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 = GlobalLock( (HGLOBAL)logbrush.lbHatch );
171 if (info->bmiHeader.biCompression)
172 bmSize = info->bmiHeader.biSizeImage;
174 bmSize = get_dib_image_size( info );
175 biSize = bitmap_info_size(info, LOWORD(logbrush.lbColor));
176 size = sizeof(EMRCREATEDIBPATTERNBRUSHPT) + biSize + bmSize;
177 emr = HeapAlloc( GetProcessHeap(), 0, size );
179 emr->emr.iType = EMR_CREATEDIBPATTERNBRUSHPT;
180 emr->emr.nSize = size;
181 emr->ihBrush = index = EMFDRV_AddHandle( dev, hBrush );
182 emr->iUsage = LOWORD(logbrush.lbColor);
183 emr->offBmi = sizeof(EMRCREATEDIBPATTERNBRUSHPT);
185 emr->offBits = sizeof(EMRCREATEDIBPATTERNBRUSHPT) + biSize;
186 emr->cbBits = bmSize;
187 memcpy((char *)emr + sizeof(EMRCREATEDIBPATTERNBRUSHPT), info,
190 if(!EMFDRV_WriteRecord( dev, &emr->emr ))
192 HeapFree( GetProcessHeap(), 0, emr );
193 GlobalUnlock( (HGLOBAL)logbrush.lbHatch );
199 EMRCREATEDIBPATTERNBRUSHPT *emr;
200 BITMAPINFOHEADER *info;
202 DWORD bmSize, biSize, size;
204 GetObjectA((HANDLE)logbrush.lbHatch, sizeof(bm), &bm);
206 if (bm.bmBitsPixel != 1 || bm.bmPlanes != 1)
208 FIXME("Trying to create a color pattern brush\n");
212 /* BMP will be aligned to 32 bits, not 16 */
213 bmSize = get_dib_stride(bm.bmWidth, bm.bmBitsPixel) * bm.bmHeight;
215 biSize = sizeof(BITMAPINFOHEADER);
216 /* FIXME: There is an extra DWORD written by native before the BMI.
217 * Not sure what its meant to contain.
219 size = sizeof(EMRCREATEDIBPATTERNBRUSHPT) + biSize + bmSize + sizeof(DWORD);
221 emr = HeapAlloc( GetProcessHeap(), 0, size );
225 info = (BITMAPINFOHEADER *)((LPBYTE)emr +
226 sizeof(EMRCREATEDIBPATTERNBRUSHPT) + sizeof(DWORD));
227 info->biSize = sizeof(BITMAPINFOHEADER);
228 info->biWidth = bm.bmWidth;
229 info->biHeight = bm.bmHeight;
230 info->biPlanes = bm.bmPlanes;
231 info->biBitCount = bm.bmBitsPixel;
232 info->biSizeImage = bmSize;
233 GetBitmapBits((HANDLE)logbrush.lbHatch,
234 bm.bmHeight * get_bitmap_stride(bm.bmWidth, bm.bmBitsPixel),
235 (LPBYTE)info + sizeof(BITMAPINFOHEADER));
237 /* Change the padding to be DIB compatible if needed */
239 EMFDRV_PadTo32((LPBYTE)info + sizeof(BITMAPINFOHEADER), bm.bmWidth, bm.bmHeight);
241 emr->emr.iType = EMR_CREATEMONOBRUSH;
242 emr->emr.nSize = size;
243 emr->ihBrush = index = EMFDRV_AddHandle( dev, hBrush );
244 /* Presumably to reduce the size of the written EMF, MS supports an
245 * undocumented iUsage value of 2, indicating a mono bitmap without the
246 * 8 byte 2 entry black/white palette. Stupidly, they could have saved
247 * over 20 bytes more by also ignoring the BITMAPINFO fields that are
248 * irrelevant/constant for monochrome bitmaps.
249 * FIXME: It may be that the DIB functions themselves accept this value.
