2 * GDI Device Context functions
4 * Copyright 1993 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
33 #include "wine/winuser16.h"
35 #include "gdi_private.h"
36 #include "wine/unicode.h"
37 #include "wine/debug.h"
39 WINE_DEFAULT_DEBUG_CHANNEL(dc);
41 static BOOL DC_DeleteObject( HGDIOBJ handle, void *obj );
43 static const struct gdi_obj_funcs dc_funcs =
45 NULL, /* pSelectObject */
46 NULL, /* pGetObject16 */
47 NULL, /* pGetObjectA */
48 NULL, /* pGetObjectW */
49 NULL, /* pUnrealizeObject */
50 DC_DeleteObject /* pDeleteObject */
53 /***********************************************************************
56 DC *DC_AllocDC( const DC_FUNCTIONS *funcs, WORD magic )
61 if (!(dc = GDI_AllocObject( sizeof(*dc), magic, (HGDIOBJ*)&hdc, &dc_funcs ))) return NULL;
81 dc->hPen = GetStockObject( BLACK_PEN );
82 dc->hBrush = GetStockObject( WHITE_BRUSH );
83 dc->hFont = GetStockObject( SYSTEM_FONT );
86 dc->hPalette = GetStockObject( DEFAULT_PALETTE );
88 dc->ROPmode = R2_COPYPEN;
89 dc->polyFillMode = ALTERNATE;
90 dc->stretchBltMode = BLACKONWHITE;
91 dc->relAbsMode = ABSOLUTE;
92 dc->backgroundMode = OPAQUE;
93 dc->backgroundColor = RGB( 255, 255, 255 );
94 dc->dcBrushColor = RGB( 255, 255, 255 );
95 dc->dcPenColor = RGB( 0, 0, 0 );
96 dc->textColor = RGB( 0, 0, 0 );
99 dc->textAlign = TA_LEFT | TA_TOP | TA_NOUPDATECP;
103 dc->MapMode = MM_TEXT;
104 dc->GraphicsMode = GM_COMPATIBLE;
105 dc->pAbortProc = NULL;
108 dc->ArcDirection = AD_COUNTERCLOCKWISE;
109 dc->xformWorld2Wnd.eM11 = 1.0f;
110 dc->xformWorld2Wnd.eM12 = 0.0f;
111 dc->xformWorld2Wnd.eM21 = 0.0f;
112 dc->xformWorld2Wnd.eM22 = 1.0f;
113 dc->xformWorld2Wnd.eDx = 0.0f;
114 dc->xformWorld2Wnd.eDy = 0.0f;
115 dc->xformWorld2Vport = dc->xformWorld2Wnd;
116 dc->xformVport2World = dc->xformWorld2Wnd;
117 dc->vport2WorldValid = TRUE;
118 dc->BoundsRect.left = 0;
119 dc->BoundsRect.top = 0;
120 dc->BoundsRect.right = 0;
121 dc->BoundsRect.bottom = 0;
122 PATH_InitGdiPath(&dc->path);
128 /***********************************************************************
131 DC *DC_GetDCPtr( HDC hdc )
133 GDIOBJHDR *ptr = GDI_GetObjPtr( hdc, MAGIC_DONTCARE );
134 if (!ptr) return NULL;
135 if ((GDIMAGIC(ptr->wMagic) == DC_MAGIC) ||
136 (GDIMAGIC(ptr->wMagic) == MEMORY_DC_MAGIC) ||
137 (GDIMAGIC(ptr->wMagic) == METAFILE_DC_MAGIC) ||
138 (GDIMAGIC(ptr->wMagic) == ENHMETAFILE_DC_MAGIC))
140 GDI_ReleaseObj( hdc );
141 SetLastError( ERROR_INVALID_HANDLE );
145 /***********************************************************************
148 * Retrieve a DC ptr while making sure the visRgn is updated.
149 * This function may call up to USER so the GDI lock should _not_
150 * be held when calling it.
152 DC *DC_GetDCUpdate( HDC hdc )
154 DC *dc = DC_GetDCPtr( hdc );
155 if (!dc) return NULL;
156 while (dc->flags & DC_DIRTY)
158 DCHOOKPROC proc = dc->hookThunk;
159 dc->flags &= ~DC_DIRTY;
162 DWORD data = dc->dwHookData;
163 GDI_ReleaseObj( hdc );
164 proc( HDC_16(hdc), DCHC_INVALIDVISRGN, data, 0 );
165 if (!(dc = DC_GetDCPtr( hdc ))) break;
166 /* otherwise restart the loop in case it became dirty again in the meantime */
173 /***********************************************************************
176 static BOOL DC_DeleteObject( HGDIOBJ handle, void *obj )
178 GDI_ReleaseObj( handle );
179 return DeleteDC( handle );
183 /***********************************************************************
186 * Setup device-specific DC values for a newly created DC.
188 void DC_InitDC( DC* dc )
190 if (dc->funcs->pRealizeDefaultPalette) dc->funcs->pRealizeDefaultPalette( dc->physDev );
191 SetTextColor( dc->hSelf, dc->textColor );
192 SetBkColor( dc->hSelf, dc->backgroundColor );
193 SelectObject( dc->hSelf, dc->hPen );
194 SelectObject( dc->hSelf, dc->hBrush );
195 SelectObject( dc->hSelf, dc->hFont );
196 CLIPPING_UpdateGCRegion( dc );
200 /***********************************************************************
203 * Computes the inverse of the transformation xformSrc and stores it to
204 * xformDest. Returns TRUE if successful or FALSE if the xformSrc matrix
207 static BOOL DC_InvertXform( const XFORM *xformSrc, XFORM *xformDest )
211 determinant = xformSrc->eM11*xformSrc->eM22 -
212 xformSrc->eM12*xformSrc->eM21;
213 if (determinant > -1e-12 && determinant < 1e-12)
216 xformDest->eM11 = xformSrc->eM22 / determinant;
217 xformDest->eM12 = -xformSrc->eM12 / determinant;
218 xformDest->eM21 = -xformSrc->eM21 / determinant;
219 xformDest->eM22 = xformSrc->eM11 / determinant;
220 xformDest->eDx = -xformSrc->eDx * xformDest->eM11 -
221 xformSrc->eDy * xformDest->eM21;
222 xformDest->eDy = -xformSrc->eDx * xformDest->eM12 -
223 xformSrc->eDy * xformDest->eM22;
229 /***********************************************************************
232 * Updates the xformWorld2Vport, xformVport2World and vport2WorldValid
233 * fields of the specified DC by creating a transformation that
234 * represents the current mapping mode and combining it with the DC's
235 * world transform. This function should be called whenever the
236 * parameters associated with the mapping mode (window and viewport
237 * extents and origins) or the world transform change.
