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Release 20050930.
[wine/gsoc-2012-control.git] / dlls / gdi / driver.c
blob84664ec37c2e541aa517cd7cf887153b3c1344b9
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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.h"
33 #include "gdi_private.h"
34 #include "wine/unicode.h"
35 #include "wine/debug.h"
36
37 WINE_DEFAULT_DEBUG_CHANNEL(driver);
38
39 struct graphics_driver
40 {
41 struct graphics_driver *next;
42 struct graphics_driver *prev;
43 HMODULE module; /* module handle */
44 unsigned int count; /* reference count */
45 DC_FUNCTIONS funcs;
46 };
47
48 static struct graphics_driver *first_driver;
49 static struct graphics_driver *display_driver;
50
51 static CRITICAL_SECTION driver_section;
52 static CRITICAL_SECTION_DEBUG critsect_debug =
53 {
54 0, 0, &driver_section,
55 { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
56 0, 0, { (DWORD_PTR)(__FILE__ ": driver_section") }
57 };
58 static CRITICAL_SECTION driver_section = { &critsect_debug, -1, 0, 0, 0, 0 };
59
60 /**********************************************************************
61 * create_driver
62 *
63 * Allocate and fill the driver structure for a given module.
64 */
65 static struct graphics_driver *create_driver( HMODULE module )
66 {
67 struct graphics_driver *driver;
68
69 if (!(driver = HeapAlloc( GetProcessHeap(), 0, sizeof(*driver)))) return NULL;
70 driver->next = NULL;
71 driver->prev = NULL;
72 driver->module = module;
73 driver->count = 1;
74
75 /* fill the function table */
76
77 #define GET_FUNC(name) driver->funcs.p##name = (void*)GetProcAddress( module, #name )
78
79 GET_FUNC(AbortDoc);
80 GET_FUNC(AbortPath);
81 GET_FUNC(AlphaBlend);
82 GET_FUNC(AngleArc);
83 GET_FUNC(Arc);
84 GET_FUNC(ArcTo);
85 GET_FUNC(BeginPath);
86 GET_FUNC(BitBlt);
87 GET_FUNC(ChoosePixelFormat);
88 GET_FUNC(Chord);
89 GET_FUNC(CloseFigure);
90 GET_FUNC(CreateBitmap);
91 GET_FUNC(CreateDC);
92 GET_FUNC(CreateDIBSection);
93 GET_FUNC(DeleteBitmap);
94 GET_FUNC(DeleteDC);
95 GET_FUNC(DescribePixelFormat);
96 GET_FUNC(DeviceCapabilities);
97 GET_FUNC(Ellipse);
98 GET_FUNC(EndDoc);
99 GET_FUNC(EndPage);
100 GET_FUNC(EndPath);
101 GET_FUNC(EnumDeviceFonts);
102 GET_FUNC(ExcludeClipRect);
103 GET_FUNC(ExtDeviceMode);
104 GET_FUNC(ExtEscape);
105 GET_FUNC(ExtFloodFill);
106 GET_FUNC(ExtSelectClipRgn);
107 GET_FUNC(ExtTextOut);
108 GET_FUNC(FillPath);
109 GET_FUNC(FillRgn);
110 GET_FUNC(FlattenPath);
111 GET_FUNC(FrameRgn);
112 GET_FUNC(GdiComment);
113 GET_FUNC(GetBitmapBits);
114 GET_FUNC(GetCharWidth);
115 GET_FUNC(GetDCOrgEx);
116 GET_FUNC(GetDIBColorTable);
117 GET_FUNC(GetDIBits);
118 GET_FUNC(GetDeviceCaps);
119 GET_FUNC(GetDeviceGammaRamp);
120 GET_FUNC(GetNearestColor);
121 GET_FUNC(GetPixel);
122 GET_FUNC(GetPixelFormat);
123 GET_FUNC(GetSystemPaletteEntries);
124 GET_FUNC(GetTextExtentPoint);
125 GET_FUNC(GetTextMetrics);
126 GET_FUNC(IntersectClipRect);
127 GET_FUNC(InvertRgn);
128 GET_FUNC(LineTo);
129 GET_FUNC(MoveTo);
130 GET_FUNC(ModifyWorldTransform);
131 GET_FUNC(OffsetClipRgn);
132 GET_FUNC(OffsetViewportOrg);
133 GET_FUNC(OffsetWindowOrg);
134 GET_FUNC(PaintRgn);
135 GET_FUNC(PatBlt);
136 GET_FUNC(Pie);
137 GET_FUNC(PolyBezier);
138 GET_FUNC(PolyBezierTo);
139 GET_FUNC(PolyDraw);
140 GET_FUNC(PolyPolygon);
141 GET_FUNC(PolyPolyline);
