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 "dc.h"
  13 #include "gdi.h"
  14 #include "heap.h"
  15 #include "debugtools.h"
  16 #include "font.h"
  17 #include "callback.h"
  18 #include "winerror.h"
  19 #include "windef.h"
  20 #include "wingdi.h"
  21 #include "wine/winuser16.h"
  22
  23 DEFAULT_DEBUG_CHANNEL(dc);
  24
  25 /***********************************************************************
  26  *           DC_Init_DC_INFO
  27  *
  28  * Fill the WIN_DC_INFO structure.
  29  */
  30 static void DC_Init_DC_INFO( WIN_DC_INFO *win_dc_info )
  31 {
  32     win_dc_info->flags               = 0;
  33     win_dc_info->devCaps             = NULL;
  34     win_dc_info->hClipRgn            = 0;
  35     win_dc_info->hVisRgn             = 0;
  36     win_dc_info->hGCClipRgn          = 0;
  37     win_dc_info->hPen                = STOCK_BLACK_PEN;
  38     win_dc_info->hBrush              = STOCK_WHITE_BRUSH;
  39     win_dc_info->hFont               = STOCK_SYSTEM_FONT;
  40     win_dc_info->hBitmap             = 0;
  41     win_dc_info->hDevice             = 0;
  42     win_dc_info->hPalette            = STOCK_DEFAULT_PALETTE;
  43     win_dc_info->ROPmode             = R2_COPYPEN;
  44     win_dc_info->polyFillMode        = ALTERNATE;
  45     win_dc_info->stretchBltMode      = BLACKONWHITE;
  46     win_dc_info->relAbsMode          = ABSOLUTE;
  47     win_dc_info->backgroundMode      = OPAQUE;
  48     win_dc_info->backgroundColor     = RGB( 255, 255, 255 );
  49     win_dc_info->textColor           = RGB( 0, 0, 0 );
  50     win_dc_info->brushOrgX           = 0;
  51     win_dc_info->brushOrgY           = 0;
  52     win_dc_info->textAlign           = TA_LEFT | TA_TOP | TA_NOUPDATECP;
  53     win_dc_info->charExtra           = 0;
  54     win_dc_info->breakTotalExtra     = 0;
  55     win_dc_info->breakCount          = 0;
  56     win_dc_info->breakExtra          = 0;
  57     win_dc_info->breakRem            = 0;
  58     win_dc_info->bitsPerPixel        = 1;
  59     win_dc_info->MapMode             = MM_TEXT;
  60     win_dc_info->GraphicsMode        = GM_COMPATIBLE;
  61     win_dc_info->DCOrgX              = 0;
  62     win_dc_info->DCOrgY              = 0;
  63     win_dc_info->pAbortProc          = NULL;
  64     win_dc_info->CursPosX            = 0;
  65     win_dc_info->CursPosY            = 0;
  66     win_dc_info->ArcDirection        = AD_COUNTERCLOCKWISE;
  67     win_dc_info->xformWorld2Wnd.eM11 = 1.0f;
  68     win_dc_info->xformWorld2Wnd.eM12 = 0.0f;
  69     win_dc_info->xformWorld2Wnd.eM21 = 0.0f;
  70     win_dc_info->xformWorld2Wnd.eM22 = 1.0f;
  71     win_dc_info->xformWorld2Wnd.eDx  = 0.0f;
  72     win_dc_info->xformWorld2Wnd.eDy  = 0.0f;
  73     win_dc_info->xformWorld2Vport    = win_dc_info->xformWorld2Wnd;
  74     win_dc_info->xformVport2World    = win_dc_info->xformWorld2Wnd;
  75     win_dc_info->vport2WorldValid    = TRUE;
  76
  77     PATH_InitGdiPath(&win_dc_info->path);
  78 }
  79
  80
  81 /***********************************************************************
  82  *           DC_AllocDC
  83  */
  84 DC *DC_AllocDC( const DC_FUNCTIONS *funcs )
  85 {
  86     HDC16 hdc;
  87     DC *dc;
  88
  89     if (!(hdc = GDI_AllocObject( sizeof(DC), DC_MAGIC ))) return NULL;
  90     dc = (DC *) GDI_HEAP_LOCK( hdc );
  91
  92     dc->hSelf      = hdc;
  93     dc->funcs      = funcs;
  94     dc->physDev    = NULL;
  95     dc->saveLevel  = 0;
  96     dc->dwHookData = 0L;
  97     dc->hookProc   = NULL;
  98     dc->hookThunk  = NULL;
  99     dc->wndOrgX    = 0;
 100     dc->wndOrgY    = 0;
 101     dc->wndExtX    = 1;
 102     dc->wndExtY    = 1;
 103     dc->vportOrgX  = 0;
 104     dc->vportOrgY  = 0;
 105     dc->vportExtX  = 1;
 106     dc->vportExtY  = 1;
 107
 108     DC_Init_DC_INFO( &dc->w );
 109
 110     return dc;
 111 }
 112
 113
 114
 115 /***********************************************************************
 116  *           DC_GetDCPtr
 117  */
 118 DC *DC_GetDCPtr( HDC hdc )
 119 {
 120     GDIOBJHDR *ptr = (GDIOBJHDR *)GDI_HEAP_LOCK( hdc );
 121     if (!ptr) return NULL;
 122     if ((ptr->wMagic == DC_MAGIC) || (ptr->wMagic == METAFILE_DC_MAGIC) ||
 123         (ptr->wMagic == ENHMETAFILE_DC_MAGIC))
 124         return (DC *)ptr;
 125     GDI_HEAP_UNLOCK( hdc );
 126     SetLastError( ERROR_INVALID_HANDLE );
 127     return NULL;
 128 }
 129
 130
 131 /***********************************************************************
 132  *           DC_InitDC
 133  *
 134  * Setup device-specific DC values for a newly created DC.
 135  */
 136 void DC_InitDC( DC* dc )
 137 {
 138     RealizeDefaultPalette16( dc->hSelf );
 139     SetTextColor( dc->hSelf, dc->w.textColor );
 140     SetBkColor( dc->hSelf, dc->w.backgroundColor );
 141     SelectObject( dc->hSelf, dc->w.hPen );
 142     SelectObject( dc->hSelf, dc->w.hBrush );
 143     SelectObject( dc->hSelf, dc->w.hFont );
 144     CLIPPING_UpdateGCRegion( dc );
 145 }
 146
 147
 148 /***********************************************************************
 149  *           DC_InvertXform
 150  *
 151  * Computes the inverse of the transformation xformSrc and stores it to
 152  * xformDest. Returns TRUE if successful or FALSE if the xformSrc matrix
 153  * is singular.
