dlls/gdi32/driver.c

   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 <assert.h>
  26 #include <stdarg.h>
  27 #include <string.h>
  28 #include <stdio.h>
  29 #include "windef.h"
  30 #include "winbase.h"
  31 #include "winreg.h"
  32 #include "ddrawgdi.h"
  33 #include "wine/winbase16.h"
  34
  35 #include "gdi_private.h"
  36 #include "wine/unicode.h"
  37 #include "wine/list.h"
  38 #include "wine/debug.h"
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(driver);
  41
  42 struct graphics_driver
  43 {
  44     struct list                entry;
  45     HMODULE                    module;  /* module handle */
  46     const struct gdi_dc_funcs *funcs;
  47 };
  48
  49 static struct list drivers = LIST_INIT( drivers );
  50 static struct graphics_driver *display_driver;
  51
  52 const struct gdi_dc_funcs *font_driver = NULL;
  53
  54 static CRITICAL_SECTION driver_section;
  55 static CRITICAL_SECTION_DEBUG critsect_debug =
  56 {
  57     0, 0, &driver_section,
  58     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
  59       0, 0, { (DWORD_PTR)(__FILE__ ": driver_section") }
  60 };
  61 static CRITICAL_SECTION driver_section = { &critsect_debug, -1, 0, 0, 0, 0 };
  62
  63 /**********************************************************************
  64  *           create_driver
  65  *
  66  * Allocate and fill the driver structure for a given module.
  67  */
  68 static struct graphics_driver *create_driver( HMODULE module )
  69 {
  70     static const struct gdi_dc_funcs empty_funcs;
  71     const struct gdi_dc_funcs *funcs = NULL;
  72     struct graphics_driver *driver;
  73
  74     if (!(driver = HeapAlloc( GetProcessHeap(), 0, sizeof(*driver)))) return NULL;
  75     driver->module = module;
  76
  77     if (module)
  78     {
  79         const struct gdi_dc_funcs * (CDECL *wine_get_gdi_driver)( unsigned int version );
  80
  81         if ((wine_get_gdi_driver = (void *)GetProcAddress( module, "wine_get_gdi_driver" )))
  82             funcs = wine_get_gdi_driver( WINE_GDI_DRIVER_VERSION );
  83     }
  84     if (!funcs) funcs = &empty_funcs;
  85     driver->funcs = funcs;
  86     return driver;
  87 }
  88
  89
  90 /**********************************************************************
  91  *           get_display_driver
  92  *
  93  * Special case for loading the display driver: get the name from the config file
  94  */
  95 static const struct gdi_dc_funcs *get_display_driver(void)
  96 {
  97     struct graphics_driver *driver;
  98     char buffer[MAX_PATH], libname[32], *name, *next;
  99     HMODULE module = 0;
 100     HKEY hkey;
 101
 102     if (display_driver) return display_driver->funcs;  /* already loaded */
 103
 104     strcpy( buffer, "x11" );  /* default value */
 105     /* @@ Wine registry key: HKCU\Software\Wine\Drivers */
 106     if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\Drivers", &hkey ))
 107     {
 108         DWORD type, count = sizeof(buffer);
 109         RegQueryValueExA( hkey, "Graphics", 0, &type, (LPBYTE) buffer, &count );
 110         RegCloseKey( hkey );
 111     }
 112
 113     name = buffer;
 114     while (name)
 115     {
 116         next = strchr( name, ',' );
 117         if (next) *next++ = 0;
 118
 119         snprintf( libname, sizeof(libname), "wine%s.drv", name );
 120         if ((module = LoadLibraryA( libname )) != 0) break;
 121         name = next;
 122     }
 123
 124     if (!(driver = create_driver( module )))
 125     {
 126         MESSAGE( "Could not create graphics driver '%s'\n", buffer );
 127         FreeLibrary( module );
 128         ExitProcess(1);
 129     }
 130     if (InterlockedCompareExchangePointer( (void **)&display_driver, driver, NULL ))
 131     {
 132         /* somebody beat us to it */
 133         FreeLibrary( driver->module );
 134         HeapFree( GetProcessHeap(), 0, driver );
 135     }
 136     return display_driver->funcs;
 137 }
 138
 139
 140 /**********************************************************************
 141  *           DRIVER_load_driver
 142  */
 143 const struct gdi_dc_funcs *DRIVER_load_driver( LPCWSTR name )
 144 {
 145     HMODULE module;
 146     struct graphics_driver *driver, *new_driver;
 147     static const WCHAR displayW[] = { 'd','i','s','p','l','a','y',0 };
 148     static const WCHAR display1W[] = {'\\','\\','.','\\','D','I','S','P','L','A','Y','1',0};
 149
 150     /* display driver is a special case */
 151     if (!strcmpiW( name, displayW ) || !strcmpiW( name, display1W )) return get_display_driver();
 152
 153     if ((module = GetModuleHandleW( name )))
 154     {
 155         if (display_driver && display_driver->module == module) return display_driver->funcs;
 156         EnterCriticalSection( &driver_section );
 157         LIST_FOR_EACH_ENTRY( driver, &drivers, struct graphics_driver, entry )
 158         {
 159             if (driver->module == module) goto done;
 160         }
 161         LeaveCriticalSection( &driver_section );
 162     }
 163
 164     if (!(module = LoadLibraryW( name ))) return NULL;
 165
 166     if (!(new_driver = create_driver( module )))
 167     {
 168         FreeLibrary( module );
 169         return NULL;
 170     }
 171
 172     /* check if someone else added it in the meantime */
 173     EnterCriticalSection( &driver_section );
 174     LIST_FOR_EACH_ENTRY( driver, &drivers, struct graphics_driver, entry )
 175     {
 176         if (driver->module != module) continue;
 177         FreeLibrary( module );
