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     newdc->hookThunk  = NULL;
 287
 288     /* Get/SetDCState() don't change hVisRgn field ("Undoc. Windows" p.559). */
 289
 290     newdc->w.hGCClipRgn = newdc->w.hVisRgn = 0;
 291     if (dc->w.hClipRgn)
 292     {
 293         newdc->w.hClipRgn = CreateRectRgn( 0, 0, 0, 0 );
 294         CombineRgn( newdc->w.hClipRgn, dc->w.hClipRgn, 0, RGN_COPY );
 295     }
 296     else
 297         newdc->w.hClipRgn = 0;
 298     GDI_HEAP_UNLOCK( handle );
 299     GDI_HEAP_UNLOCK( hdc );
 300     return handle;
 301 }
 302
 303
 304 /***********************************************************************
 305  *           SetDCState    (GDI.180)
 306  */
 307 void WINAPI SetDCState16( HDC16 hdc, HDC16 hdcs )
 308 {
 309     DC *dc, *dcs;
 310
 311     if (!(dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ))) return;
 312     if (!(dcs = (DC *) GDI_GetObjPtr( hdcs, DC_MAGIC )))
 313     {
 314       GDI_HEAP_UNLOCK( hdc );
 315       return;
 316     }
 317     if (!dcs->w.flags & DC_SAVED)
 318     {
 319       GDI_HEAP_UNLOCK( hdc );
 320       GDI_HEAP_UNLOCK( hdcs );
 321       return;
 322     }
 323     TRACE("%04x %04x\n", hdc, hdcs );
 324
 325     dc->w.flags            = dcs->w.flags & ~DC_SAVED;
 326     dc->w.devCaps          = dcs->w.devCaps;
 327     dc->w.hDevice          = dcs->w.hDevice;
 328     dc->w.totalExtent      = dcs->w.totalExtent;
 329     dc->w.ROPmode          = dcs->w.ROPmode;
 330     dc->w.polyFillMode     = dcs->w.polyFillMode;
 331     dc->w.stretchBltMode   = dcs->w.stretchBltMode;
 332     dc->w.relAbsMode       = dcs->w.relAbsMode;
 333     dc->w.backgroundMode   = dcs->w.backgroundMode;
 334     dc->w.backgroundColor  = dcs->w.backgroundColor;
 335     dc->w.textColor        = dcs->w.textColor;
 336     dc->w.brushOrgX        = dcs->w.brushOrgX;
 337     dc->w.brushOrgY        = dcs->w.brushOrgY;
 338     dc->w.textAlign        = dcs->w.textAlign;
 339     dc->w.charExtra        = dcs->w.charExtra;
 340     dc->w.breakTotalExtra  = dcs->w.breakTotalExtra;
 341     dc->w.breakCount       = dcs->w.breakCount;
 342     dc->w.breakExtra       = dcs->w.breakExtra;
 343     dc->w.breakRem         = dcs->w.breakRem;
 344     dc->w.MapMode          = dcs->w.MapMode;
 345     dc->w.GraphicsMode     = dcs->w.GraphicsMode;
 346 #if 0
 347     /* Apparently, the DC origin is not changed by [GS]etDCState */
 348     dc->w.DCOrgX           = dcs->w.DCOrgX;
 349     dc->w.DCOrgY           = dcs->w.DCOrgY;
 350 #endif
 351     dc->w.CursPosX         = dcs->w.CursPosX;
 352     dc->w.CursPosY         = dcs->w.CursPosY;
 353     dc->w.ArcDirection     = dcs->w.ArcDirection;
 354     dc->w.xformWorld2Wnd   = dcs->w.xformWorld2Wnd;
 355     dc->w.xformWorld2Vport = dcs->w.xformWorld2Vport;
 356     dc->w.xformVport2World = dcs->w.xformVport2World;
 357     dc->w.vport2WorldValid = dcs->w.vport2WorldValid;
 358
 359     dc->wndOrgX            = dcs->wndOrgX;
 360     dc->wndOrgY            = dcs->wndOrgY;
 361     dc->wndExtX            = dcs->wndExtX;
 362     dc->wndExtY            = dcs->wndExtY;
 363     dc->vportOrgX          = dcs->vportOrgX;
 364     dc->vportOrgY          = dcs->vportOrgY;
 365     dc->vportExtX          = dcs->vportExtX;
 366     dc->vportExtY          = dcs->vportExtY;
 367
 368     if (!(dc->w.flags & DC_MEMORY)) dc->w.bitsPerPixel = dcs->w.bitsPerPixel;
 369
 370     if (dcs->w.hClipRgn)
 371     {
 372         if (!dc->w.hClipRgn) dc->w.hClipRgn = CreateRectRgn( 0, 0, 0, 0 );
 373         CombineRgn( dc->w.hClipRgn, dcs->w.hClipRgn, 0, RGN_COPY );
 374     }
 375     else
 376     {
 377         if (dc->w.hClipRgn) DeleteObject16( dc->w.hClipRgn );
 378         dc->w.hClipRgn = 0;
 379     }
 380     CLIPPING_UpdateGCRegion( dc );
 381
 382     SelectObject( hdc, dcs->w.hBitmap );
 383     SelectObject( hdc, dcs->w.hBrush );
 384     SelectObject( hdc, dcs->w.hFont );
 385     SelectObject( hdc, dcs->w.hPen );
 386     SetBkColor( hdc, dcs->w.backgroundColor);
 387     SetTextColor( hdc, dcs->w.textColor);
 388     GDISelectPalette16( hdc, dcs->w.hPalette, FALSE );
 389     GDI_HEAP_UNLOCK( hdc );
 390     GDI_HEAP_UNLOCK( hdcs );
 391 }
 392
 393
 394 /***********************************************************************
 395  *           SaveDC16    (GDI.30)
 396  */
 397 INT16 WINAPI SaveDC16( HDC16 hdc )
 398 {
 399     return (INT16)SaveDC( hdc );
 400 }
 401
 402
 403 /***********************************************************************
 404  *           SaveDC    (GDI32.292)
 405  */
 406 INT WINAPI SaveDC( HDC hdc )
 407 {
 408     HDC hdcs;
 409     DC * dc, * dcs;
 410     INT ret;
 411
 412     dc = DC_GetDCPtr( hdc );
 413     if (!dc) return 0;
 414
 415     if(dc->funcs->pSaveDC)
 416         return dc->funcs->pSaveDC( dc );
 417
 418     if (!(hdcs = GetDCState16( hdc )))
 419     {
 420       GDI_HEAP_UNLOCK( hdc );
 421       return 0;
 422     }
 423     dcs = (DC *) GDI_HEAP_LOCK( hdcs );
 424
 425     /* Copy path. The reason why path saving / restoring is in SaveDC/
 426      * RestoreDC and not in GetDCState/SetDCState is that the ...DCState
 427      * functions are only in Win16 (which doesn't have paths) and that
 428      * SetDCState doesn't allow us to signal an error (which can happen
 429      * when copying paths).
