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d3d9: Hold the lock in stateblock methods.
[wine.git] / dlls / gdi32 / driver.c
blob9d472ef6ad95a787befe228153e3a3cb050a7ee2
1 /*
2 * Graphics driver management functions
3 *
4 * Copyright 1994 Bob Amstadt
5 * Copyright 1996, 2001 Alexandre Julliard
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22 #include "config.h"
23 #include "wine/port.h"
24
25 #include <stdarg.h>
26 #include <string.h>
27 #include <stdio.h>
28 #include "windef.h"
29 #include "winbase.h"
30 #include "winreg.h"
31
32 #include "gdi_private.h"
33 #include "wine/unicode.h"
34 #include "wine/debug.h"
35
36 WINE_DEFAULT_DEBUG_CHANNEL(driver);
37
38 struct graphics_driver
39 {
40 struct graphics_driver *next;
41 struct graphics_driver *prev;
42 HMODULE module; /* module handle */
43 unsigned int count; /* reference count */
44 DC_FUNCTIONS funcs;
45 };
46
47 static struct graphics_driver *first_driver;
48 static struct graphics_driver *display_driver;
49
50 static CRITICAL_SECTION driver_section;
51 static CRITICAL_SECTION_DEBUG critsect_debug =
52 {
53 0, 0, &driver_section,
54 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
55 0, 0, { (DWORD_PTR)(__FILE__ ": driver_section") }
56 };
57 static CRITICAL_SECTION driver_section = { &critsect_debug, -1, 0, 0, 0, 0 };
58
59 /**********************************************************************
60 * create_driver
61 *
62 * Allocate and fill the driver structure for a given module.
63 */
64 static struct graphics_driver *create_driver( HMODULE module )
65 {
66 struct graphics_driver *driver;
67
68 if (!(driver = HeapAlloc( GetProcessHeap(), 0, sizeof(*driver)))) return NULL;
69 driver->next = NULL;
70 driver->prev = NULL;
71 driver->module = module;
72 driver->count = 1;
73
74 /* fill the function table */
75 if (module)
76 {
77 #define GET_FUNC(name) driver->funcs.p##name = (void*)GetProcAddress( module, #name )
78 GET_FUNC(AbortDoc);
79 GET_FUNC(AbortPath);
80 GET_FUNC(AlphaBlend);
81 GET_FUNC(AngleArc);
82 GET_FUNC(Arc);
83 GET_FUNC(ArcTo);
84 GET_FUNC(BeginPath);
85 GET_FUNC(BitBlt);
86 GET_FUNC(ChoosePixelFormat);
87 GET_FUNC(Chord);
88 GET_FUNC(CloseFigure);
89 GET_FUNC(CreateBitmap);
90 GET_FUNC(CreateDC);
91 GET_FUNC(CreateDIBSection);
92 GET_FUNC(DeleteBitmap);
93 GET_FUNC(DeleteDC);
94 GET_FUNC(DescribePixelFormat);
95 GET_FUNC(DeviceCapabilities);
96 GET_FUNC(Ellipse);
97 GET_FUNC(EndDoc);
98 GET_FUNC(EndPage);
99 GET_FUNC(EndPath);
100 GET_FUNC(EnumDeviceFonts);
101 GET_FUNC(ExcludeClipRect);
102 GET_FUNC(ExtDeviceMode);
103 GET_FUNC(ExtEscape);
104 GET_FUNC(ExtFloodFill);
105 GET_FUNC(ExtSelectClipRgn);
106 GET_FUNC(ExtTextOut);
107 GET_FUNC(FillPath);
108 GET_FUNC(FillRgn);
109 GET_FUNC(FlattenPath);
110 GET_FUNC(FrameRgn);
111 GET_FUNC(GdiComment);
112 GET_FUNC(GetBitmapBits);
113 GET_FUNC(GetCharWidth);
114 GET_FUNC(GetDCOrgEx);
115 GET_FUNC(GetDIBColorTable);
