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(), 0, sizeof(*dc) ))) return NULL;
80 dc->nulldrv.funcs = &null_driver;
81 dc->nulldrv.next = NULL;
82 dc->dibdrv.dev.funcs = &dib_driver;
83 dc->dibdrv.dev.next = NULL;
84 dc->physDev = &dc->nulldrv;
85 dc->thread = GetCurrentThreadId();
100 dc->miterLimit = 10.0f; /* 10.0 is the default, from MSDN */
105 dc->hMetaClipRgn = 0;
107 dc->hPen = GDI_inc_ref_count( GetStockObject( BLACK_PEN ));
108 dc->hBrush = GDI_inc_ref_count( GetStockObject( WHITE_BRUSH ));
109 dc->hFont = GDI_inc_ref_count( GetStockObject( SYSTEM_FONT ));
112 dc->hPalette = GetStockObject( DEFAULT_PALETTE );
114 dc->font_code_page = CP_ACP;
115 dc->ROPmode = R2_COPYPEN;
116 dc->polyFillMode = ALTERNATE;
117 dc->stretchBltMode = BLACKONWHITE;
118 dc->relAbsMode = ABSOLUTE;
119 dc->backgroundMode = OPAQUE;
120 dc->backgroundColor = RGB( 255, 255, 255 );
121 dc->dcBrushColor = RGB( 255, 255, 255 );
122 dc->dcPenColor = RGB( 0, 0, 0 );
123 dc->textColor = RGB( 0, 0, 0 );
127 dc->textAlign = TA_LEFT | TA_TOP | TA_NOUPDATECP;
131 dc->MapMode = MM_TEXT;
132 dc->GraphicsMode = GM_COMPATIBLE;
133 dc->pAbortProc = NULL;
136 dc->ArcDirection = AD_COUNTERCLOCKWISE;
137 dc->xformWorld2Wnd.eM11 = 1.0f;
138 dc->xformWorld2Wnd.eM12 = 0.0f;
139 dc->xformWorld2Wnd.eM21 = 0.0f;
140 dc->xformWorld2Wnd.eM22 = 1.0f;
141 dc->xformWorld2Wnd.eDx = 0.0f;
142 dc->xformWorld2Wnd.eDy = 0.0f;
143 dc->xformWorld2Vport = dc->xformWorld2Wnd;
144 dc->xformVport2World = dc->xformWorld2Wnd;
145 dc->vport2WorldValid = TRUE;
146 dc->BoundsRect.left = 0;
147 dc->BoundsRect.top = 0;
148 dc->BoundsRect.right = 0;
149 dc->BoundsRect.bottom = 0;
150 PATH_InitGdiPath(&dc->path);
152 if (!(dc->hSelf = alloc_gdi_handle( &dc->header, magic, &dc_funcs )))
154 HeapFree( GetProcessHeap(), 0, dc );
157 dc->nulldrv.hdc = dc->hSelf;
163 /***********************************************************************
166 static void free_dc_state( DC *dc )
168 if (dc->hClipRgn) DeleteObject( dc->hClipRgn );
169 if (dc->hMetaRgn) DeleteObject( dc->hMetaRgn );
170 if (dc->hMetaClipRgn) DeleteObject( dc->hMetaClipRgn );
171 if (dc->hVisRgn) DeleteObject( dc->hVisRgn );
172 PATH_DestroyGdiPath( &dc->path );
173 HeapFree( GetProcessHeap(), 0, dc );
177 /***********************************************************************
180 void free_dc_ptr( DC *dc )
182 assert( dc->refcount == 1 );
184 while (dc->physDev != &dc->nulldrv) pop_dc_driver( dc, dc->physDev );
185 free_gdi_handle( dc->hSelf );
190 /***********************************************************************
193 * Retrieve a DC pointer but release the GDI lock.
195 DC *get_dc_ptr( HDC hdc )
197 DC *dc = get_dc_obj( hdc );
198 if (!dc) return NULL;
200 if (!InterlockedCompareExchange( &dc->refcount, 1, 0 ))
202 dc->thread = GetCurrentThreadId();
204 else if (dc->thread != GetCurrentThreadId())
206 WARN( "dc %p belongs to thread %04x\n", hdc, dc->thread );
207 GDI_ReleaseObj( hdc );
210 else InterlockedIncrement( &dc->refcount );
212 GDI_ReleaseObj( hdc );
217 /***********************************************************************
220 void release_dc_ptr( DC *dc )
225 ref = InterlockedDecrement( &dc->refcount );
227 if (ref) dc->thread = GetCurrentThreadId(); /* we still own it */
231 /***********************************************************************
234 * Make sure the DC vis region is up to date.
235 * This function may call up to USER so the GDI lock should _not_
236 * be held when calling it.
238 void update_dc( DC *dc )
240 if (InterlockedExchange( &dc->dirty, 0 ) && dc->hookProc)
241 dc->hookProc( dc->hSelf, DCHC_INVALIDVISRGN, dc->dwHookData, 0 );
245 /***********************************************************************
248 * Push a driver on top of the DC driver stack.
250 void push_dc_driver( DC * dc, PHYSDEV physdev, const DC_FUNCTIONS *funcs )
252 physdev->funcs = funcs;
253 physdev->next = dc->physDev;
254 physdev->hdc = dc->hSelf;
255 dc->physDev = physdev;
259 /***********************************************************************
262 * Pop the top driver from the DC driver stack.
264 void pop_dc_driver( DC * dc, PHYSDEV physdev )
266 assert( physdev == dc->physDev );
267 assert( physdev != &dc->nulldrv );
268 dc->physDev = physdev->next;
269 physdev->funcs->pDeleteDC( physdev );
273 /***********************************************************************
276 static BOOL DC_DeleteObject( HGDIOBJ handle )
278 return DeleteDC( handle );
282 /***********************************************************************
285 * Setup device-specific DC values for a newly created DC.
