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 "ddrawgdi.h"
  32 #include "wine/winbase16.h"
  33 #include "winternl.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     if (!display_driver)
  98     {
  99         HMODULE user32 = LoadLibraryA( "user32.dll" );
 100         HWND (WINAPI *pGetDesktopWindow)(void) = (void *)GetProcAddress( user32, "GetDesktopWindow" );
 101
 102         if (!pGetDesktopWindow() || !display_driver)
 103         {
 104             WARN( "failed to load the display driver, falling back to null driver\n" );
 105             __wine_set_display_driver( 0 );
 106         }
 107     }
 108     return display_driver->funcs;
 109 }
 110
 111
 112 /**********************************************************************
 113  *           DRIVER_load_driver
 114  */
 115 const struct gdi_dc_funcs *DRIVER_load_driver( LPCWSTR name )
 116 {
 117     HMODULE module;
 118     struct graphics_driver *driver, *new_driver;
 119     static const WCHAR displayW[] = { 'd','i','s','p','l','a','y',0 };
 120     static const WCHAR display1W[] = {'\\','\\','.','\\','D','I','S','P','L','A','Y','1',0};
 121
 122     /* display driver is a special case */
 123     if (!strcmpiW( name, displayW ) || !strcmpiW( name, display1W )) return get_display_driver();
 124
 125     if ((module = GetModuleHandleW( name )))
 126     {
 127         if (display_driver && display_driver->module == module) return display_driver->funcs;
 128
 129         EnterCriticalSection( &driver_section );
 130         LIST_FOR_EACH_ENTRY( driver, &drivers, struct graphics_driver, entry )
 131         {
 132             if (driver->module == module) goto done;
 133         }
 134         LeaveCriticalSection( &driver_section );
 135     }
 136
 137     if (!(module = LoadLibraryW( name ))) return NULL;
 138
 139     if (!(new_driver = create_driver( module )))
 140     {
 141         FreeLibrary( module );
 142         return NULL;
 143     }
 144
 145     /* check if someone else added it in the meantime */
 146     EnterCriticalSection( &driver_section );
 147     LIST_FOR_EACH_ENTRY( driver, &drivers, struct graphics_driver, entry )
 148     {
 149         if (driver->module != module) continue;
 150         FreeLibrary( module );
 151         HeapFree( GetProcessHeap(), 0, new_driver );
 152         goto done;
 153     }
 154     driver = new_driver;
 155     list_add_head( &drivers, &driver->entry );
 156     TRACE( "loaded driver %p for %s\n", driver, debugstr_w(name) );
 157 done:
 158     LeaveCriticalSection( &driver_section );
 159     return driver->funcs;
 160 }
 161
 162
 163 /***********************************************************************
 164  *           __wine_set_display_driver    (GDI32.@)
 165  */
 166 void CDECL __wine_set_display_driver( HMODULE module )
 167 {
 168     struct graphics_driver *driver;
 169
 170     if (!(driver = create_driver( module )))
 171     {
 172         ERR( "Could not create graphics driver\n" );
 173         ExitProcess(1);
 174     }
 175     if (InterlockedCompareExchangePointer( (void **)&display_driver, driver, NULL ))
 176         HeapFree( GetProcessHeap(), 0, driver );
 177 }
 178
 179
 180 static INT nulldrv_AbortDoc( PHYSDEV dev )
 181 {
 182     return 0;
 183 }
 184
 185 static BOOL nulldrv_Arc( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
 186                          INT xstart, INT ystart, INT xend, INT yend )
 187 {
 188     return TRUE;
 189 }
 190
 191 static BOOL nulldrv_Chord( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
 192                            INT xstart, INT ystart, INT xend, INT yend )
 193 {
 194     return TRUE;
 195 }
 196
 197 static BOOL nulldrv_CreateCompatibleDC( PHYSDEV orig, PHYSDEV *pdev )
 198 {
 199     if (!display_driver || !display_driver->funcs->pCreateCompatibleDC) return TRUE;
 200     return display_driver->funcs->pCreateCompatibleDC( NULL, pdev );
 201 }
 202
 203 static BOOL nulldrv_CreateDC( PHYSDEV *dev, LPCWSTR driver, LPCWSTR device,
 204                               LPCWSTR output, const DEVMODEW *devmode )
 205 {
 206     assert(0);  /* should never be called */
 207     return FALSE;
 208 }
 209
 210 static BOOL nulldrv_DeleteDC( PHYSDEV dev )
 211 {
 212     assert(0);  /* should never be called */
 213     return TRUE;
 214 }
 215
 216 static BOOL nulldrv_DeleteObject( PHYSDEV dev, HGDIOBJ obj )
 217 {
 218     return TRUE;
 219 }
 220
 221 static DWORD nulldrv_DeviceCapabilities( LPSTR buffer, LPCSTR device, LPCSTR port,
 222                                          WORD cap, LPSTR output, DEVMODEA *devmode )
 223 {
 224     return -1;
 225 }
 226
 227 static BOOL nulldrv_Ellipse( PHYSDEV dev, INT left, INT top, INT right, INT bottom )
 228 {
 229     return TRUE;
 230 }
 231
 232 static INT nulldrv_EndDoc( PHYSDEV dev )
 233 {
 234     return 0;
 235 }
 236
 237 static INT nulldrv_EndPage( PHYSDEV dev )
 238 {
 239     return 0;
 240 }
 241
 242 static BOOL nulldrv_EnumFonts( PHYSDEV dev, LOGFONTW *logfont, FONTENUMPROCW proc, LPARAM lParam )
 243 {
 244     return TRUE;
 245 }
 246