142 GET_FUNC(Polygon);
143 GET_FUNC(Polyline);
144 GET_FUNC(PolylineTo);
145 GET_FUNC(RealizeDefaultPalette);
146 GET_FUNC(RealizePalette);
147 GET_FUNC(Rectangle);
148 GET_FUNC(ResetDC);
149 GET_FUNC(RestoreDC);
150 GET_FUNC(RoundRect);
151 GET_FUNC(SaveDC);
152 GET_FUNC(ScaleViewportExt);
153 GET_FUNC(ScaleWindowExt);
154 GET_FUNC(SelectBitmap);
155 GET_FUNC(SelectBrush);
156 GET_FUNC(SelectClipPath);
157 GET_FUNC(SelectFont);
158 GET_FUNC(SelectPalette);
159 GET_FUNC(SelectPen);
160 GET_FUNC(SetArcDirection);
161 GET_FUNC(SetBitmapBits);
162 GET_FUNC(SetBkColor);
163 GET_FUNC(SetBkMode);
164 GET_FUNC(SetDCBrushColor);
165 GET_FUNC(SetDCOrg);
166 GET_FUNC(SetDCPenColor);
167 GET_FUNC(SetDIBColorTable);
168 GET_FUNC(SetDIBits);
169 GET_FUNC(SetDIBitsToDevice);
170 GET_FUNC(SetDeviceClipping);
171 GET_FUNC(SetDeviceGammaRamp);
172 GET_FUNC(SetMapMode);
173 GET_FUNC(SetMapperFlags);
174 GET_FUNC(SetPixel);
175 GET_FUNC(SetPixelFormat);
176 GET_FUNC(SetPolyFillMode);
177 GET_FUNC(SetROP2);
178 GET_FUNC(SetRelAbs);
179 GET_FUNC(SetStretchBltMode);
180 GET_FUNC(SetTextAlign);
181 GET_FUNC(SetTextCharacterExtra);
182 GET_FUNC(SetTextColor);
183 GET_FUNC(SetTextJustification);
184 GET_FUNC(SetViewportExt);
185 GET_FUNC(SetViewportOrg);
186 GET_FUNC(SetWindowExt);
187 GET_FUNC(SetWindowOrg);
188 GET_FUNC(SetWorldTransform);
189 GET_FUNC(StartDoc);
190 GET_FUNC(StartPage);
191 GET_FUNC(StretchBlt);
192 GET_FUNC(StretchDIBits);
193 GET_FUNC(StrokeAndFillPath);
194 GET_FUNC(StrokePath);
195 GET_FUNC(SwapBuffers);
196 GET_FUNC(WidenPath);
197 #undef GET_FUNC
198
199 /* add it to the list */
200 driver->prev = NULL;
201 if ((driver->next = first_driver)) driver->next->prev = driver;
202 first_driver = driver;
203 return driver;
204 }
205
206
207 /**********************************************************************
208 * load_display_driver
209 *
210 * Special case for loading the display driver: get the name from the config file
211 */
212 static struct graphics_driver *load_display_driver(void)
213 {
214 char buffer[MAX_PATH], libname[32], *name, *next;
215 HMODULE module = 0;
216 HKEY hkey;
217
218 if (display_driver) /* already loaded */
219 {
220 display_driver->count++;
221 return display_driver;
222 }
223
224 strcpy( buffer, "x11,tty" ); /* default value */
225 /* @@ Wine registry key: HKCU\Software\Wine\Drivers */
226 if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\Drivers", &hkey ))
227 {
228 DWORD type, count = sizeof(buffer);
229 RegQueryValueExA( hkey, "Graphics", 0, &type, (LPBYTE) buffer, &count );
230 RegCloseKey( hkey );
231 }
232
233 name = buffer;
234 while (name)
235 {
236 next = strchr( name, ',' );
237 if (next) *next++ = 0;
238
239 snprintf( libname, sizeof(libname), "wine%s.drv", name );
240 if ((module = LoadLibraryA( libname )) != 0) break;
241 name = next;
242 }
243 if (!module)
244 {
245 MESSAGE( "wine: Could not load graphics driver '%s'.\n", buffer );
246 if (!strcasecmp( buffer, "x11" ))
247 MESSAGE( "Make sure that your X server is running and that $DISPLAY is set correctly.\n" );
248 ExitProcess(1);
249 }
250
251 if (!(display_driver = create_driver( module )))
252 {
253 MESSAGE( "Could not create graphics driver '%s'\n", buffer );
254 FreeLibrary( module );
255 ExitProcess(1);
256 }
257
258 display_driver->count++; /* we don't want to free it */