 154  */
 155 static BOOL DC_InvertXform( const XFORM *xformSrc, XFORM *xformDest )
 156 {
 157     FLOAT determinant;
 158
 159     determinant = xformSrc->eM11*xformSrc->eM22 -
 160         xformSrc->eM12*xformSrc->eM21;
 161     if (determinant > -1e-12 && determinant < 1e-12)
 162         return FALSE;
 163
 164     xformDest->eM11 =  xformSrc->eM22 / determinant;
 165     xformDest->eM12 = -xformSrc->eM12 / determinant;
 166     xformDest->eM21 = -xformSrc->eM21 / determinant;
 167     xformDest->eM22 =  xformSrc->eM11 / determinant;
 168     xformDest->eDx  = -xformSrc->eDx * xformDest->eM11 -
 169                        xformSrc->eDy * xformDest->eM21;
 170     xformDest->eDy  = -xformSrc->eDx * xformDest->eM12 -
 171                        xformSrc->eDy * xformDest->eM22;
 172
 173     return TRUE;
 174 }
 175
 176
 177 /***********************************************************************
 178  *           DC_UpdateXforms
 179  *
 180  * Updates the xformWorld2Vport, xformVport2World and vport2WorldValid
 181  * fields of the specified DC by creating a transformation that
 182  * represents the current mapping mode and combining it with the DC's
 183  * world transform. This function should be called whenever the
 184  * parameters associated with the mapping mode (window and viewport
 185  * extents and origins) or the world transform change.
 186  */
 187 void DC_UpdateXforms( DC *dc )
 188 {
 189     XFORM xformWnd2Vport;
 190     FLOAT scaleX, scaleY;
 191
 192     /* Construct a transformation to do the window-to-viewport conversion */
 193     scaleX = (FLOAT)dc->vportExtX / (FLOAT)dc->wndExtX;
 194     scaleY = (FLOAT)dc->vportExtY / (FLOAT)dc->wndExtY;
 195     xformWnd2Vport.eM11 = scaleX;
 196     xformWnd2Vport.eM12 = 0.0;
 197     xformWnd2Vport.eM21 = 0.0;
 198     xformWnd2Vport.eM22 = scaleY;
 199     xformWnd2Vport.eDx  = (FLOAT)dc->vportOrgX -
 200         scaleX * (FLOAT)dc->wndOrgX;
 201     xformWnd2Vport.eDy  = (FLOAT)dc->vportOrgY -
 202         scaleY * (FLOAT)dc->wndOrgY;
 203
 204     /* Combine with the world transformation */
 205     CombineTransform( &dc->w.xformWorld2Vport, &dc->w.xformWorld2Wnd,
 206         &xformWnd2Vport );
 207
 208     /* Create inverse of world-to-viewport transformation */
 209     dc->w.vport2WorldValid = DC_InvertXform( &dc->w.xformWorld2Vport,
 210         &dc->w.xformVport2World );
 211 }
 212
 213
 214 /***********************************************************************
 215  *           GetDCState    (GDI.179)
 216  */
 217 HDC16 WINAPI GetDCState16( HDC16 hdc )
 218 {
 219     DC * newdc, * dc;
 220     HGDIOBJ16 handle;
 221
 222     if (!(dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ))) return 0;
 223     if (!(handle = GDI_AllocObject( sizeof(DC), DC_MAGIC )))
 224     {
 225       GDI_HEAP_UNLOCK( hdc );
 226       return 0;
 227     }
 228     newdc = (DC *) GDI_HEAP_LOCK( handle );
 229
 230     TRACE("(%04x): returning %04x\n", hdc, handle );
 231
 232     newdc->w.flags            = dc->w.flags | DC_SAVED;
 233     newdc->w.devCaps          = dc->w.devCaps;
 234     newdc->w.hPen             = dc->w.hPen;
 235     newdc->w.hBrush           = dc->w.hBrush;
 236     newdc->w.hFont            = dc->w.hFont;
 237     newdc->w.hBitmap          = dc->w.hBitmap;
 238     newdc->w.hDevice          = dc->w.hDevice;
 239     newdc->w.hPalette         = dc->w.hPalette;
 240     newdc->w.totalExtent      = dc->w.totalExtent;
 241     newdc->w.bitsPerPixel     = dc->w.bitsPerPixel;
 242     newdc->w.ROPmode          = dc->w.ROPmode;
 243     newdc->w.polyFillMode     = dc->w.polyFillMode;
 244     newdc->w.stretchBltMode   = dc->w.stretchBltMode;
 245     newdc->w.relAbsMode       = dc->w.relAbsMode;
 246     newdc->w.backgroundMode   = dc->w.backgroundMode;
 247     newdc->w.backgroundColor  = dc->w.backgroundColor;
 248     newdc->w.textColor        = dc->w.textColor;
 249     newdc->w.brushOrgX        = dc->w.brushOrgX;
 250     newdc->w.brushOrgY        = dc->w.brushOrgY;
 251     newdc->w.textAlign        = dc->w.textAlign;
 252     newdc->w.charExtra        = dc->w.charExtra;
 253     newdc->w.breakTotalExtra  = dc->w.breakTotalExtra;
 254     newdc->w.breakCount       = dc->w.breakCount;
 255     newdc->w.breakExtra       = dc->w.breakExtra;
 256     newdc->w.breakRem         = dc->w.breakRem;
 257     newdc->w.MapMode          = dc->w.MapMode;
 258     newdc->w.GraphicsMode     = dc->w.GraphicsMode;
 259 #if 0
 260     /* Apparently, the DC origin is not changed by [GS]etDCState */
 261     newdc->w.DCOrgX           = dc->w.DCOrgX;
 262     newdc->w.DCOrgY           = dc->w.DCOrgY;
 263 #endif
 264     newdc->w.CursPosX         = dc->w.CursPosX;
 265     newdc->w.CursPosY         = dc->w.CursPosY;
 266     newdc->w.ArcDirection     = dc->w.ArcDirection;
 267     newdc->w.xformWorld2Wnd   = dc->w.xformWorld2Wnd;
 268     newdc->w.xformWorld2Vport = dc->w.xformWorld2Vport;
 269     newdc->w.xformVport2World = dc->w.xformVport2World;
 270     newdc->w.vport2WorldValid = dc->w.vport2WorldValid;
 271     newdc->wndOrgX            = dc->wndOrgX;
 272     newdc->wndOrgY            = dc->wndOrgY;
 273     newdc->wndExtX            = dc->wndExtX;
 274     newdc->wndExtY            = dc->wndExtY;
 275     newdc->vportOrgX          = dc->vportOrgX;
 276     newdc->vportOrgY          = dc->vportOrgY;
 277     newdc->vportExtX          = dc->vportExtX;