116 GET_FUNC(GetDIBits);
117 GET_FUNC(GetDeviceCaps);
118 GET_FUNC(GetDeviceGammaRamp);
119 GET_FUNC(GetNearestColor);
120 GET_FUNC(GetPixel);
121 GET_FUNC(GetPixelFormat);
122 GET_FUNC(GetSystemPaletteEntries);
123 GET_FUNC(GetTextExtentExPoint);
124 GET_FUNC(GetTextMetrics);
125 GET_FUNC(IntersectClipRect);
126 GET_FUNC(InvertRgn);
127 GET_FUNC(LineTo);
128 GET_FUNC(MoveTo);
129 GET_FUNC(ModifyWorldTransform);
130 GET_FUNC(OffsetClipRgn);
131 GET_FUNC(OffsetViewportOrg);
132 GET_FUNC(OffsetWindowOrg);
133 GET_FUNC(PaintRgn);
134 GET_FUNC(PatBlt);
135 GET_FUNC(Pie);
136 GET_FUNC(PolyBezier);
137 GET_FUNC(PolyBezierTo);
138 GET_FUNC(PolyDraw);
139 GET_FUNC(PolyPolygon);
140 GET_FUNC(PolyPolyline);
141 GET_FUNC(Polygon);
142 GET_FUNC(Polyline);
143 GET_FUNC(PolylineTo);
144 GET_FUNC(RealizeDefaultPalette);
145 GET_FUNC(RealizePalette);
146 GET_FUNC(Rectangle);
147 GET_FUNC(ResetDC);
148 GET_FUNC(RestoreDC);
149 GET_FUNC(RoundRect);
150 GET_FUNC(SaveDC);
151 GET_FUNC(ScaleViewportExt);
152 GET_FUNC(ScaleWindowExt);
153 GET_FUNC(SelectBitmap);
154 GET_FUNC(SelectBrush);
155 GET_FUNC(SelectClipPath);
156 GET_FUNC(SelectFont);
157 GET_FUNC(SelectPalette);
158 GET_FUNC(SelectPen);
159 GET_FUNC(SetArcDirection);
160 GET_FUNC(SetBitmapBits);
161 GET_FUNC(SetBkColor);
162 GET_FUNC(SetBkMode);
163 GET_FUNC(SetDCBrushColor);
164 GET_FUNC(SetDCOrg);
165 GET_FUNC(SetDCPenColor);
166 GET_FUNC(SetDIBColorTable);
167 GET_FUNC(SetDIBits);
168 GET_FUNC(SetDIBitsToDevice);
169 GET_FUNC(SetDeviceClipping);
170 GET_FUNC(SetDeviceGammaRamp);
171 GET_FUNC(SetMapMode);
172 GET_FUNC(SetMapperFlags);
173 GET_FUNC(SetPixel);
174 GET_FUNC(SetPixelFormat);
175 GET_FUNC(SetPolyFillMode);
176 GET_FUNC(SetROP2);
177 GET_FUNC(SetRelAbs);
178 GET_FUNC(SetStretchBltMode);
179 GET_FUNC(SetTextAlign);
180 GET_FUNC(SetTextCharacterExtra);
181 GET_FUNC(SetTextColor);
182 GET_FUNC(SetTextJustification);
183 GET_FUNC(SetViewportExt);
184 GET_FUNC(SetViewportOrg);
185 GET_FUNC(SetWindowExt);
186 GET_FUNC(SetWindowOrg);
187 GET_FUNC(SetWorldTransform);
188 GET_FUNC(StartDoc);
189 GET_FUNC(StartPage);
190 GET_FUNC(StretchBlt);
191 GET_FUNC(StretchDIBits);
192 GET_FUNC(StrokeAndFillPath);
193 GET_FUNC(StrokePath);
194 GET_FUNC(SwapBuffers);
195 GET_FUNC(UnrealizePalette);
196 GET_FUNC(WidenPath);
197
198 /* OpenGL32 */
199 GET_FUNC(wglCreateContext);
200 GET_FUNC(wglDeleteContext);
201 GET_FUNC(wglGetProcAddress);
202 GET_FUNC(wglGetPbufferDCARB);
203 GET_FUNC(wglMakeContextCurrentARB);
204 GET_FUNC(wglMakeCurrent);
205 GET_FUNC(wglShareLists);
206 GET_FUNC(wglUseFontBitmapsA);
207 GET_FUNC(wglUseFontBitmapsW);
208 #undef GET_FUNC
209 }
210 else memset( &driver->funcs, 0, sizeof(driver->funcs) );
211
212 /* add it to the list */
213 driver->prev = NULL;
214 if ((driver->next = first_driver)) driver->next->prev = driver;
215 first_driver = driver;
216 return driver;
217 }
218
219
