/* * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include "config.h" #include <stdlib.h> #include <string.h> #include "gdi.h" #include "heap.h" #include "wine/debug.h" #include "font.h" #include "winerror.h" #include "windef.h" #include "wingdi.h" #include "wine/winuser16.h" WINE_DEFAULT_DEBUG_CHANNEL(dc); /* ### start build ### */ extern WORD CALLBACK GDI_CallTo16_word_wwll(FARPROC16,WORD,WORD,LONG,LONG); /* ### stop build ### */ static BOOL DC_DeleteObject( HGDIOBJ handle, void *obj ); static const struct gdi_obj_funcs dc_funcs = { NULL, /* pSelectObject */ NULL, /* pGetObject16 */ NULL, /* pGetObjectA */ NULL, /* pGetObjectW */ NULL, /* pUnrealizeObject */ DC_DeleteObject /* pDeleteObject */ }; /*********************************************************************** * DC_AllocDC */ DC *DC_AllocDC( const DC_FUNCTIONS *funcs ) { HDC hdc; DC *dc; if (!(dc = GDI_AllocObject( sizeof(*dc), DC_MAGIC, &hdc, &dc_funcs ))) return NULL; dc->hSelf = hdc; dc->funcs = funcs; dc->physDev = NULL; dc->saveLevel = 0; dc->dwHookData = 0; 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->flags = 0; dc->hClipRgn = 0; dc->hVisRgn = 0; dc->hGCClipRgn = 0; dc->hPen = GetStockObject( BLACK_PEN ); dc->hBrush = GetStockObject( WHITE_BRUSH ); dc->hFont = GetStockObject( SYSTEM_FONT ); dc->hBitmap = 0; dc->hDevice = 0; dc->hPalette = GetStockObject( DEFAULT_PALETTE ); dc->gdiFont = 0; dc->ROPmode = R2_COPYPEN; dc->polyFillMode = ALTERNATE; dc->stretchBltMode = BLACKONWHITE; dc->relAbsMode = ABSOLUTE; dc->backgroundMode = OPAQUE; dc->backgroundColor = RGB( 255, 255, 255 ); dc->textColor = RGB( 0, 0, 0 ); dc->brushOrgX = 0; dc->brushOrgY = 0; dc->textAlign = TA_LEFT | TA_TOP | TA_NOUPDATECP; dc->charExtra = 0; dc->breakTotalExtra = 0; dc->breakCount = 0; dc->breakExtra = 0; dc->breakRem = 0; dc->totalExtent.left = 0; dc->totalExtent.top = 0; dc->totalExtent.right = 0; dc->totalExtent.bottom = 0; dc->bitsPerPixel = 1; dc->MapMode = MM_TEXT; dc->GraphicsMode = GM_COMPATIBLE; dc->pAbortProc = NULL; 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; PATH_InitGdiPath(&dc->path); return dc; } /*********************************************************************** * DC_GetDCPtr */ DC *DC_GetDCPtr( HDC hdc ) { GDIOBJHDR *ptr = GDI_GetObjPtr( hdc, MAGIC_DONTCARE ); if (!ptr) return NULL; if ((GDIMAGIC(ptr->wMagic) == DC_MAGIC) || (GDIMAGIC(ptr->wMagic) == METAFILE_DC_MAGIC) || (GDIMAGIC(ptr->wMagic) == ENHMETAFILE_DC_MAGIC)) return (DC *)ptr; GDI_ReleaseObj( hdc ); SetLastError( ERROR_INVALID_HANDLE ); return NULL; } /*********************************************************************** * DC_GetDCUpdate * * Retrieve a DC ptr while making sure the visRgn is updated. * This function may call up to USER so the GDI lock should _not_ * be held when calling it. */ DC *DC_GetDCUpdate( HDC hdc ) { DC *dc = DC_GetDCPtr( hdc ); if (!dc) return NULL; while (dc->flags & DC_DIRTY) { dc->flags &= ~DC_DIRTY; if (!(dc->flags & (DC_SAVED | DC_MEMORY))) { DCHOOKPROC proc = dc->hookThunk; if (proc) { DWORD data = dc->dwHookData; GDI_ReleaseObj( hdc ); proc( hdc, DCHC_INVALIDVISRGN, data, 0 ); if (!