/* * GDI Device Context functions * * Copyright 1993 Alexandre Julliard * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include "config.h" #include #include #include #include #include "windef.h" #include "winbase.h" #include "wingdi.h" #include "winreg.h" #include "winternl.h" #include "winerror.h" #include "gdi_private.h" #include "wine/unicode.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(dc); static const WCHAR displayW[] = { 'd','i','s','p','l','a','y',0 }; static BOOL DC_DeleteObject( HGDIOBJ handle ); static const struct gdi_obj_funcs dc_funcs = { NULL, /* pSelectObject */ NULL, /* pGetObjectA */ NULL, /* pGetObjectW */ NULL, /* pUnrealizeObject */ DC_DeleteObject /* pDeleteObject */ }; static inline DC *get_dc_obj( HDC hdc ) { WORD type; DC *dc = get_any_obj_ptr( hdc, &type ); if (!dc) return NULL; switch (type) { case OBJ_DC: case OBJ_MEMDC: case OBJ_METADC: case OBJ_ENHMETADC: return dc; default: GDI_ReleaseObj( hdc ); SetLastError( ERROR_INVALID_HANDLE ); return NULL; } } /*********************************************************************** * set_initial_dc_state */ static void set_initial_dc_state( DC *dc ) { 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->miterLimit = 10.0f; /* 10.0 is the default, from MSDN */ dc->layout = 0; dc->font_code_page = CP_ACP; dc->ROPmode = R2_COPYPEN; dc->polyFillMode = ALTERNATE; dc->stretchBltMode = BLACKONWHITE; dc->relAbsMode = ABSOLUTE; dc->backgroundMode = OPAQUE; dc->backgroundColor = RGB( 255, 255, 255 ); dc->dcBrushColor = RGB( 255, 255, 255 ); dc->dcPenColor = RGB( 0, 0, 0 ); dc->textColor = RGB( 0, 0, 0 ); dc->brushOrgX = 0; dc->brushOrgY = 0; dc->mapperFlags = 0; dc->textAlign = TA_LEFT | TA_TOP | TA_NOUPDATECP; dc->charExtra = 0; dc->breakExtra = 0; dc->breakRem = 0; dc->MapMode = MM_TEXT; dc->GraphicsMode = GM_COMPATIBLE; dc->CursPosX = 0; dc->CursPosY = 0; dc->ArcDirection = AD_COUNTERCLOCKWISE; dc->xformWorld2Wnd.eM11 = 1.0f; dc->xformWorld2Wnd.eM12 = 0.0f; dc->xformWorld2Wnd.eM21 = 0.0f; dc->xformWorld2Wnd.eM22 = 1.0f; dc->xformWorld2Wnd.eDx = 0.0f; dc->xformWorld2Wnd.eDy = 0.0f; dc->xformWorld2Vport = dc->xformWorld2Wnd; dc->xformVport2World = dc->xformWorld2Wnd; dc->vport2WorldValid = TRUE; reset_bounds( &dc->bounds ); } /*********************************************************************** * alloc_dc_ptr */ DC *alloc_dc_ptr( WORD magic ) { DC *dc; if (!(dc = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*dc) ))) return NULL; dc->nulldrv.funcs = &null_driver; dc->physDev = &dc->nulldrv; dc->thread = GetCurrentThreadId(); dc->refcount = 1; dc->hPen = GDI_inc_ref_count( GetStockObject( BLACK_PEN )); dc->hBrush = GDI_inc_ref_count( GetStockObject( WHITE_BRUSH )); dc->hFont = GDI_inc_ref_count( GetStockObject( SYSTEM_FONT )); dc->hPalette = GetStockObject( DEFAULT_PALETTE ); set_initial_dc_state( dc ); if (!(dc->hSelf = alloc_gdi_handle( dc, magic, &dc_funcs ))) { HeapFree( GetProcessHeap(), 0, dc ); return NULL; } dc->nulldrv.hdc = dc->hSelf; if (font_driver && !font_driver->pCreateDC( &dc->physDev, NULL, NULL, NULL, NULL )) { free_dc_ptr( dc ); return NULL; } return dc; } /*********************************************************************** * free_dc_state */ static void free_dc_state( DC *dc ) { if (dc->hClipRgn) DeleteObject( dc->hClipRgn ); if (dc->hMetaRgn) DeleteObject( dc->hMetaRgn ); if (dc->hVisRgn) DeleteObject( dc->hVisRgn ); if (dc->region) DeleteObject( dc->region ); if (dc->path) free_gdi_path( dc->path ); HeapFree( GetProcessHeap(), 0, dc ); } /*********************************************************************** * free_dc_ptr */ void free_dc_ptr( DC *dc ) { assert( dc->refcount == 1 ); while (dc->physDev != &dc->nulldrv) { PHYSDEV physdev = dc->physDev; dc->physDev = physdev->next; physdev->funcs->pDeleteDC( physdev ); } GDI_dec_ref_count( dc->hPen ); GDI_dec_ref_count( dc->hBrush ); GDI_dec_ref_count( dc->hFont ); if (dc->hBitmap) GDI_dec_ref_count( dc->hBitmap ); free_gdi_handle( dc->hSelf ); free_dc_state( dc ); } /*********************************************************************** * get_dc_ptr * * Retrieve a DC pointer but release the GDI lock. */ DC *get_dc_ptr( HDC hdc ) { DC *dc = get_dc_obj( hdc ); if (!dc) return NULL; if (!InterlockedCompareExchange( &dc->refcount, 1, 0 )) { dc->thread = GetCurrentThreadId(); } else if (dc->thread != GetCurrentThreadId()) { WARN( "dc %p belongs to thread %04x\n", hdc, dc->thread ); GDI_ReleaseObj( hdc ); return NULL; } else InterlockedIncrement( &dc->refcount ); GDI_ReleaseObj( hdc ); return dc; } /*********************************************************************** * release_dc_ptr */ void release_dc_ptr( DC *dc ) { LONG ref; dc->thread = 0; ref = InterlockedDecrement( &dc->refcount ); assert( ref >= 0 ); if (ref) dc->thread = GetCurrentThreadId(); /* we still own it */ } /*********************************************************************** * update_dc * * Make sure the DC vis region is up to date. * This function may call up to USER so the GDI lock should _not_ * be held when calling it. */ void update_dc( DC *dc ) { if (InterlockedExchange( &dc->dirty, 0 ) && dc->hookProc) dc->hookProc( dc->hSelf, DCHC_INVALIDVISRGN, dc->dwHookData, 0 ); } /*********************************************************************** * DC_DeleteObject */ static BOOL DC_DeleteObject( HGDIOBJ handle ) { return DeleteDC( handle ); } /*********************************************************************** * DC_InitDC * * Setup device-specific DC values for a newly created DC. */ void DC_InitDC( DC* dc ) { PHYSDEV physdev = GET_DC_PHYSDEV( dc, pRealizeDefaultPalette ); physdev->funcs->pRealizeDefaultPalette( physdev ); SetTextColor( dc->hSelf, dc->textColor ); SetBkColor( dc->hSelf, dc->backgroundColor ); SelectObject( dc->hSelf, dc->hPen ); SelectObject( dc->hSelf, dc->hBrush ); SelectObject( dc->hSelf, dc->hFont ); update_dc_clipping( dc ); SetVirtualResolution( dc->hSelf, 0, 0, 0, 0 ); physdev = GET_DC_PHYSDEV( dc, pSetBoundsRect ); physdev->funcs->pSetBoundsRect( physdev, &dc->bounds, dc->bounds_enabled ? DCB_ENABLE : DCB_DISABLE ); } /*********************************************************************** * 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 ) { double 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; } /* Construct a transformation to do the window-to-viewport conversion */ static void construct_window_to_viewport(DC *dc, XFORM *xform) { double scaleX, scaleY; scaleX = (double)dc->vportExtX / (double)dc->wndExtX; scaleY = (double)dc->vportExtY / (double)dc->wndExtY; if (dc->layout & LAYOUT_RTL) scaleX = -scaleX; xform->eM11 = scaleX; xform->eM12 = 0.0; xform->eM21 = 0.0; xform->eM22 = scaleY; xform->eDx = (double)dc->vportOrgX - scaleX * (double)dc->wndOrgX; xform->eDy = (double)dc->vportOrgY - scaleY * (double)dc->wndOrgY; if (dc->layout & LAYOUT_RTL) xform->eDx = dc->vis_rect.right - dc->vis_rect.left - 1 - xform->eDx; } /*********************************************************************** * 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, oldworld2vport; construct_window_to_viewport(dc, &xformWnd2Vport); oldworld2vport = dc->xformWorld2Vport; /* Combine with the world transformation */ CombineTransform( &dc->xformWorld2Vport, &dc->xformWorld2Wnd, &xformWnd2Vport ); /* Create inverse of world-to-viewport transformation */ dc->vport2WorldValid = DC_InvertXform( &dc->xformWorld2Vport, &dc->xformVport2World ); /* Reselect the font and pen back into the dc so that the size gets updated. */ if (memcmp(&oldworld2vport, &dc->xformWorld2Vport, sizeof(oldworld2vport)) && !GdiIsMetaFileDC(dc->hSelf)) { SelectObject(dc->hSelf, GetCurrentObject(dc->hSelf, OBJ_FONT)); SelectObject(dc->hSelf, GetCurrentObject(dc->hSelf, OBJ_PEN)); } } /*********************************************************************** * nulldrv_SaveDC */ INT nulldrv_SaveDC( PHYSDEV dev ) { DC *newdc, *dc = get_nulldrv_dc( dev ); if (!(newdc = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*newdc )))) return 0; newdc->layout = dc->layout; newdc->hPen = dc->hPen; newdc->hBrush = dc->hBrush; newdc->hFont = dc->hFont; newdc->hBitmap = dc->hBitmap; newdc->hPalette = dc->hPalette; newdc->ROPmode = dc->ROPmode; newdc->polyFillMode = dc->polyFillMode; newdc->stretchBltMode = dc->stretchBltMode; newdc->relAbsMode = dc->relAbsMode; newdc->backgroundMode = dc->backgroundMode; newdc->backgroundColor = dc->backgroundColor; newdc->textColor = dc->textColor; newdc->dcBrushColor = dc->dcBrushColor; newdc->dcPenColor = dc->dcPenColor; newdc->brushOrgX = dc->brushOrgX; newdc->brushOrgY = dc->brushOrgY; newdc->mapperFlags = dc->mapperFlags; newdc->textAlign = dc->textAlign; newdc->charExtra = dc->charExtra; newdc->breakExtra = dc->breakExtra; newdc->breakRem = dc->breakRem; newdc->MapMode = dc->MapMode; newdc->GraphicsMode = dc->GraphicsMode; newdc->CursPosX = dc->CursPosX; newdc->CursPosY = dc->CursPosY; newdc->ArcDirection = dc->ArcDirection; newdc->xformWorld2Wnd = dc->xformWorld2Wnd; newdc->xformWorld2Vport = dc->xformWorld2Vport; newdc->xformVport2World = dc->xformVport2World; newdc->vport2WorldValid = dc->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->virtual_res = dc->virtual_res; newdc->virtual_size = dc->virtual_size; /* Get/SetDCState() don't change hVisRgn field ("Undoc. Windows" p.559). */ if (dc->hClipRgn) { newdc->hClipRgn = CreateRectRgn( 0, 0, 0, 0 ); CombineRgn( newdc->hClipRgn, dc->hClipRgn, 0, RGN_COPY ); } if (dc->hMetaRgn) { newdc->hMetaRgn = CreateRectRgn( 0, 0, 0, 0 ); CombineRgn( newdc->hMetaRgn, dc->hMetaRgn, 0, RGN_COPY ); } if (!PATH_SavePath( newdc, dc )) { release_dc_ptr( dc ); free_dc_state( newdc ); return 0; } newdc->saved_dc = dc->saved_dc; dc->saved_dc = newdc; return ++dc->saveLevel; } /*********************************************************************** * nulldrv_RestoreDC */ BOOL nulldrv_RestoreDC( PHYSDEV dev, INT level ) { DC *dcs, *first_dcs, *dc = get_nulldrv_dc( dev ); INT save_level; /* find the state level to restore */ if (abs(level) > dc->saveLevel || level == 0) return FALSE; if (level < 0) level = dc->saveLevel + level + 1; first_dcs = dc->saved_dc; for (dcs = first_dcs, save_level = dc->saveLevel; save_level > level; save_level--) dcs = dcs->saved_dc; /* restore the state */ if (!PATH_RestorePath( dc, dcs )) return FALSE; dc->layout = dcs->layout; dc->ROPmode = dcs->ROPmode; dc->polyFillMode = dcs->polyFillMode; dc->stretchBltMode = dcs->stretchBltMode; dc->relAbsMode = dcs->relAbsMode; dc->backgroundMode = dcs->backgroundMode; dc->backgroundColor = dcs->backgroundColor; dc->textColor = dcs->textColor; dc->dcBrushColor = dcs->dcBrushColor; dc->dcPenColor = dcs->dcPenColor; dc->brushOrgX = dcs->brushOrgX; dc->brushOrgY = dcs->brushOrgY; dc->mapperFlags = dcs->mapperFlags; dc->textAlign = dcs->textAlign; dc->charExtra = dcs->charExtra; dc->breakExtra = dcs->breakExtra; dc->breakRem = dcs->breakRem; dc->MapMode = dcs->MapMode; dc->GraphicsMode = dcs->GraphicsMode; dc->CursPosX = dcs->CursPosX; dc->CursPosY = dcs->CursPosY; dc->ArcDirection = dcs->ArcDirection; dc->xformWorld2Wnd = dcs->xformWorld2Wnd; dc->xformWorld2Vport = dcs->xformWorld2Vport; dc->xformVport2World = dcs->xformVport2World; dc->vport2WorldValid = dcs->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; dc->virtual_res = dcs->virtual_res; dc->virtual_size = dcs->virtual_size; if (dcs->hClipRgn) { if (!dc->hClipRgn) dc->hClipRgn = CreateRectRgn( 0, 0, 0, 0 ); CombineRgn( dc->hClipRgn, dcs->hClipRgn, 0, RGN_COPY ); } else { if (dc->hClipRgn) DeleteObject( dc->hClipRgn ); dc->hClipRgn = 0; } if (dcs->hMetaRgn) { if (!dc->hMetaRgn) dc->hMetaRgn = CreateRectRgn( 0, 0, 0, 0 ); CombineRgn( dc->hMetaRgn, dcs->hMetaRgn, 0, RGN_COPY ); } else { if (dc->hMetaRgn) DeleteObject( dc->hMetaRgn ); dc->hMetaRgn = 0; } DC_UpdateXforms( dc ); update_dc_clipping( dc ); SelectObject( dev->hdc, dcs->hBitmap ); SelectObject( dev->hdc, dcs->hBrush ); SelectObject( dev->hdc, dcs->hFont ); SelectObject( dev->hdc, dcs->hPen ); SetBkColor( dev->hdc, dcs->backgroundColor); SetTextColor( dev->hdc, dcs->textColor); GDISelectPalette( dev->hdc, dcs->hPalette, FALSE ); dc->saved_dc = dcs->saved_dc; dcs->saved_dc = 0; dc->saveLevel = save_level - 1; /* now destroy all the saved DCs */ while (first_dcs) { DC *next = first_dcs->saved_dc; free_dc_state( first_dcs ); first_dcs = next; } return TRUE; } /*********************************************************************** * reset_dc_state */ static BOOL reset_dc_state( HDC hdc ) { DC *dc, *dcs, *next; if (!(dc = get_dc_ptr( hdc ))) return FALSE; set_initial_dc_state( dc ); SetBkColor( hdc, RGB( 255, 255, 255 )); SetTextColor( hdc, RGB( 0, 0, 0 )); SelectObject( hdc, GetStockObject( WHITE_BRUSH )); SelectObject( hdc, GetStockObject( SYSTEM_FONT )); SelectObject( hdc, GetStockObject( BLACK_PEN )); SetVirtualResolution( hdc, 0, 0, 0, 0 ); GDISelectPalette( hdc, GetStockObject( DEFAULT_PALETTE ), FALSE ); SetBoundsRect( hdc, NULL, DCB_DISABLE ); AbortPath( hdc ); if (dc->hClipRgn) DeleteObject( dc->hClipRgn ); if (dc->hMetaRgn) DeleteObject( dc->hMetaRgn ); dc->hClipRgn = 0; dc->hMetaRgn = 0; update_dc_clipping( dc ); for (dcs = dc->saved_dc; dcs; dcs = next) { next = dcs->saved_dc; free_dc_state( dcs ); } dc->saved_dc = NULL; dc->saveLevel = 0; release_dc_ptr( dc ); return TRUE; } /*********************************************************************** * SaveDC (GDI32.@) */ INT WINAPI SaveDC( HDC hdc ) { DC * dc; INT ret = 0; if ((dc = get_dc_ptr( hdc ))) { PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSaveDC ); ret = physdev->funcs->pSaveDC( physdev ); release_dc_ptr( dc ); } return ret; } /*********************************************************************** * RestoreDC (GDI32.@) */ BOOL WINAPI RestoreDC( HDC hdc, INT level ) { PHYSDEV physdev; DC *dc; BOOL success = FALSE; TRACE("%p %d\n", hdc, level ); if ((dc = get_dc_ptr( hdc ))) { update_dc( dc ); physdev = GET_DC_PHYSDEV( dc, pRestoreDC ); success = physdev->funcs->pRestoreDC( physdev, level ); release_dc_ptr( dc ); } return success; } /*********************************************************************** * CreateDCW (GDI32.@) */ HDC WINAPI CreateDCW( LPCWSTR driver, LPCWSTR device, LPCWSTR output, const DEVMODEW *initData ) { HDC hdc; DC * dc; const struct gdi_dc_funcs *funcs; WCHAR buf[300]; GDI_CheckNotLock(); if (!device || !DRIVER_GetDriverName( device, buf, 300 )) { if (!driver) { ERR( "no device found for %s\n", debugstr_w(device) ); return 0; } strcpyW(buf, driver); } if (!(funcs = DRIVER_load_driver( buf ))) { ERR( "no driver found for %s\n", debugstr_w(buf) ); return 0; } if (!(dc = alloc_dc_ptr( OBJ_DC ))) return 0; hdc = dc->hSelf; dc->hBitmap = GDI_inc_ref_count( GetStockObject( DEFAULT_BITMAP )); TRACE("(driver=%s, device=%s, output=%s): returning %p\n", debugstr_w(driver), debugstr_w(device), debugstr_w(output), dc->hSelf ); if (funcs->pCreateDC) { if (!funcs->pCreateDC( &dc->physDev, buf, device, output, initData )) { WARN("creation aborted by device\n" ); free_dc_ptr( dc ); return 0; } } dc->vis_rect.left = 0; dc->vis_rect.top = 0; dc->vis_rect.right = GetDeviceCaps( hdc, DESKTOPHORZRES ); dc->vis_rect.bottom = GetDeviceCaps( hdc, DESKTOPVERTRES ); DC_InitDC( dc ); release_dc_ptr( dc ); return hdc; } /*********************************************************************** * CreateDCA (GDI32.@) */ HDC WINAPI CreateDCA( LPCSTR driver, LPCSTR device, LPCSTR output, const DEVMODEA *initData ) { UNICODE_STRING driverW, deviceW, outputW; DEVMODEW *initDataW; HDC ret; if (driver) RtlCreateUnicodeStringFromAsciiz(&driverW, driver); else driverW.Buffer = NULL; if (device) RtlCreateUnicodeStringFromAsciiz(&deviceW, device); else deviceW.Buffer = NULL; if (output) RtlCreateUnicodeStringFromAsciiz(&outputW, output); else outputW.Buffer = NULL; initDataW = NULL; if (initData) { /* don't convert initData for DISPLAY driver, it's not used */ if (!driverW.Buffer || strcmpiW( driverW.Buffer, displayW )) initDataW = GdiConvertToDevmodeW(initData); } ret = CreateDCW( driverW.Buffer, deviceW.Buffer, outputW.Buffer, initDataW ); RtlFreeUnicodeString(&driverW); RtlFreeUnicodeString(&deviceW); RtlFreeUnicodeString(&outputW); HeapFree(GetProcessHeap(), 0, initDataW); return ret; } /*********************************************************************** * CreateICA (GDI32.