239 void DC_UpdateXforms( DC *dc )
241 XFORM xformWnd2Vport, oldworld2vport;
242 FLOAT scaleX, scaleY;
244 /* Construct a transformation to do the window-to-viewport conversion */
245 scaleX = (FLOAT)dc->vportExtX / (FLOAT)dc->wndExtX;
246 scaleY = (FLOAT)dc->vportExtY / (FLOAT)dc->wndExtY;
247 xformWnd2Vport.eM11 = scaleX;
248 xformWnd2Vport.eM12 = 0.0;
249 xformWnd2Vport.eM21 = 0.0;
250 xformWnd2Vport.eM22 = scaleY;
251 xformWnd2Vport.eDx = (FLOAT)dc->vportOrgX -
252 scaleX * (FLOAT)dc->wndOrgX;
253 xformWnd2Vport.eDy = (FLOAT)dc->vportOrgY -
254 scaleY * (FLOAT)dc->wndOrgY;
256 oldworld2vport = dc->xformWorld2Vport;
257 /* Combine with the world transformation */
258 CombineTransform( &dc->xformWorld2Vport, &dc->xformWorld2Wnd,
261 /* Create inverse of world-to-viewport transformation */
262 dc->vport2WorldValid = DC_InvertXform( &dc->xformWorld2Vport,
263 &dc->xformVport2World );
265 /* Reselect the font and pen back into the dc so that the size
267 if(memcmp(&oldworld2vport, &dc->xformWorld2Vport, sizeof(oldworld2vport)))
269 SelectObject(dc->hSelf, GetCurrentObject(dc->hSelf, OBJ_FONT));
270 SelectObject(dc->hSelf, GetCurrentObject(dc->hSelf, OBJ_PEN));
275 /***********************************************************************
276 * GetDCState (Not a Windows API)
278 HDC WINAPI GetDCState( HDC hdc )
283 if (!(dc = DC_GetDCPtr( hdc ))) return 0;
284 if (!(newdc = GDI_AllocObject( sizeof(DC), GDIMAGIC(dc->header.wMagic), &handle, &dc_funcs )))
286 GDI_ReleaseObj( hdc );
289 TRACE("(%p): returning %p\n", hdc, handle );
291 newdc->flags = dc->flags | DC_SAVED;
292 newdc->hPen = dc->hPen;
293 newdc->hBrush = dc->hBrush;
294 newdc->hFont = dc->hFont;
295 newdc->hBitmap = dc->hBitmap;
296 newdc->hDevice = dc->hDevice;
297 newdc->hPalette = dc->hPalette;
298 newdc->ROPmode = dc->ROPmode;
299 newdc->polyFillMode = dc->polyFillMode;
300 newdc->stretchBltMode = dc->stretchBltMode;
301 newdc->relAbsMode = dc->relAbsMode;
302 newdc->backgroundMode = dc->backgroundMode;
303 newdc->backgroundColor = dc->backgroundColor;
304 newdc->textColor = dc->textColor;
305 newdc->dcBrushColor = dc->dcBrushColor;
306 newdc->dcPenColor = dc->dcPenColor;
307 newdc->brushOrgX = dc->brushOrgX;
308 newdc->brushOrgY = dc->brushOrgY;
309 newdc->textAlign = dc->textAlign;
310 newdc->charExtra = dc->charExtra;
311 newdc->breakExtra = dc->breakExtra;
312 newdc->breakRem = dc->breakRem;
313 newdc->MapMode = dc->MapMode;
314 newdc->GraphicsMode = dc->GraphicsMode;
315 newdc->CursPosX = dc->CursPosX;
316 newdc->CursPosY = dc->CursPosY;
317 newdc->ArcDirection = dc->ArcDirection;
318 newdc->xformWorld2Wnd = dc->xformWorld2Wnd;
319 newdc->xformWorld2Vport = dc->xformWorld2Vport;
320 newdc->xformVport2World = dc->xformVport2World;
321 newdc->vport2WorldValid = dc->vport2WorldValid;
322 newdc->wndOrgX = dc->wndOrgX;
323 newdc->wndOrgY = dc->wndOrgY;
324 newdc->wndExtX = dc->wndExtX;
325 newdc->wndExtY = dc->wndExtY;
326 newdc->vportOrgX = dc->vportOrgX;
327 newdc->vportOrgY = dc->vportOrgY;
328 newdc->vportExtX = dc->vportExtX;
329 newdc->vportExtY = dc->vportExtY;
330 newdc->BoundsRect = dc->BoundsRect;
332 newdc->hSelf = (HDC)handle;
333 newdc->saveLevel = 0;
335 PATH_InitGdiPath( &newdc->path );
337 newdc->pAbortProc = NULL;
338 newdc->hookThunk = NULL;
341 /* Get/SetDCState() don't change hVisRgn field ("Undoc. Windows" p.559). */
346 newdc->hClipRgn = CreateRectRgn( 0, 0, 0, 0 );
347 CombineRgn( newdc->hClipRgn, dc->hClipRgn, 0, RGN_COPY );
353 newdc->gdiFont = dc->gdiFont;
357 GDI_ReleaseObj( handle );
358 GDI_ReleaseObj( hdc );
363 /***********************************************************************
364 * SetDCState (Not a Windows API)
366 void WINAPI SetDCState( HDC hdc, HDC hdcs )
370 if (!(dc = DC_GetDCUpdate( hdc ))) return;
371 if (!(dcs = DC_GetDCPtr( hdcs )))
373 GDI_ReleaseObj( hdc );
376 if (!dcs->flags & DC_SAVED)
378 GDI_ReleaseObj( hdc );
379 GDI_ReleaseObj( hdcs );
382 TRACE("%p %p\n", hdc, hdcs );
384 dc->flags = dcs->flags & ~(DC_SAVED | DC_DIRTY);
385 dc->hDevice = dcs->hDevice;
386 dc->ROPmode = dcs->ROPmode;
387 dc->polyFillMode = dcs->polyFillMode;
388 dc->stretchBltMode = dcs->stretchBltMode;
389 dc->relAbsMode = dcs->relAbsMode;
390 dc->backgroundMode = dcs->backgroundMode;
391 dc->backgroundColor = dcs->backgroundColor;
392 dc->textColor = dcs->textColor;
393 dc->dcBrushColor = dcs->dcBrushColor;
394 dc->dcPenColor = dcs->dcPenColor;
395 dc->brushOrgX = dcs->brushOrgX;
396 dc->brushOrgY = dcs->brushOrgY;
397 dc->textAlign = dcs->textAlign;
398 dc->charExtra = dcs->charExtra;
399 dc->breakExtra = dcs->breakExtra;
400 dc->breakRem = dcs->breakRem;
401 dc->MapMode = dcs->MapMode;
402 dc->GraphicsMode = dcs->GraphicsMode;
403 dc->CursPosX = dcs->CursPosX;
404 dc->CursPosY = dcs->CursPosY;
405 dc->ArcDirection = dcs->ArcDirection;
406 dc->xformWorld2Wnd = dcs->xformWorld2Wnd;
407 dc->xformWorld2Vport = dcs->xformWorld2Vport;
408 dc->xformVport2World = dcs->xformVport2World;
409 dc->vport2WorldValid = dcs->vport2WorldValid;
410 dc->BoundsRect = dcs->BoundsRect;
412 dc->wndOrgX = dcs->wndOrgX;
413 dc->wndOrgY = dcs->wndOrgY;
414 dc->wndExtX = dcs->wndExtX;
415 dc->wndExtY = dcs->wndExtY;
416 dc->vportOrgX = dcs->vportOrgX;
417 dc->vportOrgY = dcs->vportOrgY;
418 dc->vportExtX = dcs->vportExtX;
419 dc->vportExtY = dcs->vportExtY;
423 if (!dc->hClipRgn) dc->hClipRgn = CreateRectRgn( 0, 0, 0, 0 );
424 CombineRgn( dc->hClipRgn, dcs->hClipRgn, 0, RGN_COPY );
428 if (dc->hClipRgn) DeleteObject( dc->hClipRgn );
431 CLIPPING_UpdateGCRegion( dc );
433 SelectObject( hdc, dcs->hBitmap );
434 SelectObject( hdc, dcs->hBrush );
435 SelectObject( hdc, dcs->hFont );
436 SelectObject( hdc, dcs->hPen );
437 SetBkColor( hdc, dcs->backgroundColor);
438 SetTextColor( hdc, dcs->textColor);
439 GDISelectPalette( hdc, dcs->hPalette, FALSE );
440 GDI_ReleaseObj( hdcs );
441 GDI_ReleaseObj( hdc );
445 /***********************************************************************
446 * GetDCState (GDI.179)
448 HDC16 WINAPI GetDCState16( HDC16 hdc )
450 return HDC_16( GetDCState( HDC_32(hdc) ));
454 /***********************************************************************
455 * SetDCState (GDI.180)
457 void WINAPI SetDCState16( HDC16 hdc, HDC16 hdcs )
459 SetDCState( HDC_32(hdc), HDC_32(hdcs) );
463 /***********************************************************************
466 INT WINAPI SaveDC( HDC hdc )
472 dc = DC_GetDCPtr( hdc );
475 if(dc->funcs->pSaveDC)
477 ret = dc->funcs->pSaveDC( dc->physDev );
478 GDI_ReleaseObj( hdc );
482 if (!(hdcs = GetDCState( hdc )))
484 GDI_ReleaseObj( hdc );
487 dcs = DC_GetDCPtr( hdcs );
489 /* Copy path. The reason why path saving / restoring is in SaveDC/
490 * RestoreDC and not in GetDCState/SetDCState is that the ...DCState
491 * functions are only in Win16 (which doesn't have paths) and that
492 * SetDCState doesn't allow us to signal an error (which can happen
493 * when copying paths).
