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     HDC hdc;
  87     DC *dc;
  88
  89     if (!(dc = GDI_AllocObject( sizeof(DC), DC_MAGIC, &hdc ))) return NULL;
  90     dc->hSelf      = hdc;
  91     dc->funcs      = funcs;
  92     dc->physDev    = NULL;
  93     dc->saveLevel  = 0;
  94     dc->dwHookData = 0L;
  95     dc->hookProc   = NULL;
  96     dc->hookThunk  = NULL;
  97     dc->wndOrgX    = 0;
  98     dc->wndOrgY    = 0;
  99     dc->wndExtX    = 1;
 100     dc->wndExtY    = 1;
 101     dc->vportOrgX  = 0;
 102     dc->vportOrgY  = 0;
 103     dc->vportExtX  = 1;
 104     dc->vportExtY  = 1;
 105
 106     DC_Init_DC_INFO( &dc->w );
 107
 108     return dc;
 109 }
 110
 111
 112
 113 /***********************************************************************
 114  *           DC_GetDCPtr
 115  */
 116 DC *DC_GetDCPtr( HDC hdc )
 117 {
 118     GDIOBJHDR *ptr = GDI_GetObjPtr( hdc, MAGIC_DONTCARE );
 119     if (!ptr) return NULL;
 120     if ((GDIMAGIC(ptr->wMagic) == DC_MAGIC) ||
 121         (GDIMAGIC(ptr->wMagic) == METAFILE_DC_MAGIC) ||
 122         (GDIMAGIC(ptr->wMagic) == ENHMETAFILE_DC_MAGIC))
 123         return (DC *)ptr;
 124     GDI_ReleaseObj( hdc );
 125     SetLastError( ERROR_INVALID_HANDLE );
 126     return NULL;
 127 }
 128
 129 /***********************************************************************
 130  *           DC_GetDCUpdate
 131  *
 132  * Retrieve a DC ptr while making sure the visRgn is updated.
 133  * This function may call up to USER so the GDI lock should _not_
 134  * be held when calling it.
 135  */
 136 DC *DC_GetDCUpdate( HDC hdc )
 137 {
 138     DC *dc = DC_GetDCPtr( hdc );
 139     if (!dc) return NULL;
 140     while (dc->w.flags & DC_DIRTY)
 141     {
 142         dc->w.flags &= ~DC_DIRTY;
 143         if (!(dc->w.flags & (DC_SAVED | DC_MEMORY)))
 144         {
 145             DCHOOKPROC proc = dc->hookThunk;
 146             if (proc)
 147             {
 148                 DWORD data = dc->dwHookData;
 149                 GDI_ReleaseObj( hdc );
 150                 proc( hdc, DCHC_INVALIDVISRGN, data, 0 );
 151                 if (!(dc = DC_GetDCPtr( hdc ))) break;
 152                 /* otherwise restart the loop in case it became dirty again in the meantime */
 153             }
 154         }
 155     }
 156     return dc;
 157 }
 158
 159 /***********************************************************************
 160  *           DC_InitDC
 161  *
 162  * Setup device-specific DC values for a newly created DC.
 163  */
 164 void DC_InitDC( DC* dc )
 165 {
 166     RealizeDefaultPalette16( dc->hSelf );
 167     SetTextColor( dc->hSelf, dc->w.textColor );
 168     SetBkColor( dc->hSelf, dc->w.backgroundColor );
 169     SelectObject( dc->hSelf, dc->w.hPen );
 170     SelectObject( dc->hSelf, dc->w.hBrush );
 171     SelectObject( dc->hSelf, dc->w.hFont );
 172     CLIPPING_UpdateGCRegion( dc );
 173 }
 174
 175
 176 /***********************************************************************
 177  *           DC_InvertXform
 178  *
 179  * Computes the inverse of the transformation xformSrc and stores it to
 180  * xformDest. Returns TRUE if successful or FALSE if the xformSrc matrix
 181  * is singular.
 182  */
 183 static BOOL DC_InvertXform( const XFORM *xformSrc, XFORM *xformDest )
 184 {
 185     FLOAT determinant;
 186
 187     determinant = xformSrc->eM11*xformSrc->eM22 -
 188         xformSrc->eM12*xformSrc->eM21;
 189     if (determinant > -1e-12 && determinant < 1e-12)
 190         return FALSE;
 191
 192     xformDest->eM11 =  xformSrc->eM22 / determinant;
 193     xformDest->eM12 = -xformSrc->eM12 / determinant;
 194     xformDest->eM21 = -xformSrc->eM21 / determinant;
 195     xformDest->eM22 =  xformSrc->eM11 / determinant;
 196     xformDest->eDx  = -xformSrc->eDx * xformDest->eM11 -
 197                        xformSrc->eDy * xformDest->eM21;
 198     xformDest->eDy  = -xformSrc->eDx * xformDest->eM12 -
 199                        xformSrc->eDy * xformDest->eM22;
 200
 201     return TRUE;
 202 }
 203
 204
 205 /***********************************************************************
 206  *           DC_UpdateXforms
 207  *
 208  * Updates the xformWorld2Vport, xformVport2World and vport2WorldValid
 209  * fields of the specified DC by creating a transformation that
 210  * represents the current mapping mode and combining it with the DC's
 211  * world transform. This function should be called whenever the
 212  * parameters associated with the mapping mode (window and viewport
 213  * extents and origins) or the world transform change.
