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     switch (cap)  /* return meaningful values for some entries */
 302     {
 303     case HORZRES:     return 640;
 304     case VERTRES:     return 480;
 305     case BITSPIXEL:   return 1;
 306     case PLANES:      return 1;
 307     case NUMCOLORS:   return 2;
 308     case ASPECTX:     return 36;
 309     case ASPECTY:     return 36;
 310     case ASPECTXY:    return 51;
 311     case LOGPIXELSX:  return 72;
 312     case LOGPIXELSY:  return 72;
 313     case SIZEPALETTE: return 2;
 314     case TEXTCAPS:    return (TC_OP_CHARACTER | TC_OP_STROKE | TC_CP_STROKE |
 315                               TC_CR_ANY | TC_SF_X_YINDEP | TC_SA_DOUBLE | TC_SA_INTEGER |
 316                               TC_SA_CONTIN | TC_UA_ABLE | TC_SO_ABLE | TC_RA_ABLE | TC_VA_ABLE);
 317     default:          return 0;
 318     }
 319 }
 320
 321 static BOOL nulldrv_GetDeviceGammaRamp( PHYSDEV dev, void *ramp )
 322 {
 323     SetLastError( ERROR_INVALID_PARAMETER );
 324     return FALSE;
 325 }
 326
 327 static DWORD nulldrv_GetFontData( PHYSDEV dev, DWORD table, DWORD offset, LPVOID buffer, DWORD length )
 328 {
 329     return FALSE;
 330 }
 331
 332 static BOOL nulldrv_GetFontRealizationInfo( PHYSDEV dev, void *info )
 333 {
 334     return FALSE;
 335 }
 336
 337 static DWORD nulldrv_GetFontUnicodeRanges( PHYSDEV dev, LPGLYPHSET glyphs )
 338 {
 339     return 0;
 340 }
 341
 342 static DWORD nulldrv_GetGlyphIndices( PHYSDEV dev, LPCWSTR str, INT count, LPWORD indices, DWORD flags )
 343 {
 344     return GDI_ERROR;
 345 }
 346
 347 static DWORD nulldrv_GetGlyphOutline( PHYSDEV dev, UINT ch, UINT format, LPGLYPHMETRICS metrics,
 348                                       DWORD size, LPVOID buffer, const MAT2 *mat )
 349 {
 350     return GDI_ERROR;
 351 }
 352
 353 static BOOL nulldrv_GetICMProfile( PHYSDEV dev, LPDWORD size, LPWSTR filename )
 354 {
 355     return FALSE;
 356 }
 357
 358 static DWORD nulldrv_GetImage( PHYSDEV dev, BITMAPINFO *info, struct gdi_image_bits *bits,
 359                                struct bitblt_coords *src )
 360 {
 361     return ERROR_NOT_SUPPORTED;
 362 }
 363
 364 static DWORD nulldrv_GetKerningPairs( PHYSDEV dev, DWORD count, LPKERNINGPAIR pairs )
 365 {
 366     return 0;
 367 }
 368
 369 static UINT nulldrv_GetOutlineTextMetrics( PHYSDEV dev, UINT size, LPOUTLINETEXTMETRICW otm )
 370 {
 371     return 0;
 372 }
 373
 374 static UINT nulldrv_GetTextCharsetInfo( PHYSDEV dev, LPFONTSIGNATURE fs, DWORD flags )
 375 {
 376     return DEFAULT_CHARSET;
 377 }
 378
 379 static BOOL nulldrv_GetTextExtentExPoint( PHYSDEV dev, LPCWSTR str, INT count, INT *dx )
 380 {
 381     return FALSE;
 382 }
 383
 384 static BOOL nulldrv_GetTextExtentExPointI( PHYSDEV dev, const WORD *indices, INT count, INT *dx )
 385 {
 386     return FALSE;
 387 }
 388
 389 static INT nulldrv_GetTextFace( PHYSDEV dev, INT size, LPWSTR name )
 390 {
 391     INT ret = 0;
 392     LOGFONTW font;
 393     HFONT hfont = GetCurrentObject( dev->hdc, OBJ_FONT );
 394
 395     if (GetObjectW( hfont, sizeof(font), &font ))
 396     {
 397         ret = strlenW( font.lfFaceName ) + 1;
 398         if (name)
 399         {
 400             lstrcpynW( name, font.lfFaceName, size );
 401             ret = min( size, ret );
 402         }
 403     }
 404     return ret;
 405 }
 406
 407 static BOOL nulldrv_GetTextMetrics( PHYSDEV dev, TEXTMETRICW *metrics )
 408 {
 409     return FALSE;
 410 }
 411
 412 static BOOL nulldrv_LineTo( PHYSDEV dev, INT x, INT y )
 413 {
 414     return TRUE;
 415 }
 416
 417 static BOOL nulldrv_MoveTo( PHYSDEV dev, INT x, INT y )
 418 {
 419     return TRUE;
 420 }
 421
 422 static BOOL nulldrv_PaintRgn( PHYSDEV dev, HRGN rgn )
 423 {
 424     return TRUE;
 425 }
 426
 427 static BOOL nulldrv_PatBlt( PHYSDEV dev, struct bitblt_coords *dst, DWORD rop )
 428 {
 429     return TRUE;
 430 }
 431
 432 static BOOL nulldrv_Pie( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
