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
)
56 DC
*dc
= get_any_obj_ptr( hdc
, &type
);
67 GDI_ReleaseObj( hdc
);
68 SetLastError( ERROR_INVALID_HANDLE
);
74 /***********************************************************************
75 * set_initial_dc_state
77 static void set_initial_dc_state( DC
*dc
)
87 dc
->miterLimit
= 10.0f
; /* 10.0 is the default, from MSDN */
89 dc
->font_code_page
= CP_ACP
;
90 dc
->ROPmode
= R2_COPYPEN
;
91 dc
->polyFillMode
= ALTERNATE
;
92 dc
->stretchBltMode
= BLACKONWHITE
;
93 dc
->relAbsMode
= ABSOLUTE
;
94 dc
->backgroundMode
= OPAQUE
;
95 dc
->backgroundColor
= RGB( 255, 255, 255 );
96 dc
->dcBrushColor
= RGB( 255, 255, 255 );
97 dc
->dcPenColor
= RGB( 0, 0, 0 );
98 dc
->textColor
= RGB( 0, 0, 0 );
102 dc
->textAlign
= TA_LEFT
| TA_TOP
| TA_NOUPDATECP
;
106 dc
->MapMode
= MM_TEXT
;
107 dc
->GraphicsMode
= GM_COMPATIBLE
;
110 dc
->ArcDirection
= AD_COUNTERCLOCKWISE
;
111 dc
->xformWorld2Wnd
.eM11
= 1.0f
;
112 dc
->xformWorld2Wnd
.eM12
= 0.0f
;
113 dc
->xformWorld2Wnd
.eM21
= 0.0f
;
114 dc
->xformWorld2Wnd
.eM22
= 1.0f
;
115 dc
->xformWorld2Wnd
.eDx
= 0.0f
;
116 dc
->xformWorld2Wnd
.eDy
= 0.0f
;
117 dc
->xformWorld2Vport
= dc
->xformWorld2Wnd
;
118 dc
->xformVport2World
= dc
->xformWorld2Wnd
;
119 dc
->vport2WorldValid
= TRUE
;
121 reset_bounds( &dc
->bounds
);
124 /***********************************************************************
127 DC
*alloc_dc_ptr( WORD magic
)
131 if (!(dc
= HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*dc
) ))) return NULL
;
133 dc
->nulldrv
.funcs
= &null_driver
;
134 dc
->physDev
= &dc
->nulldrv
;
135 dc
->thread
= GetCurrentThreadId();
137 dc
->hPen
= GDI_inc_ref_count( GetStockObject( BLACK_PEN
));
138 dc
->hBrush
= GDI_inc_ref_count( GetStockObject( WHITE_BRUSH
));
139 dc
->hFont
= GDI_inc_ref_count( GetStockObject( SYSTEM_FONT
));
140 dc
->hPalette
= GetStockObject( DEFAULT_PALETTE
);
142 set_initial_dc_state( dc
);
144 if (!(dc
->hSelf
= alloc_gdi_handle( dc
, magic
, &dc_funcs
)))
146 HeapFree( GetProcessHeap(), 0, dc
);
149 dc
->nulldrv
.hdc
= dc
->hSelf
;
151 if (font_driver
&& !font_driver
->pCreateDC( &dc
->physDev
, NULL
, NULL
, NULL
, NULL
))
161 /***********************************************************************
164 static void free_dc_state( DC
*dc
)
166 if (dc
->hClipRgn
) DeleteObject( dc
->hClipRgn
);
167 if (dc
->hMetaRgn
) DeleteObject( dc
->hMetaRgn
);
168 if (dc
->hVisRgn
) DeleteObject( dc
->hVisRgn
);
169 if (dc
->region
) DeleteObject( dc
->region
);
170 if (dc
->path
) free_gdi_path( dc
->path
);
171 HeapFree( GetProcessHeap(), 0, dc
);
175 /***********************************************************************
178 void free_dc_ptr( DC
*dc
)
180 assert( dc
->refcount
== 1 );
182 while (dc
->physDev
!= &dc
->nulldrv
)
184 PHYSDEV physdev
= dc
->physDev
;
185 dc
->physDev
= physdev
->next
;
186 physdev
->funcs
->pDeleteDC( physdev
);
188 GDI_dec_ref_count( dc
->hPen
);
189 GDI_dec_ref_count( dc
->hBrush
);
190 GDI_dec_ref_count( dc
->hFont
);
191 if (dc
->hBitmap
) GDI_dec_ref_count( dc
->hBitmap
);
192 free_gdi_handle( dc
->hSelf
);
197 /***********************************************************************
200 * Retrieve a DC pointer but release the GDI lock.
202 DC
*get_dc_ptr( HDC hdc
)
204 DC
*dc
= get_dc_obj( hdc
);
205 if (!dc
) return NULL
;
207 if (!InterlockedCompareExchange( &dc
->refcount
, 1, 0 ))
209 dc
->thread
= GetCurrentThreadId();
211 else if (dc
->thread
!= GetCurrentThreadId())
213 WARN( "dc %p belongs to thread %04x\n", hdc
, dc
->thread
);
214 GDI_ReleaseObj( hdc
);
217 else InterlockedIncrement( &dc
->refcount
);
219 GDI_ReleaseObj( hdc
);
224 /***********************************************************************
227 void release_dc_ptr( DC
*dc
)
232 ref
= InterlockedDecrement( &dc
->refcount
);
234 if (ref
) dc
->thread
= GetCurrentThreadId(); /* we still own it */
238 /***********************************************************************
241 * Make sure the DC vis region is up to date.
242 * This function may call up to USER so the GDI lock should _not_
243 * be held when calling it.
245 void update_dc( DC
*dc
)
247 if (InterlockedExchange( &dc
->dirty
, 0 ) && dc
->hookProc
)
248 dc
->hookProc( dc
->hSelf
, DCHC_INVALIDVISRGN
, dc
->dwHookData
, 0 );
252 /***********************************************************************
255 static BOOL
DC_DeleteObject( HGDIOBJ handle
)
257 return DeleteDC( handle
);
261 /***********************************************************************
264 * Setup device-specific DC values for a newly created DC.
