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 "winuser.h"
  34 #include "winternl.h"
  35
  36 #include "gdi_private.h"
  37 #include "wine/unicode.h"
  38 #include "wine/list.h"
  39 #include "wine/debug.h"
  40
  41 WINE_DEFAULT_DEBUG_CHANNEL(driver);
  42
  43 struct graphics_driver
  44 {
  45     struct list                entry;
  46     HMODULE                    module;  /* module handle */
  47     const struct gdi_dc_funcs *funcs;
  48 };
  49
  50 static struct list drivers = LIST_INIT( drivers );
  51 static struct graphics_driver *display_driver;
  52
  53 const struct gdi_dc_funcs *font_driver = NULL;
  54
  55 static CRITICAL_SECTION driver_section;
  56 static CRITICAL_SECTION_DEBUG critsect_debug =
  57 {
  58     0, 0, &driver_section,
  59     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
  60       0, 0, { (DWORD_PTR)(__FILE__ ": driver_section") }
  61 };
  62 static CRITICAL_SECTION driver_section = { &critsect_debug, -1, 0, 0, 0, 0 };
  63
  64 static typeof(GetDesktopWindow) *pGetDesktopWindow;
  65 static typeof(GetSystemMetrics) *pGetSystemMetrics;
  66 static typeof(SetThreadDpiAwarenessContext) *pSetThreadDpiAwarenessContext;
  67
  68 /**********************************************************************
  69  *           create_driver
  70  *
  71  * Allocate and fill the driver structure for a given module.
  72  */
  73 static struct graphics_driver *create_driver( HMODULE module )
  74 {
  75     static const struct gdi_dc_funcs empty_funcs;
  76     const struct gdi_dc_funcs *funcs = NULL;
  77     struct graphics_driver *driver;
  78
  79     if (!(driver = HeapAlloc( GetProcessHeap(), 0, sizeof(*driver)))) return NULL;
  80     driver->module = module;
  81
  82     if (module)
  83     {
  84         const struct gdi_dc_funcs * (CDECL *wine_get_gdi_driver)( unsigned int version );
  85
  86         if ((wine_get_gdi_driver = (void *)GetProcAddress( module, "wine_get_gdi_driver" )))
  87             funcs = wine_get_gdi_driver( WINE_GDI_DRIVER_VERSION );
  88     }
  89     if (!funcs) funcs = &empty_funcs;
  90     driver->funcs = funcs;
  91     return driver;
  92 }
  93
  94
  95 /**********************************************************************
  96  *           get_display_driver
  97  *
  98  * Special case for loading the display driver: get the name from the config file
  99  */
 100 static const struct gdi_dc_funcs *get_display_driver(void)
 101 {
 102     if (!display_driver)
 103     {
 104         HMODULE user32 = LoadLibraryA( "user32.dll" );
 105         pGetDesktopWindow = (void *)GetProcAddress( user32, "GetDesktopWindow" );
 106
 107         if (!pGetDesktopWindow() || !display_driver)
 108         {
 109             WARN( "failed to load the display driver, falling back to null driver\n" );
 110             __wine_set_display_driver( 0 );
 111         }
 112     }
 113     return display_driver->funcs;
 114 }
 115
 116
 117 /**********************************************************************
 118  *           DRIVER_load_driver
 119  */
 120 const struct gdi_dc_funcs *DRIVER_load_driver( LPCWSTR name )
 121 {
 122     HMODULE module;
 123     struct graphics_driver *driver, *new_driver;
 124     static const WCHAR displayW[] = { 'd','i','s','p','l','a','y',0 };
 125     static const WCHAR display1W[] = {'\\','\\','.','\\','D','I','S','P','L','A','Y','1',0};
 126
 127     /* display driver is a special case */
 128     if (!strcmpiW( name, displayW ) || !strcmpiW( name, display1W )) return get_display_driver();
 129
 130     if ((module = GetModuleHandleW( name )))
 131     {
 132         if (display_driver && display_driver->module == module) return display_driver->funcs;
 133
 134         EnterCriticalSection( &driver_section );
 135         LIST_FOR_EACH_ENTRY( driver, &drivers, struct graphics_driver, entry )
 136         {
 137             if (driver->module == module) goto done;
 138         }
 139         LeaveCriticalSection( &driver_section );
 140     }
 141
 142     if (!(module = LoadLibraryW( name ))) return NULL;
 143
 144     if (!(new_driver = create_driver( module )))
 145     {
 146         FreeLibrary( module );
 147         return NULL;
 148     }
 149
 150     /* check if someone else added it in the meantime */
 151     EnterCriticalSection( &driver_section );
 152     LIST_FOR_EACH_ENTRY( driver, &drivers, struct graphics_driver, entry )
 153     {
 154         if (driver->module != module) continue;
 155         FreeLibrary( module );
 156         HeapFree( GetProcessHeap(), 0, new_driver );
 157         goto done;
 158     }
 159     driver = new_driver;
 160     list_add_head( &drivers, &driver->entry );
 161     TRACE( "loaded driver %p for %s\n", driver, debugstr_w(name) );
 162 done:
 163     LeaveCriticalSection( &driver_section );
 164     return driver->funcs;
 165 }
 166
 167
 168 /***********************************************************************
 169  *           __wine_set_display_driver    (GDI32.@)
 170  */
 171 void CDECL __wine_set_display_driver( HMODULE module )
 172 {
 173     struct graphics_driver *driver;
 174     HMODULE user32;
 175
 176     if (!(driver = create_driver( module )))
 177     {
 178         ERR( "Could not create graphics driver\n" );
 179         ExitProcess(1);
 180     }
 181     if (InterlockedCompareExchangePointer( (void **)&display_driver, driver, NULL ))
 182         HeapFree( GetProcessHeap(), 0, driver );
 183
 184     user32 = LoadLibraryA( "user32.dll" );
 185     pGetSystemMetrics = (void *)GetProcAddress( user32, "GetSystemMetrics" );
