objects/dc.c

   1 /*
   2  * GDI Device Context functions
   3  *
   4  * Copyright 1993 Alexandre Julliard
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <stdlib.h>
  24 #include <string.h>
  25 #include "windef.h"
  26 #include "wingdi.h"
  27 #include "winerror.h"
  28 #include "wownt32.h"
  29 #include "wine/winuser16.h"
  30 #include "gdi.h"
  31 #include "heap.h"
  32 #include "font.h"
  33 #include "wine/debug.h"
  34
  35 WINE_DEFAULT_DEBUG_CHANNEL(dc);
  36
  37 /* ### start build ### */
  38 extern WORD CALLBACK GDI_CallTo16_word_wwll(FARPROC16,WORD,WORD,LONG,LONG);
  39 /* ### stop build ### */
  40
  41 static BOOL DC_DeleteObject( HGDIOBJ handle, void *obj );
  42
  43 static const struct gdi_obj_funcs dc_funcs =
  44 {
  45     NULL,             /* pSelectObject */
  46     NULL,             /* pGetObject16 */
  47     NULL,             /* pGetObjectA */
  48     NULL,             /* pGetObjectW */
  49     NULL,             /* pUnrealizeObject */
  50     DC_DeleteObject   /* pDeleteObject */
  51 };
  52
  53 /***********************************************************************
  54  *           DC_AllocDC
  55  */
  56 DC *DC_AllocDC( const DC_FUNCTIONS *funcs )
  57 {
  58     HDC hdc;
  59     DC *dc;
  60
  61     if (!(dc = GDI_AllocObject( sizeof(*dc), DC_MAGIC, (HGDIOBJ*)&hdc, &dc_funcs ))) return NULL;
  62
  63     dc->hSelf               = hdc;
  64     dc->funcs               = funcs;
  65     dc->physDev             = NULL;
  66     dc->saveLevel           = 0;
  67     dc->dwHookData          = 0;
  68     dc->hookProc            = NULL;
  69     dc->hookThunk           = NULL;
  70     dc->wndOrgX             = 0;
  71     dc->wndOrgY             = 0;
  72     dc->wndExtX             = 1;
  73     dc->wndExtY             = 1;
  74     dc->vportOrgX           = 0;
  75     dc->vportOrgY           = 0;
  76     dc->vportExtX           = 1;
  77     dc->vportExtY           = 1;
  78     dc->flags               = 0;
  79     dc->hClipRgn            = 0;
  80     dc->hVisRgn             = 0;
  81     dc->hGCClipRgn          = 0;
  82     dc->hPen                = GetStockObject( BLACK_PEN );
  83     dc->hBrush              = GetStockObject( WHITE_BRUSH );
  84     dc->hFont               = GetStockObject( SYSTEM_FONT );
  85     dc->hBitmap             = 0;
  86     dc->hDevice             = 0;
  87     dc->hPalette            = GetStockObject( DEFAULT_PALETTE );
  88     dc->gdiFont             = 0;
  89     dc->ROPmode             = R2_COPYPEN;
  90     dc->polyFillMode        = ALTERNATE;
  91     dc->stretchBltMode      = BLACKONWHITE;
  92     dc->relAbsMode          = ABSOLUTE;
  93     dc->backgroundMode      = OPAQUE;
  94     dc->backgroundColor     = RGB( 255, 255, 255 );
  95     dc->textColor           = RGB( 0, 0, 0 );
  96     dc->brushOrgX           = 0;
  97     dc->brushOrgY           = 0;
  98     dc->textAlign           = TA_LEFT | TA_TOP | TA_NOUPDATECP;
  99     dc->charExtra           = 0;
 100     dc->breakTotalExtra     = 0;
 101     dc->breakCount          = 0;
 102     dc->breakExtra          = 0;
 103     dc->breakRem            = 0;
 104     dc->totalExtent.left    = 0;
 105     dc->totalExtent.top     = 0;
 106     dc->totalExtent.right   = 0;
 107     dc->totalExtent.bottom  = 0;
 108     dc->bitsPerPixel        = 1;
 109     dc->MapMode             = MM_TEXT;
 110     dc->GraphicsMode        = GM_COMPATIBLE;
 111     dc->pAbortProc          = NULL;
 112     dc->CursPosX            = 0;
 113     dc->CursPosY            = 0;
 114     dc->ArcDirection        = AD_COUNTERCLOCKWISE;
 115     dc->xformWorld2Wnd.eM11 = 1.0f;
 116     dc->xformWorld2Wnd.eM12 = 0.0f;
 117     dc->xformWorld2Wnd.eM21 = 0.0f;
 118     dc->xformWorld2Wnd.eM22 = 1.0f;
 119     dc->xformWorld2Wnd.eDx  = 0.0f;
 120     dc->xformWorld2Wnd.eDy  = 0.0f;
 121     dc->xformWorld2Vport    = dc->xformWorld2Wnd;
 122     dc->xformVport2World    = dc->xformWorld2Wnd;
 123     dc->vport2WorldValid    = TRUE;
 124     PATH_InitGdiPath(&dc->path);
 125     return dc;
 126 }
 127
 128
 129
 130 /***********************************************************************
 131  *           DC_GetDCPtr
 132  */
 133 DC *DC_GetDCPtr( HDC hdc )
 134 {
 135     GDIOBJHDR *ptr = GDI_GetObjPtr( hdc, MAGIC_DONTCARE );
 136     if (!ptr) return NULL;
 137     if ((GDIMAGIC(ptr->wMagic) == DC_MAGIC) ||
 138         (GDIMAGIC(ptr->wMagic) == METAFILE_DC_MAGIC) ||
 139         (GDIMAGIC(ptr->wMagic) == ENHMETAFILE_DC_MAGIC))
 140         return (DC *)ptr;
 141     GDI_ReleaseObj( hdc );
 142     SetLastError( ERROR_INVALID_HANDLE );
 143     return NULL;
 144 }
 145
 146 /***********************************************************************
 147  *           DC_GetDCUpdate
 148  *
 149  * Retrieve a DC ptr while making sure the visRgn is updated.
 150  * This function may call up to USER so the GDI lock should _not_
 151  * be held when calling it.
 152  */
 153 DC *DC_GetDCUpdate( HDC hdc )
 154 {
 155     DC *dc = DC_GetDCPtr( hdc );
 156     if (!dc) return NULL;
 157     while (dc->flags & DC_DIRTY)
 158     {
 159         dc->flags &= ~DC_DIRTY;
 160         if (!(dc->flags & (DC_SAVED | DC_MEMORY)))
 161         {
 162             DCHOOKPROC proc = dc->hookThunk;
 163             if (proc)
 164             {
 165                 DWORD data = dc->dwHookData;
 166                 GDI_ReleaseObj( hdc );
 167                 proc( HDC_16(hdc), DCHC_INVALIDVISRGN, data, 0 );
 168                 if (!(dc = DC_GetDCPtr( hdc ))) break;
 169                 /* otherwise restart the loop in case it became dirty again in the meantime */
 170             }
 171         }
 172     }
 173     return dc;
 174 }
 175
 176
 177 /***********************************************************************
 178  *           DC_DeleteObject
 179  */
 180 static BOOL DC_DeleteObject( HGDIOBJ handle, void *obj )
 181 {
 182     GDI_ReleaseObj( handle );
 183     return DeleteDC( handle );
 184 }
 185
 186
 187 /***********************************************************************
 188  *           DC_InitDC
 189  *
 190  * Setup device-specific DC values for a newly created DC.