266 void DC_InitDC( DC
* dc
)
268 PHYSDEV physdev
= GET_DC_PHYSDEV( dc
, pRealizeDefaultPalette
);
269 physdev
->funcs
->pRealizeDefaultPalette( physdev
);
270 SetTextColor( dc
->hSelf
, dc
->textColor
);
271 SetBkColor( dc
->hSelf
, dc
->backgroundColor
);
272 SelectObject( dc
->hSelf
, dc
->hPen
);
273 SelectObject( dc
->hSelf
, dc
->hBrush
);
274 SelectObject( dc
->hSelf
, dc
->hFont
);
275 update_dc_clipping( dc
);
276 SetVirtualResolution( dc
->hSelf
, 0, 0, 0, 0 );
277 physdev
= GET_DC_PHYSDEV( dc
, pSetBoundsRect
);
278 physdev
->funcs
->pSetBoundsRect( physdev
, &dc
->bounds
, dc
->bounds_enabled
? DCB_ENABLE
: DCB_DISABLE
);
282 /***********************************************************************
285 * Computes the inverse of the transformation xformSrc and stores it to
286 * xformDest. Returns TRUE if successful or FALSE if the xformSrc matrix
289 static BOOL
DC_InvertXform( const XFORM
*xformSrc
, XFORM
*xformDest
)
293 determinant
= xformSrc
->eM11
*xformSrc
->eM22
-
294 xformSrc
->eM12
*xformSrc
->eM21
;
295 if (determinant
> -1e-12 && determinant
< 1e-12)
298 xformDest
->eM11
= xformSrc
->eM22
/ determinant
;
299 xformDest
->eM12
= -xformSrc
->eM12
/ determinant
;
300 xformDest
->eM21
= -xformSrc
->eM21
/ determinant
;
301 xformDest
->eM22
= xformSrc
->eM11
/ determinant
;
302 xformDest
->eDx
= -xformSrc
->eDx
* xformDest
->eM11
-
303 xformSrc
->eDy
* xformDest
->eM21
;
304 xformDest
->eDy
= -xformSrc
->eDx
* xformDest
->eM12
-
305 xformSrc
->eDy
* xformDest
->eM22
;
310 /* Construct a transformation to do the window-to-viewport conversion */
311 static void construct_window_to_viewport(DC
*dc
, XFORM
*xform
)
313 double scaleX
, scaleY
;
314 scaleX
= (double)dc
->vport_ext
.cx
/ (double)dc
->wnd_ext
.cx
;
315 scaleY
= (double)dc
->vport_ext
.cy
/ (double)dc
->wnd_ext
.cy
;
317 if (dc
->layout
& LAYOUT_RTL
) scaleX
= -scaleX
;
318 xform
->eM11
= scaleX
;
321 xform
->eM22
= scaleY
;
322 xform
->eDx
= (double)dc
->vport_org
.x
- scaleX
* (double)dc
->wnd_org
.x
;
323 xform
->eDy
= (double)dc
->vport_org
.y
- scaleY
* (double)dc
->wnd_org
.y
;
324 if (dc
->layout
& LAYOUT_RTL
) xform
->eDx
= dc
->vis_rect
.right
- dc
->vis_rect
.left
- 1 - xform
->eDx
;
327 /***********************************************************************
330 * Compares the linear transform portion of two XFORMs (i.e. the 2x2 submatrix).
331 * Returns 0 if they match.
333 static inline int linear_xform_cmp( const XFORM
*a
, const XFORM
*b
)
335 return memcmp( a
, b
, FIELD_OFFSET( XFORM
, eDx
) );
338 /***********************************************************************
341 * Updates the xformWorld2Vport, xformVport2World and vport2WorldValid
342 * fields of the specified DC by creating a transformation that
343 * represents the current mapping mode and combining it with the DC's
344 * world transform. This function should be called whenever the
345 * parameters associated with the mapping mode (window and viewport
346 * extents and origins) or the world transform change.
348 void DC_UpdateXforms( DC
*dc
)
350 XFORM xformWnd2Vport
, oldworld2vport
;
352 construct_window_to_viewport(dc
, &xformWnd2Vport
);
354 oldworld2vport
= dc
->xformWorld2Vport
;
355 /* Combine with the world transformation */
356 CombineTransform( &dc
->xformWorld2Vport
, &dc
->xformWorld2Wnd
,
359 /* Create inverse of world-to-viewport transformation */
360 dc
->vport2WorldValid
= DC_InvertXform( &dc
->xformWorld2Vport
,
361 &dc
->xformVport2World
);
363 /* Reselect the font and pen back into the dc so that the size
365 if (linear_xform_cmp( &oldworld2vport
, &dc
->xformWorld2Vport
) &&
366 !GdiIsMetaFileDC(dc
->hSelf
))
368 SelectObject(dc
->hSelf
, dc
->hFont
);
369 SelectObject(dc
->hSelf
, dc
->hPen
);
374 /***********************************************************************
377 INT
nulldrv_SaveDC( PHYSDEV dev
)
379 DC
*newdc
, *dc
= get_nulldrv_dc( dev
);
381 if (!(newdc
= HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*newdc
)))) return 0;
382 newdc
->layout
= dc
->layout
;
383 newdc
->hPen
= dc
->hPen
;
384 newdc
->hBrush
= dc
->hBrush
;
385 newdc
->hFont
= dc
->hFont
;
386 newdc
->hBitmap
= dc
->hBitmap
;
387 newdc
->hPalette
= dc
->hPalette
;
388 newdc
->ROPmode
= dc
->ROPmode
;
389 newdc
->polyFillMode
= dc
->polyFillMode
;
390 newdc
->stretchBltMode
= dc
->stretchBltMode
;
391 newdc
->relAbsMode
= dc
->relAbsMode
;
392 newdc
->backgroundMode
= dc
->backgroundMode
;
393 newdc
->backgroundColor
= dc
->backgroundColor
;
394 newdc
->textColor
= dc
->textColor
;
395 newdc
->dcBrushColor
= dc
->dcBrushColor
;
396 newdc
->dcPenColor
= dc
->dcPenColor
;
397 newdc
->brush_org
= dc
->brush_org
;
398 newdc
->mapperFlags
= dc
->mapperFlags
;
399 newdc
->textAlign
= dc
->textAlign
;
400 newdc
->charExtra
= dc
->charExtra
;
401 newdc
->breakExtra
= dc
->breakExtra
;
402 newdc
->breakRem
= dc
->breakRem
;
403 newdc
->MapMode
= dc
->MapMode
;
404 newdc
->GraphicsMode
= dc
->GraphicsMode
;
405 newdc
->cur_pos
= dc
->cur_pos
;
406 newdc
->ArcDirection
= dc
->ArcDirection
;
407 newdc
->xformWorld2Wnd
= dc
->xformWorld2Wnd
;
408 newdc
->xformWorld2Vport
= dc
->xformWorld2Vport
;
409 newdc
->xformVport2World
= dc
->xformVport2World
;
410 newdc
->vport2WorldValid
= dc
->vport2WorldValid
;
411 newdc
->wnd_org
= dc
->wnd_org
;
412 newdc
->wnd_ext
= dc
->wnd_ext
;
413 newdc
->vport_org
= dc
->vport_org
;
414 newdc
->vport_ext
= dc
->vport_ext
;
415 newdc
->virtual_res
= dc
->virtual_res
;
416 newdc
->virtual_size
= dc
->virtual_size
;
418 /* Get/SetDCState() don't change hVisRgn field ("Undoc. Windows" p.559). */
422 newdc
->hClipRgn
= CreateRectRgn( 0, 0, 0, 0 );
423 CombineRgn( newdc
->hClipRgn
, dc
->hClipRgn
, 0, RGN_COPY
);
427 newdc
->hMetaRgn
= CreateRectRgn( 0, 0, 0, 0 );
428 CombineRgn( newdc
->hMetaRgn
, dc
->hMetaRgn
, 0, RGN_COPY
);
431 if (!PATH_SavePath( newdc
, dc
))
433 release_dc_ptr( dc
);
434 free_dc_state( newdc
);
438 newdc
->saved_dc
= dc
->saved_dc
;
439 dc
->saved_dc
= newdc
;
440 return ++dc
->saveLevel
;
444 /***********************************************************************
447 BOOL
nulldrv_RestoreDC( PHYSDEV dev
, INT level
)
449 DC
*dcs
, *first_dcs
, *dc
= get_nulldrv_dc( dev
);
452 /* find the state level to restore */
454 if (abs(level
) > dc
->saveLevel
|| level
== 0) return FALSE
;
455 if (level
< 0) level
= dc
->saveLevel
+ level
+ 1;
456 first_dcs
= dc