(dc = DC_GetDCPtr( hdc ))) break; /* otherwise restart the loop in case it became dirty again in the meantime */ } } } return dc; } /*********************************************************************** * DC_DeleteObject */ static BOOL DC_DeleteObject( HGDIOBJ handle, void *obj ) { GDI_ReleaseObj( handle ); return DeleteDC( handle ); } /*********************************************************************** * DC_InitDC * * Setup device-specific DC values for a newly created DC. */ void DC_InitDC( DC* dc ) { RealizeDefaultPalette16( dc->hSelf ); 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 ); 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->xformWorld2Vport, &dc->xformWorld2Wnd, &xformWnd2Vport ); /* Create inverse of world-to-viewport transformation */ dc->vport2WorldValid = DC_InvertXform( &dc->xformWorld2Vport, &dc->xformVport2World ); } /*********************************************************************** * GetDCState (GDI.179) */ HDC16 WINAPI GetDCState16( HDC16 hdc ) { DC * newdc, * dc; HGDIOBJ handle; if (!(dc = DC_GetDCPtr( hdc ))) return 0; if (!(newdc = GDI_AllocObject( sizeof(DC), DC_MAGIC, &handle, &dc_funcs ))) { GDI_ReleaseObj( hdc ); return 0; } TRACE("(%04x): returning %04x\n", hdc, handle ); newdc->flags = dc->flags | DC_SAVED; newdc->hPen = dc->hPen; newdc->hBrush = dc->hBrush; newdc->hFont = dc->hFont; newdc->hBitmap = dc->hBitmap; newdc->hDevice = dc->hDevice; newdc->hPalette = dc->hPalette; newdc->totalExtent = dc->totalExtent; newdc->bitsPerPixel = dc->bitsPerPixel; 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->brushOrgX = dc->brushOrgX; newdc->brushOrgY = dc->brushOrgY; newdc->textAlign = dc->textAlign; newdc->charExtra = dc->charExtra; newdc->breakTotalExtra = dc->breakTotalExtra; newdc->breakCount = dc->breakCount; 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->hSelf = (HDC)handle; newdc->saveLevel = 0; PATH_InitGdiPath( &newdc->path ); newdc->pAbortProc = NULL; newdc->hookThunk = NULL; newdc->hookProc = 0; /* Get/SetDCState() don't change hVisRgn field ("Undoc. Windows" p.559). */ newdc->hGCClipRgn = newdc->hVisRgn = 0; if (dc->hClipRgn) { newdc->hClipRgn = CreateRectRgn( 0, 0, 0, 0 ); CombineRgn( newdc->hClipRgn, dc->hClipRgn, 0, RGN_COPY ); } else newdc->hClipRgn = 0; if(dc->gdiFont) { newdc->gdiFont = dc->gdiFont; } else newdc->gdiFont = 0; GDI_ReleaseObj( handle ); GDI_ReleaseObj( hdc ); return handle; } /*********************************************************************** * SetDCState (GDI.180) */ void WINAPI SetDCState16( HDC16 hdc, HDC16 hdcs ) { DC *dc, *dcs; if (!(dc = DC_GetDCUpdate( hdc ))) return; if (!(dcs = DC_GetDCPtr( hdcs ))) { GDI_ReleaseObj( hdc ); return; } if (!dcs->flags & DC_SAVED) { GDI_ReleaseObj( hdc ); GDI_ReleaseObj( hdcs ); return; } TRACE("%04x %04x\n", hdc, hdcs ); dc->flags = dcs->flags & ~(DC_SAVED | DC_DIRTY); dc->hDevice = dcs->hDevice; dc->totalExtent = dcs->totalExtent; 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->brushOrgX = dcs->brushOrgX; dc->brushOrgY = dcs->brushOrgY; dc->textAlign = dcs->textAlign; dc->charExtra = dcs->charExtra; dc->breakTotalExtra = dcs->breakTotalExtra; dc->breakCount = dcs->breakCount; 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; if (!