 186     pSetThreadDpiAwarenessContext = (void *)GetProcAddress( user32, "SetThreadDpiAwarenessContext" );
 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 BOOL nulldrv_Chord( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
 202                            INT xstart, INT ystart, INT xend, INT yend )
 203 {
 204     return TRUE;
 205 }
 206
 207 static BOOL nulldrv_CreateCompatibleDC( PHYSDEV orig, PHYSDEV *pdev )
 208 {
 209     if (!display_driver || !display_driver->funcs->pCreateCompatibleDC) return TRUE;
 210     return display_driver->funcs->pCreateCompatibleDC( NULL, pdev );
 211 }
 212
 213 static BOOL nulldrv_CreateDC( PHYSDEV *dev, LPCWSTR driver, LPCWSTR device,
 214                               LPCWSTR output, const DEVMODEW *devmode )
 215 {
 216     assert(0);  /* should never be called */
 217     return FALSE;
 218 }
 219
 220 static BOOL nulldrv_DeleteDC( PHYSDEV dev )
 221 {
 222     assert(0);  /* should never be called */
 223     return TRUE;
 224 }
 225
 226 static BOOL nulldrv_DeleteObject( PHYSDEV dev, HGDIOBJ obj )
 227 {
 228     return TRUE;
 229 }
 230
 231 static DWORD nulldrv_DeviceCapabilities( LPSTR buffer, LPCSTR device, LPCSTR port,
 232                                          WORD cap, LPSTR output, DEVMODEA *devmode )
 233 {
 234     return -1;
 235 }
 236
 237 static BOOL nulldrv_Ellipse( PHYSDEV dev, INT left, INT top, INT right, INT bottom )
 238 {
 239     return TRUE;
 240 }
 241
 242 static INT nulldrv_EndDoc( PHYSDEV dev )
 243 {
 244     return 0;
 245 }
 246
 247 static INT nulldrv_EndPage( PHYSDEV dev )
 248 {
 249     return 0;
 250 }
 251
 252 static BOOL nulldrv_EnumFonts( PHYSDEV dev, LOGFONTW *logfont, FONTENUMPROCW proc, LPARAM lParam )
 253 {
 254     return TRUE;
 255 }
 256
 257 static INT nulldrv_EnumICMProfiles( PHYSDEV dev, ICMENUMPROCW func, LPARAM lparam )
 258 {
 259     return -1;
 260 }
 261
 262 static INT nulldrv_ExtDeviceMode( LPSTR buffer, HWND hwnd, DEVMODEA *output, LPSTR device,
 263                                   LPSTR port, DEVMODEA *input, LPSTR profile, DWORD mode )
 264 {
 265     return -1;
 266 }
 267
 268 static INT nulldrv_ExtEscape( PHYSDEV dev, INT escape, INT in_size, const void *in_data,
 269                                     INT out_size, void *out_data )
 270 {
 271     return 0;
 272 }
 273
 274 static BOOL nulldrv_ExtFloodFill( PHYSDEV dev, INT x, INT y, COLORREF color, UINT type )
 275 {
 276     return TRUE;
 277 }
 278
 279 static BOOL nulldrv_FontIsLinked( PHYSDEV dev )
 280 {
 281     return FALSE;
 282 }
 283
 284 static BOOL nulldrv_GdiComment( PHYSDEV dev, UINT size, const BYTE *data )
 285 {
 286     return FALSE;
 287 }
 288
 289 static UINT nulldrv_GetBoundsRect( PHYSDEV dev, RECT *rect, UINT flags )
 290 {
 291     return DCB_RESET;
 292 }
 293
 294 static BOOL nulldrv_GetCharABCWidths( PHYSDEV dev, UINT first, UINT last, LPABC abc )
 295 {
 296     return FALSE;
 297 }
 298
 299 static BOOL nulldrv_GetCharABCWidthsI( PHYSDEV dev, UINT first, UINT count, WORD *indices, LPABC abc )
 300 {
 301     return FALSE;
 302 }
 303
 304 static BOOL nulldrv_GetCharWidth( PHYSDEV dev, UINT first, UINT last, INT *buffer )
 305 {
 306     return FALSE;
 307 }
 308
 309 static INT nulldrv_GetDeviceCaps( PHYSDEV dev, INT cap )
 310 {
 311     int bpp;
 312
 313     switch (cap)
 314     {
 315     case DRIVERVERSION:   return 0x4000;
 316     case TECHNOLOGY:      return DT_RASDISPLAY;
 317     case HORZSIZE:        return MulDiv( GetDeviceCaps( dev->hdc, HORZRES ), 254,
 318                                          GetDeviceCaps( dev->hdc, LOGPIXELSX ) * 10 );
 319     case VERTSIZE:        return MulDiv( GetDeviceCaps( dev->hdc, VERTRES ), 254,
 320                                          GetDeviceCaps( dev->hdc, LOGPIXELSY ) * 10 );
 321     case HORZRES:         return pGetSystemMetrics ? pGetSystemMetrics( SM_CXSCREEN ) : 640;
 322     case VERTRES:         return pGetSystemMetrics ? pGetSystemMetrics( SM_CYSCREEN ) : 480;
 323     case BITSPIXEL:       return 32;
 324     case PLANES:          return 1;
 325     case NUMBRUSHES:      return -1;
 326     case NUMPENS:         return -1;
 327     case NUMMARKERS:      return 0;
 328     case NUMFONTS:        return 0;
 329     case PDEVICESIZE:     return 0;
 330     case CURVECAPS:       return (CC_CIRCLES | CC_PIE | CC_CHORD | CC_ELLIPSES | CC_WIDE |
 331                                   CC_STYLED | CC_WIDESTYLED | CC_INTERIORS | CC_ROUNDRECT);
 332     case LINECAPS:        return (LC_POLYLINE | LC_MARKER | LC_POLYMARKER | LC_WIDE |
 333                                   LC_STYLED | LC_WIDESTYLED | LC_INTERIORS);
 334     case POLYGONALCAPS:   return (PC_POLYGON | PC_RECTANGLE | PC_WINDPOLYGON | PC_SCANLINE |
 335                                   PC_WIDE | PC_STYLED | PC_WIDESTYLED | PC_INTERIORS);
 336     case TEXTCAPS:        return (TC_OP_CHARACTER | TC_OP_STROKE | TC_CP_STROKE |
 337                                   TC_CR_ANY | TC_SF_X_YINDEP | TC_SA_DOUBLE | TC_SA_INTEGER |
 338                                   TC_SA_CONTIN | TC_UA_ABLE | TC_SO_ABLE | TC_RA_ABLE | TC_VA_ABLE);
 339     case CLIPCAPS:        return CP_RECTANGLE;
 340     case RASTERCAPS:      return (RC_BITBLT | RC_BITMAP64 | RC_GDI20_OUTPUT | RC_DI_BITMAP | RC_DIBTODEV |
 341                                   RC_BIGFONT | RC_STRETCHBLT | RC_FLOODFILL | RC_STRETCHDIB | RC_DEVBITS |
 342                                   (GetDeviceCaps( dev->hdc, SIZEPALETTE ) ? RC_PALETTE : 0));
 343     case ASPECTX:         return 36;
 344     case ASPECTY:         return 36;
 345     case ASPECTXY:        return (int)(hypot( GetDeviceCaps( dev->hdc, ASPECTX ),