 214  */
 215 void DC_UpdateXforms( DC *dc )
 216 {
 217     XFORM xformWnd2Vport;
 218     FLOAT scaleX, scaleY;
 219
 220     /* Construct a transformation to do the window-to-viewport conversion */
 221     scaleX = (FLOAT)dc->vportExtX / (FLOAT)dc->wndExtX;
 222     scaleY = (FLOAT)dc->vportExtY / (FLOAT)dc->wndExtY;
 223     xformWnd2Vport.eM11 = scaleX;
 224     xformWnd2Vport.eM12 = 0.0;
 225     xformWnd2Vport.eM21 = 0.0;
 226     xformWnd2Vport.eM22 = scaleY;
 227     xformWnd2Vport.eDx  = (FLOAT)dc->vportOrgX -
 228         scaleX * (FLOAT)dc->wndOrgX;
 229     xformWnd2Vport.eDy  = (FLOAT)dc->vportOrgY -
 230         scaleY * (FLOAT)dc->wndOrgY;
 231
 232     /* Combine with the world transformation */
 233     CombineTransform( &dc->w.xformWorld2Vport, &dc->w.xformWorld2Wnd,
 234         &xformWnd2Vport );
 235
 236     /* Create inverse of world-to-viewport transformation */
 237     dc->w.vport2WorldValid = DC_InvertXform( &dc->w.xformWorld2Vport,
 238         &dc->w.xformVport2World );
 239 }
 240
 241
 242 /***********************************************************************
 243  *           GetDCState    (GDI.179)
 244  */
 245 HDC16 WINAPI GetDCState16( HDC16 hdc )
 246 {
 247     DC * newdc, * dc;
 248     HGDIOBJ handle;
 249
 250     if (!(dc = DC_GetDCUpdate( hdc ))) return 0;
 251     if (!(newdc = GDI_AllocObject( sizeof(DC), DC_MAGIC, &handle )))
 252     {
 253       GDI_ReleaseObj( hdc );
 254       return 0;
 255     }
 256     TRACE("(%04x): returning %04x\n", hdc, handle );
 257
 258     newdc->w.flags            = dc->w.flags | DC_SAVED;
 259     newdc->w.devCaps          = dc->w.devCaps;
 260     newdc->w.hPen             = dc->w.hPen;
 261     newdc->w.hBrush           = dc->w.hBrush;
 262     newdc->w.hFont            = dc->w.hFont;
 263     newdc->w.hBitmap          = dc->w.hBitmap;
 264     newdc->w.hDevice          = dc->w.hDevice;
 265     newdc->w.hPalette         = dc->w.hPalette;
 266     newdc->w.totalExtent      = dc->w.totalExtent;
 267     newdc->w.bitsPerPixel     = dc->w.bitsPerPixel;
 268     newdc->w.ROPmode          = dc->w.ROPmode;
 269     newdc->w.polyFillMode     = dc->w.polyFillMode;
 270     newdc->w.stretchBltMode   = dc->w.stretchBltMode;
 271     newdc->w.relAbsMode       = dc->w.relAbsMode;
 272     newdc->w.backgroundMode   = dc->w.backgroundMode;
 273     newdc->w.backgroundColor  = dc->w.backgroundColor;
 274     newdc->w.textColor        = dc->w.textColor;
 275     newdc->w.brushOrgX        = dc->w.brushOrgX;
 276     newdc->w.brushOrgY        = dc->w.brushOrgY;
 277     newdc->w.textAlign        = dc->w.textAlign;
 278     newdc->w.charExtra        = dc->w.charExtra;
 279     newdc->w.breakTotalExtra  = dc->w.breakTotalExtra;
 280     newdc->w.breakCount       = dc->w.breakCount;
 281     newdc->w.breakExtra       = dc->w.breakExtra;
 282     newdc->w.breakRem         = dc->w.breakRem;
 283     newdc->w.MapMode          = dc->w.MapMode;
 284     newdc->w.GraphicsMode     = dc->w.GraphicsMode;
 285 #if 0
 286     /* Apparently, the DC origin is not changed by [GS]etDCState */
 287     newdc->w.DCOrgX           = dc->w.DCOrgX;
 288     newdc->w.DCOrgY           = dc->w.DCOrgY;
 289 #endif
 290     newdc->w.CursPosX         = dc->w.CursPosX;
 291     newdc->w.CursPosY         = dc->w.CursPosY;
 292     newdc->w.ArcDirection     = dc->w.ArcDirection;
 293     newdc->w.xformWorld2Wnd   = dc->w.xformWorld2Wnd;
 294     newdc->w.xformWorld2Vport = dc->w.xformWorld2Vport;
 295     newdc->w.xformVport2World = dc->w.xformVport2World;
 296     newdc->w.vport2WorldValid = dc->w.vport2WorldValid;
 297     newdc->wndOrgX            = dc->wndOrgX;
 298     newdc->wndOrgY            = dc->wndOrgY;
 299     newdc->wndExtX            = dc->wndExtX;
 300     newdc->wndExtY            = dc->wndExtY;
 301     newdc->vportOrgX          = dc->vportOrgX;
 302     newdc->vportOrgY          = dc->vportOrgY;
 303     newdc->vportExtX          = dc->vportExtX;
 304     newdc->vportExtY          = dc->vportExtY;
 305
 306     newdc->hSelf = (HDC)handle;
 307     newdc->saveLevel = 0;
 308
 309     PATH_InitGdiPath( &newdc->w.path );
 310
 311     newdc->w.pAbortProc = NULL;
 312     newdc->hookThunk  = NULL;
 313
 314     /* Get/SetDCState() don't change hVisRgn field ("Undoc. Windows" p.559). */
 315
 316     newdc->w.hGCClipRgn = newdc->w.hVisRgn = 0;
 317     if (dc->w.hClipRgn)
 318     {
 319         newdc->w.hClipRgn = CreateRectRgn( 0, 0, 0, 0 );
 320         CombineRgn( newdc->w.hClipRgn, dc->w.hClipRgn, 0, RGN_COPY );
 321     }
 322     else
 323         newdc->w.hClipRgn = 0;
 324     GDI_ReleaseObj( handle );
 325     GDI_ReleaseObj( hdc );
 326     return handle;
 327 }
 328
 329
 330 /***********************************************************************
 331  *           SetDCState    (GDI.180)
 332  */
 333 void WINAPI SetDCState16( HDC16 hdc, HDC16 hdcs )
 334 {
 335     DC *dc, *dcs;
 336
 337     if (!(dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ))) return;
 338     if (!(dcs = (DC *) GDI_GetObjPtr( hdcs, DC_MAGIC )))
 339     {
 340       GDI_ReleaseObj( hdc );
 341       return;
 342     }
 343     if (!dcs->w.flags & DC_SAVED)
 344     {
 345       GDI_ReleaseObj( hdc );
 346       GDI_ReleaseObj( hdcs );
 347       return;
 348     }
 349     TRACE("%04x %04x\n", hdc, hdcs );
 350
 351     dc->w.flags            = dcs->w.flags & ~DC_SAVED;
 352     dc->w.devCaps          = dcs->w.devCaps;
 353     dc->w.hDevice          = dcs->w.hDevice;
 354     dc->w.totalExtent      = dcs->w.totalExtent;
 355     dc->w.ROPmode          = dcs->w.ROPmode;
 356     dc->w.polyFillMode     = dcs->w.polyFillMode;
 357     dc->w.stretchBltMode   = dcs->w.stretchBltMode;
 358     dc->w.relAbsMode       = dcs->w.relAbsMode;
 359     dc->w.backgroundMode   = dcs->w.backgroundMode;
 360     dc->w.backgroundColor  = dcs->w.backgroundColor;
 361     dc->w.textColor        = dcs->w.textColor;
 362     dc->w.brushOrgX        = dcs->w.brushOrgX;
 363     dc->w.brushOrgY        = dcs->w.brushOrgY;
 364     dc->w.textAlign        = dcs->w.textAlign;
 365     dc->w.charExtra        = dcs->w.charExtra;
 366     dc->w.breakTotalExtra  = dcs->w.breakTotalExtra;
 367     dc->w.breakCount       = dcs->w.breakCount;
 368     dc->w.breakExtra       = dcs->w.breakExtra;
 369     dc->w.breakRem         = dcs->w.breakRem;
 370     dc->w.MapMode          = dcs->w.MapMode;
 371     dc->w.GraphicsMode     = dcs->w.GraphicsMode;
 372 #if 0
 373     /* Apparently, the DC origin is not changed by [GS]etDCState */
 374     dc->w.DCOrgX           = dcs->w.DCOrgX;
 375     dc->w.DCOrgY           = dcs->w.DCOrgY;
 376 #endif
 377     dc->w.CursPosX         = dcs->w.CursPosX;
 378     dc->w.CursPosY         = dcs->w.CursPosY;
