/* * GDI Device Context functions * * Copyright 1993 Alexandre Julliard * */ #include "config.h" #ifndef X_DISPLAY_MISSING #include "ts_xlib.h" #include "x11drv.h" #endif /* !defined(X_DISPLAY_MISSING) */ #include #include #include "dc.h" #include "gdi.h" #include "heap.h" #include "debugtools.h" #include "font.h" #include "callback.h" #include "winerror.h" #include "wine/winuser16.h" DEFAULT_DEBUG_CHANNEL(dc) /*********************************************************************** * 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->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->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->pAbortProc = 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->hookThunk = 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( HDC hdc ) { GDIOBJHDR *ptr = (GDIOBJHDR *)GDI_HEAP_LOCK( hdc ); if (!ptr) return NULL; if ((ptr->wMagic == DC_MAGIC) || (ptr->wMagic == METAFILE_DC_MAGIC) || (ptr->wMagic == ENHMETAFILE_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 ) { RealizeDefaultPalette16( dc->hSelf ); SetTextColor( dc->hSelf, dc->w.textColor ); SetBkColor( dc->hSelf, dc->w.backgroundColor ); SelectObject( dc->hSelf, dc->w.hPen ); SelectObject( dc->hSelf, dc->w.hBrush ); SelectObject( dc->hSelf, dc->w.hFont ); CLIPPING_UpdateGCRegion( dc ); } /*********************************************************************** * 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 BOOL 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 GetDCState16( 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("(%04x): returning %04x\n", hdc, handle ); 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.hDevice = dc->w.hDevice; newdc->w.hPalette = dc->w.hPalette; newdc->w.totalExtent = dc->w.totalExtent; 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.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; #if 0 /* Apparently, the DC origin is not changed by [GS]etDCState */ newdc->w.DCOrgX = dc->w.DCOrgX; newdc->w.DCOrgY = dc->w.DCOrgY; #endif 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 = (HDC)handle; newdc->saveLevel = 0; PATH_InitGdiPath( &newdc->w.path ); newdc->w.pAbortProc = NULL; /* 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 = CreateRectRgn( 0, 0, 0, 0 ); CombineRgn( 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 SetDCState16( 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("%04x %04x\n", hdc, hdcs ); dc->w.flags = dcs->w.flags & ~DC_SAVED; dc->w.devCaps = dcs->w.devCaps; dc->w.hDevice = dcs->w.hDevice; dc->w.totalExtent = dcs->w.totalExtent; 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.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; #if 0 /* Apparently, the DC origin is not changed by [GS]etDCState */ dc->w.DCOrgX = dcs->w.DCOrgX; dc->w.DCOrgY = dcs->w.DCOrgY; #endif 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; if (dcs->w.hClipRgn) { if (!dc->w.hClipRgn) dc->w.hClipRgn = CreateRectRgn( 0, 0, 0, 0 ); CombineRgn( dc->w.hClipRgn, dcs->w.hClipRgn, 0, RGN_COPY ); } else { if (dc->w.hClipRgn) DeleteObject16( dc->w.hClipRgn ); dc->w.hClipRgn = 0; } CLIPPING_UpdateGCRegion( dc ); SelectObject( hdc, dcs->w.hBitmap ); SelectObject( hdc, dcs->w.hBrush ); SelectObject( hdc, dcs->w.hFont ); SelectObject( hdc, dcs->w.hPen ); SetBkColor( hdc, dcs->w.backgroundColor); SetTextColor( hdc, dcs->w.textColor); GDISelectPalette16( hdc, dcs->w.hPalette, FALSE ); GDI_HEAP_UNLOCK( hdc ); GDI_HEAP_UNLOCK( hdcs ); } /*********************************************************************** * SaveDC16 (GDI.30) */ INT16 WINAPI SaveDC16( HDC16 hdc ) { return (INT16)SaveDC( hdc ); } /*********************************************************************** * SaveDC32 (GDI32.292) */ INT WINAPI SaveDC( HDC hdc ) { HDC hdcs; DC * dc, * dcs; INT ret; dc = DC_GetDCPtr( hdc ); if (!dc) return 0; if(dc->funcs->pSaveDC) return dc->funcs->pSaveDC( dc ); if (!