objects/dc.c

   1 /*
   2  * GDI Device Context functions
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  *
   6  */
   7
   8 #include "config.h"
   9
  10 #include <stdlib.h>
  11 #include <string.h>
  12 #include "gdi.h"
  13 #include "heap.h"
  14 #include "debugtools.h"
  15 #include "font.h"
  16 #include "callback.h"
  17 #include "winerror.h"
  18 #include "windef.h"
  19 #include "wingdi.h"
  20 #include "wine/winuser16.h"
  21
  22 DEFAULT_DEBUG_CHANNEL(dc);
  23
  24
  25 /***********************************************************************
  26  *           DC_AllocDC
  27  */
  28 DC *DC_AllocDC( const DC_FUNCTIONS *funcs )
  29 {
  30     HDC hdc;
  31     DC *dc;
  32
  33     if (!(dc = GDI_AllocObject( sizeof(*dc), DC_MAGIC, &hdc ))) return NULL;
  34
  35     dc->hSelf               = hdc;
  36     dc->funcs               = funcs;
  37     dc->physDev             = NULL;
  38     dc->saveLevel           = 0;
  39     dc->dwHookData          = 0;
  40     dc->hookProc            = NULL;
  41     dc->hookThunk           = NULL;
  42     dc->wndOrgX             = 0;
  43     dc->wndOrgY             = 0;
  44     dc->wndExtX             = 1;
  45     dc->wndExtY             = 1;
  46     dc->vportOrgX           = 0;
  47     dc->vportOrgY           = 0;
  48     dc->vportExtX           = 1;
  49     dc->vportExtY           = 1;
  50     dc->flags               = 0;
  51     dc->devCaps             = NULL;
  52     dc->hClipRgn            = 0;
  53     dc->hVisRgn             = 0;
  54     dc->hGCClipRgn          = 0;
  55     dc->hPen                = GetStockObject( BLACK_PEN );
  56     dc->hBrush              = GetStockObject( WHITE_BRUSH );
  57     dc->hFont               = GetStockObject( SYSTEM_FONT );
  58     dc->hBitmap             = 0;
  59     dc->hDevice             = 0;
  60     dc->hPalette            = GetStockObject( DEFAULT_PALETTE );
  61     dc->ROPmode             = R2_COPYPEN;
  62     dc->polyFillMode        = ALTERNATE;
  63     dc->stretchBltMode      = BLACKONWHITE;
  64     dc->relAbsMode          = ABSOLUTE;
  65     dc->backgroundMode      = OPAQUE;
  66     dc->backgroundColor     = RGB( 255, 255, 255 );
  67     dc->textColor           = RGB( 0, 0, 0 );
  68     dc->brushOrgX           = 0;
  69     dc->brushOrgY           = 0;
  70     dc->textAlign           = TA_LEFT | TA_TOP | TA_NOUPDATECP;
  71     dc->charExtra           = 0;
  72     dc->breakTotalExtra     = 0;
  73     dc->breakCount          = 0;
  74     dc->breakExtra          = 0;
  75     dc->breakRem            = 0;
  76     dc->totalExtent.left    = 0;
  77     dc->totalExtent.top     = 0;
  78     dc->totalExtent.right   = 0;
  79     dc->totalExtent.bottom  = 0;
  80     dc->bitsPerPixel        = 1;
  81     dc->MapMode             = MM_TEXT;
  82     dc->GraphicsMode        = GM_COMPATIBLE;
  83     dc->DCOrgX              = 0;
  84     dc->DCOrgY              = 0;
  85     dc->pAbortProc          = NULL;
  86     dc->CursPosX            = 0;
  87     dc->CursPosY            = 0;
  88     dc->ArcDirection        = AD_COUNTERCLOCKWISE;
  89     dc->xformWorld2Wnd.eM11 = 1.0f;
  90     dc->xformWorld2Wnd.eM12 = 0.0f;
  91     dc->xformWorld2Wnd.eM21 = 0.0f;
  92     dc->xformWorld2Wnd.eM22 = 1.0f;
  93     dc->xformWorld2Wnd.eDx  = 0.0f;
  94     dc->xformWorld2Wnd.eDy  = 0.0f;
  95     dc->xformWorld2Vport    = dc->xformWorld2Wnd;
  96     dc->xformVport2World    = dc->xformWorld2Wnd;
  97     dc->vport2WorldValid    = TRUE;
  98     PATH_InitGdiPath(&dc->path);
  99     return dc;
 100 }
 101
 102
 103
 104 /***********************************************************************
 105  *           DC_GetDCPtr
 106  */
 107 DC *DC_GetDCPtr( HDC hdc )
 108 {
 109     GDIOBJHDR *ptr = GDI_GetObjPtr( hdc, MAGIC_DONTCARE );
 110     if (!ptr) return NULL;
 111     if ((GDIMAGIC(ptr->wMagic) == DC_MAGIC) ||
 112         (GDIMAGIC(ptr->wMagic) == METAFILE_DC_MAGIC) ||
 113         (GDIMAGIC(ptr->wMagic) == ENHMETAFILE_DC_MAGIC))
 114         return (DC *)ptr;
 115     GDI_ReleaseObj( hdc );
 116     SetLastError( ERROR_INVALID_HANDLE );
 117     return NULL;
 118 }
 119
 120 /***********************************************************************
 121  *           DC_GetDCUpdate
 122  *
 123  * Retrieve a DC ptr while making sure the visRgn is updated.
 124  * This function may call up to USER so the GDI lock should _not_
 125  * be held when calling it.
 126  */
 127 DC *DC_GetDCUpdate( HDC hdc )
 128 {
 129     DC *dc = DC_GetDCPtr( hdc );
 130     if (!dc) return NULL;
 131     while (dc->flags & DC_DIRTY)
 132     {
 133         dc->flags &= ~DC_DIRTY;
 134         if (!(dc->flags & (DC_SAVED | DC_MEMORY)))
 135         {
 136             DCHOOKPROC proc = dc->hookThunk;
 137             if (proc)
 138             {
 139                 DWORD data = dc->dwHookData;
 140                 GDI_ReleaseObj( hdc );
 141                 proc( hdc, DCHC_INVALIDVISRGN, data, 0 );
 142                 if (!(dc = DC_GetDCPtr( hdc ))) break;
 143                 /* otherwise restart the loop in case it became dirty again in the meantime */
 144             }
 145         }
 146     }
 147     return dc;
 148 }
 149
 150 /***********************************************************************
 151  *           DC_InitDC
 152  *
 153  * Setup device-specific DC values for a newly created DC.
 154  */
 155 void DC_InitDC( DC* dc )
 156 {
 157     RealizeDefaultPalette16( dc->hSelf );
 158     SetTextColor( dc->hSelf, dc->textColor );
 159     SetBkColor( dc->hSelf, dc->backgroundColor );
 160     SelectObject( dc->hSelf, dc->hPen );
 161     SelectObject( dc->hSelf, dc->hBrush );
 162     SelectObject( dc->hSelf, dc->hFont );
 163     CLIPPING_UpdateGCRegion( dc );
 164 }
 165
 166
 167 /***********************************************************************
 168  *           DC_InvertXform
 169  *
 170  * Computes the inverse of the transformation xformSrc and stores it to
 171  * xformDest. Returns TRUE if successful or FALSE if the xformSrc matrix
 172  * is singular.