 433                          INT xstart, INT ystart, INT xend, INT yend )
 434 {
 435     return TRUE;
 436 }
 437
 438 static BOOL nulldrv_PolyPolygon( PHYSDEV dev, const POINT *points, const INT *counts, UINT polygons )
 439 {
 440     return TRUE;
 441 }
 442
 443 static BOOL nulldrv_PolyPolyline( PHYSDEV dev, const POINT *points, const DWORD *counts, DWORD lines )
 444 {
 445     return TRUE;
 446 }
 447
 448 static BOOL nulldrv_Polygon( PHYSDEV dev, const POINT *points, INT count )
 449 {
 450     INT counts[1] = { count };
 451
 452     return PolyPolygon( dev->hdc, points, counts, 1 );
 453 }
 454
 455 static BOOL nulldrv_Polyline( PHYSDEV dev, const POINT *points, INT count )
 456 {
 457     DWORD counts[1] = { count };
 458
 459     if (count < 0) return FALSE;
 460     return PolyPolyline( dev->hdc, points, counts, 1 );
 461 }
 462
 463 static DWORD nulldrv_PutImage( PHYSDEV dev, HRGN clip, BITMAPINFO *info,
 464                                const struct gdi_image_bits *bits, struct bitblt_coords *src,
 465                                struct bitblt_coords *dst, DWORD rop )
 466 {
 467     return ERROR_SUCCESS;
 468 }
 469
 470 static UINT nulldrv_RealizeDefaultPalette( PHYSDEV dev )
 471 {
 472     return 0;
 473 }
 474
 475 static UINT nulldrv_RealizePalette( PHYSDEV dev, HPALETTE palette, BOOL primary )
 476 {
 477     return 0;
 478 }
 479
 480 static BOOL nulldrv_Rectangle( PHYSDEV dev, INT left, INT top, INT right, INT bottom )
 481 {
 482     return TRUE;
 483 }
 484
 485 static HDC nulldrv_ResetDC( PHYSDEV dev, const DEVMODEW *devmode )
 486 {
 487     return 0;
 488 }
 489
 490 static BOOL nulldrv_RoundRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
 491                                INT ell_width, INT ell_height )
 492 {
 493     return TRUE;
 494 }
 495
 496 static HBITMAP nulldrv_SelectBitmap( PHYSDEV dev, HBITMAP bitmap )
 497 {
 498     return bitmap;
 499 }
 500
 501 static HBRUSH nulldrv_SelectBrush( PHYSDEV dev, HBRUSH brush, const struct brush_pattern *pattern )
 502 {
 503     return brush;
 504 }
 505
 506 static HPALETTE nulldrv_SelectPalette( PHYSDEV dev, HPALETTE palette, BOOL bkgnd )
 507 {
 508     return palette;
 509 }
 510
 511 static HPEN nulldrv_SelectPen( PHYSDEV dev, HPEN pen, const struct brush_pattern *pattern )
 512 {
 513     return pen;
 514 }
 515
 516 static INT nulldrv_SetArcDirection( PHYSDEV dev, INT dir )
 517 {
 518     return dir;
 519 }
 520
 521 static COLORREF nulldrv_SetBkColor( PHYSDEV dev, COLORREF color )
 522 {
 523     return color;
 524 }
 525
 526 static INT nulldrv_SetBkMode( PHYSDEV dev, INT mode )
 527 {
 528     return mode;
 529 }
 530
 531 static UINT nulldrv_SetBoundsRect( PHYSDEV dev, RECT *rect, UINT flags )
 532 {
 533     return DCB_RESET;
 534 }
 535
 536 static COLORREF nulldrv_SetDCBrushColor( PHYSDEV dev, COLORREF color )
 537 {
 538     return color;
 539 }
 540
 541 static COLORREF nulldrv_SetDCPenColor( PHYSDEV dev, COLORREF color )
 542 {
 543     return color;
 544 }
 545
 546 static void nulldrv_SetDeviceClipping( PHYSDEV dev, HRGN rgn )
 547 {
 548 }
 549
 550 static DWORD nulldrv_SetLayout( PHYSDEV dev, DWORD layout )
 551 {
 552     return layout;
 553 }
 554
 555 static BOOL nulldrv_SetDeviceGammaRamp( PHYSDEV dev, void *ramp )
 556 {
 557     SetLastError( ERROR_INVALID_PARAMETER );
 558     return FALSE;
 559 }
 560
 561 static DWORD nulldrv_SetMapperFlags( PHYSDEV dev, DWORD flags )
 562 {
 563     return flags;
 564 }
 565
 566 static COLORREF nulldrv_SetPixel( PHYSDEV dev, INT x, INT y, COLORREF color )
 567 {
 568     return color;
 569 }
 570
 571 static INT nulldrv_SetPolyFillMode( PHYSDEV dev, INT mode )
 572 {
 573     return mode;
 574 }
 575
 576 static INT nulldrv_SetROP2( PHYSDEV dev, INT rop )
 577 {
 578     return rop;
 579 }
 580
 581 static INT nulldrv_SetRelAbs( PHYSDEV dev, INT mode )
 582 {
 583     return mode;
 584 }
 585
 586 static INT nulldrv_SetStretchBltMode( PHYSDEV dev, INT mode )
