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 <assert.h>
  22 #include <stdarg.h>
  23 #include <string.h>
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "wingdi.h"
  28 #include "gdi.h"
  29 #include "gdi_private.h"
  30 #include "enhmfdrv/enhmetafiledrv.h"
  31 #include "wine/debug.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(enhmetafile);
  34
  35 static const DC_FUNCTIONS EMFDRV_Funcs =
  36 {
  37     NULL,                            /* pAbortDoc */
  38     EMFDRV_AbortPath,                /* pAbortPath */
  39     NULL,                            /* pAlphaBlend */
  40     NULL,                            /* pAngleArc */
  41     EMFDRV_Arc,                      /* pArc */
  42     NULL,                            /* pArcTo */
  43     EMFDRV_BeginPath,                /* pBeginPath */
  44     EMFDRV_BitBlt,                   /* pBitBlt */
  45     NULL,                            /* pChoosePixelFormat */
  46     EMFDRV_Chord,                    /* pChord */
  47     EMFDRV_CloseFigure,              /* pCloseFigure */
  48     NULL,                            /* pCreateBitmap */
  49     NULL,                            /* pCreateDC */
  50     NULL,                            /* pCreateDIBSection */
  51     NULL,                            /* pDeleteBitmap */
  52     NULL,                            /* pDeleteDC */
  53     EMFDRV_DeleteObject,             /* pDeleteObject */
  54     NULL,                            /* pDescribePixelFormat */
  55     NULL,                            /* pDeviceCapabilities */
  56     EMFDRV_Ellipse,                  /* pEllipse */
  57     NULL,                            /* pEndDoc */
  58     NULL,                            /* pEndPage */
  59     EMFDRV_EndPath,                  /* pEndPath */
  60     NULL,                            /* pEnumDeviceFonts */
  61     EMFDRV_ExcludeClipRect,          /* pExcludeClipRect */
  62     NULL,                            /* pExtDeviceMode */
  63     NULL,                            /* pExtEscape */
  64     EMFDRV_ExtFloodFill,             /* pExtFloodFill */
  65     EMFDRV_ExtSelectClipRgn,         /* pExtSelectClipRgn */
  66     EMFDRV_ExtTextOut,               /* pExtTextOut */
  67     EMFDRV_FillPath,                 /* pFillPath */
  68     EMFDRV_FillRgn,                  /* pFillRgn */
  69     EMFDRV_FlattenPath,              /* pFlattenPath */
  70     EMFDRV_FrameRgn,                 /* pFrameRgn */
  71     EMFDRV_GdiComment,               /* pGdiComment */
  72     NULL,                            /* pGetBitmapBits */
  73     NULL,                            /* pGetCharWidth */
  74     NULL,                            /* pGetDCOrgEx */
  75     NULL,                            /* pGetDIBColorTable */
  76     NULL,                            /* pGetDIBits */
  77     EMFDRV_GetDeviceCaps,            /* pGetDeviceCaps */
  78     NULL,                            /* pGetDeviceGammaRamp */
  79     NULL,                            /* pGetNearestColor */
  80     NULL,                            /* pGetPixel */
  81     NULL,                            /* pGetPixelFormat */
  82     NULL,                            /* pGetSystemPaletteEntries */
  83     NULL,                            /* pGetTextExtentPoint */
  84     NULL,                            /* pGetTextMetrics */
  85     EMFDRV_IntersectClipRect,        /* pIntersectClipRect */
