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
  34 #include "gdi_private.h"
  35 #include "wine/unicode.h"
  36 #include "wine/list.h"
  37 #include "wine/debug.h"
  38
  39 WINE_DEFAULT_DEBUG_CHANNEL(driver);
  40
  41 struct graphics_driver
  42 {
  43     struct list                entry;
  44     HMODULE                    module;  /* module handle */
  45     const struct gdi_dc_funcs *funcs;
  46 };
  47
  48 static struct list drivers = LIST_INIT( drivers );
  49 static struct graphics_driver *display_driver;
  50
  51 const struct gdi_dc_funcs *font_driver = NULL;
  52
  53 static CRITICAL_SECTION driver_section;
  54 static CRITICAL_SECTION_DEBUG critsect_debug =
  55 {
  56     0, 0, &driver_section,
  57     { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
  58       0, 0, { (DWORD_PTR)(__FILE__ ": driver_section") }
  59 };
  60 static CRITICAL_SECTION driver_section = { &critsect_debug, -1, 0, 0, 0, 0 };
  61
  62 /**********************************************************************
  63  *           create_driver
  64  *
  65  * Allocate and fill the driver structure for a given module.
  66  */
  67 static struct graphics_driver *create_driver( HMODULE module )
  68 {
  69     static const struct gdi_dc_funcs empty_funcs;
  70     const struct gdi_dc_funcs *funcs = NULL;
  71     struct graphics_driver *driver;
  72
  73     if (!(driver = HeapAlloc( GetProcessHeap(), 0, sizeof(*driver)))) return NULL;
  74     driver->module = module;
  75
  76     if (module)
  77     {
  78         const struct gdi_dc_funcs * (CDECL *wine_get_gdi_driver)( unsigned int version );
  79
  80         if ((wine_get_gdi_driver = (void *)GetProcAddress( module, "wine_get_gdi_driver" )))
  81             funcs = wine_get_gdi_driver( WINE_GDI_DRIVER_VERSION );
  82     }
  83     if (!funcs) funcs = &empty_funcs;
  84     driver->funcs = funcs;
  85     return driver;
  86 }
  87
  88
  89 /**********************************************************************
  90  *           get_display_driver
  91  *
  92  * Special case for loading the display driver: get the name from the config file
  93  */
  94 static const struct gdi_dc_funcs *get_display_driver( HMODULE *module_ret )
  95 {
  96     if (!display_driver)
  97     {
  98         HMODULE user32 = LoadLibraryA( "user32.dll" );
  99         HWND (WINAPI *pGetDesktopWindow)(void) = (void *)GetProcAddress( user32, "GetDesktopWindow" );
 100
 101         if (!pGetDesktopWindow() || !display_driver)
 102         {
 103             WARN( "failed to load the display driver, falling back to null driver\n" );
 104             __wine_set_display_driver( 0 );
 105         }
 106     }
 107
 108     *module_ret = display_driver->module;
 109     return display_driver->funcs;
 110 }
 111
 112
 113 /**********************************************************************
 114  *           DRIVER_load_driver
 115  */
 116 const struct gdi_dc_funcs *DRIVER_load_driver( LPCWSTR name, HMODULE *module_ret )
 117 {
 118     HMODULE module;
 119     struct graphics_driver *driver, *new_driver;
 120     static const WCHAR displayW[] = { 'd','i','s','p','l','a','y',0 };
 121     static const WCHAR display1W[] = {'\\','\\','.','\\','D','I','S','P','L','A','Y','1',0};
 122
 123     /* display driver is a special case */
 124     if (!strcmpiW( name, displayW ) || !strcmpiW( name, display1W ))
 125         return get_display_driver( module_ret );
 126
 127     if ((module = GetModuleHandleW( name )))
 128     {
 129         if (display_driver && display_driver->module == module)
 130         {
 131             *module_ret = module;
 132             return display_driver->funcs;
 133         }
 134         EnterCriticalSection( &driver_section );
 135         LIST_FOR_EACH_ENTRY( driver, &drivers, struct graphics_driver, entry )
 136         {
 137             if (driver->module == module) goto done;
 138         }
 139         LeaveCriticalSection( &driver_section );
 140     }
 141
 142     if (!(module = LoadLibraryW( name ))) return NULL;
 143
 144     if (!(new_driver = create_driver( module )))
 145     {
 146         FreeLibrary( module );
 147         return NULL;
 148     }
 149
 150     /* check if someone else added it in the meantime */
 151     EnterCriticalSection( &driver_section );
 152     LIST_FOR_EACH_ENTRY( driver, &drivers, struct graphics_driver, entry )
 153     {
 154         if (driver->module != module) continue;
 155         FreeLibrary( module );
 156         HeapFree( GetProcessHeap(), 0, new_driver );
 157         goto done;
 158     }
 159     driver = new_driver;
 160     list_add_head( &drivers, &driver->entry );
 161     TRACE( "loaded driver %p for %s\n", driver, debugstr_w(name) );
 162 done:
 163     *module_ret = driver->module;
 164     LeaveCriticalSection( &driver_section );
 165     return driver->funcs;
 166 }
 167
 168
 169 /***********************************************************************