 587 {
 588     return mode;
 589 }
 590
 591 static UINT nulldrv_SetTextAlign( PHYSDEV dev, UINT align )
 592 {
 593     return align;
 594 }
 595
 596 static INT nulldrv_SetTextCharacterExtra( PHYSDEV dev, INT extra )
 597 {
 598     return extra;
 599 }
 600
 601 static COLORREF nulldrv_SetTextColor( PHYSDEV dev, COLORREF color )
 602 {
 603     return color;
 604 }
 605
 606 static BOOL nulldrv_SetTextJustification( PHYSDEV dev, INT extra, INT breaks )
 607 {
 608     return TRUE;
 609 }
 610
 611 static INT nulldrv_StartDoc( PHYSDEV dev, const DOCINFOW *info )
 612 {
 613     return 0;
 614 }
 615
 616 static INT nulldrv_StartPage( PHYSDEV dev )
 617 {
 618     return 1;
 619 }
 620
 621 static BOOL nulldrv_UnrealizePalette( HPALETTE palette )
 622 {
 623     return FALSE;
 624 }
 625
 626 static struct opengl_funcs *nulldrv_wine_get_wgl_driver( PHYSDEV dev, UINT version )
 627 {
 628     return (void *)-1;
 629 }
 630
 631 const struct gdi_dc_funcs null_driver =
 632 {
 633     nulldrv_AbortDoc,                   /* pAbortDoc */
 634     nulldrv_AbortPath,                  /* pAbortPath */
 635     nulldrv_AlphaBlend,                 /* pAlphaBlend */
 636     nulldrv_AngleArc,                   /* pAngleArc */
 637     nulldrv_Arc,                        /* pArc */
 638     nulldrv_ArcTo,                      /* pArcTo */
 639     nulldrv_BeginPath,                  /* pBeginPath */
 640     nulldrv_BlendImage,                 /* pBlendImage */
 641     nulldrv_Chord,                      /* pChord */
 642     nulldrv_CloseFigure,                /* pCloseFigure */
 643     nulldrv_CreateCompatibleDC,         /* pCreateCompatibleDC */
 644     nulldrv_CreateDC,                   /* pCreateDC */
 645     nulldrv_DeleteDC,                   /* pDeleteDC */
 646     nulldrv_DeleteObject,               /* pDeleteObject */
 647     nulldrv_DeviceCapabilities,         /* pDeviceCapabilities */
 648     nulldrv_Ellipse,                    /* pEllipse */
 649     nulldrv_EndDoc,                     /* pEndDoc */
 650     nulldrv_EndPage,                    /* pEndPage */
 651     nulldrv_EndPath,                    /* pEndPath */
 652     nulldrv_EnumFonts,                  /* pEnumFonts */
 653     nulldrv_EnumICMProfiles,            /* pEnumICMProfiles */
 654     nulldrv_ExcludeClipRect,            /* pExcludeClipRect */
 655     nulldrv_ExtDeviceMode,              /* pExtDeviceMode */
 656     nulldrv_ExtEscape,                  /* pExtEscape */
 657     nulldrv_ExtFloodFill,               /* pExtFloodFill */
 658     nulldrv_ExtSelectClipRgn,           /* pExtSelectClipRgn */
 659     nulldrv_ExtTextOut,                 /* pExtTextOut */
 660     nulldrv_FillPath,                   /* pFillPath */
 661     nulldrv_FillRgn,                    /* pFillRgn */
 662     nulldrv_FlattenPath,                /* pFlattenPath */
 663     nulldrv_FontIsLinked,               /* pFontIsLinked */
 664     nulldrv_FrameRgn,                   /* pFrameRgn */
 665     nulldrv_GdiComment,                 /* pGdiComment */
 666     nulldrv_GetBoundsRect,              /* pGetBoundsRect */
 667     nulldrv_GetCharABCWidths,           /* pGetCharABCWidths */
 668     nulldrv_GetCharABCWidthsI,          /* pGetCharABCWidthsI */
 669     nulldrv_GetCharWidth,               /* pGetCharWidth */
 670     nulldrv_GetDeviceCaps,              /* pGetDeviceCaps */
 671     nulldrv_GetDeviceGammaRamp,         /* pGetDeviceGammaRamp */
 672     nulldrv_GetFontData,                /* pGetFontData */
 673     nulldrv_GetFontRealizationInfo,     /* pGetFontRealizationInfo */
 674     nulldrv_GetFontUnicodeRanges,       /* pGetFontUnicodeRanges */
 675     nulldrv_GetGlyphIndices,            /* pGetGlyphIndices */
 676     nulldrv_GetGlyphOutline,            /* pGetGlyphOutline */
 677     nulldrv_GetICMProfile,              /* pGetICMProfile */
 678     nulldrv_GetImage,                   /* pGetImage */