 178         HeapFree( GetProcessHeap(), 0, new_driver );
 179         goto done;
 180     }
 181     driver = new_driver;
 182     list_add_head( &drivers, &driver->entry );
 183     TRACE( "loaded driver %p for %s\n", driver, debugstr_w(name) );
 184 done:
 185     LeaveCriticalSection( &driver_section );
 186     return driver->funcs;
 187 }
 188
 189
 190 static INT nulldrv_AbortDoc( PHYSDEV dev )
 191 {
 192     return 0;
 193 }
 194
 195 static BOOL nulldrv_Arc( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
 196                          INT xstart, INT ystart, INT xend, INT yend )
 197 {
 198     return TRUE;
 199 }
 200
 201 static INT nulldrv_ChoosePixelFormat( PHYSDEV dev, const PIXELFORMATDESCRIPTOR *descr )
 202 {
 203     return 0;
 204 }
 205
 206 static BOOL nulldrv_Chord( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
 207                            INT xstart, INT ystart, INT xend, INT yend )
 208 {
 209     return TRUE;
 210 }
 211
 212 static BOOL nulldrv_CreateCompatibleDC( PHYSDEV orig, PHYSDEV *pdev )
 213 {
 214     if (!display_driver || !display_driver->funcs->pCreateCompatibleDC) return TRUE;
 215     return display_driver->funcs->pCreateCompatibleDC( NULL, pdev );
 216 }
 217
 218 static BOOL nulldrv_CreateDC( PHYSDEV *dev, LPCWSTR driver, LPCWSTR device,
 219                               LPCWSTR output, const DEVMODEW *devmode )
 220 {
 221     assert(0);  /* should never be called */
 222     return FALSE;
 223 }
 224
 225 static BOOL nulldrv_DeleteDC( PHYSDEV dev )
 226 {
 227     assert(0);  /* should never be called */
 228     return TRUE;
 229 }
 230
 231 static BOOL nulldrv_DeleteObject( PHYSDEV dev, HGDIOBJ obj )
 232 {
 233     return TRUE;
 234 }
 235
 236 static INT nulldrv_DescribePixelFormat( PHYSDEV dev, INT format, UINT size, PIXELFORMATDESCRIPTOR * descr )
 237 {
 238     return 0;
 239 }
 240
 241 static DWORD nulldrv_DeviceCapabilities( LPSTR buffer, LPCSTR device, LPCSTR port,
 242                                          WORD cap, LPSTR output, DEVMODEA *devmode )
 243 {
 244     return -1;
 245 }
 246
 247 static BOOL nulldrv_Ellipse( PHYSDEV dev, INT left, INT top, INT right, INT bottom )
 248 {
 249     return TRUE;
 250 }
 251
 252 static INT nulldrv_EndDoc( PHYSDEV dev )
 253 {
 254     return 0;
 255 }
 256
 257 static INT nulldrv_EndPage( PHYSDEV dev )
 258 {
 259     return 0;
 260 }
 261
 262 static BOOL nulldrv_EnumFonts( PHYSDEV dev, LOGFONTW *logfont, FONTENUMPROCW proc, LPARAM lParam )
 263 {
 264     return TRUE;
 265 }
 266
 267 static INT nulldrv_EnumICMProfiles( PHYSDEV dev, ICMENUMPROCW func, LPARAM lparam )
 268 {
 269     return -1;
 270 }
 271
 272 static INT nulldrv_ExtDeviceMode( LPSTR buffer, HWND hwnd, DEVMODEA *output, LPSTR device,
 273                                   LPSTR port, DEVMODEA *input, LPSTR profile, DWORD mode )
 274 {
 275     return -1;
 276 }
 277
 278 static INT nulldrv_ExtEscape( PHYSDEV dev, INT escape, INT in_size, const void *in_data,
 279                                     INT out_size, void *out_data )
 280 {
 281     return 0;
 282 }
 283
 284 static BOOL nulldrv_ExtFloodFill( PHYSDEV dev, INT x, INT y, COLORREF color, UINT type )
 285 {
 286     return TRUE;
 287 }
 288
 289 static BOOL nulldrv_FontIsLinked( PHYSDEV dev )
 290 {
 291     return FALSE;
 292 }
 293
 294 static BOOL nulldrv_GdiComment( PHYSDEV dev, UINT size, const BYTE *data )
 295 {
 296     return FALSE;
 297 }
 298
 299 static BOOL nulldrv_GdiRealizationInfo( PHYSDEV dev, void *info )
 300 {
 301     return FALSE;
 302 }
 303
 304 static UINT nulldrv_GetBoundsRect( PHYSDEV dev, RECT *rect, UINT flags )
 305 {
 306     return DCB_RESET;
 307 }
 308
 309 static BOOL nulldrv_GetCharABCWidths( PHYSDEV dev, UINT first, UINT last, LPABC abc )
 310 {
 311     return FALSE;
 312 }
 313
 314 static BOOL nulldrv_GetCharABCWidthsI( PHYSDEV dev, UINT first, UINT count, WORD *indices, LPABC abc )
 315 {
 316     return FALSE;
 317 }
 318
 319 static BOOL nulldrv_GetCharWidth( PHYSDEV dev, UINT first, UINT last, INT *buffer )
 320 {
 321     return FALSE;
 322 }
 323
 324 static INT nulldrv_GetDeviceCaps( PHYSDEV dev, INT cap )
 325 {
 326     switch (cap)  /* return meaningful values for some entries */
 327     {
 328     case HORZRES:     return 640;
 329     case VERTRES:     return 480;
 330     case BITSPIXEL:   return 1;
 331     case PLANES:      return 1;
 332     case NUMCOLORS:   return 2;
 333     case ASPECTX:     return 36;
 334     case ASPECTY:     return 36;
 335     case ASPECTXY:    return 51;
 336     case LOGPIXELSX:  return 72;
 337     case LOGPIXELSY:  return 72;
 338     case SIZEPALETTE: return 2;
 339     case TEXTCAPS:    return (TC_OP_CHARACTER | TC_OP_STROKE | TC_CP_STROKE |
 340                               TC_CR_ANY | TC_SF_X_YINDEP | TC_SA_DOUBLE | TC_SA_INTEGER |
 341                               TC_SA_CONTIN | TC_UA_ABLE | TC_SO_ABLE | TC_RA_ABLE | TC_VA_ABLE);
 342     default:          return 0;
 343     }
 344 }
 345
 346 static BOOL nulldrv_GetDeviceGammaRamp( PHYSDEV dev, void *ramp )
 347 {
 348     SetLastError( ERROR_INVALID_PARAMETER );
 349     return FALSE;
 350 }
 351
 352 static DWORD nulldrv_GetFontData( PHYSDEV dev, DWORD table, DWORD offset, LPVOID buffer, DWORD length )
 353 {
 354     return FALSE;
 355 }
 356
 357 static DWORD nulldrv_GetFontUnicodeRanges( PHYSDEV dev, LPGLYPHSET glyphs )
 358 {
 359     return 0;
 360 }
 361
 362 static DWORD nulldrv_GetGlyphIndices( PHYSDEV dev, LPCWSTR str, INT count, LPWORD indices, DWORD flags )
 363 {
