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
26 #include "enhmfdrv/enhmetafiledrv.h"
27 #include "gdi_private.h"
28 #include "wine/debug.h"
30 WINE_DEFAULT_DEBUG_CHANNEL(enhmetafile);
33 /******************************************************************
36 static UINT EMFDRV_AddHandle( PHYSDEV dev, HGDIOBJ obj )
38 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE *)dev;
41 for(index = 0; index < physDev->handles_size; index++)
42 if(physDev->handles[index] == 0) break;
43 if(index == physDev->handles_size) {
44 physDev->handles_size += HANDLE_LIST_INC;
45 physDev->handles = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
47 physDev->handles_size * sizeof(physDev->handles[0]));
49 physDev->handles[index] = obj;
51 physDev->cur_handles++;
52 if(physDev->cur_handles > physDev->emh->nHandles)
53 physDev->emh->nHandles++;
55 return index + 1; /* index 0 is reserved for the hmf, so we increment everything by 1 */
58 /******************************************************************
61 static UINT EMFDRV_FindObject( PHYSDEV dev, HGDIOBJ obj )
63 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*) dev;
66 for(index = 0; index < physDev->handles_size; index++)
67 if(physDev->handles[index] == obj) break;
69 if(index == physDev->handles_size) return 0;
75 /******************************************************************
78 BOOL EMFDRV_DeleteObject( PHYSDEV dev, HGDIOBJ obj )
81 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*) dev;
85 if(!(index = EMFDRV_FindObject(dev, obj))) return 0;
87 emr.emr.iType = EMR_DELETEOBJECT;
88 emr.emr.nSize = sizeof(emr);
91 if(!EMFDRV_WriteRecord( dev, &emr.emr ))
94 physDev->handles[index - 1] = 0;
95 physDev->cur_handles--;
100 /***********************************************************************
101 * EMFDRV_SelectBitmap
103 HBITMAP EMFDRV_SelectBitmap( PHYSDEV dev, HBITMAP hbitmap )
109 /* Internal helper for EMFDRV_CreateBrushIndirect():
110 * Change the padding of a bitmap from 16 (BMP) to 32 (DIB) bits.
112 static inline void EMFDRV_PadTo32(LPBYTE lpRows, int height, int width)
114 int bytes16 = 2 * ((width + 15) / 16);
115 int bytes32 = 4 * ((width + 31) / 32);
122 height = abs(height) - 1;
123 lpSrc = lpRows + height * bytes16;
124 lpDst = lpRows + height * bytes32;
126 /* Note that we work backwards so we can re-pad in place */
129 for (i = bytes32; i > bytes16; i--)
130 lpDst[i - 1] = 0; /* Zero the padding bytes */
132 lpDst[i - 1] = lpSrc[i - 1]; /* Move image bytes into alignment */
139 /***********************************************************************
140 * EMFDRV_CreateBrushIndirect
142 DWORD EMFDRV_CreateBrushIndirect( PHYSDEV dev, HBRUSH hBrush )
147 if (!GetObjectA( hBrush, sizeof(logbrush), &logbrush )) return 0;
149 switch (logbrush.lbStyle) {
154 EMRCREATEBRUSHINDIRECT emr;
155 emr.emr.iType = EMR_CREATEBRUSHINDIRECT;
156 emr.emr.nSize = sizeof(emr);
157 emr.ihBrush = index = EMFDRV_AddHandle( dev, hBrush );
158 emr.lb.lbStyle = logbrush.lbStyle;
159 emr.lb.lbColor = logbrush.lbColor;
160 emr.lb.lbHatch = logbrush.lbHatch;
162 if(!EMFDRV_WriteRecord( dev, &emr.emr ))
168 EMRCREATEDIBPATTERNBRUSHPT *emr;
169 DWORD bmSize, biSize, size;
170 BITMAPINFO *info = GlobalLock16(logbrush.lbHatch);
172 if (info->bmiHeader.biCompression)
173 bmSize = info->bmiHeader.biSizeImage;
175 bmSize = DIB_GetDIBImageBytes(info->bmiHeader.biWidth,
176 info->bmiHeader.biHeight,
177 info->bmiHeader.biBitCount);
178 biSize = DIB_BitmapInfoSize(info, LOWORD(logbrush.lbColor));
179 size = sizeof(EMRCREATEDIBPATTERNBRUSHPT) + biSize + bmSize;
180 emr = HeapAlloc( GetProcessHeap(), 0, size );
182 emr->emr.iType = EMR_CREATEDIBPATTERNBRUSHPT;
183 emr->emr.nSize = size;
184 emr->ihBrush = index = EMFDRV_AddHandle( dev, hBrush );
185 emr->iUsage = LOWORD(logbrush.lbColor);
186 emr->offBmi = sizeof(EMRCREATEDIBPATTERNBRUSHPT);
188 emr->offBits = sizeof(EMRCREATEDIBPATTERNBRUSHPT) + biSize;
189 emr->cbBits = bmSize;
190 memcpy((char *)emr + sizeof(EMRCREATEDIBPATTERNBRUSHPT), info,
193 if(!EMFDRV_WriteRecord( dev, &emr->emr ))
195 HeapFree( GetProcessHeap(), 0, emr );
196 GlobalUnlock16(logbrush.lbHatch);
202 EMRCREATEDIBPATTERNBRUSHPT *emr;
203 BITMAPINFOHEADER *info;
205 DWORD bmSize, biSize, size;
207 GetObjectA((HANDLE)logbrush.lbHatch, sizeof(bm), &bm);
209 if (bm.bmBitsPixel != 1 || bm.bmPlanes != 1)
211 FIXME("Trying to create a color pattern brush\n");
215 /* BMP will be aligned to 32 bits, not 16 */
216 bmSize = DIB_GetDIBImageBytes(bm.bmWidth, bm.bmHeight, bm.bmBitsPixel);
218 biSize = sizeof(BITMAPINFOHEADER);
219 /* FIXME: There is an extra DWORD written by native before the BMI.