->saved_dc
;
457 for (dcs
= first_dcs
, save_level
= dc
->saveLevel
; save_level
> level
; save_level
--)
460 /* restore the state */
462 if (!PATH_RestorePath( dc
, dcs
)) return FALSE
;
464 dc
->layout
= dcs
->layout
;
465 dc
->ROPmode
= dcs
->ROPmode
;
466 dc
->polyFillMode
= dcs
->polyFillMode
;
467 dc
->stretchBltMode
= dcs
->stretchBltMode
;
468 dc
->relAbsMode
= dcs
->relAbsMode
;
469 dc
->backgroundMode
= dcs
->backgroundMode
;
470 dc
->backgroundColor
= dcs
->backgroundColor
;
471 dc
->textColor
= dcs
->textColor
;
472 dc
->dcBrushColor
= dcs
->dcBrushColor
;
473 dc
->dcPenColor
= dcs
->dcPenColor
;
474 dc
->brush_org
= dcs
->brush_org
;
475 dc
->mapperFlags
= dcs
->mapperFlags
;
476 dc
->textAlign
= dcs
->textAlign
;
477 dc
->charExtra
= dcs
->charExtra
;
478 dc
->breakExtra
= dcs
->breakExtra
;
479 dc
->breakRem
= dcs
->breakRem
;
480 dc
->MapMode
= dcs
->MapMode
;
481 dc
->GraphicsMode
= dcs
->GraphicsMode
;
482 dc
->cur_pos
= dcs
->cur_pos
;
483 dc
->ArcDirection
= dcs
->ArcDirection
;
484 dc
->xformWorld2Wnd
= dcs
->xformWorld2Wnd
;
485 dc
->xformWorld2Vport
= dcs
->xformWorld2Vport
;
486 dc
->xformVport2World
= dcs
->xformVport2World
;
487 dc
->vport2WorldValid
= dcs
->vport2WorldValid
;
488 dc
->wnd_org
= dcs
->wnd_org
;
489 dc
->wnd_ext
= dcs
->wnd_ext
;
490 dc
->vport_org
= dcs
->vport_org
;
491 dc
->vport_ext
= dcs
->vport_ext
;
492 dc
->virtual_res
= dcs
->virtual_res
;
493 dc
->virtual_size
= dcs
->virtual_size
;
497 if (!dc
->hClipRgn
) dc
->hClipRgn
= CreateRectRgn( 0, 0, 0, 0 );
498 CombineRgn( dc
->hClipRgn
, dcs
->hClipRgn
, 0, RGN_COPY
);
502 if (dc
->hClipRgn
) DeleteObject( dc
->hClipRgn
);
507 if (!dc
->hMetaRgn
) dc
->hMetaRgn
= CreateRectRgn( 0, 0, 0, 0 );
508 CombineRgn( dc
->hMetaRgn
, dcs
->hMetaRgn
, 0, RGN_COPY
);
512 if (dc
->hMetaRgn
) DeleteObject( dc
->hMetaRgn
);
515 DC_UpdateXforms( dc
);
516 update_dc_clipping( dc
);
518 SelectObject( dev
->hdc
, dcs
->hBitmap
);
519 SelectObject( dev
->hdc
, dcs
->hBrush
);
520 SelectObject( dev
->hdc
, dcs
->hFont
);
521 SelectObject( dev
->hdc
, dcs
->hPen
);
522 SetBkColor( dev
->hdc
, dcs
->backgroundColor
);
523 SetTextColor( dev
->hdc
, dcs
->textColor
);
524 GDISelectPalette( dev
->hdc
, dcs
->hPalette
, FALSE
);
526 dc
->saved_dc
= dcs
->saved_dc
;
528 dc
->saveLevel
= save_level
- 1;
530 /* now destroy all the saved DCs */
534 DC
*next
= first_dcs
->saved_dc
;
535 free_dc_state( first_dcs
);
542 /***********************************************************************
545 static BOOL
reset_dc_state( HDC hdc
)
549 if (!(dc
= get_dc_ptr( hdc
))) return FALSE
;
551 set_initial_dc_state( dc
);
552 SetBkColor( hdc
, RGB( 255, 255, 255 ));
553 SetTextColor( hdc
, RGB( 0, 0, 0 ));
554 SelectObject( hdc
, GetStockObject( WHITE_BRUSH
));
555 SelectObject( hdc
, GetStockObject( SYSTEM_FONT
));
556 SelectObject( hdc
, GetStockObject( BLACK_PEN
));
557 SetVirtualResolution( hdc
, 0, 0, 0, 0 );
558 GDISelectPalette( hdc
, GetStockObject( DEFAULT_PALETTE
), FALSE
);
559 SetBoundsRect( hdc
, NULL
, DCB_DISABLE
);
562 if (dc
->hClipRgn
) DeleteObject( dc
->hClipRgn
);
563 if (dc
->hMetaRgn
) DeleteObject( dc
->hMetaRgn
);
566 update_dc_clipping( dc
);
568 for (dcs
= dc
->saved_dc
; dcs
; dcs
= next
)
570 next
= dcs
->saved_dc
;
571 free_dc_state( dcs
);
575 release_dc_ptr( dc
);
580 /***********************************************************************
583 INT WINAPI
SaveDC( HDC hdc
)
588 if ((dc
= get_dc_ptr( hdc
)))
590 PHYSDEV physdev
= GET_DC_PHYSDEV( dc
, pSaveDC
);
591 ret
= physdev
->funcs
->pSaveDC( physdev
);
592 release_dc_ptr( dc
);
598 /***********************************************************************
599 * RestoreDC (GDI32.@)
601 BOOL WINAPI
RestoreDC( HDC hdc
, INT level
)
605 BOOL success
= FALSE
;
607 TRACE("%p %d\n", hdc
, level
);
608 if ((dc
= get_dc_ptr( hdc
)))
611 physdev
= GET_DC_PHYSDEV( dc
, pRestoreDC
);
612 success
= physdev
->funcs
->pRestoreDC( physdev
, level
);
613 release_dc_ptr( dc
);
619 /***********************************************************************
620 * CreateDCW (GDI32.@)
622 HDC WINAPI
CreateDCW( LPCWSTR driver
, LPCWSTR device
, LPCWSTR output
,
623 const DEVMODEW
*initData
)
627 const struct gdi_dc_funcs
*funcs
;
632 if (!device
|| !DRIVER_GetDriverName( device
, buf
, 300 ))
636 ERR( "no device found for %s\n", debugstr_w(device
) );
639 strcpyW(buf
, driver
);
642 if (!(funcs
= DRIVER_load_driver( buf
)))
644 ERR( "no driver found for %s\n", debugstr_w(buf
) );
647 if (!(dc
= alloc_dc_ptr( OBJ_DC
))) return 0;
650 dc
->hBitmap
= GDI_inc_ref_count( GetStockObject( DEFAULT_BITMAP
));
652 TRACE("(driver=%s, device=%s, output=%s): returning %p\n",
653 debugstr_w(driver
), debugstr_w(device
), debugstr_w(output
), dc
->hSelf
);
655 if (funcs
->pCreateDC
)
657 if (!funcs
->pCreateDC( &dc
->physDev
, buf
, device
, output
, initData
))
659 WARN("creation aborted by device\n" );
665 dc
->vis_rect
.left
= 0;
666 dc
->vis_rect
.top
= 0;
667 dc
->vis_rect
.right
= GetDeviceCaps( hdc
, DESKTOPHORZRES
);
668 dc
->vis_rect
.bottom
= GetDeviceCaps( hdc
, DESKTOPVERTRES
);
671 release_dc_ptr( dc
);
676 /***********************************************************************
677 * CreateDCA (GDI32.@)
679 HDC WINAPI
CreateDCA( LPCSTR driver
, LPCSTR device
, LPCSTR output
,
680 const DEVMODEA
*initData
)
682 UNICODE_STRING driverW
, deviceW
, outputW
;
686 if (driver
) RtlCreateUnicodeStringFromAsciiz(&driverW
, driver
);
687 else driverW
.Buffer
= NULL
;
689 if (device
) RtlCreateUnicodeStringFromAsciiz(&deviceW
, device
);
690 else deviceW
.Buffer
= NULL
;
692 if (output
) RtlCreateUnicodeStringFromAsciiz(&outputW
, output
);
693 else outputW
.Buffer
= NULL
;
698 /* don't convert initData for DISPLAY driver, it's not used */
699 if (!driverW
.Buffer
|| strcmpiW( driverW
.Buffer
, displayW
))
700 initDataW
= GdiConvertToDevmodeW(initData
);
703 ret
= CreateDCW( driverW
.Buffer
, deviceW
.Buffer
, outputW
.Buffer
, initDataW
);
705 RtlFreeUnicodeString(&driverW
);
706 RtlFreeUnicodeString(&deviceW
);
707 RtlFreeUnicodeString(&outputW
);
708 HeapFree(GetProcessHeap(), 0, initDataW
);
713 /***********************************************************************
714 * CreateICA (GDI32.@)
716 HDC WINAPI
CreateICA( LPCSTR driver
, LPCSTR device
, LPCSTR output
,
717 const DEVMODEA
* initData
)
719 /* Nothing special yet for ICs */
720 return CreateDCA( driver