 679     nulldrv_GetKerningPairs,            /* pGetKerningPairs */
 680     nulldrv_GetNearestColor,            /* pGetNearestColor */
 681     nulldrv_GetOutlineTextMetrics,      /* pGetOutlineTextMetrics */
 682     nulldrv_GetPixel,                   /* pGetPixel */
 683     nulldrv_GetSystemPaletteEntries,    /* pGetSystemPaletteEntries */
 684     nulldrv_GetTextCharsetInfo,         /* pGetTextCharsetInfo */
 685     nulldrv_GetTextExtentExPoint,       /* pGetTextExtentExPoint */
 686     nulldrv_GetTextExtentExPointI,      /* pGetTextExtentExPointI */
 687     nulldrv_GetTextFace,                /* pGetTextFace */
 688     nulldrv_GetTextMetrics,             /* pGetTextMetrics */
 689     nulldrv_GradientFill,               /* pGradientFill */
 690     nulldrv_IntersectClipRect,          /* pIntersectClipRect */
 691     nulldrv_InvertRgn,                  /* pInvertRgn */
 692     nulldrv_LineTo,                     /* pLineTo */
 693     nulldrv_ModifyWorldTransform,       /* pModifyWorldTransform */
 694     nulldrv_MoveTo,                     /* pMoveTo */
 695     nulldrv_OffsetClipRgn,              /* pOffsetClipRgn */
 696     nulldrv_OffsetViewportOrgEx,        /* pOffsetViewportOrg */
 697     nulldrv_OffsetWindowOrgEx,          /* pOffsetWindowOrg */
 698     nulldrv_PaintRgn,                   /* pPaintRgn */
 699     nulldrv_PatBlt,                     /* pPatBlt */
 700     nulldrv_Pie,                        /* pPie */
 701     nulldrv_PolyBezier,                 /* pPolyBezier */
 702     nulldrv_PolyBezierTo,               /* pPolyBezierTo */
 703     nulldrv_PolyDraw,                   /* pPolyDraw */
 704     nulldrv_PolyPolygon,                /* pPolyPolygon */
 705     nulldrv_PolyPolyline,               /* pPolyPolyline */
 706     nulldrv_Polygon,                    /* pPolygon */
 707     nulldrv_Polyline,                   /* pPolyline */
 708     nulldrv_PolylineTo,                 /* pPolylineTo */
 709     nulldrv_PutImage,                   /* pPutImage */
 710     nulldrv_RealizeDefaultPalette,      /* pRealizeDefaultPalette */
 711     nulldrv_RealizePalette,             /* pRealizePalette */
 712     nulldrv_Rectangle,                  /* pRectangle */
 713     nulldrv_ResetDC,                    /* pResetDC */
 714     nulldrv_RestoreDC,                  /* pRestoreDC */
 715     nulldrv_RoundRect,                  /* pRoundRect */
 716     nulldrv_SaveDC,                     /* pSaveDC */
 717     nulldrv_ScaleViewportExtEx,         /* pScaleViewportExt */
 718     nulldrv_ScaleWindowExtEx,           /* pScaleWindowExt */
 719     nulldrv_SelectBitmap,               /* pSelectBitmap */
 720     nulldrv_SelectBrush,                /* pSelectBrush */
 721     nulldrv_SelectClipPath,             /* pSelectClipPath */
 722     nulldrv_SelectFont,                 /* pSelectFont */
 723     nulldrv_SelectPalette,              /* pSelectPalette */
 724     nulldrv_SelectPen,                  /* pSelectPen */
 725     nulldrv_SetArcDirection,            /* pSetArcDirection */
 726     nulldrv_SetBkColor,                 /* pSetBkColor */
 727     nulldrv_SetBkMode,                  /* pSetBkMode */
 728     nulldrv_SetBoundsRect,              /* pSetBoundsRect */
 729     nulldrv_SetDCBrushColor,            /* pSetDCBrushColor */
 730     nulldrv_SetDCPenColor,              /* pSetDCPenColor */
 731     nulldrv_SetDIBitsToDevice,          /* pSetDIBitsToDevice */
 732     nulldrv_SetDeviceClipping,          /* pSetDeviceClipping */
 733     nulldrv_SetDeviceGammaRamp,         /* pSetDeviceGammaRamp */
 734     nulldrv_SetLayout,                  /* pSetLayout */
 735     nulldrv_SetMapMode,                 /* pSetMapMode */
 736     nulldrv_SetMapperFlags,             /* pSetMapperFlags */
 737     nulldrv_SetPixel,                   /* pSetPixel */
 738     nulldrv_SetPolyFillMode,            /* pSetPolyFillMode */
 739     nulldrv_SetROP2,                    /* pSetROP2 */