220 /**********************************************************************
221 * load_display_driver
222 *
223 * Special case for loading the display driver: get the name from the config file
224 */
225 static struct graphics_driver *load_display_driver(void)
226 {
227 char buffer[MAX_PATH], libname[32], *name, *next;
228 HMODULE module = 0;
229 HKEY hkey;
230
231 if (display_driver) /* already loaded */
232 {
233 display_driver->count++;
234 return display_driver;
235 }
236
237 strcpy( buffer, "x11" ); /* default value */
238 /* @@ Wine registry key: HKCU\Software\Wine\Drivers */
239 if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\Drivers", &hkey ))
240 {
241 DWORD type, count = sizeof(buffer);
242 RegQueryValueExA( hkey, "Graphics", 0, &type, (LPBYTE) buffer, &count );
243 RegCloseKey( hkey );
244 }
245
246 name = buffer;
247 while (name)
248 {
249 next = strchr( name, ',' );
250 if (next) *next++ = 0;
251
252 snprintf( libname, sizeof(libname), "wine%s.drv", name );
253 if ((module = LoadLibraryA( libname )) != 0) break;
254 name = next;
255 }
256
257 if (!(display_driver = create_driver( module )))
258 {
259 MESSAGE( "Could not create graphics driver '%s'\n", buffer );
260 FreeLibrary( module );
261 ExitProcess(1);
262 }
263
264 display_driver->count++; /* we don't want to free it */
265 return display_driver;
266 }
267
268
269 /**********************************************************************
270 * DRIVER_load_driver
271 */
272 const DC_FUNCTIONS *DRIVER_load_driver( LPCWSTR name )
273 {
274 HMODULE module;
275 struct graphics_driver *driver;
276 static const WCHAR displayW[] = { 'd','i','s','p','l','a','y',0 };
277 static const WCHAR display1W[] = {'\\','\\','.','\\','D','I','S','P','L','A','Y','1',0};
278
279 EnterCriticalSection( &driver_section );
280
281 /* display driver is a special case */
282 if (!strcmpiW( name, displayW ) ||
283 !strcmpiW( name, display1W ))
284 {
285 driver = load_display_driver();
286 LeaveCriticalSection( &driver_section );
287 return &driver->funcs;
288 }
289
290 if ((module = GetModuleHandleW( name )))
291 {
292 for (driver = first_driver; driver; driver = driver->next)
293 {
294 if (driver->module == module)
295 {
296 driver->count++;
297 LeaveCriticalSection( &driver_section );
298 return &driver->funcs;
299 }
300 }
301 }
302
303 if (!(module = LoadLibraryW( name )))
304 {
305 LeaveCriticalSection( &driver_section );
306 return NULL;
307 }
308
309 if (!(driver = create_driver( module )))
310 {
311 FreeLibrary( module );
312 LeaveCriticalSection( &driver_section );
313 return NULL;
314 }
315
316 TRACE( "loaded driver %p for %s\n", driver, debugstr_w(name) );
317 LeaveCriticalSection( &driver_section );
318 return &driver->funcs;
319 }
320
321
322 /**********************************************************************
323 * DRIVER_get_driver
324 *
325 * Get a new copy of an existing driver.