 170  *           __wine_set_display_driver_module    (GDI32.@)
 171  */
 172 void CDECL __wine_set_display_driver( HMODULE module )
 173 {
 174     struct graphics_driver *driver;
 175
 176     if (!(driver = create_driver( module )))
 177     {
 178         ERR( "Could not create graphics driver\n" );
 179         ExitProcess(1);
 180     }
 181     if (InterlockedCompareExchangePointer( (void **)&display_driver, driver, NULL ))
 182         HeapFree( GetProcessHeap(), 0, driver );
 183 }
 184
 185
 186 static INT nulldrv_AbortDoc( PHYSDEV dev )
 187 {
 188     return 0;
 189 }
 190
 191 static BOOL nulldrv_Arc( 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_Chord( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
 198                            INT xstart, INT ystart, INT xend, INT yend )
 199 {
 200     return TRUE;
 201 }
 202
 203 static BOOL nulldrv_CreateCompatibleDC( PHYSDEV orig, PHYSDEV *pdev )
 204 {
 205     if (!display_driver || !display_driver->funcs->pCreateCompatibleDC) return TRUE;
 206     return display_driver->funcs->pCreateCompatibleDC( NULL, pdev );
 207 }
 208
 209 static BOOL nulldrv_CreateDC( PHYSDEV *dev, LPCWSTR driver, LPCWSTR device,
 210                               LPCWSTR output, const DEVMODEW *devmode )
 211 {
 212     assert(0);  /* should never be called */
 213     return FALSE;
 214 }
 215
 216 static BOOL nulldrv_DeleteDC( PHYSDEV dev )
 217 {
 218     assert(0);  /* should never be called */
 219     return TRUE;
 220 }
 221
 222 static BOOL nulldrv_DeleteObject( PHYSDEV dev, HGDIOBJ obj )
 223 {
 224     return TRUE;
 225 }
 226
 227 static DWORD nulldrv_DeviceCapabilities( LPSTR buffer, LPCSTR device, LPCSTR port,
 228                                          WORD cap, LPSTR output, DEVMODEA *devmode )
 229 {
 230     return -1;
 231 }
 232
 233 static BOOL nulldrv_Ellipse( PHYSDEV dev, INT left, INT top, INT right, INT bottom )
 234 {
 235     return TRUE;
 236 }
 237
 238 static INT nulldrv_EndDoc( PHYSDEV dev )
 239 {
 240     return 0;
 241 }
 242
 243 static INT nulldrv_EndPage( PHYSDEV dev )
 244 {
 245     return 0;
 246 }
 247
 248 static BOOL nulldrv_EnumFonts( PHYSDEV dev, LOGFONTW *logfont, FONTENUMPROCW proc, LPARAM lParam )
 249 {
 250     return TRUE;
 251 }
 252
 253 static INT nulldrv_EnumICMProfiles( PHYSDEV dev, ICMENUMPROCW func, LPARAM lparam )
 254 {
 255     return -1;
 256 }
 257
 258 static INT nulldrv_ExtDeviceMode( LPSTR buffer, HWND hwnd, DEVMODEA *output, LPSTR device,
 259                                   LPSTR port, DEVMODEA *input, LPSTR profile, DWORD mode )
 260 {
 261     return -1;
 262 }
 263
 264 static INT nulldrv_ExtEscape( PHYSDEV dev, INT escape, INT in_size, const void *in_data,
 265                                     INT out_size, void *out_data )
 266 {
 267     return 0;
 268 }
 269
 270 static BOOL nulldrv_ExtFloodFill( PHYSDEV dev, INT x, INT y, COLORREF color, UINT type )
 271 {
 272     return TRUE;
 273 }
 274
 275 static BOOL nulldrv_FontIsLinked( PHYSDEV dev )
 276 {
 277     return FALSE;
 278 }
 279
 280 static BOOL nulldrv_GdiComment( PHYSDEV dev, UINT size, const BYTE *data )
 281 {
 282     return FALSE;
 283 }
 284
 285 static BOOL nulldrv_GdiRealizationInfo( PHYSDEV dev, void *info )
 286 {
 287     return FALSE;
 288 }
 289
 290 static UINT nulldrv_GetBoundsRect( PHYSDEV dev, RECT *rect, UINT flags )
 291 {
 292     return DCB_RESET;
 293 }
 294
 295 static BOOL nulldrv_GetCharABCWidths( PHYSDEV dev, UINT first, UINT last, LPABC abc )
 296 {
 297     return FALSE;
 298 }
 299
 300 static BOOL nulldrv_GetCharABCWidthsI( PHYSDEV dev, UINT first, UINT count, WORD *indices, LPABC abc )
 301 {
 302     return FALSE;
 303 }
 304
 305 static BOOL nulldrv_GetCharWidth( PHYSDEV dev, UINT first, UINT last, INT *buffer )
 306 {
 307     return FALSE;
 308 }
 309
 310 static INT nulldrv_GetDeviceCaps( PHYSDEV dev, INT cap )
 311 {
 312     switch (cap)  /* return meaningful values for some entries */
 313     {
 314     case HORZRES:     return 640;
 315     case VERTRES:     return 480;
 316     case BITSPIXEL:   return 1;
 317     case PLANES:      return 1;
 318     case NUMCOLORS:   return 2;
 319     case ASPECTX:     return 36;
 320     case ASPECTY:     return 36;
 321     case ASPECTXY:    return 51;
 322     case LOGPIXELSX:  return 72;
 323     case LOGPIXELSY:  return 72;
 324     case SIZEPALETTE: return 2;
 325     case TEXTCAPS:    return (TC_OP_CHARACTER | TC_OP_STROKE | TC_CP_STROKE |
 326                               TC_CR_ANY | TC_SF_X_YINDEP | TC_SA_DOUBLE | TC_SA_INTEGER |
 327                               TC_SA_CONTIN | TC_UA_ABLE | TC_SO_ABLE | TC_RA_ABLE | TC_VA_ABLE);
 328     default:          return 0;
 329     }
 330 }
 331
 332 static BOOL nulldrv_GetDeviceGammaRamp( PHYSDEV dev, void *ramp )
 333 {
 334     SetLastError( ERROR_INVALID_PARAMETER );
 335     return FALSE;
 336 }
