dlls/gdi32/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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <assert.h>
  24 #include <stdarg.h>
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include "windef.h"
  28 #include "winbase.h"
  29 #include "wingdi.h"
  30 #include "winreg.h"
  31 #include "winternl.h"
  32 #include "winerror.h"
  33 #include "gdi_private.h"
  34 #include "wine/unicode.h"
  35 #include "wine/debug.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(dc);
  38
  39 static const WCHAR displayW[] = { 'd','i','s','p','l','a','y',0 };
  40
  41 static BOOL DC_DeleteObject( HGDIOBJ handle );
  42
  43 static const struct gdi_obj_funcs dc_funcs =
  44 {
  45     NULL,             /* pSelectObject */
  46     NULL,             /* pGetObjectA */
  47     NULL,             /* pGetObjectW */
  48     NULL,             /* pUnrealizeObject */
  49     DC_DeleteObject   /* pDeleteObject */
  50 };
  51
  52
  53 static inline DC *get_dc_obj( HDC hdc )
  54 {
  55     DC *dc = GDI_GetObjPtr( hdc, 0 );
  56     if (!dc) return NULL;
  57
  58     if ((dc->header.type != OBJ_DC) &&
  59         (dc->header.type != OBJ_MEMDC) &&
  60         (dc->header.type != OBJ_METADC) &&
  61         (dc->header.type != OBJ_ENHMETADC))
  62     {
  63         GDI_ReleaseObj( hdc );
  64         SetLastError( ERROR_INVALID_HANDLE );
  65         dc = NULL;
  66     }
  67     return dc;
  68 }
  69
  70
  71 /***********************************************************************
  72  *           alloc_dc_ptr
  73  */
  74 DC *alloc_dc_ptr( WORD magic )
  75 {
  76     DC *dc;
  77
  78     if (!(dc = HeapAlloc( GetProcessHeap(), 0, sizeof(*dc) ))) return NULL;
  79
  80     dc->funcs               = &null_driver;
  81     dc->nulldrv.funcs       = &null_driver;
  82     dc->nulldrv.next        = NULL;
  83     dc->physDev             = &dc->nulldrv;
  84     dc->thread              = GetCurrentThreadId();
  85     dc->refcount            = 1;
  86     dc->dirty               = 0;
  87     dc->saveLevel           = 0;
  88     dc->saved_dc            = 0;
  89     dc->dwHookData          = 0;
  90     dc->hookProc            = NULL;
  91     dc->wndOrgX             = 0;
  92     dc->wndOrgY             = 0;
  93     dc->wndExtX             = 1;
  94     dc->wndExtY             = 1;
  95     dc->vportOrgX           = 0;
  96     dc->vportOrgY           = 0;
  97     dc->vportExtX           = 1;
  98     dc->vportExtY           = 1;
  99     dc->miterLimit          = 10.0f; /* 10.0 is the default, from MSDN */
 100     dc->flags               = 0;
 101     dc->layout              = 0;
 102     dc->hClipRgn            = 0;
 103     dc->hMetaRgn            = 0;
 104     dc->hMetaClipRgn        = 0;
 105     dc->hVisRgn             = 0;
 106     dc->hPen                = GDI_inc_ref_count( GetStockObject( BLACK_PEN ));
 107     dc->hBrush              = GDI_inc_ref_count( GetStockObject( WHITE_BRUSH ));
 108     dc->hFont               = GDI_inc_ref_count( GetStockObject( SYSTEM_FONT ));
 109     dc->hBitmap             = 0;
 110     dc->hDevice             = 0;
 111     dc->hPalette            = GetStockObject( DEFAULT_PALETTE );
 112     dc->gdiFont             = 0;
 113     dc->font_code_page      = CP_ACP;
 114     dc->ROPmode             = R2_COPYPEN;
 115     dc->polyFillMode        = ALTERNATE;
 116     dc->stretchBltMode      = BLACKONWHITE;
 117     dc->relAbsMode          = ABSOLUTE;
 118     dc->backgroundMode      = OPAQUE;
 119     dc->backgroundColor     = RGB( 255, 255, 255 );
 120     dc->dcBrushColor        = RGB( 255, 255, 255 );
 121     dc->dcPenColor          = RGB( 0, 0, 0 );
 122     dc->textColor           = RGB( 0, 0, 0 );
 123     dc->brushOrgX           = 0;
 124     dc->brushOrgY           = 0;
 125     dc->mapperFlags         = 0;
 126     dc->textAlign           = TA_LEFT | TA_TOP | TA_NOUPDATECP;
 127     dc->charExtra           = 0;
 128     dc->breakExtra          = 0;
 129     dc->breakRem            = 0;
 130     dc->MapMode             = MM_TEXT;
 131     dc->GraphicsMode        = GM_COMPATIBLE;
 132     dc->pAbortProc          = NULL;
 133     dc->CursPosX            = 0;
 134     dc->CursPosY            = 0;
 135     dc->ArcDirection        = AD_COUNTERCLOCKWISE;
 136     dc->xformWorld2Wnd.eM11 = 1.0f;
 137     dc->xformWorld2Wnd.eM12 = 0.0f;
 138     dc->xformWorld2Wnd.eM21 = 0.0f;
 139     dc->xformWorld2Wnd.eM22 = 1.0f;
 140     dc->xformWorld2Wnd.eDx  = 0.0f;
 141     dc->xformWorld2Wnd.eDy  = 0.0f;
 142     dc->xformWorld2Vport    = dc->xformWorld2Wnd;
 143     dc->xformVport2World    = dc->xformWorld2Wnd;
 144     dc->vport2WorldValid    = TRUE;
 145     dc->BoundsRect.left     = 0;
 146     dc->BoundsRect.top      = 0;
 147     dc->BoundsRect.right    = 0;
 148     dc->BoundsRect.bottom   = 0;
 149     PATH_InitGdiPath(&dc->path);
 150
 151     if (!(dc->hSelf = alloc_gdi_handle( &dc->header, magic, &dc_funcs )))
 152     {
 153         HeapFree( GetProcessHeap(), 0, dc );
 154         return NULL;
 155     }
 156     dc->nulldrv.hdc = dc->hSelf;
 157     return dc;
 158 }
 159
 160
 161
 162 /***********************************************************************
 163  *           free_dc_state
 164  */
 165 static void free_dc_state( DC *dc )
 166 {
 167     if (dc->hClipRgn) DeleteObject( dc->hClipRgn );
 168     if (dc->hMetaRgn) DeleteObject( dc->hMetaRgn );
 169     if (dc->hMetaClipRgn) DeleteObject( dc->hMetaClipRgn );
 170     if (dc->hVisRgn) DeleteObject( dc->hVisRgn );
 171     PATH_DestroyGdiPath( &dc->path );
 172     HeapFree( GetProcessHeap(), 0, dc );
 173 }
 174
 175
 176 /***********************************************************************
 177  *           free_dc_ptr
 178  */
 179 void free_dc_ptr( DC *dc )
 180 {
 181     assert( dc->refcount == 1 );
 182
 183     while (dc->physDev != &dc->nulldrv) pop_dc_driver( dc, dc->physDev );
 184     free_gdi_handle( dc->hSelf );
 185     free_dc_state( dc );
 186 }
 187
 188
 189 /***********************************************************************
 190  *           get_dc_ptr
 191  *
 192  * Retrieve a DC pointer but release the GDI lock.
 193  */
 194 DC *get_dc_ptr( HDC hdc )
 195 {
 196     DC *dc = get_dc_obj( hdc );
 197     if (!dc) return NULL;
 198
 199     if (!InterlockedCompareExchange( &dc->refcount, 1, 0 ))
 200     {
 201         dc->thread = GetCurrentThreadId();
 202     }
 203     else if (dc->thread != GetCurrentThreadId())
 204     {
 205         WARN( "dc %p belongs to thread %04x\n", hdc, dc->thread );
 206         GDI_ReleaseObj( hdc );
 207         return NULL;
 208     }
 209     else InterlockedIncrement( &dc->refcount );
 210
 211     GDI_ReleaseObj( hdc );
 212     return dc;
 213 }
 214
 215
 216 /***********************************************************************
 217  *           release_dc_ptr
 218  */
 219 void release_dc_ptr( DC *dc )
 220 {
 221     LONG ref;
 222
 223     dc->thread = 0;
 224     ref = InterlockedDecrement( &dc->refcount );
 225     assert( ref >= 0 );
 226     if (ref) dc->thread = GetCurrentThreadId();  /* we still own it */
 227 }
 228
 229
 230 /***********************************************************************
 231  *           update_dc
 232  *
 233  * Make sure the DC vis region is up to date.
 234  * This function may call up to USER so the GDI lock should _not_
 235  * be held when calling it.
 236  */
 237 void update_dc( DC *dc )
 238 {
 239     if (InterlockedExchange( &dc->dirty, 0 ) && dc->hookProc)
 240         dc->hookProc( dc->hSelf, DCHC_INVALIDVISRGN, dc->dwHookData, 0 );
 241 }
 242
 243
 244 /***********************************************************************
 245  *           push_dc_driver
 246  *
 247  * Push a driver on top of the DC driver stack.
