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/dclife.c
6 * PROGRAMER: Timo Kreuzer (timo.kreuzer@rectos.org)
14 // FIXME: Windows uses 0x0012009f
15 #define DIRTY_DEFAULT DIRTY_CHARSET|DIRTY_BACKGROUND|DIRTY_TEXT|DIRTY_LINE|DIRTY_FILL
17 PSURFACE psurfDefaultBitmap
= NULL
;
18 PBRUSH pbrDefaultBrush
= NULL
;
20 static const MATRIX gmxWorldToDeviceDefault
=
22 FLOATOBJ_16
, FLOATOBJ_0
,
23 FLOATOBJ_0
, FLOATOBJ_16
,
24 FLOATOBJ_0
, FLOATOBJ_0
,
28 static const MATRIX gmxDeviceToWorldDefault
=
30 FLOATOBJ_1_16
, FLOATOBJ_0
,
31 FLOATOBJ_0
, FLOATOBJ_1_16
,
32 FLOATOBJ_0
, FLOATOBJ_0
,
36 static const MATRIX gmxWorldToPageDefault
=
38 FLOATOBJ_1
, FLOATOBJ_0
,
39 FLOATOBJ_0
, FLOATOBJ_1
,
40 FLOATOBJ_0
, FLOATOBJ_0
,
44 // HACK!! Fix XFORMOBJ then use 1:16 / 16:1
45 #define gmxWorldToDeviceDefault gmxWorldToPageDefault
46 #define gmxDeviceToWorldDefault gmxWorldToPageDefault
48 /** Internal functions ********************************************************/
55 psurfDefaultBitmap
= SURFACE_ShareLockSurface(StockObjects
[DEFAULT_BITMAP
]);
56 if (!psurfDefaultBitmap
)
57 return STATUS_UNSUCCESSFUL
;
59 pbrDefaultBrush
= BRUSH_ShareLockBrush(StockObjects
[BLACK_BRUSH
]);
61 return STATUS_UNSUCCESSFUL
;
63 return STATUS_SUCCESS
;
69 DC_AllocDcWithHandle()
73 pdc
= (PDC
)GDIOBJ_AllocateObject(GDIObjType_DC_TYPE
,
78 DPRINT1("Could not allocate a DC.\n");
82 if (!GDIOBJ_hInsertObject(&pdc
->BaseObject
, GDI_OBJ_HMGR_POWNED
))
84 DPRINT1("Could not insert DC into handle table.\n");
85 GDIOBJ_vFreeObject(&pdc
->BaseObject
);
89 pdc
->pdcattr
= &pdc
->dcattr
;
98 TextIntRealizeFont(pdc
->pdcattr
->hlfntNew
,NULL
);
99 pdc
->pdcattr
->iCS_CP
= ftGdiGetTextCharsetInfo(pdc
,NULL
,0);
101 /* This should never fail */
102 ASSERT(pdc
->dclevel
.ppal
);
112 /* Setup some basic fields */
113 pdc
->dctype
= dctype
;
115 pdc
->dhpdev
= ppdev
->dhpdev
;
116 pdc
->hsem
= ppdev
->hsemDevLock
;
117 pdc
->flGraphicsCaps
= ppdev
->devinfo
.flGraphicsCaps
;
118 pdc
->flGraphicsCaps2
= ppdev
->devinfo
.flGraphicsCaps2
;
119 pdc
->fs
= DC_DIRTY_RAO
;
121 /* Setup dc attribute */
122 pdc
->pdcattr
= &pdc
->dcattr
;
123 pdc
->dcattr
.pvLDC
= NULL
;
124 pdc
->dcattr
.ulDirty_
= DIRTY_DEFAULT
;
125 if (ppdev
== gppdevPrimary
)
126 pdc
->dcattr
.ulDirty_
|= DC_PRIMARY_DISPLAY
;
128 /* Setup the DC size */
129 if (dctype
== DCTYPE_MEMORY
)
131 /* Memory DCs have a 1 x 1 bitmap by default */
132 pdc
->dclevel
.sizl
.cx
= 1;
133 pdc
->dclevel
.sizl
.cy
= 1;
137 /* Other DC's are as big as the related PDEV */
138 pdc
->dclevel
.sizl
.cx
= ppdev
->gdiinfo
.ulHorzRes
;
139 pdc
->dclevel
.sizl
.cy
= ppdev