 173  */
 174 static BOOL DC_InvertXform( const XFORM *xformSrc, XFORM *xformDest )
 175 {
 176     FLOAT determinant;
 177
 178     determinant = xformSrc->eM11*xformSrc->eM22 -
 179         xformSrc->eM12*xformSrc->eM21;
 180     if (determinant > -1e-12 && determinant < 1e-12)
 181         return FALSE;
 182
 183     xformDest->eM11 =  xformSrc->eM22 / determinant;
 184     xformDest->eM12 = -xformSrc->eM12 / determinant;
 185     xformDest->eM21 = -xformSrc->eM21 / determinant;
 186     xformDest->eM22 =  xformSrc->eM11 / determinant;
 187     xformDest->eDx  = -xformSrc->eDx * xformDest->eM11 -
 188                        xformSrc->eDy * xformDest->eM21;
 189     xformDest->eDy  = -xformSrc->eDx * xformDest->eM12 -
 190                        xformSrc->eDy * xformDest->eM22;
 191
 192     return TRUE;
 193 }
 194
 195
 196 /***********************************************************************
 197  *           DC_UpdateXforms
 198  *
 199  * Updates the xformWorld2Vport, xformVport2World and vport2WorldValid
 200  * fields of the specified DC by creating a transformation that
 201  * represents the current mapping mode and combining it with the DC's
 202  * world transform. This function should be called whenever the
 203  * parameters associated with the mapping mode (window and viewport
 204  * extents and origins) or the world transform change.
 205  */
 206 void DC_UpdateXforms( DC *dc )
 207 {
 208     XFORM xformWnd2Vport;
 209     FLOAT scaleX, scaleY;
 210
 211     /* Construct a transformation to do the window-to-viewport conversion */
 212     scaleX = (FLOAT)dc->vportExtX / (FLOAT)dc->wndExtX;
 213     scaleY = (FLOAT)dc->vportExtY / (FLOAT)dc->wndExtY;
 214     xformWnd2Vport.eM11 = scaleX;
 215     xformWnd2Vport.eM12 = 0.0;
 216     xformWnd2Vport.eM21 = 0.0;
 217     xformWnd2Vport.eM22 = scaleY;
 218     xformWnd2Vport.eDx  = (FLOAT)dc->vportOrgX -
 219         scaleX * (FLOAT)dc->wndOrgX;
 220     xformWnd2Vport.eDy  = (FLOAT)dc->vportOrgY -
 221         scaleY * (FLOAT)dc->wndOrgY;
 222
 223     /* Combine with the world transformation */
 224     CombineTransform( &dc->xformWorld2Vport, &dc->xformWorld2Wnd,
 225         &xformWnd2Vport );
 226
 227     /* Create inverse of world-to-viewport transformation */
 228     dc->vport2WorldValid = DC_InvertXform( &dc->xformWorld2Vport,
 229         &dc->xformVport2World );
 230 }
 231
 232
 233 /***********************************************************************
 234  *           GetDCState    (GDI.179)
 235  */
 236 HDC16 WINAPI GetDCState16( HDC16 hdc )
 237 {
 238     DC * newdc, * dc;
 239     HGDIOBJ handle;
 240
 241     if (!(dc = DC_GetDCUpdate( hdc ))) return 0;
 242     if (!(newdc = GDI_AllocObject( sizeof(DC), DC_MAGIC, &handle )))
 243     {
 244       GDI_ReleaseObj( hdc );
 245       return 0;
 246     }
 247     TRACE("(%04x): returning %04x\n", hdc, handle );
 248
 249     newdc->flags            = dc->flags | DC_SAVED;
 250     newdc->devCaps          = dc->devCaps;
 251     newdc->hPen             = dc->hPen;
 252     newdc->hBrush           = dc->hBrush;
 253     newdc->hFont            = dc->hFont;
 254     newdc->hBitmap          = dc->hBitmap;
 255     newdc->hDevice          = dc->hDevice;
 256     newdc->hPalette         = dc->hPalette;
 257     newdc->totalExtent      = dc->totalExtent;
 258     newdc->bitsPerPixel     = dc->bitsPerPixel;
 259     newdc->ROPmode          = dc->ROPmode;
 260     newdc->polyFillMode     = dc->polyFillMode;
 261     newdc->stretchBltMode   = dc->stretchBltMode;
 262     newdc->relAbsMode       = dc->relAbsMode;
 263     newdc->backgroundMode   = dc->backgroundMode;
 264     newdc->backgroundColor  = dc->backgroundColor;
 265     newdc->textColor        = dc->textColor;
 266     newdc->brushOrgX        = dc->brushOrgX;
 267     newdc->brushOrgY        = dc->brushOrgY;
 268     newdc->textAlign        = dc->textAlign;
 269     newdc->charExtra        = dc->charExtra;
 270     newdc->breakTotalExtra  = dc->breakTotalExtra;
 271     newdc->breakCount       = dc->breakCount;
 272     newdc->breakExtra       = dc->breakExtra;
 273     newdc->breakRem         = dc->breakRem;
 274     newdc->MapMode          = dc->MapMode;
 275     newdc->GraphicsMode     = dc->GraphicsMode;
 276 #if 0
 277     /* Apparently, the DC origin is not changed by [GS]etDCState */
 278     newdc->DCOrgX           = dc->DCOrgX;
 279     newdc->DCOrgY           = dc->DCOrgY;
 280 #endif
 281     newdc->CursPosX         = dc->CursPosX;
 282     newdc->CursPosY         = dc->CursPosY;
 283     newdc->ArcDirection     = dc->ArcDirection;
 284     newdc->xformWorld2Wnd   = dc->xformWorld2Wnd;
 285     newdc->xformWorld2Vport = dc->xformWorld2Vport;
 286     newdc->xformVport2World = dc->xformVport2World;
 287     newdc->vport2WorldValid = dc->vport2WorldValid;
 288     newdc->wndOrgX          = dc->wndOrgX;
 289     newdc->wndOrgY          = dc->wndOrgY;
 290     newdc->wndExtX          = dc->wndExtX;
 291     newdc->wndExtY          = dc->wndExtY;
 292     newdc->vportOrgX        = dc->vportOrgX;
 293     newdc->vportOrgY        = dc->vportOrgY;
 294     newdc->vportExtX        = dc->vportExtX;
 295     newdc->vportExtY        = dc->vportExtY;
 296
 297     newdc->hSelf = (HDC)handle;
 298     newdc->saveLevel = 0;
