dlls/gdi32/driver.c

   1 /*
   2  * Graphics driver management functions
   3  *
   4  * Copyright 1994 Bob Amstadt
   5  * Copyright 1996, 2001 Alexandre Julliard
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  20  */
  21
  22 #include "config.h"
  23 #include "wine/port.h"
  24
  25 #include <assert.h>
  26 #include <stdarg.h>
  27 #include <string.h>
  28 #include <stdio.h>
  29 #include "windef.h"
  30 #include "winbase.h"
  31 #include "winreg.h"
  32 #include "ddrawgdi.h"
  33 #include "wine/winbase16.h"
  34
  35 #include "gdi_private.h"
  36 #include "wine/unicode.h"
  37 #include "wine/list.h"
  38 #include "wine/debug.h"
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(driver);
  41
  42 struct graphics_driver
  43 {
  44     struct list                entry;
  45     HMODULE                    module;  /* module handle */
  46     const struct gdi_dc_funcs *funcs;
  47 };
  48
  49 static struct list drivers = LIST_INIT( drivers );
  50 static struct graphics_driver *display_driver;
  51
  52 static CRITICAL_SECTION driver_section;
  53 static CRITICAL_SECTION_DEBUG critsect_debug =
  54 {
  55     0, 0, &driver_section,
  56     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
  57       0, 0, { (DWORD_PTR)(__FILE__ ": driver_section") }
  58 };
  59 static CRITICAL_SECTION driver_section = { &critsect_debug, -1, 0, 0, 0, 0 };
  60
  61 /**********************************************************************
  62  *           create_driver
  63  *
  64  * Allocate and fill the driver structure for a given module.
  65  */
  66 static struct graphics_driver *create_driver( HMODULE module )
  67 {
  68     static const struct gdi_dc_funcs empty_funcs;
  69     const struct gdi_dc_funcs *funcs = NULL;
  70     struct graphics_driver *driver;
  71
  72     if (!(driver = HeapAlloc( GetProcessHeap(), 0, sizeof(*driver)))) return NULL;
  73     driver->module = module;
  74
  75     if (module)
  76     {
  77         const struct gdi_dc_funcs * (CDECL *wine_get_gdi_driver)( unsigned int version );
  78
  79         if ((wine_get_gdi_driver = (void *)GetProcAddress( module, "wine_get_gdi_driver" )))
  80             funcs = wine_get_gdi_driver( WINE_GDI_DRIVER_VERSION );
  81     }
  82     if (!funcs) funcs = &empty_funcs;
  83     driver->funcs = funcs;
  84     return driver;
  85 }
  86
  87
  88 /**********************************************************************
  89  *           DRIVER_get_display_driver
  90  *
  91  * Special case for loading the display driver: get the name from the config file
  92  */
  93 const DC_FUNCTIONS *DRIVER_get_display_driver(void)
  94 {
  95     struct graphics_driver *driver;
  96     char buffer[MAX_PATH], libname[32], *name, *next;
  97     HMODULE module = 0;
  98     HKEY hkey;
  99
 100     if (display_driver) return display_driver->funcs;  /* already loaded */
 101
 102     strcpy( buffer, "x11" );  /* default value */
 103     /* @@ Wine registry key: HKCU\Software\Wine\Drivers */
 104     if (!RegOpenKeyA( HKEY_CURRENT_USER, "Software\\Wine\\Drivers", &hkey ))
 105     {
 106         DWORD type, count = sizeof(buffer);
 107         RegQueryValueExA( hkey, "Graphics", 0, &type, (LPBYTE) buffer, &count );
 108         RegCloseKey( hkey );
 109     }
 110
 111     name = buffer;
 112     while (name)
 113     {
 114         next = strchr( name, ',' );
 115         if (next) *next++ = 0;
 116
 117         snprintf( libname, sizeof(libname), "wine%s.drv", name );
 118         if ((module = LoadLibraryA( libname )) != 0) break;
 119         name = next;
 120     }
 121
 122     if (!(driver = create_driver( module )))
 123     {
 124         MESSAGE( "Could not create graphics driver '%s'\n", buffer );
 125         FreeLibrary( module );
 126         ExitProcess(1);
 127     }
 128     if (InterlockedCompareExchangePointer( (void **)&display_driver, driver, NULL ))
 129     {
 130         /* somebody beat us to it */
 131         FreeLibrary( driver->module );
 132         HeapFree( GetProcessHeap(), 0, driver );
 133     }
 134     return display_driver->funcs;
 135 }
 136
 137
 138 /**********************************************************************
 139  *           DRIVER_load_driver
 140  */
 141 const DC_FUNCTIONS *DRIVER_load_driver( LPCWSTR name )
 142 {
 143     HMODULE module;
 144     struct graphics_driver *driver, *new_driver;
 145     static const WCHAR displayW[] = { 'd','i','s','p','l','a','y',0 };
 146     static const WCHAR display1W[] = {'\\','\\','.','\\','D','I','S','P','L','A','Y','1',0};
 147
 148     /* display driver is a special case */
 149     if (!strcmpiW( name, displayW ) || !strcmpiW( name, display1W )) return DRIVER_get_display_driver();
 150
 151     if ((module = GetModuleHandleW( name )))
 152     {
 153         if (display_driver && display_driver->module == module) return display_driver->funcs;
 154         EnterCriticalSection( &driver_section );
 155         LIST_FOR_EACH_ENTRY( driver, &drivers, struct graphics_driver, entry )
 156         {
 157             if (driver->module == module) goto done;
 158         }
