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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
33 #include "gdi_private.h"
34 #include "wine/unicode.h"
35 #include "wine/debug.h"
37 WINE_DEFAULT_DEBUG_CHANNEL(dc);
39 static const WCHAR displayW[] = { 'd','i','s','p','l','a','y',0 };
41 static BOOL DC_DeleteObject( HGDIOBJ handle );
43 static const struct gdi_obj_funcs dc_funcs =
45 NULL, /* pSelectObject */
46 NULL, /* pGetObjectA */
47 NULL, /* pGetObjectW */
48 NULL, /* pUnrealizeObject */
49 DC_DeleteObject /* pDeleteObject */
53 static inline DC *get_dc_obj( HDC hdc )
55 DC *dc = GDI_GetObjPtr( hdc, 0 );
58 if ((dc->header.type != OBJ_DC) &&
59 (dc->header.type != OBJ_MEMDC) &&
60 (dc->header.type != OBJ_METADC) &&
61 (dc->header.type != OBJ_ENHMETADC))
63 GDI_ReleaseObj( hdc );
64 SetLastError( ERROR_INVALID_HANDLE );
71 /***********************************************************************
74 DC *alloc_dc_ptr( WORD magic )
78 if (!(dc = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*dc) ))) return NULL;
80 dc->nulldrv.funcs = &null_driver;
81 dc->physDev = &dc->nulldrv;
82 dc->thread = GetCurrentThreadId();
88 dc->miterLimit = 10.0f; /* 10.0 is the default, from MSDN */
89 dc->hPen = GDI_inc_ref_count( GetStockObject( BLACK_PEN ));
90 dc->hBrush = GDI_inc_ref_count( GetStockObject( WHITE_BRUSH ));
91 dc->hFont = GDI_inc_ref_count( GetStockObject( SYSTEM_FONT ));
92 dc->hPalette = GetStockObject( DEFAULT_PALETTE );
93 dc->font_code_page = CP_ACP;
94 dc->ROPmode = R2_COPYPEN;
95 dc->polyFillMode = ALTERNATE;
96 dc->stretchBltMode = BLACKONWHITE;
97 dc->relAbsMode = ABSOLUTE;
98 dc->backgroundMode = OPAQUE;
99 dc->backgroundColor = RGB( 255, 255, 255 );
100 dc->dcBrushColor = RGB( 255, 255, 255 );
101 dc->dcPenColor = RGB( 0, 0, 0 );
102 dc->textColor = RGB( 0, 0, 0 );
103 dc->textAlign = TA_LEFT | TA_TOP | TA_NOUPDATECP;
104 dc->MapMode = MM_TEXT;
105 dc->GraphicsMode = GM_COMPATIBLE;
106 dc->ArcDirection = AD_COUNTERCLOCKWISE;
107 dc->xformWorld2Wnd.eM11 = 1.0f;
108 dc->xformWorld2Wnd.eM12 = 0.0f;
109 dc->xformWorld2Wnd.eM21 = 0.0f;
110 dc->xformWorld2Wnd.eM22 = 1.0f;
111 dc->xformWorld2Wnd.eDx = 0.0f;
112 dc->xformWorld2Wnd.eDy = 0.0f;
113 dc->xformWorld2Vport = dc->xformWorld2Wnd;
114 dc->xformVport2World = dc->xformWorld2Wnd;
115 dc->vport2WorldValid = TRUE;
117 if (!(dc->hSelf = alloc_gdi_handle( &dc->header, magic, &dc_funcs )))
119 HeapFree( GetProcessHeap(), 0, dc );
122 dc->nulldrv.hdc = dc->hSelf;
124 if (font_driver && !font_driver->pCreateDC( &dc->physDev, NULL, NULL, NULL, NULL ))
134 /***********************************************************************
137 static void free_dc_state( DC *dc )
139 if (dc->hClipRgn) DeleteObject( dc->hClipRgn );
140 if (dc->hMetaRgn) DeleteObject( dc->hMetaRgn );
141 if (dc->hVisRgn) DeleteObject( dc->hVisRgn );
142 if (dc->region) DeleteObject( dc->region );
143 if (dc->path) free_gdi_path( dc->path );
144 HeapFree( GetProcessHeap(), 0, dc );
148 /***********************************************************************
151 void free_dc_ptr( DC *dc )
153 assert( dc->refcount == 1 );
155 while (dc->physDev != &dc->nulldrv)
157 PHYSDEV physdev = pop_dc_driver( &dc->physDev );
158 physdev->funcs->pDeleteDC( physdev );
159 if (physdev == dc->dibdrv) dc->dibdrv = NULL;
161 if (dc->dibdrv) dc->dibdrv->funcs->pDeleteDC( dc->dibdrv );
162 free_gdi_handle( dc->hSelf );
167 /***********************************************************************
170 * Retrieve a DC pointer but release the GDI lock.
172 DC *get_dc_ptr( HDC hdc )
174 DC *dc = get_dc_obj( hdc );
175 if (!dc) return NULL;
177 if (!InterlockedCompareExchange( &dc->refcount, 1, 0 ))
179 dc->thread = GetCurrentThreadId();
181 else if (dc->thread != GetCurrentThreadId())
183 WARN( "dc %p belongs to thread %04x\n", hdc, dc->thread );
184 GDI_ReleaseObj( hdc );
187 else InterlockedIncrement( &dc->refcount );
189 GDI_ReleaseObj( hdc );
194 /***********************************************************************
197 void release_dc_ptr( DC *dc )
202 ref = InterlockedDecrement( &dc->refcount );
204 if (ref) dc->thread = GetCurrentThreadId(); /* we still own it */
208 /***********************************************************************
211 * Make sure the DC vis region is up to date.
212 * This function may call up to USER so the GDI lock should _not_
213 * be held when calling it.
215 void update_dc( DC *dc )
217 if (InterlockedExchange( &dc->dirty, 0 ) && dc->hookProc)
218 dc->hookProc( dc->hSelf, DCHC_INVALIDVISRGN, dc->dwHookData, 0 );
222 /***********************************************************************
225 static BOOL DC_DeleteObject( HGDIOBJ handle )
227 return DeleteDC( handle );
231 /***********************************************************************
234 * Setup device-specific DC values for a newly created DC.