 379     dc->w.ArcDirection     = dcs->w.ArcDirection;
 380     dc->w.xformWorld2Wnd   = dcs->w.xformWorld2Wnd;
 381     dc->w.xformWorld2Vport = dcs->w.xformWorld2Vport;
 382     dc->w.xformVport2World = dcs->w.xformVport2World;
 383     dc->w.vport2WorldValid = dcs->w.vport2WorldValid;
 384
 385     dc->wndOrgX            = dcs->wndOrgX;
 386     dc->wndOrgY            = dcs->wndOrgY;
 387     dc->wndExtX            = dcs->wndExtX;
 388     dc->wndExtY            = dcs->wndExtY;
 389     dc->vportOrgX          = dcs->vportOrgX;
 390     dc->vportOrgY          = dcs->vportOrgY;
 391     dc->vportExtX          = dcs->vportExtX;
 392     dc->vportExtY          = dcs->vportExtY;
 393
 394     if (!(dc->w.flags & DC_MEMORY)) dc->w.bitsPerPixel = dcs->w.bitsPerPixel;
 395
 396     if (dcs->w.hClipRgn)
 397     {
 398         if (!dc->w.hClipRgn) dc->w.hClipRgn = CreateRectRgn( 0, 0, 0, 0 );
 399         CombineRgn( dc->w.hClipRgn, dcs->w.hClipRgn, 0, RGN_COPY );
 400     }
 401     else
 402     {
 403         if (dc->w.hClipRgn) DeleteObject16( dc->w.hClipRgn );
 404         dc->w.hClipRgn = 0;
 405     }
 406     CLIPPING_UpdateGCRegion( dc );
 407
 408     SelectObject( hdc, dcs->w.hBitmap );
 409     SelectObject( hdc, dcs->w.hBrush );
 410     SelectObject( hdc, dcs->w.hFont );
 411     SelectObject( hdc, dcs->w.hPen );
 412     SetBkColor( hdc, dcs->w.backgroundColor);
 413     SetTextColor( hdc, dcs->w.textColor);
 414     GDISelectPalette16( hdc, dcs->w.hPalette, FALSE );
 415     GDI_ReleaseObj( hdcs );
 416     GDI_ReleaseObj( hdc );
 417 }
 418
 419
 420 /***********************************************************************
 421  *           SaveDC16    (GDI.30)
 422  */
 423 INT16 WINAPI SaveDC16( HDC16 hdc )
 424 {
 425     return (INT16)SaveDC( hdc );
 426 }
 427
 428
 429 /***********************************************************************
 430  *           SaveDC    (GDI32.292)
 431  */
 432 INT WINAPI SaveDC( HDC hdc )
 433 {
 434     HDC hdcs;
 435     DC * dc, * dcs;
 436     INT ret;
 437
 438     dc = DC_GetDCUpdate( hdc );
 439     if (!dc) return 0;
 440
 441     if(dc->funcs->pSaveDC)
 442     {
 443         ret = dc->funcs->pSaveDC( dc );
 444         GDI_ReleaseObj( hdc );
 445         return ret;
 446     }
 447
 448     if (!(hdcs = GetDCState16( hdc )))
 449     {
 450       GDI_ReleaseObj( hdc );
 451       return 0;
 452     }
 453     dcs = GDI_GetObjPtr( hdcs, DC_MAGIC );
 454
 455     /* Copy path. The reason why path saving / restoring is in SaveDC/
 456      * RestoreDC and not in GetDCState/SetDCState is that the ...DCState
 457      * functions are only in Win16 (which doesn't have paths) and that
 458      * SetDCState doesn't allow us to signal an error (which can happen
 459      * when copying paths).
 460      */
 461     if (!PATH_AssignGdiPath( &dcs->w.path, &dc->w.path ))
 462     {
 463         GDI_ReleaseObj( hdc );
 464         GDI_ReleaseObj( hdcs );
 465         DeleteDC( hdcs );
 466         return 0;
 467     }
 468
 469     dcs->header.hNext = dc->header.hNext;
 470     dc->header.hNext = hdcs;
 471     TRACE("(%04x): returning %d\n", hdc, dc->saveLevel+1 );
 472     ret = ++dc->saveLevel;
 473     GDI_ReleaseObj( hdcs );
 474     GDI_ReleaseObj( hdc );
 475     return ret;
 476 }
 477
 478
 479 /***********************************************************************
 480  *           RestoreDC16    (GDI.39)
 481  */
 482 BOOL16 WINAPI RestoreDC16( HDC16 hdc, INT16 level )
 483 {
 484     return RestoreDC( hdc, level );
 485 }
 486
 487
 488 /***********************************************************************
 489  *           RestoreDC    (GDI32.290)
 490  */
 491 BOOL WINAPI RestoreDC( HDC hdc, INT level )
 492 {
 493     DC * dc, * dcs;
 494     BOOL success;
 495
 496     TRACE("%04x %d\n", hdc, level );
 497     dc = DC_GetDCPtr( hdc );
 498     if(!dc) return FALSE;
 499     if(dc->funcs->pRestoreDC)
 500     {
 501         success = dc->funcs->pRestoreDC( dc, level );
 502         GDI_ReleaseObj( hdc );
 503         return success;
 504     }
 505
 506     if (level == -1) level = dc->saveLevel;
 507     if ((level < 1)
 508             /* This pair of checks disagrees with MSDN "Platform SDK:
 509                Windows GDI" July 2000 which says all negative values
 510                for level will be interpreted as an instance relative
 511                to the current state.  Restricting it to just -1 does
 512                not satisfy this */
 513         || (level > dc->saveLevel))
 514     {
 515         GDI_ReleaseObj( hdc );
 516         return FALSE;
 517     }
 518
 519     success=TRUE;
 520     while (dc->saveLevel >= level)
 521     {
 522         HDC16 hdcs = dc->header.hNext;
 523         if (!(dcs = (DC *) GDI_GetObjPtr( hdcs, DC_MAGIC )))
 524         {
 525           GDI_ReleaseObj( hdc );
 526           return FALSE;
 527         }
 528         dc->header.hNext = dcs->header.hNext;
 529         if (--dc->saveLevel < level)
 530         {
 531             SetDCState16( hdc, hdcs );
 532             if (!PATH_AssignGdiPath( &dc->w.path, &dcs->w.path ))
 533                 /* FIXME: This might not be quite right, since we're
 534                  * returning FALSE but still destroying the saved DC state */
 535                 success=FALSE;
 536         }
 537         GDI_ReleaseObj( hdcs );
 538         DeleteDC( hdcs );
 539     }
 540     GDI_ReleaseObj( hdc );
 541     return success;
 542 }
 543
 544
 545 /***********************************************************************
 546  *           CreateDC16    (GDI.53)
 547  */
 548 HDC16 WINAPI CreateDC16( LPCSTR driver, LPCSTR device, LPCSTR output,
 549                          const DEVMODEA *initData )
 550 {
 551     HDC hdc;
 552     DC * dc;
 553     const DC_FUNCTIONS *funcs;
 554     char buf[300];
 555
 556     if (!device || !DRIVER_GetDriverName( device, buf, sizeof(buf) ))
 557         strcpy(buf, driver);
 558
 559     if (!(funcs = DRIVER_FindDriver( buf ))) return 0;
 560     if (!(dc = DC_AllocDC( funcs ))) return 0;
 561     dc->w.flags = 0;
 562
 563     TRACE("(driver=%s, device=%s, output=%s): returning %04x\n",
 564                debugstr_a(driver), debugstr_a(device), debugstr_a(output), dc->hSelf );
 565
 566     if (dc->funcs->pCreateDC &&
 567         !dc->funcs->pCreateDC( dc, buf, device, output, initData ))
 568     {
 569         WARN("creation aborted by device\n" );
 570         GDI_FreeObject( dc->hSelf, dc );
 571         return 0;
 572     }
 573
 574     DC_InitDC( dc );
 575     hdc = dc->hSelf;
 576     GDI_ReleaseObj( hdc );
 577     return hdc;
 578 }
 579
 580
 581 /***********************************************************************
 582  *           CreateDCA    (GDI32.)
