/* * GDI Device Context functions * * Copyright 1993 Alexandre Julliard * */ #include #include #include "gdi.h" #include "heap.h" #include "metafile.h" #include "stddebug.h" #include "color.h" #include "debug.h" #include "font.h" #include "winerror.h" #include "x11font.h" extern void CLIPPING_UpdateGCRegion( DC * dc ); /* objects/clipping.c */ /* ROP code to GC function conversion */ const int DC_XROPfunction[16] = { GXclear, /* R2_BLACK */ GXnor, /* R2_NOTMERGEPEN */ GXandInverted, /* R2_MASKNOTPEN */ GXcopyInverted, /* R2_NOTCOPYPEN */ GXandReverse, /* R2_MASKPENNOT */ GXinvert, /* R2_NOT */ GXxor, /* R2_XORPEN */ GXnand, /* R2_NOTMASKPEN */ GXand, /* R2_MASKPEN */ GXequiv, /* R2_NOTXORPEN */ GXnoop, /* R2_NOP */ GXorInverted, /* R2_MERGENOTPEN */ GXcopy, /* R2_COPYPEN */ GXorReverse, /* R2_MERGEPENNOT */ GXor, /* R2_MERGEPEN */ GXset /* R2_WHITE */ }; /*********************************************************************** * DC_FillDevCaps * * Fill the device caps structure. */ void DC_FillDevCaps( DeviceCaps * caps ) { caps->version = 0x300; caps->technology = DT_RASDISPLAY; caps->horzSize = WidthMMOfScreen(screen) * screenWidth / WidthOfScreen(screen); caps->vertSize = HeightMMOfScreen(screen) * screenHeight / HeightOfScreen(screen); caps->horzRes = screenWidth; caps->vertRes = screenHeight; caps->bitsPixel = screenDepth; caps->planes = 1; caps->numBrushes = 16+6; /* 16 solid + 6 hatched brushes */ caps->numPens = 16; /* 16 solid pens */ caps->numMarkers = 0; caps->numFonts = 0; caps->numColors = 100; caps->pdeviceSize = 0; caps->curveCaps = CC_CIRCLES | CC_PIE | CC_CHORD | CC_ELLIPSES | CC_WIDE | CC_STYLED | CC_WIDESTYLED | CC_INTERIORS | CC_ROUNDRECT; caps->lineCaps = LC_POLYLINE | LC_MARKER | LC_POLYMARKER | LC_WIDE | LC_STYLED | LC_WIDESTYLED | LC_INTERIORS; caps->polygonalCaps = PC_POLYGON | PC_RECTANGLE | PC_WINDPOLYGON | PC_SCANLINE | PC_WIDE | PC_STYLED | PC_WIDESTYLED | PC_INTERIORS; caps->textCaps = TC_OP_CHARACTER | TC_OP_STROKE | TC_CP_STROKE | TC_IA_ABLE | TC_UA_ABLE | TC_SO_ABLE | TC_RA_ABLE; caps->clipCaps = CP_REGION; caps->rasterCaps = RC_BITBLT | RC_BANDING | RC_SCALING | RC_BITMAP64 | RC_DI_BITMAP | RC_DIBTODEV | RC_BIGFONT| RC_STRETCHBLT | RC_STRETCHDIB | RC_DEVBITS; if( !(COLOR_GetSystemPaletteFlags() & COLOR_VIRTUAL) ) caps->rasterCaps |= RC_PALETTE; caps->aspectX = 36; /* ?? */ caps->aspectY = 36; /* ?? */ caps->aspectXY = 51; caps->logPixelsX = (int)(caps->horzRes * 25.4 / caps->horzSize); caps->logPixelsY = (int)(caps->vertRes * 25.4 / caps->vertSize); caps->sizePalette = (caps->rasterCaps & RC_PALETTE) ? DefaultVisual(display,DefaultScreen(display))->map_entries : 0; caps->numReserved = 0; caps->colorRes = 0; } /*********************************************************************** * DC_Init_DC_INFO * * Fill the WIN_DC_INFO structure. */ static void DC_Init_DC_INFO( WIN_DC_INFO *win_dc_info ) { win_dc_info->flags = 0; win_dc_info->devCaps = NULL; win_dc_info->hClipRgn = 0; win_dc_info->hVisRgn = 0; win_dc_info->hGCClipRgn = 0; win_dc_info->hPen = STOCK_BLACK_PEN; win_dc_info->hBrush = STOCK_WHITE_BRUSH; win_dc_info->hFont = STOCK_SYSTEM_FONT; win_dc_info->hBitmap = 0; win_dc_info->hFirstBitmap = 0; win_dc_info->hDevice = 0; win_dc_info->hPalette = STOCK_DEFAULT_PALETTE; win_dc_info->ROPmode = R2_COPYPEN; win_dc_info->polyFillMode = ALTERNATE; win_dc_info->stretchBltMode = BLACKONWHITE; win_dc_info->relAbsMode = ABSOLUTE; win_dc_info->backgroundMode = OPAQUE; win_dc_info->backgroundColor = RGB( 255, 255, 255 ); win_dc_info->textColor = RGB( 0, 0, 0 ); win_dc_info->backgroundPixel = 0; win_dc_info->textPixel = 0; win_dc_info->brushOrgX = 0; win_dc_info->brushOrgY = 0; win_dc_info->textAlign = TA_LEFT | TA_TOP | TA_NOUPDATECP; win_dc_info->charExtra = 0; win_dc_info->breakTotalExtra = 0; win_dc_info->breakCount = 0; win_dc_info->breakExtra = 0; win_dc_info->breakRem = 0; win_dc_info->bitsPerPixel = 1; win_dc_info->MapMode = MM_TEXT; win_dc_info->GraphicsMode = GM_COMPATIBLE; win_dc_info->DCOrgX = 0; win_dc_info->DCOrgY = 0; win_dc_info->CursPosX = 0; win_dc_info->CursPosY = 0; win_dc_info->ArcDirection = AD_COUNTERCLOCKWISE; win_dc_info->UseWorldXform = FALSE; win_dc_info->WorldXform.eM11 = 1.0f; win_dc_info->WorldXform.eM12 = 0.0f; win_dc_info->WorldXform.eM21 = 0.0f; win_dc_info->WorldXform.eM22 = 1.0f; win_dc_info->WorldXform.eDx = 0.0f; win_dc_info->WorldXform.eDy = 0.0f; PATH_InitGdiPath(&win_dc_info->path); } /*********************************************************************** * DC_AllocDC */ DC *DC_AllocDC( const DC_FUNCTIONS *funcs ) { HDC16 hdc; DC *dc; if (!