 364     return GDI_ERROR;
 365 }
 366
 367 static DWORD nulldrv_GetGlyphOutline( PHYSDEV dev, UINT ch, UINT format, LPGLYPHMETRICS metrics,
 368                                       DWORD size, LPVOID buffer, const MAT2 *mat )
 369 {
 370     return GDI_ERROR;
 371 }
 372
 373 static BOOL nulldrv_GetICMProfile( PHYSDEV dev, LPDWORD size, LPWSTR filename )
 374 {
 375     return FALSE;
 376 }
 377
 378 static DWORD nulldrv_GetImage( PHYSDEV dev, BITMAPINFO *info, struct gdi_image_bits *bits,
 379                                struct bitblt_coords *src )
 380 {
 381     return ERROR_NOT_SUPPORTED;
 382 }
 383
 384 static DWORD nulldrv_GetKerningPairs( PHYSDEV dev, DWORD count, LPKERNINGPAIR pairs )
 385 {
 386     return 0;
 387 }
 388
 389 static UINT nulldrv_GetOutlineTextMetrics( PHYSDEV dev, UINT size, LPOUTLINETEXTMETRICW otm )
 390 {
 391     return 0;
 392 }
 393
 394 static INT nulldrv_GetPixelFormat( PHYSDEV dev )
 395 {
 396     return 0;
 397 }
 398
 399 static UINT nulldrv_GetSystemPaletteEntries( PHYSDEV dev, UINT start, UINT count, PALETTEENTRY *entries )
 400 {
 401     return 0;
 402 }
 403
 404 static UINT nulldrv_GetTextCharsetInfo( PHYSDEV dev, LPFONTSIGNATURE fs, DWORD flags )
 405 {
 406     return DEFAULT_CHARSET;
 407 }
 408
 409 static BOOL nulldrv_GetTextExtentExPoint( PHYSDEV dev, LPCWSTR str, INT count, INT max_ext,
 410                                           INT *fit, INT *dx, SIZE *size )
 411 {
 412     return FALSE;
 413 }
 414
 415 static BOOL nulldrv_GetTextExtentExPointI( PHYSDEV dev, const WORD *indices, INT count, INT max_ext,
 416                                            INT *fit, INT *dx, SIZE *size )
 417 {
 418     return FALSE;
 419 }
 420
 421 static INT nulldrv_GetTextFace( PHYSDEV dev, INT size, LPWSTR name )
 422 {
 423     INT ret = 0;
 424     LOGFONTW font;
 425     HFONT hfont = GetCurrentObject( dev->hdc, OBJ_FONT );
 426
 427     if (GetObjectW( hfont, sizeof(font), &font ))
 428     {
 429         ret = strlenW( font.lfFaceName ) + 1;
 430         if (name)
 431         {
 432             lstrcpynW( name, font.lfFaceName, size );
 433             ret = min( size, ret );
 434         }
 435     }
 436     return ret;
 437 }
 438
 439 static BOOL nulldrv_GetTextMetrics( PHYSDEV dev, TEXTMETRICW *metrics )
 440 {
 441     return FALSE;
 442 }
 443
 444 static BOOL nulldrv_LineTo( PHYSDEV dev, INT x, INT y )
 445 {
 446     return TRUE;
 447 }
 448
 449 static BOOL nulldrv_MoveTo( PHYSDEV dev, INT x, INT y )
 450 {
 451     return TRUE;
 452 }
 453
 454 static BOOL nulldrv_PaintRgn( PHYSDEV dev, HRGN rgn )
 455 {
 456     return TRUE;
 457 }
 458
 459 static BOOL nulldrv_PatBlt( PHYSDEV dev, struct bitblt_coords *dst, DWORD rop )
 460 {
 461     return TRUE;
 462 }
 463
 464 static BOOL nulldrv_Pie( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
 465                          INT xstart, INT ystart, INT xend, INT yend )
 466 {
 467     return TRUE;
 468 }
 469
 470 static BOOL nulldrv_PolyPolygon( PHYSDEV dev, const POINT *points, const INT *counts, UINT polygons )
 471 {
 472     return TRUE;
 473 }
 474
 475 static BOOL nulldrv_PolyPolyline( PHYSDEV dev, const POINT *points, const DWORD *counts, DWORD lines )
 476 {
 477     return TRUE;
 478 }
 479
 480 static BOOL nulldrv_Polygon( PHYSDEV dev, const POINT *points, INT count )
 481 {
 482     INT counts[1] = { count };
 483
 484     return PolyPolygon( dev->hdc, points, counts, 1 );
 485 }
 486
 487 static BOOL nulldrv_Polyline( PHYSDEV dev, const POINT *points, INT count )
 488 {
 489     DWORD counts[1] = { count };
 490
 491     if (count < 0) return FALSE;
 492     return PolyPolyline( dev->hdc, points, counts, 1 );
 493 }
 494
 495 static DWORD nulldrv_PutImage( PHYSDEV dev, HRGN clip, BITMAPINFO *info,
 496                                const struct gdi_image_bits *bits, struct bitblt_coords *src,
 497                                struct bitblt_coords *dst, DWORD rop )
 498 {
 499     return ERROR_SUCCESS;
 500 }
 501
 502 static UINT nulldrv_RealizeDefaultPalette( PHYSDEV dev )
 503 {
 504     return 0;
 505 }
 506
 507 static UINT nulldrv_RealizePalette( PHYSDEV dev, HPALETTE palette, BOOL primary )
 508 {
 509     return 0;
 510 }
 511
 512 static BOOL nulldrv_Rectangle( PHYSDEV dev, INT left, INT top, INT right, INT bottom )
 513 {
 514     return TRUE;
 515 }
 516
 517 static HDC nulldrv_ResetDC( PHYSDEV dev, const DEVMODEW *devmode )
 518 {
 519     return 0;
 520 }
 521
 522 static BOOL nulldrv_RoundRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
 523                                INT ell_width, INT ell_height )
 524 {
 525     return TRUE;
 526 }
 527
 528 static HBITMAP nulldrv_SelectBitmap( PHYSDEV dev, HBITMAP bitmap )
 529 {
 530     return bitmap;
 531 }
 532
 533 static HBRUSH nulldrv_SelectBrush( PHYSDEV dev, HBRUSH brush, const struct brush_pattern *pattern )
 534 {
 535     return brush;
 536 }
 537
 538 static HFONT nulldrv_SelectFont( PHYSDEV dev, HFONT font )
 539 {
 540     return 0;
 541 }
 542
 543 static HPALETTE nulldrv_SelectPalette( PHYSDEV dev, HPALETTE palette, BOOL bkgnd )
 544 {
 545     return palette;
 546 }
 547
 548 static HPEN nulldrv_SelectPen( PHYSDEV dev, HPEN pen, const struct brush_pattern *pattern )
 549 {
 550     return pen;
 551 }
 552
 553 static INT nulldrv_SetArcDirection( PHYSDEV dev, INT dir )
 554 {
 555     return dir;
 556 }
 557
 558 static COLORREF nulldrv_SetBkColor( PHYSDEV dev, COLORREF color )
 559 {
 560     return color;
 561 }
 562