 248  */
 249 void push_dc_driver( DC * dc, PHYSDEV physdev, const DC_FUNCTIONS *funcs )
 250 {
 251     physdev->funcs = funcs;
 252     physdev->next = dc->physDev;
 253     physdev->hdc = dc->hSelf;
 254     dc->physDev = physdev;
 255     dc->funcs = physdev->funcs;
 256 }
 257
 258
 259 /***********************************************************************
 260  *           pop_dc_driver
 261  *
 262  * Pop the top driver from the DC driver stack.
 263  */
 264 void pop_dc_driver( DC * dc, PHYSDEV physdev )
 265 {
 266     assert( physdev == dc->physDev );
 267     assert( physdev != &dc->nulldrv );
 268     dc->physDev = physdev->next;
 269     dc->funcs = dc->physDev->funcs;
 270     physdev->funcs->pDeleteDC( physdev );
 271 }
 272
 273
 274 /***********************************************************************
 275  *           DC_DeleteObject
 276  */
 277 static BOOL DC_DeleteObject( HGDIOBJ handle )
 278 {
 279     return DeleteDC( handle );
 280 }
 281
 282
 283 /***********************************************************************
 284  *           DC_InitDC
 285  *
 286  * Setup device-specific DC values for a newly created DC.
 287  */
 288 void DC_InitDC( DC* dc )
 289 {
 290     PHYSDEV physdev = GET_DC_PHYSDEV( dc, pRealizeDefaultPalette );
 291     physdev->funcs->pRealizeDefaultPalette( physdev );
 292     SetTextColor( dc->hSelf, dc->textColor );
 293     SetBkColor( dc->hSelf, dc->backgroundColor );
 294     SelectObject( dc->hSelf, dc->hPen );
 295     SelectObject( dc->hSelf, dc->hBrush );
 296     SelectObject( dc->hSelf, dc->hFont );
 297     CLIPPING_UpdateGCRegion( dc );
 298     SetVirtualResolution( dc->hSelf, 0, 0, 0, 0 );
 299 }
 300
 301
 302 /***********************************************************************
 303  *           DC_InvertXform
 304  *
 305  * Computes the inverse of the transformation xformSrc and stores it to
 306  * xformDest. Returns TRUE if successful or FALSE if the xformSrc matrix
 307  * is singular.
 308  */
 309 static BOOL DC_InvertXform( const XFORM *xformSrc, XFORM *xformDest )
 310 {
 311     double determinant;
 312
 313     determinant = xformSrc->eM11*xformSrc->eM22 -
 314         xformSrc->eM12*xformSrc->eM21;
 315     if (determinant > -1e-12 && determinant < 1e-12)
 316         return FALSE;
 317
 318     xformDest->eM11 =  xformSrc->eM22 / determinant;
 319     xformDest->eM12 = -xformSrc->eM12 / determinant;
 320     xformDest->eM21 = -xformSrc->eM21 / determinant;
 321     xformDest->eM22 =  xformSrc->eM11 / determinant;
 322     xformDest->eDx  = -xformSrc->eDx * xformDest->eM11 -
 323                        xformSrc->eDy * xformDest->eM21;
 324     xformDest->eDy  = -xformSrc->eDx * xformDest->eM12 -
 325                        xformSrc->eDy * xformDest->eM22;
 326
 327     return TRUE;
 328 }
 329
 330 /* Construct a transformation to do the window-to-viewport conversion */
 331 static void construct_window_to_viewport(DC *dc, XFORM *xform)
 332 {
 333     double scaleX, scaleY;
 334     scaleX = (double)dc->vportExtX / (double)dc->wndExtX;
 335     scaleY = (double)dc->vportExtY / (double)dc->wndExtY;
 336
 337     if (dc->layout & LAYOUT_RTL) scaleX = -scaleX;
 338     xform->eM11 = scaleX;
 339     xform->eM12 = 0.0;
 340     xform->eM21 = 0.0;
 341     xform->eM22 = scaleY;
 342     xform->eDx  = (double)dc->vportOrgX - scaleX * (double)dc->wndOrgX;
 343     xform->eDy  = (double)dc->vportOrgY - scaleY * (double)dc->wndOrgY;
 344     if (dc->layout & LAYOUT_RTL) xform->eDx = dc->vis_rect.right - dc->vis_rect.left - 1 - xform->eDx;
 345 }
 346
 347 /***********************************************************************
 348  *           DC_UpdateXforms
 349  *
 350  * Updates the xformWorld2Vport, xformVport2World and vport2WorldValid
 351  * fields of the specified DC by creating a transformation that
 352  * represents the current mapping mode and combining it with the DC's
 353  * world transform. This function should be called whenever the
 354  * parameters associated with the mapping mode (window and viewport
 355  * extents and origins) or the world transform change.
 356  */
 357 void DC_UpdateXforms( DC *dc )
 358 {
 359     XFORM xformWnd2Vport, oldworld2vport;
 360
 361     construct_window_to_viewport(dc, &xformWnd2Vport);
 362
 363     oldworld2vport = dc->xformWorld2Vport;
 364     /* Combine with the world transformation */
 365     CombineTransform( &dc->xformWorld2Vport, &dc->xformWorld2Wnd,
 366         &xformWnd2Vport );
 367
 368     /* Create inverse of world-to-viewport transformation */
 369     dc->vport2WorldValid = DC_InvertXform( &dc->xformWorld2Vport,
 370         &dc->xformVport2World );
 371
 372     /* Reselect the font and pen back into the dc so that the size
 373        gets updated. */
 374     if (memcmp(&oldworld2vport, &dc->xformWorld2Vport, sizeof(oldworld2vport)) &&
 375         !GdiIsMetaFileDC(dc->hSelf))
 376     {
 377         SelectObject(dc->hSelf, GetCurrentObject(dc->hSelf, OBJ_FONT));
 378         SelectObject(dc->hSelf, GetCurrentObject(dc->hSelf, OBJ_PEN));
 379     }
 380 }
 381
 382
 383 /***********************************************************************
 384  *           nulldrv_SaveDC
 385  */
 386 INT CDECL nulldrv_SaveDC( PHYSDEV dev )
 387 {
 388     DC *newdc, *dc = get_nulldrv_dc( dev );
 389
 390     if (!(newdc = HeapAlloc( GetProcessHeap(), 0, sizeof(*newdc )))) return 0;
 391     newdc->flags            = dc->flags;
 392     newdc->layout           = dc->layout;
 393     newdc->hPen             = dc->hPen;
 394     newdc->hBrush           = dc->hBrush;
 395     newdc->hFont            = dc->hFont;
 396     newdc->hBitmap          = dc->hBitmap;
 397     newdc->hDevice          = dc->hDevice;
 398     newdc->hPalette         = dc->hPalette;
 399     newdc->ROPmode          = dc->ROPmode;
 400     newdc->polyFillMode     = dc->polyFillMode;
 401     newdc->stretchBltMode   = dc->stretchBltMode;
 402     newdc->relAbsMode       = dc->relAbsMode;
 403     newdc->backgroundMode   = dc->backgroundMode;
 404     newdc->backgroundColor  = dc->backgroundColor;
 405     newdc->textColor        = dc->textColor;
 406     newdc->dcBrushColor     = dc->dcBrushColor;
 407     newdc->dcPenColor       = dc->dcPenColor;
 408     newdc->brushOrgX        = dc->brushOrgX;
 409     newdc->brushOrgY        = dc->brushOrgY;
 410     newdc->mapperFlags      = dc->mapperFlags;
 411     newdc->textAlign        = dc->textAlign;
 412     newdc->charExtra        = dc->charExtra;
 413     newdc->breakExtra       = dc->breakExtra;
 414     newdc->breakRem         = dc->breakRem;
 415     newdc->MapMode          = dc->MapMode;
 416     newdc->GraphicsMode     = dc->GraphicsMode;
 417     newdc->CursPosX         = dc->CursPosX;
 418     newdc->CursPosY         = dc->CursPosY;
 419     newdc->ArcDirection     = dc->ArcDirection;
 420     newdc->xformWorld2Wnd   = dc->xformWorld2Wnd;
 421     newdc->xformWorld2Vport = dc->xformWorld2Vport;
 422     newdc->xformVport2World = dc->xformVport2World;
 423     newdc->vport2WorldValid = dc->vport2WorldValid;
 424     newdc->wndOrgX          = dc->wndOrgX;
 425     newdc->wndOrgY          = dc->wndOrgY;
 426     newdc->wndExtX          = dc->wndExtX;
 427     newdc->wndExtY          = dc->wndExtY;
 428     newdc->vportOrgX        = dc->vportOrgX;
 429     newdc->vportOrgY        = dc->vportOrgY;
 430     newdc->vportExtX        = dc->vportExtX;
 431     newdc->vportExtY        = dc->vportExtY;
 432     newdc->virtual_res      = dc->virtual_res;
 433     newdc->virtual_size     = dc->virtual_size;
 434     newdc->BoundsRect       = dc->BoundsRect;
 435     newdc->gdiFont          = dc->gdiFont;
 436
 437     PATH_InitGdiPath( &newdc->path );
 438
 439     /* Get/SetDCState() don't change hVisRgn field ("Undoc. Windows" p.559). */
 440
 441     newdc->hVisRgn      = 0;
 442     newdc->hClipRgn     = 0;
 443     newdc->hMetaRgn     = 0;
 444     newdc->hMetaClipRgn = 0;
 445     if (dc->hClipRgn)
 446     {
 447         newdc->hClipRgn = CreateRectRgn( 0, 0, 0, 0 );
 448         CombineRgn( newdc->hClipRgn, dc->hClipRgn, 0, RGN_COPY );