 299
 300     PATH_InitGdiPath( &newdc->path );
 301
 302     newdc->pAbortProc = NULL;
 303     newdc->hookThunk  = NULL;
 304     newdc->hookProc   = 0;
 305
 306     /* Get/SetDCState() don't change hVisRgn field ("Undoc. Windows" p.559). */
 307
 308     newdc->hGCClipRgn = newdc->hVisRgn = 0;
 309     if (dc->hClipRgn)
 310     {
 311         newdc->hClipRgn = CreateRectRgn( 0, 0, 0, 0 );
 312         CombineRgn( newdc->hClipRgn, dc->hClipRgn, 0, RGN_COPY );
 313     }
 314     else
 315         newdc->hClipRgn = 0;
 316     GDI_ReleaseObj( handle );
 317     GDI_ReleaseObj( hdc );
 318     return handle;
 319 }
 320
 321
 322 /***********************************************************************
 323  *           SetDCState    (GDI.180)
 324  */
 325 void WINAPI SetDCState16( HDC16 hdc, HDC16 hdcs )
 326 {
 327     DC *dc, *dcs;
 328
 329     if (!(dc = GDI_GetObjPtr( hdc, DC_MAGIC ))) return;
 330     if (!(dcs = GDI_GetObjPtr( hdcs, DC_MAGIC )))
 331     {
 332       GDI_ReleaseObj( hdc );
 333       return;
 334     }
 335     if (!dcs->flags & DC_SAVED)
 336     {
 337       GDI_ReleaseObj( hdc );
 338       GDI_ReleaseObj( hdcs );
 339       return;
 340     }
 341     TRACE("%04x %04x\n", hdc, hdcs );
 342
 343     dc->flags            = dcs->flags & ~DC_SAVED;
 344     dc->devCaps          = dcs->devCaps;
 345     dc->hDevice          = dcs->hDevice;
 346     dc->totalExtent      = dcs->totalExtent;
 347     dc->ROPmode          = dcs->ROPmode;
 348     dc->polyFillMode     = dcs->polyFillMode;
 349     dc->stretchBltMode   = dcs->stretchBltMode;
 350     dc->relAbsMode       = dcs->relAbsMode;
 351     dc->backgroundMode   = dcs->backgroundMode;
 352     dc->backgroundColor  = dcs->backgroundColor;
 353     dc->textColor        = dcs->textColor;
 354     dc->brushOrgX        = dcs->brushOrgX;
 355     dc->brushOrgY        = dcs->brushOrgY;
 356     dc->textAlign        = dcs->textAlign;
 357     dc->charExtra        = dcs->charExtra;
 358     dc->breakTotalExtra  = dcs->breakTotalExtra;
 359     dc->breakCount       = dcs->breakCount;
 360     dc->breakExtra       = dcs->breakExtra;
 361     dc->breakRem         = dcs->breakRem;
 362     dc->MapMode          = dcs->MapMode;
 363     dc->GraphicsMode     = dcs->GraphicsMode;
 364 #if 0
 365     /* Apparently, the DC origin is not changed by [GS]etDCState */
 366     dc->DCOrgX           = dcs->DCOrgX;
 367     dc->DCOrgY           = dcs->DCOrgY;
 368 #endif
 369     dc->CursPosX         = dcs->CursPosX;
 370     dc->CursPosY         = dcs->CursPosY;
 371     dc->ArcDirection     = dcs->ArcDirection;
 372     dc->xformWorld2Wnd   = dcs->xformWorld2Wnd;
 373     dc->xformWorld2Vport = dcs->xformWorld2Vport;
 374     dc->xformVport2World = dcs->xformVport2World;
 375     dc->vport2WorldValid = dcs->vport2WorldValid;
 376
 377     dc->wndOrgX          = dcs->wndOrgX;
 378     dc->wndOrgY          = dcs->wndOrgY;
 379     dc->wndExtX          = dcs->wndExtX;
 380     dc->wndExtY          = dcs->wndExtY;
 381     dc->vportOrgX        = dcs->vportOrgX;
 382     dc->vportOrgY        = dcs->vportOrgY;
 383     dc->vportExtX        = dcs->vportExtX;
 384     dc->vportExtY        = dcs->vportExtY;
 385
 386     if (!(dc->flags & DC_MEMORY)) dc->bitsPerPixel = dcs->bitsPerPixel;
 387
 388     if (dcs->hClipRgn)
 389     {
 390         if (!dc->hClipRgn) dc->hClipRgn = CreateRectRgn( 0, 0, 0, 0 );
 391         CombineRgn( dc->hClipRgn, dcs->hClipRgn, 0, RGN_COPY );
 392     }
 393     else
 394     {
 395         if (dc->hClipRgn) DeleteObject( dc->hClipRgn );
 396         dc->hClipRgn = 0;
 397     }
 398     CLIPPING_UpdateGCRegion( dc );
 399
 400     SelectObject( hdc, dcs->hBitmap );
 401     SelectObject( hdc, dcs->hBrush );
 402     SelectObject( hdc, dcs->hFont );
 403     SelectObject( hdc, dcs->hPen );
 404     SetBkColor( hdc, dcs->backgroundColor);
 405     SetTextColor( hdc, dcs->textColor);
 406     GDISelectPalette16( hdc, dcs->hPalette, FALSE );
 407     GDI_ReleaseObj( hdcs );
 408     GDI_ReleaseObj( hdc );
 409 }
 410
 411
 412 /***********************************************************************
 413  *           SaveDC    (GDI.30)
 414  */
 415 INT16 WINAPI SaveDC16( HDC16 hdc )
 416 {
 417     return (INT16)SaveDC( hdc );
 418 }
 419
 420
 421 /***********************************************************************
 422  *           SaveDC    (GDI32.@)
 423  */
 424 INT WINAPI SaveDC( HDC hdc )
 425 {
 426     HDC hdcs;
 427     DC * dc, * dcs;
 428     INT ret;
 429
 430     dc = DC_GetDCUpdate( hdc );
 431     if (!dc) return 0;
 432
 433     if(dc->funcs->pSaveDC)
 434     {
 435         ret = dc->funcs->pSaveDC( dc );
 436         GDI_ReleaseObj( hdc );
 437         return ret;
 438     }
 439
 440     if (!(hdcs = GetDCState16( hdc )))
 441     {
 442       GDI_ReleaseObj( hdc );
 443       return 0;
 444     }
 445     dcs = GDI_GetObjPtr( hdcs, DC_MAGIC );
 446
 447     /* Copy path. The reason why path saving / restoring is in SaveDC/
 448      * RestoreDC and not in GetDCState/SetDCState is that the ...DCState
 449      * functions are only in Win16 (which doesn't have paths) and that
 450      * SetDCState doesn't allow us to signal an error (which can happen
 451      * when copying paths).