 583  */
 584 HDC WINAPI CreateDCA( LPCSTR driver, LPCSTR device, LPCSTR output,
 585                           const DEVMODEA *initData )
 586 {
 587     return CreateDC16( driver, device, output, (const DEVMODEA *)initData );
 588 }
 589
 590
 591 /***********************************************************************
 592  *           CreateDCW    (GDI32.)
 593  */
 594 HDC WINAPI CreateDCW( LPCWSTR driver, LPCWSTR device, LPCWSTR output,
 595                           const DEVMODEW *initData )
 596 {
 597     LPSTR driverA = HEAP_strdupWtoA( GetProcessHeap(), 0, driver );
 598     LPSTR deviceA = HEAP_strdupWtoA( GetProcessHeap(), 0, device );
 599     LPSTR outputA = HEAP_strdupWtoA( GetProcessHeap(), 0, output );
 600     HDC res = CreateDC16( driverA, deviceA, outputA,
 601                             (const DEVMODEA *)initData /*FIXME*/ );
 602     HeapFree( GetProcessHeap(), 0, driverA );
 603     HeapFree( GetProcessHeap(), 0, deviceA );
 604     HeapFree( GetProcessHeap(), 0, outputA );
 605     return res;
 606 }
 607
 608
 609 /***********************************************************************
 610  *           CreateIC16    (GDI.153)
 611  */
 612 HDC16 WINAPI CreateIC16( LPCSTR driver, LPCSTR device, LPCSTR output,
 613                          const DEVMODEA* initData )
 614 {
 615       /* Nothing special yet for ICs */
 616     return CreateDC16( driver, device, output, initData );
 617 }
 618
 619
 620 /***********************************************************************
 621  *           CreateICA    (GDI32.49)
 622  */
 623 HDC WINAPI CreateICA( LPCSTR driver, LPCSTR device, LPCSTR output,
 624                           const DEVMODEA* initData )
 625 {
 626       /* Nothing special yet for ICs */
 627     return CreateDCA( driver, device, output, initData );
 628 }
 629
 630
 631 /***********************************************************************
 632  *           CreateICW    (GDI32.50)
 633  */
 634 HDC WINAPI CreateICW( LPCWSTR driver, LPCWSTR device, LPCWSTR output,
 635                           const DEVMODEW* initData )
 636 {
 637       /* Nothing special yet for ICs */
 638     return CreateDCW( driver, device, output, initData );
 639 }
 640
 641
 642 /***********************************************************************
 643  *           CreateCompatibleDC16    (GDI.52)
 644  */
 645 HDC16 WINAPI CreateCompatibleDC16( HDC16 hdc )
 646 {
 647     return (HDC16)CreateCompatibleDC( hdc );
 648 }
 649
 650
 651 /***********************************************************************
 652  *           CreateCompatibleDC   (GDI32.31)
 653  */
 654 HDC WINAPI CreateCompatibleDC( HDC hdc )
 655 {
 656     DC *dc, *origDC;
 657     const DC_FUNCTIONS *funcs;
 658
 659     if ((origDC = (DC *)GDI_GetObjPtr( hdc, DC_MAGIC ))) funcs = origDC->funcs;
 660     else funcs = DRIVER_FindDriver( "DISPLAY" );
 661
 662     if (!funcs || !(dc = DC_AllocDC( funcs )))
 663     {
 664         if (origDC) GDI_ReleaseObj( hdc );
 665         return 0;
 666     }
 667
 668     TRACE("(%04x): returning %04x\n",
 669                hdc, dc->hSelf );
 670
 671     dc->w.flags        = DC_MEMORY;
 672     dc->w.bitsPerPixel = 1;
 673     dc->w.hBitmap      = hPseudoStockBitmap;
 674
 675     /* Copy the driver-specific physical device info into
 676      * the new DC. The driver may use this read-only info
 677      * while creating the compatible DC below. */
 678     if (origDC)
 679         dc->physDev = origDC->physDev;
 680
 681     if (dc->funcs->pCreateDC &&
 682         !dc->funcs->pCreateDC( dc, NULL, NULL, NULL, NULL ))
 683     {
 684         WARN("creation aborted by device\n");
 685         GDI_FreeObject( dc->hSelf, dc );
 686         if (origDC) GDI_ReleaseObj( hdc );
 687         return 0;
 688     }
 689
 690     DC_InitDC( dc );
 691     GDI_ReleaseObj( dc->hSelf );
 692     if (origDC) GDI_ReleaseObj( hdc );
 693     return dc->hSelf;
 694 }
 695
 696
 697 /***********************************************************************
 698  *           DeleteDC16    (GDI.68)
 699  */
 700 BOOL16 WINAPI DeleteDC16( HDC16 hdc )
 701 {
 702     return DeleteDC( hdc );
 703 }
 704
 705
 706 /***********************************************************************
 707  *           DeleteDC    (GDI32.67)
 708  */
 709 BOOL WINAPI DeleteDC( HDC hdc )
 710 {
 711     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 712     if (!dc) return FALSE;
 713
 714     TRACE("%04x\n", hdc );
 715
 716     /* Call hook procedure to check whether is it OK to delete this DC */
 717     if (dc->hookThunk && !(dc->w.flags & (DC_SAVED | DC_MEMORY)))
 718     {
 719         DCHOOKPROC proc = dc->hookThunk;
 720         if (proc)
 721         {
 722             DWORD data = dc->dwHookData;
 723             GDI_ReleaseObj( hdc );
 724             if (!proc( hdc, DCHC_DELETEDC, data, 0 )) return FALSE;
 725             if (!(dc = DC_GetDCPtr( hdc ))) return FALSE;
 726         }
 727     }
 728
 729     while (dc->saveLevel)
 730     {
 731         DC * dcs;
 732         HDC16 hdcs = dc->header.hNext;
 733         if (!(dcs = (DC *) GDI_GetObjPtr( hdcs, DC_MAGIC ))) break;
 734         dc->header.hNext = dcs->header.hNext;
 735         dc->saveLevel--;
 736         GDI_ReleaseObj( hdcs );
 737         DeleteDC( hdcs );
 738     }
 739
 740     if (!(dc->w.flags & DC_SAVED))
 741     {