 449     }
 450     if (dc->hMetaRgn)
 451     {
 452         newdc->hMetaRgn = CreateRectRgn( 0, 0, 0, 0 );
 453         CombineRgn( newdc->hMetaRgn, dc->hMetaRgn, 0, RGN_COPY );
 454     }
 455
 456     /* don't bother recomputing hMetaClipRgn, we'll do that in SetDCState */
 457
 458     if (!PATH_AssignGdiPath( &newdc->path, &dc->path ))
 459     {
 460         release_dc_ptr( dc );
 461         free_dc_state( newdc );
 462         return 0;
 463     }
 464
 465     newdc->saved_dc = dc->saved_dc;
 466     dc->saved_dc = newdc;
 467     return ++dc->saveLevel;
 468 }
 469
 470
 471 /***********************************************************************
 472  *           restore_dc_state
 473  */
 474 BOOL CDECL nulldrv_RestoreDC( PHYSDEV dev, INT level )
 475 {
 476     DC *dcs, *first_dcs, *dc = get_nulldrv_dc( dev );
 477     INT save_level;
 478
 479     /* find the state level to restore */
 480
 481     if (abs(level) > dc->saveLevel || level == 0) return FALSE;
 482     if (level < 0) level = dc->saveLevel + level + 1;
 483     first_dcs = dc->saved_dc;
 484     for (dcs = first_dcs, save_level = dc->saveLevel; save_level > level; save_level--)
 485         dcs = dcs->saved_dc;
 486
 487     /* restore the state */
 488
 489     if (!PATH_AssignGdiPath( &dc->path, &dcs->path )) return FALSE;
 490
 491     dc->flags            = dcs->flags;
 492     dc->layout           = dcs->layout;
 493     dc->hDevice          = dcs->hDevice;
 494     dc->ROPmode          = dcs->ROPmode;
 495     dc->polyFillMode     = dcs->polyFillMode;
 496     dc->stretchBltMode   = dcs->stretchBltMode;
 497     dc->relAbsMode       = dcs->relAbsMode;
 498     dc->backgroundMode   = dcs->backgroundMode;
 499     dc->backgroundColor  = dcs->backgroundColor;
 500     dc->textColor        = dcs->textColor;
 501     dc->dcBrushColor     = dcs->dcBrushColor;
 502     dc->dcPenColor       = dcs->dcPenColor;
 503     dc->brushOrgX        = dcs->brushOrgX;
 504     dc->brushOrgY        = dcs->brushOrgY;
 505     dc->mapperFlags      = dcs->mapperFlags;
 506     dc->textAlign        = dcs->textAlign;
 507     dc->charExtra        = dcs->charExtra;
 508     dc->breakExtra       = dcs->breakExtra;
 509     dc->breakRem         = dcs->breakRem;
 510     dc->MapMode          = dcs->MapMode;
 511     dc->GraphicsMode     = dcs->GraphicsMode;
 512     dc->CursPosX         = dcs->CursPosX;
 513     dc->CursPosY         = dcs->CursPosY;
 514     dc->ArcDirection     = dcs->ArcDirection;
 515     dc->xformWorld2Wnd   = dcs->xformWorld2Wnd;
 516     dc->xformWorld2Vport = dcs->xformWorld2Vport;
 517     dc->xformVport2World = dcs->xformVport2World;
 518     dc->vport2WorldValid = dcs->vport2WorldValid;
 519     dc->BoundsRect       = dcs->BoundsRect;
 520
 521     dc->wndOrgX          = dcs->wndOrgX;
 522     dc->wndOrgY          = dcs->wndOrgY;
 523     dc->wndExtX          = dcs->wndExtX;
 524     dc->wndExtY          = dcs->wndExtY;
 525     dc->vportOrgX        = dcs->vportOrgX;
 526     dc->vportOrgY        = dcs->vportOrgY;
 527     dc->vportExtX        = dcs->vportExtX;
 528     dc->vportExtY        = dcs->vportExtY;
 529     dc->virtual_res      = dcs->virtual_res;
 530     dc->virtual_size     = dcs->virtual_size;
 531
 532     if (dcs->hClipRgn)
 533     {
 534         if (!dc->hClipRgn) dc->hClipRgn = CreateRectRgn( 0, 0, 0, 0 );
 535         CombineRgn( dc->hClipRgn, dcs->hClipRgn, 0, RGN_COPY );
 536     }
 537     else
 538     {
 539         if (dc->hClipRgn) DeleteObject( dc->hClipRgn );
 540         dc->hClipRgn = 0;
 541     }
 542     if (dcs->hMetaRgn)
 543     {
 544         if (!dc->hMetaRgn) dc->hMetaRgn = CreateRectRgn( 0, 0, 0, 0 );
 545         CombineRgn( dc->hMetaRgn, dcs->hMetaRgn, 0, RGN_COPY );
 546     }
 547     else
 548     {
 549         if (dc->hMetaRgn) DeleteObject( dc->hMetaRgn );
 550         dc->hMetaRgn = 0;
 551     }
 552     DC_UpdateXforms( dc );
 553     CLIPPING_UpdateGCRegion( dc );
 554
 555     SelectObject( dev->hdc, dcs->hBitmap );
 556     SelectObject( dev->hdc, dcs->hBrush );
 557     SelectObject( dev->hdc, dcs->hFont );
 558     SelectObject( dev->hdc, dcs->hPen );
 559     SetBkColor( dev->hdc, dcs->backgroundColor);
 560     SetTextColor( dev->hdc, dcs->textColor);
 561     GDISelectPalette( dev->hdc, dcs->hPalette, FALSE );
 562
 563     dc->saved_dc  = dcs->saved_dc;
 564     dcs->saved_dc = 0;
 565     dc->saveLevel = save_level - 1;
 566
 567     /* now destroy all the saved DCs */
 568
 569     while (first_dcs)
 570     {
 571         DC *next = first_dcs->saved_dc;
 572         free_dc_state( first_dcs );
 573         first_dcs = next;
 574     }
 575     return TRUE;
 576 }
 577
 578
 579 /***********************************************************************
 580  *           SaveDC    (GDI32.@)
 581  */
 582 INT WINAPI SaveDC( HDC hdc )
 583 {
 584     DC * dc;
 585     INT ret = 0;
 586
 587     if ((dc = get_dc_ptr( hdc )))
 588     {
 589         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSaveDC );
 590         ret = physdev->funcs->pSaveDC( physdev );
 591         release_dc_ptr( dc );
 592     }
 593     return ret;
 594 }
 595
 596
 597 /***********************************************************************
 598  *           RestoreDC    (GDI32.@)
 599  */
 600 BOOL WINAPI RestoreDC( HDC hdc, INT level )
 601 {
 602     DC *dc;
 603     BOOL success = FALSE;
 604
 605     TRACE("%p %d\n", hdc, level );
 606     if ((dc = get_dc_ptr( hdc )))
 607     {
 608         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pRestoreDC );
 609         update_dc( dc );
 610         success = physdev->funcs->pRestoreDC( physdev, level );
 611         release_dc_ptr( dc );
 612     }
 613     return success;
 614 }
 615
 616
 617 /***********************************************************************
 618  *           CreateDCW    (GDI32.@)
 619  */
 620 HDC WINAPI CreateDCW( LPCWSTR driver, LPCWSTR device, LPCWSTR output,
 621                       const DEVMODEW *initData )
 622 {
 623     HDC hdc;
 624     DC * dc;
 625     const DC_FUNCTIONS *funcs;
 626     WCHAR buf[300];
 627
 628     GDI_CheckNotLock();
 629
 630     if (!device || !DRIVER_GetDriverName( device, buf, 300 ))
 631     {
 632         if (!driver)
 633         {
 634             ERR( "no device found for %s\n", debugstr_w(device) );
 635             return 0;
 636         }
 637         strcpyW(buf, driver);
 638     }
 639
 640     if (!(funcs = DRIVER_load_driver( buf )))
 641     {
 642         ERR( "no driver found for %s\n", debugstr_w(buf) );
 643         return 0;
 644     }
 645     if (!(dc = alloc_dc_ptr( OBJ_DC ))) goto error;
 646     hdc = dc->hSelf;
 647
 648     dc->hBitmap = GDI_inc_ref_count( GetStockObject( DEFAULT_BITMAP ));
 649     if (!(dc->hVisRgn = CreateRectRgn( 0, 0, 1, 1 ))) goto error;
 650
 651     TRACE("(driver=%s, device=%s, output=%s): returning %p\n",
 652           debugstr_w(driver), debugstr_w(device), debugstr_w(output), dc->hSelf );
 653
 654     if (funcs->pCreateDC)
 655     {
 656         PHYSDEV physdev;
 657         if (!funcs->pCreateDC( hdc, &physdev, buf, device, output, initData ))
 658         {
 659             WARN("creation aborted by device\n" );
 660             goto error;
 661         }
 662         push_dc_driver( dc, physdev, funcs );
 663     }
 664
 665     dc->vis_rect.left   = 0;
 666     dc->vis_rect.top    = 0;
 667     dc->vis_rect.right  = GetDeviceCaps( hdc, DESKTOPHORZRES );
 668     dc->vis_rect.bottom = GetDeviceCaps( hdc, DESKTOPVERTRES );
 669     SetRectRgn(dc->hVisRgn, dc->vis_rect.left, dc->vis_rect.top, dc->vis_rect.right, dc->vis_rect.bottom);
 670
 671     DC_InitDC( dc );
 672     release_dc_ptr( dc );
 673     return hdc;
 674
 675 error:
 676     if (dc) free_dc_ptr( dc );
 677     return 0;
 678 }
 679
 680
 681 /***********************************************************************
 682  *           CreateDCA    (GDI32.@)
 683  */
 684 HDC WINAPI CreateDCA( LPCSTR driver, LPCSTR device, LPCSTR output,
 685                       const DEVMODEA *initData )