 430      */
 431     if (!PATH_AssignGdiPath( &dcs->w.path, &dc->w.path ))
 432     {
 433         GDI_HEAP_UNLOCK( hdc );
 434         GDI_HEAP_UNLOCK( hdcs );
 435         DeleteDC( hdcs );
 436         return 0;
 437     }
 438
 439     dcs->header.hNext = dc->header.hNext;
 440     dc->header.hNext = hdcs;
 441     TRACE("(%04x): returning %d\n", hdc, dc->saveLevel+1 );
 442     ret = ++dc->saveLevel;
 443     GDI_HEAP_UNLOCK( hdcs );
 444     GDI_HEAP_UNLOCK( hdc );
 445     return ret;
 446 }
 447
 448
 449 /***********************************************************************
 450  *           RestoreDC16    (GDI.39)
 451  */
 452 BOOL16 WINAPI RestoreDC16( HDC16 hdc, INT16 level )
 453 {
 454     return RestoreDC( hdc, level );
 455 }
 456
 457
 458 /***********************************************************************
 459  *           RestoreDC    (GDI32.290)
 460  */
 461 BOOL WINAPI RestoreDC( HDC hdc, INT level )
 462 {
 463     DC * dc, * dcs;
 464     BOOL success;
 465
 466     TRACE("%04x %d\n", hdc, level );
 467     dc = DC_GetDCPtr( hdc );
 468     if(!dc) return FALSE;
 469     if(dc->funcs->pRestoreDC)
 470         return dc->funcs->pRestoreDC( dc, level );
 471
 472     if (level == -1) level = dc->saveLevel;
 473     if ((level < 1) || (level > dc->saveLevel))
 474     {
 475       GDI_HEAP_UNLOCK( hdc );
 476       return FALSE;
 477     }
 478
 479     success=TRUE;
 480     while (dc->saveLevel >= level)
 481     {
 482         HDC16 hdcs = dc->header.hNext;
 483         if (!(dcs = (DC *) GDI_GetObjPtr( hdcs, DC_MAGIC )))
 484         {
 485           GDI_HEAP_UNLOCK( hdc );
 486           return FALSE;
 487         }
 488         dc->header.hNext = dcs->header.hNext;
 489         if (--dc->saveLevel < level)
 490         {
 491             SetDCState16( hdc, hdcs );
 492             if (!PATH_AssignGdiPath( &dc->w.path, &dcs->w.path ))
 493                 /* FIXME: This might not be quite right, since we're
 494                  * returning FALSE but still destroying the saved DC state */
 495                 success=FALSE;
 496         }
 497         DeleteDC( hdcs );
 498     }
 499     GDI_HEAP_UNLOCK( hdc );
 500     return success;
 501 }
 502
 503
 504 /***********************************************************************
 505  *           CreateDC16    (GDI.53)
 506  */
 507 HDC16 WINAPI CreateDC16( LPCSTR driver, LPCSTR device, LPCSTR output,
 508                          const DEVMODEA *initData )
 509 {
 510     DC * dc;
 511     const DC_FUNCTIONS *funcs;
 512     char buf[300];
 513
 514     if (device) {
 515         if(!DRIVER_GetDriverName( device, buf, sizeof(buf) )) return 0;
 516     } else
 517         strcpy(buf, driver);
 518
 519     if (!(funcs = DRIVER_FindDriver( buf ))) return 0;
 520     if (!(dc = DC_AllocDC( funcs ))) return 0;
 521     dc->w.flags = 0;
 522
 523     TRACE("(driver=%s, device=%s, output=%s): returning %04x\n",
 524                debugstr_a(driver), debugstr_a(device), debugstr_a(output), dc->hSelf );
 525
 526     if (dc->funcs->pCreateDC &&
 527         !dc->funcs->pCreateDC( dc, buf, device, output, initData ))
 528     {
 529         WARN("creation aborted by device\n" );
 530         GDI_HEAP_FREE( dc->hSelf );
 531         return 0;
 532     }
 533
 534     DC_InitDC( dc );
 535     GDI_HEAP_UNLOCK( dc->hSelf );
 536     return dc->hSelf;
 537 }
 538
 539
 540 /***********************************************************************
 541  *           CreateDCA    (GDI32.)