(dc->flags & DC_MEMORY)) dc->bitsPerPixel = dcs->bitsPerPixel; 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; } CLIPPING_UpdateGCRegion( dc ); SelectObject( hdc, dcs->hBitmap ); SelectObject( hdc, dcs->hBrush ); SelectObject( hdc, dcs->hFont ); SelectObject( hdc, dcs->hPen ); SetBkColor( hdc, dcs->backgroundColor); SetTextColor( hdc, dcs->textColor); GDISelectPalette( hdc, dcs->hPalette, FALSE ); GDI_ReleaseObj( hdcs ); GDI_ReleaseObj( hdc ); } /*********************************************************************** * SaveDC (GDI32.@) */ INT WINAPI SaveDC( HDC hdc ) { HDC hdcs; DC * dc, * dcs; INT ret; dc = DC_GetDCPtr( hdc ); if (!dc) return 0; if(dc->funcs->pSaveDC) { ret = dc->funcs->pSaveDC( dc->physDev ); GDI_ReleaseObj( hdc ); return ret; } if (!(hdcs = GetDCState16( hdc ))) { GDI_ReleaseObj( hdc ); return 0; } dcs = DC_GetDCPtr( 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->path, &dc->path )) { GDI_ReleaseObj( hdc ); GDI_ReleaseObj( 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_ReleaseObj( hdcs ); GDI_ReleaseObj( hdc ); return ret; } /*********************************************************************** * RestoreDC (GDI32.@) */ BOOL WINAPI RestoreDC( HDC hdc, INT level ) { DC * dc, * dcs; BOOL success; TRACE("%04x %d\n", hdc, level ); dc = DC_GetDCUpdate( hdc ); if(!dc) return FALSE; if(dc->funcs->pRestoreDC) { success = dc->funcs->pRestoreDC( dc->physDev, level ); GDI_ReleaseObj( hdc ); return success; } if (level == -1) level = dc->saveLevel; if ((level < 1) /* This pair of checks disagrees with MSDN "Platform SDK: Windows GDI" July 2000 which says all negative values for level will be interpreted as an instance relative to the current state. Restricting it to just -1 does not satisfy this */ || (level > dc->saveLevel)) { GDI_ReleaseObj( hdc ); return FALSE; } success=TRUE; while (dc->saveLevel >= level) { HDC16 hdcs = dc->header.hNext; if (!(dcs = DC_GetDCPtr( hdcs ))) { GDI_ReleaseObj( hdc ); return FALSE; } dc->header.hNext = dcs->header.hNext; if (--dc->saveLevel < level) { SetDCState16( hdc, hdcs ); if (!PATH_AssignGdiPath( &dc->path, &dcs->path )) /* FIXME: This might not be quite right, since we're * returning FALSE but still destroying the saved DC state */ success=FALSE; } GDI_ReleaseObj( hdcs ); GDI_ReleaseObj( hdc ); DeleteDC( hdcs ); if (!(dc = DC_GetDCPtr( hdc ))) return FALSE; } GDI_ReleaseObj( hdc ); return success; } /*********************************************************************** * CreateDCA (GDI32.@) */ HDC WINAPI CreateDCA( LPCSTR driver, LPCSTR device, LPCSTR output, const DEVMODEA *initData ) { HDC hdc; DC * dc; const DC_FUNCTIONS *funcs; char buf[300]; if ((!driver) && (!device)) return 0; GDI_CheckNotLock(); if (!device || !DRIVER_GetDriverName( device, buf, sizeof(buf) )) strcpy(buf, driver); if (!(funcs = DRIVER_load_driver( buf ))) { ERR( "no driver found for %s\n", buf ); return 0; } if (!