 686 {
 687     UNICODE_STRING driverW, deviceW, outputW;
 688     DEVMODEW *initDataW;
 689     HDC ret;
 690
 691     if (driver) RtlCreateUnicodeStringFromAsciiz(&driverW, driver);
 692     else driverW.Buffer = NULL;
 693
 694     if (device) RtlCreateUnicodeStringFromAsciiz(&deviceW, device);
 695     else deviceW.Buffer = NULL;
 696
 697     if (output) RtlCreateUnicodeStringFromAsciiz(&outputW, output);
 698     else outputW.Buffer = NULL;
 699
 700     initDataW = NULL;
 701     if (initData)
 702     {
 703         /* don't convert initData for DISPLAY driver, it's not used */
 704         if (!driverW.Buffer || strcmpiW( driverW.Buffer, displayW ))
 705             initDataW = GdiConvertToDevmodeW(initData);
 706     }
 707
 708     ret = CreateDCW( driverW.Buffer, deviceW.Buffer, outputW.Buffer, initDataW );
 709
 710     RtlFreeUnicodeString(&driverW);
 711     RtlFreeUnicodeString(&deviceW);
 712     RtlFreeUnicodeString(&outputW);
 713     HeapFree(GetProcessHeap(), 0, initDataW);
 714     return ret;
 715 }
 716
 717
 718 /***********************************************************************
 719  *           CreateICA    (GDI32.@)
 720  */
 721 HDC WINAPI CreateICA( LPCSTR driver, LPCSTR device, LPCSTR output,
 722                           const DEVMODEA* initData )
 723 {
 724       /* Nothing special yet for ICs */
 725     return CreateDCA( driver, device, output, initData );
 726 }
 727
 728
 729 /***********************************************************************
 730  *           CreateICW    (GDI32.@)
 731  */
 732 HDC WINAPI CreateICW( LPCWSTR driver, LPCWSTR device, LPCWSTR output,
 733                           const DEVMODEW* initData )
 734 {
 735       /* Nothing special yet for ICs */
 736     return CreateDCW( driver, device, output, initData );
 737 }
 738
 739
 740 /***********************************************************************
 741  *           CreateCompatibleDC   (GDI32.@)
 742  */
 743 HDC WINAPI CreateCompatibleDC( HDC hdc )
 744 {
 745     DC *dc, *origDC;
 746     HDC ret;
 747     const DC_FUNCTIONS *funcs = NULL;
 748     PHYSDEV physDev = NULL;
 749
 750     GDI_CheckNotLock();
 751
 752     if (hdc)
 753     {
 754         if (!(origDC = get_dc_ptr( hdc ))) return 0;
 755         if (GetObjectType( hdc ) == OBJ_DC)
 756         {
 757             physDev = origDC->physDev;
 758             funcs = physDev->funcs;
 759         }
 760         release_dc_ptr( origDC );
 761     }
 762
 763     if (!funcs && !(funcs = DRIVER_get_display_driver())) return 0;
 764
 765     if (!(dc = alloc_dc_ptr( OBJ_MEMDC ))) goto error;
 766
 767     TRACE("(%p): returning %p\n", hdc, dc->hSelf );
 768
 769     dc->hBitmap = GDI_inc_ref_count( GetStockObject( DEFAULT_BITMAP ));
 770     dc->vis_rect.left   = 0;
 771     dc->vis_rect.top    = 0;
 772     dc->vis_rect.right  = 1;
 773     dc->vis_rect.bottom = 1;
 774     if (!(dc->hVisRgn = CreateRectRgn( 0, 0, 1, 1 ))) goto error;   /* default bitmap is 1x1 */
 775
 776     ret = dc->hSelf;
 777
 778     /* Pass the driver-specific physical device info into
 779      * the new DC. The driver may use this read-only info
 780      * while creating the compatible DC. */
 781     if (funcs->pCreateDC)
 782     {
 783         if (!funcs->pCreateDC( dc->hSelf, &physDev, NULL, NULL, NULL, NULL ))
 784         {
 785             WARN("creation aborted by device\n");
 786             goto error;
 787         }
 788         push_dc_driver( dc, physDev, funcs );
 789     }
 790     DC_InitDC( dc );
 791     release_dc_ptr( dc );
 792     return ret;
 793
 794 error:
 795     if (dc) free_dc_ptr( dc );
 796     return 0;
 797 }
 798
 799
 800 /***********************************************************************
 801  *           DeleteDC    (GDI32.@)
 802  */
 803 BOOL WINAPI DeleteDC( HDC hdc )
 804 {
 805     DC * dc;
 806
 807     TRACE("%p\n", hdc );
 808
 809     GDI_CheckNotLock();
 810
 811     if (!(dc = get_dc_ptr( hdc ))) return FALSE;
 812     if (dc->refcount != 1)
 813     {
 814         FIXME( "not deleting busy DC %p refcount %u\n", dc->hSelf, dc->refcount );
 815         release_dc_ptr( dc );
 816         return FALSE;
 817     }
 818
 819     /* Call hook procedure to check whether is it OK to delete this DC */
 820     if (dc->hookProc && !dc->hookProc( hdc, DCHC_DELETEDC, dc->dwHookData, 0 ))
 821     {
 822         release_dc_ptr( dc );
 823         return TRUE;
 824     }
 825
 826     while (dc->saveLevel)
 827     {
 828         DC *dcs = dc->saved_dc;
 829         dc->saved_dc = dcs->saved_dc;
 830         dc->saveLevel--;
 831         free_dc_state( dcs );
 832     }
 833
 834     SelectObject( hdc, GetStockObject(BLACK_PEN) );
 835     SelectObject( hdc, GetStockObject(WHITE_BRUSH) );
 836     SelectObject( hdc, GetStockObject(SYSTEM_FONT) );
 837     SelectObject( hdc, GetStockObject(DEFAULT_BITMAP) );
 838
 839     free_dc_ptr( dc );
 840     return TRUE;
 841 }
 842
 843
 844 /***********************************************************************
 845  *           ResetDCW    (GDI32.@)
 846  */
 847 HDC WINAPI ResetDCW( HDC hdc, const DEVMODEW *devmode )
 848 {
 849     DC *dc;
 850     HDC ret = 0;
 851
 852     if ((dc = get_dc_ptr( hdc )))
 853     {
 854         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pResetDC );
 855         ret = physdev->funcs->pResetDC( physdev, devmode );
 856         if (ret)  /* reset the visible region */
 857         {
 858             dc->dirty = 0;
 859             dc->vis_rect.left   = 0;
 860             dc->vis_rect.top    = 0;
 861             dc->vis_rect.right  = GetDeviceCaps( hdc, DESKTOPHORZRES );
 862             dc->vis_rect.bottom = GetDeviceCaps( hdc, DESKTOPVERTRES );
 863             SetRectRgn( dc->hVisRgn, dc->vis_rect.left, dc->vis_rect.top,
 864                         dc->vis_rect.right, dc->vis_rect.bottom );
 865             CLIPPING_UpdateGCRegion( dc );
 866         }
 867         release_dc_ptr( dc );
 868     }
 869     return ret;
 870 }
 871
 872
 873 /***********************************************************************
 874  *           ResetDCA    (GDI32.@)
 875  */
 876 HDC WINAPI ResetDCA( HDC hdc, const DEVMODEA *devmode )
 877 {
 878     DEVMODEW *devmodeW;
 879     HDC ret;
 880
 881     if (devmode) devmodeW = GdiConvertToDevmodeW(devmode);
 882     else devmodeW = NULL;
 883
 884     ret = ResetDCW(hdc, devmodeW);
 885
 886     HeapFree(GetProcessHeap(), 0, devmodeW);
 887     return ret;
 888 }
 889
 890
 891 /***********************************************************************
 892  *           GetDeviceCaps    (GDI32.@)
 893  */
 894 INT WINAPI GetDeviceCaps( HDC hdc, INT cap )
 895 {
 896     DC *dc;
 897     INT ret = 0;
 898
 899     if ((dc = get_dc_ptr( hdc )))
 900     {
 901         if (dc->funcs->pGetDeviceCaps) ret = dc->funcs->pGetDeviceCaps( dc->physDev, cap );
 902         else switch(cap)  /* return meaningful values for some entries */
 903         {
 904         case HORZRES:     ret = 640; break;
 905         case VERTRES:     ret = 480; break;
 906         case BITSPIXEL:   ret = 1; break;
 907         case PLANES:      ret = 1; break;
 908         case NUMCOLORS:   ret = 2; break;
 909         case ASPECTX:     ret = 36; break;
 910         case ASPECTY:     ret = 36; break;
 911         case ASPECTXY:    ret = 51; break;
 912         case LOGPIXELSX:  ret = 72; break;
 913         case LOGPIXELSY:  ret = 72; break;
 914         case SIZEPALETTE: ret = 2; break;
 915         case TEXTCAPS:
 916             ret = (TC_OP_CHARACTER | TC_OP_STROKE | TC_CP_STROKE |
 917                    TC_CR_ANY | TC_SF_X_YINDEP | TC_SA_DOUBLE | TC_SA_INTEGER |
 918                    TC_SA_CONTIN | TC_UA_ABLE | TC_SO_ABLE | TC_RA_ABLE | TC_VA_ABLE);
 919             break;
 920         }
 921         release_dc_ptr( dc );
 922     }
 923     return ret;
 924 }
 925
 926
 927 /***********************************************************************
 928  *              GetBkColor (GDI32.@)
 929  */
 930 COLORREF WINAPI GetBkColor( HDC hdc )
 931 {