(hdcs = GetDCState16( 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 ); DeleteDC( hdcs ); return 0; } dcs->header.hNext = dc->header.hNext; dc->header.hNext = hdcs; TRACE("(%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 RestoreDC( hdc, level ); } /*********************************************************************** * RestoreDC32 (GDI32.290) */ BOOL WINAPI RestoreDC( HDC hdc, INT level ) { DC * dc, * dcs; BOOL success; TRACE("%04x %d\n", hdc, level ); dc = DC_GetDCPtr( hdc ); if(!dc) return FALSE; if(dc->funcs->pRestoreDC) return dc->funcs->pRestoreDC( dc, level ); 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) { SetDCState16( 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; } DeleteDC( hdcs ); } GDI_HEAP_UNLOCK( hdc ); return success; } /*********************************************************************** * CreateDC16 (GDI.53) */ HDC16 WINAPI CreateDC16( LPCSTR driver, LPCSTR device, LPCSTR output, const DEVMODEA *initData ) { DC * dc; const DC_FUNCTIONS *funcs; char buf[300]; if (device) { if(!DRIVER_GetDriverName( device, buf, sizeof(buf) )) return 0; } else strcpy(buf, driver); if (!(funcs = DRIVER_FindDriver( buf ))) return 0; if (!(dc = DC_AllocDC( funcs ))) return 0; dc->w.flags = 0; TRACE("(driver=%s, device=%s, output=%s): returning %04x\n", debugstr_a(driver), debugstr_a(device), debugstr_a(output), dc->hSelf ); if (dc->funcs->pCreateDC && !dc->funcs->pCreateDC( dc, buf, device, output, initData )) { WARN("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.) */ HDC WINAPI CreateDCA( LPCSTR driver, LPCSTR device, LPCSTR output, const DEVMODEA *initData ) { return CreateDC16( driver, device, output, (const DEVMODEA *)initData ); } /*********************************************************************** * CreateDC32W (GDI32.) */ HDC WINAPI CreateDCW( LPCWSTR driver, LPCWSTR device, LPCWSTR output, const DEVMODEW *initData ) { LPSTR driverA = HEAP_strdupWtoA( GetProcessHeap(), 0, driver ); LPSTR deviceA = HEAP_strdupWtoA( GetProcessHeap(), 0, device ); LPSTR outputA = HEAP_strdupWtoA( GetProcessHeap(), 0, output ); HDC res = CreateDC16( driverA, deviceA, outputA, (const DEVMODEA *)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 DEVMODEA* initData ) { /* Nothing special yet for ICs */ return CreateDC16( driver, device, output, initData ); } /*********************************************************************** * CreateIC32A (GDI32.49) */ HDC WINAPI CreateICA( LPCSTR driver, LPCSTR device, LPCSTR output, const DEVMODEA* initData ) { /* Nothing special yet for ICs */ return CreateDCA( driver, device, output, initData ); } /*********************************************************************** * CreateIC32W (GDI32.50) */ HDC WINAPI CreateICW( LPCWSTR driver, LPCWSTR device, LPCWSTR output, const DEVMODEW* initData ) { /* Nothing special yet for ICs */ return CreateDCW( driver, device, output, initData ); } /*********************************************************************** * CreateCompatibleDC16 (GDI.52) */ HDC16 WINAPI CreateCompatibleDC16( HDC16 hdc ) { return (HDC16)CreateCompatibleDC( hdc ); } /*********************************************************************** * CreateCompatibleDC32 (GDI32.31) */ HDC WINAPI CreateCompatibleDC( HDC hdc ) { DC *dc, *origDC; 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("(%04x): returning %04x\n", hdc, dc->hSelf ); dc->w.flags = DC_MEMORY; dc->w.bitsPerPixel = 1; dc->w.hBitmap = hPseudoStockBitmap; /* Copy the driver-specific physical device info into * the new DC. The driver may use this read-only info * while creating the compatible DC below. */ if (origDC) dc->physDev = origDC->physDev; if (dc->funcs->pCreateDC && !dc->funcs->pCreateDC( dc, NULL, NULL, NULL, NULL )) { WARN("creation aborted by device\n"); 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 DeleteDC( hdc ); } /*********************************************************************** * DeleteDC32 (GDI32.67) */ BOOL WINAPI DeleteDC( HDC hdc ) { DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); if (!dc) return FALSE; TRACE("%04x\n", hdc ); /* Call hook procedure to check whether is it OK to delete this DC */ if ( dc->hookThunk && !