 542  */
 543 HDC WINAPI CreateDCA( LPCSTR driver, LPCSTR device, LPCSTR output,
 544                           const DEVMODEA *initData )
 545 {
 546     return CreateDC16( driver, device, output, (const DEVMODEA *)initData );
 547 }
 548
 549
 550 /***********************************************************************
 551  *           CreateDCW    (GDI32.)
 552  */
 553 HDC WINAPI CreateDCW( LPCWSTR driver, LPCWSTR device, LPCWSTR output,
 554                           const DEVMODEW *initData )
 555 {
 556     LPSTR driverA = HEAP_strdupWtoA( GetProcessHeap(), 0, driver );
 557     LPSTR deviceA = HEAP_strdupWtoA( GetProcessHeap(), 0, device );
 558     LPSTR outputA = HEAP_strdupWtoA( GetProcessHeap(), 0, output );
 559     HDC res = CreateDC16( driverA, deviceA, outputA,
 560                             (const DEVMODEA *)initData /*FIXME*/ );
 561     HeapFree( GetProcessHeap(), 0, driverA );
 562     HeapFree( GetProcessHeap(), 0, deviceA );
 563     HeapFree( GetProcessHeap(), 0, outputA );
 564     return res;
 565 }
 566
 567
 568 /***********************************************************************
 569  *           CreateIC16    (GDI.153)
 570  */
 571 HDC16 WINAPI CreateIC16( LPCSTR driver, LPCSTR device, LPCSTR output,
 572                          const DEVMODEA* initData )
 573 {
 574       /* Nothing special yet for ICs */
 575     return CreateDC16( driver, device, output, initData );
 576 }
 577
 578
 579 /***********************************************************************
 580  *           CreateICA    (GDI32.49)
 581  */
 582 HDC WINAPI CreateICA( LPCSTR driver, LPCSTR device, LPCSTR output,
 583                           const DEVMODEA* initData )
 584 {
 585       /* Nothing special yet for ICs */
 586     return CreateDCA( driver, device, output, initData );
 587 }
 588
 589
 590 /***********************************************************************
 591  *           CreateICW    (GDI32.50)
 592  */
 593 HDC WINAPI CreateICW( LPCWSTR driver, LPCWSTR device, LPCWSTR output,
 594                           const DEVMODEW* initData )
 595 {
 596       /* Nothing special yet for ICs */
 597     return CreateDCW( driver, device, output, initData );
 598 }
 599
 600
 601 /***********************************************************************
 602  *           CreateCompatibleDC16    (GDI.52)
 603  */
 604 HDC16 WINAPI CreateCompatibleDC16( HDC16 hdc )
 605 {
 606     return (HDC16)CreateCompatibleDC( hdc );
 607 }
 608
 609
 610 /***********************************************************************
 611  *           CreateCompatibleDC   (GDI32.31)
 612  */
 613 HDC WINAPI CreateCompatibleDC( HDC hdc )
 614 {
 615     DC *dc, *origDC;
 616     const DC_FUNCTIONS *funcs;
 617
 618     if ((origDC = (DC *)GDI_GetObjPtr( hdc, DC_MAGIC ))) funcs = origDC->funcs;
 619     else funcs = DRIVER_FindDriver( "DISPLAY" );
 620     if (!funcs) return 0;
 621
 622     if (!(dc = DC_AllocDC( funcs ))) return 0;
 623
 624     TRACE("(%04x): returning %04x\n",
 625                hdc, dc->hSelf );
 626
 627     dc->w.flags        = DC_MEMORY;
 628     dc->w.bitsPerPixel = 1;
 629     dc->w.hBitmap      = hPseudoStockBitmap;
 630
 631     /* Copy the driver-specific physical device info into
 632      * the new DC. The driver may use this read-only info
 633      * while creating the compatible DC below. */
 634     if (origDC)
 635         dc->physDev = origDC->physDev;
 636
 637     if (dc->funcs->pCreateDC &&
 638         !dc->funcs->pCreateDC( dc, NULL, NULL, NULL, NULL ))
 639     {
 640         WARN("creation aborted by device\n");
 641         GDI_HEAP_FREE( dc->hSelf );
 642         return 0;
 643     }
 644
 645     DC_InitDC( dc );
 646     GDI_HEAP_UNLOCK( dc->hSelf );
 647     return dc->hSelf;
 648 }
 649
 650
 651 /***********************************************************************
 652  *           DeleteDC16    (GDI.68)
 653  */
 654 BOOL16 WINAPI DeleteDC16( HDC16 hdc )
 655 {
 656     return DeleteDC( hdc );
 657 }
 658
 659
 660 /***********************************************************************
 661  *           DeleteDC    (GDI32.67)
 662  */
 663 BOOL WINAPI DeleteDC( HDC hdc )
 664 {
 665     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 666     if (!dc) return FALSE;
 667
 668     TRACE("%04x\n", hdc );
 669
 670     /* Call hook procedure to check whether is it OK to delete this DC */
 671     if (    dc->hookThunk && !(dc->w.flags & (DC_SAVED | DC_MEMORY))