 337
 338 static DWORD nulldrv_GetFontData( PHYSDEV dev, DWORD table, DWORD offset, LPVOID buffer, DWORD length )
 339 {
 340     return FALSE;
 341 }
 342
 343 static DWORD nulldrv_GetFontUnicodeRanges( PHYSDEV dev, LPGLYPHSET glyphs )
 344 {
 345     return 0;
 346 }
 347
 348 static DWORD nulldrv_GetGlyphIndices( PHYSDEV dev, LPCWSTR str, INT count, LPWORD indices, DWORD flags )
 349 {
 350     return GDI_ERROR;
 351 }
 352
 353 static DWORD nulldrv_GetGlyphOutline( PHYSDEV dev, UINT ch, UINT format, LPGLYPHMETRICS metrics,
 354                                       DWORD size, LPVOID buffer, const MAT2 *mat )
 355 {
 356     return GDI_ERROR;
 357 }
 358
 359 static BOOL nulldrv_GetICMProfile( PHYSDEV dev, LPDWORD size, LPWSTR filename )
 360 {
 361     return FALSE;
 362 }
 363
 364 static DWORD nulldrv_GetImage( PHYSDEV dev, BITMAPINFO *info, struct gdi_image_bits *bits,
 365                                struct bitblt_coords *src )
 366 {
 367     return ERROR_NOT_SUPPORTED;
 368 }
 369
 370 static DWORD nulldrv_GetKerningPairs( PHYSDEV dev, DWORD count, LPKERNINGPAIR pairs )
 371 {
 372     return 0;
 373 }
 374
 375 static UINT nulldrv_GetOutlineTextMetrics( PHYSDEV dev, UINT size, LPOUTLINETEXTMETRICW otm )
 376 {
 377     return 0;
 378 }
 379
 380 static UINT nulldrv_GetSystemPaletteEntries( PHYSDEV dev, UINT start, UINT count, PALETTEENTRY *entries )
 381 {
 382     return 0;
 383 }
 384
 385 static UINT nulldrv_GetTextCharsetInfo( PHYSDEV dev, LPFONTSIGNATURE fs, DWORD flags )
 386 {
 387     return DEFAULT_CHARSET;
 388 }
 389
 390 static BOOL nulldrv_GetTextExtentExPoint( PHYSDEV dev, LPCWSTR str, INT count, INT *dx )
 391 {
 392     return FALSE;
 393 }
 394
 395 static BOOL nulldrv_GetTextExtentExPointI( PHYSDEV dev, const WORD *indices, INT count, INT *dx )
 396 {
 397     return FALSE;
 398 }
 399
 400 static INT nulldrv_GetTextFace( PHYSDEV dev, INT size, LPWSTR name )
 401 {
 402     INT ret = 0;
 403     LOGFONTW font;
 404     HFONT hfont = GetCurrentObject( dev->hdc, OBJ_FONT );
 405
 406     if (GetObjectW( hfont, sizeof(font), &font ))
 407     {
 408         ret = strlenW( font.lfFaceName ) + 1;
 409         if (name)
 410         {
 411             lstrcpynW( name, font.lfFaceName, size );
 412             ret = min( size, ret );
 413         }
 414     }
 415     return ret;
 416 }
 417
 418 static BOOL nulldrv_GetTextMetrics( PHYSDEV dev, TEXTMETRICW *metrics )
 419 {
 420     return FALSE;
 421 }
 422
 423 static BOOL nulldrv_LineTo( PHYSDEV dev, INT x, INT y )
 424 {
 425     return TRUE;
 426 }
 427
 428 static BOOL nulldrv_MoveTo( PHYSDEV dev, INT x, INT y )
 429 {
 430     return TRUE;
 431 }
 432
 433 static BOOL nulldrv_PaintRgn( PHYSDEV dev, HRGN rgn )
 434 {
 435     return TRUE;
 436 }
 437
 438 static BOOL nulldrv_PatBlt( PHYSDEV dev, struct bitblt_coords *dst, DWORD rop )
 439 {
 440     return TRUE;
 441 }
 442
 443 static BOOL nulldrv_Pie( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
 444                          INT xstart, INT ystart, INT xend, INT yend )
 445 {
 446     return TRUE;
 447 }
 448
 449 static BOOL nulldrv_PolyPolygon( PHYSDEV dev, const POINT *points, const INT *counts, UINT polygons )
 450 {
 451     return TRUE;
 452 }
 453
 454 static BOOL nulldrv_PolyPolyline( PHYSDEV dev, const POINT *points, const DWORD *counts, DWORD lines )
 455 {
 456     return TRUE;
 457 }
 458
 459 static BOOL nulldrv_Polygon( PHYSDEV dev, const POINT *points, INT count )
 460 {
 461     INT counts[1] = { count };
 462
 463     return PolyPolygon( dev->hdc, points, counts, 1 );
 464 }
 465
 466 static BOOL nulldrv_Polyline( PHYSDEV dev, const POINT *points, INT count )
 467 {
 468     DWORD counts[1] = { count };
 469
 470     if (count < 0) return FALSE;
 471     return PolyPolyline( dev->hdc, points, counts, 1 );
 472 }
 473
 474 static DWORD nulldrv_PutImage( PHYSDEV dev, HRGN clip, BITMAPINFO *info,
 475                                const struct gdi_image_bits *bits, struct bitblt_coords *src,
 476                                struct bitblt_coords *dst, DWORD rop )
 477 {
 478     return ERROR_SUCCESS;
 479 }
 480
 481 static UINT nulldrv_RealizeDefaultPalette( PHYSDEV dev )
 482 {
 483     return 0;
 484 }
 485
 486 static UINT nulldrv_RealizePalette( PHYSDEV dev, HPALETTE palette, BOOL primary )
 487 {
 488     return 0;
 489 }
 490
 491 static BOOL nulldrv_Rectangle( PHYSDEV dev, INT left, INT top, INT right, INT bottom )
 492 {
 493     return TRUE;
 494 }
 495
 496 static HDC nulldrv_ResetDC( PHYSDEV dev, const DEVMODEW *devmode )
 497 {
 498     return 0;
 499 }
 500
 501 static BOOL nulldrv_RoundRect( PHYSDEV dev, INT left, INT top, INT right, INT bottom,
 502                                INT ell_width, INT ell_height )
 503 {
 504     return TRUE;
 505 }
 506
 507 static HBITMAP nulldrv_SelectBitmap( PHYSDEV dev, HBITMAP bitmap )
 508 {
 509     return bitmap;
 510 }
 511