259 return display_driver;
260 }
261
262
263 /**********************************************************************
264 * DRIVER_load_driver
265 */
266 const DC_FUNCTIONS *DRIVER_load_driver( LPCWSTR name )
267 {
268 HMODULE module;
269 struct graphics_driver *driver;
270 static const WCHAR displayW[] = { 'd','i','s','p','l','a','y',0 };
271
272 EnterCriticalSection( &driver_section );
273
274 /* display driver is a special case */
275 if (!strcmpiW( name, displayW ))
276 {
277 driver = load_display_driver();
278 LeaveCriticalSection( &driver_section );
279 return &driver->funcs;
280 }
281
282 if ((module = GetModuleHandleW( name )))
283 {
284 for (driver = first_driver; driver; driver = driver->next)
285 {
286 if (driver->module == module)
287 {
288 driver->count++;
289 LeaveCriticalSection( &driver_section );
290 return &driver->funcs;
291 }
292 }
293 }
294
295 if (!(module = LoadLibraryW( name )))
296 {
297 LeaveCriticalSection( &driver_section );
298 return NULL;
299 }
300
301 if (!(driver = create_driver( module )))
302 {
303 FreeLibrary( module );
304 LeaveCriticalSection( &driver_section );
305 return NULL;
306 }
307
308 TRACE( "loaded driver %p for %s\n", driver, debugstr_w(name) );
309 LeaveCriticalSection( &driver_section );
310 return &driver->funcs;
311 }
312
313
314 /**********************************************************************
315 * DRIVER_get_driver
316 *
317 * Get a new copy of an existing driver.
318 */
319 const DC_FUNCTIONS *DRIVER_get_driver( const DC_FUNCTIONS *funcs )
320 {
321 struct graphics_driver *driver;
322
323 EnterCriticalSection( &driver_section );
324 for (driver = first_driver; driver; driver = driver->next)
325 if (&driver->funcs == funcs) break;
326 if (!driver) ERR( "driver not found, trouble ahead\n" );
327 driver->count++;
328 LeaveCriticalSection( &driver_section );
329 return funcs;
330 }
331
332
333 /**********************************************************************
334 * DRIVER_release_driver
335 *
336 * Release a driver by decrementing ref count and freeing it if needed.
337 */
338 void DRIVER_release_driver( const DC_FUNCTIONS *funcs )
339 {
340 struct graphics_driver *driver;
341
342 EnterCriticalSection( &driver_section );
343
344 for (driver = first_driver; driver; driver = driver->next)
345 if (&driver->funcs == funcs) break;
346
347 if (!driver) goto done;
348 if (--driver->count) goto done;
349
350 /* removed last reference, free it */
351 if (driver->next) driver->next->prev = driver->prev;
352 if (driver->prev) driver->prev->next = driver->next;
353 else first_driver = driver->next;
354 if (driver == display_driver) display_driver = NULL;
355
356 FreeLibrary( driver->module );
357 HeapFree( GetProcessHeap(), 0, driver );
358 done:
359 LeaveCriticalSection( &driver_section );
360 }
361
362
363 /*****************************************************************************
364 * DRIVER_GetDriverName
365 *
366 */
367 BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size )
368 {
369 static const WCHAR displayW[] = { 'd','i','s','p','l','a','y',0 };
370 static const WCHAR devicesW[] = { 'd','e','v','i','c','e','s',0 };
371 static const WCHAR empty_strW[] = { 0 };
372 WCHAR *p;
373
374 /* display is a special case */
375 if (!strcmpiW( device, displayW ))
376 {
377 lstrcpynW( driver, displayW, size );