 672          && dc->hookThunk( hdc, DCHC_DELETEDC, dc->dwHookData, 0 ) == FALSE )
 673     {
 674         GDI_HEAP_UNLOCK( hdc );
 675         return FALSE;
 676     }
 677
 678     while (dc->saveLevel)
 679     {
 680         DC * dcs;
 681         HDC16 hdcs = dc->header.hNext;
 682         if (!(dcs = (DC *) GDI_GetObjPtr( hdcs, DC_MAGIC ))) break;
 683         dc->header.hNext = dcs->header.hNext;
 684         dc->saveLevel--;
 685         DeleteDC( hdcs );
 686     }
 687
 688     if (!(dc->w.flags & DC_SAVED))
 689     {
 690         SelectObject( hdc, STOCK_BLACK_PEN );
 691         SelectObject( hdc, STOCK_WHITE_BRUSH );
 692         SelectObject( hdc, STOCK_SYSTEM_FONT );
 693         if (dc->funcs->pDeleteDC) dc->funcs->pDeleteDC(dc);
 694     }
 695
 696     if (dc->w.hClipRgn) DeleteObject( dc->w.hClipRgn );
 697     if (dc->w.hVisRgn) DeleteObject( dc->w.hVisRgn );
 698     if (dc->w.hGCClipRgn) DeleteObject( dc->w.hGCClipRgn );
 699     if (dc->w.pAbortProc) THUNK_Free( (FARPROC)dc->w.pAbortProc );
 700     if (dc->hookThunk) THUNK_Free( (FARPROC)dc->hookThunk );
 701     PATH_DestroyGdiPath(&dc->w.path);
 702
 703     return GDI_FreeObject( hdc );
 704 }
 705
 706
 707 /***********************************************************************
 708  *           ResetDC16    (GDI.376)
 709  */
 710 HDC16 WINAPI ResetDC16( HDC16 hdc, const DEVMODEA *devmode )
 711 {
 712     FIXME("stub\n" );
 713     return hdc;
 714 }
 715
 716
 717 /***********************************************************************
 718  *           ResetDCA    (GDI32.287)
 719  */
 720 HDC WINAPI ResetDCA( HDC hdc, const DEVMODEA *devmode )
 721 {
 722     FIXME("stub\n" );
 723     return hdc;
 724 }
 725
 726
 727 /***********************************************************************
 728  *           ResetDCW    (GDI32.288)
 729  */
 730 HDC WINAPI ResetDCW( HDC hdc, const DEVMODEW *devmode )
 731 {
 732     FIXME("stub\n" );
 733     return hdc;
 734 }
 735
 736
 737 /***********************************************************************
 738  *           GetDeviceCaps16    (GDI.80)
 739  */
 740 INT16 WINAPI GetDeviceCaps16( HDC16 hdc, INT16 cap )
 741 {
 742     return GetDeviceCaps( hdc, cap );
 743 }
 744
 745
 746 /***********************************************************************
 747  *           GetDeviceCaps    (GDI32.171)
 748  */
 749 INT WINAPI GetDeviceCaps( HDC hdc, INT cap )
 750 {
 751     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 752     INT ret;
 753     POINT pt;
 754
 755     if (!dc) return 0;
 756
 757     /* Device capabilities for the printer */
 758     switch (cap)
 759     {
 760     case PHYSICALWIDTH:
 761         if(Escape(hdc, GETPHYSPAGESIZE, 0, NULL, (LPVOID)&pt) > 0)
 762             return pt.x;
 763     case PHYSICALHEIGHT:
 764         if(Escape(hdc, GETPHYSPAGESIZE, 0, NULL, (LPVOID)&pt) > 0)
 765             return pt.y;
 766     case PHYSICALOFFSETX:
 767         if(Escape(hdc, GETPRINTINGOFFSET, 0, NULL, (LPVOID)&pt) > 0)
 768             return pt.x;
 769     case PHYSICALOFFSETY:
 770         if(Escape(hdc, GETPRINTINGOFFSET, 0, NULL, (LPVOID)&pt) > 0)
 771             return pt.y;
 772     case SCALINGFACTORX:
 773         if(Escape(hdc, GETSCALINGFACTOR, 0, NULL, (LPVOID)&pt) > 0)
 774             return pt.x;
 775     case SCALINGFACTORY:
 776         if(Escape(hdc, GETSCALINGFACTOR, 0, NULL, (LPVOID)&pt) > 0)
 777             return pt.y;
 778     }
 779
 780     if ((cap < 0) || (cap > sizeof(DeviceCaps)-sizeof(WORD)))
 781     {
 782       GDI_HEAP_UNLOCK( hdc );
 783       return 0;
 784     }
 785
 786     if (((cap>=46) && (cap<88)) || ((cap>=92) && (cap<104)))
 787         FIXME("(%04x,%d): unsupported DeviceCaps capability, will yield 0!\n",
 788                 hdc,cap
 789         );
 790     TRACE("(%04x,%d): returning %d\n",
 791             hdc, cap, *(WORD *)(((char *)dc->w.devCaps) + cap) );
 792     ret = *(WORD *)(((char *)dc->w.devCaps) + cap);
 793     GDI_HEAP_UNLOCK( hdc );
 794     return ret;
 795 }
 796
 797
 798 /***********************************************************************
 799  *           SetBkColor16    (GDI.1)
 800  */
 801 COLORREF WINAPI SetBkColor16( HDC16 hdc, COLORREF color )
 802 {
 803     return SetBkColor( hdc, color );
 804 }
 805
 806
 807 /***********************************************************************
 808  *           SetBkColor    (GDI32.305)
