Commit the stuff. Lots of changes. I'll write a proper list of changes when it's...
[reactos.git] / subsystems / win32 / win32k / objects / dclife.c
1 /*
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)
7 */
8
9 #include <w32k.h>
10 #include <bugcodes.h>
11
12 #define NDEBUG
13 #include <debug.h>
14
15 //FIXME: windows uses 0x0012009f
16 #define DIRTY_DEFAULT DIRTY_CHARSET|DIRTY_BACKGROUND|DIRTY_TEXT|DIRTY_LINE|DIRTY_FILL
17
18 PSURFACE psurfDefaultBitmap = NULL;
19 PBRUSH pbrDefaultBrush = NULL;
20
21 // FIXME: these should go to floatobj.h or something
22 #define FLOATOBJ_0 {0x00000000, 0x00000000}
23 #define FLOATOBJ_1 {0x40000000, 0x00000002}
24 #define FLOATOBJ_16 {0x40000000, 0x00000006}
25 #define FLOATOBJ_1_16 {0x40000000, 0xfffffffe}
26
27 static const FLOATOBJ gef0 = FLOATOBJ_0;
28 static const FLOATOBJ gef1 = FLOATOBJ_1;
29 static const FLOATOBJ gef16 = FLOATOBJ_16;
30
31 static const MATRIX gmxWorldToDeviceDefault =
32 {
33 FLOATOBJ_16, FLOATOBJ_0,
34 FLOATOBJ_0, FLOATOBJ_16,
35 FLOATOBJ_0, FLOATOBJ_0,
36 0, 0, 0x4b
37 };
38
39 static const MATRIX gmxDeviceToWorldDefault =
40 {
41 FLOATOBJ_1_16, FLOATOBJ_0,
42 FLOATOBJ_0, FLOATOBJ_1_16,
43 FLOATOBJ_0, FLOATOBJ_0,
44 0, 0, 0x53
45 };
46
47 static const MATRIX gmxWorldToPageDefault =
48 {
49 FLOATOBJ_1, FLOATOBJ_0,
50 FLOATOBJ_0, FLOATOBJ_1,
51 FLOATOBJ_0, FLOATOBJ_0,
52 0, 0, 0x63
53 };
54
55 // HACK!! Fix XFORMOBJ then use 1:16 / 16:1
56 #define gmxWorldToDeviceDefault gmxWorldToPageDefault
57 #define gmxDeviceToWorldDefault gmxWorldToPageDefault
58
59 /** Internal functions ********************************************************/
60
61 NTSTATUS
62 InitDcImpl()
63 {
64 psurfDefaultBitmap = SURFACE_ShareLockSurface(StockObjects[DEFAULT_BITMAP]);
65 if (!psurfDefaultBitmap)
66 return STATUS_UNSUCCESSFUL;
67
68 pbrDefaultBrush = BRUSH_ShareLockBrush(StockObjects[BLACK_BRUSH]);
69 if (!pbrDefaultBrush)
70 return STATUS_UNSUCCESSFUL;
71
72 return STATUS_SUCCESS;
73 }
74
75
76 PDC
77 NTAPI
78 DC_AllocDcWithHandle()
79 {
80 PDC pdc;
81 pdc = (PDC)GDIOBJ_AllocObjWithHandle(GDILoObjType_LO_DC_TYPE);
82
83 pdc->pdcattr = &pdc->dcattr;
84
85 return pdc;
86 }
87
88
89 void
90 DC_InitHack(PDC pdc)
91 {
92 HRGN hVisRgn;
93
94 TextIntRealizeFont(pdc->pdcattr->hlfntNew,NULL);
95 pdc->pdcattr->iCS_CP = ftGdiGetTextCharsetInfo(pdc,NULL,0);
96
97 /* This should never fail */
98 ASSERT(pdc->dclevel.ppal);
99
100 /* Select regions */
101 // FIXME: too complicated, broken error handling