236 void DC_InitDC( DC* dc )
238 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pRealizeDefaultPalette );
239 physdev->funcs->pRealizeDefaultPalette( physdev );
240 SetTextColor( dc->hSelf, dc->textColor );
241 SetBkColor( dc->hSelf, dc->backgroundColor );
242 SelectObject( dc->hSelf, dc->hPen );
243 SelectObject( dc->hSelf, dc->hBrush );
244 SelectObject( dc->hSelf, dc->hFont );
245 update_dc_clipping( dc );
246 SetVirtualResolution( dc->hSelf, 0, 0, 0, 0 );
250 /***********************************************************************
253 * Computes the inverse of the transformation xformSrc and stores it to
254 * xformDest. Returns TRUE if successful or FALSE if the xformSrc matrix
257 static BOOL DC_InvertXform( const XFORM *xformSrc, XFORM *xformDest )
261 determinant = xformSrc->eM11*xformSrc->eM22 -
262 xformSrc->eM12*xformSrc->eM21;
263 if (determinant > -1e-12 && determinant < 1e-12)
266 xformDest->eM11 = xformSrc->eM22 / determinant;
267 xformDest->eM12 = -xformSrc->eM12 / determinant;
268 xformDest->eM21 = -xformSrc->eM21 / determinant;
269 xformDest->eM22 = xformSrc->eM11 / determinant;
270 xformDest->eDx = -xformSrc->eDx * xformDest->eM11 -
271 xformSrc->eDy * xformDest->eM21;
272 xformDest->eDy = -xformSrc->eDx * xformDest->eM12 -
273 xformSrc->eDy * xformDest->eM22;
278 /* Construct a transformation to do the window-to-viewport conversion */
279 static void construct_window_to_viewport(DC *dc, XFORM *xform)
281 double scaleX, scaleY;
282 scaleX = (double)dc->vportExtX / (double)dc->wndExtX;
283 scaleY = (double)dc->vportExtY / (double)dc->wndExtY;
285 if (dc->layout & LAYOUT_RTL) scaleX = -scaleX;
286 xform->eM11 = scaleX;
289 xform->eM22 = scaleY;
290 xform->eDx = (double)dc->vportOrgX - scaleX * (double)dc->wndOrgX;
291 xform->eDy = (double)dc->vportOrgY - scaleY * (double)dc->wndOrgY;
292 if (dc->layout & LAYOUT_RTL) xform->eDx = dc->vis_rect.right - dc->vis_rect.left - 1 - xform->eDx;
295 /***********************************************************************
298 * Updates the xformWorld2Vport, xformVport2World and vport2WorldValid
299 * fields of the specified DC by creating a transformation that
300 * represents the current mapping mode and combining it with the DC's
301 * world transform. This function should be called whenever the
302 * parameters associated with the mapping mode (window and viewport
303 * extents and origins) or the world transform change.
305 void DC_UpdateXforms( DC *dc )
307 XFORM xformWnd2Vport, oldworld2vport;
309 construct_window_to_viewport(dc, &xformWnd2Vport);
311 oldworld2vport = dc->xformWorld2Vport;
312 /* Combine with the world transformation */
313 CombineTransform( &dc->xformWorld2Vport, &dc->xformWorld2Wnd,
316 /* Create inverse of world-to-viewport transformation */
317 dc->vport2WorldValid = DC_InvertXform( &dc->xformWorld2Vport,
318 &dc->xformVport2World );
320 /* Reselect the font and pen back into the dc so that the size
322 if (memcmp(&oldworld2vport, &dc->xformWorld2Vport, sizeof(oldworld2vport)) &&
323 !GdiIsMetaFileDC(dc->hSelf))
325 SelectObject(dc->hSelf, GetCurrentObject(dc->hSelf, OBJ_FONT));
326 SelectObject(dc->hSelf, GetCurrentObject(dc->hSelf, OBJ_PEN));
331 /***********************************************************************
334 INT nulldrv_SaveDC( PHYSDEV dev )
336 DC *newdc, *dc = get_nulldrv_dc( dev );
338 if (!(newdc = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*newdc )))) return 0;
339 newdc->flags = dc->flags;
340 newdc->layout = dc->layout;
341 newdc->hPen = dc->hPen;
342 newdc->hBrush = dc->hBrush;
343 newdc->hFont = dc->hFont;
344 newdc->hBitmap = dc->hBitmap;
345 newdc->hDevice = dc->hDevice;
346 newdc->hPalette = dc->hPalette;
347 newdc->ROPmode = dc->ROPmode;
348 newdc->polyFillMode = dc->polyFillMode;
349 newdc->stretchBltMode = dc->stretchBltMode;
350 newdc->relAbsMode = dc->relAbsMode;
351 newdc->backgroundMode = dc->backgroundMode;
352 newdc->backgroundColor = dc->backgroundColor;
353 newdc->textColor = dc->textColor;
354 newdc->dcBrushColor = dc->dcBrushColor;
355 newdc->dcPenColor = dc->dcPenColor;
356 newdc->brushOrgX = dc->brushOrgX;
357 newdc->brushOrgY = dc->brushOrgY;
358 newdc->mapperFlags = dc->mapperFlags;
359 newdc->textAlign = dc->textAlign;
360 newdc->charExtra = dc->charExtra;
361 newdc->breakExtra = dc->breakExtra;
362 newdc->breakRem = dc->breakRem;
363 newdc->MapMode = dc->MapMode;
364 newdc->GraphicsMode = dc->GraphicsMode;
365 newdc->CursPosX = dc->CursPosX;
366 newdc->CursPosY = dc->CursPosY;
367 newdc->ArcDirection = dc->ArcDirection;
368 newdc->xformWorld2Wnd = dc->xformWorld2Wnd;
369 newdc->xformWorld2Vport = dc->xformWorld2Vport;
370 newdc->xformVport2World = dc->xformVport2World;
371 newdc->vport2WorldValid = dc->vport2WorldValid;
372 newdc->wndOrgX = dc->wndOrgX;
373 newdc->wndOrgY = dc->wndOrgY;
374 newdc->wndExtX = dc->wndExtX;
375 newdc->wndExtY = dc->wndExtY;
376 newdc->vportOrgX = dc->vportOrgX;
377 newdc->vportOrgY = dc->vportOrgY;
378 newdc->vportExtX = dc->vportExtX;
379 newdc->vportExtY = dc->vportExtY;
380 newdc->virtual_res = dc->virtual_res;
381 newdc->virtual_size = dc->virtual_size;
382 newdc->BoundsRect = dc->BoundsRect;