 159         LeaveCriticalSection( &driver_section );
 160     }
 161
 162     if (!(module = LoadLibraryW( name ))) return NULL;
 163
 164     if (!(new_driver = create_driver( module )))
 165     {
 166         FreeLibrary( module );
 167         return NULL;
 168     }
 169
 170     /* check if someone else added it in the meantime */
 171     EnterCriticalSection( &driver_section );
 172     LIST_FOR_EACH_ENTRY( driver, &drivers, struct graphics_driver, entry )
 173     {
 174         if (driver->module != module) continue;
 175         FreeLibrary( module );
 176         HeapFree( GetProcessHeap(), 0, new_driver );
 177         goto done;
 178     }
 179     driver = new_driver;
 180     list_add_head( &drivers, &driver->entry );
 181     TRACE( "loaded driver %p for %s\n", driver, debugstr_w(name) );
 182 done:
 183     LeaveCriticalSection( &driver_section );
 184     return driver->funcs;
 185 }
 186
 187
 188 static INT nulldrv_AbortDoc( PHYSDEV dev )
 189 {
 190     return 0;
 191 }
 192
 193 static BOOL nulldrv_AlphaBlend( PHYSDEV dst_dev, struct bitblt_coords *dst,
 194                                 PHYSDEV src_dev, struct bitblt_coords *src, BLENDFUNCTION func)
 195 {
 196     return TRUE;
 197 }
 198
 199 static BOOL nulldrv_Arc( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
 200                          INT xstart, INT ystart, INT xend, INT yend )
 201 {
 202     return TRUE;
 203 }
 204
 205 static INT nulldrv_ChoosePixelFormat( PHYSDEV dev, const PIXELFORMATDESCRIPTOR *descr )
 206 {
 207     return 0;
 208 }
 209
 210 static BOOL nulldrv_Chord( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
 211                            INT xstart, INT ystart, INT xend, INT yend )
 212 {
 213     return TRUE;
 214 }
 215
 216 static BOOL nulldrv_CreateBitmap( PHYSDEV dev, HBITMAP bitmap, LPVOID bits )
 217 {
 218     return TRUE;
 219 }
 220
 221 static BOOL nulldrv_CreateDC( HDC hdc, PHYSDEV *dev, LPCWSTR driver, LPCWSTR device,
 222                               LPCWSTR output, const DEVMODEW *devmode )
 223 {
 224     assert(0);  /* should never be called */
 225     return FALSE;
 226 }
 227
 228 static HBITMAP nulldrv_CreateDIBSection( PHYSDEV dev, HBITMAP bitmap, const BITMAPINFO *info, UINT usage )
 229 {
 230     return bitmap;
 231 }
 232
 233 static BOOL nulldrv_DeleteBitmap( HBITMAP bitmap )
 234 {
 235     return TRUE;
 236 }
 237
 238 static BOOL nulldrv_DeleteDC( PHYSDEV dev )
 239 {
 240     assert(0);  /* should never be called */
 241     return TRUE;
 242 }
 243
 244 static BOOL nulldrv_DeleteObject( PHYSDEV dev, HGDIOBJ obj )
 245 {
 246     return TRUE;
 247 }
 248
 249 static INT nulldrv_DescribePixelFormat( PHYSDEV dev, INT format, UINT size, PIXELFORMATDESCRIPTOR * descr )
 250 {
 251     return 0;
 252 }
 253
 254 static DWORD nulldrv_DeviceCapabilities( LPSTR buffer, LPCSTR device, LPCSTR port,
 255                                          WORD cap, LPSTR output, DEVMODEA *devmode )
 256 {
 257     return -1;
 258 }
 259
 260 static BOOL nulldrv_Ellipse( PHYSDEV dev, INT left, INT top, INT right, INT bottom )
 261 {
 262     return TRUE;
 263 }
 264
 265 static INT nulldrv_EndDoc( PHYSDEV dev )
 266 {
 267     return 0;
 268 }
 269
 270 static INT nulldrv_EndPage( PHYSDEV dev )
 271 {
 272     return 0;
 273 }
 274
 275 static BOOL nulldrv_EnumDeviceFonts( PHYSDEV dev, LOGFONTW *logfont, FONTENUMPROCW proc, LPARAM lParam )
 276 {
 277     return FALSE;
 278 }
 279
 280 static INT nulldrv_EnumICMProfiles( PHYSDEV dev, ICMENUMPROCW func, LPARAM lparam )
 281 {
 282     return -1;
 283 }
 284
 285 static INT nulldrv_ExtDeviceMode( LPSTR buffer, HWND hwnd, DEVMODEA *output, LPSTR device,
 286                                   LPSTR port, DEVMODEA *input, LPSTR profile, DWORD mode )
 287 {
 288     return -1;
 289 }
 290
 291 static INT nulldrv_ExtEscape( PHYSDEV dev, INT escape, INT in_size, const void *in_data,
 292                                     INT out_size, void *out_data )
 293 {
 294     return 0;
 295 }
 296
 297 static BOOL nulldrv_ExtFloodFill( PHYSDEV dev, INT x, INT y, COLORREF color, UINT type )
 298 {
 299     return TRUE;
 300 }
 301
 302 static BOOL nulldrv_ExtTextOut( PHYSDEV dev, INT x, INT y, UINT flags, const RECT *rect,
 303                                 LPCWSTR str, UINT count, const INT *dx )
 304 {
 305     return TRUE;
 306 }
 307
 308 static BOOL nulldrv_GdiComment( PHYSDEV dev, UINT size, const BYTE *data )
 309 {
 310     return FALSE;
 311 }
 312
 313 static BOOL nulldrv_GetCharWidth( PHYSDEV dev, UINT first, UINT last, INT *buffer )
 314 {
 315     return FALSE;
 316 }
 317
 318 static INT nulldrv_GetDeviceCaps( PHYSDEV dev, INT cap )
 319 {
 320     switch (cap)  /* return meaningful values for some entries */
 321     {
 322     case HORZRES:     return 640;
 323     case VERTRES:     return 480;
 324     case BITSPIXEL:   return 1;
 325     case PLANES:      return 1;
 326     case NUMCOLORS:   return 2;
 327     case ASPECTX:     return 36;
 328     case ASPECTY:     return 36;
 329     case ASPECTXY:    return 51;
 330     case LOGPIXELSX:  return 72;
 331     case LOGPIXELSY:  return 72;