495 if (!PATH_AssignGdiPath( &dcs->path, &dc->path ))
497 GDI_ReleaseObj( hdc );
498 GDI_ReleaseObj( hdcs );
503 dcs->header.hNext = dc->header.hNext;
504 dc->header.hNext = HDC_16(hdcs);
505 TRACE("(%p): returning %d\n", hdc, dc->saveLevel+1 );
506 ret = ++dc->saveLevel;
507 GDI_ReleaseObj( hdcs );
508 GDI_ReleaseObj( hdc );
513 /***********************************************************************
514 * RestoreDC (GDI32.@)
516 BOOL WINAPI RestoreDC( HDC hdc, INT level )
521 TRACE("%p %d\n", hdc, level );
522 dc = DC_GetDCUpdate( hdc );
523 if(!dc) return FALSE;
524 if(dc->funcs->pRestoreDC)
526 success = dc->funcs->pRestoreDC( dc->physDev, level );
527 GDI_ReleaseObj( hdc );
531 if (level == -1) level = dc->saveLevel;
533 /* This pair of checks disagrees with MSDN "Platform SDK:
534 Windows GDI" July 2000 which says all negative values
535 for level will be interpreted as an instance relative
536 to the current state. Restricting it to just -1 does
538 || (level > dc->saveLevel))
540 GDI_ReleaseObj( hdc );
545 while (dc->saveLevel >= level)
547 HDC hdcs = HDC_32(dc->header.hNext);
548 if (!(dcs = DC_GetDCPtr( hdcs )))
550 GDI_ReleaseObj( hdc );
553 dc->header.hNext = dcs->header.hNext;
554 if (--dc->saveLevel < level)
556 SetDCState( hdc, hdcs );
557 if (!PATH_AssignGdiPath( &dc->path, &dcs->path ))
558 /* FIXME: This might not be quite right, since we're
559 * returning FALSE but still destroying the saved DC state */
562 GDI_ReleaseObj( hdcs );
563 GDI_ReleaseObj( hdc );
565 if (!(dc = DC_GetDCPtr( hdc ))) return FALSE;
567 GDI_ReleaseObj( hdc );
572 /***********************************************************************
573 * CreateDCW (GDI32.@)
575 HDC WINAPI CreateDCW( LPCWSTR driver, LPCWSTR device, LPCWSTR output,
576 const DEVMODEW *initData )
580 const DC_FUNCTIONS *funcs;
585 if (!device || !DRIVER_GetDriverName( device, buf, 300 ))
587 if (!driver) return 0;
588 strcpyW(buf, driver);
591 if (!(funcs = DRIVER_load_driver( buf )))
593 ERR( "no driver found for %s\n", debugstr_w(buf) );
596 if (!(dc = DC_AllocDC( funcs, DC_MAGIC )))
598 DRIVER_release_driver( funcs );
603 dc->hBitmap = GetStockObject( DEFAULT_BITMAP );
605 TRACE("(driver=%s, device=%s, output=%s): returning %p\n",
606 debugstr_w(driver), debugstr_w(device), debugstr_w(output), dc->hSelf );
608 if (dc->funcs->pCreateDC &&
609 !dc->funcs->pCreateDC( hdc, &dc->physDev, buf, device, output, initData ))
611 WARN("creation aborted by device\n" );
612 GDI_FreeObject( dc->hSelf, dc );
613 DRIVER_release_driver( funcs );
617 dc->hVisRgn = CreateRectRgn( 0, 0, GetDeviceCaps( hdc, HORZRES ),
618 GetDeviceCaps( hdc, VERTRES ) );
621 GDI_ReleaseObj( hdc );
626 /***********************************************************************
627 * CreateDCA (GDI32.@)
629 HDC WINAPI CreateDCA( LPCSTR driver, LPCSTR device, LPCSTR output,
630 const DEVMODEA *initData )
632 UNICODE_STRING driverW, deviceW, outputW;
636 if (driver) RtlCreateUnicodeStringFromAsciiz(&driverW, driver);
637 else driverW.Buffer = NULL;
639 if (device) RtlCreateUnicodeStringFromAsciiz(&deviceW, device);
640 else deviceW.Buffer = NULL;
642 if (output) RtlCreateUnicodeStringFromAsciiz(&outputW, output);
643 else outputW.Buffer = NULL;
645 if (initData) initDataW = GdiConvertToDevmodeW(initData);
646 else initDataW = NULL;
648 ret = CreateDCW( driverW.Buffer, deviceW.Buffer, outputW.Buffer, initDataW );
650 RtlFreeUnicodeString(&driverW);
651 RtlFreeUnicodeString(&deviceW);
652 RtlFreeUnicodeString(&outputW);
653 if (initDataW) HeapFree(GetProcessHeap(), 0, initDataW);
658 /***********************************************************************
659 * CreateICA (GDI32.@)
661 HDC WINAPI CreateICA( LPCSTR driver, LPCSTR device, LPCSTR output,
662 const DEVMODEA* initData )
664 /* Nothing special yet for ICs */
665 return CreateDCA( driver, device, output, initData );
669 /***********************************************************************
670 * CreateICW (GDI32.@)
672 HDC WINAPI CreateICW( LPCWSTR driver, LPCWSTR device, LPCWSTR output,
673 const DEVMODEW* initData )
675 /* Nothing special yet for ICs */
676 return CreateDCW( driver, device, output, initData );
680 /***********************************************************************
681 * CreateCompatibleDC (GDI32.@)
683 HDC WINAPI CreateCompatibleDC( HDC hdc )
686 const DC_FUNCTIONS *funcs;
691 if ((origDC = GDI_GetObjPtr( hdc, DC_MAGIC )))
693 funcs = origDC->funcs;
694 physDev = origDC->physDev;
695 GDI_ReleaseObj( hdc ); /* can't hold the lock while loading the driver */
696 funcs = DRIVER_get_driver( funcs );
700 static const WCHAR displayW[] = { 'd','i','s','p','l','a','y',0 };
701 funcs = DRIVER_load_driver( displayW );
705 if (!funcs) return 0;
707 if (!(dc = DC_AllocDC( funcs, MEMORY_DC_MAGIC )))
709 DRIVER_release_driver( funcs );
713 TRACE("(%p): returning %p\n", hdc, dc->hSelf );
715 dc->hBitmap = GetStockObject( DEFAULT_BITMAP );
717 /* Copy the driver-specific physical device info into
718 * the new DC. The driver may use this read-only info
719 * while creating the compatible DC below. */
720 dc->physDev = physDev;
722 if (dc->funcs->pCreateDC &&
723 !dc->funcs->pCreateDC( dc->hSelf, &dc->physDev, NULL, NULL, NULL, NULL ))
725 WARN("creation aborted by device\n");
726 GDI_FreeObject( dc->hSelf, dc );
727 DRIVER_release_driver( funcs );
731 dc->hVisRgn = CreateRectRgn( 0, 0, 1, 1 ); /* default bitmap is 1x1 */
734 GDI_ReleaseObj( dc->hSelf );
739 /***********************************************************************
742 BOOL WINAPI DeleteDC( HDC hdc )
744 const DC_FUNCTIONS *funcs = NULL;
751 if (!(dc = DC_GetDCPtr( hdc ))) return FALSE;