 452      */
 453     if (!PATH_AssignGdiPath( &dcs->path, &dc->path ))
 454     {
 455         GDI_ReleaseObj( hdc );
 456         GDI_ReleaseObj( hdcs );
 457         DeleteDC( hdcs );
 458         return 0;
 459     }
 460
 461     dcs->header.hNext = dc->header.hNext;
 462     dc->header.hNext = hdcs;
 463     TRACE("(%04x): returning %d\n", hdc, dc->saveLevel+1 );
 464     ret = ++dc->saveLevel;
 465     GDI_ReleaseObj( hdcs );
 466     GDI_ReleaseObj( hdc );
 467     return ret;
 468 }
 469
 470
 471 /***********************************************************************
 472  *           RestoreDC    (GDI.39)
 473  */
 474 BOOL16 WINAPI RestoreDC16( HDC16 hdc, INT16 level )
 475 {
 476     return RestoreDC( hdc, level );
 477 }
 478
 479
 480 /***********************************************************************
 481  *           RestoreDC    (GDI32.@)
 482  */
 483 BOOL WINAPI RestoreDC( HDC hdc, INT level )
 484 {
 485     DC * dc, * dcs;
 486     BOOL success;
 487
 488     TRACE("%04x %d\n", hdc, level );
 489     dc = DC_GetDCPtr( hdc );
 490     if(!dc) return FALSE;
 491     if(dc->funcs->pRestoreDC)
 492     {
 493         success = dc->funcs->pRestoreDC( dc, level );
 494         GDI_ReleaseObj( hdc );
 495         return success;
 496     }
 497
 498     if (level == -1) level = dc->saveLevel;
 499     if ((level < 1)
 500             /* This pair of checks disagrees with MSDN "Platform SDK:
 501                Windows GDI" July 2000 which says all negative values
 502                for level will be interpreted as an instance relative
 503                to the current state.  Restricting it to just -1 does
 504                not satisfy this */
 505         || (level > dc->saveLevel))
 506     {
 507         GDI_ReleaseObj( hdc );
 508         return FALSE;
 509     }
 510
 511     success=TRUE;
 512     while (dc->saveLevel >= level)
 513     {
 514         HDC16 hdcs = dc->header.hNext;
 515         if (!(dcs = GDI_GetObjPtr( hdcs, DC_MAGIC )))
 516         {
 517           GDI_ReleaseObj( hdc );
 518           return FALSE;
 519         }
 520         dc->header.hNext = dcs->header.hNext;
 521         if (--dc->saveLevel < level)
 522         {
 523             SetDCState16( hdc, hdcs );
 524             if (!PATH_AssignGdiPath( &dc->path, &dcs->path ))
 525                 /* FIXME: This might not be quite right, since we're
 526                  * returning FALSE but still destroying the saved DC state */
 527                 success=FALSE;
 528         }
 529         GDI_ReleaseObj( hdcs );
 530         DeleteDC( hdcs );
 531     }
 532     GDI_ReleaseObj( hdc );
 533     return success;
 534 }
 535
 536
 537 /***********************************************************************
 538  *           CreateDC    (GDI.53)
 539  */
 540 HDC16 WINAPI CreateDC16( LPCSTR driver, LPCSTR device, LPCSTR output,
 541                          const DEVMODEA *initData )
 542 {
 543     return CreateDCA( driver, device, output, initData );
 544 }
 545
 546 /***********************************************************************
 547  *           CreateDCA    (GDI32.@)
 548  */
 549 HDC WINAPI CreateDCA( LPCSTR driver, LPCSTR device, LPCSTR output,
 550                           const DEVMODEA *initData )
 551 {
 552     HDC hdc;
 553     DC * dc;
 554     const DC_FUNCTIONS *funcs;
 555     char buf[300];
 556
 557     if (!device || !DRIVER_GetDriverName( device, buf, sizeof(buf) ))
 558         strcpy(buf, driver);
 559
 560     if (!(funcs = DRIVER_FindDriver( buf ))) return 0;
 561     if (!(dc = DC_AllocDC( funcs ))) return 0;
 562     dc->flags = 0;
 563
 564     TRACE("(driver=%s, device=%s, output=%s): returning %04x\n",
 565                debugstr_a(driver), debugstr_a(device), debugstr_a(output), dc->hSelf );
 566
 567     if (dc->funcs->pCreateDC &&
 568         !dc->funcs->pCreateDC( dc, buf, device, output, initData ))
 569     {
 570         WARN("creation aborted by device\n" );
 571         GDI_FreeObject( dc->hSelf, dc );
 572         return 0;
 573     }
 574
 575     DC_InitDC( dc );
 576     hdc = dc->hSelf;
 577     GDI_ReleaseObj( hdc );
 578     return hdc;
 579 }
 580
 581
 582 /***********************************************************************
 583  *           CreateDCW    (GDI32.@)
 584  */
 585 HDC WINAPI CreateDCW( LPCWSTR driver, LPCWSTR device, LPCWSTR output,
 586                           const DEVMODEW *initData )
 587 {
 588     LPSTR driverA = HEAP_strdupWtoA( GetProcessHeap(), 0, driver );
 589     LPSTR deviceA = HEAP_strdupWtoA( GetProcessHeap(), 0, device );
 590     LPSTR outputA = HEAP_strdupWtoA( GetProcessHeap(), 0, output );
 591     HDC res = CreateDCA( driverA, deviceA, outputA,
 592                             (const DEVMODEA *)initData /*FIXME*/ );
 593     HeapFree( GetProcessHeap(), 0, driverA );
 594     HeapFree( GetProcessHeap(), 0, deviceA );
 595     HeapFree( GetProcessHeap(), 0, outputA );
 596     return res;
 597 }
 598
 599
 600 /***********************************************************************
 601  *           CreateIC    (GDI.153)
 602  */
 603 HDC16 WINAPI CreateIC16( LPCSTR driver, LPCSTR device, LPCSTR output,
 604                          const DEVMODEA* initData )
 605 {
 606       /* Nothing special yet for ICs */
 607     return CreateDC16( driver, device, output, initData );
 608 }
 609
 610
 611 /***********************************************************************
 612  *           CreateICA    (GDI32.@)
 613  */
 614 HDC WINAPI CreateICA( LPCSTR driver, LPCSTR device, LPCSTR output,
 615                           const DEVMODEA* initData )
 616 {
 617       /* Nothing special yet for ICs */
 618     return CreateDCA( driver, device, output, initData );
 619 }
 620
 621
 622 /***********************************************************************
 623  *           CreateICW    (GDI32.@)
 624  */
 625 HDC WINAPI CreateICW( LPCWSTR driver, LPCWSTR device, LPCWSTR output,
 626                           const DEVMODEW* initData )
 627 {
 628       /* Nothing special yet for ICs */
 629     return CreateDCW( driver, device, output, initData );
 630 }
 631
 632
 633 /***********************************************************************
 634  *           CreateCompatibleDC    (GDI.52)
