2 * Enhanced MetaFile objects
4 * Copyright 1999 Huw D M Davies
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.
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.
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
25 #include "enhmfdrv/enhmetafiledrv.h"
26 #include "gdi_private.h"
27 #include "wine/debug.h"
29 WINE_DEFAULT_DEBUG_CHANNEL(enhmetafile);
32 /******************************************************************
35 static UINT EMFDRV_AddHandle( PHYSDEV dev, HGDIOBJ obj )
37 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE *)dev;
40 for(index = 0; index < physDev->handles_size; index++)
41 if(physDev->handles[index] == 0) break;
42 if(index == physDev->handles_size) {
43 physDev->handles_size += HANDLE_LIST_INC;
44 physDev->handles = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
46 physDev->handles_size * sizeof(physDev->handles[0]));
48 physDev->handles[index] = obj;
50 physDev->cur_handles++;
51 if(physDev->cur_handles > physDev->emh->nHandles)
52 physDev->emh->nHandles++;
54 return index + 1; /* index 0 is reserved for the hmf, so we increment everything by 1 */
57 /******************************************************************
60 static UINT EMFDRV_FindObject( PHYSDEV dev, HGDIOBJ obj )
62 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*) dev;
65 for(index = 0; index < physDev->handles_size; index++)
66 if(physDev->handles[index] == obj) break;
68 if(index == physDev->handles_size) return 0;
74 /******************************************************************
77 BOOL EMFDRV_DeleteObject( PHYSDEV dev, HGDIOBJ obj )
80 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*) dev;
84 if(!(index = EMFDRV_FindObject(dev, obj))) return 0;
86 emr.emr.iType = EMR_DELETEOBJECT;
87 emr.emr.nSize = sizeof(emr);
90 if(!EMFDRV_WriteRecord( dev, &emr.emr ))
93 physDev->handles[index - 1] = 0;
94 physDev->cur_handles--;
99 /***********************************************************************
100 * EMFDRV_SelectBitmap
102 HBITMAP EMFDRV_SelectBitmap( PHYSDEV dev, HBITMAP hbitmap )
108 /***********************************************************************
109 * EMFDRV_CreateBrushIndirect
111 DWORD EMFDRV_CreateBrushIndirect( PHYSDEV dev, HBRUSH hBrush )
116 if (!GetObjectA( hBrush, sizeof(logbrush), &logbrush )) return 0;
118 switch (logbrush.lbStyle) {
123 EMRCREATEBRUSHINDIRECT emr;
124 emr.emr.iType = EMR_CREATEBRUSHINDIRECT;
125 emr.emr.nSize = sizeof(emr);
126 emr.ihBrush = index = EMFDRV_AddHandle( dev, hBrush );
127 emr.lb.lbStyle = logbrush.lbStyle;
128 emr.lb.lbColor = logbrush.lbColor;
129 emr.lb.lbHatch = logbrush.lbHatch;
131 if(!EMFDRV_WriteRecord( dev, &emr.emr ))
137 EMRCREATEDIBPATTERNBRUSHPT *emr;
138 DWORD bmSize, biSize, size;
139 BITMAPINFO *info = GlobalLock( (HGLOBAL)logbrush.lbHatch );
141 if (info->bmiHeader.biCompression)
142 bmSize = info->bmiHeader.biSizeImage;
144 bmSize = get_dib_image_size( info );
145 biSize = bitmap_info_size(info, LOWORD(logbrush.lbColor));
146 size = sizeof(EMRCREATEDIBPATTERNBRUSHPT) + biSize + bmSize;
147 emr = HeapAlloc( GetProcessHeap(), 0, size );
149 emr->emr.iType = EMR_CREATEDIBPATTERNBRUSHPT;
150 emr->emr.nSize = size;
151 emr->ihBrush = index = EMFDRV_AddHandle( dev, hBrush );
152 emr->iUsage = LOWORD(logbrush.lbColor);
153 emr->offBmi = sizeof(EMRCREATEDIBPATTERNBRUSHPT);
155 emr->offBits = sizeof(EMRCREATEDIBPATTERNBRUSHPT) + biSize;
156 emr->cbBits = bmSize;
157 memcpy((char *)emr + sizeof(EMRCREATEDIBPATTERNBRUSHPT), info,
160 if(!EMFDRV_WriteRecord( dev, &emr->emr ))
162 HeapFree( GetProcessHeap(), 0, emr );
163 GlobalUnlock( (HGLOBAL)logbrush.lbHatch );
169 EMRCREATEDIBPATTERNBRUSHPT *emr;
170 char buffer[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )];
171 BITMAPINFO *dst_info, *src_info = (BITMAPINFO *)buffer;
172 struct gdi_image_bits bits;
175 if (!get_bitmap_image( (HANDLE)logbrush.lbHatch, src_info, &bits )) break;
176 if (src_info->bmiHeader.biBitCount != 1)
178 FIXME("Trying to create a color pattern brush\n");
179 if (bits.free) bits.free( &bits );
183 /* FIXME: There is an extra DWORD written by native before the BMI.