 742         SelectObject( hdc, STOCK_BLACK_PEN );
 743         SelectObject( hdc, STOCK_WHITE_BRUSH );
 744         SelectObject( hdc, STOCK_SYSTEM_FONT );
 745         if (dc->funcs->pDeleteDC) dc->funcs->pDeleteDC(dc);
 746     }
 747
 748     if (dc->w.hClipRgn) DeleteObject( dc->w.hClipRgn );
 749     if (dc->w.hVisRgn) DeleteObject( dc->w.hVisRgn );
 750     if (dc->w.hGCClipRgn) DeleteObject( dc->w.hGCClipRgn );
 751     if (dc->w.pAbortProc) THUNK_Free( (FARPROC)dc->w.pAbortProc );
 752     if (dc->hookThunk) THUNK_Free( (FARPROC)dc->hookThunk );
 753     PATH_DestroyGdiPath(&dc->w.path);
 754
 755     return GDI_FreeObject( hdc, dc );
 756 }
 757
 758
 759 /***********************************************************************
 760  *           ResetDC16    (GDI.376)
 761  */
 762 HDC16 WINAPI ResetDC16( HDC16 hdc, const DEVMODEA *devmode )
 763 {
 764     FIXME("stub\n" );
 765     return hdc;
 766 }
 767
 768
 769 /***********************************************************************
 770  *           ResetDCA    (GDI32.287)
 771  */
 772 HDC WINAPI ResetDCA( HDC hdc, const DEVMODEA *devmode )
 773 {
 774     FIXME("stub\n" );
 775     return hdc;
 776 }
 777
 778
 779 /***********************************************************************
 780  *           ResetDCW    (GDI32.288)
 781  */
 782 HDC WINAPI ResetDCW( HDC hdc, const DEVMODEW *devmode )
 783 {
 784     FIXME("stub\n" );
 785     return hdc;
 786 }
 787
 788
 789 /***********************************************************************
 790  *           GetDeviceCaps16    (GDI.80)
 791  */
 792 INT16 WINAPI GetDeviceCaps16( HDC16 hdc, INT16 cap )
 793 {
 794     INT16 ret = GetDeviceCaps( hdc, cap );
 795     /* some apps don't expect -1 and think it's a B&W screen */
 796     if ((cap == NUMCOLORS) && (ret == -1)) ret = 2048;
 797     return ret;
 798 }
 799
 800
 801 /***********************************************************************
 802  *           GetDeviceCaps    (GDI32.171)
 803  */
 804 INT WINAPI GetDeviceCaps( HDC hdc, INT cap )
 805 {
 806     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 807     INT ret = 0;
 808     POINT pt;
 809
 810     if (!dc) return 0;
 811
 812     /* Device capabilities for the printer */
 813     switch (cap)
 814     {
 815     case PHYSICALWIDTH:
 816         if(Escape(hdc, GETPHYSPAGESIZE, 0, NULL, (LPVOID)&pt) > 0) ret = pt.x;
 817         break;
 818     case PHYSICALHEIGHT:
 819         if(Escape(hdc, GETPHYSPAGESIZE, 0, NULL, (LPVOID)&pt) > 0) ret = pt.y;
 820         break;
 821     case PHYSICALOFFSETX:
 822         if(Escape(hdc, GETPRINTINGOFFSET, 0, NULL, (LPVOID)&pt) > 0) ret = pt.x;
 823         break;
 824     case PHYSICALOFFSETY:
 825         if(Escape(hdc, GETPRINTINGOFFSET, 0, NULL, (LPVOID)&pt) > 0) ret = pt.y;
 826         break;
 827     case SCALINGFACTORX:
 828         if(Escape(hdc, GETSCALINGFACTOR, 0, NULL, (LPVOID)&pt) > 0) ret = pt.x;
 829         break;
 830     case SCALINGFACTORY:
 831         if(Escape(hdc, GETSCALINGFACTOR, 0, NULL, (LPVOID)&pt) > 0) ret = pt.y;
 832         break;
 833     default:
 834         if ((cap < 0) || (cap > sizeof(DeviceCaps)-sizeof(WORD))) break;
 835
 836         if (((cap>=46) && (cap<88)) || ((cap>=92) && (cap<104)))
 837             FIXME("(%04x,%d): unsupported DeviceCaps capability, will yield 0!\n",
 838                   hdc,cap );
 839         ret = *(WORD *)(((char *)dc->w.devCaps) + cap);
 840
 841         if ((cap == NUMCOLORS) && (ret == 0xffff))
 842             ret = -1;
 843         break;
 844     }
 845
 846     TRACE("(%04x,%d): returning %d\n", hdc, cap, ret );
 847     GDI_ReleaseObj( hdc );
 848     return ret;
 849 }
 850
 851
 852 /***********************************************************************
 853  *           SetBkColor16    (GDI.1)
 854  */
 855 COLORREF WINAPI SetBkColor16( HDC16 hdc, COLORREF color )
 856 {
 857     return SetBkColor( hdc, color );
 858 }
 859
 860
 861 /***********************************************************************
 862  *           SetBkColor    (GDI32.305)
 863  */
 864 COLORREF WINAPI SetBkColor( HDC hdc, COLORREF color )
 865 {
 866     COLORREF oldColor;
 867     DC * dc = DC_GetDCPtr( hdc );
 868
 869     if (!dc) return 0x80000000;
 870     if (dc->funcs->pSetBkColor)
 871         oldColor = dc->funcs->pSetBkColor(dc, color);
 872     else {
 873         oldColor = dc->w.backgroundColor;
 874         dc->w.backgroundColor = color;
 875     }
 876     GDI_ReleaseObj( hdc );
 877     return oldColor;
 878 }
 879
 880
 881 /***********************************************************************
 882  *           SetTextColor16    (GDI.9)
 883  */
 884 COLORREF WINAPI SetTextColor16( HDC16 hdc, COLORREF color )
 885 {
 886     return SetTextColor( hdc, color );
 887 }
 888
 889
 890 /***********************************************************************
 891  *           SetTextColor    (GDI32.338)
 892  */
 893 COLORREF WINAPI SetTextColor( HDC hdc, COLORREF color )
 894 {
 895     COLORREF oldColor;
 896     DC * dc = DC_GetDCPtr( hdc );
 897
 898     if (!dc) return 0x80000000;
 899     if (dc->funcs->pSetTextColor)
 900         oldColor = dc->funcs->pSetTextColor(dc, color);
 901     else {
 902         oldColor = dc->w.textColor;
 903         dc->w.textColor = color;
 904     }
 905     GDI_ReleaseObj( hdc );
 906     return oldColor;
 907 }
 908