102 pdc->rosdc.hClipRgn = NULL;
103 pdc->rosdc.hGCClipRgn = NULL;
104 hVisRgn = NtGdiCreateRectRgn(0, 0, pdc->dclevel.sizl.cx, pdc->dclevel.sizl.cy);
105 ASSERT(hVisRgn);
106 GdiSelectVisRgn(pdc->BaseObject.hHmgr, hVisRgn);
107 GreDeleteObject(hVisRgn);
108 ASSERT(pdc->rosdc.hVisRgn);
109 pdc->rosdc.bitsPerPixel = pdc->ppdev->gdiinfo.cBitsPixel *
110 pdc->ppdev->gdiinfo.cPlanes;
111 }
112
113 VOID
114 NTAPI
115 DC_vInitDc(
116 PDC pdc,
117 DCTYPE dctype,
118 PPDEVOBJ ppdev)
119 {
120
121 /* Setup some basic fields */
122 pdc->dctype = dctype;
123 pdc->ppdev = ppdev;
124 pdc->dhpdev = ppdev->dhpdev;
125 pdc->hsem = ppdev->hsemDevLock;
126 pdc->flGraphicsCaps = ppdev->devinfo.flGraphicsCaps;
127 pdc->flGraphicsCaps2 = ppdev->devinfo.flGraphicsCaps2;
128 pdc->fs = DC_DIRTY_RAO;
129
130 /* Setup dc attribute */
131 pdc->pdcattr = &pdc->dcattr;
132 pdc->dcattr.pvLDC = NULL;
133 pdc->dcattr.ulDirty_ = DIRTY_DEFAULT;
134 if (ppdev == gppdevPrimary)
135 pdc->dcattr.ulDirty_ |= DC_PRIMARY_DISPLAY;
136
137 /* Setup the DC size */
138 if (dctype == DCTYPE_MEMORY)
139 {
140 /* Memory DCs have a 1 x 1 bitmap by default */
141 pdc->dclevel.sizl.cx = 1;
142 pdc->dclevel.sizl.cy = 1;
143 }
144 else
145 {
146 /* Other DC's are as big as the related PDEV */
147 pdc->dclevel.sizl.cx = ppdev->gdiinfo.ulHorzRes;
148 pdc->dclevel.sizl.cy = ppdev->gdiinfo.ulVertRes;
149 }
150
151 /* Setup Window rect based on DC size */
152 pdc->erclWindow.left = 0;
153 pdc->erclWindow.top = 0;
154 pdc->erclWindow.right = pdc->dclevel.sizl.cx;
155 pdc->erclWindow.bottom = pdc->dclevel.sizl.cy;
156
157 if (dctype == DCTYPE_DIRECT)
158 {
159 /* Direct DCs get the surface from the PDEV */
160 pdc->dclevel.pSurface = PDEVOBJ_pSurface(ppdev);
161
162 pdc->erclBounds.left = 0x7fffffff;
163 pdc->erclBounds.top = 0x7fffffff;
164 pdc->erclBounds.right = 0x80000000;
165 pdc->erclBounds.bottom = 0x80000000;
166 pdc->erclBoundsApp.left = 0xffffffff;
167 pdc->erclBoundsApp.top = 0xfffffffc;
168 pdc->erclBoundsApp.right = 0x00007ffc; // FIXME
169 pdc->erclBoundsApp.bottom = 0x00000333; // FIXME
170 pdc->erclClip = pdc->erclBounds;
171 // pdc->co
172
173 pdc->fs |= DC_SYNCHRONIZEACCESS | DC_ACCUM_APP | DC_PERMANANT | DC_DISPLAY;
174 }
175 else
176 {
177 /* Non-direct DCs don't have a surface by default */
178 pdc->dclevel.pSurface = NULL;
179
180 // FIXME: HACK, because our code expects a surface
181 pdc->dclevel.pSurface = SURFACE_ShareLockSurface(StockObjects[DEFAULT_BITMAP]);