 563 static INT nulldrv_SetBkMode( PHYSDEV dev, INT mode )
 564 {
 565     return mode;
 566 }
 567
 568 static UINT nulldrv_SetBoundsRect( PHYSDEV dev, RECT *rect, UINT flags )
 569 {
 570     return DCB_RESET;
 571 }
 572
 573 static COLORREF nulldrv_SetDCBrushColor( PHYSDEV dev, COLORREF color )
 574 {
 575     return color;
 576 }
 577
 578 static COLORREF nulldrv_SetDCPenColor( PHYSDEV dev, COLORREF color )
 579 {
 580     return color;
 581 }
 582
 583 static void nulldrv_SetDeviceClipping( PHYSDEV dev, HRGN rgn )
 584 {
 585 }
 586
 587 static DWORD nulldrv_SetLayout( PHYSDEV dev, DWORD layout )
 588 {
 589     return layout;
 590 }
 591
 592 static BOOL nulldrv_SetDeviceGammaRamp( PHYSDEV dev, void *ramp )
 593 {
 594     SetLastError( ERROR_INVALID_PARAMETER );
 595     return FALSE;
 596 }
 597
 598 static DWORD nulldrv_SetMapperFlags( PHYSDEV dev, DWORD flags )
 599 {
 600     return flags;
 601 }
 602
 603 static COLORREF nulldrv_SetPixel( PHYSDEV dev, INT x, INT y, COLORREF color )
 604 {
 605     return color;
 606 }
 607
 608 static BOOL nulldrv_SetPixelFormat( PHYSDEV dev, INT format, const PIXELFORMATDESCRIPTOR *descr )
 609 {
 610     return FALSE;
 611 }
 612
 613 static INT nulldrv_SetPolyFillMode( PHYSDEV dev, INT mode )
 614 {
 615     return mode;
 616 }
 617
 618 static INT nulldrv_SetROP2( PHYSDEV dev, INT rop )
 619 {
 620     return rop;
 621 }
 622
 623 static INT nulldrv_SetRelAbs( PHYSDEV dev, INT mode )
 624 {
 625     return mode;
 626 }
 627
 628 static INT nulldrv_SetStretchBltMode( PHYSDEV dev, INT mode )
 629 {
 630     return mode;
 631 }
 632
 633 static UINT nulldrv_SetTextAlign( PHYSDEV dev, UINT align )
 634 {
 635     return align;
 636 }
 637
 638 static INT nulldrv_SetTextCharacterExtra( PHYSDEV dev, INT extra )
 639 {
 640     return extra;
 641 }
 642
 643 static COLORREF nulldrv_SetTextColor( PHYSDEV dev, COLORREF color )
 644 {
 645     return color;
 646 }
 647
 648 static BOOL nulldrv_SetTextJustification( PHYSDEV dev, INT extra, INT breaks )
 649 {
 650     return TRUE;
 651 }
 652
 653 static INT nulldrv_StartDoc( PHYSDEV dev, const DOCINFOW *info )
 654 {
 655     return 0;
 656 }
 657
 658 static INT nulldrv_StartPage( PHYSDEV dev )
 659 {
 660     return 1;
 661 }
 662
 663 static BOOL nulldrv_SwapBuffers( PHYSDEV dev )
 664 {
 665     return TRUE;
 666 }
 667
 668 static BOOL nulldrv_UnrealizePalette( HPALETTE palette )
 669 {
 670     return FALSE;
 671 }
 672
 673 static BOOL nulldrv_wglCopyContext( HGLRC ctx_src, HGLRC ctx_dst, UINT mask )
 674 {
 675     return FALSE;
 676 }
 677
 678 static HGLRC nulldrv_wglCreateContext( PHYSDEV dev )
 679 {
 680     return 0;
 681 }
 682
 683 static HGLRC nulldrv_wglCreateContextAttribsARB( PHYSDEV dev, HGLRC share_ctx, const int *attribs )
 684 {
 685     return 0;
 686 }
 687
 688 static BOOL nulldrv_wglDeleteContext( HGLRC ctx )
 689 {
 690     return FALSE;
 691 }
 692
 693 static PROC nulldrv_wglGetProcAddress( LPCSTR name )
 694 {
 695     return NULL;
 696 }
 697
 698 static BOOL nulldrv_wglMakeCurrent( PHYSDEV dev, HGLRC ctx )
 699 {
 700     return FALSE;
 701 }
 702
 703 static BOOL nulldrv_wglMakeContextCurrentARB( PHYSDEV dev_draw, PHYSDEV dev_read, HGLRC ctx )
 704 {
 705     return FALSE;
 706 }
 707
 708 static BOOL nulldrv_wglSetPixelFormatWINE( PHYSDEV dev, INT format, const PIXELFORMATDESCRIPTOR *descr )
 709 {
 710     return FALSE;
 711 }
 712
 713 static BOOL nulldrv_wglShareLists( HGLRC ctx1, HGLRC ctx2 )
 714 {
 715     return FALSE;
 716 }
 717
 718 static BOOL nulldrv_wglUseFontBitmapsA( PHYSDEV dev, DWORD start, DWORD count, DWORD base )
 719 {
 720     return FALSE;
 721 }
 722
 723 static BOOL nulldrv_wglUseFontBitmapsW( PHYSDEV dev, DWORD start, DWORD count, DWORD base )
 724 {
 725     return FALSE;
 726 }
 727
 728 const struct gdi_dc_funcs null_driver =
 729 {
 730     nulldrv_AbortDoc,                   /* pAbortDoc */
 731     nulldrv_AbortPath,                  /* pAbortPath */
 732     nulldrv_AlphaBlend,                 /* pAlphaBlend */
 733     nulldrv_AngleArc,                   /* pAngleArc */
 734     nulldrv_Arc,                        /* pArc */
 735     nulldrv_ArcTo,                      /* pArcTo */
 736     nulldrv_BeginPath,                  /* pBeginPath */
 737     nulldrv_BlendImage,                 /* pBlendImage */
 738     nulldrv_ChoosePixelFormat,          /* pChoosePixelFormat */
 739     nulldrv_Chord,                      /* pChord */
 740     nulldrv_CloseFigure,                /* pCloseFigure */
 741     nulldrv_CreateCompatibleDC,         /* pCreateCompatibleDC */
 742     nulldrv_CreateDC,                   /* pCreateDC */
 743     nulldrv_DeleteDC,                   /* pDeleteDC */
 744     nulldrv_DeleteObject,               /* pDeleteObject */
 745     nulldrv_DescribePixelFormat,        /* pDescribePixelFormat */
 746     nulldrv_DeviceCapabilities,         /* pDeviceCapabilities */
 747     nulldrv_Ellipse,                    /* pEllipse */
 748     nulldrv_EndDoc,                     /* pEndDoc */
 749     nulldrv_EndPage,                    /* pEndPage */
 750     nulldrv_EndPath,                    /* pEndPath */
 751     nulldrv_EnumFonts,                  /* pEnumFonts */
 752     nulldrv_EnumICMProfiles,            /* pEnumICMProfiles */
 753     nulldrv_ExcludeClipRect,            /* pExcludeClipRect */
 754     nulldrv_ExtDeviceMode,              /* pExtDeviceMode */
 755     nulldrv_ExtEscape,                  /* pExtEscape */
 756     nulldrv_ExtFloodFill,               /* pExtFloodFill */
