| /* |
| * GDI Device Context functions |
| * |
| * Copyright 1993 Alexandre Julliard |
| * |
| */ |
| |
| #include <stdlib.h> |
| #include <string.h> |
| #include "dc.h" |
| #include "gdi.h" |
| #include "heap.h" |
| #include "metafile.h" |
| #include "color.h" |
| #include "debug.h" |
| #include "font.h" |
| #include "winerror.h" |
| #include "x11font.h" |
| |
| /* 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->lpfnPrint = NULL; |
| win_dc_info->CursPosX = 0; |
| win_dc_info->CursPosY = 0; |
| win_dc_info->ArcDirection = AD_COUNTERCLOCKWISE; |
| win_dc_info->xformWorld2Wnd.eM11 = 1.0f; |
| win_dc_info->xformWorld2Wnd.eM12 = 0.0f; |
| win_dc_info->xformWorld2Wnd.eM21 = 0.0f; |
| win_dc_info->xformWorld2Wnd.eM22 = 1.0f; |
| win_dc_info->xformWorld2Wnd.eDx = 0.0f; |
| win_dc_info->xformWorld2Wnd.eDy = 0.0f; |
| win_dc_info->xformWorld2Vport = win_dc_info->xformWorld2Wnd; |
| win_dc_info->xformVport2World = win_dc_info->xformWorld2Wnd; |
| win_dc_info->vport2WorldValid = TRUE; |
| |
| 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; |
| break; |
| case PS_JOIN_MITER: |
| val.join_style = JoinMiter; |
| break; |
| 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; |
| } |
| WARN(dc, "Physical font failure\n" ); |
| return FALSE; |
| } |
| |
| |
| /*********************************************************************** |
| * DC_InvertXform |
| * |
| * Computes the inverse of the transformation xformSrc and stores it to |
| * xformDest. Returns TRUE if successful or FALSE if the xformSrc matrix |
| * is singular. |
| */ |
| static BOOL32 DC_InvertXform( const XFORM *xformSrc, XFORM *xformDest ) |
| { |
| FLOAT determinant; |
| |
| determinant = xformSrc->eM11*xformSrc->eM22 - |
| xformSrc->eM12*xformSrc->eM21; |
| if (determinant > -1e-12 && determinant < 1e-12) |
| return FALSE; |
| |
| xformDest->eM11 = xformSrc->eM22 / determinant; |
| xformDest->eM12 = -xformSrc->eM12 / determinant; |
| xformDest->eM21 = -xformSrc->eM21 / determinant; |
| xformDest->eM22 = xformSrc->eM11 / determinant; |
| xformDest->eDx = -xformSrc->eDx * xformDest->eM11 - |
| xformSrc->eDy * xformDest->eM21; |
| xformDest->eDy = -xformSrc->eDx * xformDest->eM12 - |
| xformSrc->eDy * xformDest->eM22; |
| |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * DC_UpdateXforms |
| * |
| * Updates the xformWorld2Vport, xformVport2World and vport2WorldValid |
| * fields of the specified DC by creating a transformation that |
| * represents the current mapping mode and combining it with the DC's |
| * world transform. This function should be called whenever the |
| * parameters associated with the mapping mode (window and viewport |
| * extents and origins) or the world transform change. |
| */ |
| void DC_UpdateXforms( DC *dc ) |
| { |
| XFORM xformWnd2Vport; |
| FLOAT scaleX, scaleY; |
| |
| /* Construct a transformation to do the window-to-viewport conversion */ |
| scaleX = (FLOAT)dc->vportExtX / (FLOAT)dc->wndExtX; |
| scaleY = (FLOAT)dc->vportExtY / (FLOAT)dc->wndExtY; |
| xformWnd2Vport.eM11 = scaleX; |
| xformWnd2Vport.eM12 = 0.0; |
| xformWnd2Vport.eM21 = 0.0; |
| xformWnd2Vport.eM22 = scaleY; |
| xformWnd2Vport.eDx = (FLOAT)dc->vportOrgX - |
| scaleX * (FLOAT)dc->wndOrgX; |
| xformWnd2Vport.eDy = (FLOAT)dc->vportOrgY - |
| scaleY * (FLOAT)dc->wndOrgY; |
| |
| /* Combine with the world transformation */ |
| CombineTransform( &dc->w.xformWorld2Vport, &dc->w.xformWorld2Wnd, |
| &xformWnd2Vport ); |
| |
| /* Create inverse of world-to-viewport transformation */ |
| dc->w.vport2WorldValid = DC_InvertXform( &dc->w.xformWorld2Vport, |
| &dc->w.xformVport2World ); |
| } |
| |
| |
| /*********************************************************************** |
| * 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 ); |
| |
| TRACE(dc, "(%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.xformWorld2Wnd = dc->w.xformWorld2Wnd; |
| newdc->w.xformWorld2Vport = dc->w.xformWorld2Vport; |
| newdc->w.xformVport2World = dc->w.xformVport2World; |
| newdc->w.vport2WorldValid = dc->w.vport2WorldValid; |
| 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; |
| } |
| TRACE(dc, "%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.xformWorld2Wnd = dcs->w.xformWorld2Wnd; |
| dc->w.xformWorld2Vport = dcs->w.xformWorld2Vport; |
| dc->w.xformVport2World = dcs->w.xformVport2World; |
| dc->w.vport2WorldValid = dcs->w.vport2WorldValid; |
| |
| 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; |
| TRACE(dc, "(%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; |
| |
| TRACE(dc, "%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; |
| |
| TRACE(dc, "(%s %s %s): returning %04x\n", |
| driver, device, output, dc->hSelf ); |
| |
| if (dc->funcs->pCreateDC && |
| !dc->funcs->pCreateDC( dc, driver, device, output, initData )) |
| { |