  86     EMFDRV_InvertRgn,                /* pInvertRgn */
  87     EMFDRV_LineTo,                   /* pLineTo */
  88     EMFDRV_ModifyWorldTransform,     /* pModifyWorldTransform */
  89     EMFDRV_MoveTo,                   /* pMoveTo */
  90     EMFDRV_OffsetClipRgn,            /* pOffsetClipRgn */
  91     EMFDRV_OffsetViewportOrg,        /* pOffsetViewportOrg */
  92     EMFDRV_OffsetWindowOrg,          /* pOffsetWindowOrg */
  93     EMFDRV_PaintRgn,                 /* pPaintRgn */
  94     EMFDRV_PatBlt,                   /* pPatBlt */
  95     EMFDRV_Pie,                      /* pPie */
  96     NULL,                            /* pPolyBezier */
  97     NULL,                            /* pPolyBezierTo */
  98     NULL,                            /* pPolyDraw */
  99     EMFDRV_PolyPolygon,              /* pPolyPolygon */
 100     EMFDRV_PolyPolyline,             /* pPolyPolyline */
 101     EMFDRV_Polygon,                  /* pPolygon */
 102     EMFDRV_Polyline,                 /* pPolyline */
 103     NULL,                            /* pPolylineTo */
 104     NULL,                            /* pRealizeDefaultPalette */
 105     NULL,                            /* pRealizePalette */
 106     EMFDRV_Rectangle,                /* pRectangle */
 107     NULL,                            /* pResetDC */
 108     EMFDRV_RestoreDC,                /* pRestoreDC */
 109     EMFDRV_RoundRect,                /* pRoundRect */
 110     EMFDRV_SaveDC,                   /* pSaveDC */
 111     EMFDRV_ScaleViewportExt,         /* pScaleViewportExt */
 112     EMFDRV_ScaleWindowExt,           /* pScaleWindowExt */
 113     EMFDRV_SelectBitmap,             /* pSelectBitmap */
 114     EMFDRV_SelectBrush,              /* pSelectBrush */
 115     EMFDRV_SelectClipPath,           /* pSelectClipPath */
 116     EMFDRV_SelectFont,               /* pSelectFont */
 117     NULL,                            /* pSelectPalette */
 118     EMFDRV_SelectPen,                /* pSelectPen */
 119     EMFDRV_SetArcDirection,          /* pSetArcDirection */
 120     NULL,                            /* pSetBitmapBits */
 121     EMFDRV_SetBkColor,               /* pSetBkColor */
 122     EMFDRV_SetBkMode,                /* pSetBkMode */
 123     NULL,                            /* pSetDCBrushColor */
 124     NULL,                            /* pSetDCOrg */
 125     NULL,                            /* pSetDCPenColor */
 126     NULL,                            /* pSetDIBColorTable */
 127     NULL,                            /* pSetDIBits */
 128     EMFDRV_SetDIBitsToDevice,        /* pSetDIBitsToDevice */
 129     NULL,                            /* pSetDeviceClipping */
 130     NULL,                            /* pSetDeviceGammaRamp */
 131     EMFDRV_SetMapMode,               /* pSetMapMode */
 132     EMFDRV_SetMapperFlags,           /* pSetMapperFlags */
 133     NULL,                            /* pSetPixel */
 134     NULL,                            /* pSetPixelFormat */
 135     EMFDRV_SetPolyFillMode,          /* pSetPolyFillMode */
 136     EMFDRV_SetROP2,                  /* pSetROP2 */
 137     NULL,                            /* pSetRelAbs */
 138     EMFDRV_SetStretchBltMode,        /* pSetStretchBltMode */
 139     EMFDRV_SetTextAlign,             /* pSetTextAlign */
 140     NULL,                            /* pSetTextCharacterExtra */
