2 * COPYRIGHT: See COPYING in the top level directory
3 * PROJECT: ReactOS kernel
4 * PURPOSE: Functions for creation and destruction of DCs
5 * FILE: subsystem/win32/win32k/objects/dcobjs.c
6 * PROGRAMER: Timo Kreuzer (timo.kreuzer@rectos.org)
16 DC_vUpdateFillBrush(PDC pdc
)
18 PDC_ATTR pdcattr
= pdc
->pdcattr
;
21 /* Check if the brush handle has changed */
22 if (pdcattr
->hbrush
!= pdc
->dclevel
.pbrFill
->BaseObject
.hHmgr
)
24 /* Try to lock the new brush */
25 pbrFill
= BRUSH_ShareLockBrush(pdcattr
->hbrush
);
28 /* Unlock old brush, set new brush */
29 BRUSH_ShareUnlockBrush(pdc
->dclevel
.pbrFill
);
30 pdc
->dclevel
.pbrFill
= pbrFill
;
32 /* Mark eboFill as dirty */
33 pdcattr
->ulDirty_
|= DIRTY_FILL
;
37 /* Invalid brush handle, restore old one */
38 pdcattr
->hbrush
= pdc
->dclevel
.pbrFill
->BaseObject
.hHmgr
;
42 /* Check if the EBRUSHOBJ needs update */
43 if (pdcattr
->ulDirty_
& DIRTY_FILL
)
46 EBRUSHOBJ_vUpdate(&pdc
->eboFill
, pdc
->dclevel
.pbrFill
, pdc
);
49 /* Check for DC brush */
50 if (pdcattr
->hbrush
== StockObjects
[DC_BRUSH
])
52 /* ROS HACK, should use surf xlate */
53 /* Update the eboFill's solid color */
54 EBRUSHOBJ_vSetSolidBrushColor(&pdc
->eboFill
, pdcattr
->crPenClr
);
58 pdcattr
->ulDirty_
&= ~(DIRTY_FILL
| DC_BRUSH_DIRTY
);
63 DC_vUpdateLineBrush(PDC pdc
)
65 PDC_ATTR pdcattr
= pdc
->pdcattr
;
68 /* Check if the pen handle has changed */
69 if (pdcattr
->hpen
!= pdc
->dclevel
.pbrLine
->BaseObject
.hHmgr
)
71 /* Try to lock the new pen */
72 pbrLine
= PEN_ShareLockPen(pdcattr
->hpen
);
75 /* Unlock old brush, set new brush */
76 BRUSH_ShareUnlockBrush(pdc
->dclevel
.pbrLine
);
77 pdc
->dclevel
.pbrLine
= pbrLine
;
79 /* Mark eboLine as dirty */
80 pdcattr
->ulDirty_
|= DIRTY_LINE
;
84 /* Invalid pen handle, restore old one */
85 pdcattr
->hpen
= pdc
->dclevel
.pbrLine
->BaseObject
.hHmgr
;
89 /* Check if the EBRUSHOBJ needs update */
90 if (pdcattr
->ulDirty_
& DIRTY_LINE
)
93 EBRUSHOBJ_vUpdate(&pdc
->eboLine
, pdc
->dclevel
.pbrLine
, pdc
);
96 /* Check for DC pen */
97 if (pdcattr
->hpen
== StockObjects
[DC_PEN
])
99 /* Update the eboLine's solid color */
100 EBRUSHOBJ_vSetSolidBrushColor(&pdc
->eboLine
, pdcattr
->crPenClr
);
104 pdcattr
->ulDirty_
&= ~(DIRTY_LINE
| DC_PEN_DIRTY
);
109 DC_vUpdateTextBrush(PDC pdc
)
111 PDC_ATTR pdcattr
= pdc
->pdcattr
;
113 /* Timo : The text brush should never be changed.