182
183 pdc->erclBounds.left = 0;
184 pdc->erclBounds.top = 0;
185 pdc->erclBounds.right = 0;
186 pdc->erclBounds.bottom = 0;
187 pdc->erclBoundsApp = pdc->erclBounds;
188 pdc->erclClip = pdc->erclWindow;
189 // pdc->co = NULL
190 }
191
192 // pdc->dcattr.VisRectRegion:
193
194 /* Setup coordinate transformation data */
195 pdc->dclevel.mxWorldToDevice = gmxWorldToDeviceDefault;
196 pdc->dclevel.mxDeviceToWorld = gmxDeviceToWorldDefault;
197 pdc->dclevel.mxWorldToPage = gmxWorldToPageDefault;
198 pdc->dclevel.efM11PtoD = gef16;
199 pdc->dclevel.efM22PtoD = gef16;
200 pdc->dclevel.efDxPtoD = gef0;
201 pdc->dclevel.efDyPtoD = gef0;
202 pdc->dclevel.efM11_TWIPS = gef0;
203 pdc->dclevel.efM22_TWIPS = gef0;
204 pdc->dclevel.efPr11 = gef0;
205 pdc->dclevel.efPr22 = gef0;
206 pdc->dcattr.mxWorldToDevice = pdc->dclevel.mxWorldToDevice;
207 pdc->dcattr.mxDeviceToWorld = pdc->dclevel.mxDeviceToWorld;
208 pdc->dcattr.mxWorldToPage = pdc->dclevel.mxWorldToPage;
209 pdc->dcattr.efM11PtoD = pdc->dclevel.efM11PtoD;
210 pdc->dcattr.efM22PtoD = pdc->dclevel.efM22PtoD;
211 pdc->dcattr.efDxPtoD = pdc->dclevel.efDxPtoD;
212 pdc->dcattr.efDyPtoD = pdc->dclevel.efDyPtoD;
213 pdc->dcattr.iMapMode = MM_TEXT;
214 pdc->dcattr.dwLayout = 0;
215 pdc->dcattr.flXform = PAGE_TO_DEVICE_SCALE_IDENTITY |
216 PAGE_TO_DEVICE_IDENTITY |
217 WORLD_TO_PAGE_IDENTITY;
218
219 /* Setup more coordinates */
220 pdc->ptlDCOrig.x = 0;
221 pdc->ptlDCOrig.y = 0;
222 pdc->dcattr.lWindowOrgx = 0;
223 pdc->dcattr.ptlWindowOrg.x = 0;
224 pdc->dcattr.ptlWindowOrg.y = 0;
225 pdc->dcattr.szlWindowExt.cx = 1;
226 pdc->dcattr.szlWindowExt.cy = 1;
227 pdc->dcattr.ptlViewportOrg.x = 0;
228 pdc->dcattr.ptlViewportOrg.y = 0;
229 pdc->dcattr.szlViewportExt.cx = 1;
230 pdc->dcattr.szlViewportExt.cy = 1;
231 pdc->dcattr.szlVirtualDevicePixel.cx = 0;
232 pdc->dcattr.szlVirtualDevicePixel.cy = 0;
233 pdc->dcattr.szlVirtualDeviceMm.cx = 0;
234 pdc->dcattr.szlVirtualDeviceMm.cy = 0;
235 pdc->dcattr.szlVirtualDeviceSize.cx = 0;
236 pdc->dcattr.szlVirtualDeviceSize.cy = 0;
237
238 /* Setup regions */
239 pdc->prgnAPI = NULL;
240 pdc->prgnVis = NULL; // FIXME
241 pdc->prgnRao = NULL;
242
243 /* Setup palette */
244 pdc->dclevel.hpal = StockObjects[DEFAULT_PALETTE];
245 pdc->dclevel.ppal = PALETTE_ShareLockPalette(pdc->dclevel.hpal);
246
247 /* Setup path */
248 pdc->dclevel.hPath = NULL;
249 pdc->dclevel.flPath = 0;
250 // pdc->dclevel.lapath:
251
252 /* Setup colors */