 141     EMFDRV_SetTextColor,             /* pSetTextColor */
 142     EMFDRV_SetTextJustification,     /* pSetTextJustification */
 143     EMFDRV_SetViewportExt,           /* pSetViewportExt */
 144     EMFDRV_SetViewportOrg,           /* pSetViewportOrg */
 145     EMFDRV_SetWindowExt,             /* pSetWindowExt */
 146     EMFDRV_SetWindowOrg,             /* pSetWindowOrg */
 147     EMFDRV_SetWorldTransform,        /* pSetWorldTransform */
 148     NULL,                            /* pStartDoc */
 149     NULL,                            /* pStartPage */
 150     EMFDRV_StretchBlt,               /* pStretchBlt */
 151     EMFDRV_StretchDIBits,            /* pStretchDIBits */
 152     EMFDRV_StrokeAndFillPath,        /* pStrokeAndFillPath */
 153     EMFDRV_StrokePath,               /* pStrokePath */
 154     NULL,                            /* pSwapBuffers */
 155     EMFDRV_WidenPath                 /* pWidenPath */
 156 };
 157
 158
 159 /**********************************************************************
 160  *           EMFDRV_DeleteDC
 161  */
 162 static BOOL EMFDRV_DeleteDC( PHYSDEV dev )
 163 {
 164     EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE *)dev;
 165     DC *dc = physDev->dc;
 166     UINT index;
 167
 168     if (physDev->emh) HeapFree( GetProcessHeap(), 0, physDev->emh );
 169     for(index = 0; index < physDev->handles_size; index++)
 170         if(physDev->handles[index])
 171             GDI_hdc_not_using_object(physDev->handles[index], physDev->hdc);
 172     HeapFree( GetProcessHeap(), 0, physDev->handles );
 173     HeapFree( GetProcessHeap(), 0, physDev );
 174     dc->physDev = NULL;
 175     GDI_FreeObject( dc->hSelf, dc );
 176     return TRUE;
 177 }
 178
 179
 180 /******************************************************************
 181  *         EMFDRV_WriteRecord
 182  *
 183  * Warning: this function can change the pointer to the metafile header.
 184  */
 185 BOOL EMFDRV_WriteRecord( PHYSDEV dev, EMR *emr )
 186 {
 187     DWORD len;
 188     ENHMETAHEADER *emh;
 189     EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE *)dev;
 190
 191     TRACE("record %ld, size %ld %s\n",
 192           emr->iType, emr->nSize, physDev->hFile ? "(to disk)" : "");
 193
 194     assert( !(emr->nSize & 3) );
 195
 196     physDev->emh->nBytes += emr->nSize;
 197     physDev->emh->nRecords++;
 198
 199     if(physDev->hFile) {
 200         if (!WriteFile(physDev->hFile, (char *)emr, emr->nSize, NULL, NULL))
 201             return FALSE;
 202     } else {
 203         DWORD nEmfSize = HeapSize(GetProcessHeap(), 0, physDev->emh);
 204         len = physDev->emh->nBytes;
 205         if (len > nEmfSize) {
 206             nEmfSize += (nEmfSize / 2) + emr->nSize;
 207             emh = HeapReAlloc(GetProcessHeap(), 0, physDev->emh, nEmfSize);
 208             if (!emh) return FALSE;
 209             physDev->emh = emh;
 210         }
 211         memcpy((CHAR *)physDev->emh + physDev->emh->nBytes - emr->nSize, emr,
 212                emr->nSize);
 213     }
 214     return TRUE;
 215 }
 216
 217
 218 /******************************************************************
 219  *         EMFDRV_UpdateBBox
 220  */
 221 void EMFDRV_UpdateBBox( PHYSDEV dev, RECTL *rect )
 222 {
 223     EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE *)dev;
 224     RECTL *bounds = &physDev->emh->rclBounds;
