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 /* Internal helper for EMFDRV_CreateBrushIndirect():
109 * Change the padding of a bitmap from 16 (BMP) to 32 (DIB) bits.
111 static inline void EMFDRV_PadTo32(LPBYTE lpRows, int height, int width)
113 int bytes16 = 2 * ((width + 15) / 16);
114 int bytes32 = 4 * ((width + 31) / 32);
121 height = abs(height) - 1;
122 lpSrc = lpRows + height * bytes16;
123 lpDst = lpRows + height * bytes32;
125 /* Note that we work backwards so we can re-pad in place */
128 for (i = bytes32; i > bytes16; i--)
129 lpDst[i - 1] = 0; /* Zero the padding bytes */
131 lpDst[i - 1] = lpSrc[i - 1]; /* Move image bytes into alignment */
138 /***********************************************************************
139 * EMFDRV_CreateBrushIndirect
141 DWORD EMFDRV_CreateBrushIndirect( PHYSDEV dev, HBRUSH hBrush )
146 if (!GetObjectA( hBrush, sizeof(logbrush), &logbrush )) return 0;
148 switch (logbrush.lbStyle) {
153 EMRCREATEBRUSHINDIRECT emr;
154 emr.emr.iType = EMR_CREATEBRUSHINDIRECT;
155 emr.emr.nSize = sizeof(emr);
156 emr.ihBrush = index = EMFDRV_AddHandle( dev, hBrush );
157 emr.lb.lbStyle = logbrush.lbStyle;
158 emr.lb.lbColor = logbrush.lbColor;
159 emr.lb.lbHatch = logbrush.lbHatch;
161 if(!EMFDRV_WriteRecord( dev, &emr.emr ))
167 EMRCREATEDIBPATTERNBRUSHPT *emr;
168 DWORD bmSize, biSize, size;
169 BITMAPINFO *info = GlobalLock16(logbrush.lbHatch);
171 if (info->bmiHeader.biCompression)
172 bmSize = info->bmiHeader.biSizeImage;
174 bmSize = DIB_GetDIBImageBytes(info->bmiHeader.biWidth,
175 info->bmiHeader.biHeight,
176 info->bmiHeader.biBitCount);
177 biSize = bitmap_info_size(info, LOWORD(logbrush.lbColor));
178 size = sizeof(EMRCREATEDIBPATTERNBRUSHPT) + biSize + bmSize;
179 emr = HeapAlloc( GetProcessHeap(), 0, size );
181 emr->emr.iType = EMR_CREATEDIBPATTERNBRUSHPT;
182 emr->emr.nSize = size;
183 emr->ihBrush = index = EMFDRV_AddHandle( dev, hBrush );
184 emr->iUsage = LOWORD(logbrush.lbColor);
185 emr->offBmi = sizeof(EMRCREATEDIBPATTERNBRUSHPT);
187 emr->offBits = sizeof(EMRCREATEDIBPATTERNBRUSHPT) + biSize;
188 emr->cbBits = bmSize;
189 memcpy((char *)emr + sizeof(EMRCREATEDIBPATTERNBRUSHPT), info,
192 if(!EMFDRV_WriteRecord( dev, &emr->emr ))
194 HeapFree( GetProcessHeap(), 0, emr );
195 GlobalUnlock16(logbrush.lbHatch);
201 EMRCREATEDIBPATTERNBRUSHPT *emr;
202 BITMAPINFOHEADER *info;
204 DWORD bmSize, biSize, size;
206 GetObjectA((HANDLE)logbrush.lbHatch, sizeof(bm), &bm);
208 if (bm.bmBitsPixel != 1 || bm.bmPlanes != 1)
210 FIXME("Trying to create a color pattern brush\n");
214 /* BMP will be aligned to 32 bits, not 16 */
215 bmSize = DIB_GetDIBImageBytes(bm.bmWidth, bm.bmHeight, bm.bmBitsPixel);
217 biSize = sizeof(BITMAPINFOHEADER);
218 /* FIXME: There is an extra DWORD written by native before the BMI.
219 * Not sure what its meant to contain.
221 size = sizeof(EMRCREATEDIBPATTERNBRUSHPT) + biSize + bmSize + sizeof(DWORD);
223 emr = HeapAlloc( GetProcessHeap(), 0, size );
227 info = (BITMAPINFOHEADER *)((LPBYTE)emr +
228 sizeof(EMRCREATEDIBPATTERNBRUSHPT) + sizeof(DWORD));
229 info->biSize = sizeof(BITMAPINFOHEADER);
230 info->biWidth = bm.bmWidth;
231 info->biHeight = bm.bmHeight;
232 info->biPlanes = bm.bmPlanes;
233 info->biBitCount = bm.bmBitsPixel;
234 info->biSizeImage = bmSize;
235 GetBitmapBits((HANDLE)logbrush.lbHatch,
236 bm.bmHeight * BITMAP_GetWidthBytes(bm.bmWidth, bm.bmBitsPixel),
237 (LPBYTE)info + sizeof(BITMAPINFOHEADER));
239 /* Change the padding to be DIB compatible if needed */
241 EMFDRV_PadTo32((LPBYTE)info + sizeof(BITMAPINFOHEADER), bm.bmWidth, bm.bmHeight);
243 emr->emr.iType = EMR_CREATEMONOBRUSH;
244 emr->emr.nSize = size;
245 emr->ihBrush = index = EMFDRV_AddHandle( dev, hBrush );
246 /* Presumably to reduce the size of the written EMF, MS supports an
247 * undocumented iUsage value of 2, indicating a mono bitmap without the
248 * 8 byte 2 entry black/white palette. Stupidly, they could have saved
249 * over 20 bytes more by also ignoring the BITMAPINFO fields that are
250 * irrelevant/constant for monochrome bitmaps.