326 */
327 const DC_FUNCTIONS *DRIVER_get_driver( const DC_FUNCTIONS *funcs )
328 {
329 struct graphics_driver *driver;
330
331 EnterCriticalSection( &driver_section );
332 for (driver = first_driver; driver; driver = driver->next)
333 if (&driver->funcs == funcs) break;
334 if (!driver) ERR( "driver not found, trouble ahead\n" );
335 driver->count++;
336 LeaveCriticalSection( &driver_section );
337 return funcs;
338 }
339
340
341 /**********************************************************************
342 * DRIVER_release_driver
343 *
344 * Release a driver by decrementing ref count and freeing it if needed.
345 */
346 void DRIVER_release_driver( const DC_FUNCTIONS *funcs )
347 {
348 struct graphics_driver *driver;
349
350 EnterCriticalSection( &driver_section );
351
352 for (driver = first_driver; driver; driver = driver->next)
353 if (&driver->funcs == funcs) break;
354
355 if (!driver) goto done;
356 if (--driver->count) goto done;
357
358 /* removed last reference, free it */
359 if (driver->next) driver->next->prev = driver->prev;
360 if (driver->prev) driver->prev->next = driver->next;
361 else first_driver = driver->next;
362 if (driver == display_driver) display_driver = NULL;
363
364 FreeLibrary( driver->module );
365 HeapFree( GetProcessHeap(), 0, driver );
366 done:
367 LeaveCriticalSection( &driver_section );
368 }
369
370
371 /*****************************************************************************
372 * DRIVER_GetDriverName
373 *
374 */
375 BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size )
376 {
377 static const WCHAR displayW[] = { 'd','i','s','p','l','a','y',0 };
378 static const WCHAR devicesW[] = { 'd','e','v','i','c','e','s',0 };
379 static const WCHAR display1W[] = {'\\','\\','.','\\','D','I','S','P','L','A','Y','1',0};
380 static const WCHAR empty_strW[] = { 0 };
381 WCHAR *p;
382
383 /* display is a special case */
384 if (!strcmpiW( device, displayW ) ||
385 !strcmpiW( device, display1W ))
386 {
387 lstrcpynW( driver, displayW, size );
388 return TRUE;
389 }
390
391 size = GetProfileStringW(devicesW, device, empty_strW, driver, size);
392 if(!size) {
393 WARN("Unable to find %s in [devices] section of win.ini\n", debugstr_w(device));
394 return FALSE;
395 }
396 p = strchrW(driver, ',');
397 if(!p)
398 {
399 WARN("%s entry in [devices] section of win.ini is malformed.\n", debugstr_w(device));
400 return FALSE;
401 }
402 *p = 0;
403 TRACE("Found %s for %s\n", debugstr_w(driver), debugstr_w(device));
404 return TRUE;
405 }
406
407
408 /***********************************************************************
409 * GdiConvertToDevmodeW (GDI32.@)
410 */
411 DEVMODEW * WINAPI GdiConvertToDevmodeW(const DEVMODEA *dmA)
412 {
413 DEVMODEW *dmW;
414 WORD dmW_size;
415
416 dmW_size = dmA->dmSize + CCHDEVICENAME;
417 if (dmA->dmSize >= (const char *)dmA->dmFormName - (const char *)dmA + CCHFORMNAME)
418 dmW_size += CCHFORMNAME;
419
420 dmW = HeapAlloc(GetProcessHeap(), 0, dmW_size + dmA->dmDriverExtra);
421 if (!dmW) return NULL;
422
423 MultiByteToWideChar(CP_ACP, 0, (const char*) dmA->dmDeviceName, CCHDEVICENAME,
424 dmW->dmDeviceName, CCHDEVICENAME);
425 /* copy slightly more, to avoid long computations */
426 memcpy(&dmW->dmSpecVersion, &dmA->dmSpecVersion, dmA->dmSize - CCHDEVICENAME);
427
428 if (dmA->dmSize >= (const char *)dmA->dmFormName - (const char *)dmA + CCHFORMNAME)
429 {