 932     COLORREF ret = 0;
 933     DC * dc = get_dc_ptr( hdc );
 934     if (dc)
 935     {
 936         ret = dc->backgroundColor;
 937         release_dc_ptr( dc );
 938     }
 939     return ret;
 940 }
 941
 942
 943 /***********************************************************************
 944  *           SetBkColor    (GDI32.@)
 945  */
 946 COLORREF WINAPI SetBkColor( HDC hdc, COLORREF color )
 947 {
 948     COLORREF ret = CLR_INVALID;
 949     DC * dc = get_dc_ptr( hdc );
 950
 951     TRACE("hdc=%p color=0x%08x\n", hdc, color);
 952
 953     if (dc)
 954     {
 955         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetBkColor );
 956         color = physdev->funcs->pSetBkColor( physdev, color );
 957         if (color != CLR_INVALID)
 958         {
 959             ret = dc->backgroundColor;
 960             dc->backgroundColor = color;
 961         }
 962         release_dc_ptr( dc );
 963     }
 964     return ret;
 965 }
 966
 967
 968 /***********************************************************************
 969  *              GetTextColor (GDI32.@)
 970  */
 971 COLORREF WINAPI GetTextColor( HDC hdc )
 972 {
 973     COLORREF ret = 0;
 974     DC * dc = get_dc_ptr( hdc );
 975     if (dc)
 976     {
 977         ret = dc->textColor;
 978         release_dc_ptr( dc );
 979     }
 980     return ret;
 981 }
 982
 983
 984 /***********************************************************************
 985  *           SetTextColor    (GDI32.@)
 986  */
 987 COLORREF WINAPI SetTextColor( HDC hdc, COLORREF color )
 988 {
 989     COLORREF ret = CLR_INVALID;
 990     DC * dc = get_dc_ptr( hdc );
 991
 992     TRACE(" hdc=%p color=0x%08x\n", hdc, color);
 993
 994     if (dc)
 995     {
 996         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetTextColor );
 997         color = physdev->funcs->pSetTextColor( physdev, color );
 998         if (color != CLR_INVALID)
 999         {
1000             ret = dc->textColor;
1001             dc->textColor = color;
1002         }
1003         release_dc_ptr( dc );
1004     }
1005     return ret;
1006 }
1007
1008
1009 /***********************************************************************
1010  *              GetTextAlign (GDI32.@)
1011  */
1012 UINT WINAPI GetTextAlign( HDC hdc )
1013 {
1014     UINT ret = 0;
1015     DC * dc = get_dc_ptr( hdc );
1016     if (dc)
1017     {
1018         ret = dc->textAlign;
1019         release_dc_ptr( dc );
1020     }
1021     return ret;
1022 }
1023
1024
1025 /***********************************************************************
1026  *           SetTextAlign    (GDI32.@)
1027  */
1028 UINT WINAPI SetTextAlign( HDC hdc, UINT align )
1029 {
1030     UINT ret = GDI_ERROR;
1031     DC *dc = get_dc_ptr( hdc );
1032
1033     TRACE("hdc=%p align=%d\n", hdc, align);
1034
1035     if (dc)
1036     {
1037         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetTextAlign );
1038         align = physdev->funcs->pSetTextAlign( physdev, align );
1039         if (align != GDI_ERROR)
1040         {
1041             ret = dc->textAlign;
1042             dc->textAlign = align;
1043         }
1044         release_dc_ptr( dc );
1045     }
1046     return ret;
1047 }
1048
1049 /***********************************************************************
1050  *           GetDCOrgEx  (GDI32.@)
1051  */
1052 BOOL WINAPI GetDCOrgEx( HDC hDC, LPPOINT lpp )
1053 {
1054     DC * dc;
1055
1056     if (!lpp) return FALSE;
1057     if (!(dc = get_dc_ptr( hDC ))) return FALSE;
1058     lpp->x = dc->vis_rect.left;
1059     lpp->y = dc->vis_rect.top;
1060     release_dc_ptr( dc );
1061     return TRUE;
1062 }
1063
1064
1065 /***********************************************************************
1066  *              GetGraphicsMode (GDI32.@)
1067  */
1068 INT WINAPI GetGraphicsMode( HDC hdc )
1069 {
1070     INT ret = 0;
1071     DC * dc = get_dc_ptr( hdc );
1072     if (dc)
1073     {
1074         ret = dc->GraphicsMode;
1075         release_dc_ptr( dc );
1076     }
1077     return ret;
1078 }
1079
1080
1081 /***********************************************************************
1082  *           SetGraphicsMode    (GDI32.@)
1083  */
1084 INT WINAPI SetGraphicsMode( HDC hdc, INT mode )
1085 {
1086     INT ret = 0;
1087     DC *dc = get_dc_ptr( hdc );
1088
1089     /* One would think that setting the graphics mode to GM_COMPATIBLE
1090      * would also reset the world transformation matrix to the unity
1091      * matrix. However, in Windows, this is not the case. This doesn't
1092      * make a lot of sense to me, but that's the way it is.
1093      */
1094     if (!dc) return 0;
1095     if ((mode > 0) && (mode <= GM_LAST))
1096     {
1097         ret = dc->GraphicsMode;
1098         dc->GraphicsMode = mode;
1099     }
1100     release_dc_ptr( dc );
1101     return ret;
1102 }
1103
1104
1105 /***********************************************************************
1106  *              GetArcDirection (GDI32.@)
1107  */
1108 INT WINAPI GetArcDirection( HDC hdc )
1109 {
1110     INT ret = 0;
1111     DC * dc = get_dc_ptr( hdc );
1112     if (dc)
1113     {
1114         ret = dc->ArcDirection;
1115         release_dc_ptr( dc );
1116     }
1117     return ret;
1118 }
1119
1120
1121 /***********************************************************************
1122  *           SetArcDirection    (GDI32.@)
1123  */
1124 INT WINAPI SetArcDirection( HDC hdc, INT dir )
1125 {
1126     DC * dc;
1127     INT ret = 0;
1128
1129     if (dir != AD_COUNTERCLOCKWISE && dir != AD_CLOCKWISE)
1130     {
1131         SetLastError(ERROR_INVALID_PARAMETER);
1132         return 0;
1133     }
1134
1135     if ((dc = get_dc_ptr( hdc )))
1136     {
1137         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetArcDirection );
1138         dir = physdev->funcs->pSetArcDirection( physdev, dir );
1139         if (dir)
1140         {
1141             ret = dc->ArcDirection;
1142             dc->ArcDirection = dir;
1143         }
1144         release_dc_ptr( dc );
1145     }
1146     return ret;
1147 }
1148
1149
1150 /***********************************************************************
1151  *           GetWorldTransform    (GDI32.@)
1152  */
1153 BOOL WINAPI GetWorldTransform( HDC hdc, LPXFORM xform )
1154 {
1155     DC * dc;
1156     if (!xform) return FALSE;
1157     if (!(dc = get_dc_ptr( hdc ))) return FALSE;
1158     *xform = dc->xformWorld2Wnd;
1159     release_dc_ptr( dc );
1160     return TRUE;
1161 }
1162
1163
1164 /***********************************************************************
1165  *           GetTransform    (GDI32.@)
1166  *
1167  * Undocumented
1168  *
1169  * Returns one of the co-ordinate space transforms
1170  *
1171  * PARAMS
1172  *    hdc   [I] Device context.
1173  *    which [I] Which xform to return:
1174  *                  0x203 World -> Page transform (that set by SetWorldTransform).
1175  *                  0x304 Page -> Device transform (the mapping mode transform).
1176  *                  0x204 World -> Device transform (the combination of the above two).
1177  *                  0x402 Device -> World transform (the inversion of the above).
1178  *    xform [O] The xform.
1179  *
1180  */
1181 BOOL WINAPI GetTransform( HDC hdc, DWORD which, XFORM *xform )
1182 {
1183     BOOL ret = TRUE;
1184     DC *dc = get_dc_ptr( hdc );
1185     if (!dc) return FALSE;
1186
1187     switch(which)
1188     {
1189     case 0x203:
1190         *xform = dc->xformWorld2Wnd;
1191         break;
1192
1193     case 0x304:
1194         construct_window_to_viewport(dc, xform);
1195         break;
1196
1197     case 0x204:
1198         *xform = dc->xformWorld2Vport;
1199         break;
1200
1201     case 0x402:
1202         *xform = dc->xformVport2World;
1203         break;
1204
1205     default:
1206         FIXME("Unknown code %x\n", which);
1207         ret = FALSE;
1208     }
1209
1210     release_dc_ptr( dc );
1211     return ret;
1212 }
1213
1214
1215 /****************************************************************************
1216  * CombineTransform [GDI32.@]
1217  * Combines two transformation matrices.