184 * Not sure what its meant to contain.
186 size = sizeof(EMRCREATEDIBPATTERNBRUSHPT) + sizeof(DWORD) +
187 sizeof(BITMAPINFOHEADER) + src_info->bmiHeader.biSizeImage;
189 emr = HeapAlloc( GetProcessHeap(), 0, size );
192 if (bits.free) bits.free( &bits );
196 dst_info = (BITMAPINFO *)((LPBYTE)(emr + 1) + sizeof(DWORD));
197 dst_info->bmiHeader = src_info->bmiHeader;
198 memcpy( &dst_info->bmiHeader + 1, bits.ptr, dst_info->bmiHeader.biSizeImage );
199 if (bits.free) bits.free( &bits );
201 emr->emr.iType = EMR_CREATEMONOBRUSH;
202 emr->emr.nSize = size;
203 emr->ihBrush = index = EMFDRV_AddHandle( dev, hBrush );
204 /* Presumably to reduce the size of the written EMF, MS supports an
205 * undocumented iUsage value of 2, indicating a mono bitmap without the
206 * 8 byte 2 entry black/white palette. Stupidly, they could have saved
207 * over 20 bytes more by also ignoring the BITMAPINFO fields that are
208 * irrelevant/constant for monochrome bitmaps.
209 * FIXME: It may be that the DIB functions themselves accept this value.
211 emr->iUsage = DIB_PAL_MONO;
212 emr->offBmi = (LPBYTE)dst_info - (LPBYTE)emr;
213 emr->cbBmi = sizeof( BITMAPINFOHEADER );
214 emr->offBits = emr->offBmi + emr->cbBmi;
215 emr->cbBits = dst_info->bmiHeader.biSizeImage;
217 if(!EMFDRV_WriteRecord( dev, &emr->emr ))
219 HeapFree( GetProcessHeap(), 0, emr );
224 FIXME("Unknown style %x\n", logbrush.lbStyle);
231 /***********************************************************************
234 HBRUSH EMFDRV_SelectBrush(PHYSDEV dev, HBRUSH hBrush )
236 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*)dev;
241 if (physDev->restoring) return hBrush; /* don't output SelectObject records during RestoreDC */
243 /* If the object is a stock brush object, do not need to create it.
244 * See definitions in wingdi.h for range of stock brushes.
245 * We do however have to handle setting the higher order bit to
246 * designate that this is a stock object.
248 for (i = WHITE_BRUSH; i <= DC_BRUSH; i++)
250 if (hBrush == GetStockObject(i))
252 index = i | 0x80000000;
256 if((index = EMFDRV_FindObject(dev, hBrush)) != 0)
259 if (!(index = EMFDRV_CreateBrushIndirect(dev, hBrush ))) return 0;
260 GDI_hdc_using_object(hBrush, dev->hdc);
263 emr.emr.iType = EMR_SELECTOBJECT;
264 emr.emr.nSize = sizeof(emr);
265 emr.ihObject = index;
266 return EMFDRV_WriteRecord( dev, &emr.emr ) ? hBrush : 0;
270 /******************************************************************
271 * EMFDRV_CreateFontIndirect
273 static BOOL EMFDRV_CreateFontIndirect(PHYSDEV dev, HFONT hFont )
276 EMREXTCREATEFONTINDIRECTW emr;
279 if (!GetObjectW( hFont, sizeof(emr.elfw.elfLogFont), &emr.elfw.elfLogFont )) return 0;
281 emr.emr.iType = EMR_EXTCREATEFONTINDIRECTW;
282 emr.emr.nSize = (sizeof(emr) + 3) / 4 * 4;
283 emr.ihFont = index = EMFDRV_AddHandle( dev, hFont );
284 emr.elfw.elfFullName[0] = '\0';
285 emr.elfw.elfStyle[0] = '\0';
286 emr.elfw.elfVersion = 0;
287 emr.elfw.elfStyleSize = 0;
288 emr.elfw.elfMatch = 0;
289 emr.elfw.elfReserved = 0;
290 for(i = 0; i < ELF_VENDOR_SIZE; i++)
291 emr.elfw.elfVendorId[i] = 0;
292 emr.elfw.elfCulture = PAN_CULTURE_LATIN;
293 emr.elfw.elfPanose.bFamilyType = PAN_NO_FIT;
294 emr.elfw.elfPanose.bSerifStyle = PAN_NO_FIT;
295 emr.elfw.elfPanose.bWeight = PAN_NO_FIT;
296 emr.elfw.elfPanose.bProportion = PAN_NO_FIT;
297 emr.elfw.elfPanose.bContrast = PAN_NO_FIT;
298 emr.elfw.elfPanose.bStrokeVariation = PAN_NO_FIT;
299 emr.elfw.elfPanose.bArmStyle = PAN_NO_FIT;
300 emr.elfw.elfPanose.bLetterform = PAN_NO_FIT;
301 emr.elfw.elfPanose.bMidline = PAN_NO_FIT;
302 emr.elfw.elfPanose.bXHeight = PAN_NO_FIT;
304 if(!EMFDRV_WriteRecord( dev, &emr.emr ))
310 /***********************************************************************
313 HFONT EMFDRV_SelectFont( PHYSDEV dev, HFONT hFont )
315 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*)dev;
320 if (physDev->restoring) goto done; /* don't output SelectObject records during RestoreDC */
322 /* If the object is a stock font object, do not need to create it.