251 emr->iUsage = DIB_PAL_MONO;
252 emr->offBmi = (LPBYTE)info - (LPBYTE)emr;
254 emr->offBits = emr->offBmi + biSize;
255 emr->cbBits = bmSize;
257 if(!EMFDRV_WriteRecord( dev, &emr->emr ))
259 HeapFree( GetProcessHeap(), 0, emr );
264 FIXME("Unknown style %x\n", logbrush.lbStyle);
271 /***********************************************************************
274 HBRUSH EMFDRV_SelectBrush(PHYSDEV dev, HBRUSH hBrush )
276 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*)dev;
281 if (physDev->restoring) return hBrush; /* don't output SelectObject records during RestoreDC */
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 <= DC_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, dev->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 (physDev->restoring) return 0; /* don't output SelectObject records during RestoreDC */
362 /* If the object is a stock font object, do not need to create it.
363 * See definitions in wingdi.h for range of stock fonts.
364 * We do however have to handle setting the higher order bit to
365 * designate that this is a stock object.
368 for (i = OEM_FIXED_FONT; i <= DEFAULT_GUI_FONT; i++)
370 if (i != DEFAULT_PALETTE && hFont == GetStockObject(i))
372 index = i | 0x80000000;
377 if((index = EMFDRV_FindObject(dev, hFont)) != 0)
380 if (!(index = EMFDRV_CreateFontIndirect(dev, hFont ))) return HGDI_ERROR;
381 GDI_hdc_using_object(hFont, dev->hdc);
384 emr.emr.iType = EMR_SELECTOBJECT;
385 emr.emr.nSize = sizeof(emr);
386 emr.ihObject = index;
387 if(!EMFDRV_WriteRecord( dev, &emr.emr ))
394 /******************************************************************
395 * EMFDRV_CreatePenIndirect
397 static DWORD EMFDRV_CreatePenIndirect(PHYSDEV dev, HPEN hPen)
402 if (!GetObjectW( hPen, sizeof(emr.lopn), &emr.lopn ))
404 /* must be an extended pen */
406 INT size = GetObjectW( hPen, 0, NULL );
410 elp = HeapAlloc( GetProcessHeap(), 0, size );
412 GetObjectW( hPen, size, elp );
413 /* FIXME: add support for user style pens */
414 emr.lopn.lopnStyle = elp->elpPenStyle;
415 emr.lopn.lopnWidth.x = elp->elpWidth;
416 emr.lopn.lopnWidth.y = 0;
417 emr.lopn.lopnColor = elp->elpColor;
419 HeapFree( GetProcessHeap(), 0, elp );
422 emr.emr.iType = EMR_CREATEPEN;
423 emr.emr.nSize = sizeof(emr);
424 emr.ihPen = index = EMFDRV_AddHandle( dev, hPen );
426 if(!EMFDRV_WriteRecord( dev, &emr.emr ))
431 /******************************************************************
434 HPEN EMFDRV_SelectPen(PHYSDEV dev, HPEN hPen )
436 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*)dev;
441 if (physDev->restoring) return hPen; /* don't output SelectObject records during RestoreDC */
443 /* If the object is a stock pen object, do not need to create it.
444 * See definitions in wingdi.h for range of stock pens.
445 * We do however have to handle setting the higher order bit to
446 * designate that this is a stock object.
