/* * Enhanced MetaFile objects * * Copyright 1999 Huw D M Davies * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include #include #include #include "enhmfdrv/enhmetafiledrv.h" #include "gdi_private.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(enhmetafile); /****************************************************************** * EMFDRV_AddHandle */ static UINT EMFDRV_AddHandle( PHYSDEV dev, HGDIOBJ obj ) { EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE *)dev; UINT index; for(index = 0; index < physDev->handles_size; index++) if(physDev->handles[index] == 0) break; if(index == physDev->handles_size) { physDev->handles_size += HANDLE_LIST_INC; physDev->handles = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, physDev->handles, physDev->handles_size * sizeof(physDev->handles[0])); } physDev->handles[index] = obj; physDev->cur_handles++; if(physDev->cur_handles > physDev->emh->nHandles) physDev->emh->nHandles++; return index + 1; /* index 0 is reserved for the hmf, so we increment everything by 1 */ } /****************************************************************** * EMFDRV_FindObject */ static UINT EMFDRV_FindObject( PHYSDEV dev, HGDIOBJ obj ) { EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*) dev; UINT index; for(index = 0; index < physDev->handles_size; index++) if(physDev->handles[index] == obj) break; if(index == physDev->handles_size) return 0; return index + 1; } /****************************************************************** * EMFDRV_DeleteObject */ BOOL CDECL EMFDRV_DeleteObject( PHYSDEV dev, HGDIOBJ obj ) { EMRDELETEOBJECT emr; EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*) dev; UINT index; BOOL ret = TRUE; if(!(index = EMFDRV_FindObject(dev, obj))) return 0; emr.emr.iType = EMR_DELETEOBJECT; emr.emr.nSize = sizeof(emr); emr.ihObject = index; if(!EMFDRV_WriteRecord( dev, &emr.emr )) ret = FALSE; physDev->handles[index - 1] = 0; physDev->cur_handles--; return ret; } /*********************************************************************** * EMFDRV_SelectBitmap */ HBITMAP CDECL EMFDRV_SelectBitmap( PHYSDEV dev, HBITMAP hbitmap ) { return 0; } /* Internal helper for EMFDRV_CreateBrushIndirect(): * Change the padding of a bitmap from 16 (BMP) to 32 (DIB) bits. */ static inline void EMFDRV_PadTo32(LPBYTE lpRows, int height, int width) { int bytes16 = 2 * ((width + 15) / 16); int bytes32 = 4 * ((width + 31) / 32); LPBYTE lpSrc, lpDst; int i; if (!height) return; height = abs(height) - 1; lpSrc = lpRows + height * bytes16; lpDst = lpRows + height * bytes32; /* Note that we work backwards so we can re-pad in place */ while (height >= 0) { for (i = bytes32; i > bytes16; i--) lpDst[i - 1] = 0; /* Zero the padding bytes */ for (; i > 0; i--) lpDst[i - 1] = lpSrc[i - 1]; /* Move image bytes into alignment */ lpSrc -= bytes16; lpDst -= bytes32; height--; } } /*********************************************************************** * EMFDRV_CreateBrushIndirect */ DWORD EMFDRV_CreateBrushIndirect( PHYSDEV dev, HBRUSH hBrush ) { DWORD index = 0; LOGBRUSH logbrush; if (!GetObjectA( hBrush, sizeof(logbrush), &logbrush )) return 0; switch (logbrush.lbStyle) { case BS_SOLID: case BS_HATCHED: case BS_NULL: { EMRCREATEBRUSHINDIRECT emr; emr.emr.iType = EMR_CREATEBRUSHINDIRECT; emr.emr.nSize = sizeof(emr); emr.ihBrush = index = EMFDRV_AddHandle( dev, hBrush ); emr.lb.lbStyle = logbrush.lbStyle; emr.lb.lbColor = logbrush.lbColor; emr.lb.lbHatch = logbrush.lbHatch; if(!EMFDRV_WriteRecord( dev, &emr.emr )) index = 0; } break; case BS_DIBPATTERN: { EMRCREATEDIBPATTERNBRUSHPT *emr; DWORD bmSize, biSize, size; BITMAPINFO *info = GlobalLock( (HGLOBAL)logbrush.lbHatch ); if (info->bmiHeader.biCompression) bmSize = info->bmiHeader.biSizeImage; else bmSize = DIB_GetDIBImageBytes(info->bmiHeader.biWidth, info->bmiHeader.biHeight, info->bmiHeader.biBitCount); biSize = bitmap_info_size(info, LOWORD(logbrush.lbColor)); size = sizeof(EMRCREATEDIBPATTERNBRUSHPT) + biSize + bmSize; emr = HeapAlloc( GetProcessHeap(), 0, size ); if(!emr) break; emr->emr.iType = EMR_CREATEDIBPATTERNBRUSHPT; emr->emr.nSize = size; emr->ihBrush = index = EMFDRV_AddHandle( dev, hBrush ); emr->iUsage = LOWORD(logbrush.lbColor); emr->offBmi = sizeof(EMRCREATEDIBPATTERNBRUSHPT); emr->cbBmi = biSize; emr->offBits = sizeof(EMRCREATEDIBPATTERNBRUSHPT) + biSize; emr->cbBits = bmSize; memcpy((char *)emr + sizeof(EMRCREATEDIBPATTERNBRUSHPT), info, biSize + bmSize ); if(!EMFDRV_WriteRecord( dev, &emr->emr )) index = 0; HeapFree( GetProcessHeap(), 0, emr ); GlobalUnlock( (HGLOBAL)logbrush.lbHatch ); } break; case BS_PATTERN: { EMRCREATEDIBPATTERNBRUSHPT *emr; BITMAPINFOHEADER *info; BITMAP bm; DWORD bmSize, biSize, size; GetObjectA((HANDLE)logbrush.lbHatch, sizeof(bm), &bm); if (bm.bmBitsPixel != 1 || bm.bmPlanes != 1) { FIXME("Trying to create a color pattern brush\n"); break; } /* BMP will be aligned to 32 bits, not 16 */ bmSize = DIB_GetDIBImageBytes(bm.bmWidth, bm.bmHeight, bm.bmBitsPixel); biSize = sizeof(BITMAPINFOHEADER); /* FIXME: There is an extra DWORD written by native before the BMI. * Not sure what its meant to contain. */ size = sizeof(EMRCREATEDIBPATTERNBRUSHPT) + biSize + bmSize + sizeof(DWORD); emr = HeapAlloc( GetProcessHeap(), 0, size ); if(!emr) break; info = (BITMAPINFOHEADER *)((LPBYTE)emr + sizeof(EMRCREATEDIBPATTERNBRUSHPT) + sizeof(DWORD)); info->biSize = sizeof(BITMAPINFOHEADER); info->biWidth = bm.bmWidth; info->biHeight = bm.bmHeight; info->biPlanes = bm.bmPlanes; info->biBitCount = bm.bmBitsPixel; info->biSizeImage = bmSize; GetBitmapBits((HANDLE)logbrush.lbHatch, bm.bmHeight * BITMAP_GetWidthBytes(bm.bmWidth, bm.bmBitsPixel), (LPBYTE)info + sizeof(BITMAPINFOHEADER)); /* Change the padding to be DIB compatible if needed */ if (bm.bmWidth & 31) EMFDRV_PadTo32((LPBYTE)info + sizeof(BITMAPINFOHEADER), bm.bmWidth, bm.bmHeight); emr->emr.iType = EMR_CREATEMONOBRUSH; emr->emr.nSize = size; emr->ihBrush = index = EMFDRV_AddHandle( dev, hBrush ); /* Presumably to reduce the size of the written EMF, MS supports an * undocumented iUsage value of 2, indicating a mono bitmap without the * 8 byte 2 entry black/white palette. Stupidly, they could have saved * over 20 bytes more by also ignoring the BITMAPINFO fields that are * irrelevant/constant for monochrome bitmaps. * FIXME: It may be that the DIB functions themselves accept this value. */ emr->iUsage = DIB_PAL_MONO; emr->offBmi = (LPBYTE)info - (LPBYTE)emr; emr->cbBmi = biSize; emr->offBits = emr->offBmi + biSize; emr->cbBits = bmSize; if(!EMFDRV_WriteRecord( dev, &emr->emr )) index = 0; HeapFree( GetProcessHeap(), 0, emr ); } break; default: FIXME("Unknown style %x\n", logbrush.lbStyle); break; } return index; } /*********************************************************************** * EMFDRV_SelectBrush */ HBRUSH CDECL EMFDRV_SelectBrush(PHYSDEV dev, HBRUSH hBrush ) { EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*)dev; EMRSELECTOBJECT emr; DWORD index; int i; if (physDev->restoring) return hBrush; /* don't output SelectObject records during RestoreDC */ /* If the object is a stock brush object, do not need to create it. * See definitions in wingdi.h for range of stock brushes. * We do however have to handle setting the higher order bit to * designate that this is a stock object. */ for (i = WHITE_BRUSH; i <= NULL_BRUSH; i++) { if (hBrush == GetStockObject(i)) { index = i | 0x80000000; goto found; } } if((index = EMFDRV_FindObject(dev, hBrush)) != 0) goto found; if (!