 247 static INT nulldrv_EnumICMProfiles( PHYSDEV dev, ICMENUMPROCW func, LPARAM lparam )
 248 {
 249     return -1;
 250 }
 251
 252 static INT nulldrv_ExtDeviceMode( LPSTR buffer, HWND hwnd, DEVMODEA *output, LPSTR device,
 253                                   LPSTR port, DEVMODEA *input, LPSTR profile, DWORD mode )
 254 {
 255     return -1;
 256 }
 257
 258 static INT nulldrv_ExtEscape( PHYSDEV dev, INT escape, INT in_size, const void *in_data,
 259                                     INT out_size, void *out_data )
 260 {
 261     return 0;
 262 }
 263
 264 static BOOL nulldrv_ExtFloodFill( PHYSDEV dev, INT x, INT y, COLORREF color, UINT type )
 265 {
 266     return TRUE;
 267 }
 268
 269 static BOOL nulldrv_FontIsLinked( PHYSDEV dev )
 270 {
 271     return FALSE;
 272 }
 273
 274 static BOOL nulldrv_GdiComment( PHYSDEV dev, UINT size, const BYTE *data )
 275 {
 276     return FALSE;
 277 }
 278
 279 static UINT nulldrv_GetBoundsRect( PHYSDEV dev, RECT *rect, UINT flags )
 280 {
 281     return DCB_RESET;
 282 }
 283
 284 static BOOL nulldrv_GetCharABCWidths( PHYSDEV dev, UINT first, UINT last, LPABC abc )
 285 {
 286     return FALSE;
 287 }
 288
 289 static BOOL nulldrv_GetCharABCWidthsI( PHYSDEV dev, UINT first, UINT count, WORD *indices, LPABC abc )
 290 {
 291     return FALSE;
 292 }
 293
 294 static BOOL nulldrv_GetCharWidth( PHYSDEV dev, UINT first, UINT last, INT *buffer )
 295 {
 296     return FALSE;
 297 }
 298
 299 static INT nulldrv_GetDeviceCaps( PHYSDEV dev, INT cap )
 300 {
 301     int bpp;
 302
 303     switch (cap)
 304     {
 305     case DRIVERVERSION:   return 0x4000;
 306     case TECHNOLOGY:      return DT_RASDISPLAY;
 307     case HORZSIZE:        return MulDiv( GetDeviceCaps( dev->hdc, HORZRES ), 254,
 308                                          GetDeviceCaps( dev->hdc, LOGPIXELSX ) * 10 );
 309     case VERTSIZE:        return MulDiv( GetDeviceCaps( dev->hdc, VERTRES ), 254,
 310                                          GetDeviceCaps( dev->hdc, LOGPIXELSY ) * 10 );
 311     case HORZRES:         return 640;
 312     case VERTRES:         return 480;
 313     case BITSPIXEL:       return 32;
 314     case PLANES:          return 1;
 315     case NUMBRUSHES:      return -1;
 316     case NUMPENS:         return -1;
 317     case NUMMARKERS:      return 0;
 318     case NUMFONTS:        return 0;
 319     case PDEVICESIZE:     return 0;
 320     case CURVECAPS:       return (CC_CIRCLES | CC_PIE | CC_CHORD | CC_ELLIPSES | CC_WIDE |
 321                                   CC_STYLED | CC_WIDESTYLED | CC_INTERIORS | CC_ROUNDRECT);
 322     case LINECAPS:        return (LC_POLYLINE | LC_MARKER | LC_POLYMARKER | LC_WIDE |
 323                                   LC_STYLED | LC_WIDESTYLED | LC_INTERIORS);
 324     case POLYGONALCAPS:   return (PC_POLYGON | PC_RECTANGLE | PC_WINDPOLYGON | PC_SCANLINE |
 325                                   PC_WIDE | PC_STYLED | PC_WIDESTYLED | PC_INTERIORS);
 326     case TEXTCAPS:        return (TC_OP_CHARACTER | TC_OP_STROKE | TC_CP_STROKE |
 327                                   TC_CR_ANY | TC_SF_X_YINDEP | TC_SA_DOUBLE | TC_SA_INTEGER |
 328                                   TC_SA_CONTIN | TC_UA_ABLE | TC_SO_ABLE | TC_RA_ABLE | TC_VA_ABLE);
 329     case CLIPCAPS:        return CP_RECTANGLE;
 330     case RASTERCAPS:      return (RC_BITBLT | RC_BITMAP64 | RC_GDI20_OUTPUT | RC_DI_BITMAP | RC_DIBTODEV |
 331                                   RC_BIGFONT | RC_STRETCHBLT | RC_FLOODFILL | RC_STRETCHDIB | RC_DEVBITS |
 332                                   (GetDeviceCaps( dev->hdc, SIZEPALETTE ) ? RC_PALETTE : 0));
 333     case ASPECTX:         return 36;
 334     case ASPECTY:         return 36;
 335     case ASPECTXY:        return (int)(hypot( GetDeviceCaps( dev->hdc, ASPECTX ),
 336                                               GetDeviceCaps( dev->hdc, ASPECTY )) + 0.5);
 337     case CAPS1:           return 0;
 338     case SIZEPALETTE:     return 0;
 339     case NUMRESERVED:     return 20;
 340     case PHYSICALWIDTH:   return 0;
 341     case PHYSICALHEIGHT:  return 0;
 342     case PHYSICALOFFSETX: return 0;
 343     case PHYSICALOFFSETY: return 0;
 344     case SCALINGFACTORX:  return 0;
 345     case SCALINGFACTORY:  return 0;
 346     case VREFRESH:        return GetDeviceCaps( dev->hdc, TECHNOLOGY ) == DT_RASDISPLAY ? 1 : 0;
 347     case DESKTOPVERTRES:  return GetDeviceCaps( dev->hdc, VERTRES );
 348     case DESKTOPHORZRES:  return GetDeviceCaps( dev->hdc, HORZRES );
 349     case BLTALIGNMENT:    return 0;
 350     case SHADEBLENDCAPS:  return 0;
 351     case COLORMGMTCAPS:   return 0;
 352     case LOGPIXELSX:
 353     case LOGPIXELSY:      return get_system_dpi();
 354     case NUMCOLORS:
 355         bpp = GetDeviceCaps( dev->hdc, BITSPIXEL );
 356         return (bpp > 8) ? -1 : (1 << bpp);
 357     case COLORRES:
 358         /* The observed correspondence between BITSPIXEL and COLORRES is:
 359          * BITSPIXEL: 8  -> COLORRES: 18
 360          * BITSPIXEL: 16 -> COLORRES: 16
 361          * BITSPIXEL: 24 -> COLORRES: 24