 346                                               GetDeviceCaps( dev->hdc, ASPECTY )) + 0.5);
 347     case CAPS1:           return 0;
 348     case SIZEPALETTE:     return 0;
 349     case NUMRESERVED:     return 20;
 350     case PHYSICALWIDTH:   return 0;
 351     case PHYSICALHEIGHT:  return 0;
 352     case PHYSICALOFFSETX: return 0;
 353     case PHYSICALOFFSETY: return 0;
 354     case SCALINGFACTORX:  return 0;
 355     case SCALINGFACTORY:  return 0;
 356     case VREFRESH:        return GetDeviceCaps( dev->hdc, TECHNOLOGY ) == DT_RASDISPLAY ? 1 : 0;
 357     case DESKTOPHORZRES:
 358         if (GetDeviceCaps( dev->hdc, TECHNOLOGY ) == DT_RASDISPLAY && pGetSystemMetrics)
 359         {
 360             DPI_AWARENESS_CONTEXT context;
 361             UINT ret;
 362             context = pSetThreadDpiAwarenessContext( DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE );
 363             ret = pGetSystemMetrics( SM_CXVIRTUALSCREEN );
 364             pSetThreadDpiAwarenessContext( context );
 365             return ret;
 366         }
 367         return GetDeviceCaps( dev->hdc, HORZRES );
 368     case DESKTOPVERTRES:
 369         if (GetDeviceCaps( dev->hdc, TECHNOLOGY ) == DT_RASDISPLAY && pGetSystemMetrics)
 370         {
 371             DPI_AWARENESS_CONTEXT context;
 372             UINT ret;
 373             context = pSetThreadDpiAwarenessContext( DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE );
 374             ret = pGetSystemMetrics( SM_CYVIRTUALSCREEN );
 375             pSetThreadDpiAwarenessContext( context );
 376             return ret;
 377         }
 378         return GetDeviceCaps( dev->hdc, VERTRES );
 379     case BLTALIGNMENT:    return 0;
 380     case SHADEBLENDCAPS:  return 0;
 381     case COLORMGMTCAPS:   return 0;
 382     case LOGPIXELSX:
 383     case LOGPIXELSY:      return get_system_dpi();
 384     case NUMCOLORS:
 385         bpp = GetDeviceCaps( dev->hdc, BITSPIXEL );
 386         return (bpp > 8) ? -1 : (1 << bpp);
 387     case COLORRES:
 388         /* The observed correspondence between BITSPIXEL and COLORRES is:
 389          * BITSPIXEL: 8  -> COLORRES: 18
 390          * BITSPIXEL: 16 -> COLORRES: 16
 391          * BITSPIXEL: 24 -> COLORRES: 24
 392          * BITSPIXEL: 32 -> COLORRES: 24 */
 393         bpp = GetDeviceCaps( dev->hdc, BITSPIXEL );
 394         return (bpp <= 8) ? 18 : min( 24, bpp );
 395     default:
 396         FIXME("(%p): unsupported capability %d, will return 0\n", dev->hdc, cap );
 397         return 0;
 398     }
 399 }
 400
 401 static BOOL nulldrv_GetDeviceGammaRamp( PHYSDEV dev, void *ramp )
 402 {
 403     SetLastError( ERROR_INVALID_PARAMETER );
 404     return FALSE;
 405 }
 406
 407 static DWORD nulldrv_GetFontData( PHYSDEV dev, DWORD table, DWORD offset, LPVOID buffer, DWORD length )
 408 {
 409     return FALSE;
 410 }
 411
 412 static BOOL nulldrv_GetFontRealizationInfo( PHYSDEV dev, void *info )
 413 {
 414     return FALSE;
 415 }
 416
 417 static DWORD nulldrv_GetFontUnicodeRanges( PHYSDEV dev, LPGLYPHSET glyphs )
 418 {
 419     return 0;
 420 }
 421
 422 static DWORD nulldrv_GetGlyphIndices( PHYSDEV dev, LPCWSTR str, INT count, LPWORD indices, DWORD flags )
 423 {
 424     return GDI_ERROR;
 425 }
 426
 427 static DWORD nulldrv_GetGlyphOutline( PHYSDEV dev, UINT ch, UINT format, LPGLYPHMETRICS metrics,
 428                                       DWORD size, LPVOID buffer, const MAT2 *mat )
 429 {
 430     return GDI_ERROR;
 431 }
 432
 433 static BOOL nulldrv_GetICMProfile( PHYSDEV dev, LPDWORD size, LPWSTR filename )
 434 {
 435     return FALSE;
 436 }
 437
 438 static DWORD nulldrv_GetImage( PHYSDEV dev, BITMAPINFO *info, struct gdi_image_bits *bits,
 439                                struct bitblt_coords *src )
 440 {
 441     return ERROR_NOT_SUPPORTED;
 442 }
 443
 444 static DWORD nulldrv_GetKerningPairs( PHYSDEV dev, DWORD count, LPKERNINGPAIR pairs )
 445 {
 446     return 0;
 447 }
 448
 449 static UINT nulldrv_GetOutlineTextMetrics( PHYSDEV dev, UINT size, LPOUTLINETEXTMETRICW otm )
 450 {
 451     return 0;
 452 }
 453
 454 static UINT nulldrv_GetTextCharsetInfo( PHYSDEV dev, LPFONTSIGNATURE fs, DWORD flags )
 455 {
 456     return DEFAULT_CHARSET;
 457 }
 458
 459 static BOOL nulldrv_GetTextExtentExPoint( PHYSDEV dev, LPCWSTR str, INT count, INT *dx )
 460 {
 461     return FALSE;
 462 }
 463
 464 static BOOL nulldrv_GetTextExtentExPointI( PHYSDEV dev, const WORD *indices, INT count, INT *dx )
 465 {
 466     return FALSE;
 467 }
 468
 469 static INT nulldrv_GetTextFace( PHYSDEV dev, INT size, LPWSTR name )
 470 {
 471     INT ret = 0;
 472     LOGFONTW font;
 473     DC *dc = get_nulldrv_dc( dev );
 474
 475     if (GetObjectW( dc->hFont, sizeof(font), &font ))
 476     {
 477         ret = strlenW( font.lfFaceName ) + 1;
 478         if (name)
 479         {
 480             lstrcpynW( name, font.lfFaceName, size );
 481             ret = min( size, ret );
 482         }
 483     }
 484     return ret;
 485 }
 486
 487 static BOOL nulldrv_GetTextMetrics( PHYSDEV dev, TEXTMETRICW *metrics )
 488 {
 489     return FALSE;
 490 }
 491
 492 static BOOL nulldrv_LineTo( PHYSDEV dev, INT x, INT y )
 493 {
 494     return TRUE;
 495 }
 496
 497 static BOOL nulldrv_MoveTo( PHYSDEV dev, INT x, INT y )
 498 {
 499     return TRUE;
 500 }
 501
 502 static BOOL nulldrv_PaintRgn( PHYSDEV dev, HRGN rgn )
 503 {
 504     return TRUE;
 505 }
 506
 507 static BOOL nulldrv_PatBlt( PHYSDEV dev, struct bitblt_coords *dst, DWORD rop )
 508 {
 509     return TRUE;
 510 }
 511
 512 static BOOL nulldrv_Pie( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