(index = EMFDRV_CreateBrushIndirect(dev, hBrush ))) return 0; GDI_hdc_using_object(hBrush, physDev->hdc); found: emr.emr.iType = EMR_SELECTOBJECT; emr.emr.nSize = sizeof(emr); emr.ihObject = index; return EMFDRV_WriteRecord( dev, &emr.emr ) ? hBrush : 0; } /****************************************************************** * EMFDRV_CreateFontIndirect */ static BOOL EMFDRV_CreateFontIndirect(PHYSDEV dev, HFONT hFont ) { DWORD index = 0; EMREXTCREATEFONTINDIRECTW emr; int i; if (!GetObjectW( hFont, sizeof(emr.elfw.elfLogFont), &emr.elfw.elfLogFont )) return 0; emr.emr.iType = EMR_EXTCREATEFONTINDIRECTW; emr.emr.nSize = (sizeof(emr) + 3) / 4 * 4; emr.ihFont = index = EMFDRV_AddHandle( dev, hFont ); emr.elfw.elfFullName[0] = '\0'; emr.elfw.elfStyle[0] = '\0'; emr.elfw.elfVersion = 0; emr.elfw.elfStyleSize = 0; emr.elfw.elfMatch = 0; emr.elfw.elfReserved = 0; for(i = 0; i < ELF_VENDOR_SIZE; i++) emr.elfw.elfVendorId[i] = 0; emr.elfw.elfCulture = PAN_CULTURE_LATIN; emr.elfw.elfPanose.bFamilyType = PAN_NO_FIT; emr.elfw.elfPanose.bSerifStyle = PAN_NO_FIT; emr.elfw.elfPanose.bWeight = PAN_NO_FIT; emr.elfw.elfPanose.bProportion = PAN_NO_FIT; emr.elfw.elfPanose.bContrast = PAN_NO_FIT; emr.elfw.elfPanose.bStrokeVariation = PAN_NO_FIT; emr.elfw.elfPanose.bArmStyle = PAN_NO_FIT; emr.elfw.elfPanose.bLetterform = PAN_NO_FIT; emr.elfw.elfPanose.bMidline = PAN_NO_FIT; emr.elfw.elfPanose.bXHeight = PAN_NO_FIT; if(!EMFDRV_WriteRecord( dev, &emr.emr )) index = 0; return index; } /*********************************************************************** * EMFDRV_SelectFont */ HFONT CDECL EMFDRV_SelectFont( PHYSDEV dev, HFONT hFont, HANDLE gdiFont ) { EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*)dev; EMRSELECTOBJECT emr; DWORD index; int i; if (physDev->restoring) return 0; /* don't output SelectObject records during RestoreDC */ /* If the object is a stock font object, do not need to create it. * See definitions in wingdi.h for range of stock fonts. * We do however have to handle setting the higher order bit to * designate that this is a stock object. */ for (i = OEM_FIXED_FONT; i <= DEFAULT_GUI_FONT; i++) { if (i != DEFAULT_PALETTE && hFont == GetStockObject(i)) { index = i | 0x80000000; goto found; } } if((index = EMFDRV_FindObject(dev, hFont)) != 0) goto found; if (!(index = EMFDRV_CreateFontIndirect(dev, hFont ))) return HGDI_ERROR; GDI_hdc_using_object(hFont, physDev->hdc); found: emr.emr.iType = EMR_SELECTOBJECT; emr.emr.nSize = sizeof(emr); emr.ihObject = index; if(!EMFDRV_WriteRecord( dev, &emr.emr )) return HGDI_ERROR; return 0; } /****************************************************************** * EMFDRV_CreatePenIndirect */ static DWORD EMFDRV_CreatePenIndirect(PHYSDEV dev, HPEN hPen) { EMRCREATEPEN emr; DWORD index = 0; if (!GetObjectW( hPen, sizeof(emr.lopn), &emr.lopn )) { /* must be an extended pen */ EXTLOGPEN *elp; INT size = GetObjectW( hPen, 0, NULL ); if (!size) return 0; elp = HeapAlloc( GetProcessHeap(), 0, size ); GetObjectW( hPen, size, elp ); /* FIXME: add support for user style pens */ emr.lopn.lopnStyle = elp->elpPenStyle; emr.lopn.lopnWidth.x = elp->elpWidth; emr.lopn.lopnWidth.y = 0; emr.lopn.lopnColor = elp->elpColor; HeapFree( GetProcessHeap(), 0, elp ); } emr.emr.iType = EMR_CREATEPEN; emr.emr.nSize = sizeof(emr); emr.ihPen = index = EMFDRV_AddHandle( dev, hPen ); if(!EMFDRV_WriteRecord( dev, &emr.emr )) index = 0; return index; } /****************************************************************** * EMFDRV_SelectPen */ HPEN CDECL EMFDRV_SelectPen(PHYSDEV dev, HPEN hPen ) { EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*)dev; EMRSELECTOBJECT emr; DWORD index; int i; if (physDev->restoring) return hPen; /* don't output SelectObject records during RestoreDC */ /* If the object is a stock pen object, do not need to create it. * See definitions in wingdi.h for range of stock pens. * We do however have to handle setting the higher order bit to * designate that this is a stock object. */ for (i = WHITE_PEN; i <= NULL_PEN; i++) { if (hPen == GetStockObject(i)) { index = i | 0x80000000; goto found; } } if((index = EMFDRV_FindObject(dev, hPen)) != 0) goto found; if (!(index = EMFDRV_CreatePenIndirect(dev, hPen))) return 0; GDI_hdc_using_object(hPen, physDev->hdc); found: emr.emr.iType = EMR_SELECTOBJECT; emr.emr.nSize = sizeof(emr); emr.ihObject = index; return EMFDRV_WriteRecord( dev, &emr.emr ) ? hPen : 0; } /****************************************************************** * EMFDRV_CreatePalette */ static DWORD EMFDRV_CreatePalette(PHYSDEV dev, HPALETTE hPal) { WORD i; struct { EMRCREATEPALETTE hdr; PALETTEENTRY entry[255]; } pal; memset( &pal, 0, sizeof(pal) ); if (!GetObjectW( hPal, sizeof(pal.hdr.lgpl) + sizeof(pal.entry), &pal.hdr.lgpl )) return 0; for (i = 0; i < pal.hdr.lgpl.palNumEntries; i++) pal.hdr.lgpl.palPalEntry[i].peFlags = 0; pal.hdr.emr.iType = EMR_CREATEPALETTE; pal.hdr.emr.nSize = sizeof(pal.hdr) + pal.hdr.lgpl.palNumEntries * sizeof(PALETTEENTRY); pal.hdr.ihPal = EMFDRV_AddHandle( dev, hPal ); if (!EMFDRV_WriteRecord( dev, &pal.hdr.emr )) pal.hdr.ihPal = 0; return pal.hdr.ihPal; } /****************************************************************** * EMFDRV_SelectPalette */ HPALETTE CDECL EMFDRV_SelectPalette( PHYSDEV dev, HPALETTE hPal, BOOL force ) { EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*)dev; EMRSELECTPALETTE emr; DWORD index; if (physDev->restoring) return hPal; /* don't output SelectObject records during RestoreDC */ if (hPal == GetStockObject( DEFAULT_PALETTE )) { index = DEFAULT_PALETTE | 0x80000000; goto found; } if ((index = EMFDRV_FindObject( dev, hPal )) != 0) goto found; if (!(index = EMFDRV_CreatePalette( dev, hPal ))) return 0; GDI_hdc_using_object( hPal, physDev->hdc ); found: emr.emr.iType = EMR_SELECTPALETTE; emr.emr.nSize = sizeof(emr); emr.ihPal = index; return EMFDRV_WriteRecord( dev, &emr.emr ) ? hPal : 0; } /****************************************************************** * EMFDRV_GdiComment */ BOOL CDECL EMFDRV_GdiComment(PHYSDEV dev, UINT bytes, CONST BYTE *buffer) { EMRGDICOMMENT *emr; UINT total, rounded_size; BOOL ret; rounded_size = (bytes+3) & ~3; total = offsetof(EMRGDICOMMENT,Data) + rounded_size; emr = HeapAlloc(GetProcessHeap(), 0, total); emr->emr.iType = EMR_GDICOMMENT; emr->emr.nSize = total; emr->cbData = bytes; memset(&emr->Data[bytes], 0, rounded_size - bytes); memcpy(&emr->Data[0], buffer, bytes); ret = EMFDRV_WriteRecord( dev, &emr->emr ); HeapFree(GetProcessHeap(), 0, emr); return ret; }