@) */ HDC WINAPI CreateICA( LPCSTR driver, LPCSTR device, LPCSTR output, const DEVMODEA* initData ) { /* Nothing special yet for ICs */ return CreateDCA( driver, device, output, initData ); } /*********************************************************************** * CreateICW (GDI32.@) */ HDC WINAPI CreateICW( LPCWSTR driver, LPCWSTR device, LPCWSTR output, const DEVMODEW* initData ) { /* Nothing special yet for ICs */ return CreateDCW( driver, device, output, initData ); } /*********************************************************************** * CreateCompatibleDC (GDI32.@) */ HDC WINAPI CreateCompatibleDC( HDC hdc ) { DC *dc, *origDC; HDC ret; const struct gdi_dc_funcs *funcs; PHYSDEV physDev = NULL; GDI_CheckNotLock(); if (hdc) { if (!(origDC = get_dc_ptr( hdc ))) return 0; physDev = GET_DC_PHYSDEV( origDC, pCreateCompatibleDC ); funcs = physDev->funcs; release_dc_ptr( origDC ); } else funcs = DRIVER_load_driver( displayW ); if (!(dc = alloc_dc_ptr( OBJ_MEMDC ))) return 0; TRACE("(%p): returning %p\n", hdc, dc->hSelf ); dc->hBitmap = GDI_inc_ref_count( GetStockObject( DEFAULT_BITMAP )); dc->vis_rect.left = 0; dc->vis_rect.top = 0; dc->vis_rect.right = 1; dc->vis_rect.bottom = 1; dc->device_rect = dc->vis_rect; ret = dc->hSelf; if (funcs->pCreateCompatibleDC && !funcs->pCreateCompatibleDC( physDev, &dc->physDev )) { WARN("creation aborted by device\n"); free_dc_ptr( dc ); return 0; } if (!dib_driver.pCreateDC( &dc->physDev, NULL, NULL, NULL, NULL )) { free_dc_ptr( dc ); return 0; } physDev = GET_DC_PHYSDEV( dc, pSelectBitmap ); physDev->funcs->pSelectBitmap( physDev, dc->hBitmap ); DC_InitDC( dc ); release_dc_ptr( dc ); return ret; } /*********************************************************************** * DeleteDC (GDI32.@) */ BOOL WINAPI DeleteDC( HDC hdc ) { DC * dc; TRACE("%p\n", hdc ); GDI_CheckNotLock(); if (!(dc = get_dc_ptr( hdc ))) return FALSE; if (dc->refcount != 1) { FIXME( "not deleting busy DC %p refcount %u\n", dc->hSelf, dc->refcount ); release_dc_ptr( dc ); return FALSE; } /* Call hook procedure to check whether is it OK to delete this DC */ if (dc->hookProc && !dc->hookProc( dc->hSelf, DCHC_DELETEDC, dc->dwHookData, 0 )) { release_dc_ptr( dc ); return TRUE; } reset_dc_state( hdc ); free_dc_ptr( dc ); return TRUE; } /*********************************************************************** * ResetDCW (GDI32.@) */ HDC WINAPI ResetDCW( HDC hdc, const DEVMODEW *devmode ) { DC *dc; HDC ret = 0; if ((dc = get_dc_ptr( hdc ))) { PHYSDEV physdev = GET_DC_PHYSDEV( dc, pResetDC ); ret = physdev->funcs->pResetDC( physdev, devmode ); if (ret) /* reset the visible region */ { dc->dirty = 0; dc->vis_rect.left = 0; dc->vis_rect.top = 0; dc->vis_rect.right = GetDeviceCaps( hdc, DESKTOPHORZRES ); dc->vis_rect.bottom = GetDeviceCaps( hdc, DESKTOPVERTRES ); if (dc->hVisRgn) DeleteObject( dc->hVisRgn ); dc->hVisRgn = 0; update_dc_clipping( dc ); } release_dc_ptr( dc ); } return ret; } /*********************************************************************** * ResetDCA (GDI32.@) */ HDC WINAPI ResetDCA( HDC hdc, const DEVMODEA *devmode ) { DEVMODEW *devmodeW; HDC ret; if (devmode) devmodeW = GdiConvertToDevmodeW(devmode); else devmodeW = NULL; ret = ResetDCW(hdc, devmodeW); HeapFree(GetProcessHeap(), 0, devmodeW); return ret; } /*********************************************************************** * GetDeviceCaps (GDI32.@) */ INT WINAPI GetDeviceCaps( HDC hdc, INT cap ) { DC *dc; INT ret = 0; if ((dc = get_dc_ptr( hdc ))) { PHYSDEV physdev = GET_DC_PHYSDEV( dc, pGetDeviceCaps ); ret = physdev->funcs->pGetDeviceCaps( physdev, cap ); release_dc_ptr( dc ); } return ret; } /*********************************************************************** * GetBkColor (GDI32.@) */ COLORREF WINAPI GetBkColor( HDC hdc ) { COLORREF ret = 0; DC * dc = get_dc_ptr( hdc ); if (dc) { ret = dc->backgroundColor; release_dc_ptr( dc ); } return ret; } /*********************************************************************** * SetBkColor (GDI32.@) */ COLORREF WINAPI SetBkColor( HDC hdc, COLORREF color ) { COLORREF ret = CLR_INVALID; DC * dc = get_dc_ptr( hdc ); TRACE("hdc=%p color=0x%08x\n", hdc, color); if (dc) { PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetBkColor ); ret = dc->backgroundColor; dc->backgroundColor = physdev->funcs->pSetBkColor( physdev, color ); release_dc_ptr( dc ); } return ret; } /*********************************************************************** * GetTextColor (GDI32.@) */ COLORREF WINAPI GetTextColor( HDC hdc ) { COLORREF ret = 0; DC * dc = get_dc_ptr( hdc ); if (dc) { ret = dc->textColor; release_dc_ptr( dc ); } return ret; } /*********************************************************************** * SetTextColor (GDI32.