287 void DC_InitDC( DC* dc )
289 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pRealizeDefaultPalette );
290 physdev->funcs->pRealizeDefaultPalette( physdev );
291 SetTextColor( dc->hSelf, dc->textColor );
292 SetBkColor( dc->hSelf, dc->backgroundColor );
293 SelectObject( dc->hSelf, dc->hPen );
294 SelectObject( dc->hSelf, dc->hBrush );
295 SelectObject( dc->hSelf, dc->hFont );
296 CLIPPING_UpdateGCRegion( dc );
297 SetVirtualResolution( dc->hSelf, 0, 0, 0, 0 );
301 /***********************************************************************
304 * Computes the inverse of the transformation xformSrc and stores it to
305 * xformDest. Returns TRUE if successful or FALSE if the xformSrc matrix
308 static BOOL DC_InvertXform( const XFORM *xformSrc, XFORM *xformDest )
312 determinant = xformSrc->eM11*xformSrc->eM22 -
313 xformSrc->eM12*xformSrc->eM21;
314 if (determinant > -1e-12 && determinant < 1e-12)
317 xformDest->eM11 = xformSrc->eM22 / determinant;
318 xformDest->eM12 = -xformSrc->eM12 / determinant;
319 xformDest->eM21 = -xformSrc->eM21 / determinant;
320 xformDest->eM22 = xformSrc->eM11 / determinant;
321 xformDest->eDx = -xformSrc->eDx * xformDest->eM11 -
322 xformSrc->eDy * xformDest->eM21;
323 xformDest->eDy = -xformSrc->eDx * xformDest->eM12 -
324 xformSrc->eDy * xformDest->eM22;
329 /* Construct a transformation to do the window-to-viewport conversion */
330 static void construct_window_to_viewport(DC *dc, XFORM *xform)
332 double scaleX, scaleY;
333 scaleX = (double)dc->vportExtX / (double)dc->wndExtX;
334 scaleY = (double)dc->vportExtY / (double)dc->wndExtY;
336 if (dc->layout & LAYOUT_RTL) scaleX = -scaleX;
337 xform->eM11 = scaleX;
340 xform->eM22 = scaleY;
341 xform->eDx = (double)dc->vportOrgX - scaleX * (double)dc->wndOrgX;
342 xform->eDy = (double)dc->vportOrgY - scaleY * (double)dc->wndOrgY;
343 if (dc->layout & LAYOUT_RTL) xform->eDx = dc->vis_rect.right - dc->vis_rect.left - 1 - xform->eDx;
346 /***********************************************************************
349 * Updates the xformWorld2Vport, xformVport2World and vport2WorldValid
350 * fields of the specified DC by creating a transformation that
351 * represents the current mapping mode and combining it with the DC's
352 * world transform. This function should be called whenever the
353 * parameters associated with the mapping mode (window and viewport
354 * extents and origins) or the world transform change.
356 void DC_UpdateXforms( DC *dc )
358 XFORM xformWnd2Vport, oldworld2vport;
360 construct_window_to_viewport(dc, &xformWnd2Vport);
362 oldworld2vport = dc->xformWorld2Vport;
363 /* Combine with the world transformation */
364 CombineTransform( &dc->xformWorld2Vport, &dc->xformWorld2Wnd,
367 /* Create inverse of world-to-viewport transformation */
368 dc->vport2WorldValid = DC_InvertXform( &dc->xformWorld2Vport,
369 &dc->xformVport2World );
371 /* Reselect the font and pen back into the dc so that the size
373 if (memcmp(&oldworld2vport, &dc->xformWorld2Vport, sizeof(oldworld2vport)) &&
374 !GdiIsMetaFileDC(dc->hSelf))
376 SelectObject(dc->hSelf, GetCurrentObject(dc->hSelf, OBJ_FONT));
377 SelectObject(dc->hSelf, GetCurrentObject(dc->hSelf, OBJ_PEN));
382 /***********************************************************************
385 INT CDECL nulldrv_SaveDC( PHYSDEV dev )
387 DC *newdc, *dc = get_nulldrv_dc( dev );
389 if (!(newdc = HeapAlloc( GetProcessHeap(), 0, sizeof(*newdc )))) return 0;
390 newdc->flags = dc->flags;
391 newdc->layout = dc->layout;
392 newdc->hPen = dc->hPen;
393 newdc->hBrush = dc->hBrush;
394 newdc->hFont = dc->hFont;
395 newdc->hBitmap = dc->hBitmap;
396 newdc->hDevice = dc->hDevice;
397 newdc->hPalette = dc->hPalette;
398 newdc->ROPmode = dc->ROPmode;
399 newdc->polyFillMode = dc->polyFillMode;
400 newdc->stretchBltMode = dc->stretchBltMode;
401 newdc->relAbsMode = dc->relAbsMode;
402 newdc->backgroundMode = dc->backgroundMode;
403 newdc->backgroundColor = dc->backgroundColor;
404 newdc->textColor = dc->textColor;
405 newdc->dcBrushColor = dc->dcBrushColor;
406 newdc->dcPenColor = dc->dcPenColor;
407 newdc->brushOrgX = dc->brushOrgX;
408 newdc->brushOrgY = dc->brushOrgY;
409 newdc->mapperFlags = dc->mapperFlags;
410 newdc->textAlign = dc->textAlign;
411 newdc->charExtra = dc->charExtra;
412 newdc->breakExtra = dc->breakExtra;
413 newdc->breakRem = dc->breakRem;
414 newdc->MapMode = dc->MapMode;
415 newdc->GraphicsMode = dc->GraphicsMode;
416 newdc->CursPosX = dc->CursPosX;
417 newdc->CursPosY = dc->CursPosY;
418 newdc->ArcDirection = dc->ArcDirection;
419 newdc->xformWorld2Wnd = dc->xformWorld2Wnd;
420 newdc->xformWorld2Vport = dc->xformWorld2Vport;
421 newdc->xformVport2World = dc->xformVport2World;
422 newdc->vport2WorldValid = dc->vport2WorldValid;
423 newdc->wndOrgX = dc->wndOrgX;
424 newdc->wndOrgY = dc->wndOrgY;
425 newdc->wndExtX = dc->wndExtX;
426 newdc->wndExtY = dc->wndExtY;
427 newdc->vportOrgX = dc->vportOrgX;
428 newdc->vportOrgY = dc->vportOrgY;
429 newdc->vportExtX = dc->vportExtX;
430 newdc->vportExtY = dc->vportExtY;
431 newdc->virtual_res = dc->virtual_res;
432 newdc->virtual_size = dc->virtual_size;
433 newdc->BoundsRect = dc->BoundsRect;
434 newdc->gdiFont = dc->gdiFont;
436 PATH_InitGdiPath( &newdc->path );
438 /* Get/SetDCState() don't change hVisRgn field ("Undoc. Windows" p.559). */
443 newdc->hMetaClipRgn = 0;
446 newdc->hClipRgn = CreateRectRgn( 0, 0, 0, 0 );