(hdc = GDI_AllocObject( sizeof(DC), DC_MAGIC ))) return NULL; dc = (DC *) GDI_HEAP_LOCK( hdc ); dc->hSelf = hdc; dc->funcs = funcs; dc->physDev = NULL; dc->saveLevel = 0; dc->dwHookData = 0L; dc->hookProc = NULL; dc->wndOrgX = 0; dc->wndOrgY = 0; dc->wndExtX = 1; dc->wndExtY = 1; dc->vportOrgX = 0; dc->vportOrgY = 0; dc->vportExtX = 1; dc->vportExtY = 1; DC_Init_DC_INFO( &dc->w ); return dc; } /*********************************************************************** * DC_GetDCPtr */ DC *DC_GetDCPtr( HDC32 hdc ) { GDIOBJHDR *ptr = (GDIOBJHDR *)GDI_HEAP_LOCK( hdc ); if (!ptr) return NULL; if ((ptr->wMagic == DC_MAGIC) || (ptr->wMagic == METAFILE_DC_MAGIC)) return (DC *)ptr; GDI_HEAP_UNLOCK( hdc ); return NULL; } /*********************************************************************** * DC_InitDC * * Setup device-specific DC values for a newly created DC. */ void DC_InitDC( DC* dc ) { RealizeDefaultPalette( dc->hSelf ); SetTextColor32( dc->hSelf, dc->w.textColor ); SetBkColor32( dc->hSelf, dc->w.backgroundColor ); SelectObject32( dc->hSelf, dc->w.hPen ); SelectObject32( dc->hSelf, dc->w.hBrush ); SelectObject32( dc->hSelf, dc->w.hFont ); CLIPPING_UpdateGCRegion( dc ); } /*********************************************************************** * DC_SetupGCForPatBlt * * Setup the GC for a PatBlt operation using current brush. * If fMapColors is TRUE, X pixels are mapped to Windows colors. * Return FALSE if brush is BS_NULL, TRUE otherwise. */ BOOL32 DC_SetupGCForPatBlt( DC * dc, GC gc, BOOL32 fMapColors ) { XGCValues val; unsigned long mask; Pixmap pixmap = 0; if (dc->u.x.brush.style == BS_NULL) return FALSE; if (dc->u.x.brush.pixel == -1) { /* Special case used for monochrome pattern brushes. * We need to swap foreground and background because * Windows does it the wrong way... */ val.foreground = dc->w.backgroundPixel; val.background = dc->w.textPixel; } else { val.foreground = dc->u.x.brush.pixel; val.background = dc->w.backgroundPixel; } if (fMapColors && COLOR_PixelToPalette) { val.foreground = COLOR_PixelToPalette[val.foreground]; val.background = COLOR_PixelToPalette[val.background]; } if (dc->w.flags & DC_DIRTY) CLIPPING_UpdateGCRegion(dc); val.function = DC_XROPfunction[dc->w.ROPmode-1]; /* ** Let's replace GXinvert by GXxor with (black xor white) ** This solves the selection color and leak problems in excel ** FIXME : Let's do that only if we work with X-pixels, not with Win-pixels */ if (val.function == GXinvert) { val.foreground = BlackPixelOfScreen(screen) ^ WhitePixelOfScreen(screen); val.function = GXxor; } val.fill_style = dc->u.x.brush.fillStyle; switch(val.fill_style) { case FillStippled: case FillOpaqueStippled: if (dc->w.backgroundMode==OPAQUE) val.fill_style = FillOpaqueStippled; val.stipple = dc->u.x.brush.pixmap; mask = GCStipple; break; case FillTiled: if (fMapColors && COLOR_PixelToPalette) { register int x, y; XImage *image; EnterCriticalSection( &X11DRV_CritSection ); pixmap = XCreatePixmap( display, rootWindow, 8, 8, screenDepth ); image = XGetImage( display, dc->u.x.brush.pixmap, 0, 0, 8, 8, AllPlanes, ZPixmap ); for (y = 0; y < 8; y++) for (x = 0; x < 8; x++) XPutPixel( image, x, y, COLOR_PixelToPalette[XGetPixel( image, x, y)] ); XPutImage( display, pixmap, gc, image, 0, 0, 0, 0, 8, 8 ); XDestroyImage( image ); LeaveCriticalSection( &X11DRV_CritSection ); val.tile = pixmap; } else val.tile = dc->u.x.brush.pixmap; mask = GCTile; break; default: mask = 0; break; } val.ts_x_origin = dc->w.DCOrgX + dc->w.brushOrgX; val.ts_y_origin = dc->w.DCOrgY + dc->w.brushOrgY; val.fill_rule = (dc->w.polyFillMode==WINDING) ? WindingRule : EvenOddRule; TSXChangeGC( display, gc, GCFunction | GCForeground | GCBackground | GCFillStyle | GCFillRule | GCTileStipXOrigin | GCTileStipYOrigin | mask, &val ); if (pixmap) TSXFreePixmap( display, pixmap ); return TRUE; } /*********************************************************************** * DC_SetupGCForBrush * * Setup dc->u.x.gc for drawing operations using current brush. * Return FALSE if brush is BS_NULL, TRUE otherwise. */ BOOL32 DC_SetupGCForBrush( DC * dc ) { return DC_SetupGCForPatBlt( dc, dc->u.x.gc, FALSE ); } /*********************************************************************** * DC_SetupGCForPen * * Setup dc->u.x.gc for drawing operations using current pen. * Return FALSE if pen is PS_NULL, TRUE otherwise. */ BOOL32 DC_SetupGCForPen( DC * dc ) { XGCValues val; if (dc->u.x.pen.style == PS_NULL) return FALSE; if (dc->w.flags & DC_DIRTY) CLIPPING_UpdateGCRegion(dc); switch (dc->w.ROPmode) { case R2_BLACK : val.foreground = BlackPixelOfScreen( screen ); val.function = GXcopy; break; case R2_WHITE : val.foreground = WhitePixelOfScreen( screen ); val.function = GXcopy; break; case R2_XORPEN : val.foreground = dc->u.x.pen.pixel; /* It is very unlikely someone wants to XOR with 0 */ /* This fixes the rubber-drawings in paintbrush */ if (val.foreground == 0) val.foreground = BlackPixelOfScreen( screen ) ^ WhitePixelOfScreen( screen ); val.function = GXxor; break; default : val.foreground = dc->u.x.pen.pixel; val.function = DC_XROPfunction[dc->w.ROPmode-1]; } val.background = dc->w.backgroundPixel; val.fill_style = FillSolid; if ((dc->u.x.pen.style!=PS_SOLID) && (dc->u.x.pen.style!=PS_INSIDEFRAME)) { TSXSetDashes( display, dc->u.x.gc, 0, dc->u.x.pen.dashes, dc->u.x.pen.dash_len ); val.line_style = (dc->w.backgroundMode == OPAQUE) ? LineDoubleDash : LineOnOffDash; } else val.line_style = LineSolid; val.line_width = dc->u.x.pen.width; if (val.line_width <= 1) { val.cap_style = CapNotLast; } else { switch (dc->u.x.pen.endcap) { case PS_ENDCAP_SQUARE: val.cap_style = CapProjecting; break; case PS_ENDCAP_FLAT: val.cap_style = CapButt; break; case PS_ENDCAP_ROUND: default: val.cap_style = CapRound; } } switch (dc->u.x.pen.linejoin) { case PS_JOIN_BEVEL: val.join_style = JoinBevel; case PS_JOIN_MITER: val.join_style = JoinMiter; case PS_JOIN_ROUND: default: val.join_style = JoinRound; } TSXChangeGC( display, dc->u.x.gc, GCFunction | GCForeground | GCBackground | GCLineWidth | GCLineStyle | GCCapStyle | GCJoinStyle | GCFillStyle, &val ); return TRUE; } /*********************************************************************** * DC_SetupGCForText * * Setup dc->u.x.gc for text drawing operations. * Return FALSE if the font is null, TRUE otherwise. */ BOOL32 DC_SetupGCForText( DC * dc ) { XFontStruct* xfs = XFONT_GetFontStruct( dc->u.x.font ); if( xfs ) { XGCValues val; if (dc->w.flags & DC_DIRTY) CLIPPING_UpdateGCRegion(dc); val.function = GXcopy; /* Text is always GXcopy */ val.foreground = dc->w.textPixel; val.background = dc->w.backgroundPixel; val.fill_style = FillSolid; val.font = xfs->fid; TSXChangeGC( display, dc->u.x.gc, GCFunction | GCForeground | GCBackground | GCFillStyle | GCFont, &val ); return TRUE; } fprintf( stderr, "DC_SetupGCForText: physical font failure\n" ); return FALSE; } /*********************************************************************** * GetDCState (GDI.179) */ HDC16 WINAPI GetDCState( HDC16 hdc ) { DC * newdc, * dc; HGDIOBJ16 handle; if (!(dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ))) return 0; if (!(handle = GDI_AllocObject( sizeof(DC), DC_MAGIC ))) { GDI_HEAP_UNLOCK( hdc ); return 0; } newdc = (DC *) GDI_HEAP_LOCK( handle ); dprintf_dc(stddeb, "GetDCState(%04x): returning %04x\n", hdc, handle ); memset( &newdc->u.x, 0, sizeof(newdc->u.x) ); newdc->w.flags = dc->w.flags | DC_SAVED; newdc->w.devCaps = dc->w.devCaps; newdc->w.hPen = dc->w.hPen; newdc->w.hBrush = dc->w.hBrush; newdc->w.hFont = dc->w.hFont; newdc->w.hBitmap = dc->w.hBitmap; newdc->w.hFirstBitmap = dc->w.hFirstBitmap; newdc->w.hDevice = dc->w.hDevice; newdc->w.hPalette = dc->w.hPalette; newdc->w.bitsPerPixel = dc->w.bitsPerPixel; newdc->w.ROPmode = dc->w.ROPmode; newdc->w.polyFillMode = dc->w.polyFillMode; newdc->w.stretchBltMode = dc->w.stretchBltMode; newdc->w.relAbsMode = dc->w.relAbsMode; newdc->w.backgroundMode = dc->w.backgroundMode; newdc->w.backgroundColor = dc->w.backgroundColor; newdc->w.textColor = dc->w.textColor; newdc->w.backgroundPixel = dc->w.backgroundPixel; newdc->w.textPixel = dc->w.textPixel; newdc->w.brushOrgX = dc->w.brushOrgX; newdc->w.brushOrgY = dc->w.brushOrgY; newdc->w.textAlign = dc->w.textAlign; newdc->w.charExtra = dc->w.charExtra; newdc->w.breakTotalExtra = dc->w.breakTotalExtra; newdc->w.breakCount = dc->w.breakCount; newdc->w.breakExtra = dc->w.breakExtra; newdc->w.breakRem = dc->w.breakRem; newdc->w.MapMode = dc->w.MapMode; newdc->w.GraphicsMode = dc->w.GraphicsMode; newdc->w.DCOrgX = dc->w.DCOrgX; newdc->w.DCOrgY = dc->w.DCOrgY; newdc->w.CursPosX = dc->w.CursPosX; newdc->w.CursPosY = dc->w.CursPosY; newdc->w.ArcDirection = dc->w.ArcDirection; newdc->w.UseWorldXform = dc->w.UseWorldXform; newdc->w.WorldXform = dc->w.WorldXform; newdc->wndOrgX = dc->wndOrgX; newdc->wndOrgY = dc->wndOrgY; newdc->wndExtX = dc->wndExtX; newdc->wndExtY = dc->wndExtY; newdc->vportOrgX = dc->vportOrgX; newdc->vportOrgY = dc->vportOrgY; newdc->vportExtX = dc->vportExtX; newdc->vportExtY = dc->vportExtY; newdc->hSelf = (HDC32)handle; newdc->saveLevel = 0; PATH_InitGdiPath( &newdc->w.path ); /* Get/SetDCState() don't change hVisRgn field ("Undoc. Windows" p.559). */ newdc->w.hGCClipRgn = newdc->w.hVisRgn = 0; if (dc->w.hClipRgn) { newdc->w.hClipRgn = CreateRectRgn32( 0, 0, 0, 0 ); CombineRgn32( newdc->w.hClipRgn, dc->w.hClipRgn, 0, RGN_COPY ); } else newdc->w.hClipRgn = 0; GDI_HEAP_UNLOCK( handle ); GDI_HEAP_UNLOCK( hdc ); return handle; } /*********************************************************************** * SetDCState (GDI.180) */ void WINAPI SetDCState( HDC16 hdc, HDC16 hdcs ) { DC *dc, *dcs; if (!(dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ))) return; if (!(dcs = (DC *) GDI_GetObjPtr( hdcs, DC_MAGIC ))) { GDI_HEAP_UNLOCK( hdc ); return; } if (!dcs->w.flags & DC_SAVED) { GDI_HEAP_UNLOCK( hdc ); GDI_HEAP_UNLOCK( hdcs ); return; } dprintf_dc(stddeb, "SetDCState: %04x %04x\n", hdc, hdcs ); dc->w.flags = dcs->w.flags & ~DC_SAVED; dc->w.devCaps = dcs->w.devCaps; dc->w.hFirstBitmap = dcs->w.hFirstBitmap; dc->w.hDevice = dcs->w.hDevice; dc->w.ROPmode = dcs->w.ROPmode; dc->w.polyFillMode = dcs->w.polyFillMode; dc->w.stretchBltMode = dcs->w.stretchBltMode; dc->w.relAbsMode = dcs->w.relAbsMode; dc->w.backgroundMode = dcs->w.backgroundMode; dc->w.backgroundColor = dcs->w.backgroundColor; dc->w.textColor = dcs->w.textColor; dc->w.backgroundPixel = dcs->w.backgroundPixel; dc->w.textPixel = dcs->w.textPixel; dc->w.brushOrgX = dcs->w.brushOrgX; dc->w.brushOrgY = dcs->w.brushOrgY; dc->w.textAlign = dcs->w.textAlign; dc->w.charExtra = dcs->w.charExtra; dc->w.breakTotalExtra = dcs->w.breakTotalExtra; dc->w.breakCount = dcs->w.breakCount; dc->w.breakExtra = dcs->w.breakExtra; dc->w.breakRem = dcs->w.breakRem; dc->w.MapMode = dcs->w.MapMode; dc->w.GraphicsMode = dcs->w.GraphicsMode; dc->w.DCOrgX = dcs->w.DCOrgX; dc->w.DCOrgY = dcs->w.DCOrgY; dc->w.CursPosX = dcs->w.CursPosX; dc->w.CursPosY = dcs->w.CursPosY; dc->w.ArcDirection = dcs->w.ArcDirection; dc->w.UseWorldXform = dcs->w.UseWorldXform; dc->w.WorldXform = dcs->w.WorldXform; dc->wndOrgX = dcs->wndOrgX; dc->wndOrgY = dcs->wndOrgY; dc->wndExtX = dcs->wndExtX; dc->wndExtY = dcs->wndExtY; dc->vportOrgX = dcs->vportOrgX; dc->vportOrgY = dcs->vportOrgY; dc->vportExtX = dcs->vportExtX; dc->vportExtY = dcs->vportExtY; if (!(dc->w.flags & DC_MEMORY)) dc->w.bitsPerPixel = dcs->w.bitsPerPixel; SelectClipRgn32( hdc, dcs->w.hClipRgn ); SelectObject32( hdc, dcs->w.hBitmap ); SelectObject32( hdc, dcs->w.hBrush ); SelectObject32( hdc, dcs->w.hFont ); SelectObject32( hdc, dcs->w.hPen ); GDISelectPalette( hdc, dcs->w.hPalette, FALSE ); GDI_HEAP_UNLOCK( hdc ); GDI_HEAP_UNLOCK( hdcs ); } /*********************************************************************** * SaveDC16 (GDI.30) */ INT16 WINAPI SaveDC16( HDC16 hdc ) { return (INT16)SaveDC32( hdc ); } /*********************************************************************** * SaveDC32 (GDI32.292) */ INT32 WINAPI SaveDC32( HDC32 hdc ) { HDC32 hdcs; DC * dc, * dcs; INT32 ret; dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); if (!dc) { dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC); if (!dc) return 0; MF_MetaParam0(dc, META_SAVEDC); GDI_HEAP_UNLOCK( hdc ); return 1; /* ?? */ } if (!