 635  */
 636 HDC16 WINAPI CreateCompatibleDC16( HDC16 hdc )
 637 {
 638     return (HDC16)CreateCompatibleDC( hdc );
 639 }
 640
 641
 642 /***********************************************************************
 643  *           CreateCompatibleDC   (GDI32.@)
 644  */
 645 HDC WINAPI CreateCompatibleDC( HDC hdc )
 646 {
 647     DC *dc, *origDC;
 648     const DC_FUNCTIONS *funcs;
 649
 650     if ((origDC = GDI_GetObjPtr( hdc, DC_MAGIC ))) funcs = origDC->funcs;
 651     else funcs = DRIVER_FindDriver( "DISPLAY" );
 652
 653     if (!funcs || !(dc = DC_AllocDC( funcs )))
 654     {
 655         if (origDC) GDI_ReleaseObj( hdc );
 656         return 0;
 657     }
 658
 659     TRACE("(%04x): returning %04x\n",
 660                hdc, dc->hSelf );
 661
 662     dc->flags        = DC_MEMORY;
 663     dc->bitsPerPixel = 1;
 664     dc->hBitmap      = hPseudoStockBitmap;
 665
 666     /* Copy the driver-specific physical device info into
 667      * the new DC. The driver may use this read-only info
 668      * while creating the compatible DC below. */
 669     if (origDC)
 670         dc->physDev = origDC->physDev;
 671
 672     if (dc->funcs->pCreateDC &&
 673         !dc->funcs->pCreateDC( dc, NULL, NULL, NULL, NULL ))
 674     {
 675         WARN("creation aborted by device\n");
 676         GDI_FreeObject( dc->hSelf, dc );
 677         if (origDC) GDI_ReleaseObj( hdc );
 678         return 0;
 679     }
 680
 681     DC_InitDC( dc );
 682     GDI_ReleaseObj( dc->hSelf );
 683     if (origDC) GDI_ReleaseObj( hdc );
 684     return dc->hSelf;
 685 }
 686
 687
 688 /***********************************************************************
 689  *           DeleteDC    (GDI.68)
 690  */
 691 BOOL16 WINAPI DeleteDC16( HDC16 hdc )
 692 {
 693     return DeleteDC( hdc );
 694 }
 695
 696
 697 /***********************************************************************
 698  *           DeleteDC    (GDI32.@)
 699  */
 700 BOOL WINAPI DeleteDC( HDC hdc )
 701 {
 702     DC * dc = GDI_GetObjPtr( hdc, DC_MAGIC );
 703     if (!dc) return FALSE;
 704
 705     TRACE("%04x\n", hdc );
 706
 707     /* Call hook procedure to check whether is it OK to delete this DC */
 708     if (dc->hookThunk && !(dc->flags & (DC_SAVED | DC_MEMORY)))
 709     {
 710         DCHOOKPROC proc = dc->hookThunk;
 711         if (proc)
 712         {
 713             DWORD data = dc->dwHookData;
 714             GDI_ReleaseObj( hdc );
 715             if (!proc( hdc, DCHC_DELETEDC, data, 0 )) return FALSE;
 716             if (!(dc = DC_GetDCPtr( hdc ))) return FALSE;
 717         }
 718     }
 719
 720     while (dc->saveLevel)
 721     {
 722         DC * dcs;
 723         HDC16 hdcs = dc->header.hNext;
 724         if (!(dcs = GDI_GetObjPtr( hdcs, DC_MAGIC ))) break;
 725         dc->header.hNext = dcs->header.hNext;
 726         dc->saveLevel--;
 727         GDI_ReleaseObj( hdcs );
 728         DeleteDC( hdcs );
 729     }
 730
 731     if (!(dc->flags & DC_SAVED))
 732     {
 733         SelectObject( hdc, GetStockObject(BLACK_PEN) );
 734         SelectObject( hdc, GetStockObject(WHITE_BRUSH) );
 735         SelectObject( hdc, GetStockObject(SYSTEM_FONT) );
 736         if (dc->funcs->pDeleteDC) dc->funcs->pDeleteDC(dc);
 737     }
 738
 739     if (dc->hClipRgn) DeleteObject( dc->hClipRgn );
 740     if (dc->hVisRgn) DeleteObject( dc->hVisRgn );
 741     if (dc->hGCClipRgn) DeleteObject( dc->hGCClipRgn );
 742     if (dc->pAbortProc) THUNK_Free( (FARPROC)dc->pAbortProc );
 743     if (dc->hookThunk) THUNK_Free( (FARPROC)dc->hookThunk );
 744     PATH_DestroyGdiPath(&dc->path);
 745
 746     return GDI_FreeObject( hdc, dc );
 747 }
 748
 749
 750 /***********************************************************************
 751  *           ResetDC    (GDI.376)
 752  */
 753 HDC16 WINAPI ResetDC16( HDC16 hdc, const DEVMODEA *devmode )
 754 {
 755     FIXME("stub\n" );
 756     return hdc;
 757 }
 758
 759
 760 /***********************************************************************
 761  *           ResetDCA    (GDI32.@)
 762  */
 763 HDC WINAPI ResetDCA( HDC hdc, const DEVMODEA *devmode )
 764 {
 765     FIXME("stub\n" );
 766     return hdc;
 767 }
 768
 769
 770 /***********************************************************************
 771  *           ResetDCW    (GDI32.@)
 772  */
 773 HDC WINAPI ResetDCW( HDC hdc, const DEVMODEW *devmode )
 774 {
 775     FIXME("stub\n" );
 776     return hdc;
 777 }
 778
 779
 780 /***********************************************************************
 781  *           GetDeviceCaps    (GDI.80)
 782  */
 783 INT16 WINAPI GetDeviceCaps16( HDC16 hdc, INT16 cap )
 784 {
 785     INT16 ret = GetDeviceCaps( hdc, cap );
 786     /* some apps don't expect -1 and think it's a B&W screen */
 787     if ((cap == NUMCOLORS) && (ret == -1)) ret = 2048;
 788     return ret;
 789 }
 790
 791
 792 /***********************************************************************
 793  *           GetDeviceCaps    (GDI32.@)
 794  */
 795 INT WINAPI GetDeviceCaps( HDC hdc, INT cap )
 796 {
 797     DC *dc;
 798     INT ret = 0;
 799     POINT pt;
 800
 801     /* Device capabilities for the printer */
 802     switch (cap)
 803     {
 804     case PHYSICALWIDTH:
 805         if(Escape(hdc, GETPHYSPAGESIZE, 0, NULL, (LPVOID)&pt) > 0) ret = pt.x;
 806         break;
 807     case PHYSICALHEIGHT:
 808         if(Escape(hdc, GETPHYSPAGESIZE, 0, NULL, (LPVOID)&pt) > 0) ret = pt.y;
 809         break;
 810     case PHYSICALOFFSETX:
 811         if(Escape(hdc, GETPRINTINGOFFSET, 0, NULL, (LPVOID)&pt) > 0) ret = pt.x;
 812         break;
 813     case PHYSICALOFFSETY:
 814         if(Escape(hdc, GETPRINTINGOFFSET, 0, NULL, (LPVOID)&pt) > 0) ret = pt.y;
 815         break;
 816     case SCALINGFACTORX:
 817         if(Escape(hdc, GETSCALINGFACTOR, 0, NULL, (LPVOID)&pt) > 0) ret = pt.x;
 818         break;
 819     case SCALINGFACTORY:
 820         if(Escape(hdc, GETSCALINGFACTOR, 0, NULL, (LPVOID)&pt) > 0) ret = pt.y;
 821         break;
 822     case CAPS1:
 823         FIXME("(%04x,%d): DeviceCaps param CAPS1 is UNIMPLEMENTED, will yield 0!\n",
 824                   hdc,cap );
 825
 826         /* please see wingdi.h for the possible bit-flag values that need
 827            to be returned.