1218  *
1219  * PARAMS
1220  *    xformResult [O] Stores the result of combining the two matrices
1221  *    xform1      [I] Specifies the first matrix to apply
1222  *    xform2      [I] Specifies the second matrix to apply
1223  *
1224  * REMARKS
1225  *    The same matrix can be passed in for more than one of the parameters.
1226  *
1227  * RETURNS
1228  *  Success: TRUE.
1229  *  Failure: FALSE. Use GetLastError() to determine the cause.
1230  */
1231 BOOL WINAPI CombineTransform( LPXFORM xformResult, const XFORM *xform1,
1232     const XFORM *xform2 )
1233 {
1234     XFORM xformTemp;
1235
1236     /* Check for illegal parameters */
1237     if (!xformResult || !xform1 || !xform2)
1238         return FALSE;
1239
1240     /* Create the result in a temporary XFORM, since xformResult may be
1241      * equal to xform1 or xform2 */
1242     xformTemp.eM11 = xform1->eM11 * xform2->eM11 +
1243                      xform1->eM12 * xform2->eM21;
1244     xformTemp.eM12 = xform1->eM11 * xform2->eM12 +
1245                      xform1->eM12 * xform2->eM22;
1246     xformTemp.eM21 = xform1->eM21 * xform2->eM11 +
1247                      xform1->eM22 * xform2->eM21;
1248     xformTemp.eM22 = xform1->eM21 * xform2->eM12 +
1249                      xform1->eM22 * xform2->eM22;
1250     xformTemp.eDx  = xform1->eDx  * xform2->eM11 +
1251                      xform1->eDy  * xform2->eM21 +
1252                      xform2->eDx;
1253     xformTemp.eDy  = xform1->eDx  * xform2->eM12 +
1254                      xform1->eDy  * xform2->eM22 +
1255                      xform2->eDy;
1256
1257     /* Copy the result to xformResult */
1258     *xformResult = xformTemp;
1259
1260     return TRUE;
1261 }
1262
1263
1264 /***********************************************************************
1265  *           SetDCHook   (GDI32.@)
1266  *
1267  * Note: this doesn't exist in Win32, we add it here because user32 needs it.
1268  */
1269 BOOL WINAPI SetDCHook( HDC hdc, DCHOOKPROC hookProc, DWORD_PTR dwHookData )
1270 {
1271     DC *dc = get_dc_ptr( hdc );
1272
1273     if (!dc) return FALSE;
1274
1275     dc->dwHookData = dwHookData;
1276     dc->hookProc = hookProc;
1277     release_dc_ptr( dc );
1278     return TRUE;
1279 }
1280
1281
1282 /***********************************************************************
1283  *           GetDCHook   (GDI32.@)
1284  *
1285  * Note: this doesn't exist in Win32, we add it here because user32 needs it.
1286  */
1287 DWORD_PTR WINAPI GetDCHook( HDC hdc, DCHOOKPROC *proc )
1288 {
1289     DC *dc = get_dc_ptr( hdc );
1290     DWORD_PTR ret;
1291
1292     if (!dc) return 0;
1293     if (proc) *proc = dc->hookProc;
1294     ret = dc->dwHookData;
1295     release_dc_ptr( dc );
1296     return ret;
1297 }
1298
1299
1300 /***********************************************************************
1301  *           SetHookFlags   (GDI32.@)
1302  *
1303  * Note: this doesn't exist in Win32, we add it here because user32 needs it.
1304  */
1305 WORD WINAPI SetHookFlags( HDC hdc, WORD flags )
1306 {
1307     DC *dc = get_dc_obj( hdc );  /* not get_dc_ptr, this needs to work from any thread */
1308     LONG ret = 0;
1309
1310     if (!dc) return 0;
1311
1312     /* "Undocumented Windows" info is slightly confusing. */
1313
1314     TRACE("hDC %p, flags %04x\n",hdc,flags);
1315
1316     if (flags & DCHF_INVALIDATEVISRGN)
1317         ret = InterlockedExchange( &dc->dirty, 1 );
1318     else if (flags & DCHF_VALIDATEVISRGN || !flags)
1319         ret = InterlockedExchange( &dc->dirty, 0 );
1320
1321     GDI_ReleaseObj( hdc );
1322     return ret;
1323 }
1324
1325 /***********************************************************************
1326  *           SetICMMode    (GDI32.@)
1327  */
1328 INT WINAPI SetICMMode(HDC hdc, INT iEnableICM)
1329 {
1330 /*FIXME:  Assume that ICM is always off, and cannot be turned on */
1331     if (iEnableICM == ICM_OFF) return ICM_OFF;
1332     if (iEnableICM == ICM_ON) return 0;
1333     if (iEnableICM == ICM_QUERY) return ICM_OFF;
1334     return 0;
1335 }
1336
1337 /***********************************************************************
1338  *           GetDeviceGammaRamp    (GDI32.@)
1339  */
1340 BOOL WINAPI GetDeviceGammaRamp(HDC hDC, LPVOID ptr)
1341 {
1342     BOOL ret = FALSE;
1343     DC *dc = get_dc_ptr( hDC );
1344
1345     if( dc )
1346     {
1347         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pGetDeviceGammaRamp );
1348         ret = physdev->funcs->pGetDeviceGammaRamp( physdev, ptr );
1349         release_dc_ptr( dc );
1350     }
1351     return ret;
1352 }
1353
1354 /***********************************************************************
1355  *           SetDeviceGammaRamp    (GDI32.@)
1356  */
1357 BOOL WINAPI SetDeviceGammaRamp(HDC hDC, LPVOID ptr)
1358 {
1359     BOOL ret = FALSE;
1360     DC *dc = get_dc_ptr( hDC );
1361
1362     if( dc )
1363     {
1364         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetDeviceGammaRamp );
1365         ret = physdev->funcs->pSetDeviceGammaRamp( physdev, ptr );
1366         release_dc_ptr( dc );
1367     }
1368     return ret;
1369 }
1370
1371 /***********************************************************************
1372  *           GetColorSpace    (GDI32.@)
1373  */
1374 HCOLORSPACE WINAPI GetColorSpace(HDC hdc)
1375 {
1376 /*FIXME    Need to to whatever GetColorSpace actually does */
1377     return 0;
1378 }
1379
1380 /***********************************************************************
1381  *           CreateColorSpaceA    (GDI32.@)
1382  */
1383 HCOLORSPACE WINAPI CreateColorSpaceA( LPLOGCOLORSPACEA lpLogColorSpace )
1384 {
1385   FIXME( "stub\n" );
1386   return 0;
1387 }
1388
1389 /***********************************************************************
1390  *           CreateColorSpaceW    (GDI32.@)
1391  */
1392 HCOLORSPACE WINAPI CreateColorSpaceW( LPLOGCOLORSPACEW lpLogColorSpace )
1393 {
1394   FIXME( "stub\n" );
1395   return 0;
1396 }
1397
1398 /***********************************************************************
1399  *           DeleteColorSpace     (GDI32.@)
1400  */
1401 BOOL WINAPI DeleteColorSpace( HCOLORSPACE hColorSpace )
1402 {
1403   FIXME( "stub\n" );
1404
1405   return TRUE;
1406 }
1407
1408 /***********************************************************************
1409  *           SetColorSpace     (GDI32.@)
1410  */
1411 HCOLORSPACE WINAPI SetColorSpace( HDC hDC, HCOLORSPACE hColorSpace )
1412 {
1413   FIXME( "stub\n" );
1414
1415   return hColorSpace;
1416 }
1417
1418 /***********************************************************************
1419  *           GetBoundsRect    (GDI32.@)
1420  */
1421 UINT WINAPI GetBoundsRect(HDC hdc, LPRECT rect, UINT flags)
1422 {
1423     UINT ret;
1424     DC *dc = get_dc_ptr( hdc );
1425
1426     if ( !dc ) return 0;
1427
1428     if (rect)
1429     {
1430         *rect = dc->BoundsRect;
1431         ret = ((dc->flags & DC_BOUNDS_SET) ? DCB_SET : DCB_RESET);
1432     }
1433     else
1434         ret = 0;
1435
1436     if (flags & DCB_RESET)
1437     {
1438         dc->BoundsRect.left   = 0;
1439         dc->BoundsRect.top    = 0;
1440         dc->BoundsRect.right  = 0;
1441         dc->BoundsRect.bottom = 0;
1442         dc->flags &= ~DC_BOUNDS_SET;
1443     }
1444     release_dc_ptr( dc );
1445     return ret;
1446 }
1447
1448
1449 /***********************************************************************
1450  *           SetBoundsRect    (GDI32.@)
1451  */
1452 UINT WINAPI SetBoundsRect(HDC hdc, const RECT* rect, UINT flags)
1453 {
1454     UINT ret;
1455     DC *dc;
1456
1457     if ((flags & DCB_ENABLE) && (flags & DCB_DISABLE)) return 0;
1458     if (!(dc = get_dc_ptr( hdc ))) return 0;
1459
1460     ret = ((dc->flags & DC_BOUNDS_ENABLE) ? DCB_ENABLE : DCB_DISABLE) |
1461           ((dc->flags & DC_BOUNDS_SET) ? DCB_SET : DCB_RESET);
1462
1463     if (flags & DCB_RESET)
1464     {
1465         dc->BoundsRect.left   = 0;
1466         dc->BoundsRect.top    = 0;
1467         dc->BoundsRect.right  = 0;
1468         dc->BoundsRect.bottom = 0;
1469         dc->flags &= ~DC_BOUNDS_SET;
1470     }
1471
1472     if ((flags & DCB_ACCUMULATE) && rect && rect->left < rect->right && rect->top < rect->bottom)
1473     {
1474         if (dc->flags & DC_BOUNDS_SET)
1475         {
1476             dc->BoundsRect.left   = min( dc->BoundsRect.left, rect->left );
1477             dc->BoundsRect.top    = min( dc->BoundsRect.top, rect->top );
1478             dc->BoundsRect.right  = max( dc->BoundsRect.right, rect->right );
1479             dc->BoundsRect.bottom = max( dc->BoundsRect.bottom, rect->bottom );
1480         }
1481         else
1482         {
1483             dc->BoundsRect = *rect;
1484             dc->flags |= DC_BOUNDS_SET;
1485         }
1486     }
1487
1488     if (flags & DCB_ENABLE) dc->flags |= DC_BOUNDS_ENABLE;
1489     if (flags & DCB_DISABLE) dc->flags &= ~DC_BOUNDS_ENABLE;
1490
1491     release_dc_ptr( dc );
1492     return ret;