(hdcs = GetDCState( hdc ))) { GDI_HEAP_UNLOCK( hdc ); return 0; } dcs = (DC *) GDI_HEAP_LOCK( hdcs ); /* Copy path. The reason why path saving / restoring is in SaveDC/ * RestoreDC and not in GetDCState/SetDCState is that the ...DCState * functions are only in Win16 (which doesn't have paths) and that * SetDCState doesn't allow us to signal an error (which can happen * when copying paths). */ if (!PATH_AssignGdiPath( &dcs->w.path, &dc->w.path )) { GDI_HEAP_UNLOCK( hdc ); GDI_HEAP_UNLOCK( hdcs ); DeleteDC32( hdcs ); return 0; } dcs->header.hNext = dc->header.hNext; dc->header.hNext = hdcs; dprintf_dc(stddeb, "SaveDC(%04x): returning %d\n", hdc, dc->saveLevel+1 ); ret = ++dc->saveLevel; GDI_HEAP_UNLOCK( hdcs ); GDI_HEAP_UNLOCK( hdc ); return ret; } /*********************************************************************** * RestoreDC16 (GDI.39) */ BOOL16 WINAPI RestoreDC16( HDC16 hdc, INT16 level ) { return RestoreDC32( hdc, level ); } /*********************************************************************** * RestoreDC32 (GDI32.290) */ BOOL32 WINAPI RestoreDC32( HDC32 hdc, INT32 level ) { DC * dc, * dcs; BOOL32 success; dprintf_dc(stddeb, "RestoreDC: %04x %d\n", hdc, level ); dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); if (!dc) { dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC); if (!dc) return FALSE; if (level != -1) { GDI_HEAP_UNLOCK( hdc ); return FALSE; } MF_MetaParam1(dc, META_RESTOREDC, level); GDI_HEAP_UNLOCK( hdc ); return TRUE; } if (level == -1) level = dc->saveLevel; if ((level < 1) || (level > dc->saveLevel)) { GDI_HEAP_UNLOCK( hdc ); return FALSE; } success=TRUE; while (dc->saveLevel >= level) { HDC16 hdcs = dc->header.hNext; if (!(dcs = (DC *) GDI_GetObjPtr( hdcs, DC_MAGIC ))) { GDI_HEAP_UNLOCK( hdc ); return FALSE; } dc->header.hNext = dcs->header.hNext; if (--dc->saveLevel < level) { SetDCState( hdc, hdcs ); if (!PATH_AssignGdiPath( &dc->w.path, &dcs->w.path )) /* FIXME: This might not be quite right, since we're * returning FALSE but still destroying the saved DC state */ success=FALSE; } DeleteDC32( hdcs ); } GDI_HEAP_UNLOCK( hdc ); return success; } /*********************************************************************** * CreateDC16 (GDI.53) */ HDC16 WINAPI CreateDC16( LPCSTR driver, LPCSTR device, LPCSTR output, const DEVMODE16 *initData ) { DC * dc; const DC_FUNCTIONS *funcs; if (!(funcs = DRIVER_FindDriver( driver ))) return 0; if (!(dc = DC_AllocDC( funcs ))) return 0; dc->w.flags = 0; dprintf_dc(stddeb, "CreateDC(%s %s %s): returning %04x\n", driver, device, output, dc->hSelf ); if (dc->funcs->pCreateDC && !dc->funcs->pCreateDC( dc, driver, device, output, initData )) { dprintf_dc( stddeb, "CreateDC: creation aborted by device\n" ); GDI_HEAP_FREE( dc->hSelf ); return 0; } DC_InitDC( dc ); GDI_HEAP_UNLOCK( dc->hSelf ); return dc->hSelf; } /*********************************************************************** * CreateDC32A (GDI32.) */ HDC32 WINAPI CreateDC32A( LPCSTR driver, LPCSTR device, LPCSTR output, const DEVMODE32A *initData ) { return CreateDC16( driver, device, output, (const DEVMODE16 *)initData ); } /*********************************************************************** * CreateDC32W (GDI32.) */ HDC32 WINAPI CreateDC32W( LPCWSTR driver, LPCWSTR device, LPCWSTR output, const DEVMODE32W *initData ) { LPSTR driverA = HEAP_strdupWtoA( GetProcessHeap(), 0, driver ); LPSTR deviceA = HEAP_strdupWtoA( GetProcessHeap(), 0, device ); LPSTR outputA = HEAP_strdupWtoA( GetProcessHeap(), 0, output ); HDC32 res = CreateDC16( driverA, deviceA, outputA, (const DEVMODE16 *)initData /*FIXME*/ ); HeapFree( GetProcessHeap(), 0, driverA ); HeapFree( GetProcessHeap(), 0, deviceA ); HeapFree( GetProcessHeap(), 0, outputA ); return res; } /*********************************************************************** * CreateIC16 (GDI.153) */ HDC16 WINAPI CreateIC16( LPCSTR driver, LPCSTR device, LPCSTR output, const