 512 static HBRUSH nulldrv_SelectBrush( PHYSDEV dev, HBRUSH brush, const struct brush_pattern *pattern )
 513 {
 514     return brush;
 515 }
 516
 517 static HPALETTE nulldrv_SelectPalette( PHYSDEV dev, HPALETTE palette, BOOL bkgnd )
 518 {
 519     return palette;
 520 }
 521
 522 static HPEN nulldrv_SelectPen( PHYSDEV dev, HPEN pen, const struct brush_pattern *pattern )
 523 {
 524     return pen;
 525 }
 526
 527 static INT nulldrv_SetArcDirection( PHYSDEV dev, INT dir )
 528 {
 529     return dir;
 530 }
 531
 532 static COLORREF nulldrv_SetBkColor( PHYSDEV dev, COLORREF color )
 533 {
 534     return color;
 535 }
 536
 537 static INT nulldrv_SetBkMode( PHYSDEV dev, INT mode )
 538 {
 539     return mode;
 540 }
 541
 542 static UINT nulldrv_SetBoundsRect( PHYSDEV dev, RECT *rect, UINT flags )
 543 {
 544     return DCB_RESET;
 545 }
 546
 547 static COLORREF nulldrv_SetDCBrushColor( PHYSDEV dev, COLORREF color )
 548 {
 549     return color;
 550 }
 551
 552 static COLORREF nulldrv_SetDCPenColor( PHYSDEV dev, COLORREF color )
 553 {
 554     return color;
 555 }
 556
 557 static void nulldrv_SetDeviceClipping( PHYSDEV dev, HRGN rgn )
 558 {
 559 }
 560
 561 static DWORD nulldrv_SetLayout( PHYSDEV dev, DWORD layout )
 562 {
 563     return layout;
 564 }
 565
 566 static BOOL nulldrv_SetDeviceGammaRamp( PHYSDEV dev, void *ramp )
 567 {
 568     SetLastError( ERROR_INVALID_PARAMETER );
 569     return FALSE;
 570 }
 571
 572 static DWORD nulldrv_SetMapperFlags( PHYSDEV dev, DWORD flags )
 573 {
 574     return flags;
 575 }
 576
 577 static COLORREF nulldrv_SetPixel( PHYSDEV dev, INT x, INT y, COLORREF color )
 578 {
 579     return color;
 580 }
 581
 582 static INT nulldrv_SetPolyFillMode( PHYSDEV dev, INT mode )
 583 {
 584     return mode;
 585 }
 586
 587 static INT nulldrv_SetROP2( PHYSDEV dev, INT rop )
 588 {
 589     return rop;
 590 }
 591
 592 static INT nulldrv_SetRelAbs( PHYSDEV dev, INT mode )
 593 {
 594     return mode;
 595 }
 596
 597 static INT nulldrv_SetStretchBltMode( PHYSDEV dev, INT mode )
 598 {
 599     return mode;
 600 }
 601
 602 static UINT nulldrv_SetTextAlign( PHYSDEV dev, UINT align )
 603 {
 604     return align;
 605 }
 606
 607 static INT nulldrv_SetTextCharacterExtra( PHYSDEV dev, INT extra )
 608 {
 609     return extra;
 610 }
 611
 612 static COLORREF nulldrv_SetTextColor( PHYSDEV dev, COLORREF color )
 613 {
 614     return color;
 615 }
 616
 617 static BOOL nulldrv_SetTextJustification( PHYSDEV dev, INT extra, INT breaks )
 618 {
 619     return TRUE;
 620 }
 621
 622 static INT nulldrv_StartDoc( PHYSDEV dev, const DOCINFOW *info )
 623 {
 624     return 0;
 625 }
 626
 627 static INT nulldrv_StartPage( PHYSDEV dev )
 628 {
 629     return 1;
 630 }
 631
 632 static BOOL nulldrv_UnrealizePalette( HPALETTE palette )
 633 {
 634     return FALSE;
 635 }
 636
 637 static struct opengl_funcs *nulldrv_wine_get_wgl_driver( PHYSDEV dev, UINT version )
 638 {
 639     return (void *)-1;
 640 }
 641
 642 const struct gdi_dc_funcs null_driver =
 643 {
 644     nulldrv_AbortDoc,                   /* pAbortDoc */
 645     nulldrv_AbortPath,                  /* pAbortPath */
 646     nulldrv_AlphaBlend,                 /* pAlphaBlend */
 647     nulldrv_AngleArc,                   /* pAngleArc */
 648     nulldrv_Arc,                        /* pArc */
 649     nulldrv_ArcTo,                      /* pArcTo */
 650     nulldrv_BeginPath,                  /* pBeginPath */
 651     nulldrv_BlendImage,                 /* pBlendImage */
 652     nulldrv_Chord,                      /* pChord */
 653     nulldrv_CloseFigure,                /* pCloseFigure */
 654     nulldrv_CreateCompatibleDC,         /* pCreateCompatibleDC */
 655     nulldrv_CreateDC,                   /* pCreateDC */
 656     nulldrv_DeleteDC,                   /* pDeleteDC */
 657     nulldrv_DeleteObject,               /* pDeleteObject */
 658     nulldrv_DeviceCapabilities,         /* pDeviceCapabilities */
 659     nulldrv_Ellipse,                    /* pEllipse */
 660     nulldrv_EndDoc,                     /* pEndDoc */
 661     nulldrv_EndPage,                    /* pEndPage */
 662     nulldrv_EndPath,                    /* pEndPath */
 663     nulldrv_EnumFonts,                  /* pEnumFonts */
 664     nulldrv_EnumICMProfiles,            /* pEnumICMProfiles */
 665     nulldrv_ExcludeClipRect,            /* pExcludeClipRect */
 666     nulldrv_ExtDeviceMode,              /* pExtDeviceMode */
 667     nulldrv_ExtEscape,                  /* pExtEscape */
 668     nulldrv_ExtFloodFill,               /* pExtFloodFill */
 669     nulldrv_ExtSelectClipRgn,           /* pExtSelectClipRgn */
 670     nulldrv_ExtTextOut,                 /* pExtTextOut */
 671     nulldrv_FillPath,                   /* pFillPath */
 672     nulldrv_FillRgn,                    /* pFillRgn */
 673     nulldrv_FlattenPath,                /* pFlattenPath */