 513                          INT xstart, INT ystart, INT xend, INT yend )
 514 {
 515     return TRUE;
 516 }
 517
 518 static BOOL nulldrv_PolyPolygon( PHYSDEV dev, const POINT *points, const INT *counts, UINT polygons )
 519 {
 520     return TRUE;
 521 }
 522
 523 static BOOL nulldrv_PolyPolyline( PHYSDEV dev, const POINT *points, const DWORD *counts, DWORD lines )
 524 {
 525     return TRUE;
 526 }
 527
 528 static BOOL nulldrv_Polygon( PHYSDEV dev, const POINT *points, INT count )
 529 {
 530     INT counts[1] = { count };
 531
 532     return PolyPolygon( dev->hdc, points, counts, 1 );
 533 }
 534
 535 static BOOL nulldrv_Polyline( PHYSDEV dev, const POINT *points, INT count )
 536 {
 537     DWORD counts[1] = { count };
 538
 539     if (count < 0) return FALSE;
 540     return PolyPolyline( dev->hdc, points, counts, 1 );
 541 }
 542
 543 static DWORD nulldrv_PutImage( PHYSDEV dev, HRGN clip, BITMAPINFO *info,
 544                                const struct gdi_image_bits *bits, struct bitblt_coords *src,
 545                                struct bitblt_coords *dst, DWORD rop )
 546 {
 547     return ERROR_SUCCESS;
 548 }
 549
 550 static UINT nulldrv_RealizeDefaultPalette( PHYSDEV dev )
 551 {
 552     return 0;
 553 }
 554
 555 static UINT nulldrv_RealizePalette( PHYSDEV dev, HPALETTE palette, BOOL primary )
 556 {
 557     return 0;
 558 }
 559
 560 static BOOL nulldrv_Rectangle( PHYSDEV dev, INT left, INT top, INT right, INT bottom )
 561 {
 562     return TRUE;
 563 }
 564
 565 static HDC nulldrv_ResetDC( PHYSDEV dev, const DEVMODEW *devmode )
 566 {
 567     return 0;
 568 }
 569
 570 static BOOL nulldrv_RoundRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
 571                                INT ell_width, INT ell_height )
 572 {
 573     return TRUE;
 574 }
 575
 576 static HBITMAP nulldrv_SelectBitmap( PHYSDEV dev, HBITMAP bitmap )
 577 {
 578     return bitmap;
 579 }
 580
 581 static HBRUSH nulldrv_SelectBrush( PHYSDEV dev, HBRUSH brush, const struct brush_pattern *pattern )
 582 {
 583     return brush;
 584 }
 585
 586 static HPALETTE nulldrv_SelectPalette( PHYSDEV dev, HPALETTE palette, BOOL bkgnd )
 587 {
 588     return palette;
 589 }
 590
 591 static HPEN nulldrv_SelectPen( PHYSDEV dev, HPEN pen, const struct brush_pattern *pattern )
 592 {
 593     return pen;
 594 }
 595
 596 static INT nulldrv_SetArcDirection( PHYSDEV dev, INT dir )
 597 {
 598     return dir;
 599 }
 600
 601 static COLORREF nulldrv_SetBkColor( PHYSDEV dev, COLORREF color )
 602 {
 603     return color;
 604 }
 605
 606 static INT nulldrv_SetBkMode( PHYSDEV dev, INT mode )
 607 {
 608     return mode;
 609 }
 610
 611 static UINT nulldrv_SetBoundsRect( PHYSDEV dev, RECT *rect, UINT flags )
 612 {
 613     return DCB_RESET;
 614 }
 615
 616 static COLORREF nulldrv_SetDCBrushColor( PHYSDEV dev, COLORREF color )
 617 {
 618     return color;
 619 }
 620
 621 static COLORREF nulldrv_SetDCPenColor( PHYSDEV dev, COLORREF color )
 622 {
 623     return color;
 624 }
 625
 626 static void nulldrv_SetDeviceClipping( PHYSDEV dev, HRGN rgn )
 627 {
 628 }
 629
 630 static DWORD nulldrv_SetLayout( PHYSDEV dev, DWORD layout )
 631 {
 632     return layout;
 633 }
 634
 635 static BOOL nulldrv_SetDeviceGammaRamp( PHYSDEV dev, void *ramp )
 636 {
 637     SetLastError( ERROR_INVALID_PARAMETER );
 638     return FALSE;
 639 }
 640
 641 static DWORD nulldrv_SetMapperFlags( PHYSDEV dev, DWORD flags )
 642 {
 643     return flags;
 644 }
 645
 646 static COLORREF nulldrv_SetPixel( PHYSDEV dev, INT x, INT y, COLORREF color )
 647 {
 648     return color;
 649 }
 650
 651 static INT nulldrv_SetPolyFillMode( PHYSDEV dev, INT mode )
 652 {
 653     return mode;
 654 }
 655
 656 static INT nulldrv_SetROP2( PHYSDEV dev, INT rop )
 657 {
 658     return rop;
 659 }
 660
 661 static INT nulldrv_SetRelAbs( PHYSDEV dev, INT mode )
 662 {
 663     return mode;
 664 }
 665
 666 static INT nulldrv_SetStretchBltMode( PHYSDEV dev, INT mode )
 667 {
 668     return mode;
 669 }
 670
 671 static UINT nulldrv_SetTextAlign( PHYSDEV dev, UINT align )
 672 {
 673     return align;
 674 }
 675
 676 static INT nulldrv_SetTextCharacterExtra( PHYSDEV dev, INT extra )
 677 {
 678     return extra;
 679 }
 680
 681 static COLORREF nulldrv_SetTextColor( PHYSDEV dev, COLORREF color )
 682 {
 683     return color;
 684 }
 685
 686 static BOOL nulldrv_SetTextJustification( PHYSDEV dev, INT extra, INT breaks )
 687 {
 688     return TRUE;
 689 }
 690
 691 static INT nulldrv_StartDoc( PHYSDEV dev, const DOCINFOW *info )
 692 {
 693     return 0;
 694 }
 695
 696 static INT nulldrv_StartPage( PHYSDEV dev )
 697 {
 698     return 1;
 699 }
 700
 701 static BOOL nulldrv_UnrealizePalette( HPALETTE palette )
 702 {
 703     return FALSE;
 704 }
 705
 706 static struct opengl_funcs *nulldrv_wine_get_wgl_driver( PHYSDEV dev, UINT version )
 707 {
 708     return (void *)-1;
 709 }
 710
 711 static const struct vulkan_funcs *nulldrv_wine_get_vulkan_driver( PHYSDEV dev, UINT version )
 712 {
 713     return NULL;
 714 }
 715
 716 const struct gdi_dc_funcs null_driver =
 717 {
 718     nulldrv_AbortDoc,                   /* pAbortDoc */
 719     nulldrv_AbortPath,                  /* pAbortPath */
 720     nulldrv_AlphaBlend,                 /* pAlphaBlend */
 721     nulldrv_AngleArc,                   /* pAngleArc */
 722     nulldrv_Arc,                        /* pArc */
 723     nulldrv_ArcTo,                      /* pArcTo */
 724     nulldrv_BeginPath,                  /* pBeginPath */
 725     nulldrv_BlendImage,                 /* pBlendImage */
 726     nulldrv_Chord,                      /* pChord */