323 * See definitions in wingdi.h for range of stock fonts.
324 * We do however have to handle setting the higher order bit to
325 * designate that this is a stock object.
328 for (i = OEM_FIXED_FONT; i <= DEFAULT_GUI_FONT; i++)
330 if (i != DEFAULT_PALETTE && hFont == GetStockObject(i))
332 index = i | 0x80000000;
337 if((index = EMFDRV_FindObject(dev, hFont)) != 0)
340 if (!(index = EMFDRV_CreateFontIndirect(dev, hFont ))) return 0;
341 GDI_hdc_using_object(hFont, dev->hdc);
344 emr.emr.iType = EMR_SELECTOBJECT;
345 emr.emr.nSize = sizeof(emr);
346 emr.ihObject = index;
347 if(!EMFDRV_WriteRecord( dev, &emr.emr ))
350 dev = GET_NEXT_PHYSDEV( dev, pSelectFont );
351 dev->funcs->pSelectFont( dev, hFont );
357 /******************************************************************
358 * EMFDRV_CreatePenIndirect
360 static DWORD EMFDRV_CreatePenIndirect(PHYSDEV dev, HPEN hPen)
365 if (!GetObjectW( hPen, sizeof(emr.lopn), &emr.lopn ))
367 /* must be an extended pen */
369 INT size = GetObjectW( hPen, 0, NULL );
373 elp = HeapAlloc( GetProcessHeap(), 0, size );
375 GetObjectW( hPen, size, elp );
376 /* FIXME: add support for user style pens */
377 emr.lopn.lopnStyle = elp->elpPenStyle;
378 emr.lopn.lopnWidth.x = elp->elpWidth;
379 emr.lopn.lopnWidth.y = 0;
380 emr.lopn.lopnColor = elp->elpColor;
382 HeapFree( GetProcessHeap(), 0, elp );
385 emr.emr.iType = EMR_CREATEPEN;
386 emr.emr.nSize = sizeof(emr);
387 emr.ihPen = index = EMFDRV_AddHandle( dev, hPen );
389 if(!EMFDRV_WriteRecord( dev, &emr.emr ))
394 /******************************************************************
397 HPEN EMFDRV_SelectPen(PHYSDEV dev, HPEN hPen )
399 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*)dev;
404 if (physDev->restoring) return hPen; /* don't output SelectObject records during RestoreDC */
406 /* If the object is a stock pen object, do not need to create it.
407 * See definitions in wingdi.h for range of stock pens.
408 * We do however have to handle setting the higher order bit to
409 * designate that this is a stock object.