DEVMODE16* initData ) { /* Nothing special yet for ICs */ return CreateDC16( driver, device, output, initData ); } /*********************************************************************** * CreateIC32A (GDI32.49) */ HDC32 WINAPI CreateIC32A( LPCSTR driver, LPCSTR device, LPCSTR output, const DEVMODE32A* initData ) { /* Nothing special yet for ICs */ return CreateDC32A( driver, device, output, initData ); } /*********************************************************************** * CreateIC32W (GDI32.50) */ HDC32 WINAPI CreateIC32W( LPCWSTR driver, LPCWSTR device, LPCWSTR output, const DEVMODE32W* initData ) { /* Nothing special yet for ICs */ return CreateDC32W( driver, device, output, initData ); } /*********************************************************************** * CreateCompatibleDC16 (GDI.52) */ HDC16 WINAPI CreateCompatibleDC16( HDC16 hdc ) { return (HDC16)CreateCompatibleDC32( hdc ); } /*********************************************************************** * CreateCompatibleDC32 (GDI32.31) */ HDC32 WINAPI CreateCompatibleDC32( HDC32 hdc ) { DC *dc, *origDC; HBITMAP32 hbitmap; const DC_FUNCTIONS *funcs; if ((origDC = (DC *)GDI_GetObjPtr( hdc, DC_MAGIC ))) funcs = origDC->funcs; else funcs = DRIVER_FindDriver( "DISPLAY" ); if (!funcs) return 0; if (!(dc = DC_AllocDC( funcs ))) return 0; dprintf_dc(stddeb, "CreateCompatibleDC(%04x): returning %04x\n", hdc, dc->hSelf ); /* Create default bitmap */ if (!(hbitmap = CreateBitmap32( 1, 1, 1, 1, NULL ))) { GDI_HEAP_FREE( dc->hSelf ); return 0; } dc->w.flags = DC_MEMORY; dc->w.bitsPerPixel = 1; dc->w.hBitmap = hbitmap; dc->w.hFirstBitmap = hbitmap; if (dc->funcs->pCreateDC && !dc->funcs->pCreateDC( dc, NULL, NULL, NULL, NULL )) { dprintf_dc(stddeb, "CreateCompatibleDC: creation aborted by device\n"); DeleteObject32( hbitmap ); GDI_HEAP_FREE( dc->hSelf ); return 0; } DC_InitDC( dc ); GDI_HEAP_UNLOCK( dc->hSelf ); return dc->hSelf; } /*********************************************************************** * DeleteDC16 (GDI.68) */ BOOL16 WINAPI DeleteDC16( HDC16 hdc ) { return DeleteDC32( hdc ); } /*********************************************************************** * DeleteDC32 (GDI32.67) */ BOOL32 WINAPI DeleteDC32( HDC32 hdc ) { DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); if (!dc) return FALSE; dprintf_dc(stddeb, "DeleteDC: %04x\n", hdc ); while (dc->saveLevel) { DC * dcs; HDC16 hdcs = dc->header.hNext; if (!(dcs = (DC *) GDI_GetObjPtr( hdcs, DC_MAGIC ))) break; dc->header.hNext = dcs->header.hNext; dc->saveLevel--; DeleteDC32( hdcs ); } if (!(dc->w.flags & DC_SAVED)) { SelectObject32( hdc, STOCK_BLACK_PEN ); SelectObject32( hdc, STOCK_WHITE_BRUSH ); SelectObject32( hdc, STOCK_SYSTEM_FONT ); if (dc->w.flags & DC_MEMORY) DeleteObject32( dc->w.hFirstBitmap ); if (dc->funcs->pDeleteDC) dc->funcs->pDeleteDC(dc); } if (dc->w.hClipRgn) DeleteObject32( dc->w.hClipRgn ); if (dc->w.hVisRgn) DeleteObject32( dc->w.hVisRgn ); if (dc->w.hGCClipRgn) DeleteObject32( dc->w.hGCClipRgn ); PATH_DestroyGdiPath(&dc->w.path); return GDI_FreeObject( hdc ); } /*********************************************************************** * ResetDC16 (GDI.376) */ HDC16 WINAPI ResetDC16( HDC16 hdc, const DEVMODE16 *devmode ) { fprintf( stderr, "ResetDC16: empty stub!\n" ); return hdc; } /*********************************************************************** * ResetDC32A (GDI32.287) */ HDC32 WINAPI ResetDC32A( HDC32 hdc, const DEVMODE32A *devmode ) { fprintf( stderr, "ResetDC32A: empty stub!\n" ); return hdc; } /*********************************************************************** * ResetDC32W (GDI32.288) */ HDC32 WINAPI ResetDC32W( HDC32 hdc, const DEVMODE32W *devmode ) { fprintf( stderr, "ResetDC32A: empty stub!