447 CombineRgn( newdc->hClipRgn, dc->hClipRgn, 0, RGN_COPY );
451 newdc->hMetaRgn = CreateRectRgn( 0, 0, 0, 0 );
452 CombineRgn( newdc->hMetaRgn, dc->hMetaRgn, 0, RGN_COPY );
455 /* don't bother recomputing hMetaClipRgn, we'll do that in SetDCState */
457 if (!PATH_AssignGdiPath( &newdc->path, &dc->path ))
459 release_dc_ptr( dc );
460 free_dc_state( newdc );
464 newdc->saved_dc = dc->saved_dc;
465 dc->saved_dc = newdc;
466 return ++dc->saveLevel;
470 /***********************************************************************
473 BOOL CDECL nulldrv_RestoreDC( PHYSDEV dev, INT level )
475 DC *dcs, *first_dcs, *dc = get_nulldrv_dc( dev );
478 /* find the state level to restore */
480 if (abs(level) > dc->saveLevel || level == 0) return FALSE;
481 if (level < 0) level = dc->saveLevel + level + 1;
482 first_dcs = dc->saved_dc;
483 for (dcs = first_dcs, save_level = dc->saveLevel; save_level > level; save_level--)
486 /* restore the state */
488 if (!PATH_AssignGdiPath( &dc->path, &dcs->path )) return FALSE;
490 dc->flags = dcs->flags;
491 dc->layout = dcs->layout;
492 dc->hDevice = dcs->hDevice;
493 dc->ROPmode = dcs->ROPmode;
494 dc->polyFillMode = dcs->polyFillMode;
495 dc->stretchBltMode = dcs->stretchBltMode;
496 dc->relAbsMode = dcs->relAbsMode;
497 dc->backgroundMode = dcs->backgroundMode;
498 dc->backgroundColor = dcs->backgroundColor;
499 dc->textColor = dcs->textColor;
500 dc->dcBrushColor = dcs->dcBrushColor;
501 dc->dcPenColor = dcs->dcPenColor;
502 dc->brushOrgX = dcs->brushOrgX;
503 dc->brushOrgY = dcs->brushOrgY;
504 dc->mapperFlags = dcs->mapperFlags;
505 dc->textAlign = dcs->textAlign;
506 dc->charExtra = dcs->charExtra;
507 dc->breakExtra = dcs->breakExtra;
508 dc->breakRem = dcs->breakRem;
509 dc->MapMode = dcs->MapMode;
510 dc->GraphicsMode = dcs->GraphicsMode;
511 dc->CursPosX = dcs->CursPosX;
512 dc->CursPosY = dcs->CursPosY;
513 dc->ArcDirection = dcs->ArcDirection;
514 dc->xformWorld2Wnd = dcs->xformWorld2Wnd;
515 dc->xformWorld2Vport = dcs->xformWorld2Vport;
516 dc->xformVport2World = dcs->xformVport2World;
517 dc->vport2WorldValid = dcs->vport2WorldValid;
518 dc->BoundsRect = dcs->BoundsRect;
520 dc->wndOrgX = dcs->wndOrgX;
521 dc->wndOrgY = dcs->wndOrgY;
522 dc->wndExtX = dcs->wndExtX;
523 dc->wndExtY = dcs->wndExtY;
524 dc->vportOrgX = dcs->vportOrgX;
525 dc->vportOrgY = dcs->vportOrgY;
526 dc->vportExtX = dcs->vportExtX;
527 dc->vportExtY = dcs->vportExtY;
528 dc->virtual_res = dcs->virtual_res;
529 dc->virtual_size = dcs->virtual_size;
533 if (!dc->hClipRgn) dc->hClipRgn = CreateRectRgn( 0, 0, 0, 0 );
534 CombineRgn( dc->hClipRgn, dcs->hClipRgn, 0, RGN_COPY );
538 if (dc->hClipRgn) DeleteObject( dc->hClipRgn );
543 if (!dc->hMetaRgn) dc->hMetaRgn = CreateRectRgn( 0, 0, 0, 0 );
544 CombineRgn( dc->hMetaRgn, dcs->hMetaRgn, 0, RGN_COPY );
548 if (dc->hMetaRgn) DeleteObject( dc->hMetaRgn );
551 DC_UpdateXforms( dc );
552 CLIPPING_UpdateGCRegion( dc );
554 SelectObject( dev->hdc, dcs->hBitmap );
555 SelectObject( dev->hdc, dcs->hBrush );
556 SelectObject( dev->hdc, dcs->hFont );
557 SelectObject( dev->hdc, dcs->hPen );
558 SetBkColor( dev->hdc, dcs->backgroundColor);
559 SetTextColor( dev->hdc, dcs->textColor);
560 GDISelectPalette( dev->hdc, dcs->hPalette, FALSE );
562 dc->saved_dc = dcs->saved_dc;
564 dc->saveLevel = save_level - 1;
566 /* now destroy all the saved DCs */
570 DC *next = first_dcs->saved_dc;
571 free_dc_state( first_dcs );
578 /***********************************************************************
581 INT WINAPI SaveDC( HDC hdc )
586 if ((dc = get_dc_ptr( hdc )))
588 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSaveDC );
589 ret = physdev->funcs->pSaveDC( physdev );
590 release_dc_ptr( dc );
596 /***********************************************************************
597 * RestoreDC (GDI32.@)
599 BOOL WINAPI RestoreDC( HDC hdc, INT level )
602 BOOL success = FALSE;
604 TRACE("%p %d\n", hdc, level );
605 if ((dc = get_dc_ptr( hdc )))
607 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pRestoreDC );
609 success = physdev->funcs->pRestoreDC( physdev, level );
610 release_dc_ptr( dc );
616 /***********************************************************************
617 * CreateDCW (GDI32.@)
619 HDC WINAPI CreateDCW( LPCWSTR driver, LPCWSTR device, LPCWSTR output,
620 const DEVMODEW *initData )
624 const DC_FUNCTIONS *funcs;
629 if (!device || !DRIVER_GetDriverName( device, buf, 300 ))
633 ERR( "no device found for %s\n", debugstr_w(device) );
636 strcpyW(buf, driver);
639 if (!(funcs = DRIVER_load_driver( buf )))
641 ERR( "no driver found for %s\n", debugstr_w(buf) );
644 if (!(dc = alloc_dc_ptr( OBJ_DC ))) goto error;
647 dc->hBitmap = GDI_inc_ref_count( GetStockObject( DEFAULT_BITMAP ));
648 if (!(dc->hVisRgn = CreateRectRgn( 0, 0, 1, 1 ))) goto error;
650 TRACE("(driver=%s, device=%s, output=%s): returning %p\n",
651 debugstr_w(driver), debugstr_w(device), debugstr_w(output), dc->hSelf );
653 if (funcs->pCreateDC)
656 if (!funcs->pCreateDC( hdc, &physdev, buf, device, output, initData ))
658 WARN("creation aborted by device\n" );
661 push_dc_driver( dc, physdev, funcs );
664 dc->vis_rect.left = 0;
665 dc->vis_rect.top = 0;
666 dc->vis_rect.right = GetDeviceCaps( hdc, DESKTOPHORZRES );
667 dc->vis_rect.bottom = GetDeviceCaps( hdc, DESKTOPVERTRES );
668 SetRectRgn(dc->hVisRgn, dc->vis_rect.left, dc->vis_rect.top, dc->vis_rect.right, dc->vis_rect.bottom);
671 release_dc_ptr( dc );