@) */ COLORREF WINAPI SetTextColor( HDC hdc, COLORREF color ) { COLORREF ret = CLR_INVALID; DC * dc = get_dc_ptr( hdc ); TRACE(" hdc=%p color=0x%08x\n", hdc, color); if (dc) { PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetTextColor ); ret = dc->textColor; dc->textColor = physdev->funcs->pSetTextColor( physdev, color ); release_dc_ptr( dc ); } return ret; } /*********************************************************************** * GetTextAlign (GDI32.@) */ UINT WINAPI GetTextAlign( HDC hdc ) { UINT ret = 0; DC * dc = get_dc_ptr( hdc ); if (dc) { ret = dc->textAlign; release_dc_ptr( dc ); } return ret; } /*********************************************************************** * SetTextAlign (GDI32.@) */ UINT WINAPI SetTextAlign( HDC hdc, UINT align ) { UINT ret = GDI_ERROR; DC *dc = get_dc_ptr( hdc ); TRACE("hdc=%p align=%d\n", hdc, align); if (dc) { PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetTextAlign ); align = physdev->funcs->pSetTextAlign( physdev, align ); if (align != GDI_ERROR) { ret = dc->textAlign; dc->textAlign = align; } release_dc_ptr( dc ); } return ret; } /*********************************************************************** * GetDCOrgEx (GDI32.@) */ BOOL WINAPI GetDCOrgEx( HDC hDC, LPPOINT lpp ) { DC * dc; if (!lpp) return FALSE; if (!(dc = get_dc_ptr( hDC ))) return FALSE; lpp->x = dc->vis_rect.left; lpp->y = dc->vis_rect.top; release_dc_ptr( dc ); return TRUE; } /*********************************************************************** * GetGraphicsMode (GDI32.@) */ INT WINAPI GetGraphicsMode( HDC hdc ) { INT ret = 0; DC * dc = get_dc_ptr( hdc ); if (dc) { ret = dc->GraphicsMode; release_dc_ptr( dc ); } return ret; } /*********************************************************************** * SetGraphicsMode (GDI32.@) */ INT WINAPI SetGraphicsMode( HDC hdc, INT mode ) { INT ret = 0; DC *dc = get_dc_ptr( hdc ); /* 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)) { ret = dc->GraphicsMode; dc->GraphicsMode = mode; } release_dc_ptr( dc ); /* font metrics depend on the graphics mode */ if (ret) SelectObject(dc->hSelf, GetCurrentObject(dc->hSelf, OBJ_FONT)); return ret; } /*********************************************************************** * GetArcDirection (GDI32.@) */ INT WINAPI GetArcDirection( HDC hdc ) { INT ret = 0; DC * dc = get_dc_ptr( hdc ); if (dc) { ret = dc->ArcDirection; release_dc_ptr( dc ); } return ret; } /*********************************************************************** * SetArcDirection (GDI32.@) */ INT WINAPI SetArcDirection( HDC hdc, INT dir ) { DC * dc; INT ret = 0; if (dir != AD_COUNTERCLOCKWISE && dir != AD_CLOCKWISE) { SetLastError(ERROR_INVALID_PARAMETER); return 0; } if ((dc = get_dc_ptr( hdc ))) { PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetArcDirection ); dir = physdev->funcs->pSetArcDirection( physdev, dir ); if (dir) { ret = dc->ArcDirection; dc->ArcDirection = dir; } release_dc_ptr( dc ); } return ret; } /*********************************************************************** * GetWorldTransform (GDI32.@) */ BOOL WINAPI GetWorldTransform( HDC hdc, LPXFORM xform ) { DC * dc; if (!xform) return FALSE; if (!(dc = get_dc_ptr( hdc ))) return FALSE; *xform = dc->xformWorld2Wnd; release_dc_ptr( dc ); return TRUE; } /*********************************************************************** * GetTransform (GDI32.@) * * Undocumented * * Returns one of the co-ordinate space transforms * * PARAMS * hdc [I] Device context. * which [I] Which xform to return: * 0x203 World -> Page transform (that set by SetWorldTransform). * 0x304 Page -> Device transform (the mapping mode transform). * 0x204 World -> Device transform (the combination of the above two). * 0x402 Device -> World transform (the inversion of the above). * xform [O] The xform. * */ BOOL WINAPI GetTransform( HDC hdc, DWORD which, XFORM *xform ) { BOOL ret = TRUE; DC *dc = get_dc_ptr( hdc ); if (!dc) return FALSE; switch(which) { case 0x203: *xform = dc->xformWorld2Wnd; break; case 0x304: construct_window_to_viewport(dc, xform); break; case 0x204: *xform = dc->xformWorld2Vport; break; case 0x402: *xform = dc->xformVport2World; break; default: FIXME("Unknown code %x\n", which); ret = FALSE; } release_dc_ptr( dc ); return ret; } /**************************************************************************** * CombineTransform [GDI32.@] * 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 * Success: TRUE. * Failure: FALSE. Use GetLastError() to determine the cause. */ 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 (GDI32.@) * * Note: this doesn't exist in Win32, we add it here because user32 needs it. */ BOOL WINAPI SetDCHook( HDC hdc, DCHOOKPROC hookProc, DWORD_PTR dwHookData ) { DC *dc = get_dc_ptr( hdc ); if (!dc) return FALSE; dc->dwHookData = dwHookData; dc->hookProc = hookProc; release_dc_ptr( dc ); return TRUE; } /*********************************************************************** * GetDCHook (GDI32.@) * * Note: this doesn't exist in Win32, we add it here because user32 needs it. */ DWORD_PTR WINAPI GetDCHook( HDC hdc, DCHOOKPROC *proc ) { DC *dc = get_dc_ptr( hdc ); DWORD_PTR ret; if (!dc) return 0; if (proc) *proc = dc->hookProc; ret = dc->dwHookData; release_dc_ptr( dc ); return ret; } /*********************************************************************** * SetHookFlags (GDI32.