, device
, output
, initData
);
724 /***********************************************************************
725 * CreateICW (GDI32.@)
727 HDC WINAPI
CreateICW( LPCWSTR driver
, LPCWSTR device
, LPCWSTR output
,
728 const DEVMODEW
* initData
)
730 /* Nothing special yet for ICs */
731 return CreateDCW( driver
, device
, output
, initData
);
735 /***********************************************************************
736 * CreateCompatibleDC (GDI32.@)
738 HDC WINAPI
CreateCompatibleDC( HDC hdc
)
742 const struct gdi_dc_funcs
*funcs
;
743 PHYSDEV physDev
= NULL
;
749 if (!(origDC
= get_dc_ptr( hdc
))) return 0;
750 physDev
= GET_DC_PHYSDEV( origDC
, pCreateCompatibleDC
);
751 funcs
= physDev
->funcs
;
752 release_dc_ptr( origDC
);
754 else funcs
= DRIVER_load_driver( displayW
);
756 if (!(dc
= alloc_dc_ptr( OBJ_MEMDC
))) return 0;
758 TRACE("(%p): returning %p\n", hdc
, dc
->hSelf
);
760 dc
->hBitmap
= GDI_inc_ref_count( GetStockObject( DEFAULT_BITMAP
));
761 dc
->vis_rect
.left
= 0;
762 dc
->vis_rect
.top
= 0;
763 dc
->vis_rect
.right
= 1;
764 dc
->vis_rect
.bottom
= 1;
765 dc
->device_rect
= dc
->vis_rect
;
769 if (funcs
->pCreateCompatibleDC
&& !funcs
->pCreateCompatibleDC( physDev
, &dc
->physDev
))
771 WARN("creation aborted by device\n");
776 if (!dib_driver
.pCreateDC( &dc
->physDev
, NULL
, NULL
, NULL
, NULL
))
781 physDev
= GET_DC_PHYSDEV( dc
, pSelectBitmap
);
782 physDev
->funcs
->pSelectBitmap( physDev
, dc
->hBitmap
);
785 release_dc_ptr( dc
);
790 /***********************************************************************
793 BOOL WINAPI
DeleteDC( HDC hdc
)
801 if (!(dc
= get_dc_ptr( hdc
))) return FALSE
;
802 if (dc
->refcount
!= 1)
804 FIXME( "not deleting busy DC %p refcount %u\n", dc
->hSelf
, dc
->refcount
);
805 release_dc_ptr( dc
);
809 /* Call hook procedure to check whether is it OK to delete this DC */
810 if (dc
->hookProc
&& !dc
->hookProc( dc
->hSelf
, DCHC_DELETEDC
, dc
->dwHookData
, 0 ))
812 release_dc_ptr( dc
);
815 reset_dc_state( hdc
);
821 /***********************************************************************
824 HDC WINAPI
ResetDCW( HDC hdc
, const DEVMODEW
*devmode
)
829 if ((dc
= get_dc_ptr( hdc
)))
831 PHYSDEV physdev
= GET_DC_PHYSDEV( dc
, pResetDC
);
832 ret
= physdev
->funcs
->pResetDC( physdev
, devmode
);
833 if (ret
) /* reset the visible region */
836 dc
->vis_rect
.left
= 0;
837 dc
->vis_rect
.top
= 0;
838 dc
->vis_rect
.right
= GetDeviceCaps( hdc
, DESKTOPHORZRES
);
839 dc
->vis_rect
.bottom
= GetDeviceCaps( hdc
, DESKTOPVERTRES
);
840 if (dc
->hVisRgn
) DeleteObject( dc
->hVisRgn
);
842 update_dc_clipping( dc
);
844 release_dc_ptr( dc
);
850 /***********************************************************************
853 HDC WINAPI
ResetDCA( HDC hdc
, const DEVMODEA
*devmode
)
858 if (devmode
) devmodeW
= GdiConvertToDevmodeW(devmode
);
859 else devmodeW
= NULL
;
861 ret
= ResetDCW(hdc
, devmodeW
);
863 HeapFree(GetProcessHeap(), 0, devmodeW
);
868 /***********************************************************************
869 * GetDeviceCaps (GDI32.@)
871 INT WINAPI
GetDeviceCaps( HDC hdc
, INT cap
)
876 if ((dc
= get_dc_ptr( hdc
)))
878 PHYSDEV physdev
= GET_DC_PHYSDEV( dc
, pGetDeviceCaps
);
879 ret
= physdev
->funcs
->pGetDeviceCaps( physdev
, cap
);
880 release_dc_ptr( dc
);
886 /***********************************************************************
887 * GetBkColor (GDI32.@)
889 COLORREF WINAPI
GetBkColor( HDC hdc
)
892 DC
* dc
= get_dc_ptr( hdc
);
895 ret
= dc
->backgroundColor
;
896 release_dc_ptr( dc
);
902 /***********************************************************************
903 * SetBkColor (GDI32.@)
905 COLORREF WINAPI
SetBkColor( HDC hdc
, COLORREF color
)
907 COLORREF ret
= CLR_INVALID
;
908 DC
* dc
= get_dc_ptr( hdc
);
910 TRACE("hdc=%p color=0x%08x\n", hdc
, color
);
914 PHYSDEV physdev
= GET_DC_PHYSDEV( dc
, pSetBkColor
);
915 ret
= dc
->backgroundColor
;
916 dc
->backgroundColor
= physdev
->funcs
->pSetBkColor( physdev
, color
);
917 release_dc_ptr( dc
);
923 /***********************************************************************
924 * GetTextColor (GDI32.@)
926 COLORREF WINAPI
GetTextColor( HDC hdc
)
929 DC
* dc
= get_dc_ptr( hdc
);
933 release_dc_ptr( dc
);
939 /***********************************************************************
940 * SetTextColor (GDI32.@)
942 COLORREF WINAPI
SetTextColor( HDC hdc
, COLORREF color
)
944 COLORREF ret
= CLR_INVALID
;
945 DC
* dc
= get_dc_ptr( hdc
);
947 TRACE(" hdc=%p color=0x%08x\n", hdc
, color
);
951 PHYSDEV physdev
= GET_DC_PHYSDEV( dc
, pSetTextColor
);
953 dc
->textColor
= physdev
->funcs
->pSetTextColor( physdev
, color
);
954 release_dc_ptr( dc
);
960 /***********************************************************************
961 * GetTextAlign (GDI32.@)
963 UINT WINAPI
GetTextAlign( HDC hdc
)
966 DC
* dc
= get_dc_ptr( hdc
);
970 release_dc_ptr( dc
);
976 /***********************************************************************
977 * SetTextAlign (GDI32.@)
979 UINT WINAPI
SetTextAlign( HDC hdc
, UINT align
)
981 UINT ret
= GDI_ERROR
;
982 DC
*dc
= get_dc_ptr( hdc
);
984 TRACE("hdc=%p align=%d\n", hdc
, align
);
988 PHYSDEV physdev
= GET_DC_PHYSDEV( dc
, pSetTextAlign
);
989 align
= physdev
->funcs
->pSetTextAlign( physdev
, align
);
990 if (align
!= GDI_ERROR
)
993 dc
->textAlign
= align
;
995 release_dc_ptr( dc
);
1000 /***********************************************************************
1001 * GetDCOrgEx (GDI32.@)
1003 BOOL WINAPI
GetDCOrgEx( HDC hDC
, LPPOINT lpp
)
1007 if (!lpp
) return FALSE
;
1008 if (!(dc
= get_dc_ptr( hDC
))) return FALSE
;
1009 lpp
->x
= dc
->vis_rect
.left
;
1010 lpp
->y
= dc
->vis_rect
.top
;
1011 release_dc_ptr( dc
);
1016 /***********************************************************************
1017 * GetGraphicsMode (GDI32.@)
1019 INT WINAPI
GetGraphicsMode( HDC hdc
)
1022 DC
* dc
= get_dc_ptr( hdc
);
1025 ret
= dc
->GraphicsMode
;
1026 release_dc_ptr( dc
);
1032 /***********************************************************************
1033 * SetGraphicsMode (GDI32.@)
1035 INT WINAPI
SetGraphicsMode( HDC hdc
, INT mode
)
1038 DC
*dc
= get_dc_ptr( hdc
);
1040 /* One would think that setting the graphics mode to GM_COMPATIBLE
1041 * would also reset the world transformation matrix to the unity
1042 * matrix. However, in Windows, this is not the case. This doesn't
1043 * make a lot of sense to me, but that's the way it is.