 332     case SIZEPALETTE: return 2;
 333     case TEXTCAPS:    return (TC_OP_CHARACTER | TC_OP_STROKE | TC_CP_STROKE |
 334                               TC_CR_ANY | TC_SF_X_YINDEP | TC_SA_DOUBLE | TC_SA_INTEGER |
 335                               TC_SA_CONTIN | TC_UA_ABLE | TC_SO_ABLE | TC_RA_ABLE | TC_VA_ABLE);
 336     default:          return 0;
 337     }
 338 }
 339
 340 static BOOL nulldrv_GetDeviceGammaRamp( PHYSDEV dev, void *ramp )
 341 {
 342     return FALSE;
 343 }
 344
 345 static BOOL nulldrv_GetICMProfile( PHYSDEV dev, LPDWORD size, LPWSTR filename )
 346 {
 347     return FALSE;
 348 }
 349
 350 static COLORREF nulldrv_GetPixel( PHYSDEV dev, INT x, INT y )
 351 {
 352     return 0;
 353 }
 354
 355 static INT nulldrv_GetPixelFormat( PHYSDEV dev )
 356 {
 357     return 0;
 358 }
 359
 360 static UINT nulldrv_GetSystemPaletteEntries( PHYSDEV dev, UINT start, UINT count, PALETTEENTRY *entries )
 361 {
 362     return 0;
 363 }
 364
 365 static BOOL nulldrv_GetTextExtentExPoint( PHYSDEV dev, LPCWSTR str, INT count, INT max_ext,
 366                                           INT *fit, INT *dx, SIZE *size )
 367 {
 368     return FALSE;
 369 }
 370
 371 static BOOL nulldrv_GetTextMetrics( PHYSDEV dev, TEXTMETRICW *metrics )
 372 {
 373     return FALSE;
 374 }
 375
 376 static BOOL nulldrv_LineTo( PHYSDEV dev, INT x, INT y )
 377 {
 378     return TRUE;
 379 }
 380
 381 static BOOL nulldrv_MoveTo( PHYSDEV dev, INT x, INT y )
 382 {
 383     return TRUE;
 384 }
 385
 386 static BOOL nulldrv_PaintRgn( PHYSDEV dev, HRGN rgn )
 387 {
 388     return TRUE;
 389 }
 390
 391 static BOOL nulldrv_PatBlt( PHYSDEV dev, struct bitblt_coords *dst, DWORD rop )
 392 {
 393     return TRUE;
 394 }
 395
 396 static BOOL nulldrv_Pie( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
 397                          INT xstart, INT ystart, INT xend, INT yend )
 398 {
 399     return TRUE;
 400 }
 401
 402 static BOOL nulldrv_PolyPolygon( PHYSDEV dev, const POINT *points, const INT *counts, UINT polygons )
 403 {
 404     /* FIXME: could be implemented with Polygon */
 405     return TRUE;
 406 }
 407
 408 static BOOL nulldrv_PolyPolyline( PHYSDEV dev, const POINT *points, const DWORD *counts, DWORD lines )
 409 {
 410     /* FIXME: could be implemented with Polyline */
 411     return TRUE;
 412 }
 413
 414 static BOOL nulldrv_Polygon( PHYSDEV dev, const POINT *points, INT count )
 415 {
 416     return TRUE;
 417 }
 418
 419 static BOOL nulldrv_Polyline( PHYSDEV dev, const POINT *points, INT count )
 420 {
 421     return TRUE;
 422 }
 423
 424 static DWORD nulldrv_PutImage( PHYSDEV dev, HBITMAP hbitmap, HRGN clip, BITMAPINFO *info,
 425                                const struct gdi_image_bits *bits, struct bitblt_coords *src,
 426                                struct bitblt_coords *dst, DWORD rop )
 427 {
 428     return ERROR_SUCCESS;
 429 }
 430
 431 static UINT nulldrv_RealizeDefaultPalette( PHYSDEV dev )
 432 {
 433     return 0;
 434 }
 435
 436 static UINT nulldrv_RealizePalette( PHYSDEV dev, HPALETTE palette, BOOL primary )
 437 {
 438     return 0;
 439 }
 440
 441 static BOOL nulldrv_Rectangle( PHYSDEV dev, INT left, INT top, INT right, INT bottom )
 442 {
 443     return TRUE;
 444 }
 445
 446 static HDC nulldrv_ResetDC( PHYSDEV dev, const DEVMODEW *devmode )
 447 {
 448     return 0;
 449 }
 450
 451 static BOOL nulldrv_RoundRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
 452                                INT ell_width, INT ell_height )
 453 {
 454     return TRUE;
 455 }
 456
 457 static HBITMAP nulldrv_SelectBitmap( PHYSDEV dev, HBITMAP bitmap )
 458 {
 459     return bitmap;
 460 }
 461
 462 static HBRUSH nulldrv_SelectBrush( PHYSDEV dev, HBRUSH brush )
 463 {
 464     return brush;
 465 }
 466
 467 static HFONT nulldrv_SelectFont( PHYSDEV dev, HFONT font, HANDLE gdi_font )
 468 {
 469     return 0;
 470 }
 471
 472 static HPALETTE nulldrv_SelectPalette( PHYSDEV dev, HPALETTE palette, BOOL bkgnd )
 473 {
 474     return palette;
 475 }
 476
 477 static HPEN nulldrv_SelectPen( PHYSDEV dev, HPEN pen )
 478 {
 479     return pen;
 480 }
 481
 482 static INT nulldrv_SetArcDirection( PHYSDEV dev, INT dir )
 483 {
 484     return dir;
 485 }
 486
 487 static COLORREF nulldrv_SetBkColor( PHYSDEV dev, COLORREF color )
 488 {
 489     return color;
 490 }
 491
 492 static INT nulldrv_SetBkMode( PHYSDEV dev, INT mode )
 493 {
 494     return mode;
 495 }
 496
 497 static COLORREF nulldrv_SetDCBrushColor( PHYSDEV dev, COLORREF color )
 498 {
 499     return color;
 500 }
 501
 502 static COLORREF nulldrv_SetDCPenColor( PHYSDEV dev, COLORREF color )
 503 {
 504     return color;
 505 }
 506
 507 static UINT nulldrv_SetDIBColorTable( PHYSDEV dev, UINT pos, UINT count, const RGBQUAD *colors )
 508 {
 509     return 0;
 510 }
 511
 512 static INT nulldrv_SetDIBitsToDevice( PHYSDEV dev, INT x_dst, INT y_dst, DWORD width, DWORD height,
 513                                       INT x_src, INT y_src, UINT start, UINT lines,
 514                                       const void *bits, const BITMAPINFO *info, UINT coloruse )
 515 {