 191  */
 192 void DC_InitDC( DC* dc )
 193 {
 194     if (dc->funcs->pRealizeDefaultPalette) dc->funcs->pRealizeDefaultPalette( dc->physDev );
 195     SetTextColor( dc->hSelf, dc->textColor );
 196     SetBkColor( dc->hSelf, dc->backgroundColor );
 197     SelectObject( dc->hSelf, dc->hPen );
 198     SelectObject( dc->hSelf, dc->hBrush );
 199     SelectObject( dc->hSelf, dc->hFont );
 200     CLIPPING_UpdateGCRegion( dc );
 201 }
 202
 203
 204 /***********************************************************************
 205  *           DC_InvertXform
 206  *
 207  * Computes the inverse of the transformation xformSrc and stores it to
 208  * xformDest. Returns TRUE if successful or FALSE if the xformSrc matrix
 209  * is singular.
 210  */
 211 static BOOL DC_InvertXform( const XFORM *xformSrc, XFORM *xformDest )
 212 {
 213     FLOAT determinant;
 214
 215     determinant = xformSrc->eM11*xformSrc->eM22 -
 216         xformSrc->eM12*xformSrc->eM21;
 217     if (determinant > -1e-12 && determinant < 1e-12)
 218         return FALSE;
 219
 220     xformDest->eM11 =  xformSrc->eM22 / determinant;
 221     xformDest->eM12 = -xformSrc->eM12 / determinant;
 222     xformDest->eM21 = -xformSrc->eM21 / determinant;
 223     xformDest->eM22 =  xformSrc->eM11 / determinant;
 224     xformDest->eDx  = -xformSrc->eDx * xformDest->eM11 -
 225                        xformSrc->eDy * xformDest->eM21;
 226     xformDest->eDy  = -xformSrc->eDx * xformDest->eM12 -
 227                        xformSrc->eDy * xformDest->eM22;
 228
 229     return TRUE;
 230 }
 231
 232
 233 /***********************************************************************
 234  *           DC_UpdateXforms
 235  *
 236  * Updates the xformWorld2Vport, xformVport2World and vport2WorldValid
 237  * fields of the specified DC by creating a transformation that
 238  * represents the current mapping mode and combining it with the DC's
 239  * world transform. This function should be called whenever the
 240  * parameters associated with the mapping mode (window and viewport
 241  * extents and origins) or the world transform change.
 242  */
 243 void DC_UpdateXforms( DC *dc )
 244 {
 245     XFORM xformWnd2Vport;
 246     FLOAT scaleX, scaleY;
 247
 248     /* Construct a transformation to do the window-to-viewport conversion */
 249     scaleX = (FLOAT)dc->vportExtX / (FLOAT)dc->wndExtX;
 250     scaleY = (FLOAT)dc->vportExtY / (FLOAT)dc->wndExtY;
 251     xformWnd2Vport.eM11 = scaleX;
 252     xformWnd2Vport.eM12 = 0.0;
 253     xformWnd2Vport.eM21 = 0.0;
 254     xformWnd2Vport.eM22 = scaleY;
 255     xformWnd2Vport.eDx  = (FLOAT)dc->vportOrgX -
 256         scaleX * (FLOAT)dc->wndOrgX;
 257     xformWnd2Vport.eDy  = (FLOAT)dc->vportOrgY -
 258         scaleY * (FLOAT)dc->wndOrgY;
 259
 260     /* Combine with the world transformation */
 261     CombineTransform( &dc->xformWorld2Vport, &dc->xformWorld2Wnd,
 262         &xformWnd2Vport );
 263
 264     /* Create inverse of world-to-viewport transformation */
 265     dc->vport2WorldValid = DC_InvertXform( &dc->xformWorld2Vport,
 266         &dc->xformVport2World );
 267 }
 268
 269
 270 /***********************************************************************
 271  *           GetDCState   (Not a Windows API)
 272  */
 273 HDC WINAPI GetDCState( HDC hdc )
 274 {
 275     DC * newdc, * dc;
 276     HGDIOBJ handle;
 277
 278     if (!(dc = DC_GetDCPtr( hdc ))) return 0;
 279     if (!(newdc = GDI_AllocObject( sizeof(DC), DC_MAGIC, &handle, &dc_funcs )))
 280     {
 281       GDI_ReleaseObj( hdc );
 282       return 0;
 283     }
 284     TRACE("(%p): returning %p\n", hdc, handle );
 285
 286     newdc->flags            = dc->flags | DC_SAVED;
 287     newdc->hPen             = dc->hPen;
 288     newdc->hBrush           = dc->hBrush;
 289     newdc->hFont            = dc->hFont;
 290     newdc->hBitmap          = dc->hBitmap;
 291     newdc->hDevice          = dc->hDevice;
 292     newdc->hPalette         = dc->hPalette;
 293     newdc->totalExtent      = dc->totalExtent;
 294     newdc->bitsPerPixel     = dc->bitsPerPixel;
 295     newdc->ROPmode          = dc->ROPmode;
 296     newdc->polyFillMode     = dc->polyFillMode;
 297     newdc->stretchBltMode   = dc->stretchBltMode;
 298     newdc->relAbsMode       = dc->relAbsMode;
 299     newdc->backgroundMode   = dc->backgroundMode;
 300     newdc->backgroundColor  = dc->backgroundColor;
 301     newdc->textColor        = dc->textColor;
 302     newdc->brushOrgX        = dc->brushOrgX;
 303     newdc->brushOrgY        = dc->brushOrgY;
 304     newdc->textAlign        = dc->textAlign;
 305     newdc->charExtra        = dc->charExtra;
 306     newdc->breakTotalExtra  = dc->breakTotalExtra;
 307     newdc->breakCount       = dc->breakCount;
 308     newdc->breakExtra       = dc->breakExtra;
 309     newdc->breakRem         = dc->breakRem;
 310     newdc->MapMode          = dc->MapMode;
 311     newdc->GraphicsMode     = dc->GraphicsMode;
 312     newdc->CursPosX         = dc->CursPosX;
 313     newdc->CursPosY         = dc->CursPosY;
 314     newdc->ArcDirection     = dc->ArcDirection;
 315     newdc->xformWorld2Wnd   = dc->xformWorld2Wnd;
 316     newdc->xformWorld2Vport = dc->xformWorld2Vport;
 317     newdc->xformVport2World = dc->xformVport2World;
 318     newdc->vport2WorldValid = dc->vport2WorldValid;
 319     newdc->wndOrgX          = dc->wndOrgX;
 320     newdc->wndOrgY          = dc->wndOrgY;
 321     newdc->wndExtX          = dc->wndExtX;
 322     newdc->wndExtY          = dc->wndExtY;
 323     newdc->vportOrgX        = dc->vportOrgX;
 324     newdc->vportOrgY        = dc->vportOrgY;