 909 /***********************************************************************
 910  *           SetTextAlign16    (GDI.346)
 911  */
 912 UINT16 WINAPI SetTextAlign16( HDC16 hdc, UINT16 align )
 913 {
 914     return SetTextAlign( hdc, align );
 915 }
 916
 917
 918 /***********************************************************************
 919  *           SetTextAlign    (GDI32.336)
 920  */
 921 UINT WINAPI SetTextAlign( HDC hdc, UINT align )
 922 {
 923     UINT prevAlign;
 924     DC *dc = DC_GetDCPtr( hdc );
 925     if (!dc) return 0x0;
 926     if (dc->funcs->pSetTextAlign)
 927         prevAlign = dc->funcs->pSetTextAlign(dc, align);
 928     else {
 929         prevAlign = dc->w.textAlign;
 930         dc->w.textAlign = align;
 931     }
 932     GDI_ReleaseObj( hdc );
 933     return prevAlign;
 934 }
 935
 936 /***********************************************************************
 937  *           GetDCOrgEx  (GDI32.168)
 938  */
 939 BOOL WINAPI GetDCOrgEx( HDC hDC, LPPOINT lpp )
 940 {
 941     DC * dc;
 942
 943     if (!lpp) return FALSE;
 944     if (!(dc = (DC *) GDI_GetObjPtr( hDC, DC_MAGIC ))) return FALSE;
 945
 946     lpp->x = lpp->y = 0;
 947     if (dc->funcs->pGetDCOrgEx) dc->funcs->pGetDCOrgEx( dc, lpp );
 948     lpp->x += dc->w.DCOrgX;
 949     lpp->y += dc->w.DCOrgY;
 950     GDI_ReleaseObj( hDC );
 951     return TRUE;
 952 }
 953
 954
 955 /***********************************************************************
 956  *           GetDCOrg    (GDI.79)
 957  */
 958 DWORD WINAPI GetDCOrg16( HDC16 hdc )
 959 {
 960     POINT       pt;
 961     if( GetDCOrgEx( hdc, &pt) )
 962         return MAKELONG( (WORD)pt.x, (WORD)pt.y );
 963     return 0;
 964 }
 965
 966
 967 /***********************************************************************
 968  *           SetDCOrg    (GDI.117)
 969  */
 970 DWORD WINAPI SetDCOrg16( HDC16 hdc, INT16 x, INT16 y )
 971 {
 972     DWORD prevOrg;
 973     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 974     if (!dc) return 0;
 975     prevOrg = dc->w.DCOrgX | (dc->w.DCOrgY << 16);
 976     dc->w.DCOrgX = x;
 977     dc->w.DCOrgY = y;
 978     GDI_ReleaseObj( hdc );
 979     return prevOrg;
 980 }
 981
 982
 983 /***********************************************************************
 984  *           SetGraphicsMode    (GDI32.317)
 985  */
 986 INT WINAPI SetGraphicsMode( HDC hdc, INT mode )
 987 {
 988     INT ret = 0;
 989     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 990
 991     /* One would think that setting the graphics mode to GM_COMPATIBLE
 992      * would also reset the world transformation matrix to the unity
 993      * matrix. However, in Windows, this is not the case. This doesn't
 994      * make a lot of sense to me, but that's the way it is.
 995      */
 996
 997     if (!dc) return 0;
 998     if ((mode > 0) || (mode <= GM_LAST))
 999     {
1000     ret = dc->w.GraphicsMode;
1001     dc->w.GraphicsMode = mode;
1002 }
1003     GDI_ReleaseObj( hdc );
1004     return ret;
1005 }
1006
1007
1008 /***********************************************************************
1009  *           SetArcDirection16    (GDI.525)
1010  */
1011 INT16 WINAPI SetArcDirection16( HDC16 hdc, INT16 nDirection )
1012 {
1013     return SetArcDirection( (HDC)hdc, (INT)nDirection );
1014 }
1015
1016
1017 /***********************************************************************
1018  *           SetArcDirection    (GDI32.302)
1019  */
1020 INT WINAPI SetArcDirection( HDC hdc, INT nDirection )
1021 {
1022     DC * dc;
1023     INT nOldDirection = 0;
1024
1025     if (nDirection!=AD_COUNTERCLOCKWISE && nDirection!=AD_CLOCKWISE)
1026     {
1027         SetLastError(ERROR_INVALID_PARAMETER);
1028         return 0;
1029     }
1030
1031     if ((dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC )))
1032     {
1033     nOldDirection = dc->w.ArcDirection;
1034     dc->w.ArcDirection = nDirection;
1035         GDI_ReleaseObj( hdc );
1036     }
1037     return nOldDirection;
1038 }
1039
1040
1041 /***********************************************************************
1042  *           GetWorldTransform    (GDI32.244)
1043  */
1044 BOOL WINAPI GetWorldTransform( HDC hdc, LPXFORM xform )
1045 {
1046     DC * dc;
1047     if (!xform) return FALSE;
1048     if (!(dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC ))) return FALSE;
1049     *xform = dc->w.xformWorld2Wnd;
1050     GDI_ReleaseObj( hdc );
1051     return TRUE;
1052 }
1053
1054
1055 /***********************************************************************
1056  *           SetWorldTransform    (GDI32.346)
1057  */
1058 BOOL WINAPI SetWorldTransform( HDC hdc, const XFORM *xform )
1059 {
1060     BOOL ret = FALSE;
1061     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
1062
1063     if (!dc)
1064     {
1065         SetLastError( ERROR_INVALID_HANDLE );
1066         return FALSE;
1067     }
1068
1069     if (!xform) goto done;
1070
1071     /* Check that graphics mode is GM_ADVANCED */
1072     if (dc->w.GraphicsMode!=GM_ADVANCED) goto done;
1073
1074     dc->w.xformWorld2Wnd = *xform;
1075     DC_UpdateXforms( dc );
1076     ret = TRUE;
1077  done:
1078     GDI_ReleaseObj( hdc );
1079     return ret;
1080 }
1081
1082
1083 /****************************************************************************
1084  * ModifyWorldTransform [GDI32.253]
1085  * Modifies the world transformation for a device context.