 727     nulldrv_CloseFigure,                /* pCloseFigure */
 728     nulldrv_CreateCompatibleDC,         /* pCreateCompatibleDC */
 729     nulldrv_CreateDC,                   /* pCreateDC */
 730     nulldrv_DeleteDC,                   /* pDeleteDC */
 731     nulldrv_DeleteObject,               /* pDeleteObject */
 732     nulldrv_DeviceCapabilities,         /* pDeviceCapabilities */
 733     nulldrv_Ellipse,                    /* pEllipse */
 734     nulldrv_EndDoc,                     /* pEndDoc */
 735     nulldrv_EndPage,                    /* pEndPage */
 736     nulldrv_EndPath,                    /* pEndPath */
 737     nulldrv_EnumFonts,                  /* pEnumFonts */
 738     nulldrv_EnumICMProfiles,            /* pEnumICMProfiles */
 739     nulldrv_ExcludeClipRect,            /* pExcludeClipRect */
 740     nulldrv_ExtDeviceMode,              /* pExtDeviceMode */
 741     nulldrv_ExtEscape,                  /* pExtEscape */
 742     nulldrv_ExtFloodFill,               /* pExtFloodFill */
 743     nulldrv_ExtSelectClipRgn,           /* pExtSelectClipRgn */
 744     nulldrv_ExtTextOut,                 /* pExtTextOut */
 745     nulldrv_FillPath,                   /* pFillPath */
 746     nulldrv_FillRgn,                    /* pFillRgn */
 747     nulldrv_FlattenPath,                /* pFlattenPath */
 748     nulldrv_FontIsLinked,               /* pFontIsLinked */
 749     nulldrv_FrameRgn,                   /* pFrameRgn */
 750     nulldrv_GdiComment,                 /* pGdiComment */
 751     nulldrv_GetBoundsRect,              /* pGetBoundsRect */
 752     nulldrv_GetCharABCWidths,           /* pGetCharABCWidths */
 753     nulldrv_GetCharABCWidthsI,          /* pGetCharABCWidthsI */
 754     nulldrv_GetCharWidth,               /* pGetCharWidth */
 755     nulldrv_GetDeviceCaps,              /* pGetDeviceCaps */
 756     nulldrv_GetDeviceGammaRamp,         /* pGetDeviceGammaRamp */
 757     nulldrv_GetFontData,                /* pGetFontData */
 758     nulldrv_GetFontRealizationInfo,     /* pGetFontRealizationInfo */
 759     nulldrv_GetFontUnicodeRanges,       /* pGetFontUnicodeRanges */
 760     nulldrv_GetGlyphIndices,            /* pGetGlyphIndices */
 761     nulldrv_GetGlyphOutline,            /* pGetGlyphOutline */
 762     nulldrv_GetICMProfile,              /* pGetICMProfile */
 763     nulldrv_GetImage,                   /* pGetImage */
 764     nulldrv_GetKerningPairs,            /* pGetKerningPairs */
 765     nulldrv_GetNearestColor,            /* pGetNearestColor */
 766     nulldrv_GetOutlineTextMetrics,      /* pGetOutlineTextMetrics */
 767     nulldrv_GetPixel,                   /* pGetPixel */
 768     nulldrv_GetSystemPaletteEntries,    /* pGetSystemPaletteEntries */
 769     nulldrv_GetTextCharsetInfo,         /* pGetTextCharsetInfo */
 770     nulldrv_GetTextExtentExPoint,       /* pGetTextExtentExPoint */
 771     nulldrv_GetTextExtentExPointI,      /* pGetTextExtentExPointI */
 772     nulldrv_GetTextFace,                /* pGetTextFace */
 773     nulldrv_GetTextMetrics,             /* pGetTextMetrics */
 774     nulldrv_GradientFill,               /* pGradientFill */
 775     nulldrv_IntersectClipRect,          /* pIntersectClipRect */
 776     nulldrv_InvertRgn,                  /* pInvertRgn */
 777     nulldrv_LineTo,                     /* pLineTo */
 778     nulldrv_ModifyWorldTransform,       /* pModifyWorldTransform */
 779     nulldrv_MoveTo,                     /* pMoveTo */
 780     nulldrv_OffsetClipRgn,              /* pOffsetClipRgn */
 781     nulldrv_OffsetViewportOrgEx,        /* pOffsetViewportOrg */
 782     nulldrv_OffsetWindowOrgEx,          /* pOffsetWindowOrg */
 783     nulldrv_PaintRgn,                   /* pPaintRgn */
 784     nulldrv_PatBlt,                     /* pPatBlt */
 785     nulldrv_Pie,                        /* pPie */
 786     nulldrv_PolyBezier,                 /* pPolyBezier */
 787     nulldrv_PolyBezierTo,               /* pPolyBezierTo */
 788     nulldrv_PolyDraw,                   /* pPolyDraw */
 789     nulldrv_PolyPolygon,                /* pPolyPolygon */
 790     nulldrv_PolyPolyline,               /* pPolyPolyline */
 791     nulldrv_Polygon,                    /* pPolygon */
 792     nulldrv_Polyline,                   /* pPolyline */
 793     nulldrv_PolylineTo,                 /* pPolylineTo */
 794     nulldrv_PutImage,                   /* pPutImage */
 795     nulldrv_RealizeDefaultPalette,      /* pRealizeDefaultPalette */
 796     nulldrv_RealizePalette,             /* pRealizePalette */
 797     nulldrv_Rectangle,                  /* pRectangle */
 798     nulldrv_ResetDC,                    /* pResetDC */
 799     nulldrv_RestoreDC,                  /* pRestoreDC */
 800     nulldrv_RoundRect,                  /* pRoundRect */
 801     nulldrv_SaveDC,                     /* pSaveDC */
 802     nulldrv_ScaleViewportExtEx,         /* pScaleViewportExt */
 803     nulldrv_ScaleWindowExtEx,           /* pScaleWindowExt */
 804     nulldrv_SelectBitmap,               /* pSelectBitmap */
 805     nulldrv_SelectBrush,                /* pSelectBrush */
 806     nulldrv_SelectClipPath,             /* pSelectClipPath */
 807     nulldrv_SelectFont,                 /* pSelectFont */
 808     nulldrv_SelectPalette,              /* pSelectPalette */
 809     nulldrv_SelectPen,                  /* pSelectPen */
 810     nulldrv_SetArcDirection,            /* pSetArcDirection */
 811     nulldrv_SetBkColor,                 /* pSetBkColor */
 812     nulldrv_SetBkMode,                  /* pSetBkMode */
 813     nulldrv_SetBoundsRect,              /* pSetBoundsRect */