 325     newdc->vportExtX        = dc->vportExtX;
 326     newdc->vportExtY        = dc->vportExtY;
 327
 328     newdc->hSelf = (HDC)handle;
 329     newdc->saveLevel = 0;
 330
 331     PATH_InitGdiPath( &newdc->path );
 332
 333     newdc->pAbortProc = NULL;
 334     newdc->hookThunk  = NULL;
 335     newdc->hookProc   = 0;
 336
 337     /* Get/SetDCState() don't change hVisRgn field ("Undoc. Windows" p.559). */
 338
 339     newdc->hGCClipRgn = newdc->hVisRgn = 0;
 340     if (dc->hClipRgn)
 341     {
 342         newdc->hClipRgn = CreateRectRgn( 0, 0, 0, 0 );
 343         CombineRgn( newdc->hClipRgn, dc->hClipRgn, 0, RGN_COPY );
 344     }
 345     else
 346         newdc->hClipRgn = 0;
 347
 348     if(dc->gdiFont) {
 349         newdc->gdiFont = dc->gdiFont;
 350     } else
 351         newdc->gdiFont = 0;
 352
 353     GDI_ReleaseObj( handle );
 354     GDI_ReleaseObj( hdc );
 355     return handle;
 356 }
 357
 358
 359 /***********************************************************************
 360  *           SetDCState   (Not a Windows API)
 361  */
 362 void WINAPI SetDCState( HDC hdc, HDC hdcs )
 363 {
 364     DC *dc, *dcs;
 365
 366     if (!(dc = DC_GetDCUpdate( hdc ))) return;
 367     if (!(dcs = DC_GetDCPtr( hdcs )))
 368     {
 369       GDI_ReleaseObj( hdc );
 370       return;
 371     }
 372     if (!dcs->flags & DC_SAVED)
 373     {
 374       GDI_ReleaseObj( hdc );
 375       GDI_ReleaseObj( hdcs );
 376       return;
 377     }
 378     TRACE("%p %p\n", hdc, hdcs );
 379
 380     dc->flags            = dcs->flags & ~(DC_SAVED | DC_DIRTY);
 381     dc->hDevice          = dcs->hDevice;
 382     dc->totalExtent      = dcs->totalExtent;
 383     dc->ROPmode          = dcs->ROPmode;
 384     dc->polyFillMode     = dcs->polyFillMode;
 385     dc->stretchBltMode   = dcs->stretchBltMode;
 386     dc->relAbsMode       = dcs->relAbsMode;
 387     dc->backgroundMode   = dcs->backgroundMode;
 388     dc->backgroundColor  = dcs->backgroundColor;
 389     dc->textColor        = dcs->textColor;
 390     dc->brushOrgX        = dcs->brushOrgX;
 391     dc->brushOrgY        = dcs->brushOrgY;
 392     dc->textAlign        = dcs->textAlign;
 393     dc->charExtra        = dcs->charExtra;
 394     dc->breakTotalExtra  = dcs->breakTotalExtra;
 395     dc->breakCount       = dcs->breakCount;
 396     dc->breakExtra       = dcs->breakExtra;
 397     dc->breakRem         = dcs->breakRem;
 398     dc->MapMode          = dcs->MapMode;
 399     dc->GraphicsMode     = dcs->GraphicsMode;
 400     dc->CursPosX         = dcs->CursPosX;
 401     dc->CursPosY         = dcs->CursPosY;
 402     dc->ArcDirection     = dcs->ArcDirection;
 403     dc->xformWorld2Wnd   = dcs->xformWorld2Wnd;
 404     dc->xformWorld2Vport = dcs->xformWorld2Vport;
 405     dc->xformVport2World = dcs->xformVport2World;
 406     dc->vport2WorldValid = dcs->vport2WorldValid;
 407
 408     dc->wndOrgX          = dcs->wndOrgX;
 409     dc->wndOrgY          = dcs->wndOrgY;
 410     dc->wndExtX          = dcs->wndExtX;
 411     dc->wndExtY          = dcs->wndExtY;
 412     dc->vportOrgX        = dcs->vportOrgX;
 413     dc->vportOrgY        = dcs->vportOrgY;
 414     dc->vportExtX        = dcs->vportExtX;
 415     dc->vportExtY        = dcs->vportExtY;
 416
 417     if (!(dc->flags & DC_MEMORY)) dc->bitsPerPixel = dcs->bitsPerPixel;
 418
 419     if (dcs->hClipRgn)
 420     {
 421         if (!dc->hClipRgn) dc->hClipRgn = CreateRectRgn( 0, 0, 0, 0 );
 422         CombineRgn( dc->hClipRgn, dcs->hClipRgn, 0, RGN_COPY );
 423     }
 424     else
 425     {
 426         if (dc->hClipRgn) DeleteObject( dc->hClipRgn );
 427         dc->hClipRgn = 0;
 428     }
 429     CLIPPING_UpdateGCRegion( dc );
 430
 431     SelectObject( hdc, dcs->hBitmap );
 432     SelectObject( hdc, dcs->hBrush );
 433     SelectObject( hdc, dcs->hFont );
 434     SelectObject( hdc, dcs->hPen );
 435     SetBkColor( hdc, dcs->backgroundColor);
 436     SetTextColor( hdc, dcs->textColor);
 437     GDISelectPalette( hdc, dcs->hPalette, FALSE );
 438     GDI_ReleaseObj( hdcs );
 439     GDI_ReleaseObj( hdc );
 440 }
 441
 442
 443 /***********************************************************************
 444  *           GetDCState   (GDI.179)
 445  */
 446 HDC16 WINAPI GetDCState16( HDC16 hdc )
 447 {
 448     return HDC_16( GetDCState( HDC_32(hdc) ));
 449 }
 450
 451
 452 /***********************************************************************
 453  *           SetDCState   (GDI.180)
 454  */
 455 void WINAPI SetDCState16( HDC16 hdc, HDC16 hdcs )
 456 {
 457     SetDCState( HDC_32(hdc), HDC_32(hdcs) );
 458 }
 459
 460
 461 /***********************************************************************
 462  *           SaveDC    (GDI32.@)
 463  */
 464 INT WINAPI SaveDC( HDC hdc )
 465 {
 466     HDC hdcs;
 467     DC * dc, * dcs;
 468     INT ret;
 469
 470     dc = DC_GetDCPtr( hdc );
 471     if (!dc) return 0;
 472
 473     if(dc->funcs->pSaveDC)
 474     {
 475         ret = dc->funcs->pSaveDC( dc->physDev );
 476         GDI_ReleaseObj( hdc );
 477         return ret;
 478     }
 479
 480     if (!(hdcs = GetDCState( hdc )))
 481     {
 482       GDI_ReleaseObj( hdc );
 483       return 0;
 484     }
 485     dcs = DC_GetDCPtr( hdcs );
 486
 487     /* Copy path. The reason why path saving / restoring is in SaveDC/
 488      * RestoreDC and not in GetDCState/SetDCState is that the ...DCState
 489      * functions are only in Win16 (which doesn't have paths) and that
 490      * SetDCState doesn't allow us to signal an error (which can happen
 491      * when copying paths).