449 for (i = WHITE_PEN; i <= DC_PEN; i++)
451 if (hPen == GetStockObject(i))
453 index = i | 0x80000000;
457 if((index = EMFDRV_FindObject(dev, hPen)) != 0)
460 if (!(index = EMFDRV_CreatePenIndirect(dev, hPen))) return 0;
461 GDI_hdc_using_object(hPen, dev->hdc);
464 emr.emr.iType = EMR_SELECTOBJECT;
465 emr.emr.nSize = sizeof(emr);
466 emr.ihObject = index;
467 return EMFDRV_WriteRecord( dev, &emr.emr ) ? hPen : 0;
471 /******************************************************************
472 * EMFDRV_CreatePalette
474 static DWORD EMFDRV_CreatePalette(PHYSDEV dev, HPALETTE hPal)
478 EMRCREATEPALETTE hdr;
479 PALETTEENTRY entry[255];
482 memset( &pal, 0, sizeof(pal) );
484 if (!GetObjectW( hPal, sizeof(pal.hdr.lgpl) + sizeof(pal.entry), &pal.hdr.lgpl ))
487 for (i = 0; i < pal.hdr.lgpl.palNumEntries; i++)
488 pal.hdr.lgpl.palPalEntry[i].peFlags = 0;
490 pal.hdr.emr.iType = EMR_CREATEPALETTE;
491 pal.hdr.emr.nSize = sizeof(pal.hdr) + pal.hdr.lgpl.palNumEntries * sizeof(PALETTEENTRY);
492 pal.hdr.ihPal = EMFDRV_AddHandle( dev, hPal );
494 if (!EMFDRV_WriteRecord( dev, &pal.hdr.emr ))
496 return pal.hdr.ihPal;
499 /******************************************************************
500 * EMFDRV_SelectPalette
502 HPALETTE EMFDRV_SelectPalette( PHYSDEV dev, HPALETTE hPal, BOOL force )
504 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*)dev;
505 EMRSELECTPALETTE emr;
508 if (physDev->restoring) return hPal; /* don't output SelectObject records during RestoreDC */
510 if (hPal == GetStockObject( DEFAULT_PALETTE ))
512 index = DEFAULT_PALETTE | 0x80000000;
516 if ((index = EMFDRV_FindObject( dev, hPal )) != 0)
519 if (!(index = EMFDRV_CreatePalette( dev, hPal ))) return 0;
520 GDI_hdc_using_object( hPal, dev->hdc );
523 emr.emr.iType = EMR_SELECTPALETTE;
524 emr.emr.nSize = sizeof(emr);
526 return EMFDRV_WriteRecord( dev, &emr.emr ) ? hPal : 0;
529 /******************************************************************
530 * EMFDRV_SetDCBrushColor
532 COLORREF EMFDRV_SetDCBrushColor( PHYSDEV dev, COLORREF color )
534 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*)dev;
538 if (GetCurrentObject( dev->hdc, OBJ_BRUSH ) != GetStockObject( DC_BRUSH )) return color;
540 if (physDev->dc_brush) DeleteObject( physDev->dc_brush );
541 if (!(physDev->dc_brush = CreateSolidBrush( color ))) return CLR_INVALID;
542 if (!(index = EMFDRV_CreateBrushIndirect(dev, physDev->dc_brush ))) return CLR_INVALID;
543 GDI_hdc_using_object( physDev->dc_brush, dev->hdc );
544 emr.emr.iType = EMR_SELECTOBJECT;
545 emr.emr.nSize = sizeof(emr);
546 emr.ihObject = index;
547 return EMFDRV_WriteRecord( dev, &emr.emr ) ? color : CLR_INVALID;
550 /******************************************************************
551 * EMFDRV_SetDCPenColor
553 COLORREF EMFDRV_SetDCPenColor( PHYSDEV dev, COLORREF color )
555 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*)dev;
558 LOGPEN logpen = { PS_SOLID, { 0, 0 }, color };
560 if (GetCurrentObject( dev->hdc, OBJ_PEN ) != GetStockObject( DC_PEN )) return color;
562 if (physDev->dc_pen) DeleteObject( physDev->dc_pen );
563 if (!(physDev->dc_pen = CreatePenIndirect( &logpen ))) return CLR_INVALID;
564 if (!(index = EMFDRV_CreatePenIndirect(dev, physDev->dc_pen))) return CLR_INVALID;
565 GDI_hdc_using_object( physDev->dc_pen, dev->hdc );
566 emr.emr.iType = EMR_SELECTOBJECT;
567 emr.emr.nSize = sizeof(emr);
568 emr.ihObject = index;
569 return EMFDRV_WriteRecord( dev, &emr.emr ) ? color : CLR_INVALID;
572 /******************************************************************
575 BOOL EMFDRV_GdiComment(PHYSDEV dev, UINT bytes, CONST BYTE *buffer)
578 UINT total, rounded_size;
581 rounded_size = (bytes+3) & ~3;
582 total = offsetof(EMRGDICOMMENT,Data) + rounded_size;
584 emr = HeapAlloc(GetProcessHeap(), 0, total);
585 emr->emr.iType = EMR_GDICOMMENT;
586 emr->emr.nSize = total;
588 memset(&emr->Data[bytes], 0, rounded_size - bytes);
589 memcpy(&emr->Data[0], buffer, bytes);
591 ret = EMFDRV_WriteRecord( dev, &emr->emr );
593 HeapFree(GetProcessHeap(), 0, emr);