114 * Jérôme : Yeah, but its palette must be updated anyway! */
115 if(pdcattr
->ulDirty_
& DIRTY_TEXT
)
116 EBRUSHOBJ_vUpdate(&pdc
->eboText
, pbrDefaultBrush
, pdc
);
118 /* Update the eboText's solid color */
119 EBRUSHOBJ_vSetSolidBrushColor(&pdc
->eboText
, pdcattr
->crForegroundClr
);
122 pdcattr
->ulDirty_
&= ~DIRTY_TEXT
;
127 DC_vUpdateBackgroundBrush(PDC pdc
)
129 PDC_ATTR pdcattr
= pdc
->pdcattr
;
131 if(pdcattr
->ulDirty_
& DIRTY_BACKGROUND
)
132 EBRUSHOBJ_vUpdate(&pdc
->eboBackground
, pbrDefaultBrush
, pdc
);
134 /* Update the eboBackground's solid color */
135 EBRUSHOBJ_vSetSolidBrushColor(&pdc
->eboBackground
, pdcattr
->crBackgroundClr
);
138 pdcattr
->ulDirty_
&= ~DIRTY_BACKGROUND
;
146 BOOL ForceBackground
)
149 HPALETTE oldPal
= NULL
;
152 // FIXME: mark the palette as a [fore\back]ground pal
153 pdc
= DC_LockDc(hDC
);
159 /* Check if this is a valid palette handle */
160 ppal
= PALETTE_ShareLockPalette(hpal
);
167 /* Is this a valid palette for this depth? */
168 if ((BitsPerFormat(pdc
->dclevel
.pSurface
->SurfObj
.iBitmapFormat
) <= 8
169 && (ppal
->flFlags
& PAL_INDEXED
)) ||
170 (BitsPerFormat(pdc
->dclevel
.pSurface
->SurfObj
.iBitmapFormat
) > 8))
172 /* Get old palette, set new one */
173 oldPal
= pdc
->dclevel
.hpal
;
174 pdc
->dclevel
.hpal
= hpal
;
175 DC_vSelectPalette(pdc
, ppal
);
177 /* Mark the brushes invalid */
178 pdc
->pdcattr
->ulDirty_
|= DIRTY_FILL
| DIRTY_LINE
|
179 DIRTY_BACKGROUND
| DIRTY_TEXT
;
182 PALETTE_ShareUnlockPalette(ppal
);
200 if (hDC
== NULL
|| hBrush
== NULL
) return NULL
;
202 pDC
= DC_LockDc(hDC
);
208 /* Simply return the user mode value, without checking */
209 hOrgBrush
= pDC
->pdcattr
->hbrush
;
210 pDC
->pdcattr
->hbrush
= hBrush
;
211 DC_vUpdateFillBrush(pDC
);
230 if (hDC
== NULL
|| hPen
== NULL
) return NULL
;
232 pDC
= DC_LockDc(hDC
);
238 /* Simply return the user mode value, without checking */
239 hOrgPen
= pDC
->pdcattr
->hpen
;
240 pDC
->pdcattr
->hpen
= hPen
;
241 DC_vUpdateLineBrush(pDC
);
260 PSURFACE psurfBmp
, psurfOld
;
263 if (hDC
== NULL
|| hBmp
== NULL
) return NULL
;
265 pDC
= DC_LockDc(hDC
);
270 pdcattr
= pDC
->pdcattr
;
272 /* must be memory dc to select bitmap */
273 if (pDC
->dctype
!= DC_TYPE_MEMORY
)
279 psurfBmp
= SURFACE_LockSurface(hBmp
);
286 /* Get the handle for the old bitmap */
287 ASSERT(pDC
->dclevel
.pSurface
);
288 hOrgBmp
= pDC
->dclevel
.pSurface
->BaseObject
.hHmgr
;
290 /* Lock it, to be sure while we mess with it*/
291 psurfOld
= SURFACE_LockSurface(hOrgBmp
);
293 /* Reset hdc, this surface isn't selected anymore */
294 psurfOld
->hdc
= NULL
;
296 /* Release the old bitmap, reference the new */
297 DC_vSelectSurface(pDC
, psurfBmp
);
299 /* And unlock it, now we're done */
300 SURFACE_UnlockSurface(psurfOld
);
302 // If Info DC this is zero and pSurface is moved to DC->pSurfInfo.