1493 }
1494
1495
1496 /***********************************************************************
1497  *              GetRelAbs               (GDI32.@)
1498  */
1499 INT WINAPI GetRelAbs( HDC hdc, DWORD dwIgnore )
1500 {
1501     INT ret = 0;
1502     DC *dc = get_dc_ptr( hdc );
1503     if (dc)
1504     {
1505         ret = dc->relAbsMode;
1506         release_dc_ptr( dc );
1507     }
1508     return ret;
1509 }
1510
1511
1512
1513
1514 /***********************************************************************
1515  *              GetBkMode (GDI32.@)
1516  */
1517 INT WINAPI GetBkMode( HDC hdc )
1518 {
1519     INT ret = 0;
1520     DC * dc = get_dc_ptr( hdc );
1521     if (dc)
1522     {
1523         ret = dc->backgroundMode;
1524         release_dc_ptr( dc );
1525     }
1526     return ret;
1527 }
1528
1529
1530 /***********************************************************************
1531  *              SetBkMode (GDI32.@)
1532  */
1533 INT WINAPI SetBkMode( HDC hdc, INT mode )
1534 {
1535     INT ret = 0;
1536     DC *dc;
1537
1538     if ((mode <= 0) || (mode > BKMODE_LAST))
1539     {
1540         SetLastError(ERROR_INVALID_PARAMETER);
1541         return 0;
1542     }
1543     if ((dc = get_dc_ptr( hdc )))
1544     {
1545         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetBkMode );
1546         mode = physdev->funcs->pSetBkMode( physdev, mode );
1547         if (mode)
1548         {
1549             ret = dc->backgroundMode;
1550             dc->backgroundMode = mode;
1551         }
1552         release_dc_ptr( dc );
1553     }
1554     return ret;
1555 }
1556
1557
1558 /***********************************************************************
1559  *              GetROP2 (GDI32.@)
1560  */
1561 INT WINAPI GetROP2( HDC hdc )
1562 {
1563     INT ret = 0;
1564     DC * dc = get_dc_ptr( hdc );
1565     if (dc)
1566     {
1567         ret = dc->ROPmode;
1568         release_dc_ptr( dc );
1569     }
1570     return ret;
1571 }
1572
1573
1574 /***********************************************************************
1575  *              SetROP2 (GDI32.@)
1576  */
1577 INT WINAPI SetROP2( HDC hdc, INT mode )
1578 {
1579     INT ret = 0;
1580     DC *dc;
1581
1582     if ((mode < R2_BLACK) || (mode > R2_WHITE))
1583     {
1584         SetLastError(ERROR_INVALID_PARAMETER);
1585         return 0;
1586     }
1587     if ((dc = get_dc_ptr( hdc )))
1588     {
1589         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetROP2 );
1590         mode = physdev->funcs->pSetROP2( physdev, mode );
1591         if (mode)
1592         {
1593             ret = dc->ROPmode;
1594             dc->ROPmode = mode;
1595         }
1596         release_dc_ptr( dc );
1597     }
1598     return ret;
1599 }
1600
1601
1602 /***********************************************************************
1603  *              SetRelAbs (GDI32.@)
1604  */
1605 INT WINAPI SetRelAbs( HDC hdc, INT mode )
1606 {
1607     INT ret = 0;
1608     DC *dc;
1609
1610     if ((mode != ABSOLUTE) && (mode != RELATIVE))
1611     {
1612         SetLastError(ERROR_INVALID_PARAMETER);
1613         return 0;
1614     }
1615     if ((dc = get_dc_ptr( hdc )))
1616     {
1617         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetRelAbs );
1618         mode = physdev->funcs->pSetRelAbs( physdev, mode );
1619         if (mode)
1620         {
1621             ret = dc->relAbsMode;
1622             dc->relAbsMode = mode;
1623         }
1624         release_dc_ptr( dc );
1625     }
1626     return ret;
1627 }
1628
1629
1630 /***********************************************************************
1631  *              GetPolyFillMode (GDI32.@)
1632  */
1633 INT WINAPI GetPolyFillMode( HDC hdc )
1634 {
1635     INT ret = 0;
1636     DC * dc = get_dc_ptr( hdc );
1637     if (dc)
1638     {
1639         ret = dc->polyFillMode;
1640         release_dc_ptr( dc );
1641     }
1642     return ret;
1643 }
1644
1645
1646 /***********************************************************************
1647  *              SetPolyFillMode (GDI32.@)
1648  */
1649 INT WINAPI SetPolyFillMode( HDC hdc, INT mode )
1650 {
1651     INT ret = 0;
1652     DC *dc;
1653
1654     if ((mode <= 0) || (mode > POLYFILL_LAST))
1655     {
1656         SetLastError(ERROR_INVALID_PARAMETER);
1657         return 0;
1658     }
1659     if ((dc = get_dc_ptr( hdc )))
1660     {
1661         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetPolyFillMode );
1662         mode = physdev->funcs->pSetPolyFillMode( physdev, mode );
1663         if (mode)
1664         {
1665             ret = dc->polyFillMode;
1666             dc->polyFillMode = mode;
1667         }
1668         release_dc_ptr( dc );
1669     }
1670     return ret;
1671 }
1672
1673
1674 /***********************************************************************
1675  *              GetStretchBltMode (GDI32.@)
1676  */
1677 INT WINAPI GetStretchBltMode( HDC hdc )
1678 {
1679     INT ret = 0;
1680     DC * dc = get_dc_ptr( hdc );
1681     if (dc)
1682     {
1683         ret = dc->stretchBltMode;
1684         release_dc_ptr( dc );
1685     }
1686     return ret;
1687 }
1688
1689
1690 /***********************************************************************
1691  *              SetStretchBltMode (GDI32.@)
1692  */
1693 INT WINAPI SetStretchBltMode( HDC hdc, INT mode )
1694 {
1695     INT ret = 0;
1696     DC *dc;
1697
1698     if ((mode <= 0) || (mode > MAXSTRETCHBLTMODE))
1699     {
1700         SetLastError(ERROR_INVALID_PARAMETER);
1701         return 0;
1702     }
1703     if ((dc = get_dc_ptr( hdc )))
1704     {
1705         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetStretchBltMode );
1706         mode = physdev->funcs->pSetStretchBltMode( physdev, mode );
1707         if (mode)
1708         {
1709             ret = dc->stretchBltMode;
1710             dc->stretchBltMode = mode;
1711         }
1712         release_dc_ptr( dc );
1713     }
1714     return ret;
1715 }
1716
1717
1718 /***********************************************************************
1719  *              GetMapMode (GDI32.@)
1720  */
1721 INT WINAPI GetMapMode( HDC hdc )
1722 {
1723     INT ret = 0;
1724     DC * dc = get_dc_ptr( hdc );
1725     if (dc)
1726     {
1727         ret = dc->MapMode;
1728         release_dc_ptr( dc );
1729     }
1730     return ret;
1731 }
1732
1733
1734 /***********************************************************************
1735  *              GetBrushOrgEx (GDI32.@)
1736  */
1737 BOOL WINAPI GetBrushOrgEx( HDC hdc, LPPOINT pt )
1738 {
1739     DC * dc = get_dc_ptr( hdc );
1740     if (!dc) return FALSE;
1741     pt->x = dc->brushOrgX;
1742     pt->y = dc->brushOrgY;
1743     release_dc_ptr( dc );
1744     return TRUE;
1745 }
1746
1747
1748 /***********************************************************************
1749  *              GetCurrentPositionEx (GDI32.@)
1750  */
1751 BOOL WINAPI GetCurrentPositionEx( HDC hdc, LPPOINT pt )
1752 {
1753     DC * dc = get_dc_ptr( hdc );
1754     if (!dc) return FALSE;
1755     pt->x = dc->CursPosX;
1756     pt->y = dc->CursPosY;
1757     release_dc_ptr( dc );
1758     return TRUE;
1759 }
1760
1761
1762 /***********************************************************************
1763  *              GetViewportExtEx (GDI32.@)
1764  */
1765 BOOL WINAPI GetViewportExtEx( HDC hdc, LPSIZE size )
1766 {
1767     DC * dc = get_dc_ptr( hdc );
1768     if (!dc) return FALSE;
1769     size->cx = dc->vportExtX;
1770     size->cy = dc->vportExtY;
1771     release_dc_ptr( dc );
1772     return TRUE;
1773 }
1774
1775
1776 /***********************************************************************
1777  *              GetViewportOrgEx (GDI32.@)
1778  */
1779 BOOL WINAPI GetViewportOrgEx( HDC hdc, LPPOINT pt )
1780 {
1781     DC * dc = get_dc_ptr( hdc );
1782     if (!dc) return FALSE;
1783     pt->x = dc->vportOrgX;
1784     pt->y = dc->vportOrgY;
1785     release_dc_ptr( dc );
1786     return TRUE;
1787 }
1788
1789
1790 /***********************************************************************
1791  *              GetWindowExtEx (GDI32.@)
1792  */
1793 BOOL WINAPI GetWindowExtEx( HDC hdc, LPSIZE size )
1794 {
1795     DC * dc = get_dc_ptr( hdc );
1796     if (!dc) return FALSE;
1797     size->cx = dc->wndExtX;
1798     size->cy = dc->wndExtY;
1799     release_dc_ptr( dc );
1800     return TRUE;
1801 }
1802
1803
1804 /***********************************************************************
1805  *              GetWindowOrgEx (GDI32.@)
1806  */
1807 BOOL WINAPI GetWindowOrgEx( HDC hdc, LPPOINT pt )
1808 {
1809     DC * dc = get_dc_ptr( hdc );
1810     if (!dc) return FALSE;
1811     pt->x = dc->wndOrgX;
1812     pt->y = dc->wndOrgY;
1813     release_dc_ptr( dc );
1814     return TRUE;
1815 }
1816
1817
1818 /***********************************************************************
1819  *           GetLayout    (GDI32.@)
1820  *
1821  * Gets left->right or right->left text layout flags of a dc.