 516     return 0;
 517 }
 518
 519 static void nulldrv_SetDeviceClipping( PHYSDEV dev, HRGN vis_rgn, HRGN clip_rgn )
 520 {
 521 }
 522
 523 static DWORD nulldrv_SetLayout( PHYSDEV dev, DWORD layout )
 524 {
 525     return layout;
 526 }
 527
 528 static BOOL nulldrv_SetDeviceGammaRamp( PHYSDEV dev, void *ramp )
 529 {
 530     return FALSE;
 531 }
 532
 533 static DWORD nulldrv_SetMapperFlags( PHYSDEV dev, DWORD flags )
 534 {
 535     return flags;
 536 }
 537
 538 static COLORREF nulldrv_SetPixel( PHYSDEV dev, INT x, INT y, COLORREF color )
 539 {
 540     return color;
 541 }
 542
 543 static BOOL nulldrv_SetPixelFormat( PHYSDEV dev, INT format, const PIXELFORMATDESCRIPTOR *descr )
 544 {
 545     return FALSE;
 546 }
 547
 548 static INT nulldrv_SetPolyFillMode( PHYSDEV dev, INT mode )
 549 {
 550     return mode;
 551 }
 552
 553 static INT nulldrv_SetROP2( PHYSDEV dev, INT rop )
 554 {
 555     return rop;
 556 }
 557
 558 static INT nulldrv_SetRelAbs( PHYSDEV dev, INT mode )
 559 {
 560     return mode;
 561 }
 562
 563 static INT nulldrv_SetStretchBltMode( PHYSDEV dev, INT mode )
 564 {
 565     return mode;
 566 }
 567
 568 static UINT nulldrv_SetTextAlign( PHYSDEV dev, UINT align )
 569 {
 570     return align;
 571 }
 572
 573 static INT nulldrv_SetTextCharacterExtra( PHYSDEV dev, INT extra )
 574 {
 575     return extra;
 576 }
 577
 578 static COLORREF nulldrv_SetTextColor( PHYSDEV dev, COLORREF color )
 579 {
 580     return color;
 581 }
 582
 583 static BOOL nulldrv_SetTextJustification( PHYSDEV dev, INT extra, INT breaks )
 584 {
 585     return TRUE;
 586 }
 587
 588 static INT nulldrv_StartDoc( PHYSDEV dev, const DOCINFOW *info )
 589 {
 590     return 0;
 591 }
 592
 593 static INT nulldrv_StartPage( PHYSDEV dev )
 594 {
 595     return 1;
 596 }
 597
 598 static BOOL nulldrv_SwapBuffers( PHYSDEV dev )
 599 {
 600     return TRUE;
 601 }
 602
 603 static BOOL nulldrv_UnrealizePalette( HPALETTE palette )
 604 {
 605     return FALSE;
 606 }
 607
 608 static BOOL nulldrv_wglCopyContext( HGLRC ctx_src, HGLRC ctx_dst, UINT mask )
 609 {
 610     return FALSE;
 611 }
 612
 613 static HGLRC nulldrv_wglCreateContext( PHYSDEV dev )
 614 {
 615     return 0;
 616 }
 617
 618 static HGLRC nulldrv_wglCreateContextAttribsARB( PHYSDEV dev, HGLRC share_ctx, const int *attribs )
 619 {
 620     return 0;
 621 }
 622
 623 static BOOL nulldrv_wglDeleteContext( HGLRC ctx )
 624 {
 625     return FALSE;
 626 }
 627
 628 static PROC nulldrv_wglGetProcAddress( LPCSTR name )
 629 {
 630     return NULL;
 631 }
 632
 633 static HDC nulldrv_wglGetPbufferDCARB( PHYSDEV dev, void *pbuffer )
 634 {
 635     return 0;
 636 }
 637
 638 static BOOL nulldrv_wglMakeCurrent( PHYSDEV dev, HGLRC ctx )
 639 {
 640     return FALSE;
 641 }
 642
 643 static BOOL nulldrv_wglMakeContextCurrentARB( PHYSDEV dev_draw, PHYSDEV dev_read, HGLRC ctx )
 644 {
 645     return FALSE;
 646 }
 647
 648 static BOOL nulldrv_wglSetPixelFormatWINE( PHYSDEV dev, INT format, const PIXELFORMATDESCRIPTOR *descr )
 649 {
 650     return FALSE;
 651 }
 652
 653 static BOOL nulldrv_wglShareLists( HGLRC ctx1, HGLRC ctx2 )
 654 {
 655     return FALSE;
 656 }
 657
 658 static BOOL nulldrv_wglUseFontBitmapsA( PHYSDEV dev, DWORD start, DWORD count, DWORD base )
 659 {
 660     return FALSE;
 661 }
 662
 663 static BOOL nulldrv_wglUseFontBitmapsW( PHYSDEV dev, DWORD start, DWORD count, DWORD base )
 664 {
 665     return FALSE;
 666 }
 667
 668 const DC_FUNCTIONS null_driver =
 669 {
 670     nulldrv_AbortDoc,                   /* pAbortDoc */
 671     nulldrv_AbortPath,                  /* pAbortPath */
 672     nulldrv_AlphaBlend,                 /* pAlphaBlend */
 673     nulldrv_AngleArc,                   /* pAngleArc */
 674     nulldrv_Arc,                        /* pArc */
 675     nulldrv_ArcTo,                      /* pArcTo */
 676     nulldrv_BeginPath,                  /* pBeginPath */
 677     nulldrv_ChoosePixelFormat,          /* pChoosePixelFormat */
 678     nulldrv_Chord,                      /* pChord */
 679     nulldrv_CloseFigure,                /* pCloseFigure */
 680     nulldrv_CreateBitmap,               /* pCreateBitmap */
 681     nulldrv_CreateDC,                   /* pCreateDC */
 682     nulldrv_CreateDIBSection,           /* pCreateDIBSection */
 683     nulldrv_DeleteBitmap,               /* pDeleteBitmap */
 684     nulldrv_DeleteDC,                   /* pDeleteDC */
 685     nulldrv_DeleteObject,               /* pDeleteObject */
 686     nulldrv_DescribePixelFormat,        /* pDescribePixelFormat */
 687     nulldrv_DeviceCapabilities,         /* pDeviceCapabilities */
 688     nulldrv_Ellipse,                    /* pEllipse */
 689     nulldrv_EndDoc,                     /* pEndDoc */
 690     nulldrv_EndPage,                    /* pEndPage */
 691     nulldrv_EndPath,                    /* pEndPath */
 692     nulldrv_EnumDeviceFonts,            /* pEnumDeviceFonts */
 693     nulldrv_EnumICMProfiles,            /* pEnumICMProfiles */
 694     nulldrv_ExcludeClipRect,            /* pExcludeClipRect */
 695     nulldrv_ExtDeviceMode,              /* pExtDeviceMode */