 828
 829            also, see
 830            http://msdn.microsoft.com/library/ddkdoc/win95ddk/graphcnt_1m0p.htm
 831
 832            the fall-through to 'default' is on purpose */
 833
 834
 835     default:
 836         if ((cap < 0) || (cap > sizeof(DeviceCaps)-sizeof(WORD))) break;
 837
 838         if (((cap>=46) && (cap<88)) || ((cap>=92) && (cap<104)))
 839             FIXME("(%04x,%d): unsupported DeviceCaps capability, will yield 0!\n",
 840                   hdc,cap );
 841         if ((dc = DC_GetDCPtr( hdc )))
 842         {
 843             if (dc->devCaps)
 844             {
 845                 ret = *(WORD *)(((char *)dc->devCaps) + cap);
 846                 if ((cap == NUMCOLORS) && (ret == 0xffff)) ret = -1;
 847             }
 848             GDI_ReleaseObj( hdc );
 849         }
 850         break;
 851     }
 852
 853     TRACE("(%04x,%d): returning %d\n", hdc, cap, ret );
 854     return ret;
 855 }
 856
 857
 858 /***********************************************************************
 859  *           SetBkColor    (GDI.1)
 860  */
 861 COLORREF WINAPI SetBkColor16( HDC16 hdc, COLORREF color )
 862 {
 863     return SetBkColor( hdc, color );
 864 }
 865
 866
 867 /***********************************************************************
 868  *           SetBkColor    (GDI32.@)
 869  */
 870 COLORREF WINAPI SetBkColor( HDC hdc, COLORREF color )
 871 {
 872     COLORREF oldColor;
 873     DC * dc = DC_GetDCPtr( hdc );
 874
 875     if (!dc) return 0x80000000;
 876     if (dc->funcs->pSetBkColor)
 877         oldColor = dc->funcs->pSetBkColor(dc, color);
 878     else {
 879         oldColor = dc->backgroundColor;
 880         dc->backgroundColor = color;
 881     }
 882     GDI_ReleaseObj( hdc );
 883     return oldColor;
 884 }
 885
 886
 887 /***********************************************************************
 888  *           SetTextColor    (GDI.9)
 889  */
 890 COLORREF WINAPI SetTextColor16( HDC16 hdc, COLORREF color )
 891 {
 892     return SetTextColor( hdc, color );
 893 }
 894
 895
 896 /***********************************************************************
 897  *           SetTextColor    (GDI32.@)
 898  */
 899 COLORREF WINAPI SetTextColor( HDC hdc, COLORREF color )
 900 {
 901     COLORREF oldColor;
 902     DC * dc = DC_GetDCPtr( hdc );
 903
 904     if (!dc) return 0x80000000;
 905     if (dc->funcs->pSetTextColor)
 906         oldColor = dc->funcs->pSetTextColor(dc, color);
 907     else {
 908         oldColor = dc->textColor;
 909         dc->textColor = color;
 910     }
 911     GDI_ReleaseObj( hdc );
 912     return oldColor;
 913 }
 914
 915 /***********************************************************************
 916  *           SetTextAlign    (GDI.346)
 917  */
 918 UINT16 WINAPI SetTextAlign16( HDC16 hdc, UINT16 align )
 919 {
 920     return SetTextAlign( hdc, align );
 921 }
 922
 923
 924 /***********************************************************************
 925  *           SetTextAlign    (GDI32.@)
 926  */
 927 UINT WINAPI SetTextAlign( HDC hdc, UINT align )
 928 {
 929     UINT prevAlign;
 930     DC *dc = DC_GetDCPtr( hdc );
 931     if (!dc) return 0x0;
 932     if (dc->funcs->pSetTextAlign)
 933         prevAlign = dc->funcs->pSetTextAlign(dc, align);
 934     else {
 935         prevAlign = dc->textAlign;
 936         dc->textAlign = align;
 937     }
 938     GDI_ReleaseObj( hdc );
 939     return prevAlign;
 940 }
 941
 942 /***********************************************************************
 943  *           GetDCOrgEx  (GDI32.@)
 944  */
 945 BOOL WINAPI GetDCOrgEx( HDC hDC, LPPOINT lpp )
 946 {
 947     DC * dc;
 948
 949     if (!lpp) return FALSE;
 950     if (!(dc = DC_GetDCPtr( hDC ))) return FALSE;
 951
 952     lpp->x = lpp->y = 0;
 953     if (dc->funcs->pGetDCOrgEx) dc->funcs->pGetDCOrgEx( dc, lpp );
 954     lpp->x += dc->DCOrgX;
 955     lpp->y += dc->DCOrgY;
 956     GDI_ReleaseObj( hDC );
 957     return TRUE;
 958 }
 959
 960
 961 /***********************************************************************
 962  *           GetDCOrg    (GDI.79)
 963  */
 964 DWORD WINAPI GetDCOrg16( HDC16 hdc )
 965 {
 966     POINT       pt;
 967     if( GetDCOrgEx( hdc, &pt) )
 968         return MAKELONG( (WORD)pt.x, (WORD)pt.y );
 969     return 0;
 970 }
 971
 972
 973 /***********************************************************************
 974  *           SetDCOrg    (GDI.117)
 975  */
 976 DWORD WINAPI SetDCOrg16( HDC16 hdc, INT16 x, INT16 y )
 977 {
 978     DWORD prevOrg;
 979     DC *dc = DC_GetDCPtr( hdc );
 980     if (!dc) return 0;
 981     prevOrg = dc->DCOrgX | (dc->DCOrgY << 16);
 982     dc->DCOrgX = x;
 983     dc->DCOrgY = y;
 984     GDI_ReleaseObj( hdc );
 985     return prevOrg;
 986 }
 987
 988
 989 /***********************************************************************
 990  *           SetGraphicsMode    (GDI32.@)
 991  */
 992 INT WINAPI SetGraphicsMode( HDC hdc, INT mode )
 993 {
 994     INT ret = 0;
 995     DC *dc = DC_GetDCPtr( hdc );
 996
 997     /* One would think that setting the graphics mode to GM_COMPATIBLE
 998      * would also reset the world transformation matrix to the unity
 999      * matrix. However, in Windows, this is not the case. This doesn't
1000      * make a lot of sense to me, but that's the way it is.
1001      */
1002     if (!dc) return 0;
1003     if ((mode > 0) || (mode <= GM_LAST))
1004     {
1005         ret = dc->GraphicsMode;
1006         dc->GraphicsMode = mode;
1007     }
1008     GDI_ReleaseObj( hdc );
1009     return ret;
1010 }
1011
1012
1013 /***********************************************************************
1014  *           SetArcDirection    (GDI.525)
1015  */
1016 INT16 WINAPI SetArcDirection16( HDC16 hdc, INT16 nDirection )
1017 {
1018     return SetArcDirection( (HDC)hdc, (INT)nDirection );
1019 }
1020
1021
1022 /***********************************************************************
1023  *           SetArcDirection    (GDI32.@)
1024  */
1025 INT WINAPI SetArcDirection( HDC hdc, INT nDirection )
1026 {
1027     DC * dc;
1028     INT nOldDirection = 0;
1029
1030     if (nDirection!=AD_COUNTERCLOCKWISE && nDirection!=AD_CLOCKWISE)
1031     {
1032         SetLastError(ERROR_INVALID_PARAMETER);
1033         return 0;
1034     }
1035
1036     if ((dc = DC_GetDCPtr( hdc )))
1037     {
1038         nOldDirection = dc->ArcDirection;
1039         dc->ArcDirection = nDirection;
1040         GDI_ReleaseObj( hdc );
1041     }
1042     return nOldDirection;
1043 }
1044
1045
1046 /***********************************************************************
1047  *           GetWorldTransform    (GDI32.@)
1048  */
1049 BOOL WINAPI GetWorldTransform( HDC hdc, LPXFORM xform )
1050 {
1051     DC * dc;
1052     if (!xform) return FALSE;
1053     if (!(dc = DC_GetDCPtr( hdc ))) return FALSE;
1054     *xform = dc->xformWorld2Wnd;
1055     GDI_ReleaseObj( hdc );
1056     return TRUE;
1057 }
1058
1059
1060 /***********************************************************************
1061  *           SetWorldTransform    (GDI32.@)
1062  */
1063 BOOL WINAPI SetWorldTransform( HDC hdc, const XFORM *xform )
1064 {
1065     BOOL ret = FALSE;
1066     DC *dc = DC_GetDCPtr( hdc );
1067
1068     if (!dc) return FALSE;
1069     if (!xform) goto done;
1070
1071     /* Check that graphics mode is GM_ADVANCED */
1072     if (dc->GraphicsMode!=GM_ADVANCED) goto done;
1073
1074     dc->xformWorld2Wnd = *xform;
1075     DC_UpdateXforms( dc );
1076     ret = TRUE;
1077  done:
1078     GDI_ReleaseObj( hdc );
1079     return ret;
1080 }
1081
1082
1083 /****************************************************************************
1084  * ModifyWorldTransform [GDI32.@]
1085  * Modifies the world transformation for a device context.