1046 if ((mode
> 0) && (mode
<= GM_LAST
))
1048 ret
= dc
->GraphicsMode
;
1049 dc
->GraphicsMode
= mode
;
1051 /* font metrics depend on the graphics mode */
1052 if (ret
!= mode
) SelectObject(dc
->hSelf
, dc
->hFont
);
1053 release_dc_ptr( dc
);
1058 /***********************************************************************
1059 * GetArcDirection (GDI32.@)
1061 INT WINAPI
GetArcDirection( HDC hdc
)
1064 DC
* dc
= get_dc_ptr( hdc
);
1067 ret
= dc
->ArcDirection
;
1068 release_dc_ptr( dc
);
1074 /***********************************************************************
1075 * SetArcDirection (GDI32.@)
1077 INT WINAPI
SetArcDirection( HDC hdc
, INT dir
)
1082 if (dir
!= AD_COUNTERCLOCKWISE
&& dir
!= AD_CLOCKWISE
)
1084 SetLastError(ERROR_INVALID_PARAMETER
);
1088 if ((dc
= get_dc_ptr( hdc
)))
1090 PHYSDEV physdev
= GET_DC_PHYSDEV( dc
, pSetArcDirection
);
1091 dir
= physdev
->funcs
->pSetArcDirection( physdev
, dir
);
1094 ret
= dc
->ArcDirection
;
1095 dc
->ArcDirection
= dir
;
1097 release_dc_ptr( dc
);
1103 /***********************************************************************
1104 * GetWorldTransform (GDI32.@)
1106 BOOL WINAPI
GetWorldTransform( HDC hdc
, LPXFORM xform
)
1109 if (!xform
) return FALSE
;
1110 if (!(dc
= get_dc_ptr( hdc
))) return FALSE
;
1111 *xform
= dc
->xformWorld2Wnd
;
1112 release_dc_ptr( dc
);
1117 /***********************************************************************
1118 * GetTransform (GDI32.@)
1122 * Returns one of the co-ordinate space transforms
1125 * hdc [I] Device context.
1126 * which [I] Which xform to return:
1127 * 0x203 World -> Page transform (that set by SetWorldTransform).
1128 * 0x304 Page -> Device transform (the mapping mode transform).
1129 * 0x204 World -> Device transform (the combination of the above two).
1130 * 0x402 Device -> World transform (the inversion of the above).
1131 * xform [O] The xform.
1134 BOOL WINAPI
GetTransform( HDC hdc
, DWORD which
, XFORM
*xform
)
1137 DC
*dc
= get_dc_ptr( hdc
);
1138 if (!dc
) return FALSE
;
1143 *xform
= dc
->xformWorld2Wnd
;
1147 construct_window_to_viewport(dc
, xform
);
1151 *xform
= dc
->xformWorld2Vport
;
1155 *xform
= dc
->xformVport2World
;
1159 FIXME("Unknown code %x\n", which
);
1163 release_dc_ptr( dc
);
1168 /****************************************************************************
1169 * CombineTransform [GDI32.@]
1170 * Combines two transformation matrices.
1173 * xformResult [O] Stores the result of combining the two matrices
1174 * xform1 [I] Specifies the first matrix to apply
1175 * xform2 [I] Specifies the second matrix to apply
1178 * The same matrix can be passed in for more than one of the parameters.
1182 * Failure: FALSE. Use GetLastError() to determine the cause.
1184 BOOL WINAPI
CombineTransform( LPXFORM xformResult
, const XFORM
*xform1
,
1185 const XFORM
*xform2
)
1189 /* Check for illegal parameters */
1190 if (!xformResult
|| !xform1
|| !xform2
)
1193 /* Create the result in a temporary XFORM, since xformResult may be
1194 * equal to xform1 or xform2 */
1195 xformTemp
.eM11
= xform1
->eM11
* xform2
->eM11
+
1196 xform1
->eM12
* xform2
->eM21
;
1197 xformTemp
.eM12
= xform1
->eM11
* xform2
->eM12
+
1198 xform1
->eM12
* xform2
->eM22
;
1199 xformTemp
.eM21
= xform1
->eM21
* xform2
->eM11
+
1200 xform1
->eM22
* xform2
->eM21
;
1201 xformTemp
.eM22
= xform1
->eM21
* xform2
->eM12
+
1202 xform1
->eM22
* xform2
->eM22
;
1203 xformTemp
.eDx
= xform1
->eDx
* xform2
->eM11
+
1204 xform1
->eDy
* xform2
->eM21
+
1206 xformTemp
.eDy
= xform1
->eDx
* xform2
->eM12
+
1207 xform1
->eDy
* xform2
->eM22
+
1210 /* Copy the result to xformResult */
1211 *xformResult
= xformTemp
;
1217 /***********************************************************************
1218 * SetDCHook (GDI32.@)
1220 * Note: this doesn't exist in Win32, we add it here because user32 needs it.
1222 BOOL WINAPI
SetDCHook( HDC hdc
, DCHOOKPROC hookProc
, DWORD_PTR dwHookData
)
1224 DC
*dc
= get_dc_ptr( hdc
);
1226 if (!dc
) return FALSE
;
1228 dc
->dwHookData
= dwHookData
;
1229 dc
->hookProc
= hookProc
;
1230 release_dc_ptr( dc
);
1235 /***********************************************************************
1236 * GetDCHook (GDI32.@)
1238 * Note: this doesn't exist in Win32, we add it here because user32 needs it.