 696     nulldrv_ExtEscape,                  /* pExtEscape */
 697     nulldrv_ExtFloodFill,               /* pExtFloodFill */
 698     nulldrv_ExtSelectClipRgn,           /* pExtSelectClipRgn */
 699     nulldrv_ExtTextOut,                 /* pExtTextOut */
 700     nulldrv_FillPath,                   /* pFillPath */
 701     nulldrv_FillRgn,                    /* pFillRgn */
 702     nulldrv_FlattenPath,                /* pFlattenPath */
 703     nulldrv_FrameRgn,                   /* pFrameRgn */
 704     nulldrv_GdiComment,                 /* pGdiComment */
 705     nulldrv_GetCharWidth,               /* pGetCharWidth */
 706     nulldrv_GetDeviceCaps,              /* pGetDeviceCaps */
 707     nulldrv_GetDeviceGammaRamp,         /* pGetDeviceGammaRamp */
 708     nulldrv_GetICMProfile,              /* pGetICMProfile */
 709     nulldrv_GetImage,                   /* pGetImage */
 710     nulldrv_GetNearestColor,            /* pGetNearestColor */
 711     nulldrv_GetPixel,                   /* pGetPixel */
 712     nulldrv_GetPixelFormat,             /* pGetPixelFormat */
 713     nulldrv_GetSystemPaletteEntries,    /* pGetSystemPaletteEntries */
 714     nulldrv_GetTextExtentExPoint,       /* pGetTextExtentExPoint */
 715     nulldrv_GetTextMetrics,             /* pGetTextMetrics */
 716     nulldrv_IntersectClipRect,          /* pIntersectClipRect */
 717     nulldrv_InvertRgn,                  /* pInvertRgn */
 718     nulldrv_LineTo,                     /* pLineTo */
 719     nulldrv_ModifyWorldTransform,       /* pModifyWorldTransform */
 720     nulldrv_MoveTo,                     /* pMoveTo */
 721     nulldrv_OffsetClipRgn,              /* pOffsetClipRgn */
 722     nulldrv_OffsetViewportOrgEx,        /* pOffsetViewportOrg */
 723     nulldrv_OffsetWindowOrgEx,          /* pOffsetWindowOrg */
 724     nulldrv_PaintRgn,                   /* pPaintRgn */
 725     nulldrv_PatBlt,                     /* pPatBlt */
 726     nulldrv_Pie,                        /* pPie */
 727     nulldrv_PolyBezier,                 /* pPolyBezier */
 728     nulldrv_PolyBezierTo,               /* pPolyBezierTo */
 729     nulldrv_PolyDraw,                   /* pPolyDraw */
 730     nulldrv_PolyPolygon,                /* pPolyPolygon */
 731     nulldrv_PolyPolyline,               /* pPolyPolyline */
 732     nulldrv_Polygon,                    /* pPolygon */
 733     nulldrv_Polyline,                   /* pPolyline */
 734     nulldrv_PolylineTo,                 /* pPolylineTo */
 735     nulldrv_PutImage,                   /* pPutImage */
 736     nulldrv_RealizeDefaultPalette,      /* pRealizeDefaultPalette */
 737     nulldrv_RealizePalette,             /* pRealizePalette */
 738     nulldrv_Rectangle,                  /* pRectangle */
 739     nulldrv_ResetDC,                    /* pResetDC */
 740     nulldrv_RestoreDC,                  /* pRestoreDC */
 741     nulldrv_RoundRect,                  /* pRoundRect */
 742     nulldrv_SaveDC,                     /* pSaveDC */
 743     nulldrv_ScaleViewportExtEx,         /* pScaleViewportExt */
 744     nulldrv_ScaleWindowExtEx,           /* pScaleWindowExt */
 745     nulldrv_SelectBitmap,               /* pSelectBitmap */
 746     nulldrv_SelectBrush,                /* pSelectBrush */
 747     nulldrv_SelectClipPath,             /* pSelectClipPath */
 748     nulldrv_SelectFont,                 /* pSelectFont */
 749     nulldrv_SelectPalette,              /* pSelectPalette */
 750     nulldrv_SelectPen,                  /* pSelectPen */
 751     nulldrv_SetArcDirection,            /* pSetArcDirection */
 752     nulldrv_SetBitmapBits,              /* pSetBitmapBits */
 753     nulldrv_SetBkColor,                 /* pSetBkColor */
 754     nulldrv_SetBkMode,                  /* pSetBkMode */
 755     nulldrv_SetDCBrushColor,            /* pSetDCBrushColor */
 756     nulldrv_SetDCPenColor,              /* pSetDCPenColor */
 757     nulldrv_SetDIBColorTable,           /* pSetDIBColorTable */
 758     nulldrv_SetDIBitsToDevice,          /* pSetDIBitsToDevice */
 759     nulldrv_SetDeviceClipping,          /* pSetDeviceClipping */
 760     nulldrv_SetDeviceGammaRamp,         /* pSetDeviceGammaRamp */
 761     nulldrv_SetLayout,                  /* pSetLayout */
 762     nulldrv_SetMapMode,                 /* pSetMapMode */
 763     nulldrv_SetMapperFlags,             /* pSetMapperFlags */
 764     nulldrv_SetPixel,                   /* pSetPixel */
 765     nulldrv_SetPixelFormat,             /* pSetPixelFormat */
 766     nulldrv_SetPolyFillMode,            /* pSetPolyFillMode */
 767     nulldrv_SetROP2,                    /* pSetROP2 */
 768     nulldrv_SetRelAbs,                  /* pSetRelAbs */
 769     nulldrv_SetStretchBltMode,          /* pSetStretchBltMode */
 770     nulldrv_SetTextAlign,               /* pSetTextAlign */
 771     nulldrv_SetTextCharacterExtra,      /* pSetTextCharacterExtra */
 772     nulldrv_SetTextColor,               /* pSetTextColor */
 773     nulldrv_SetTextJustification,       /* pSetTextJustification */
 774     nulldrv_SetViewportExtEx,           /* pSetViewportExt */