 740     nulldrv_SetRelAbs,                  /* pSetRelAbs */
 741     nulldrv_SetStretchBltMode,          /* pSetStretchBltMode */
 742     nulldrv_SetTextAlign,               /* pSetTextAlign */
 743     nulldrv_SetTextCharacterExtra,      /* pSetTextCharacterExtra */
 744     nulldrv_SetTextColor,               /* pSetTextColor */
 745     nulldrv_SetTextJustification,       /* pSetTextJustification */
 746     nulldrv_SetViewportExtEx,           /* pSetViewportExt */
 747     nulldrv_SetViewportOrgEx,           /* pSetViewportOrg */
 748     nulldrv_SetWindowExtEx,             /* pSetWindowExt */
 749     nulldrv_SetWindowOrgEx,             /* pSetWindowOrg */
 750     nulldrv_SetWorldTransform,          /* pSetWorldTransform */
 751     nulldrv_StartDoc,                   /* pStartDoc */
 752     nulldrv_StartPage,                  /* pStartPage */
 753     nulldrv_StretchBlt,                 /* pStretchBlt */
 754     nulldrv_StretchDIBits,              /* pStretchDIBits */
 755     nulldrv_StrokeAndFillPath,          /* pStrokeAndFillPath */
 756     nulldrv_StrokePath,                 /* pStrokePath */
 757     nulldrv_UnrealizePalette,           /* pUnrealizePalette */
 758     nulldrv_WidenPath,                  /* pWidenPath */
 759     nulldrv_wine_get_wgl_driver,        /* wine_get_wgl_driver */
 760
 761     GDI_PRIORITY_NULL_DRV               /* priority */
 762 };
 763
 764
 765 /*****************************************************************************
 766  *      DRIVER_GetDriverName
 767  *
 768  */
 769 BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size )
 770 {
 771     static const WCHAR displayW[] = { 'd','i','s','p','l','a','y',0 };
 772     static const WCHAR devicesW[] = { 'd','e','v','i','c','e','s',0 };
 773     static const WCHAR display1W[] = {'\\','\\','.','\\','D','I','S','P','L','A','Y','1',0};
 774     static const WCHAR empty_strW[] = { 0 };
 775     WCHAR *p;
 776
 777     /* display is a special case */
 778     if (!strcmpiW( device, displayW ) ||
 779         !strcmpiW( device, display1W ))
 780     {
 781         lstrcpynW( driver, displayW, size );
 782         return TRUE;
 783     }
 784
 785     size = GetProfileStringW(devicesW, device, empty_strW, driver, size);
 786     if(!size) {
 787         WARN("Unable to find %s in [devices] section of win.ini\n", debugstr_w(device));
 788         return FALSE;
 789     }
 790     p = strchrW(driver, ',');
 791     if(!p)
 792     {
 793         WARN("%s entry in [devices] section of win.ini is malformed.\n", debugstr_w(device));
 794         return FALSE;
 795     }
 796     *p = 0;
 797     TRACE("Found %s for %s\n", debugstr_w(driver), debugstr_w(device));
 798     return TRUE;
 799 }
 800
 801
 802 /***********************************************************************
 803  *           GdiConvertToDevmodeW    (GDI32.@)
 804  */
 805 DEVMODEW * WINAPI GdiConvertToDevmodeW(const DEVMODEA *dmA)
 806 {
 807     DEVMODEW *dmW;
 808     WORD dmW_size, dmA_size;
 809
 810     dmA_size = dmA->dmSize;
 811
 812     /* this is the minimal dmSize that XP accepts */
 813     if (dmA_size < FIELD_OFFSET(DEVMODEA, dmFields))
 814         return NULL;
 815
 816     if (dmA_size > sizeof(DEVMODEA))
 817         dmA_size = sizeof(DEVMODEA);
 818
 819     dmW_size = dmA_size + CCHDEVICENAME;
 820     if (dmA_size >= FIELD_OFFSET(DEVMODEA, dmFormName) + CCHFORMNAME)
 821         dmW_size += CCHFORMNAME;
 822
 823     dmW = HeapAlloc(GetProcessHeap(), 0, dmW_size + dmA->dmDriverExtra);
 824     if (!dmW) return NULL;
 825
 826     MultiByteToWideChar(CP_ACP, 0, (const char*) dmA->dmDeviceName, -1,
 827                                    dmW->dmDeviceName, CCHDEVICENAME);
 828     /* copy slightly more, to avoid long computations */
 829     memcpy(&dmW->dmSpecVersion, &dmA->dmSpecVersion, dmA_size - CCHDEVICENAME);
 830
 831     if (dmA_size >= FIELD_OFFSET(DEVMODEA, dmFormName) + CCHFORMNAME)
 832     {
 833         if (dmA->dmFields & DM_FORMNAME)