675 if (dc) free_dc_ptr( dc );
680 /***********************************************************************
681 * CreateDCA (GDI32.@)
683 HDC WINAPI CreateDCA( LPCSTR driver, LPCSTR device, LPCSTR output,
684 const DEVMODEA *initData )
686 UNICODE_STRING driverW, deviceW, outputW;
690 if (driver) RtlCreateUnicodeStringFromAsciiz(&driverW, driver);
691 else driverW.Buffer = NULL;
693 if (device) RtlCreateUnicodeStringFromAsciiz(&deviceW, device);
694 else deviceW.Buffer = NULL;
696 if (output) RtlCreateUnicodeStringFromAsciiz(&outputW, output);
697 else outputW.Buffer = NULL;
702 /* don't convert initData for DISPLAY driver, it's not used */
703 if (!driverW.Buffer || strcmpiW( driverW.Buffer, displayW ))
704 initDataW = GdiConvertToDevmodeW(initData);
707 ret = CreateDCW( driverW.Buffer, deviceW.Buffer, outputW.Buffer, initDataW );
709 RtlFreeUnicodeString(&driverW);
710 RtlFreeUnicodeString(&deviceW);
711 RtlFreeUnicodeString(&outputW);
712 HeapFree(GetProcessHeap(), 0, initDataW);
717 /***********************************************************************
718 * CreateICA (GDI32.@)
720 HDC WINAPI CreateICA( LPCSTR driver, LPCSTR device, LPCSTR output,
721 const DEVMODEA* initData )
723 /* Nothing special yet for ICs */
724 return CreateDCA( driver, device, output, initData );
728 /***********************************************************************
729 * CreateICW (GDI32.@)
731 HDC WINAPI CreateICW( LPCWSTR driver, LPCWSTR device, LPCWSTR output,
732 const DEVMODEW* initData )
734 /* Nothing special yet for ICs */
735 return CreateDCW( driver, device, output, initData );
739 /***********************************************************************
740 * CreateCompatibleDC (GDI32.@)
742 HDC WINAPI CreateCompatibleDC( HDC hdc )
746 const DC_FUNCTIONS *funcs = NULL;
747 PHYSDEV physDev = NULL;
753 if (!(origDC = get_dc_ptr( hdc ))) return 0;
754 physDev = GET_DC_PHYSDEV( origDC, pCreateDC );
755 if (physDev != &origDC->nulldrv) funcs = physDev->funcs;
757 release_dc_ptr( origDC );
760 if (!funcs && !(funcs = DRIVER_get_display_driver())) return 0;
762 if (!(dc = alloc_dc_ptr( OBJ_MEMDC ))) goto error;
764 TRACE("(%p): returning %p\n", hdc, dc->hSelf );
766 dc->hBitmap = GDI_inc_ref_count( GetStockObject( DEFAULT_BITMAP ));
767 dc->vis_rect.left = 0;
768 dc->vis_rect.top = 0;
769 dc->vis_rect.right = 1;
770 dc->vis_rect.bottom = 1;
771 if (!(dc->hVisRgn = CreateRectRgn( 0, 0, 1, 1 ))) goto error; /* default bitmap is 1x1 */
775 /* Pass the driver-specific physical device info into
776 * the new DC. The driver may use this read-only info
777 * while creating the compatible DC. */
778 if (funcs->pCreateDC)
780 if (!funcs->pCreateDC( dc->hSelf, &physDev, NULL, NULL, NULL, NULL ))
782 WARN("creation aborted by device\n");
785 push_dc_driver( dc, physDev, funcs );
788 release_dc_ptr( dc );
792 if (dc) free_dc_ptr( dc );
797 /***********************************************************************
800 BOOL WINAPI DeleteDC( HDC hdc )
808 if (!(dc = get_dc_ptr( hdc ))) return FALSE;
809 if (dc->refcount != 1)
811 FIXME( "not deleting busy DC %p refcount %u\n", dc->hSelf, dc->refcount );
812 release_dc_ptr( dc );
816 /* Call hook procedure to check whether is it OK to delete this DC */
817 if (dc->hookProc && !dc->hookProc( hdc, DCHC_DELETEDC, dc->dwHookData, 0 ))
819 release_dc_ptr( dc );
823 while (dc->saveLevel)
825 DC *dcs = dc->saved_dc;
826 dc->saved_dc = dcs->saved_dc;
828 free_dc_state( dcs );
831 SelectObject( hdc, GetStockObject(BLACK_PEN) );
832 SelectObject( hdc, GetStockObject(WHITE_BRUSH) );
833 SelectObject( hdc, GetStockObject(SYSTEM_FONT) );
834 SelectObject( hdc, GetStockObject(DEFAULT_BITMAP) );
841 /***********************************************************************
844 HDC WINAPI ResetDCW( HDC hdc, const DEVMODEW *devmode )
849 if ((dc = get_dc_ptr( hdc )))
851 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pResetDC );
852 ret = physdev->funcs->pResetDC( physdev, devmode );
853 if (ret) /* reset the visible region */
856 dc->vis_rect.left = 0;
857 dc->vis_rect.top = 0;
858 dc->vis_rect.right = GetDeviceCaps( hdc, DESKTOPHORZRES );
859 dc->vis_rect.bottom = GetDeviceCaps( hdc, DESKTOPVERTRES );
860 SetRectRgn( dc->hVisRgn, dc->vis_rect.left, dc->vis_rect.top,
861 dc->vis_rect.right, dc->vis_rect.bottom );
862 CLIPPING_UpdateGCRegion( dc );
864 release_dc_ptr( dc );
870 /***********************************************************************
873 HDC WINAPI ResetDCA( HDC hdc, const DEVMODEA *devmode )
878 if (devmode) devmodeW = GdiConvertToDevmodeW(devmode);
879 else devmodeW = NULL;
881 ret = ResetDCW(hdc, devmodeW);
883 HeapFree(GetProcessHeap(), 0, devmodeW);
888 /***********************************************************************
889 * GetDeviceCaps (GDI32.@)
891 INT WINAPI GetDeviceCaps( HDC hdc, INT cap )
896 if ((dc = get_dc_ptr( hdc )))
898 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pGetDeviceCaps );
899 ret = physdev->funcs->pGetDeviceCaps( physdev, cap );
900 release_dc_ptr( dc );
906 /***********************************************************************
907 * GetBkColor (GDI32.@)
909 COLORREF WINAPI GetBkColor( HDC hdc )
912 DC * dc = get_dc_ptr( hdc );
915 ret = dc->backgroundColor;
916 release_dc_ptr( dc );
922 /***********************************************************************
923 * SetBkColor (GDI32.@)
925 COLORREF WINAPI SetBkColor( HDC hdc, COLORREF color )