753 /* Call hook procedure to check whether is it OK to delete this DC */
756 DCHOOKPROC proc = dc->hookThunk;
757 DWORD data = dc->dwHookData;
758 GDI_ReleaseObj( hdc );
759 if (!proc( HDC_16(hdc), DCHC_DELETEDC, data, 0 )) return FALSE;
760 if (!(dc = DC_GetDCPtr( hdc ))) return TRUE; /* deleted by the hook */
763 while (dc->saveLevel)
766 HDC hdcs = HDC_32(dc->header.hNext);
767 if (!(dcs = DC_GetDCPtr( hdcs ))) break;
768 dc->header.hNext = dcs->header.hNext;
770 if (dcs->hClipRgn) DeleteObject( dcs->hClipRgn );
771 if (dcs->hVisRgn) DeleteObject( dcs->hVisRgn );
772 PATH_DestroyGdiPath(&dcs->path);
773 GDI_FreeObject( hdcs, dcs );
776 if (!(dc->flags & DC_SAVED))
778 SelectObject( hdc, GetStockObject(BLACK_PEN) );
779 SelectObject( hdc, GetStockObject(WHITE_BRUSH) );
780 SelectObject( hdc, GetStockObject(SYSTEM_FONT) );
781 SelectObject( hdc, GetStockObject(DEFAULT_BITMAP) );
783 if (dc->funcs->pDeleteDC) dc->funcs->pDeleteDC(dc->physDev);
787 if (dc->hClipRgn) DeleteObject( dc->hClipRgn );
788 if (dc->hVisRgn) DeleteObject( dc->hVisRgn );
789 PATH_DestroyGdiPath(&dc->path);
791 GDI_FreeObject( hdc, dc );
792 if (funcs) DRIVER_release_driver( funcs ); /* do that after releasing the GDI lock */
797 /***********************************************************************
800 HDC WINAPI ResetDCW( HDC hdc, const DEVMODEW *devmode )
805 if ((dc = DC_GetDCPtr( hdc )))
807 if (dc->funcs->pResetDC) ret = dc->funcs->pResetDC( dc->physDev, devmode );
808 GDI_ReleaseObj( hdc );
814 /***********************************************************************
817 HDC WINAPI ResetDCA( HDC hdc, const DEVMODEA *devmode )
822 if (devmode) devmodeW = GdiConvertToDevmodeW(devmode);
823 else devmodeW = NULL;
825 ret = ResetDCW(hdc, devmodeW);
827 if (devmodeW) HeapFree(GetProcessHeap(), 0, devmodeW);
832 /***********************************************************************
833 * GetDeviceCaps (GDI32.@)
835 INT WINAPI GetDeviceCaps( HDC hdc, INT cap )
840 if ((dc = DC_GetDCPtr( hdc )))
842 if (dc->funcs->pGetDeviceCaps) ret = dc->funcs->pGetDeviceCaps( dc->physDev, cap );
843 GDI_ReleaseObj( hdc );
849 /***********************************************************************
850 * GetBkColor (GDI32.@)
852 COLORREF WINAPI GetBkColor( HDC hdc )
855 DC * dc = DC_GetDCPtr( hdc );
858 ret = dc->backgroundColor;
859 GDI_ReleaseObj( hdc );
865 /***********************************************************************
866 * SetBkColor (GDI32.@)
868 COLORREF WINAPI SetBkColor( HDC hdc, COLORREF color )
871 DC * dc = DC_GetDCPtr( hdc );
873 TRACE("hdc=%p color=0x%08lx\n", hdc, color);
875 if (!dc) return CLR_INVALID;
876 oldColor = dc->backgroundColor;
877 if (dc->funcs->pSetBkColor)
879 color = dc->funcs->pSetBkColor(dc->physDev, color);
880 if (color == CLR_INVALID) /* don't change it */
883 oldColor = CLR_INVALID;
886 dc->backgroundColor = color;
887 GDI_ReleaseObj( hdc );
892 /***********************************************************************
893 * GetTextColor (GDI32.@)
895 COLORREF WINAPI GetTextColor( HDC hdc )
898 DC * dc = DC_GetDCPtr( hdc );
902 GDI_ReleaseObj( hdc );
908 /***********************************************************************
909 * SetTextColor (GDI32.@)
911 COLORREF WINAPI SetTextColor( HDC hdc, COLORREF color )
914 DC * dc = DC_GetDCPtr( hdc );
916 TRACE(" hdc=%p color=0x%08lx\n", hdc, color);
918 if (!dc) return CLR_INVALID;
919 oldColor = dc->textColor;
920 if (dc->funcs->pSetTextColor)
922 color = dc->funcs->pSetTextColor(dc->physDev, color);
923 if (color == CLR_INVALID) /* don't change it */
926 oldColor = CLR_INVALID;
929 dc->textColor = color;
930 GDI_ReleaseObj( hdc );
935 /***********************************************************************
936 * GetTextAlign (GDI32.@)
938 UINT WINAPI GetTextAlign( HDC hdc )
941 DC * dc = DC_GetDCPtr( hdc );
945 GDI_ReleaseObj( hdc );
951 /***********************************************************************
952 * SetTextAlign (GDI32.@)
954 UINT WINAPI SetTextAlign( HDC hdc, UINT align )
957 DC *dc = DC_GetDCPtr( hdc );
959 TRACE("hdc=%p align=%d\n", hdc, align);
962 if (dc->funcs->pSetTextAlign)
963 prevAlign = dc->funcs->pSetTextAlign(dc->physDev, align);
965 prevAlign = dc->textAlign;
966 dc->textAlign = align;
968 GDI_ReleaseObj( hdc );
972 /***********************************************************************
973 * GetDCOrgEx (GDI32.@)
975 BOOL WINAPI GetDCOrgEx( HDC hDC, LPPOINT lpp )
979 if (!lpp) return FALSE;
980 if (!(dc = DC_GetDCPtr( hDC ))) return FALSE;
983 if (dc->funcs->pGetDCOrgEx) dc->funcs->pGetDCOrgEx( dc->physDev, lpp );
984 GDI_ReleaseObj( hDC );
989 /***********************************************************************
992 DWORD WINAPI SetDCOrg16( HDC16 hdc16, INT16 x, INT16 y )
995 HDC hdc = HDC_32( hdc16 );
996 DC *dc = DC_GetDCPtr( hdc );
998 if (dc->funcs->pSetDCOrg) prevOrg = dc->funcs->pSetDCOrg( dc->physDev, x, y );
999 GDI_ReleaseObj( hdc );
1004 /***********************************************************************
1005 * GetGraphicsMode (GDI32.@)
1007 INT WINAPI GetGraphicsMode( HDC hdc )
1010 DC * dc = DC_GetDCPtr( hdc );
1013 ret = dc->GraphicsMode;
1014 GDI_ReleaseObj( hdc );
1020 /***********************************************************************
1021 * SetGraphicsMode (GDI32.@)
1023 INT WINAPI SetGraphicsMode( HDC hdc, INT mode )
1026 DC *dc = DC_GetDCPtr( hdc );
1028 /* One would think that setting the graphics mode to GM_COMPATIBLE
1029 * would also reset the world transformation matrix to the unity
1030 * matrix. However, in Windows, this is not the case. This doesn't
1031 * make a lot of sense to me, but that's the way it is.