(dc->w.flags & (DC_SAVED | DC_MEMORY)) && dc->hookThunk( hdc, DCHC_DELETEDC, dc->dwHookData, 0 ) == FALSE ) { GDI_HEAP_UNLOCK( hdc ); return FALSE; } 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--; DeleteDC( hdcs ); } if (!(dc->w.flags & DC_SAVED)) { SelectObject( hdc, STOCK_BLACK_PEN ); SelectObject( hdc, STOCK_WHITE_BRUSH ); SelectObject( hdc, STOCK_SYSTEM_FONT ); if (dc->funcs->pDeleteDC) dc->funcs->pDeleteDC(dc); } if (dc->w.hClipRgn) DeleteObject( dc->w.hClipRgn ); if (dc->w.hVisRgn) DeleteObject( dc->w.hVisRgn ); if (dc->w.hGCClipRgn) DeleteObject( dc->w.hGCClipRgn ); if (dc->w.pAbortProc) THUNK_Free( (FARPROC)dc->w.pAbortProc ); if (dc->hookThunk) THUNK_Free( (FARPROC)dc->hookThunk ); PATH_DestroyGdiPath(&dc->w.path); return GDI_FreeObject( hdc ); } /*********************************************************************** * ResetDC16 (GDI.376) */ HDC16 WINAPI ResetDC16( HDC16 hdc, const DEVMODEA *devmode ) { FIXME("stub\n" ); return hdc; } /*********************************************************************** * ResetDC32A (GDI32.287) */ HDC WINAPI ResetDCA( HDC hdc, const DEVMODEA *devmode ) { FIXME("stub\n" ); return hdc; } /*********************************************************************** * ResetDC32W (GDI32.288) */ HDC WINAPI ResetDCW( HDC hdc, const DEVMODEW *devmode ) { FIXME("stub\n" ); return hdc; } /*********************************************************************** * GetDeviceCaps16 (GDI.80) */ INT16 WINAPI GetDeviceCaps16( HDC16 hdc, INT16 cap ) { return GetDeviceCaps( hdc, cap ); } /*********************************************************************** * GetDeviceCaps32 (GDI32.171) */ INT WINAPI GetDeviceCaps( HDC hdc, INT cap ) { DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); INT ret; POINT pt; if (!dc) return 0; /* Device capabilities for the printer */ switch (cap) { case PHYSICALWIDTH: if(Escape(hdc, GETPHYSPAGESIZE, 0, NULL, (LPVOID)&pt) > 0) return pt.x; case PHYSICALHEIGHT: if(Escape(hdc, GETPHYSPAGESIZE, 0, NULL, (LPVOID)&pt) > 0) return pt.y; case PHYSICALOFFSETX: if(Escape(hdc, GETPRINTINGOFFSET, 0, NULL, (LPVOID)&pt) > 0) return pt.x; case PHYSICALOFFSETY: if(Escape(hdc, GETPRINTINGOFFSET, 0, NULL, (LPVOID)&pt) > 0) return pt.y; case SCALINGFACTORX: if(Escape(hdc, GETSCALINGFACTOR, 0, NULL, (LPVOID)&pt) > 0) return pt.x; case SCALINGFACTORY: if(Escape(hdc, GETSCALINGFACTOR, 0, NULL, (LPVOID)&pt) > 0) return pt.y; } if ((cap < 0) || (cap > sizeof(DeviceCaps)-sizeof(WORD))) { GDI_HEAP_UNLOCK( hdc ); return 0; } TRACE("(%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 SetBkColor( hdc, color ); } /*********************************************************************** * SetBkColor32 (GDI32.305) */ COLORREF WINAPI SetBkColor( HDC hdc, COLORREF color ) { COLORREF oldColor; DC * dc = DC_GetDCPtr( hdc ); if (!dc) return 0x80000000; if (dc->funcs->pSetBkColor) oldColor = dc->funcs->pSetBkColor(dc, color); else { oldColor = dc->w.backgroundColor; dc->w.backgroundColor = color; } GDI_HEAP_UNLOCK( hdc ); return oldColor; } /*********************************************************************** * SetTextColor16 (GDI.9) */ COLORREF WINAPI SetTextColor16( HDC16 hdc, COLORREF color ) { return SetTextColor( hdc, color ); } /*********************************************************************** * SetTextColor32 (GDI32.338) */ COLORREF WINAPI SetTextColor( HDC hdc, COLORREF color ) { COLORREF oldColor; DC * dc = DC_GetDCPtr( hdc ); if (!dc) return 0x80000000; if (dc->funcs->pSetTextColor) oldColor = dc->funcs->pSetTextColor(dc, color); else { oldColor = dc->w.textColor; dc->w.textColor = color; } GDI_HEAP_UNLOCK( hdc ); return oldColor; } /*********************************************************************** * SetTextAlign16 (GDI.346) */ UINT16 WINAPI SetTextAlign16( HDC16 hdc, UINT16 align ) { return SetTextAlign( hdc, align ); } /*********************************************************************** * SetTextAlign (GDI32.336) */ UINT WINAPI SetTextAlign( HDC hdc, UINT align ) { UINT prevAlign; DC *dc = DC_GetDCPtr( hdc ); if (!dc) return 0x0; if (dc->funcs->pSetTextAlign) prevAlign = dc->funcs->pSetTextAlign(dc, align); else { prevAlign = dc->w.textAlign; dc->w.textAlign = align; } GDI_HEAP_UNLOCK( hdc ); return prevAlign; } /*********************************************************************** * GetDCOrgEx (GDI32.168) */ BOOL WINAPI GetDCOrgEx( HDC hDC, LPPOINT lpp ) { DC * dc; if (!lpp) return FALSE; if (!(dc = (DC *) GDI_GetObjPtr( hDC, DC_MAGIC ))) return FALSE; #ifndef X_DISPLAY_MISSING if (!(dc->w.flags & DC_MEMORY)) { X11DRV_PDEVICE *physDev; Window root; int w, h, border, depth; physDev = (X11DRV_PDEVICE *) dc->physDev; /* FIXME: this is not correct for managed windows */ TSXGetGeometry( display, physDev->drawable, &root, (int*)&lpp->x, (int*)&lpp->y, &w, &h, &border, &depth ); } else #endif /* !defined(X_DISPLAY_MISSING) */ 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 GetDCOrg16( HDC16 hdc ) { POINT pt; if( GetDCOrgEx( hdc, &pt) ) return MAKELONG( (WORD)pt.x, (WORD)pt.y ); return 0; } /*********************************************************************** * SetDCOrg (GDI.117) */ DWORD WINAPI SetDCOrg16( 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) */ INT WINAPI GetGraphicsMode( HDC hdc ) { DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); if (!dc) return 0; return dc->w.GraphicsMode; } /*********************************************************************** * SetGraphicsMode (GDI32.317) */ INT WINAPI SetGraphicsMode( HDC hdc, INT mode ) { INT 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 GetArcDirection( (HDC)hdc ); } /*********************************************************************** * GetArcDirection32 (GDI32.141) */ INT WINAPI GetArcDirection( HDC 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 SetArcDirection( (HDC)hdc, (INT)nDirection ); } /*********************************************************************** * SetArcDirection32 (GDI32.302) */ INT WINAPI SetArcDirection( HDC hdc, INT nDirection ) { DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ); INT 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) */ BOOL WINAPI GetWorldTransform( HDC 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) */ BOOL WINAPI SetWorldTransform( HDC 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 */ BOOL WINAPI ModifyWorldTransform( HDC 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 */ BOOL 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) */ /* ### start build ### */ extern WORD CALLBACK GDI_CallTo16_word_wwll(FARPROC16,WORD,WORD,LONG,LONG); /* ### stop build ### */ BOOL16 WINAPI SetDCHook( HDC16 hdc, FARPROC16 hookProc, DWORD dwHookData ) { DC *dc = (DC *)GDI_GetObjPtr( hdc, DC_MAGIC ); if (!dc) return FALSE; /* * Note: We store the original SEGPTR 'hookProc' as we need to be * able to return it verbatim in GetDCHook, * * On the other hand, we still call THUNK_Alloc and store the * 32-bit thunk into another DC member, because THUNK_Alloc * recognizes the (typical) case that the 'hookProc' is indeed * the 16-bit API entry point of a built-in routine (e.g. DCHook16) * * We could perform that test every time the hook is about to * be called (or else we could live with the 32->16->32 detour), * but this way is the most efficient ... */ dc->hookProc = hookProc; dc->dwHookData = dwHookData; THUNK_Free( (FARPROC)dc->hookThunk ); dc->hookThunk = (DCHOOKPROC) THUNK_Alloc( hookProc, (RELAY)GDI_CallTo16_word_wwll ); 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 SetHookFlags16(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("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; } /*********************************************************************** * SetICMMode (GDI32.318) */ INT WINAPI SetICMMode(HDC hdc, INT iEnableICM) { /*FIXME Asuming that ICM is always off, and cannot be turned on */ if (iEnableICM == ICM_OFF) return ICM_OFF; if (iEnableICM == ICM_ON) return 0; if (iEnableICM == ICM_QUERY) return ICM_OFF; return 0; } /*********************************************************************** * GetColorSpace (GDI32.165) */ HCOLORSPACE WINAPI GetColorSpace(HDC hdc) { /*FIXME Need to to whatever GetColorSpace actually does */ return 0; } /*********************************************************************** * CreateColorSpaceA (GDI32.???) */ HCOLORSPACE WINAPI CreateColorSpaceA( LPLOGCOLORSPACEA lpLogColorSpace ) { FIXME( "stub\n" ); return 0; } /*********************************************************************** * CreateColorSpaceW (GDI32.???) */ HCOLORSPACE WINAPI CreateColorSpaceW( LPLOGCOLORSPACEW lpLogColorSpace ) { FIXME( "stub\n" ); return 0; } /*********************************************************************** * DeleteColorSpace (GDI32.???) */ BOOL WINAPI DeleteColorSpace( HCOLORSPACE hColorSpace ) { FIXME( "stub\n" ); return True; } /*********************************************************************** * SetColorSpace (GDI32.???) */ HCOLORSPACE WINAPI SetColorSpace( HDC hDC, HCOLORSPACE hColorSpace ) { FIXME( "stub\n" ); return hColorSpace; } /*********************************************************************** * GetBoundsRect16 (GDI.194) */ UINT16 WINAPI GetBoundsRect16(HDC16 hdc, LPRECT16 rect, UINT16 flags) { return DCB_RESET | DCB_DISABLE; /* bounding rectangle always empty and disabled*/ } /*********************************************************************** * GetBoundsRect32 (GDI32.147) */ UINT WINAPI GetBoundsRect(HDC hdc, LPRECT rect, UINT flags) { FIXME("(): stub\n"); return DCB_RESET; /* bounding rectangle always empty */ } /*********************************************************************** * SetBoundsRect16 (GDI.193) */ UINT16 WINAPI SetBoundsRect16(HDC16 hdc, const RECT16* rect, UINT16 flags) { if ( (flags & DCB_ACCUMULATE) || (flags & DCB_ENABLE) ) FIXME("(%04x, %p, %04x): stub\n", hdc, rect, flags ); return DCB_RESET | DCB_DISABLE; /* bounding rectangle always empty and disabled*/ } /*********************************************************************** * SetBoundsRect32 (GDI32.307) */ UINT WINAPI SetBoundsRect(HDC hdc, const RECT* rect, UINT flags) { FIXME("(): stub\n"); return DCB_DISABLE; /* bounding rectangle always empty */ } /*********************************************************************** * Death (GDI.121) * * Disables GDI, switches back to text mode. * We don't have to do anything here, * just let console support handle everything */ void WINAPI Death16(HDC16 hDC) { MESSAGE("Death(%04x) called. Application enters text mode...\n", hDC); } /*********************************************************************** * Resurrection (GDI.122) * * Restores GDI functionality */ void WINAPI Resurrection16(HDC16 hDC, WORD w1, WORD w2, WORD w3, WORD w4, WORD w5, WORD w6) { MESSAGE("Resurrection(%04x, %04x, %04x, %04x, %04x, %04x, %04x) called. Application left text mode.\n", hDC, w1, w2, w3, w4, w5, w6); } /*********************************************************************** * GetLayout (GDI32.321) * * Gets left->right or right->left text layout flags of a dc. * win98 just returns 0 and sets ERROR_CALL_NOT_IMPLEMENTED so we do the same * */ DWORD WINAPI GetLayout(HDC hdc) { FIXME("(%08x): stub\n", hdc); SetLastError(ERROR_CALL_NOT_IMPLEMENTED); return 0; } /*********************************************************************** * SetLayout (GDI32.450) * * Sets left->right or right->left text layout flags of a dc. * win98 just returns 0 and sets ERROR_CALL_NOT_IMPLEMENTED so we do the same * */ DWORD WINAPI SetLayout(HDC hdc, DWORD layout) { FIXME("(%08x,%08lx): stub\n", hdc, layout); SetLastError(ERROR_CALL_NOT_IMPLEMENTED); return 0; }