 674     nulldrv_FontIsLinked,               /* pFontIsLinked */
 675     nulldrv_FrameRgn,                   /* pFrameRgn */
 676     nulldrv_GdiComment,                 /* pGdiComment */
 677     nulldrv_GdiRealizationInfo,         /* pGdiRealizationInfo */
 678     nulldrv_GetBoundsRect,              /* pGetBoundsRect */
 679     nulldrv_GetCharABCWidths,           /* pGetCharABCWidths */
 680     nulldrv_GetCharABCWidthsI,          /* pGetCharABCWidthsI */
 681     nulldrv_GetCharWidth,               /* pGetCharWidth */
 682     nulldrv_GetDeviceCaps,              /* pGetDeviceCaps */
 683     nulldrv_GetDeviceGammaRamp,         /* pGetDeviceGammaRamp */
 684     nulldrv_GetFontData,                /* pGetFontData */
 685     nulldrv_GetFontUnicodeRanges,       /* pGetFontUnicodeRanges */
 686     nulldrv_GetGlyphIndices,            /* pGetGlyphIndices */
 687     nulldrv_GetGlyphOutline,            /* pGetGlyphOutline */
 688     nulldrv_GetICMProfile,              /* pGetICMProfile */
 689     nulldrv_GetImage,                   /* pGetImage */
 690     nulldrv_GetKerningPairs,            /* pGetKerningPairs */
 691     nulldrv_GetNearestColor,            /* pGetNearestColor */
 692     nulldrv_GetOutlineTextMetrics,      /* pGetOutlineTextMetrics */
 693     nulldrv_GetPixel,                   /* pGetPixel */
 694     nulldrv_GetSystemPaletteEntries,    /* pGetSystemPaletteEntries */
 695     nulldrv_GetTextCharsetInfo,         /* pGetTextCharsetInfo */
 696     nulldrv_GetTextExtentExPoint,       /* pGetTextExtentExPoint */
 697     nulldrv_GetTextExtentExPointI,      /* pGetTextExtentExPointI */
 698     nulldrv_GetTextFace,                /* pGetTextFace */
 699     nulldrv_GetTextMetrics,             /* pGetTextMetrics */
 700     nulldrv_GradientFill,               /* pGradientFill */
 701     nulldrv_IntersectClipRect,          /* pIntersectClipRect */
 702     nulldrv_InvertRgn,                  /* pInvertRgn */
 703     nulldrv_LineTo,                     /* pLineTo */
 704     nulldrv_ModifyWorldTransform,       /* pModifyWorldTransform */
 705     nulldrv_MoveTo,                     /* pMoveTo */
 706     nulldrv_OffsetClipRgn,              /* pOffsetClipRgn */
 707     nulldrv_OffsetViewportOrgEx,        /* pOffsetViewportOrg */
 708     nulldrv_OffsetWindowOrgEx,          /* pOffsetWindowOrg */
 709     nulldrv_PaintRgn,                   /* pPaintRgn */
 710     nulldrv_PatBlt,                     /* pPatBlt */
 711     nulldrv_Pie,                        /* pPie */
 712     nulldrv_PolyBezier,                 /* pPolyBezier */
 713     nulldrv_PolyBezierTo,               /* pPolyBezierTo */
 714     nulldrv_PolyDraw,                   /* pPolyDraw */
 715     nulldrv_PolyPolygon,                /* pPolyPolygon */
 716     nulldrv_PolyPolyline,               /* pPolyPolyline */
 717     nulldrv_Polygon,                    /* pPolygon */
 718     nulldrv_Polyline,                   /* pPolyline */
 719     nulldrv_PolylineTo,                 /* pPolylineTo */
 720     nulldrv_PutImage,                   /* pPutImage */
 721     nulldrv_RealizeDefaultPalette,      /* pRealizeDefaultPalette */
 722     nulldrv_RealizePalette,             /* pRealizePalette */
 723     nulldrv_Rectangle,                  /* pRectangle */
 724     nulldrv_ResetDC,                    /* pResetDC */
 725     nulldrv_RestoreDC,                  /* pRestoreDC */
 726     nulldrv_RoundRect,                  /* pRoundRect */
 727     nulldrv_SaveDC,                     /* pSaveDC */
 728     nulldrv_ScaleViewportExtEx,         /* pScaleViewportExt */
 729     nulldrv_ScaleWindowExtEx,           /* pScaleWindowExt */
 730     nulldrv_SelectBitmap,               /* pSelectBitmap */
 731     nulldrv_SelectBrush,                /* pSelectBrush */
 732     nulldrv_SelectClipPath,             /* pSelectClipPath */
 733     nulldrv_SelectFont,                 /* pSelectFont */
 734     nulldrv_SelectPalette,              /* pSelectPalette */
 735     nulldrv_SelectPen,                  /* pSelectPen */
 736     nulldrv_SetArcDirection,            /* pSetArcDirection */
 737     nulldrv_SetBkColor,                 /* pSetBkColor */
 738     nulldrv_SetBkMode,                  /* pSetBkMode */
 739     nulldrv_SetBoundsRect,              /* pSetBoundsRect */
 740     nulldrv_SetDCBrushColor,            /* pSetDCBrushColor */
 741     nulldrv_SetDCPenColor,              /* pSetDCPenColor */
 742     nulldrv_SetDIBitsToDevice,          /* pSetDIBitsToDevice */
 743     nulldrv_SetDeviceClipping,          /* pSetDeviceClipping */
 744     nulldrv_SetDeviceGammaRamp,         /* pSetDeviceGammaRamp */
 745     nulldrv_SetLayout,                  /* pSetLayout */
 746     nulldrv_SetMapMode,                 /* pSetMapMode */
 747     nulldrv_SetMapperFlags,             /* pSetMapperFlags */
 748     nulldrv_SetPixel,                   /* pSetPixel */