1034 if ((mode > 0) && (mode <= GM_LAST))
1036 ret = dc->GraphicsMode;
1037 dc->GraphicsMode = mode;
1039 GDI_ReleaseObj( hdc );
1044 /***********************************************************************
1045 * GetArcDirection (GDI32.@)
1047 INT WINAPI GetArcDirection( HDC hdc )
1050 DC * dc = DC_GetDCPtr( hdc );
1053 ret = dc->ArcDirection;
1054 GDI_ReleaseObj( hdc );
1060 /***********************************************************************
1061 * SetArcDirection (GDI32.@)
1063 INT WINAPI SetArcDirection( HDC hdc, INT nDirection )
1066 INT nOldDirection = 0;
1068 if (nDirection!=AD_COUNTERCLOCKWISE && nDirection!=AD_CLOCKWISE)
1070 SetLastError(ERROR_INVALID_PARAMETER);
1074 if ((dc = DC_GetDCPtr( hdc )))
1076 if (dc->funcs->pSetArcDirection)
1078 dc->funcs->pSetArcDirection(dc->physDev, nDirection);
1080 nOldDirection = dc->ArcDirection;
1081 dc->ArcDirection = nDirection;
1082 GDI_ReleaseObj( hdc );
1084 return nOldDirection;
1088 /***********************************************************************
1089 * GetWorldTransform (GDI32.@)
1091 BOOL WINAPI GetWorldTransform( HDC hdc, LPXFORM xform )
1094 if (!xform) return FALSE;
1095 if (!(dc = DC_GetDCPtr( hdc ))) return FALSE;
1096 *xform = dc->xformWorld2Wnd;
1097 GDI_ReleaseObj( hdc );
1102 /***********************************************************************
1103 * GetTransform (GDI32.@)
1105 BOOL WINAPI GetTransform( HDC hdc, DWORD unknown, LPXFORM xform )
1107 if (unknown == 0x0203) return GetWorldTransform( hdc, xform );
1108 FIXME("stub: don't know what to do for code %lx\n", unknown );
1113 /***********************************************************************
1114 * SetWorldTransform (GDI32.@)
1116 BOOL WINAPI SetWorldTransform( HDC hdc, const XFORM *xform )
1119 DC *dc = DC_GetDCPtr( hdc );
1121 if (!dc) return FALSE;
1122 if (!xform) goto done;
1124 /* Check that graphics mode is GM_ADVANCED */
1125 if (dc->GraphicsMode!=GM_ADVANCED) goto done;
1127 if (dc->funcs->pSetWorldTransform)
1129 ret = dc->funcs->pSetWorldTransform(dc->physDev, xform);
1130 if (!ret) goto done;
1133 dc->xformWorld2Wnd = *xform;
1134 DC_UpdateXforms( dc );
1137 GDI_ReleaseObj( hdc );
1142 /****************************************************************************
1143 * ModifyWorldTransform [GDI32.@]
1144 * Modifies the world transformation for a device context.
1147 * hdc [I] Handle to device context
1148 * xform [I] XFORM structure that will be used to modify the world
1150 * iMode [I] Specifies in what way to modify the world transformation
1153 * Resets the world transformation to the identity matrix.
1154 * The parameter xform is ignored.
1156 * Multiplies xform into the world transformation matrix from
1159 * Multiplies xform into the world transformation matrix from
1164 * Failure: FALSE. Use GetLastError() to determine the cause.
1166 BOOL WINAPI ModifyWorldTransform( HDC hdc, const XFORM *xform,
1170 DC *dc = DC_GetDCPtr( hdc );
1172 /* Check for illegal parameters */
1173 if (!dc) return FALSE;
1174 if (!xform) goto done;
1176 /* Check that graphics mode is GM_ADVANCED */
1177 if (dc->GraphicsMode!=GM_ADVANCED) goto done;
1179 if (dc->funcs->pModifyWorldTransform)
1181 ret = dc->funcs->pModifyWorldTransform(dc->physDev, xform, iMode);
1182 if (!ret) goto done;
1188 dc->xformWorld2Wnd.eM11 = 1.0f;
1189 dc->xformWorld2Wnd.eM12 = 0.0f;
1190 dc->xformWorld2Wnd.eM21 = 0.0f;
1191 dc->xformWorld2Wnd.eM22 = 1.0f;
1192 dc->xformWorld2Wnd.eDx = 0.0f;
1193 dc->xformWorld2Wnd.eDy = 0.0f;
1195 case MWT_LEFTMULTIPLY:
1196 CombineTransform( &dc->xformWorld2Wnd, xform,
1197 &dc->xformWorld2Wnd );
1199 case MWT_RIGHTMULTIPLY:
1200 CombineTransform( &dc->xformWorld2Wnd, &dc->xformWorld2Wnd,
1207 DC_UpdateXforms( dc );
1210 GDI_ReleaseObj( hdc );
1215 /****************************************************************************
1216 * CombineTransform [GDI32.@]
1217 * Combines two transformation matrices.
1220 * xformResult [O] Stores the result of combining the two matrices
1221 * xform1 [I] Specifies the first matrix to apply
1222 * xform2 [I] Specifies the second matrix to apply
1225 * The same matrix can be passed in for more than one of the parameters.
1229 * Failure: FALSE. Use GetLastError() to determine the cause.