 775     nulldrv_SetViewportOrgEx,           /* pSetViewportOrg */
 776     nulldrv_SetWindowExtEx,             /* pSetWindowExt */
 777     nulldrv_SetWindowOrgEx,             /* pSetWindowOrg */
 778     nulldrv_SetWorldTransform,          /* pSetWorldTransform */
 779     nulldrv_StartDoc,                   /* pStartDoc */
 780     nulldrv_StartPage,                  /* pStartPage */
 781     nulldrv_StretchBlt,                 /* pStretchBlt */
 782     nulldrv_StretchDIBits,              /* pStretchDIBits */
 783     nulldrv_StrokeAndFillPath,          /* pStrokeAndFillPath */
 784     nulldrv_StrokePath,                 /* pStrokePath */
 785     nulldrv_SwapBuffers,                /* pSwapBuffers */
 786     nulldrv_UnrealizePalette,           /* pUnrealizePalette */
 787     nulldrv_WidenPath,                  /* pWidenPath */
 788     nulldrv_wglCopyContext,             /* pwglCopyContext */
 789     nulldrv_wglCreateContext,           /* pwglCreateContext */
 790     nulldrv_wglCreateContextAttribsARB, /* pwglCreateContextAttribsARB */
 791     nulldrv_wglDeleteContext,           /* pwglDeleteContext */
 792     nulldrv_wglGetPbufferDCARB,         /* pwglGetPbufferDCARB */
 793     nulldrv_wglGetProcAddress,          /* pwglGetProcAddress */
 794     nulldrv_wglMakeContextCurrentARB,   /* pwglMakeContextCurrentARB */
 795     nulldrv_wglMakeCurrent,             /* pwglMakeCurrent */
 796     nulldrv_wglSetPixelFormatWINE,      /* pwglSetPixelFormatWINE */
 797     nulldrv_wglShareLists,              /* pwglShareLists */
 798     nulldrv_wglUseFontBitmapsA,         /* pwglUseFontBitmapsA */
 799     nulldrv_wglUseFontBitmapsW,         /* pwglUseFontBitmapsW */
 800 };
 801
 802
 803 /*****************************************************************************
 804  *      DRIVER_GetDriverName
 805  *
 806  */
 807 BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size )
 808 {
 809     static const WCHAR displayW[] = { 'd','i','s','p','l','a','y',0 };
 810     static const WCHAR devicesW[] = { 'd','e','v','i','c','e','s',0 };
 811     static const WCHAR display1W[] = {'\\','\\','.','\\','D','I','S','P','L','A','Y','1',0};
 812     static const WCHAR empty_strW[] = { 0 };
 813     WCHAR *p;
 814
 815     /* display is a special case */
 816     if (!strcmpiW( device, displayW ) ||
 817         !strcmpiW( device, display1W ))
 818     {
 819         lstrcpynW( driver, displayW, size );
 820         return TRUE;
 821     }
 822
 823     size = GetProfileStringW(devicesW, device, empty_strW, driver, size);
 824     if(!size) {
 825         WARN("Unable to find %s in [devices] section of win.ini\n", debugstr_w(device));
 826         return FALSE;
 827     }
 828     p = strchrW(driver, ',');
 829     if(!p)
 830     {
 831         WARN("%s entry in [devices] section of win.ini is malformed.\n", debugstr_w(device));
 832         return FALSE;
 833     }
 834     *p = 0;
 835     TRACE("Found %s for %s\n", debugstr_w(driver), debugstr_w(device));
 836     return TRUE;
 837 }
 838
 839
 840 /***********************************************************************
 841  *           GdiConvertToDevmodeW    (GDI32.@)
 842  */
 843 DEVMODEW * WINAPI GdiConvertToDevmodeW(const DEVMODEA *dmA)
 844 {
 845     DEVMODEW *dmW;
 846     WORD dmW_size, dmA_size;
 847
 848     dmA_size = dmA->dmSize;
 849
 850     /* this is the minimal dmSize that XP accepts */
 851     if (dmA_size < FIELD_OFFSET(DEVMODEA, dmFields))
 852         return NULL;
 853
 854     if (dmA_size > sizeof(DEVMODEA))
 855         dmA_size = sizeof(DEVMODEA);
 856
 857     dmW_size = dmA_size + CCHDEVICENAME;
 858     if (dmA_size >= FIELD_OFFSET(DEVMODEA, dmFormName) + CCHFORMNAME)
 859         dmW_size += CCHFORMNAME;
 860
 861     dmW = HeapAlloc(GetProcessHeap(), 0, dmW_size + dmA->dmDriverExtra);
 862     if (!dmW) return NULL;
 863
 864     MultiByteToWideChar(CP_ACP, 0, (const char*) dmA->dmDeviceName, -1,
 865                                    dmW->dmDeviceName, CCHDEVICENAME);
 866     /* copy slightly more, to avoid long computations */
 867     memcpy(&dmW->dmSpecVersion, &dmA->dmSpecVersion, dmA_size - CCHDEVICENAME);
 868
 869     if (dmA_size >= FIELD_OFFSET(DEVMODEA, dmFormName) + CCHFORMNAME)
 870     {
 871         if (dmA->dmFields & DM_FORMNAME)
 872             MultiByteToWideChar(CP_ACP, 0, (const char*) dmA->dmFormName, -1,
 873                                        dmW->dmFormName, CCHFORMNAME);
 874         else
 875             dmW->dmFormName[0] = 0;
 876
 877         if (dmA_size > FIELD_OFFSET(DEVMODEA, dmLogPixels))
 878             memcpy(&dmW->dmLogPixels, &dmA->dmLogPixels, dmA_size - FIELD_OFFSET(DEVMODEA, dmLogPixels));
 879     }
 880
 881     if (dmA->dmDriverExtra)
 882         memcpy((char *)dmW + dmW_size, (const char *)dmA + dmA_size, dmA->dmDriverExtra);
 883
 884     dmW->dmSize = dmW_size;
 885
 886     return dmW;
 887 }
 888
 889
 890 /*****************************************************************************
 891  *      @ [GDI32.100]
 892  *
 893  * This should thunk to 16-bit and simply call the proc with the given args.