251 * FIXME: It may be that the DIB functions themselves accept this value.
253 emr->iUsage = DIB_PAL_MONO;
254 emr->offBmi = (LPBYTE)info - (LPBYTE)emr;
256 emr->offBits = emr->offBmi + biSize;
257 emr->cbBits = bmSize;
259 if(!EMFDRV_WriteRecord( dev, &emr->emr ))
261 HeapFree( GetProcessHeap(), 0, emr );
266 FIXME("Unknown style %x\n", logbrush.lbStyle);
273 /***********************************************************************
276 HBRUSH EMFDRV_SelectBrush(PHYSDEV dev, HBRUSH hBrush )
278 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*)dev;
283 /* If the object is a stock brush object, do not need to create it.
284 * See definitions in wingdi.h for range of stock brushes.
285 * We do however have to handle setting the higher order bit to
286 * designate that this is a stock object.
288 for (i = WHITE_BRUSH; i <= NULL_BRUSH; i++)
290 if (hBrush == GetStockObject(i))
292 index = i | 0x80000000;
296 if((index = EMFDRV_FindObject(dev, hBrush)) != 0)
299 if (!(index = EMFDRV_CreateBrushIndirect(dev, hBrush ))) return 0;
300 GDI_hdc_using_object(hBrush, physDev->hdc);
303 emr.emr.iType = EMR_SELECTOBJECT;
304 emr.emr.nSize = sizeof(emr);
305 emr.ihObject = index;
306 return EMFDRV_WriteRecord( dev, &emr.emr ) ? hBrush : 0;
310 /******************************************************************
311 * EMFDRV_CreateFontIndirect
313 static BOOL EMFDRV_CreateFontIndirect(PHYSDEV dev, HFONT hFont )
316 EMREXTCREATEFONTINDIRECTW emr;
319 if (!GetObjectW( hFont, sizeof(emr.elfw.elfLogFont), &emr.elfw.elfLogFont )) return 0;
321 emr.emr.iType = EMR_EXTCREATEFONTINDIRECTW;
322 emr.emr.nSize = (sizeof(emr) + 3) / 4 * 4;
323 emr.ihFont = index = EMFDRV_AddHandle( dev, hFont );
324 emr.elfw.elfFullName[0] = '\0';
325 emr.elfw.elfStyle[0] = '\0';
326 emr.elfw.elfVersion = 0;
327 emr.elfw.elfStyleSize = 0;
328 emr.elfw.elfMatch = 0;
329 emr.elfw.elfReserved = 0;
330 for(i = 0; i < ELF_VENDOR_SIZE; i++)
331 emr.elfw.elfVendorId[i] = 0;
332 emr.elfw.elfCulture = PAN_CULTURE_LATIN;
333 emr.elfw.elfPanose.bFamilyType = PAN_NO_FIT;
334 emr.elfw.elfPanose.bSerifStyle = PAN_NO_FIT;
335 emr.elfw.elfPanose.bWeight = PAN_NO_FIT;
336 emr.elfw.elfPanose.bProportion = PAN_NO_FIT;
337 emr.elfw.elfPanose.bContrast = PAN_NO_FIT;
338 emr.elfw.elfPanose.bStrokeVariation = PAN_NO_FIT;
339 emr.elfw.elfPanose.bArmStyle = PAN_NO_FIT;
340 emr.elfw.elfPanose.bLetterform = PAN_NO_FIT;
341 emr.elfw.elfPanose.bMidline = PAN_NO_FIT;
342 emr.elfw.elfPanose.bXHeight = PAN_NO_FIT;
344 if(!EMFDRV_WriteRecord( dev, &emr.emr ))
350 /***********************************************************************
353 HFONT EMFDRV_SelectFont( PHYSDEV dev, HFONT hFont, HANDLE gdiFont )
355 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*)dev;
360 /* If the object is a stock font object, do not need to create it.
361 * See definitions in wingdi.h for range of stock fonts.
362 * We do however have to handle setting the higher order bit to
363 * designate that this is a stock object.