383 newdc->gdiFont = dc->gdiFont;
385 /* Get/SetDCState() don't change hVisRgn field ("Undoc. Windows" p.559). */
389 newdc->hClipRgn = CreateRectRgn( 0, 0, 0, 0 );
390 CombineRgn( newdc->hClipRgn, dc->hClipRgn, 0, RGN_COPY );
394 newdc->hMetaRgn = CreateRectRgn( 0, 0, 0, 0 );
395 CombineRgn( newdc->hMetaRgn, dc->hMetaRgn, 0, RGN_COPY );
398 if (!PATH_SavePath( newdc, dc ))
400 release_dc_ptr( dc );
401 free_dc_state( newdc );
405 newdc->saved_dc = dc->saved_dc;
406 dc->saved_dc = newdc;
407 return ++dc->saveLevel;
411 /***********************************************************************
414 BOOL nulldrv_RestoreDC( PHYSDEV dev, INT level )
416 DC *dcs, *first_dcs, *dc = get_nulldrv_dc( dev );
419 /* find the state level to restore */
421 if (abs(level) > dc->saveLevel || level == 0) return FALSE;
422 if (level < 0) level = dc->saveLevel + level + 1;
423 first_dcs = dc->saved_dc;
424 for (dcs = first_dcs, save_level = dc->saveLevel; save_level > level; save_level--)
427 /* restore the state */
429 if (!PATH_RestorePath( dc, dcs )) return FALSE;
431 dc->flags = dcs->flags;
432 dc->layout = dcs->layout;
433 dc->hDevice = dcs->hDevice;
434 dc->ROPmode = dcs->ROPmode;
435 dc->polyFillMode = dcs->polyFillMode;
436 dc->stretchBltMode = dcs->stretchBltMode;
437 dc->relAbsMode = dcs->relAbsMode;
438 dc->backgroundMode = dcs->backgroundMode;
439 dc->backgroundColor = dcs->backgroundColor;
440 dc->textColor = dcs->textColor;
441 dc->dcBrushColor = dcs->dcBrushColor;
442 dc->dcPenColor = dcs->dcPenColor;
443 dc->brushOrgX = dcs->brushOrgX;
444 dc->brushOrgY = dcs->brushOrgY;
445 dc->mapperFlags = dcs->mapperFlags;
446 dc->textAlign = dcs->textAlign;
447 dc->charExtra = dcs->charExtra;
448 dc->breakExtra = dcs->breakExtra;
449 dc->breakRem = dcs->breakRem;
450 dc->MapMode = dcs->MapMode;
451 dc->GraphicsMode = dcs->GraphicsMode;
452 dc->CursPosX = dcs->CursPosX;
453 dc->CursPosY = dcs->CursPosY;
454 dc->ArcDirection = dcs->ArcDirection;
455 dc->xformWorld2Wnd = dcs->xformWorld2Wnd;
456 dc->xformWorld2Vport = dcs->xformWorld2Vport;
457 dc->xformVport2World = dcs->xformVport2World;
458 dc->vport2WorldValid = dcs->vport2WorldValid;
459 dc->BoundsRect = dcs->BoundsRect;
461 dc->wndOrgX = dcs->wndOrgX;
462 dc->wndOrgY = dcs->wndOrgY;
463 dc->wndExtX = dcs->wndExtX;
464 dc->wndExtY = dcs->wndExtY;
465 dc->vportOrgX = dcs->vportOrgX;
466 dc->vportOrgY = dcs->vportOrgY;
467 dc->vportExtX = dcs->vportExtX;
468 dc->vportExtY = dcs->vportExtY;
469 dc->virtual_res = dcs->virtual_res;
470 dc->virtual_size = dcs->virtual_size;
474 if (!dc->hClipRgn) dc->hClipRgn = CreateRectRgn( 0, 0, 0, 0 );
475 CombineRgn( dc->hClipRgn, dcs->hClipRgn, 0, RGN_COPY );
479 if (dc->hClipRgn) DeleteObject( dc->hClipRgn );
484 if (!dc->hMetaRgn) dc->hMetaRgn = CreateRectRgn( 0, 0, 0, 0 );
485 CombineRgn( dc->hMetaRgn, dcs->hMetaRgn, 0, RGN_COPY );
489 if (dc->hMetaRgn) DeleteObject( dc->hMetaRgn );
492 DC_UpdateXforms( dc );
493 update_dc_clipping( dc );
495 SelectObject( dev->hdc, dcs->hBitmap );
496 SelectObject( dev->hdc, dcs->hBrush );
497 SelectObject( dev->hdc, dcs->hFont );
498 SelectObject( dev->hdc, dcs->hPen );
499 SetBkColor( dev->hdc, dcs->backgroundColor);
500 SetTextColor( dev->hdc, dcs->textColor);
501 GDISelectPalette( dev->hdc, dcs->hPalette, FALSE );
503 dc->saved_dc = dcs->saved_dc;
505 dc->saveLevel = save_level - 1;
507 /* now destroy all the saved DCs */
511 DC *next = first_dcs->saved_dc;
512 free_dc_state( first_dcs );
519 /***********************************************************************
522 INT WINAPI SaveDC( HDC hdc )
527 if ((dc = get_dc_ptr( hdc )))
529 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSaveDC );
530 ret = physdev->funcs->pSaveDC( physdev );
531 release_dc_ptr( dc );
537 /***********************************************************************
538 * RestoreDC (GDI32.@)
540 BOOL WINAPI RestoreDC( HDC hdc, INT level )
543 BOOL success = FALSE;
545 TRACE("%p %d\n", hdc, level );
546 if ((dc = get_dc_ptr( hdc )))
548 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pRestoreDC );
550 success = physdev->funcs->pRestoreDC( physdev, level );
551 release_dc_ptr( dc );
557 /***********************************************************************
558 * CreateDCW (GDI32.@)
560 HDC WINAPI CreateDCW( LPCWSTR driver, LPCWSTR device, LPCWSTR output,
561 const DEVMODEW *initData )
565 const struct gdi_dc_funcs *funcs;
570 if (!device || !DRIVER_GetDriverName( device, buf, 300 ))
574 ERR( "no device found for %s\n", debugstr_w(device) );
577 strcpyW(buf, driver);
580 if (!(funcs = DRIVER_load_driver( buf )))
582 ERR( "no driver found for %s\n", debugstr_w(buf) );
585 if (!(dc = alloc_dc_ptr( OBJ_DC ))) return 0;
588 dc->hBitmap = GDI_inc_ref_count( GetStockObject( DEFAULT_BITMAP ));
590 TRACE("(driver=%s, device=%s, output=%s): returning %p\n",
591 debugstr_w(driver), debugstr_w(device), debugstr_w(output), dc->hSelf );
593 if (funcs->pCreateDC)
595 if (!funcs->pCreateDC( &dc->physDev, buf, device, output, initData ))
597 WARN("creation aborted by device\n" );
603 dc->vis_rect.left = 0;
604 dc->vis_rect.top = 0;
605 dc->vis_rect.right = GetDeviceCaps( hdc, DESKTOPHORZRES );