 278     newdc->vportExtY          = dc->vportExtY;
 279
 280     newdc->hSelf = (HDC)handle;
 281     newdc->saveLevel = 0;
 282
 283     PATH_InitGdiPath( &newdc->w.path );
 284
 285     newdc->w.pAbortProc = NULL;
 286
 287     /* Get/SetDCState() don't change hVisRgn field ("Undoc. Windows" p.559). */
 288
 289     newdc->w.hGCClipRgn = newdc->w.hVisRgn = 0;
 290     if (dc->w.hClipRgn)
 291     {
 292         newdc->w.hClipRgn = CreateRectRgn( 0, 0, 0, 0 );
 293         CombineRgn( newdc->w.hClipRgn, dc->w.hClipRgn, 0, RGN_COPY );
 294     }
 295     else
 296         newdc->w.hClipRgn = 0;
 297     GDI_HEAP_UNLOCK( handle );
 298     GDI_HEAP_UNLOCK( hdc );
 299     return handle;
 300 }
 301
 302
 303 /***********************************************************************
 304  *           SetDCState    (GDI.180)
 305  */
 306 void WINAPI SetDCState16( HDC16 hdc, HDC16 hdcs )
 307 {
 308     DC *dc, *dcs;
 309
 310     if (!(dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ))) return;
 311     if (!(dcs = (DC *) GDI_GetObjPtr( hdcs, DC_MAGIC )))
 312     {
 313       GDI_HEAP_UNLOCK( hdc );
 314       return;
 315     }
 316     if (!dcs->w.flags & DC_SAVED)
 317     {
 318       GDI_HEAP_UNLOCK( hdc );
 319       GDI_HEAP_UNLOCK( hdcs );
 320       return;
 321     }
 322     TRACE("%04x %04x\n", hdc, hdcs );
 323
 324     dc->w.flags            = dcs->w.flags & ~DC_SAVED;
 325     dc->w.devCaps          = dcs->w.devCaps;
 326     dc->w.hDevice          = dcs->w.hDevice;
 327     dc->w.totalExtent      = dcs->w.totalExtent;
 328     dc->w.ROPmode          = dcs->w.ROPmode;
 329     dc->w.polyFillMode     = dcs->w.polyFillMode;
 330     dc->w.stretchBltMode   = dcs->w.stretchBltMode;
 331     dc->w.relAbsMode       = dcs->w.relAbsMode;
 332     dc->w.backgroundMode   = dcs->w.backgroundMode;
 333     dc->w.backgroundColor  = dcs->w.backgroundColor;
 334     dc->w.textColor        = dcs->w.textColor;
 335     dc->w.brushOrgX        = dcs->w.brushOrgX;
 336     dc->w.brushOrgY        = dcs->w.brushOrgY;
 337     dc->w.textAlign        = dcs->w.textAlign;
 338     dc->w.charExtra        = dcs->w.charExtra;
 339     dc->w.breakTotalExtra  = dcs->w.breakTotalExtra;
 340     dc->w.breakCount       = dcs->w.breakCount;
 341     dc->w.breakExtra       = dcs->w.breakExtra;
 342     dc->w.breakRem         = dcs->w.breakRem;
 343     dc->w.MapMode          = dcs->w.MapMode;
 344     dc->w.GraphicsMode     = dcs->w.GraphicsMode;
 345 #if 0
 346     /* Apparently, the DC origin is not changed by [GS]etDCState */
 347     dc->w.DCOrgX           = dcs->w.DCOrgX;
 348     dc->w.DCOrgY           = dcs->w.DCOrgY;
 349 #endif
 350     dc->w.CursPosX         = dcs->w.CursPosX;
 351     dc->w.CursPosY         = dcs->w.CursPosY;
 352     dc->w.ArcDirection     = dcs->w.ArcDirection;
 353     dc->w.xformWorld2Wnd   = dcs->w.xformWorld2Wnd;
 354     dc->w.xformWorld2Vport = dcs->w.xformWorld2Vport;
 355     dc->w.xformVport2World = dcs->w.xformVport2World;
 356     dc->w.vport2WorldValid = dcs->w.vport2WorldValid;
 357
 358     dc->wndOrgX            = dcs->wndOrgX;
 359     dc->wndOrgY            = dcs->wndOrgY;
 360     dc->wndExtX            = dcs->wndExtX;
 361     dc->wndExtY            = dcs->wndExtY;
 362     dc->vportOrgX          = dcs->vportOrgX;
 363     dc->vportOrgY          = dcs->vportOrgY;
 364     dc->vportExtX          = dcs->vportExtX;
 365     dc->vportExtY          = dcs->vportExtY;
 366
 367     if (!(dc->w.flags & DC_MEMORY)) dc->w.bitsPerPixel = dcs->w.bitsPerPixel;
 368
 369     if (dcs->w.hClipRgn)
 370     {
 371         if (!dc->w.hClipRgn) dc->w.hClipRgn = CreateRectRgn( 0, 0, 0, 0 );
 372         CombineRgn( dc->w.hClipRgn, dcs->w.hClipRgn, 0, RGN_COPY );
 373     }
 374     else
 375     {
 376         if (dc->w.hClipRgn) DeleteObject16( dc->w.hClipRgn );
 377         dc->w.hClipRgn = 0;
 378     }
 379     CLIPPING_UpdateGCRegion( dc );
 380
 381     SelectObject( hdc, dcs->w.hBitmap );
 382     SelectObject( hdc, dcs->w.hBrush );
 383     SelectObject( hdc, dcs->w.hFont );
 384     SelectObject( hdc, dcs->w.hPen );
 385     SetBkColor( hdc, dcs->w.backgroundColor);
 386     SetTextColor( hdc, dcs->w.textColor);
 387     GDISelectPalette16( hdc, dcs->w.hPalette, FALSE );
 388     GDI_HEAP_UNLOCK( hdc );
 389     GDI_HEAP_UNLOCK( hdcs );
 390 }
 391
 392
 393 /***********************************************************************
 394  *           SaveDC16    (GDI.30)
 395  */
 396 INT16 WINAPI SaveDC16( HDC16 hdc )
 397 {
 398     return (INT16)SaveDC( hdc );
 399 }
 400
 401
 402 /***********************************************************************
 403  *           SaveDC    (GDI32.292)
 404  */
 405 INT WINAPI SaveDC( HDC hdc )
 406 {
 407     HDC hdcs;
 408     DC * dc, * dcs;
 409     INT ret;
 410
 411     dc = DC_GetDCPtr( hdc );
 412     if (!dc) return 0;
 413
 414     if(dc->funcs->pSaveDC)
 415         return dc->funcs->pSaveDC( dc );
 416
 417     if (!(hdcs = GetDCState16( hdc )))
 418     {
 419       GDI_HEAP_UNLOCK( hdc );
 420       return 0;
 421     }
 422     dcs = (DC *) GDI_HEAP_LOCK( hdcs );
 423
 424     /* Copy path. The reason why path saving / restoring is in SaveDC/
 425      * RestoreDC and not in GetDCState/SetDCState is that the ...DCState
 426      * functions are only in Win16 (which doesn't have paths) and that
 427      * SetDCState doesn't allow us to signal an error (which can happen
 428      * when copying paths).