1822  *
1823  */
1824 DWORD WINAPI GetLayout(HDC hdc)
1825 {
1826     DWORD layout = GDI_ERROR;
1827
1828     DC * dc = get_dc_ptr( hdc );
1829     if (dc)
1830     {
1831         layout = dc->layout;
1832         release_dc_ptr( dc );
1833     }
1834
1835     TRACE("hdc : %p, layout : %08x\n", hdc, layout);
1836
1837     return layout;
1838 }
1839
1840 /***********************************************************************
1841  *           SetLayout    (GDI32.@)
1842  *
1843  * Sets left->right or right->left text layout flags of a dc.
1844  *
1845  */
1846 DWORD WINAPI SetLayout(HDC hdc, DWORD layout)
1847 {
1848     DWORD oldlayout = GDI_ERROR;
1849
1850     DC * dc = get_dc_ptr( hdc );
1851     if (dc)
1852     {
1853         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetLayout );
1854         layout = physdev->funcs->pSetLayout( physdev, layout );
1855         if (layout != GDI_ERROR)
1856         {
1857             oldlayout = dc->layout;
1858             dc->layout = layout;
1859             if (layout != oldlayout)
1860             {
1861                 if (layout & LAYOUT_RTL) dc->MapMode = MM_ANISOTROPIC;
1862                 DC_UpdateXforms( dc );
1863             }
1864         }
1865         release_dc_ptr( dc );
1866     }
1867
1868     TRACE("hdc : %p, old layout : %08x, new layout : %08x\n", hdc, oldlayout, layout);
1869
1870     return oldlayout;
1871 }
1872
1873 /***********************************************************************
1874  *           GetDCBrushColor    (GDI32.@)
1875  */
1876 COLORREF WINAPI GetDCBrushColor(HDC hdc)
1877 {
1878     DC *dc;
1879     COLORREF dcBrushColor = CLR_INVALID;
1880
1881     TRACE("hdc(%p)\n", hdc);
1882
1883     dc = get_dc_ptr( hdc );
1884     if (dc)
1885     {
1886         dcBrushColor = dc->dcBrushColor;
1887         release_dc_ptr( dc );
1888     }
1889
1890     return dcBrushColor;
1891 }
1892
1893 /***********************************************************************
1894  *           SetDCBrushColor    (GDI32.@)
1895  */
1896 COLORREF WINAPI SetDCBrushColor(HDC hdc, COLORREF crColor)
1897 {
1898     DC *dc;
1899     COLORREF oldClr = CLR_INVALID;
1900
1901     TRACE("hdc(%p) crColor(%08x)\n", hdc, crColor);
1902
1903     dc = get_dc_ptr( hdc );
1904     if (dc)
1905     {
1906         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetDCBrushColor );
1907         crColor = physdev->funcs->pSetDCBrushColor( physdev, crColor );
1908         if (crColor != CLR_INVALID)
1909         {
1910             oldClr = dc->dcBrushColor;
1911             dc->dcBrushColor = crColor;
1912         }
1913         release_dc_ptr( dc );
1914     }
1915
1916     return oldClr;
1917 }
1918
1919 /***********************************************************************
1920  *           GetDCPenColor    (GDI32.@)
1921  */
1922 COLORREF WINAPI GetDCPenColor(HDC hdc)
1923 {
1924     DC *dc;
1925     COLORREF dcPenColor = CLR_INVALID;
1926
1927     TRACE("hdc(%p)\n", hdc);
1928
1929     dc = get_dc_ptr( hdc );
1930     if (dc)
1931     {
1932         dcPenColor = dc->dcPenColor;
1933         release_dc_ptr( dc );
1934     }
1935
1936     return dcPenColor;
1937 }
1938
1939 /***********************************************************************
1940  *           SetDCPenColor    (GDI32.@)
1941  */
1942 COLORREF WINAPI SetDCPenColor(HDC hdc, COLORREF crColor)
1943 {
1944     DC *dc;
1945     COLORREF oldClr = CLR_INVALID;
1946
1947     TRACE("hdc(%p) crColor(%08x)\n", hdc, crColor);
1948
1949     dc = get_dc_ptr( hdc );
1950     if (dc)
1951     {
1952         PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSetDCPenColor );
1953         crColor = physdev->funcs->pSetDCPenColor( physdev, crColor );
1954         if (crColor != CLR_INVALID)
1955         {
1956             oldClr = dc->dcPenColor;
1957             dc->dcPenColor = crColor;
1958         }
1959         release_dc_ptr( dc );
1960     }
1961
1962     return oldClr;
1963 }
1964
1965 /***********************************************************************
1966  *           CancelDC    (GDI32.@)
1967  */
1968 BOOL WINAPI CancelDC(HDC hdc)
1969 {
1970     FIXME("stub\n");
1971     return TRUE;
1972 }
1973
1974 /*******************************************************************
1975  *      GetMiterLimit [GDI32.@]
1976  *
1977  *
1978  */
1979 BOOL WINAPI GetMiterLimit(HDC hdc, PFLOAT peLimit)
1980 {
1981     BOOL bRet = FALSE;
1982     DC *dc;
1983
1984     TRACE("(%p,%p)\n", hdc, peLimit);
1985
1986     dc = get_dc_ptr( hdc );
1987     if (dc)
1988     {
1989         if (peLimit)
1990             *peLimit = dc->miterLimit;
1991
1992         release_dc_ptr( dc );
1993         bRet = TRUE;
1994     }
1995     return bRet;
1996 }
1997
1998 /*******************************************************************
1999  *      SetMiterLimit [GDI32.@]
2000  *
2001  *
2002  */
2003 BOOL WINAPI SetMiterLimit(HDC hdc, FLOAT eNewLimit, PFLOAT peOldLimit)
2004 {
2005     BOOL bRet = FALSE;
2006     DC *dc;
2007
2008     TRACE("(%p,%f,%p)\n", hdc, eNewLimit, peOldLimit);
2009
2010     dc = get_dc_ptr( hdc );
2011     if (dc)
2012     {
2013         if (peOldLimit)
2014             *peOldLimit = dc->miterLimit;
2015         dc->miterLimit = eNewLimit;
2016         release_dc_ptr( dc );
2017         bRet = TRUE;
2018     }
2019     return bRet;
2020 }
2021
2022 /*******************************************************************
2023  *      GdiIsMetaPrintDC [GDI32.@]
2024  */
2025 BOOL WINAPI GdiIsMetaPrintDC(HDC hdc)
2026 {
2027     FIXME("%p\n", hdc);
2028     return FALSE;
2029 }
2030
2031 /*******************************************************************
2032  *      GdiIsMetaFileDC [GDI32.@]
2033  */
2034 BOOL WINAPI GdiIsMetaFileDC(HDC hdc)
2035 {
2036     TRACE("%p\n", hdc);
2037
2038     switch( GetObjectType( hdc ) )
2039     {
2040     case OBJ_METADC:
2041     case OBJ_ENHMETADC:
2042         return TRUE;
2043     }
2044     return FALSE;
2045 }
2046
2047 /*******************************************************************
2048  *      GdiIsPlayMetafileDC [GDI32.@]
2049  */
2050 BOOL WINAPI GdiIsPlayMetafileDC(HDC hdc)
2051 {
2052     FIXME("%p\n", hdc);
2053     return FALSE;
2054 }