927 COLORREF ret = CLR_INVALID;
928 DC * dc = get_dc_ptr( hdc );
930 TRACE("hdc=%p color=0x%08x\n", hdc, color);
934 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetBkColor );
935 color = physdev->funcs->pSetBkColor( physdev, color );
936 if (color != CLR_INVALID)
938 ret = dc->backgroundColor;
939 dc->backgroundColor = color;
941 release_dc_ptr( dc );
947 /***********************************************************************
948 * GetTextColor (GDI32.@)
950 COLORREF WINAPI GetTextColor( HDC hdc )
953 DC * dc = get_dc_ptr( hdc );
957 release_dc_ptr( dc );
963 /***********************************************************************
964 * SetTextColor (GDI32.@)
966 COLORREF WINAPI SetTextColor( HDC hdc, COLORREF color )
968 COLORREF ret = CLR_INVALID;
969 DC * dc = get_dc_ptr( hdc );
971 TRACE(" hdc=%p color=0x%08x\n", hdc, color);
975 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetTextColor );
976 color = physdev->funcs->pSetTextColor( physdev, color );
977 if (color != CLR_INVALID)
980 dc->textColor = color;
982 release_dc_ptr( dc );
988 /***********************************************************************
989 * GetTextAlign (GDI32.@)
991 UINT WINAPI GetTextAlign( HDC hdc )
994 DC * dc = get_dc_ptr( hdc );
998 release_dc_ptr( dc );
1004 /***********************************************************************
1005 * SetTextAlign (GDI32.@)
1007 UINT WINAPI SetTextAlign( HDC hdc, UINT align )
1009 UINT ret = GDI_ERROR;
1010 DC *dc = get_dc_ptr( hdc );
1012 TRACE("hdc=%p align=%d\n", hdc, align);
1016 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetTextAlign );
1017 align = physdev->funcs->pSetTextAlign( physdev, align );
1018 if (align != GDI_ERROR)
1020 ret = dc->textAlign;
1021 dc->textAlign = align;
1023 release_dc_ptr( dc );
1028 /***********************************************************************
1029 * GetDCOrgEx (GDI32.@)
1031 BOOL WINAPI GetDCOrgEx( HDC hDC, LPPOINT lpp )
1035 if (!lpp) return FALSE;
1036 if (!(dc = get_dc_ptr( hDC ))) return FALSE;
1037 lpp->x = dc->vis_rect.left;
1038 lpp->y = dc->vis_rect.top;
1039 release_dc_ptr( dc );
1044 /***********************************************************************
1045 * GetGraphicsMode (GDI32.@)
1047 INT WINAPI GetGraphicsMode( HDC hdc )
1050 DC * dc = get_dc_ptr( hdc );
1053 ret = dc->GraphicsMode;
1054 release_dc_ptr( dc );
1060 /***********************************************************************
1061 * SetGraphicsMode (GDI32.@)
1063 INT WINAPI SetGraphicsMode( HDC hdc, INT mode )
1066 DC *dc = get_dc_ptr( hdc );
1068 /* One would think that setting the graphics mode to GM_COMPATIBLE
1069 * would also reset the world transformation matrix to the unity
1070 * matrix. However, in Windows, this is not the case. This doesn't
1071 * make a lot of sense to me, but that's the way it is.
1074 if ((mode > 0) && (mode <= GM_LAST))
1076 ret = dc->GraphicsMode;
1077 dc->GraphicsMode = mode;
1079 release_dc_ptr( dc );
1084 /***********************************************************************
1085 * GetArcDirection (GDI32.@)
1087 INT WINAPI GetArcDirection( HDC hdc )
1090 DC * dc = get_dc_ptr( hdc );
1093 ret = dc->ArcDirection;
1094 release_dc_ptr( dc );
1100 /***********************************************************************
1101 * SetArcDirection (GDI32.@)
1103 INT WINAPI SetArcDirection( HDC hdc, INT dir )
1108 if (dir != AD_COUNTERCLOCKWISE && dir != AD_CLOCKWISE)
1110 SetLastError(ERROR_INVALID_PARAMETER);
1114 if ((dc = get_dc_ptr( hdc )))
1116 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetArcDirection );
1117 dir = physdev->funcs->pSetArcDirection( physdev, dir );
1120 ret = dc->ArcDirection;
1121 dc->ArcDirection = dir;
1123 release_dc_ptr( dc );
1129 /***********************************************************************
1130 * GetWorldTransform (GDI32.@)
1132 BOOL WINAPI GetWorldTransform( HDC hdc, LPXFORM xform )
1135 if (!xform) return FALSE;
1136 if (!(dc = get_dc_ptr( hdc ))) return FALSE;
1137 *xform = dc->xformWorld2Wnd;
1138 release_dc_ptr( dc );
1143 /***********************************************************************
1144 * GetTransform (GDI32.@)
1148 * Returns one of the co-ordinate space transforms
1151 * hdc [I] Device context.
1152 * which [I] Which xform to return:
1153 * 0x203 World -> Page transform (that set by SetWorldTransform).
1154 * 0x304 Page -> Device transform (the mapping mode transform).
1155 * 0x204 World -> Device transform (the combination of the above two).
1156 * 0x402 Device -> World transform (the inversion of the above).
1157 * xform [O] The xform.
1160 BOOL WINAPI GetTransform( HDC hdc, DWORD which, XFORM *xform )
1163 DC *dc = get_dc_ptr( hdc );
1164 if (!dc) return FALSE;
1169 *xform = dc->xformWorld2Wnd;
1173 construct_window_to_viewport(dc, xform);
1177 *xform = dc->xformWorld2Vport;
1181 *xform = dc->xformVport2World;
1185 FIXME("Unknown code %x\n", which);
1189 release_dc_ptr( dc );
1194 /****************************************************************************
1195 * CombineTransform [GDI32.@]
1196 * Combines two transformation matrices.
1199 * xformResult [O] Stores the result of combining the two matrices
1200 * xform1 [I] Specifies the first matrix to apply
1201 * xform2 [I] Specifies the second matrix to apply
1204 * The same matrix can be passed in for more than one of the parameters.
1208 * Failure: FALSE. Use GetLastError() to determine the cause.