 429      */
 430     if (!PATH_AssignGdiPath( &dcs->w.path, &dc->w.path ))
 431     {
 432         GDI_HEAP_UNLOCK( hdc );
 433         GDI_HEAP_UNLOCK( hdcs );
 434         DeleteDC( hdcs );
 435         return 0;
 436     }
 437
 438     dcs->header.hNext = dc->header.hNext;
 439     dc->header.hNext = hdcs;
 440     TRACE("(%04x): returning %d\n", hdc, dc->saveLevel+1 );
 441     ret = ++dc->saveLevel;
 442     GDI_HEAP_UNLOCK( hdcs );
 443     GDI_HEAP_UNLOCK( hdc );
 444     return ret;
 445 }
 446
 447
 448 /***********************************************************************
 449  *           RestoreDC16    (GDI.39)
 450  */
 451 BOOL16 WINAPI RestoreDC16( HDC16 hdc, INT16 level )
 452 {
 453     return RestoreDC( hdc, level );
 454 }
 455
 456
 457 /***********************************************************************
 458  *           RestoreDC    (GDI32.290)
 459  */
 460 BOOL WINAPI RestoreDC( HDC hdc, INT level )
 461 {
 462     DC * dc, * dcs;
 463     BOOL success;
 464
 465     TRACE("%04x %d\n", hdc, level );
 466     dc = DC_GetDCPtr( hdc );
 467     if(!dc) return FALSE;
 468     if(dc->funcs->pRestoreDC)
 469         return dc->funcs->pRestoreDC( dc, level );
 470
 471     if (level == -1) level = dc->saveLevel;
 472     if ((level < 1) || (level > dc->saveLevel))
 473     {
 474       GDI_HEAP_UNLOCK( hdc );
 475       return FALSE;
 476     }
 477
 478     success=TRUE;
 479     while (dc->saveLevel >= level)
 480     {
 481         HDC16 hdcs = dc->header.hNext;
 482         if (!(dcs = (DC *) GDI_GetObjPtr( hdcs, DC_MAGIC )))
 483         {
 484           GDI_HEAP_UNLOCK( hdc );
 485           return FALSE;
 486         }
 487         dc->header.hNext = dcs->header.hNext;
 488         if (--dc->saveLevel < level)
 489         {
 490             SetDCState16( hdc, hdcs );
 491             if (!PATH_AssignGdiPath( &dc->w.path, &dcs->w.path ))
 492                 /* FIXME: This might not be quite right, since we're
 493                  * returning FALSE but still destroying the saved DC state */
 494                 success=FALSE;
 495         }
 496         DeleteDC( hdcs );
 497     }
 498     GDI_HEAP_UNLOCK( hdc );
 499     return success;
 500 }
 501
 502
 503 /***********************************************************************
 504  *           CreateDC16    (GDI.53)
 505  */
 506 HDC16 WINAPI CreateDC16( LPCSTR driver, LPCSTR device, LPCSTR output,
 507                          const DEVMODEA *initData )
 508 {
 509     DC * dc;
 510     const DC_FUNCTIONS *funcs;
 511     char buf[300];
 512
 513     if (device) {
 514         if(!DRIVER_GetDriverName( device, buf, sizeof(buf) )) return 0;
 515     } else
 516         strcpy(buf, driver);
 517
 518     if (!(funcs = DRIVER_FindDriver( buf ))) return 0;
 519     if (!(dc = DC_AllocDC( funcs ))) return 0;
 520     dc->w.flags = 0;
 521
 522     TRACE("(driver=%s, device=%s, output=%s): returning %04x\n",
 523                debugstr_a(driver), debugstr_a(device), debugstr_a(output), dc->hSelf );
 524
 525     if (dc->funcs->pCreateDC &&
 526         !dc->funcs->pCreateDC( dc, buf, device, output, initData ))
 527     {
 528         WARN("creation aborted by device\n" );
 529         GDI_HEAP_FREE( dc->hSelf );
 530         return 0;
 531     }
 532
 533     DC_InitDC( dc );
 534     GDI_HEAP_UNLOCK( dc->hSelf );
 535     return dc->hSelf;
 536 }
 537
 538
 539 /***********************************************************************
 540  *           CreateDCA    (GDI32.)
 541  */
 542 HDC WINAPI CreateDCA( LPCSTR driver, LPCSTR device, LPCSTR output,
 543                           const DEVMODEA *initData )
 544 {
 545     return CreateDC16( driver, device, output, (const DEVMODEA *)initData );
 546 }
 547
 548
 549 /***********************************************************************
 550  *           CreateDCW    (GDI32.)
 551  */
 552 HDC WINAPI CreateDCW( LPCWSTR driver, LPCWSTR device, LPCWSTR output,
 553                           const DEVMODEW *initData )
 554 {
 555     LPSTR driverA = HEAP_strdupWtoA( GetProcessHeap(), 0, driver );
 556     LPSTR deviceA = HEAP_strdupWtoA( GetProcessHeap(), 0, device );
 557     LPSTR outputA = HEAP_strdupWtoA( GetProcessHeap(), 0, output );
 558     HDC res = CreateDC16( driverA, deviceA, outputA,
 559                             (const DEVMODEA *)initData /*FIXME*/ );
 560     HeapFree( GetProcessHeap(), 0, driverA );
 561     HeapFree( GetProcessHeap(), 0, deviceA );
 562     HeapFree( GetProcessHeap(), 0, outputA );
 563     return res;
 564 }
 565
 566
 567 /***********************************************************************
 568  *           CreateIC16    (GDI.153)
 569  */
 570 HDC16 WINAPI CreateIC16( LPCSTR driver, LPCSTR device, LPCSTR output,
 571                          const DEVMODEA* initData )
 572 {
 573       /* Nothing special yet for ICs */
 574     return CreateDC16( driver, device, output, initData );
 575 }
 576
 577
 578 /***********************************************************************
 579  *           CreateICA    (GDI32.49)
 580  */
 581 HDC WINAPI CreateICA( LPCSTR driver, LPCSTR device, LPCSTR output,
 582                           const DEVMODEA* initData )
 583 {
 584       /* Nothing special yet for ICs */
 585     return CreateDCA( driver, device, output, initData );
 586 }
 587
 588
 589 /***********************************************************************
 590  *           CreateICW    (GDI32.50)
 591  */
 592 HDC WINAPI CreateICW( LPCWSTR driver, LPCWSTR device, LPCWSTR output,
 593                           const DEVMODEW* initData )
 594 {
 595       /* Nothing special yet for ICs */
 596     return CreateDCW( driver, device, output, initData );
 597 }
 598
 599
 600 /***********************************************************************
 601  *           CreateCompatibleDC16    (GDI.52)
 602  */
 603 HDC16 WINAPI CreateCompatibleDC16( HDC16 hdc )
 604 {
 605     return (HDC16)CreateCompatibleDC( hdc );
 606 }
 607
 608
 609 /***********************************************************************
 610  *           CreateCompatibleDC   (GDI32.31)
 611  */
 612 HDC WINAPI CreateCompatibleDC( HDC hdc )
 613 {
 614     DC *dc, *origDC;
 615     const DC_FUNCTIONS *funcs;
 616
 617     if ((origDC = (DC *)GDI_GetObjPtr( hdc, DC_MAGIC ))) funcs = origDC->funcs;
 618     else funcs = DRIVER_FindDriver( "DISPLAY" );
 619     if (!funcs) return 0;
 620
 621     if (!(dc = DC_AllocDC( funcs ))) return 0;
 622
 623     TRACE("(%04x): returning %04x\n",
 624                hdc, dc->hSelf );
 625
 626     dc->w.flags        = DC_MEMORY;
 627     dc->w.bitsPerPixel = 1;