 225     RECTL vportRect = *rect;
 226
 227     LPtoDP(physDev->hdc, (LPPOINT)&vportRect, 2);
 228
 229     if(bounds->left > bounds->right) {/* first rect */
 230         *bounds = vportRect;
 231         return;
 232     }
 233     bounds->left   = min(bounds->left,   vportRect.left);
 234     bounds->top    = min(bounds->top,    vportRect.top);
 235     bounds->right  = max(bounds->right,  vportRect.right);
 236     bounds->bottom = max(bounds->bottom, vportRect.bottom);
 237     return;
 238 }
 239
 240 /**********************************************************************
 241  *          CreateEnhMetaFileA   (GDI32.@)
 242  */
 243 HDC WINAPI CreateEnhMetaFileA(
 244     HDC hdc,           /* [in] optional reference DC */
 245     LPCSTR filename,   /* [in] optional filename for disk metafiles */
 246     const RECT *rect,  /* [in] optional bounding rectangle */
 247     LPCSTR description /* [in] optional description */
 248     )
 249 {
 250     LPWSTR filenameW = NULL;
 251     LPWSTR descriptionW = NULL;
 252     HDC hReturnDC;
 253     DWORD len1, len2, total;
 254
 255     if(filename)
 256     {
 257         total = MultiByteToWideChar( CP_ACP, 0, filename, -1, NULL, 0 );
 258         filenameW = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) );
 259         MultiByteToWideChar( CP_ACP, 0, filename, -1, filenameW, total );
 260     }
 261     if(description) {
 262         len1 = strlen(description);
 263         len2 = strlen(description + len1 + 1);
 264         total = MultiByteToWideChar( CP_ACP, 0, description, len1 + len2 + 3, NULL, 0 );
 265         descriptionW = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) );
 266         MultiByteToWideChar( CP_ACP, 0, description, len1 + len2 + 3, descriptionW, total );
 267     }
 268
 269     hReturnDC = CreateEnhMetaFileW(hdc, filenameW, rect, descriptionW);
 270
 271     if(filenameW)
 272         HeapFree( GetProcessHeap(), 0, filenameW );
 273     if(descriptionW)
 274         HeapFree( GetProcessHeap(), 0, descriptionW );
 275
 276     return hReturnDC;
 277 }
 278
 279 /**********************************************************************
 280  *          CreateEnhMetaFileW   (GDI32.@)
 281  */
 282 HDC WINAPI CreateEnhMetaFileW(
 283     HDC           hdc,        /* [in] optional reference DC */
 284     LPCWSTR       filename,   /* [in] optional filename for disk metafiles */
 285     const RECT*   rect,       /* [in] optional bounding rectangle */
 286     LPCWSTR       description /* [in] optional description */
 287     )
 288 {
 289     static const WCHAR displayW[] = {'D','I','S','P','L','A','Y',0};
 290     HDC ret;
 291     DC *dc;
 292     HDC hRefDC = hdc ? hdc : CreateDCW(displayW,NULL,NULL,NULL);
 293         /* If no ref, use current display */
 294     EMFDRV_PDEVICE *physDev;
 295     HANDLE hFile;
 296     DWORD size = 0, length = 0;
 297
 298     TRACE("%s\n", debugstr_w(filename) );
 299
 300     if (!(dc = DC_AllocDC( &EMFDRV_Funcs, ENHMETAFILE_DC_MAGIC ))) return 0;
 301
 302     physDev = HeapAlloc(GetProcessHeap(),0,sizeof(*physDev));
 303     if (!physDev) {
 304         GDI_FreeObject( dc->hSelf, dc );
 305         return 0;
 306     }
 307     dc->physDev = (PHYSDEV)physDev;
 308     physDev->hdc = dc->hSelf;
 309     physDev->dc = dc;
 310
 311     if(description) { /* App name\0Title\0\0 */
 312         length = lstrlenW(description);