@) * * Note: this doesn't exist in Win32, we add it here because user32 needs it. */ WORD WINAPI SetHookFlags( HDC hdc, WORD flags ) { DC *dc = get_dc_obj( hdc ); /* not get_dc_ptr, this needs to work from any thread */ LONG ret = 0; if (!dc) return 0; TRACE("hDC %p, flags %04x\n",hdc,flags); if (flags & DCHF_INVALIDATEVISRGN) ret = InterlockedExchange( &dc->dirty, 1 ); else if (flags & DCHF_VALIDATEVISRGN || !flags) ret = InterlockedExchange( &dc->dirty, 0 ); GDI_ReleaseObj( hdc ); if (flags & DCHF_RESETDC) ret = reset_dc_state( hdc ); return ret; } /*********************************************************************** * SetICMMode (GDI32.@) */ INT WINAPI SetICMMode(HDC hdc, INT iEnableICM) { /*FIXME: Assume 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; } /*********************************************************************** * GetDeviceGammaRamp (GDI32.@) */ BOOL WINAPI GetDeviceGammaRamp(HDC hDC, LPVOID ptr) { BOOL ret = FALSE; DC *dc = get_dc_ptr( hDC ); TRACE("%p, %p\n", hDC, ptr); if( dc ) { if (GetObjectType( hDC ) != OBJ_MEMDC) { PHYSDEV physdev = GET_DC_PHYSDEV( dc, pGetDeviceGammaRamp ); ret = physdev->funcs->pGetDeviceGammaRamp( physdev, ptr ); } else SetLastError( ERROR_INVALID_PARAMETER ); release_dc_ptr( dc ); } return ret; } static BOOL check_gamma_ramps(void *ptr) { WORD *ramp = ptr; while (ramp < (WORD*)ptr + 3 * 256) { float r_x, r_y, r_lx, r_ly, r_d, r_v, r_e, g_avg, g_min, g_max; unsigned i, f, l, g_n, c; f = ramp[0]; l = ramp[255]; if (f >= l) { TRACE("inverted or flat gamma ramp (%d->%d), rejected\n", f, l); return FALSE; } r_d = l - f; g_min = g_max = g_avg = 0.0; /* check gamma ramp entries to estimate the gamma */ TRACE("analyzing gamma ramp (%d->%d)\n", f, l); for (i=1, g_n=0; i<255; i++) { if (ramp[i] < f || ramp[i] > l) { TRACE("strange gamma ramp ([%d]=%d for %d->%d), rejected\n", i, ramp[i], f, l); return FALSE; } c = ramp[i] - f; if (!c) continue; /* avoid log(0) */ /* normalize entry values into 0..1 range */ r_x = i/255.0; r_y = c / r_d; /* compute logarithms of values */ r_lx = log(r_x); r_ly = log(r_y); /* compute gamma for this entry */ r_v = r_ly / r_lx; /* compute differential (error estimate) for this entry */ /* some games use table-based logarithms that magnifies the error by 128 */ r_e = -r_lx * 128 / (c * r_lx * r_lx); /* compute min & max while compensating for estimated error */ if (!g_n || g_min > (r_v + r_e)) g_min = r_v + r_e; if (!g_n || g_max < (r_v - r_e)) g_max = r_v - r_e; /* add to average */ g_avg += r_v; g_n++; } if (!g_n) { TRACE("no gamma data, shouldn't happen\n"); return FALSE; } g_avg /= g_n; TRACE("low bias is %d, high is %d, gamma is %5.3f\n", f, 65535-l, g_avg); /* check that the gamma is reasonably uniform across the ramp */ if (g_max - g_min > 12.8) { TRACE("ramp not uniform (max=%f, min=%f, avg=%f), rejected\n", g_max, g_min, g_avg); return FALSE; } /* check that the gamma is not too bright */ if (g_avg < 0.2) { TRACE("too bright gamma ( %5.3f), rejected\n", g_avg); return FALSE; } ramp += 256; } return TRUE; } /*********************************************************************** * SetDeviceGammaRamp (GDI32.@) */ BOOL WINAPI SetDeviceGammaRamp(HDC hDC, LPVOID ptr) { BOOL ret = FALSE; DC *dc = get_dc_ptr( hDC ); TRACE("%p, %p\n", hDC, ptr); if( dc ) { if (GetObjectType( hDC ) != OBJ_MEMDC) { PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetDeviceGammaRamp ); if (check_gamma_ramps(ptr)) ret = physdev->funcs->pSetDeviceGammaRamp( physdev, ptr ); } else SetLastError( ERROR_INVALID_PARAMETER ); release_dc_ptr( dc ); } return ret; } /*********************************************************************** * GetColorSpace (GDI32.@) */ HCOLORSPACE WINAPI GetColorSpace(HDC hdc) { /*FIXME Need to do 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; } /*********************************************************************** * GetBoundsRect (GDI32.@) */ UINT WINAPI GetBoundsRect(HDC hdc, LPRECT rect, UINT flags) { PHYSDEV physdev; RECT device_rect; UINT ret; DC *dc = get_dc_ptr( hdc ); if ( !dc ) return 0; physdev = GET_DC_PHYSDEV( dc, pGetBoundsRect ); ret = physdev->funcs->pGetBoundsRect( physdev, &device_rect, DCB_RESET ); if (!ret) { release_dc_ptr( dc ); return 0; } if (dc->bounds_enabled && ret == DCB_SET) add_bounds_rect( &dc->bounds, &device_rect ); if (rect) { if (is_rect_empty( &dc->bounds )) { rect->left = rect->top = rect->right = rect->bottom = 0; ret = DCB_RESET; } else { *rect = dc->bounds; rect->left = max( rect->left, 0 ); rect->top = max( rect->top, 0 ); rect->right = min( rect->right, dc->vis_rect.right - dc->vis_rect.left ); rect->bottom = min( rect->bottom, dc->vis_rect.bottom - dc->vis_rect.top ); ret = DCB_SET; } DPtoLP( hdc, (POINT *)rect, 2 ); } else ret = 0; if (flags & DCB_RESET) reset_bounds( &dc->bounds ); release_dc_ptr( dc ); return ret; } /*********************************************************************** * SetBoundsRect (GDI32.@) */ UINT WINAPI SetBoundsRect(HDC hdc, const RECT* rect, UINT flags) { PHYSDEV physdev; UINT ret; DC *dc; if ((flags & DCB_ENABLE) && (flags & DCB_DISABLE)) return 0; if (!