 749     nulldrv_SetPolyFillMode,            /* pSetPolyFillMode */
 750     nulldrv_SetROP2,                    /* pSetROP2 */
 751     nulldrv_SetRelAbs,                  /* pSetRelAbs */
 752     nulldrv_SetStretchBltMode,          /* pSetStretchBltMode */
 753     nulldrv_SetTextAlign,               /* pSetTextAlign */
 754     nulldrv_SetTextCharacterExtra,      /* pSetTextCharacterExtra */
 755     nulldrv_SetTextColor,               /* pSetTextColor */
 756     nulldrv_SetTextJustification,       /* pSetTextJustification */
 757     nulldrv_SetViewportExtEx,           /* pSetViewportExt */
 758     nulldrv_SetViewportOrgEx,           /* pSetViewportOrg */
 759     nulldrv_SetWindowExtEx,             /* pSetWindowExt */
 760     nulldrv_SetWindowOrgEx,             /* pSetWindowOrg */
 761     nulldrv_SetWorldTransform,          /* pSetWorldTransform */
 762     nulldrv_StartDoc,                   /* pStartDoc */
 763     nulldrv_StartPage,                  /* pStartPage */
 764     nulldrv_StretchBlt,                 /* pStretchBlt */
 765     nulldrv_StretchDIBits,              /* pStretchDIBits */
 766     nulldrv_StrokeAndFillPath,          /* pStrokeAndFillPath */
 767     nulldrv_StrokePath,                 /* pStrokePath */
 768     nulldrv_UnrealizePalette,           /* pUnrealizePalette */
 769     nulldrv_WidenPath,                  /* pWidenPath */
 770     nulldrv_wine_get_wgl_driver,        /* wine_get_wgl_driver */
 771
 772     GDI_PRIORITY_NULL_DRV               /* priority */
 773 };
 774
 775
 776 /*****************************************************************************
 777  *      DRIVER_GetDriverName
 778  *
 779  */
 780 BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size )
 781 {
 782     static const WCHAR displayW[] = { 'd','i','s','p','l','a','y',0 };
 783     static const WCHAR devicesW[] = { 'd','e','v','i','c','e','s',0 };
 784     static const WCHAR display1W[] = {'\\','\\','.','\\','D','I','S','P','L','A','Y','1',0};
 785     static const WCHAR empty_strW[] = { 0 };
 786     WCHAR *p;
 787
 788     /* display is a special case */
 789     if (!strcmpiW( device, displayW ) ||
 790         !strcmpiW( device, display1W ))
 791     {
 792         lstrcpynW( driver, displayW, size );
 793         return TRUE;
 794     }
 795
 796     size = GetProfileStringW(devicesW, device, empty_strW, driver, size);
 797     if(!size) {
 798         WARN("Unable to find %s in [devices] section of win.ini\n", debugstr_w(device));
 799         return FALSE;
 800     }
 801     p = strchrW(driver, ',');
 802     if(!p)
 803     {
 804         WARN("%s entry in [devices] section of win.ini is malformed.\n", debugstr_w(device));
 805         return FALSE;
 806     }
 807     *p = 0;
 808     TRACE("Found %s for %s\n", debugstr_w(driver), debugstr_w(device));
 809     return TRUE;
 810 }
 811
 812
 813 /***********************************************************************
 814  *           GdiConvertToDevmodeW    (GDI32.@)
 815  */
 816 DEVMODEW * WINAPI GdiConvertToDevmodeW(const DEVMODEA *dmA)
 817 {
 818     DEVMODEW *dmW;
 819     WORD dmW_size, dmA_size;
 820
 821     dmA_size = dmA->dmSize;
 822
 823     /* this is the minimal dmSize that XP accepts */
 824     if (dmA_size < FIELD_OFFSET(DEVMODEA, dmFields))
 825         return NULL;
 826
 827     if (dmA_size > sizeof(DEVMODEA))
 828         dmA_size = sizeof(DEVMODEA);
 829
 830     dmW_size = dmA_size + CCHDEVICENAME;
 831     if (dmA_size >= FIELD_OFFSET(DEVMODEA, dmFormName) + CCHFORMNAME)
 832         dmW_size += CCHFORMNAME;
 833
 834     dmW = HeapAlloc(GetProcessHeap(), 0, dmW_size + dmA->dmDriverExtra);
 835     if (!dmW) return NULL;
 836
 837     MultiByteToWideChar(CP_ACP, 0, (const char*) dmA->dmDeviceName, -1,
 838                                    dmW->dmDeviceName, CCHDEVICENAME);
 839     /* copy slightly more, to avoid long computations */
 840     memcpy(&dmW->dmSpecVersion, &dmA->dmSpecVersion, dmA_size - CCHDEVICENAME);
 841
 842     if (dmA_size >= FIELD_OFFSET(DEVMODEA, dmFormName) + CCHFORMNAME)
 843     {
 844         if (dmA->dmFields & DM_FORMNAME)
 845             MultiByteToWideChar(CP_ACP, 0, (const char*) dmA->dmFormName, -1,
 846                                        dmW->dmFormName, CCHFORMNAME);
 847         else
 848             dmW->dmFormName[0] = 0;
 849
 850         if (dmA_size > FIELD_OFFSET(DEVMODEA, dmLogPixels))
 851             memcpy(&dmW->dmLogPixels, &dmA->dmLogPixels, dmA_size - FIELD_OFFSET(DEVMODEA, dmLogPixels));
 852     }
 853
 854     if (dmA->dmDriverExtra)
 855         memcpy((char *)dmW + dmW_size, (const char *)dmA + dmA_size, dmA->dmDriverExtra);
 856
 857     dmW->dmSize = dmW_size;
 858
 859     return dmW;
 860 }
 861
 862
 863 /*****************************************************************************
 864  *      @ [GDI32.100]
 865  *
 866  * This should thunk to 16-bit and simply call the proc with the given args.