1231 BOOL WINAPI CombineTransform( LPXFORM xformResult, const XFORM *xform1,
1232 const XFORM *xform2 )
1236 /* Check for illegal parameters */
1237 if (!xformResult || !xform1 || !xform2)
1240 /* Create the result in a temporary XFORM, since xformResult may be
1241 * equal to xform1 or xform2 */
1242 xformTemp.eM11 = xform1->eM11 * xform2->eM11 +
1243 xform1->eM12 * xform2->eM21;
1244 xformTemp.eM12 = xform1->eM11 * xform2->eM12 +
1245 xform1->eM12 * xform2->eM22;
1246 xformTemp.eM21 = xform1->eM21 * xform2->eM11 +
1247 xform1->eM22 * xform2->eM21;
1248 xformTemp.eM22 = xform1->eM21 * xform2->eM12 +
1249 xform1->eM22 * xform2->eM22;
1250 xformTemp.eDx = xform1->eDx * xform2->eM11 +
1251 xform1->eDy * xform2->eM21 +
1253 xformTemp.eDy = xform1->eDx * xform2->eM12 +
1254 xform1->eDy * xform2->eM22 +
1257 /* Copy the result to xformResult */
1258 *xformResult = xformTemp;
1264 /***********************************************************************
1265 * SetDCHook (GDI32.@)
1267 * Note: this doesn't exist in Win32, we add it here because user32 needs it.
1269 BOOL WINAPI SetDCHook( HDC hdc, DCHOOKPROC hookProc, DWORD dwHookData )
1271 DC *dc = GDI_GetObjPtr( hdc, DC_MAGIC );
1273 if (!dc) return FALSE;
1275 if (!(dc->flags & DC_SAVED))
1277 dc->dwHookData = dwHookData;
1278 dc->hookThunk = hookProc;
1280 GDI_ReleaseObj( hdc );
1285 /* relay function to call the 16-bit DC hook proc */
1286 static BOOL16 WINAPI call_dc_hook16( HDC16 hdc16, WORD code, DWORD data, LPARAM lParam )
1290 FARPROC16 proc = NULL;
1291 HDC hdc = HDC_32( hdc16 );
1292 DC *dc = DC_GetDCPtr( hdc );
1294 if (!dc) return FALSE;
1295 proc = dc->hookProc;
1296 GDI_ReleaseObj( hdc );
1297 if (!proc) return FALSE;
1300 args[3] = HIWORD(data);
1301 args[2] = LOWORD(data);
1302 args[1] = HIWORD(lParam);
1303 args[0] = LOWORD(lParam);
1304 WOWCallback16Ex( (DWORD)proc, WCB16_PASCAL, sizeof(args), args, &ret );
1308 /***********************************************************************
1309 * SetDCHook (GDI.190)
1311 BOOL16 WINAPI SetDCHook16( HDC16 hdc16, FARPROC16 hookProc, DWORD dwHookData )
1313 HDC hdc = HDC_32( hdc16 );
1314 DC *dc = DC_GetDCPtr( hdc );
1315 if (!dc) return FALSE;
1317 dc->hookProc = hookProc;
1318 GDI_ReleaseObj( hdc );
1319 return SetDCHook( hdc, call_dc_hook16, dwHookData );
1323 /***********************************************************************
1324 * GetDCHook (GDI.191)
1326 DWORD WINAPI GetDCHook16( HDC16 hdc16, FARPROC16 *phookProc )
1328 HDC hdc = HDC_32( hdc16 );
1329 DC *dc = DC_GetDCPtr( hdc );
1333 *phookProc = dc->hookProc;
1334 ret = dc->dwHookData;
1335 GDI_ReleaseObj( hdc );
1340 /***********************************************************************
1341 * SetHookFlags (GDI.192)
1343 WORD WINAPI SetHookFlags16(HDC16 hdc16, WORD flags)
1345 HDC hdc = HDC_32( hdc16 );
1346 DC *dc = DC_GetDCPtr( hdc );
1350 WORD wRet = dc->flags & DC_DIRTY;
1352 /* "Undocumented Windows" info is slightly confusing.
1355 TRACE("hDC %p, flags %04x\n",hdc,flags);
1357 if( flags & DCHF_INVALIDATEVISRGN )
1358 dc->flags |= DC_DIRTY;
1359 else if( flags & DCHF_VALIDATEVISRGN || !flags )
1360 dc->flags &= ~DC_DIRTY;
1361 GDI_ReleaseObj( hdc );
1367 /***********************************************************************
1368 * SetICMMode (GDI32.@)
1370 INT WINAPI SetICMMode(HDC hdc, INT iEnableICM)
1372 /*FIXME Asuming that ICM is always off, and cannot be turned on */
1373 if (iEnableICM == ICM_OFF) return ICM_OFF;
1374 if (iEnableICM == ICM_ON) return 0;
1375 if (iEnableICM == ICM_QUERY) return ICM_OFF;
1379 /***********************************************************************
1380 * GetDeviceGammaRamp (GDI32.@)
1382 BOOL WINAPI GetDeviceGammaRamp(HDC hDC, LPVOID ptr)
1385 DC *dc = DC_GetDCPtr( hDC );
1389 if (dc->funcs->pGetDeviceGammaRamp)
1390 ret = dc->funcs->pGetDeviceGammaRamp(dc->physDev, ptr);
1391 GDI_ReleaseObj( hDC );
1396 /***********************************************************************
1397 * SetDeviceGammaRamp (GDI32.@)
1399 BOOL WINAPI SetDeviceGammaRamp(HDC hDC, LPVOID ptr)
1402 DC *dc = DC_GetDCPtr( hDC );
1406 if (dc->funcs->pSetDeviceGammaRamp)
1407 ret = dc->funcs->pSetDeviceGammaRamp(dc->physDev, ptr);
1408 GDI_ReleaseObj( hDC );
1413 /***********************************************************************
1414 * GetColorSpace (GDI32.@)
1416 HCOLORSPACE WINAPI GetColorSpace(HDC hdc)
1418 /*FIXME Need to to whatever GetColorSpace actually does */
1422 /***********************************************************************
1423 * CreateColorSpaceA (GDI32.@)
1425 HCOLORSPACE WINAPI CreateColorSpaceA( LPLOGCOLORSPACEA lpLogColorSpace )
1431 /***********************************************************************
1432 * CreateColorSpaceW (GDI32.@)
1434 HCOLORSPACE WINAPI CreateColorSpaceW( LPLOGCOLORSPACEW lpLogColorSpace )
1440 /***********************************************************************
1441 * DeleteColorSpace (GDI32.@)
1443 BOOL WINAPI DeleteColorSpace( HCOLORSPACE hColorSpace )
1450 /***********************************************************************
1451 * SetColorSpace (GDI32.@)
1453 HCOLORSPACE WINAPI SetColorSpace( HDC hDC, HCOLORSPACE hColorSpace )
1460 /***********************************************************************
1461 * GetBoundsRect (GDI32.@)
1463 UINT WINAPI GetBoundsRect(HDC hdc, LPRECT rect, UINT flags)
1466 DC *dc = DC_GetDCPtr( hdc );
1468 if ( !dc ) return 0;
1470 if (rect) *rect = dc->BoundsRect;
1472 ret = ((dc->flags & DC_BOUNDS_SET) ? DCB_SET : DCB_RESET);
1474 if (flags & DCB_RESET)
1476 dc->BoundsRect.left = 0;
1477 dc->BoundsRect.top = 0;
1478 dc->BoundsRect.right = 0;
1479 dc->BoundsRect.bottom = 0;