 834             MultiByteToWideChar(CP_ACP, 0, (const char*) dmA->dmFormName, -1,
 835                                        dmW->dmFormName, CCHFORMNAME);
 836         else
 837             dmW->dmFormName[0] = 0;
 838
 839         if (dmA_size > FIELD_OFFSET(DEVMODEA, dmLogPixels))
 840             memcpy(&dmW->dmLogPixels, &dmA->dmLogPixels, dmA_size - FIELD_OFFSET(DEVMODEA, dmLogPixels));
 841     }
 842
 843     if (dmA->dmDriverExtra)
 844         memcpy((char *)dmW + dmW_size, (const char *)dmA + dmA_size, dmA->dmDriverExtra);
 845
 846     dmW->dmSize = dmW_size;
 847
 848     return dmW;
 849 }
 850
 851
 852 /*****************************************************************************
 853  *      @ [GDI32.100]
 854  *
 855  * This should thunk to 16-bit and simply call the proc with the given args.
 856  */
 857 INT WINAPI GDI_CallDevInstall16( FARPROC16 lpfnDevInstallProc, HWND hWnd,
 858                                  LPSTR lpModelName, LPSTR OldPort, LPSTR NewPort )
 859 {
 860     FIXME("(%p, %p, %s, %s, %s)\n", lpfnDevInstallProc, hWnd, lpModelName, OldPort, NewPort );
 861     return -1;
 862 }
 863
 864 /*****************************************************************************
 865  *      @ [GDI32.101]
 866  *
 867  * This should load the correct driver for lpszDevice and calls this driver's
 868  * ExtDeviceModePropSheet proc.
 869  *
 870  * Note: The driver calls a callback routine for each property sheet page; these
 871  * pages are supposed to be filled into the structure pointed to by lpPropSheet.
 872  * The layout of this structure is:
 873  *
 874  * struct
 875  * {
 876  *   DWORD  nPages;
 877  *   DWORD  unknown;
 878  *   HPROPSHEETPAGE  pages[10];
 879  * };
 880  */
 881 INT WINAPI GDI_CallExtDeviceModePropSheet16( HWND hWnd, LPCSTR lpszDevice,
 882                                              LPCSTR lpszPort, LPVOID lpPropSheet )
 883 {
 884     FIXME("(%p, %s, %s, %p)\n", hWnd, lpszDevice, lpszPort, lpPropSheet );
 885     return -1;
 886 }
 887
 888 /*****************************************************************************
 889  *      @ [GDI32.102]
 890  *
 891  * This should load the correct driver for lpszDevice and call this driver's
 892  * ExtDeviceMode proc.
 893  *
 894  * FIXME: convert ExtDeviceMode to unicode in the driver interface
 895  */
 896 INT WINAPI GDI_CallExtDeviceMode16( HWND hwnd,
 897                                     LPDEVMODEA lpdmOutput, LPSTR lpszDevice,
 898                                     LPSTR lpszPort, LPDEVMODEA lpdmInput,
 899                                     LPSTR lpszProfile, DWORD fwMode )
 900 {
 901     WCHAR deviceW[300];
 902     WCHAR bufW[300];
 903     char buf[300];
 904     HDC hdc;
 905     DC *dc;
 906     INT ret = -1;
 907
 908     TRACE("(%p, %p, %s, %s, %p, %s, %d)\n",
 909           hwnd, lpdmOutput, lpszDevice, lpszPort, lpdmInput, lpszProfile, fwMode );
 910
 911     if (!lpszDevice) return -1;
 912     if (!MultiByteToWideChar(CP_ACP, 0, lpszDevice, -1, deviceW, 300)) return -1;
 913
 914     if(!DRIVER_GetDriverName( deviceW, bufW, 300 )) return -1;
 915
 916     if (!WideCharToMultiByte(CP_ACP, 0, bufW, -1, buf, 300, NULL, NULL)) return -1;
 917
 918     if (!(hdc = CreateICA( buf, lpszDevice, lpszPort, NULL ))) return -1;
 919
 920     if ((dc = get_dc_ptr( hdc )))
 921     {
 922         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pExtDeviceMode );
 923         ret = physdev->funcs->pExtDeviceMode( buf, hwnd, lpdmOutput, lpszDevice, lpszPort,
 924                                               lpdmInput, lpszProfile, fwMode );
 925         release_dc_ptr( dc );
 926     }
 927     DeleteDC( hdc );
 928     return ret;
 929 }
 930
 931 /****************************************************************************
 932  *      @ [GDI32.103]
 933  *
 934  * This should load the correct driver for lpszDevice and calls this driver's
 935  * AdvancedSetupDialog proc.