1240 DWORD_PTR WINAPI
GetDCHook( HDC hdc
, DCHOOKPROC
*proc
)
1242 DC
*dc
= get_dc_ptr( hdc
);
1246 if (proc
) *proc
= dc
->hookProc
;
1247 ret
= dc
->dwHookData
;
1248 release_dc_ptr( dc
);
1253 /***********************************************************************
1254 * SetHookFlags (GDI32.@)
1256 * Note: this doesn't exist in Win32, we add it here because user32 needs it.
1258 WORD WINAPI
SetHookFlags( HDC hdc
, WORD flags
)
1260 DC
*dc
= get_dc_obj( hdc
); /* not get_dc_ptr, this needs to work from any thread */
1265 TRACE("hDC %p, flags %04x\n",hdc
,flags
);
1267 if (flags
& DCHF_INVALIDATEVISRGN
)
1268 ret
= InterlockedExchange( &dc
->dirty
, 1 );
1269 else if (flags
& DCHF_VALIDATEVISRGN
|| !flags
)
1270 ret
= InterlockedExchange( &dc
->dirty
, 0 );
1272 GDI_ReleaseObj( hdc
);
1274 if (flags
& DCHF_RESETDC
) ret
= reset_dc_state( hdc
);
1278 /***********************************************************************
1279 * SetICMMode (GDI32.@)
1281 INT WINAPI
SetICMMode(HDC hdc
, INT iEnableICM
)
1283 /*FIXME: Assume that ICM is always off, and cannot be turned on */
1284 if (iEnableICM
== ICM_OFF
) return ICM_OFF
;
1285 if (iEnableICM
== ICM_ON
) return 0;
1286 if (iEnableICM
== ICM_QUERY
) return ICM_OFF
;
1290 /***********************************************************************
1291 * GetDeviceGammaRamp (GDI32.@)
1293 BOOL WINAPI
GetDeviceGammaRamp(HDC hDC
, LPVOID ptr
)
1296 DC
*dc
= get_dc_ptr( hDC
);
1298 TRACE("%p, %p\n", hDC
, ptr
);
1301 if (GetObjectType( hDC
) != OBJ_MEMDC
)
1303 PHYSDEV physdev
= GET_DC_PHYSDEV( dc
, pGetDeviceGammaRamp
);
1304 ret
= physdev
->funcs
->pGetDeviceGammaRamp( physdev
, ptr
);
1306 else SetLastError( ERROR_INVALID_PARAMETER
);
1307 release_dc_ptr( dc
);
1312 static BOOL
check_gamma_ramps(void *ptr
)
1316 while (ramp
< (WORD
*)ptr
+ 3 * 256)
1318 float r_x
, r_y
, r_lx
, r_ly
, r_d
, r_v
, r_e
, g_avg
, g_min
, g_max
;
1319 unsigned i
, f
, l
, g_n
, c
;
1325 TRACE("inverted or flat gamma ramp (%d->%d), rejected\n", f
, l
);
1329 g_min
= g_max
= g_avg
= 0.0;
1331 /* check gamma ramp entries to estimate the gamma */
1332 TRACE("analyzing gamma ramp (%d->%d)\n", f
, l
);
1333 for (i
=1, g_n
=0; i
<255; i
++)
1335 if (ramp
[i
] < f
|| ramp
[i
] > l
)
1337 TRACE("strange gamma ramp ([%d]=%d for %d->%d), rejected\n", i
, ramp
[i
], f
, l
);
1341 if (!c
) continue; /* avoid log(0) */
1343 /* normalize entry values into 0..1 range */
1344 r_x
= i
/255.0; r_y
= c
/ r_d
;
1345 /* compute logarithms of values */
1346 r_lx
= log(r_x
); r_ly
= log(r_y
);
1347 /* compute gamma for this entry */
1349 /* compute differential (error estimate) for this entry */
1350 /* some games use table-based logarithms that magnifies the error by 128 */
1351 r_e
= -r_lx
* 128 / (c
* r_lx
* r_lx
);
1353 /* compute min & max while compensating for estimated error */
1354 if (!g_n
|| g_min
> (r_v
+ r_e
)) g_min
= r_v
+ r_e
;
1355 if (!g_n
|| g_max
< (r_v
- r_e
)) g_max
= r_v
- r_e
;
1357 /* add to average */
1364 TRACE("no gamma data, shouldn't happen\n");
1368 TRACE("low bias is %d, high is %d, gamma is %5.3f\n", f
, 65535-l
, g_avg
);
1370 /* check that the gamma is reasonably uniform across the ramp */
1371 if (g_max
- g_min
> 12.8)
1373 TRACE("ramp not uniform (max=%f, min=%f, avg=%f), rejected\n", g_max
, g_min
, g_avg
);
1377 /* check that the gamma is not too bright */
1380 TRACE("too bright gamma ( %5.3f), rejected\n", g_avg
);
1390 /***********************************************************************
1391 * SetDeviceGammaRamp (GDI32.@)
1393 BOOL WINAPI
SetDeviceGammaRamp(HDC hDC
, LPVOID ptr
)
1396 DC
*dc
= get_dc_ptr( hDC
);
1398 TRACE("%p, %p\n", hDC
, ptr
);
1401 if (GetObjectType( hDC
) != OBJ_MEMDC
)
1403 PHYSDEV physdev
= GET_DC_PHYSDEV( dc
, pSetDeviceGammaRamp
);
1405 if (check_gamma_ramps(ptr
))
1406 ret
= physdev
->funcs
->pSetDeviceGammaRamp( physdev
, ptr
);
1408 else SetLastError( ERROR_INVALID_PARAMETER
);
1409 release_dc_ptr( dc
);
1414 /***********************************************************************
1415 * GetColorSpace (GDI32.@)
1417 HCOLORSPACE WINAPI
GetColorSpace(HDC hdc
)
1419 /*FIXME Need to do whatever GetColorSpace actually does */
1423 /***********************************************************************
1424 * CreateColorSpaceA (GDI32.@)
1426 HCOLORSPACE WINAPI
CreateColorSpaceA( LPLOGCOLORSPACEA lpLogColorSpace
)
1432 /***********************************************************************
1433 * CreateColorSpaceW (GDI32.@)
1435 HCOLORSPACE WINAPI
CreateColorSpaceW( LPLOGCOLORSPACEW lpLogColorSpace
)
1441 /***********************************************************************
1442 * DeleteColorSpace (GDI32.@)
1444 BOOL WINAPI
DeleteColorSpace( HCOLORSPACE hColorSpace
)
1451 /***********************************************************************
1452 * SetColorSpace (GDI32.@)
1454 HCOLORSPACE WINAPI
SetColorSpace( HDC hDC
, HCOLORSPACE hColorSpace
)
1461 /***********************************************************************
1462 * GetBoundsRect (GDI32.@)
1464 UINT WINAPI
GetBoundsRect(HDC hdc
, LPRECT rect
, UINT flags
)
1469 DC
*dc
= get_dc_ptr( hdc
);
1471 if ( !dc
) return 0;
1473 physdev
= GET_DC_PHYSDEV( dc
, pGetBoundsRect
);
1474 ret
= physdev
->funcs
->pGetBoundsRect( physdev
, &device_rect
, DCB_RESET
);
1477 release_dc_ptr( dc
);
1480 if (dc
->bounds_enabled
&& ret
== DCB_SET
) add_bounds_rect( &dc
->bounds
, &device_rect
);
1484 if (is_rect_empty( &dc
->bounds
))
1486 rect
->left
= rect
->top
= rect
->right
= rect
->bottom
= 0;
1492 rect
->left
= max( rect
->left
, 0 );
1493 rect
->top
= max( rect
->top
, 0 );
1494 rect
->right
= min( rect
->right
, dc
->vis_rect
.right
- dc
->vis_rect
.left
);
1495 rect
->bottom
= min( rect
->bottom
, dc
->vis_rect
.bottom
- dc
->vis_rect
.top
);
1498 dp_to_lp( dc
, (POINT
*)rect
, 2 );
1502 if (flags
& DCB_RESET
) reset_bounds( &dc
->bounds
);
1503 release_dc_ptr( dc
);
1508 /***********************************************************************
1509 * SetBoundsRect (GDI32.@)
1511 UINT WINAPI
SetBoundsRect(HDC hdc
, const RECT
* rect
, UINT flags
)
1517 if ((flags
& DCB_ENABLE
) && (flags
& DCB_DISABLE
)) return 0;
1518 if (!(dc
= get_dc_ptr( hdc
))) return 0;
1520 physdev
= GET_DC_PHYSDEV( dc