220 * Not sure what its meant to contain.
222 size = sizeof(EMRCREATEDIBPATTERNBRUSHPT) + biSize + bmSize + sizeof(DWORD);
224 emr = HeapAlloc( GetProcessHeap(), 0, size );
228 info = (BITMAPINFOHEADER *)((LPBYTE)emr +
229 sizeof(EMRCREATEDIBPATTERNBRUSHPT) + sizeof(DWORD));
230 info->biSize = sizeof(BITMAPINFOHEADER);
231 info->biWidth = bm.bmWidth;
232 info->biHeight = bm.bmHeight;
233 info->biPlanes = bm.bmPlanes;
234 info->biBitCount = bm.bmBitsPixel;
235 info->biSizeImage = bmSize;
236 GetBitmapBits((HANDLE)logbrush.lbHatch,
237 bm.bmHeight * BITMAP_GetWidthBytes(bm.bmWidth, bm.bmBitsPixel),
238 (LPBYTE)info + sizeof(BITMAPINFOHEADER));
240 /* Change the padding to be DIB compatible if needed */
242 EMFDRV_PadTo32((LPBYTE)info + sizeof(BITMAPINFOHEADER), bm.bmWidth, bm.bmHeight);
244 emr->emr.iType = EMR_CREATEMONOBRUSH;
245 emr->emr.nSize = size;
246 emr->ihBrush = index = EMFDRV_AddHandle( dev, hBrush );
247 /* Presumably to reduce the size of the written EMF, MS supports an
248 * undocumented iUsage value of 2, indicating a mono bitmap without the
249 * 8 byte 2 entry black/white palette. Stupidly, they could have saved
250 * over 20 bytes more by also ignoring the BITMAPINFO fields that are
251 * irrelevant/constant for monochrome bitmaps.
252 * FIXME: It may be that the DIB functions themselves accept this value.
254 emr->iUsage = DIB_PAL_MONO;
255 emr->offBmi = (LPBYTE)info - (LPBYTE)emr;
257 emr->offBits = emr->offBmi + biSize;
258 emr->cbBits = bmSize;
260 if(!EMFDRV_WriteRecord( dev, &emr->emr ))
262 HeapFree( GetProcessHeap(), 0, emr );
267 FIXME("Unknown style %x\n", logbrush.lbStyle);
274 /***********************************************************************
277 HBRUSH EMFDRV_SelectBrush(PHYSDEV dev, HBRUSH hBrush )
279 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*)dev;
284 /* If the object is a stock brush object, do not need to create it.
285 * See definitions in wingdi.h for range of stock brushes.
286 * We do however have to handle setting the higher order bit to
287 * designate that this is a stock object.
289 for (i = WHITE_BRUSH; i <= NULL_BRUSH; i++)
291 if (hBrush == GetStockObject(i))
293 index = i | 0x80000000;
297 if((index = EMFDRV_FindObject(dev, hBrush)) != 0)
300 if (!(index = EMFDRV_CreateBrushIndirect(dev, hBrush ))) return 0;
301 GDI_hdc_using_object(hBrush, physDev->hdc);
304 emr.emr.iType = EMR_SELECTOBJECT;
305 emr.emr.nSize = sizeof(emr);
306 emr.ihObject = index;
307 return EMFDRV_WriteRecord( dev, &emr.emr ) ? hBrush : 0;
311 /******************************************************************
312 * EMFDRV_CreateFontIndirect
314 static BOOL EMFDRV_CreateFontIndirect(PHYSDEV dev, HFONT hFont )
317 EMREXTCREATEFONTINDIRECTW emr;
320 if (!GetObjectW( hFont, sizeof(emr.elfw.elfLogFont), &emr.elfw.elfLogFont )) return 0;
322 emr.emr.iType = EMR_EXTCREATEFONTINDIRECTW;
323 emr.emr.nSize = (sizeof(emr) + 3) / 4 * 4;
324 emr.ihFont = index = EMFDRV_AddHandle( dev, hFont );
325 emr.elfw.elfFullName[0] = '\0';
326 emr.elfw.elfStyle[0] = '\0';
327 emr.elfw.elfVersion = 0;
328 emr.elfw.elfStyleSize = 0;
329 emr.elfw.elfMatch = 0;
330 emr.elfw.elfReserved = 0;
331 for(i = 0; i < ELF_VENDOR_SIZE; i++)
332 emr.elfw.elfVendorId[i] = 0;
333 emr.elfw.elfCulture = PAN_CULTURE_LATIN;
334 emr.elfw.elfPanose.bFamilyType = PAN_NO_FIT;
335 emr.elfw.elfPanose.bSerifStyle = PAN_NO_FIT;
336 emr.elfw.elfPanose.bWeight = PAN_NO_FIT;
337 emr.elfw.elfPanose.bProportion = PAN_NO_FIT;
338 emr.elfw.elfPanose.bContrast = PAN_NO_FIT;
339 emr.elfw.elfPanose.bStrokeVariation = PAN_NO_FIT;
340 emr.elfw.elfPanose.bArmStyle = PAN_NO_FIT;
341 emr.elfw.elfPanose.bLetterform = PAN_NO_FIT;
342 emr.elfw.elfPanose.bMidline = PAN_NO_FIT;
343 emr.elfw.elfPanose.bXHeight = PAN_NO_FIT;
345 if(!EMFDRV_WriteRecord( dev, &emr.emr ))
351 /***********************************************************************
354 HFONT EMFDRV_SelectFont( PHYSDEV dev, HFONT hFont, HANDLE gdiFont )
356 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*)dev;
361 /* If the object is a stock font object, do not need to create it.