366 for (i = OEM_FIXED_FONT; i <= DEFAULT_GUI_FONT; i++)
368 if (i != DEFAULT_PALETTE && hFont == GetStockObject(i))
370 index = i | 0x80000000;
375 if((index = EMFDRV_FindObject(dev, hFont)) != 0)
378 if (!(index = EMFDRV_CreateFontIndirect(dev, hFont ))) return HGDI_ERROR;
379 GDI_hdc_using_object(hFont, physDev->hdc);
382 emr.emr.iType = EMR_SELECTOBJECT;
383 emr.emr.nSize = sizeof(emr);
384 emr.ihObject = index;
385 if(!EMFDRV_WriteRecord( dev, &emr.emr ))
392 /******************************************************************
393 * EMFDRV_CreatePenIndirect
395 static DWORD EMFDRV_CreatePenIndirect(PHYSDEV dev, HPEN hPen)
400 if (!GetObjectW( hPen, sizeof(emr.lopn), &emr.lopn ))
402 /* must be an extended pen */
404 INT size = GetObjectW( hPen, 0, NULL );
408 elp = HeapAlloc( GetProcessHeap(), 0, size );
410 GetObjectW( hPen, size, elp );
411 /* FIXME: add support for user style pens */
412 emr.lopn.lopnStyle = elp->elpPenStyle;
413 emr.lopn.lopnWidth.x = elp->elpWidth;
414 emr.lopn.lopnWidth.y = 0;
415 emr.lopn.lopnColor = elp->elpColor;
417 HeapFree( GetProcessHeap(), 0, elp );
420 emr.emr.iType = EMR_CREATEPEN;
421 emr.emr.nSize = sizeof(emr);
422 emr.ihPen = index = EMFDRV_AddHandle( dev, hPen );
424 if(!EMFDRV_WriteRecord( dev, &emr.emr ))
429 /******************************************************************
432 HPEN EMFDRV_SelectPen(PHYSDEV dev, HPEN hPen )
434 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*)dev;
439 /* If the object is a stock pen object, do not need to create it.
440 * See definitions in wingdi.h for range of stock pens.
441 * We do however have to handle setting the higher order bit to
442 * designate that this is a stock object.
445 for (i = WHITE_PEN; i <= NULL_PEN; i++)
447 if (hPen == GetStockObject(i))
449 index = i | 0x80000000;
453 if((index = EMFDRV_FindObject(dev, hPen)) != 0)
456 if (!(index = EMFDRV_CreatePenIndirect(dev, hPen))) return 0;
457 GDI_hdc_using_object(hPen, physDev->hdc);
460 emr.emr.iType = EMR_SELECTOBJECT;
461 emr.emr.nSize = sizeof(emr);
462 emr.ihObject = index;
463 return EMFDRV_WriteRecord( dev, &emr.emr ) ? hPen : 0;
467 /******************************************************************
468 * EMFDRV_CreatePalette
470 static DWORD EMFDRV_CreatePalette(PHYSDEV dev, HPALETTE hPal)
474 EMRCREATEPALETTE hdr;
475 PALETTEENTRY entry[255];
478 memset( &pal, 0, sizeof(pal) );
480 if (!GetObjectW( hPal, sizeof(pal.hdr.lgpl) + sizeof(pal.entry), &pal.hdr.lgpl ))
483 for (i = 0; i < pal.hdr.lgpl.palNumEntries; i++)
484 pal.hdr.lgpl.palPalEntry[i].peFlags = 0;
486 pal.hdr.emr.iType = EMR_CREATEPALETTE;
487 pal.hdr.emr.nSize = sizeof(pal.hdr) + pal.hdr.lgpl.palNumEntries * sizeof(PALETTEENTRY);
488 pal.hdr.ihPal = EMFDRV_AddHandle( dev, hPal );
490 if (!EMFDRV_WriteRecord( dev, &pal.hdr.emr ))
492 return pal.hdr.ihPal;
495 /******************************************************************
496 * EMFDRV_SelectPalette
498 HPALETTE EMFDRV_SelectPalette( PHYSDEV dev, HPALETTE hPal, BOOL force )
500 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*)dev;
501 EMRSELECTPALETTE emr;
504 if (hPal == GetStockObject( DEFAULT_PALETTE ))
506 index = DEFAULT_PALETTE | 0x80000000;
510 if ((index = EMFDRV_FindObject( dev, hPal )) != 0)
513 if (!(index = EMFDRV_CreatePalette( dev, hPal ))) return 0;
514 GDI_hdc_using_object( hPal, physDev->hdc );
517 emr.emr.iType = EMR_SELECTPALETTE;
518 emr.emr.nSize = sizeof(emr);
520 return EMFDRV_WriteRecord( dev, &emr.emr ) ? hPal : 0;
524 /******************************************************************
527 BOOL EMFDRV_GdiComment(PHYSDEV dev, UINT bytes, CONST BYTE *buffer)
530 UINT total, rounded_size;
533 rounded_size = (bytes+3) & ~3;
534 total = offsetof(EMRGDICOMMENT,Data) + rounded_size;
536 emr = HeapAlloc(GetProcessHeap(), 0, total);
537 emr->emr.iType = EMR_GDICOMMENT;
538 emr->emr.nSize = total;
540 memset(&emr->Data[bytes], 0, rounded_size - bytes);
541 memcpy(&emr->Data[0], buffer, bytes);
543 ret = EMFDRV_WriteRecord( dev, &emr->emr );
545 HeapFree(GetProcessHeap(), 0, emr);