606 dc->vis_rect.bottom = GetDeviceCaps( hdc, DESKTOPVERTRES );
609 release_dc_ptr( dc );
614 /***********************************************************************
615 * CreateDCA (GDI32.@)
617 HDC WINAPI CreateDCA( LPCSTR driver, LPCSTR device, LPCSTR output,
618 const DEVMODEA *initData )
620 UNICODE_STRING driverW, deviceW, outputW;
624 if (driver) RtlCreateUnicodeStringFromAsciiz(&driverW, driver);
625 else driverW.Buffer = NULL;
627 if (device) RtlCreateUnicodeStringFromAsciiz(&deviceW, device);
628 else deviceW.Buffer = NULL;
630 if (output) RtlCreateUnicodeStringFromAsciiz(&outputW, output);
631 else outputW.Buffer = NULL;
636 /* don't convert initData for DISPLAY driver, it's not used */
637 if (!driverW.Buffer || strcmpiW( driverW.Buffer, displayW ))
638 initDataW = GdiConvertToDevmodeW(initData);
641 ret = CreateDCW( driverW.Buffer, deviceW.Buffer, outputW.Buffer, initDataW );
643 RtlFreeUnicodeString(&driverW);
644 RtlFreeUnicodeString(&deviceW);
645 RtlFreeUnicodeString(&outputW);
646 HeapFree(GetProcessHeap(), 0, initDataW);
651 /***********************************************************************
652 * CreateICA (GDI32.@)
654 HDC WINAPI CreateICA( LPCSTR driver, LPCSTR device, LPCSTR output,
655 const DEVMODEA* initData )
657 /* Nothing special yet for ICs */
658 return CreateDCA( driver, device, output, initData );
662 /***********************************************************************
663 * CreateICW (GDI32.@)
665 HDC WINAPI CreateICW( LPCWSTR driver, LPCWSTR device, LPCWSTR output,
666 const DEVMODEW* initData )
668 /* Nothing special yet for ICs */
669 return CreateDCW( driver, device, output, initData );
673 /***********************************************************************
674 * CreateCompatibleDC (GDI32.@)
676 HDC WINAPI CreateCompatibleDC( HDC hdc )
680 const struct gdi_dc_funcs *funcs = &null_driver;
681 PHYSDEV physDev = NULL;
687 if (!(origDC = get_dc_ptr( hdc ))) return 0;
688 physDev = GET_DC_PHYSDEV( origDC, pCreateCompatibleDC );
689 funcs = physDev->funcs;
690 release_dc_ptr( origDC );
693 if (!(dc = alloc_dc_ptr( OBJ_MEMDC ))) return 0;
695 TRACE("(%p): returning %p\n", hdc, dc->hSelf );
697 dc->hBitmap = GDI_inc_ref_count( GetStockObject( DEFAULT_BITMAP ));
698 dc->vis_rect.left = 0;
699 dc->vis_rect.top = 0;
700 dc->vis_rect.right = 1;
701 dc->vis_rect.bottom = 1;
705 if (!funcs->pCreateCompatibleDC( physDev, &dc->physDev ))
707 WARN("creation aborted by device\n");
712 release_dc_ptr( dc );
717 /***********************************************************************
720 BOOL WINAPI DeleteDC( HDC hdc )
728 if (!(dc = get_dc_ptr( hdc ))) return FALSE;
729 if (dc->refcount != 1)
731 FIXME( "not deleting busy DC %p refcount %u\n", dc->hSelf, dc->refcount );
732 release_dc_ptr( dc );
736 /* Call hook procedure to check whether is it OK to delete this DC */
737 if (dc->hookProc && !dc->hookProc( hdc, DCHC_DELETEDC, dc->dwHookData, 0 ))
739 release_dc_ptr( dc );
743 while (dc->saveLevel)
745 DC *dcs = dc->saved_dc;
746 dc->saved_dc = dcs->saved_dc;
748 free_dc_state( dcs );
752 SelectObject( hdc, GetStockObject(BLACK_PEN) );
753 SelectObject( hdc, GetStockObject(WHITE_BRUSH) );
754 SelectObject( hdc, GetStockObject(SYSTEM_FONT) );
755 SelectObject( hdc, GetStockObject(DEFAULT_BITMAP) );
762 /***********************************************************************
765 HDC WINAPI ResetDCW( HDC hdc, const DEVMODEW *devmode )
770 if ((dc = get_dc_ptr( hdc )))
772 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pResetDC );
773 ret = physdev->funcs->pResetDC( physdev, devmode );
774 if (ret) /* reset the visible region */
777 dc->vis_rect.left = 0;
778 dc->vis_rect.top = 0;
779 dc->vis_rect.right = GetDeviceCaps( hdc, DESKTOPHORZRES );
780 dc->vis_rect.bottom = GetDeviceCaps( hdc, DESKTOPVERTRES );
781 if (dc->hVisRgn) DeleteObject( dc->hVisRgn );
783 update_dc_clipping( dc );
785 release_dc_ptr( dc );
791 /***********************************************************************
794 HDC WINAPI ResetDCA( HDC hdc, const DEVMODEA *devmode )
799 if (devmode) devmodeW = GdiConvertToDevmodeW(devmode);
800 else devmodeW = NULL;
802 ret = ResetDCW(hdc, devmodeW);
804 HeapFree(GetProcessHeap(), 0, devmodeW);
809 /***********************************************************************
810 * GetDeviceCaps (GDI32.@)
812 INT WINAPI GetDeviceCaps( HDC hdc, INT cap )
817 if ((dc = get_dc_ptr( hdc )))
819 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pGetDeviceCaps );
820 ret = physdev->funcs->pGetDeviceCaps( physdev, cap );
821 release_dc_ptr( dc );
827 /***********************************************************************
828 * GetBkColor (GDI32.@)
830 COLORREF WINAPI GetBkColor( HDC hdc )
833 DC * dc = get_dc_ptr( hdc );
836 ret = dc->backgroundColor;
837 release_dc_ptr( dc );
843 /***********************************************************************
844 * SetBkColor (GDI32.@)
846 COLORREF WINAPI SetBkColor( HDC hdc, COLORREF color )
848 COLORREF ret = CLR_INVALID;
849 DC * dc = get_dc_ptr( hdc );
851 TRACE("hdc=%p color=0x%08x\n", hdc, color);
855 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetBkColor );
856 color = physdev->funcs->pSetBkColor( physdev, color );
857 if (color != CLR_INVALID)
859 ret = dc->backgroundColor;
860 dc->backgroundColor = color;
862 release_dc_ptr( dc );
868 /***********************************************************************
869 * GetTextColor (GDI32.@)
871 COLORREF WINAPI GetTextColor( HDC hdc )
874 DC * dc = get_dc_ptr( hdc );
878 release_dc_ptr( dc );
884 /***********************************************************************
885 * SetTextColor (GDI32.@)
887 COLORREF WINAPI SetTextColor( HDC hdc, COLORREF color )
889 COLORREF ret = CLR_INVALID;
890 DC * dc = get_dc_ptr( hdc );
892 TRACE(" hdc=%p color=0x%08x\n", hdc, color);
896 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetTextColor );
897 color = physdev->funcs->pSetTextColor( physdev, color );
898 if (color != CLR_INVALID)
901 dc->textColor = color;
903 release_dc_ptr( dc );
909 /***********************************************************************
910 * GetTextAlign (GDI32.@)
912 UINT WINAPI GetTextAlign( HDC hdc )
915 DC * dc = get_dc_ptr( hdc );
919 release_dc_ptr( dc );
925 /***********************************************************************
926 * SetTextAlign (GDI32.@)
928 UINT WINAPI SetTextAlign( HDC hdc, UINT align )
930 UINT ret = GDI_ERROR;
931 DC *dc = get_dc_ptr( hdc );
933 TRACE("hdc=%p align=%d\n", hdc, align);
937 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetTextAlign );
938 align = physdev->funcs->pSetTextAlign( physdev, align );
939 if (align != GDI_ERROR)
942 dc->textAlign = align;
944 release_dc_ptr( dc );
949 /***********************************************************************
950 * GetDCOrgEx (GDI32.@)
952 BOOL WINAPI GetDCOrgEx( HDC hDC, LPPOINT lpp )
956 if (!lpp) return FALSE;
957 if (!(dc = get_dc_ptr( hDC ))) return FALSE;
958 lpp->x = dc->vis_rect.left;
959 lpp->y = dc->vis_rect.top;
960 release_dc_ptr( dc );
965 /***********************************************************************
966 * GetGraphicsMode (GDI32.@)
968 INT WINAPI GetGraphicsMode( HDC hdc )
971 DC * dc = get_dc_ptr( hdc );
974 ret = dc->GraphicsMode;
975 release_dc_ptr( dc );
981 /***********************************************************************
982 * SetGraphicsMode (GDI32.@)
984 INT WINAPI SetGraphicsMode( HDC hdc, INT mode )
987 DC *dc = get_dc_ptr( hdc );
989 /* One would think that setting the graphics mode to GM_COMPATIBLE
990 * would also reset the world transformation matrix to the unity
991 * matrix. However, in Windows, this is not the case. This doesn't
992 * make a lot of sense to me, but that's the way it is.
995 if ((mode > 0) && (mode <= GM_LAST))
997 ret = dc->GraphicsMode;
998 dc->GraphicsMode = mode;
1000 release_dc_ptr( dc );
1005 /***********************************************************************
1006 * GetArcDirection (GDI32.@)
1008 INT WINAPI GetArcDirection( HDC hdc )
1011 DC * dc = get_dc_ptr( hdc );
1014 ret = dc->ArcDirection;
1015 release_dc_ptr( dc );
1021 /***********************************************************************
1022 * SetArcDirection (GDI32.@)
1024 INT WINAPI SetArcDirection( HDC hdc, INT dir )
1029 if (dir != AD_COUNTERCLOCKWISE && dir != AD_CLOCKWISE)
1031 SetLastError(ERROR_INVALID_PARAMETER);
1035 if ((dc = get_dc_ptr( hdc )))
1037 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetArcDirection );
1038 dir = physdev->funcs->pSetArcDirection( physdev, dir );
1041 ret = dc->ArcDirection;
1042 dc->ArcDirection = dir;
1044 release_dc_ptr( dc );
1050 /***********************************************************************
1051 * GetWorldTransform (GDI32.@)
1053 BOOL WINAPI GetWorldTransform( HDC hdc, LPXFORM xform )
1056 if (!xform) return FALSE;
1057 if (!(dc = get_dc_ptr( hdc ))) return FALSE;
1058 *xform = dc->xformWorld2Wnd;
1059 release_dc_ptr( dc );
1064 /***********************************************************************
1065 * GetTransform (GDI32.@)
1069 * Returns one of the co-ordinate space transforms
1072 * hdc [I] Device context.
1073 * which [I] Which xform to return:
1074 * 0x203 World -> Page transform (that set by SetWorldTransform).
1075 * 0x304 Page -> Device transform (the mapping mode transform).
1076 * 0x204 World -> Device transform (the combination of the above two).
1077 * 0x402 Device -> World transform (the inversion of the above).
1078 * xform [O] The xform.
1081 BOOL WINAPI GetTransform( HDC hdc, DWORD which, XFORM *xform )
1084 DC *dc = get_dc_ptr( hdc );
1085 if (!dc) return FALSE;
1090 *xform = dc->xformWorld2Wnd;
1094 construct_window_to_viewport(dc, xform);
1098 *xform = dc->xformWorld2Vport;
1102 *xform = dc->xformVport2World;
1106 FIXME("Unknown code %x\n", which);
1110 release_dc_ptr( dc );
1115 /****************************************************************************
1116 * CombineTransform [GDI32.@]
1117 * Combines two transformation matrices.
1120 * xformResult [O] Stores the result of combining the two matrices
1121 * xform1 [I] Specifies the first matrix to apply
1122 * xform2 [I] Specifies the second matrix to apply
1125 * The same matrix can be passed in for more than one of the parameters.
1129 * Failure: FALSE. Use GetLastError() to determine the cause.