 362          * BITSPIXEL: 32 -> COLORRES: 24 */
 363         bpp = GetDeviceCaps( dev->hdc, BITSPIXEL );
 364         return (bpp <= 8) ? 18 : min( 24, bpp );
 365     default:
 366         FIXME("(%p): unsupported capability %d, will return 0\n", dev->hdc, cap );
 367         return 0;
 368     }
 369 }
 370
 371 static BOOL nulldrv_GetDeviceGammaRamp( PHYSDEV dev, void *ramp )
 372 {
 373     SetLastError( ERROR_INVALID_PARAMETER );
 374     return FALSE;
 375 }
 376
 377 static DWORD nulldrv_GetFontData( PHYSDEV dev, DWORD table, DWORD offset, LPVOID buffer, DWORD length )
 378 {
 379     return FALSE;
 380 }
 381
 382 static BOOL nulldrv_GetFontRealizationInfo( PHYSDEV dev, void *info )
 383 {
 384     return FALSE;
 385 }
 386
 387 static DWORD nulldrv_GetFontUnicodeRanges( PHYSDEV dev, LPGLYPHSET glyphs )
 388 {
 389     return 0;
 390 }
 391
 392 static DWORD nulldrv_GetGlyphIndices( PHYSDEV dev, LPCWSTR str, INT count, LPWORD indices, DWORD flags )
 393 {
 394     return GDI_ERROR;
 395 }
 396
 397 static DWORD nulldrv_GetGlyphOutline( PHYSDEV dev, UINT ch, UINT format, LPGLYPHMETRICS metrics,
 398                                       DWORD size, LPVOID buffer, const MAT2 *mat )
 399 {
 400     return GDI_ERROR;
 401 }
 402
 403 static BOOL nulldrv_GetICMProfile( PHYSDEV dev, LPDWORD size, LPWSTR filename )
 404 {
 405     return FALSE;
 406 }
 407
 408 static DWORD nulldrv_GetImage( PHYSDEV dev, BITMAPINFO *info, struct gdi_image_bits *bits,
 409                                struct bitblt_coords *src )
 410 {
 411     return ERROR_NOT_SUPPORTED;
 412 }
 413
 414 static DWORD nulldrv_GetKerningPairs( PHYSDEV dev, DWORD count, LPKERNINGPAIR pairs )
 415 {
 416     return 0;
 417 }
 418
 419 static UINT nulldrv_GetOutlineTextMetrics( PHYSDEV dev, UINT size, LPOUTLINETEXTMETRICW otm )
 420 {
 421     return 0;
 422 }
 423
 424 static UINT nulldrv_GetTextCharsetInfo( PHYSDEV dev, LPFONTSIGNATURE fs, DWORD flags )
 425 {
 426     return DEFAULT_CHARSET;
 427 }
 428
 429 static BOOL nulldrv_GetTextExtentExPoint( PHYSDEV dev, LPCWSTR str, INT count, INT *dx )
 430 {
 431     return FALSE;
 432 }
 433
 434 static BOOL nulldrv_GetTextExtentExPointI( PHYSDEV dev, const WORD *indices, INT count, INT *dx )
 435 {
 436     return FALSE;
 437 }
 438
 439 static INT nulldrv_GetTextFace( PHYSDEV dev, INT size, LPWSTR name )
 440 {
 441     INT ret = 0;
 442     LOGFONTW font;
 443     DC *dc = get_nulldrv_dc( dev );
 444
 445     if (GetObjectW( dc->hFont, sizeof(font), &font ))
 446     {
 447         ret = strlenW( font.lfFaceName ) + 1;
 448         if (name)
 449         {
 450             lstrcpynW( name, font.lfFaceName, size );
 451             ret = min( size, ret );
 452         }
 453     }
 454     return ret;
 455 }
 456
 457 static BOOL nulldrv_GetTextMetrics( PHYSDEV dev, TEXTMETRICW *metrics )
 458 {
 459     return FALSE;
 460 }
 461
 462 static BOOL nulldrv_LineTo( PHYSDEV dev, INT x, INT y )
 463 {
 464     return TRUE;
 465 }
 466
 467 static BOOL nulldrv_MoveTo( PHYSDEV dev, INT x, INT y )
 468 {
 469     return TRUE;
 470 }
 471
 472 static BOOL nulldrv_PaintRgn( PHYSDEV dev, HRGN rgn )
 473 {
 474     return TRUE;
 475 }
 476
 477 static BOOL nulldrv_PatBlt( PHYSDEV dev, struct bitblt_coords *dst, DWORD rop )
 478 {
 479     return TRUE;
 480 }
 481
 482 static BOOL nulldrv_Pie( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
 483                          INT xstart, INT ystart, INT xend, INT yend )
 484 {
 485     return TRUE;
 486 }
 487
 488 static BOOL nulldrv_PolyPolygon( PHYSDEV dev, const POINT *points, const INT *counts, UINT polygons )
 489 {
 490     return TRUE;
 491 }
 492
 493 static BOOL nulldrv_PolyPolyline( PHYSDEV dev, const POINT *points, const DWORD *counts, DWORD lines )
 494 {
 495     return TRUE;
 496 }
 497
 498 static BOOL nulldrv_Polygon( PHYSDEV dev, const POINT *points, INT count )
 499 {
 500     INT counts[1] = { count };
 501
 502     return PolyPolygon( dev->hdc, points, counts, 1 );
 503 }
 504
 505 static BOOL nulldrv_Polyline( PHYSDEV dev, const POINT *points, INT count )
 506 {
 507     DWORD counts[1] = { count };
 508
 509     if (count < 0) return FALSE;
 510     return PolyPolyline( dev->hdc, points, counts, 1 );
 511 }
 512
 513 static DWORD nulldrv_PutImage( PHYSDEV dev, HRGN clip, BITMAPINFO *info,
 514                                const struct gdi_image_bits *bits, struct bitblt_coords *src,
 515                                struct bitblt_coords *dst, DWORD rop )
 516 {
 517     return ERROR_SUCCESS;
 518 }
 519
 520 static UINT nulldrv_RealizeDefaultPalette( PHYSDEV dev )
 521 {
 522     return 0;
 523 }
 524
 525 static UINT nulldrv_RealizePalette( PHYSDEV dev, HPALETTE palette, BOOL primary )
 526 {
 527     return 0;
 528 }
 529
 530 static BOOL nulldrv_Rectangle( PHYSDEV dev, INT left, INT top, INT right, INT bottom )
 531 {
 532     return TRUE;
 533 }
 534
 535 static HDC nulldrv_ResetDC( PHYSDEV dev, const DEVMODEW *devmode )
 536 {
 537     return 0;
 538 }
 539
 540 static BOOL nulldrv_RoundRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