 814     nulldrv_SetDCBrushColor,            /* pSetDCBrushColor */
 815     nulldrv_SetDCPenColor,              /* pSetDCPenColor */
 816     nulldrv_SetDIBitsToDevice,          /* pSetDIBitsToDevice */
 817     nulldrv_SetDeviceClipping,          /* pSetDeviceClipping */
 818     nulldrv_SetDeviceGammaRamp,         /* pSetDeviceGammaRamp */
 819     nulldrv_SetLayout,                  /* pSetLayout */
 820     nulldrv_SetMapMode,                 /* pSetMapMode */
 821     nulldrv_SetMapperFlags,             /* pSetMapperFlags */
 822     nulldrv_SetPixel,                   /* pSetPixel */
 823     nulldrv_SetPolyFillMode,            /* pSetPolyFillMode */
 824     nulldrv_SetROP2,                    /* pSetROP2 */
 825     nulldrv_SetRelAbs,                  /* pSetRelAbs */
 826     nulldrv_SetStretchBltMode,          /* pSetStretchBltMode */
 827     nulldrv_SetTextAlign,               /* pSetTextAlign */
 828     nulldrv_SetTextCharacterExtra,      /* pSetTextCharacterExtra */
 829     nulldrv_SetTextColor,               /* pSetTextColor */
 830     nulldrv_SetTextJustification,       /* pSetTextJustification */
 831     nulldrv_SetViewportExtEx,           /* pSetViewportExt */
 832     nulldrv_SetViewportOrgEx,           /* pSetViewportOrg */
 833     nulldrv_SetWindowExtEx,             /* pSetWindowExt */
 834     nulldrv_SetWindowOrgEx,             /* pSetWindowOrg */
 835     nulldrv_SetWorldTransform,          /* pSetWorldTransform */
 836     nulldrv_StartDoc,                   /* pStartDoc */
 837     nulldrv_StartPage,                  /* pStartPage */
 838     nulldrv_StretchBlt,                 /* pStretchBlt */
 839     nulldrv_StretchDIBits,              /* pStretchDIBits */
 840     nulldrv_StrokeAndFillPath,          /* pStrokeAndFillPath */
 841     nulldrv_StrokePath,                 /* pStrokePath */
 842     nulldrv_UnrealizePalette,           /* pUnrealizePalette */
 843     nulldrv_WidenPath,                  /* pWidenPath */
 844     nulldrv_wine_get_wgl_driver,        /* wine_get_wgl_driver */
 845     nulldrv_wine_get_vulkan_driver,     /* wine_get_vulkan_driver */
 846
 847     GDI_PRIORITY_NULL_DRV               /* priority */
 848 };
 849
 850
 851 /*****************************************************************************
 852  *      DRIVER_GetDriverName
 853  *
 854  */
 855 BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size )
 856 {
 857     static const WCHAR displayW[] = { 'd','i','s','p','l','a','y',0 };
 858     static const WCHAR devicesW[] = { 'd','e','v','i','c','e','s',0 };
 859     static const WCHAR display1W[] = {'\\','\\','.','\\','D','I','S','P','L','A','Y','1',0};
 860     static const WCHAR empty_strW[] = { 0 };
 861     WCHAR *p;
 862
 863     /* display is a special case */
 864     if (!strcmpiW( device, displayW ) ||
 865         !strcmpiW( device, display1W ))
 866     {
 867         lstrcpynW( driver, displayW, size );
 868         return TRUE;
 869     }
 870
 871     size = GetProfileStringW(devicesW, device, empty_strW, driver, size);
 872     if(!size) {
 873         WARN("Unable to find %s in [devices] section of win.ini\n", debugstr_w(device));
 874         return FALSE;
 875     }
 876     p = strchrW(driver, ',');
 877     if(!p)
 878     {
 879         WARN("%s entry in [devices] section of win.ini is malformed.\n", debugstr_w(device));
 880         return FALSE;
 881     }
 882     *p = 0;
 883     TRACE("Found %s for %s\n", debugstr_w(driver), debugstr_w(device));
 884     return TRUE;
 885 }
 886
 887
 888 /***********************************************************************
 889  *           GdiConvertToDevmodeW    (GDI32.@)
 890  */
 891 DEVMODEW * WINAPI GdiConvertToDevmodeW(const DEVMODEA *dmA)
 892 {
 893     DEVMODEW *dmW;
 894     WORD dmW_size, dmA_size;
 895
 896     dmA_size = dmA->dmSize;
 897
 898     /* this is the minimal dmSize that XP accepts */
 899     if (dmA_size < FIELD_OFFSET(DEVMODEA, dmFields))
 900         return NULL;
 901
 902     if (dmA_size > sizeof(DEVMODEA))
 903         dmA_size = sizeof(DEVMODEA);
 904
 905     dmW_size = dmA_size + CCHDEVICENAME;
 906     if (dmA_size >= FIELD_OFFSET(DEVMODEA, dmFormName) + CCHFORMNAME)
 907         dmW_size += CCHFORMNAME;
 908
 909     dmW = HeapAlloc(GetProcessHeap(), 0, dmW_size + dmA->dmDriverExtra);
 910     if (!dmW) return NULL;
 911
 912     MultiByteToWideChar(CP_ACP, 0, (const char*) dmA->dmDeviceName, -1,
 913                                    dmW->dmDeviceName, CCHDEVICENAME);
 914     /* copy slightly more, to avoid long computations */
 915     memcpy(&dmW->dmSpecVersion, &dmA->dmSpecVersion, dmA_size - CCHDEVICENAME);
 916
 917     if (dmA_size >= FIELD_OFFSET(DEVMODEA, dmFormName) + CCHFORMNAME)
 918     {
 919         if (dmA->dmFields & DM_FORMNAME)
 920             MultiByteToWideChar(CP_ACP, 0, (const char*) dmA->dmFormName, -1,
 921                                        dmW->dmFormName, CCHFORMNAME);
 922         else
 923             dmW->dmFormName[0] = 0;
 924
 925         if (dmA_size > FIELD_OFFSET(DEVMODEA, dmLogPixels))
 926             memcpy(&dmW->dmLogPixels, &dmA->dmLogPixels, dmA_size - FIELD_OFFSET(DEVMODEA, dmLogPixels));
 927     }
 928
 929     if (dmA->dmDriverExtra)
 930         memcpy((char *)dmW + dmW_size, (const char *)dmA + dmA_size, dmA->dmDriverExtra);
 931
 932     dmW->dmSize = dmW_size;
 933
 934     return dmW;
 935 }
 936
 937
 938 /*****************************************************************************
 939  *      @ [GDI32.100]
 940  *
 941  * This should thunk to 16-bit and simply call the proc with the given args.