 313         length += lstrlenW(description + length + 1);
 314         length += 3;
 315         length *= 2;
 316     }
 317     size = sizeof(ENHMETAHEADER) + (length + 3) / 4 * 4;
 318
 319     if (!(physDev->emh = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, size))) {
 320         HeapFree( GetProcessHeap(), 0, physDev );
 321         GDI_FreeObject( dc->hSelf, dc );
 322         return 0;
 323     }
 324
 325     physDev->handles = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, HANDLE_LIST_INC * sizeof(physDev->handles[0]));
 326     physDev->handles_size = HANDLE_LIST_INC;
 327     physDev->cur_handles = 1;
 328     physDev->hFile = 0;
 329
 330     physDev->horzres = GetDeviceCaps(hRefDC, HORZRES);
 331     physDev->vertres = GetDeviceCaps(hRefDC, VERTRES);
 332     physDev->logpixelsx = GetDeviceCaps(hRefDC, LOGPIXELSX);
 333     physDev->logpixelsy = GetDeviceCaps(hRefDC, LOGPIXELSY);
 334     physDev->horzsize = GetDeviceCaps(hRefDC, HORZSIZE);
 335     physDev->vertsize = GetDeviceCaps(hRefDC, VERTSIZE);
 336     physDev->bitspixel = GetDeviceCaps(hRefDC, BITSPIXEL);
 337     physDev->textcaps = GetDeviceCaps(hRefDC, TEXTCAPS);
 338     physDev->rastercaps = GetDeviceCaps(hRefDC, RASTERCAPS);
 339     physDev->technology = GetDeviceCaps(hRefDC, TECHNOLOGY);
 340     physDev->planes = GetDeviceCaps(hRefDC, PLANES);
 341
 342     physDev->emh->iType = EMR_HEADER;
 343     physDev->emh->nSize = size;
 344
 345     physDev->emh->rclBounds.left = physDev->emh->rclBounds.top = 0;
 346     physDev->emh->rclBounds.right = physDev->emh->rclBounds.bottom = -1;
 347
 348     if(rect) {
 349         physDev->emh->rclFrame.left   = rect->left;
 350         physDev->emh->rclFrame.top    = rect->top;
 351         physDev->emh->rclFrame.right  = rect->right;
 352         physDev->emh->rclFrame.bottom = rect->bottom;
 353     } else {  /* Set this to {0,0 - -1,-1} and update it at the end */
 354         physDev->emh->rclFrame.left = physDev->emh->rclFrame.top = 0;
 355         physDev->emh->rclFrame.right = physDev->emh->rclFrame.bottom = -1;
 356     }
 357
 358     physDev->emh->dSignature = ENHMETA_SIGNATURE;
 359     physDev->emh->nVersion = 0x10000;
 360     physDev->emh->nBytes = physDev->emh->nSize;
 361     physDev->emh->nRecords = 1;
 362     physDev->emh->nHandles = 1;
 363
 364     physDev->emh->sReserved = 0; /* According to docs, this is reserved and must be 0 */
 365     physDev->emh->nDescription = length / 2;
 366
 367     physDev->emh->offDescription = length ? sizeof(ENHMETAHEADER) : 0;
 368
 369     physDev->emh->nPalEntries = 0; /* I guess this should start at 0 */
 370
 371     /* Size in pixels */
 372     physDev->emh->szlDevice.cx = physDev->horzres;
 373     physDev->emh->szlDevice.cy = physDev->vertres;
 374
 375     /* Size in millimeters */
 376     physDev->emh->szlMillimeters.cx = physDev->horzsize;
 377     physDev->emh->szlMillimeters.cy = physDev->vertsize;
 378
 379     /* Size in micrometers */
 380     physDev->emh->szlMicrometers.cx = physDev->horzsize * 1000;
 381     physDev->emh->szlMicrometers.cy = physDev->vertsize * 1000;
 382
 383     memcpy((char *)physDev->emh + sizeof(ENHMETAHEADER), description, length);
 384
 385     if (filename)  /* disk based metafile */
 386     {
 387         if ((hFile = CreateFileW(filename, GENERIC_WRITE | GENERIC_READ, 0,