253 pdc->dcattr.crBackgroundClr = RGB(0xff, 0xff, 0xff);
254 pdc->dcattr.ulBackgroundClr = RGB(0xff, 0xff, 0xff);
255 pdc->dcattr.crForegroundClr = RGB(0, 0, 0);
256 pdc->dcattr.ulForegroundClr = RGB(0, 0, 0);
257 pdc->dcattr.crBrushClr = RGB(0xff, 0xff, 0xff);
258 pdc->dcattr.ulBrushClr = RGB(0xff, 0xff, 0xff);
259 pdc->dcattr.crPenClr = RGB(0, 0, 0);
260 pdc->dcattr.ulPenClr = RGB(0, 0, 0);
261
262 /* Select the default fill and line brush */
263 pdc->dcattr.hbrush = StockObjects[WHITE_BRUSH];
264 pdc->dcattr.hpen = StockObjects[BLACK_PEN];
265 pdc->dclevel.pbrFill = BRUSH_ShareLockBrush(pdc->pdcattr->hbrush);
266 pdc->dclevel.pbrLine = PEN_ShareLockPen(pdc->pdcattr->hpen);
267 pdc->dclevel.ptlBrushOrigin.x = 0;
268 pdc->dclevel.ptlBrushOrigin.y = 0;
269 pdc->dcattr.ptlBrushOrigin = pdc->dclevel.ptlBrushOrigin;
270
271 /* Initialize EBRUSHOBJs */
272 EBRUSHOBJ_vInit(&pdc->eboFill, pdc->dclevel.pbrFill, pdc);
273 EBRUSHOBJ_vInit(&pdc->eboLine, pdc->dclevel.pbrLine, pdc);
274 EBRUSHOBJ_vInit(&pdc->eboText, pbrDefaultBrush, pdc);
275 EBRUSHOBJ_vInit(&pdc->eboBackground, pbrDefaultBrush, pdc);
276
277 /* Setup fill data */
278 pdc->dcattr.jROP2 = R2_COPYPEN;
279 pdc->dcattr.jBkMode = 2;
280 pdc->dcattr.lBkMode = 2;
281 pdc->dcattr.jFillMode = ALTERNATE;
282 pdc->dcattr.lFillMode = 1;
283 pdc->dcattr.jStretchBltMode = 1;
284 pdc->dcattr.lStretchBltMode = 1;
285 pdc->ptlFillOrigin.x = 0;
286 pdc->ptlFillOrigin.y = 0;
287
288 /* Setup drawing position */
289 pdc->dcattr.ptlCurrent.x = 0;
290 pdc->dcattr.ptlCurrent.y = 0;
291 pdc->dcattr.ptfxCurrent.x = 0;
292 pdc->dcattr.ptfxCurrent.y = 0;
293
294 /* Setup ICM data */
295 pdc->dclevel.lIcmMode = 0;
296 pdc->dcattr.lIcmMode = 0;
297 pdc->dcattr.hcmXform = NULL;
298 pdc->dcattr.flIcmFlags = 0;
299 pdc->dcattr.IcmBrushColor = CLR_INVALID;
300 pdc->dcattr.IcmPenColor = CLR_INVALID;
301 pdc->dcattr.pvLIcm = NULL;
302 pdc->dcattr.hColorSpace = NULL; // FIXME: 0189001f
303 pdc->dclevel.pColorSpace = NULL; // FIXME
304 pdc->pClrxFormLnk = NULL;
305 // pdc->dclevel.ca =
306
307 /* Setup font data */
308 pdc->hlfntCur = NULL; // FIXME: 2f0a0cf8
309 pdc->pPFFList = NULL;
310 pdc->flSimulationFlags = 0;
311 pdc->lEscapement = 0;
312 pdc->prfnt = NULL;
313 pdc->dcattr.flFontMapper = 0;
314 pdc->dcattr.flTextAlign = 0;
315 pdc->dcattr.lTextAlign = 0;
316 pdc->dcattr.lTextExtra = 0;
317 pdc->dcattr.lRelAbs = 1;
318 pdc->dcattr.lBreakExtra = 0;
319 pdc->dcattr.cBreak = 0;
320 pdc->dcattr.hlfntNew = StockObjects[SYSTEM_FONT];