 492      */
 493     if (!PATH_AssignGdiPath( &dcs->path, &dc->path ))
 494     {
 495         GDI_ReleaseObj( hdc );
 496         GDI_ReleaseObj( hdcs );
 497         DeleteDC( hdcs );
 498         return 0;
 499     }
 500
 501     dcs->header.hNext = dc->header.hNext;
 502     dc->header.hNext = HDC_16(hdcs);
 503     TRACE("(%p): returning %d\n", hdc, dc->saveLevel+1 );
 504     ret = ++dc->saveLevel;
 505     GDI_ReleaseObj( hdcs );
 506     GDI_ReleaseObj( hdc );
 507     return ret;
 508 }
 509
 510
 511 /***********************************************************************
 512  *           RestoreDC    (GDI32.@)
 513  */
 514 BOOL WINAPI RestoreDC( HDC hdc, INT level )
 515 {
 516     DC * dc, * dcs;
 517     BOOL success;
 518
 519     TRACE("%p %d\n", hdc, level );
 520     dc = DC_GetDCUpdate( hdc );
 521     if(!dc) return FALSE;
 522     if(dc->funcs->pRestoreDC)
 523     {
 524         success = dc->funcs->pRestoreDC( dc->physDev, level );
 525         GDI_ReleaseObj( hdc );
 526         return success;
 527     }
 528
 529     if (level == -1) level = dc->saveLevel;
 530     if ((level < 1)
 531             /* This pair of checks disagrees with MSDN "Platform SDK:
 532                Windows GDI" July 2000 which says all negative values
 533                for level will be interpreted as an instance relative
 534                to the current state.  Restricting it to just -1 does
 535                not satisfy this */
 536         || (level > dc->saveLevel))
 537     {
 538         GDI_ReleaseObj( hdc );
 539         return FALSE;
 540     }
 541
 542     success=TRUE;
 543     while (dc->saveLevel >= level)
 544     {
 545         HDC hdcs = HDC_32(dc->header.hNext);
 546         if (!(dcs = DC_GetDCPtr( hdcs )))
 547         {
 548           GDI_ReleaseObj( hdc );
 549           return FALSE;
 550         }
 551         dc->header.hNext = dcs->header.hNext;
 552         if (--dc->saveLevel < level)
 553         {
 554             SetDCState( hdc, hdcs );
 555             if (!PATH_AssignGdiPath( &dc->path, &dcs->path ))
 556                 /* FIXME: This might not be quite right, since we're
 557                  * returning FALSE but still destroying the saved DC state */
 558                 success=FALSE;
 559         }
 560         GDI_ReleaseObj( hdcs );
 561         GDI_ReleaseObj( hdc );
 562         DeleteDC( hdcs );
 563         if (!(dc = DC_GetDCPtr( hdc ))) return FALSE;
 564     }
 565     GDI_ReleaseObj( hdc );
 566     return success;
 567 }
 568
 569
 570 /***********************************************************************
 571  *           CreateDCA    (GDI32.@)
 572  */
 573 HDC WINAPI CreateDCA( LPCSTR driver, LPCSTR device, LPCSTR output,
 574                           const DEVMODEA *initData )
 575 {
 576     HDC hdc;
 577     DC * dc;
 578     const DC_FUNCTIONS *funcs;
 579     char buf[300];
 580
 581     GDI_CheckNotLock();
 582
 583     if (!device || !DRIVER_GetDriverName( device, buf, sizeof(buf) ))
 584     {
 585         if (!driver) return 0;
 586         strcpy(buf, driver);
 587     }
 588
 589     if (!(funcs = DRIVER_load_driver( buf )))
 590     {
 591         ERR( "no driver found for %s\n", buf );
 592         return 0;
 593     }
 594     if (!(dc = DC_AllocDC( funcs )))
 595     {
 596         DRIVER_release_driver( funcs );
 597         return 0;
 598     }
 599
 600     dc->flags = 0;
 601
 602     TRACE("(driver=%s, device=%s, output=%s): returning %p\n",
 603           debugstr_a(driver), debugstr_a(device), debugstr_a(output), dc->hSelf );
 604
 605     if (dc->funcs->pCreateDC &&
 606         !dc->funcs->pCreateDC( dc, &dc->physDev, buf, device, output, initData ))
 607     {
 608         WARN("creation aborted by device\n" );
 609         GDI_FreeObject( dc->hSelf, dc );
 610         DRIVER_release_driver( funcs );
 611         return 0;
 612     }
 613
 614     dc->totalExtent.left   = 0;
 615     dc->totalExtent.top    = 0;
 616     dc->totalExtent.right  = GetDeviceCaps( dc->hSelf, HORZRES );
 617     dc->totalExtent.bottom = GetDeviceCaps( dc->hSelf, VERTRES );
 618     dc->hVisRgn = CreateRectRgnIndirect( &dc->totalExtent );
 619
 620     DC_InitDC( dc );
 621     hdc = dc->hSelf;
 622     GDI_ReleaseObj( hdc );
 623     return hdc;
 624 }
 625
 626
 627 /***********************************************************************
 628  *           CreateDCW    (GDI32.@)
 629  */
 630 HDC WINAPI CreateDCW( LPCWSTR driver, LPCWSTR device, LPCWSTR output,
 631                           const DEVMODEW *initData )
 632 {
 633     LPSTR driverA = HEAP_strdupWtoA( GetProcessHeap(), 0, driver );
 634     LPSTR deviceA = HEAP_strdupWtoA( GetProcessHeap(), 0, device );
 635     LPSTR outputA = HEAP_strdupWtoA( GetProcessHeap(), 0, output );
 636     HDC res = CreateDCA( driverA, deviceA, outputA,
 637                             (const DEVMODEA *)initData /*FIXME*/ );
 638     HeapFree( GetProcessHeap(), 0, driverA );
 639     HeapFree( GetProcessHeap(), 0, deviceA );
 640     HeapFree( GetProcessHeap(), 0, outputA );
 641     return res;
 642 }
 643
 644
 645 /***********************************************************************
 646  *           CreateICA    (GDI32.@)
 647  */
 648 HDC WINAPI CreateICA( LPCSTR driver, LPCSTR device, LPCSTR output,
 649                           const DEVMODEA* initData )
 650 {
 651       /* Nothing special yet for ICs */
 652     return CreateDCA( driver, device, output, initData );
 653 }
 654
 655
 656 /***********************************************************************
 657  *           CreateICW    (GDI32.@)
 658  */
 659 HDC WINAPI CreateICW( LPCWSTR driver, LPCWSTR device, LPCWSTR output,
 660                           const DEVMODEW* initData )
 661 {
 662       /* Nothing special yet for ICs */
 663     return CreateDCW( driver, device, output, initData );
 664 }
 665
 666