 541                                INT ell_width, INT ell_height )
 542 {
 543     return TRUE;
 544 }
 545
 546 static HBITMAP nulldrv_SelectBitmap( PHYSDEV dev, HBITMAP bitmap )
 547 {
 548     return bitmap;
 549 }
 550
 551 static HBRUSH nulldrv_SelectBrush( PHYSDEV dev, HBRUSH brush, const struct brush_pattern *pattern )
 552 {
 553     return brush;
 554 }
 555
 556 static HPALETTE nulldrv_SelectPalette( PHYSDEV dev, HPALETTE palette, BOOL bkgnd )
 557 {
 558     return palette;
 559 }
 560
 561 static HPEN nulldrv_SelectPen( PHYSDEV dev, HPEN pen, const struct brush_pattern *pattern )
 562 {
 563     return pen;
 564 }
 565
 566 static INT nulldrv_SetArcDirection( PHYSDEV dev, INT dir )
 567 {
 568     return dir;
 569 }
 570
 571 static COLORREF nulldrv_SetBkColor( PHYSDEV dev, COLORREF color )
 572 {
 573     return color;
 574 }
 575
 576 static INT nulldrv_SetBkMode( PHYSDEV dev, INT mode )
 577 {
 578     return mode;
 579 }
 580
 581 static UINT nulldrv_SetBoundsRect( PHYSDEV dev, RECT *rect, UINT flags )
 582 {
 583     return DCB_RESET;
 584 }
 585
 586 static COLORREF nulldrv_SetDCBrushColor( PHYSDEV dev, COLORREF color )
 587 {
 588     return color;
 589 }
 590
 591 static COLORREF nulldrv_SetDCPenColor( PHYSDEV dev, COLORREF color )
 592 {
 593     return color;
 594 }
 595
 596 static void nulldrv_SetDeviceClipping( PHYSDEV dev, HRGN rgn )
 597 {
 598 }
 599
 600 static DWORD nulldrv_SetLayout( PHYSDEV dev, DWORD layout )
 601 {
 602     return layout;
 603 }
 604
 605 static BOOL nulldrv_SetDeviceGammaRamp( PHYSDEV dev, void *ramp )
 606 {
 607     SetLastError( ERROR_INVALID_PARAMETER );
 608     return FALSE;
 609 }
 610
 611 static DWORD nulldrv_SetMapperFlags( PHYSDEV dev, DWORD flags )
 612 {
 613     return flags;
 614 }
 615
 616 static COLORREF nulldrv_SetPixel( PHYSDEV dev, INT x, INT y, COLORREF color )
 617 {
 618     return color;
 619 }
 620
 621 static INT nulldrv_SetPolyFillMode( PHYSDEV dev, INT mode )
 622 {
 623     return mode;
 624 }
 625
 626 static INT nulldrv_SetROP2( PHYSDEV dev, INT rop )
 627 {
 628     return rop;
 629 }
 630
 631 static INT nulldrv_SetRelAbs( PHYSDEV dev, INT mode )
 632 {
 633     return mode;
 634 }
 635
 636 static INT nulldrv_SetStretchBltMode( PHYSDEV dev, INT mode )
 637 {
 638     return mode;
 639 }
 640
 641 static UINT nulldrv_SetTextAlign( PHYSDEV dev, UINT align )
 642 {
 643     return align;
 644 }
 645
 646 static INT nulldrv_SetTextCharacterExtra( PHYSDEV dev, INT extra )
 647 {
 648     return extra;
 649 }
 650
 651 static COLORREF nulldrv_SetTextColor( PHYSDEV dev, COLORREF color )
 652 {
 653     return color;
 654 }
 655
 656 static BOOL nulldrv_SetTextJustification( PHYSDEV dev, INT extra, INT breaks )
 657 {
 658     return TRUE;
 659 }
 660
 661 static INT nulldrv_StartDoc( PHYSDEV dev, const DOCINFOW *info )
 662 {
 663     return 0;
 664 }
 665
 666 static INT nulldrv_StartPage( PHYSDEV dev )
 667 {
 668     return 1;
 669 }
 670
 671 static BOOL nulldrv_UnrealizePalette( HPALETTE palette )
 672 {
 673     return FALSE;
 674 }
 675
 676 static struct opengl_funcs *nulldrv_wine_get_wgl_driver( PHYSDEV dev, UINT version )
 677 {
 678     return (void *)-1;
 679 }
 680
 681 static const struct vulkan_funcs *nulldrv_wine_get_vulkan_driver( PHYSDEV dev, UINT version )
 682 {
 683     return NULL;
 684 }
 685
 686 const struct gdi_dc_funcs null_driver =
 687 {
 688     nulldrv_AbortDoc,                   /* pAbortDoc */
 689     nulldrv_AbortPath,                  /* pAbortPath */
 690     nulldrv_AlphaBlend,                 /* pAlphaBlend */
 691     nulldrv_AngleArc,                   /* pAngleArc */
 692     nulldrv_Arc,                        /* pArc */
 693     nulldrv_ArcTo,                      /* pArcTo */
 694     nulldrv_BeginPath,                  /* pBeginPath */
 695     nulldrv_BlendImage,                 /* pBlendImage */
 696     nulldrv_Chord,                      /* pChord */
 697     nulldrv_CloseFigure,                /* pCloseFigure */
 698     nulldrv_CreateCompatibleDC,         /* pCreateCompatibleDC */
 699     nulldrv_CreateDC,                   /* pCreateDC */
 700     nulldrv_DeleteDC,                   /* pDeleteDC */
 701     nulldrv_DeleteObject,               /* pDeleteObject */
 702     nulldrv_DeviceCapabilities,         /* pDeviceCapabilities */
 703     nulldrv_Ellipse,                    /* pEllipse */
 704     nulldrv_EndDoc,                     /* pEndDoc */
 705     nulldrv_EndPage,                    /* pEndPage */
 706     nulldrv_EndPath,                    /* pEndPath */
 707     nulldrv_EnumFonts,                  /* pEnumFonts */
 708     nulldrv_EnumICMProfiles,            /* pEnumICMProfiles */
 709     nulldrv_ExcludeClipRect,            /* pExcludeClipRect */
 710     nulldrv_ExtDeviceMode,              /* pExtDeviceMode */
 711     nulldrv_ExtEscape,                  /* pExtEscape */
 712     nulldrv_ExtFloodFill,               /* pExtFloodFill */
 713     nulldrv_ExtSelectClipRgn,           /* pExtSelectClipRgn */