(dc = get_dc_ptr( hdc ))) return 0; physdev = GET_DC_PHYSDEV( dc, pSetBoundsRect ); ret = physdev->funcs->pSetBoundsRect( physdev, &dc->bounds, flags ); if (!ret) { release_dc_ptr( dc ); return 0; } ret = (dc->bounds_enabled ? DCB_ENABLE : DCB_DISABLE) | (is_rect_empty( &dc->bounds ) ? ret & DCB_SET : DCB_SET); if (flags & DCB_RESET) reset_bounds( &dc->bounds ); if ((flags & DCB_ACCUMULATE) && rect) { RECT rc = *rect; lp_to_dp( dc, (POINT *)&rc, 2 ); add_bounds_rect( &dc->bounds, &rc ); } if (flags & DCB_ENABLE) dc->bounds_enabled = TRUE; if (flags & DCB_DISABLE) dc->bounds_enabled = FALSE; release_dc_ptr( dc ); return ret; } /*********************************************************************** * GetRelAbs (GDI32.@) */ INT WINAPI GetRelAbs( HDC hdc, DWORD dwIgnore ) { INT ret = 0; DC *dc = get_dc_ptr( hdc ); if (dc) { ret = dc->relAbsMode; release_dc_ptr( dc ); } return ret; } /*********************************************************************** * GetBkMode (GDI32.@) */ INT WINAPI GetBkMode( HDC hdc ) { INT ret = 0; DC * dc = get_dc_ptr( hdc ); if (dc) { ret = dc->backgroundMode; release_dc_ptr( dc ); } return ret; } /*********************************************************************** * SetBkMode (GDI32.@) */ INT WINAPI SetBkMode( HDC hdc, INT mode ) { INT ret = 0; DC *dc; if ((mode <= 0) || (mode > BKMODE_LAST)) { SetLastError(ERROR_INVALID_PARAMETER); return 0; } if ((dc = get_dc_ptr( hdc ))) { PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetBkMode ); mode = physdev->funcs->pSetBkMode( physdev, mode ); if (mode) { ret = dc->backgroundMode; dc->backgroundMode = mode; } release_dc_ptr( dc ); } return ret; } /*********************************************************************** * GetROP2 (GDI32.@) */ INT WINAPI GetROP2( HDC hdc ) { INT ret = 0; DC * dc = get_dc_ptr( hdc ); if (dc) { ret = dc->ROPmode; release_dc_ptr( dc ); } return ret; } /*********************************************************************** * SetROP2 (GDI32.@) */ INT WINAPI SetROP2( HDC hdc, INT mode ) { INT ret = 0; DC *dc; if ((mode < R2_BLACK) || (mode > R2_WHITE)) { SetLastError(ERROR_INVALID_PARAMETER); return 0; } if ((dc = get_dc_ptr( hdc ))) { PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetROP2 ); mode = physdev->funcs->pSetROP2( physdev, mode ); if (mode) { ret = dc->ROPmode; dc->ROPmode = mode; } release_dc_ptr( dc ); } return ret; } /*********************************************************************** * SetRelAbs (GDI32.@) */ INT WINAPI SetRelAbs( HDC hdc, INT mode ) { INT ret = 0; DC *dc; if ((mode != ABSOLUTE) && (mode != RELATIVE)) { SetLastError(ERROR_INVALID_PARAMETER); return 0; } if ((dc = get_dc_ptr( hdc ))) { PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetRelAbs ); mode = physdev->funcs->pSetRelAbs( physdev, mode ); if (mode) { ret = dc->relAbsMode; dc->relAbsMode = mode; } release_dc_ptr( dc ); } return ret; } /*********************************************************************** * GetPolyFillMode (GDI32.@) */ INT WINAPI GetPolyFillMode( HDC hdc ) { INT ret = 0; DC * dc = get_dc_ptr( hdc ); if (dc) { ret = dc->polyFillMode; release_dc_ptr( dc ); } return ret; } /*********************************************************************** * SetPolyFillMode (GDI32.@) */ INT WINAPI SetPolyFillMode( HDC hdc, INT mode ) { INT ret = 0; DC *dc; if ((mode <= 0) || (mode > POLYFILL_LAST)) { SetLastError(ERROR_INVALID_PARAMETER); return 0; } if ((dc = get_dc_ptr( hdc ))) { PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetPolyFillMode ); mode = physdev->funcs->pSetPolyFillMode( physdev, mode ); if (mode) { ret = dc->polyFillMode; dc->polyFillMode = mode; } release_dc_ptr( dc ); } return ret; } /*********************************************************************** * GetStretchBltMode (GDI32.@) */ INT WINAPI GetStretchBltMode( HDC hdc ) { INT ret = 0; DC * dc = get_dc_ptr( hdc ); if (dc) { ret = dc->stretchBltMode; release_dc_ptr( dc ); } return ret; } /*********************************************************************** * SetStretchBltMode (GDI32.@) */ INT WINAPI SetStretchBltMode( HDC hdc, INT mode ) { INT ret = 0; DC *dc; if ((mode <= 0) || (mode > MAXSTRETCHBLTMODE)) { SetLastError(ERROR_INVALID_PARAMETER); return 0; } if ((dc = get_dc_ptr( hdc ))) { PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetStretchBltMode ); mode = physdev->funcs->pSetStretchBltMode( physdev, mode ); if (mode) { ret = dc->stretchBltMode; dc->stretchBltMode = mode; } release_dc_ptr( dc ); } return ret; } /*********************************************************************** * GetMapMode (GDI32.@) */ INT WINAPI GetMapMode( HDC hdc ) { INT ret = 0; DC * dc = get_dc_ptr( hdc ); if (dc) { ret = dc->MapMode; release_dc_ptr( dc ); } return ret; } /*********************************************************************** * GetBrushOrgEx (GDI32.@) */ BOOL WINAPI GetBrushOrgEx( HDC hdc, LPPOINT pt ) { DC * dc = get_dc_ptr( hdc ); if (!dc) return FALSE; pt->x = dc->brushOrgX; pt->y = dc->brushOrgY; release_dc_ptr( dc ); return TRUE; } /*********************************************************************** * GetCurrentPositionEx (GDI32.@) */ BOOL WINAPI GetCurrentPositionEx( HDC hdc, LPPOINT pt ) { DC * dc = get_dc_ptr( hdc ); if (!dc) return FALSE; pt->x = dc->CursPosX; pt->y = dc->CursPosY; release_dc_ptr( dc ); return TRUE; } /*********************************************************************** * GetViewportExtEx (GDI32.