378 return TRUE;
379 }
380
381 size = GetProfileStringW(devicesW, device, empty_strW, driver, size);
382 if(!size) {
383 WARN("Unable to find %s in [devices] section of win.ini\n", debugstr_w(device));
384 return FALSE;
385 }
386 p = strchrW(driver, ',');
387 if(!p)
388 {
389 WARN("%s entry in [devices] section of win.ini is malformed.\n", debugstr_w(device));
390 return FALSE;
391 }
392 *p = 0;
393 TRACE("Found %s for %s\n", debugstr_w(driver), debugstr_w(device));
394 return TRUE;
395 }
396
397
398 /***********************************************************************
399 * GdiConvertToDevmodeW (GDI32.@)
400 */
401 DEVMODEW * WINAPI GdiConvertToDevmodeW(const DEVMODEA *dmA)
402 {
403 DEVMODEW *dmW;
404 WORD dmW_size;
405
406 dmW_size = dmA->dmSize + CCHDEVICENAME;
407 if (dmA->dmSize >= (const char *)dmA->dmFormName - (const char *)dmA + CCHFORMNAME)
408 dmW_size += CCHFORMNAME;
409
410 dmW = HeapAlloc(GetProcessHeap(), 0, dmW_size + dmA->dmDriverExtra);
411 if (!dmW) return NULL;
412
413 MultiByteToWideChar(CP_ACP, 0, (const char*) dmA->dmDeviceName, CCHDEVICENAME,
414 dmW->dmDeviceName, CCHDEVICENAME);
415 /* copy slightly more, to avoid long computations */
416 memcpy(&dmW->dmSpecVersion, &dmA->dmSpecVersion, dmA->dmSize - CCHDEVICENAME);
417
418 if (dmA->dmSize >= (const char *)dmA->dmFormName - (const char *)dmA + CCHFORMNAME)
419 {
420 MultiByteToWideChar(CP_ACP, 0, (const char*) dmA->dmFormName, CCHFORMNAME,
421 dmW->dmFormName, CCHFORMNAME);
422 if (dmA->dmSize > (const char *)&dmA->dmLogPixels - (const char *)dmA)
423 memcpy(&dmW->dmLogPixels, &dmA->dmLogPixels, dmA->dmSize - ((const char *)&dmA->dmLogPixels - (const char *)dmA));
424 }
425
426 if (dmA->dmDriverExtra)
427 memcpy((char *)dmW + dmW_size, (const char *)dmA + dmA->dmSize, dmA->dmDriverExtra);
428
429 dmW->dmSize = dmW_size;
430
431 return dmW;
432 }
433
434
435 /*****************************************************************************
436 * @ [GDI32.100]
437 *
438 * This should thunk to 16-bit and simply call the proc with the given args.
439 */
440 INT WINAPI GDI_CallDevInstall16( FARPROC16 lpfnDevInstallProc, HWND hWnd,
441 LPSTR lpModelName, LPSTR OldPort, LPSTR NewPort )
442 {
443 FIXME("(%p, %p, %s, %s, %s)\n", lpfnDevInstallProc, hWnd, lpModelName, OldPort, NewPort );
444 return -1;
445 }
446
447 /*****************************************************************************
448 * @ [GDI32.101]
449 *
450 * This should load the correct driver for lpszDevice and calls this driver's
451 * ExtDeviceModePropSheet proc.
452 *
453 * Note: The driver calls a callback routine for each property sheet page; these
454 * pages are supposed to be filled into the structure pointed to by lpPropSheet.
455 * The layout of this structure is:
456 *
457 * struct
458 * {
459 * DWORD nPages;
460 * DWORD unknown;
461 * HPROPSHEETPAGE pages[10];
462 * };
463 */
464 INT WINAPI GDI_CallExtDeviceModePropSheet16( HWND hWnd, LPCSTR lpszDevice,
465 LPCSTR lpszPort, LPVOID lpPropSheet )
466 {
467 FIXME("(%p, %s, %s, %p)\n", hWnd, lpszDevice, lpszPort, lpPropSheet );
468 return -1;
469 }
470
471 /*****************************************************************************
472 * @ [GDI32.102]
473 *
474 * This should load the correct driver for lpszDevice and calls this driver's
475 * ExtDeviceMode proc.