 714     nulldrv_ExtTextOut,                 /* pExtTextOut */
 715     nulldrv_FillPath,                   /* pFillPath */
 716     nulldrv_FillRgn,                    /* pFillRgn */
 717     nulldrv_FlattenPath,                /* pFlattenPath */
 718     nulldrv_FontIsLinked,               /* pFontIsLinked */
 719     nulldrv_FrameRgn,                   /* pFrameRgn */
 720     nulldrv_GdiComment,                 /* pGdiComment */
 721     nulldrv_GetBoundsRect,              /* pGetBoundsRect */
 722     nulldrv_GetCharABCWidths,           /* pGetCharABCWidths */
 723     nulldrv_GetCharABCWidthsI,          /* pGetCharABCWidthsI */
 724     nulldrv_GetCharWidth,               /* pGetCharWidth */
 725     nulldrv_GetDeviceCaps,              /* pGetDeviceCaps */
 726     nulldrv_GetDeviceGammaRamp,         /* pGetDeviceGammaRamp */
 727     nulldrv_GetFontData,                /* pGetFontData */
 728     nulldrv_GetFontRealizationInfo,     /* pGetFontRealizationInfo */
 729     nulldrv_GetFontUnicodeRanges,       /* pGetFontUnicodeRanges */
 730     nulldrv_GetGlyphIndices,            /* pGetGlyphIndices */
 731     nulldrv_GetGlyphOutline,            /* pGetGlyphOutline */
 732     nulldrv_GetICMProfile,              /* pGetICMProfile */
 733     nulldrv_GetImage,                   /* pGetImage */
 734     nulldrv_GetKerningPairs,            /* pGetKerningPairs */
 735     nulldrv_GetNearestColor,            /* pGetNearestColor */
 736     nulldrv_GetOutlineTextMetrics,      /* pGetOutlineTextMetrics */
 737     nulldrv_GetPixel,                   /* pGetPixel */
 738     nulldrv_GetSystemPaletteEntries,    /* pGetSystemPaletteEntries */
 739     nulldrv_GetTextCharsetInfo,         /* pGetTextCharsetInfo */
 740     nulldrv_GetTextExtentExPoint,       /* pGetTextExtentExPoint */
 741     nulldrv_GetTextExtentExPointI,      /* pGetTextExtentExPointI */
 742     nulldrv_GetTextFace,                /* pGetTextFace */
 743     nulldrv_GetTextMetrics,             /* pGetTextMetrics */
 744     nulldrv_GradientFill,               /* pGradientFill */
 745     nulldrv_IntersectClipRect,          /* pIntersectClipRect */
 746     nulldrv_InvertRgn,                  /* pInvertRgn */
 747     nulldrv_LineTo,                     /* pLineTo */
 748     nulldrv_ModifyWorldTransform,       /* pModifyWorldTransform */
 749     nulldrv_MoveTo,                     /* pMoveTo */
 750     nulldrv_OffsetClipRgn,              /* pOffsetClipRgn */
 751     nulldrv_OffsetViewportOrgEx,        /* pOffsetViewportOrg */
 752     nulldrv_OffsetWindowOrgEx,          /* pOffsetWindowOrg */
 753     nulldrv_PaintRgn,                   /* pPaintRgn */
 754     nulldrv_PatBlt,                     /* pPatBlt */
 755     nulldrv_Pie,                        /* pPie */
 756     nulldrv_PolyBezier,                 /* pPolyBezier */
 757     nulldrv_PolyBezierTo,               /* pPolyBezierTo */
 758     nulldrv_PolyDraw,                   /* pPolyDraw */
 759     nulldrv_PolyPolygon,                /* pPolyPolygon */
 760     nulldrv_PolyPolyline,               /* pPolyPolyline */
 761     nulldrv_Polygon,                    /* pPolygon */
 762     nulldrv_Polyline,                   /* pPolyline */
 763     nulldrv_PolylineTo,                 /* pPolylineTo */
 764     nulldrv_PutImage,                   /* pPutImage */
 765     nulldrv_RealizeDefaultPalette,      /* pRealizeDefaultPalette */
 766     nulldrv_RealizePalette,             /* pRealizePalette */
 767     nulldrv_Rectangle,                  /* pRectangle */
 768     nulldrv_ResetDC,                    /* pResetDC */
 769     nulldrv_RestoreDC,                  /* pRestoreDC */
 770     nulldrv_RoundRect,                  /* pRoundRect */
 771     nulldrv_SaveDC,                     /* pSaveDC */
 772     nulldrv_ScaleViewportExtEx,         /* pScaleViewportExt */
 773     nulldrv_ScaleWindowExtEx,           /* pScaleWindowExt */
 774     nulldrv_SelectBitmap,               /* pSelectBitmap */
 775     nulldrv_SelectBrush,                /* pSelectBrush */
 776     nulldrv_SelectClipPath,             /* pSelectClipPath */
 777     nulldrv_SelectFont,                 /* pSelectFont */
 778     nulldrv_SelectPalette,              /* pSelectPalette */
 779     nulldrv_SelectPen,                  /* pSelectPen */
 780     nulldrv_SetArcDirection,            /* pSetArcDirection */
 781     nulldrv_SetBkColor,                 /* pSetBkColor */
 782     nulldrv_SetBkMode,                  /* pSetBkMode */
 783     nulldrv_SetBoundsRect,              /* pSetBoundsRect */
 784     nulldrv_SetDCBrushColor,            /* pSetDCBrushColor */
 785     nulldrv_SetDCPenColor,              /* pSetDCPenColor */
 786     nulldrv_SetDIBitsToDevice,          /* pSetDIBitsToDevice */
 787     nulldrv_SetDeviceClipping,          /* pSetDeviceClipping */
 788     nulldrv_SetDeviceGammaRamp,         /* pSetDeviceGammaRamp */
 789     nulldrv_SetLayout,                  /* pSetLayout */
 790     nulldrv_SetMapMode,                 /* pSetMapMode */
 791     nulldrv_SetMapperFlags,             /* pSetMapperFlags */