1480 dc->flags &= ~DC_BOUNDS_SET;
1482 GDI_ReleaseObj( hdc );
1487 /***********************************************************************
1488 * SetBoundsRect (GDI32.@)
1490 UINT WINAPI SetBoundsRect(HDC hdc, const RECT* rect, UINT flags)
1495 if ((flags & DCB_ENABLE) && (flags & DCB_DISABLE)) return 0;
1496 if (!(dc = DC_GetDCPtr( hdc ))) return 0;
1498 ret = ((dc->flags & DC_BOUNDS_ENABLE) ? DCB_ENABLE : DCB_DISABLE) |
1499 ((dc->flags & DC_BOUNDS_SET) ? DCB_SET : DCB_RESET);
1501 if (flags & DCB_RESET)
1503 dc->BoundsRect.left = 0;
1504 dc->BoundsRect.top = 0;
1505 dc->BoundsRect.right = 0;
1506 dc->BoundsRect.bottom = 0;
1507 dc->flags &= ~DC_BOUNDS_SET;
1510 if ((flags & DCB_ACCUMULATE) && rect && rect->left < rect->right && rect->top < rect->bottom)
1512 if (dc->flags & DC_BOUNDS_SET)
1514 dc->BoundsRect.left = min( dc->BoundsRect.left, rect->left );
1515 dc->BoundsRect.top = min( dc->BoundsRect.top, rect->top );
1516 dc->BoundsRect.right = max( dc->BoundsRect.right, rect->right );
1517 dc->BoundsRect.bottom = max( dc->BoundsRect.bottom, rect->bottom );
1521 dc->BoundsRect = *rect;
1522 dc->flags |= DC_BOUNDS_SET;
1526 if (flags & DCB_ENABLE) dc->flags |= DC_BOUNDS_ENABLE;
1527 if (flags & DCB_DISABLE) dc->flags &= ~DC_BOUNDS_ENABLE;
1529 GDI_ReleaseObj( hdc );
1534 /***********************************************************************
1535 * GetRelAbs (GDI32.@)
1537 INT WINAPI GetRelAbs( HDC hdc, DWORD dwIgnore )
1540 DC *dc = DC_GetDCPtr( hdc );
1541 if (dc) ret = dc->relAbsMode;
1542 GDI_ReleaseObj( hdc );
1549 /***********************************************************************
1550 * GetBkMode (GDI32.@)
1552 INT WINAPI GetBkMode( HDC hdc )
1555 DC * dc = DC_GetDCPtr( hdc );
1558 ret = dc->backgroundMode;
1559 GDI_ReleaseObj( hdc );
1565 /***********************************************************************
1566 * SetBkMode (GDI32.@)
1568 INT WINAPI SetBkMode( HDC hdc, INT mode )
1572 if ((mode <= 0) || (mode > BKMODE_LAST))
1574 SetLastError(ERROR_INVALID_PARAMETER);
1577 if (!(dc = DC_GetDCPtr( hdc ))) return 0;
1578 if (dc->funcs->pSetBkMode)
1579 ret = dc->funcs->pSetBkMode( dc->physDev, mode );
1582 ret = dc->backgroundMode;
1583 dc->backgroundMode = mode;
1585 GDI_ReleaseObj( hdc );
1590 /***********************************************************************
1593 INT WINAPI GetROP2( HDC hdc )
1596 DC * dc = DC_GetDCPtr( hdc );
1600 GDI_ReleaseObj( hdc );
1606 /***********************************************************************
1609 INT WINAPI SetROP2( HDC hdc, INT mode )
1613 if ((mode < R2_BLACK) || (mode > R2_WHITE))
1615 SetLastError(ERROR_INVALID_PARAMETER);
1618 if (!(dc = DC_GetDCPtr( hdc ))) return 0;
1619 if (dc->funcs->pSetROP2)
1620 ret = dc->funcs->pSetROP2( dc->physDev, mode );
1626 GDI_ReleaseObj( hdc );
1631 /***********************************************************************
1632 * SetRelAbs (GDI32.@)
1634 INT WINAPI SetRelAbs( HDC hdc, INT mode )
1638 if ((mode != ABSOLUTE) && (mode != RELATIVE))
1640 SetLastError(ERROR_INVALID_PARAMETER);
1643 if (!(dc = DC_GetDCPtr( hdc ))) return 0;
1644 if (dc->funcs->pSetRelAbs)
1645 ret = dc->funcs->pSetRelAbs( dc->physDev, mode );
1648 ret = dc->relAbsMode;
1649 dc->relAbsMode = mode;
1651 GDI_ReleaseObj( hdc );
1656 /***********************************************************************
1657 * GetPolyFillMode (GDI32.@)
1659 INT WINAPI GetPolyFillMode( HDC hdc )
1662 DC * dc = DC_GetDCPtr( hdc );
1665 ret = dc->polyFillMode;
1666 GDI_ReleaseObj( hdc );
1672 /***********************************************************************
1673 * SetPolyFillMode (GDI32.@)
1675 INT WINAPI SetPolyFillMode( HDC hdc, INT mode )
1679 if ((mode <= 0) || (mode > POLYFILL_LAST))
1681 SetLastError(ERROR_INVALID_PARAMETER);
1684 if (!(dc = DC_GetDCPtr( hdc ))) return 0;
1685 if (dc->funcs->pSetPolyFillMode)
1686 ret = dc->funcs->pSetPolyFillMode( dc->physDev, mode );
1689 ret = dc->polyFillMode;
1690 dc->polyFillMode = mode;
1692 GDI_ReleaseObj( hdc );
1697 /***********************************************************************
1698 * GetStretchBltMode (GDI32.@)
1700 INT WINAPI GetStretchBltMode( HDC hdc )
1703 DC * dc = DC_GetDCPtr( hdc );
1706 ret = dc->stretchBltMode;
1707 GDI_ReleaseObj( hdc );
1713 /***********************************************************************
1714 * SetStretchBltMode (GDI32.@)
1716 INT WINAPI SetStretchBltMode( HDC hdc, INT mode )
1720 if ((mode <= 0) || (mode > MAXSTRETCHBLTMODE))
1722 SetLastError(ERROR_INVALID_PARAMETER);
1725 if (!(dc = DC_GetDCPtr( hdc ))) return 0;
1726 if (dc->funcs->pSetStretchBltMode)
1727 ret = dc->funcs->pSetStretchBltMode( dc->physDev, mode );
1730 ret = dc->stretchBltMode;
1731 dc->stretchBltMode = mode;
1733 GDI_ReleaseObj( hdc );
1738 /***********************************************************************
1739 * GetMapMode (GDI32.@)
1741 INT WINAPI GetMapMode( HDC hdc )
1744 DC * dc = DC_GetDCPtr( hdc );
1748 GDI_ReleaseObj( hdc );
1754 /***********************************************************************
1755 * GetBrushOrgEx (GDI32.@)
1757 BOOL WINAPI GetBrushOrgEx( HDC hdc, LPPOINT pt )
1759 DC * dc = DC_GetDCPtr( hdc );
1760 if (!dc) return FALSE;
1761 pt->x = dc->brushOrgX;
1762 pt->y = dc->brushOrgY;
1763 GDI_ReleaseObj( hdc );
1768 /***********************************************************************
1769 * GetCurrentPositionEx (GDI32.@)
1771 BOOL WINAPI GetCurrentPositionEx( HDC hdc, LPPOINT pt )
1773 DC * dc = DC_GetDCPtr( hdc );
1774 if (!dc) return FALSE;
1775 pt->x = dc->CursPosX;
1776 pt->y = dc->CursPosY;
1777 GDI_ReleaseObj( hdc );
1782 /***********************************************************************