 936  */
 937 INT WINAPI GDI_CallAdvancedSetupDialog16( HWND hwnd, LPSTR lpszDevice,
 938                                           LPDEVMODEA devin, LPDEVMODEA devout )
 939 {
 940     TRACE("(%p, %s, %p, %p)\n", hwnd, lpszDevice, devin, devout );
 941     return -1;
 942 }
 943
 944 /*****************************************************************************
 945  *      @ [GDI32.104]
 946  *
 947  * This should load the correct driver for lpszDevice and calls this driver's
 948  * DeviceCapabilities proc.
 949  *
 950  * FIXME: convert DeviceCapabilities to unicode in the driver interface
 951  */
 952 DWORD WINAPI GDI_CallDeviceCapabilities16( LPCSTR lpszDevice, LPCSTR lpszPort,
 953                                            WORD fwCapability, LPSTR lpszOutput,
 954                                            LPDEVMODEA lpdm )
 955 {
 956     WCHAR deviceW[300];
 957     WCHAR bufW[300];
 958     char buf[300];
 959     HDC hdc;
 960     DC *dc;
 961     INT ret = -1;
 962
 963     TRACE("(%s, %s, %d, %p, %p)\n", lpszDevice, lpszPort, fwCapability, lpszOutput, lpdm );
 964
 965     if (!lpszDevice) return -1;
 966     if (!MultiByteToWideChar(CP_ACP, 0, lpszDevice, -1, deviceW, 300)) return -1;
 967
 968     if(!DRIVER_GetDriverName( deviceW, bufW, 300 )) return -1;
 969
 970     if (!WideCharToMultiByte(CP_ACP, 0, bufW, -1, buf, 300, NULL, NULL)) return -1;
 971
 972     if (!(hdc = CreateICA( buf, lpszDevice, lpszPort, NULL ))) return -1;
 973
 974     if ((dc = get_dc_ptr( hdc )))
 975     {
 976         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pDeviceCapabilities );
 977         ret = physdev->funcs->pDeviceCapabilities( buf, lpszDevice, lpszPort,
 978                                                    fwCapability, lpszOutput, lpdm );
 979         release_dc_ptr( dc );
 980     }
 981     DeleteDC( hdc );
 982     return ret;
 983 }
 984
 985
 986 /************************************************************************
 987  *             Escape  [GDI32.@]
 988  */
 989 INT WINAPI Escape( HDC hdc, INT escape, INT in_count, LPCSTR in_data, LPVOID out_data )
 990 {
 991     INT ret;
 992     POINT *pt;
 993
 994     switch (escape)
 995     {
 996     case ABORTDOC:
 997         return AbortDoc( hdc );
 998
 999     case ENDDOC:
1000         return EndDoc( hdc );
1001
1002     case GETPHYSPAGESIZE:
1003         pt = out_data;
1004         pt->x = GetDeviceCaps( hdc, PHYSICALWIDTH );
1005         pt->y = GetDeviceCaps( hdc, PHYSICALHEIGHT );
1006         return 1;
1007
1008     case GETPRINTINGOFFSET:
1009         pt = out_data;
1010         pt->x = GetDeviceCaps( hdc, PHYSICALOFFSETX );
1011         pt->y = GetDeviceCaps( hdc, PHYSICALOFFSETY );
1012         return 1;
1013
1014     case GETSCALINGFACTOR:
1015         pt = out_data;
1016         pt->x = GetDeviceCaps( hdc, SCALINGFACTORX );
1017         pt->y = GetDeviceCaps( hdc, SCALINGFACTORY );
1018         return 1;
1019
1020     case NEWFRAME:
1021         return EndPage( hdc );
1022
1023     case SETABORTPROC:
1024         return SetAbortProc( hdc, (ABORTPROC)in_data );
1025
1026     case STARTDOC:
1027         {
1028             DOCINFOA doc;
1029             char *name = NULL;
1030
1031             /* in_data may not be 0 terminated so we must copy it */
1032             if (in_data)
1033             {
1034                 name = HeapAlloc( GetProcessHeap(), 0, in_count+1 );
1035                 memcpy( name, in_data, in_count );
1036                 name[in_count] = 0;
1037             }
1038             /* out_data is actually a pointer to the DocInfo structure and used as
1039              * a second input parameter */
1040             if (out_data) doc = *(DOCINFOA *)out_data;
1041             else
1042             {
1043                 doc.cbSize = sizeof(doc);
1044                 doc.lpszOutput = NULL;
1045                 doc.lpszDatatype = NULL;
1046                 doc.fwType = 0;
1047             }
1048             doc.lpszDocName = name;