 667 /***********************************************************************
 668  *           CreateCompatibleDC   (GDI32.@)
 669  */
 670 HDC WINAPI CreateCompatibleDC( HDC hdc )
 671 {
 672     DC *dc, *origDC;
 673     const DC_FUNCTIONS *funcs;
 674
 675     GDI_CheckNotLock();
 676
 677     if ((origDC = GDI_GetObjPtr( hdc, DC_MAGIC )))
 678     {
 679         funcs = origDC->funcs;
 680         GDI_ReleaseObj( hdc ); /* can't hold the lock while loading the driver */
 681         funcs = DRIVER_get_driver( funcs );
 682     }
 683     else funcs = DRIVER_load_driver( "DISPLAY" );
 684
 685     if (!funcs) return 0;
 686
 687     if (!(dc = DC_AllocDC( funcs )))
 688     {
 689         DRIVER_release_driver( funcs );
 690         return 0;
 691     }
 692
 693     TRACE("(%p): returning %p\n", hdc, dc->hSelf );
 694
 695     dc->flags        = DC_MEMORY;
 696     dc->bitsPerPixel = 1;
 697     dc->hBitmap      = GetStockObject( DEFAULT_BITMAP );
 698
 699     /* Copy the driver-specific physical device info into
 700      * the new DC. The driver may use this read-only info
 701      * while creating the compatible DC below. */
 702     if ((origDC = GDI_GetObjPtr( hdc, DC_MAGIC ))) dc->physDev = origDC->physDev;
 703
 704     if (dc->funcs->pCreateDC &&
 705         !dc->funcs->pCreateDC( dc, &dc->physDev, NULL, NULL, NULL, NULL ))
 706     {
 707         WARN("creation aborted by device\n");
 708         GDI_FreeObject( dc->hSelf, dc );
 709         if (origDC) GDI_ReleaseObj( hdc );
 710         DRIVER_release_driver( funcs );
 711         return 0;
 712     }
 713
 714     dc->totalExtent.left   = 0;
 715     dc->totalExtent.top    = 0;
 716     dc->totalExtent.right  = 1;  /* default bitmap is 1x1 */
 717     dc->totalExtent.bottom = 1;
 718     dc->hVisRgn = CreateRectRgnIndirect( &dc->totalExtent );
 719
 720     DC_InitDC( dc );
 721     GDI_ReleaseObj( dc->hSelf );
 722     if (origDC) GDI_ReleaseObj( hdc );
 723     return dc->hSelf;
 724 }
 725
 726
 727 /***********************************************************************
 728  *           DeleteDC    (GDI32.@)
 729  */
 730 BOOL WINAPI DeleteDC( HDC hdc )
 731 {
 732     const DC_FUNCTIONS *funcs = NULL;
 733     DC * dc;
 734
 735     TRACE("%p\n", hdc );
 736
 737     GDI_CheckNotLock();
 738
 739     if (!(dc = GDI_GetObjPtr( hdc, DC_MAGIC ))) return FALSE;
 740
 741     /* Call hook procedure to check whether is it OK to delete this DC */
 742     if (dc->hookThunk && !(dc->flags & (DC_SAVED | DC_MEMORY)))
 743     {
 744         DCHOOKPROC proc = dc->hookThunk;
 745         if (proc)
 746         {
 747             DWORD data = dc->dwHookData;
 748             GDI_ReleaseObj( hdc );
 749             if (!proc( HDC_16(hdc), DCHC_DELETEDC, data, 0 )) return FALSE;
 750             if (!(dc = DC_GetDCPtr( hdc ))) return TRUE;  /* deleted by the hook */
 751         }
 752     }
 753
 754     while (dc->saveLevel)
 755     {
 756         DC * dcs;
 757         HDC hdcs = HDC_32(dc->header.hNext);
 758         if (!(dcs = DC_GetDCPtr( hdcs ))) break;
 759         dc->header.hNext = dcs->header.hNext;
 760         dc->saveLevel--;
 761         if (dcs->hClipRgn) DeleteObject( dcs->hClipRgn );
 762         if (dcs->hVisRgn) DeleteObject( dcs->hVisRgn );
 763         if (dcs->hGCClipRgn) DeleteObject( dcs->hGCClipRgn );
 764         PATH_DestroyGdiPath(&dcs->path);
 765         GDI_FreeObject( hdcs, dcs );
 766     }
 767
 768     if (!(dc->flags & DC_SAVED))
 769     {
 770         SelectObject( hdc, GetStockObject(BLACK_PEN) );
 771         SelectObject( hdc, GetStockObject(WHITE_BRUSH) );
 772         SelectObject( hdc, GetStockObject(SYSTEM_FONT) );
 773         SelectObject( hdc, GetStockObject(DEFAULT_BITMAP) );
 774         funcs = dc->funcs;
 775         if (dc->funcs->pDeleteDC) dc->funcs->pDeleteDC(dc->physDev);
 776         dc->physDev = NULL;
 777     }
 778
 779     if (dc->hClipRgn) DeleteObject( dc->hClipRgn );
 780     if (dc->hVisRgn) DeleteObject( dc->hVisRgn );
 781     if (dc->hGCClipRgn) DeleteObject( dc->hGCClipRgn );
 782     PATH_DestroyGdiPath(&dc->path);
 783
 784     GDI_FreeObject( hdc, dc );
 785     if (funcs) DRIVER_release_driver( funcs );  /* do that after releasing the GDI lock */
 786     return TRUE;
 787 }
 788
 789
 790 /***********************************************************************
 791  *           ResetDCA    (GDI32.@)
 792  */
 793 HDC WINAPI ResetDCA( HDC hdc, const DEVMODEA *devmode )
 794 {
 795     DC *dc;
 796     HDC ret = hdc;
 797
 798     if ((dc = DC_GetDCPtr( hdc )))
 799     {
 800         if (dc->funcs->pResetDC) ret = dc->funcs->pResetDC( dc->physDev, devmode );
 801         GDI_ReleaseObj( hdc );
 802     }
 803     return ret;
 804 }
 805
 806
 807 /***********************************************************************
 808  *           ResetDCW    (GDI32.@)
 809  */
 810 HDC WINAPI ResetDCW( HDC hdc, const DEVMODEW *devmode )
 811 {
 812     return ResetDCA(hdc, (const DEVMODEA*)devmode); /* FIXME */
 813 }
 814
 815
 816 /***********************************************************************
 817  *           GetDeviceCaps    (GDI32.@)
 818  */
 819 INT WINAPI GetDeviceCaps( HDC hdc, INT cap )
 820 {
 821     DC *dc;
 822     INT ret = 0;
 823
 824     if ((dc = DC_GetDCPtr( hdc )))
 825     {
 826         if (dc->funcs->pGetDeviceCaps) ret = dc->funcs->pGetDeviceCaps( dc->physDev, cap );
 827         GDI_ReleaseObj( hdc );
 828     }
 829     return ret;
 830 }
 831
 832
 833 /***********************************************************************
 834  *           SetBkColor    (GDI32.@)
 835  */
 836 COLORREF WINAPI SetBkColor( HDC hdc, COLORREF color )
 837 {
 838     COLORREF oldColor;
 839     DC * dc = DC_GetDCPtr( hdc );
 840
 841     if (!dc) return CLR_INVALID;
 842     oldColor = dc->backgroundColor;
 843     if (dc->funcs->pSetBkColor)
 844     {
 845         color = dc->funcs->pSetBkColor(dc->physDev, color);