 867  */
 868 INT WINAPI GDI_CallDevInstall16( FARPROC16 lpfnDevInstallProc, HWND hWnd,
 869                                  LPSTR lpModelName, LPSTR OldPort, LPSTR NewPort )
 870 {
 871     FIXME("(%p, %p, %s, %s, %s)\n", lpfnDevInstallProc, hWnd, lpModelName, OldPort, NewPort );
 872     return -1;
 873 }
 874
 875 /*****************************************************************************
 876  *      @ [GDI32.101]
 877  *
 878  * This should load the correct driver for lpszDevice and calls this driver's
 879  * ExtDeviceModePropSheet proc.
 880  *
 881  * Note: The driver calls a callback routine for each property sheet page; these
 882  * pages are supposed to be filled into the structure pointed to by lpPropSheet.
 883  * The layout of this structure is:
 884  *
 885  * struct
 886  * {
 887  *   DWORD  nPages;
 888  *   DWORD  unknown;
 889  *   HPROPSHEETPAGE  pages[10];
 890  * };
 891  */
 892 INT WINAPI GDI_CallExtDeviceModePropSheet16( HWND hWnd, LPCSTR lpszDevice,
 893                                              LPCSTR lpszPort, LPVOID lpPropSheet )
 894 {
 895     FIXME("(%p, %s, %s, %p)\n", hWnd, lpszDevice, lpszPort, lpPropSheet );
 896     return -1;
 897 }
 898
 899 /*****************************************************************************
 900  *      @ [GDI32.102]
 901  *
 902  * This should load the correct driver for lpszDevice and call this driver's
 903  * ExtDeviceMode proc.
 904  *
 905  * FIXME: convert ExtDeviceMode to unicode in the driver interface
 906  */
 907 INT WINAPI GDI_CallExtDeviceMode16( HWND hwnd,
 908                                     LPDEVMODEA lpdmOutput, LPSTR lpszDevice,
 909                                     LPSTR lpszPort, LPDEVMODEA lpdmInput,
 910                                     LPSTR lpszProfile, DWORD fwMode )
 911 {
 912     WCHAR deviceW[300];
 913     WCHAR bufW[300];
 914     char buf[300];
 915     HDC hdc;
 916     DC *dc;
 917     INT ret = -1;
 918
 919     TRACE("(%p, %p, %s, %s, %p, %s, %d)\n",
 920           hwnd, lpdmOutput, lpszDevice, lpszPort, lpdmInput, lpszProfile, fwMode );
 921
 922     if (!lpszDevice) return -1;
 923     if (!MultiByteToWideChar(CP_ACP, 0, lpszDevice, -1, deviceW, 300)) return -1;
 924
 925     if(!DRIVER_GetDriverName( deviceW, bufW, 300 )) return -1;
 926
 927     if (!WideCharToMultiByte(CP_ACP, 0, bufW, -1, buf, 300, NULL, NULL)) return -1;
 928
 929     if (!(hdc = CreateICA( buf, lpszDevice, lpszPort, NULL ))) return -1;
 930
 931     if ((dc = get_dc_ptr( hdc )))
 932     {
 933         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pExtDeviceMode );
 934         ret = physdev->funcs->pExtDeviceMode( buf, hwnd, lpdmOutput, lpszDevice, lpszPort,
 935                                               lpdmInput, lpszProfile, fwMode );
 936         release_dc_ptr( dc );
 937     }
 938     DeleteDC( hdc );
 939     return ret;
 940 }
 941
 942 /****************************************************************************
 943  *      @ [GDI32.103]
 944  *
 945  * This should load the correct driver for lpszDevice and calls this driver's
 946  * AdvancedSetupDialog proc.
 947  */
 948 INT WINAPI GDI_CallAdvancedSetupDialog16( HWND hwnd, LPSTR lpszDevice,
 949                                           LPDEVMODEA devin, LPDEVMODEA devout )
 950 {
 951     TRACE("(%p, %s, %p, %p)\n", hwnd, lpszDevice, devin, devout );
 952     return -1;
 953 }
 954
 955 /*****************************************************************************
 956  *      @ [GDI32.104]
 957  *
 958  * This should load the correct driver for lpszDevice and calls this driver's
 959  * DeviceCapabilities proc.
 960  *
 961  * FIXME: convert DeviceCapabilities to unicode in the driver interface
 962  */
 963 DWORD WINAPI GDI_CallDeviceCapabilities16( LPCSTR lpszDevice, LPCSTR lpszPort,
 964                                            WORD fwCapability, LPSTR lpszOutput,
 965                                            LPDEVMODEA lpdm )
 966 {
 967     WCHAR deviceW[300];
 968     WCHAR bufW[300];
 969     char buf[300];
 970     HDC hdc;
 971     DC *dc;
 972     INT ret = -1;
 973
 974     TRACE("(%s, %s, %d, %p, %p)\n", lpszDevice, lpszPort, fwCapability, lpszOutput, lpdm );
 975
 976     if (!lpszDevice) return -1;
 977     if (!MultiByteToWideChar(CP_ACP, 0, lpszDevice, -1, deviceW, 300)) return -1;
 978
 979     if(!DRIVER_GetDriverName( deviceW, bufW, 300 )) return -1;
 980
 981     if (!WideCharToMultiByte(CP_ACP, 0, bufW, -1, buf, 300, NULL, NULL)) return -1;
 982
 983     if (!(hdc = CreateICA( buf, lpszDevice, lpszPort, NULL ))) return -1;
 984
 985     if ((dc = get_dc_ptr( hdc )))
 986     {
 987         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pDeviceCapabilities );
 988         ret = physdev->funcs->pDeviceCapabilities( buf, lpszDevice, lpszPort,
 989                                                    fwCapability, lpszOutput, lpdm );
 990         release_dc_ptr( dc );
 991     }
 992     DeleteDC( hdc );
 993     return ret;
 994 }
 995
 996
 997 /************************************************************************
 998  *             Escape  [GDI32.@]
 999  */
1000 INT WINAPI Escape( HDC hdc, INT escape, INT in_count, LPCSTR in_data, LPVOID out_data )
1001 {
1002     INT ret;
1003     POINT *pt;