 757     nulldrv_ExtSelectClipRgn,           /* pExtSelectClipRgn */
 758     nulldrv_ExtTextOut,                 /* pExtTextOut */
 759     nulldrv_FillPath,                   /* pFillPath */
 760     nulldrv_FillRgn,                    /* pFillRgn */
 761     nulldrv_FlattenPath,                /* pFlattenPath */
 762     nulldrv_FontIsLinked,               /* pFontIsLinked */
 763     nulldrv_FrameRgn,                   /* pFrameRgn */
 764     nulldrv_GdiComment,                 /* pGdiComment */
 765     nulldrv_GdiRealizationInfo,         /* pGdiRealizationInfo */
 766     nulldrv_GetBoundsRect,              /* pGetBoundsRect */
 767     nulldrv_GetCharABCWidths,           /* pGetCharABCWidths */
 768     nulldrv_GetCharABCWidthsI,          /* pGetCharABCWidthsI */
 769     nulldrv_GetCharWidth,               /* pGetCharWidth */
 770     nulldrv_GetDeviceCaps,              /* pGetDeviceCaps */
 771     nulldrv_GetDeviceGammaRamp,         /* pGetDeviceGammaRamp */
 772     nulldrv_GetFontData,                /* pGetFontData */
 773     nulldrv_GetFontUnicodeRanges,       /* pGetFontUnicodeRanges */
 774     nulldrv_GetGlyphIndices,            /* pGetGlyphIndices */
 775     nulldrv_GetGlyphOutline,            /* pGetGlyphOutline */
 776     nulldrv_GetICMProfile,              /* pGetICMProfile */
 777     nulldrv_GetImage,                   /* pGetImage */
 778     nulldrv_GetKerningPairs,            /* pGetKerningPairs */
 779     nulldrv_GetNearestColor,            /* pGetNearestColor */
 780     nulldrv_GetOutlineTextMetrics,      /* pGetOutlineTextMetrics */
 781     nulldrv_GetPixel,                   /* pGetPixel */
 782     nulldrv_GetPixelFormat,             /* pGetPixelFormat */
 783     nulldrv_GetSystemPaletteEntries,    /* pGetSystemPaletteEntries */
 784     nulldrv_GetTextCharsetInfo,         /* pGetTextCharsetInfo */
 785     nulldrv_GetTextExtentExPoint,       /* pGetTextExtentExPoint */
 786     nulldrv_GetTextExtentExPointI,      /* pGetTextExtentExPointI */
 787     nulldrv_GetTextFace,                /* pGetTextFace */
 788     nulldrv_GetTextMetrics,             /* pGetTextMetrics */
 789     nulldrv_GradientFill,               /* pGradientFill */
 790     nulldrv_IntersectClipRect,          /* pIntersectClipRect */
 791     nulldrv_InvertRgn,                  /* pInvertRgn */
 792     nulldrv_LineTo,                     /* pLineTo */
 793     nulldrv_ModifyWorldTransform,       /* pModifyWorldTransform */
 794     nulldrv_MoveTo,                     /* pMoveTo */
 795     nulldrv_OffsetClipRgn,              /* pOffsetClipRgn */
 796     nulldrv_OffsetViewportOrgEx,        /* pOffsetViewportOrg */
 797     nulldrv_OffsetWindowOrgEx,          /* pOffsetWindowOrg */
 798     nulldrv_PaintRgn,                   /* pPaintRgn */
 799     nulldrv_PatBlt,                     /* pPatBlt */
 800     nulldrv_Pie,                        /* pPie */
 801     nulldrv_PolyBezier,                 /* pPolyBezier */
 802     nulldrv_PolyBezierTo,               /* pPolyBezierTo */
 803     nulldrv_PolyDraw,                   /* pPolyDraw */
 804     nulldrv_PolyPolygon,                /* pPolyPolygon */
 805     nulldrv_PolyPolyline,               /* pPolyPolyline */
 806     nulldrv_Polygon,                    /* pPolygon */
 807     nulldrv_Polyline,                   /* pPolyline */
 808     nulldrv_PolylineTo,                 /* pPolylineTo */
 809     nulldrv_PutImage,                   /* pPutImage */
 810     nulldrv_RealizeDefaultPalette,      /* pRealizeDefaultPalette */
 811     nulldrv_RealizePalette,             /* pRealizePalette */
 812     nulldrv_Rectangle,                  /* pRectangle */
 813     nulldrv_ResetDC,                    /* pResetDC */
 814     nulldrv_RestoreDC,                  /* pRestoreDC */
 815     nulldrv_RoundRect,                  /* pRoundRect */
 816     nulldrv_SaveDC,                     /* pSaveDC */
 817     nulldrv_ScaleViewportExtEx,         /* pScaleViewportExt */
 818     nulldrv_ScaleWindowExtEx,           /* pScaleWindowExt */
 819     nulldrv_SelectBitmap,               /* pSelectBitmap */
 820     nulldrv_SelectBrush,                /* pSelectBrush */
 821     nulldrv_SelectClipPath,             /* pSelectClipPath */
 822     nulldrv_SelectFont,                 /* pSelectFont */
 823     nulldrv_SelectPalette,              /* pSelectPalette */
 824     nulldrv_SelectPen,                  /* pSelectPen */
 825     nulldrv_SetArcDirection,            /* pSetArcDirection */
 826     nulldrv_SetBkColor,                 /* pSetBkColor */
 827     nulldrv_SetBkMode,                  /* pSetBkMode */
 828     nulldrv_SetBoundsRect,              /* pSetBoundsRect */
 829     nulldrv_SetDCBrushColor,            /* pSetDCBrushColor */
 830     nulldrv_SetDCPenColor,              /* pSetDCPenColor */
 831     nulldrv_SetDIBitsToDevice,          /* pSetDIBitsToDevice */
 832     nulldrv_SetDeviceClipping,          /* pSetDeviceClipping */
 833     nulldrv_SetDeviceGammaRamp,         /* pSetDeviceGammaRamp */
 834     nulldrv_SetLayout,                  /* pSetLayout */
 835     nulldrv_SetMapMode,                 /* pSetMapMode */
 836     nulldrv_SetMapperFlags,             /* pSetMapperFlags */
 837     nulldrv_SetPixel,                   /* pSetPixel */
 838     nulldrv_SetPixelFormat,             /* pSetPixelFormat */
 839     nulldrv_SetPolyFillMode,            /* pSetPolyFillMode */
 840     nulldrv_SetROP2,                    /* pSetROP2 */
 841     nulldrv_SetRelAbs,                  /* pSetRelAbs */