->gdiinfo
.ulVertRes
;
142 /* Setup Window rect based on DC size */
143 pdc
->erclWindow
.left
= 0;
144 pdc
->erclWindow
.top
= 0;
145 pdc
->erclWindow
.right
= pdc
->dclevel
.sizl
.cx
;
146 pdc
->erclWindow
.bottom
= pdc
->dclevel
.sizl
.cy
;
148 if (dctype
== DCTYPE_DIRECT
)
150 /* Direct DCs get the surface from the PDEV */
151 pdc
->dclevel
.pSurface
= PDEVOBJ_pSurface(ppdev
);
153 pdc
->erclBounds
.left
= 0x7fffffff;
154 pdc
->erclBounds
.top
= 0x7fffffff;
155 pdc
->erclBounds
.right
= 0x80000000;
156 pdc
->erclBounds
.bottom
= 0x80000000;
157 pdc
->erclBoundsApp
.left
= 0xffffffff;
158 pdc
->erclBoundsApp
.top
= 0xfffffffc;
159 pdc
->erclBoundsApp
.right
= 0x00007ffc; // FIXME
160 pdc
->erclBoundsApp
.bottom
= 0x00000333; // FIXME
161 pdc
->erclClip
= pdc
->erclBounds
;
162 pdc
->co
= gxcoTrivial
;
164 pdc
->fs
|= DC_SYNCHRONIZEACCESS
| DC_ACCUM_APP
| DC_PERMANANT
| DC_DISPLAY
;
168 /* Non-direct DCs don't have a surface by default */
169 pdc
->dclevel
.pSurface
= NULL
;
171 pdc
->erclBounds
.left
= 0;
172 pdc
->erclBounds
.top
= 0;
173 pdc
->erclBounds
.right
= 0;
174 pdc
->erclBounds
.bottom
= 0;
175 pdc
->erclBoundsApp
= pdc
->erclBounds
;
176 pdc
->erclClip
= pdc
->erclWindow
;
177 pdc
->co
= gxcoTrivial
;
180 //pdc->dcattr.VisRectRegion:
182 /* Setup coordinate transformation data */
183 pdc
->dclevel
.mxWorldToDevice
= gmxWorldToDeviceDefault
;
184 pdc
->dclevel
.mxDeviceToWorld
= gmxDeviceToWorldDefault
;
185 pdc
->dclevel
.mxWorldToPage
= gmxWorldToPageDefault
;
186 pdc
->dclevel
.efM11PtoD
= gef16
;
187 pdc
->dclevel
.efM22PtoD
= gef16
;
188 pdc
->dclevel
.efDxPtoD
= gef0
;
189 pdc
->dclevel
.efDyPtoD
= gef0
;
190 pdc
->dclevel
.efM11_TWIPS
= gef0
;
191 pdc
->dclevel
.efM22_TWIPS
= gef0
;
192 pdc
->dclevel
.efPr11
= gef0
;
193 pdc
->dclevel
.efPr22
= gef0
;
194 pdc
->dcattr
.mxWorldToDevice
= pdc
->dclevel
.mxWorldToDevice
;
195 pdc
->dcattr
.mxDeviceToWorld
= pdc
->dclevel
.mxDeviceToWorld
;
196 pdc
->dcattr
.mxWorldToPage
= pdc
->dclevel
.mxWorldToPage
;
197 pdc
->dcattr
.efM11PtoD
= pdc
->dclevel
.efM11PtoD
;
198 pdc
->dcattr
.efM22PtoD
= pdc
->dclevel
.efM22PtoD
;
199 pdc
->dcattr
.efDxPtoD
= pdc
->dclevel
.efDxPtoD
;
200 pdc
->dcattr
.efDyPtoD
= pdc
->dclevel
.efDyPtoD
;
201 pdc
->dcattr
.iMapMode
= MM_TEXT
;
202 pdc
->dcattr
.dwLayout
= 0;
203 pdc
->dcattr
.flXform
= PAGE_TO_DEVICE_SCALE_IDENTITY
|
204 PAGE_TO_DEVICE_IDENTITY
|
205 WORLD_TO_PAGE_IDENTITY
;
207 /* Setup more coordinates */
208 pdc
->ptlDCOrig
.x
= 0;
209 pdc
->ptlDCOrig
.y
= 0;
210 pdc
->dcattr
.lWindowOrgx
= 0;
211 pdc
->dcattr
.ptlWindowOrg
.x
= 0;
212 pdc
->dcattr
.ptlWindowOrg
.y
= 0;
213 pdc