 809  */
 810 COLORREF WINAPI SetBkColor( HDC hdc, COLORREF color )
 811 {
 812     COLORREF oldColor;
 813     DC * dc = DC_GetDCPtr( hdc );
 814
 815     if (!dc) return 0x80000000;
 816     if (dc->funcs->pSetBkColor)
 817         oldColor = dc->funcs->pSetBkColor(dc, color);
 818     else {
 819         oldColor = dc->w.backgroundColor;
 820         dc->w.backgroundColor = color;
 821     }
 822     GDI_HEAP_UNLOCK( hdc );
 823     return oldColor;
 824 }
 825
 826
 827 /***********************************************************************
 828  *           SetTextColor16    (GDI.9)
 829  */
 830 COLORREF WINAPI SetTextColor16( HDC16 hdc, COLORREF color )
 831 {
 832     return SetTextColor( hdc, color );
 833 }
 834
 835
 836 /***********************************************************************
 837  *           SetTextColor    (GDI32.338)
 838  */
 839 COLORREF WINAPI SetTextColor( HDC hdc, COLORREF color )
 840 {
 841     COLORREF oldColor;
 842     DC * dc = DC_GetDCPtr( hdc );
 843
 844     if (!dc) return 0x80000000;
 845     if (dc->funcs->pSetTextColor)
 846         oldColor = dc->funcs->pSetTextColor(dc, color);
 847     else {
 848         oldColor = dc->w.textColor;
 849         dc->w.textColor = color;
 850     }
 851     GDI_HEAP_UNLOCK( hdc );
 852     return oldColor;
 853 }
 854
 855 /***********************************************************************
 856  *           SetTextAlign16    (GDI.346)
 857  */
 858 UINT16 WINAPI SetTextAlign16( HDC16 hdc, UINT16 align )
 859 {
 860     return SetTextAlign( hdc, align );
 861 }
 862
 863
 864 /***********************************************************************
 865  *           SetTextAlign    (GDI32.336)
 866  */
 867 UINT WINAPI SetTextAlign( HDC hdc, UINT align )
 868 {
 869     UINT prevAlign;
 870     DC *dc = DC_GetDCPtr( hdc );
 871     if (!dc) return 0x0;
 872     if (dc->funcs->pSetTextAlign)
 873         prevAlign = dc->funcs->pSetTextAlign(dc, align);
 874     else {
 875         prevAlign = dc->w.textAlign;
 876         dc->w.textAlign = align;
 877     }
 878     GDI_HEAP_UNLOCK( hdc );
 879     return prevAlign;
 880 }
 881
 882 /***********************************************************************
 883  *           GetDCOrgEx  (GDI32.168)
 884  */
 885 BOOL WINAPI GetDCOrgEx( HDC hDC, LPPOINT lpp )
 886 {
 887     DC * dc;
 888
 889     if (!lpp) return FALSE;
 890     if (!(dc = (DC *) GDI_GetObjPtr( hDC, DC_MAGIC ))) return FALSE;
 891
 892     lpp->x = lpp->y = 0;
 893     if (dc->funcs->pGetDCOrgEx) dc->funcs->pGetDCOrgEx( dc, lpp );
 894     lpp->x += dc->w.DCOrgX;
 895     lpp->y += dc->w.DCOrgY;
 896     GDI_HEAP_UNLOCK( hDC );
 897     return TRUE;
 898 }
 899
 900
 901 /***********************************************************************
 902  *           GetDCOrg    (GDI.79)
 903  */
 904 DWORD WINAPI GetDCOrg16( HDC16 hdc )
 905 {
 906     POINT       pt;
 907     if( GetDCOrgEx( hdc, &pt) )
 908         return MAKELONG( (WORD)pt.x, (WORD)pt.y );
 909     return 0;
 910 }
 911
 912
 913 /***********************************************************************
 914  *           SetDCOrg    (GDI.117)
 915  */
 916 DWORD WINAPI SetDCOrg16( HDC16 hdc, INT16 x, INT16 y )
 917 {
 918     DWORD prevOrg;
 919     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 920     if (!dc) return 0;
 921     prevOrg = dc->w.DCOrgX | (dc->w.DCOrgY << 16);
 922     dc->w.DCOrgX = x;
 923     dc->w.DCOrgY = y;
 924     GDI_HEAP_UNLOCK( hdc );
 925     return prevOrg;
 926 }
 927
 928
 929 /***********************************************************************
 930  *           GetGraphicsMode    (GDI32.188)
 931  */
 932 INT WINAPI GetGraphicsMode( HDC hdc )
 933 {
 934     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 935     if (!dc) return 0;
 936     return dc->w.GraphicsMode;
 937 }
 938
 939
 940 /***********************************************************************
 941  *           SetGraphicsMode    (GDI32.317)
 942  */
 943 INT WINAPI SetGraphicsMode( HDC hdc, INT mode )
 944 {
 945     INT ret;
 946     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 947
 948     /* One would think that setting the graphics mode to GM_COMPATIBLE
 949      * would also reset the world transformation matrix to the unity
 950      * matrix. However, in Windows, this is not the case. This doesn't
 951      * make a lot of sense to me, but that's the way it is.