 842     nulldrv_SetStretchBltMode,          /* pSetStretchBltMode */
 843     nulldrv_SetTextAlign,               /* pSetTextAlign */
 844     nulldrv_SetTextCharacterExtra,      /* pSetTextCharacterExtra */
 845     nulldrv_SetTextColor,               /* pSetTextColor */
 846     nulldrv_SetTextJustification,       /* pSetTextJustification */
 847     nulldrv_SetViewportExtEx,           /* pSetViewportExt */
 848     nulldrv_SetViewportOrgEx,           /* pSetViewportOrg */
 849     nulldrv_SetWindowExtEx,             /* pSetWindowExt */
 850     nulldrv_SetWindowOrgEx,             /* pSetWindowOrg */
 851     nulldrv_SetWorldTransform,          /* pSetWorldTransform */
 852     nulldrv_StartDoc,                   /* pStartDoc */
 853     nulldrv_StartPage,                  /* pStartPage */
 854     nulldrv_StretchBlt,                 /* pStretchBlt */
 855     nulldrv_StretchDIBits,              /* pStretchDIBits */
 856     nulldrv_StrokeAndFillPath,          /* pStrokeAndFillPath */
 857     nulldrv_StrokePath,                 /* pStrokePath */
 858     nulldrv_SwapBuffers,                /* pSwapBuffers */
 859     nulldrv_UnrealizePalette,           /* pUnrealizePalette */
 860     nulldrv_WidenPath,                  /* pWidenPath */
 861     nulldrv_wglCopyContext,             /* pwglCopyContext */
 862     nulldrv_wglCreateContext,           /* pwglCreateContext */
 863     nulldrv_wglCreateContextAttribsARB, /* pwglCreateContextAttribsARB */
 864     nulldrv_wglDeleteContext,           /* pwglDeleteContext */
 865     nulldrv_wglGetProcAddress,          /* pwglGetProcAddress */
 866     nulldrv_wglMakeContextCurrentARB,   /* pwglMakeContextCurrentARB */
 867     nulldrv_wglMakeCurrent,             /* pwglMakeCurrent */
 868     nulldrv_wglSetPixelFormatWINE,      /* pwglSetPixelFormatWINE */
 869     nulldrv_wglShareLists,              /* pwglShareLists */
 870     nulldrv_wglUseFontBitmapsA,         /* pwglUseFontBitmapsA */
 871     nulldrv_wglUseFontBitmapsW,         /* pwglUseFontBitmapsW */
 872
 873     GDI_PRIORITY_NULL_DRV               /* priority */
 874 };
 875
 876
 877 /*****************************************************************************
 878  *      DRIVER_GetDriverName
 879  *
 880  */
 881 BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size )
 882 {
 883     static const WCHAR displayW[] = { 'd','i','s','p','l','a','y',0 };
 884     static const WCHAR devicesW[] = { 'd','e','v','i','c','e','s',0 };
 885     static const WCHAR display1W[] = {'\\','\\','.','\\','D','I','S','P','L','A','Y','1',0};
 886     static const WCHAR empty_strW[] = { 0 };
 887     WCHAR *p;
 888
 889     /* display is a special case */
 890     if (!strcmpiW( device, displayW ) ||
 891         !strcmpiW( device, display1W ))
 892     {
 893         lstrcpynW( driver, displayW, size );
 894         return TRUE;
 895     }
 896
 897     size = GetProfileStringW(devicesW, device, empty_strW, driver, size);
 898     if(!size) {
 899         WARN("Unable to find %s in [devices] section of win.ini\n", debugstr_w(device));
 900         return FALSE;
 901     }
 902     p = strchrW(driver, ',');
 903     if(!p)
 904     {
 905         WARN("%s entry in [devices] section of win.ini is malformed.\n", debugstr_w(device));
 906         return FALSE;
 907     }
 908     *p = 0;
 909     TRACE("Found %s for %s\n", debugstr_w(driver), debugstr_w(device));
 910     return TRUE;
 911 }
 912
 913
 914 /***********************************************************************
 915  *           GdiConvertToDevmodeW    (GDI32.@)
 916  */
 917 DEVMODEW * WINAPI GdiConvertToDevmodeW(const DEVMODEA *dmA)
 918 {
 919     DEVMODEW *dmW;
 920     WORD dmW_size, dmA_size;
 921
 922     dmA_size = dmA->dmSize;
 923
 924     /* this is the minimal dmSize that XP accepts */
 925     if (dmA_size < FIELD_OFFSET(DEVMODEA, dmFields))
 926         return NULL;
 927
 928     if (dmA_size > sizeof(DEVMODEA))
 929         dmA_size = sizeof(DEVMODEA);
 930
 931     dmW_size = dmA_size + CCHDEVICENAME;
 932     if (dmA_size >= FIELD_OFFSET(DEVMODEA, dmFormName) + CCHFORMNAME)
 933         dmW_size += CCHFORMNAME;
 934
 935     dmW = HeapAlloc(GetProcessHeap(), 0, dmW_size + dmA->dmDriverExtra);
 936     if (!dmW) return NULL;
 937
 938     MultiByteToWideChar(CP_ACP, 0, (const char*) dmA->dmDeviceName, -1,
 939                                    dmW->dmDeviceName, CCHDEVICENAME);
 940     /* copy slightly more, to avoid long computations */
 941     memcpy(&dmW->dmSpecVersion, &dmA->dmSpecVersion, dmA_size - CCHDEVICENAME);
 942
 943     if (dmA_size >= FIELD_OFFSET(DEVMODEA, dmFormName) + CCHFORMNAME)
 944     {
 945         if (dmA->dmFields & DM_FORMNAME)
 946             MultiByteToWideChar(CP_ACP, 0, (const char*) dmA->dmFormName, -1,
 947                                        dmW->dmFormName, CCHFORMNAME);
 948         else
 949             dmW->dmFormName[0] = 0;
 950
 951         if (dmA_size > FIELD_OFFSET(DEVMODEA, dmLogPixels))
 952             memcpy(&dmW->dmLogPixels, &dmA->dmLogPixels, dmA_size - FIELD_OFFSET(DEVMODEA, dmLogPixels));
 953     }
 954
 955     if (dmA->dmDriverExtra)
 956         memcpy((char *)dmW + dmW_size, (const char *)dmA + dmA_size, dmA->dmDriverExtra);
 957
 958     dmW->dmSize = dmW_size;
 959
 960     return dmW;
 961 }
 962
 963
 964 /*****************************************************************************
 965  *      @ [GDI32.100]
 966  *
 967  * This should thunk to 16-bit and simply call the proc with the given args.