 894  */
 895 INT WINAPI GDI_CallDevInstall16( FARPROC16 lpfnDevInstallProc, HWND hWnd,
 896                                  LPSTR lpModelName, LPSTR OldPort, LPSTR NewPort )
 897 {
 898     FIXME("(%p, %p, %s, %s, %s)\n", lpfnDevInstallProc, hWnd, lpModelName, OldPort, NewPort );
 899     return -1;
 900 }
 901
 902 /*****************************************************************************
 903  *      @ [GDI32.101]
 904  *
 905  * This should load the correct driver for lpszDevice and calls this driver's
 906  * ExtDeviceModePropSheet proc.
 907  *
 908  * Note: The driver calls a callback routine for each property sheet page; these
 909  * pages are supposed to be filled into the structure pointed to by lpPropSheet.
 910  * The layout of this structure is:
 911  *
 912  * struct
 913  * {
 914  *   DWORD  nPages;
 915  *   DWORD  unknown;
 916  *   HPROPSHEETPAGE  pages[10];
 917  * };
 918  */
 919 INT WINAPI GDI_CallExtDeviceModePropSheet16( HWND hWnd, LPCSTR lpszDevice,
 920                                              LPCSTR lpszPort, LPVOID lpPropSheet )
 921 {
 922     FIXME("(%p, %s, %s, %p)\n", hWnd, lpszDevice, lpszPort, lpPropSheet );
 923     return -1;
 924 }
 925
 926 /*****************************************************************************
 927  *      @ [GDI32.102]
 928  *
 929  * This should load the correct driver for lpszDevice and call this driver's
 930  * ExtDeviceMode proc.
 931  *
 932  * FIXME: convert ExtDeviceMode to unicode in the driver interface
 933  */
 934 INT WINAPI GDI_CallExtDeviceMode16( HWND hwnd,
 935                                     LPDEVMODEA lpdmOutput, LPSTR lpszDevice,
 936                                     LPSTR lpszPort, LPDEVMODEA lpdmInput,
 937                                     LPSTR lpszProfile, DWORD fwMode )
 938 {
 939     WCHAR deviceW[300];
 940     WCHAR bufW[300];
 941     char buf[300];
 942     HDC hdc;
 943     DC *dc;
 944     INT ret = -1;
 945
 946     TRACE("(%p, %p, %s, %s, %p, %s, %d)\n",
 947           hwnd, lpdmOutput, lpszDevice, lpszPort, lpdmInput, lpszProfile, fwMode );
 948
 949     if (!lpszDevice) return -1;
 950     if (!MultiByteToWideChar(CP_ACP, 0, lpszDevice, -1, deviceW, 300)) return -1;
 951
 952     if(!DRIVER_GetDriverName( deviceW, bufW, 300 )) return -1;
 953
 954     if (!WideCharToMultiByte(CP_ACP, 0, bufW, -1, buf, 300, NULL, NULL)) return -1;
 955
 956     if (!(hdc = CreateICA( buf, lpszDevice, lpszPort, NULL ))) return -1;
 957
 958     if ((dc = get_dc_ptr( hdc )))
 959     {
 960         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pExtDeviceMode );
 961         ret = physdev->funcs->pExtDeviceMode( buf, hwnd, lpdmOutput, lpszDevice, lpszPort,
 962                                               lpdmInput, lpszProfile, fwMode );
 963         release_dc_ptr( dc );
 964     }
 965     DeleteDC( hdc );
 966     return ret;
 967 }
 968
 969 /****************************************************************************
 970  *      @ [GDI32.103]
 971  *
 972  * This should load the correct driver for lpszDevice and calls this driver's
 973  * AdvancedSetupDialog proc.
 974  */
 975 INT WINAPI GDI_CallAdvancedSetupDialog16( HWND hwnd, LPSTR lpszDevice,
 976                                           LPDEVMODEA devin, LPDEVMODEA devout )
 977 {
 978     TRACE("(%p, %s, %p, %p)\n", hwnd, lpszDevice, devin, devout );
 979     return -1;
 980 }
 981
 982 /*****************************************************************************
 983  *      @ [GDI32.104]
 984  *
 985  * This should load the correct driver for lpszDevice and calls this driver's
 986  * DeviceCapabilities proc.