1783 * GetViewportExtEx (GDI32.@)
1785 BOOL WINAPI GetViewportExtEx( HDC hdc, LPSIZE size )
1787 DC * dc = DC_GetDCPtr( hdc );
1788 if (!dc) return FALSE;
1789 size->cx = dc->vportExtX;
1790 size->cy = dc->vportExtY;
1791 GDI_ReleaseObj( hdc );
1796 /***********************************************************************
1797 * GetViewportOrgEx (GDI32.@)
1799 BOOL WINAPI GetViewportOrgEx( HDC hdc, LPPOINT pt )
1801 DC * dc = DC_GetDCPtr( hdc );
1802 if (!dc) return FALSE;
1803 pt->x = dc->vportOrgX;
1804 pt->y = dc->vportOrgY;
1805 GDI_ReleaseObj( hdc );
1810 /***********************************************************************
1811 * GetWindowExtEx (GDI32.@)
1813 BOOL WINAPI GetWindowExtEx( HDC hdc, LPSIZE size )
1815 DC * dc = DC_GetDCPtr( hdc );
1816 if (!dc) return FALSE;
1817 size->cx = dc->wndExtX;
1818 size->cy = dc->wndExtY;
1819 GDI_ReleaseObj( hdc );
1824 /***********************************************************************
1825 * GetWindowOrgEx (GDI32.@)
1827 BOOL WINAPI GetWindowOrgEx( HDC hdc, LPPOINT pt )
1829 DC * dc = DC_GetDCPtr( hdc );
1830 if (!dc) return FALSE;
1831 pt->x = dc->wndOrgX;
1832 pt->y = dc->wndOrgY;
1833 GDI_ReleaseObj( hdc );
1838 /***********************************************************************
1839 * InquireVisRgn (GDI.131)
1841 HRGN16 WINAPI InquireVisRgn16( HDC16 hdc )
1844 DC * dc = DC_GetDCPtr( HDC_32(hdc) );
1847 ret = HRGN_16(dc->hVisRgn);
1848 GDI_ReleaseObj( HDC_32(hdc) );
1854 /***********************************************************************
1855 * GetClipRgn (GDI.173)
1857 HRGN16 WINAPI GetClipRgn16( HDC16 hdc )
1860 DC * dc = DC_GetDCPtr( HDC_32(hdc) );
1863 ret = HRGN_16(dc->hClipRgn);
1864 GDI_ReleaseObj( HDC_32(hdc) );
1870 /***********************************************************************
1871 * GetLayout (GDI32.@)
1873 * Gets left->right or right->left text layout flags of a dc.
1874 * win98 just returns 0 and sets ERROR_CALL_NOT_IMPLEMENTED so we do the same
1877 DWORD WINAPI GetLayout(HDC hdc)
1879 FIXME("(%p): stub\n", hdc);
1880 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1884 /***********************************************************************
1885 * SetLayout (GDI32.@)
1887 * Sets left->right or right->left text layout flags of a dc.
1888 * win98 just returns 0 and sets ERROR_CALL_NOT_IMPLEMENTED so we do the same
1891 DWORD WINAPI SetLayout(HDC hdc, DWORD layout)
1893 FIXME("(%p,%08lx): stub\n", hdc, layout);
1894 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1898 /***********************************************************************
1899 * GetDCBrushColor (GDI32.@)
1901 * Retrieves the current brush color for the specified device
1905 COLORREF WINAPI GetDCBrushColor(HDC hdc)
1908 COLORREF dcBrushColor = CLR_INVALID;
1910 TRACE("hdc(%p)\n", hdc);
1912 dc = DC_GetDCPtr( hdc );
1915 dcBrushColor = dc->dcBrushColor;
1916 GDI_ReleaseObj( hdc );
1919 return dcBrushColor;
1922 /***********************************************************************
1923 * SetDCBrushColor (GDI32.@)
1925 * Sets the current device context (DC) brush color to the specified
1926 * color value. If the device cannot represent the specified color
1927 * value, the color is set to the nearest physical color.
1930 COLORREF WINAPI SetDCBrushColor(HDC hdc, COLORREF crColor)
1933 COLORREF oldClr = CLR_INVALID;
1935 TRACE("hdc(%p) crColor(%08lx)\n", hdc, crColor);
1937 dc = DC_GetDCPtr( hdc );
1940 if (dc->funcs->pSetDCBrushColor)
1941 crColor = dc->funcs->pSetDCBrushColor( dc->physDev, crColor );
1942 else if (dc->hBrush == GetStockObject( DC_BRUSH ))
1944 /* If DC_BRUSH is selected, update driver pen color */
1945 HBRUSH hBrush = CreateSolidBrush( crColor );
1946 dc->funcs->pSelectBrush( dc->physDev, hBrush );
1947 DeleteObject( hBrush );
1950 if (crColor != CLR_INVALID)
1952 oldClr = dc->dcBrushColor;
1953 dc->dcBrushColor = crColor;
1956 GDI_ReleaseObj( hdc );
1962 /***********************************************************************
1963 * GetDCPenColor (GDI32.@)
1965 * Retrieves the current pen color for the specified device
1969 COLORREF WINAPI GetDCPenColor(HDC hdc)
1972 COLORREF dcPenColor = CLR_INVALID;
1974 TRACE("hdc(%p)\n", hdc);
1976 dc = DC_GetDCPtr( hdc );
1979 dcPenColor = dc->dcPenColor;
1980 GDI_ReleaseObj( hdc );
1986 /***********************************************************************
1987 * SetDCPenColor (GDI32.@)
1989 * Sets the current device context (DC) pen color to the specified
1990 * color value. If the device cannot represent the specified color
1991 * value, the color is set to the nearest physical color.
1994 COLORREF WINAPI SetDCPenColor(HDC hdc, COLORREF crColor)
1997 COLORREF oldClr = CLR_INVALID;
1999 TRACE("hdc(%p) crColor(%08lx)\n", hdc, crColor);
2001 dc = DC_GetDCPtr( hdc );
2004 if (dc->funcs->pSetDCPenColor)
2005 crColor = dc->funcs->pSetDCPenColor( dc->physDev, crColor );
2006 else if (dc->hPen == GetStockObject( DC_PEN ))
2008 /* If DC_PEN is selected, update the driver pen color */
2009 LOGPEN logpen = { PS_SOLID, { 0, 0 }, crColor };
2010 HPEN hPen = CreatePenIndirect( &logpen );
2011 dc->funcs->pSelectPen( dc->physDev, hPen );
2012 DeleteObject( hPen );
2015 if (crColor != CLR_INVALID)
2017 oldClr = dc->dcPenColor;
2018 dc->dcPenColor = crColor;
2021 GDI_ReleaseObj( hdc );
2027 /***********************************************************************
2028 * SetVirtualResolution (GDI32.@)
2030 * Undocumented on msdn. Called when PowerPoint XP saves a file.
2032 DWORD WINAPI SetVirtualResolution(HDC hdc, DWORD dw2, DWORD dw3, DWORD dw4, DWORD dw5)
2034 FIXME("(%p %08lx %08lx %08lx %08lx): stub!\n", hdc, dw2, dw3, dw4, dw5);