 792     nulldrv_SetPixel,                   /* pSetPixel */
 793     nulldrv_SetPolyFillMode,            /* pSetPolyFillMode */
 794     nulldrv_SetROP2,                    /* pSetROP2 */
 795     nulldrv_SetRelAbs,                  /* pSetRelAbs */
 796     nulldrv_SetStretchBltMode,          /* pSetStretchBltMode */
 797     nulldrv_SetTextAlign,               /* pSetTextAlign */
 798     nulldrv_SetTextCharacterExtra,      /* pSetTextCharacterExtra */
 799     nulldrv_SetTextColor,               /* pSetTextColor */
 800     nulldrv_SetTextJustification,       /* pSetTextJustification */
 801     nulldrv_SetViewportExtEx,           /* pSetViewportExt */
 802     nulldrv_SetViewportOrgEx,           /* pSetViewportOrg */
 803     nulldrv_SetWindowExtEx,             /* pSetWindowExt */
 804     nulldrv_SetWindowOrgEx,             /* pSetWindowOrg */
 805     nulldrv_SetWorldTransform,          /* pSetWorldTransform */
 806     nulldrv_StartDoc,                   /* pStartDoc */
 807     nulldrv_StartPage,                  /* pStartPage */
 808     nulldrv_StretchBlt,                 /* pStretchBlt */
 809     nulldrv_StretchDIBits,              /* pStretchDIBits */
 810     nulldrv_StrokeAndFillPath,          /* pStrokeAndFillPath */
 811     nulldrv_StrokePath,                 /* pStrokePath */
 812     nulldrv_UnrealizePalette,           /* pUnrealizePalette */
 813     nulldrv_WidenPath,                  /* pWidenPath */
 814     nulldrv_wine_get_wgl_driver,        /* wine_get_wgl_driver */
 815     nulldrv_wine_get_vulkan_driver,     /* wine_get_vulkan_driver */
 816
 817     GDI_PRIORITY_NULL_DRV               /* priority */
 818 };
 819
 820
 821 /*****************************************************************************
 822  *      DRIVER_GetDriverName
 823  *
 824  */
 825 BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size )
 826 {
 827     static const WCHAR displayW[] = { 'd','i','s','p','l','a','y',0 };
 828     static const WCHAR devicesW[] = { 'd','e','v','i','c','e','s',0 };
 829     static const WCHAR display1W[] = {'\\','\\','.','\\','D','I','S','P','L','A','Y','1',0};
 830     static const WCHAR empty_strW[] = { 0 };
 831     WCHAR *p;
 832
 833     /* display is a special case */
 834     if (!strcmpiW( device, displayW ) ||
 835         !strcmpiW( device, display1W ))
 836     {
 837         lstrcpynW( driver, displayW, size );
 838         return TRUE;
 839     }
 840
 841     size = GetProfileStringW(devicesW, device, empty_strW, driver, size);
 842     if(!size) {
 843         WARN("Unable to find %s in [devices] section of win.ini\n", debugstr_w(device));
 844         return FALSE;
 845     }
 846     p = strchrW(driver, ',');
 847     if(!p)
 848     {
 849         WARN("%s entry in [devices] section of win.ini is malformed.\n", debugstr_w(device));
 850         return FALSE;
 851     }
 852     *p = 0;
 853     TRACE("Found %s for %s\n", debugstr_w(driver), debugstr_w(device));
 854     return TRUE;
 855 }
 856
 857
 858 /***********************************************************************
 859  *           GdiConvertToDevmodeW    (GDI32.@)
 860  */
 861 DEVMODEW * WINAPI GdiConvertToDevmodeW(const DEVMODEA *dmA)
 862 {
 863     DEVMODEW *dmW;
 864     WORD dmW_size, dmA_size;
 865
 866     dmA_size = dmA->dmSize;
 867
 868     /* this is the minimal dmSize that XP accepts */
 869     if (dmA_size < FIELD_OFFSET(DEVMODEA, dmFields))
 870         return NULL;
 871
 872     if (dmA_size > sizeof(DEVMODEA))
 873         dmA_size = sizeof(DEVMODEA);
 874
 875     dmW_size = dmA_size + CCHDEVICENAME;
 876     if (dmA_size >= FIELD_OFFSET(DEVMODEA, dmFormName) + CCHFORMNAME)
 877         dmW_size += CCHFORMNAME;
 878
 879     dmW = HeapAlloc(GetProcessHeap(), 0, dmW_size + dmA->dmDriverExtra);
 880     if (!dmW) return NULL;
 881
 882     MultiByteToWideChar(CP_ACP, 0, (const char*) dmA->dmDeviceName, -1,
 883                                    dmW->dmDeviceName, CCHDEVICENAME);
 884     /* copy slightly more, to avoid long computations */
 885     memcpy(&dmW->dmSpecVersion, &dmA->dmSpecVersion, dmA_size - CCHDEVICENAME);
 886
 887     if (dmA_size >= FIELD_OFFSET(DEVMODEA, dmFormName) + CCHFORMNAME)
 888     {
 889         if (dmA->dmFields & DM_FORMNAME)
 890             MultiByteToWideChar(CP_ACP, 0, (const char*) dmA->dmFormName, -1,
 891                                        dmW->dmFormName, CCHFORMNAME);
 892         else
 893             dmW->dmFormName[0] = 0;
 894
 895         if (dmA_size > FIELD_OFFSET(DEVMODEA, dmLogPixels))
 896             memcpy(&dmW->dmLogPixels, &dmA->dmLogPixels, dmA_size - FIELD_OFFSET(DEVMODEA, dmLogPixels));
 897     }
 898
 899     if (dmA->dmDriverExtra)
 900         memcpy((char *)dmW + dmW_size, (const char *)dmA + dmA_size, dmA->dmDriverExtra);
 901
 902     dmW->dmSize = dmW_size;
 903
 904     return dmW;
 905 }
 906
 907
 908 /*****************************************************************************
 909  *      @ [GDI32.100]
 910  *
 911  * This should thunk to 16-bit and simply call the proc with the given args.