321 // pdc->dclevel.pFont = LFONT_ShareLockFont(pdc->dcattr.hlfntNew);
322
323 /* Other stuff */
324 pdc->hdcNext = NULL;
325 pdc->hdcPrev = NULL;
326 pdc->ipfdDevMax = 0x0000ffff;
327 pdc->ulCopyCount = -1;
328 pdc->ptlDoBanding.x = 0;
329 pdc->ptlDoBanding.y = 0;
330 pdc->dclevel.lSaveDepth = 1;
331 pdc->dclevel.hdcSave = NULL;
332 pdc->dcattr.iGraphicsMode = GM_COMPATIBLE;
333 pdc->dcattr.iCS_CP = 0;
334 pdc->pSurfInfo = NULL;
335
336 /* FIXME: HACK! */
337 DC_InitHack(pdc);
338 }
339
340 BOOL
341 INTERNAL_CALL
342 DC_Cleanup(PVOID ObjectBody)
343 {
344 PDC pdc = (PDC)ObjectBody;
345
346 /* Free DC_ATTR */
347 DC_vFreeDcAttr(pdc);
348
349 /* Delete saved DCs */
350 DC_vRestoreDC(pdc, 1);
351
352 /* Deselect dc objects */
353 DC_vSelectSurface(pdc, NULL);
354 DC_vSelectFillBrush(pdc, NULL);
355 DC_vSelectLineBrush(pdc, NULL);
356 DC_vSelectPalette(pdc, NULL);
357
358 /* Cleanup the dc brushes */
359 EBRUSHOBJ_vCleanup(&pdc->eboFill);
360 EBRUSHOBJ_vCleanup(&pdc->eboLine);
361 EBRUSHOBJ_vCleanup(&pdc->eboText);
362 EBRUSHOBJ_vCleanup(&pdc->eboBackground);
363
364 /* Free regions */
365 if (pdc->rosdc.hClipRgn)
366 GreDeleteObject(pdc->rosdc.hClipRgn);
367 if (pdc->rosdc.hVisRgn)
368 GreDeleteObject(pdc->rosdc.hVisRgn);
369 ASSERT(pdc->rosdc.hGCClipRgn);
370 if (pdc->rosdc.hGCClipRgn)
371 GreDeleteObject(pdc->rosdc.hGCClipRgn);
372 if (NULL != pdc->rosdc.CombinedClip)
373 IntEngDeleteClipRegion(pdc->rosdc.CombinedClip);
374
375 PATH_Delete(pdc->dclevel.hPath);
376
377 return TRUE;
378 }
379
380 BOOL
381 FASTCALL
382 DC_SetOwnership(HDC hDC, PEPROCESS Owner)
383 {
384 INT Index;
385 PGDI_TABLE_ENTRY Entry;
386 PDC pDC;
387
388 /* FIXME: This function has broken error handling */
389
390 if (!GDIOBJ_SetOwnership(hDC, Owner))
391 {
392 DPRINT1("GDIOBJ_SetOwnership failed\n");
393 return FALSE;
394 }
395
396 pDC = DC_LockDc(hDC);
397 if (!pDC)
398 {
399 DPRINT1("Could not lock DC\n");
400 return FALSE;
401 }
402
403 /*
404 System Regions:
405 These regions do not use attribute sections and when allocated, use
406 gdiobj level functions.
407 */
408 if (pDC->rosdc.hClipRgn)
409 { // FIXME! HAX!!!
410 Index = GDI_HANDLE_GET_INDEX(pDC->rosdc.hClipRgn);
411 Entry = &GdiHandleTable->Entries[Index];
412 if (Entry->UserData) FreeObjectAttr(Entry->UserData);
413 Entry->UserData = NULL;
414 //
415 if (!GDIOBJ_SetOwnership(pDC->rosdc.hClipRgn, Owner)) return FALSE;
416 }
417 if (pDC->rosdc.hVisRgn)
418 { // FIXME! HAX!!!