->dcattr
.szlWindowExt
.cx
= 1;
214 pdc
->dcattr
.szlWindowExt
.cy
= 1;
215 pdc
->dcattr
.ptlViewportOrg
.x
= 0;
216 pdc
->dcattr
.ptlViewportOrg
.y
= 0;
217 pdc
->dcattr
.szlViewportExt
.cx
= 1;
218 pdc
->dcattr
.szlViewportExt
.cy
= 1;
219 pdc
->dcattr
.szlVirtualDevicePixel
.cx
= ppdev
->gdiinfo
.ulHorzRes
;
220 pdc
->dcattr
.szlVirtualDevicePixel
.cy
= ppdev
->gdiinfo
.ulVertRes
;
221 pdc
->dcattr
.szlVirtualDeviceMm
.cx
= ppdev
->gdiinfo
.ulHorzSize
;
222 pdc
->dcattr
.szlVirtualDeviceMm
.cy
= ppdev
->gdiinfo
.ulVertSize
;
223 pdc
->dcattr
.szlVirtualDeviceSize
.cx
= 0;
224 pdc
->dcattr
.szlVirtualDeviceSize
.cy
= 0;
229 pdc
->dclevel
.prgnClip
= NULL
;
230 pdc
->dclevel
.prgnMeta
= NULL
;
231 /* Allocate a Vis region */
232 pdc
->prgnVis
= IntSysCreateRectpRgn(0, 0, pdc
->dclevel
.sizl
.cx
, pdc
->dclevel
.sizl
.cy
);
233 ASSERT(pdc
->prgnVis
);
235 /* Initialize Clip object */
236 IntEngInitClipObj(&pdc
->co
);
239 pdc
->dclevel
.hpal
= StockObjects
[DEFAULT_PALETTE
];
240 pdc
->dclevel
.ppal
= PALETTE_ShareLockPalette(pdc
->dclevel
.hpal
);
243 pdc
->dclevel
.hPath
= NULL
;
244 pdc
->dclevel
.flPath
= 0;
245 // pdc->dclevel.lapath:
248 pdc
->dcattr
.crBackgroundClr
= RGB(0xff, 0xff, 0xff);
249 pdc
->dcattr
.ulBackgroundClr
= RGB(0xff, 0xff, 0xff);
250 pdc
->dcattr
.crForegroundClr
= RGB(0, 0, 0);
251 pdc
->dcattr
.ulForegroundClr
= RGB(0, 0, 0);
252 pdc
->dcattr
.crBrushClr
= RGB(0xff, 0xff, 0xff);
253 pdc
->dcattr
.ulBrushClr
= RGB(0xff, 0xff, 0xff);
254 pdc
->dcattr
.crPenClr
= RGB(0, 0, 0);
255 pdc
->dcattr
.ulPenClr
= RGB(0, 0, 0);
257 /* Select the default fill and line brush */
258 pdc
->dcattr
.hbrush
= StockObjects
[WHITE_BRUSH
];
259 pdc
->dcattr
.hpen
= StockObjects
[BLACK_PEN
];
260 pdc
->dclevel
.pbrFill
= BRUSH_ShareLockBrush(pdc
->pdcattr
->hbrush
);
261 pdc
->dclevel
.pbrLine
= PEN_ShareLockPen(pdc
->pdcattr
->hpen
);
262 pdc
->dclevel
.ptlBrushOrigin
.x
= 0;
263 pdc
->dclevel
.ptlBrushOrigin
.y
= 0;
264 pdc
->dcattr
.ptlBrushOrigin
= pdc
->dclevel
.ptlBrushOrigin
;
266 /* Initialize EBRUSHOBJs */
267 EBRUSHOBJ_vInitFromDC(&pdc
->eboFill
, pdc
->dclevel
.pbrFill
, pdc
);
268 EBRUSHOBJ_vInitFromDC(&pdc
->eboLine
, pdc
->dclevel
.pbrLine
, pdc
);
269 EBRUSHOBJ_vInitFromDC(&pdc
->eboText
, pbrDefaultBrush
, pdc
);
270 EBRUSHOBJ_vInitFromDC(&pdc
->eboBackground
, pbrDefaultBrush
, pdc
);
272 /* Setup fill data */
273 pdc
->dcattr
.jROP2
= R2_COPYPEN
;
274 pdc
->dcattr
.jBkMode
= 2;
275 pdc
->dcattr
.lBkMode
= 2;
276 pdc
->dcattr
.jFillMode
= ALTERNATE
;
277 pdc
->dcattr
.lFillMode
= 1;
278 pdc
->dcattr
.jStretchBltMode
= 1;
279 pdc
->dcattr
.lStretchBltMode