, pSetBoundsRect
);
1521 ret
= physdev
->funcs
->pSetBoundsRect( physdev
, &dc
->bounds
, flags
);
1524 release_dc_ptr( dc
);
1528 ret
= (dc
->bounds_enabled
? DCB_ENABLE
: DCB_DISABLE
) |
1529 (is_rect_empty( &dc
->bounds
) ? ret
& DCB_SET
: DCB_SET
);
1531 if (flags
& DCB_RESET
) reset_bounds( &dc
->bounds
);
1533 if ((flags
& DCB_ACCUMULATE
) && rect
)
1537 lp_to_dp( dc
, (POINT
*)&rc
, 2 );
1538 add_bounds_rect( &dc
->bounds
, &rc
);
1541 if (flags
& DCB_ENABLE
) dc
->bounds_enabled
= TRUE
;
1542 if (flags
& DCB_DISABLE
) dc
->bounds_enabled
= FALSE
;
1544 release_dc_ptr( dc
);
1549 /***********************************************************************
1550 * GetRelAbs (GDI32.@)
1552 INT WINAPI
GetRelAbs( HDC hdc
, DWORD dwIgnore
)
1555 DC
*dc
= get_dc_ptr( hdc
);
1558 ret
= dc
->relAbsMode
;
1559 release_dc_ptr( dc
);
1567 /***********************************************************************
1568 * GetBkMode (GDI32.@)
1570 INT WINAPI
GetBkMode( HDC hdc
)
1573 DC
* dc
= get_dc_ptr( hdc
);
1576 ret
= dc
->backgroundMode
;
1577 release_dc_ptr( dc
);
1583 /***********************************************************************
1584 * SetBkMode (GDI32.@)
1586 INT WINAPI
SetBkMode( HDC hdc
, INT mode
)
1591 if ((mode
<= 0) || (mode
> BKMODE_LAST
))
1593 SetLastError(ERROR_INVALID_PARAMETER
);
1596 if ((dc
= get_dc_ptr( hdc
)))
1598 PHYSDEV physdev
= GET_DC_PHYSDEV( dc
, pSetBkMode
);
1599 mode
= physdev
->funcs
->pSetBkMode( physdev
, mode
);
1602 ret
= dc
->backgroundMode
;
1603 dc
->backgroundMode
= mode
;
1605 release_dc_ptr( dc
);
1611 /***********************************************************************
1614 INT WINAPI
GetROP2( HDC hdc
)
1617 DC
* dc
= get_dc_ptr( hdc
);
1621 release_dc_ptr( dc
);
1627 /***********************************************************************
1630 INT WINAPI
SetROP2( HDC hdc
, INT mode
)
1635 if ((mode
< R2_BLACK
) || (mode
> R2_WHITE
))
1637 SetLastError(ERROR_INVALID_PARAMETER
);
1640 if ((dc
= get_dc_ptr( hdc
)))
1642 PHYSDEV physdev
= GET_DC_PHYSDEV( dc
, pSetROP2
);
1643 mode
= physdev
->funcs
->pSetROP2( physdev
, mode
);
1649 release_dc_ptr( dc
);
1655 /***********************************************************************
1656 * SetRelAbs (GDI32.@)
1658 INT WINAPI
SetRelAbs( HDC hdc
, INT mode
)
1663 if ((mode
!= ABSOLUTE
) && (mode
!= RELATIVE
))
1665 SetLastError(ERROR_INVALID_PARAMETER
);
1668 if ((dc
= get_dc_ptr( hdc
)))
1670 PHYSDEV physdev
= GET_DC_PHYSDEV( dc
, pSetRelAbs
);
1671 mode
= physdev
->funcs
->pSetRelAbs( physdev
, mode
);
1674 ret
= dc
->relAbsMode
;
1675 dc
->relAbsMode
= mode
;
1677 release_dc_ptr( dc
);
1683 /***********************************************************************
1684 * GetPolyFillMode (GDI32.@)
1686 INT WINAPI
GetPolyFillMode( HDC hdc
)
1689 DC
* dc
= get_dc_ptr( hdc
);
1692 ret
= dc
->polyFillMode
;
1693 release_dc_ptr( dc
);
1699 /***********************************************************************
1700 * SetPolyFillMode (GDI32.@)
1702 INT WINAPI
SetPolyFillMode( HDC hdc
, INT mode
)
1707 if ((mode
<= 0) || (mode
> POLYFILL_LAST
))
1709 SetLastError(ERROR_INVALID_PARAMETER
);
1712 if ((dc
= get_dc_ptr( hdc
)))
1714 PHYSDEV physdev
= GET_DC_PHYSDEV( dc
, pSetPolyFillMode
);
1715 mode
= physdev
->funcs
->pSetPolyFillMode( physdev
, mode
);
1718 ret
= dc
->polyFillMode
;
1719 dc
->polyFillMode
= mode
;
1721 release_dc_ptr( dc
);
1727 /***********************************************************************
1728 * GetStretchBltMode (GDI32.@)
1730 INT WINAPI
GetStretchBltMode( HDC hdc
)
1733 DC
* dc
= get_dc_ptr( hdc
);
1736 ret
= dc
->stretchBltMode
;
1737 release_dc_ptr( dc
);
1743 /***********************************************************************
1744 * SetStretchBltMode (GDI32.@)
1746 INT WINAPI
SetStretchBltMode( HDC hdc
, INT mode
)
1751 if ((mode
<= 0) || (mode
> MAXSTRETCHBLTMODE
))
1753 SetLastError(ERROR_INVALID_PARAMETER
);
1756 if ((dc
= get_dc_ptr( hdc
)))
1758 PHYSDEV physdev
= GET_DC_PHYSDEV( dc
, pSetStretchBltMode
);
1759 mode
= physdev
->funcs
->pSetStretchBltMode( physdev
, mode
);
1762 ret
= dc
->stretchBltMode
;
1763 dc
->stretchBltMode
= mode
;
1765 release_dc_ptr( dc
);
1771 /***********************************************************************
1772 * GetMapMode (GDI32.@)
1774 INT WINAPI
GetMapMode( HDC hdc
)
1777 DC
* dc
= get_dc_ptr( hdc
);
1781 release_dc_ptr( dc
);
1787 /***********************************************************************
1788 * GetBrushOrgEx (GDI32.@)
1790 BOOL WINAPI
GetBrushOrgEx( HDC hdc
, LPPOINT pt
)
1792 DC
* dc
= get_dc_ptr( hdc
);
1793 if (!dc
) return FALSE
;
1794 *pt
= dc
->brush_org
;
1795 release_dc_ptr( dc
);
1800 /***********************************************************************
1801 * GetCurrentPositionEx (GDI32.@)
1803 BOOL WINAPI
GetCurrentPositionEx( HDC hdc
, LPPOINT pt
)
1805 DC
* dc
= get_dc_ptr( hdc
);
1806 if (!dc
) return FALSE
;
1808 release_dc_ptr( dc
);
1813 /***********************************************************************
1814 * GetViewportExtEx (GDI32.@)
1816 BOOL WINAPI
GetViewportExtEx( HDC hdc
, LPSIZE size
)
1818 DC
* dc
= get_dc_ptr( hdc
);
1819 if (!dc
) return FALSE
;
1820 *size
= dc
->vport_ext
;
1821 release_dc_ptr( dc
);
1826 /***********************************************************************
1827 * GetViewportOrgEx (GDI32.@)
1829 BOOL WINAPI
GetViewportOrgEx( HDC hdc
, LPPOINT pt
)
1831 DC
* dc
= get_dc_ptr( hdc
);
1832 if (!dc
) return FALSE
;
1833 *pt
= dc
->vport_org
;
1834 release_dc_ptr( dc
);
1839 /***********************************************************************
1840 * GetWindowExtEx (GDI32.@)
1842 BOOL WINAPI
GetWindowExtEx( HDC hdc
, LPSIZE size
)
1844 DC
* dc
= get_dc_ptr( hdc
);
1845 if (!dc
) return FALSE
;
1846 *size
= dc
->wnd_ext
;
1847 release_dc_ptr( dc
);
1852 /***********************************************************************
1853 * GetWindowOrgEx (GDI32.@)
1855 BOOL WINAPI
GetWindowOrgEx( HDC hdc
, LPPOINT pt
)
1857 DC
* dc
= get_dc_ptr( hdc
);
1858 if (!dc
) return FALSE
;
1860 release_dc_ptr( dc
);
1865 /***********************************************************************
1866 * GetLayout (GDI32.@)
1868 * Gets left->right or right->left text layout flags of a dc.