1131 BOOL WINAPI CombineTransform( LPXFORM xformResult, const XFORM *xform1,
1132 const XFORM *xform2 )
1136 /* Check for illegal parameters */
1137 if (!xformResult || !xform1 || !xform2)
1140 /* Create the result in a temporary XFORM, since xformResult may be
1141 * equal to xform1 or xform2 */
1142 xformTemp.eM11 = xform1->eM11 * xform2->eM11 +
1143 xform1->eM12 * xform2->eM21;
1144 xformTemp.eM12 = xform1->eM11 * xform2->eM12 +
1145 xform1->eM12 * xform2->eM22;
1146 xformTemp.eM21 = xform1->eM21 * xform2->eM11 +
1147 xform1->eM22 * xform2->eM21;
1148 xformTemp.eM22 = xform1->eM21 * xform2->eM12 +
1149 xform1->eM22 * xform2->eM22;
1150 xformTemp.eDx = xform1->eDx * xform2->eM11 +
1151 xform1->eDy * xform2->eM21 +
1153 xformTemp.eDy = xform1->eDx * xform2->eM12 +
1154 xform1->eDy * xform2->eM22 +
1157 /* Copy the result to xformResult */
1158 *xformResult = xformTemp;
1164 /***********************************************************************
1165 * SetDCHook (GDI32.@)
1167 * Note: this doesn't exist in Win32, we add it here because user32 needs it.
1169 BOOL WINAPI SetDCHook( HDC hdc, DCHOOKPROC hookProc, DWORD_PTR dwHookData )
1171 DC *dc = get_dc_ptr( hdc );
1173 if (!dc) return FALSE;
1175 dc->dwHookData = dwHookData;
1176 dc->hookProc = hookProc;
1177 release_dc_ptr( dc );
1182 /***********************************************************************
1183 * GetDCHook (GDI32.@)
1185 * Note: this doesn't exist in Win32, we add it here because user32 needs it.
1187 DWORD_PTR WINAPI GetDCHook( HDC hdc, DCHOOKPROC *proc )
1189 DC *dc = get_dc_ptr( hdc );
1193 if (proc) *proc = dc->hookProc;
1194 ret = dc->dwHookData;
1195 release_dc_ptr( dc );
1200 /***********************************************************************
1201 * SetHookFlags (GDI32.@)
1203 * Note: this doesn't exist in Win32, we add it here because user32 needs it.
1205 WORD WINAPI SetHookFlags( HDC hdc, WORD flags )
1207 DC *dc = get_dc_obj( hdc ); /* not get_dc_ptr, this needs to work from any thread */
1212 /* "Undocumented Windows" info is slightly confusing. */
1214 TRACE("hDC %p, flags %04x\n",hdc,flags);
1216 if (flags & DCHF_INVALIDATEVISRGN)
1217 ret = InterlockedExchange( &dc->dirty, 1 );
1218 else if (flags & DCHF_VALIDATEVISRGN || !flags)
1219 ret = InterlockedExchange( &dc->dirty, 0 );
1221 GDI_ReleaseObj( hdc );
1225 /***********************************************************************
1226 * SetICMMode (GDI32.@)
1228 INT WINAPI SetICMMode(HDC hdc, INT iEnableICM)
1230 /*FIXME: Assume that ICM is always off, and cannot be turned on */
1231 if (iEnableICM == ICM_OFF) return ICM_OFF;
1232 if (iEnableICM == ICM_ON) return 0;
1233 if (iEnableICM == ICM_QUERY) return ICM_OFF;
1237 /***********************************************************************
1238 * GetDeviceGammaRamp (GDI32.@)
1240 BOOL WINAPI GetDeviceGammaRamp(HDC hDC, LPVOID ptr)
1243 DC *dc = get_dc_ptr( hDC );
1245 TRACE("%p, %p\n", hDC, ptr);
1248 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pGetDeviceGammaRamp );
1249 ret = physdev->funcs->pGetDeviceGammaRamp( physdev, ptr );
1250 release_dc_ptr( dc );
1255 /***********************************************************************
1256 * SetDeviceGammaRamp (GDI32.@)
1258 BOOL WINAPI SetDeviceGammaRamp(HDC hDC, LPVOID ptr)
1261 DC *dc = get_dc_ptr( hDC );
1263 TRACE("%p, %p\n", hDC, ptr);
1266 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetDeviceGammaRamp );
1267 ret = physdev->funcs->pSetDeviceGammaRamp( physdev, ptr );
1268 release_dc_ptr( dc );
1273 /***********************************************************************
1274 * GetColorSpace (GDI32.@)
1276 HCOLORSPACE WINAPI GetColorSpace(HDC hdc)
1278 /*FIXME Need to do whatever GetColorSpace actually does */
1282 /***********************************************************************
1283 * CreateColorSpaceA (GDI32.@)
1285 HCOLORSPACE WINAPI CreateColorSpaceA( LPLOGCOLORSPACEA lpLogColorSpace )
1291 /***********************************************************************
1292 * CreateColorSpaceW (GDI32.@)
1294 HCOLORSPACE WINAPI CreateColorSpaceW( LPLOGCOLORSPACEW lpLogColorSpace )
1300 /***********************************************************************
1301 * DeleteColorSpace (GDI32.@)
1303 BOOL WINAPI DeleteColorSpace( HCOLORSPACE hColorSpace )
1310 /***********************************************************************
1311 * SetColorSpace (GDI32.@)
1313 HCOLORSPACE WINAPI SetColorSpace( HDC hDC, HCOLORSPACE hColorSpace )
1320 /***********************************************************************
1321 * GetBoundsRect (GDI32.@)
1323 UINT WINAPI GetBoundsRect(HDC hdc, LPRECT rect, UINT flags)
1326 DC *dc = get_dc_ptr( hdc );
1328 if ( !dc ) return 0;
1332 *rect = dc->BoundsRect;
1333 ret = is_rect_empty( rect ) ? DCB_RESET : DCB_SET;
1334 DPtoLP( hdc, (POINT *)rect, 2 );
1336 if (flags & DCB_RESET)
1338 dc->BoundsRect.left = 0;
1339 dc->BoundsRect.top = 0;
1340 dc->BoundsRect.right = 0;
1341 dc->BoundsRect.bottom = 0;
1343 release_dc_ptr( dc );
1348 /***********************************************************************
1349 * SetBoundsRect (GDI32.@)
1351 UINT WINAPI SetBoundsRect(HDC hdc, const RECT* rect, UINT flags)
1356 if ((flags & DCB_ENABLE) && (flags & DCB_DISABLE)) return 0;
1357 if (!(dc = get_dc_ptr( hdc ))) return 0;
1359 ret = ((dc->flags & DC_BOUNDS_ENABLE) ? DCB_ENABLE : DCB_DISABLE) |
1360 (is_rect_empty( &dc->BoundsRect ) ? DCB_RESET : DCB_SET);
1362 if (flags & DCB_RESET)
1364 dc->BoundsRect.left = 0;
1365 dc->BoundsRect.top = 0;
1366 dc->BoundsRect.right = 0;
1367 dc->BoundsRect.bottom = 0;
1370 if ((flags & DCB_ACCUMULATE) && rect)
1374 LPtoDP( hdc, (POINT *)&rc, 2 );
1375 if (!is_rect_empty( &rc ))
1377 if (!is_rect_empty( &dc->BoundsRect))
1379 dc->BoundsRect.left = min( dc->BoundsRect.left, rc.left );
1380 dc->BoundsRect.top = min( dc->BoundsRect.top, rc.top );
1381 dc->BoundsRect.right = max( dc->BoundsRect.right, rc.right );
1382 dc->BoundsRect.bottom = max( dc->BoundsRect.bottom, rc.bottom );