 968  */
 969 INT WINAPI GDI_CallDevInstall16( FARPROC16 lpfnDevInstallProc, HWND hWnd,
 970                                  LPSTR lpModelName, LPSTR OldPort, LPSTR NewPort )
 971 {
 972     FIXME("(%p, %p, %s, %s, %s)\n", lpfnDevInstallProc, hWnd, lpModelName, OldPort, NewPort );
 973     return -1;
 974 }
 975
 976 /*****************************************************************************
 977  *      @ [GDI32.101]
 978  *
 979  * This should load the correct driver for lpszDevice and calls this driver's
 980  * ExtDeviceModePropSheet proc.
 981  *
 982  * Note: The driver calls a callback routine for each property sheet page; these
 983  * pages are supposed to be filled into the structure pointed to by lpPropSheet.
 984  * The layout of this structure is:
 985  *
 986  * struct
 987  * {
 988  *   DWORD  nPages;
 989  *   DWORD  unknown;
 990  *   HPROPSHEETPAGE  pages[10];
 991  * };
 992  */
 993 INT WINAPI GDI_CallExtDeviceModePropSheet16( HWND hWnd, LPCSTR lpszDevice,
 994                                              LPCSTR lpszPort, LPVOID lpPropSheet )
 995 {
 996     FIXME("(%p, %s, %s, %p)\n", hWnd, lpszDevice, lpszPort, lpPropSheet );
 997     return -1;
 998 }
 999
1000 /*****************************************************************************
1001  *      @ [GDI32.102]
1002  *
1003  * This should load the correct driver for lpszDevice and call this driver's
1004  * ExtDeviceMode proc.
1005  *
1006  * FIXME: convert ExtDeviceMode to unicode in the driver interface
1007  */
1008 INT WINAPI GDI_CallExtDeviceMode16( HWND hwnd,
1009                                     LPDEVMODEA lpdmOutput, LPSTR lpszDevice,
1010                                     LPSTR lpszPort, LPDEVMODEA lpdmInput,
1011                                     LPSTR lpszProfile, DWORD fwMode )
1012 {
1013     WCHAR deviceW[300];
1014     WCHAR bufW[300];
1015     char buf[300];
1016     HDC hdc;
1017     DC *dc;
1018     INT ret = -1;
1019
1020     TRACE("(%p, %p, %s, %s, %p, %s, %d)\n",
1021           hwnd, lpdmOutput, lpszDevice, lpszPort, lpdmInput, lpszProfile, fwMode );
1022
1023     if (!lpszDevice) return -1;
1024     if (!MultiByteToWideChar(CP_ACP, 0, lpszDevice, -1, deviceW, 300)) return -1;
1025
1026     if(!DRIVER_GetDriverName( deviceW, bufW, 300 )) return -1;
1027
1028     if (!WideCharToMultiByte(CP_ACP, 0, bufW, -1, buf, 300, NULL, NULL)) return -1;
1029
1030     if (!(hdc = CreateICA( buf, lpszDevice, lpszPort, NULL ))) return -1;
1031
1032     if ((dc = get_dc_ptr( hdc )))
1033     {
1034         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pExtDeviceMode );
1035         ret = physdev->funcs->pExtDeviceMode( buf, hwnd, lpdmOutput, lpszDevice, lpszPort,
1036                                               lpdmInput, lpszProfile, fwMode );
1037         release_dc_ptr( dc );
1038     }
1039     DeleteDC( hdc );
1040     return ret;
1041 }
1042
1043 /****************************************************************************
1044  *      @ [GDI32.103]
1045  *
1046  * This should load the correct driver for lpszDevice and calls this driver's
1047  * AdvancedSetupDialog proc.
1048  */
1049 INT WINAPI GDI_CallAdvancedSetupDialog16( HWND hwnd, LPSTR lpszDevice,
1050                                           LPDEVMODEA devin, LPDEVMODEA devout )
1051 {
1052     TRACE("(%p, %s, %p, %p)\n", hwnd, lpszDevice, devin, devout );
1053     return -1;
1054 }
1055
1056 /*****************************************************************************
1057  *      @ [GDI32.104]
1058  *
1059  * This should load the correct driver for lpszDevice and calls this driver's
1060  * DeviceCapabilities proc.