 628     dc->w.hBitmap      = hPseudoStockBitmap;
 629
 630     /* Copy the driver-specific physical device info into
 631      * the new DC. The driver may use this read-only info
 632      * while creating the compatible DC below. */
 633     if (origDC)
 634         dc->physDev = origDC->physDev;
 635
 636     if (dc->funcs->pCreateDC &&
 637         !dc->funcs->pCreateDC( dc, NULL, NULL, NULL, NULL ))
 638     {
 639         WARN("creation aborted by device\n");
 640         GDI_HEAP_FREE( dc->hSelf );
 641         return 0;
 642     }
 643
 644     DC_InitDC( dc );
 645     GDI_HEAP_UNLOCK( dc->hSelf );
 646     return dc->hSelf;
 647 }
 648
 649
 650 /***********************************************************************
 651  *           DeleteDC16    (GDI.68)
 652  */
 653 BOOL16 WINAPI DeleteDC16( HDC16 hdc )
 654 {
 655     return DeleteDC( hdc );
 656 }
 657
 658
 659 /***********************************************************************
 660  *           DeleteDC    (GDI32.67)
 661  */
 662 BOOL WINAPI DeleteDC( HDC hdc )
 663 {
 664     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 665     if (!dc) return FALSE;
 666
 667     TRACE("%04x\n", hdc );
 668
 669     /* Call hook procedure to check whether is it OK to delete this DC */
 670     if (    dc->hookThunk && !(dc->w.flags & (DC_SAVED | DC_MEMORY))
 671          && dc->hookThunk( hdc, DCHC_DELETEDC, dc->dwHookData, 0 ) == FALSE )
 672     {
 673         GDI_HEAP_UNLOCK( hdc );
 674         return FALSE;
 675     }
 676
 677     while (dc->saveLevel)
 678     {
 679         DC * dcs;
 680         HDC16 hdcs = dc->header.hNext;
 681         if (!(dcs = (DC *) GDI_GetObjPtr( hdcs, DC_MAGIC ))) break;
 682         dc->header.hNext = dcs->header.hNext;
 683         dc->saveLevel--;
 684         DeleteDC( hdcs );
 685     }
 686
 687     if (!(dc->w.flags & DC_SAVED))
 688     {
 689         SelectObject( hdc, STOCK_BLACK_PEN );
 690         SelectObject( hdc, STOCK_WHITE_BRUSH );
 691         SelectObject( hdc, STOCK_SYSTEM_FONT );
 692         if (dc->funcs->pDeleteDC) dc->funcs->pDeleteDC(dc);
 693     }
 694
 695     if (dc->w.hClipRgn) DeleteObject( dc->w.hClipRgn );
 696     if (dc->w.hVisRgn) DeleteObject( dc->w.hVisRgn );
 697     if (dc->w.hGCClipRgn) DeleteObject( dc->w.hGCClipRgn );
 698     if (dc->w.pAbortProc) THUNK_Free( (FARPROC)dc->w.pAbortProc );
 699     if (dc->hookThunk) THUNK_Free( (FARPROC)dc->hookThunk );
 700     PATH_DestroyGdiPath(&dc->w.path);
 701
 702     return GDI_FreeObject( hdc );
 703 }
 704
 705
 706 /***********************************************************************
 707  *           ResetDC16    (GDI.376)
 708  */
 709 HDC16 WINAPI ResetDC16( HDC16 hdc, const DEVMODEA *devmode )
 710 {
 711     FIXME("stub\n" );
 712     return hdc;
 713 }
 714
 715
 716 /***********************************************************************
 717  *           ResetDCA    (GDI32.287)
 718  */
 719 HDC WINAPI ResetDCA( HDC hdc, const DEVMODEA *devmode )
 720 {
 721     FIXME("stub\n" );
 722     return hdc;
 723 }
 724
 725
 726 /***********************************************************************
 727  *           ResetDCW    (GDI32.288)
 728  */
 729 HDC WINAPI ResetDCW( HDC hdc, const DEVMODEW *devmode )
 730 {
 731     FIXME("stub\n" );
 732     return hdc;
 733 }
 734
 735
 736 /***********************************************************************
 737  *           GetDeviceCaps16    (GDI.80)
 738  */
 739 INT16 WINAPI GetDeviceCaps16( HDC16 hdc, INT16 cap )
 740 {
 741     return GetDeviceCaps( hdc, cap );
 742 }
 743
 744
 745 /***********************************************************************
 746  *           GetDeviceCaps    (GDI32.171)
 747  */
 748 INT WINAPI GetDeviceCaps( HDC hdc, INT cap )
 749 {
 750     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 751     INT ret;
 752     POINT pt;
 753
 754     if (!dc) return 0;
 755
 756     /* Device capabilities for the printer */
 757     switch (cap)
 758     {
 759     case PHYSICALWIDTH:
 760         if(Escape(hdc, GETPHYSPAGESIZE, 0, NULL, (LPVOID)&pt) > 0)
 761             return pt.x;
 762     case PHYSICALHEIGHT:
 763         if(Escape(hdc, GETPHYSPAGESIZE, 0, NULL, (LPVOID)&pt) > 0)
 764             return pt.y;
 765     case PHYSICALOFFSETX:
 766         if(Escape(hdc, GETPRINTINGOFFSET, 0, NULL, (LPVOID)&pt) > 0)
 767             return pt.x;
 768     case PHYSICALOFFSETY:
 769         if(Escape(hdc, GETPRINTINGOFFSET, 0, NULL, (LPVOID)&pt) > 0)
 770             return pt.y;
 771     case SCALINGFACTORX:
 772         if(Escape(hdc, GETSCALINGFACTOR, 0, NULL, (LPVOID)&pt) > 0)
 773             return pt.x;
 774     case SCALINGFACTORY:
 775         if(Escape(hdc, GETSCALINGFACTOR, 0, NULL, (LPVOID)&pt) > 0)
 776             return pt.y;
 777     }
 778
 779     if ((cap < 0) || (cap > sizeof(DeviceCaps)-sizeof(WORD)))
 780     {
 781       GDI_HEAP_UNLOCK( hdc );
 782       return 0;
 783     }
 784
 785     if (((cap>=46) && (cap<88)) || ((cap>=92) && (cap<104)))
 786         FIXME("(%04x,%d): unsupported DeviceCaps capability, will yield 0!\n",
 787                 hdc,cap
 788         );
 789     TRACE("(%04x,%d): returning %d\n",
 790             hdc, cap, *(WORD *)(((char *)dc->w.devCaps) + cap) );
 791     ret = *(WORD *)(((char *)dc->w.devCaps) + cap);
 792     GDI_HEAP_UNLOCK( hdc );
 793     return ret;
 794 }
 795
 796
 797 /***********************************************************************
 798  *           SetBkColor16    (GDI.1)
 799  */
 800 COLORREF WINAPI SetBkColor16( HDC16 hdc, COLORREF color )
 801 {
 802     return SetBkColor( hdc, color );
 803 }
 804
 805
 806 /***********************************************************************
 807  *           SetBkColor    (GDI32.305)
 808  */
 809 COLORREF WINAPI SetBkColor( HDC hdc, COLORREF color )
 810 {
 811     COLORREF oldColor;
 812     DC * dc = DC_GetDCPtr( hdc );
 813
 814     if (!dc) return 0x80000000;
 815     if (dc->funcs->pSetBkColor)
 816         oldColor = dc->funcs->pSetBkColor(dc, color);
 817     else {
 818         oldColor = dc->w.backgroundColor;
 819         dc->w.backgroundColor = color;
 820     }
 821     GDI_HEAP_UNLOCK( hdc );
 822     return oldColor;
 823 }
 824
 825
 826 /***********************************************************************
 827  *           SetTextColor16    (GDI.9)
 828  */
 829 COLORREF WINAPI SetTextColor16( HDC16 hdc, COLORREF color )
 830 {
 831     return SetTextColor( hdc, color );
 832 }
 833
 834
 835 /***********************************************************************
 836  *           SetTextColor    (GDI32.338)
 837  */