 987  *
 988  * FIXME: convert DeviceCapabilities to unicode in the driver interface
 989  */
 990 DWORD WINAPI GDI_CallDeviceCapabilities16( LPCSTR lpszDevice, LPCSTR lpszPort,
 991                                            WORD fwCapability, LPSTR lpszOutput,
 992                                            LPDEVMODEA lpdm )
 993 {
 994     WCHAR deviceW[300];
 995     WCHAR bufW[300];
 996     char buf[300];
 997     HDC hdc;
 998     DC *dc;
 999     INT ret = -1;
1000
1001     TRACE("(%s, %s, %d, %p, %p)\n", lpszDevice, lpszPort, fwCapability, lpszOutput, lpdm );
1002
1003     if (!lpszDevice) return -1;
1004     if (!MultiByteToWideChar(CP_ACP, 0, lpszDevice, -1, deviceW, 300)) return -1;
1005
1006     if(!DRIVER_GetDriverName( deviceW, bufW, 300 )) return -1;
1007
1008     if (!WideCharToMultiByte(CP_ACP, 0, bufW, -1, buf, 300, NULL, NULL)) return -1;
1009
1010     if (!(hdc = CreateICA( buf, lpszDevice, lpszPort, NULL ))) return -1;
1011
1012     if ((dc = get_dc_ptr( hdc )))
1013     {
1014         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pDeviceCapabilities );
1015         ret = physdev->funcs->pDeviceCapabilities( buf, lpszDevice, lpszPort,
1016                                                    fwCapability, lpszOutput, lpdm );
1017         release_dc_ptr( dc );
1018     }
1019     DeleteDC( hdc );
1020     return ret;
1021 }
1022
1023
1024 /************************************************************************
1025  *             Escape  [GDI32.@]
1026  */
1027 INT WINAPI Escape( HDC hdc, INT escape, INT in_count, LPCSTR in_data, LPVOID out_data )
1028 {
1029     INT ret;
1030     POINT *pt;
1031
1032     switch (escape)
1033     {
1034     case ABORTDOC:
1035         return AbortDoc( hdc );
1036
1037     case ENDDOC:
1038         return EndDoc( hdc );
1039
1040     case GETPHYSPAGESIZE:
1041         pt = out_data;
1042         pt->x = GetDeviceCaps( hdc, PHYSICALWIDTH );
1043         pt->y = GetDeviceCaps( hdc, PHYSICALHEIGHT );
1044         return 1;
1045
1046     case GETPRINTINGOFFSET:
1047         pt = out_data;
1048         pt->x = GetDeviceCaps( hdc, PHYSICALOFFSETX );
1049         pt->y = GetDeviceCaps( hdc, PHYSICALOFFSETY );
1050         return 1;
1051
1052     case GETSCALINGFACTOR:
1053         pt = out_data;
1054         pt->x = GetDeviceCaps( hdc, SCALINGFACTORX );
1055         pt->y = GetDeviceCaps( hdc, SCALINGFACTORY );
1056         return 1;
1057
1058     case NEWFRAME:
1059         return EndPage( hdc );
1060
1061     case SETABORTPROC:
1062         return SetAbortProc( hdc, (ABORTPROC)in_data );
1063
1064     case STARTDOC:
1065         {
1066             DOCINFOA doc;
1067             char *name = NULL;
1068
1069             /* in_data may not be 0 terminated so we must copy it */
1070             if (in_data)
1071             {
1072                 name = HeapAlloc( GetProcessHeap(), 0, in_count+1 );
1073                 memcpy( name, in_data, in_count );
1074                 name[in_count] = 0;
1075             }
1076             /* out_data is actually a pointer to the DocInfo structure and used as
1077              * a second input parameter */
1078             if (out_data) doc = *(DOCINFOA *)out_data;
1079             else
1080             {
1081                 doc.cbSize = sizeof(doc);
1082                 doc.lpszOutput = NULL;
1083                 doc.lpszDatatype = NULL;
1084                 doc.fwType = 0;
1085             }
1086             doc.lpszDocName = name;
1087             ret = StartDocA( hdc, &doc );
1088             HeapFree( GetProcessHeap(), 0, name );
1089             if (ret > 0) ret = StartPage( hdc );
1090             return ret;
1091         }
1092
1093     case QUERYESCSUPPORT:
1094         {
1095             const INT *ptr = (const INT *)in_data;
1096             if (in_count < sizeof(INT)) return 0;
1097             switch(*ptr)
1098             {
1099             case ABORTDOC:
1100             case ENDDOC:
1101             case GETPHYSPAGESIZE:
1102             case GETPRINTINGOFFSET:
1103             case GETSCALINGFACTOR:
1104             case NEWFRAME:
1105             case QUERYESCSUPPORT:
1106             case SETABORTPROC:
1107             case STARTDOC:
1108                 return TRUE;
1109             }
1110             break;
1111         }
1112     }
1113
1114     /* if not handled internally, pass it to the driver */
1115     return ExtEscape( hdc, escape, in_count, in_data, 0, out_data );
1116 }
1117
1118
1119 /******************************************************************************
1120  *              ExtEscape       [GDI32.@]
1121  *
1122  * Access capabilities of a particular device that are not available through GDI.
1123  *
1124  * PARAMS
1125  *    hdc         [I] Handle to device context
1126  *    nEscape     [I] Escape function
1127  *    cbInput     [I] Number of bytes in input structure
1128  *    lpszInData  [I] Pointer to input structure
1129  *    cbOutput    [I] Number of bytes in output structure
1130  *    lpszOutData [O] Pointer to output structure
1131  *
1132  * RETURNS
1133  *    Success: >0
1134  *    Not implemented: 0
1135  *    Failure: <0
1136  */
1137 INT WINAPI ExtEscape( HDC hdc, INT nEscape, INT cbInput, LPCSTR lpszInData,
1138                       INT cbOutput, LPSTR lpszOutData )
1139 {
1140     INT ret = 0;
1141     DC * dc = get_dc_ptr( hdc );
1142
1143     if (dc)
1144     {
1145         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pExtEscape );
1146         ret = physdev->funcs->pExtEscape( physdev, nEscape, cbInput, lpszInData, cbOutput, lpszOutData );
1147         release_dc_ptr( dc );
1148     }
1149     return ret;
1150 }
1151
1152
1153 /*******************************************************************
1154  *      DrawEscape [GDI32.@]
1155  *
1156  *
1157  */
1158 INT WINAPI DrawEscape(HDC hdc, INT nEscape, INT cbInput, LPCSTR lpszInData)
1159 {
1160     FIXME("DrawEscape, stub\n");
1161     return 0;
1162 }
1163
1164 /*******************************************************************
1165  *      NamedEscape [GDI32.@]
1166  */
1167 INT WINAPI NamedEscape( HDC hdc, LPCWSTR pDriver, INT nEscape, INT cbInput, LPCSTR lpszInData,
1168                         INT cbOutput, LPSTR lpszOutData )
1169 {
1170     FIXME("(%p, %s, %d, %d, %p, %d, %p)\n",
1171           hdc, wine_dbgstr_w(pDriver), nEscape, cbInput, lpszInData, cbOutput,
1172           lpszOutData);
1173     return 0;
1174 }
1175
1176 /*******************************************************************
1177  *      DdQueryDisplaySettingsUniqueness [GDI32.@]
1178  *      GdiEntry13                       [GDI32.@]
1179  */
1180 ULONG WINAPI DdQueryDisplaySettingsUniqueness(VOID)
1181 {
1182     static int warn_once;
1183
1184     if (!warn_once++)
1185         FIXME("stub\n");
1186     return 0;
1187 }