 942  */
 943 INT WINAPI GDI_CallDevInstall16( FARPROC16 lpfnDevInstallProc, HWND hWnd,
 944                                  LPSTR lpModelName, LPSTR OldPort, LPSTR NewPort )
 945 {
 946     FIXME("(%p, %p, %s, %s, %s)\n", lpfnDevInstallProc, hWnd, lpModelName, OldPort, NewPort );
 947     return -1;
 948 }
 949
 950 /*****************************************************************************
 951  *      @ [GDI32.101]
 952  *
 953  * This should load the correct driver for lpszDevice and calls this driver's
 954  * ExtDeviceModePropSheet proc.
 955  *
 956  * Note: The driver calls a callback routine for each property sheet page; these
 957  * pages are supposed to be filled into the structure pointed to by lpPropSheet.
 958  * The layout of this structure is:
 959  *
 960  * struct
 961  * {
 962  *   DWORD  nPages;
 963  *   DWORD  unknown;
 964  *   HPROPSHEETPAGE  pages[10];
 965  * };
 966  */
 967 INT WINAPI GDI_CallExtDeviceModePropSheet16( HWND hWnd, LPCSTR lpszDevice,
 968                                              LPCSTR lpszPort, LPVOID lpPropSheet )
 969 {
 970     FIXME("(%p, %s, %s, %p)\n", hWnd, lpszDevice, lpszPort, lpPropSheet );
 971     return -1;
 972 }
 973
 974 /*****************************************************************************
 975  *      @ [GDI32.102]
 976  *
 977  * This should load the correct driver for lpszDevice and call this driver's
 978  * ExtDeviceMode proc.
 979  *
 980  * FIXME: convert ExtDeviceMode to unicode in the driver interface
 981  */
 982 INT WINAPI GDI_CallExtDeviceMode16( HWND hwnd,
 983                                     LPDEVMODEA lpdmOutput, LPSTR lpszDevice,
 984                                     LPSTR lpszPort, LPDEVMODEA lpdmInput,
 985                                     LPSTR lpszProfile, DWORD fwMode )
 986 {
 987     WCHAR deviceW[300];
 988     WCHAR bufW[300];
 989     char buf[300];
 990     HDC hdc;
 991     DC *dc;
 992     INT ret = -1;
 993
 994     TRACE("(%p, %p, %s, %s, %p, %s, %d)\n",
 995           hwnd, lpdmOutput, lpszDevice, lpszPort, lpdmInput, lpszProfile, fwMode );
 996
 997     if (!lpszDevice) return -1;
 998     if (!MultiByteToWideChar(CP_ACP, 0, lpszDevice, -1, deviceW, 300)) return -1;
 999
1000     if(!DRIVER_GetDriverName( deviceW, bufW, 300 )) return -1;
1001
1002     if (!WideCharToMultiByte(CP_ACP, 0, bufW, -1, buf, 300, NULL, NULL)) return -1;
1003
1004     if (!(hdc = CreateICA( buf, lpszDevice, lpszPort, NULL ))) return -1;
1005
1006     if ((dc = get_dc_ptr( hdc )))
1007     {
1008         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pExtDeviceMode );
1009         ret = physdev->funcs->pExtDeviceMode( buf, hwnd, lpdmOutput, lpszDevice, lpszPort,
1010                                               lpdmInput, lpszProfile, fwMode );
1011         release_dc_ptr( dc );
1012     }
1013     DeleteDC( hdc );
1014     return ret;
1015 }
1016
1017 /****************************************************************************
1018  *      @ [GDI32.103]
1019  *
1020  * This should load the correct driver for lpszDevice and calls this driver's
1021  * AdvancedSetupDialog proc.
1022  */
1023 INT WINAPI GDI_CallAdvancedSetupDialog16( HWND hwnd, LPSTR lpszDevice,
1024                                           LPDEVMODEA devin, LPDEVMODEA devout )
1025 {
1026     TRACE("(%p, %s, %p, %p)\n", hwnd, lpszDevice, devin, devout );
1027     return -1;
1028 }
1029
1030 /*****************************************************************************
1031  *      @ [GDI32.104]
1032  *
1033  * This should load the correct driver for lpszDevice and calls this driver's
1034  * DeviceCapabilities proc.