1384 else dc->BoundsRect = rc;
1388 if (flags & DCB_ENABLE) dc->flags |= DC_BOUNDS_ENABLE;
1389 if (flags & DCB_DISABLE) dc->flags &= ~DC_BOUNDS_ENABLE;
1391 release_dc_ptr( dc );
1396 /***********************************************************************
1397 * GetRelAbs (GDI32.@)
1399 INT WINAPI GetRelAbs( HDC hdc, DWORD dwIgnore )
1402 DC *dc = get_dc_ptr( hdc );
1405 ret = dc->relAbsMode;
1406 release_dc_ptr( dc );
1414 /***********************************************************************
1415 * GetBkMode (GDI32.@)
1417 INT WINAPI GetBkMode( HDC hdc )
1420 DC * dc = get_dc_ptr( hdc );
1423 ret = dc->backgroundMode;
1424 release_dc_ptr( dc );
1430 /***********************************************************************
1431 * SetBkMode (GDI32.@)
1433 INT WINAPI SetBkMode( HDC hdc, INT mode )
1438 if ((mode <= 0) || (mode > BKMODE_LAST))
1440 SetLastError(ERROR_INVALID_PARAMETER);
1443 if ((dc = get_dc_ptr( hdc )))
1445 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetBkMode );
1446 mode = physdev->funcs->pSetBkMode( physdev, mode );
1449 ret = dc->backgroundMode;
1450 dc->backgroundMode = mode;
1452 release_dc_ptr( dc );
1458 /***********************************************************************
1461 INT WINAPI GetROP2( HDC hdc )
1464 DC * dc = get_dc_ptr( hdc );
1468 release_dc_ptr( dc );
1474 /***********************************************************************
1477 INT WINAPI SetROP2( HDC hdc, INT mode )
1482 if ((mode < R2_BLACK) || (mode > R2_WHITE))
1484 SetLastError(ERROR_INVALID_PARAMETER);
1487 if ((dc = get_dc_ptr( hdc )))
1489 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetROP2 );
1490 mode = physdev->funcs->pSetROP2( physdev, mode );
1496 release_dc_ptr( dc );
1502 /***********************************************************************
1503 * SetRelAbs (GDI32.@)
1505 INT WINAPI SetRelAbs( HDC hdc, INT mode )
1510 if ((mode != ABSOLUTE) && (mode != RELATIVE))
1512 SetLastError(ERROR_INVALID_PARAMETER);
1515 if ((dc = get_dc_ptr( hdc )))
1517 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetRelAbs );
1518 mode = physdev->funcs->pSetRelAbs( physdev, mode );
1521 ret = dc->relAbsMode;
1522 dc->relAbsMode = mode;
1524 release_dc_ptr( dc );
1530 /***********************************************************************
1531 * GetPolyFillMode (GDI32.@)
1533 INT WINAPI GetPolyFillMode( HDC hdc )
1536 DC * dc = get_dc_ptr( hdc );
1539 ret = dc->polyFillMode;
1540 release_dc_ptr( dc );
1546 /***********************************************************************
1547 * SetPolyFillMode (GDI32.@)
1549 INT WINAPI SetPolyFillMode( HDC hdc, INT mode )
1554 if ((mode <= 0) || (mode > POLYFILL_LAST))
1556 SetLastError(ERROR_INVALID_PARAMETER);
1559 if ((dc = get_dc_ptr( hdc )))
1561 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetPolyFillMode );
1562 mode = physdev->funcs->pSetPolyFillMode( physdev, mode );
1565 ret = dc->polyFillMode;
1566 dc->polyFillMode = mode;
1568 release_dc_ptr( dc );
1574 /***********************************************************************
1575 * GetStretchBltMode (GDI32.@)
1577 INT WINAPI GetStretchBltMode( HDC hdc )
1580 DC * dc = get_dc_ptr( hdc );
1583 ret = dc->stretchBltMode;
1584 release_dc_ptr( dc );
1590 /***********************************************************************
1591 * SetStretchBltMode (GDI32.@)
1593 INT WINAPI SetStretchBltMode( HDC hdc, INT mode )
1598 if ((mode <= 0) || (mode > MAXSTRETCHBLTMODE))
1600 SetLastError(ERROR_INVALID_PARAMETER);
1603 if ((dc = get_dc_ptr( hdc )))
1605 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetStretchBltMode );
1606 mode = physdev->funcs->pSetStretchBltMode( physdev, mode );
1609 ret = dc->stretchBltMode;
1610 dc->stretchBltMode = mode;
1612 release_dc_ptr( dc );
1618 /***********************************************************************
1619 * GetMapMode (GDI32.@)
1621 INT WINAPI GetMapMode( HDC hdc )
1624 DC * dc = get_dc_ptr( hdc );
1628 release_dc_ptr( dc );
1634 /***********************************************************************
1635 * GetBrushOrgEx (GDI32.@)
1637 BOOL WINAPI GetBrushOrgEx( HDC hdc, LPPOINT pt )
1639 DC * dc = get_dc_ptr( hdc );
1640 if (!dc) return FALSE;
1641 pt->x = dc->brushOrgX;
1642 pt->y = dc->brushOrgY;
1643 release_dc_ptr( dc );
1648 /***********************************************************************
1649 * GetCurrentPositionEx (GDI32.@)
1651 BOOL WINAPI GetCurrentPositionEx( HDC hdc, LPPOINT pt )
1653 DC * dc = get_dc_ptr( hdc );
1654 if (!dc) return FALSE;
1655 pt->x = dc->CursPosX;
1656 pt->y = dc->CursPosY;
1657 release_dc_ptr( dc );
1662 /***********************************************************************
1663 * GetViewportExtEx (GDI32.@)
1665 BOOL WINAPI GetViewportExtEx( HDC hdc, LPSIZE size )
1667 DC * dc = get_dc_ptr( hdc );
1668 if (!dc) return FALSE;
1669 size->cx = dc->vportExtX;
1670 size->cy = dc->vportExtY;
1671 release_dc_ptr( dc );
1676 /***********************************************************************
1677 * GetViewportOrgEx (GDI32.@)
1679 BOOL WINAPI GetViewportOrgEx( HDC hdc, LPPOINT pt )
1681 DC * dc = get_dc_ptr( hdc );
1682 if (!dc) return FALSE;
1683 pt->x = dc->vportOrgX;
1684 pt->y = dc->vportOrgY;
1685 release_dc_ptr( dc );
1690 /***********************************************************************
1691 * GetWindowExtEx (GDI32.@)
1693 BOOL WINAPI GetWindowExtEx( HDC hdc, LPSIZE size )
1695 DC * dc = get_dc_ptr( hdc );
1696 if (!dc) return FALSE;
1697 size->cx = dc->wndExtX;
1698 size->cy = dc->wndExtY;
1699 release_dc_ptr( dc );
1704 /***********************************************************************
1705 * GetWindowOrgEx (GDI32.@)
1707 BOOL WINAPI GetWindowOrgEx( HDC hdc, LPPOINT pt )
1709 DC * dc = get_dc_ptr( hdc );
1710 if (!dc) return FALSE;
1711 pt->x = dc->wndOrgX;
1712 pt->y = dc->wndOrgY;
1713 release_dc_ptr( dc );
1718 /***********************************************************************
1719 * GetLayout (GDI32.@)
1721 * Gets left->right or right->left text layout flags of a dc.