412 for (i = WHITE_PEN; i <= DC_PEN; i++)
414 if (hPen == GetStockObject(i))
416 index = i | 0x80000000;
420 if((index = EMFDRV_FindObject(dev, hPen)) != 0)
423 if (!(index = EMFDRV_CreatePenIndirect(dev, hPen))) return 0;
424 GDI_hdc_using_object(hPen, dev->hdc);
427 emr.emr.iType = EMR_SELECTOBJECT;
428 emr.emr.nSize = sizeof(emr);
429 emr.ihObject = index;
430 return EMFDRV_WriteRecord( dev, &emr.emr ) ? hPen : 0;
434 /******************************************************************
435 * EMFDRV_CreatePalette
437 static DWORD EMFDRV_CreatePalette(PHYSDEV dev, HPALETTE hPal)
441 EMRCREATEPALETTE hdr;
442 PALETTEENTRY entry[255];
445 memset( &pal, 0, sizeof(pal) );
447 if (!GetObjectW( hPal, sizeof(pal.hdr.lgpl) + sizeof(pal.entry), &pal.hdr.lgpl ))
450 for (i = 0; i < pal.hdr.lgpl.palNumEntries; i++)
451 pal.hdr.lgpl.palPalEntry[i].peFlags = 0;
453 pal.hdr.emr.iType = EMR_CREATEPALETTE;
454 pal.hdr.emr.nSize = sizeof(pal.hdr) + pal.hdr.lgpl.palNumEntries * sizeof(PALETTEENTRY);
455 pal.hdr.ihPal = EMFDRV_AddHandle( dev, hPal );
457 if (!EMFDRV_WriteRecord( dev, &pal.hdr.emr ))
459 return pal.hdr.ihPal;
462 /******************************************************************
463 * EMFDRV_SelectPalette
465 HPALETTE EMFDRV_SelectPalette( PHYSDEV dev, HPALETTE hPal, BOOL force )
467 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*)dev;
468 EMRSELECTPALETTE emr;
471 if (physDev->restoring) return hPal; /* don't output SelectObject records during RestoreDC */
473 if (hPal == GetStockObject( DEFAULT_PALETTE ))
475 index = DEFAULT_PALETTE | 0x80000000;
479 if ((index = EMFDRV_FindObject( dev, hPal )) != 0)
482 if (!(index = EMFDRV_CreatePalette( dev, hPal ))) return 0;
483 GDI_hdc_using_object( hPal, dev->hdc );
486 emr.emr.iType = EMR_SELECTPALETTE;
487 emr.emr.nSize = sizeof(emr);
489 return EMFDRV_WriteRecord( dev, &emr.emr ) ? hPal : 0;
492 /******************************************************************
493 * EMFDRV_SetDCBrushColor
495 COLORREF EMFDRV_SetDCBrushColor( PHYSDEV dev, COLORREF color )
497 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*)dev;
501 if (GetCurrentObject( dev->hdc, OBJ_BRUSH ) != GetStockObject( DC_BRUSH )) return color;
503 if (physDev->dc_brush) DeleteObject( physDev->dc_brush );
504 if (!(physDev->dc_brush = CreateSolidBrush( color ))) return CLR_INVALID;
505 if (!(index = EMFDRV_CreateBrushIndirect(dev, physDev->dc_brush ))) return CLR_INVALID;
506 GDI_hdc_using_object( physDev->dc_brush, dev->hdc );
507 emr.emr.iType = EMR_SELECTOBJECT;
508 emr.emr.nSize = sizeof(emr);
509 emr.ihObject = index;
510 return EMFDRV_WriteRecord( dev, &emr.emr ) ? color : CLR_INVALID;
513 /******************************************************************
514 * EMFDRV_SetDCPenColor
516 COLORREF EMFDRV_SetDCPenColor( PHYSDEV dev, COLORREF color )
518 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*)dev;
521 LOGPEN logpen = { PS_SOLID, { 0, 0 }, color };
523 if (GetCurrentObject( dev->hdc, OBJ_PEN ) != GetStockObject( DC_PEN )) return color;
525 if (physDev->dc_pen) DeleteObject( physDev->dc_pen );
526 if (!(physDev->dc_pen = CreatePenIndirect( &logpen ))) return CLR_INVALID;
527 if (!(index = EMFDRV_CreatePenIndirect(dev, physDev->dc_pen))) return CLR_INVALID;
528 GDI_hdc_using_object( physDev->dc_pen, dev->hdc );
529 emr.emr.iType = EMR_SELECTOBJECT;
530 emr.emr.nSize = sizeof(emr);
531 emr.ihObject = index;
532 return EMFDRV_WriteRecord( dev, &emr.emr ) ? color : CLR_INVALID;
535 /******************************************************************
538 BOOL EMFDRV_GdiComment(PHYSDEV dev, UINT bytes, CONST BYTE *buffer)
541 UINT total, rounded_size;
544 rounded_size = (bytes+3) & ~3;
545 total = offsetof(EMRGDICOMMENT,Data) + rounded_size;
547 emr = HeapAlloc(GetProcessHeap(), 0, total);
548 emr->emr.iType = EMR_GDICOMMENT;
549 emr->emr.nSize = total;
551 memset(&emr->Data[bytes], 0, rounded_size - bytes);
552 memcpy(&emr->Data[0], buffer, bytes);
554 ret = EMFDRV_WriteRecord( dev, &emr->emr );
556 HeapFree(GetProcessHeap(), 0, emr);