1871 DWORD WINAPI
GetLayout(HDC hdc
)
1873 DWORD layout
= GDI_ERROR
;
1875 DC
* dc
= get_dc_ptr( hdc
);
1878 layout
= dc
->layout
;
1879 release_dc_ptr( dc
);
1882 TRACE("hdc : %p, layout : %08x\n", hdc
, layout
);
1887 /***********************************************************************
1888 * SetLayout (GDI32.@)
1890 * Sets left->right or right->left text layout flags of a dc.
1893 DWORD WINAPI
SetLayout(HDC hdc
, DWORD layout
)
1895 DWORD oldlayout
= GDI_ERROR
;
1897 DC
* dc
= get_dc_ptr( hdc
);
1900 PHYSDEV physdev
= GET_DC_PHYSDEV( dc
, pSetLayout
);
1901 layout
= physdev
->funcs
->pSetLayout( physdev
, layout
);
1902 if (layout
!= GDI_ERROR
)
1904 oldlayout
= dc
->layout
;
1905 dc
->layout
= layout
;
1906 if (layout
!= oldlayout
)
1908 if (layout
& LAYOUT_RTL
) dc
->MapMode
= MM_ANISOTROPIC
;
1909 DC_UpdateXforms( dc
);
1912 release_dc_ptr( dc
);
1915 TRACE("hdc : %p, old layout : %08x, new layout : %08x\n", hdc
, oldlayout
, layout
);
1920 /***********************************************************************
1921 * GetDCBrushColor (GDI32.@)
1923 COLORREF WINAPI
GetDCBrushColor(HDC hdc
)
1926 COLORREF dcBrushColor
= CLR_INVALID
;
1928 TRACE("hdc(%p)\n", hdc
);
1930 dc
= get_dc_ptr( hdc
);
1933 dcBrushColor
= dc
->dcBrushColor
;
1934 release_dc_ptr( dc
);
1937 return dcBrushColor
;
1940 /***********************************************************************
1941 * SetDCBrushColor (GDI32.@)
1943 COLORREF WINAPI
SetDCBrushColor(HDC hdc
, COLORREF crColor
)
1946 COLORREF oldClr
= CLR_INVALID
;
1948 TRACE("hdc(%p) crColor(%08x)\n", hdc
, crColor
);
1950 dc
= get_dc_ptr( hdc
);
1953 PHYSDEV physdev
= GET_DC_PHYSDEV( dc
, pSetDCBrushColor
);
1954 crColor
= physdev
->funcs
->pSetDCBrushColor( physdev
, crColor
);
1955 if (crColor
!= CLR_INVALID
)
1957 oldClr
= dc
->dcBrushColor
;
1958 dc
->dcBrushColor
= crColor
;
1960 release_dc_ptr( dc
);
1966 /***********************************************************************
1967 * GetDCPenColor (GDI32.@)
1969 COLORREF WINAPI
GetDCPenColor(HDC hdc
)
1972 COLORREF dcPenColor
= CLR_INVALID
;
1974 TRACE("hdc(%p)\n", hdc
);
1976 dc
= get_dc_ptr( hdc
);
1979 dcPenColor
= dc
->dcPenColor
;
1980 release_dc_ptr( dc
);
1986 /***********************************************************************
1987 * SetDCPenColor (GDI32.@)
1989 COLORREF WINAPI
SetDCPenColor(HDC hdc
, COLORREF crColor
)
1992 COLORREF oldClr
= CLR_INVALID
;
1994 TRACE("hdc(%p) crColor(%08x)\n", hdc
, crColor
);
1996 dc
= get_dc_ptr( hdc
);
1999 PHYSDEV physdev
= GET_DC_PHYSDEV( dc
, pSetDCPenColor
);
2000 crColor
= physdev
->funcs
->pSetDCPenColor( physdev
, crColor
);
2001 if (crColor
!= CLR_INVALID
)
2003 oldClr
= dc
->dcPenColor
;
2004 dc
->dcPenColor
= crColor
;
2006 release_dc_ptr( dc
);
2012 /***********************************************************************
2013 * CancelDC (GDI32.@)
2015 BOOL WINAPI
CancelDC(HDC hdc
)
2021 /*******************************************************************
2022 * GetMiterLimit [GDI32.@]
2026 BOOL WINAPI
GetMiterLimit(HDC hdc
, PFLOAT peLimit
)
2031 TRACE("(%p,%p)\n", hdc
, peLimit
);
2033 dc
= get_dc_ptr( hdc
);
2037 *peLimit
= dc
->miterLimit
;
2039 release_dc_ptr( dc
);
2045 /*******************************************************************
2046 * SetMiterLimit [GDI32.@]
2050 BOOL WINAPI
SetMiterLimit(HDC hdc
, FLOAT eNewLimit
, PFLOAT peOldLimit
)
2055 TRACE("(%p,%f,%p)\n", hdc
, eNewLimit
, peOldLimit
);
2057 dc
= get_dc_ptr( hdc
);
2061 *peOldLimit
= dc
->miterLimit
;
2062 dc
->miterLimit
= eNewLimit
;
2063 release_dc_ptr( dc
);
2069 /*******************************************************************
2070 * GdiIsMetaPrintDC [GDI32.@]
2072 BOOL WINAPI
GdiIsMetaPrintDC(HDC hdc
)
2078 /*******************************************************************
2079 * GdiIsMetaFileDC [GDI32.@]
2081 BOOL WINAPI
GdiIsMetaFileDC(HDC hdc
)
2085 switch( GetObjectType( hdc
) )
2094 /*******************************************************************
2095 * GdiIsPlayMetafileDC [GDI32.@]
2097 BOOL WINAPI
GdiIsPlayMetafileDC(HDC hdc
)