430 MultiByteToWideChar(CP_ACP, 0, (const char*) dmA->dmFormName, CCHFORMNAME,
431 dmW->dmFormName, CCHFORMNAME);
432 if (dmA->dmSize > (const char *)&dmA->dmLogPixels - (const char *)dmA)
433 memcpy(&dmW->dmLogPixels, &dmA->dmLogPixels, dmA->dmSize - ((const char *)&dmA->dmLogPixels - (const char *)dmA));
434 }
435
436 if (dmA->dmDriverExtra)
437 memcpy((char *)dmW + dmW_size, (const char *)dmA + dmA->dmSize, dmA->dmDriverExtra);
438
439 dmW->dmSize = dmW_size;
440
441 return dmW;
442 }
443
444
445 /*****************************************************************************
446 * @ [GDI32.100]
447 *
448 * This should thunk to 16-bit and simply call the proc with the given args.
449 */
450 INT WINAPI GDI_CallDevInstall16( FARPROC16 lpfnDevInstallProc, HWND hWnd,
451 LPSTR lpModelName, LPSTR OldPort, LPSTR NewPort )
452 {
453 FIXME("(%p, %p, %s, %s, %s)\n", lpfnDevInstallProc, hWnd, lpModelName, OldPort, NewPort );
454 return -1;
455 }
456
457 /*****************************************************************************
458 * @ [GDI32.101]
459 *
460 * This should load the correct driver for lpszDevice and calls this driver's
461 * ExtDeviceModePropSheet proc.
462 *
463 * Note: The driver calls a callback routine for each property sheet page; these
464 * pages are supposed to be filled into the structure pointed to by lpPropSheet.
465 * The layout of this structure is:
466 *
467 * struct
468 * {
469 * DWORD nPages;
470 * DWORD unknown;
471 * HPROPSHEETPAGE pages[10];
472 * };
473 */
474 INT WINAPI GDI_CallExtDeviceModePropSheet16( HWND hWnd, LPCSTR lpszDevice,
475 LPCSTR lpszPort, LPVOID lpPropSheet )
476 {
477 FIXME("(%p, %s, %s, %p)\n", hWnd, lpszDevice, lpszPort, lpPropSheet );
478 return -1;
479 }
480
481 /*****************************************************************************
482 * @ [GDI32.102]
483 *
484 * This should load the correct driver for lpszDevice and calls this driver's
485 * ExtDeviceMode proc.
486 *
487 * FIXME: convert ExtDeviceMode to unicode in the driver interface
488 */
489 INT WINAPI GDI_CallExtDeviceMode16( HWND hwnd,
490 LPDEVMODEA lpdmOutput, LPSTR lpszDevice,
491 LPSTR lpszPort, LPDEVMODEA lpdmInput,
492 LPSTR lpszProfile, DWORD fwMode )
493 {
494 WCHAR deviceW[300];
495 WCHAR bufW[300];
496 char buf[300];
497 HDC hdc;
498 DC *dc;
499 INT ret = -1;
500 INT (*pExtDeviceMode)(LPSTR,HWND,LPDEVMODEA,LPSTR,LPSTR,LPDEVMODEA,LPSTR,DWORD);
501
502 TRACE("(%p, %p, %s, %s, %p, %s, %d)\n",
503 hwnd, lpdmOutput, lpszDevice, lpszPort, lpdmInput, lpszProfile, fwMode );
504
505 if (!lpszDevice) return -1;
506 if (!MultiByteToWideChar(CP_ACP, 0, lpszDevice, -1, deviceW, 300)) return -1;
507
508 if(!DRIVER_GetDriverName( deviceW, bufW, 300 )) return -1;
509
510 if (!WideCharToMultiByte(CP_ACP, 0, bufW, -1, buf, 300, NULL, NULL)) return -1;
511
512 if (!(hdc = CreateICA( buf, lpszDevice, lpszPort, NULL ))) return -1;
513
514 if ((dc = DC_GetDCPtr( hdc )))
515 {
516 pExtDeviceMode = dc->funcs->pExtDeviceMode;
517 GDI_ReleaseObj( hdc );
518 if (pExtDeviceMode)
519 ret = pExtDeviceMode(buf, hwnd, lpdmOutput, lpszDevice, lpszPort,
520 lpdmInput, lpszProfile, fwMode);
521 }
522 DeleteDC( hdc );
523 return ret;
524 }
525
526 /****************************************************************************
527 * @ [GDI32.103]
528 *
529 * This should load the correct driver for lpszDevice and calls this driver's
530 * AdvancedSetupDialog proc.