419 Index = GDI_HANDLE_GET_INDEX(pDC->rosdc.hVisRgn);
420 Entry = &GdiHandleTable->Entries[Index];
421 if (Entry->UserData) FreeObjectAttr(Entry->UserData);
422 Entry->UserData = NULL;
423 //
424 if (!GDIOBJ_SetOwnership(pDC->rosdc.hVisRgn, Owner)) return FALSE;
425 }
426 if (pDC->rosdc.hGCClipRgn)
427 { // FIXME! HAX!!!
428 Index = GDI_HANDLE_GET_INDEX(pDC->rosdc.hGCClipRgn);
429 Entry = &GdiHandleTable->Entries[Index];
430 if (Entry->UserData) FreeObjectAttr(Entry->UserData);
431 Entry->UserData = NULL;
432 //
433 if (!GDIOBJ_SetOwnership(pDC->rosdc.hGCClipRgn, Owner)) return FALSE;
434 }
435 if (pDC->dclevel.hPath)
436 {
437 if (!GDIOBJ_SetOwnership(pDC->dclevel.hPath, Owner)) return FALSE;
438 }
439 DC_UnlockDc(pDC);
440
441 return TRUE;
442 }
443
444 HDC
445 NTAPI
446 GreOpenDCW(
447 PUNICODE_STRING pustrDevice,
448 DEVMODEW *pdmInit,
449 PUNICODE_STRING pustrLogAddr,
450 ULONG iType,
451 BOOL bDisplay,
452 HANDLE hspool,
453 VOID *pDriverInfo2,
454 VOID *pUMdhpdev)
455 {
456 PPDEVOBJ ppdev;
457 PDC pdc;
458 HDC hdc;
459
460 DPRINT("GreOpenDCW(%S, iType=%ld)\n",
461 pustrDevice ? pustrDevice->Buffer : NULL, iType);
462
463 /* Get a PDEVOBJ for the device */
464 ppdev = EngpGetPDEV(pustrDevice);
465 if (!ppdev)
466 {
467 DPRINT1("Didn't find a suitable PDEV\n");
468 return NULL;
469 }
470
471 DPRINT("GreOpenDCW - ppdev = %p\n", ppdev);
472
473 pdc = DC_AllocDcWithHandle();
474 if (!pdc)
475 {
476 DPRINT1("Could not Allocate a DC\n");
477 PDEVOBJ_vRelease(ppdev);
478 return NULL;
479 }
480 hdc = pdc->BaseObject.hHmgr;
481
482 DC_vInitDc(pdc, iType, ppdev);
483 DC_AllocDcAttr(pdc);
484
485 DC_UnlockDc(pdc);
486
487 DPRINT("returning hdc = %p\n", hdc);
488
489 return hdc;
490 }
491
492 HDC
493 APIENTRY
494 NtGdiOpenDCW(
495 PUNICODE_STRING pustrDevice,
496 DEVMODEW *pdmInit,
497 PUNICODE_STRING pustrLogAddr,
498 ULONG iType,
499 BOOL bDisplay,
500 HANDLE hspool,
501 VOID *pDriverInfo2,
502 VOID *pUMdhpdev)
503 {
504 UNICODE_STRING ustrDevice;
505 WCHAR awcDevice[CCHDEVICENAME];
506 DEVMODEW dmInit;
507 PVOID dhpdev;
508 HDC hdc;
509
510 /* Only if a devicename is given, we need any data */
511 if (pustrDevice)
512 {
513 /* Initialize destination string */
514 RtlInitEmptyUnicodeString(&ustrDevice, awcDevice, sizeof(awcDevice));
515
516 _SEH2_TRY
517 {
518 /* Probe the UNICODE_STRING and the buffer */
519 ProbeForRead(pustrDevice, sizeof(UNICODE_STRING), 1);
520 ProbeForRead(pustrDevice->Buffer, pustrDevice->Length, 1);
521
522 /* Copy the string */
523 RtlCopyUnicodeString(&ustrDevice, pustrDevice);