= 1;
280 pdc
->ptlFillOrigin
.x
= 0;
281 pdc
->ptlFillOrigin
.y
= 0;
283 /* Setup drawing position */
284 pdc
->dcattr
.ptlCurrent
.x
= 0;
285 pdc
->dcattr
.ptlCurrent
.y
= 0;
286 pdc
->dcattr
.ptfxCurrent
.x
= 0;
287 pdc
->dcattr
.ptfxCurrent
.y
= 0;
290 pdc
->dclevel
.lIcmMode
= 0;
291 pdc
->dcattr
.lIcmMode
= 0;
292 pdc
->dcattr
.hcmXform
= NULL
;
293 pdc
->dcattr
.flIcmFlags
= 0;
294 pdc
->dcattr
.IcmBrushColor
= CLR_INVALID
;
295 pdc
->dcattr
.IcmPenColor
= CLR_INVALID
;
296 pdc
->dcattr
.pvLIcm
= NULL
;
297 pdc
->dcattr
.hColorSpace
= NULL
; // FIXME: 0189001f
298 pdc
->dclevel
.pColorSpace
= NULL
; // FIXME
299 pdc
->pClrxFormLnk
= NULL
;
302 /* Setup font data */
303 pdc
->hlfntCur
= NULL
; // FIXME: 2f0a0cf8
304 pdc
->pPFFList
= NULL
;
305 pdc
->flSimulationFlags
= 0;
306 pdc
->lEscapement
= 0;
308 pdc
->dcattr
.flFontMapper
= 0;
309 pdc
->dcattr
.flTextAlign
= 0;
310 pdc
->dcattr
.lTextAlign
= 0;
311 pdc
->dcattr
.lTextExtra
= 0;
312 pdc
->dcattr
.lRelAbs
= 1;
313 pdc
->dcattr
.lBreakExtra
= 0;
314 pdc
->dcattr
.cBreak
= 0;
315 pdc
->dcattr
.hlfntNew
= StockObjects
[SYSTEM_FONT
];
316 pdc
->dclevel
.plfnt
= LFONT_ShareLockFont(pdc
->dcattr
.hlfntNew
);
322 pdc
->ulCopyCount
= -1;
323 pdc
->ptlDoBanding
.x
= 0;
324 pdc
->ptlDoBanding
.y
= 0;
325 pdc
->dclevel
.lSaveDepth
= 1;
326 pdc
->dclevel
.hdcSave
= NULL
;
327 pdc
->dcattr
.iGraphicsMode
= GM_COMPATIBLE
;
328 pdc
->dcattr
.iCS_CP
= 0;
329 pdc
->pSurfInfo
= NULL
;
331 if (defaultDCstate
== NULL
)
333 defaultDCstate
= ExAllocatePoolWithTag(PagedPool
, sizeof(DC
), TAG_DC
);
334 ASSERT(defaultDCstate
);
335 RtlZeroMemory(defaultDCstate
, sizeof(DC
));
336 defaultDCstate
->pdcattr
= &defaultDCstate
->dcattr
;
337 DC_vCopyState(pdc
, defaultDCstate
, TRUE
);
343 DC_vCleanup(PVOID ObjectBody
)
345 PDC pdc
= (PDC
)ObjectBody
;
350 /* Delete saved DCs */
351 DC_vRestoreDC(pdc
, 1);
353 /* Deselect dc objects */
354 DC_vSelectSurface(pdc
, NULL
);
355 DC_vSelectFillBrush(pdc
, NULL
);
356 DC_vSelectLineBrush(pdc
, NULL
);
357 DC_vSelectPalette(pdc
, NULL
);
359 /* Cleanup the dc brushes */
360 EBRUSHOBJ_vCleanup(&pdc
->eboFill
);
361 EBRUSHOBJ_vCleanup(&pdc
->eboLine
);
362 EBRUSHOBJ_vCleanup(&pdc
->eboText
);
363 EBRUSHOBJ_vCleanup(&pdc
->eboBackground
);
366 LFONT_ShareUnlockFont(pdc
->dclevel
.plfnt
);
369 if (pdc
->dclevel
.prgnClip
)
370 REGION_Delete(pdc
->dclevel
.prgnClip
);
371 if (pdc
->dclevel
.prgnMeta
)
372 REGION_Delete(pdc
->dclevel
.prgnMeta
);
374 REGION_Delete(pdc
->prgnVis
);
376 REGION_Delete(pdc
->prgnRao
);
378 REGION_Delete(pdc
->prgnAPI
);
380 /* Free CLIPOBJ resources */
381 IntEngFreeClipResources(&pdc