1086  *
1087  * PARAMS
1088  *    hdc   [I] Handle to device context
1089  *    xform [I] XFORM structure that will be used to modify the world
1090  *              transformation
1091  *    iMode [I] Specifies in what way to modify the world transformation
1092  *              Possible values:
1093  *              MWT_IDENTITY
1094  *                 Resets the world transformation to the identity matrix.
1095  *                 The parameter xform is ignored.
1096  *              MWT_LEFTMULTIPLY
1097  *                 Multiplies xform into the world transformation matrix from
1098  *                 the left.
1099  *              MWT_RIGHTMULTIPLY
1100  *                 Multiplies xform into the world transformation matrix from
1101  *                 the right.
1102  *
1103  * RETURNS STD
1104  */
1105 BOOL WINAPI ModifyWorldTransform( HDC hdc, const XFORM *xform,
1106     DWORD iMode )
1107 {
1108     BOOL ret = FALSE;
1109     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
1110
1111     /* Check for illegal parameters */
1112     if (!dc)
1113     {
1114         SetLastError( ERROR_INVALID_HANDLE );
1115         return FALSE;
1116     }
1117     if (!xform) goto done;
1118
1119     /* Check that graphics mode is GM_ADVANCED */
1120     if (dc->w.GraphicsMode!=GM_ADVANCED) goto done;
1121
1122     switch (iMode)
1123     {
1124         case MWT_IDENTITY:
1125             dc->w.xformWorld2Wnd.eM11 = 1.0f;
1126             dc->w.xformWorld2Wnd.eM12 = 0.0f;
1127             dc->w.xformWorld2Wnd.eM21 = 0.0f;
1128             dc->w.xformWorld2Wnd.eM22 = 1.0f;
1129             dc->w.xformWorld2Wnd.eDx  = 0.0f;
1130             dc->w.xformWorld2Wnd.eDy  = 0.0f;
1131             break;
1132         case MWT_LEFTMULTIPLY:
1133             CombineTransform( &dc->w.xformWorld2Wnd, xform,
1134                 &dc->w.xformWorld2Wnd );
1135             break;
1136         case MWT_RIGHTMULTIPLY:
1137             CombineTransform( &dc->w.xformWorld2Wnd, &dc->w.xformWorld2Wnd,
1138                 xform );
1139             break;
1140         default:
1141             goto done;
1142     }
1143
1144     DC_UpdateXforms( dc );
1145     ret = TRUE;
1146  done:
1147     GDI_ReleaseObj( hdc );
1148     return ret;
1149 }
1150
1151
1152 /****************************************************************************
1153  * CombineTransform [GDI32.20]
1154  * Combines two transformation matrices.
1155  *
1156  * PARAMS
1157  *    xformResult [O] Stores the result of combining the two matrices
1158  *    xform1      [I] Specifies the first matrix to apply
1159  *    xform2      [I] Specifies the second matrix to apply
1160  *
1161  * REMARKS
1162  *    The same matrix can be passed in for more than one of the parameters.
1163  *
1164  * RETURNS STD
1165  */
1166 BOOL WINAPI CombineTransform( LPXFORM xformResult, const XFORM *xform1,
1167     const XFORM *xform2 )
1168 {
1169     XFORM xformTemp;
1170
1171     /* Check for illegal parameters */
1172     if (!xformResult || !xform1 || !xform2)
1173         return FALSE;
1174
1175     /* Create the result in a temporary XFORM, since xformResult may be
1176      * equal to xform1 or xform2 */
1177     xformTemp.eM11 = xform1->eM11 * xform2->eM11 +
1178                      xform1->eM12 * xform2->eM21;
1179     xformTemp.eM12 = xform1->eM11 * xform2->eM12 +
1180                      xform1->eM12 * xform2->eM22;
1181     xformTemp.eM21 = xform1->eM21 * xform2->eM11 +
1182                      xform1->eM22 * xform2->eM21;
1183     xformTemp.eM22 = xform1->eM21 * xform2->eM12 +
1184                      xform1->eM22 * xform2->eM22;
1185     xformTemp.eDx  = xform1->eDx  * xform2->eM11 +
1186                      xform1->eDy  * xform2->eM21 +
1187                      xform2->eDx;
1188     xformTemp.eDy  = xform1->eDx  * xform2->eM12 +
1189                      xform1->eDy  * xform2->eM22 +
1190                      xform2->eDy;
1191
1192     /* Copy the result to xformResult */
1193     *xformResult = xformTemp;
1194
1195     return TRUE;
1196 }
1197
1198
1199 /***********************************************************************
1200  *           SetDCHook   (GDI.190)
1201  */
1202 /* ### start build ### */
1203 extern WORD CALLBACK GDI_CallTo16_word_wwll(FARPROC16,WORD,WORD,LONG,LONG);
1204 /* ### stop build ### */
1205 BOOL16 WINAPI SetDCHook( HDC16 hdc, FARPROC16 hookProc, DWORD dwHookData )
1206 {
1207     DC *dc = (DC *)GDI_GetObjPtr( hdc, DC_MAGIC );
1208     if (!dc) return FALSE;
1209
1210     /*
1211      * Note: We store the original SEGPTR 'hookProc' as we need to be
1212      *       able to return it verbatim in GetDCHook,
1213      *
1214      *       On the other hand, we still call THUNK_Alloc and store the
1215      *       32-bit thunk into another DC member, because THUNK_Alloc
1216      *       recognizes the (typical) case that the 'hookProc' is indeed
1217      *       the 16-bit API entry point of a built-in routine (e.g. DCHook16)
1218      *
1219      *       We could perform that test every time the hook is about to
1220      *       be called (or else we could live with the 32->16->32 detour),
1221      *       but this way is the most efficient ...
1222      */
1223
1224     dc->hookProc = hookProc;
1225     dc->dwHookData = dwHookData;
1226
1227     THUNK_Free( (FARPROC)dc->hookThunk );
1228     dc->hookThunk = (DCHOOKPROC)
1229                     THUNK_Alloc( hookProc, (RELAY)GDI_CallTo16_word_wwll );
1230
1231     GDI_ReleaseObj( hdc );
1232     return TRUE;
1233 }
1234
1235
1236 /***********************************************************************
1237  *           GetDCHook   (GDI.191)
1238  */
1239 DWORD WINAPI GetDCHook( HDC16 hdc, FARPROC16 *phookProc )
1240 {
1241     DC *dc = (DC *)GDI_GetObjPtr( hdc, DC_MAGIC );
1242     if (!dc) return 0;
1243     *phookProc = dc->hookProc;
1244     GDI_ReleaseObj( hdc );
1245     return dc->dwHookData;
1246 }
1247
1248
1249 /***********************************************************************
1250  *           SetHookFlags       (GDI.192)
1251  */
1252 WORD WINAPI SetHookFlags16(HDC16 hDC, WORD flags)
1253 {
1254     DC* dc = (DC*)GDI_GetObjPtr( hDC, DC_MAGIC );
1255
1256     if( dc )
1257     {
1258         WORD wRet = dc->w.flags & DC_DIRTY;
1259
1260         /* "Undocumented Windows" info is slightly confusing.