362 * See definitions in wingdi.h for range of stock fonts.
363 * We do however have to handle setting the higher order bit to
364 * designate that this is a stock object.
367 for (i = OEM_FIXED_FONT; i <= DEFAULT_GUI_FONT; i++)
369 if (i != DEFAULT_PALETTE && hFont == GetStockObject(i))
371 index = i | 0x80000000;
376 if((index = EMFDRV_FindObject(dev, hFont)) != 0)
379 if (!(index = EMFDRV_CreateFontIndirect(dev, hFont ))) return HGDI_ERROR;
380 GDI_hdc_using_object(hFont, physDev->hdc);
383 emr.emr.iType = EMR_SELECTOBJECT;
384 emr.emr.nSize = sizeof(emr);
385 emr.ihObject = index;
386 if(!EMFDRV_WriteRecord( dev, &emr.emr ))
393 /******************************************************************
394 * EMFDRV_CreatePenIndirect
396 static HPEN EMFDRV_CreatePenIndirect(PHYSDEV dev, HPEN hPen )
401 if (!GetObjectW( hPen, sizeof(emr.lopn), &emr.lopn ))
403 /* must be an extended pen */
405 INT size = GetObjectW( hPen, 0, NULL );
409 elp = HeapAlloc( GetProcessHeap(), 0, size );
411 GetObjectW( hPen, size, elp );
412 /* FIXME: add support for user style pens */
413 emr.lopn.lopnStyle = elp->elpPenStyle;
414 emr.lopn.lopnWidth.x = elp->elpWidth;
415 emr.lopn.lopnWidth.y = 0;
416 emr.lopn.lopnColor = elp->elpColor;
418 HeapFree( GetProcessHeap(), 0, elp );
421 emr.emr.iType = EMR_CREATEPEN;
422 emr.emr.nSize = sizeof(emr);
423 emr.ihPen = index = EMFDRV_AddHandle( dev, hPen );
425 if(!EMFDRV_WriteRecord( dev, &emr.emr ))
430 /******************************************************************
433 HPEN EMFDRV_SelectPen(PHYSDEV dev, HPEN hPen )
435 EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*)dev;
440 /* If the object is a stock pen object, do not need to create it.
441 * See definitions in wingdi.h for range of stock pens.
442 * We do however have to handle setting the higher order bit to
443 * designate that this is a stock object.
446 for (i = WHITE_PEN; i <= NULL_PEN; i++)
448 if (hPen == GetStockObject(i))
450 index = i | 0x80000000;
454 if((index = EMFDRV_FindObject(dev, hPen)) != 0)
457 if (!(index = (DWORD)EMFDRV_CreatePenIndirect(dev, hPen ))) return 0;
458 GDI_hdc_using_object(hPen, physDev->hdc);
461 emr.emr.iType = EMR_SELECTOBJECT;
462 emr.emr.nSize = sizeof(emr);
463 emr.ihObject = index;
464 return EMFDRV_WriteRecord( dev, &emr.emr ) ? hPen : 0;
468 /******************************************************************
471 BOOL EMFDRV_GdiComment(PHYSDEV dev, UINT bytes, CONST BYTE *buffer)
474 UINT total, rounded_size;
477 rounded_size = (bytes+3) & ~3;
478 total = offsetof(EMRGDICOMMENT,Data) + rounded_size;
480 emr = HeapAlloc(GetProcessHeap(), 0, total);
481 emr->emr.iType = EMR_GDICOMMENT;
482 emr->emr.nSize = total;
484 memset(&emr->Data[bytes], 0, rounded_size - bytes);
485 memcpy(&emr->Data[0], buffer, bytes);
487 ret = EMFDRV_WriteRecord( dev, &emr->emr );
489 HeapFree(GetProcessHeap(), 0, emr);