->co
);
383 PATH_Delete(pdc
->dclevel
.hPath
);
385 if(pdc
->dclevel
.pSurface
)
386 SURFACE_ShareUnlockSurface(pdc
->dclevel
.pSurface
);
388 PDEVOBJ_vRelease(pdc
->ppdev
) ;
393 DC_vSetOwner(PDC pdc
, ULONG ulOwner
)
395 if (pdc
->dclevel
.hPath
)
397 GreSetObjectOwner(pdc
->dclevel
.hPath
, ulOwner
);
400 /* Dereference current brush and pen */
401 BRUSH_ShareUnlockBrush(pdc
->dclevel
.pbrFill
);
402 BRUSH_ShareUnlockBrush(pdc
->dclevel
.pbrLine
);
404 /* Select the default fill and line brush */
405 pdc
->dcattr
.hbrush
= StockObjects
[WHITE_BRUSH
];
406 pdc
->dcattr
.hpen
= StockObjects
[BLACK_PEN
];
407 pdc
->dclevel
.pbrFill
= BRUSH_ShareLockBrush(pdc
->pdcattr
->hbrush
);
408 pdc
->dclevel
.pbrLine
= PEN_ShareLockPen(pdc
->pdcattr
->hpen
);
410 /* Mark them as dirty */
411 pdc
->pdcattr
->ulDirty_
|= DIRTY_FILL
|DIRTY_LINE
;
413 /* Allocate or free DC attribute */
414 if (ulOwner
== GDI_OBJ_HMGR_PUBLIC
|| ulOwner
== GDI_OBJ_HMGR_NONE
)
416 if (pdc
->pdcattr
!= &pdc
->dcattr
)
419 else if (ulOwner
== GDI_OBJ_HMGR_POWNED
)
421 if (pdc
->pdcattr
== &pdc
->dcattr
)
422 DC_bAllocDcAttr(pdc
);
425 /* Set the DC's ownership */
426 GDIOBJ_vSetObjectOwner(&pdc
->BaseObject
, ulOwner
);
431 GreSetDCOwner(HDC hdc
, ULONG ulOwner
)
435 pdc
= DC_LockDc(hdc
);
438 DPRINT1("GreSetDCOwner: Could not lock DC\n");
442 /* Call the internal DC function */
443 DC_vSetOwner(pdc
, ulOwner
);
451 DC_vUpdateDC(PDC pdc
)
454 PPDEVOBJ ppdev
= pdc
->ppdev
;
456 pdc
->dhpdev
= ppdev
->dhpdev
;
458 SURFACE_ShareUnlockSurface(pdc
->dclevel
.pSurface
);
459 pdc
->dclevel
.pSurface
= PDEVOBJ_pSurface(ppdev
);
461 PDEVOBJ_sizl(pdc
->ppdev
, &pdc
->dclevel
.sizl
);
463 VisRgn
= IntSysCreateRectpRgn(0, 0, pdc
->dclevel
.sizl
.cx
, pdc
->dclevel
.sizl
.cy
);
465 GdiSelectVisRgn(pdc
->BaseObject
.hHmgr
, VisRgn
);
466 REGION_Delete(VisRgn
);
469 pdc
->flGraphicsCaps
= ppdev
->devinfo
.flGraphicsCaps
;
470 pdc
->flGraphicsCaps2
= ppdev
->devinfo
.flGraphicsCaps2
;
472 /* Mark EBRUSHOBJs as dirty */
473 pdc
->pdcattr
->ulDirty_
|= DIRTY_DEFAULT
;
476 /* Prepare a blit for up to 2 DCs */
477 /* rc1 and rc2 are the rectangles where we want to draw or
478 * from where we take pixels. */
481 DC_vPrepareDCsForBlit(
487 PDC pdcFirst
, pdcSecond
;
488 const RECT
*prcFirst
, *prcSecond
;
491 if (pdcDest
->pdcattr
->ulDirty_
& (DIRTY_FILL
| DC_BRUSH_DIRTY
))
492 DC_vUpdateFillBrush(pdcDest
);
493 if (pdcDest
->pdcattr
->ulDirty_
& (DIRTY_LINE
| DC_PEN_DIRTY
))
494 DC_vUpdateLineBrush(pdcDest
);
495 if(pdcDest
->pdcattr
->ulDirty_
& DIRTY_TEXT
)
496 DC_vUpdateTextBrush(pdcDest
);
498 /* Lock them in good order */
