottom = max(bounds->bottom, vportRect.bottom);
 230     return;
 231 }
 232
 233 /**********************************************************************
 234  *          CreateEnhMetaFileA   (GDI32.@)
 235  */
 236 HDC WINAPI CreateEnhMetaFileA(
 237     HDC hdc,           /* [in] optional reference DC */
 238     LPCSTR filename,   /* [in] optional filename for disk metafiles */
 239     const RECT *rect,  /* [in] optional bounding rectangle */
 240     LPCSTR description /* [in] optional description */
 241     )
 242 {
 243     LPWSTR filenameW = NULL;
 244     LPWSTR descriptionW = NULL;
 245     HDC hReturnDC;
 246     DWORD len1, len2, total;
 247
 248     if(filename)
 249     {
 250         total = MultiByteToWideChar( CP_ACP, 0, filename, -1, NULL, 0 );
 251         filenameW = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) );
 252         MultiByteToWideChar( CP_ACP, 0, filename, -1, filenameW, total );
 253     }
 254     if(description) {
 255         len1 = strlen(description);
 256         len2 = strlen(description + len1 + 1);
 257         total = MultiByteToWideChar( CP_ACP, 0, description, len1 + len2 + 3, NULL, 0 );
 258         descriptionW = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) );
 259         MultiByteToWideChar( CP_ACP, 0, description, len1 + len2 + 3, descriptionW, total );
 260     }
 261
 262     hReturnDC = CreateEnhMetaFileW(hdc, filenameW, rect, descriptionW);
 263
 264     if(filenameW)
 265         HeapFree( GetProcessHeap(), 0, filenameW );
 266     if(descriptionW)
 267         HeapFree( GetProcessHeap(), 0, descriptionW );
 268
 269     return hReturnDC;
 270 }
 271
 272 /**********************************************************************
 273  *          CreateEnhMetaFileW   (GDI32.@)
 274  */
 275 HDC WINAPI CreateEnhMetaFileW(
 276     HDC           hdc,        /* [in] optional reference DC */
 277     LPCWSTR       filename,   /* [in] optional filename for disk metafiles */
 278     const RECT*   rect,       /* [in] optional bounding rectangle */
 279     LPCWSTR       description /* [in] optional description */
 280     )
 281 {
 282     static const WCHAR displayW[] = {'D','I','S','P','L','A','Y',0};
 283     HDC ret;
 284     DC *dc;
 285     HDC hRefDC = hdc ? hdc : CreateDCW(displayW,NULL,NULL,NULL);
 286         /* If no ref, use current display */
 287     EMFDRV_PDEVICE *physDev;
 288     HANDLE hFile;
 289     DWORD size = 0, length = 0;
 290
 291     TRACE("%s\n", debugstr_w(filename) );
 292
 293     if (!(dc = DC_AllocDC( &EMFDRV_Funcs, ENHMETAFILE_DC_MAGIC ))) return 0;
 294
 295     physDev = (EMFDRV_PDEVICE *)HeapAlloc(GetProcessHeap(),0,sizeof(*physDev));
 296     if (!physDev) {
 297         GDI_FreeObject( dc->hSelf, dc );
 298         return 0;
 299     }
 300     dc->physDev = (PHYSDEV)physDev;
 301     physDev->hdc = dc->hSelf;
 302     physDev->dc = dc;
 303
 304     if(description) { /* App name\0Title\0\0 */
 305         length = lstrlenW(description);
 306         length += lstrlenW(description + length + 1);
 307         length += 3;
 308         length *= 2;
 309     }
 310     size = sizeof(ENHMETAHEADER) + (length + 3) / 4 * 4;
 311
 312     if (!(physDev->emh = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, size))) {