 846         if (color == CLR_INVALID)  /* don't change it */
 847         {
 848             color = oldColor;
 849             oldColor = CLR_INVALID;
 850         }
 851     }
 852     dc->backgroundColor = color;
 853     GDI_ReleaseObj( hdc );
 854     return oldColor;
 855 }
 856
 857
 858 /***********************************************************************
 859  *           SetTextColor    (GDI32.@)
 860  */
 861 COLORREF WINAPI SetTextColor( HDC hdc, COLORREF color )
 862 {
 863     COLORREF oldColor;
 864     DC * dc = DC_GetDCPtr( hdc );
 865
 866     if (!dc) return CLR_INVALID;
 867     oldColor = dc->textColor;
 868     if (dc->funcs->pSetTextColor)
 869     {
 870         color = dc->funcs->pSetTextColor(dc->physDev, color);
 871         if (color == CLR_INVALID)  /* don't change it */
 872         {
 873             color = oldColor;
 874             oldColor = CLR_INVALID;
 875         }
 876     }
 877     dc->textColor = color;
 878     GDI_ReleaseObj( hdc );
 879     return oldColor;
 880 }
 881
 882
 883 /***********************************************************************
 884  *           SetTextAlign    (GDI32.@)
 885  */
 886 UINT WINAPI SetTextAlign( HDC hdc, UINT align )
 887 {
 888     UINT prevAlign;
 889     DC *dc = DC_GetDCPtr( hdc );
 890     if (!dc) return 0x0;
 891     if (dc->funcs->pSetTextAlign)
 892         prevAlign = dc->funcs->pSetTextAlign(dc->physDev, align);
 893     else {
 894         prevAlign = dc->textAlign;
 895         dc->textAlign = align;
 896     }
 897     GDI_ReleaseObj( hdc );
 898     return prevAlign;
 899 }
 900
 901 /***********************************************************************
 902  *           GetDCOrgEx  (GDI32.@)
 903  */
 904 BOOL WINAPI GetDCOrgEx( HDC hDC, LPPOINT lpp )
 905 {
 906     DC * dc;
 907
 908     if (!lpp) return FALSE;
 909     if (!(dc = DC_GetDCPtr( hDC ))) return FALSE;
 910
 911     lpp->x = lpp->y = 0;
 912     if (dc->funcs->pGetDCOrgEx) dc->funcs->pGetDCOrgEx( dc->physDev, lpp );
 913     GDI_ReleaseObj( hDC );
 914     return TRUE;
 915 }
 916
 917
 918 /***********************************************************************
 919  *           SetDCOrg   (GDI.117)
 920  */
 921 DWORD WINAPI SetDCOrg16( HDC16 hdc16, INT16 x, INT16 y )
 922 {
 923     DWORD prevOrg = 0;
 924     HDC hdc = HDC_32( hdc16 );
 925     DC *dc = DC_GetDCPtr( hdc );
 926     if (!dc) return 0;
 927     if (dc->funcs->pSetDCOrg) prevOrg = dc->funcs->pSetDCOrg( dc->physDev, x, y );
 928     GDI_ReleaseObj( hdc );
 929     return prevOrg;
 930 }
 931
 932
 933 /***********************************************************************
 934  *           SetGraphicsMode    (GDI32.@)
 935  */
 936 INT WINAPI SetGraphicsMode( HDC hdc, INT mode )
 937 {
 938     INT ret = 0;
 939     DC *dc = DC_GetDCPtr( hdc );
 940
 941     /* One would think that setting the graphics mode to GM_COMPATIBLE
 942      * would also reset the world transformation matrix to the unity
 943      * matrix. However, in Windows, this is not the case. This doesn't
 944      * make a lot of sense to me, but that's the way it is.
 945      */
 946     if (!dc) return 0;
 947     if ((mode > 0) || (mode <= GM_LAST))
 948     {
 949         ret = dc->GraphicsMode;
 950         dc->GraphicsMode = mode;
 951     }
 952     GDI_ReleaseObj( hdc );
 953     return ret;
 954 }
 955
 956
 957 /***********************************************************************
 958  *           SetArcDirection    (GDI32.@)
 959  */
 960 INT WINAPI SetArcDirection( HDC hdc, INT nDirection )
 961 {
 962     DC * dc;
 963     INT nOldDirection = 0;
 964
 965     if (nDirection!=AD_COUNTERCLOCKWISE && nDirection!=AD_CLOCKWISE)
 966     {
 967         SetLastError(ERROR_INVALID_PARAMETER);
 968         return 0;
 969     }
 970
 971     if ((dc = DC_GetDCPtr( hdc )))
 972     {
 973         nOldDirection = dc->ArcDirection;
 974         dc->ArcDirection = nDirection;
 975         GDI_ReleaseObj( hdc );
 976     }
 977     return nOldDirection;
 978 }
 979
 980
 981 /***********************************************************************
 982  *           GetWorldTransform    (GDI32.@)
 983  */
 984 BOOL WINAPI GetWorldTransform( HDC hdc, LPXFORM xform )
 985 {
 986     DC * dc;
 987     if (!xform) return FALSE;
 988     if (!(dc = DC_GetDCPtr( hdc ))) return FALSE;
 989     *xform = dc->xformWorld2Wnd;
 990     GDI_ReleaseObj( hdc );
 991     return TRUE;
 992 }
 993
 994
 995 /***********************************************************************
 996  *           SetWorldTransform    (GDI32.@)
 997  */
 998 BOOL WINAPI SetWorldTransform( HDC hdc, const XFORM *xform )
 999 {
1000     BOOL ret = FALSE;
1001     DC *dc = DC_GetDCPtr( hdc );
1002
1003     if (!dc) return FALSE;
1004     if (!xform) goto done;
1005
1006     /* Check that graphics mode is GM_ADVANCED */
1007     if (dc->GraphicsMode!=GM_ADVANCED) goto done;
1008
1009     dc->xformWorld2Wnd = *xform;
1010     DC_UpdateXforms( dc );
1011     ret = TRUE;
1012  done:
1013     GDI_ReleaseObj( hdc );
1014     return ret;
1015 }
1016
1017
1018 /****************************************************************************
1019  * ModifyWorldTransform [GDI32.@]
1020  * Modifies the world transformation for a device context.
1021  *
1022  * PARAMS
1023  *    hdc   [I] Handle to device context
1024  *    xform [I] XFORM structure that will be used to modify the world
1025  *              transformation
1026  *    iMode [I] Specifies in what way to modify the world transformation
1027  *              Possible values:
1028  *              MWT_IDENTITY
1029  *                 Resets the world transformation to the identity matrix.
1030  *                 The parameter xform is ignored.
1031  *              MWT_LEFTMULTIPLY
1032  *                 Multiplies xform into the world transformation matrix from
1033  *                 the left.