 912  */
 913 INT WINAPI GDI_CallDevInstall16( FARPROC16 lpfnDevInstallProc, HWND hWnd,
 914                                  LPSTR lpModelName, LPSTR OldPort, LPSTR NewPort )
 915 {
 916     FIXME("(%p, %p, %s, %s, %s)\n", lpfnDevInstallProc, hWnd, lpModelName, OldPort, NewPort );
 917     return -1;
 918 }
 919
 920 /*****************************************************************************
 921  *      @ [GDI32.101]
 922  *
 923  * This should load the correct driver for lpszDevice and calls this driver's
 924  * ExtDeviceModePropSheet proc.
 925  *
 926  * Note: The driver calls a callback routine for each property sheet page; these
 927  * pages are supposed to be filled into the structure pointed to by lpPropSheet.
 928  * The layout of this structure is:
 929  *
 930  * struct
 931  * {
 932  *   DWORD  nPages;
 933  *   DWORD  unknown;
 934  *   HPROPSHEETPAGE  pages[10];
 935  * };
 936  */
 937 INT WINAPI GDI_CallExtDeviceModePropSheet16( HWND hWnd, LPCSTR lpszDevice,
 938                                              LPCSTR lpszPort, LPVOID lpPropSheet )
 939 {
 940     FIXME("(%p, %s, %s, %p)\n", hWnd, lpszDevice, lpszPort, lpPropSheet );
 941     return -1;
 942 }
 943
 944 /*****************************************************************************
 945  *      @ [GDI32.102]
 946  *
 947  * This should load the correct driver for lpszDevice and call this driver's
 948  * ExtDeviceMode proc.
 949  *
 950  * FIXME: convert ExtDeviceMode to unicode in the driver interface
 951  */
 952 INT WINAPI GDI_CallExtDeviceMode16( HWND hwnd,
 953                                     LPDEVMODEA lpdmOutput, LPSTR lpszDevice,
 954                                     LPSTR lpszPort, LPDEVMODEA lpdmInput,
 955                                     LPSTR lpszProfile, DWORD fwMode )
 956 {
 957     WCHAR deviceW[300];
 958     WCHAR bufW[300];
 959     char buf[300];
 960     HDC hdc;
 961     DC *dc;
 962     INT ret = -1;
 963
 964     TRACE("(%p, %p, %s, %s, %p, %s, %d)\n",
 965           hwnd, lpdmOutput, lpszDevice, lpszPort, lpdmInput, lpszProfile, fwMode );
 966
 967     if (!lpszDevice) return -1;
 968     if (!MultiByteToWideChar(CP_ACP, 0, lpszDevice, -1, deviceW, 300)) return -1;
 969
 970     if(!DRIVER_GetDriverName( deviceW, bufW, 300 )) return -1;
 971
 972     if (!WideCharToMultiByte(CP_ACP, 0, bufW, -1, buf, 300, NULL, NULL)) return -1;
 973
 974     if (!(hdc = CreateICA( buf, lpszDevice, lpszPort, NULL ))) return -1;
 975
 976     if ((dc = get_dc_ptr( hdc )))
 977     {
 978         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pExtDeviceMode );
 979         ret = physdev->funcs->pExtDeviceMode( buf, hwnd, lpdmOutput, lpszDevice, lpszPort,
 980                                               lpdmInput, lpszProfile, fwMode );
 981         release_dc_ptr( dc );
 982     }
 983     DeleteDC( hdc );
 984     return ret;
 985 }
 986
 987 /****************************************************************************
 988  *      @ [GDI32.103]
 989  *
 990  * This should load the correct driver for lpszDevice and calls this driver's
 991  * AdvancedSetupDialog proc.
 992  */
 993 INT WINAPI GDI_CallAdvancedSetupDialog16( HWND hwnd, LPSTR lpszDevice,
 994                                           LPDEVMODEA devin, LPDEVMODEA devout )
 995 {
 996     TRACE("(%p, %s, %p, %p)\n", hwnd, lpszDevice, devin, devout );
 997     return -1;
 998 }
 999
1000 /*****************************************************************************
1001  *      @ [GDI32.104]
1002  *
1003  * This should load the correct driver for lpszDevice and calls this driver's
1004  * DeviceCapabilities proc.
1005  *
1006  * FIXME: convert DeviceCapabilities to unicode in the driver interface
1007  */
1008 DWORD WINAPI GDI_CallDeviceCapabilities16( LPCSTR lpszDevice, LPCSTR lpszPort,
1009                                            WORD fwCapability, LPSTR lpszOutput,
1010                                            LPDEVMODEA lpdm )
1011 {
1012     WCHAR deviceW[300];
1013     WCHAR bufW[300];
1014     char buf[300];
1015     HDC hdc;
1016     DC *dc;
1017     INT ret = -1;
1018
1019     TRACE("(%s, %s, %d, %p, %p)\n", lpszDevice, lpszPort, fwCapability, lpszOutput, lpdm );
1020
1021     if (!lpszDevice) return -1;
1022     if (!MultiByteToWideChar(CP_ACP, 0, lpszDevice, -1, deviceW, 300)) return -1;
1023
1024     if(!DRIVER_GetDriverName( deviceW, bufW, 300 )) return -1;
1025
1026     if (!WideCharToMultiByte(CP_ACP, 0, bufW, -1, buf, 300, NULL, NULL)) return -1;
1027
1028     if (!(hdc = CreateICA( buf, lpszDevice, lpszPort, NULL ))) return -1;
1029
1030     if ((dc = get_dc_ptr( hdc )))
1031     {
1032         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pDeviceCapabilities );
1033         ret = physdev->funcs->pDeviceCapabilities( buf, lpszDevice, lpszPort,
1034                                                    fwCapability, lpszOutput, lpdm );
1035         release_dc_ptr( dc );
1036     }
1037     DeleteDC( hdc );
1038     return ret;
1039 }
1040
1041
1042 /************************************************************************
1043  *             Escape  [GDI32.@]
1044  */
1045 INT WINAPI Escape( HDC hdc, INT escape, INT in_count, LPCSTR in_data, LPVOID out_data )
1046 {
1047     INT ret;
1048     POINT *pt;
1049
1050     switch (escape)
1051     {
1052     case ABORTDOC:
1053         return AbortDoc( hdc );
1054
1055     case ENDDOC:
1056         return EndDoc( hdc );
1057
1058     case GETPHYSPAGESIZE:
1059         pt = out_data;
1060         pt->x = GetDeviceCaps( hdc, PHYSICALWIDTH );