524
525 if (pdmInit)
526 {
527 /* FIXME: could be larger */
528 ProbeForRead(pdmInit, sizeof(DEVMODEW), 1);
529 RtlCopyMemory(&dmInit, pdmInit, sizeof(DEVMODEW));
530 }
531
532 if (pUMdhpdev)
533 {
534 ProbeForWrite(pUMdhpdev, sizeof(HANDLE), 1);
535 }
536 }
537 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
538 {
539 SetLastNtError(_SEH2_GetExceptionCode());
540 _SEH2_YIELD(return NULL);
541 }
542 _SEH2_END
543 }
544 else
545 {
546 pdmInit = NULL;
547 pUMdhpdev = NULL;
548 }
549
550 /* FIXME: HACK! */
551 if (pustrDevice)
552 {
553 UNICODE_STRING ustrDISPLAY = RTL_CONSTANT_STRING(L"DISPLAY");
554 if (RtlEqualUnicodeString(&ustrDevice, &ustrDISPLAY, TRUE))
555 {
556 pustrDevice = NULL;
557 }
558 }
559
560 /* Call the internal function */
561 hdc = GreOpenDCW(pustrDevice ? &ustrDevice : NULL,
562 pdmInit ? &dmInit : NULL,
563 NULL, // fixme pwszLogAddress
564 iType,
565 bDisplay,
566 hspool,
567 NULL, //FIXME: pDriverInfo2
568 pUMdhpdev ? &dhpdev : NULL);
569
570 /* If we got a HDC and a UM dhpdev is requested,... */
571 if (hdc && pUMdhpdev)
572 {
573 /* Copy dhpdev to caller (FIXME: use dhpdev?? */
574 _SEH2_TRY
575 {
576 /* Pointer was already probed */
577 *(HANDLE*)pUMdhpdev = dhpdev;
578 }
579 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER)
580 {
581 /* Ignore error */
582 }
583 _SEH2_END
584 }
585
586 return hdc;
587 }
588
589
590 HDC
591 APIENTRY
592 NtGdiCreateCompatibleDC(HDC hdc)
593 {
594 HDC hdcNew;
595 PPDEVOBJ ppdev;
596 PDC pdc, pdcNew;
597
598 DPRINT("NtGdiCreateCompatibleDC(0x%p)\n", hdc);
599
600 /* Did the caller provide a DC? */
601 if (hdc)
602 {
603 /* Yes, try to lock it */
604 pdc = DC_LockDc(hdc);
605 if (!pdc)
606 {
607 DPRINT1("Could not lock source DC %p\n", hdc);
608 return NULL;
609 }
610
611 /* Get the pdev from the DC */
612 ppdev = pdc->ppdev;
613 InterlockedIncrement(&ppdev->cPdevRefs);
614
615 /* Unlock the source DC */
616 DC_UnlockDc(pdc);
617 }
618 else
619 {
620 /* No DC given, get default device */
621 ppdev = EngpGetPDEV(NULL);
622 }
623
624 if (!ppdev)
625 {
626 DPRINT1("Didn't find a suitable PDEV\n");
627 return NULL;
628 }
629
630 /* Allocate a new DC */
631 pdcNew = DC_AllocDcWithHandle();
632 if (!pdcNew)
633 {
634 DPRINT1("Could not allocate a new DC\n");
635 PDEVOBJ_vRelease(ppdev);
636 return NULL;
637 }
638 hdcNew = pdcNew->BaseObject.hHmgr;
639
640 /* Initialize the new DC */
641 DC_vInitDc(pdcNew, DCTYPE_MEMORY, ppdev);
642
643 /* Allocate a dc attribute */
644 DC_AllocDcAttr(pdcNew);
645
646 PDEVOBJ_vRelease(ppdev);
647
648 // HACK!