 313         HeapFree( GetProcessHeap(), 0, physDev );
 314         GDI_FreeObject( dc->hSelf, dc );
 315         return 0;
 316     }
 317
 318     physDev->handles = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, HANDLE_LIST_INC * sizeof(physDev->handles[0]));
 319     physDev->handles_size = HANDLE_LIST_INC;
 320     physDev->cur_handles = 1;
 321     physDev->hFile = 0;
 322
 323     physDev->horzres = GetDeviceCaps(hRefDC, HORZRES);
 324     physDev->vertres = GetDeviceCaps(hRefDC, VERTRES);
 325     physDev->logpixelsx = GetDeviceCaps(hRefDC, LOGPIXELSX);
 326     physDev->logpixelsy = GetDeviceCaps(hRefDC, LOGPIXELSY);
 327     physDev->horzsize = GetDeviceCaps(hRefDC, HORZSIZE);
 328     physDev->vertsize = GetDeviceCaps(hRefDC, VERTSIZE);
 329     physDev->bitspixel = GetDeviceCaps(hRefDC, BITSPIXEL);
 330     physDev->textcaps = GetDeviceCaps(hRefDC, TEXTCAPS);
 331     physDev->rastercaps = GetDeviceCaps(hRefDC, RASTERCAPS);
 332     physDev->technology = GetDeviceCaps(hRefDC, TECHNOLOGY);
 333     physDev->planes = GetDeviceCaps(hRefDC, PLANES);
 334
 335     physDev->emh->iType = EMR_HEADER;
 336     physDev->emh->nSize = size;
 337
 338     physDev->emh->rclBounds.left = physDev->emh->rclBounds.top = 0;
 339     physDev->emh->rclBounds.right = physDev->emh->rclBounds.bottom = -1;
 340
 341     if(rect) {
 342         physDev->emh->rclFrame.left   = rect->left;
 343         physDev->emh->rclFrame.top    = rect->top;
 344         physDev->emh->rclFrame.right  = rect->right;
 345         physDev->emh->rclFrame.bottom = rect->bottom;
 346     } else {  /* Set this to {0,0 - -1,-1} and update it at the end */
 347         physDev->emh->rclFrame.left = physDev->emh->rclFrame.top = 0;
 348         physDev->emh->rclFrame.right = physDev->emh->rclFrame.bottom = -1;
 349     }
 350
 351     physDev->emh->dSignature = ENHMETA_SIGNATURE;
 352     physDev->emh->nVersion = 0x10000;
 353     physDev->emh->nBytes = physDev->emh->nSize;
 354     physDev->emh->nRecords = 1;
 355     physDev->emh->nHandles = 1;
 356
 357     physDev->emh->sReserved = 0; /* According to docs, this is reserved and must be 0 */
 358     physDev->emh->nDescription = length / 2;
 359
 360     physDev->emh->offDescription = length ? sizeof(ENHMETAHEADER) : 0;
 361
 362     physDev->emh->nPalEntries = 0; /* I guess this should start at 0 */
 363
 364     /* Size in pixels */
 365     physDev->emh->szlDevice.cx = physDev->horzres;
 366     physDev->emh->szlDevice.cy = physDev->vertres;
 367
 368     /* Size in millimeters */
 369     physDev->emh->szlMillimeters.cx = physDev->horzsize;
 370     physDev->emh->szlMillimeters.cy = physDev->vertsize;
 371
 372     /* Size in micrometers */
 373     physDev->emh->szlMicrometers.cx = physDev->horzsize * 1000;
 374     physDev->emh->szlMicrometers.cy = physDev->vertsize * 1000;
 375
 376     memcpy((char *)physDev->emh + sizeof(ENHMETAHEADER), description, length);
 377
 378     if (filename)  /* disk based metafile */
 379     {
 380         if ((hFile = CreateFileW(filename, GENERIC_WRITE | GENERIC_READ, 0,
 381                                  NULL, CREATE_ALWAYS, 0, 0)) == INVALID_HANDLE_VALUE) {
 382             EMFDRV_DeleteDC( dc->physDev );
 383             return 0;