501 if((ULONG_PTR
)pdcDest
->ppdev
->hsemDevLock
>= (ULONG_PTR
)pdcSrc
->ppdev
->hsemDevLock
)
524 /* Update clipping of dest DC if needed */
525 if (pdcDest
->dctype
== DCTYPE_DIRECT
)
527 DCE
* dce
= DceGetDceFromDC(pdcDest
->BaseObject
.hHmgr
);
529 DceUpdateVisRgn(dce
, dce
->pwndOrg
, dce
->DCXFlags
);
532 if (pdcDest
->fs
& DC_FLAG_DIRTY_RAO
)
533 CLIPPING_UpdateGCRegion(pdcDest
);
535 /* Lock and update first DC */
536 if(pdcFirst
->dctype
== DCTYPE_DIRECT
)
538 EngAcquireSemaphore(pdcFirst
->ppdev
->hsemDevLock
);
539 /* Update surface if needed */
540 if(pdcFirst
->ppdev
->pSurface
!= pdcFirst
->dclevel
.pSurface
)
542 DC_vUpdateDC(pdcFirst
);
546 if(pdcFirst
->dctype
== DCTYPE_DIRECT
)
549 prcFirst
= &pdcFirst
->erclClip
;
551 MouseSafetyOnDrawStart(pdcFirst
->ppdev
,
561 /* Lock and update second DC */
562 if(pdcSecond
->dctype
== DCTYPE_DIRECT
)
564 EngAcquireSemaphore(pdcSecond
->ppdev
->hsemDevLock
);
565 /* Update surface if needed */
566 if(pdcSecond
->ppdev
->pSurface
!= pdcSecond
->dclevel
.pSurface
)
568 DC_vUpdateDC(pdcSecond
);
572 if(pdcSecond
->dctype
== DCTYPE_DIRECT
)
575 prcSecond
= &pdcSecond
->erclClip
;
576 MouseSafetyOnDrawStart(pdcSecond
->ppdev
,
584 /* Finishes a blit for one or two DCs */
587 DC_vFinishBlit(PDC pdc1
, PDC pdc2
)
589 if(pdc1
->dctype
== DCTYPE_DIRECT
)
591 MouseSafetyOnDrawEnd(pdc1
->ppdev
);
592 EngReleaseSemaphore(pdc1
->ppdev
->hsemDevLock
);
597 if(pdc2
->dctype
== DCTYPE_DIRECT
)
599 MouseSafetyOnDrawEnd(pdc2
->ppdev
);
600 EngReleaseSemaphore(pdc2
->ppdev
->hsemDevLock
);
608 PUNICODE_STRING pustrDevice
,
610 PUNICODE_STRING pustrLogAddr
,
621 DPRINT("GreOpenDCW(%S, iType=%lu)\n",
622 pustrDevice
? pustrDevice
->Buffer
: NULL
, iType
);
624 /* Get a PDEVOBJ for the device */
625 ppdev
= EngpGetPDEV(pustrDevice
);
628 DPRINT1("Didn't find a suitable PDEV\n");
632 DPRINT("GreOpenDCW - ppdev = %p\n", ppdev
);
634 pdc
= DC_AllocDcWithHandle();
637 DPRINT1("Could not Allocate a DC\n");
638 PDEVOBJ_vRelease(ppdev
);
641 hdc
= pdc
->BaseObject
.hHmgr
;
643 /* Lock ppdev and initialize the new DC */
644 DC_vInitDc(pdc
, iType
, ppdev
);
648 DC_bAllocDcAttr(pdc
);
652 DPRINT("Returning hdc = %p\n", hdc
);
660 PUNICODE_STRING pustrDevice
,
662 PUNICODE_STRING pustrLogAddr
,
669 UNICODE_STRING ustrDevice
;
670 WCHAR awcDevice
[CCHDEVICENAME
];
675 /* Only if a devicename is given, we need any data */
678 /* Initialize destination string */
679 RtlInitEmptyUnicodeString(&ustrDevice
, awcDevice
, sizeof(awcDevice
));
683 /* Probe the UNICODE_STRING and the buffer */
684 ProbeForRead(pustrDevice
, sizeof(UNICODE_STRING
), 1);