1034  *              MWT_RIGHTMULTIPLY
1035  *                 Multiplies xform into the world transformation matrix from
1036  *                 the right.
1037  *
1038  * RETURNS STD
1039  */
1040 BOOL WINAPI ModifyWorldTransform( HDC hdc, const XFORM *xform,
1041     DWORD iMode )
1042 {
1043     BOOL ret = FALSE;
1044     DC *dc = DC_GetDCPtr( hdc );
1045
1046     /* Check for illegal parameters */
1047     if (!dc) return FALSE;
1048     if (!xform) goto done;
1049
1050     /* Check that graphics mode is GM_ADVANCED */
1051     if (dc->GraphicsMode!=GM_ADVANCED) goto done;
1052
1053     switch (iMode)
1054     {
1055         case MWT_IDENTITY:
1056             dc->xformWorld2Wnd.eM11 = 1.0f;
1057             dc->xformWorld2Wnd.eM12 = 0.0f;
1058             dc->xformWorld2Wnd.eM21 = 0.0f;
1059             dc->xformWorld2Wnd.eM22 = 1.0f;
1060             dc->xformWorld2Wnd.eDx  = 0.0f;
1061             dc->xformWorld2Wnd.eDy  = 0.0f;
1062             break;
1063         case MWT_LEFTMULTIPLY:
1064             CombineTransform( &dc->xformWorld2Wnd, xform,
1065                 &dc->xformWorld2Wnd );
1066             break;
1067         case MWT_RIGHTMULTIPLY:
1068             CombineTransform( &dc->xformWorld2Wnd, &dc->xformWorld2Wnd,
1069                 xform );
1070             break;
1071         default:
1072             goto done;
1073     }
1074
1075     DC_UpdateXforms( dc );
1076     ret = TRUE;
1077  done:
1078     GDI_ReleaseObj( hdc );
1079     return ret;
1080 }
1081
1082
1083 /****************************************************************************
1084  * CombineTransform [GDI32.@]
1085  * Combines two transformation matrices.
1086  *
1087  * PARAMS
1088  *    xformResult [O] Stores the result of combining the two matrices
1089  *    xform1      [I] Specifies the first matrix to apply
1090  *    xform2      [I] Specifies the second matrix to apply
1091  *
1092  * REMARKS
1093  *    The same matrix can be passed in for more than one of the parameters.
1094  *
1095  * RETURNS STD
1096  */
1097 BOOL WINAPI CombineTransform( LPXFORM xformResult, const XFORM *xform1,
1098     const XFORM *xform2 )
1099 {
1100     XFORM xformTemp;
1101
1102     /* Check for illegal parameters */
1103     if (!xformResult || !xform1 || !xform2)
1104         return FALSE;
1105
1106     /* Create the result in a temporary XFORM, since xformResult may be
1107      * equal to xform1 or xform2 */
1108     xformTemp.eM11 = xform1->eM11 * xform2->eM11 +
1109                      xform1->eM12 * xform2->eM21;
1110     xformTemp.eM12 = xform1->eM11 * xform2->eM12 +
1111                      xform1->eM12 * xform2->eM22;
1112     xformTemp.eM21 = xform1->eM21 * xform2->eM11 +
1113                      xform1->eM22 * xform2->eM21;
1114     xformTemp.eM22 = xform1->eM21 * xform2->eM12 +
1115                      xform1->eM22 * xform2->eM22;
1116     xformTemp.eDx  = xform1->eDx  * xform2->eM11 +
1117                      xform1->eDy  * xform2->eM21 +
1118                      xform2->eDx;
1119     xformTemp.eDy  = xform1->eDx  * xform2->eM12 +
1120                      xform1->eDy  * xform2->eM22 +
1121                      xform2->eDy;
1122
1123     /* Copy the result to xformResult */
1124     *xformResult = xformTemp;
1125
1126     return TRUE;
1127 }
1128
1129
1130 /***********************************************************************
1131  *           SetDCHook   (GDI32.@)
1132  *
1133  * Note: this doesn't exist in Win32, we add it here because user32 needs it.
1134  */
1135 BOOL WINAPI SetDCHook( HDC hdc, DCHOOKPROC hookProc, DWORD dwHookData )
1136 {
1137     DC *dc = DC_GetDCPtr( hdc );
1138
1139     if (!dc) return FALSE;
1140     dc->dwHookData = dwHookData;
1141     dc->hookThunk = hookProc;
1142     GDI_ReleaseObj( hdc );
1143     return TRUE;
1144 }
1145
1146
1147 /* relay function to call the 16-bit DC hook proc */
1148 static BOOL16 WINAPI call_dc_hook16( HDC16 hdc16, WORD code, DWORD data, LPARAM lParam )
1149 {
1150     FARPROC16 proc = NULL;
1151     HDC hdc = HDC_32( hdc16 );
1152     DC *dc = DC_GetDCPtr( hdc );
1153     if (!dc) return FALSE;
1154     proc = dc->hookProc;
1155     GDI_ReleaseObj( hdc );
1156     if (!proc) return FALSE;
1157     return GDI_CallTo16_word_wwll( proc, hdc16, code, data, lParam );
1158 }
1159
1160 /***********************************************************************
1161  *           SetDCHook   (GDI.190)
1162  */
1163 BOOL16 WINAPI SetDCHook16( HDC16 hdc16, FARPROC16 hookProc, DWORD dwHookData )
1164 {
1165     HDC hdc = HDC_32( hdc16 );
1166     DC *dc = DC_GetDCPtr( hdc );
1167     if (!dc) return FALSE;
1168
1169     dc->hookProc = hookProc;
1170     GDI_ReleaseObj( hdc );
1171     return SetDCHook( hdc, call_dc_hook16, dwHookData );
1172 }
1173
1174
1175 /***********************************************************************
1176  *           GetDCHook   (GDI.191)
1177  */
1178 DWORD WINAPI GetDCHook16( HDC16 hdc16, FARPROC16 *phookProc )
1179 {
1180     HDC hdc = HDC_32( hdc16 );
1181     DC *dc = DC_GetDCPtr( hdc );
1182     DWORD ret;
1183
1184     if (!dc) return 0;
1185     *phookProc = dc->hookProc;
1186     ret = dc->dwHookData;
1187     GDI_ReleaseObj( hdc );
1188     return ret;
1189 }
1190
1191
1192 /***********************************************************************
1193  *           SetHookFlags   (GDI.192)
1194  */
1195 WORD WINAPI SetHookFlags16(HDC16 hdc16, WORD flags)
1196 {
1197     HDC hdc = HDC_32( hdc16 );
1198     DC *dc = DC_GetDCPtr( hdc );
1199
1200     if( dc )
1201     {
1202         WORD wRet = dc->flags & DC_DIRTY;
1203
1204         /* "Undocumented Windows" info is slightly confusing.