(dc = DC_AllocDC( funcs ))) { DRIVER_release_driver( funcs ); return 0; } dc->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, &dc->physDev, buf, device, output, initData )) { WARN("creation aborted by device\n" ); GDI_FreeObject( dc->hSelf, dc ); DRIVER_release_driver( funcs ); return 0; } dc->totalExtent.left = 0; dc->totalExtent.top = 0; dc->totalExtent.right = GetDeviceCaps( dc->hSelf, HORZRES ); dc->totalExtent.bottom = GetDeviceCaps( dc->hSelf, VERTRES ); dc->hVisRgn = CreateRectRgnIndirect( &dc->totalExtent ); DC_InitDC( dc ); hdc = dc->hSelf; GDI_ReleaseObj( hdc ); return hdc; } /*********************************************************************** * CreateDCW (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 = CreateDCA( driverA, deviceA, outputA, (const DEVMODEA *)initData /*FIXME*/ ); HeapFree( GetProcessHeap(), 0, driverA ); HeapFree( GetProcessHeap(), 0, deviceA ); HeapFree( GetProcessHeap(), 0, outputA ); return res; } /*********************************************************************** * 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; const DC_FUNCTIONS *funcs; GDI_CheckNotLock(); if ((origDC = GDI_GetObjPtr( hdc, DC_MAGIC ))) { funcs = origDC->funcs; GDI_ReleaseObj( hdc ); /* can't hold the lock while loading the driver */ funcs = DRIVER_get_driver( funcs ); } else funcs = DRIVER_load_driver( "DISPLAY" ); if (!funcs) return 0; if (!(dc = DC_AllocDC( funcs ))) { DRIVER_release_driver( funcs ); return 0; } TRACE("(%04x): returning %04x\n", hdc, dc->hSelf ); dc->flags = DC_MEMORY; dc->bitsPerPixel = 1; dc->hBitmap = GetStockObject( DEFAULT_BITMAP ); /* 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 = GDI_GetObjPtr( hdc, DC_MAGIC ))) dc->physDev = origDC->physDev; if (dc->funcs->pCreateDC && !dc->funcs->pCreateDC( dc, &dc->physDev, NULL, NULL, NULL, NULL )) { WARN("creation aborted by device\n"); GDI_FreeObject( dc->hSelf, dc ); if (origDC) GDI_ReleaseObj( hdc ); DRIVER_release_driver( funcs ); return 0; } dc->totalExtent.left = 0; dc->totalExtent.top = 0; dc->totalExtent.right = 1; /* default bitmap is 1x1 */ dc->totalExtent.bottom = 1; dc->hVisRgn = CreateRectRgnIndirect( &dc->totalExtent ); DC_InitDC( dc ); GDI_ReleaseObj( dc->hSelf ); if (origDC) GDI_ReleaseObj( hdc ); return dc->hSelf; } /*********************************************************************** * DeleteDC (GDI32.@) */ BOOL WINAPI DeleteDC( HDC hdc ) { const DC_FUNCTIONS *funcs = NULL; DC * dc; TRACE("%04x\n", hdc ); GDI_CheckNotLock(); if (!(dc = GDI_GetObjPtr( hdc, DC_MAGIC ))) return FALSE; /* Call hook procedure to check whether is it OK to delete this DC */ if (dc->hookThunk && !(dc->flags & (DC_SAVED | DC_MEMORY))) { DCHOOKPROC proc = dc->hookThunk; if (proc) { DWORD data = dc->dwHookData; GDI_ReleaseObj( hdc ); if (!proc( hdc, DCHC_DELETEDC, data, 0 )) return FALSE; if (!(dc = DC_GetDCPtr( hdc ))) return TRUE; /* deleted by the hook */ } } while (dc->saveLevel) { DC * dcs; HDC16 hdcs = dc->header.hNext; if (!(dcs = DC_GetDCPtr( hdcs ))) break; dc->header.hNext = dcs->header.hNext; dc->saveLevel--; if (dcs->hClipRgn) DeleteObject( dcs->hClipRgn ); if (dcs->hVisRgn) DeleteObject( dcs->hVisRgn ); if (dcs->hGCClipRgn) DeleteObject( dcs->hGCClipRgn ); PATH_DestroyGdiPath(&dcs->path); GDI_FreeObject( hdcs, dcs ); } if (!(dc->flags & DC_SAVED)) { SelectObject( hdc, GetStockObject(BLACK_PEN) ); SelectObject( hdc, GetStockObject(WHITE_BRUSH) ); SelectObject( hdc, GetStockObject(SYSTEM_FONT) ); SelectObject( hdc, GetStockObject(DEFAULT_BITMAP) ); funcs = dc->funcs; if (dc->funcs->pDeleteDC) dc->funcs->pDeleteDC(dc->physDev); dc->physDev = NULL; } if (dc->hClipRgn) DeleteObject( dc->hClipRgn ); if (dc->hVisRgn) DeleteObject( dc->hVisRgn ); if (dc->hGCClipRgn) DeleteObject( dc->hGCClipRgn ); PATH_DestroyGdiPath(&dc->path); GDI_FreeObject( hdc, dc ); if (funcs) DRIVER_release_driver( funcs ); /* do that after releasing the GDI lock */ return TRUE; } /*********************************************************************** * ResetDCA (GDI32.