1210 BOOL WINAPI CombineTransform( LPXFORM xformResult, const XFORM *xform1,
1211 const XFORM *xform2 )
1215 /* Check for illegal parameters */
1216 if (!xformResult || !xform1 || !xform2)
1219 /* Create the result in a temporary XFORM, since xformResult may be
1220 * equal to xform1 or xform2 */
1221 xformTemp.eM11 = xform1->eM11 * xform2->eM11 +
1222 xform1->eM12 * xform2->eM21;
1223 xformTemp.eM12 = xform1->eM11 * xform2->eM12 +
1224 xform1->eM12 * xform2->eM22;
1225 xformTemp.eM21 = xform1->eM21 * xform2->eM11 +
1226 xform1->eM22 * xform2->eM21;
1227 xformTemp.eM22 = xform1->eM21 * xform2->eM12 +
1228 xform1->eM22 * xform2->eM22;
1229 xformTemp.eDx = xform1->eDx * xform2->eM11 +
1230 xform1->eDy * xform2->eM21 +
1232 xformTemp.eDy = xform1->eDx * xform2->eM12 +
1233 xform1->eDy * xform2->eM22 +
1236 /* Copy the result to xformResult */
1237 *xformResult = xformTemp;
1243 /***********************************************************************
1244 * SetDCHook (GDI32.@)
1246 * Note: this doesn't exist in Win32, we add it here because user32 needs it.
1248 BOOL WINAPI SetDCHook( HDC hdc, DCHOOKPROC hookProc, DWORD_PTR dwHookData )
1250 DC *dc = get_dc_ptr( hdc );
1252 if (!dc) return FALSE;
1254 dc->dwHookData = dwHookData;
1255 dc->hookProc = hookProc;
1256 release_dc_ptr( dc );
1261 /***********************************************************************
1262 * GetDCHook (GDI32.@)
1264 * Note: this doesn't exist in Win32, we add it here because user32 needs it.
1266 DWORD_PTR WINAPI GetDCHook( HDC hdc, DCHOOKPROC *proc )
1268 DC *dc = get_dc_ptr( hdc );
1272 if (proc) *proc = dc->hookProc;
1273 ret = dc->dwHookData;
1274 release_dc_ptr( dc );
1279 /***********************************************************************
1280 * SetHookFlags (GDI32.@)
1282 * Note: this doesn't exist in Win32, we add it here because user32 needs it.
1284 WORD WINAPI SetHookFlags( HDC hdc, WORD flags )
1286 DC *dc = get_dc_obj( hdc ); /* not get_dc_ptr, this needs to work from any thread */
1291 /* "Undocumented Windows" info is slightly confusing. */
1293 TRACE("hDC %p, flags %04x\n",hdc,flags);
1295 if (flags & DCHF_INVALIDATEVISRGN)
1296 ret = InterlockedExchange( &dc->dirty, 1 );
1297 else if (flags & DCHF_VALIDATEVISRGN || !flags)
1298 ret = InterlockedExchange( &dc->dirty, 0 );
1300 GDI_ReleaseObj( hdc );
1304 /***********************************************************************
1305 * SetICMMode (GDI32.@)
1307 INT WINAPI SetICMMode(HDC hdc, INT iEnableICM)
1309 /*FIXME: Assume that ICM is always off, and cannot be turned on */
1310 if (iEnableICM == ICM_OFF) return ICM_OFF;
1311 if (iEnableICM == ICM_ON) return 0;
1312 if (iEnableICM == ICM_QUERY) return ICM_OFF;
1316 /***********************************************************************
1317 * GetDeviceGammaRamp (GDI32.@)
1319 BOOL WINAPI GetDeviceGammaRamp(HDC hDC, LPVOID ptr)
1322 DC *dc = get_dc_ptr( hDC );
1326 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pGetDeviceGammaRamp );
1327 ret = physdev->funcs->pGetDeviceGammaRamp( physdev, ptr );
1328 release_dc_ptr( dc );
1333 /***********************************************************************
1334 * SetDeviceGammaRamp (GDI32.@)
1336 BOOL WINAPI SetDeviceGammaRamp(HDC hDC, LPVOID ptr)
1339 DC *dc = get_dc_ptr( hDC );
1343 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetDeviceGammaRamp );
1344 ret = physdev->funcs->pSetDeviceGammaRamp( physdev, ptr );
1345 release_dc_ptr( dc );
1350 /***********************************************************************
1351 * GetColorSpace (GDI32.@)
1353 HCOLORSPACE WINAPI GetColorSpace(HDC hdc)
1355 /*FIXME Need to to whatever GetColorSpace actually does */
1359 /***********************************************************************
1360 * CreateColorSpaceA (GDI32.@)
1362 HCOLORSPACE WINAPI CreateColorSpaceA( LPLOGCOLORSPACEA lpLogColorSpace )
1368 /***********************************************************************
1369 * CreateColorSpaceW (GDI32.@)
1371 HCOLORSPACE WINAPI CreateColorSpaceW( LPLOGCOLORSPACEW lpLogColorSpace )
1377 /***********************************************************************
1378 * DeleteColorSpace (GDI32.@)
1380 BOOL WINAPI DeleteColorSpace( HCOLORSPACE hColorSpace )
1387 /***********************************************************************
1388 * SetColorSpace (GDI32.@)
1390 HCOLORSPACE WINAPI SetColorSpace( HDC hDC, HCOLORSPACE hColorSpace )
1397 /***********************************************************************
1398 * GetBoundsRect (GDI32.@)
1400 UINT WINAPI GetBoundsRect(HDC hdc, LPRECT rect, UINT flags)
1403 DC *dc = get_dc_ptr( hdc );
1405 if ( !dc ) return 0;
1409 *rect = dc->BoundsRect;
1410 ret = ((dc->flags & DC_BOUNDS_SET) ? DCB_SET : DCB_RESET);
1415 if (flags & DCB_RESET)
1417 dc->BoundsRect.left = 0;
1418 dc->BoundsRect.top = 0;
1419 dc->BoundsRect.right = 0;
1420 dc->BoundsRect.bottom = 0;
1421 dc->flags &= ~DC_BOUNDS_SET;
1423 release_dc_ptr( dc );
1428 /***********************************************************************
1429 * SetBoundsRect (GDI32.@)
1431 UINT WINAPI SetBoundsRect(HDC hdc, const RECT* rect, UINT flags)
1436 if ((flags & DCB_ENABLE) && (flags & DCB_DISABLE)) return 0;
1437 if (!(dc = get_dc_ptr( hdc ))) return 0;
1439 ret = ((dc->flags & DC_BOUNDS_ENABLE) ? DCB_ENABLE : DCB_DISABLE) |
1440 ((dc->flags & DC_BOUNDS_SET) ? DCB_SET : DCB_RESET);
1442 if (flags & DCB_RESET)
1444 dc->BoundsRect.left = 0;
1445 dc->BoundsRect.top = 0;
1446 dc->BoundsRect.right = 0;
1447 dc->BoundsRect.bottom = 0;
1448 dc->flags &= ~DC_BOUNDS_SET;
1451 if ((flags & DCB_ACCUMULATE) && rect && rect->left < rect->right && rect->top < rect->bottom)
1453 if (dc->flags & DC_BOUNDS_SET)
1455 dc->BoundsRect.left = min( dc->BoundsRect.left, rect->left );
1456 dc->BoundsRect.top = min( dc->BoundsRect.top, rect->top );
1457 dc->BoundsRect.right = max( dc->BoundsRect.right, rect->right );
1458 dc->BoundsRect.bottom = max( dc->BoundsRect.bottom, rect->bottom );
1462 dc->BoundsRect = *rect;