 388                                  NULL, CREATE_ALWAYS, 0, 0)) == INVALID_HANDLE_VALUE) {
 389             EMFDRV_DeleteDC( dc->physDev );
 390             return 0;
 391         }
 392         if (!WriteFile( hFile, (LPSTR)physDev->emh, size, NULL, NULL )) {
 393             EMFDRV_DeleteDC( dc->physDev );
 394             return 0;
 395         }
 396         physDev->hFile = hFile;
 397     }
 398
 399     TRACE("returning %p\n", dc->hSelf);
 400     ret = dc->hSelf;
 401     GDI_ReleaseObj( dc->hSelf );
 402
 403     if( !hdc )
 404       DeleteDC( hRefDC );
 405
 406     return ret;
 407 }
 408
 409 /******************************************************************
 410  *             CloseEnhMetaFile (GDI32.@)
 411  */
 412 HENHMETAFILE WINAPI CloseEnhMetaFile(HDC hdc) /* [in] metafile DC */
 413 {
 414     HENHMETAFILE hmf;
 415     EMFDRV_PDEVICE *physDev;
 416     DC *dc;
 417     EMREOF emr;
 418     HANDLE hMapping = 0;
 419
 420     TRACE("(%p)\n", hdc );
 421
 422     if (!(dc = (DC *) GDI_GetObjPtr( hdc, ENHMETAFILE_DC_MAGIC ))) return 0;
 423     physDev = (EMFDRV_PDEVICE *)dc->physDev;
 424
 425     emr.emr.iType = EMR_EOF;
 426     emr.emr.nSize = sizeof(emr);
 427     emr.nPalEntries = 0;
 428     emr.offPalEntries = 0;
 429     emr.nSizeLast = emr.emr.nSize;
 430     EMFDRV_WriteRecord( dc->physDev, &emr.emr );
 431
 432     /* Update rclFrame if not initialized in CreateEnhMetaFile */
 433     if(physDev->emh->rclFrame.left > physDev->emh->rclFrame.right) {
 434         physDev->emh->rclFrame.left = physDev->emh->rclBounds.left *
 435           physDev->emh->szlMillimeters.cx * 100 / physDev->emh->szlDevice.cx;
 436         physDev->emh->rclFrame.top = physDev->emh->rclBounds.top *
 437           physDev->emh->szlMillimeters.cy * 100 / physDev->emh->szlDevice.cy;
 438         physDev->emh->rclFrame.right = physDev->emh->rclBounds.right *
 439           physDev->emh->szlMillimeters.cx * 100 / physDev->emh->szlDevice.cx;
 440         physDev->emh->rclFrame.bottom = physDev->emh->rclBounds.bottom *
 441           physDev->emh->szlMillimeters.cy * 100 / physDev->emh->szlDevice.cy;
 442     }
 443
 444     if (physDev->hFile)  /* disk based metafile */
 445     {
 446         if (SetFilePointer(physDev->hFile, 0, NULL, FILE_BEGIN) != 0)
 447         {
 448             CloseHandle( physDev->hFile );
 449             EMFDRV_DeleteDC( dc->physDev );
 450             return 0;
 451         }
 452
 453         if (!WriteFile(physDev->hFile, (LPSTR)physDev->emh,
 454                        sizeof(*physDev->emh), NULL, NULL))
 455         {
 456             CloseHandle( physDev->hFile );
 457             EMFDRV_DeleteDC( dc->physDev );
 458             return 0;
 459         }
 460         HeapFree( GetProcessHeap(), 0, physDev->emh );
 461         hMapping = CreateFileMappingA(physDev->hFile, NULL, PAGE_READONLY, 0,
 462                                       0, NULL);
 463         TRACE("hMapping = %p\n", hMapping );
 464         physDev->emh = MapViewOfFile(hMapping, FILE_MAP_READ, 0, 0, 0);
 465         TRACE("view = %p\n", physDev->emh );
 466         CloseHandle( hMapping );
 467         CloseHandle( physDev->hFile );
 468     }
 469
 470     hmf = EMF_Create_HENHMETAFILE( physDev->emh, (physDev->hFile != 0) );
 471     physDev->emh = NULL;  /* So it won't be deleted */
 472     EMFDRV_DeleteDC( dc->physDev );
 473     return hmf;
 474 }