@) */ HDC WINAPI ResetDCA( HDC hdc, const DEVMODEA *devmode ) { DC *dc; HDC ret = hdc; if ((dc = DC_GetDCPtr( hdc ))) { if (dc->funcs->pResetDC) ret = dc->funcs->pResetDC( dc->physDev, devmode ); GDI_ReleaseObj( hdc ); } return ret; } /*********************************************************************** * ResetDCW (GDI32.@) */ HDC WINAPI ResetDCW( HDC hdc, const DEVMODEW *devmode ) { return ResetDCA(hdc, (const DEVMODEA*)devmode); /* FIXME */ } /*********************************************************************** * GetDeviceCaps (GDI32.@) */ INT WINAPI GetDeviceCaps( HDC hdc, INT cap ) { DC *dc; INT ret = 0; if ((dc = DC_GetDCPtr( hdc ))) { if (dc->funcs->pGetDeviceCaps) ret = dc->funcs->pGetDeviceCaps( dc->physDev, cap ); GDI_ReleaseObj( hdc ); } return ret; } /*********************************************************************** * SetBkColor (GDI32.@) */ COLORREF WINAPI SetBkColor( HDC hdc, COLORREF color ) { COLORREF oldColor; DC * dc = DC_GetDCPtr( hdc ); if (!dc) return CLR_INVALID; oldColor = dc->backgroundColor; if (dc->funcs->pSetBkColor) { color = dc->funcs->pSetBkColor(dc->physDev, color); if (color == CLR_INVALID) /* don't change it */ { color = oldColor; oldColor = CLR_INVALID; } } dc->backgroundColor = color; GDI_ReleaseObj( hdc ); return oldColor; } /*********************************************************************** * SetTextColor (GDI32.@) */ COLORREF WINAPI SetTextColor( HDC hdc, COLORREF color ) { COLORREF oldColor; DC * dc = DC_GetDCPtr( hdc ); if (!dc) return CLR_INVALID; oldColor = dc->textColor; if (dc->funcs->pSetTextColor) { color = dc->funcs->pSetTextColor(dc->physDev, color); if (color == CLR_INVALID) /* don't change it */ { color = oldColor; oldColor = CLR_INVALID; } } dc->textColor = color; GDI_ReleaseObj( hdc ); return oldColor; } /*********************************************************************** * SetTextAlign (GDI32.@) */ 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->physDev, align); else { prevAlign = dc->textAlign; dc->textAlign = align; } GDI_ReleaseObj( hdc ); return prevAlign; } /*********************************************************************** * GetDCOrgEx (GDI32.@) */ BOOL WINAPI GetDCOrgEx( HDC hDC, LPPOINT lpp ) { DC * dc; if (!lpp) return FALSE; if (!(dc = DC_GetDCPtr( hDC ))) return FALSE; lpp->x = lpp->y = 0; if (dc->funcs->pGetDCOrgEx) dc->funcs->pGetDCOrgEx( dc->physDev, lpp ); GDI_ReleaseObj( hDC ); return TRUE; } /*********************************************************************** * SetDCOrg (GDI.117) */ DWORD WINAPI SetDCOrg16( HDC16 hdc, INT16 x, INT16 y ) { DWORD prevOrg = 0; DC *dc = DC_GetDCPtr( hdc ); if (!dc) return 0; if (dc->funcs->pSetDCOrg) prevOrg = dc->funcs->pSetDCOrg( dc->physDev, x, y ); GDI_ReleaseObj( hdc ); return prevOrg; } /*********************************************************************** * SetGraphicsMode (GDI32.