 952      */
 953
 954     if (!dc) return 0;
 955     if ((mode <= 0) || (mode > GM_LAST)) return 0;
 956     ret = dc->w.GraphicsMode;
 957     dc->w.GraphicsMode = mode;
 958     return ret;
 959 }
 960
 961
 962 /***********************************************************************
 963  *           GetArcDirection16    (GDI.524)
 964  */
 965 INT16 WINAPI GetArcDirection16( HDC16 hdc )
 966 {
 967     return GetArcDirection( (HDC)hdc );
 968 }
 969
 970
 971 /***********************************************************************
 972  *           GetArcDirection    (GDI32.141)
 973  */
 974 INT WINAPI GetArcDirection( HDC hdc )
 975 {
 976     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 977
 978     if (!dc)
 979         return 0;
 980
 981     return dc->w.ArcDirection;
 982 }
 983
 984
 985 /***********************************************************************
 986  *           SetArcDirection16    (GDI.525)
 987  */
 988 INT16 WINAPI SetArcDirection16( HDC16 hdc, INT16 nDirection )
 989 {
 990     return SetArcDirection( (HDC)hdc, (INT)nDirection );
 991 }
 992
 993
 994 /***********************************************************************
 995  *           SetArcDirection    (GDI32.302)
 996  */
 997 INT WINAPI SetArcDirection( HDC hdc, INT nDirection )
 998 {
 999     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
1000     INT nOldDirection;
1001
1002     if (!dc)
1003         return 0;
1004
1005     if (nDirection!=AD_COUNTERCLOCKWISE && nDirection!=AD_CLOCKWISE)
1006     {
1007         SetLastError(ERROR_INVALID_PARAMETER);
1008         return 0;
1009     }
1010
1011     nOldDirection = dc->w.ArcDirection;
1012     dc->w.ArcDirection = nDirection;
1013
1014     return nOldDirection;
1015 }
1016
1017
1018 /***********************************************************************
1019  *           GetWorldTransform    (GDI32.244)
1020  */
1021 BOOL WINAPI GetWorldTransform( HDC hdc, LPXFORM xform )
1022 {
1023     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
1024
1025     if (!dc)
1026         return FALSE;
1027     if (!xform)
1028         return FALSE;
1029
1030     *xform = dc->w.xformWorld2Wnd;
1031
1032     return TRUE;
1033 }
1034
1035
1036 /***********************************************************************
1037  *           SetWorldTransform    (GDI32.346)
1038  */
1039 BOOL WINAPI SetWorldTransform( HDC hdc, const XFORM *xform )
1040 {
1041     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
1042
1043     if (!dc)
1044     {
1045         SetLastError( ERROR_INVALID_HANDLE );
1046         return FALSE;
1047     }
1048
1049     if (!xform)
1050         return FALSE;
1051
1052     /* Check that graphics mode is GM_ADVANCED */
1053     if (dc->w.GraphicsMode!=GM_ADVANCED)
1054        return FALSE;
1055
1056     dc->w.xformWorld2Wnd = *xform;
1057
1058     DC_UpdateXforms( dc );
1059
1060     return TRUE;
1061 }
1062
1063
1064 /****************************************************************************
1065  * ModifyWorldTransform [GDI32.253]
1066  * Modifies the world transformation for a device context.
1067  *
1068  * PARAMS
1069  *    hdc   [I] Handle to device context
1070  *    xform [I] XFORM structure that will be used to modify the world
1071  *              transformation
1072  *    iMode [I] Specifies in what way to modify the world transformation
1073  *              Possible values:
1074  *              MWT_IDENTITY
1075  *                 Resets the world transformation to the identity matrix.
1076  *                 The parameter xform is ignored.
1077  *              MWT_LEFTMULTIPLY
1078  *                 Multiplies xform into the world transformation matrix from
1079  *                 the left.
1080  *              MWT_RIGHTMULTIPLY
1081  *                 Multiplies xform into the world transformation matrix from
1082  *                 the right.
1083  *
1084  * RETURNS STD
1085  */
1086 BOOL WINAPI ModifyWorldTransform( HDC hdc, const XFORM *xform,
1087     DWORD iMode )
1088 {
1089     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
1090
1091     /* Check for illegal parameters */
1092     if (!dc)
1093     {
1094         SetLastError( ERROR_INVALID_HANDLE );
1095         return FALSE;
1096     }
1097     if (!xform)
1098         return FALSE;
1099
1100     /* Check that graphics mode is GM_ADVANCED */
1101     if (dc->w.GraphicsMode!=GM_ADVANCED)
1102        return FALSE;
1103
1104     switch (iMode)
1105     {
1106         case MWT_IDENTITY:
1107             dc->w.xformWorld2Wnd.eM11 = 1.0f;
1108             dc->w.xformWorld2Wnd.eM12 = 0.0f;
1109             dc->w.xformWorld2Wnd.eM21 = 0.0f;
1110             dc->w.xformWorld2Wnd.eM22 = 1.0f;
1111             dc->w.xformWorld2Wnd.eDx  = 0.0f;
1112             dc->w.xformWorld2Wnd.eDy  = 0.0f;
1113             break;
1114         case MWT_LEFTMULTIPLY:
1115             CombineTransform( &dc->w.xformWorld2Wnd, xform,
1116                 &dc->w.xformWorld2Wnd );
1117             break;
1118         case MWT_RIGHTMULTIPLY:
1119             CombineTransform( &dc->w.xformWorld2Wnd, &dc->w.xformWorld2Wnd,
1120                 xform );
1121             break;
1122         default:
1123             return FALSE;
1124     }
1125
1126     DC_UpdateXforms( dc );
1127
1128     return TRUE;
1129 }
1130
1131
1132 /****************************************************************************
1133  * CombineTransform [GDI32.20]
1134  * Combines two transformation matrices.