1261          */
1262
1263         TRACE("hDC %04x, flags %04x\n",hDC,flags);
1264
1265         if( flags & DCHF_INVALIDATEVISRGN )
1266             dc->w.flags |= DC_DIRTY;
1267         else if( flags & DCHF_VALIDATEVISRGN || !flags )
1268             dc->w.flags &= ~DC_DIRTY;
1269         GDI_ReleaseObj( hDC );
1270         return wRet;
1271     }
1272     return 0;
1273 }
1274
1275 /***********************************************************************
1276  *           SetICMMode    (GDI32.318)
1277  */
1278 INT WINAPI SetICMMode(HDC hdc, INT iEnableICM)
1279 {
1280 /*FIXME  Asuming that ICM is always off, and cannot be turned on */
1281     if (iEnableICM == ICM_OFF) return ICM_OFF;
1282     if (iEnableICM == ICM_ON) return 0;
1283     if (iEnableICM == ICM_QUERY) return ICM_OFF;
1284     return 0;
1285 }
1286
1287 /***********************************************************************
1288  *           GetDeviceGammaRamp    (GDI32.*)
1289  */
1290 BOOL WINAPI GetDeviceGammaRamp(HDC hdc,LPVOID ptr) {
1291     FIXME("(%x,%p), empty stub!\n",hdc,ptr);
1292     return FALSE;
1293 }
1294
1295 /***********************************************************************
1296  *           GetColorSpace    (GDI32.165)
1297  */
1298 HCOLORSPACE WINAPI GetColorSpace(HDC hdc)
1299 {
1300 /*FIXME    Need to to whatever GetColorSpace actually does */
1301     return 0;
1302 }
1303
1304 /***********************************************************************
1305  *           CreateColorSpaceA    (GDI32.???)
1306  */
1307 HCOLORSPACE WINAPI CreateColorSpaceA( LPLOGCOLORSPACEA lpLogColorSpace )
1308 {
1309   FIXME( "stub\n" );
1310   return 0;
1311 }
1312
1313 /***********************************************************************
1314  *           CreateColorSpaceW    (GDI32.???)
1315  */
1316 HCOLORSPACE WINAPI CreateColorSpaceW( LPLOGCOLORSPACEW lpLogColorSpace )
1317 {
1318   FIXME( "stub\n" );
1319   return 0;
1320 }
1321
1322 /***********************************************************************
1323  *           DeleteColorSpace     (GDI32.???)
1324  */
1325 BOOL WINAPI DeleteColorSpace( HCOLORSPACE hColorSpace )
1326 {
1327   FIXME( "stub\n" );
1328
1329   return TRUE;
1330 }
1331
1332 /***********************************************************************
1333  *           SetColorSpace     (GDI32.???)
1334  */
1335 HCOLORSPACE WINAPI SetColorSpace( HDC hDC, HCOLORSPACE hColorSpace )
1336 {
1337   FIXME( "stub\n" );
1338
1339   return hColorSpace;
1340 }
1341
1342 /***********************************************************************
1343  *           GetBoundsRect16    (GDI.194)
1344  */
1345 UINT16 WINAPI GetBoundsRect16(HDC16 hdc, LPRECT16 rect, UINT16 flags)
1346 {
1347     return DCB_RESET | DCB_DISABLE; /* bounding rectangle always empty and disabled*/
1348 }
1349
1350 /***********************************************************************
1351  *           GetBoundsRect    (GDI32.147)
1352  */
1353 UINT WINAPI GetBoundsRect(HDC hdc, LPRECT rect, UINT flags)
1354 {
1355     FIXME("(): stub\n");
1356     return DCB_RESET;   /* bounding rectangle always empty */
1357 }
1358
1359 /***********************************************************************
1360  *           SetBoundsRect16    (GDI.193)
1361  */
1362 UINT16 WINAPI SetBoundsRect16(HDC16 hdc, const RECT16* rect, UINT16 flags)
1363 {
1364     if ( (flags & DCB_ACCUMULATE) || (flags & DCB_ENABLE) )
1365         FIXME("(%04x, %p, %04x): stub\n", hdc, rect, flags );
1366
1367     return DCB_RESET | DCB_DISABLE; /* bounding rectangle always empty and disabled*/
1368 }
1369
1370 /***********************************************************************
1371  *           SetBoundsRect    (GDI32.307)
1372  */
1373 UINT WINAPI SetBoundsRect(HDC hdc, const RECT* rect, UINT flags)
1374 {
1375     FIXME("(): stub\n");
1376     return DCB_DISABLE;   /* bounding rectangle always empty */
1377 }
1378
1379
1380 /***********************************************************************
1381  *              GetRelAbs               (GDI32.218)
1382  */
1383 INT WINAPI GetRelAbs( HDC hdc, DWORD dwIgnore )
1384 {
1385     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
1386     if (!dc) return 0;
1387     return dc->w.relAbsMode;
1388 }
1389
1390 /***********************************************************************
1391  *           Death    (GDI.121)
1392  *
1393  * Disables GDI, switches back to text mode.
1394  * We don't have to do anything here,
1395  * just let console support handle everything
1396  */
1397 void WINAPI Death16(HDC16 hDC)
1398 {
1399     MESSAGE("Death(%04x) called. Application enters text mode...\n", hDC);
1400 }
1401
1402 /***********************************************************************
1403  *           Resurrection    (GDI.122)
1404  *
1405  * Restores GDI functionality
1406  */
1407 void WINAPI Resurrection16(HDC16 hDC,
1408                            WORD w1, WORD w2, WORD w3, WORD w4, WORD w5, WORD w6)
1409 {
1410     MESSAGE("Resurrection(%04x, %04x, %04x, %04x, %04x, %04x, %04x) called. Application left text mode.\n", hDC, w1, w2, w3, w4, w5, w6);
1411 }
1412
1413 /***********************************************************************
1414  *           GetLayout    (GDI32.321)
1415  *
1416  * Gets left->right or right->left text layout flags of a dc.
1417  * win98 just returns 0 and sets ERROR_CALL_NOT_IMPLEMENTED so we do the same
1418  *
1419  */
1420 DWORD WINAPI GetLayout(HDC hdc)
1421 {
1422     FIXME("(%08x): stub\n", hdc);
1423     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1424     return 0;
1425 }
1426
1427 /***********************************************************************
1428  *           SetLayout    (GDI32.450)
1429  *
1430  * Sets left->right or right->left text layout flags of a dc.
1431  * win98 just returns 0 and sets ERROR_CALL_NOT_IMPLEMENTED so we do the same
1432  *
1433  */
1434 DWORD WINAPI SetLayout(HDC hdc, DWORD layout)
1435 {
1436     FIXME("(%08x,%08lx): stub\n", hdc, layout);
1437     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1438     return 0;
1439 }