1086  *
1087  * PARAMS
1088  *    hdc   [I] Handle to device context
1089  *    xform [I] XFORM structure that will be used to modify the world
1090  *              transformation
1091  *    iMode [I] Specifies in what way to modify the world transformation
1092  *              Possible values:
1093  *              MWT_IDENTITY
1094  *                 Resets the world transformation to the identity matrix.
1095  *                 The parameter xform is ignored.
1096  *              MWT_LEFTMULTIPLY
1097  *                 Multiplies xform into the world transformation matrix from
1098  *                 the left.
1099  *              MWT_RIGHTMULTIPLY
1100  *                 Multiplies xform into the world transformation matrix from
1101  *                 the right.
1102  *
1103  * RETURNS STD
1104  */
1105 BOOL WINAPI ModifyWorldTransform( HDC hdc, const XFORM *xform,
1106     DWORD iMode )
1107 {
1108     BOOL ret = FALSE;
1109     DC *dc = DC_GetDCPtr( hdc );
1110
1111     /* Check for illegal parameters */
1112     if (!dc) return FALSE;
1113     if (!xform) goto done;
1114
1115     /* Check that graphics mode is GM_ADVANCED */
1116     if (dc->GraphicsMode!=GM_ADVANCED) goto done;
1117
1118     switch (iMode)
1119     {
1120         case MWT_IDENTITY:
1121             dc->xformWorld2Wnd.eM11 = 1.0f;
1122             dc->xformWorld2Wnd.eM12 = 0.0f;
1123             dc->xformWorld2Wnd.eM21 = 0.0f;
1124             dc->xformWorld2Wnd.eM22 = 1.0f;
1125             dc->xformWorld2Wnd.eDx  = 0.0f;
1126             dc->xformWorld2Wnd.eDy  = 0.0f;
1127             break;
1128         case MWT_LEFTMULTIPLY:
1129             CombineTransform( &dc->xformWorld2Wnd, xform,
1130                 &dc->xformWorld2Wnd );
1131             break;
1132         case MWT_RIGHTMULTIPLY:
1133             CombineTransform( &dc->xformWorld2Wnd, &dc->xformWorld2Wnd,
1134                 xform );
1135             break;
1136         default:
1137             goto done;
1138     }
1139
1140     DC_UpdateXforms( dc );
1141     ret = TRUE;
1142  done:
1143     GDI_ReleaseObj( hdc );
1144     return ret;
1145 }
1146
1147
1148 /****************************************************************************
1149  * CombineTransform [GDI32.@]
1150  * Combines two transformation matrices.
1151  *
1152  * PARAMS
1153  *    xformResult [O] Stores the result of combining the two matrices
1154  *    xform1      [I] Specifies the first matrix to apply
1155  *    xform2      [I] Specifies the second matrix to apply
1156  *
1157  * REMARKS
1158  *    The same matrix can be passed in for more than one of the parameters.
1159  *
1160  * RETURNS STD
1161  */
1162 BOOL WINAPI CombineTransform( LPXFORM xformResult, const XFORM *xform1,
1163     const XFORM *xform2 )
1164 {
1165     XFORM xformTemp;
1166
1167     /* Check for illegal parameters */
1168     if (!xformResult || !xform1 || !xform2)
1169         return FALSE;
1170
1171     /* Create the result in a temporary XFORM, since xformResult may be
1172      * equal to xform1 or xform2 */
1173     xformTemp.eM11 = xform1->eM11 * xform2->eM11 +
1174                      xform1->eM12 * xform2->eM21;
1175     xformTemp.eM12 = xform1->eM11 * xform2->eM12 +
1176                      xform1->eM12 * xform2->eM22;
1177     xformTemp.eM21 = xform1->eM21 * xform2->eM11 +
1178                      xform1->eM22 * xform2->eM21;
1179     xformTemp.eM22 = xform1->eM21 * xform2->eM12 +
1180                      xform1->eM22 * xform2->eM22;
1181     xformTemp.eDx  = xform1->eDx  * xform2->eM11 +
1182                      xform1->eDy  * xform2->eM21 +
1183                      xform2->eDx;
1184     xformTemp.eDy  = xform1->eDx  * xform2->eM12 +
1185                      xform1->eDy  * xform2->eM22 +
1186                      xform2->eDy;
1187
1188     /* Copy the result to xformResult */
1189     *xformResult = xformTemp;
1190
1191     return TRUE;
1192 }
1193
1194
1195 /***********************************************************************
1196  *           SetDCHook   (GDI.190)
1197  */
1198
1199 /* ### start build ### */
1200 extern WORD CALLBACK GDI_CallTo16_word_wwll(FARPROC16,WORD,WORD,LONG,LONG);
1201 /* ### stop build ### */
1202
1203 /**********************************************************************/
1204
1205 BOOL16 WINAPI SetDCHook( HDC16 hdc, FARPROC16 hookProc, DWORD dwHookData )
1206 {
1207     DC *dc = DC_GetDCPtr( hdc );
1208     if (!dc) return FALSE;
1209
1210     /*
1211      * Note: We store the original SEGPTR 'hookProc' as we need to be
1212      *       able to return it verbatim in GetDCHook,
1213      *
1214      *       On the other hand, we still call THUNK_Alloc and store the
1215      *       32-bit thunk into another DC member, because THUNK_Alloc
1216      *       recognizes the (typical) case that the 'hookProc' is indeed
1217      *       the 16-bit API entry point of a built-in routine (e.g. DCHook16)
1218      *
1219      *       We could perform that test every time the hook is about to
1220      *       be called (or else we could live with the 32->16->32 detour),
1221      *       but this way is the most efficient ...
1222      */
1223
1224     dc->hookProc = hookProc;
1225     dc->dwHookData = dwHookData;
1226
1227     THUNK_Free( (FARPROC)dc->hookThunk );
1228     dc->hookThunk = (DCHOOKPROC)
1229                     THUNK_Alloc( hookProc, (RELAY)GDI_CallTo16_word_wwll );
1230
1231     GDI_ReleaseObj( hdc );
1232     return TRUE;
1233 }
1234
1235
1236 /***********************************************************************
1237  *           GetDCHook   (GDI.191)
1238  */
1239 DWORD WINAPI GetDCHook( HDC16 hdc, FARPROC16 *phookProc )
1240 {
1241     DC *dc = DC_GetDCPtr( hdc );
1242     if (!dc) return 0;
1243     *phookProc = dc->hookProc;
1244     GDI_ReleaseObj( hdc );
1245     return dc->dwHookData;
1246 }
1247
1248
1249 /***********************************************************************
1250  *           SetHookFlags       (GDI.192)
1251  */
1252 WORD WINAPI SetHookFlags16(HDC16 hDC, WORD flags)
1253 {
1254     DC *dc = DC_GetDCPtr( hDC );
1255
1256     if( dc )
1257     {
1258         WORD wRet = dc->flags & DC_DIRTY;
1259
1260         /* "Undocumented Windows" info is slightly confusing.