476 *
477 * FIXME: convert ExtDeviceMode to unicode in the driver interface
478 */
479 INT WINAPI GDI_CallExtDeviceMode16( HWND hwnd,
480 LPDEVMODEA lpdmOutput, LPSTR lpszDevice,
481 LPSTR lpszPort, LPDEVMODEA lpdmInput,
482 LPSTR lpszProfile, DWORD fwMode )
483 {
484 WCHAR deviceW[300];
485 WCHAR bufW[300];
486 char buf[300];
487 HDC hdc;
488 DC *dc;
489 INT ret = -1;
490 INT (*pExtDeviceMode)(LPSTR,HWND,LPDEVMODEA,LPSTR,LPSTR,LPDEVMODEA,LPSTR,DWORD);
491
492 TRACE("(%p, %p, %s, %s, %p, %s, %ld)\n",
493 hwnd, lpdmOutput, lpszDevice, lpszPort, lpdmInput, lpszProfile, fwMode );
494
495 if (!lpszDevice) return -1;
496 if (!MultiByteToWideChar(CP_ACP, 0, lpszDevice, -1, deviceW, 300)) return -1;
497
498 if(!DRIVER_GetDriverName( deviceW, bufW, 300 )) return -1;
499
500 if (!WideCharToMultiByte(CP_ACP, 0, bufW, -1, buf, 300, NULL, NULL)) return -1;
501
502 if (!(hdc = CreateICA( buf, lpszDevice, lpszPort, NULL ))) return -1;
503
504 if ((dc = DC_GetDCPtr( hdc )))
505 {
506 pExtDeviceMode = dc->funcs->pExtDeviceMode;
507 GDI_ReleaseObj( hdc );
508 if (pExtDeviceMode)
509 ret = pExtDeviceMode(buf, hwnd, lpdmOutput, lpszDevice, lpszPort,
510 lpdmInput, lpszProfile, fwMode);
511 }
512 DeleteDC( hdc );
513 return ret;
514 }
515
516 /****************************************************************************
517 * @ [GDI32.103]
518 *
519 * This should load the correct driver for lpszDevice and calls this driver's
520 * AdvancedSetupDialog proc.
521 */
522 INT WINAPI GDI_CallAdvancedSetupDialog16( HWND hwnd, LPSTR lpszDevice,
523 LPDEVMODEA devin, LPDEVMODEA devout )
524 {
525 TRACE("(%p, %s, %p, %p)\n", hwnd, lpszDevice, devin, devout );
526 return -1;
527 }
528
529 /*****************************************************************************
530 * @ [GDI32.104]
531 *
532 * This should load the correct driver for lpszDevice and calls this driver's
533 * DeviceCapabilities proc.
534 *
535 * FIXME: convert DeviceCapabilities to unicode in the driver interface
536 */
537 DWORD WINAPI GDI_CallDeviceCapabilities16( LPCSTR lpszDevice, LPCSTR lpszPort,
538 WORD fwCapability, LPSTR lpszOutput,
539 LPDEVMODEA lpdm )
540 {
541 WCHAR deviceW[300];
542 WCHAR bufW[300];
543 char buf[300];
544 HDC hdc;
545 DC *dc;
546 INT ret = -1;
547
548 TRACE("(%s, %s, %d, %p, %p)\n", lpszDevice, lpszPort, fwCapability, lpszOutput, lpdm );
549
550 if (!lpszDevice) return -1;
551 if (!MultiByteToWideChar(CP_ACP, 0, lpszDevice, -1, deviceW, 300)) return -1;
552
553 if(!DRIVER_GetDriverName( deviceW, bufW, 300 )) return -1;
554
555 if (!WideCharToMultiByte(CP_ACP, 0, bufW, -1, buf, 300, NULL, NULL)) return -1;
556
557 if (!(hdc = CreateICA( buf, lpszDevice, lpszPort, NULL ))) return -1;
558
559 if ((dc = DC_GetDCPtr( hdc )))
560 {
561 if (dc->funcs->pDeviceCapabilities)
562 ret = dc->funcs->pDeviceCapabilities( buf, lpszDevice, lpszPort,
563 fwCapability, lpszOutput, lpdm );
564 GDI_ReleaseObj( hdc );
565 }
566 DeleteDC( hdc );
567 return ret;
568 }
569
570
571 /************************************************************************
572 * Escape [GDI32.@]
573 */
574 INT WINAPI Escape( HDC hdc, INT escape, INT in_count, LPCSTR in_data, LPVOID out_data )
575 {
576 INT ret;
577 POINT *pt;