 838 COLORREF WINAPI SetTextColor( HDC hdc, COLORREF color )
 839 {
 840     COLORREF oldColor;
 841     DC * dc = DC_GetDCPtr( hdc );
 842
 843     if (!dc) return 0x80000000;
 844     if (dc->funcs->pSetTextColor)
 845         oldColor = dc->funcs->pSetTextColor(dc, color);
 846     else {
 847         oldColor = dc->w.textColor;
 848         dc->w.textColor = color;
 849     }
 850     GDI_HEAP_UNLOCK( hdc );
 851     return oldColor;
 852 }
 853
 854 /***********************************************************************
 855  *           SetTextAlign16    (GDI.346)
 856  */
 857 UINT16 WINAPI SetTextAlign16( HDC16 hdc, UINT16 align )
 858 {
 859     return SetTextAlign( hdc, align );
 860 }
 861
 862
 863 /***********************************************************************
 864  *           SetTextAlign    (GDI32.336)
 865  */
 866 UINT WINAPI SetTextAlign( HDC hdc, UINT align )
 867 {
 868     UINT prevAlign;
 869     DC *dc = DC_GetDCPtr( hdc );
 870     if (!dc) return 0x0;
 871     if (dc->funcs->pSetTextAlign)
 872         prevAlign = dc->funcs->pSetTextAlign(dc, align);
 873     else {
 874         prevAlign = dc->w.textAlign;
 875         dc->w.textAlign = align;
 876     }
 877     GDI_HEAP_UNLOCK( hdc );
 878     return prevAlign;
 879 }
 880
 881 /***********************************************************************
 882  *           GetDCOrgEx  (GDI32.168)
 883  */
 884 BOOL WINAPI GetDCOrgEx( HDC hDC, LPPOINT lpp )
 885 {
 886     DC * dc;
 887
 888     if (!lpp) return FALSE;
 889     if (!(dc = (DC *) GDI_GetObjPtr( hDC, DC_MAGIC ))) return FALSE;
 890
 891     lpp->x = lpp->y = 0;
 892     if (dc->funcs->pGetDCOrgEx) dc->funcs->pGetDCOrgEx( dc, lpp );
 893     lpp->x += dc->w.DCOrgX;
 894     lpp->y += dc->w.DCOrgY;
 895     GDI_HEAP_UNLOCK( hDC );
 896     return TRUE;
 897 }
 898
 899
 900 /***********************************************************************
 901  *           GetDCOrg    (GDI.79)
 902  */
 903 DWORD WINAPI GetDCOrg16( HDC16 hdc )
 904 {
 905     POINT       pt;
 906     if( GetDCOrgEx( hdc, &pt) )
 907         return MAKELONG( (WORD)pt.x, (WORD)pt.y );
 908     return 0;
 909 }
 910
 911
 912 /***********************************************************************
 913  *           SetDCOrg    (GDI.117)
 914  */
 915 DWORD WINAPI SetDCOrg16( HDC16 hdc, INT16 x, INT16 y )
 916 {
 917     DWORD prevOrg;
 918     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 919     if (!dc) return 0;
 920     prevOrg = dc->w.DCOrgX | (dc->w.DCOrgY << 16);
 921     dc->w.DCOrgX = x;
 922     dc->w.DCOrgY = y;
 923     GDI_HEAP_UNLOCK( hdc );
 924     return prevOrg;
 925 }
 926
 927
 928 /***********************************************************************
 929  *           GetGraphicsMode    (GDI32.188)
 930  */
 931 INT WINAPI GetGraphicsMode( HDC hdc )
 932 {
 933     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 934     if (!dc) return 0;
 935     return dc->w.GraphicsMode;
 936 }
 937
 938
 939 /***********************************************************************
 940  *           SetGraphicsMode    (GDI32.317)
 941  */
 942 INT WINAPI SetGraphicsMode( HDC hdc, INT mode )
 943 {
 944     INT ret;
 945     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 946
 947     /* One would think that setting the graphics mode to GM_COMPATIBLE
 948      * would also reset the world transformation matrix to the unity
 949      * matrix. However, in Windows, this is not the case. This doesn't
 950      * make a lot of sense to me, but that's the way it is.
 951      */
 952
 953     if (!dc) return 0;
 954     if ((mode <= 0) || (mode > GM_LAST)) return 0;
 955     ret = dc->w.GraphicsMode;
 956     dc->w.GraphicsMode = mode;
 957     return ret;
 958 }
 959
 960
 961 /***********************************************************************
 962  *           GetArcDirection16    (GDI.524)
 963  */
 964 INT16 WINAPI GetArcDirection16( HDC16 hdc )
 965 {
 966     return GetArcDirection( (HDC)hdc );
 967 }
 968
 969
 970 /***********************************************************************
 971  *           GetArcDirection    (GDI32.141)
 972  */
 973 INT WINAPI GetArcDirection( HDC hdc )
 974 {
 975     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 976
 977     if (!dc)
 978         return 0;
 979
 980     return dc->w.ArcDirection;
 981 }
 982
 983
 984 /***********************************************************************
 985  *           SetArcDirection16    (GDI.525)
 986  */
 987 INT16 WINAPI SetArcDirection16( HDC16 hdc, INT16 nDirection )
 988 {
 989     return SetArcDirection( (HDC)hdc, (INT)nDirection );
 990 }
 991
 992
 993 /***********************************************************************
 994  *           SetArcDirection    (GDI32.302)
 995  */
 996 INT WINAPI SetArcDirection( HDC hdc, INT nDirection )
 997 {
 998     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 999     INT nOldDirection;
1000
1001     if (!dc)
1002         return 0;
1003
1004     if (nDirection!=AD_COUNTERCLOCKWISE && nDirection!=AD_CLOCKWISE)
1005     {
1006         SetLastError(ERROR_INVALID_PARAMETER);
1007         return 0;
1008     }
1009
1010     nOldDirection = dc->w.ArcDirection;
1011     dc->w.ArcDirection = nDirection;
1012
1013     return nOldDirection;
1014 }
1015
1016
1017 /***********************************************************************
1018  *           GetWorldTransform    (GDI32.244)
1019  */
1020 BOOL WINAPI GetWorldTransform( HDC hdc, LPXFORM xform )
1021 {
1022     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
1023
1024     if (!dc)
1025         return FALSE;
1026     if (!xform)
1027         return FALSE;
1028
1029     *xform = dc->w.xformWorld2Wnd;
1030
1031     return TRUE;
1032 }
1033
1034
1035 /***********************************************************************
1036  *           SetWorldTransform    (GDI32.346)
1037  */
1038 BOOL WINAPI SetWorldTransform( HDC hdc, const XFORM *xform )
1039 {
1040     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
1041
1042     if (!dc)
1043     {
1044         SetLastError( ERROR_INVALID_HANDLE );
1045         return FALSE;
1046     }
1047
1048     if (!xform)
1049         return FALSE;
1050
1051     /* Check that graphics mode is GM_ADVANCED */
1052     if (dc->w.GraphicsMode!=GM_ADVANCED)
1053        return FALSE;
1054
1055     dc->w.xformWorld2Wnd = *xform;
1056
1057     DC_UpdateXforms( dc );
1058
1059     return TRUE;
1060 }
1061
1062
1063 /****************************************************************************
1064  * ModifyWorldTransform [GDI32.253]
1065  * Modifies the world transformation for a device context.