1061         pt->y = GetDeviceCaps( hdc, PHYSICALHEIGHT );
1062         return 1;
1063
1064     case GETPRINTINGOFFSET:
1065         pt = out_data;
1066         pt->x = GetDeviceCaps( hdc, PHYSICALOFFSETX );
1067         pt->y = GetDeviceCaps( hdc, PHYSICALOFFSETY );
1068         return 1;
1069
1070     case GETSCALINGFACTOR:
1071         pt = out_data;
1072         pt->x = GetDeviceCaps( hdc, SCALINGFACTORX );
1073         pt->y = GetDeviceCaps( hdc, SCALINGFACTORY );
1074         return 1;
1075
1076     case NEWFRAME:
1077         return EndPage( hdc );
1078
1079     case SETABORTPROC:
1080         return SetAbortProc( hdc, (ABORTPROC)in_data );
1081
1082     case STARTDOC:
1083         {
1084             DOCINFOA doc;
1085             char *name = NULL;
1086
1087             /* in_data may not be 0 terminated so we must copy it */
1088             if (in_data)
1089             {
1090                 name = HeapAlloc( GetProcessHeap(), 0, in_count+1 );
1091                 memcpy( name, in_data, in_count );
1092                 name[in_count] = 0;
1093             }
1094             /* out_data is actually a pointer to the DocInfo structure and used as
1095              * a second input parameter */
1096             if (out_data) doc = *(DOCINFOA *)out_data;
1097             else
1098             {
1099                 doc.cbSize = sizeof(doc);
1100                 doc.lpszOutput = NULL;
1101                 doc.lpszDatatype = NULL;
1102                 doc.fwType = 0;
1103             }
1104             doc.lpszDocName = name;
1105             ret = StartDocA( hdc, &doc );
1106             HeapFree( GetProcessHeap(), 0, name );
1107             if (ret > 0) ret = StartPage( hdc );
1108             return ret;
1109         }
1110
1111     case QUERYESCSUPPORT:
1112         {
1113             DWORD code;
1114
1115             if (in_count < sizeof(SHORT)) return 0;
1116             code = (in_count < sizeof(DWORD)) ? *(const USHORT *)in_data : *(const DWORD *)in_data;
1117             switch (code)
1118             {
1119             case ABORTDOC:
1120             case ENDDOC:
1121             case GETPHYSPAGESIZE:
1122             case GETPRINTINGOFFSET:
1123             case GETSCALINGFACTOR:
1124             case NEWFRAME:
1125             case QUERYESCSUPPORT:
1126             case SETABORTPROC:
1127             case STARTDOC:
1128                 return TRUE;
1129             }
1130             break;
1131         }
1132     }
1133
1134     /* if not handled internally, pass it to the driver */
1135     return ExtEscape( hdc, escape, in_count, in_data, 0, out_data );
1136 }
1137
1138
1139 /******************************************************************************
1140  *              ExtEscape       [GDI32.@]
1141  *
1142  * Access capabilities of a particular device that are not available through GDI.
1143  *
1144  * PARAMS
1145  *    hdc         [I] Handle to device context
1146  *    nEscape     [I] Escape function
1147  *    cbInput     [I] Number of bytes in input structure
1148  *    lpszInData  [I] Pointer to input structure
1149  *    cbOutput    [I] Number of bytes in output structure
1150  *    lpszOutData [O] Pointer to output structure
1151  *
1152  * RETURNS
1153  *    Success: >0
1154  *    Not implemented: 0
1155  *    Failure: <0
1156  */
1157 INT WINAPI ExtEscape( HDC hdc, INT nEscape, INT cbInput, LPCSTR lpszInData,
1158                       INT cbOutput, LPSTR lpszOutData )
1159 {
1160     PHYSDEV physdev;
1161     INT ret;
1162     DC * dc = get_dc_ptr( hdc );
1163
1164     if (!dc) return 0;
1165     update_dc( dc );
1166     physdev = GET_DC_PHYSDEV( dc, pExtEscape );
1167     ret = physdev->funcs->pExtEscape( physdev, nEscape, cbInput, lpszInData, cbOutput, lpszOutData );
1168     release_dc_ptr( dc );
1169     return ret;
1170 }
1171
1172
1173 /*******************************************************************
1174  *      DrawEscape [GDI32.@]
1175  *
1176  *
1177  */
1178 INT WINAPI DrawEscape(HDC hdc, INT nEscape, INT cbInput, LPCSTR lpszInData)
1179 {
1180     FIXME("DrawEscape, stub\n");
1181     return 0;
1182 }
1183
1184 /*******************************************************************
1185  *      NamedEscape [GDI32.@]
1186  */
1187 INT WINAPI NamedEscape( HDC hdc, LPCWSTR pDriver, INT nEscape, INT cbInput, LPCSTR lpszInData,
1188                         INT cbOutput, LPSTR lpszOutData )
1189 {
1190     FIXME("(%p, %s, %d, %d, %p, %d, %p)\n",
1191           hdc, wine_dbgstr_w(pDriver), nEscape, cbInput, lpszInData, cbOutput,
1192           lpszOutData);
1193     return 0;
1194 }
1195
1196 /*******************************************************************
1197  *      DdQueryDisplaySettingsUniqueness [GDI32.@]
1198  *      GdiEntry13                       [GDI32.@]
1199  */
1200 ULONG WINAPI DdQueryDisplaySettingsUniqueness(VOID)
1201 {
1202     static int warn_once;
1203
1204     if (!warn_once++)
1205         FIXME("stub\n");
1206     return 0;
1207 }
1208
1209 /******************************************************************************
1210  *              D3DKMTOpenAdapterFromHdc [GDI32.@]
1211  */
1212 NTSTATUS WINAPI D3DKMTOpenAdapterFromHdc( void *pData )
1213 {
1214     FIXME("(%p): stub\n", pData);
1215     return STATUS_NO_MEMORY;
1216 }
1217
1218 /******************************************************************************
1219  *              D3DKMTEscape [GDI32.@]
1220  */
1221 NTSTATUS WINAPI D3DKMTEscape( const void *pData )
1222 {
1223     FIXME("(%p): stub\n", pData);
1224     return STATUS_NO_MEMORY;
1225 }