1061  *
1062  * FIXME: convert DeviceCapabilities to unicode in the driver interface
1063  */
1064 DWORD WINAPI GDI_CallDeviceCapabilities16( LPCSTR lpszDevice, LPCSTR lpszPort,
1065                                            WORD fwCapability, LPSTR lpszOutput,
1066                                            LPDEVMODEA lpdm )
1067 {
1068     WCHAR deviceW[300];
1069     WCHAR bufW[300];
1070     char buf[300];
1071     HDC hdc;
1072     DC *dc;
1073     INT ret = -1;
1074
1075     TRACE("(%s, %s, %d, %p, %p)\n", lpszDevice, lpszPort, fwCapability, lpszOutput, lpdm );
1076
1077     if (!lpszDevice) return -1;
1078     if (!MultiByteToWideChar(CP_ACP, 0, lpszDevice, -1, deviceW, 300)) return -1;
1079
1080     if(!DRIVER_GetDriverName( deviceW, bufW, 300 )) return -1;
1081
1082     if (!WideCharToMultiByte(CP_ACP, 0, bufW, -1, buf, 300, NULL, NULL)) return -1;
1083
1084     if (!(hdc = CreateICA( buf, lpszDevice, lpszPort, NULL ))) return -1;
1085
1086     if ((dc = get_dc_ptr( hdc )))
1087     {
1088         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pDeviceCapabilities );
1089         ret = physdev->funcs->pDeviceCapabilities( buf, lpszDevice, lpszPort,
1090                                                    fwCapability, lpszOutput, lpdm );
1091         release_dc_ptr( dc );
1092     }
1093     DeleteDC( hdc );
1094     return ret;
1095 }
1096
1097
1098 /************************************************************************
1099  *             Escape  [GDI32.@]
1100  */
1101 INT WINAPI Escape( HDC hdc, INT escape, INT in_count, LPCSTR in_data, LPVOID out_data )
1102 {
1103     INT ret;
1104     POINT *pt;
1105
1106     switch (escape)
1107     {
1108     case ABORTDOC:
1109         return AbortDoc( hdc );
1110
1111     case ENDDOC:
1112         return EndDoc( hdc );
1113
1114     case GETPHYSPAGESIZE:
1115         pt = out_data;
1116         pt->x = GetDeviceCaps( hdc, PHYSICALWIDTH );
1117         pt->y = GetDeviceCaps( hdc, PHYSICALHEIGHT );
1118         return 1;
1119
1120     case GETPRINTINGOFFSET:
1121         pt = out_data;
1122         pt->x = GetDeviceCaps( hdc, PHYSICALOFFSETX );
1123         pt->y = GetDeviceCaps( hdc, PHYSICALOFFSETY );
1124         return 1;
1125
1126     case GETSCALINGFACTOR:
1127         pt = out_data;
1128         pt->x = GetDeviceCaps( hdc, SCALINGFACTORX );
1129         pt->y = GetDeviceCaps( hdc, SCALINGFACTORY );
1130         return 1;
1131
1132     case NEWFRAME:
1133         return EndPage( hdc );
1134
1135     case SETABORTPROC:
1136         return SetAbortProc( hdc, (ABORTPROC)in_data );
1137
1138     case STARTDOC:
1139         {
1140             DOCINFOA doc;
1141             char *name = NULL;
1142
1143             /* in_data may not be 0 terminated so we must copy it */
1144             if (in_data)
1145             {
1146                 name = HeapAlloc( GetProcessHeap(), 0, in_count+1 );
1147                 memcpy( name, in_data, in_count );
1148                 name[in_count] = 0;
1149             }
1150             /* out_data is actually a pointer to the DocInfo structure and used as
1151              * a second input parameter */
1152             if (out_data) doc = *(DOCINFOA *)out_data;
1153             else
1154             {
1155                 doc.cbSize = sizeof(doc);
1156                 doc.lpszOutput = NULL;
1157                 doc.lpszDatatype = NULL;
1158                 doc.fwType = 0;
1159             }
1160             doc.lpszDocName = name;
1161             ret = StartDocA( hdc, &doc );
1162             HeapFree( GetProcessHeap(), 0, name );
1163             if (ret > 0) ret = StartPage( hdc );
1164             return ret;
1165         }
1166
1167     case QUERYESCSUPPORT:
1168         {
1169             const INT *ptr = (const INT *)in_data;
1170             if (in_count < sizeof(INT)) return 0;
1171             switch(*ptr)
1172             {
1173             case ABORTDOC:
1174             case ENDDOC:
1175             case GETPHYSPAGESIZE:
1176             case GETPRINTINGOFFSET:
1177             case GETSCALINGFACTOR:
1178             case NEWFRAME:
1179             case QUERYESCSUPPORT:
1180             case SETABORTPROC:
1181             case STARTDOC:
1182                 return TRUE;
1183             }
1184             break;
1185         }
1186     }
1187
1188     /* if not handled internally, pass it to the driver */
1189     return ExtEscape( hdc, escape, in_count, in_data, 0, out_data );
1190 }
1191
1192
1193 /******************************************************************************
1194  *              ExtEscape       [GDI32.@]
1195  *
1196  * Access capabilities of a particular device that are not available through GDI.
1197  *
1198  * PARAMS
1199  *    hdc         [I] Handle to device context
1200  *    nEscape     [I] Escape function
1201  *    cbInput     [I] Number of bytes in input structure
1202  *    lpszInData  [I] Pointer to input structure
1203  *    cbOutput    [I] Number of bytes in output structure
1204  *    lpszOutData [O] Pointer to output structure
1205  *
1206  * RETURNS
1207  *    Success: >0
1208  *    Not implemented: 0
1209  *    Failure: <0
1210  */
1211 INT WINAPI ExtEscape( HDC hdc, INT nEscape, INT cbInput, LPCSTR lpszInData,
1212                       INT cbOutput, LPSTR lpszOutData )
1213 {
1214     INT ret = 0;
1215     DC * dc = get_dc_ptr( hdc );
1216
1217     if (dc)
1218     {
1219         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pExtEscape );
1220         update_dc( dc );
1221         ret = physdev->funcs->pExtEscape( physdev, nEscape, cbInput, lpszInData, cbOutput, lpszOutData );
1222         release_dc_ptr( dc );
1223     }
1224     return ret;
1225 }
1226
1227
1228 /*******************************************************************
1229  *      DrawEscape [GDI32.@]
1230  *
1231  *
1232  */
1233 INT WINAPI DrawEscape(HDC hdc, INT nEscape, INT cbInput, LPCSTR lpszInData)
1234 {
1235     FIXME("DrawEscape, stub\n");
1236     return 0;
1237 }
1238
1239 /*******************************************************************
1240  *      NamedEscape [GDI32.@]
1241  */
1242 INT WINAPI NamedEscape( HDC hdc, LPCWSTR pDriver, INT nEscape, INT cbInput, LPCSTR lpszInData,
1243                         INT cbOutput, LPSTR lpszOutData )
1244 {
1245     FIXME("(%p, %s, %d, %d, %p, %d, %p)\n",
1246           hdc, wine_dbgstr_w(pDriver), nEscape, cbInput, lpszInData, cbOutput,
1247           lpszOutData);
1248     return 0;
1249 }
1250
1251 /*******************************************************************
1252  *      DdQueryDisplaySettingsUniqueness [GDI32.@]
1253  *      GdiEntry13                       [GDI32.@]
1254  */
1255 ULONG WINAPI DdQueryDisplaySettingsUniqueness(VOID)
1256 {
1257     static int warn_once;
1258
1259     if (!warn_once++)
1260         FIXME("stub\n");
1261     return 0;
1262 }