1135  *
1136  * PARAMS
1137  *    xformResult [O] Stores the result of combining the two matrices
1138  *    xform1      [I] Specifies the first matrix to apply
1139  *    xform2      [I] Specifies the second matrix to apply
1140  *
1141  * REMARKS
1142  *    The same matrix can be passed in for more than one of the parameters.
1143  *
1144  * RETURNS STD
1145  */
1146 BOOL WINAPI CombineTransform( LPXFORM xformResult, const XFORM *xform1,
1147     const XFORM *xform2 )
1148 {
1149     XFORM xformTemp;
1150
1151     /* Check for illegal parameters */
1152     if (!xformResult || !xform1 || !xform2)
1153         return FALSE;
1154
1155     /* Create the result in a temporary XFORM, since xformResult may be
1156      * equal to xform1 or xform2 */
1157     xformTemp.eM11 = xform1->eM11 * xform2->eM11 +
1158                      xform1->eM12 * xform2->eM21;
1159     xformTemp.eM12 = xform1->eM11 * xform2->eM12 +
1160                      xform1->eM12 * xform2->eM22;
1161     xformTemp.eM21 = xform1->eM21 * xform2->eM11 +
1162                      xform1->eM22 * xform2->eM21;
1163     xformTemp.eM22 = xform1->eM21 * xform2->eM12 +
1164                      xform1->eM22 * xform2->eM22;
1165     xformTemp.eDx  = xform1->eDx  * xform2->eM11 +
1166                      xform1->eDy  * xform2->eM21 +
1167                      xform2->eDx;
1168     xformTemp.eDy  = xform1->eDx  * xform2->eM12 +
1169                      xform1->eDy  * xform2->eM22 +
1170                      xform2->eDy;
1171
1172     /* Copy the result to xformResult */
1173     *xformResult = xformTemp;
1174
1175     return TRUE;
1176 }
1177
1178
1179 /***********************************************************************
1180  *           SetDCHook   (GDI.190)
1181  */
1182 /* ### start build ### */
1183 extern WORD CALLBACK GDI_CallTo16_word_wwll(FARPROC16,WORD,WORD,LONG,LONG);
1184 /* ### stop build ### */
1185 BOOL16 WINAPI SetDCHook( HDC16 hdc, FARPROC16 hookProc, DWORD dwHookData )
1186 {
1187     DC *dc = (DC *)GDI_GetObjPtr( hdc, DC_MAGIC );
1188     if (!dc) return FALSE;
1189
1190     /*
1191      * Note: We store the original SEGPTR 'hookProc' as we need to be
1192      *       able to return it verbatim in GetDCHook,
1193      *
1194      *       On the other hand, we still call THUNK_Alloc and store the
1195      *       32-bit thunk into another DC member, because THUNK_Alloc
1196      *       recognizes the (typical) case that the 'hookProc' is indeed
1197      *       the 16-bit API entry point of a built-in routine (e.g. DCHook16)
1198      *
1199      *       We could perform that test every time the hook is about to
1200      *       be called (or else we could live with the 32->16->32 detour),
1201      *       but this way is the most efficient ...
1202      */
1203
1204     dc->hookProc = hookProc;
1205     dc->dwHookData = dwHookData;
1206
1207     THUNK_Free( (FARPROC)dc->hookThunk );
1208     dc->hookThunk = (DCHOOKPROC)
1209                     THUNK_Alloc( hookProc, (RELAY)GDI_CallTo16_word_wwll );
1210
1211     GDI_HEAP_UNLOCK( hdc );
1212     return TRUE;
1213 }
1214
1215
1216 /***********************************************************************
1217  *           GetDCHook   (GDI.191)
1218  */
1219 DWORD WINAPI GetDCHook( HDC16 hdc, FARPROC16 *phookProc )
1220 {
1221     DC *dc = (DC *)GDI_GetObjPtr( hdc, DC_MAGIC );
1222     if (!dc) return 0;
1223     *phookProc = dc->hookProc;
1224     GDI_HEAP_UNLOCK( hdc );
1225     return dc->dwHookData;
1226 }
1227
1228
1229 /***********************************************************************
1230  *           SetHookFlags       (GDI.192)
1231  */
1232 WORD WINAPI SetHookFlags16(HDC16 hDC, WORD flags)
1233 {
1234     DC* dc = (DC*)GDI_GetObjPtr( hDC, DC_MAGIC );
1235
1236     if( dc )
1237     {
1238         WORD wRet = dc->w.flags & DC_DIRTY;
1239
1240         /* "Undocumented Windows" info is slightly confusing.
1241          */
1242
1243         TRACE("hDC %04x, flags %04x\n",hDC,flags);
1244
1245         if( flags & DCHF_INVALIDATEVISRGN )
1246             dc->w.flags |= DC_DIRTY;
1247         else if( flags & DCHF_VALIDATEVISRGN || !flags )
1248             dc->w.flags &= ~DC_DIRTY;
1249         GDI_HEAP_UNLOCK( hDC );
1250         return wRet;
1251     }
1252     return 0;
1253 }
1254
1255 /***********************************************************************
1256  *           SetICMMode    (GDI32.318)
1257  */
1258 INT WINAPI SetICMMode(HDC hdc, INT iEnableICM)
1259 {
1260 /*FIXME  Asuming that ICM is always off, and cannot be turned on */
1261     if (iEnableICM == ICM_OFF) return ICM_OFF;
1262     if (iEnableICM == ICM_ON) return 0;
1263     if (iEnableICM == ICM_QUERY) return ICM_OFF;
1264     return 0;
1265 }
1266
1267
1268 /***********************************************************************
1269  *           GetColorSpace    (GDI32.165)
1270  */
1271 HCOLORSPACE WINAPI GetColorSpace(HDC hdc)
1272 {
1273 /*FIXME    Need to to whatever GetColorSpace actually does */
1274     return 0;
1275 }
1276
1277 /***********************************************************************
1278  *           CreateColorSpaceA    (GDI32.???)