685 ProbeForRead(pustrDevice
->Buffer
, pustrDevice
->Length
, 1);
687 /* Copy the string */
688 RtlCopyUnicodeString(&ustrDevice
, pustrDevice
);
692 /* FIXME: could be larger */
693 ProbeForRead(pdmInit
, sizeof(DEVMODEW
), 1);
694 RtlCopyMemory(&dmInit
, pdmInit
, sizeof(DEVMODEW
));
699 ProbeForWrite(pUMdhpdev
, sizeof(HANDLE
), 1);
702 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER
)
704 SetLastNtError(_SEH2_GetExceptionCode());
705 _SEH2_YIELD(return NULL
);
718 UNICODE_STRING ustrDISPLAY
= RTL_CONSTANT_STRING(L
"DISPLAY");
719 if (RtlEqualUnicodeString(&ustrDevice
, &ustrDISPLAY
, TRUE
))
725 /* Call the internal function */
726 hdc
= GreOpenDCW(pustrDevice
? &ustrDevice
: NULL
,
727 pdmInit
? &dmInit
: NULL
,
728 NULL
, // FIXME: pwszLogAddress
732 NULL
, // FIXME: pDriverInfo2
733 pUMdhpdev
? &dhpdev
: NULL
);
735 /* If we got a HDC and a UM dhpdev is requested,... */
736 if (hdc
&& pUMdhpdev
)
738 /* Copy dhpdev to caller (FIXME: use dhpdev?) */
741 /* Pointer was already probed */
742 *(HANDLE
*)pUMdhpdev
= dhpdev
;
744 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER
)
758 NtGdiCreateCompatibleDC(HDC hdc
)
764 DPRINT("NtGdiCreateCompatibleDC(0x%p)\n", hdc
);
766 /* Did the caller provide a DC? */
769 /* Yes, try to lock it */
770 pdc
= DC_LockDc(hdc
);
773 DPRINT1("Could not lock source DC %p\n", hdc
);
777 /* Get the pdev from the DC */
779 InterlockedIncrement(&ppdev
->cPdevRefs
);
781 /* Unlock the source DC */
786 /* No DC given, get default device */
787 ppdev
= EngpGetPDEV(NULL
);
792 DPRINT1("Didn't find a suitable PDEV\n");
796 /* Allocate a new DC */
797 pdcNew
= DC_AllocDcWithHandle();
800 DPRINT1("Could not allocate a new DC\n");
801 PDEVOBJ_vRelease(ppdev
);
804 hdcNew
= pdcNew
->BaseObject
.hHmgr
;
806 /* Lock ppdev and initialize the new DC */
807 DC_vInitDc(pdcNew
, DCTYPE_MEMORY
, ppdev
);
811 /* Allocate a dc attribute */
812 DC_bAllocDcAttr(pdcNew
);
816 DPRINT("Leave NtGdiCreateCompatibleDC hdcNew = %p\n", hdcNew
);
823 IntGdiDeleteDC(HDC hDC
, BOOL Force
)
825 PDC DCToDelete
= DC_LockDc(hDC
);
827 if (DCToDelete
== NULL
)
829 EngSetLastError(ERROR_INVALID_HANDLE
);
835 /* Windows permits NtGdiDeleteObjectApp to delete a permanent DC
836 * For some reason, it's still a valid handle, pointing to some kernel data.
837 * Not sure if this is a bug, a feature, some cache stuff... Who knows?
838 * See NtGdiDeleteObjectApp test for details */
839 if (DCToDelete
->fs
& DC_FLAG_PERMANENT
)
841 DC_UnlockDc(DCToDelete
);
842 if(UserReleaseDC(NULL
, hDC
, FALSE
))
844 /* ReactOS feature: Call UserReleaseDC
845 * I don't think Windows does it.