1205          */
1206
1207         TRACE("hDC %p, flags %04x\n",hdc,flags);
1208
1209         if( flags & DCHF_INVALIDATEVISRGN )
1210             dc->flags |= DC_DIRTY;
1211         else if( flags & DCHF_VALIDATEVISRGN || !flags )
1212             dc->flags &= ~DC_DIRTY;
1213         GDI_ReleaseObj( hdc );
1214         return wRet;
1215     }
1216     return 0;
1217 }
1218
1219 /***********************************************************************
1220  *           SetICMMode    (GDI32.@)
1221  */
1222 INT WINAPI SetICMMode(HDC hdc, INT iEnableICM)
1223 {
1224 /*FIXME  Asuming that ICM is always off, and cannot be turned on */
1225     if (iEnableICM == ICM_OFF) return ICM_OFF;
1226     if (iEnableICM == ICM_ON) return 0;
1227     if (iEnableICM == ICM_QUERY) return ICM_OFF;
1228     return 0;
1229 }
1230
1231 /***********************************************************************
1232  *           GetDeviceGammaRamp    (GDI32.@)
1233  */
1234 BOOL WINAPI GetDeviceGammaRamp(HDC hDC, LPVOID ptr)
1235 {
1236     BOOL ret = FALSE;
1237     DC *dc = DC_GetDCPtr( hDC );
1238
1239     if( dc )
1240     {
1241         if (dc->funcs->pGetDeviceGammaRamp)
1242             ret = dc->funcs->pGetDeviceGammaRamp(dc->physDev, ptr);
1243         GDI_ReleaseObj( hDC );
1244     }
1245     return ret;
1246 }
1247
1248 /***********************************************************************
1249  *           SetDeviceGammaRamp    (GDI32.@)
1250  */
1251 BOOL WINAPI SetDeviceGammaRamp(HDC hDC, LPVOID ptr)
1252 {
1253     BOOL ret = FALSE;
1254     DC *dc = DC_GetDCPtr( hDC );
1255
1256     if( dc )
1257     {
1258         if (dc->funcs->pSetDeviceGammaRamp)
1259             ret = dc->funcs->pSetDeviceGammaRamp(dc->physDev, ptr);
1260         GDI_ReleaseObj( hDC );
1261     }
1262     return ret;
1263 }
1264
1265 /***********************************************************************
1266  *           GetColorSpace    (GDI32.@)
1267  */
1268 HCOLORSPACE WINAPI GetColorSpace(HDC hdc)
1269 {
1270 /*FIXME    Need to to whatever GetColorSpace actually does */
1271     return 0;
1272 }
1273
1274 /***********************************************************************
1275  *           CreateColorSpaceA    (GDI32.@)
1276  */
1277 HCOLORSPACE WINAPI CreateColorSpaceA( LPLOGCOLORSPACEA lpLogColorSpace )
1278 {
1279   FIXME( "stub\n" );
1280   return 0;
1281 }
1282
1283 /***********************************************************************
1284  *           CreateColorSpaceW    (GDI32.@)
1285  */
1286 HCOLORSPACE WINAPI CreateColorSpaceW( LPLOGCOLORSPACEW lpLogColorSpace )
1287 {
1288   FIXME( "stub\n" );
1289   return 0;
1290 }
1291
1292 /***********************************************************************
1293  *           DeleteColorSpace     (GDI32.@)
1294  */
1295 BOOL WINAPI DeleteColorSpace( HCOLORSPACE hColorSpace )
1296 {
1297   FIXME( "stub\n" );
1298
1299   return TRUE;
1300 }
1301
1302 /***********************************************************************
1303  *           SetColorSpace     (GDI32.@)
1304  */
1305 HCOLORSPACE WINAPI SetColorSpace( HDC hDC, HCOLORSPACE hColorSpace )
1306 {
1307   FIXME( "stub\n" );
1308
1309   return hColorSpace;
1310 }
1311
1312 /***********************************************************************
1313  *           GetBoundsRect    (GDI.194)
1314  */
1315 UINT16 WINAPI GetBoundsRect16(HDC16 hdc, LPRECT16 rect, UINT16 flags)
1316 {
1317     return DCB_RESET | DCB_DISABLE; /* bounding rectangle always empty and disabled*/
1318 }
1319
1320 /***********************************************************************
1321  *           GetBoundsRect    (GDI32.@)
1322  */
1323 UINT WINAPI GetBoundsRect(HDC hdc, LPRECT rect, UINT flags)
1324 {
1325     FIXME("(): stub\n");
1326     return DCB_RESET;   /* bounding rectangle always empty */
1327 }
1328
1329 /***********************************************************************
1330  *           SetBoundsRect    (GDI.193)
1331  */
1332 UINT16 WINAPI SetBoundsRect16(HDC16 hdc, const RECT16* rect, UINT16 flags)
1333 {
1334     if ( (flags & DCB_ACCUMULATE) || (flags & DCB_ENABLE) )
1335         FIXME("(%04x, %p, %04x): stub\n", hdc, rect, flags );
1336
1337     return DCB_RESET | DCB_DISABLE; /* bounding rectangle always empty and disabled*/
1338 }
1339
1340 /***********************************************************************
1341  *           SetBoundsRect    (GDI32.@)
1342  */
1343 UINT WINAPI SetBoundsRect(HDC hdc, const RECT* rect, UINT flags)
1344 {
1345     FIXME("(): stub\n");
1346     return DCB_DISABLE;   /* bounding rectangle always empty */
1347 }
1348
1349
1350 /***********************************************************************
1351  *              GetRelAbs               (GDI32.@)
1352  */
1353 INT WINAPI GetRelAbs( HDC hdc, DWORD dwIgnore )
1354 {
1355     INT ret = 0;
1356     DC *dc = DC_GetDCPtr( hdc );
1357     if (dc) ret = dc->relAbsMode;
1358     GDI_ReleaseObj( hdc );
1359     return ret;
1360 }
1361
1362 /***********************************************************************
1363  *           GetLayout    (GDI32.@)
1364  *
1365  * Gets left->right or right->left text layout flags of a dc.
1366  * win98 just returns 0 and sets ERROR_CALL_NOT_IMPLEMENTED so we do the same
1367  *
1368  */
1369 DWORD WINAPI GetLayout(HDC hdc)
1370 {
1371     FIXME("(%p): stub\n", hdc);
1372     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1373     return 0;
1374 }
1375
1376 /***********************************************************************
1377  *           SetLayout    (GDI32.@)
1378  *
1379  * Sets left->right or right->left text layout flags of a dc.
1380  * win98 just returns 0 and sets ERROR_CALL_NOT_IMPLEMENTED so we do the same
1381  *
1382  */
1383 DWORD WINAPI SetLayout(HDC hdc, DWORD layout)
1384 {
1385     FIXME("(%p,%08lx): stub\n", hdc, layout);
1386     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1387     return 0;
1388 }
1389
1390 /***********************************************************************
1391  *           SetDCBrushColor    (GDI32.@)
1392  *
1393  * Sets the current device context (DC) brush color to the specified
1394  * color value. If the device cannot represent the specified color
1395  * value, the color is set to the nearest physical color.
1396  *
1397  */
1398 COLORREF WINAPI SetDCBrushColor(HDC hdc, COLORREF crColor)
1399 {
1400     FIXME("(%p, %08lx): stub\n", hdc, crColor);
1401     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
1402     return CLR_INVALID;
1403 }