1066  *
1067  * PARAMS
1068  *    hdc   [I] Handle to device context
1069  *    xform [I] XFORM structure that will be used to modify the world
1070  *              transformation
1071  *    iMode [I] Specifies in what way to modify the world transformation
1072  *              Possible values:
1073  *              MWT_IDENTITY
1074  *                 Resets the world transformation to the identity matrix.
1075  *                 The parameter xform is ignored.
1076  *              MWT_LEFTMULTIPLY
1077  *                 Multiplies xform into the world transformation matrix from
1078  *                 the left.
1079  *              MWT_RIGHTMULTIPLY
1080  *                 Multiplies xform into the world transformation matrix from
1081  *                 the right.
1082  *
1083  * RETURNS STD
1084  */
1085 BOOL WINAPI ModifyWorldTransform( HDC hdc, const XFORM *xform,
1086     DWORD iMode )
1087 {
1088     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
1089
1090     /* Check for illegal parameters */
1091     if (!dc)
1092     {
1093         SetLastError( ERROR_INVALID_HANDLE );
1094         return FALSE;
1095     }
1096     if (!xform)
1097         return FALSE;
1098
1099     /* Check that graphics mode is GM_ADVANCED */
1100     if (dc->w.GraphicsMode!=GM_ADVANCED)
1101        return FALSE;
1102
1103     switch (iMode)
1104     {
1105         case MWT_IDENTITY:
1106             dc->w.xformWorld2Wnd.eM11 = 1.0f;
1107             dc->w.xformWorld2Wnd.eM12 = 0.0f;
1108             dc->w.xformWorld2Wnd.eM21 = 0.0f;
1109             dc->w.xformWorld2Wnd.eM22 = 1.0f;
1110             dc->w.xformWorld2Wnd.eDx  = 0.0f;
1111             dc->w.xformWorld2Wnd.eDy  = 0.0f;
1112             break;
1113         case MWT_LEFTMULTIPLY:
1114             CombineTransform( &dc->w.xformWorld2Wnd, xform,
1115                 &dc->w.xformWorld2Wnd );
1116             break;
1117         case MWT_RIGHTMULTIPLY:
1118             CombineTransform( &dc->w.xformWorld2Wnd, &dc->w.xformWorld2Wnd,
1119                 xform );
1120             break;
1121         default:
1122             return FALSE;
1123     }
1124
1125     DC_UpdateXforms( dc );
1126
1127     return TRUE;
1128 }
1129
1130
1131 /****************************************************************************
1132  * CombineTransform [GDI32.20]
1133  * Combines two transformation matrices.
1134  *
1135  * PARAMS
1136  *    xformResult [O] Stores the result of combining the two matrices
1137  *    xform1      [I] Specifies the first matrix to apply
1138  *    xform2      [I] Specifies the second matrix to apply
1139  *
1140  * REMARKS
1141  *    The same matrix can be passed in for more than one of the parameters.
1142  *
1143  * RETURNS STD
1144  */
1145 BOOL WINAPI CombineTransform( LPXFORM xformResult, const XFORM *xform1,
1146     const XFORM *xform2 )
1147 {
1148     XFORM xformTemp;
1149
1150     /* Check for illegal parameters */
1151     if (!xformResult || !xform1 || !xform2)
1152         return FALSE;
1153
1154     /* Create the result in a temporary XFORM, since xformResult may be
1155      * equal to xform1 or xform2 */
1156     xformTemp.eM11 = xform1->eM11 * xform2->eM11 +
1157                      xform1->eM12 * xform2->eM21;
1158     xformTemp.eM12 = xform1->eM11 * xform2->eM12 +
1159                      xform1->eM12 * xform2->eM22;
1160     xformTemp.eM21 = xform1->eM21 * xform2->eM11 +
1161                      xform1->eM22 * xform2->eM21;
1162     xformTemp.eM22 = xform1->eM21 * xform2->eM12 +
1163                      xform1->eM22 * xform2->eM22;
1164     xformTemp.eDx  = xform1->eDx  * xform2->eM11 +
1165                      xform1->eDy  * xform2->eM21 +
1166                      xform2->eDx;
1167     xformTemp.eDy  = xform1->eDx  * xform2->eM12 +
1168                      xform1->eDy  * xform2->eM22 +
1169                      xform2->eDy;
1170
1171     /* Copy the result to xformResult */
1172     *xformResult = xformTemp;
1173
1174     return TRUE;
1175 }
1176
1177
1178 /***********************************************************************
1179  *           SetDCHook   (GDI.190)
1180  */
1181 /* ### start build ### */
1182 extern WORD CALLBACK GDI_CallTo16_word_wwll(FARPROC16,WORD,WORD,LONG,LONG);
1183 /* ### stop build ### */
1184 BOOL16 WINAPI SetDCHook( HDC16 hdc, FARPROC16 hookProc, DWORD dwHookData )
1185 {
1186     DC *dc = (DC *)GDI_GetObjPtr( hdc, DC_MAGIC );
1187     if (!dc) return FALSE;
1188
1189     /*
1190      * Note: We store the original SEGPTR 'hookProc' as we need to be
1191      *       able to return it verbatim in GetDCHook,
1192      *
1193      *       On the other hand, we still call THUNK_Alloc and store the
1194      *       32-bit thunk into another DC member, because THUNK_Alloc
1195      *       recognizes the (typical) case that the 'hookProc' is indeed
1196      *       the 16-bit API entry point of a built-in routine (e.g. DCHook16)
1197      *
1198      *       We could perform that test every time the hook is about to
1199      *       be called (or else we could live with the 32->16->32 detour),
1200      *       but this way is the most efficient ...
1201      */
1202
1203     dc->hookProc = hookProc;
1204     dc->dwHookData = dwHookData;
1205
1206     THUNK_Free( (FARPROC)dc->hookThunk );
1207     dc->hookThunk = (DCHOOKPROC)
1208                     THUNK_Alloc( hookProc, (RELAY)GDI_CallTo16_word_wwll );
1209
1210     GDI_HEAP_UNLOCK( hdc );
1211     return TRUE;
1212 }
1213
1214
1215 /***********************************************************************
1216  *           GetDCHook   (GDI.191)
1217  */
1218 DWORD WINAPI GetDCHook( HDC16 hdc, FARPROC16 *phookProc )
1219 {
1220     DC *dc = (DC *)GDI_GetObjPtr( hdc, DC_MAGIC );
1221     if (!dc) return 0;
1222     *phookProc = dc->hookProc;
1223     GDI_HEAP_UNLOCK( hdc );
1224     return dc->dwHookData;
1225 }
1226
1227
1228 /***********************************************************************
1229  *           SetHookFlags       (GDI.192)
1230  */
1231 WORD WINAPI SetHookFlags16(HDC16 hDC, WORD flags)
1232 {
1233     DC* dc = (DC*)GDI_GetObjPtr( hDC, DC_MAGIC );
1234
1235     if( dc )
1236     {
1237         WORD wRet = dc->w.flags & DC_DIRTY;
1238
1239         /* "Undocumented Windows" info is slightly confusing.