1261          */
1262
1263         TRACE("hDC %04x, flags %04x\n",hDC,flags);
1264
1265         if( flags & DCHF_INVALIDATEVISRGN )
1266             dc->flags |= DC_DIRTY;
1267         else if( flags & DCHF_VALIDATEVISRGN || !flags )
1268             dc->flags &= ~DC_DIRTY;
1269         GDI_ReleaseObj( hDC );
1270         return wRet;
1271     }
1272     return 0;
1273 }
1274
1275 /***********************************************************************
1276  *           SetICMMode    (GDI32.@)
1277  */
1278 INT WINAPI SetICMMode(HDC hdc, INT iEnableICM)
1279 {
1280 /*FIXME  Asuming that ICM is always off, and cannot be turned on */
1281     if (iEnableICM == ICM_OFF) return ICM_OFF;
1282     if (iEnableICM == ICM_ON) return 0;
1283     if (iEnableICM == ICM_QUERY) return ICM_OFF;
1284     return 0;
1285 }
1286
1287 /***********************************************************************
1288  *           GetDeviceGammaRamp    (GDI32.@)
1289  */
1290 BOOL WINAPI GetDeviceGammaRamp(HDC hDC, LPVOID ptr)
1291 {
1292     BOOL ret = FALSE;
1293     DC *dc = DC_GetDCPtr( hDC );
1294
1295     if( dc )
1296     {
1297         if (dc->funcs->pGetDeviceGammaRamp)
1298             ret = dc->funcs->pGetDeviceGammaRamp(dc, ptr);
1299         GDI_ReleaseObj( hDC );
1300     }
1301     return ret;
1302 }
1303
1304 /***********************************************************************
1305  *           SetDeviceGammaRamp    (GDI32.@)
1306  */
1307 BOOL WINAPI SetDeviceGammaRamp(HDC hDC, LPVOID ptr)
1308 {
1309     BOOL ret = FALSE;
1310     DC *dc = DC_GetDCPtr( hDC );
1311
1312     if( dc )
1313     {
1314         if (dc->funcs->pSetDeviceGammaRamp)
1315             ret = dc->funcs->pSetDeviceGammaRamp(dc, ptr);
1316         GDI_ReleaseObj( hDC );
1317     }
1318     return ret;
1319 }
1320
1321 /***********************************************************************
1322  *           GetColorSpace    (GDI32.@)
1323  */
1324 HCOLORSPACE WINAPI GetColorSpace(HDC hdc)
1325 {
1326 /*FIXME    Need to to whatever GetColorSpace actually does */
1327     return 0;
1328 }
1329
1330 /***********************************************************************
1331  *           CreateColorSpaceA    (GDI32.@)
1332  */
1333 HCOLORSPACE WINAPI CreateColorSpaceA( LPLOGCOLORSPACEA lpLogColorSpace )
1334 {
1335   FIXME( "stub\n" );
1336   return 0;
1337 }
1338
1339 /***********************************************************************
1340  *           CreateColorSpaceW    (GDI32.@)
1341  */
1342 HCOLORSPACE WINAPI CreateColorSpaceW( LPLOGCOLORSPACEW lpLogColorSpace )
1343 {
1344   FIXME( "stub\n" );
1345   return 0;
1346 }
1347
1348 /***********************************************************************
1349  *           DeleteColorSpace     (GDI32.@)
1350  */
1351 BOOL WINAPI DeleteColorSpace( HCOLORSPACE hColorSpace )
1352 {
1353   FIXME( "stub\n" );
1354
1355   return TRUE;
1356 }
1357
1358 /***********************************************************************
1359  *           SetColorSpace     (GDI32.@)
1360  */
1361 HCOLORSPACE WINAPI SetColorSpace( HDC hDC, HCOLORSPACE hColorSpace )
1362 {
1363   FIXME( "stub\n" );
1364
1365   return hColorSpace;
1366 }
1367
1368 /***********************************************************************
1369  *           GetBoundsRect    (GDI.194)
1370  */
1371 UINT16 WINAPI GetBoundsRect16(HDC16 hdc, LPRECT16 rect, UINT16 flags)
1372 {
1373     return DCB_RESET | DCB_DISABLE; /* bounding rectangle always empty and disabled*/
1374 }
1375
1376 /***********************************************************************
1377  *           GetBoundsRect    (GDI32.@)
1378  */
1379 UINT WINAPI GetBoundsRect(HDC hdc, LPRECT rect, UINT flags)
1380 {
1381     FIXME("(): stub\n");
1382     return DCB_RESET;   /* bounding rectangle always empty */
1383 }
1384
1385 /***********************************************************************
1386  *           SetBoundsRect    (GDI.193)
1387  */
1388 UINT16 WINAPI SetBoundsRect16(HDC16 hdc, const RECT16* rect, UINT16 flags)
1389 {
1390     if ( (flags & DCB_ACCUMULATE) || (flags & DCB_ENABLE) )
1391         FIXME("(%04x, %p, %04x): stub\n", hdc, rect, flags );
1392
1393     return DCB_RESET | DCB_DISABLE; /* bounding rectangle always empty and disabled*/
1394 }
1395
1396 /***********************************************************************
1397  *           SetBoundsRect    (GDI32.@)
1398  */
1399 UINT WINAPI SetBoundsRect(HDC hdc, const RECT* rect, UINT flags)
1400 {
1401     FIXME("(): stub\n");
1402     return DCB_DISABLE;   /* bounding rectangle always empty */
1403 }
1404
1405
1406 /***********************************************************************
1407  *              GetRelAbs               (GDI32.@)
1408  */
1409 INT WINAPI GetRelAbs( HDC hdc, DWORD dwIgnore )
1410 {
1411     INT ret = 0;
1412     DC *dc = DC_GetDCPtr( hdc );
1413     if (dc) ret = dc->relAbsMode;
1414     GDI_ReleaseObj( hdc );
1415     return ret;
1416 }
1417
1418 /***********************************************************************
1419  *           Death    (GDI.121)
1420  *
1421  * Disables GDI, switches back to text mode.
1422  * We don't have to do anything here,
1423  * just let console support handle everything
1424  */
1425 void WINAPI Death16(HDC16 hDC)
1426 {
1427     MESSAGE("Death(%04x) called. Application enters text mode...\n", hDC);
1428 }
1429
1430 /***********************************************************************
1431  *           Resurrection    (GDI.122)
1432  *
1433  * Restores GDI functionality
1434  */
1435 void WINAPI Resurrection16(HDC16 hDC,
1436                            WORD w1, WORD w2, WORD w3, WORD w4, WORD w5, WORD w6)
1437 {
1438     MESSAGE("Resurrection(%04x, %04x, %04x, %04x, %04x, %04x, %04x) called. Application left text mode.\n", hDC, w1, w2, w3, w4, w5, w6);
1439 }
1440
1441 /***********************************************************************
1442  *           GetLayout    (GDI32.@)
1443  *
1444  * Gets left->right or right->left text layout flags of a dc.
1445  * win98 just returns 0 and sets ERROR_CALL_NOT_IMPLEMENTED so we do the same
1446  *
1447  */
1448 DWORD WINAPI GetLayout(HDC hdc)
1449 {
1450     FIXME("(%08x): stub\n", hdc);
1451     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1452     return 0;
1453 }
1454
1455 /***********************************************************************
1456  *           SetLayout    (GDI32.@)
1457  *
1458  * Sets left->right or right->left text layout flags of a dc.
1459  * win98 just returns 0 and sets ERROR_CALL_NOT_IMPLEMENTED so we do the same
1460  *
1461  */
1462 DWORD WINAPI SetLayout(HDC hdc, DWORD layout)
1463 {
1464     FIXME("(%08x,%08lx): stub\n", hdc, layout);
1465     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1466     return 0;
1467 }