1279  */
1280 HCOLORSPACE WINAPI CreateColorSpaceA( LPLOGCOLORSPACEA lpLogColorSpace )
1281 {
1282   FIXME( "stub\n" );
1283   return 0;
1284 }
1285
1286 /***********************************************************************
1287  *           CreateColorSpaceW    (GDI32.???)
1288  */
1289 HCOLORSPACE WINAPI CreateColorSpaceW( LPLOGCOLORSPACEW lpLogColorSpace )
1290 {
1291   FIXME( "stub\n" );
1292   return 0;
1293 }
1294
1295 /***********************************************************************
1296  *           DeleteColorSpace     (GDI32.???)
1297  */
1298 BOOL WINAPI DeleteColorSpace( HCOLORSPACE hColorSpace )
1299 {
1300   FIXME( "stub\n" );
1301
1302   return TRUE;
1303 }
1304
1305 /***********************************************************************
1306  *           SetColorSpace     (GDI32.???)
1307  */
1308 HCOLORSPACE WINAPI SetColorSpace( HDC hDC, HCOLORSPACE hColorSpace )
1309 {
1310   FIXME( "stub\n" );
1311
1312   return hColorSpace;
1313 }
1314
1315 /***********************************************************************
1316  *           GetBoundsRect16    (GDI.194)
1317  */
1318 UINT16 WINAPI GetBoundsRect16(HDC16 hdc, LPRECT16 rect, UINT16 flags)
1319 {
1320     return DCB_RESET | DCB_DISABLE; /* bounding rectangle always empty and disabled*/
1321 }
1322
1323 /***********************************************************************
1324  *           GetBoundsRect    (GDI32.147)
1325  */
1326 UINT WINAPI GetBoundsRect(HDC hdc, LPRECT rect, UINT flags)
1327 {
1328     FIXME("(): stub\n");
1329     return DCB_RESET;   /* bounding rectangle always empty */
1330 }
1331
1332 /***********************************************************************
1333  *           SetBoundsRect16    (GDI.193)
1334  */
1335 UINT16 WINAPI SetBoundsRect16(HDC16 hdc, const RECT16* rect, UINT16 flags)
1336 {
1337     if ( (flags & DCB_ACCUMULATE) || (flags & DCB_ENABLE) )
1338         FIXME("(%04x, %p, %04x): stub\n", hdc, rect, flags );
1339
1340     return DCB_RESET | DCB_DISABLE; /* bounding rectangle always empty and disabled*/
1341 }
1342
1343 /***********************************************************************
1344  *           SetBoundsRect    (GDI32.307)
1345  */
1346 UINT WINAPI SetBoundsRect(HDC hdc, const RECT* rect, UINT flags)
1347 {
1348     FIXME("(): stub\n");
1349     return DCB_DISABLE;   /* bounding rectangle always empty */
1350 }
1351
1352
1353 /***********************************************************************
1354  *              GetRelAbs               (GDI32.218)
1355  */
1356 INT WINAPI GetRelAbs( HDC hdc, DWORD dwIgnore )
1357 {
1358     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
1359     if (!dc) return 0;
1360     return dc->w.relAbsMode;
1361 }
1362
1363 /***********************************************************************
1364  *           Death    (GDI.121)
1365  *
1366  * Disables GDI, switches back to text mode.
1367  * We don't have to do anything here,
1368  * just let console support handle everything
1369  */
1370 void WINAPI Death16(HDC16 hDC)
1371 {
1372     MESSAGE("Death(%04x) called. Application enters text mode...\n", hDC);
1373 }
1374
1375 /***********************************************************************
1376  *           Resurrection    (GDI.122)
1377  *
1378  * Restores GDI functionality
1379  */
1380 void WINAPI Resurrection16(HDC16 hDC,
1381                            WORD w1, WORD w2, WORD w3, WORD w4, WORD w5, WORD w6)
1382 {
1383     MESSAGE("Resurrection(%04x, %04x, %04x, %04x, %04x, %04x, %04x) called. Application left text mode.\n", hDC, w1, w2, w3, w4, w5, w6);
1384 }
1385
1386 /***********************************************************************
1387  *           GetLayout    (GDI32.321)
1388  *
1389  * Gets left->right or right->left text layout flags of a dc.
1390  * win98 just returns 0 and sets ERROR_CALL_NOT_IMPLEMENTED so we do the same
1391  *
1392  */
1393 DWORD WINAPI GetLayout(HDC hdc)
1394 {
1395     FIXME("(%08x): stub\n", hdc);
1396     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1397     return 0;
1398 }
1399
1400 /***********************************************************************
1401  *           SetLayout    (GDI32.450)
1402  *
1403  * Sets left->right or right->left text layout flags of a dc.
1404  * win98 just returns 0 and sets ERROR_CALL_NOT_IMPLEMENTED so we do the same
1405  *
1406  */
1407 DWORD WINAPI SetLayout(HDC hdc, DWORD layout)
1408 {
1409     FIXME("(%08x,%08lx): stub\n", hdc, layout);
1410     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1411     return 0;
1412 }