@) */ INT WINAPI SetGraphicsMode( HDC hdc, INT mode ) { INT ret = 0; DC *dc = DC_GetDCPtr( 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; } GDI_ReleaseObj( hdc ); return ret; } /*********************************************************************** * SetArcDirection (GDI32.@) */ INT WINAPI SetArcDirection( HDC hdc, INT nDirection ) { DC * dc; INT nOldDirection = 0; if (nDirection!=AD_COUNTERCLOCKWISE && nDirection!=AD_CLOCKWISE) { SetLastError(ERROR_INVALID_PARAMETER); return 0; } if ((dc = DC_GetDCPtr( hdc ))) { nOldDirection = dc->ArcDirection; dc->ArcDirection = nDirection; GDI_ReleaseObj( hdc ); } return nOldDirection; } /*********************************************************************** * GetWorldTransform (GDI32.@) */ BOOL WINAPI GetWorldTransform( HDC hdc, LPXFORM xform ) { DC * dc; if (!xform) return FALSE; if (!(dc = DC_GetDCPtr( hdc ))) return FALSE; *xform = dc->xformWorld2Wnd; GDI_ReleaseObj( hdc ); return TRUE; } /*********************************************************************** * SetWorldTransform (GDI32.@) */ BOOL WINAPI SetWorldTransform( HDC hdc, const XFORM *xform ) { BOOL ret = FALSE; DC *dc = DC_GetDCPtr( hdc ); if (!dc) return FALSE; if (!xform) goto done; /* Check that graphics mode is GM_ADVANCED */ if (dc->GraphicsMode!=GM_ADVANCED) goto done; dc->xformWorld2Wnd = *xform; DC_UpdateXforms( dc ); ret = TRUE; done: GDI_ReleaseObj( hdc ); return ret; } /**************************************************************************** * ModifyWorldTransform [GDI32.@] * 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 ) { BOOL ret = FALSE; DC *dc = DC_GetDCPtr( hdc ); /* Check for illegal parameters */ if (!dc) return FALSE; if (!xform) goto done; /* Check that graphics mode is GM_ADVANCED */ if (dc->GraphicsMode!=GM_ADVANCED) goto done; switch (iMode) { case MWT_IDENTITY: 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; break; case MWT_LEFTMULTIPLY: CombineTransform( &dc->xformWorld2Wnd, xform, &dc->xformWorld2Wnd ); break; case MWT_RIGHTMULTIPLY: CombineTransform( &dc->xformWorld2Wnd, &dc->xformWorld2Wnd, xform ); break; default: goto done; } DC_UpdateXforms( dc ); ret = TRUE; done: GDI_ReleaseObj( hdc ); 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 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 (GDI32.@) * * Note: this doesn't exist in Win32, we add it here because user32 needs it. */ BOOL WINAPI SetDCHook( HDC hdc, DCHOOKPROC hookProc, DWORD dwHookData ) { DC *dc = DC_GetDCPtr( hdc ); if (!dc) return FALSE; dc->dwHookData = dwHookData; dc->hookThunk = hookProc; GDI_ReleaseObj( hdc ); return TRUE; } /* relay function to call the 16-bit DC hook proc */ static BOOL16 WINAPI call_dc_hook16( HDC16 hdc, WORD code, DWORD data, LPARAM lParam ) { FARPROC16 proc = NULL; DC *dc = DC_GetDCPtr( hdc ); if (!dc) return FALSE; proc = dc->hookProc; GDI_ReleaseObj( hdc ); if (!proc) return FALSE; return GDI_CallTo16_word_wwll( proc, hdc, code, data, lParam ); } /*********************************************************************** * SetDCHook (GDI.190) */ BOOL16 WINAPI SetDCHook16( HDC16 hdc, FARPROC16 hookProc, DWORD dwHookData ) { DC *dc = DC_GetDCPtr( hdc ); if (!dc) return FALSE; dc->hookProc = hookProc; GDI_ReleaseObj( hdc ); return SetDCHook( hdc, call_dc_hook16, dwHookData ); } /*********************************************************************** * GetDCHook (GDI.191) */ DWORD WINAPI GetDCHook16( HDC16 hdc, FARPROC16 *phookProc ) { DC *dc = DC_GetDCPtr( hdc ); if (!dc) return 0; *phookProc = dc->hookProc; GDI_ReleaseObj( hdc ); return dc->dwHookData; } /*********************************************************************** * SetHookFlags (GDI.192) */ WORD WINAPI SetHookFlags16(HDC16 hDC, WORD flags) { DC *dc = DC_GetDCPtr( hDC ); if( dc ) { WORD wRet = dc->flags & DC_DIRTY; /* "Undocumented Windows" info is slightly confusing. */ TRACE("hDC %04x, flags %04x\n",hDC,flags); if( flags & DCHF_INVALIDATEVISRGN ) dc->flags |= DC_DIRTY; else if( flags & DCHF_VALIDATEVISRGN || !flags ) dc->flags &= ~DC_DIRTY; GDI_ReleaseObj( hDC ); return wRet; } return 0; } /*********************************************************************** * SetICMMode (GDI32.@) */ 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; } /*********************************************************************** * GetDeviceGammaRamp (GDI32.@) */ BOOL WINAPI GetDeviceGammaRamp(HDC hDC, LPVOID ptr) { BOOL ret = FALSE; DC *dc = DC_GetDCPtr( hDC ); if( dc ) { if (dc->funcs->pGetDeviceGammaRamp) ret = dc->funcs->pGetDeviceGammaRamp(dc->physDev, ptr); GDI_ReleaseObj( hDC ); } return ret; } /*********************************************************************** * SetDeviceGammaRamp (GDI32.@) */ BOOL WINAPI SetDeviceGammaRamp(HDC hDC, LPVOID ptr) { BOOL ret = FALSE; DC *dc = DC_GetDCPtr( hDC ); if( dc ) { if (dc->funcs->pSetDeviceGammaRamp) ret = dc->funcs->pSetDeviceGammaRamp(dc->physDev, ptr); GDI_ReleaseObj( hDC ); } return ret; } /*********************************************************************** * GetColorSpace (GDI32.@) */ 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; } /*********************************************************************** * GetBoundsRect (GDI.194) */ UINT16 WINAPI GetBoundsRect16(HDC16 hdc, LPRECT16 rect, UINT16 flags) { return DCB_RESET | DCB_DISABLE; /* bounding rectangle always empty and disabled*/ } /*********************************************************************** * GetBoundsRect (GDI32.@) */ UINT WINAPI GetBoundsRect(HDC hdc, LPRECT rect, UINT flags) { FIXME("(): stub\n"); return DCB_RESET; /* bounding rectangle always empty */ } /*********************************************************************** * SetBoundsRect (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*/ } /*********************************************************************** * SetBoundsRect (GDI32.@) */ UINT WINAPI SetBoundsRect(HDC hdc, const RECT* rect, UINT flags) { FIXME("(): stub\n"); return DCB_DISABLE; /* bounding rectangle always empty */ } /*********************************************************************** * GetRelAbs (GDI32.@) */ INT WINAPI GetRelAbs( HDC hdc, DWORD dwIgnore ) { INT ret = 0; DC *dc = DC_GetDCPtr( hdc ); if (dc) ret = dc->relAbsMode; GDI_ReleaseObj( hdc ); return ret; } /*********************************************************************** * GetLayout (GDI32.@) * * 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.@) * * 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; }