1035  *
1036  * FIXME: convert DeviceCapabilities to unicode in the driver interface
1037  */
1038 DWORD WINAPI GDI_CallDeviceCapabilities16( LPCSTR lpszDevice, LPCSTR lpszPort,
1039                                            WORD fwCapability, LPSTR lpszOutput,
1040                                            LPDEVMODEA lpdm )
1041 {
1042     WCHAR deviceW[300];
1043     WCHAR bufW[300];
1044     char buf[300];
1045     HDC hdc;
1046     DC *dc;
1047     INT ret = -1;
1048
1049     TRACE("(%s, %s, %d, %p, %p)\n", lpszDevice, lpszPort, fwCapability, lpszOutput, lpdm );
1050
1051     if (!lpszDevice) return -1;
1052     if (!MultiByteToWideChar(CP_ACP, 0, lpszDevice, -1, deviceW, 300)) return -1;
1053
1054     if(!DRIVER_GetDriverName( deviceW, bufW, 300 )) return -1;
1055
1056     if (!WideCharToMultiByte(CP_ACP, 0, bufW, -1, buf, 300, NULL, NULL)) return -1;
1057
1058     if (!(hdc = CreateICA( buf, lpszDevice, lpszPort, NULL ))) return -1;
1059
1060     if ((dc = get_dc_ptr( hdc )))
1061     {
1062         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pDeviceCapabilities );
1063         ret = physdev->funcs->pDeviceCapabilities( buf, lpszDevice, lpszPort,
1064                                                    fwCapability, lpszOutput, lpdm );
1065         release_dc_ptr( dc );
1066     }
1067     DeleteDC( hdc );
1068     return ret;
1069 }
1070
1071
1072 /************************************************************************
1073  *             Escape  [GDI32.@]
1074  */
1075 INT WINAPI Escape( HDC hdc, INT escape, INT in_count, LPCSTR in_data, LPVOID out_data )
1076 {
1077     INT ret;
1078     POINT *pt;
1079
1080     switch (escape)
1081     {
1082     case ABORTDOC:
1083         return AbortDoc( hdc );
1084
1085     case ENDDOC:
1086         return EndDoc( hdc );
1087
1088     case GETPHYSPAGESIZE:
1089         pt = out_data;
1090         pt->x = GetDeviceCaps( hdc, PHYSICALWIDTH );
1091         pt->y = GetDeviceCaps( hdc, PHYSICALHEIGHT );
1092         return 1;
1093
1094     case GETPRINTINGOFFSET:
1095         pt = out_data;
1096         pt->x = GetDeviceCaps( hdc, PHYSICALOFFSETX );
1097         pt->y = GetDeviceCaps( hdc, PHYSICALOFFSETY );
1098         return 1;
1099
1100     case GETSCALINGFACTOR:
1101         pt = out_data;
1102         pt->x = GetDeviceCaps( hdc, SCALINGFACTORX );
1103         pt->y = GetDeviceCaps( hdc, SCALINGFACTORY );
1104         return 1;
1105
1106     case NEWFRAME:
1107         return EndPage( hdc );
1108
1109     case SETABORTPROC:
1110         return SetAbortProc( hdc, (ABORTPROC)in_data );
1111
1112     case STARTDOC:
1113         {
1114             DOCINFOA doc;
1115             char *name = NULL;
1116
1117             /* in_data may not be 0 terminated so we must copy it */
1118             if (in_data)
1119             {
1120                 name = HeapAlloc( GetProcessHeap(), 0, in_count+1 );
1121                 memcpy( name, in_data, in_count );
1122                 name[in_count] = 0;
1123             }
1124             /* out_data is actually a pointer to the DocInfo structure and used as
1125              * a second input parameter */
1126             if (out_data) doc = *(DOCINFOA *)out_data;
1127             else
1128             {
1129                 doc.cbSize = sizeof(doc);
1130                 doc.lpszOutput = NULL;
1131                 doc.lpszDatatype = NULL;
1132                 doc.fwType = 0;
1133             }
1134             doc.lpszDocName = name;
1135             ret = StartDocA( hdc, &doc );
1136             HeapFree( GetProcessHeap(), 0, name );
1137             if (ret > 0) ret = StartPage( hdc );
1138             return ret;
1139         }
1140
1141     case QUERYESCSUPPORT:
1142         {
1143             DWORD code;
1144
1145             if (in_count < sizeof(SHORT)) return 0;
1146             code = (in_count < sizeof(DWORD)) ? *(const USHORT *)in_data : *(const DWORD *)in_data;
1147             switch (code)
1148             {
1149             case ABORTDOC:
1150             case ENDDOC:
1151             case GETPHYSPAGESIZE:
1152             case GETPRINTINGOFFSET:
1153             case GETSCALINGFACTOR:
1154             case NEWFRAME:
1155             case QUERYESCSUPPORT:
1156             case SETABORTPROC:
1157             case STARTDOC:
1158                 return TRUE;
1159             }
1160             break;
1161         }
1162     }
1163
1164     /* if not handled internally, pass it to the driver */
1165     return ExtEscape( hdc, escape, in_count, in_data, 0, out_data );
1166 }
1167
1168
1169 /******************************************************************************
1170  *              ExtEscape       [GDI32.@]
1171  *
1172  * Access capabilities of a particular device that are not available through GDI.
1173  *
1174  * PARAMS
1175  *    hdc         [I] Handle to device context
1176  *    nEscape     [I] Escape function
1177  *    cbInput     [I] Number of bytes in input structure
1178  *    lpszInData  [I] Pointer to input structure
1179  *    cbOutput    [I] Number of bytes in output structure
1180  *    lpszOutData [O] Pointer to output structure
1181  *
1182  * RETURNS
1183  *    Success: >0
1184  *    Not implemented: 0
1185  *    Failure: <0
1186  */
1187 INT WINAPI ExtEscape( HDC hdc, INT nEscape, INT cbInput, LPCSTR lpszInData,
1188                       INT cbOutput, LPSTR lpszOutData )
1189 {
1190     PHYSDEV physdev;
1191     INT ret;
1192     DC * dc = get_dc_ptr( hdc );
1193
1194     if (!dc) return 0;
1195     update_dc( dc );
1196     physdev = GET_DC_PHYSDEV( dc, pExtEscape );
1197     ret = physdev->funcs->pExtEscape( physdev, nEscape, cbInput, lpszInData, cbOutput, lpszOutData );
1198     release_dc_ptr( dc );
1199     return ret;
1200 }
1201
1202
1203 /*******************************************************************
1204  *      DrawEscape [GDI32.@]
1205  *
1206  *
1207  */
1208 INT WINAPI DrawEscape(HDC hdc, INT nEscape, INT cbInput, LPCSTR lpszInData)
1209 {
1210     FIXME("DrawEscape, stub\n");
1211     return 0;
1212 }
1213
1214 /*******************************************************************
1215  *      NamedEscape [GDI32.@]
1216  */
1217 INT WINAPI NamedEscape( HDC hdc, LPCWSTR pDriver, INT nEscape, INT cbInput, LPCSTR lpszInData,
1218                         INT cbOutput, LPSTR lpszOutData )
1219 {
1220     FIXME("(%p, %s, %d, %d, %p, %d, %p)\n",
1221           hdc, wine_dbgstr_w(pDriver), nEscape, cbInput, lpszInData, cbOutput,
1222           lpszOutData);
1223     return 0;
1224 }
1225
1226 /*******************************************************************
1227  *      DdQueryDisplaySettingsUniqueness [GDI32.@]
1228  *      GdiEntry13                       [GDI32.@]
1229  */
1230 ULONG WINAPI DdQueryDisplaySettingsUniqueness(VOID)
1231 {
1232     static int warn_once;
1233
1234     if (!warn_once++)
1235         FIXME("stub\n");
1236     return 0;
1237 }
1238
1239 /******************************************************************************
1240  *              D3DKMTOpenAdapterFromHdc [GDI32.@]
1241  */
1242 NTSTATUS WINAPI D3DKMTOpenAdapterFromHdc( void *pData )
1243 {
1244     FIXME("(%p): stub\n", pData);
1245     return STATUS_NO_MEMORY;
1246 }
1247
1248 /******************************************************************************
1249  *              D3DKMTEscape [GDI32.@]
1250  */
1251 NTSTATUS WINAPI D3DKMTEscape( const void *pData )
1252 {
1253     FIXME("(%p): stub\n", pData);
1254     return STATUS_NO_MEMORY;
1255 }