1049             ret = StartDocA( hdc, &doc );
1050             HeapFree( GetProcessHeap(), 0, name );
1051             if (ret > 0) ret = StartPage( hdc );
1052             return ret;
1053         }
1054
1055     case QUERYESCSUPPORT:
1056         {
1057             DWORD code;
1058
1059             if (in_count < sizeof(SHORT)) return 0;
1060             code = (in_count < sizeof(DWORD)) ? *(const USHORT *)in_data : *(const DWORD *)in_data;
1061             switch (code)
1062             {
1063             case ABORTDOC:
1064             case ENDDOC:
1065             case GETPHYSPAGESIZE:
1066             case GETPRINTINGOFFSET:
1067             case GETSCALINGFACTOR:
1068             case NEWFRAME:
1069             case QUERYESCSUPPORT:
1070             case SETABORTPROC:
1071             case STARTDOC:
1072                 return TRUE;
1073             }
1074             break;
1075         }
1076     }
1077
1078     /* if not handled internally, pass it to the driver */
1079     return ExtEscape( hdc, escape, in_count, in_data, 0, out_data );
1080 }
1081
1082
1083 /******************************************************************************
1084  *              ExtEscape       [GDI32.@]
1085  *
1086  * Access capabilities of a particular device that are not available through GDI.
1087  *
1088  * PARAMS
1089  *    hdc         [I] Handle to device context
1090  *    nEscape     [I] Escape function
1091  *    cbInput     [I] Number of bytes in input structure
1092  *    lpszInData  [I] Pointer to input structure
1093  *    cbOutput    [I] Number of bytes in output structure
1094  *    lpszOutData [O] Pointer to output structure
1095  *
1096  * RETURNS
1097  *    Success: >0
1098  *    Not implemented: 0
1099  *    Failure: <0
1100  */
1101 INT WINAPI ExtEscape( HDC hdc, INT nEscape, INT cbInput, LPCSTR lpszInData,
1102                       INT cbOutput, LPSTR lpszOutData )
1103 {
1104     PHYSDEV physdev;
1105     INT ret;
1106     DC * dc = get_dc_ptr( hdc );
1107
1108     if (!dc) return 0;
1109     update_dc( dc );
1110     physdev = GET_DC_PHYSDEV( dc, pExtEscape );
1111     ret = physdev->funcs->pExtEscape( physdev, nEscape, cbInput, lpszInData, cbOutput, lpszOutData );
1112     release_dc_ptr( dc );
1113     return ret;
1114 }
1115
1116
1117 /*******************************************************************
1118  *      DrawEscape [GDI32.@]
1119  *
1120  *
1121  */
1122 INT WINAPI DrawEscape(HDC hdc, INT nEscape, INT cbInput, LPCSTR lpszInData)
1123 {
1124     FIXME("DrawEscape, stub\n");
1125     return 0;
1126 }
1127
1128 /*******************************************************************
1129  *      NamedEscape [GDI32.@]
1130  */
1131 INT WINAPI NamedEscape( HDC hdc, LPCWSTR pDriver, INT nEscape, INT cbInput, LPCSTR lpszInData,
1132                         INT cbOutput, LPSTR lpszOutData )
1133 {
1134     FIXME("(%p, %s, %d, %d, %p, %d, %p)\n",
1135           hdc, wine_dbgstr_w(pDriver), nEscape, cbInput, lpszInData, cbOutput,
1136           lpszOutData);
1137     return 0;
1138 }
1139
1140 /*******************************************************************
1141  *      DdQueryDisplaySettingsUniqueness [GDI32.@]
1142  *      GdiEntry13                       [GDI32.@]
1143  */
1144 ULONG WINAPI DdQueryDisplaySettingsUniqueness(VOID)
1145 {
1146     static int warn_once;
1147
1148     if (!warn_once++)
1149         FIXME("stub\n");
1150     return 0;
1151 }
1152
1153 /******************************************************************************
1154  *              D3DKMTOpenAdapterFromHdc [GDI32.@]
1155  */
1156 NTSTATUS WINAPI D3DKMTOpenAdapterFromHdc( void *pData )
1157 {
1158     FIXME("(%p): stub\n", pData);
1159     return STATUS_NO_MEMORY;
1160 }
1161
1162 /******************************************************************************
1163  *              D3DKMTEscape [GDI32.@]
1164  */
1165 NTSTATUS WINAPI D3DKMTEscape( const void *pData )
1166 {
1167     FIXME("(%p): stub\n", pData);
1168     return STATUS_NO_MEMORY;
1169 }