1463 dc->flags |= DC_BOUNDS_SET;
1467 if (flags & DCB_ENABLE) dc->flags |= DC_BOUNDS_ENABLE;
1468 if (flags & DCB_DISABLE) dc->flags &= ~DC_BOUNDS_ENABLE;
1470 release_dc_ptr( dc );
1475 /***********************************************************************
1476 * GetRelAbs (GDI32.@)
1478 INT WINAPI GetRelAbs( HDC hdc, DWORD dwIgnore )
1481 DC *dc = get_dc_ptr( hdc );
1484 ret = dc->relAbsMode;
1485 release_dc_ptr( dc );
1493 /***********************************************************************
1494 * GetBkMode (GDI32.@)
1496 INT WINAPI GetBkMode( HDC hdc )
1499 DC * dc = get_dc_ptr( hdc );
1502 ret = dc->backgroundMode;
1503 release_dc_ptr( dc );
1509 /***********************************************************************
1510 * SetBkMode (GDI32.@)
1512 INT WINAPI SetBkMode( HDC hdc, INT mode )
1517 if ((mode <= 0) || (mode > BKMODE_LAST))
1519 SetLastError(ERROR_INVALID_PARAMETER);
1522 if ((dc = get_dc_ptr( hdc )))
1524 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetBkMode );
1525 mode = physdev->funcs->pSetBkMode( physdev, mode );
1528 ret = dc->backgroundMode;
1529 dc->backgroundMode = mode;
1531 release_dc_ptr( dc );
1537 /***********************************************************************
1540 INT WINAPI GetROP2( HDC hdc )
1543 DC * dc = get_dc_ptr( hdc );
1547 release_dc_ptr( dc );
1553 /***********************************************************************
1556 INT WINAPI SetROP2( HDC hdc, INT mode )
1561 if ((mode < R2_BLACK) || (mode > R2_WHITE))
1563 SetLastError(ERROR_INVALID_PARAMETER);
1566 if ((dc = get_dc_ptr( hdc )))
1568 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetROP2 );
1569 mode = physdev->funcs->pSetROP2( physdev, mode );
1575 release_dc_ptr( dc );
1581 /***********************************************************************
1582 * SetRelAbs (GDI32.@)
1584 INT WINAPI SetRelAbs( HDC hdc, INT mode )
1589 if ((mode != ABSOLUTE) && (mode != RELATIVE))
1591 SetLastError(ERROR_INVALID_PARAMETER);
1594 if ((dc = get_dc_ptr( hdc )))
1596 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetRelAbs );
1597 mode = physdev->funcs->pSetRelAbs( physdev, mode );
1600 ret = dc->relAbsMode;
1601 dc->relAbsMode = mode;
1603 release_dc_ptr( dc );
1609 /***********************************************************************
1610 * GetPolyFillMode (GDI32.@)
1612 INT WINAPI GetPolyFillMode( HDC hdc )
1615 DC * dc = get_dc_ptr( hdc );
1618 ret = dc->polyFillMode;
1619 release_dc_ptr( dc );
1625 /***********************************************************************
1626 * SetPolyFillMode (GDI32.@)
1628 INT WINAPI SetPolyFillMode( HDC hdc, INT mode )
1633 if ((mode <= 0) || (mode > POLYFILL_LAST))
1635 SetLastError(ERROR_INVALID_PARAMETER);
1638 if ((dc = get_dc_ptr( hdc )))
1640 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetPolyFillMode );
1641 mode = physdev->funcs->pSetPolyFillMode( physdev, mode );
1644 ret = dc->polyFillMode;
1645 dc->polyFillMode = mode;
1647 release_dc_ptr( dc );
1653 /***********************************************************************
1654 * GetStretchBltMode (GDI32.@)
1656 INT WINAPI GetStretchBltMode( HDC hdc )
1659 DC * dc = get_dc_ptr( hdc );
1662 ret = dc->stretchBltMode;
1663 release_dc_ptr( dc );
1669 /***********************************************************************
1670 * SetStretchBltMode (GDI32.@)
1672 INT WINAPI SetStretchBltMode( HDC hdc, INT mode )
1677 if ((mode <= 0) || (mode > MAXSTRETCHBLTMODE))
1679 SetLastError(ERROR_INVALID_PARAMETER);
1682 if ((dc = get_dc_ptr( hdc )))
1684 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetStretchBltMode );
1685 mode = physdev->funcs->pSetStretchBltMode( physdev, mode );
1688 ret = dc->stretchBltMode;
1689 dc->stretchBltMode = mode;
1691 release_dc_ptr( dc );
1697 /***********************************************************************
1698 * GetMapMode (GDI32.@)
1700 INT WINAPI GetMapMode( HDC hdc )
1703 DC * dc = get_dc_ptr( hdc );
1707 release_dc_ptr( dc );
1713 /***********************************************************************
1714 * GetBrushOrgEx (GDI32.@)
1716 BOOL WINAPI GetBrushOrgEx( HDC hdc, LPPOINT pt )
1718 DC * dc = get_dc_ptr( hdc );
1719 if (!dc) return FALSE;
1720 pt->x = dc->brushOrgX;
1721 pt->y = dc->brushOrgY;
1722 release_dc_ptr( dc );
1727 /***********************************************************************
1728 * GetCurrentPositionEx (GDI32.@)
1730 BOOL WINAPI GetCurrentPositionEx( HDC hdc, LPPOINT pt )
1732 DC * dc = get_dc_ptr( hdc );
1733 if (!dc) return FALSE;
1734 pt->x = dc->CursPosX;
1735 pt->y = dc->CursPosY;
1736 release_dc_ptr( dc );
1741 /***********************************************************************
1742 * GetViewportExtEx (GDI32.@)
1744 BOOL WINAPI GetViewportExtEx( HDC hdc, LPSIZE size )
1746 DC * dc = get_dc_ptr( hdc );
1747 if (!dc) return FALSE;
1748 size->cx = dc->vportExtX;
1749 size->cy = dc->vportExtY;
1750 release_dc_ptr( dc );
1755 /***********************************************************************
1756 * GetViewportOrgEx (GDI32.@)
1758 BOOL WINAPI GetViewportOrgEx( HDC hdc, LPPOINT pt )
1760 DC * dc = get_dc_ptr( hdc );
1761 if (!dc) return FALSE;
1762 pt->x = dc->vportOrgX;
1763 pt->y = dc->vportOrgY;
1764 release_dc_ptr( dc );
1769 /***********************************************************************
1770 * GetWindowExtEx (GDI32.@)
1772 BOOL WINAPI GetWindowExtEx( HDC hdc, LPSIZE size )
1774 DC * dc = get_dc_ptr( hdc );
1775 if (!dc) return FALSE;
1776 size->cx = dc->wndExtX;
1777 size->cy = dc->wndExtY;
1778 release_dc_ptr( dc );
1783 /***********************************************************************
1784 * GetWindowOrgEx (GDI32.@)
1786 BOOL WINAPI GetWindowOrgEx( HDC hdc, LPPOINT pt )
1788 DC * dc = get_dc_ptr( hdc );
1789 if (!dc) return FALSE;
1790 pt->x = dc->wndOrgX;
1791 pt->y = dc->wndOrgY;
1792 release_dc_ptr( dc );
1797 /***********************************************************************
1798 * GetLayout (GDI32.@)
1800 * Gets left->right or right->left text layout flags of a dc.