578
579 switch (escape)
580 {
581 case ABORTDOC:
582 return AbortDoc( hdc );
583
584 case ENDDOC:
585 return EndDoc( hdc );
586
587 case GETPHYSPAGESIZE:
588 pt = out_data;
589 pt->x = GetDeviceCaps( hdc, PHYSICALWIDTH );
590 pt->y = GetDeviceCaps( hdc, PHYSICALHEIGHT );
591 return 1;
592
593 case GETPRINTINGOFFSET:
594 pt = out_data;
595 pt->x = GetDeviceCaps( hdc, PHYSICALOFFSETX );
596 pt->y = GetDeviceCaps( hdc, PHYSICALOFFSETY );
597 return 1;
598
599 case GETSCALINGFACTOR:
600 pt = out_data;
601 pt->x = GetDeviceCaps( hdc, SCALINGFACTORX );
602 pt->y = GetDeviceCaps( hdc, SCALINGFACTORY );
603 return 1;
604
605 case NEWFRAME:
606 return EndPage( hdc );
607
608 case SETABORTPROC:
609 return SetAbortProc( hdc, (ABORTPROC)in_data );
610
611 case STARTDOC:
612 {
613 DOCINFOA doc;
614 char *name = NULL;
615
616 /* in_data may not be 0 terminated so we must copy it */
617 if (in_data)
618 {
619 name = HeapAlloc( GetProcessHeap(), 0, in_count+1 );
620 memcpy( name, in_data, in_count );
621 name[in_count] = 0;
622 }
623 /* out_data is actually a pointer to the DocInfo structure and used as
624 * a second input parameter */
625 if (out_data) doc = *(DOCINFOA *)out_data;
626 else
627 {
628 doc.cbSize = sizeof(doc);
629 doc.lpszOutput = NULL;
630 doc.lpszDatatype = NULL;
631 doc.fwType = 0;
632 }
633 doc.lpszDocName = name;
634 ret = StartDocA( hdc, &doc );
635 HeapFree( GetProcessHeap(), 0, name );
636 if (ret > 0) ret = StartPage( hdc );
637 return ret;
638 }
639
640 case QUERYESCSUPPORT:
641 {
642 const INT *ptr = (const INT *)in_data;
643 if (in_count < sizeof(INT)) return 0;
644 switch(*ptr)
645 {
646 case ABORTDOC:
647 case ENDDOC:
648 case GETPHYSPAGESIZE:
649 case GETPRINTINGOFFSET:
650 case GETSCALINGFACTOR:
651 case NEWFRAME:
652 case QUERYESCSUPPORT:
653 case SETABORTPROC:
654 case STARTDOC:
655 return TRUE;
656 }
657 break;
658 }
659 }
660
661 /* if not handled internally, pass it to the driver */
662 return ExtEscape( hdc, escape, in_count, in_data, 0, out_data );
663 }
664
665
666 /******************************************************************************
667 * ExtEscape [GDI32.@]
668 *
669 * PARAMS
670 * hdc [I] Handle to device context
671 * nEscape [I] Escape function
672 * cbInput [I] Number of bytes in input structure
673 * lpszInData [I] Pointer to input structure
674 * cbOutput [I] Number of bytes in output structure
675 * lpszOutData [O] Pointer to output structure
676 *
677 * RETURNS
678 * Success: >0
679 * Not implemented: 0
680 * Failure: <0
681 */
682 INT WINAPI ExtEscape( HDC hdc, INT nEscape, INT cbInput, LPCSTR lpszInData,
683 INT cbOutput, LPSTR lpszOutData )
684 {
685 INT ret = 0;
686 DC * dc = DC_GetDCPtr( hdc );
687 if (dc)
688 {
689 if (dc->funcs->pExtEscape)
690 ret = dc->funcs->pExtEscape( dc->physDev, nEscape, cbInput, lpszInData, cbOutput, lpszOutData );
691 GDI_ReleaseObj( hdc );
692 }
693 return ret;
694 }
695
696
697 /*******************************************************************
698 * DrawEscape [GDI32.@]
699 *
700 *
701 */
702 INT WINAPI DrawEscape(HDC hdc, INT nEscape, INT cbInput, LPCSTR lpszInData)
703 {
704 FIXME("DrawEscape, stub\n");
705 return 0;
706 }
GSOC 2012 project to enhance the control panel