 384         }
 385         if (!WriteFile( hFile, (LPSTR)physDev->emh, size, NULL, NULL )) {
 386             EMFDRV_DeleteDC( dc->physDev );
 387             return 0;
 388         }
 389         physDev->hFile = hFile;
 390     }
 391
 392     TRACE("returning %p\n", dc->hSelf);
 393     ret = dc->hSelf;
 394     GDI_ReleaseObj( dc->hSelf );
 395
 396     if( !hdc )
 397       DeleteDC( hRefDC );
 398
 399     return ret;
 400 }
 401
 402 /******************************************************************
 403  *             CloseEnhMetaFile (GDI32.@)
 404  */
 405 HENHMETAFILE WINAPI CloseEnhMetaFile(HDC hdc) /* [in] metafile DC */
 406 {
 407     HENHMETAFILE hmf;
 408     EMFDRV_PDEVICE *physDev;
 409     DC *dc;
 410     EMREOF emr;
 411     HANDLE hMapping = 0;
 412
 413     TRACE("(%p)\n", hdc );
 414
 415     if (!(dc = (DC *) GDI_GetObjPtr( hdc, ENHMETAFILE_DC_MAGIC ))) return 0;
 416     physDev = (EMFDRV_PDEVICE *)dc->physDev;
 417
 418     emr.emr.iType = EMR_EOF;
 419     emr.emr.nSize = sizeof(emr);
 420     emr.nPalEntries = 0;
 421     emr.offPalEntries = 0;
 422     emr.nSizeLast = emr.emr.nSize;
 423     EMFDRV_WriteRecord( dc->physDev, &emr.emr );
 424
 425     /* Update rclFrame if not initialized in CreateEnhMetaFile */
 426     if(physDev->emh->rclFrame.left > physDev->emh->rclFrame.right) {
 427         physDev->emh->rclFrame.left = physDev->emh->rclBounds.left *
 428           physDev->emh->szlMillimeters.cx * 100 / physDev->emh->szlDevice.cx;
 429         physDev->emh->rclFrame.top = physDev->emh->rclBounds.top *
 430           physDev->emh->szlMillimeters.cy * 100 / physDev->emh->szlDevice.cy;
 431         physDev->emh->rclFrame.right = physDev->emh->rclBounds.right *
 432           physDev->emh->szlMillimeters.cx * 100 / physDev->emh->szlDevice.cx;
 433         physDev->emh->rclFrame.bottom = physDev->emh->rclBounds.bottom *
 434           physDev->emh->szlMillimeters.cy * 100 / physDev->emh->szlDevice.cy;
 435     }
 436
 437     if (physDev->hFile)  /* disk based metafile */
 438     {
 439         if (SetFilePointer(physDev->hFile, 0, NULL, FILE_BEGIN) != 0)
 440         {
 441             CloseHandle( physDev->hFile );
 442             EMFDRV_DeleteDC( dc->physDev );
 443             return 0;
 444         }
 445
 446         if (!WriteFile(physDev->hFile, (LPSTR)physDev->emh,
 447                        sizeof(*physDev->emh), NULL, NULL))
 448         {
 449             CloseHandle( physDev->hFile );
 450             EMFDRV_DeleteDC( dc->physDev );
 451             return 0;
 452         }
 453         HeapFree( GetProcessHeap(), 0, physDev->emh );
 454         hMapping = CreateFileMappingA(physDev->hFile, NULL, PAGE_READONLY, 0,
 455                                       0, NULL);
 456         TRACE("hMapping = %p\n", hMapping );
 457         physDev->emh = MapViewOfFile(hMapping, FILE_MAP_READ, 0, 0, 0);
 458         TRACE("view = %p\n", physDev->emh );
 459         CloseHandle( hMapping );
 460         CloseHandle( physDev->hFile );
 461     }
 462
 463     hmf = EMF_Create_HENHMETAFILE( physDev->emh, (physDev->hFile != 0) );
 464     physDev->emh = NULL;  /* So it won't be deleted */
 465     EMFDRV_DeleteDC( dc->physDev );
 466     return hmf;
 467 }