| WARN(dc, "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; |
| |
| TRACE(dc, "(%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 )) |
| { |
| WARN(dc, "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; |
| |
| TRACE(dc, "%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 ) |
| { |
| FIXME(dc, "stub\n" ); |
| return hdc; |
| } |
| |
| |
| /*********************************************************************** |
| * ResetDC32A (GDI32.287) |
| */ |
| HDC32 WINAPI ResetDC32A( HDC32 hdc, const DEVMODE32A *devmode ) |
| { |
| FIXME(dc, "stub\n" ); |
| return hdc; |
| } |
| |
| |
| /*********************************************************************** |
| * ResetDC32W (GDI32.288) |
| */ |
| HDC32 WINAPI ResetDC32W( HDC32 hdc, const DEVMODE32W *devmode ) |
| { |
| FIXME(dc, "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; |
| } |
| |
| TRACE(dc, "(%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 ) |
| { |
| DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); |
| |
| if (!dc) |
| return FALSE; |
| if (!xform) |
| return FALSE; |
| |
| *xform = dc->w.xformWorld2Wnd; |
| |
| 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.xformWorld2Wnd = *xform; |
| |
| DC_UpdateXforms( dc ); |
| |
| return TRUE; |
| } |
| |
| |
| /**************************************************************************** |
| * ModifyWorldTransform [GDI32.253] |
| * Modifies the world transformation for a device context. |
| * |
| * PARAMS |
| * hdc [I] Handle to device context |
| * xform [I] XFORM structure that will be used to modify the world |
| * transformation |
| * iMode [I] Specifies in what way to modify the world transformation |
| * Possible values: |
| * MWT_IDENTITY |
| * Resets the world transformation to the identity matrix. |
| * The parameter xform is ignored. |
| * MWT_LEFTMULTIPLY |
| * Multiplies xform into the world transformation matrix from |
| * the left. |
| * MWT_RIGHTMULTIPLY |
| * Multiplies xform into the world transformation matrix from |
| * the right. |
| * |
| * RETURNS STD |
| */ |
| BOOL32 WINAPI ModifyWorldTransform( HDC32 hdc, const XFORM *xform, |
| DWORD iMode ) |
| { |
| DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); |
| |
| /* Check for illegal parameters */ |
| 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; |
| |
| switch (iMode) |
| { |
| case MWT_IDENTITY: |
| dc->w.xformWorld2Wnd.eM11 = 1.0f; |
| dc->w.xformWorld2Wnd.eM12 = 0.0f; |
| dc->w.xformWorld2Wnd.eM21 = 0.0f; |
| dc->w.xformWorld2Wnd.eM22 = 1.0f; |
| dc->w.xformWorld2Wnd.eDx = 0.0f; |
| dc->w.xformWorld2Wnd.eDy = 0.0f; |
| break; |
| case MWT_LEFTMULTIPLY: |
| CombineTransform( &dc->w.xformWorld2Wnd, xform, |
| &dc->w.xformWorld2Wnd ); |
| break; |
| case MWT_RIGHTMULTIPLY: |
| CombineTransform( &dc->w.xformWorld2Wnd, &dc->w.xformWorld2Wnd, |
| xform ); |
| break; |
| default: |
| return FALSE; |
| } |
| |
| DC_UpdateXforms( dc ); |
| |
| return TRUE; |
| } |
| |
| |
| /**************************************************************************** |
| * CombineTransform [GDI32.20] |
| * Combines two transformation matrices. |
| * |
| * PARAMS |
| * xformResult [O] Stores the result of combining the two matrices |
| * xform1 [I] Specifies the first matrix to apply |
| * xform2 [I] Specifies the second matrix to apply |
| * |
| * REMARKS |
| * The same matrix can be passed in for more than one of the parameters. |
| * |
| * RETURNS STD |
| */ |
| BOOL32 WINAPI CombineTransform( LPXFORM xformResult, const XFORM *xform1, |
| const XFORM *xform2 ) |
| { |
| XFORM xformTemp; |
| |
| /* Check for illegal parameters */ |
| if (!xformResult || !xform1 || !xform2) |
| return FALSE; |
| |
| /* Create the result in a temporary XFORM, since xformResult may be |
| * equal to xform1 or xform2 */ |
| xformTemp.eM11 = xform1->eM11 * xform2->eM11 + |
| xform1->eM12 * xform2->eM21; |
| xformTemp.eM12 = xform1->eM11 * xform2->eM12 + |
| xform1->eM12 * xform2->eM22; |
| xformTemp.eM21 = xform1->eM21 * xform2->eM11 + |
| xform1->eM22 * xform2->eM21; |
| xformTemp.eM22 = xform1->eM21 * xform2->eM12 + |
| xform1->eM22 * xform2->eM22; |
| xformTemp.eDx = xform1->eDx * xform2->eM11 + |
| xform1->eDy * xform2->eM21 + |
| xform2->eDx; |
| xformTemp.eDy = xform1->eDx * xform2->eM12 + |
| xform1->eDy * xform2->eM22 + |
| xform2->eDy; |
| |
| /* Copy the result to xformResult */ |
| *xformResult = xformTemp; |
| |
| return TRUE; |
| } |
| |
| |
| /*********************************************************************** |
| * SetDCHook (GDI.190) |
| */ |
| BOOL16 WINAPI SetDCHook( HDC16 hdc, FARPROC16 hookProc, DWORD dwHookData ) |
| { |
| DC *dc = (DC *)GDI_GetObjPtr( hdc, DC_MAGIC ); |
| |
| TRACE(dc, "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. |
| */ |
| |
| TRACE(dc,"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; |
| } |
| |