1240          */
1241
1242         TRACE("hDC %04x, flags %04x\n",hDC,flags);
1243
1244         if( flags & DCHF_INVALIDATEVISRGN )
1245             dc->w.flags |= DC_DIRTY;
1246         else if( flags & DCHF_VALIDATEVISRGN || !flags )
1247             dc->w.flags &= ~DC_DIRTY;
1248         GDI_HEAP_UNLOCK( hDC );
1249         return wRet;
1250     }
1251     return 0;
1252 }
1253
1254 /***********************************************************************
1255  *           SetICMMode    (GDI32.318)
1256  */
1257 INT WINAPI SetICMMode(HDC hdc, INT iEnableICM)
1258 {
1259 /*FIXME  Asuming that ICM is always off, and cannot be turned on */
1260     if (iEnableICM == ICM_OFF) return ICM_OFF;
1261     if (iEnableICM == ICM_ON) return 0;
1262     if (iEnableICM == ICM_QUERY) return ICM_OFF;
1263     return 0;
1264 }
1265
1266
1267 /***********************************************************************
1268  *           GetColorSpace    (GDI32.165)
1269  */
1270 HCOLORSPACE WINAPI GetColorSpace(HDC hdc)
1271 {
1272 /*FIXME    Need to to whatever GetColorSpace actually does */
1273     return 0;
1274 }
1275
1276 /***********************************************************************
1277  *           CreateColorSpaceA    (GDI32.???)
1278  */
1279 HCOLORSPACE WINAPI CreateColorSpaceA( LPLOGCOLORSPACEA lpLogColorSpace )
1280 {
1281   FIXME( "stub\n" );
1282   return 0;
1283 }
1284
1285 /***********************************************************************
1286  *           CreateColorSpaceW    (GDI32.???)
1287  */
1288 HCOLORSPACE WINAPI CreateColorSpaceW( LPLOGCOLORSPACEW lpLogColorSpace )
1289 {
1290   FIXME( "stub\n" );
1291   return 0;
1292 }
1293
1294 /***********************************************************************
1295  *           DeleteColorSpace     (GDI32.???)
1296  */
1297 BOOL WINAPI DeleteColorSpace( HCOLORSPACE hColorSpace )
1298 {
1299   FIXME( "stub\n" );
1300
1301   return TRUE;
1302 }
1303
1304 /***********************************************************************
1305  *           SetColorSpace     (GDI32.???)
1306  */
1307 HCOLORSPACE WINAPI SetColorSpace( HDC hDC, HCOLORSPACE hColorSpace )
1308 {
1309   FIXME( "stub\n" );
1310
1311   return hColorSpace;
1312 }
1313
1314 /***********************************************************************
1315  *           GetBoundsRect16    (GDI.194)
1316  */
1317 UINT16 WINAPI GetBoundsRect16(HDC16 hdc, LPRECT16 rect, UINT16 flags)
1318 {
1319     return DCB_RESET | DCB_DISABLE; /* bounding rectangle always empty and disabled*/
1320 }
1321
1322 /***********************************************************************
1323  *           GetBoundsRect    (GDI32.147)
1324  */
1325 UINT WINAPI GetBoundsRect(HDC hdc, LPRECT rect, UINT flags)
1326 {
1327     FIXME("(): stub\n");
1328     return DCB_RESET;   /* bounding rectangle always empty */
1329 }
1330
1331 /***********************************************************************
1332  *           SetBoundsRect16    (GDI.193)
1333  */
1334 UINT16 WINAPI SetBoundsRect16(HDC16 hdc, const RECT16* rect, UINT16 flags)
1335 {
1336     if ( (flags & DCB_ACCUMULATE) || (flags & DCB_ENABLE) )
1337         FIXME("(%04x, %p, %04x): stub\n", hdc, rect, flags );
1338
1339     return DCB_RESET | DCB_DISABLE; /* bounding rectangle always empty and disabled*/
1340 }
1341
1342 /***********************************************************************
1343  *           SetBoundsRect    (GDI32.307)
1344  */
1345 UINT WINAPI SetBoundsRect(HDC hdc, const RECT* rect, UINT flags)
1346 {
1347     FIXME("(): stub\n");
1348     return DCB_DISABLE;   /* bounding rectangle always empty */
1349 }
1350
1351
1352 /***********************************************************************
1353  *              GetRelAbs               (GDI32.218)
1354  */
1355 INT WINAPI GetRelAbs( HDC hdc, DWORD dwIgnore )
1356 {
1357     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
1358     if (!dc) return 0;
1359     return dc->w.relAbsMode;
1360 }
1361
1362 /***********************************************************************
1363  *           Death    (GDI.121)
1364  *
1365  * Disables GDI, switches back to text mode.
1366  * We don't have to do anything here,
1367  * just let console support handle everything
1368  */
1369 void WINAPI Death16(HDC16 hDC)
1370 {
1371     MESSAGE("Death(%04x) called. Application enters text mode...\n", hDC);
1372 }
1373
1374 /***********************************************************************
1375  *           Resurrection    (GDI.122)
1376  *
1377  * Restores GDI functionality
1378  */
1379 void WINAPI Resurrection16(HDC16 hDC,
1380                            WORD w1, WORD w2, WORD w3, WORD w4, WORD w5, WORD w6)
1381 {
1382     MESSAGE("Resurrection(%04x, %04x, %04x, %04x, %04x, %04x, %04x) called. Application left text mode.\n", hDC, w1, w2, w3, w4, w5, w6);
1383 }
1384
1385 /***********************************************************************
1386  *           GetLayout    (GDI32.321)
1387  *
1388  * Gets left->right or right->left text layout flags of a dc.
1389  * win98 just returns 0 and sets ERROR_CALL_NOT_IMPLEMENTED so we do the same
1390  *
1391  */
1392 DWORD WINAPI GetLayout(HDC hdc)
1393 {
1394     FIXME("(%08x): stub\n", hdc);
1395     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1396     return 0;
1397 }
1398
1399 /***********************************************************************
1400  *           SetLayout    (GDI32.450)
1401  *
1402  * Sets left->right or right->left text layout flags of a dc.
1403  * win98 just returns 0 and sets ERROR_CALL_NOT_IMPLEMENTED so we do the same
1404  *
1405  */
1406 DWORD WINAPI SetLayout(HDC hdc, DWORD layout)
1407 {
1408     FIXME("(%08x,%08lx): stub\n", hdc, layout);
1409     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1410     return 0;
1411 }