\n" ); return hdc; } /*********************************************************************** * GetDeviceCaps16 (GDI.80) */ INT16 WINAPI GetDeviceCaps16( HDC16 hdc, INT16 cap ) { return GetDeviceCaps32( hdc, cap ); } /*********************************************************************** * GetDeviceCaps32 (GDI32.171) */ INT32 WINAPI GetDeviceCaps32( HDC32 hdc, INT32 cap ) { DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); INT32 ret; if (!dc) return 0; if ((cap < 0) || (cap > sizeof(DeviceCaps)-sizeof(WORD))) { GDI_HEAP_UNLOCK( hdc ); return 0; } dprintf_dc(stddeb, "GetDeviceCaps(%04x,%d): returning %d\n", hdc, cap, *(WORD *)(((char *)dc->w.devCaps) + cap) ); ret = *(WORD *)(((char *)dc->w.devCaps) + cap); GDI_HEAP_UNLOCK( hdc ); return ret; } /*********************************************************************** * SetBkColor16 (GDI.1) */ COLORREF WINAPI SetBkColor16( HDC16 hdc, COLORREF color ) { return SetBkColor32( hdc, color ); } /*********************************************************************** * SetBkColor32 (GDI32.305) */ COLORREF WINAPI SetBkColor32( HDC32 hdc, COLORREF color ) { COLORREF oldColor; DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); if (!dc) { dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC); if (!dc) return 0x80000000; MF_MetaParam2(dc, META_SETBKCOLOR, HIWORD(color), LOWORD(color)); GDI_HEAP_UNLOCK( hdc ); return 0; /* ?? */ } oldColor = dc->w.backgroundColor; dc->w.backgroundColor = color; dc->w.backgroundPixel = COLOR_ToPhysical( dc, color ); GDI_HEAP_UNLOCK( hdc ); return oldColor; } /*********************************************************************** * SetTextColor16 (GDI.9) */ COLORREF WINAPI SetTextColor16( HDC16 hdc, COLORREF color ) { return SetTextColor32( hdc, color ); } /*********************************************************************** * SetTextColor32 (GDI32.338) */ COLORREF WINAPI SetTextColor32( HDC32 hdc, COLORREF color ) { COLORREF oldColor; DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); if (!dc) { dc = (DC *)GDI_GetObjPtr(hdc, METAFILE_DC_MAGIC); if (!dc) return 0x80000000; MF_MetaParam2(dc, META_SETTEXTCOLOR, HIWORD(color), LOWORD(color)); GDI_HEAP_UNLOCK( hdc ); return 0; /* ?? */ } oldColor = dc->w.textColor; dc->w.textColor = color; dc->w.textPixel = COLOR_ToPhysical( dc, color ); GDI_HEAP_UNLOCK( hdc ); return oldColor; } /*********************************************************************** * SetTextAlign16 (GDI.346) */ UINT16 WINAPI SetTextAlign16( HDC16 hdc, UINT16 textAlign ) { return SetTextAlign32( hdc, textAlign ); } /*********************************************************************** * SetTextAlign32 (GDI32.336) */ UINT32 WINAPI SetTextAlign32( HDC32 hdc, UINT32 textAlign ) { UINT32 prevAlign; DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); if (!dc) { if (!(dc = (DC *)GDI_GetObjPtr( hdc, METAFILE_DC_MAGIC ))) return 0; MF_MetaParam1( dc, META_SETTEXTALIGN, textAlign ); GDI_HEAP_UNLOCK( hdc ); return 1; } prevAlign = dc->w.textAlign; dc->w.textAlign = textAlign; GDI_HEAP_UNLOCK( hdc ); return prevAlign; } /*********************************************************************** * GetDCOrgEx (GDI32.168) */ BOOL32 WINAPI GetDCOrgEx( HDC32 hDC, LPPOINT32 lpp ) { DC * dc; if (!lpp) return FALSE; if (!(dc = (DC *) GDI_GetObjPtr( hDC, DC_MAGIC ))) return FALSE; if (!(dc->w.flags & DC_MEMORY)) { Window root; int w, h, border, depth; /* FIXME: this is not correct for managed windows */ TSXGetGeometry( display, dc->u.x.drawable, &root, &lpp->x, &lpp->y, &w, &h, &border, &depth ); } else lpp->x = lpp->y = 0; lpp->x += dc->w.DCOrgX; lpp->y += dc->w.DCOrgY; GDI_HEAP_UNLOCK( hDC ); return TRUE; } /*********************************************************************** * GetDCOrg (GDI.79) */ DWORD WINAPI GetDCOrg( HDC16 hdc ) { POINT32 pt; if( GetDCOrgEx( hdc, &pt) ) return MAKELONG( (WORD)pt.x, (WORD)pt.y ); return 0; } /*********************************************************************** * SetDCOrg (GDI.117) */ DWORD WINAPI SetDCOrg( HDC16 hdc, INT16 x, INT16 y ) { DWORD prevOrg; DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); if (!dc) return 0; prevOrg = dc->w.DCOrgX | (dc->w.DCOrgY << 16); dc->w.DCOrgX = x; dc->w.DCOrgY = y; GDI_HEAP_UNLOCK( hdc ); return prevOrg; } /*********************************************************************** * GetGraphicsMode (GDI32.188) */ INT32 WINAPI GetGraphicsMode( HDC32 hdc ) { DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); if (!dc) return 0; return dc->w.GraphicsMode; } /*********************************************************************** * SetGraphicsMode (GDI32.317) */ INT32 WINAPI SetGraphicsMode( HDC32 hdc, INT32 mode ) { INT32 ret; DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); /* One would think that setting the graphics mode to GM_COMPATIBLE * would also reset the world transformation matrix to the unity * matrix. However, in Windows, this is not the case. This doesn't * make a lot of sense to me, but that's the way it is. */ if (!dc) return 0; if ((mode <= 0) || (mode > GM_LAST)) return 0; ret = dc->w.GraphicsMode; dc->w.GraphicsMode = mode; return ret; } /*********************************************************************** * GetArcDirection16 (GDI.524) */ INT16 WINAPI GetArcDirection16( HDC16 hdc ) { return GetArcDirection32( (HDC32)hdc ); } /*********************************************************************** * GetArcDirection32 (GDI32.141) */ INT32 WINAPI GetArcDirection32( HDC32 hdc ) { DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); if (!dc) return 0; return dc->w.ArcDirection; } /*********************************************************************** * SetArcDirection16 (GDI.525) */ INT16 WINAPI SetArcDirection16( HDC16 hdc, INT16 nDirection ) { return SetArcDirection32( (HDC32)hdc, (INT32)nDirection ); } /*********************************************************************** * SetArcDirection32 (GDI32.302) */ INT32 WINAPI SetArcDirection32( HDC32 hdc, INT32 nDirection ) { DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); INT32 nOldDirection; if (!dc) return 0; if (nDirection!=AD_COUNTERCLOCKWISE && nDirection!=AD_CLOCKWISE) { SetLastError(ERROR_INVALID_PARAMETER); return 0; } nOldDirection = dc->w.ArcDirection; dc->w.ArcDirection = nDirection; return nOldDirection; } /*********************************************************************** * GetWorldTransform (GDI32.244) */ BOOL32 WINAPI GetWorldTransform( HDC32 hdc, LPXFORM xform ) /* FIXME: Check that SetLastError is being called correctly */ { DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); if (!dc) /* FIXME: Call SetLastError? */ return FALSE; if (!xform) /* FIXME: Call SetLastError? */ return FALSE; *xform = dc->w.WorldXform; return TRUE; } /*********************************************************************** * SetWorldTransform (GDI32.346) */ BOOL32 WINAPI SetWorldTransform( HDC32 hdc, const XFORM *xform ) { DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); if (!dc) { SetLastError( ERROR_INVALID_HANDLE ); return FALSE; } if (!xform) return FALSE; /* Check that graphics mode is GM_ADVANCED */ if (dc->w.GraphicsMode!=GM_ADVANCED) return FALSE; dc->w.WorldXform = *xform; /* We only have to use the new world transform if it's not the * identity transformation */ dc->w.UseWorldXform= (xform->eM11!=1.0f || xform->eM12!=0.0f || xform->eM21!=0.0f || xform->eM22!=1.0f || xform->eDx!=0.0f || xform->eDy!=0.0f); return TRUE; } /*********************************************************************** * SetDCHook (GDI.190) */ BOOL16 WINAPI SetDCHook( HDC16 hdc, FARPROC16 hookProc, DWORD dwHookData ) { DC *dc = (DC *)GDI_GetObjPtr( hdc, DC_MAGIC ); dprintf_dc( stddeb, "SetDCHook: hookProc %08x, default is %08x\n", (UINT32)hookProc, (UINT32)DCHook ); if (!dc) return FALSE; dc->hookProc = hookProc; dc->dwHookData = dwHookData; GDI_HEAP_UNLOCK( hdc ); return TRUE; } /*********************************************************************** * GetDCHook (GDI.191) */ DWORD WINAPI GetDCHook( HDC16 hdc, FARPROC16 *phookProc ) { DC *dc = (DC *)GDI_GetObjPtr( hdc, DC_MAGIC ); if (!dc) return 0; *phookProc = dc->hookProc; GDI_HEAP_UNLOCK( hdc ); return dc->dwHookData; } /*********************************************************************** * SetHookFlags (GDI.192) */ WORD WINAPI SetHookFlags(HDC16 hDC, WORD flags) { DC* dc = (DC*)GDI_GetObjPtr( hDC, DC_MAGIC ); if( dc ) { WORD wRet = dc->w.flags & DC_DIRTY; /* "Undocumented Windows" info is slightly confusing. */ dprintf_dc(stddeb,"SetHookFlags: hDC %04x, flags %04x\n",hDC,flags); if( flags & DCHF_INVALIDATEVISRGN ) dc->w.flags |= DC_DIRTY; else if( flags & DCHF_VALIDATEVISRGN || !flags ) dc->w.flags &= ~DC_DIRTY; GDI_HEAP_UNLOCK( hDC ); return wRet; } return 0; }