846 * Still, complain, no one should ever call DeleteDC
848 DPRINT1("No, you naughty application!\n");
853 /* This is not a window owned DC.
854 * Force its deletion */
855 return IntGdiDeleteDC(hDC
, TRUE
);
860 DC_UnlockDc(DCToDelete
);
862 if (GreIsHandleValid(hDC
))
864 if (!GreDeleteObject(hDC
))
866 DPRINT1("DC_FreeDC failed\n");
871 DPRINT1("Attempted to Delete 0x%p currently being destroyed!!!\n", hDC
);
879 NtGdiDeleteObjectApp(HANDLE hobj
)
881 /* Complete all pending operations */
882 NtGdiFlushUserBatch(); // FIXME: We shouldn't need this
884 if (GDI_HANDLE_IS_STOCKOBJ(hobj
)) return TRUE
;
886 if (GreGetObjectOwner(hobj
) != GDI_OBJ_HMGR_POWNED
)
888 EngSetLastError(ERROR_INVALID_HANDLE
);
892 if (GDI_HANDLE_GET_TYPE(hobj
) != GDI_OBJECT_TYPE_DC
)
893 return GreDeleteObject(hobj
);
895 // FIXME: Everything should be callback based
896 return IntGdiDeleteDC(hobj
, FALSE
);
901 MakeInfoDC(PDC pdc
, BOOL bSet
)
906 /* Can not be a display DC. */
907 if (pdc
->fs
& DC_FLAG_DISPLAY
) return FALSE
;
910 if (pdc
->fs
& DC_FLAG_TEMPINFODC
|| pdc
->dctype
== DC_TYPE_DIRECT
)
913 pSurface
= pdc
->dclevel
.pSurface
;
914 pdc
->fs
|= DC_FLAG_TEMPINFODC
;
915 pdc
->pSurfInfo
= pSurface
;
916 pdc
->dctype
= DC_TYPE_INFO
;
917 pdc
->dclevel
.pSurface
= NULL
;
919 PDEVOBJ_sizl(pdc
->ppdev
, &sizl
);
921 if ( sizl
.cx
== pdc
->dclevel
.sizl
.cx
&&
922 sizl
.cy
== pdc
->dclevel
.sizl
.cy
)
925 pdc
->dclevel
.sizl
.cx
= sizl
.cx
;
926 pdc
->dclevel
.sizl
.cy
= sizl
.cy
;
930 if (!(pdc
->fs
& DC_FLAG_TEMPINFODC
) || pdc
->dctype
!= DC_TYPE_INFO
)
933 pSurface
= pdc
->pSurfInfo
;
934 pdc
->fs
&= ~DC_FLAG_TEMPINFODC
;
935 pdc
->dclevel
.pSurface
= pSurface
;
936 pdc
->dctype
= DC_TYPE_DIRECT
;
937 pdc
->pSurfInfo
= NULL
;
940 (pSurface
->SurfObj
.sizlBitmap
.cx
== pdc
->dclevel
.sizl
.cx
&&
941 pSurface
->SurfObj
.sizlBitmap
.cy
== pdc
->dclevel
.sizl
.cy
) )
944 pdc
->dclevel
.sizl
.cx
= pSurface
->SurfObj
.sizlBitmap
.cx
;
945 pdc
->dclevel
.sizl
.cy
= pSurface
->SurfObj
.sizlBitmap
.cy
;
947 return IntSetDefaultRegion(pdc
);
960 PDC pdc
= DC_LockDc(hdc
);
963 Ret
= MakeInfoDC(pdc
, bSet
);
973 PUNICODE_STRING Driver
,
974 PUNICODE_STRING pustrDevice
,
976 CONST PDEVMODEW pdmInit
,
981 hdc
= GreOpenDCW(pustrDevice
,
984 CreateAsIC
? DCTYPE_INFO
:
985 (Driver
? DC_TYPE_DIRECT
: DC_TYPE_DIRECT
),
995 IntGdiCreateDisplayDC(HDEV hDev
, ULONG DcType
, BOOL EmptyDC
)
1001 if (DcType
== DC_TYPE_MEMORY
)
1002 hDC
= NtGdiCreateCompatibleDC(NULL
); // OH~ Yuck! I think I taste vomit in my mouth!
1004 hDC
= IntGdiCreateDC(NULL
, NULL
, NULL
, NULL
, (DcType
== DC_TYPE_INFO
));