306 /* FIXME; improve by using a region without a handle and selecting it */
307 hVisRgn
= IntSysCreateRectRgn( 0,
309 psurfBmp
->SurfObj
.sizlBitmap
.cx
,
310 psurfBmp
->SurfObj
.sizlBitmap
.cy
);
312 if(psurfBmp
->hSecure
)
314 /* Set DIBSECTION attribute */
315 pdcattr
->ulDirty_
|= DC_DIBSECTION
;
319 pdcattr
->ulDirty_
&= ~DC_DIBSECTION
;
322 /* Release the exclusive lock */
323 SURFACE_UnlockSurface(psurfBmp
);
325 /* Mark the brushes invalid */
326 pdcattr
->ulDirty_
|= DIRTY_FILL
| DIRTY_LINE
;
332 GdiSelectVisRgn(hDC
, hVisRgn
);
333 REGION_FreeRgnByHandle(hVisRgn
);
348 BOOL success
= FALSE
;
352 pdc
= DC_LockDc(hDC
);
355 EngSetLastError(ERROR_INVALID_PARAMETER
);
358 pdcattr
= pdc
->pdcattr
;
360 pPath
= PATH_LockPath(pdc
->dclevel
.hPath
);
367 /* Check that path is closed */
368 if (pPath
->state
!= PATH_Closed
)
370 EngSetLastError(ERROR_CAN_NOT_COMPLETE
);
375 /* Construct a region from the path */
376 else if (PATH_PathToRegion(pPath
, pdcattr
->jFillMode
, &hrgnPath
))
378 success
= GdiExtSelectClipRgn(pdc
, hrgnPath
, Mode
) != ERROR
;
379 GreDeleteObject( hrgnPath
);
383 PATH_EmptyPath(pPath
);
385 /* FIXME: Should this function delete the path even if it failed? */
388 PATH_UnlockPath(pPath
);
396 NtGdiGetDCObject(HDC hDC
, INT ObjectType
)
402 /* From Wine: GetCurrentObject does not SetLastError() on a null object */
403 if(!hDC
) return NULL
;
405 if(!(pdc
= DC_LockDc(hDC
)))
407 EngSetLastError(ERROR_INVALID_HANDLE
);
410 pdcattr
= pdc
->pdcattr
;
412 if (pdcattr
->ulDirty_
& (DIRTY_FILL
| DC_BRUSH_DIRTY
))
413 DC_vUpdateFillBrush(pdc
);
415 if (pdcattr
->ulDirty_
& (DIRTY_LINE
| DC_PEN_DIRTY
))
416 DC_vUpdateLineBrush(pdc
);
420 case GDI_OBJECT_TYPE_EXTPEN
:
421 case GDI_OBJECT_TYPE_PEN
:
422 SelObject
= pdcattr
->hpen
;
425 case GDI_OBJECT_TYPE_BRUSH
:
426 SelObject
= pdcattr
->hbrush
;
429 case GDI_OBJECT_TYPE_PALETTE
:
430 SelObject
= pdc
->dclevel
.hpal
;
433 case GDI_OBJECT_TYPE_FONT
:
434 SelObject
= pdcattr
->hlfntNew
;
437 case GDI_OBJECT_TYPE_BITMAP
:
439 SURFACE
*psurf
= pdc
->dclevel
.pSurface
;
440 SelObject
= psurf
? psurf
->BaseObject
.hHmgr
: NULL
;
444 case GDI_OBJECT_TYPE_COLORSPACE
:
445 DPRINT1("FIXME: NtGdiGetCurrentObject() ObjectType OBJ_COLORSPACE not supported yet!\n");
446 // SelObject = dc->dclevel.pColorSpace.BaseObject.hHmgr; ?
452 EngSetLastError(ERROR_INVALID_PARAMETER
);
466 OUT OPTIONAL PVOID pvBuf
)