1724 DWORD WINAPI GetLayout(HDC hdc)
1726 DWORD layout = GDI_ERROR;
1728 DC * dc = get_dc_ptr( hdc );
1731 layout = dc->layout;
1732 release_dc_ptr( dc );
1735 TRACE("hdc : %p, layout : %08x\n", hdc, layout);
1740 /***********************************************************************
1741 * SetLayout (GDI32.@)
1743 * Sets left->right or right->left text layout flags of a dc.
1746 DWORD WINAPI SetLayout(HDC hdc, DWORD layout)
1748 DWORD oldlayout = GDI_ERROR;
1750 DC * dc = get_dc_ptr( hdc );
1753 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetLayout );
1754 layout = physdev->funcs->pSetLayout( physdev, layout );
1755 if (layout != GDI_ERROR)
1757 oldlayout = dc->layout;
1758 dc->layout = layout;
1759 if (layout != oldlayout)
1761 if (layout & LAYOUT_RTL) dc->MapMode = MM_ANISOTROPIC;
1762 DC_UpdateXforms( dc );
1765 release_dc_ptr( dc );
1768 TRACE("hdc : %p, old layout : %08x, new layout : %08x\n", hdc, oldlayout, layout);
1773 /***********************************************************************
1774 * GetDCBrushColor (GDI32.@)
1776 COLORREF WINAPI GetDCBrushColor(HDC hdc)
1779 COLORREF dcBrushColor = CLR_INVALID;
1781 TRACE("hdc(%p)\n", hdc);
1783 dc = get_dc_ptr( hdc );
1786 dcBrushColor = dc->dcBrushColor;
1787 release_dc_ptr( dc );
1790 return dcBrushColor;
1793 /***********************************************************************
1794 * SetDCBrushColor (GDI32.@)
1796 COLORREF WINAPI SetDCBrushColor(HDC hdc, COLORREF crColor)
1799 COLORREF oldClr = CLR_INVALID;
1801 TRACE("hdc(%p) crColor(%08x)\n", hdc, crColor);
1803 dc = get_dc_ptr( hdc );
1806 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetDCBrushColor );
1807 crColor = physdev->funcs->pSetDCBrushColor( physdev, crColor );
1808 if (crColor != CLR_INVALID)
1810 oldClr = dc->dcBrushColor;
1811 dc->dcBrushColor = crColor;
1813 release_dc_ptr( dc );
1819 /***********************************************************************
1820 * GetDCPenColor (GDI32.@)
1822 COLORREF WINAPI GetDCPenColor(HDC hdc)
1825 COLORREF dcPenColor = CLR_INVALID;
1827 TRACE("hdc(%p)\n", hdc);
1829 dc = get_dc_ptr( hdc );
1832 dcPenColor = dc->dcPenColor;
1833 release_dc_ptr( dc );
1839 /***********************************************************************
1840 * SetDCPenColor (GDI32.@)
1842 COLORREF WINAPI SetDCPenColor(HDC hdc, COLORREF crColor)
1845 COLORREF oldClr = CLR_INVALID;
1847 TRACE("hdc(%p) crColor(%08x)\n", hdc, crColor);
1849 dc = get_dc_ptr( hdc );
1852 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetDCPenColor );
1853 crColor = physdev->funcs->pSetDCPenColor( physdev, crColor );
1854 if (crColor != CLR_INVALID)
1856 oldClr = dc->dcPenColor;
1857 dc->dcPenColor = crColor;
1859 release_dc_ptr( dc );
1865 /***********************************************************************
1866 * CancelDC (GDI32.@)
1868 BOOL WINAPI CancelDC(HDC hdc)
1874 /*******************************************************************
1875 * GetMiterLimit [GDI32.@]
1879 BOOL WINAPI GetMiterLimit(HDC hdc, PFLOAT peLimit)
1884 TRACE("(%p,%p)\n", hdc, peLimit);
1886 dc = get_dc_ptr( hdc );
1890 *peLimit = dc->miterLimit;
1892 release_dc_ptr( dc );
1898 /*******************************************************************
1899 * SetMiterLimit [GDI32.@]
1903 BOOL WINAPI SetMiterLimit(HDC hdc, FLOAT eNewLimit, PFLOAT peOldLimit)
1908 TRACE("(%p,%f,%p)\n", hdc, eNewLimit, peOldLimit);
1910 dc = get_dc_ptr( hdc );
1914 *peOldLimit = dc->miterLimit;
1915 dc->miterLimit = eNewLimit;
1916 release_dc_ptr( dc );
1922 /*******************************************************************
1923 * GdiIsMetaPrintDC [GDI32.@]
1925 BOOL WINAPI GdiIsMetaPrintDC(HDC hdc)
1931 /*******************************************************************
1932 * GdiIsMetaFileDC [GDI32.@]
1934 BOOL WINAPI GdiIsMetaFileDC(HDC hdc)
1938 switch( GetObjectType( hdc ) )
1947 /*******************************************************************
1948 * GdiIsPlayMetafileDC [GDI32.@]
1950 BOOL WINAPI GdiIsPlayMetafileDC(HDC hdc)