1004
1005     switch (escape)
1006     {
1007     case ABORTDOC:
1008         return AbortDoc( hdc );
1009
1010     case ENDDOC:
1011         return EndDoc( hdc );
1012
1013     case GETPHYSPAGESIZE:
1014         pt = out_data;
1015         pt->x = GetDeviceCaps( hdc, PHYSICALWIDTH );
1016         pt->y = GetDeviceCaps( hdc, PHYSICALHEIGHT );
1017         return 1;
1018
1019     case GETPRINTINGOFFSET:
1020         pt = out_data;
1021         pt->x = GetDeviceCaps( hdc, PHYSICALOFFSETX );
1022         pt->y = GetDeviceCaps( hdc, PHYSICALOFFSETY );
1023         return 1;
1024
1025     case GETSCALINGFACTOR:
1026         pt = out_data;
1027         pt->x = GetDeviceCaps( hdc, SCALINGFACTORX );
1028         pt->y = GetDeviceCaps( hdc, SCALINGFACTORY );
1029         return 1;
1030
1031     case NEWFRAME:
1032         return EndPage( hdc );
1033
1034     case SETABORTPROC:
1035         return SetAbortProc( hdc, (ABORTPROC)in_data );
1036
1037     case STARTDOC:
1038         {
1039             DOCINFOA doc;
1040             char *name = NULL;
1041
1042             /* in_data may not be 0 terminated so we must copy it */
1043             if (in_data)
1044             {
1045                 name = HeapAlloc( GetProcessHeap(), 0, in_count+1 );
1046                 memcpy( name, in_data, in_count );
1047                 name[in_count] = 0;
1048             }
1049             /* out_data is actually a pointer to the DocInfo structure and used as
1050              * a second input parameter */
1051             if (out_data) doc = *(DOCINFOA *)out_data;
1052             else
1053             {
1054                 doc.cbSize = sizeof(doc);
1055                 doc.lpszOutput = NULL;
1056                 doc.lpszDatatype = NULL;
1057                 doc.fwType = 0;
1058             }
1059             doc.lpszDocName = name;
1060             ret = StartDocA( hdc, &doc );
1061             HeapFree( GetProcessHeap(), 0, name );
1062             if (ret > 0) ret = StartPage( hdc );
1063             return ret;
1064         }
1065
1066     case QUERYESCSUPPORT:
1067         {
1068             DWORD code;
1069
1070             if (in_count < sizeof(SHORT)) return 0;
1071             code = (in_count < sizeof(DWORD)) ? *(const USHORT *)in_data : *(const DWORD *)in_data;
1072             switch (code)
1073             {
1074             case ABORTDOC:
1075             case ENDDOC:
1076             case GETPHYSPAGESIZE:
1077             case GETPRINTINGOFFSET:
1078             case GETSCALINGFACTOR:
1079             case NEWFRAME:
1080             case QUERYESCSUPPORT:
1081             case SETABORTPROC:
1082             case STARTDOC:
1083                 return TRUE;
1084             }
1085             break;
1086         }
1087     }
1088
1089     /* if not handled internally, pass it to the driver */
1090     return ExtEscape( hdc, escape, in_count, in_data, 0, out_data );
1091 }
1092
1093
1094 /******************************************************************************
1095  *              ExtEscape       [GDI32.@]
1096  *
1097  * Access capabilities of a particular device that are not available through GDI.
1098  *
1099  * PARAMS
1100  *    hdc         [I] Handle to device context
1101  *    nEscape     [I] Escape function
1102  *    cbInput     [I] Number of bytes in input structure
1103  *    lpszInData  [I] Pointer to input structure
1104  *    cbOutput    [I] Number of bytes in output structure
1105  *    lpszOutData [O] Pointer to output structure
1106  *
1107  * RETURNS
1108  *    Success: >0
1109  *    Not implemented: 0
1110  *    Failure: <0
1111  */
1112 INT WINAPI ExtEscape( HDC hdc, INT nEscape, INT cbInput, LPCSTR lpszInData,
1113                       INT cbOutput, LPSTR lpszOutData )
1114 {
1115     PHYSDEV physdev;
1116     INT ret;
1117     DC * dc = get_dc_ptr( hdc );
1118
1119     if (!dc) return 0;
1120     update_dc( dc );
1121     physdev = GET_DC_PHYSDEV( dc, pExtEscape );
1122     ret = physdev->funcs->pExtEscape( physdev, nEscape, cbInput, lpszInData, cbOutput, lpszOutData );
1123     release_dc_ptr( dc );
1124     return ret;
1125 }
1126
1127
1128 /*******************************************************************
1129  *      DrawEscape [GDI32.@]
1130  *
1131  *
1132  */
1133 INT WINAPI DrawEscape(HDC hdc, INT nEscape, INT cbInput, LPCSTR lpszInData)
1134 {
1135     FIXME("DrawEscape, stub\n");
1136     return 0;
1137 }
1138
1139 /*******************************************************************
1140  *      NamedEscape [GDI32.@]
1141  */
1142 INT WINAPI NamedEscape( HDC hdc, LPCWSTR pDriver, INT nEscape, INT cbInput, LPCSTR lpszInData,
1143                         INT cbOutput, LPSTR lpszOutData )
1144 {
1145     FIXME("(%p, %s, %d, %d, %p, %d, %p)\n",
1146           hdc, wine_dbgstr_w(pDriver), nEscape, cbInput, lpszInData, cbOutput,
1147           lpszOutData);
1148     return 0;
1149 }
1150
1151 /*******************************************************************
1152  *      DdQueryDisplaySettingsUniqueness [GDI32.@]
1153  *      GdiEntry13                       [GDI32.@]
1154  */
1155 ULONG WINAPI DdQueryDisplaySettingsUniqueness(VOID)
1156 {
1157     static int warn_once;
1158
1159     if (!warn_once++)
1160         FIXME("stub\n");
1161     return 0;
1162 }