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