531 */
532 INT WINAPI GDI_CallAdvancedSetupDialog16( HWND hwnd, LPSTR lpszDevice,
533 LPDEVMODEA devin, LPDEVMODEA devout )
534 {
535 TRACE("(%p, %s, %p, %p)\n", hwnd, lpszDevice, devin, devout );
536 return -1;
537 }
538
539 /*****************************************************************************
540 * @ [GDI32.104]
541 *
542 * This should load the correct driver for lpszDevice and calls this driver's
543 * DeviceCapabilities proc.
544 *
545 * FIXME: convert DeviceCapabilities to unicode in the driver interface
546 */
547 DWORD WINAPI GDI_CallDeviceCapabilities16( LPCSTR lpszDevice, LPCSTR lpszPort,
548 WORD fwCapability, LPSTR lpszOutput,
549 LPDEVMODEA lpdm )
550 {
551 WCHAR deviceW[300];
552 WCHAR bufW[300];
553 char buf[300];
554 HDC hdc;
555 DC *dc;
556 INT ret = -1;
557
558 TRACE("(%s, %s, %d, %p, %p)\n", lpszDevice, lpszPort, fwCapability, lpszOutput, lpdm );
559
560 if (!lpszDevice) return -1;
561 if (!MultiByteToWideChar(CP_ACP, 0, lpszDevice, -1, deviceW, 300)) return -1;
562
563 if(!DRIVER_GetDriverName( deviceW, bufW, 300 )) return -1;
564
565 if (!WideCharToMultiByte(CP_ACP, 0, bufW, -1, buf, 300, NULL, NULL)) return -1;
566
567 if (!(hdc = CreateICA( buf, lpszDevice, lpszPort, NULL ))) return -1;
568
569 if ((dc = DC_GetDCPtr( hdc )))
570 {
571 if (dc->funcs->pDeviceCapabilities)
572 ret = dc->funcs->pDeviceCapabilities( buf, lpszDevice, lpszPort,
573 fwCapability, lpszOutput, lpdm );
574 GDI_ReleaseObj( hdc );
575 }
576 DeleteDC( hdc );
577 return ret;
578 }
579
580
581 /************************************************************************
582 * Escape [GDI32.@]
583 */
584 INT WINAPI Escape( HDC hdc, INT escape, INT in_count, LPCSTR in_data, LPVOID out_data )
585 {
586 INT ret;
587 POINT *pt;
588
589 switch (escape)
590 {
591 case ABORTDOC:
592 return AbortDoc( hdc );
593
594 case ENDDOC:
595 return EndDoc( hdc );
596
597 case GETPHYSPAGESIZE:
598 pt = out_data;
599 pt->x = GetDeviceCaps( hdc, PHYSICALWIDTH );
600 pt->y = GetDeviceCaps( hdc, PHYSICALHEIGHT );
601 return 1;
602
603 case GETPRINTINGOFFSET:
604 pt = out_data;
605 pt->x = GetDeviceCaps( hdc, PHYSICALOFFSETX );
606 pt->y = GetDeviceCaps( hdc, PHYSICALOFFSETY );
607 return 1;
608
609 case GETSCALINGFACTOR:
610 pt = out_data;
611 pt->x = GetDeviceCaps( hdc, SCALINGFACTORX );
612 pt->y = GetDeviceCaps( hdc, SCALINGFACTORY );
613 return 1;
614
615 case NEWFRAME:
616 return EndPage( hdc );
617
618 case SETABORTPROC:
619 return SetAbortProc( hdc, (ABORTPROC)in_data );
620
621 case STARTDOC:
622 {
623 DOCINFOA doc;
624 char *name = NULL;
625
626 /* in_data may not be 0 terminated so we must copy it */
627 if (in_data)
628 {
629 name = HeapAlloc( GetProcessHeap(), 0, in_count+1 );
630 memcpy( name, in_data, in_count );
631 name[in_count] = 0;
632 }
633 /* out_data is actually a pointer to the DocInfo structure and used as
634 * a second input parameter */
635 if (out_data) doc = *(DOCINFOA *)out_data;
636 else
637 {
638 doc.cbSize = sizeof(doc);
639 doc.lpszOutput = NULL;
640 doc.lpszDatatype = NULL;
641 doc.fwType = 0;
642 }
643 doc.lpszDocName = name;
644 ret = StartDocA( hdc, &doc );
645 HeapFree( GetProcessHeap(), 0, name );
646 if (ret > 0) ret = StartPage( hdc );
647 return ret;
648 }
649
650 case QUERYESCSUPPORT:
651 {
652 const INT *ptr = (const INT *)in_data;
653 if (in_count < sizeof(INT)) return 0;
654 switch(*ptr)
655 {
656 case ABORTDOC:
657 case ENDDOC:
658 case GETPHYSPAGESIZE:
659 case GETPRINTINGOFFSET:
660 case GETSCALINGFACTOR:
661 case NEWFRAME:
662 case QUERYESCSUPPORT:
663 case SETABORTPROC:
664 case STARTDOC:
665 return TRUE;
666 }
667 break;
668 }
669 }
670
671 /* if not handled internally, pass it to the driver */
672 return ExtEscape( hdc, escape, in_count, in_data, 0, out_data );
673 }
674
675
676 /******************************************************************************
677 * ExtEscape [GDI32.@]
678 *
679 * Access capabilities of a particular device that are not available through GDI.
680 *
681 * PARAMS
682 * hdc [I] Handle to device context
683 * nEscape [I] Escape function
684 * cbInput [I] Number of bytes in input structure
685 * lpszInData [I] Pointer to input structure
686 * cbOutput [I] Number of bytes in output structure
687 * lpszOutData [O] Pointer to output structure
688 *
689 * RETURNS
690 * Success: >0
691 * Not implemented: 0
692 * Failure: <0
693 */
694 INT WINAPI ExtEscape( HDC hdc, INT nEscape, INT cbInput, LPCSTR lpszInData,
695 INT cbOutput, LPSTR lpszOutData )
696 {
697 INT ret = 0;
698 DC * dc = DC_GetDCPtr( hdc );
699 if (dc)
700 {
701 if (dc->funcs->pExtEscape)
702 ret = dc->funcs->pExtEscape( dc->physDev, nEscape, cbInput, lpszInData, cbOutput, lpszOutData );
703 GDI_ReleaseObj( hdc );
704 }
705 return ret;
706 }
707
708
709 /*******************************************************************
710 * DrawEscape [GDI32.@]
711 *
712 *
713 */
714 INT WINAPI DrawEscape(HDC hdc, INT nEscape, INT cbInput, LPCSTR lpszInData)
715 {
716 FIXME("DrawEscape, stub\n");
717 return 0;
718 }
Windows API implementation