1803 DWORD WINAPI GetLayout(HDC hdc)
1805 DWORD layout = GDI_ERROR;
1807 DC * dc = get_dc_ptr( hdc );
1810 layout = dc->layout;
1811 release_dc_ptr( dc );
1814 TRACE("hdc : %p, layout : %08x\n", hdc, layout);
1819 /***********************************************************************
1820 * SetLayout (GDI32.@)
1822 * Sets left->right or right->left text layout flags of a dc.
1825 DWORD WINAPI SetLayout(HDC hdc, DWORD layout)
1827 DWORD oldlayout = GDI_ERROR;
1829 DC * dc = get_dc_ptr( hdc );
1832 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetLayout );
1833 layout = physdev->funcs->pSetLayout( physdev, layout );
1834 if (layout != GDI_ERROR)
1836 oldlayout = dc->layout;
1837 dc->layout = layout;
1838 if (layout != oldlayout)
1840 if (layout & LAYOUT_RTL) dc->MapMode = MM_ANISOTROPIC;
1841 DC_UpdateXforms( dc );
1844 release_dc_ptr( dc );
1847 TRACE("hdc : %p, old layout : %08x, new layout : %08x\n", hdc, oldlayout, layout);
1852 /***********************************************************************
1853 * GetDCBrushColor (GDI32.@)
1855 COLORREF WINAPI GetDCBrushColor(HDC hdc)
1858 COLORREF dcBrushColor = CLR_INVALID;
1860 TRACE("hdc(%p)\n", hdc);
1862 dc = get_dc_ptr( hdc );
1865 dcBrushColor = dc->dcBrushColor;
1866 release_dc_ptr( dc );
1869 return dcBrushColor;
1872 /***********************************************************************
1873 * SetDCBrushColor (GDI32.@)
1875 COLORREF WINAPI SetDCBrushColor(HDC hdc, COLORREF crColor)
1878 COLORREF oldClr = CLR_INVALID;
1880 TRACE("hdc(%p) crColor(%08x)\n", hdc, crColor);
1882 dc = get_dc_ptr( hdc );
1885 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetDCBrushColor );
1886 crColor = physdev->funcs->pSetDCBrushColor( physdev, crColor );
1887 if (crColor != CLR_INVALID)
1889 oldClr = dc->dcBrushColor;
1890 dc->dcBrushColor = crColor;
1892 release_dc_ptr( dc );
1898 /***********************************************************************
1899 * GetDCPenColor (GDI32.@)
1901 COLORREF WINAPI GetDCPenColor(HDC hdc)
1904 COLORREF dcPenColor = CLR_INVALID;
1906 TRACE("hdc(%p)\n", hdc);
1908 dc = get_dc_ptr( hdc );
1911 dcPenColor = dc->dcPenColor;
1912 release_dc_ptr( dc );
1918 /***********************************************************************
1919 * SetDCPenColor (GDI32.@)
1921 COLORREF WINAPI SetDCPenColor(HDC hdc, COLORREF crColor)
1924 COLORREF oldClr = CLR_INVALID;
1926 TRACE("hdc(%p) crColor(%08x)\n", hdc, crColor);
1928 dc = get_dc_ptr( hdc );
1931 PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetDCPenColor );
1932 crColor = physdev->funcs->pSetDCPenColor( physdev, crColor );
1933 if (crColor != CLR_INVALID)
1935 oldClr = dc->dcPenColor;
1936 dc->dcPenColor = crColor;
1938 release_dc_ptr( dc );
1944 /***********************************************************************
1945 * CancelDC (GDI32.@)
1947 BOOL WINAPI CancelDC(HDC hdc)
1953 /*******************************************************************
1954 * GetMiterLimit [GDI32.@]
1958 BOOL WINAPI GetMiterLimit(HDC hdc, PFLOAT peLimit)
1963 TRACE("(%p,%p)\n", hdc, peLimit);
1965 dc = get_dc_ptr( hdc );
1969 *peLimit = dc->miterLimit;
1971 release_dc_ptr( dc );
1977 /*******************************************************************
1978 * SetMiterLimit [GDI32.@]
1982 BOOL WINAPI SetMiterLimit(HDC hdc, FLOAT eNewLimit, PFLOAT peOldLimit)
1987 TRACE("(%p,%f,%p)\n", hdc, eNewLimit, peOldLimit);
1989 dc = get_dc_ptr( hdc );
1993 *peOldLimit = dc->miterLimit;
1994 dc->miterLimit = eNewLimit;
1995 release_dc_ptr( dc );
2001 /*******************************************************************
2002 * GdiIsMetaPrintDC [GDI32.@]
2004 BOOL WINAPI GdiIsMetaPrintDC(HDC hdc)
2010 /*******************************************************************
2011 * GdiIsMetaFileDC [GDI32.@]
2013 BOOL WINAPI GdiIsMetaFileDC(HDC hdc)
2017 switch( GetObjectType( hdc ) )
2026 /*******************************************************************
2027 * GdiIsPlayMetafileDC [GDI32.@]
2029 BOOL WINAPI GdiIsPlayMetafileDC(HDC hdc)