@) */ BOOL WINAPI GetViewportExtEx( HDC hdc, LPSIZE size ) { DC * dc = get_dc_ptr( hdc ); if (!dc) return FALSE; size->cx = dc->vportExtX; size->cy = dc->vportExtY; release_dc_ptr( dc ); return TRUE; } /*********************************************************************** * GetViewportOrgEx (GDI32.@) */ BOOL WINAPI GetViewportOrgEx( HDC hdc, LPPOINT pt ) { DC * dc = get_dc_ptr( hdc ); if (!dc) return FALSE; pt->x = dc->vportOrgX; pt->y = dc->vportOrgY; release_dc_ptr( dc ); return TRUE; } /*********************************************************************** * GetWindowExtEx (GDI32.@) */ BOOL WINAPI GetWindowExtEx( HDC hdc, LPSIZE size ) { DC * dc = get_dc_ptr( hdc ); if (!dc) return FALSE; size->cx = dc->wndExtX; size->cy = dc->wndExtY; release_dc_ptr( dc ); return TRUE; } /*********************************************************************** * GetWindowOrgEx (GDI32.@) */ BOOL WINAPI GetWindowOrgEx( HDC hdc, LPPOINT pt ) { DC * dc = get_dc_ptr( hdc ); if (!dc) return FALSE; pt->x = dc->wndOrgX; pt->y = dc->wndOrgY; release_dc_ptr( dc ); return TRUE; } /*********************************************************************** * GetLayout (GDI32.@) * * Gets left->right or right->left text layout flags of a dc. * */ DWORD WINAPI GetLayout(HDC hdc) { DWORD layout = GDI_ERROR; DC * dc = get_dc_ptr( hdc ); if (dc) { layout = dc->layout; release_dc_ptr( dc ); } TRACE("hdc : %p, layout : %08x\n", hdc, layout); return layout; } /*********************************************************************** * SetLayout (GDI32.@) * * Sets left->right or right->left text layout flags of a dc. * */ DWORD WINAPI SetLayout(HDC hdc, DWORD layout) { DWORD oldlayout = GDI_ERROR; DC * dc = get_dc_ptr( hdc ); if (dc) { PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetLayout ); layout = physdev->funcs->pSetLayout( physdev, layout ); if (layout != GDI_ERROR) { oldlayout = dc->layout; dc->layout = layout; if (layout != oldlayout) { if (layout & LAYOUT_RTL) dc->MapMode = MM_ANISOTROPIC; DC_UpdateXforms( dc ); } } release_dc_ptr( dc ); } TRACE("hdc : %p, old layout : %08x, new layout : %08x\n", hdc, oldlayout, layout); return oldlayout; } /*********************************************************************** * GetDCBrushColor (GDI32.@) */ COLORREF WINAPI GetDCBrushColor(HDC hdc) { DC *dc; COLORREF dcBrushColor = CLR_INVALID; TRACE("hdc(%p)\n", hdc); dc = get_dc_ptr( hdc ); if (dc) { dcBrushColor = dc->dcBrushColor; release_dc_ptr( dc ); } return dcBrushColor; } /*********************************************************************** * SetDCBrushColor (GDI32.@) */ COLORREF WINAPI SetDCBrushColor(HDC hdc, COLORREF crColor) { DC *dc; COLORREF oldClr = CLR_INVALID; TRACE("hdc(%p) crColor(%08x)\n", hdc, crColor); dc = get_dc_ptr( hdc ); if (dc) { PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetDCBrushColor ); crColor = physdev->funcs->pSetDCBrushColor( physdev, crColor ); if (crColor != CLR_INVALID) { oldClr = dc->dcBrushColor; dc->dcBrushColor = crColor; } release_dc_ptr( dc ); } return oldClr; } /*********************************************************************** * GetDCPenColor (GDI32.@) */ COLORREF WINAPI GetDCPenColor(HDC hdc) { DC *dc; COLORREF dcPenColor = CLR_INVALID; TRACE("hdc(%p)\n", hdc); dc = get_dc_ptr( hdc ); if (dc) { dcPenColor = dc->dcPenColor; release_dc_ptr( dc ); } return dcPenColor; } /*********************************************************************** * SetDCPenColor (GDI32.@) */ COLORREF WINAPI SetDCPenColor(HDC hdc, COLORREF crColor) { DC *dc; COLORREF oldClr = CLR_INVALID; TRACE("hdc(%p) crColor(%08x)\n", hdc, crColor); dc = get_dc_ptr( hdc ); if (dc) { PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetDCPenColor ); crColor = physdev->funcs->pSetDCPenColor( physdev, crColor ); if (crColor != CLR_INVALID) { oldClr = dc->dcPenColor; dc->dcPenColor = crColor; } release_dc_ptr( dc ); } return oldClr; } /*********************************************************************** * CancelDC (GDI32.@) */ BOOL WINAPI CancelDC(HDC hdc) { FIXME("stub\n"); return TRUE; } /******************************************************************* * GetMiterLimit [GDI32.@] * * */ BOOL WINAPI GetMiterLimit(HDC hdc, PFLOAT peLimit) { BOOL bRet = FALSE; DC *dc; TRACE("(%p,%p)\n", hdc, peLimit); dc = get_dc_ptr( hdc ); if (dc) { if (peLimit) *peLimit = dc->miterLimit; release_dc_ptr( dc ); bRet = TRUE; } return bRet; } /******************************************************************* * SetMiterLimit [GDI32.@] * * */ BOOL WINAPI SetMiterLimit(HDC hdc, FLOAT eNewLimit, PFLOAT peOldLimit) { BOOL bRet = FALSE; DC *dc; TRACE("(%p,%f,%p)\n", hdc, eNewLimit, peOldLimit); dc = get_dc_ptr( hdc ); if (dc) { if (peOldLimit) *peOldLimit = dc->miterLimit; dc->miterLimit = eNewLimit; release_dc_ptr( dc ); bRet = TRUE; } return bRet; } /******************************************************************* * GdiIsMetaPrintDC [GDI32.@] */ BOOL WINAPI GdiIsMetaPrintDC(HDC hdc) { FIXME("%p\n", hdc); return FALSE; } /******************************************************************* * GdiIsMetaFileDC [GDI32.@] */ BOOL WINAPI GdiIsMetaFileDC(HDC hdc) { TRACE("%p\n", hdc); switch( GetObjectType( hdc ) ) { case OBJ_METADC: case OBJ_ENHMETADC: return TRUE; } return FALSE; } /******************************************************************* * GdiIsPlayMetafileDC [GDI32.@] */ BOOL WINAPI GdiIsPlayMetafileDC(HDC hdc) { FIXME("%p\n", hdc); return FALSE; }