649 DC_vSelectSurface(pdcNew, psurfDefaultBitmap);
650
651 DC_UnlockDc(pdcNew);
652
653 DPRINT("Leave NtGdiCreateCompatibleDC hdcNew = %p\n", hdcNew);
654
655 return hdcNew;
656 }
657
658 BOOL
659 FASTCALL
660 IntGdiDeleteDC(HDC hDC, BOOL Force)
661 {
662 PDC DCToDelete = DC_LockDc(hDC);
663
664 if (DCToDelete == NULL)
665 {
666 SetLastWin32Error(ERROR_INVALID_HANDLE);
667 return FALSE;
668 }
669
670 if (!Force)
671 {
672 if (DCToDelete->fs & DC_FLAG_PERMANENT)
673 {
674 DPRINT1("No! You Naughty Application!\n");
675 DC_UnlockDc(DCToDelete);
676 return UserReleaseDC(NULL, hDC, FALSE);
677 }
678 }
679
680 DC_UnlockDc(DCToDelete);
681
682 if (!IsObjectDead(hDC))
683 {
684 if (!GDIOBJ_FreeObjByHandle(hDC, GDI_OBJECT_TYPE_DC))
685 {
686 DPRINT1("DC_FreeDC failed\n");
687 }
688 }
689 else
690 {
691 DPRINT1("Attempted to Delete 0x%x currently being destroyed!!!\n", hDC);
692 }
693
694 return TRUE;
695 }
696
697 BOOL
698 APIENTRY
699 NtGdiDeleteObjectApp(HANDLE DCHandle)
700 {
701 /* Complete all pending operations */
702 NtGdiFlushUserBatch();
703
704 if (GDI_HANDLE_IS_STOCKOBJ(DCHandle)) return TRUE;
705
706 if (GDI_HANDLE_GET_TYPE(DCHandle) != GDI_OBJECT_TYPE_DC)
707 return GreDeleteObject((HGDIOBJ) DCHandle);
708
709 if (IsObjectDead((HGDIOBJ)DCHandle)) return TRUE;
710
711 if (!GDIOBJ_OwnedByCurrentProcess(DCHandle))
712 {
713 SetLastWin32Error(ERROR_INVALID_HANDLE);
714 return FALSE;
715 }
716
717 return IntGdiDeleteDC(DCHandle, FALSE);
718 }
719
720 BOOL
721 APIENTRY
722 NtGdiMakeInfoDC(
723 IN HDC hdc,
724 IN BOOL bSet)
725 {
726 UNIMPLEMENTED;
727 ASSERT(FALSE);
728 return FALSE;
729 }
730
731
732 HDC FASTCALL
733 IntGdiCreateDC(
734 PUNICODE_STRING Driver,
735 PUNICODE_STRING pustrDevice,
736 PVOID pUMdhpdev,
737 CONST PDEVMODEW pdmInit,
738 BOOL CreateAsIC)
739 {
740 HDC hdc;
741
742 hdc = GreOpenDCW(pustrDevice,
743 pdmInit,
744 NULL,
745 CreateAsIC ? DCTYPE_INFO :
746 (Driver ? DC_TYPE_DIRECT : DC_TYPE_DIRECT),
747 TRUE,
748 NULL,
749 NULL,
750 pUMdhpdev);
751
752 return hdc;
753 }
754
755 HDC FASTCALL
756 IntGdiCreateDisplayDC(HDEV hDev, ULONG DcType, BOOL EmptyDC)
757 {
758 HDC hDC;
759 UNIMPLEMENTED;
760 ASSERT(FALSE);
761
762 if (DcType == DC_TYPE_MEMORY)
763 hDC = NtGdiCreateCompatibleDC(NULL); // OH~ Yuck! I think I taste vomit in my mouth!
764 else
765 hDC = IntGdiCreateDC(NULL, NULL, NULL, NULL, (DcType == DC_TYPE_INFO));
766
767 return hDC;
768 }
769